SDL: configure.in@e604fe493d45

     1 dnl Process this file with autoconf to produce a configure script.

     2 AC_INIT(README.txt)

     3 AC_CONFIG_HEADER(include/SDL_config.h)

     4 AC_CONFIG_AUX_DIR(build-scripts)

     5 AC_CONFIG_MACRO_DIR([acinclude])

     7 dnl Save the CFLAGS to see whether they were passed in or generated

     8 orig_CFLAGS="$CFLAGS"

    10 dnl Set various version strings - taken gratefully from the GTk sources

    11 #

    12 # Making releases:

    13 # Edit include/SDL_version.h and change the version, then:

    14 #   SDL_MICRO_VERSION += 1;

    15 #   SDL_INTERFACE_AGE += 1;

    16 #   SDL_BINARY_AGE += 1;

    17 # if any functions have been added, set SDL_INTERFACE_AGE to 0.

    18 # if backwards compatibility has been broken,

    19 # set SDL_BINARY_AGE and SDL_INTERFACE_AGE to 0.

    20 #

    21 SDL_MAJOR_VERSION=2

    22 SDL_MINOR_VERSION=0

    23 SDL_MICRO_VERSION=8

    24 SDL_INTERFACE_AGE=0

    25 SDL_BINARY_AGE=8

    26 SDL_VERSION=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION.$SDL_MICRO_VERSION

    28 AC_SUBST(SDL_MAJOR_VERSION)

    29 AC_SUBST(SDL_MINOR_VERSION)

    30 AC_SUBST(SDL_MICRO_VERSION)

    31 AC_SUBST(SDL_INTERFACE_AGE)

    32 AC_SUBST(SDL_BINARY_AGE)

    33 AC_SUBST(SDL_VERSION)

    35 # libtool versioning

    36 LT_INIT([win32-dll])

    38 LT_RELEASE=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION

    39 LT_CURRENT=`expr $SDL_MICRO_VERSION - $SDL_INTERFACE_AGE`

    40 LT_REVISION=$SDL_INTERFACE_AGE

    41 LT_AGE=`expr $SDL_BINARY_AGE - $SDL_INTERFACE_AGE`

    42 m4_pattern_allow([^LT_])

    44 AC_SUBST(LT_RELEASE)

    45 AC_SUBST(LT_CURRENT)

    46 AC_SUBST(LT_REVISION)

    47 AC_SUBST(LT_AGE)

    49 dnl Detect the canonical build and host environments

    50 dnl AC_CANONICAL_HOST

    52 dnl Check for tools

    53 AC_PROG_LIBTOOL

    54 AC_PROG_CC

    55 AC_PROG_CXX

    56 AC_PROG_INSTALL

    57 AC_PROG_MAKE_SET

    58 AC_CHECK_TOOL(WINDRES, [windres], [:])

    60 dnl Make sure that srcdir is a full pathname

    61 case "$host" in

    62     *-*-mingw32*)

    63         # Except on msys, where make can't handle full pathnames (bug 1972)

    64         ;;

    65     *)

    66         srcdir=`cd $srcdir && pwd`

    67         ;;

    68 esac

    70 dnl Set up the compiler and linker flags

    71 INCLUDE="-I$srcdir/include -idirafter $srcdir/src/video/khronos"

    72 if test x$srcdir != x.; then

    73     INCLUDE="-Iinclude $INCLUDE"

    74 elif test -d .hg; then

    75     AC_MSG_ERROR([

    76 *** When building from Mercurial you should configure and build in a

    77     separate directory so you don't clobber SDL_config.h, SDL_revision.h

    78 ])

    79 fi

    80 BASE_CFLAGS=""

    81 BASE_LDFLAGS=""

    82 case "$host" in

    83     *-*-cygwin*)

    84         # We build SDL on cygwin without the UNIX emulation layer

    85         save_CFLAGS="$CFLAGS"

    86         have_no_cygwin=no

    87         AC_MSG_CHECKING(for GCC -mno-cygwin option)

    88         CFLAGS="$save_CFLAGS -mno-cygwin"

    90         AC_TRY_COMPILE([

    91         ],[

    92         ],[

    93         have_no_cygwin=yes

    94         ])

    95         AC_MSG_RESULT($have_no_cygwin)

    96         CFLAGS="$save_CFLAGS"

    98         if test x$have_no_cygwin = xyes; then

    99             BASE_CFLAGS="-mno-cygwin"

   100             BASE_LDFLAGS="-mno-cygwin"

   101         fi

   102         BASE_CFLAGS="$BASE_CFLAGS -I/usr/include/mingw"

   103         ;;

   104 esac

   105 # Uncomment the following line if you want to force SDL and applications

   106 # built with it to be compiled for a particular architecture.

   107 #AX_GCC_ARCHFLAG([no], [BASE_CFLAGS="$BASE_CFLAGS $ax_cv_gcc_archflag]")

   108 BUILD_CFLAGS="$CFLAGS $CPPFLAGS -DUSING_GENERATED_CONFIG_H"

   109 # The default optimization for SDL is -O3 (Bug #31)

   110 if test "x$orig_CFLAGS" = x; then

   111     BUILD_CFLAGS=`echo $BUILD_CFLAGS | sed 's/-O2/-O3/'`

   112 fi

   113 EXTRA_CFLAGS="$INCLUDE $BASE_CFLAGS"

   114 BUILD_LDFLAGS="$LDFLAGS"

   115 EXTRA_LDFLAGS="$BASE_LDFLAGS"

   116 ## These are common directories to find software packages

   117 #for path in /usr/freeware /usr/pkg /usr/X11R6 /usr/local; do

   118 #    if test -d $path/include; then

   119 #        EXTRA_CFLAGS="$EXTRA_CFLAGS -I$path/include"

   120 #    fi

   121 #    if test -d $path/lib; then

   122 #        EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L$path/lib"

   123 #    fi

   124 #done

   125 SDL_CFLAGS="$BASE_CFLAGS"

   126 SDL_LIBS="-lSDL2"

   127 if test "x$BASE_LDFLAGS" != x; then

   128     SDL_LIBS="$SDL_LIBS $BASE_LDFLAGS"

   129 fi

   130 if test "x$EXTRA_CFLAGS" != x; then

   131     CPPFLAGS="$CPPFLAGS $EXTRA_CFLAGS"

   132     CFLAGS="$CFLAGS $EXTRA_CFLAGS"

   133 fi

   134 if test "x$EXTRA_LDFLAGS" != x; then

   135     LDFLAGS="$LDFLAGS $EXTRA_LDFLAGS"

   136 fi

   138 dnl set this to use on systems that use lib64 instead of lib

   139 base_libdir=`echo \${libdir} | sed 's/.*\/\(.*\)/\1/; q'`

   141 dnl Function to find a library in the compiler search path

   142 find_lib()

   143 {

   144     gcc_bin_path=[`$CC -print-search-dirs 2>/dev/null | fgrep programs: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]

   145     gcc_lib_path=[`$CC -print-search-dirs 2>/dev/null | fgrep libraries: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]

   146     env_lib_path=[`echo $LIBS $LDFLAGS $* | sed 's/-L[ ]*//g'`]

   147     if test "$cross_compiling" = yes; then

   148         host_lib_path=""

   149     else

   150         host_lib_path="/usr/$base_libdir /usr/local/$base_libdir"

   151     fi

   152     for path in $env_lib_path $gcc_bin_path $gcc_lib_path $host_lib_path; do

   153         lib=[`ls -- $path/$1 2>/dev/null | sed -e '/\.so\..*\./d' -e 's,.*/,,' | sort | tail -1`]

   154         if test x$lib != x; then

   155             echo $lib

   156             return

   157         fi

   158     done

   159 }

   161 dnl Check for compiler characteristics

   162 AC_C_CONST

   163 AC_C_INLINE

   164 AC_C_VOLATILE

   166 dnl See whether we want assertions for debugging/sanity checking SDL itself.

   167 AC_ARG_ENABLE(assertions,

   168 AC_HELP_STRING([--enable-assertions],

   169                [Enable internal sanity checks (auto/disabled/release/enabled/paranoid) [[default=auto]]]),

   170               , enable_assertions=auto)

   171 case "$enable_assertions" in

   172     auto) # Use optimization settings to determine assertion level

   173         ;;

   174     disabled)

   175         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 0, [ ])

   176         ;;

   177     release)

   178         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 1, [ ])

   179         ;;

   180     enabled)

   181         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 2, [ ])

   182         ;;

   183     paranoid)

   184         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 3, [ ])

   185         ;;

   186     *)

   187         AC_MSG_ERROR([*** unknown assertion level. stop.])

   188         ;;

   189 esac

   191 dnl See whether we can use gcc style dependency tracking

   192 AC_ARG_ENABLE(dependency-tracking,

   193 AC_HELP_STRING([--enable-dependency-tracking],

   194                [Use gcc -MMD -MT dependency tracking [[default=yes]]]),

   195               , enable_dependency_tracking=yes)

   196 if test x$enable_dependency_tracking = xyes; then

   197     have_gcc_mmd_mt=no

   198     AC_MSG_CHECKING(for GCC -MMD -MT option)

   199     AC_TRY_COMPILE([

   200     #if !defined(__GNUC__) || __GNUC__ < 3

   201     #error Dependency tracking requires GCC 3.0 or newer

   202     #endif

   203     ],[

   204     ],[

   205     have_gcc_mmd_mt=yes

   206     ])

   207     AC_MSG_RESULT($have_gcc_mmd_mt)

   209     if test x$have_gcc_mmd_mt = xyes; then

   210         DEPENDENCY_TRACKING_OPTIONS="-MMD -MT \$@"

   211     fi

   212 fi

   214 AC_MSG_CHECKING(for linker option --no-undefined)

   215 have_no_undefined=no

   216 case "$host" in

   217     dnl Skip this on platforms where it is just simply busted.

   218     *-*-openbsd*)

   219         ;;

   221     *)

   222         save_LDFLAGS="$LDFLAGS"

   223         LDFLAGS="$LDFLAGS -Wl,--no-undefined"

   224         AC_TRY_LINK([

   225         ],[

   226         ],[

   227         have_no_undefined=yes

   228         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,--no-undefined"

   229         ])

   230         LDFLAGS="$save_LDFLAGS"

   231         ;;

   232 esac

   233 AC_MSG_RESULT($have_no_undefined)

   235 dnl See whether we are allowed to use the system C library

   236 AC_ARG_ENABLE(libc,

   237 AC_HELP_STRING([--enable-libc], [Use the system C library [[default=yes]]]),

   238               , enable_libc=yes)

   239 if test x$enable_libc = xyes; then

   240     AC_DEFINE(HAVE_LIBC, 1, [ ])

   242     dnl Check for C library headers

   243     AC_HEADER_STDC

   244     AC_CHECK_HEADERS(sys/types.h stdio.h stdlib.h stddef.h stdarg.h malloc.h memory.h string.h strings.h wchar.h inttypes.h stdint.h limits.h ctype.h math.h float.h iconv.h signal.h)

   246     dnl Check for typedefs, structures, etc.

   247     AC_TYPE_SIZE_T

   249     dnl Check for defines

   250     AC_CHECK_DEFINE(M_PI, math.h)

   252     dnl Checks for library functions.

   253     case "$host" in

   254     *-*-cygwin* | *-*-mingw32*)

   255         ;;

   256     *)

   257         AC_FUNC_ALLOCA

   258         ;;

   259     esac

   261     AC_FUNC_MEMCMP

   262     if test x$ac_cv_func_memcmp_working = xyes; then

   263         AC_DEFINE(HAVE_MEMCMP, 1, [ ])

   264     fi

   265     AC_FUNC_STRTOD

   266     if test x$ac_cv_func_strtod = xyes; then

   267         AC_DEFINE(HAVE_STRTOD, 1, [ ])

   268     fi

   269     AC_CHECK_FUNC(mprotect,

   270         AC_TRY_COMPILE([

   271           #include <sys/types.h>

   272           #include <sys/mman.h>

   273         ],[

   274         ],[

   275         AC_DEFINE(HAVE_MPROTECT, 1, [ ])

   276         ]),

   277     )

   278     AC_CHECK_FUNCS(malloc calloc realloc free getenv setenv putenv unsetenv qsort abs bcopy memset memcpy memmove wcslen wcscmp strlen strlcpy strlcat _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp vsscanf vsnprintf fopen64 fseeko fseeko64 sigaction setjmp nanosleep sysconf sysctlbyname getauxval poll)

   280     AC_CHECK_LIB(m, pow, [LIBS="$LIBS -lm"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm"])

   281     AC_CHECK_FUNCS(acos acosf asin asinf atan atanf atan2 atan2f ceil ceilf copysign copysignf cos cosf fabs fabsf floor floorf fmod fmodf log logf log10 log10f pow powf scalbn scalbnf sin sinf sqrt sqrtf tan tanf)

   283     AC_CHECK_LIB(iconv, iconv_open, [LIBS="$LIBS -liconv"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -liconv"])

   284     AC_CHECK_FUNCS(iconv)

   286     AC_CHECK_MEMBER(struct sigaction.sa_sigaction,[AC_DEFINE([HAVE_SA_SIGACTION], 1, [ ])], ,[#include <signal.h>])

   288 	dnl Check for additional non-standard headers

   289     AC_CHECK_HEADERS(libunwind.h)

   290 fi

   292 dnl AC_CHECK_SIZEOF(void*)

   294 dnl See whether we can use gcc atomic operations on this architecture

   295 AC_ARG_ENABLE(gcc-atomics,

   296 AC_HELP_STRING([--enable-gcc-atomics],

   297                [Use gcc builtin atomics [[default=yes]]]),

   298               , enable_gcc_atomics=yes)

   299 if test x$enable_gcc_atomics = xyes; then

   300     have_gcc_atomics=no

   301     AC_MSG_CHECKING(for GCC builtin atomic operations)

   302     AC_TRY_LINK([

   303     ],[

   304     int a;

   305     void *x, *y, *z;

   306     __sync_lock_test_and_set(&a, 4);

   307     __sync_lock_test_and_set(&x, y);

   308     __sync_fetch_and_add(&a, 1);

   309     __sync_bool_compare_and_swap(&a, 5, 10);

   310     __sync_bool_compare_and_swap(&x, y, z);

   311     ],[

   312     have_gcc_atomics=yes

   313     ])

   314     AC_MSG_RESULT($have_gcc_atomics)

   316     if test x$have_gcc_atomics = xyes; then

   317         AC_DEFINE(HAVE_GCC_ATOMICS, 1, [ ])

   318     else

   319         # See if we have the minimum operation needed for GCC atomics

   320         AC_TRY_LINK([

   321         ],[

   322         int a;

   323         __sync_lock_test_and_set(&a, 1);

   324         __sync_lock_release(&a);

   325         ],[

   326         have_gcc_sync_lock_test_and_set=yes

   327         ])

   328         if test x$have_gcc_sync_lock_test_and_set = xyes; then

   329             AC_DEFINE(HAVE_GCC_SYNC_LOCK_TEST_AND_SET, 1, [ ])

   330         fi

   331     fi

   332 fi

   334 # Standard C sources

   335 SOURCES="$SOURCES $srcdir/src/*.c"

   336 SOURCES="$SOURCES $srcdir/src/atomic/*.c"

   337 SOURCES="$SOURCES $srcdir/src/audio/*.c"

   338 SOURCES="$SOURCES $srcdir/src/cpuinfo/*.c"

   339 SOURCES="$SOURCES $srcdir/src/dynapi/*.c"

   340 SOURCES="$SOURCES $srcdir/src/events/*.c"

   341 SOURCES="$SOURCES $srcdir/src/file/*.c"

   342 SOURCES="$SOURCES $srcdir/src/haptic/*.c"

   343 SOURCES="$SOURCES $srcdir/src/joystick/*.c"

   344 SOURCES="$SOURCES $srcdir/src/libm/*.c"

   345 SOURCES="$SOURCES $srcdir/src/power/*.c"

   346 #SOURCES="$SOURCES $srcdir/src/filesystem/*.c"

   347 SOURCES="$SOURCES $srcdir/src/render/*.c"

   348 SOURCES="$SOURCES $srcdir/src/render/*/*.c"

   349 SOURCES="$SOURCES $srcdir/src/stdlib/*.c"

   350 SOURCES="$SOURCES $srcdir/src/thread/*.c"

   351 SOURCES="$SOURCES $srcdir/src/timer/*.c"

   352 SOURCES="$SOURCES $srcdir/src/video/*.c"

   353 SOURCES="$SOURCES $srcdir/src/video/yuv2rgb/*.c"

   355 dnl Enable/disable various subsystems of the SDL library

   357 AC_ARG_ENABLE(atomic,

   358 AC_HELP_STRING([--enable-atomic], [Enable the atomic operations subsystem [[default=yes]]]),

   359               , enable_atomic=yes)

   360 if test x$enable_atomic != xyes; then

   361     AC_DEFINE(SDL_ATOMIC_DISABLED, 1, [ ])

   362 else

   363     SUMMARY_modules="${SUMMARY_modules} atomic"

   364 fi

   365 AC_ARG_ENABLE(audio,

   366 AC_HELP_STRING([--enable-audio], [Enable the audio subsystem [[default=yes]]]),

   367               , enable_audio=yes)

   368 if test x$enable_audio != xyes; then

   369     AC_DEFINE(SDL_AUDIO_DISABLED, 1, [ ])

   370 else

   371     SUMMARY_modules="${SUMMARY_modules} audio"

   372 fi

   373 AC_ARG_ENABLE(video,

   374 AC_HELP_STRING([--enable-video], [Enable the video subsystem [[default=yes]]]),

   375               , enable_video=yes)

   376 if test x$enable_video != xyes; then

   377     AC_DEFINE(SDL_VIDEO_DISABLED, 1, [ ])

   378 else

   379     SUMMARY_modules="${SUMMARY_modules} video"

   380 fi

   381 AC_ARG_ENABLE(render,

   382 AC_HELP_STRING([--enable-render], [Enable the render subsystem [[default=yes]]]),

   383               , enable_render=yes)

   384 if test x$enable_render != xyes; then

   385     AC_DEFINE(SDL_RENDER_DISABLED, 1, [ ])

   386 else

   387     SUMMARY_modules="${SUMMARY_modules} render"

   388 fi

   389 AC_ARG_ENABLE(events,

   390 AC_HELP_STRING([--enable-events], [Enable the events subsystem [[default=yes]]]),

   391               , enable_events=yes)

   392 if test x$enable_events != xyes; then

   393     AC_DEFINE(SDL_EVENTS_DISABLED, 1, [ ])

   394 else

   395     SUMMARY_modules="${SUMMARY_modules} events"

   396 fi

   397 AC_ARG_ENABLE(joystick,

   398 AC_HELP_STRING([--enable-joystick], [Enable the joystick subsystem [[default=yes]]]),

   399               , enable_joystick=yes)

   400 if test x$enable_joystick != xyes; then

   401     AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])

   402 else

   403     SUMMARY_modules="${SUMMARY_modules} joystick"

   404 fi

   405 AC_ARG_ENABLE(haptic,

   406 AC_HELP_STRING([--enable-haptic], [Enable the haptic (force feedback) subsystem [[default=yes]]]),

   407               , enable_haptic=yes)

   408 if test x$enable_haptic != xyes; then

   409     AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])

   410 else

   411     SUMMARY_modules="${SUMMARY_modules} haptic"

   412 fi

   413 AC_ARG_ENABLE(power,

   414 AC_HELP_STRING([--enable-power], [Enable the power subsystem [[default=yes]]]),

   415               , enable_power=yes)

   416 if test x$enable_power != xyes; then

   417     AC_DEFINE(SDL_POWER_DISABLED, 1, [ ])

   418 else

   419     SUMMARY_modules="${SUMMARY_modules} power"

   420 fi

   421 AC_ARG_ENABLE(filesystem,

   422 AC_HELP_STRING([--enable-filesystem], [Enable the filesystem subsystem [[default=yes]]]),

   423               , enable_filesystem=yes)

   424 if test x$enable_filesystem != xyes; then

   425     AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])

   426 else

   427     SUMMARY_modules="${SUMMARY_modules} filesystem"

   428 fi

   429 AC_ARG_ENABLE(threads,

   430 AC_HELP_STRING([--enable-threads], [Enable the threading subsystem [[default=yes]]]),

   431               , enable_threads=yes)

   432 if test x$enable_threads != xyes; then

   433     AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])

   434 else

   435     SUMMARY_modules="${SUMMARY_modules} threads"

   436 fi

   437 AC_ARG_ENABLE(timers,

   438 AC_HELP_STRING([--enable-timers], [Enable the timer subsystem [[default=yes]]]),

   439               , enable_timers=yes)

   440 if test x$enable_timers != xyes; then

   441     AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])

   442 else

   443     SUMMARY_modules="${SUMMARY_modules} timers"

   444 fi

   445 AC_ARG_ENABLE(file,

   446 AC_HELP_STRING([--enable-file], [Enable the file subsystem [[default=yes]]]),

   447               , enable_file=yes)

   448 if test x$enable_file != xyes; then

   449     AC_DEFINE(SDL_FILE_DISABLED, 1, [ ])

   450 else

   451     SUMMARY_modules="${SUMMARY_modules} file"

   452 fi

   453 AC_ARG_ENABLE(loadso,

   454 AC_HELP_STRING([--enable-loadso], [Enable the shared object loading subsystem [[default=yes]]]),

   455               , enable_loadso=yes)

   456 if test x$enable_loadso != xyes; then

   457     AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])

   458 else

   459     SUMMARY_modules="${SUMMARY_modules} loadso"

   460 fi

   461 AC_ARG_ENABLE(cpuinfo,

   462 AC_HELP_STRING([--enable-cpuinfo], [Enable the cpuinfo subsystem [[default=yes]]]),

   463               , enable_cpuinfo=yes)

   464 if test x$enable_cpuinfo != xyes; then

   465     AC_DEFINE(SDL_CPUINFO_DISABLED, 1, [ ])

   466 else

   467     SUMMARY_modules="${SUMMARY_modules} cpuinfo"

   468 fi

   469 AC_ARG_ENABLE(assembly,

   470 AC_HELP_STRING([--enable-assembly], [Enable assembly routines [[default=yes]]]),

   471               , enable_assembly=yes)

   472 if test x$enable_assembly = xyes; then

   473     SUMMARY_modules="${SUMMARY_modules} assembly"

   475     AC_DEFINE(SDL_ASSEMBLY_ROUTINES, 1, [ ])

   477     # Make sure that we don't generate floating point code that would

   478     # cause illegal instruction exceptions on older processors

   479     case "$host" in

   480         *-*-darwin*)

   481             # Don't need to worry about Apple hardware, it's all SSE capable

   482             default_ssemath=yes

   483             ;;

   484         *64-*-*)

   485             # x86 64-bit architectures all have SSE instructions

   486             default_ssemath=yes

   487             ;;

   488         *)

   489             default_ssemath=no

   490             ;;

   491     esac

   492     AC_ARG_ENABLE(ssemath,

   493 AC_HELP_STRING([--enable-ssemath], [Allow GCC to use SSE floating point math [[default=maybe]]]),

   494                   , enable_ssemath=$default_ssemath)

   495     if test x$enable_ssemath = xno; then

   496         if test x$have_gcc_sse = xyes -o x$have_gcc_sse2 = xyes -o x$have_gcc_sse3 = xyes; then

   497             EXTRA_CFLAGS="$EXTRA_CFLAGS -mfpmath=387"

   498         fi

   499     fi

   501     dnl Check for various instruction support

   502     AC_ARG_ENABLE(mmx,

   503 AC_HELP_STRING([--enable-mmx], [use MMX assembly routines [[default=yes]]]),

   504                   , enable_mmx=yes)

   505     if test x$enable_mmx = xyes; then

   506         save_CFLAGS="$CFLAGS"

   507         have_gcc_mmx=no

   508         AC_MSG_CHECKING(for GCC -mmmx option)

   509         mmx_CFLAGS="-mmmx"

   510         CFLAGS="$save_CFLAGS $mmx_CFLAGS"

   512         AC_TRY_COMPILE([

   513         #ifdef __MINGW32__

   514         #include <_mingw.h>

   515         #ifdef __MINGW64_VERSION_MAJOR

   516         #include <intrin.h>

   517         #else

   518         #include <mmintrin.h>

   519         #endif

   520         #else

   521         #include <mmintrin.h>

   522         #endif

   523         #ifndef __MMX__

   524         #error Assembler CPP flag not enabled

   525         #endif

   526         ],[

   527         ],[

   528         have_gcc_mmx=yes

   529         ])

   530         AC_MSG_RESULT($have_gcc_mmx)

   531         CFLAGS="$save_CFLAGS"

   533         if test x$have_gcc_mmx = xyes; then

   534             EXTRA_CFLAGS="$EXTRA_CFLAGS $mmx_CFLAGS"

   535             SUMMARY_math="${SUMMARY_math} mmx"

   536         fi

   537     fi

   539     AC_ARG_ENABLE(3dnow,

   540 AC_HELP_STRING([--enable-3dnow], [use 3DNow! assembly routines [[default=yes]]]),

   541                   , enable_3dnow=yes)

   542     if test x$enable_3dnow = xyes; then

   543         save_CFLAGS="$CFLAGS"

   544         have_gcc_3dnow=no

   545         AC_MSG_CHECKING(for GCC -m3dnow option)

   546         amd3dnow_CFLAGS="-m3dnow"

   547         CFLAGS="$save_CFLAGS $amd3dnow_CFLAGS"

   549         AC_TRY_LINK([

   550         #include <mm3dnow.h>

   551         #ifndef __3dNOW__

   552         #error Assembler CPP flag not enabled

   553         #endif

   554         ],[

   555         void *p = 0;

   556         _m_prefetch(p);

   557         ],[

   558         have_gcc_3dnow=yes

   559         ])

   560         AC_MSG_RESULT($have_gcc_3dnow)

   561         CFLAGS="$save_CFLAGS"

   563         if test x$have_gcc_3dnow = xyes; then

   564             EXTRA_CFLAGS="$EXTRA_CFLAGS $amd3dnow_CFLAGS"

   565             SUMMARY_math="${SUMMARY_math} 3dnow"

   566         fi

   567     fi

   569     AC_ARG_ENABLE(sse,

   570 AC_HELP_STRING([--enable-sse], [use SSE assembly routines [[default=yes]]]),

   571                   , enable_sse=yes)

   572     if test x$enable_sse = xyes; then

   573         save_CFLAGS="$CFLAGS"

   574         have_gcc_sse=no

   575         AC_MSG_CHECKING(for GCC -msse option)

   576         sse_CFLAGS="-msse"

   577         CFLAGS="$save_CFLAGS $sse_CFLAGS"

   579         AC_TRY_COMPILE([

   580         #ifdef __MINGW32__

   581         #include <_mingw.h>

   582         #ifdef __MINGW64_VERSION_MAJOR

   583         #include <intrin.h>

   584         #else

   585         #include <xmmintrin.h>

   586         #endif

   587         #else

   588         #include <xmmintrin.h>

   589         #endif

   590         #ifndef __SSE__

   591         #error Assembler CPP flag not enabled

   592         #endif

   593         ],[

   594         ],[

   595         have_gcc_sse=yes

   596         ])

   597         AC_MSG_RESULT($have_gcc_sse)

   598         CFLAGS="$save_CFLAGS"

   600         if test x$have_gcc_sse = xyes; then

   601             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse_CFLAGS"

   602             SUMMARY_math="${SUMMARY_math} sse"

   603         fi

   604     fi

   606     AC_ARG_ENABLE(sse2,

   607 AC_HELP_STRING([--enable-sse2], [use SSE2 assembly routines [[default=maybe]]]),

   608                   , enable_sse2=$default_ssemath)

   609     if test x$enable_sse2 = xyes; then

   610         save_CFLAGS="$CFLAGS"

   611         have_gcc_sse2=no

   612         AC_MSG_CHECKING(for GCC -msse2 option)

   613         sse2_CFLAGS="-msse2"

   614         CFLAGS="$save_CFLAGS $sse2_CFLAGS"

   616         AC_TRY_COMPILE([

   617         #ifdef __MINGW32__

   618         #include <_mingw.h>

   619         #ifdef __MINGW64_VERSION_MAJOR

   620         #include <intrin.h>

   621         #else

   622         #include <emmintrin.h>

   623         #endif

   624         #else

   625         #include <emmintrin.h>

   626         #endif

   627         #ifndef __SSE2__

   628         #error Assembler CPP flag not enabled

   629         #endif

   630         ],[

   631         ],[

   632         have_gcc_sse2=yes

   633         ])

   634         AC_MSG_RESULT($have_gcc_sse2)

   635         CFLAGS="$save_CFLAGS"

   637         if test x$have_gcc_sse2 = xyes; then

   638             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse2_CFLAGS"

   639             SUMMARY_math="${SUMMARY_math} sse2"

   640         fi

   641     fi

   643     AC_ARG_ENABLE(sse3,

   644 AC_HELP_STRING([--enable-sse3], [use SSE3 assembly routines [[default=maybe]]]),

   645                   , enable_sse3=$default_ssemath)

   646     if test x$enable_sse3 = xyes; then

   647         save_CFLAGS="$CFLAGS"

   648         have_gcc_sse3=no

   649         AC_MSG_CHECKING(for GCC -msse3 option)

   650         sse3_CFLAGS="-msse3"

   651         CFLAGS="$save_CFLAGS $sse3_CFLAGS"

   653         AC_TRY_COMPILE([

   654         #ifdef __MINGW32__

   655         #include <_mingw.h>

   656         #ifdef __MINGW64_VERSION_MAJOR

   657         #include <intrin.h>

   658         #else

   659         #include <pmmintrin.h>

   660         #endif

   661         #else

   662         #include <pmmintrin.h>

   663         #endif

   664         #ifndef __SSE2__

   665         #error Assembler CPP flag not enabled

   666         #endif

   667         ],[

   668         ],[

   669         have_gcc_sse3=yes

   670         ])

   671         AC_MSG_RESULT($have_gcc_sse3)

   672         CFLAGS="$save_CFLAGS"

   674         if test x$have_gcc_sse3 = xyes; then

   675             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse3_CFLAGS"

   676             SUMMARY_math="${SUMMARY_math} sse3"

   677         fi

   678     fi

   680     AC_CHECK_HEADER(immintrin.h,

   681                     have_immintrin_h_hdr=yes,

   682                     have_immintrin_h_hdr=no)

   683     if test x$have_immintrin_h_hdr = xyes; then

   684         AC_DEFINE(HAVE_IMMINTRIN_H, 1, [ ])

   685     fi

   687     AC_ARG_ENABLE(altivec,

   688 AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]]]),

   689                   , enable_altivec=yes)

   690     if test x$enable_altivec = xyes; then

   691         save_CFLAGS="$CFLAGS"

   692         have_gcc_altivec=no

   693         have_altivec_h_hdr=no

   694         altivec_CFLAGS="-maltivec"

   695         CFLAGS="$save_CFLAGS $altivec_CFLAGS"

   697         AC_MSG_CHECKING(for Altivec with GCC altivec.h and -maltivec option)

   698         AC_TRY_COMPILE([

   699         #include <altivec.h>

   700         vector unsigned int vzero() {

   701             return vec_splat_u32(0);

   702         }

   703         ],[

   704         ],[

   705         have_gcc_altivec=yes

   706         have_altivec_h_hdr=yes

   707         ])

   708         AC_MSG_RESULT($have_gcc_altivec)

   710         if test x$have_gcc_altivec = xno; then

   711             AC_MSG_CHECKING(for Altivec with GCC -maltivec option)

   712             AC_TRY_COMPILE([

   713             vector unsigned int vzero() {

   714                 return vec_splat_u32(0);

   715             }

   716             ],[

   717             ],[

   718             have_gcc_altivec=yes

   719             ])

   720             AC_MSG_RESULT($have_gcc_altivec)

   721         fi

   723         if test x$have_gcc_altivec = xno; then

   724             AC_MSG_CHECKING(for Altivec with GCC altivec.h and -faltivec option)

   725             altivec_CFLAGS="-faltivec"

   726             CFLAGS="$save_CFLAGS $altivec_CFLAGS"

   727             AC_TRY_COMPILE([

   728             #include <altivec.h>

   729             vector unsigned int vzero() {

   730                 return vec_splat_u32(0);

   731             }

   732             ],[

   733             ],[

   734             have_gcc_altivec=yes

   735             have_altivec_h_hdr=yes

   736             ])

   737             AC_MSG_RESULT($have_gcc_altivec)

   738         fi

   740         if test x$have_gcc_altivec = xno; then

   741             AC_MSG_CHECKING(for Altivec with GCC -faltivec option)

   742             AC_TRY_COMPILE([

   743             vector unsigned int vzero() {

   744                 return vec_splat_u32(0);

   745             }

   746             ],[

   747             ],[

   748             have_gcc_altivec=yes

   749             ])

   750             AC_MSG_RESULT($have_gcc_altivec)

   751         fi

   752         CFLAGS="$save_CFLAGS"

   754         if test x$have_gcc_altivec = xyes; then

   755             AC_DEFINE(SDL_ALTIVEC_BLITTERS, 1, [ ])

   756             if test x$have_altivec_h_hdr = xyes; then

   757               AC_DEFINE(HAVE_ALTIVEC_H, 1, [ ])

   758             fi

   759             EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"

   760             SUMMARY_math="${SUMMARY_math} altivec"

   761         fi

   762     fi

   763 fi

   765 dnl See if the OSS audio interface is supported

   766 CheckOSS()

   767 {

   768     AC_ARG_ENABLE(oss,

   769 AC_HELP_STRING([--enable-oss], [support the OSS audio API [[default=maybe]]]),

   770                   , enable_oss=maybe)

   772     # OpenBSD "has" OSS, but it's not really for app use. They want you to

   773     #  use sndio instead. So on there, we default to disabled. You can force

   774     #  it on if you really want, though.

   775     if test x$enable_oss = xmaybe; then

   776         enable_oss=yes

   777         case "$host" in

   778             *-*-openbsd*)

   779                 enable_oss=no;;

   780         esac

   781     fi

   783     if test x$enable_audio = xyes -a x$enable_oss = xyes; then

   784         AC_MSG_CHECKING(for OSS audio support)

   785         have_oss=no

   786         if test x$have_oss != xyes; then

   787             AC_TRY_COMPILE([

   788               #include <sys/soundcard.h>

   789             ],[

   790               int arg = SNDCTL_DSP_SETFRAGMENT;

   791             ],[

   792             have_oss=yes

   793             ])

   794         fi

   795         if test x$have_oss != xyes; then

   796             AC_TRY_COMPILE([

   797               #include <soundcard.h>

   798             ],[

   799               int arg = SNDCTL_DSP_SETFRAGMENT;

   800             ],[

   801             have_oss=yes

   802             AC_DEFINE(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H, 1, [ ])

   803             ])

   804         fi

   805         AC_MSG_RESULT($have_oss)

   806         if test x$have_oss = xyes; then

   807             SUMMARY_audio="${SUMMARY_audio} oss"

   808             AC_DEFINE(SDL_AUDIO_DRIVER_OSS, 1, [ ])

   809             SOURCES="$SOURCES $srcdir/src/audio/dsp/*.c"

   810             have_audio=yes

   812             # We may need to link with ossaudio emulation library

   813             case "$host" in

   814                 *-*-openbsd*|*-*-netbsd*)

   815                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lossaudio";;

   816             esac

   817         fi

   818     fi

   819 }

   821 dnl See if the ALSA audio interface is supported

   822 CheckALSA()

   823 {

   824     AC_ARG_ENABLE(alsa,

   825 AC_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),

   826                   , enable_alsa=yes)

   827     if test x$enable_audio = xyes -a x$enable_alsa = xyes; then

   828         AM_PATH_ALSA(1.0.11, have_alsa=yes, have_alsa=no)

   829         # Restore all flags from before the ALSA detection runs

   830         CFLAGS="$alsa_save_CFLAGS"

   831         LDFLAGS="$alsa_save_LDFLAGS"

   832         LIBS="$alsa_save_LIBS"

   833         if test x$have_alsa = xyes; then

   834             AC_ARG_ENABLE(alsa-shared,

   835 AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),

   836                           , enable_alsa_shared=yes)

   837             alsa_lib=[`find_lib "libasound.so.*" "$ALSA_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]

   839             AC_DEFINE(SDL_AUDIO_DRIVER_ALSA, 1, [ ])

   840             SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c"

   841             EXTRA_CFLAGS="$EXTRA_CFLAGS $ALSA_CFLAGS"

   842             if test x$have_loadso != xyes && \

   843                test x$enable_alsa_shared = xyes; then

   844                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading])

   845             fi

   846             if test x$have_loadso = xyes && \

   847                test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then

   848                 echo "-- dynamic libasound -> $alsa_lib"

   849                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ALSA_DYNAMIC, "$alsa_lib", [ ])

   850                 SUMMARY_audio="${SUMMARY_audio} alsa(dynamic)"

   851             else

   852                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ALSA_LIBS"

   853                 SUMMARY_audio="${SUMMARY_audio} alsa"

   854             fi

   855             have_audio=yes

   856         fi

   857     fi

   858 }

   860 dnl Find JACK Audio

   861 CheckJACK()

   862 {

   863     AC_ARG_ENABLE(jack,

   864 AC_HELP_STRING([--enable-jack], [use JACK audio [[default=yes]]]),

   865                   , enable_jack=yes)

   866     if test x$enable_audio = xyes -a x$enable_jack = xyes; then

   867         audio_jack=no

   869         JACK_REQUIRED_VERSION=0.125

   871         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)

   872         AC_MSG_CHECKING(for JACK $JACK_REQUIRED_VERSION support)

   873         if test x$PKG_CONFIG != xno; then

   874         if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $JACK_REQUIRED_VERSION jack; then

   875                 JACK_CFLAGS=`$PKG_CONFIG --cflags jack`

   876                 JACK_LIBS=`$PKG_CONFIG --libs jack`

   877                 audio_jack=yes

   878             fi

   879         fi

   880         AC_MSG_RESULT($audio_jack)

   882         if test x$audio_jack = xyes; then

   883             AC_ARG_ENABLE(jack-shared,

   884 AC_HELP_STRING([--enable-jack-shared], [dynamically load JACK audio support [[default=yes]]]),

   885                           , enable_jack_shared=yes)

   886             jack_lib=[`find_lib "libjack.so.*" "$JACK_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]

   888             AC_DEFINE(SDL_AUDIO_DRIVER_JACK, 1, [ ])

   889             SOURCES="$SOURCES $srcdir/src/audio/jack/*.c"

   890             EXTRA_CFLAGS="$EXTRA_CFLAGS $JACK_CFLAGS"

   891             if test x$have_loadso != xyes && \

   892                test x$enable_jack_shared = xyes; then

   893                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic JACK audio loading])

   894             fi

   895             if test x$have_loadso = xyes && \

   896                test x$enable_jack_shared = xyes && test x$jack_lib != x; then

   897                 echo "-- dynamic libjack -> $jack_lib"

   898                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_JACK_DYNAMIC, "$jack_lib", [ ])

   899                 SUMMARY_audio="${SUMMARY_audio} jack(dynamic)"

   901                 case "$host" in

   902                     # On Solaris, jack must be linked deferred explicitly

   903                     # to prevent undefined symbol failures.

   904                     *-*-solaris*)

   905                         JACK_LIBS=`echo $JACK_LIBS | sed 's/\-l/-Wl,-l/g'`

   906                         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-zdeferred $JACK_LIBS -Wl,-znodeferred"

   907                 esac

   908             else

   909                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $JACK_LIBS"

   910                 SUMMARY_audio="${SUMMARY_audio} jack"

   911             fi

   912             have_audio=yes

   913         fi

   914     fi

   915 }

   917 dnl Find the ESD includes and libraries

   918 CheckESD()

   919 {

   920     AC_ARG_ENABLE(esd,

   921 AC_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),

   922                   , enable_esd=yes)

   923     if test x$enable_audio = xyes -a x$enable_esd = xyes; then

   924         AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no)

   925         if test x$have_esd = xyes; then

   926             AC_ARG_ENABLE(esd-shared,

   927 AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),

   928                           , enable_esd_shared=yes)

   929             esd_lib=[`find_lib "libesd.so.*" "$ESD_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]

   931             AC_DEFINE(SDL_AUDIO_DRIVER_ESD, 1, [ ])

   932             SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"

   933             EXTRA_CFLAGS="$EXTRA_CFLAGS $ESD_CFLAGS"

   934             if test x$have_loadso != xyes && \

   935                test x$enable_esd_shared = xyes; then

   936                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading])

   937             fi

   938             if test x$have_loadso = xyes && \

   939                test x$enable_esd_shared = xyes && test x$esd_lib != x; then

   940                 echo "-- dynamic libesd -> $esd_lib"

   941                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib", [ ])

   942                 SUMMARY_audio="${SUMMARY_audio} esd(dynamic)"

   943             else

   944                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ESD_LIBS"

   945                 SUMMARY_audio="${SUMMARY_audio} esd"

   946             fi

   947             have_audio=yes

   948         fi

   949     fi

   950 }

   952 dnl Find PulseAudio

   953 CheckPulseAudio()

   954 {

   955     AC_ARG_ENABLE(pulseaudio,

   956 AC_HELP_STRING([--enable-pulseaudio], [use PulseAudio [[default=yes]]]),

   957                   , enable_pulseaudio=yes)

   958     if test x$enable_audio = xyes -a x$enable_pulseaudio = xyes; then

   959         audio_pulseaudio=no

   961         PULSEAUDIO_REQUIRED_VERSION=0.9

   963         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)

   964         AC_MSG_CHECKING(for PulseAudio $PULSEAUDIO_REQUIRED_VERSION support)

   965         if test x$PKG_CONFIG != xno; then

   966         if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $PULSEAUDIO_REQUIRED_VERSION libpulse-simple; then

   967                 PULSEAUDIO_CFLAGS=`$PKG_CONFIG --cflags libpulse-simple`

   968                 PULSEAUDIO_LIBS=`$PKG_CONFIG --libs libpulse-simple`

   969                 audio_pulseaudio=yes

   970             fi

   971         fi

   972         AC_MSG_RESULT($audio_pulseaudio)

   974         if test x$audio_pulseaudio = xyes; then

   975             AC_ARG_ENABLE(pulseaudio-shared,

   976 AC_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [[default=yes]]]),

   977                           , enable_pulseaudio_shared=yes)

   978             pulseaudio_lib=[`find_lib "libpulse-simple.so.*" "$PULSEAUDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]

   980             AC_DEFINE(SDL_AUDIO_DRIVER_PULSEAUDIO, 1, [ ])

   981             SOURCES="$SOURCES $srcdir/src/audio/pulseaudio/*.c"

   982             EXTRA_CFLAGS="$EXTRA_CFLAGS $PULSEAUDIO_CFLAGS"

   983             if test x$have_loadso != xyes && \

   984                test x$enable_pulseaudio_shared = xyes; then

   985                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic PulseAudio loading])

   986             fi

   987             if test x$have_loadso = xyes && \

   988                test x$enable_pulseaudio_shared = xyes && test x$pulseaudio_lib != x; then

   989                 echo "-- dynamic libpulse-simple -> $pulseaudio_lib"

   990                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC, "$pulseaudio_lib", [ ])

   991                 SUMMARY_audio="${SUMMARY_audio} pulse(dynamic)"

   993                 case "$host" in

   994                     # On Solaris, pulseaudio must be linked deferred explicitly

   995                     # to prevent undefined symbol failures.

   996                     *-*-solaris*)

   997                         PULSEAUDIO_LIBS=`echo $PULSEAUDIO_LIBS | sed 's/\-l/-Wl,-l/g'`

   998                         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-zdeferred $PULSEAUDIO_LIBS -Wl,-znodeferred"

   999                 esac

  1000             else

  1001                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $PULSEAUDIO_LIBS"

  1002                 SUMMARY_audio="${SUMMARY_audio} pulse"

  1003             fi

  1004             have_audio=yes

  1005         fi

  1006     fi

  1007 }

  1009 CheckARTSC()

  1010 {

  1011     AC_ARG_ENABLE(arts,

  1012 AC_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),

  1013                   , enable_arts=yes)

  1014     if test x$enable_audio = xyes -a x$enable_arts = xyes; then

  1015         AC_PATH_PROG(ARTSCONFIG, artsc-config)

  1016         if test x$ARTSCONFIG = x -o x$ARTSCONFIG = x'"$ARTSCONFIG"'; then

  1017             : # arts isn't installed

  1018         else

  1019             ARTS_CFLAGS=`$ARTSCONFIG --cflags`

  1020             ARTS_LIBS=`$ARTSCONFIG --libs`

  1021             AC_MSG_CHECKING(for aRts development environment)

  1022             audio_arts=no

  1023             save_CFLAGS="$CFLAGS"

  1024             CFLAGS="$CFLAGS $ARTS_CFLAGS"

  1025             AC_TRY_COMPILE([

  1026              #include <artsc.h>

  1027             ],[

  1028              arts_stream_t stream;

  1029             ],[

  1030             audio_arts=yes

  1031             ])

  1032             CFLAGS="$save_CFLAGS"

  1033             AC_MSG_RESULT($audio_arts)

  1034             if test x$audio_arts = xyes; then

  1035                 AC_ARG_ENABLE(arts-shared,

  1036 AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),

  1037                               , enable_arts_shared=yes)

  1038                 arts_lib=[`find_lib "libartsc.so.*" "$ARTS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]

  1040                 AC_DEFINE(SDL_AUDIO_DRIVER_ARTS, 1, [ ])

  1041                 SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"

  1042                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ARTS_CFLAGS"

  1043                 if test x$have_loadso != xyes && \

  1044                    test x$enable_arts_shared = xyes; then

  1045                     AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading])

  1046                 fi

  1047                 if test x$have_loadso = xyes && \

  1048                    test x$enable_arts_shared = xyes && test x$arts_lib != x; then

  1049                     echo "-- dynamic libartsc -> $arts_lib"

  1050                     AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib", [ ])

  1051                     SUMMARY_audio="${SUMMARY_audio} arts(dynamic)"

  1052                 else

  1053                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARTS_LIBS"

  1054                     SUMMARY_audio="${SUMMARY_audio} arts"

  1055                 fi

  1056                 have_audio=yes

  1057             fi

  1058         fi

  1059     fi

  1060 }

  1062 dnl See if the NAS audio interface is supported

  1063 CheckNAS()

  1064 {

  1065     AC_ARG_ENABLE(nas,

  1066 AC_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),

  1067                   , enable_nas=yes)

  1068     if test x$enable_audio = xyes -a x$enable_nas = xyes; then

  1069         AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes)

  1070         AC_CHECK_LIB(audio, AuOpenServer, have_nas_lib=yes)

  1072         AC_MSG_CHECKING(for NAS audio support)

  1073         have_nas=no

  1075         if test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then

  1076             have_nas=yes

  1077             NAS_LIBS="-laudio"

  1079         elif test -r /usr/X11R6/include/audio/audiolib.h; then

  1080             have_nas=yes

  1081             NAS_CFLAGS="-I/usr/X11R6/include/"

  1082             NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"

  1084         fi

  1086         AC_MSG_RESULT($have_nas)

  1088         if test x$have_nas = xyes; then

  1089             AC_ARG_ENABLE(nas-shared,

  1090 AC_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [[default=yes]]]),

  1091                           , enable_nas_shared=yes)

  1092             nas_lib=[`find_lib "libaudio.so.*" "$NAS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]

  1094             if test x$have_loadso != xyes && \

  1095                test x$enable_nas_shared = xyes; then

  1096                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic NAS loading])

  1097             fi

  1098             if test x$have_loadso = xyes && \

  1099                test x$enable_nas_shared = xyes && test x$nas_lib != x; then

  1100                 echo "-- dynamic libaudio -> $nas_lib"

  1101                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_NAS_DYNAMIC, "$nas_lib", [ ])

  1102                 SUMMARY_audio="${SUMMARY_audio} nas(dynamic)"

  1103             else

  1104                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS"

  1105                 SUMMARY_audio="${SUMMARY_audio} nas"

  1106             fi

  1108             AC_DEFINE(SDL_AUDIO_DRIVER_NAS, 1, [ ])

  1109             SOURCES="$SOURCES $srcdir/src/audio/nas/*.c"

  1110             EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS"

  1111             have_audio=yes

  1112         fi

  1113     fi

  1114 }

  1116 dnl See if the sndio audio interface is supported

  1117 CheckSNDIO()

  1118 {

  1119     AC_ARG_ENABLE(sndio,

  1120 AC_HELP_STRING([--enable-sndio], [support the sndio audio API [[default=yes]]]),

  1121                   , enable_sndio=yes)

  1122     if test x$enable_audio = xyes -a x$enable_sndio = xyes; then

  1123         AC_CHECK_HEADER(sndio.h, have_sndio_hdr=yes)

  1124         AC_CHECK_LIB(sndio, sio_open, have_sndio_lib=yes)

  1126         AC_MSG_CHECKING(for sndio audio support)

  1127         have_sndio=no

  1129         if test x$have_sndio_hdr = xyes -a x$have_sndio_lib = xyes; then

  1130             have_sndio=yes

  1131             SNDIO_LIBS="-lsndio"

  1132         fi

  1134         AC_MSG_RESULT($have_sndio)

  1136         if test x$have_sndio = xyes; then

  1137             AC_ARG_ENABLE(sndio-shared,

  1138 AC_HELP_STRING([--enable-sndio-shared], [dynamically load sndio audio support [[default=yes]]]),

  1139                           , enable_sndio_shared=yes)

  1140             sndio_lib=[`find_lib "libsndio.so.*" "$SNDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]

  1142             if test x$have_loadso != xyes && \

  1143                test x$enable_sndio_shared = xyes; then

  1144                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic sndio loading])

  1145             fi

  1146             if test x$have_loadso = xyes && \

  1147                test x$enable_sndio_shared = xyes && test x$sndio_lib != x; then

  1148                 echo "-- dynamic libsndio -> $sndio_lib"

  1149                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_SNDIO_DYNAMIC, "$sndio_lib", [ ])

  1150                 SUMMARY_audio="${SUMMARY_audio} sndio(dynamic)"

  1151             else

  1152                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $SNDIO_LIBS"

  1153                 SUMMARY_audio="${SUMMARY_audio} sndio"

  1154             fi

  1156             AC_DEFINE(SDL_AUDIO_DRIVER_SNDIO, 1, [ ])

  1157             SOURCES="$SOURCES $srcdir/src/audio/sndio/*.c"

  1158             EXTRA_CFLAGS="$EXTRA_CFLAGS $SNDIO_CFLAGS"

  1159             have_audio=yes

  1160         fi

  1161     fi

  1162 }

  1164 dnl Find FusionSound

  1165 CheckFusionSound()

  1166 {

  1167     AC_ARG_ENABLE(fusionsound,

  1168 AC_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [[default=no]]]),

  1169                   , enable_fusionsound=no)

  1170     if test x$enable_audio = xyes -a x$enable_fusionsound = xyes; then

  1171         fusionsound=no

  1173         FUSIONSOUND_REQUIRED_VERSION=1.1.1

  1175         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)

  1176         AC_MSG_CHECKING(for FusionSound $FUSIONSOUND_REQUIRED_VERSION support)

  1177         if test x$PKG_CONFIG != xno; then

  1178             if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $FUSIONSOUND_REQUIRED_VERSION fusionsound; then

  1179                 FUSIONSOUND_CFLAGS=`$PKG_CONFIG --cflags fusionsound`

  1180                 FUSIONSOUND_LIBS=`$PKG_CONFIG --libs fusionsound`

  1181                 fusionsound=yes

  1182             fi

  1183         fi

  1184         AC_MSG_RESULT($fusionsound)

  1186         if test x$fusionsound = xyes; then

  1187             AC_DEFINE(SDL_AUDIO_DRIVER_FUSIONSOUND, 1, [ ])

  1188             SOURCES="$SOURCES $srcdir/src/audio/fusionsound/*.c"

  1189             EXTRA_CFLAGS="$EXTRA_CFLAGS $FUSIONSOUND_CFLAGS"

  1191             AC_ARG_ENABLE(fusionsound-shared,

  1192 AC_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [[default=yes]]]),

  1193                           , enable_fusionsound_shared=yes)

  1194             fusionsound_shared=no

  1195             AC_MSG_CHECKING(for FusionSound dynamic loading support)

  1196             if test x$have_loadso != xyes && \

  1197                test x$enable_fusionsound_shared = xyes; then

  1198                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic fusionsound loading])

  1199             fi

  1200             if test x$have_loadso = xyes && \

  1201                test x$enable_fusionsound_shared = xyes; then

  1202                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC, "libfusionsound.so", [ ])

  1203                 fusionsound_shared=yes

  1204                 SUMMARY_audio="${SUMMARY_audio} fusionsound(dynamic)"

  1205             else

  1206                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $FUSIONSOUND_LIBS"

  1207                 SUMMARY_audio="${SUMMARY_audio} fusionsound"

  1208             fi

  1209             AC_MSG_RESULT($fusionsound_shared)

  1211             have_audio=yes

  1212         fi

  1213     fi

  1214 }

  1216 dnl rcg07142001 See if the user wants the disk writer audio driver...

  1217 CheckDiskAudio()

  1218 {

  1219     AC_ARG_ENABLE(diskaudio,

  1220 AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),

  1221                   , enable_diskaudio=yes)

  1222     if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then

  1223         AC_DEFINE(SDL_AUDIO_DRIVER_DISK, 1, [ ])

  1224         SOURCES="$SOURCES $srcdir/src/audio/disk/*.c"

  1225         SUMMARY_audio="${SUMMARY_audio} disk"

  1226     fi

  1227 }

  1229 dnl rcg03142006 See if the user wants the dummy audio driver...

  1230 CheckDummyAudio()

  1231 {

  1232     AC_ARG_ENABLE(dummyaudio,

  1233 AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),

  1234                   , enable_dummyaudio=yes)

  1235     if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then

  1236         AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY, 1, [ ])

  1237         SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c"

  1238         SUMMARY_audio="${SUMMARY_audio} dummy"

  1239     fi

  1240 }

  1242 dnl See if libsamplerate is available

  1243 CheckLibSampleRate()

  1244 {

  1245     AC_ARG_ENABLE(libsamplerate,

  1246 AC_HELP_STRING([--enable-libsamplerate], [use libsamplerate for audio rate conversion [[default=yes]]]),

  1247                   , enable_libsamplerate=yes)

  1248     if test x$enable_libsamplerate = xyes; then

  1249         AC_CHECK_HEADER(samplerate.h,

  1250                         have_samplerate_h_hdr=yes,

  1251                         have_samplerate_h_hdr=no)

  1252         if test x$have_samplerate_h_hdr = xyes; then

  1253             AC_DEFINE(HAVE_LIBSAMPLERATE_H, 1, [ ])

  1255             AC_ARG_ENABLE(libsamplerate-shared,

  1256 AC_HELP_STRING([--enable-libsamplerate-shared], [dynamically load libsamplerate [[default=yes]]]),

  1257                           , enable_libsamplerate_shared=yes)

  1259             samplerate_lib=[`find_lib "libsamplerate.so.*" "" | sed 's/.*\/\(.*\)/\1/; q'`]

  1261             if test x$have_loadso != xyes && \

  1262                test x$enable_libsamplerate_shared = xyes; then

  1263                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic libsamplerate loading])

  1264             fi

  1265             if test x$have_loadso = xyes && \

  1266                test x$enable_libsamplerate_shared = xyes && test x$samplerate_lib != x; then

  1267                 echo "-- dynamic libsamplerate -> $samplerate_lib"

  1268                 AC_DEFINE_UNQUOTED(SDL_LIBSAMPLERATE_DYNAMIC, "$samplerate_lib", [ ])

  1269             else

  1270                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lsamplerate"

  1271             fi

  1272         fi

  1273     fi

  1274 }

  1276 dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).

  1277 dnl  Details of this flag are here: http://gcc.gnu.org/wiki/Visibility

  1278 CheckVisibilityHidden()

  1279 {

  1280     AC_MSG_CHECKING(for GCC -fvisibility=hidden option)

  1281     have_gcc_fvisibility=no

  1283     visibility_CFLAGS="-fvisibility=hidden"

  1284     save_CFLAGS="$CFLAGS"

  1285     CFLAGS="$save_CFLAGS $visibility_CFLAGS -Werror"

  1286     AC_TRY_COMPILE([

  1287     #if !defined(__GNUC__) || __GNUC__ < 4

  1288     #error SDL only uses visibility attributes in GCC 4 or newer

  1289     #endif

  1290     ],[

  1291     ],[

  1292     have_gcc_fvisibility=yes

  1293     ])

  1294     AC_MSG_RESULT($have_gcc_fvisibility)

  1295     CFLAGS="$save_CFLAGS"

  1297     if test x$have_gcc_fvisibility = xyes; then

  1298         EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"

  1299     fi

  1300 }

  1302 dnl See if GCC's -mpreferred-stack-boundary is supported.

  1303 dnl  Reference: http://bugzilla.libsdl.org/show_bug.cgi?id=1296

  1304 CheckStackBoundary()

  1305 {

  1306     AC_MSG_CHECKING(for GCC -mpreferred-stack-boundary option)

  1307     have_gcc_preferred_stack_boundary=no

  1309     save_CFLAGS="$CFLAGS"

  1310     CFLAGS="$save_CFLAGS -mpreferred-stack-boundary=2"

  1311     AC_TRY_COMPILE([

  1312     int x = 0;

  1313     ],[

  1314     ],[

  1315     have_gcc_preferred_stack_boundary=yes

  1316     ])

  1317     AC_MSG_RESULT($have_gcc_preferred_stack_boundary)

  1318     CFLAGS="$save_CFLAGS"

  1320     if test x$have_gcc_preferred_stack_boundary = xyes; then

  1321         EXTRA_CFLAGS="$EXTRA_CFLAGS -mpreferred-stack-boundary=2"

  1322     fi

  1323 }

  1325 dnl See if GCC's -Wdeclaration-after-statement is supported.

  1326 dnl  This lets us catch things that would fail on a C89 compiler when using

  1327 dnl  a modern GCC.

  1328 CheckDeclarationAfterStatement()

  1329 {

  1330     AC_MSG_CHECKING(for GCC -Wdeclaration-after-statement option)

  1331     have_gcc_declaration_after_statement=no

  1333     save_CFLAGS="$CFLAGS"

  1334     CFLAGS="$save_CFLAGS -Wdeclaration-after-statement -Werror=declaration-after-statement"

  1335     AC_TRY_COMPILE([

  1336     int x = 0;

  1337     ],[

  1338     ],[

  1339     have_gcc_declaration_after_statement=yes

  1340     ])

  1341     AC_MSG_RESULT($have_gcc_declaration_after_statement)

  1342     CFLAGS="$save_CFLAGS"

  1344     if test x$have_gcc_declaration_after_statement = xyes; then

  1345         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wdeclaration-after-statement -Werror=declaration-after-statement"

  1346     fi

  1347 }

  1349 dnl See if GCC's -Wall is supported.

  1350 CheckWarnAll()

  1351 {

  1352     AC_MSG_CHECKING(for GCC -Wall option)

  1353     have_gcc_Wall=no

  1355     save_CFLAGS="$CFLAGS"

  1356     CFLAGS="$save_CFLAGS -Wall"

  1357     AC_TRY_COMPILE([

  1358     int x = 0;

  1359     ],[

  1360     ],[

  1361     have_gcc_Wall=yes

  1362     ])

  1363     AC_MSG_RESULT($have_gcc_Wall)

  1364     CFLAGS="$save_CFLAGS"

  1366     if test x$have_gcc_Wall = xyes; then

  1367         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"

  1369         dnl Haiku headers use multicharacter constants all over the place. Ignore these warnings when using -Wall.

  1370         AC_MSG_CHECKING(for necessary GCC -Wno-multichar option)

  1371         need_gcc_Wno_multichar=no

  1372         case "$host" in

  1373             *-*-haiku*)

  1374                 need_gcc_Wno_multichar=yes

  1375                 ;;

  1376         esac

  1377         AC_MSG_RESULT($need_gcc_Wno_multichar)

  1378         if test x$need_gcc_Wno_multichar = xyes; then

  1379             EXTRA_CFLAGS="$EXTRA_CFLAGS -Wno-multichar"

  1380         fi

  1381     fi

  1382 }

  1384 dnl Check for Wayland

  1385 CheckWayland()

  1386 {

  1387     AC_ARG_ENABLE(video-wayland,

  1388 AC_HELP_STRING([--enable-video-wayland], [use Wayland video driver [[default=yes]]]),

  1389                   ,enable_video_wayland=yes)

  1391     AC_ARG_ENABLE(video-wayland-qt-touch,

  1392 AC_HELP_STRING([--enable-video-wayland-qt-touch], [QtWayland server support for Wayland video driver [[default=yes]]]),

  1393                   ,enable_video_wayland_qt_touch=yes)

  1395     if test x$enable_video = xyes -a x$enable_video_wayland = xyes; then

  1396         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)

  1397         AC_MSG_CHECKING(for Wayland support)

  1398         video_wayland=no

  1399         if  test x$PKG_CONFIG != xno && \

  1400             test x$video_opengl_egl = xyes && \

  1401             test x$video_opengles_v2 = xyes; then

  1402             if $PKG_CONFIG --exists wayland-client wayland-scanner wayland-protocols wayland-egl wayland-cursor egl xkbcommon ; then

  1403                 WAYLAND_CFLAGS=`$PKG_CONFIG --cflags wayland-client wayland-egl wayland-cursor xkbcommon`

  1404                 WAYLAND_LIBS=`$PKG_CONFIG --libs wayland-client wayland-egl wayland-cursor xkbcommon`

  1405                 WAYLAND_SCANNER=`$PKG_CONFIG --variable=wayland_scanner wayland-scanner`

  1406                 video_wayland=yes

  1407             fi

  1408         fi

  1409         AC_MSG_RESULT($video_wayland)

  1411         if test x$video_wayland = xyes; then

  1412             AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND, 1, [ ])

  1413             if test x$enable_video_wayland_qt_touch = xyes; then

  1414                 AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH, 1, [ ])

  1415             fi

  1417             SOURCES="$SOURCES $srcdir/src/video/wayland/*.c"

  1418             EXTRA_CFLAGS="$EXTRA_CFLAGS $WAYLAND_CFLAGS -I\$(gen)"

  1419             AC_ARG_ENABLE(wayland-shared,

  1420 AC_HELP_STRING([--enable-wayland-shared], [dynamically load Wayland support [[default=maybe]]]),

  1421                           , enable_wayland_shared=maybe)

  1423             dnl FIXME: Do BSD and OS X need special cases?

  1424             case "$host" in

  1425                 *)

  1426                     wayland_client_lib=[`find_lib "libwayland-client.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]

  1427                     wayland_egl_lib=[`find_lib "libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]

  1428                     if test x$wayland_egl_lib = x; then

  1429                         dnl This works in Ubuntu 13.10, maybe others

  1430                         wayland_egl_lib=[`find_lib "mesa-egl/libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]

  1431                     fi

  1432                     wayland_cursor_lib=[`find_lib "libwayland-cursor.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]

  1433                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]

  1434                     ;;

  1435             esac

  1437             if test x$enable_wayland_shared = xmaybe; then

  1438                 enable_wayland_shared=yes

  1439             fi

  1440             if test x$have_loadso != xyes && \

  1441                test x$enable_wayland_shared = xyes; then

  1442                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Wayland loading])

  1443                 enable_wayland_shared=no

  1444             fi

  1445             if test x$have_loadso = xyes && \

  1446                test x$enable_wayland_shared = xyes && \

  1447                test x$wayland_client_lib != x && \

  1448                test x$wayland_egl_lib != x && \

  1449                test x$wayland_cursor_lib != x && \

  1450                test x$xkbcommon_lib != x; then

  1451                 echo "-- dynamic libwayland-client -> $wayland_client_lib"

  1452                 echo "-- dynamic libwayland-egl -> $wayland_egl_lib"

  1453                 echo "-- dynamic libwayland-cursor -> $wayland_cursor_lib"

  1454                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"

  1455                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC, "$wayland_client_lib", [ ])

  1456                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_EGL, "$wayland_egl_lib", [ ])

  1457                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_CURSOR, "$wayland_cursor_lib", [ ])

  1458                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])

  1459                 SUMMARY_video="${SUMMARY_video} wayland(dynamic)"

  1460             else

  1461                 enable_wayland_shared=no

  1462                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $WAYLAND_LIBS"

  1463                 SUMMARY_video="${SUMMARY_video} wayland"

  1464             fi

  1465             have_video=yes

  1466         fi

  1467     fi

  1468 }

  1470 dnl Check for Mir

  1471 CheckMir()

  1472 {

  1473     AC_ARG_ENABLE(video-mir,

  1474 AC_HELP_STRING([--enable-video-mir], [use Mir video driver [[default=no]]]),

  1475                   ,enable_video_mir=no)

  1477     if test x$enable_video = xyes -a x$enable_video_mir = xyes; then

  1478         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)

  1479         AC_MSG_CHECKING(for Mir support)

  1480         video_mir=no

  1481         if test x$PKG_CONFIG != xno; then

  1482             if $PKG_CONFIG --exists mirclient egl xkbcommon ; then

  1483                 MIR_CFLAGS=`$PKG_CONFIG --cflags mirclient egl xkbcommon`

  1484                 MIR_LIBS=`$PKG_CONFIG --libs mirclient egl xkbcommon`

  1485                 save_CFLAGS="$CFLAGS"

  1486                 CFLAGS="$save_CFLAGS $MIR_CFLAGS"

  1488                 dnl This will disable Mir if >= v0.26 is not available

  1489                 AC_TRY_COMPILE([

  1490                 #include <mir_toolkit/mir_client_library.h>

  1491                 ],[

  1492                     MirWindowAttrib attrib = mir_window_attrib_state

  1493                 ],[

  1494                 video_mir=yes

  1495                 ])

  1496                 CFLAGS="$save_CFLAGS"

  1497             fi

  1498         fi

  1499         AC_MSG_RESULT($video_mir)

  1501         if test x$video_mir = xyes; then

  1502             AC_DEFINE(SDL_VIDEO_DRIVER_MIR, 1, [ ])

  1503             SOURCES="$SOURCES $srcdir/src/video/mir/*.c"

  1504             EXTRA_CFLAGS="$EXTRA_CFLAGS $MIR_CFLAGS"

  1505             AC_ARG_ENABLE(mir-shared,

  1506 AC_HELP_STRING([--enable-mir-shared], [dynamically load Mir support [[default=maybe]]]),

  1507                           , enable_mir_shared=maybe)

  1509             dnl FIXME: Do BSD and OS X need special cases?

  1510             case "$host" in

  1511                 *)

  1512                     mirclient_lib=[`find_lib "libmirclient.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]

  1513                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]

  1514                     ;;

  1515             esac

  1517             if test x$enable_mir_shared = xmaybe; then

  1518                 enable_mir_shared=yes

  1519             fi

  1520             if test x$have_loadso != xyes && \

  1521                test x$enable_mir_shared = xyes; then

  1522                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Mir loading])

  1523                 enable_mir_shared=no

  1524             fi

  1525             if test x$have_loadso = xyes && \

  1526                test x$enable_mir_shared = xyes && \

  1527                test x$mirclient_lib != x && \

  1528                test x$xkbcommon_lib != x; then

  1529                 echo "-- dynamic libmirclient -> $mirclient_lib"

  1530                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"

  1531                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC, "$mirclient_lib", [ ])

  1532                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])

  1533                 SUMMARY_video="${SUMMARY_video} mir(dynamic)"

  1534             else

  1535                 enable_mir_shared=no

  1536                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MIR_LIBS"

  1537                 SUMMARY_video="${SUMMARY_video} mir"

  1538             fi

  1539             have_video=yes

  1540         fi

  1541     fi

  1542 }

  1544 dnl Check for Native Client stuff

  1545 CheckNativeClient()

  1546 {

  1547         AC_TRY_COMPILE([

  1548           #if !defined(__native_client__)

  1549           #error "NO NACL"

  1550           #endif

  1551         ],[

  1552         ],[

  1553         AC_DEFINE(SDL_VIDEO_DRIVER_NACL, 1, [ ])

  1554         AC_DEFINE(SDL_AUDIO_DRIVER_NACL, 1, [ ])

  1555         AC_DEFINE(HAVE_POW, 1, [ ])

  1556         AC_DEFINE(HAVE_OPENGLES2, 1, [ ])

  1557         AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])

  1558         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])

  1560         SDL_LIBS="-lppapi_simple -lppapi_gles2 $SDL_LIBS"

  1562         SDLMAIN_SOURCES="$srcdir/src/main/nacl/*.c"

  1563         SOURCES="$SOURCES $srcdir/src/audio/nacl/*.c"

  1564         SUMMARY_audio="${SUMMARY_audio} nacl"

  1565         SOURCES="$SOURCES $srcdir/src/video/nacl/*.c"

  1566         SUMMARY_video="${SUMMARY_video} nacl opengles2"

  1567         ])

  1568 }

  1571 CheckRPI()

  1572 {

  1573     AC_ARG_ENABLE(video-rpi,

  1574 AC_HELP_STRING([--enable-video-rpi], [use Raspberry Pi video driver [[default=yes]]]),

  1575                   , enable_video_rpi=yes)

  1576     if test x$enable_video = xyes -a x$enable_video_rpi = xyes; then

  1577         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)

  1578         if test x$PKG_CONFIG != xno && $PKG_CONFIG --exists bcm_host; then

  1579             RPI_CFLAGS=`$PKG_CONFIG --cflags bcm_host brcmegl`

  1580             RPI_LDFLAGS=`$PKG_CONFIG --libs bcm_host brcmegl`

  1581         elif test x$ARCH = xnetbsd; then

  1582             RPI_CFLAGS="-I/usr/pkg/include -I/usr/pkg/include/interface/vcos/pthreads -I/usr/pkg/include/interface/vmcs_host/linux"

  1583             RPI_LDFLAGS="-Wl,-R/usr/pkg/lib -L/usr/pkg/lib -lbcm_host"

  1584         else

  1585             RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"

  1586             RPI_LDFLAGS="-Wl,-rpath,/opt/vc/lib -L/opt/vc/lib -lbcm_host"

  1587         fi

  1589         # Save the original compiler flags and libraries

  1590         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"

  1592         # Add the Raspberry Pi compiler flags and libraries

  1593         CFLAGS="$CFLAGS $RPI_CFLAGS"; LIBS="$LIBS $RPI_LDFLAGS"

  1595         AC_MSG_CHECKING(for Raspberry Pi)

  1596         have_video_rpi=no

  1597         AC_TRY_LINK([

  1598           #include <bcm_host.h>

  1599         ],[

  1600           bcm_host_init();

  1601         ],[

  1602         have_video_rpi=yes

  1603         ],[

  1604         ])

  1605         AC_MSG_RESULT($have_video_rpi)

  1607         # Restore the compiler flags and libraries

  1608         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"

  1610         if test x$have_video_rpi = xyes; then

  1611             CFLAGS="$CFLAGS $RPI_CFLAGS"

  1612             SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"

  1613             EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"

  1614             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $RPI_LDFLAGS"

  1615             SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"

  1616             AC_DEFINE(SDL_VIDEO_DRIVER_RPI, 1, [ ])

  1617             SUMMARY_video="${SUMMARY_video} rpi"

  1618         fi

  1619     fi

  1620 }

  1622 dnl Find the X11 include and library directories

  1623 CheckX11()

  1624 {

  1625     AC_ARG_ENABLE(video-x11,

  1626 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),

  1627                   , enable_video_x11=yes)

  1628     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then

  1629         case "$host" in

  1630             *-*-darwin*)

  1631                 # This isn't necessary for X11, but fixes GLX detection

  1632                 if test "x$x_includes" = xNONE && \

  1633                    test "x$x_libraries" = xNONE && \

  1634                    test -d /usr/X11R6/include && \

  1635                    test -d /usr/X11R6/lib; then

  1636                     x_includes="/usr/X11R6/include"

  1637                     x_libraries="/usr/X11R6/lib"

  1638                 fi

  1639                 ;;

  1640         esac

  1641         AC_PATH_X

  1642         AC_PATH_XTRA

  1643         if test x$have_x = xyes; then

  1644             AC_ARG_ENABLE(x11-shared,

  1645 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),

  1646                           , enable_x11_shared=maybe)

  1648             case "$host" in

  1649                 *-*-darwin*)

  1650                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'

  1651                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'

  1652                     xcursor_lib='/usr/X11R6/lib/libXcursor.1.dylib'

  1653                     xinerama_lib='/usr/X11R6/lib/libXinerama.1.dylib'

  1654                     xinput_lib='/usr/X11R6/lib/libXi.6.dylib'

  1655                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'

  1656                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'

  1657                     xss_lib='/usr/X11R6/lib/libXss.1.dylib'

  1658                     xvidmode_lib='/usr/X11R6/lib/libXxf86vm.1.dylib'

  1659                     ;;

  1660                 *-*-openbsd*)

  1661                     x11_lib='libX11.so'

  1662                     x11ext_lib='libXext.so'

  1663                     xcursor_lib='libXcursor.so'

  1664                     xinerama_lib='libXinerama.so'

  1665                     xinput_lib='libXi.so'

  1666                     xrandr_lib='libXrandr.so'

  1667                     xrender_lib='libXrender.so'

  1668                     xss_lib='libXss.so'

  1669                     xvidmode_lib='libXxf86vm.so'

  1670                     ;;

  1671                 *)

  1672                     x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]

  1673                     x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]

  1674                     xcursor_lib=[`find_lib "libXcursor.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]

  1675                     xinerama_lib=[`find_lib "libXinerama.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]

  1676                     xinput_lib=[`find_lib "libXi.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]

  1677                     xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]

  1678                     xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]

  1679                     xss_lib=[`find_lib "libXss.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]

  1680                     xvidmode_lib=[`find_lib "libXxf86vm.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]

  1681                     ;;

  1682             esac

  1684             if test x$ac_cv_func_shmat != xyes; then

  1685                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"

  1686             fi

  1687             CFLAGS="$CFLAGS $X_CFLAGS"

  1688             LDFLAGS="$LDFLAGS $X_LIBS"

  1690             AC_CHECK_HEADER(X11/extensions/Xext.h,

  1691                             have_xext_h_hdr=yes,

  1692                             have_xext_h_hdr=no,

  1693                             [#include <X11/Xlib.h>

  1694                              #include <X11/Xproto.h>

  1695                             ])

  1696             if test x$have_xext_h_hdr != xyes; then

  1697                AC_MSG_ERROR([

  1698 *** Missing Xext.h, maybe you need to install the libxext-dev package?

  1699                ])

  1700             fi

  1702             AC_DEFINE(SDL_VIDEO_DRIVER_X11, 1, [ ])

  1703             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"

  1704             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"

  1706             # Needed so SDL applications can include SDL_syswm.h

  1707             SDL_CFLAGS="$SDL_CFLAGS $X_CFLAGS"

  1709             if test x$enable_x11_shared = xmaybe; then

  1710                 enable_x11_shared=yes

  1711             fi

  1712             if test x$have_loadso != xyes && \

  1713                test x$enable_x11_shared = xyes; then

  1714                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])

  1715                 enable_x11_shared=no

  1716             fi

  1717             if test x$have_loadso = xyes && \

  1718                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then

  1719                 echo "-- dynamic libX11 -> $x11_lib"

  1720                 echo "-- dynamic libX11ext -> $x11ext_lib"

  1721                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib", [ ])

  1722                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib", [ ])

  1723                 SUMMARY_video="${SUMMARY_video} x11(dynamic)"

  1724             else

  1725                 enable_x11_shared=no

  1726                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"

  1727                 SUMMARY_video="${SUMMARY_video} x11"

  1728             fi

  1729             have_video=yes

  1731             AC_MSG_CHECKING(for const parameter to XextAddDisplay)

  1732             have_const_param_XextAddDisplay=no

  1733             AC_TRY_COMPILE([

  1734               #include <X11/Xlib.h>

  1735               #include <X11/Xproto.h>

  1736               #include <X11/extensions/Xext.h>

  1737               #include <X11/extensions/extutil.h>

  1738               extern XExtDisplayInfo* XextAddDisplay(XExtensionInfo* a,Display* b,_Xconst char* c,XExtensionHooks* d,int e,XPointer f);

  1739             ],[

  1740             ],[

  1741             have_const_param_XextAddDisplay=yes

  1742             AC_DEFINE([SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY], 1, [ ])

  1743             ])

  1744             AC_MSG_RESULT($have_const_param_XextAddDisplay)

  1746             dnl AC_CHECK_LIB(X11, XGetEventData, AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS, 1, [Have XGenericEvent]))

  1747             AC_MSG_CHECKING([for XGenericEvent])

  1748             have_XGenericEvent=no

  1749             AC_TRY_COMPILE([

  1750               	#include <X11/Xlib.h>

  1751             ],[

  1752 Display *display;

  1753 XEvent event;

  1754 XGenericEventCookie *cookie = &event.xcookie;

  1755 XNextEvent(display, &event);

  1756 XGetEventData(display, cookie);

  1757 XFreeEventData(display, cookie);

  1758             ],[

  1759                 have_XGenericEvent=yes

  1760                 AC_DEFINE([SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS], 1, [ ])

  1761             ])

  1762             AC_MSG_RESULT($have_XGenericEvent)

  1764             AC_CHECK_LIB(X11, XkbKeycodeToKeysym, AC_DEFINE(SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM, 1, [Have XkbKeycodeToKeysym]))

  1766             AC_ARG_ENABLE(video-x11-xcursor,

  1767 AC_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [[default=yes]]]),

  1768                             , enable_video_x11_xcursor=yes)

  1769             if test x$enable_video_x11_xcursor = xyes; then

  1770                 definitely_enable_video_x11_xcursor=no

  1771                 AC_CHECK_HEADER(X11/Xcursor/Xcursor.h,

  1772                                 have_xcursor_h_hdr=yes,

  1773                                 have_xcursor_h_hdr=no,

  1774                                 [#include <X11/Xlib.h>

  1775                                 ])

  1776                 if test x$have_xcursor_h_hdr = xyes; then

  1777                     if test x$enable_x11_shared = xyes && test x$xcursor_lib != x ; then

  1778                         echo "-- dynamic libXcursor -> $xcursor_lib"

  1779                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR, "$xcursor_lib", [ ])

  1780                         definitely_enable_video_x11_xcursor=yes

  1781                     else

  1782                         AC_CHECK_LIB(Xcursor, XcursorImageCreate, have_xcursor_lib=yes)

  1783                         if test x$have_xcursor_lib = xyes ; then

  1784                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXcursor"

  1785                             definitely_enable_video_x11_xcursor=yes

  1786                         fi

  1787                     fi

  1788                 fi

  1789             fi

  1790             if test x$definitely_enable_video_x11_xcursor = xyes; then

  1791                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XCURSOR, 1, [ ])

  1792                 SUMMARY_video_x11="${SUMMARY_video_x11} xcursor"

  1793             fi

  1794             AC_ARG_ENABLE(video-x11-xdbe,

  1795 AC_HELP_STRING([--enable-video-x11-xdbe], [enable X11 Xdbe support [[default=yes]]]),

  1796                             , enable_video_x11_xdbe=yes)

  1797             if test x$enable_video_x11_xdbe = xyes; then

  1798                 AC_CHECK_HEADER(X11/extensions/Xdbe.h,

  1799                                 have_dbe_h_hdr=yes,

  1800                                 have_dbe_h_hdr=no,

  1801                                 [#include <X11/Xlib.h>

  1802                                 ])

  1803                 if test x$have_dbe_h_hdr = xyes; then

  1804                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XDBE, 1, [ ])

  1805                     SUMMARY_video_x11="${SUMMARY_video_x11} xdbe"

  1806                 fi

  1807             fi

  1808             AC_ARG_ENABLE(video-x11-xinerama,

  1809 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),

  1810                             , enable_video_x11_xinerama=yes)

  1811             if test x$enable_video_x11_xinerama = xyes; then

  1812                 definitely_enable_video_x11_xinerama=no

  1813                 AC_CHECK_HEADER(X11/extensions/Xinerama.h,

  1814                                 have_xinerama_h_hdr=yes,

  1815                                 have_xinerama_h_hdr=no,

  1816                                 [#include <X11/Xlib.h>

  1817                                 ])

  1818                 if test x$have_xinerama_h_hdr = xyes; then

  1819                     if test x$enable_x11_shared = xyes && test x$xinerama_lib != x ; then

  1820                         echo "-- dynamic libXinerama -> $xinerama_lib"

  1821                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA, "$xinerama_lib", [ ])

  1822                         definitely_enable_video_x11_xinerama=yes

  1823                     else

  1824                         AC_CHECK_LIB(Xinerama, XineramaQueryExtension, have_xinerama_lib=yes)

  1825                         if test x$have_xinerama_lib = xyes ; then

  1826                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXinerama"

  1827                             definitely_enable_video_x11_xinerama=yes

  1828                         fi

  1829                     fi

  1830                 fi

  1831             fi

  1832             if test x$definitely_enable_video_x11_xinerama = xyes; then

  1833                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA, 1, [ ])

  1834                 SUMMARY_video_x11="${SUMMARY_video_x11} xinerama"

  1835             fi

  1836             AC_ARG_ENABLE(video-x11-xinput,

  1837 AC_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [[default=yes]]]),

  1838                             , enable_video_x11_xinput=yes)

  1839             if test x$enable_video_x11_xinput = xyes; then

  1840                 definitely_enable_video_x11_xinput=no

  1841                 AC_CHECK_HEADER(X11/extensions/XInput2.h,

  1842                                 have_xinput_h_hdr=yes,

  1843                                 have_xinput_h_hdr=no,

  1844                                 [#include <X11/Xlib.h>

  1845                                 ])

  1846                 if test x$have_xinput_h_hdr = xyes; then

  1847                     if test x$enable_x11_shared = xyes && test x$xinput_lib != x ; then

  1848                         echo "-- dynamic libXi -> $xinput_lib"

  1849                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2, "$xinput_lib", [ ])

  1850                         definitely_enable_video_x11_xinput=yes

  1851                     else

  1852                         AC_CHECK_LIB(Xi, XOpenDevice, have_xinput_lib=yes)

  1853                         if test x$have_xinput_lib = xyes ; then

  1854                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXi"

  1855                             definitely_enable_video_x11_xinput=yes

  1856                         fi

  1857                     fi

  1858                 fi

  1859             fi

  1860             if test x$definitely_enable_video_x11_xinput = xyes; then

  1861                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2"

  1862                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2, 1, [ ])

  1863                 AC_MSG_CHECKING(for xinput2 multitouch)

  1864             	have_xinput2_multitouch=no

  1865             	AC_TRY_COMPILE([

  1866               		#include <X11/Xlib.h>

  1867              		#include <X11/Xproto.h>

  1868 			#include <X11/extensions/XInput2.h>

  1869             	],[

  1870 int event_type = XI_TouchBegin;

  1871 XITouchClassInfo *t;

  1872             	],[

  1873             	have_xinput2_multitouch=yes

  1874             	AC_DEFINE([SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH], 1, [])

  1875                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2_multitouch"

  1876             	])

  1877             	AC_MSG_RESULT($have_xinput2_multitouch)

  1878             fi

  1879             AC_ARG_ENABLE(video-x11-xrandr,

  1880 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),

  1881                             , enable_video_x11_xrandr=yes)

  1882             if test x$enable_video_x11_xrandr = xyes; then

  1883                 dnl XRRScreenResources is only present in Xrandr >= 1.2, we use that as a test.

  1884                 definitely_enable_video_x11_xrandr=no

  1885                 have_xrandr_h_hdr=no

  1886                 AC_TRY_COMPILE([

  1887                 #include <X11/Xlib.h>

  1888                 #include <X11/extensions/Xrandr.h>

  1889                 ],[

  1890                 XRRScreenResources *res = NULL;

  1891                 ],[

  1892                 have_xrandr_h_hdr=yes

  1893                 ])

  1894                 if test x$have_xrandr_h_hdr = xyes; then

  1895                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then

  1896                         echo "-- dynamic libXrandr -> $xrandr_lib"

  1897                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib", [ ])

  1898                         definitely_enable_video_x11_xrandr=yes

  1899                     else

  1900                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)

  1901                         if test x$have_xrandr_lib = xyes ; then

  1902                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr"

  1903                             definitely_enable_video_x11_xrandr=yes

  1904                         fi

  1905                     fi

  1906                 fi

  1907             fi

  1908             if test x$definitely_enable_video_x11_xrandr = xyes; then

  1909                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR, 1, [ ])

  1910                 SUMMARY_video_x11="${SUMMARY_video_x11} xrandr"

  1911             fi

  1912             AC_ARG_ENABLE(video-x11-scrnsaver,

  1913 AC_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [[default=yes]]]),

  1914                             , enable_video_x11_scrnsaver=yes)

  1915             if test x$enable_video_x11_scrnsaver = xyes; then

  1916                 AC_CHECK_HEADER(X11/extensions/scrnsaver.h,

  1917                                 have_scrnsaver_h_hdr=yes,

  1918                                 have_scrnsaver_h_hdr=no,

  1919                                 [#include <X11/Xlib.h>

  1920                                 ])

  1921                 if test x$have_scrnsaver_h_hdr = xyes; then

  1922                     if test x$enable_x11_shared = xyes && test x$xss_lib != x ; then

  1923                         echo "-- dynamic libXss -> $xss_lib"

  1924                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS, "$xss_lib", [ ])

  1925                         definitely_enable_video_x11_scrnsaver=yes

  1926                     else

  1927                         AC_CHECK_LIB(Xss, XScreenSaverSuspend, have_xss_lib=yes)

  1928                         if test x$have_xss_lib = xyes ; then

  1929                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXss"

  1930                             definitely_enable_video_x11_scrnsaver=yes

  1931                         fi

  1932                     fi

  1933                 fi

  1934             fi

  1935             if test x$definitely_enable_video_x11_scrnsaver = xyes; then

  1936                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSCRNSAVER, 1, [ ])

  1937                 SUMMARY_video_x11="${SUMMARY_video_x11} xscrnsaver"

  1938             fi

  1939             AC_ARG_ENABLE(video-x11-xshape,

  1940 AC_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [[default=yes]]]),

  1941                             , enable_video_x11_xshape=yes)

  1942             if test x$enable_video_x11_xshape = xyes; then

  1943                 AC_CHECK_HEADER(X11/extensions/shape.h,

  1944                                 have_shape_h_hdr=yes,

  1945                                 have_shape_h_hdr=no,

  1946                                 [#include <X11/Xlib.h>

  1947                                 ])

  1948                 if test x$have_shape_h_hdr = xyes; then

  1949                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSHAPE, 1, [ ])

  1950                     SUMMARY_video_x11="${SUMMARY_video_x11} xshape"

  1951                 fi

  1952             fi

  1953             AC_ARG_ENABLE(video-x11-vm,

  1954 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),

  1955                             , enable_video_x11_vm=yes)

  1956             if test x$enable_video_x11_vm = xyes; then

  1957                 definitely_enable_video_x11_vm=no

  1958                 AC_CHECK_HEADER(X11/extensions/xf86vmode.h,

  1959                                 have_vm_h_hdr=yes,

  1960                                 have_vm_h_hdr=no,

  1961                                 [#include <X11/Xlib.h>

  1962                                 ])

  1963                 if test x$have_vm_h_hdr = xyes; then

  1964                     if test x$enable_x11_shared = xyes && test x$xvidmode_lib != x ; then

  1965                         echo "-- dynamic libXxf86vm -> $xvidmode_lib"

  1966                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE, "$xvidmode_lib", [ ])

  1967                         definitely_enable_video_x11_vm=yes

  1968                     else

  1969                         AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, have_vm_lib=yes)

  1970                         if test x$have_vm_lib = xyes ; then

  1971                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXxf86vm"

  1972                             definitely_enable_video_x11_vm=yes

  1973                         fi

  1974                     fi

  1975                 fi

  1976             fi

  1977             if test x$definitely_enable_video_x11_vm = xyes; then

  1978                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XVIDMODE, 1, [ ])

  1979                 SUMMARY_video_x11="${SUMMARY_video_x11} xvidmode"

  1980             fi

  1981         fi

  1982     fi

  1983 }

  1985 dnl Set up the Vivante video driver if enabled

  1986 CheckVivanteVideo()

  1987 {

  1988     AC_ARG_ENABLE(video-vivante,

  1989 AC_HELP_STRING([--enable-video-vivante], [use Vivante EGL video driver [[default=yes]]]),

  1990                   , enable_video_vivante=yes)

  1991     if test x$enable_video = xyes -a x$enable_video_vivante = xyes; then

  1992         AC_MSG_CHECKING(for Vivante VDK API)

  1993         have_vivante_vdk=no

  1994         AC_TRY_COMPILE([

  1995           #define LINUX

  1996           #define EGL_API_FB

  1997           #include <gc_vdk.h>

  1998         ],[

  1999         ],[

  2000         have_vivante_vdk=yes

  2001         ])

  2002         AC_MSG_RESULT($have_vivante_vdk)

  2004         AC_MSG_CHECKING(for Vivante FB API)

  2005         have_vivante_egl=no

  2006         AC_TRY_COMPILE([

  2007           #define LINUX

  2008           #define EGL_API_FB

  2009           #include <EGL/eglvivante.h>

  2010         ],[

  2011         ],[

  2012         have_vivante_egl=yes

  2013         ])

  2014         AC_MSG_RESULT($have_vivante_egl)

  2016         if test x$have_vivante_vdk = xyes -o x$have_vivante_egl = xyes; then

  2017             AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE, 1, [ ])

  2018             EXTRA_CFLAGS="$EXTRA_CFLAGS -DLINUX -DEGL_API_FB"

  2019             if test x$have_vivante_vdk = xyes; then

  2020                 AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE_VDK, 1, [ ])

  2021                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lVDK"

  2022             fi

  2023             SOURCES="$SOURCES $srcdir/src/video/vivante/*.c"

  2024             SUMMARY_video="${SUMMARY_video} vivante"

  2025             have_video=yes

  2026         fi

  2027     fi

  2028 }

  2030 dnl Set up the Haiku video driver if enabled

  2031 CheckHaikuVideo()

  2032 {

  2033     if test x$enable_video = xyes; then

  2034         AC_DEFINE(SDL_VIDEO_DRIVER_HAIKU, 1, [ ])

  2035         SOURCES="$SOURCES $srcdir/src/video/haiku/*.cc"

  2036         have_video=yes

  2037         SUMMARY_video="${SUMMARY_video} haiku"

  2038     fi

  2039 }

  2041 dnl Set up the Cocoa video driver for Mac OS X (but not Darwin)

  2042 CheckCOCOA()

  2043 {

  2044     AC_ARG_ENABLE(video-cocoa,

  2045 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]]),

  2046                   , enable_video_cocoa=yes)

  2047     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then

  2048         save_CFLAGS="$CFLAGS"

  2049         dnl Work around that we don't have Objective-C support in autoconf

  2050         CFLAGS="$CFLAGS -x objective-c"

  2051         AC_MSG_CHECKING(for Cocoa framework)

  2052         have_cocoa=no

  2053         AC_TRY_COMPILE([

  2054           #import <Cocoa/Cocoa.h>

  2055         ],[

  2056         ],[

  2057         have_cocoa=yes

  2058         ])

  2059         AC_MSG_RESULT($have_cocoa)

  2060         CFLAGS="$save_CFLAGS"

  2061         if test x$have_cocoa = xyes; then

  2062             AC_DEFINE(SDL_VIDEO_DRIVER_COCOA, 1, [ ])

  2063             SOURCES="$SOURCES $srcdir/src/video/cocoa/*.m"

  2064             SUMMARY_video="${SUMMARY_video} cocoa"

  2065             have_video=yes

  2066         fi

  2067     fi

  2068 }

  2070 CheckMETAL()

  2071 {

  2072     AC_ARG_ENABLE(render-metal,

  2073 AC_HELP_STRING([--enable-render-metal], [enable the Metal render driver [[default=yes]]]),

  2074                                 , enable_render_metal=yes)

  2075     if test x$enable_render = xyes -a x$enable_render_metal = xyes; then

  2076         save_CFLAGS="$CFLAGS"

  2077         dnl Work around that we don't have Objective-C support in autoconf

  2078         CFLAGS="$CFLAGS -x objective-c"

  2079         AC_MSG_CHECKING(for Metal framework)

  2080         have_metal=no

  2081         AC_TRY_COMPILE([

  2082           #import <Cocoa/Cocoa.h>

  2083           #import <Metal/Metal.h>

  2084           #import <QuartzCore/CAMetalLayer.h>

  2086           #if !TARGET_CPU_X86_64

  2087           #error Metal doesn't work on this configuration

  2088           #endif

  2089         ],[

  2090         ],[

  2091         have_metal=yes

  2092         ])

  2093         CFLAGS="$save_CFLAGS"

  2094         AC_MSG_RESULT($have_metal)

  2095         if test x$have_metal = xyes; then

  2096             AC_DEFINE(SDL_VIDEO_RENDER_METAL, 1, [ ])

  2097             SOURCES="$SOURCES $srcdir/src/render/metal/*.m"

  2098             SUMMARY_video="${SUMMARY_video} metal"

  2099         else

  2100             enable_render_metal=no

  2101         fi

  2102     fi

  2103 }

  2106 dnl Find DirectFB

  2107 CheckDirectFB()

  2108 {

  2109     AC_ARG_ENABLE(video-directfb,

  2110 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),

  2111                   , enable_video_directfb=no)

  2112     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then

  2113         video_directfb=no

  2115         DIRECTFB_REQUIRED_VERSION=1.0.0

  2116         AC_PATH_PROGS(DIRECTFBCONFIG, directfb-config, no, [$prefix/bin:$PATH])

  2117         if test x$DIRECTFBCONFIG = xno; then

  2118             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)

  2119             if test x$PKG_CONFIG != xno; then

  2120                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then

  2121                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`

  2122                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`

  2123                     DIRECTFB_PREFIX=`$PKG_CONFIG --variable=prefix directfb`

  2124                     video_directfb=yes

  2125                 fi

  2126             fi

  2127         else

  2128             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`

  2129             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`

  2130             set -- `$DIRECTFBCONFIG --version | sed 's/\./ /g'`

  2131             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`

  2132             if test $HAVE_VERSION -ge $NEED_VERSION; then

  2133                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`

  2134                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`

  2135                 DIRECTFB_PREFIX=`$DIRECTFBCONFIG --prefix`

  2136                 video_directfb=yes

  2137             fi

  2138         fi

  2139         if test x$video_directfb = xyes; then

  2140             # SuSE 11.1 installs directfb-config without directfb-devel

  2141             save_CPPFLAGS="$CPPFLAGS"

  2142             CPPFLAGS="$CPPFLAGS $DIRECTFB_CFLAGS"

  2143             AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no)

  2144             CPPFLAGS="$save_CPPFLAGS"

  2145             video_directfb=$have_directfb_hdr

  2146         fi

  2147         AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)

  2148         AC_MSG_RESULT($video_directfb)

  2150         if test x$video_directfb = xyes; then

  2151             AC_ARG_ENABLE(directfb-shared,

  2152 AC_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [[default=yes]]]),

  2153                               , enable_directfb_shared=yes)

  2155             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB, 1, [ ])

  2156             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"

  2157             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"

  2159             AC_MSG_CHECKING(for directfb dynamic loading support)

  2160             directfb_shared=no

  2161             directfb_lib=[`find_lib "libdirectfb*.so.*" "$DIRECTFB_LIBS"`]

  2162             # | sed 's/.*\/\(.*\)/\1/; q'`]

  2163 AC_MSG_WARN("directfb $directfb_lib")

  2164             if test x$have_loadso != xyes && \

  2165                test x$enable_directfb_shared = xyes; then

  2166                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic directfb loading])

  2167             fi

  2168             if test x$have_loadso = xyes && \

  2169                test x$enable_directfb_shared = xyes && test x$directfb_lib != x; then

  2170                 directfb_shared=yes

  2171                 echo "-- $directfb_lib_spec -> $directfb_lib"

  2172                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC, "$directfb_lib", [ ])

  2173                 SUMMARY_video="${SUMMARY_video} directfb(dynamic)"

  2174             else

  2175                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"

  2176                 SUMMARY_video="${SUMMARY_video} directfb"

  2177             fi

  2178             AC_MSG_RESULT($directfb_shared)

  2179             SDL_CFLAGS="$SDL_CFLAGS $DIRECTFB_CFLAGS"

  2180             have_video=yes

  2181         fi

  2182     fi

  2183 }

  2185 dnl Find KMSDRM

  2186 CheckKMSDRM()

  2187 {

  2188     AC_ARG_ENABLE(video-kmsdrm,

  2189 AC_HELP_STRING([--enable-video-kmsdrm], [use KMSDRM video driver [[default=no]]]),

  2190                   , enable_video_kmsdrm=no)

  2192     if test x$enable_video = xyes -a x$enable_video_kmsdrm = xyes; then

  2193         video_kmsdrm=no

  2194         libdrm_avail=no

  2195         libgbm_avail=no

  2197         LIBDRM_REQUIRED_VERSION=2.4.46

  2198         LIBGBM_REQUIRED_VERSION=9.0.0

  2200         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)

  2201         if test x$PKG_CONFIG != xno; then

  2202             if $PKG_CONFIG --atleast-pkgconfig-version 0.7; then

  2203                 if $PKG_CONFIG --atleast-version $LIBDRM_REQUIRED_VERSION libdrm; then

  2204                     LIBDRM_CFLAGS=`$PKG_CONFIG --cflags libdrm`

  2205                     LIBDRM_LIBS=`$PKG_CONFIG --libs libdrm`

  2206                     LIBDRM_PREFIX=`$PKG_CONFIG --variable=prefix libdrm`

  2207                     libdrm_avail=yes

  2208                 fi

  2209                 if $PKG_CONFIG --atleast-version $LIBGBM_REQUIRED_VERSION gbm; then

  2210                     LIBGBM_CFLAGS=`$PKG_CONFIG --cflags gbm`

  2211                     LIBGBM_LIBS=`$PKG_CONFIG --libs gbm`

  2212                     LIBGBM_PREFIX=`$PKG_CONFIG --variable=prefix gbm`

  2213                     libgbm_avail=yes

  2214                 fi

  2215                 if test x$libdrm_avail = xyes -a x$libgbm_avail = xyes; then

  2216                     video_kmsdrm=yes

  2217                 fi

  2219                 AC_MSG_CHECKING(for libdrm $LIBDRM_REQUIRED_VERSION library for kmsdrm support)

  2220                 AC_MSG_RESULT($libdrm_avail)

  2221                 AC_MSG_CHECKING(for libgbm $LIBGBM_REQUIRED_VERSION library for kmsdrm support)

  2222                 AC_MSG_RESULT($libgbm_avail)

  2224                 if test x$video_kmsdrm = xyes; then

  2225                     AC_ARG_ENABLE(kmsdrm-shared,

  2226 AC_HELP_STRING([--enable-kmsdrm-shared], [dynamically load kmsdrm support [[default=yes]]]),

  2227                               , enable_kmsdrm_shared=yes)

  2229                     AC_DEFINE(SDL_VIDEO_DRIVER_KMSDRM, 1, [ ])

  2230                     SOURCES="$SOURCES $srcdir/src/video/kmsdrm/*.c"

  2231                     EXTRA_CFLAGS="$EXTRA_CFLAGS $LIBDRM_CFLAGS $LIBGBM_CFLAGS"

  2233                     AC_MSG_CHECKING(for kmsdrm dynamic loading support)

  2234                     kmsdrm_shared=no

  2235                     drm_lib=[`find_lib "libdrm.so.*" "$DRM_LIBS"`]

  2236                     gbm_lib=[`find_lib "libgbm.so.*" "$DRM_LIBS"`]

  2237                     if test x$have_loadso != xyes && \

  2238                        test x$enable_kmsdrm_shared = xyes; then

  2239                         AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic kmsdrm loading])

  2240                     fi

  2241                     if test x$have_loadso = xyes && \

  2242                        test x$enable_kmsdrm_shared = xyes && test x$drm_lib != x && test x$gbm_lib != x; then

  2243                         kmsdrm_shared=yes

  2244                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC, "$drm_lib", [ ])

  2245                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC_GBM, "$gbm_lib", [ ])

  2246                         AC_DEFINE_UNQUOTED(HAVE_KMSDRM_SHARED, "TRUE", [ ])

  2247                         SUMMARY_video="${SUMMARY_video} kmsdrm(dynamic)"

  2248                     else

  2249                         EXTRA_LDFLAGS="$EXTRA_LDFLAGS $LIBDRM_LIBS $LIBGBM_LIBS"

  2250                         SUMMARY_video="${SUMMARY_video} kmsdrm"

  2251                     fi

  2252                     AC_MSG_RESULT($kmsdrm_shared)

  2253                     have_video=yes

  2254                 fi

  2255             fi

  2256         fi

  2257     fi

  2258 }

  2260 dnl rcg04172001 Set up the Null video driver.

  2261 CheckDummyVideo()

  2262 {

  2263     AC_ARG_ENABLE(video-dummy,

  2264 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),

  2265                   , enable_video_dummy=yes)

  2266     if test x$enable_video_dummy = xyes; then

  2267         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ])

  2268         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"

  2269         have_video=yes

  2270         SUMMARY_video="${SUMMARY_video} dummy"

  2271     fi

  2272 }

  2274 dnl Set up the QNX video driver if enabled

  2275 CheckQNXVideo()

  2276 {

  2277     if test x$enable_video = xyes; then

  2278         AC_DEFINE(SDL_VIDEO_DRIVER_QNX, 1, [ ])

  2279         SOURCES="$SOURCES $srcdir/src/video/qnx/*.c"

  2280         have_video=yes

  2281         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lscreen -lEGL -lGLESv2"

  2282         SUMMARY_video="${SUMMARY_video} qnx"

  2283     fi

  2284 }

  2286 dnl Set up the QNX audio driver if enabled

  2287 CheckQNXAudio()

  2288 {

  2289     if test x$enable_audio = xyes; then

  2290         AC_DEFINE(SDL_AUDIO_DRIVER_QSA, 1, [ ])

  2291         SOURCES="$SOURCES $srcdir/src/audio/qsa/*.c"

  2292         have_audio=yes

  2293         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lasound"

  2294         SUMMARY_audio="${SUMMARY_audio} qsa"

  2295     fi

  2296 }

  2298 dnl Check to see if OpenGL support is desired

  2299 AC_ARG_ENABLE(video-opengl,

  2300 AC_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),

  2301               , enable_video_opengl=yes)

  2303 dnl Find OpenGL

  2304 CheckOpenGLX11()

  2305 {

  2306     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then

  2307         AC_MSG_CHECKING(for OpenGL (GLX) support)

  2308         video_opengl=no

  2309         AC_TRY_COMPILE([

  2310          #include <GL/gl.h>

  2311          #include <GL/glx.h>

  2312         ],[

  2313         ],[

  2314         video_opengl=yes

  2315         ])

  2316         AC_MSG_RESULT($video_opengl)

  2317         if test x$video_opengl = xyes; then

  2318             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])

  2319             AC_DEFINE(SDL_VIDEO_OPENGL_GLX, 1, [ ])

  2320             AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])

  2321             SUMMARY_video="${SUMMARY_video} opengl"

  2322         fi

  2323     fi

  2324 }

  2326 dnl Check to see if OpenGL ES support is desired

  2327 AC_ARG_ENABLE(video-opengles,

  2328 AC_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [[default=yes]]]),

  2329               , enable_video_opengles=yes)

  2330 AC_ARG_ENABLE(video-opengles1,

  2331 AC_HELP_STRING([--enable-video-opengles1], [include OpenGL ES 1.1 support [[default=yes]]]),

  2332               , enable_video_opengles1=yes)

  2333 AC_ARG_ENABLE(video-opengles2,

  2334 AC_HELP_STRING([--enable-video-opengles2], [include OpenGL ES 2.0 support [[default=yes]]]),

  2335               , enable_video_opengles2=yes)

  2337 dnl Find OpenGL ES

  2338 CheckOpenGLESX11()

  2339 {

  2340     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then

  2341         AC_MSG_CHECKING(for EGL support)

  2342         video_opengl_egl=no

  2343         AC_TRY_COMPILE([

  2344           #define LINUX

  2345           #define EGL_API_FB

  2346           #include <EGL/egl.h>

  2347           #include <EGL/eglext.h>

  2348         ],[

  2349         ],[

  2350         video_opengl_egl=yes

  2351         ])

  2352         AC_MSG_RESULT($video_opengl_egl)

  2353         if test x$video_opengl_egl = xyes; then

  2354             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])

  2355         fi

  2357         if test x$enable_video_opengles1 = xyes; then

  2358             AC_MSG_CHECKING(for OpenGL ES v1 headers)

  2359             video_opengles_v1=no

  2360             AC_TRY_COMPILE([

  2361              #include <GLES/gl.h>

  2362              #include <GLES/glext.h>

  2363             ],[

  2364             ],[

  2365             video_opengles_v1=yes

  2366             ])

  2367             AC_MSG_RESULT($video_opengles_v1)

  2368             if test x$video_opengles_v1 = xyes; then

  2369                 AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])

  2370                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])

  2371                 SUMMARY_video="${SUMMARY_video} opengl_es1"

  2372             fi

  2373         fi

  2375         if test x$enable_video_opengles2 = xyes; then

  2376             AC_MSG_CHECKING(for OpenGL ES v2 headers)

  2377             video_opengles_v2=no

  2378             AC_TRY_COMPILE([

  2379              #include <GLES2/gl2.h>

  2380              #include <GLES2/gl2ext.h>

  2381             ],[

  2382             ],[

  2383             video_opengles_v2=yes

  2384             ])

  2385             AC_MSG_RESULT($video_opengles_v2)

  2386             if test x$video_opengles_v2 = xyes; then

  2387                 AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])

  2388                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])

  2389                 SUMMARY_video="${SUMMARY_video} opengl_es2"

  2390             fi

  2391         fi

  2392     fi

  2393 }

  2395 dnl Check for Windows OpenGL

  2396 CheckWINDOWSGL()

  2397 {

  2398     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then

  2399         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])

  2400         AC_DEFINE(SDL_VIDEO_OPENGL_WGL, 1, [ ])

  2401         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])

  2402         SUMMARY_video="${SUMMARY_video} opengl"

  2403     fi

  2404 }

  2406 dnl Check for Windows OpenGL

  2407 CheckWINDOWSGLES()

  2408 {

  2409     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then

  2411         AC_MSG_CHECKING(for EGL support)

  2412         video_opengl_egl=no

  2413         AC_TRY_COMPILE([

  2414          #include <EGL/egl.h>

  2415         ],[

  2416         ],[

  2417         video_opengl_egl=yes

  2418         ])

  2419         AC_MSG_RESULT($video_opengl_egl)

  2420         if test x$video_opengl_egl = xyes; then

  2421             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])

  2422             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])

  2423             SUMMARY_video="${SUMMARY_video} opengl_es1"

  2424         fi

  2426         AC_MSG_CHECKING(for OpenGL ES v2 headers)

  2427         video_opengles_v2=no

  2428         AC_TRY_COMPILE([

  2429          #include <GLES2/gl2.h>

  2430          #include <GLES2/gl2ext.h>

  2431         ],[

  2432         ],[

  2433         video_opengles_v2=yes

  2434         ])

  2435         AC_MSG_RESULT($video_opengles_v2)

  2436         if test x$video_opengles_v2 = xyes; then

  2437             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])

  2438             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])

  2439             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])

  2440             SUMMARY_video="${SUMMARY_video} opengl_es2"

  2441         fi

  2442     fi

  2443 }

  2445 dnl Check for Haiku OpenGL

  2446 CheckHaikuGL()

  2447 {

  2448     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then

  2449         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])

  2450         AC_DEFINE(SDL_VIDEO_OPENGL_HAIKU, 1, [ ])

  2451         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])

  2452         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"

  2453         SUMMARY_video="${SUMMARY_video} opengl"

  2454     fi

  2455 }

  2457 dnl Check for MacOS OpenGL

  2458 CheckMacGL()

  2459 {

  2460     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then

  2461         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])

  2462         AC_DEFINE(SDL_VIDEO_OPENGL_CGL, 1, [ ])

  2463         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])

  2464         SUMMARY_video="${SUMMARY_video} opengl"

  2465     fi

  2466 }

  2468 dnl Check for MacOS OpenGLES

  2469 CheckMacGLES()

  2470 {

  2471     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then

  2472         video_opengl_egl=yes

  2473         AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])

  2474         video_opengles_v2=yes

  2475         AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])

  2476         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])

  2477         SUMMARY_video="${SUMMARY_video} opengl_es2"

  2478     fi

  2479 }

  2481 CheckEmscriptenGLES()

  2482 {

  2483     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then

  2484         AC_MSG_CHECKING(for EGL support)

  2485         video_opengl_egl=no

  2486         AC_TRY_COMPILE([

  2487          #include <EGL/egl.h>

  2488         ],[

  2489         ],[

  2490         video_opengl_egl=yes

  2491         ])

  2492         AC_MSG_RESULT($video_opengl_egl)

  2493         if test x$video_opengl_egl = xyes; then

  2494             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])

  2495         fi

  2497         AC_MSG_CHECKING(for OpenGL ES v2 headers)

  2498         video_opengles_v2=no

  2499         AC_TRY_COMPILE([

  2500          #include <GLES2/gl2.h>

  2501          #include <GLES2/gl2ext.h>

  2502         ],[

  2503         ],[

  2504         video_opengles_v2=yes

  2505         ])

  2506         AC_MSG_RESULT($video_opengles_v2)

  2507         if test x$video_opengles_v2 = xyes; then

  2508             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])

  2509             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])

  2510             SUMMARY_video="${SUMMARY_video} opengl_es2"

  2511         fi

  2512     fi

  2513 }

  2515 dnl Check to see if Vulkan support is desired

  2516 AC_ARG_ENABLE(video-vulkan,

  2517 AC_HELP_STRING([--enable-video-vulkan], [include Vulkan support [[default=yes]]]),

  2518               , enable_video_vulkan=yes)

  2520 dnl Find Vulkan Header

  2521 CheckVulkan()

  2522 {

  2523     if test x$enable_video = xyes -a x$enable_video_vulkan = xyes; then

  2524         case "$host" in

  2525             *-*-android*)

  2526                 AC_TRY_COMPILE([

  2527                   #if defined(__ARM_ARCH) && __ARM_ARCH < 7

  2528                   #error Vulkan doesn't work on this configuration

  2529                   #endif

  2530                 ],[

  2531                 ],[

  2532                 ],[

  2533                     enable_video_vulkan=no

  2534                 ])

  2535                 ;;

  2536             *-*-darwin*)

  2537                 save_CFLAGS="$CFLAGS"

  2538                 dnl Work around that we don't have Objective-C support in autoconf

  2539                 CFLAGS="$CFLAGS -x objective-c"

  2540                 AC_TRY_COMPILE([

  2541                   #include <Cocoa/Cocoa.h>

  2542                   #include <Metal/Metal.h>

  2543                   #include <QuartzCore/CAMetalLayer.h>

  2545                   #if !TARGET_CPU_X86_64

  2546                   #error Vulkan doesn't work on this configuration

  2547                   #endif

  2548                 ],[

  2549                 ],[

  2550                 ],[

  2551                     enable_video_vulkan=no

  2552                 ])

  2553                 CFLAGS="$save_CFLAGS"

  2554                 ;;

  2555             *)

  2556                 ;;

  2557         esac

  2558         if test x$enable_video_vulkan = xno; then

  2559             # For reasons I am totally unable to see, I get an undefined macro error if

  2560             # I put this in the AC_TRY_COMPILE.

  2561             AC_MSG_WARN([Vulkan does not work on this configuration.])

  2562         fi

  2563     fi

  2564     if test x$enable_video_vulkan = xyes; then

  2565         AC_DEFINE(SDL_VIDEO_VULKAN, 1, [ ])

  2566         SUMMARY_video="${SUMMARY_video} vulkan"

  2567     fi

  2568 }

  2570 dnl See if we can use the new unified event interface in Linux 2.4

  2571 CheckInputEvents()

  2572 {

  2573     dnl Check for Linux 2.4 unified input event interface support

  2574         AC_MSG_CHECKING(for Linux 2.4 unified input interface)

  2575         use_input_events=no

  2576         AC_TRY_COMPILE([

  2577           #include <linux/input.h>

  2578         ],[

  2579           #ifndef EVIOCGNAME

  2580           #error EVIOCGNAME() ioctl not available

  2581           #endif

  2582         ],[

  2583         use_input_events=yes

  2584         ])

  2585         AC_MSG_RESULT($use_input_events)

  2586         if test x$use_input_events = xyes; then

  2587             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])

  2588             SUMMARY_input="${SUMMARY_input} linuxev"

  2589         fi

  2590 }

  2592 dnl See if we can use the kernel kd.h header

  2593 CheckInputKD()

  2594 {

  2596     AC_MSG_CHECKING(for Linux kd.h)

  2597     use_input_kd=no

  2598     AC_TRY_COMPILE([

  2599       #include <linux/kd.h>

  2600       #include <linux/keyboard.h>

  2601     ],[

  2602         struct kbentry kbe;

  2603         kbe.kb_table = KG_CTRL;

  2604         ioctl(0, KDGKBENT, &kbe);

  2605     ],[

  2606     use_input_kd=yes

  2607     ])

  2608     AC_MSG_RESULT($use_input_kd)

  2609     if test x$use_input_kd = xyes; then

  2610         AC_DEFINE(SDL_INPUT_LINUXKD, 1, [ ])

  2611         SUMMARY_input="${SUMMARY_input} linuxkd"

  2612     fi

  2613 }

  2615 dnl See if the platform offers libudev for device enumeration and hotplugging.

  2616 CheckLibUDev()

  2617 {

  2618     AC_ARG_ENABLE(libudev,

  2619 AC_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),

  2620                         , enable_libudev=yes)

  2621     if test x$enable_libudev = xyes; then

  2622         AC_CHECK_HEADER(libudev.h,

  2623                         have_libudev_h_hdr=yes,

  2624                         have_libudev_h_hdr=no)

  2625         if test x$have_libudev_h_hdr = xyes; then

  2626             AC_DEFINE(HAVE_LIBUDEV_H, 1, [ ])

  2628             udev_lib=[`find_lib "libudev.so.*" "" | sed 's/.*\/\(.*\)/\1/; q'`]

  2629             if test x$udev_lib != x; then

  2630                 echo "-- dynamic udev -> $udev_lib"

  2631                 AC_DEFINE_UNQUOTED(SDL_UDEV_DYNAMIC, "$udev_lib", [ ])

  2632             fi

  2633         fi

  2634     fi

  2635 }

  2637 dnl See if the platform offers libdbus for various IPC techniques.

  2638 CheckDBus()

  2639 {

  2640     AC_ARG_ENABLE(dbus,

  2641 AC_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),

  2642                         , enable_dbus=yes)

  2643     if test x$enable_dbus = xyes; then

  2644         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)

  2645         if test x$PKG_CONFIG != xno; then

  2646             DBUS_CFLAGS=`$PKG_CONFIG --cflags dbus-1`

  2647             save_CFLAGS="$CFLAGS"

  2648             CFLAGS="$save_CFLAGS $DBUS_CFLAGS"

  2649             AC_CHECK_HEADER(dbus/dbus.h,

  2650                             have_dbus_dbus_h_hdr=yes,

  2651                             have_dbus_dbus_h_hdr=no)

  2652             CFLAGS="$save_CFLAGS"

  2653             if test x$have_dbus_dbus_h_hdr = xyes; then

  2654                 AC_DEFINE(HAVE_DBUS_DBUS_H, 1, [ ])

  2655                 EXTRA_CFLAGS="$EXTRA_CFLAGS $DBUS_CFLAGS"

  2656                 SOURCES="$SOURCES $srcdir/src/core/linux/SDL_dbus.c"

  2657             fi

  2658         fi

  2659     fi

  2660 }

  2662 dnl See if the platform wanna IME support.

  2663 CheckIME()

  2664 {

  2665     AC_ARG_ENABLE(ime,

  2666 AC_HELP_STRING([--enable-ime], [enable IME support [[default=yes]]]),

  2667                   , enable_ime=yes)

  2668     if test x$enable_ime = xyes; then

  2669         AC_DEFINE(SDL_USE_IME, 1, [ ])

  2670             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ime.c"

  2671     fi

  2672 }

  2674 dnl See if the platform has libibus IME support.

  2675 CheckIBus()

  2676 {

  2677     AC_ARG_ENABLE(ibus,

  2678 AC_HELP_STRING([--enable-ibus], [enable IBus support [[default=yes]]]),

  2679                   , enable_ibus=yes)

  2680     if test x$enable_ibus = xyes; then

  2681         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)

  2682         if test x$PKG_CONFIG != xno; then

  2683             IBUS_CFLAGS=`$PKG_CONFIG --cflags ibus-1.0`

  2684             save_CFLAGS="$CFLAGS"

  2685             CFLAGS="$save_CFLAGS $IBUS_CFLAGS"

  2686             AC_CHECK_HEADER(ibus-1.0/ibus.h,

  2687                             have_ibus_ibus_h_hdr=yes,

  2688                             have_ibus_ibus_h_hdr=no)

  2689             AC_CHECK_HEADER(sys/inotify.h,

  2690                             have_inotify_inotify_h_hdr=yes,

  2691                             have_inotify_inotify_h_hdr=no)

  2692             CFLAGS="$save_CFLAGS"

  2693             if test x$have_ibus_ibus_h_hdr = xyes; then

  2694                 if test x$enable_ime != xyes; then

  2695                     AC_MSG_WARN([IME support is required for IBus.])

  2696                     have_ibus_ibus_h_hdr=no

  2697                 elif test x$enable_dbus != xyes; then

  2698                     AC_MSG_WARN([DBus support is required for IBus.])

  2699                     have_ibus_ibus_h_hdr=no

  2700                 elif test x$have_inotify_inotify_h_hdr != xyes; then

  2701                     AC_MSG_WARN([INotify support is required for IBus.])

  2702                     have_ibus_ibus_h_hdr=no

  2703                 else

  2704                     AC_DEFINE(HAVE_IBUS_IBUS_H, 1, [ ])

  2705                     EXTRA_CFLAGS="$EXTRA_CFLAGS $IBUS_CFLAGS"

  2706                     SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ibus.c"

  2707                fi

  2708             fi

  2709         fi

  2710     fi

  2711 }

  2713 dnl See if the platform has fcitx IME support.

  2714 CheckFcitx()

  2715 {

  2716     AC_ARG_ENABLE(fcitx,

  2717 AC_HELP_STRING([--enable-fcitx], [enable fcitx support [[default=yes]]]),

  2718                   , enable_fcitx=yes)

  2719     if test x$enable_fcitx = xyes; then

  2720         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)

  2721         if test x$PKG_CONFIG != xno; then

  2722             FCITX_CFLAGS=`$PKG_CONFIG --cflags fcitx`

  2723             CFLAGS="$CFLAGS $FCITX_CFLAGS"

  2724             AC_CHECK_HEADER(fcitx/frontend.h,

  2725                             have_fcitx_frontend_h_hdr=yes,

  2726                             have_fcitx_frontend_h_hdr=no)

  2727             CFLAGS="$save_CFLAGS"

  2728             if test x$have_fcitx_frontend_h_hdr = xyes; then

  2729                 if test x$enable_ime != xyes; then

  2730                     AC_MSG_WARN([IME support is required for fcitx.])

  2731                     have_fcitx_frontend_h_hdr=no

  2732                 elif test x$enable_dbus != xyes; then

  2733                     AC_MSG_WARN([DBus support is required for fcitx.])

  2734                     have_fcitx_frontend_h_hdr=no

  2735                 else

  2736                     AC_DEFINE(HAVE_FCITX_FRONTEND_H, 1, [ ])

  2737                     EXTRA_CFLAGS="$EXTRA_CFLAGS $FCITX_CFLAGS"

  2738                     SOURCES="$SOURCES $srcdir/src/core/linux/SDL_fcitx.c"

  2739                fi

  2740             fi

  2741         fi

  2742     fi

  2743 }

  2745 dnl See if we can use the Touchscreen input library

  2746 CheckTslib()

  2747 {

  2748     AC_ARG_ENABLE(input-tslib,

  2749 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),

  2750                   , enable_input_tslib=yes)

  2751     if test x$enable_input_tslib = xyes; then

  2752         AC_MSG_CHECKING(for Touchscreen library support)

  2753         enable_input_tslib=no

  2754         AC_TRY_COMPILE([

  2755           #include "tslib.h"

  2756         ],[

  2757         ],[

  2758         enable_input_tslib=yes

  2759         ])

  2760         AC_MSG_RESULT($enable_input_tslib)

  2761         if test x$enable_input_tslib = xyes; then

  2762             AC_DEFINE(SDL_INPUT_TSLIB, 1, [ ])

  2763             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"

  2764             SUMMARY_input="${SUMMARY_input} ts"

  2765         fi

  2766     fi

  2767 }

  2769 dnl See what type of thread model to use on Linux and Solaris

  2770 CheckPTHREAD()

  2771 {

  2772     dnl Check for pthread support

  2773     AC_ARG_ENABLE(pthreads,

  2774 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),

  2775                   , enable_pthreads=yes)

  2776     dnl This is used on Linux for glibc binary compatibility (Doh!)

  2777     AC_ARG_ENABLE(pthread-sem,

  2778 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),

  2779                   , enable_pthread_sem=yes)

  2780     case "$host" in

  2781          *-*-android*)

  2782             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"

  2783             pthread_lib=""

  2784             ;;

  2785         *-*-linux*|*-*-uclinux*)

  2786             pthread_cflags="-D_REENTRANT"

  2787             pthread_lib="-lpthread"

  2788             ;;

  2789         *-*-bsdi*)

  2790             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"

  2791             pthread_lib=""

  2792             ;;

  2793         *-*-darwin*)

  2794             pthread_cflags="-D_THREAD_SAFE"

  2795 # causes Carbon.p complaints?

  2796 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"

  2797             ;;

  2798         *-*-freebsd*|*-*-dragonfly*)

  2799             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"

  2800             pthread_lib="-pthread"

  2801             ;;

  2802         *-*-netbsd*)

  2803             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"

  2804             pthread_lib="-lpthread"

  2805             ;;

  2806         *-*-openbsd*)

  2807             pthread_cflags="-D_REENTRANT"

  2808             pthread_lib="-pthread"

  2809             ;;

  2810         *-*-solaris2.9)

  2811             # From Solaris 9+, posix4's preferred name is rt.

  2812             pthread_cflags="-D_REENTRANT"

  2813             pthread_lib="-lpthread -lrt"

  2814             ;;

  2815         *-*-solaris2.10)

  2816             # Solaris 10+ merged pthread into libc.

  2817             pthread_cflags="-D_REENTRANT"

  2818             pthread_lib="-lrt"

  2819             ;;

  2820         *-*-solaris*)

  2821             # Solaris 11+ merged rt into libc.

  2822             pthread_cflags="-D_REENTRANT"

  2823             pthread_lib=""

  2824             ;;

  2825         *-*-sysv5*)

  2826             pthread_cflags="-D_REENTRANT -Kthread"

  2827             pthread_lib=""

  2828             ;;

  2829         *-*-aix*)

  2830             pthread_cflags="-D_REENTRANT -mthreads"

  2831             pthread_lib="-lpthread"

  2832             ;;

  2833         *-*-hpux11*)

  2834             pthread_cflags="-D_REENTRANT"

  2835             pthread_lib="-L/usr/lib -lpthread"

  2836             ;;

  2837         *-*-haiku*)

  2838             pthread_cflags="-D_REENTRANT"

  2839             pthread_lib=""

  2840             ;;

  2841         *-*-nto*)

  2842             pthread_cflags="-D_REENTRANT"

  2843             pthread_lib=""

  2844             ;;

  2845         *)

  2846             pthread_cflags="-D_REENTRANT"

  2847             pthread_lib="-lpthread"

  2848             ;;

  2849     esac

  2850     if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then

  2851         # Save the original compiler flags and libraries

  2852         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"

  2853         # Add the pthread compiler flags and libraries

  2854         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"

  2855         # Check to see if we have pthread support on this system

  2856         AC_MSG_CHECKING(for pthreads)

  2857         use_pthreads=no

  2858         AC_TRY_LINK([

  2859          #include <pthread.h>

  2860         ],[

  2861          pthread_attr_t type;

  2862          pthread_attr_init(&type);

  2863         ],[

  2864         use_pthreads=yes

  2865         ])

  2866         AC_MSG_RESULT($use_pthreads)

  2867         # Restore the compiler flags and libraries

  2868         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"

  2870         # Do futher testing if we have pthread support...

  2871         if test x$use_pthreads = xyes; then

  2872             AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ])

  2873             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"

  2874             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"

  2875             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"

  2877             # Save the original compiler flags and libraries

  2878             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"

  2879             # Add the pthread compiler flags and libraries

  2880             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"

  2882             # Check to see if recursive mutexes are available

  2883             AC_MSG_CHECKING(for recursive mutexes)

  2884             has_recursive_mutexes=no

  2885             if test x$has_recursive_mutexes = xno; then

  2886                 AC_TRY_LINK([

  2887                   #define _GNU_SOURCE 1

  2888                   #include <pthread.h>

  2889                 ],[

  2890                   pthread_mutexattr_t attr;

  2891                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);

  2892                 ],[

  2893                 has_recursive_mutexes=yes

  2894                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ])

  2895                 ])

  2896             fi

  2897             if test x$has_recursive_mutexes = xno; then

  2898                 AC_TRY_LINK([

  2899                   #define _GNU_SOURCE 1

  2900                   #include <pthread.h>

  2901                 ],[

  2902                   pthread_mutexattr_t attr;

  2903                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);

  2904                 ],[

  2905                 has_recursive_mutexes=yes

  2906                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ])

  2907                 ])

  2908             fi

  2909             AC_MSG_RESULT($has_recursive_mutexes)

  2911             # Check to see if pthread semaphore support is missing

  2912             if test x$enable_pthread_sem = xyes; then

  2913                 AC_MSG_CHECKING(for pthread semaphores)

  2914                 have_pthread_sem=no

  2915                 AC_TRY_COMPILE([

  2916                   #include <pthread.h>

  2917                   #include <semaphore.h>

  2918                 ],[

  2919                 ],[

  2920                 have_pthread_sem=yes

  2921                 ])

  2922                 AC_MSG_RESULT($have_pthread_sem)

  2923             fi

  2924             if test x$have_pthread_sem = xyes; then

  2925                 AC_MSG_CHECKING(for sem_timedwait)

  2926                 have_sem_timedwait=no

  2927                 AC_TRY_LINK([

  2928                   #include <pthread.h>

  2929                   #include <semaphore.h>

  2930                 ],[

  2931                   sem_timedwait(NULL, NULL);

  2932                 ],[

  2933                 have_sem_timedwait=yes

  2934                 AC_DEFINE([HAVE_SEM_TIMEDWAIT], 1, [ ])

  2935                 ])

  2936                 AC_MSG_RESULT($have_sem_timedwait)

  2937             fi

  2939             AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes, have_pthread_np_h=no, [ #include <pthread.h> ])

  2940             if test x$have_pthread_np_h = xyes; then

  2941                 AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ])

  2942             fi

  2944             # Check to see if pthread naming is available

  2945             AC_MSG_CHECKING(for pthread_setname_np)

  2946             AC_TRY_LINK_FUNC(pthread_setname_np, [

  2947               has_pthread_setname_np=yes

  2948               AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ])

  2949             ],[

  2950               has_pthread_setname_np=no

  2951             ])

  2952             AC_MSG_RESULT($has_pthread_setname_np)

  2954             AC_MSG_CHECKING(for pthread_set_name_np)

  2955             AC_TRY_LINK_FUNC(pthread_set_name_np, [

  2956               has_pthread_set_name_np=yes

  2957               AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ])

  2958             ],[

  2959               has_pthread_set_name_np=no

  2960             ])

  2961             AC_MSG_RESULT($has_pthread_set_name_np)

  2963             # Restore the compiler flags and libraries

  2964             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"

  2966             # Basic thread creation functions

  2967             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"

  2969             # Semaphores

  2970             # We can fake these with mutexes and condition variables if necessary

  2971             if test x$have_pthread_sem = xyes; then

  2972                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"

  2973             else

  2974                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"

  2975             fi

  2977             # Mutexes

  2978             # We can fake these with semaphores if necessary

  2979             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"

  2981             # Condition variables

  2982             # We can fake these with semaphores and mutexes if necessary

  2983             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"

  2985             # Thread local storage

  2986             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systls.c"

  2988             have_threads=yes

  2989         fi

  2990     fi

  2991 }

  2993 dnl Determine whether the compiler can produce Windows executables

  2994 CheckWINDOWS()

  2995 {

  2996     AC_MSG_CHECKING(Windows compiler)

  2997     have_win32_gcc=no

  2998     AC_TRY_COMPILE([

  2999      #include <windows.h>

  3000     ],[

  3001     ],[

  3002     have_win32_gcc=yes

  3003     ])

  3004     AC_MSG_RESULT($have_win32_gcc)

  3005     if test x$have_win32_gcc != xyes; then

  3006        AC_MSG_ERROR([

  3007 *** Your compiler ($CC) does not produce Windows executables!

  3008        ])

  3009     fi

  3011     AC_MSG_CHECKING(Windows CE)

  3012     have_wince=no

  3013     AC_TRY_COMPILE([

  3014 #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__)

  3015 #error This is not Windows CE

  3016 #endif

  3017     ],[

  3018     ],[

  3019     have_wince=yes

  3020        AC_MSG_ERROR([

  3021 *** Sorry, Windows CE is no longer supported.

  3022        ])

  3023     ])

  3024     AC_MSG_RESULT($have_wince)

  3026     # This fixes Windows stack alignment with newer GCC

  3027     CheckStackBoundary

  3028 }

  3030 dnl Find the DirectX includes and libraries

  3031 CheckDIRECTX()

  3032 {

  3033     AC_ARG_ENABLE(directx,

  3034 AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),

  3035                   , enable_directx=yes)

  3036     if test x$enable_directx = xyes; then

  3037         AC_CHECK_HEADER(d3d9.h, have_d3d=yes)

  3038         AC_CHECK_HEADER(d3d11_1.h, have_d3d11=yes)

  3039         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)

  3040         AC_CHECK_HEADER(dsound.h, have_dsound=yes)

  3041         AC_CHECK_HEADER(dinput.h, have_dinput=yes)

  3042         AC_CHECK_HEADER(dxgi.h, have_dxgi=yes)

  3043         AC_CHECK_HEADER(xinput.h, have_xinput=yes)

  3044         AC_CHECK_HEADER(mmdeviceapi.h, have_wasapi=yes)

  3045         AC_CHECK_HEADER(audioclient.h,,have_wasapi=no)

  3046         AC_TRY_COMPILE([

  3047 #include <windows.h>

  3048 #include <xinput.h>

  3049 XINPUT_GAMEPAD_EX x1;

  3050         ],[],[have_xinput_gamepadex=yes])

  3051         AC_TRY_COMPILE([

  3052 #include <windows.h>

  3053 #include <xinput.h>

  3054 XINPUT_STATE_EX s1;

  3055         ],[],[have_xinput_stateex=yes])

  3057         if test x$have_ddraw = xyes; then

  3058             AC_DEFINE(HAVE_DDRAW_H, 1, [ ])

  3059         fi

  3060         if test x$have_dinput = xyes; then

  3061             AC_DEFINE(HAVE_DINPUT_H, 1, [ ])

  3062         fi

  3063         if test x$have_dsound = xyes; then

  3064             AC_DEFINE(HAVE_DSOUND_H, 1, [ ])

  3065         fi

  3066         if test x$have_dxgi = xyes; then

  3067             AC_DEFINE(HAVE_DXGI_H, 1, [ ])

  3068         fi

  3069         if test x$have_xinput = xyes; then

  3070             AC_DEFINE(HAVE_XINPUT_H, 1, [ ])

  3071         fi

  3072         if test x$have_xinput_gamepadex = xyes; then

  3073             AC_DEFINE(HAVE_XINPUT_GAMEPAD_EX, 1, [ ])

  3074         fi

  3075         if test x$have_xinput_stateex = xyes; then

  3076             AC_DEFINE(HAVE_XINPUT_STATE_EX, 1, [ ])

  3077         fi

  3079         SUMMARY_video="${SUMMARY_video} directx"

  3080         SUMMARY_audio="${SUMMARY_audio} directx"

  3082         AC_ARG_ENABLE(audio-wasapi,

  3083 AC_HELP_STRING([--enable-audio-wasapi], [use the Windows WASAPI audio driver [[default=yes]]]),

  3084                                 , enable_audio_wasapi=yes)

  3086         # FIXME: latest Cygwin finds dinput headers, but we die on other win32 headers.

  3087         # FIXME:  ...so force it off for now.

  3088         case "$host" in

  3089             *-*-cygwin*)

  3090             have_dinput=false

  3091             ;;

  3092         esac

  3093     fi

  3094 }

  3096 dnl Check for the dlfcn.h interface for dynamically loading objects

  3097 CheckDLOPEN()

  3098 {

  3099     AC_ARG_ENABLE(sdl-dlopen,

  3100 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),

  3101                   , enable_sdl_dlopen=yes)

  3102     if test x$enable_sdl_dlopen = xyes; then

  3103         AC_MSG_CHECKING(for dlopen)

  3104         have_dlopen=no

  3105         AC_TRY_COMPILE([

  3106          #include <dlfcn.h>

  3107         ],[

  3108          void *handle = dlopen("", RTLD_NOW);

  3109          const char *loaderror = (char *) dlerror();

  3110         ],[

  3111         have_dlopen=yes

  3112         ])

  3113         AC_MSG_RESULT($have_dlopen)

  3115         if test x$have_dlopen = xyes; then

  3116             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",

  3117                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",

  3118                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))

  3119             AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ])

  3120             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"

  3121             have_loadso=yes

  3122         fi

  3123     fi

  3124 }

  3126 dnl Check for the usbhid(3) library on *BSD

  3127 CheckUSBHID()

  3128 {

  3129     case "$host" in

  3130         *-*-*bsd*)

  3131             if test x$enable_joystick = xyes; then

  3132                 AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)

  3133                 if test x$have_libusbhid = xyes; then

  3134                     AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])

  3135                     AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])

  3136                     USB_LIBS="$USB_LIBS -lusbhid"

  3137                 else

  3138                     AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])

  3139                     AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])

  3140                     AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])

  3141                 fi

  3143                 save_CFLAGS="$CFLAGS"

  3144                 CFLAGS="$CFLAGS $USB_CFLAGS"

  3146                 AC_MSG_CHECKING(for usbhid)

  3147                 have_usbhid=no

  3148                 AC_TRY_COMPILE([

  3149                   #include <sys/types.h>

  3150                   #if defined(HAVE_USB_H)

  3151                   #include <usb.h>

  3152                   #endif

  3153                   #ifdef __DragonFly__

  3154                   # include <bus/usb/usb.h>

  3155                   # include <bus/usb/usbhid.h>

  3156                   #else

  3157                   # include <dev/usb/usb.h>

  3158                   # include <dev/usb/usbhid.h>

  3159                   #endif

  3160                   #if defined(HAVE_USBHID_H)

  3161                   #include <usbhid.h>

  3162                   #elif defined(HAVE_LIBUSB_H)

  3163                   #include <libusb.h>

  3164                   #elif defined(HAVE_LIBUSBHID_H)

  3165                   #include <libusbhid.h>

  3166                   #endif

  3167                 ],[

  3168                   struct report_desc *repdesc;

  3169                   struct usb_ctl_report *repbuf;

  3170                   hid_kind_t hidkind;

  3171                 ],[

  3172                 have_usbhid=yes

  3173                 ])

  3174                 AC_MSG_RESULT($have_usbhid)

  3176                 if test x$have_usbhid = xyes; then

  3177                     AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)

  3178                     have_usbhid_ucr_data=no

  3179                     AC_TRY_COMPILE([

  3180                       #include <sys/types.h>

  3181                       #if defined(HAVE_USB_H)

  3182                       #include <usb.h>

  3183                       #endif

  3184                       #ifdef __DragonFly__

  3185                       # include <bus/usb/usb.h>

  3186                       # include <bus/usb/usbhid.h>

  3187                       #else

  3188                       # include <dev/usb/usb.h>

  3189                       # include <dev/usb/usbhid.h>

  3190                       #endif

  3191                       #if defined(HAVE_USBHID_H)

  3192                       #include <usbhid.h>

  3193                       #elif defined(HAVE_LIBUSB_H)

  3194                       #include <libusb.h>

  3195                       #elif defined(HAVE_LIBUSBHID_H)

  3196                       #include <libusbhid.h>

  3197                       #endif

  3198                     ],[

  3199                       struct usb_ctl_report buf;

  3200                       if (buf.ucr_data) { }

  3201                     ],[

  3202                     have_usbhid_ucr_data=yes

  3203                     ])

  3204                     if test x$have_usbhid_ucr_data = xyes; then

  3205                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"

  3206                     fi

  3207                     AC_MSG_RESULT($have_usbhid_ucr_data)

  3209                     AC_MSG_CHECKING(for new usbhid API)

  3210                     have_usbhid_new=no

  3211                     AC_TRY_COMPILE([

  3212                       #include <sys/types.h>

  3213                       #if defined(HAVE_USB_H)

  3214                       #include <usb.h>

  3215                       #endif

  3216                       #ifdef __DragonFly__

  3217                       #include <bus/usb/usb.h>

  3218                       #include <bus/usb/usbhid.h>

  3219                       #else

  3220                       #include <dev/usb/usb.h>

  3221                       #include <dev/usb/usbhid.h>

  3222                       #endif

  3223                       #if defined(HAVE_USBHID_H)

  3224                       #include <usbhid.h>

  3225                       #elif defined(HAVE_LIBUSB_H)

  3226                       #include <libusb.h>

  3227                       #elif defined(HAVE_LIBUSBHID_H)

  3228                       #include <libusbhid.h>

  3229                       #endif

  3230                     ],[

  3231                       report_desc_t d;

  3232                       hid_start_parse(d, 1, 1);

  3233                     ],[

  3234                     have_usbhid_new=yes

  3235                     ])

  3236                     if test x$have_usbhid_new = xyes; then

  3237                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"

  3238                     fi

  3239                     AC_MSG_RESULT($have_usbhid_new)

  3241                     AC_MSG_CHECKING(for struct joystick in machine/joystick.h)

  3242                     have_machine_joystick=no

  3243                     AC_TRY_COMPILE([

  3244                       #include <machine/joystick.h>

  3245                     ],[

  3246                       struct joystick t;

  3247                     ],[

  3248                     have_machine_joystick=yes

  3249                     ])

  3250                     if test x$have_machine_joystick = xyes; then

  3251                         AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H, 1, [ ])

  3252                     fi

  3253                     AC_MSG_RESULT($have_machine_joystick)

  3255                     AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ])

  3256                     SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"

  3257                     EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"

  3258                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"

  3259                     have_joystick=yes

  3260                 fi

  3261                 CFLAGS="$save_CFLAGS"

  3262             fi

  3263         ;;

  3264     esac

  3265 }

  3267 dnl Check for clock_gettime()

  3268 CheckClockGettime()

  3269 {

  3270     AC_ARG_ENABLE(clock_gettime,

  3271 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),

  3272                   , enable_clock_gettime=yes)

  3273     if test x$enable_clock_gettime = xyes; then

  3274         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)

  3275         if test x$have_clock_gettime = xyes; then

  3276             AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])

  3277             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"

  3278         else

  3279             AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes)

  3280             if test x$have_clock_gettime = xyes; then

  3281                AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])

  3282                EXTRA_LDFLAGS="$EXTRA_LDFLAGS"

  3283             fi

  3284         fi

  3285     fi

  3286 }

  3288 dnl Check for a valid linux/version.h

  3289 CheckLinuxVersion()

  3290 {

  3291     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)

  3292     if test x$have_linux_version_h = xyes; then

  3293         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"

  3294     fi

  3295 }

  3297 dnl Check if we want to use RPATH

  3298 CheckRPATH()

  3299 {

  3300     AC_ARG_ENABLE(rpath,

  3301 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),

  3302                   , enable_rpath=yes)

  3303 }

  3305 dnl Do this on all platforms, before everything else (other things might want to override it).

  3306 CheckWarnAll

  3308 dnl Set up the configuration based on the host platform!

  3309 case "$host" in

  3310     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*|*-*-nto*)

  3311         case "$host" in

  3312             *-*-android*)

  3313                 # Android

  3314                 ARCH=android

  3315                 ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"

  3316                 CFLAGS="$CFLAGS $ANDROID_CFLAGS"

  3317                 SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS"

  3318                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS"

  3319                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid"

  3320                 SDLMAIN_SOURCES="$srcdir/src/main/android/*.c"

  3322                 if test x$enable_video = xyes; then

  3323                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"

  3324                     # FIXME: confdefs? Not AC_DEFINE?

  3325                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h

  3326                     SUMMARY_video="${SUMMARY_video} android"

  3327                 fi

  3328                 ;;

  3329             *-*-linux*)         ARCH=linux ;;

  3330             *-*-uclinux*)       ARCH=linux ;;

  3331             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;

  3332             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;

  3333             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;

  3334             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants

  3335             *-*-bsdi*)          ARCH=bsdi ;;

  3336             *-*-freebsd*)       ARCH=freebsd ;;

  3337             *-*-dragonfly*)     ARCH=freebsd ;;

  3338             *-*-netbsd*)        ARCH=netbsd ;;

  3339             *-*-openbsd*)       ARCH=openbsd ;;

  3340             *-*-sysv5*)         ARCH=sysv5 ;;

  3341             *-*-solaris*)       ARCH=solaris ;;

  3342             *-*-hpux*)          ARCH=hpux ;;

  3343             *-*-aix*)           ARCH=aix ;;

  3344             *-*-minix*)         ARCH=minix ;;

  3345             *-*-nto*)           ARCH=nto

  3346                 CheckQNXVideo

  3347                 ;;

  3348         esac

  3349         CheckVisibilityHidden

  3350         CheckDeclarationAfterStatement

  3351         CheckDummyVideo

  3352         CheckDiskAudio

  3353         CheckDummyAudio

  3354         CheckDLOPEN

  3355         CheckOSS

  3356         CheckALSA

  3357         CheckPulseAudio

  3358         CheckJACK

  3359         CheckARTSC

  3360         CheckESD

  3361         CheckNAS

  3362         CheckSNDIO

  3363         CheckFusionSound

  3364         CheckLibSampleRate

  3365         # Need to check for Raspberry PI first and add platform specific compiler flags, otherwise the test for GLES fails!

  3366         CheckRPI

  3367         CheckX11

  3368         CheckDirectFB

  3369         CheckKMSDRM

  3370         CheckOpenGLX11

  3371         CheckOpenGLESX11

  3372         CheckVulkan

  3373         CheckMir

  3374         CheckWayland

  3375         CheckLibUDev

  3376         CheckDBus

  3377         CheckIME

  3378         CheckIBus

  3379         CheckFcitx

  3380         case $ARCH in

  3381           linux)

  3382               CheckInputEvents

  3383               CheckInputKD

  3384           ;;

  3385         esac

  3386         CheckTslib

  3387         CheckUSBHID

  3388         CheckPTHREAD

  3389         CheckClockGettime

  3390         CheckLinuxVersion

  3391         CheckRPATH

  3392         CheckVivanteVideo

  3394         # Set up files for the audio library

  3395         if test x$enable_audio = xyes; then

  3396           case $ARCH in

  3397             sysv5|solaris|hpux)

  3398                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ])

  3399                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"

  3400                 SUMMARY_audio="${SUMMARY_audio} sun"

  3401                 have_audio=yes

  3402             ;;

  3403             netbsd)  # Don't use this on OpenBSD, it's busted.

  3404                 AC_DEFINE(SDL_AUDIO_DRIVER_NETBSD, 1, [ ])

  3405                 SOURCES="$SOURCES $srcdir/src/audio/netbsd/*.c"

  3406                 SUMMARY_audio="${SUMMARY_audio} netbsd"

  3407                 have_audio=yes

  3408             ;;

  3409             aix)

  3410                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ])

  3411                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"

  3412                 SUMMARY_audio="${SUMMARY_audio} paudio"

  3413                 have_audio=yes

  3414             ;;

  3415             android)

  3416                 AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ])

  3417                 SOURCES="$SOURCES $srcdir/src/audio/android/*.c"

  3418                 SUMMARY_audio="${SUMMARY_audio} android"

  3419                 have_audio=yes

  3420             ;;

  3421             nto)

  3422                 CheckQNXAudio

  3423             ;;

  3424           esac

  3425         fi

  3426         # Set up files for the joystick library

  3427         if test x$enable_joystick = xyes; then

  3428           case $ARCH in

  3429             linux)

  3430                 AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ])

  3431                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"

  3432                 SOURCES="$SOURCES $srcdir/src/joystick/steam/*.c"

  3433                 have_joystick=yes

  3434             ;;

  3435             android)

  3436                 AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ])

  3437                 SOURCES="$SOURCES $srcdir/src/joystick/android/*.c"

  3438                 SOURCES="$SOURCES $srcdir/src/joystick/steam/*.c"

  3439                 have_joystick=yes

  3440             ;;

  3441           esac

  3442         fi

  3443         # Set up files for the haptic library

  3444         if test x$enable_haptic = xyes; then

  3445           case $ARCH in

  3446             linux)

  3447                 if test x$use_input_events = xyes; then

  3448                     AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ])

  3449                     SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"

  3450                     have_haptic=yes

  3451                 fi

  3452             ;;

  3453             android)

  3454                 AC_DEFINE(SDL_HAPTIC_ANDROID, 1, [ ])

  3455                 SOURCES="$SOURCES $srcdir/src/haptic/android/*.c"

  3456                 have_haptic=yes

  3457             ;;

  3458           esac

  3459         fi

  3460         # Set up files for the power library

  3461         if test x$enable_power = xyes; then

  3462              case $ARCH in

  3463                linux)

  3464                    AC_DEFINE(SDL_POWER_LINUX, 1, [ ])

  3465                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"

  3466                    have_power=yes

  3467                ;;

  3468                android)

  3469                    AC_DEFINE(SDL_POWER_ANDROID, 1, [ ])

  3470                    SOURCES="$SOURCES $srcdir/src/power/android/*.c"

  3471                    have_power=yes

  3472                ;;

  3473              esac

  3474         fi

  3475         # Set up files for the filesystem library

  3476         if test x$enable_filesystem = xyes; then

  3477              case $ARCH in

  3478                android)

  3479                    AC_DEFINE(SDL_FILESYSTEM_ANDROID, 1, [ ])

  3480                    SOURCES="$SOURCES $srcdir/src/filesystem/android/*.c"

  3481                    have_filesystem=yes

  3482                ;;

  3483                *)

  3484                    AC_DEFINE(SDL_FILESYSTEM_UNIX, 1, [ ])

  3485                    SOURCES="$SOURCES $srcdir/src/filesystem/unix/*.c"

  3486                    have_filesystem=yes

  3487                ;;

  3488              esac

  3489         fi

  3490         # Set up files for the timer library

  3491         if test x$enable_timers = xyes; then

  3492             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])

  3493             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"

  3494             have_timers=yes

  3495         fi

  3496         # Set up files for udev hotplugging support

  3497         if test x$enable_libudev = xyes && test x$have_libudev_h_hdr = xyes; then

  3498             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_udev.c"

  3499         fi

  3500         # Set up files for evdev input

  3501         if test x$use_input_events = xyes; then

  3502             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev*.c"

  3503         fi

  3504         # Set up other core UNIX files

  3505         SOURCES="$SOURCES $srcdir/src/core/unix/*.c"

  3506         ;;

  3507     *-*-cygwin* | *-*-mingw32*)

  3508         ARCH=win32

  3509         if test "$build" != "$host"; then # cross-compiling

  3510             # Default cross-compile location

  3511             ac_default_prefix=/usr/local/cross-tools/$host

  3512         else

  3513             # Look for the location of the tools and install there

  3514             if test "$BUILD_PREFIX" != ""; then

  3515                 ac_default_prefix=$BUILD_PREFIX

  3516             fi

  3517         fi

  3518         CheckDeclarationAfterStatement

  3519         CheckDummyVideo

  3520         CheckDiskAudio

  3521         CheckDummyAudio

  3522         CheckWINDOWS

  3523         CheckWINDOWSGL

  3524         CheckWINDOWSGLES

  3525         CheckVulkan

  3526         CheckDIRECTX

  3528         # Set up the core platform files

  3529         SOURCES="$SOURCES $srcdir/src/core/windows/*.c"

  3531         # Set up files for the video library

  3532         if test x$enable_video = xyes; then

  3533             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])

  3534             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"

  3535             have_video=yes

  3536             AC_ARG_ENABLE(render-d3d,

  3537 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),

  3538                                 , enable_render_d3d=yes)

  3539             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then

  3540                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])

  3541             fi

  3542             if test x$enable_render_d3d = xyes -a x$have_d3d11 = xyes; then

  3543                 AC_DEFINE(SDL_VIDEO_RENDER_D3D11, 1, [ ])

  3544             fi

  3545         fi

  3546         # Set up files for the audio library

  3547         if test x$enable_audio = xyes; then

  3548             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])

  3549             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"

  3550             if test x$have_dsound = xyes; then

  3551                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])

  3552                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"

  3553             fi

  3554             if test x$have_wasapi = xyes -a x$enable_audio_wasapi = xyes; then

  3555                 AC_DEFINE(SDL_AUDIO_DRIVER_WASAPI, 1, [ ])

  3556                 SUMMARY_audio="${SUMMARY_audio} wasapi"

  3557                 SOURCES="$SOURCES $srcdir/src/audio/wasapi/*.c"

  3558             fi

  3559             have_audio=yes

  3560         fi

  3561         # Set up files for the joystick library

  3562         if test x$enable_joystick = xyes; then

  3563             if test x$have_dinput = xyes -o x$have_xinput = xyes; then

  3564                 if test x$have_xinput = xyes; then

  3565                     AC_DEFINE(SDL_JOYSTICK_XINPUT, 1, [ ])

  3566                 fi

  3567                 if test x$have_dinput = xyes; then

  3568                     AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ])

  3569                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8"

  3570                 fi

  3571             else

  3572                 AC_DEFINE(SDL_JOYSTICK_WINMM, 1, [ ])

  3573             fi

  3574             SOURCES="$SOURCES $srcdir/src/joystick/windows/*.c"

  3575             have_joystick=yes

  3576         fi

  3577         if test x$enable_haptic = xyes; then

  3578             if test x$have_dinput = xyes -o x$have_xinput = xyes; then

  3579                 if test x$have_xinput = xyes; then

  3580                     AC_DEFINE(SDL_HAPTIC_XINPUT, 1, [ ])

  3581                 fi

  3582                 if test x$have_dinput = xyes; then

  3583                     AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ])

  3584                 fi

  3585                 SOURCES="$SOURCES $srcdir/src/haptic/windows/*.c"

  3586                 have_haptic=yes

  3587             fi

  3588         fi

  3589         if test x$enable_power = xyes; then

  3590             AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ])

  3591             SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c"

  3592             have_power=yes

  3593         fi

  3594         if test x$enable_filesystem = xyes; then

  3595             AC_DEFINE(SDL_FILESYSTEM_WINDOWS, 1, [ ])

  3596             SOURCES="$SOURCES $srcdir/src/filesystem/windows/SDL_sysfilesystem.c"

  3597             have_filesystem=yes

  3598         fi

  3599         # Set up files for the thread library

  3600         if test x$enable_threads = xyes; then

  3601             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])

  3602             SOURCES="$SOURCES $srcdir/src/thread/windows/*.c"

  3603             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"

  3604             have_threads=yes

  3605         fi

  3606         # Set up files for the timer library

  3607         if test x$enable_timers = xyes; then

  3608             AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ])

  3609             SOURCES="$SOURCES $srcdir/src/timer/windows/*.c"

  3610             have_timers=yes

  3611         fi

  3612         # Set up files for the shared object loading library

  3613         if test x$enable_loadso = xyes; then

  3614             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])

  3615             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"

  3616             have_loadso=yes

  3617         fi

  3618         # Set up the system libraries we need

  3619         if test -f /lib/w32api/libuuid.a; then

  3620             LIBUUID=/lib/w32api/libuuid.a

  3621         else

  3622             LIBUUID=-luuid

  3623         fi

  3624         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion $LIBUUID -static-libgcc"

  3625         # The Windows platform requires special setup

  3626         VERSION_SOURCES="$srcdir/src/main/windows/*.rc"

  3627         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"

  3628         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"

  3629         SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows"

  3631         # Check to see if this is a mingw or cygwin build

  3632         have_mingw32=

  3633         AC_CHECK_LIB(mingw32, main, [have_mingw32=yes])

  3634         if test x$have_mingw32 = xyes; then

  3635             SDL_LIBS="-lmingw32 $SDL_LIBS"

  3636         else

  3637             SDL_LIBS="-lcygwin $SDL_LIBS"

  3638         fi

  3639         ;;

  3641     dnl BeOS support removed after SDL 2.0.1. Haiku still works.  --ryan.

  3642     *-*-beos*)

  3643         AC_MSG_ERROR([

  3644 *** BeOS support has been removed as of SDL 2.0.2.

  3645         ])

  3646         ;;

  3648     *-*-haiku*)

  3649         ARCH=haiku

  3650         ac_default_prefix=/boot/system

  3651         CheckDummyVideo

  3652         CheckDiskAudio

  3653         CheckDummyAudio

  3654         CheckDLOPEN

  3655         CheckHaikuVideo

  3656         CheckHaikuGL

  3657         CheckPTHREAD

  3659         # Set up files for the audio library

  3660         if test x$enable_audio = xyes; then

  3661             AC_DEFINE(SDL_AUDIO_DRIVER_HAIKU, 1, [ ])

  3662             SOURCES="$SOURCES $srcdir/src/audio/haiku/*.cc"

  3663             SUMMARY_audio="${SUMMARY_audio} haiku"

  3664             have_audio=yes

  3665         fi

  3666         # Set up files for the joystick library

  3667         if test x$enable_joystick = xyes; then

  3668             AC_DEFINE(SDL_JOYSTICK_HAIKU, 1, [ ])

  3669             SOURCES="$SOURCES $srcdir/src/joystick/haiku/*.cc"

  3670             have_joystick=yes

  3671         fi

  3672         # Set up files for the timer library

  3673         if test x$enable_timers = xyes; then

  3674             AC_DEFINE(SDL_TIMER_HAIKU, 1, [ ])

  3675             SOURCES="$SOURCES $srcdir/src/timer/haiku/*.c"

  3676             have_timers=yes

  3677         fi

  3678         # Set up files for the system power library

  3679         if test x$enable_power = xyes; then

  3680             AC_DEFINE(SDL_POWER_HAIKU, 1, [ ])

  3681             SOURCES="$SOURCES $srcdir/src/power/haiku/*.c"

  3682             have_power=yes

  3683         fi

  3684         # Set up files for the system filesystem library

  3685         if test x$enable_filesystem = xyes; then

  3686             AC_DEFINE(SDL_FILESYSTEM_HAIKU, 1, [ ])

  3687             SOURCES="$SOURCES $srcdir/src/filesystem/haiku/*.cc"

  3688             have_filesystem=yes

  3689         fi

  3690         # The Haiku platform requires special setup.

  3691         SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES"

  3692         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"

  3693         # Haiku's x86 spins use libstdc++.r4.so (for binary compat?), but

  3694         #  other spins, like x86-64, use a more standard "libstdc++.so.*"

  3695         AC_CHECK_FILE("/boot/system/lib/libstdc++.r4.so", EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lstdc++.r4", EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lstdc++")

  3696         ;;

  3697     arm*-apple-darwin*|*-ios-*)

  3698         ARCH=ios

  3700         CheckVisibilityHidden

  3701         CheckDeclarationAfterStatement

  3702         CheckDummyVideo

  3703         CheckDiskAudio

  3704         CheckDummyAudio

  3705         CheckDLOPEN

  3706         CheckMETAL

  3707         CheckVulkan

  3708         CheckPTHREAD

  3710         # Set up files for the audio library

  3711         if test x$enable_audio = xyes; then

  3712             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])

  3713             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.m"

  3714             SUMMARY_audio="${SUMMARY_audio} coreaudio"

  3715             have_audio=yes

  3716         fi

  3717         # Set up files for the joystick library

  3718         if test x$enable_joystick = xyes; then

  3719             AC_DEFINE(SDL_JOYSTICK_MFI, 1, [ ])

  3720             SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m"

  3721             SOURCES="$SOURCES $srcdir/src/joystick/steam/*.c"

  3722             have_joystick=yes

  3723         fi

  3724         # Set up files for the haptic library

  3725         #if test x$enable_haptic = xyes; then

  3726         #    SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"

  3727         #    have_haptic=yes

  3728         #    EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"

  3729         #fi

  3730         # Set up files for the power library

  3731         if test x$enable_power = xyes; then

  3732             AC_DEFINE(SDL_POWER_UIKIT, 1, [ ])

  3733             SOURCES="$SOURCES $srcdir/src/power/uikit/*.m"

  3734             have_power=yes

  3735         fi

  3736         # Set up files for the filesystem library

  3737         if test x$enable_filesystem = xyes; then

  3738             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"

  3739             have_filesystem=yes

  3740         fi

  3741         # Set up additional files for the file library

  3742         if test x$enable_file = xyes; then

  3743             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])

  3744             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"

  3745         fi

  3746         # Set up files for the timer library

  3747         if test x$enable_timers = xyes; then

  3748             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])

  3749             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"

  3750             have_timers=yes

  3751         fi

  3752         # Set up other core UNIX files

  3753         SOURCES="$SOURCES $srcdir/src/core/unix/*.c"

  3754         # The iOS platform requires special setup.

  3755         AC_DEFINE(SDL_VIDEO_DRIVER_UIKIT, 1, [ ])

  3756         AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])

  3757         AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])

  3758         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])

  3759         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])

  3760         SOURCES="$SOURCES $srcdir/src/video/uikit/*.m"

  3761         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -liconv -lobjc"

  3762         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AVFoundation"

  3763         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox"

  3764         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio"

  3765         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreGraphics"

  3766         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreMotion"

  3767         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Foundation"

  3768         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,GameController"

  3769         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGLES"

  3770         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"

  3771         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"

  3773         if test x$enable_render = xyes -a x$enable_render_metal = xyes; then

  3774             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Metal"

  3775         fi

  3776         ;;

  3777     *-*-darwin* )

  3778         # This could be either full "Mac OS X", or plain "Darwin" which is

  3779         # just the OS X kernel sans upper layers like Carbon and Cocoa.

  3780         # Next line is broken, and a few files below require Mac OS X (full)

  3781         ARCH=macosx

  3783         # Mac OS X builds with both the Carbon and OSX APIs at the moment

  3784         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"

  3785         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"

  3787         CheckVisibilityHidden

  3788         CheckDeclarationAfterStatement

  3789         CheckDummyVideo

  3790         CheckDiskAudio

  3791         CheckDummyAudio

  3792         CheckDLOPEN

  3793         CheckCOCOA

  3794         CheckMETAL

  3795         CheckX11

  3796         CheckMacGL

  3797         CheckMacGLES

  3798         CheckOpenGLX11

  3799         CheckVulkan

  3800         CheckPTHREAD

  3802         # Set up files for the audio library

  3803         if test x$enable_audio = xyes; then

  3804             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])

  3805             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.m"

  3806             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox"

  3807             SUMMARY_audio="${SUMMARY_audio} coreaudio"

  3808             have_audio=yes

  3809         fi

  3810         # Set up files for the joystick library

  3811         if test x$enable_joystick = xyes; then

  3812             AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ])

  3813             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"

  3814             have_joystick=yes

  3815         fi

  3816         # Set up files for the haptic library

  3817         if test x$enable_haptic = xyes; then

  3818             AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ])

  3819             SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"

  3820             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"

  3821             have_haptic=yes

  3822         fi

  3823         # Set up files for the power library

  3824         if test x$enable_power = xyes; then

  3825             AC_DEFINE(SDL_POWER_MACOSX, 1, [ ])

  3826             SOURCES="$SOURCES $srcdir/src/power/macosx/*.c"

  3827             have_power=yes

  3828         fi

  3829         # Set up files for the filesystem library

  3830         if test x$enable_filesystem = xyes; then

  3831             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])

  3832             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"

  3833             have_filesystem=yes

  3834         fi

  3835         # Set up files for the timer library

  3836         if test x$enable_timers = xyes; then

  3837             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])

  3838             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"

  3839             have_timers=yes

  3840         fi

  3841         # Set up additional files for the file library

  3842         if test x$enable_file = xyes; then

  3843             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"

  3844         fi

  3845         # Set up other core UNIX files

  3846         SOURCES="$SOURCES $srcdir/src/core/unix/*.c"

  3847         # The Mac OS X platform requires special setup.

  3848         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc"

  3849         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreVideo"

  3850         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"

  3851         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"

  3852         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"

  3854         if test x$enable_render = xyes -a x$enable_render_metal = xyes; then

  3855             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-weak_framework,QuartzCore -Wl,-weak_framework,Metal"

  3856         fi

  3857         ;;

  3858     *-nacl|*-pnacl)

  3859         ARCH=nacl

  3860         CheckNativeClient

  3861         CheckDummyAudio

  3862         CheckDummyVideo

  3863         CheckInputEvents

  3864         CheckPTHREAD

  3866         # Set up files for the timer library

  3867         if test x$enable_timers = xyes; then

  3868             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])

  3869             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"

  3870             have_timers=yes

  3871         fi

  3873         if test x$enable_filesystem = xyes; then

  3874             AC_DEFINE(SDL_FILESYSTEM_NACL, 1, [ ])

  3875             SOURCES="$SOURCES $srcdir/src/filesystem/nacl/*.c"

  3876             have_filesystem=yes

  3877         fi

  3878         ;;

  3879     *-*-emscripten* )

  3880         if test x$enable_video = xyes; then

  3881             AC_DEFINE(SDL_VIDEO_DRIVER_EMSCRIPTEN, 1, [ ])

  3882             SOURCES="$SOURCES $srcdir/src/video/emscripten/*.c"

  3883             have_video=yes

  3884             SUMMARY_video="${SUMMARY_video} emscripten"

  3885         fi

  3887         if test x$enable_audio = xyes; then

  3888             AC_DEFINE(SDL_AUDIO_DRIVER_EMSCRIPTEN, 1, [ ])

  3889             SOURCES="$SOURCES $srcdir/src/audio/emscripten/*.c"

  3890             have_audio=yes

  3891             SUMMARY_audio="${SUMMARY_audio} emscripten"

  3892         fi

  3894         CheckVisibilityHidden

  3895         CheckDeclarationAfterStatement

  3896         CheckDummyVideo

  3897         CheckDiskAudio

  3898         CheckDummyAudio

  3899         CheckDLOPEN

  3900         CheckClockGettime

  3901         CheckEmscriptenGLES

  3903          # Set up files for the power library

  3904         if test x$enable_power = xyes; then

  3905             AC_DEFINE(SDL_POWER_EMSCRIPTEN, 1, [ ])

  3906             SOURCES="$SOURCES $srcdir/src/power/emscripten/*.c"

  3907             have_power=yes

  3908         fi

  3910         # Set up files for the power library

  3911         if test x$enable_joystick = xyes; then

  3912             AC_DEFINE(SDL_JOYSTICK_EMSCRIPTEN, 1, [ ])

  3913             SOURCES="$SOURCES $srcdir/src/joystick/emscripten/*.c"

  3914             have_joystick=yes

  3915         fi

  3917         # Set up files for the filesystem library

  3918         if test x$enable_filesystem = xyes; then

  3919             AC_DEFINE(SDL_FILESYSTEM_EMSCRIPTEN, 1, [ ])

  3920             SOURCES="$SOURCES $srcdir/src/filesystem/emscripten/*.c"

  3921             have_filesystem=yes

  3922         fi

  3923         # Set up files for the timer library

  3924         if test x$enable_timers = xyes; then

  3925             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])

  3926             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"

  3927             have_timers=yes

  3928         fi

  3929         ;;

  3930     *)

  3931         AC_MSG_ERROR([

  3932 *** Unsupported host:  Please add to configure.in

  3933         ])

  3934         ;;

  3935 esac

  3937 # Verify that we have all the platform specific files we need

  3939 if test x$have_joystick != xyes; then

  3940     if test x$enable_joystick = xyes; then

  3941         AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])

  3942     fi

  3943     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"

  3944 fi

  3945 if test x$have_haptic != xyes; then

  3946     if test x$enable_haptic = xyes; then

  3947         AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])

  3948     fi

  3949     SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c"

  3950 fi

  3951 if test x$have_threads != xyes; then

  3952     if test x$enable_threads = xyes; then

  3953         AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])

  3954     fi

  3955     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"

  3956 fi

  3957 if test x$have_timers != xyes; then

  3958     if test x$enable_timers = xyes; then

  3959         AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])

  3960     fi

  3961     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"

  3962 fi

  3963 if test x$have_filesystem != xyes; then

  3964     if test x$enable_filesystem = xyes; then

  3965         AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])

  3966     fi

  3967     SOURCES="$SOURCES $srcdir/src/filesystem/dummy/*.c"

  3968 fi

  3969 if test x$have_loadso != xyes; then

  3970     if test x$enable_loadso = xyes; then

  3971         AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])

  3972     fi

  3973     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"

  3974 fi

  3975 if test x$SDLMAIN_SOURCES = x; then

  3976     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"

  3977 fi

  3978 SDLTEST_SOURCES="$srcdir/src/test/*.c"

  3980 if test x$video_wayland = xyes; then

  3981     WAYLAND_PROTOCOLS=`cd $srcdir/wayland-protocols ; for p in *.xml ; do echo -n "\$p" |sed 's,\\.xml\$, ,g' ; done`

  3982     WAYLAND_PROTOCOLS_SOURCES=`for p in $WAYLAND_PROTOCOLS ; do echo -n "\\$(gen)/\$p-protocol.c " ; done`

  3983     WAYLAND_PROTOCOLS_HEADERS=`for p in $WAYLAND_PROTOCOLS ; do echo -n "\\$(gen)/\$p-client-protocol.h " ; done`

  3984     GEN_SOURCES="$GEN_SOURCES $WAYLAND_PROTOCOLS_SOURCES"

  3985     GEN_HEADERS="$GEN_HEADERS $WAYLAND_PROTOCOLS_HEADERS"

  3987     WAYLAND_PROTOCOLS_DEPENDS=`for p in $WAYLAND_PROTOCOLS ; do\

  3988         echo ;\

  3989         echo "\\$(gen)/\$p-client-protocol.h: \\$(srcdir)/wayland-protocols/\$p.xml" ;\

  3990         echo "	@\\$(SHELL) \\$(auxdir)/mkinstalldirs \\$(gen)" ;\

  3991         echo "	\\$(RUN_CMD_GEN)\\$(WAYLAND_SCANNER) client-header \\$< \\$@" ;\

  3992         echo ;\

  3993         echo "\\$(gen)/\$p-protocol.c: \\$(srcdir)/wayland-protocols/\$p.xml" ;\

  3994         echo "	@\\$(SHELL) \\$(auxdir)/mkinstalldirs \\$(gen)" ;\

  3995         echo "	\\$(RUN_CMD_GEN)\\$(WAYLAND_SCANNER) code \\$< \\$@" ;\

  3996         echo ;\

  3997         echo "\\$(objects)/\$p-protocol.lo: \\$(gen)/\$p-protocol.c \\$(gen)/\$p-client-protocol.h" ;\

  3998         echo "	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@" ;\

  3999         done`

  4000 fi

  4002 OBJECTS=`echo $SOURCES`

  4003 DEPENDS=`echo $SOURCES | tr ' ' '\n'`

  4004 for EXT in asm cc m c S; do

  4005     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`

  4006     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\

  4007 \\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\

  4008 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`

  4009 done

  4011 GEN_OBJECTS=`echo "$GEN_SOURCES" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.lo,g'`

  4013 VERSION_OBJECTS=`echo $VERSION_SOURCES`

  4014 VERSION_DEPENDS=`echo $VERSION_SOURCES`

  4015 VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`

  4016 VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\

  4017 \\$(objects)/\\2.o: \\1/\\2.rc\\\\

  4018 	\\$(WINDRES) \\$< \\$@,g"`

  4020 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`

  4021 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`

  4022 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.lo,g'`

  4023 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\

  4024 \\$(objects)/\\2.lo: \\1/\\2.c\\\\

  4025 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`

  4027 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`

  4028 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`

  4029 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.lo,g'`

  4030 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\

  4031 \\$(objects)/\\2.lo: \\1/\\2.c\\\\

  4032 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`

  4034 # Set runtime shared library paths as needed

  4036 if test "x$enable_rpath" = "xyes"; then

  4037   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then

  4038     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"

  4040     AC_MSG_CHECKING(for linker option --enable-new-dtags)

  4041     have_enable_new_dtags=no

  4042     save_LDFLAGS="$LDFLAGS"

  4043     LDFLAGS="$LDFLAGS -Wl,--enable-new-dtags"

  4044     AC_TRY_LINK([

  4045     ],[

  4046     ],[

  4047     have_enable_new_dtags=yes

  4048     SDL_RLD_FLAGS="$SDL_RLD_FLAGS -Wl,--enable-new-dtags"

  4049     ])

  4050     LDFLAGS="$save_LDFLAGS"

  4051     AC_MSG_RESULT($have_enable_new_dtags)

  4052   fi

  4053   if test $ARCH = solaris; then

  4054     SDL_RLD_FLAGS="-R\${libdir}"

  4055   fi

  4056 else

  4057   SDL_RLD_FLAGS=""

  4058 fi

  4060 SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"

  4062 dnl Expand the cflags and libraries needed by apps using SDL

  4063 AC_SUBST(SDL_CFLAGS)

  4064 AC_SUBST(SDL_LIBS)

  4065 AC_SUBST(SDL_STATIC_LIBS)

  4066 AC_SUBST(SDL_RLD_FLAGS)

  4067 if test x$enable_shared = xyes; then

  4068     ENABLE_SHARED_TRUE=

  4069     ENABLE_SHARED_FALSE="#"

  4070 else

  4071     ENABLE_SHARED_TRUE="#"

  4072     ENABLE_SHARED_FALSE=

  4073 fi

  4074 if test x$enable_static = xyes; then

  4075     ENABLE_STATIC_TRUE=

  4076     ENABLE_STATIC_FALSE="#"

  4077 else

  4078     ENABLE_STATIC_TRUE="#"

  4079     ENABLE_STATIC_FALSE=

  4080 fi

  4081 AC_SUBST(ENABLE_SHARED_TRUE)

  4082 AC_SUBST(ENABLE_SHARED_FALSE)

  4083 AC_SUBST(ENABLE_STATIC_TRUE)

  4084 AC_SUBST(ENABLE_STATIC_FALSE)

  4086 dnl Expand the sources and objects needed to build the library

  4087 AC_SUBST(ac_aux_dir)

  4088 AC_SUBST(INCLUDE)

  4089 AC_SUBST(OBJECTS)

  4090 AC_SUBST(GEN_HEADERS)

  4091 AC_SUBST(GEN_OBJECTS)

  4092 AC_SUBST(VERSION_OBJECTS)

  4093 AC_SUBST(SDLMAIN_OBJECTS)

  4094 AC_SUBST(SDLTEST_OBJECTS)

  4095 AC_SUBST(BUILD_CFLAGS)

  4096 AC_SUBST(EXTRA_CFLAGS)

  4097 AC_SUBST(BUILD_LDFLAGS)

  4098 AC_SUBST(EXTRA_LDFLAGS)

  4099 AC_SUBST(WINDRES)

  4100 AC_SUBST(WAYLAND_SCANNER)

  4102 cat >Makefile.rules <<__EOF__

  4104 # Build rules for objects

  4105 -include \$(OBJECTS:.lo=.d)

  4107 # Special dependency for SDL.c, since it depends on SDL_revision.h

  4108 $srcdir/src/SDL.c: update-revision

  4109 $DEPENDS

  4110 $VERSION_DEPENDS

  4111 $SDLMAIN_DEPENDS

  4112 $SDLTEST_DEPENDS

  4113 $WAYLAND_PROTOCOLS_DEPENDS

  4114 __EOF__

  4116 AC_CONFIG_FILES([

  4117     Makefile:Makefile.in:Makefile.rules sdl2-config sdl2-config.cmake SDL2.spec sdl2.pc

  4118 ])

  4119 AC_CONFIG_COMMANDS([sdl2_config],[chmod a+x sdl2-config])

  4121 SUMMARY="SDL2 Configure Summary:\n"

  4122 if test x$enable_shared = xyes; then

  4123     SUMMARY="${SUMMARY}Building Shared Libraries\n"

  4124 fi

  4125 if test x$enable_static = xyes; then

  4126     SUMMARY="${SUMMARY}Building Static Libraries\n"

  4127 fi

  4128 SUMMARY="${SUMMARY}Enabled modules :${SUMMARY_modules}\n"

  4129 SUMMARY="${SUMMARY}Assembly Math   :${SUMMARY_math}\n"

  4130 SUMMARY="${SUMMARY}Audio drivers   :${SUMMARY_audio}\n"

  4131 SUMMARY="${SUMMARY}Video drivers   :${SUMMARY_video}\n"

  4132 if test x$have_x = xyes; then

  4133     SUMMARY="${SUMMARY}X11 libraries   :${SUMMARY_video_x11}\n"

  4134 fi

  4135 SUMMARY="${SUMMARY}Input drivers   :${SUMMARY_input}\n"

  4136 if test x$have_samplerate_h_hdr = xyes; then

  4137     SUMMARY="${SUMMARY}Using libsamplerate : YES\n"

  4138 else

  4139     SUMMARY="${SUMMARY}Using libsamplerate : NO\n"

  4140 fi

  4141 if test x$have_libudev_h_hdr = xyes; then

  4142     SUMMARY="${SUMMARY}Using libudev       : YES\n"

  4143 else

  4144     SUMMARY="${SUMMARY}Using libudev       : NO\n"

  4145 fi

  4146 if test x$have_dbus_dbus_h_hdr = xyes; then

  4147     SUMMARY="${SUMMARY}Using dbus          : YES\n"

  4148 else

  4149     SUMMARY="${SUMMARY}Using dbus          : NO\n"

  4150 fi

  4151 if test x$enable_ime = xyes; then

  4152     SUMMARY="${SUMMARY}Using ime           : YES\n"

  4153 else

  4154     SUMMARY="${SUMMARY}Using ime           : NO\n"

  4155 fi

  4156 if test x$have_ibus_ibus_h_hdr = xyes; then

  4157     SUMMARY="${SUMMARY}Using ibus          : YES\n"

  4158 else

  4159     SUMMARY="${SUMMARY}Using ibus          : NO\n"

  4160 fi

  4161 if test x$have_fcitx_frontend_h_hdr = xyes; then

  4162     SUMMARY="${SUMMARY}Using fcitx         : YES\n"

  4163 else

  4164     SUMMARY="${SUMMARY}Using fcitx         : NO\n"

  4165 fi

  4166 AC_CONFIG_COMMANDS([summary], [echo -en "$SUMMARY"], [SUMMARY="$SUMMARY"])

  4168 AC_OUTPUT

author	Ozkan Sezer
	Sun, 01 Jul 2018 17:01:04 +0300
changeset 12054	e604fe493d45
parent 12035	1a7dec71e8e0
child 12055	bf70bfa02215
permissions	-rw-r--r--