configure.in
author Sam Lantinga <slouken@libsdl.org>
Mon, 21 Aug 2017 11:17:38 -0700
changeset 11335 a9f4f63b5add
parent 11326 ba4fe3686323
child 11337 d9f24e95e8ba
permissions -rw-r--r--
configury: check mmdeviceapi.h and audioclient.h before enabling wasapi.
     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])
     6 
     7 dnl Save the CFLAGS to see whether they were passed in or generated
     8 orig_CFLAGS="$CFLAGS"
     9 
    10 dnl Set various version strings - taken gratefully from the GTk sources
    11 #
    12 # Making releases:
    13 # Edit include/SDL_version.h and change the version, then:
    14 #   SDL_MICRO_VERSION += 1;
    15 #   SDL_INTERFACE_AGE += 1;
    16 #   SDL_BINARY_AGE += 1;
    17 # if any functions have been added, set SDL_INTERFACE_AGE to 0.
    18 # if backwards compatibility has been broken,
    19 # set SDL_BINARY_AGE and SDL_INTERFACE_AGE to 0.
    20 #
    21 SDL_MAJOR_VERSION=2
    22 SDL_MINOR_VERSION=0
    23 SDL_MICRO_VERSION=6
    24 SDL_INTERFACE_AGE=0
    25 SDL_BINARY_AGE=6
    26 SDL_VERSION=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION.$SDL_MICRO_VERSION
    27 
    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)
    34 
    35 # libtool versioning
    36 LT_INIT([win32-dll])
    37 
    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 - $SDL_INTERFACE_AGE`
    42 m4_pattern_allow([^LT_])
    43 
    44 AC_SUBST(LT_RELEASE)
    45 AC_SUBST(LT_CURRENT)
    46 AC_SUBST(LT_REVISION)
    47 AC_SUBST(LT_AGE)
    48 
    49 dnl Detect the canonical build and host environments
    50 dnl AC_CANONICAL_HOST
    51 
    52 dnl Check for tools
    53 AC_PROG_LIBTOOL
    54 AC_PROG_CC
    55 AC_PROG_CXX
    56 AC_PROG_INSTALL
    57 AC_PROG_MAKE_SET
    58 AC_CHECK_TOOL(WINDRES, [windres], [:])
    59 
    60 dnl Make sure that srcdir is a full pathname
    61 case "$host" in
    62     *-*-mingw32*)
    63         # Except on msys, where make can't handle full pathnames (bug 1972)
    64         ;;
    65     *)
    66         srcdir=`cd $srcdir && pwd`
    67         ;;
    68 esac
    69 
    70 dnl Set up the compiler and linker flags
    71 INCLUDE="-I$srcdir/include"
    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"
    89 
    90         AC_TRY_COMPILE([
    91         ],[
    92         ],[
    93         have_no_cygwin=yes
    94         ])
    95         AC_MSG_RESULT($have_no_cygwin)
    96         CFLAGS="$save_CFLAGS"
    97 
    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 $BASE_LDFLAGS"
   127 CPPFLAGS="$CPPFLAGS $EXTRA_CFLAGS"
   128 CFLAGS="$CFLAGS $EXTRA_CFLAGS"
   129 LDFLAGS="$LDFLAGS $EXTRA_LDFLAGS"
   130 
   131 dnl set this to use on systems that use lib64 instead of lib
   132 base_libdir=`echo \${libdir} | sed 's/.*\/\(.*\)/\1/; q'`
   133 
   134 dnl Function to find a library in the compiler search path
   135 find_lib()
   136 {
   137     gcc_bin_path=[`$CC -print-search-dirs 2>/dev/null | fgrep programs: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
   138     gcc_lib_path=[`$CC -print-search-dirs 2>/dev/null | fgrep libraries: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
   139     env_lib_path=[`echo $LIBS $LDFLAGS $* | sed 's/-L[ ]*//g'`]
   140     if test "$cross_compiling" = yes; then
   141         host_lib_path=""
   142     else
   143         host_lib_path="/usr/$base_libdir /usr/local/$base_libdir"
   144     fi
   145     for path in $env_lib_path $gcc_bin_path $gcc_lib_path $host_lib_path; do
   146         lib=[`ls -- $path/$1 2>/dev/null | sed -e '/\.so\..*\./d' -e 's,.*/,,' | sort | tail -1`]
   147         if test x$lib != x; then
   148             echo $lib
   149             return
   150         fi
   151     done
   152 }
   153 
   154 dnl Check for compiler characteristics
   155 AC_C_CONST
   156 AC_C_INLINE
   157 AC_C_VOLATILE
   158 
   159 dnl See whether we want assertions for debugging/sanity checking SDL itself.
   160 AC_ARG_ENABLE(assertions,
   161 AC_HELP_STRING([--enable-assertions],
   162                [Enable internal sanity checks (auto/disabled/release/enabled/paranoid) [[default=auto]]]),
   163               , enable_assertions=auto)
   164 case "$enable_assertions" in
   165     auto) # Use optimization settings to determine assertion level
   166         ;;
   167     disabled)
   168         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 0, [ ])
   169         ;;
   170     release)
   171         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 1, [ ])
   172         ;;
   173     enabled)
   174         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 2, [ ])
   175         ;;
   176     paranoid)
   177         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 3, [ ])
   178         ;;
   179     *)
   180         AC_MSG_ERROR([*** unknown assertion level. stop.])
   181         ;;
   182 esac
   183 
   184 dnl See whether we can use gcc style dependency tracking
   185 AC_ARG_ENABLE(dependency-tracking,
   186 AC_HELP_STRING([--enable-dependency-tracking],
   187                [Use gcc -MMD -MT dependency tracking [[default=yes]]]),
   188               , enable_dependency_tracking=yes)
   189 if test x$enable_dependency_tracking = xyes; then
   190     have_gcc_mmd_mt=no
   191     AC_MSG_CHECKING(for GCC -MMD -MT option)
   192     AC_TRY_COMPILE([
   193     #if !defined(__GNUC__) || __GNUC__ < 3
   194     #error Dependency tracking requires GCC 3.0 or newer
   195     #endif
   196     ],[
   197     ],[
   198     have_gcc_mmd_mt=yes
   199     ])
   200     AC_MSG_RESULT($have_gcc_mmd_mt)
   201 
   202     if test x$have_gcc_mmd_mt = xyes; then
   203         DEPENDENCY_TRACKING_OPTIONS="-MMD -MT \$@"
   204     fi
   205 fi
   206 
   207 AC_MSG_CHECKING(for linker option --no-undefined)
   208 have_no_undefined=no
   209 case "$host" in
   210     dnl Skip this on platforms where it is just simply busted.
   211     *-*-openbsd*)
   212         ;;
   213 
   214     *)
   215         save_LDFLAGS="$LDFLAGS"
   216         LDFLAGS="$LDFLAGS -Wl,--no-undefined"
   217         AC_TRY_LINK([
   218         ],[
   219         ],[
   220         have_no_undefined=yes
   221         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,--no-undefined"
   222         ])
   223         LDFLAGS="$save_LDFLAGS"
   224         ;;
   225 esac
   226 AC_MSG_RESULT($have_no_undefined)
   227 
   228 dnl See whether we are allowed to use the system C library
   229 AC_ARG_ENABLE(libc,
   230 AC_HELP_STRING([--enable-libc], [Use the system C library [[default=yes]]]),
   231               , enable_libc=yes)
   232 if test x$enable_libc = xyes; then
   233     AC_DEFINE(HAVE_LIBC, 1, [ ])
   234 
   235     dnl Check for C library headers
   236     AC_HEADER_STDC
   237     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 ctype.h math.h iconv.h signal.h)
   238 
   239     dnl Check for typedefs, structures, etc.
   240     AC_TYPE_SIZE_T
   241 
   242     dnl Check for defines
   243     AC_CHECK_DEFINE(M_PI, math.h)
   244 
   245     dnl Checks for library functions.
   246     case "$host" in
   247     *-*-cygwin* | *-*-mingw32*)
   248         ;;
   249     *)
   250         AC_FUNC_ALLOCA
   251         ;;
   252     esac
   253 
   254     AC_FUNC_MEMCMP
   255     if test x$ac_cv_func_memcmp_working = xyes; then
   256         AC_DEFINE(HAVE_MEMCMP, 1, [ ])
   257     fi
   258     AC_FUNC_STRTOD
   259     if test x$ac_cv_func_strtod = xyes; then
   260         AC_DEFINE(HAVE_STRTOD, 1, [ ])
   261     fi
   262     AC_CHECK_FUNC(mprotect,
   263         AC_TRY_COMPILE([
   264           #include <sys/types.h>
   265           #include <sys/mman.h>
   266         ],[
   267         ],[
   268         AC_DEFINE(HAVE_MPROTECT, 1, [ ])
   269         ]),
   270     )
   271     AC_CHECK_FUNCS(malloc calloc realloc free getenv setenv putenv unsetenv qsort abs bcopy memset memcpy memmove wcslen wcslcpy wcslcat wcscmp strlen strlcpy strlcat strdup _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp vsscanf vsnprintf fopen64 fseeko fseeko64 sigaction setjmp nanosleep sysconf sysctlbyname getauxval poll)
   272 
   273     AC_CHECK_LIB(m, pow, [LIBS="$LIBS -lm"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm"])
   274     AC_CHECK_FUNCS(atan atan2 acos asin ceil copysign cos cosf fabs floor log pow scalbn sin sinf sqrt sqrtf tan tanf)
   275 
   276     AC_CHECK_LIB(iconv, iconv_open, [LIBS="$LIBS -liconv"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -liconv"])
   277     AC_CHECK_FUNCS(iconv)
   278 
   279     AC_CHECK_MEMBER(struct sigaction.sa_sigaction,[AC_DEFINE([HAVE_SA_SIGACTION], 1, [ ])], ,[#include <signal.h>])
   280 fi
   281 
   282 dnl AC_CHECK_SIZEOF(void*)
   283 
   284 dnl See whether we can use gcc atomic operations on this architecture
   285 AC_ARG_ENABLE(gcc-atomics,
   286 AC_HELP_STRING([--enable-gcc-atomics],
   287                [Use gcc builtin atomics [[default=yes]]]),
   288               , enable_gcc_atomics=yes)
   289 if test x$enable_gcc_atomics = xyes; then
   290     have_gcc_atomics=no
   291     AC_MSG_CHECKING(for GCC builtin atomic operations)
   292     AC_TRY_LINK([
   293     ],[
   294     int a;
   295     void *x, *y, *z;
   296     __sync_lock_test_and_set(&a, 4);
   297     __sync_lock_test_and_set(&x, y);
   298     __sync_fetch_and_add(&a, 1);
   299     __sync_bool_compare_and_swap(&a, 5, 10);
   300     __sync_bool_compare_and_swap(&x, y, z);
   301     ],[
   302     have_gcc_atomics=yes
   303     ])
   304     AC_MSG_RESULT($have_gcc_atomics)
   305 
   306     if test x$have_gcc_atomics = xyes; then
   307         AC_DEFINE(HAVE_GCC_ATOMICS, 1, [ ])
   308     else
   309         # See if we have the minimum operation needed for GCC atomics
   310         AC_TRY_LINK([
   311         ],[
   312         int a;
   313         __sync_lock_test_and_set(&a, 1);
   314         __sync_lock_release(&a);
   315         ],[
   316         have_gcc_sync_lock_test_and_set=yes
   317         ])
   318         if test x$have_gcc_sync_lock_test_and_set = xyes; then
   319             AC_DEFINE(HAVE_GCC_SYNC_LOCK_TEST_AND_SET, 1, [ ])
   320         fi
   321     fi
   322 fi
   323 
   324 # Standard C sources
   325 SOURCES="$SOURCES $srcdir/src/*.c"
   326 SOURCES="$SOURCES $srcdir/src/atomic/*.c"
   327 SOURCES="$SOURCES $srcdir/src/audio/*.c"
   328 SOURCES="$SOURCES $srcdir/src/cpuinfo/*.c"
   329 SOURCES="$SOURCES $srcdir/src/dynapi/*.c"
   330 SOURCES="$SOURCES $srcdir/src/events/*.c"
   331 SOURCES="$SOURCES $srcdir/src/file/*.c"
   332 SOURCES="$SOURCES $srcdir/src/haptic/*.c"
   333 SOURCES="$SOURCES $srcdir/src/joystick/*.c"
   334 SOURCES="$SOURCES $srcdir/src/libm/*.c"
   335 SOURCES="$SOURCES $srcdir/src/power/*.c"
   336 #SOURCES="$SOURCES $srcdir/src/filesystem/*.c"
   337 SOURCES="$SOURCES $srcdir/src/render/*.c"
   338 SOURCES="$SOURCES $srcdir/src/render/*/*.c"
   339 SOURCES="$SOURCES $srcdir/src/stdlib/*.c"
   340 SOURCES="$SOURCES $srcdir/src/thread/*.c"
   341 SOURCES="$SOURCES $srcdir/src/timer/*.c"
   342 SOURCES="$SOURCES $srcdir/src/video/*.c"
   343 
   344 dnl Enable/disable various subsystems of the SDL library
   345 
   346 AC_ARG_ENABLE(atomic,
   347 AC_HELP_STRING([--enable-atomic], [Enable the atomic operations subsystem [[default=yes]]]),
   348               , enable_atomic=yes)
   349 if test x$enable_atomic != xyes; then
   350     AC_DEFINE(SDL_ATOMIC_DISABLED, 1, [ ])
   351 else
   352     SUMMARY_modules="${SUMMARY_modules} atomic"
   353 fi
   354 AC_ARG_ENABLE(audio,
   355 AC_HELP_STRING([--enable-audio], [Enable the audio subsystem [[default=yes]]]),
   356               , enable_audio=yes)
   357 if test x$enable_audio != xyes; then
   358     AC_DEFINE(SDL_AUDIO_DISABLED, 1, [ ])
   359 else
   360     SUMMARY_modules="${SUMMARY_modules} audio"
   361 fi
   362 AC_ARG_ENABLE(video,
   363 AC_HELP_STRING([--enable-video], [Enable the video subsystem [[default=yes]]]),
   364               , enable_video=yes)
   365 if test x$enable_video != xyes; then
   366     AC_DEFINE(SDL_VIDEO_DISABLED, 1, [ ])
   367 else
   368     SUMMARY_modules="${SUMMARY_modules} video"
   369 fi
   370 AC_ARG_ENABLE(render,
   371 AC_HELP_STRING([--enable-render], [Enable the render subsystem [[default=yes]]]),
   372               , enable_render=yes)
   373 if test x$enable_render != xyes; then
   374     AC_DEFINE(SDL_RENDER_DISABLED, 1, [ ])
   375 else
   376     SUMMARY_modules="${SUMMARY_modules} render"
   377 fi
   378 AC_ARG_ENABLE(events,
   379 AC_HELP_STRING([--enable-events], [Enable the events subsystem [[default=yes]]]),
   380               , enable_events=yes)
   381 if test x$enable_events != xyes; then
   382     AC_DEFINE(SDL_EVENTS_DISABLED, 1, [ ])
   383 else
   384     SUMMARY_modules="${SUMMARY_modules} events"
   385 fi
   386 AC_ARG_ENABLE(joystick,
   387 AC_HELP_STRING([--enable-joystick], [Enable the joystick subsystem [[default=yes]]]),
   388               , enable_joystick=yes)
   389 if test x$enable_joystick != xyes; then
   390     AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
   391 else
   392     SUMMARY_modules="${SUMMARY_modules} joystick"
   393 fi
   394 AC_ARG_ENABLE(haptic,
   395 AC_HELP_STRING([--enable-haptic], [Enable the haptic (force feedback) subsystem [[default=yes]]]),
   396               , enable_haptic=yes)
   397 if test x$enable_haptic != xyes; then
   398     AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
   399 else
   400     SUMMARY_modules="${SUMMARY_modules} haptic"
   401 fi
   402 AC_ARG_ENABLE(power,
   403 AC_HELP_STRING([--enable-power], [Enable the power subsystem [[default=yes]]]),
   404               , enable_power=yes)
   405 if test x$enable_power != xyes; then
   406     AC_DEFINE(SDL_POWER_DISABLED, 1, [ ])
   407 else
   408     SUMMARY_modules="${SUMMARY_modules} power"
   409 fi
   410 AC_ARG_ENABLE(filesystem,
   411 AC_HELP_STRING([--enable-filesystem], [Enable the filesystem subsystem [[default=yes]]]),
   412               , enable_filesystem=yes)
   413 if test x$enable_filesystem != xyes; then
   414     AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
   415 else
   416     SUMMARY_modules="${SUMMARY_modules} filesystem"
   417 fi
   418 AC_ARG_ENABLE(threads,
   419 AC_HELP_STRING([--enable-threads], [Enable the threading subsystem [[default=yes]]]),
   420               , enable_threads=yes)
   421 if test x$enable_threads != xyes; then
   422     AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
   423 else
   424     SUMMARY_modules="${SUMMARY_modules} threads"
   425 fi
   426 AC_ARG_ENABLE(timers,
   427 AC_HELP_STRING([--enable-timers], [Enable the timer subsystem [[default=yes]]]),
   428               , enable_timers=yes)
   429 if test x$enable_timers != xyes; then
   430     AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
   431 else
   432     SUMMARY_modules="${SUMMARY_modules} timers"
   433 fi
   434 AC_ARG_ENABLE(file,
   435 AC_HELP_STRING([--enable-file], [Enable the file subsystem [[default=yes]]]),
   436               , enable_file=yes)
   437 if test x$enable_file != xyes; then
   438     AC_DEFINE(SDL_FILE_DISABLED, 1, [ ])
   439 else
   440     SUMMARY_modules="${SUMMARY_modules} file"
   441 fi
   442 AC_ARG_ENABLE(loadso,
   443 AC_HELP_STRING([--enable-loadso], [Enable the shared object loading subsystem [[default=yes]]]),
   444               , enable_loadso=yes)
   445 if test x$enable_loadso != xyes; then
   446     AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
   447 else
   448     SUMMARY_modules="${SUMMARY_modules} loadso"
   449 fi
   450 AC_ARG_ENABLE(cpuinfo,
   451 AC_HELP_STRING([--enable-cpuinfo], [Enable the cpuinfo subsystem [[default=yes]]]),
   452               , enable_cpuinfo=yes)
   453 if test x$enable_cpuinfo != xyes; then
   454     AC_DEFINE(SDL_CPUINFO_DISABLED, 1, [ ])
   455 else
   456     SUMMARY_modules="${SUMMARY_modules} cpuinfo"
   457 fi
   458 AC_ARG_ENABLE(assembly,
   459 AC_HELP_STRING([--enable-assembly], [Enable assembly routines [[default=yes]]]),
   460               , enable_assembly=yes)
   461 if test x$enable_assembly = xyes; then
   462     SUMMARY_modules="${SUMMARY_modules} assembly"
   463 
   464     AC_DEFINE(SDL_ASSEMBLY_ROUTINES, 1, [ ])
   465 
   466     # Make sure that we don't generate floating point code that would
   467     # cause illegal instruction exceptions on older processors
   468     case "$host" in
   469         *-*-darwin*)
   470             # Don't need to worry about Apple hardware, it's all SSE capable
   471             default_ssemath=yes
   472             ;;
   473         *64-*-*)
   474             # x86 64-bit architectures all have SSE instructions
   475             default_ssemath=yes
   476             ;;
   477         *)
   478             default_ssemath=no
   479             ;;
   480     esac
   481     AC_ARG_ENABLE(ssemath,
   482 AC_HELP_STRING([--enable-ssemath], [Allow GCC to use SSE floating point math [[default=maybe]]]),
   483                   , enable_ssemath=$default_ssemath)
   484     if test x$enable_ssemath = xno; then
   485         if test x$have_gcc_sse = xyes -o x$have_gcc_sse2 = xyes -o x$have_gcc_sse3 = xyes; then
   486             EXTRA_CFLAGS="$EXTRA_CFLAGS -mfpmath=387"
   487         fi
   488     fi
   489 
   490     dnl Check for various instruction support
   491     AC_ARG_ENABLE(mmx,
   492 AC_HELP_STRING([--enable-mmx], [use MMX assembly routines [[default=yes]]]),
   493                   , enable_mmx=yes)
   494     if test x$enable_mmx = xyes; then
   495         save_CFLAGS="$CFLAGS"
   496         have_gcc_mmx=no
   497         AC_MSG_CHECKING(for GCC -mmmx option)
   498         mmx_CFLAGS="-mmmx"
   499         CFLAGS="$save_CFLAGS $mmx_CFLAGS"
   500 
   501         AC_TRY_COMPILE([
   502         #ifdef __MINGW32__
   503         #include <_mingw.h>
   504         #ifdef __MINGW64_VERSION_MAJOR
   505         #include <intrin.h>
   506         #else
   507         #include <mmintrin.h>
   508         #endif
   509         #else
   510         #include <mmintrin.h>
   511         #endif
   512         #ifndef __MMX__
   513         #error Assembler CPP flag not enabled
   514         #endif
   515         ],[
   516         ],[
   517         have_gcc_mmx=yes
   518         ])
   519         AC_MSG_RESULT($have_gcc_mmx)
   520         CFLAGS="$save_CFLAGS"
   521 
   522         if test x$have_gcc_mmx = xyes; then
   523             EXTRA_CFLAGS="$EXTRA_CFLAGS $mmx_CFLAGS"
   524             SUMMARY_math="${SUMMARY_math} mmx"
   525         fi
   526     fi
   527 
   528     AC_ARG_ENABLE(3dnow,
   529 AC_HELP_STRING([--enable-3dnow], [use 3DNow! assembly routines [[default=yes]]]),
   530                   , enable_3dnow=yes)
   531     if test x$enable_3dnow = xyes; then
   532         save_CFLAGS="$CFLAGS"
   533         have_gcc_3dnow=no
   534         AC_MSG_CHECKING(for GCC -m3dnow option)
   535         amd3dnow_CFLAGS="-m3dnow"
   536         CFLAGS="$save_CFLAGS $amd3dnow_CFLAGS"
   537 
   538         AC_TRY_LINK([
   539         #include <mm3dnow.h>
   540         #ifndef __3dNOW__
   541         #error Assembler CPP flag not enabled
   542         #endif
   543         ],[
   544         void *p = 0;
   545         _m_prefetch(p);
   546         ],[
   547         have_gcc_3dnow=yes
   548         ])
   549         AC_MSG_RESULT($have_gcc_3dnow)
   550         CFLAGS="$save_CFLAGS"
   551 
   552         if test x$have_gcc_3dnow = xyes; then
   553             EXTRA_CFLAGS="$EXTRA_CFLAGS $amd3dnow_CFLAGS"
   554             SUMMARY_math="${SUMMARY_math} 3dnow"
   555         fi
   556     fi
   557 
   558     AC_ARG_ENABLE(sse,
   559 AC_HELP_STRING([--enable-sse], [use SSE assembly routines [[default=yes]]]),
   560                   , enable_sse=yes)
   561     if test x$enable_sse = xyes; then
   562         save_CFLAGS="$CFLAGS"
   563         have_gcc_sse=no
   564         AC_MSG_CHECKING(for GCC -msse option)
   565         sse_CFLAGS="-msse"
   566         CFLAGS="$save_CFLAGS $sse_CFLAGS"
   567 
   568         AC_TRY_COMPILE([
   569         #ifdef __MINGW32__
   570         #include <_mingw.h>
   571         #ifdef __MINGW64_VERSION_MAJOR
   572         #include <intrin.h>
   573         #else
   574         #include <xmmintrin.h>
   575         #endif
   576         #else
   577         #include <xmmintrin.h>
   578         #endif
   579         #ifndef __SSE__
   580         #error Assembler CPP flag not enabled
   581         #endif
   582         ],[
   583         ],[
   584         have_gcc_sse=yes
   585         ])
   586         AC_MSG_RESULT($have_gcc_sse)
   587         CFLAGS="$save_CFLAGS"
   588 
   589         if test x$have_gcc_sse = xyes; then
   590             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse_CFLAGS"
   591             SUMMARY_math="${SUMMARY_math} sse"
   592         fi
   593     fi
   594 
   595     AC_ARG_ENABLE(sse2,
   596 AC_HELP_STRING([--enable-sse2], [use SSE2 assembly routines [[default=maybe]]]),
   597                   , enable_sse2=$default_ssemath)
   598     if test x$enable_sse2 = xyes; then
   599         save_CFLAGS="$CFLAGS"
   600         have_gcc_sse2=no
   601         AC_MSG_CHECKING(for GCC -msse2 option)
   602         sse2_CFLAGS="-msse2"
   603         CFLAGS="$save_CFLAGS $sse2_CFLAGS"
   604 
   605         AC_TRY_COMPILE([
   606         #ifdef __MINGW32__
   607         #include <_mingw.h>
   608         #ifdef __MINGW64_VERSION_MAJOR
   609         #include <intrin.h>
   610         #else
   611         #include <emmintrin.h>
   612         #endif
   613         #else
   614         #include <emmintrin.h>
   615         #endif
   616         #ifndef __SSE2__
   617         #error Assembler CPP flag not enabled
   618         #endif
   619         ],[
   620         ],[
   621         have_gcc_sse2=yes
   622         ])
   623         AC_MSG_RESULT($have_gcc_sse2)
   624         CFLAGS="$save_CFLAGS"
   625 
   626         if test x$have_gcc_sse2 = xyes; then
   627             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse2_CFLAGS"
   628             SUMMARY_math="${SUMMARY_math} sse2"
   629         fi
   630     fi
   631 
   632     AC_ARG_ENABLE(sse3,
   633 AC_HELP_STRING([--enable-sse3], [use SSE3 assembly routines [[default=maybe]]]),
   634                   , enable_sse3=$default_ssemath)
   635     if test x$enable_sse3 = xyes; then
   636         save_CFLAGS="$CFLAGS"
   637         have_gcc_sse3=no
   638         AC_MSG_CHECKING(for GCC -msse3 option)
   639         sse3_CFLAGS="-msse3"
   640         CFLAGS="$save_CFLAGS $sse3_CFLAGS"
   641 
   642         AC_TRY_COMPILE([
   643         #ifdef __MINGW32__
   644         #include <_mingw.h>
   645         #ifdef __MINGW64_VERSION_MAJOR
   646         #include <intrin.h>
   647         #else
   648         #include <pmmintrin.h>
   649         #endif
   650         #else
   651         #include <pmmintrin.h>
   652         #endif
   653         #ifndef __SSE2__
   654         #error Assembler CPP flag not enabled
   655         #endif
   656         ],[
   657         ],[
   658         have_gcc_sse3=yes
   659         ])
   660         AC_MSG_RESULT($have_gcc_sse3)
   661         CFLAGS="$save_CFLAGS"
   662 
   663         if test x$have_gcc_sse3 = xyes; then
   664             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse3_CFLAGS"
   665             SUMMARY_math="${SUMMARY_math} sse3"
   666         fi
   667     fi
   668 
   669     AC_ARG_ENABLE(altivec,
   670 AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]]]),
   671                   , enable_altivec=yes)
   672     if test x$enable_altivec = xyes; then
   673         save_CFLAGS="$CFLAGS"
   674         have_gcc_altivec=no
   675         have_altivec_h_hdr=no
   676         altivec_CFLAGS="-maltivec"
   677         CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   678 
   679         AC_MSG_CHECKING(for Altivec with GCC altivec.h and -maltivec option)
   680         AC_TRY_COMPILE([
   681         #include <altivec.h>
   682         vector unsigned int vzero() {
   683             return vec_splat_u32(0);
   684         }
   685         ],[
   686         ],[
   687         have_gcc_altivec=yes
   688         have_altivec_h_hdr=yes
   689         ])
   690         AC_MSG_RESULT($have_gcc_altivec)
   691 
   692         if test x$have_gcc_altivec = xno; then
   693             AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
   694             AC_TRY_COMPILE([
   695             vector unsigned int vzero() {
   696                 return vec_splat_u32(0);
   697             }
   698             ],[
   699             ],[
   700             have_gcc_altivec=yes
   701             ])
   702             AC_MSG_RESULT($have_gcc_altivec)
   703         fi
   704 
   705         if test x$have_gcc_altivec = xno; then
   706             AC_MSG_CHECKING(for Altivec with GCC altivec.h and -faltivec option)
   707             altivec_CFLAGS="-faltivec"
   708             CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   709             AC_TRY_COMPILE([
   710             #include <altivec.h>
   711             vector unsigned int vzero() {
   712                 return vec_splat_u32(0);
   713             }
   714             ],[
   715             ],[
   716             have_gcc_altivec=yes
   717             have_altivec_h_hdr=yes
   718             ])
   719             AC_MSG_RESULT($have_gcc_altivec)
   720         fi
   721 
   722         if test x$have_gcc_altivec = xno; then
   723             AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
   724             AC_TRY_COMPILE([
   725             vector unsigned int vzero() {
   726                 return vec_splat_u32(0);
   727             }
   728             ],[
   729             ],[
   730             have_gcc_altivec=yes
   731             ])
   732             AC_MSG_RESULT($have_gcc_altivec)
   733         fi
   734         CFLAGS="$save_CFLAGS"
   735 
   736         if test x$have_gcc_altivec = xyes; then
   737             AC_DEFINE(SDL_ALTIVEC_BLITTERS, 1, [ ])
   738             if test x$have_altivec_h_hdr = xyes; then
   739               AC_DEFINE(HAVE_ALTIVEC_H, 1, [ ])
   740             fi
   741             EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
   742             SUMMARY_math="${SUMMARY_math} altivec"
   743         fi
   744     fi
   745 fi
   746 
   747 dnl See if the OSS audio interface is supported
   748 CheckOSS()
   749 {
   750     AC_ARG_ENABLE(oss,
   751 AC_HELP_STRING([--enable-oss], [support the OSS audio API [[default=maybe]]]),
   752                   , enable_oss=maybe)
   753 
   754     # OpenBSD "has" OSS, but it's not really for app use. They want you to
   755     #  use sndio instead. So on there, we default to disabled. You can force
   756     #  it on if you really want, though.
   757     if test x$enable_oss = xmaybe; then
   758         enable_oss=yes
   759         case "$host" in
   760             *-*-openbsd*)
   761                 enable_oss=no;;
   762         esac
   763     fi
   764 
   765     if test x$enable_audio = xyes -a x$enable_oss = xyes; then
   766         AC_MSG_CHECKING(for OSS audio support)
   767         have_oss=no
   768         if test x$have_oss != xyes; then
   769             AC_TRY_COMPILE([
   770               #include <sys/soundcard.h>
   771             ],[
   772               int arg = SNDCTL_DSP_SETFRAGMENT;
   773             ],[
   774             have_oss=yes
   775             ])
   776         fi
   777         if test x$have_oss != xyes; then
   778             AC_TRY_COMPILE([
   779               #include <soundcard.h>
   780             ],[
   781               int arg = SNDCTL_DSP_SETFRAGMENT;
   782             ],[
   783             have_oss=yes
   784             AC_DEFINE(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H, 1, [ ])
   785             ])
   786         fi
   787         AC_MSG_RESULT($have_oss)
   788         if test x$have_oss = xyes; then
   789             SUMMARY_audio="${SUMMARY_audio} oss"
   790             AC_DEFINE(SDL_AUDIO_DRIVER_OSS, 1, [ ])
   791             SOURCES="$SOURCES $srcdir/src/audio/dsp/*.c"
   792             have_audio=yes
   793 
   794             # We may need to link with ossaudio emulation library
   795             case "$host" in
   796                 *-*-openbsd*|*-*-netbsd*)
   797                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lossaudio";;
   798             esac
   799         fi
   800     fi
   801 }
   802 
   803 dnl See if the ALSA audio interface is supported
   804 CheckALSA()
   805 {
   806     AC_ARG_ENABLE(alsa,
   807 AC_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),
   808                   , enable_alsa=yes)
   809     if test x$enable_audio = xyes -a x$enable_alsa = xyes; then
   810         AM_PATH_ALSA(1.0.11, have_alsa=yes, have_alsa=no)
   811         # Restore all flags from before the ALSA detection runs
   812         CFLAGS="$alsa_save_CFLAGS"
   813         LDFLAGS="$alsa_save_LDFLAGS"
   814         LIBS="$alsa_save_LIBS"
   815         if test x$have_alsa = xyes; then
   816             AC_ARG_ENABLE(alsa-shared,
   817 AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
   818                           , enable_alsa_shared=yes)
   819             alsa_lib=[`find_lib "libasound.so.*" "$ALSA_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   820 
   821             AC_DEFINE(SDL_AUDIO_DRIVER_ALSA, 1, [ ])
   822             SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c"
   823             EXTRA_CFLAGS="$EXTRA_CFLAGS $ALSA_CFLAGS"
   824             if test x$have_loadso != xyes && \
   825                test x$enable_alsa_shared = xyes; then
   826                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading])
   827             fi
   828             if test x$have_loadso = xyes && \
   829                test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then
   830                 echo "-- dynamic libasound -> $alsa_lib"
   831                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ALSA_DYNAMIC, "$alsa_lib", [ ])
   832                 SUMMARY_audio="${SUMMARY_audio} alsa(dynamic)"
   833             else
   834                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ALSA_LIBS"
   835                 SUMMARY_audio="${SUMMARY_audio} alsa"
   836             fi
   837             have_audio=yes
   838         fi
   839     fi
   840 }
   841 
   842 dnl Find JACK Audio
   843 CheckJACK()
   844 {
   845     AC_ARG_ENABLE(jack,
   846 AC_HELP_STRING([--enable-jack], [use JACK audio [[default=yes]]]),
   847                   , enable_jack=yes)
   848     if test x$enable_audio = xyes -a x$enable_jack = xyes; then
   849         audio_jack=no
   850 
   851         JACK_REQUIRED_VERSION=0.125
   852 
   853         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
   854         AC_MSG_CHECKING(for JACK $JACK_REQUIRED_VERSION support)
   855         if test x$PKG_CONFIG != xno; then
   856         if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $JACK_REQUIRED_VERSION jack; then
   857                 JACK_CFLAGS=`$PKG_CONFIG --cflags jack`
   858                 JACK_LIBS=`$PKG_CONFIG --libs jack`
   859                 audio_jack=yes
   860             fi
   861         fi
   862         AC_MSG_RESULT($audio_jack)
   863 
   864         if test x$audio_jack = xyes; then
   865             AC_ARG_ENABLE(jack-shared,
   866 AC_HELP_STRING([--enable-jack-shared], [dynamically load JACK audio support [[default=yes]]]),
   867                           , enable_jack_shared=yes)
   868             jack_lib=[`find_lib "libjack.so.*" "$JACK_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   869 
   870             AC_DEFINE(SDL_AUDIO_DRIVER_JACK, 1, [ ])
   871             SOURCES="$SOURCES $srcdir/src/audio/jack/*.c"
   872             EXTRA_CFLAGS="$EXTRA_CFLAGS $JACK_CFLAGS"
   873             if test x$have_loadso != xyes && \
   874                test x$enable_jack_shared = xyes; then
   875                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic JACK audio loading])
   876             fi
   877             if test x$have_loadso = xyes && \
   878                test x$enable_jack_shared = xyes && test x$jack_lib != x; then
   879                 echo "-- dynamic libjack -> $jack_lib"
   880                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_JACK_DYNAMIC, "$jack_lib", [ ])
   881                 SUMMARY_audio="${SUMMARY_audio} jack(dynamic)"
   882 
   883                 case "$host" in
   884                     # On Solaris, jack must be linked deferred explicitly
   885                     # to prevent undefined symbol failures.
   886                     *-*-solaris*)
   887                         JACK_LIBS=`echo $JACK_LIBS | sed 's/\-l/-Wl,-l/g'`
   888                         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-zdeferred $JACK_LIBS -Wl,-znodeferred"
   889                 esac
   890             else
   891                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $JACK_LIBS"
   892                 SUMMARY_audio="${SUMMARY_audio} jack"
   893             fi
   894             have_audio=yes
   895         fi
   896     fi
   897 }
   898 
   899 dnl Find the ESD includes and libraries
   900 CheckESD()
   901 {
   902     AC_ARG_ENABLE(esd,
   903 AC_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),
   904                   , enable_esd=yes)
   905     if test x$enable_audio = xyes -a x$enable_esd = xyes; then
   906         AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no)
   907         if test x$have_esd = xyes; then
   908             AC_ARG_ENABLE(esd-shared,
   909 AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
   910                           , enable_esd_shared=yes)
   911             esd_lib=[`find_lib "libesd.so.*" "$ESD_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   912 
   913             AC_DEFINE(SDL_AUDIO_DRIVER_ESD, 1, [ ])
   914             SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"
   915             EXTRA_CFLAGS="$EXTRA_CFLAGS $ESD_CFLAGS"
   916             if test x$have_loadso != xyes && \
   917                test x$enable_esd_shared = xyes; then
   918                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading])
   919             fi
   920             if test x$have_loadso = xyes && \
   921                test x$enable_esd_shared = xyes && test x$esd_lib != x; then
   922                 echo "-- dynamic libesd -> $esd_lib"
   923                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib", [ ])
   924                 SUMMARY_audio="${SUMMARY_audio} esd(dynamic)"
   925             else
   926                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ESD_LIBS"
   927                 SUMMARY_audio="${SUMMARY_audio} esd"
   928             fi
   929             have_audio=yes
   930         fi
   931     fi
   932 }
   933 
   934 dnl Find PulseAudio
   935 CheckPulseAudio()
   936 {
   937     AC_ARG_ENABLE(pulseaudio,
   938 AC_HELP_STRING([--enable-pulseaudio], [use PulseAudio [[default=yes]]]),
   939                   , enable_pulseaudio=yes)
   940     if test x$enable_audio = xyes -a x$enable_pulseaudio = xyes; then
   941         audio_pulseaudio=no
   942 
   943         PULSEAUDIO_REQUIRED_VERSION=0.9
   944 
   945         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
   946         AC_MSG_CHECKING(for PulseAudio $PULSEAUDIO_REQUIRED_VERSION support)
   947         if test x$PKG_CONFIG != xno; then
   948         if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $PULSEAUDIO_REQUIRED_VERSION libpulse-simple; then
   949                 PULSEAUDIO_CFLAGS=`$PKG_CONFIG --cflags libpulse-simple`
   950                 PULSEAUDIO_LIBS=`$PKG_CONFIG --libs libpulse-simple`
   951                 audio_pulseaudio=yes
   952             fi
   953         fi
   954         AC_MSG_RESULT($audio_pulseaudio)
   955 
   956         if test x$audio_pulseaudio = xyes; then
   957             AC_ARG_ENABLE(pulseaudio-shared,
   958 AC_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [[default=yes]]]),
   959                           , enable_pulseaudio_shared=yes)
   960             pulseaudio_lib=[`find_lib "libpulse-simple.so.*" "$PULSEAUDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   961 
   962             AC_DEFINE(SDL_AUDIO_DRIVER_PULSEAUDIO, 1, [ ])
   963             SOURCES="$SOURCES $srcdir/src/audio/pulseaudio/*.c"
   964             EXTRA_CFLAGS="$EXTRA_CFLAGS $PULSEAUDIO_CFLAGS"
   965             if test x$have_loadso != xyes && \
   966                test x$enable_pulseaudio_shared = xyes; then
   967                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic PulseAudio loading])
   968             fi
   969             if test x$have_loadso = xyes && \
   970                test x$enable_pulseaudio_shared = xyes && test x$pulseaudio_lib != x; then
   971                 echo "-- dynamic libpulse-simple -> $pulseaudio_lib"
   972                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC, "$pulseaudio_lib", [ ])
   973                 SUMMARY_audio="${SUMMARY_audio} pulse(dynamic)"
   974 
   975                 case "$host" in
   976                     # On Solaris, pulseaudio must be linked deferred explicitly
   977                     # to prevent undefined symbol failures.
   978                     *-*-solaris*)
   979                         PULSEAUDIO_LIBS=`echo $PULSEAUDIO_LIBS | sed 's/\-l/-Wl,-l/g'`
   980                         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-zdeferred $PULSEAUDIO_LIBS -Wl,-znodeferred"
   981                 esac
   982             else
   983                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $PULSEAUDIO_LIBS"
   984                 SUMMARY_audio="${SUMMARY_audio} pulse"
   985             fi
   986             have_audio=yes
   987         fi
   988     fi
   989 }
   990 
   991 CheckARTSC()
   992 {
   993     AC_ARG_ENABLE(arts,
   994 AC_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),
   995                   , enable_arts=yes)
   996     if test x$enable_audio = xyes -a x$enable_arts = xyes; then
   997         AC_PATH_PROG(ARTSCONFIG, artsc-config)
   998         if test x$ARTSCONFIG = x -o x$ARTSCONFIG = x'"$ARTSCONFIG"'; then
   999             : # arts isn't installed
  1000         else
  1001             ARTS_CFLAGS=`$ARTSCONFIG --cflags`
  1002             ARTS_LIBS=`$ARTSCONFIG --libs`
  1003             AC_MSG_CHECKING(for aRts development environment)
  1004             audio_arts=no
  1005             save_CFLAGS="$CFLAGS"
  1006             CFLAGS="$CFLAGS $ARTS_CFLAGS"
  1007             AC_TRY_COMPILE([
  1008              #include <artsc.h>
  1009             ],[
  1010              arts_stream_t stream;
  1011             ],[
  1012             audio_arts=yes
  1013             ])
  1014             CFLAGS="$save_CFLAGS"
  1015             AC_MSG_RESULT($audio_arts)
  1016             if test x$audio_arts = xyes; then
  1017                 AC_ARG_ENABLE(arts-shared,
  1018 AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
  1019                               , enable_arts_shared=yes)
  1020                 arts_lib=[`find_lib "libartsc.so.*" "$ARTS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1021 
  1022                 AC_DEFINE(SDL_AUDIO_DRIVER_ARTS, 1, [ ])
  1023                 SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"
  1024                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ARTS_CFLAGS"
  1025                 if test x$have_loadso != xyes && \
  1026                    test x$enable_arts_shared = xyes; then
  1027                     AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading])
  1028                 fi
  1029                 if test x$have_loadso = xyes && \
  1030                    test x$enable_arts_shared = xyes && test x$arts_lib != x; then
  1031                     echo "-- dynamic libartsc -> $arts_lib"
  1032                     AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib", [ ])
  1033                     SUMMARY_audio="${SUMMARY_audio} arts(dynamic)"
  1034                 else
  1035                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARTS_LIBS"
  1036                     SUMMARY_audio="${SUMMARY_audio} arts"
  1037                 fi
  1038                 have_audio=yes
  1039             fi
  1040         fi
  1041     fi
  1042 }
  1043 
  1044 dnl See if the NAS audio interface is supported
  1045 CheckNAS()
  1046 {
  1047     AC_ARG_ENABLE(nas,
  1048 AC_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),
  1049                   , enable_nas=yes)
  1050     if test x$enable_audio = xyes -a x$enable_nas = xyes; then
  1051         AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes)
  1052         AC_CHECK_LIB(audio, AuOpenServer, have_nas_lib=yes)
  1053 
  1054         AC_MSG_CHECKING(for NAS audio support)
  1055         have_nas=no
  1056 
  1057         if test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then
  1058             have_nas=yes
  1059             NAS_LIBS="-laudio"
  1060 
  1061         elif test -r /usr/X11R6/include/audio/audiolib.h; then
  1062             have_nas=yes
  1063             NAS_CFLAGS="-I/usr/X11R6/include/"
  1064             NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"
  1065 
  1066         fi
  1067 
  1068         AC_MSG_RESULT($have_nas)
  1069 
  1070         if test x$have_nas = xyes; then
  1071             AC_ARG_ENABLE(nas-shared,
  1072 AC_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [[default=yes]]]),
  1073                           , enable_nas_shared=yes)
  1074             nas_lib=[`find_lib "libaudio.so.*" "$NAS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1075 
  1076             if test x$have_loadso != xyes && \
  1077                test x$enable_nas_shared = xyes; then
  1078                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic NAS loading])
  1079             fi
  1080             if test x$have_loadso = xyes && \
  1081                test x$enable_nas_shared = xyes && test x$nas_lib != x; then
  1082                 echo "-- dynamic libaudio -> $nas_lib"
  1083                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_NAS_DYNAMIC, "$nas_lib", [ ])
  1084                 SUMMARY_audio="${SUMMARY_audio} nas(dynamic)"
  1085             else
  1086                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS"
  1087                 SUMMARY_audio="${SUMMARY_audio} nas"
  1088             fi
  1089 
  1090             AC_DEFINE(SDL_AUDIO_DRIVER_NAS, 1, [ ])
  1091             SOURCES="$SOURCES $srcdir/src/audio/nas/*.c"
  1092             EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS"
  1093             have_audio=yes
  1094         fi
  1095     fi
  1096 }
  1097 
  1098 dnl See if the sndio audio interface is supported
  1099 CheckSNDIO()
  1100 {
  1101     AC_ARG_ENABLE(sndio,
  1102 AC_HELP_STRING([--enable-sndio], [support the sndio audio API [[default=yes]]]),
  1103                   , enable_sndio=yes)
  1104     if test x$enable_audio = xyes -a x$enable_sndio = xyes; then
  1105         AC_CHECK_HEADER(sndio.h, have_sndio_hdr=yes)
  1106         AC_CHECK_LIB(sndio, sio_open, have_sndio_lib=yes)
  1107 
  1108         AC_MSG_CHECKING(for sndio audio support)
  1109         have_sndio=no
  1110 
  1111         if test x$have_sndio_hdr = xyes -a x$have_sndio_lib = xyes; then
  1112             have_sndio=yes
  1113             SNDIO_LIBS="-lsndio"
  1114         fi
  1115 
  1116         AC_MSG_RESULT($have_sndio)
  1117 
  1118         if test x$have_sndio = xyes; then
  1119             AC_ARG_ENABLE(sndio-shared,
  1120 AC_HELP_STRING([--enable-sndio-shared], [dynamically load sndio audio support [[default=yes]]]),
  1121                           , enable_sndio_shared=yes)
  1122             sndio_lib=[`find_lib "libsndio.so.*" "$SNDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1123 
  1124             if test x$have_loadso != xyes && \
  1125                test x$enable_sndio_shared = xyes; then
  1126                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic sndio loading])
  1127             fi
  1128             if test x$have_loadso = xyes && \
  1129                test x$enable_sndio_shared = xyes && test x$sndio_lib != x; then
  1130                 echo "-- dynamic libsndio -> $sndio_lib"
  1131                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_SNDIO_DYNAMIC, "$sndio_lib", [ ])
  1132                 SUMMARY_audio="${SUMMARY_audio} sndio(dynamic)"
  1133             else
  1134                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $SNDIO_LIBS"
  1135                 SUMMARY_audio="${SUMMARY_audio} sndio"
  1136             fi
  1137 
  1138             AC_DEFINE(SDL_AUDIO_DRIVER_SNDIO, 1, [ ])
  1139             SOURCES="$SOURCES $srcdir/src/audio/sndio/*.c"
  1140             EXTRA_CFLAGS="$EXTRA_CFLAGS $SNDIO_CFLAGS"
  1141             have_audio=yes
  1142         fi
  1143     fi
  1144 }
  1145 
  1146 dnl Find FusionSound
  1147 CheckFusionSound()
  1148 {
  1149     AC_ARG_ENABLE(fusionsound,
  1150 AC_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [[default=no]]]),
  1151                   , enable_fusionsound=no)
  1152     if test x$enable_audio = xyes -a x$enable_fusionsound = xyes; then
  1153         fusionsound=no
  1154 
  1155         FUSIONSOUND_REQUIRED_VERSION=1.1.1
  1156 
  1157         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1158         AC_MSG_CHECKING(for FusionSound $FUSIONSOUND_REQUIRED_VERSION support)
  1159         if test x$PKG_CONFIG != xno; then
  1160             if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $FUSIONSOUND_REQUIRED_VERSION fusionsound; then
  1161                 FUSIONSOUND_CFLAGS=`$PKG_CONFIG --cflags fusionsound`
  1162                 FUSIONSOUND_LIBS=`$PKG_CONFIG --libs fusionsound`
  1163                 fusionsound=yes
  1164             fi
  1165         fi
  1166         AC_MSG_RESULT($fusionsound)
  1167 
  1168         if test x$fusionsound = xyes; then
  1169             AC_DEFINE(SDL_AUDIO_DRIVER_FUSIONSOUND, 1, [ ])
  1170             SOURCES="$SOURCES $srcdir/src/audio/fusionsound/*.c"
  1171             EXTRA_CFLAGS="$EXTRA_CFLAGS $FUSIONSOUND_CFLAGS"
  1172             
  1173             AC_ARG_ENABLE(fusionsound-shared,
  1174 AC_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [[default=yes]]]),
  1175                           , enable_fusionsound_shared=yes)
  1176             fusionsound_shared=no
  1177             AC_MSG_CHECKING(for FusionSound dynamic loading support)
  1178             if test x$have_loadso != xyes && \
  1179                test x$enable_fusionsound_shared = xyes; then
  1180                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic fusionsound loading])
  1181             fi
  1182             if test x$have_loadso = xyes && \
  1183                test x$enable_fusionsound_shared = xyes; then
  1184                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC, "libfusionsound.so", [ ])
  1185                 fusionsound_shared=yes
  1186                 SUMMARY_audio="${SUMMARY_audio} fusionsound(dynamic)"
  1187             else
  1188                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $FUSIONSOUND_LIBS"
  1189                 SUMMARY_audio="${SUMMARY_audio} fusionsound"
  1190             fi
  1191             AC_MSG_RESULT($fusionsound_shared)
  1192             
  1193             have_audio=yes
  1194         fi
  1195     fi
  1196 }
  1197 
  1198 dnl rcg07142001 See if the user wants the disk writer audio driver...
  1199 CheckDiskAudio()
  1200 {
  1201     AC_ARG_ENABLE(diskaudio,
  1202 AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
  1203                   , enable_diskaudio=yes)
  1204     if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then
  1205         AC_DEFINE(SDL_AUDIO_DRIVER_DISK, 1, [ ])
  1206         SOURCES="$SOURCES $srcdir/src/audio/disk/*.c"
  1207         SUMMARY_audio="${SUMMARY_audio} disk"
  1208     fi
  1209 }
  1210 
  1211 dnl rcg03142006 See if the user wants the dummy audio driver...
  1212 CheckDummyAudio()
  1213 {
  1214     AC_ARG_ENABLE(dummyaudio,
  1215 AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
  1216                   , enable_dummyaudio=yes)
  1217     if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then
  1218         AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY, 1, [ ])
  1219         SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c"
  1220         SUMMARY_audio="${SUMMARY_audio} dummy"
  1221     fi
  1222 }
  1223 
  1224 dnl See if libsamplerate is available
  1225 CheckLibSampleRate()
  1226 {
  1227     AC_ARG_ENABLE(libsamplerate,
  1228 AC_HELP_STRING([--enable-libsamplerate], [use libsamplerate for audio rate conversion [[default=yes]]]),
  1229                   , enable_libsamplerate=yes)
  1230     if test x$enable_libsamplerate = xyes; then
  1231         AC_CHECK_HEADER(samplerate.h,
  1232                         have_samplerate_h_hdr=yes,
  1233                         have_samplerate_h_hdr=no)
  1234         if test x$have_samplerate_h_hdr = xyes; then
  1235             AC_DEFINE(HAVE_LIBSAMPLERATE_H, 1, [ ])
  1236 
  1237             AC_ARG_ENABLE(libsamplerate-shared,
  1238 AC_HELP_STRING([--enable-libsamplerate-shared], [dynamically load libsamplerate [[default=yes]]]),
  1239                           , enable_libsamplerate_shared=yes)
  1240 
  1241             samplerate_lib=[`find_lib "libsamplerate.so.*" "" | sed 's/.*\/\(.*\)/\1/; q'`]
  1242 
  1243             if test x$have_loadso != xyes && \
  1244                test x$enable_libsamplerate_shared = xyes; then
  1245                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic libsamplerate loading])
  1246             fi
  1247             if test x$have_loadso = xyes && \
  1248                test x$enable_libsamplerate_shared = xyes && test x$samplerate_lib != x; then
  1249                 echo "-- dynamic libsamplerate -> $samplerate_lib"
  1250                 AC_DEFINE_UNQUOTED(SDL_LIBSAMPLERATE_DYNAMIC, "$samplerate_lib", [ ])
  1251             else
  1252                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lsamplerate"
  1253             fi
  1254         fi
  1255     fi
  1256 }
  1257 
  1258 dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).
  1259 dnl  Details of this flag are here: http://gcc.gnu.org/wiki/Visibility
  1260 CheckVisibilityHidden()
  1261 {
  1262     AC_MSG_CHECKING(for GCC -fvisibility=hidden option)
  1263     have_gcc_fvisibility=no
  1264 
  1265     visibility_CFLAGS="-fvisibility=hidden"
  1266     save_CFLAGS="$CFLAGS"
  1267     CFLAGS="$save_CFLAGS $visibility_CFLAGS -Werror"
  1268     AC_TRY_COMPILE([
  1269     #if !defined(__GNUC__) || __GNUC__ < 4
  1270     #error SDL only uses visibility attributes in GCC 4 or newer
  1271     #endif
  1272     ],[
  1273     ],[
  1274     have_gcc_fvisibility=yes
  1275     ])
  1276     AC_MSG_RESULT($have_gcc_fvisibility)
  1277     CFLAGS="$save_CFLAGS"
  1278 
  1279     if test x$have_gcc_fvisibility = xyes; then
  1280         EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"
  1281     fi
  1282 }
  1283 
  1284 dnl See if GCC's -mpreferred-stack-boundary is supported.
  1285 dnl  Reference: http://bugzilla.libsdl.org/show_bug.cgi?id=1296
  1286 CheckStackBoundary()
  1287 {
  1288     AC_MSG_CHECKING(for GCC -mpreferred-stack-boundary option)
  1289     have_gcc_preferred_stack_boundary=no
  1290 
  1291     save_CFLAGS="$CFLAGS"
  1292     CFLAGS="$save_CFLAGS -mpreferred-stack-boundary=2"
  1293     AC_TRY_COMPILE([
  1294     int x = 0;
  1295     ],[
  1296     ],[
  1297     have_gcc_preferred_stack_boundary=yes
  1298     ])
  1299     AC_MSG_RESULT($have_gcc_preferred_stack_boundary)
  1300     CFLAGS="$save_CFLAGS"
  1301 
  1302     if test x$have_gcc_preferred_stack_boundary = xyes; then
  1303         EXTRA_CFLAGS="$EXTRA_CFLAGS -mpreferred-stack-boundary=2"
  1304     fi
  1305 }
  1306 
  1307 dnl See if GCC's -Wdeclaration-after-statement is supported.
  1308 dnl  This lets us catch things that would fail on a C89 compiler when using
  1309 dnl  a modern GCC.
  1310 CheckDeclarationAfterStatement()
  1311 {
  1312     AC_MSG_CHECKING(for GCC -Wdeclaration-after-statement option)
  1313     have_gcc_declaration_after_statement=no
  1314 
  1315     save_CFLAGS="$CFLAGS"
  1316     CFLAGS="$save_CFLAGS -Wdeclaration-after-statement -Werror=declaration-after-statement"
  1317     AC_TRY_COMPILE([
  1318     int x = 0;
  1319     ],[
  1320     ],[
  1321     have_gcc_declaration_after_statement=yes
  1322     ])
  1323     AC_MSG_RESULT($have_gcc_declaration_after_statement)
  1324     CFLAGS="$save_CFLAGS"
  1325 
  1326     if test x$have_gcc_declaration_after_statement = xyes; then
  1327         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wdeclaration-after-statement -Werror=declaration-after-statement"
  1328     fi
  1329 }
  1330 
  1331 dnl See if GCC's -Wall is supported.
  1332 CheckWarnAll()
  1333 {
  1334     AC_MSG_CHECKING(for GCC -Wall option)
  1335     have_gcc_Wall=no
  1336 
  1337     save_CFLAGS="$CFLAGS"
  1338     CFLAGS="$save_CFLAGS -Wall"
  1339     AC_TRY_COMPILE([
  1340     int x = 0;
  1341     ],[
  1342     ],[
  1343     have_gcc_Wall=yes
  1344     ])
  1345     AC_MSG_RESULT($have_gcc_Wall)
  1346     CFLAGS="$save_CFLAGS"
  1347 
  1348     if test x$have_gcc_Wall = xyes; then
  1349         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
  1350 
  1351         dnl Haiku headers use multicharacter constants all over the place. Ignore these warnings when using -Wall.
  1352         AC_MSG_CHECKING(for necessary GCC -Wno-multichar option)
  1353         need_gcc_Wno_multichar=no
  1354         case "$host" in
  1355             *-*-haiku*)
  1356                 need_gcc_Wno_multichar=yes
  1357                 ;;
  1358         esac
  1359         AC_MSG_RESULT($need_gcc_Wno_multichar)
  1360         if test x$need_gcc_Wno_multichar = xyes; then
  1361             EXTRA_CFLAGS="$EXTRA_CFLAGS -Wno-multichar"
  1362         fi
  1363     fi
  1364 }
  1365 
  1366 dnl Check for Wayland
  1367 CheckWayland()
  1368 {
  1369     AC_ARG_ENABLE(video-wayland,
  1370 AC_HELP_STRING([--enable-video-wayland], [use Wayland video driver [[default=yes]]]),
  1371                   ,enable_video_wayland=yes)
  1372 
  1373     AC_ARG_ENABLE(video-wayland-qt-touch,
  1374 AC_HELP_STRING([--enable-video-wayland-qt-touch], [QtWayland server support for Wayland video driver [[default=yes]]]),
  1375                   ,enable_video_wayland_qt_touch=yes)
  1376 
  1377     if test x$enable_video = xyes -a x$enable_video_wayland = xyes; then
  1378         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1379         AC_MSG_CHECKING(for Wayland support)
  1380         video_wayland=no
  1381         if  test x$PKG_CONFIG != xno && \
  1382             test x$video_opengl_egl = xyes && \
  1383             test x$video_opengles_v2 = xyes; then
  1384             if $PKG_CONFIG --exists wayland-client wayland-scanner wayland-protocols wayland-egl wayland-cursor egl xkbcommon ; then
  1385                 WAYLAND_CFLAGS=`$PKG_CONFIG --cflags wayland-client wayland-egl wayland-cursor xkbcommon`
  1386                 WAYLAND_LIBS=`$PKG_CONFIG --libs wayland-client wayland-egl wayland-cursor xkbcommon`
  1387                 WAYLAND_SCANNER=`$PKG_CONFIG --variable=wayland_scanner wayland-scanner`
  1388                 WAYLAND_CORE_PROTOCOL_DIR=`$PKG_CONFIG --variable=pkgdatadir wayland-client`
  1389                 WAYLAND_PROTOCOLS_DIR=`$PKG_CONFIG --variable=pkgdatadir wayland-protocols`
  1390                 video_wayland=yes
  1391             fi
  1392         fi
  1393         AC_MSG_RESULT($video_wayland)
  1394 
  1395         if test x$video_wayland = xyes; then
  1396             AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND, 1, [ ])
  1397             if test x$enable_video_wayland_qt_touch = xyes; then
  1398                 AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH, 1, [ ])
  1399             fi
  1400 
  1401             WAYLAND_PROTOCOLS_UNSTABLE="relative-pointer-unstable-v1 pointer-constraints-unstable-v1"
  1402 
  1403             SOURCES="$SOURCES $srcdir/src/video/wayland/*.c"
  1404             EXTRA_CFLAGS="$EXTRA_CFLAGS $WAYLAND_CFLAGS -I\$(gen)"
  1405             AC_ARG_ENABLE(wayland-shared,
  1406 AC_HELP_STRING([--enable-wayland-shared], [dynamically load Wayland support [[default=maybe]]]),
  1407                           , enable_wayland_shared=maybe)
  1408 
  1409             dnl FIXME: Do BSD and OS X need special cases?
  1410             case "$host" in
  1411                 *)
  1412                     wayland_client_lib=[`find_lib "libwayland-client.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1413                     wayland_egl_lib=[`find_lib "libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1414                     if test x$wayland_egl_lib = x; then
  1415                         dnl This works in Ubuntu 13.10, maybe others
  1416                         wayland_egl_lib=[`find_lib "mesa-egl/libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1417                     fi
  1418                     wayland_cursor_lib=[`find_lib "libwayland-cursor.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1419                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1420                     ;;
  1421             esac
  1422 
  1423             if test x$enable_wayland_shared = xmaybe; then
  1424                 enable_wayland_shared=yes
  1425             fi
  1426             if test x$have_loadso != xyes && \
  1427                test x$enable_wayland_shared = xyes; then
  1428                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Wayland loading])
  1429                 enable_wayland_shared=no
  1430             fi
  1431             if test x$have_loadso = xyes && \
  1432                test x$enable_wayland_shared = xyes && \
  1433                test x$wayland_client_lib != x && \
  1434                test x$wayland_egl_lib != x && \
  1435                test x$wayland_cursor_lib != x && \
  1436                test x$xkbcommon_lib != x; then
  1437                 echo "-- dynamic libwayland-client -> $wayland_client_lib"
  1438                 echo "-- dynamic libwayland-egl -> $wayland_egl_lib"
  1439                 echo "-- dynamic libwayland-cursor -> $wayland_cursor_lib"
  1440                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1441                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC, "$wayland_client_lib", [ ])
  1442                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_EGL, "$wayland_egl_lib", [ ])
  1443                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_CURSOR, "$wayland_cursor_lib", [ ])
  1444                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1445                 SUMMARY_video="${SUMMARY_video} wayland(dynamic)"
  1446             else
  1447                 enable_wayland_shared=no
  1448                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $WAYLAND_LIBS"
  1449                 SUMMARY_video="${SUMMARY_video} wayland"
  1450             fi
  1451             have_video=yes
  1452         fi
  1453     fi
  1454 }
  1455 
  1456 dnl Check for Mir
  1457 CheckMir()
  1458 {
  1459     AC_ARG_ENABLE(video-mir,
  1460 AC_HELP_STRING([--enable-video-mir], [use Mir video driver [[default=yes]]]),
  1461                   ,enable_video_mir=yes)
  1462 
  1463     if test x$enable_video = xyes -a x$enable_video_mir = xyes; then
  1464         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1465         AC_MSG_CHECKING(for Mir support)
  1466         video_mir=no
  1467         if test x$PKG_CONFIG != xno; then
  1468             if $PKG_CONFIG --exists mirclient egl xkbcommon ; then
  1469                 MIR_CFLAGS=`$PKG_CONFIG --cflags mirclient egl xkbcommon`
  1470                 MIR_LIBS=`$PKG_CONFIG --libs mirclient egl xkbcommon`
  1471                 save_CFLAGS="$CFLAGS"
  1472                 CFLAGS="$save_CFLAGS $MIR_CFLAGS"
  1473 
  1474                 dnl This will disable Mir if >= v0.26 is not available
  1475                 AC_TRY_COMPILE([
  1476                 #include <mir_toolkit/mir_client_library.h>
  1477                 ],[
  1478                     MirWindowAttrib attrib = mir_window_attrib_state
  1479                 ],[
  1480                 video_mir=yes
  1481                 ])
  1482                 CFLAGS="$save_CFLAGS"
  1483             fi
  1484         fi
  1485         AC_MSG_RESULT($video_mir)
  1486 
  1487         if test x$video_mir = xyes; then
  1488             AC_DEFINE(SDL_VIDEO_DRIVER_MIR, 1, [ ])
  1489             SOURCES="$SOURCES $srcdir/src/video/mir/*.c"
  1490             EXTRA_CFLAGS="$EXTRA_CFLAGS $MIR_CFLAGS"
  1491             AC_ARG_ENABLE(mir-shared,
  1492 AC_HELP_STRING([--enable-mir-shared], [dynamically load Mir support [[default=maybe]]]),
  1493                           , enable_mir_shared=maybe)
  1494 
  1495             dnl FIXME: Do BSD and OS X need special cases?
  1496             case "$host" in
  1497                 *)
  1498                     mirclient_lib=[`find_lib "libmirclient.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1499                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1500                     ;;
  1501             esac
  1502 
  1503             if test x$enable_mir_shared = xmaybe; then
  1504                 enable_mir_shared=yes
  1505             fi
  1506             if test x$have_loadso != xyes && \
  1507                test x$enable_mir_shared = xyes; then
  1508                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Mir loading])
  1509                 enable_mir_shared=no
  1510             fi
  1511             if test x$have_loadso = xyes && \
  1512                test x$enable_mir_shared = xyes && \
  1513                test x$mirclient_lib != x && \
  1514                test x$xkbcommon_lib != x; then
  1515                 echo "-- dynamic libmirclient -> $mirclient_lib"
  1516                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1517                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC, "$mirclient_lib", [ ])
  1518                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1519                 SUMMARY_video="${SUMMARY_video} mir(dynamic)"
  1520             else
  1521                 enable_mir_shared=no
  1522                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MIR_LIBS"
  1523                 SUMMARY_video="${SUMMARY_video} mir"
  1524             fi
  1525             have_video=yes
  1526         fi
  1527     fi
  1528 }
  1529 
  1530 dnl Check for Native Client stuff
  1531 CheckNativeClient()
  1532 {
  1533         AC_TRY_COMPILE([
  1534           #if !defined(__native_client__)
  1535           #error "NO NACL"
  1536           #endif
  1537         ],[
  1538         ],[
  1539         AC_DEFINE(SDL_VIDEO_DRIVER_NACL, 1, [ ])
  1540         AC_DEFINE(SDL_AUDIO_DRIVER_NACL, 1, [ ])
  1541         AC_DEFINE(HAVE_POW, 1, [ ])
  1542         AC_DEFINE(HAVE_OPENGLES2, 1, [ ])
  1543         AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  1544         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  1545 
  1546         SDL_LIBS="-lppapi_simple -lppapi_gles2 $SDL_LIBS"
  1547 
  1548         SDLMAIN_SOURCES="$srcdir/src/main/nacl/*.c"
  1549         SOURCES="$SOURCES $srcdir/src/audio/nacl/*.c"
  1550         SUMMARY_audio="${SUMMARY_audio} nacl"
  1551         SOURCES="$SOURCES $srcdir/src/video/nacl/*.c"
  1552         SUMMARY_video="${SUMMARY_video} nacl opengles2"
  1553         ])
  1554 }
  1555 
  1556 
  1557 dnl Find the X11 include and library directories
  1558 CheckX11()
  1559 {
  1560 
  1561 
  1562     AC_ARG_ENABLE(video-x11,
  1563 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
  1564                   , enable_video_x11=yes)
  1565     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
  1566         case "$host" in
  1567             *-*-darwin*)
  1568                 # This isn't necessary for X11, but fixes GLX detection
  1569                 if test "x$x_includes" = xNONE && \
  1570                    test "x$x_libraries" = xNONE && \
  1571                    test -d /usr/X11R6/include && \
  1572                    test -d /usr/X11R6/lib; then
  1573                     x_includes="/usr/X11R6/include"
  1574                     x_libraries="/usr/X11R6/lib"
  1575                 fi
  1576                 ;;
  1577         esac
  1578         AC_PATH_X
  1579         AC_PATH_XTRA
  1580         if test x$have_x = xyes; then
  1581             AC_ARG_ENABLE(x11-shared,
  1582 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
  1583                           , enable_x11_shared=maybe)
  1584 
  1585             case "$host" in
  1586                 *-*-darwin*)
  1587                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
  1588                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
  1589                     xcursor_lib='/usr/X11R6/lib/libXcursor.1.dylib'
  1590                     xinerama_lib='/usr/X11R6/lib/libXinerama.1.dylib'
  1591                     xinput_lib='/usr/X11R6/lib/libXi.6.dylib'
  1592                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
  1593                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
  1594                     xss_lib='/usr/X11R6/lib/libXss.1.dylib'
  1595                     xvidmode_lib='/usr/X11R6/lib/libXxf86vm.1.dylib'
  1596                     ;;
  1597                 *-*-openbsd*)
  1598                     x11_lib='libX11.so'
  1599                     x11ext_lib='libXext.so'
  1600                     xcursor_lib='libXcursor.so'
  1601                     xinerama_lib='libXinerama.so'
  1602                     xinput_lib='libXi.so'
  1603                     xrandr_lib='libXrandr.so'
  1604                     xrender_lib='libXrender.so'
  1605                     xss_lib='libXss.so'
  1606                     xvidmode_lib='libXxf86vm.so'
  1607                     ;;
  1608                 *)
  1609                     x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1610                     x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1611                     xcursor_lib=[`find_lib "libXcursor.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1612                     xinerama_lib=[`find_lib "libXinerama.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1613                     xinput_lib=[`find_lib "libXi.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1614                     xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1615                     xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1616                     xss_lib=[`find_lib "libXss.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1617                     xvidmode_lib=[`find_lib "libXxf86vm.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1618                     ;;
  1619             esac
  1620 
  1621             if test x$ac_cv_func_shmat != xyes; then
  1622                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
  1623             fi
  1624             CFLAGS="$CFLAGS $X_CFLAGS"
  1625             LDFLAGS="$LDFLAGS $X_LIBS"
  1626 
  1627             AC_CHECK_HEADER(X11/extensions/Xext.h,
  1628                             have_xext_h_hdr=yes,
  1629                             have_xext_h_hdr=no,
  1630                             [#include <X11/Xlib.h>
  1631                              #include <X11/Xproto.h>
  1632                             ])
  1633             if test x$have_xext_h_hdr != xyes; then
  1634                AC_MSG_ERROR([
  1635 *** Missing Xext.h, maybe you need to install the libxext-dev package?
  1636                ])
  1637             fi
  1638 
  1639             AC_DEFINE(SDL_VIDEO_DRIVER_X11, 1, [ ])
  1640             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
  1641             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
  1642 
  1643             # Needed so SDL applications can include SDL_syswm.h
  1644             SDL_CFLAGS="$SDL_CFLAGS $X_CFLAGS"
  1645 
  1646             if test x$enable_x11_shared = xmaybe; then
  1647                 enable_x11_shared=yes
  1648             fi
  1649             if test x$have_loadso != xyes && \
  1650                test x$enable_x11_shared = xyes; then
  1651                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
  1652                 enable_x11_shared=no
  1653             fi
  1654             if test x$have_loadso = xyes && \
  1655                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
  1656                 echo "-- dynamic libX11 -> $x11_lib"
  1657                 echo "-- dynamic libX11ext -> $x11ext_lib"
  1658                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib", [ ])
  1659                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib", [ ])
  1660                 SUMMARY_video="${SUMMARY_video} x11(dynamic)"
  1661             else
  1662                 enable_x11_shared=no
  1663                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
  1664                 SUMMARY_video="${SUMMARY_video} x11"
  1665             fi
  1666             have_video=yes
  1667 
  1668             AC_MSG_CHECKING(for const parameter to XextAddDisplay)
  1669             have_const_param_XextAddDisplay=no
  1670             AC_TRY_COMPILE([
  1671               #include <X11/Xlib.h>
  1672               #include <X11/Xproto.h>
  1673               #include <X11/extensions/Xext.h>
  1674               #include <X11/extensions/extutil.h>
  1675               extern XExtDisplayInfo* XextAddDisplay(XExtensionInfo* a,Display* b,_Xconst char* c,XExtensionHooks* d,int e,XPointer f);
  1676             ],[
  1677             ],[
  1678             have_const_param_XextAddDisplay=yes
  1679             AC_DEFINE([SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY], 1, [ ])
  1680             ])
  1681             AC_MSG_RESULT($have_const_param_XextAddDisplay)
  1682 
  1683             dnl AC_CHECK_LIB(X11, XGetEventData, AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS, 1, [Have XGenericEvent]))
  1684             AC_MSG_CHECKING([for XGenericEvent])
  1685             have_XGenericEvent=no
  1686             AC_TRY_COMPILE([
  1687               	#include <X11/Xlib.h>
  1688             ],[
  1689 Display *display;
  1690 XEvent event;
  1691 XGenericEventCookie *cookie = &event.xcookie;
  1692 XNextEvent(display, &event);
  1693 XGetEventData(display, cookie);
  1694 XFreeEventData(display, cookie);
  1695             ],[
  1696                 have_XGenericEvent=yes
  1697                 AC_DEFINE([SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS], 1, [ ])
  1698             ])
  1699             AC_MSG_RESULT($have_XGenericEvent)
  1700 
  1701             AC_CHECK_LIB(X11, XkbKeycodeToKeysym, AC_DEFINE(SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM, 1, [Have XkbKeycodeToKeysym]))
  1702 
  1703             AC_ARG_ENABLE(video-x11-xcursor,
  1704 AC_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [[default=yes]]]),
  1705                             , enable_video_x11_xcursor=yes)
  1706             if test x$enable_video_x11_xcursor = xyes; then
  1707                 definitely_enable_video_x11_xcursor=no
  1708                 AC_CHECK_HEADER(X11/Xcursor/Xcursor.h,
  1709                                 have_xcursor_h_hdr=yes,
  1710                                 have_xcursor_h_hdr=no,
  1711                                 [#include <X11/Xlib.h>
  1712                                 ])
  1713                 if test x$have_xcursor_h_hdr = xyes; then
  1714                     if test x$enable_x11_shared = xyes && test x$xcursor_lib != x ; then
  1715                         echo "-- dynamic libXcursor -> $xcursor_lib"
  1716                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR, "$xcursor_lib", [ ])
  1717                         definitely_enable_video_x11_xcursor=yes
  1718                     else
  1719                         AC_CHECK_LIB(Xcursor, XcursorImageCreate, have_xcursor_lib=yes)
  1720                         if test x$have_xcursor_lib = xyes ; then
  1721                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXcursor"
  1722                             definitely_enable_video_x11_xcursor=yes
  1723                         fi
  1724                     fi
  1725                 fi
  1726             fi
  1727             if test x$definitely_enable_video_x11_xcursor = xyes; then
  1728                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XCURSOR, 1, [ ])
  1729                 SUMMARY_video_x11="${SUMMARY_video_x11} xcursor"
  1730             fi
  1731             AC_ARG_ENABLE(video-x11-xdbe,
  1732 AC_HELP_STRING([--enable-video-x11-xdbe], [enable X11 Xdbe support [[default=yes]]]),
  1733                             , enable_video_x11_xdbe=yes)
  1734             if test x$enable_video_x11_xdbe = xyes; then
  1735                 AC_CHECK_HEADER(X11/extensions/Xdbe.h,
  1736                                 have_dbe_h_hdr=yes,
  1737                                 have_dbe_h_hdr=no,
  1738                                 [#include <X11/Xlib.h>
  1739                                 ])
  1740                 if test x$have_dbe_h_hdr = xyes; then
  1741                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XDBE, 1, [ ])
  1742                     SUMMARY_video_x11="${SUMMARY_video_x11} xdbe"
  1743                 fi
  1744             fi
  1745             AC_ARG_ENABLE(video-x11-xinerama,
  1746 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
  1747                             , enable_video_x11_xinerama=yes)
  1748             if test x$enable_video_x11_xinerama = xyes; then
  1749                 definitely_enable_video_x11_xinerama=no
  1750                 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
  1751                                 have_xinerama_h_hdr=yes,
  1752                                 have_xinerama_h_hdr=no,
  1753                                 [#include <X11/Xlib.h>
  1754                                 ])
  1755                 if test x$have_xinerama_h_hdr = xyes; then
  1756                     if test x$enable_x11_shared = xyes && test x$xinerama_lib != x ; then
  1757                         echo "-- dynamic libXinerama -> $xinerama_lib"
  1758                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA, "$xinerama_lib", [ ])
  1759                         definitely_enable_video_x11_xinerama=yes
  1760                     else
  1761                         AC_CHECK_LIB(Xinerama, XineramaQueryExtension, have_xinerama_lib=yes)
  1762                         if test x$have_xinerama_lib = xyes ; then
  1763                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXinerama"
  1764                             definitely_enable_video_x11_xinerama=yes
  1765                         fi
  1766                     fi
  1767                 fi
  1768             fi
  1769             if test x$definitely_enable_video_x11_xinerama = xyes; then
  1770                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA, 1, [ ])
  1771                 SUMMARY_video_x11="${SUMMARY_video_x11} xinerama"
  1772             fi
  1773             AC_ARG_ENABLE(video-x11-xinput,
  1774 AC_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [[default=yes]]]),
  1775                             , enable_video_x11_xinput=yes)
  1776             if test x$enable_video_x11_xinput = xyes; then
  1777                 definitely_enable_video_x11_xinput=no
  1778                 AC_CHECK_HEADER(X11/extensions/XInput2.h,
  1779                                 have_xinput_h_hdr=yes,
  1780                                 have_xinput_h_hdr=no,
  1781                                 [#include <X11/Xlib.h>
  1782                                 ])
  1783                 if test x$have_xinput_h_hdr = xyes; then
  1784                     if test x$enable_x11_shared = xyes && test x$xinput_lib != x ; then
  1785                         echo "-- dynamic libXi -> $xinput_lib"
  1786                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2, "$xinput_lib", [ ])
  1787                         definitely_enable_video_x11_xinput=yes
  1788                     else
  1789                         AC_CHECK_LIB(Xi, XOpenDevice, have_xinput_lib=yes)
  1790                         if test x$have_xinput_lib = xyes ; then
  1791                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXi"
  1792                             definitely_enable_video_x11_xinput=yes
  1793                         fi
  1794                     fi
  1795                 fi
  1796             fi
  1797             if test x$definitely_enable_video_x11_xinput = xyes; then
  1798                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2"
  1799                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2, 1, [ ])
  1800                 AC_MSG_CHECKING(for xinput2 multitouch)
  1801             	have_xinput2_multitouch=no
  1802             	AC_TRY_COMPILE([
  1803               		#include <X11/Xlib.h>
  1804              		#include <X11/Xproto.h>
  1805 			#include <X11/extensions/XInput2.h>
  1806             	],[
  1807 int event_type = XI_TouchBegin;
  1808 XITouchClassInfo *t;
  1809             	],[
  1810             	have_xinput2_multitouch=yes
  1811             	AC_DEFINE([SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH], 1, [])
  1812                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2_multitouch"
  1813             	])
  1814             	AC_MSG_RESULT($have_xinput2_multitouch)
  1815             fi
  1816             AC_ARG_ENABLE(video-x11-xrandr,
  1817 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
  1818                             , enable_video_x11_xrandr=yes)
  1819             if test x$enable_video_x11_xrandr = xyes; then
  1820                 dnl XRRScreenResources is only present in Xrandr >= 1.2, we use that as a test.
  1821                 definitely_enable_video_x11_xrandr=no
  1822                 have_xrandr_h_hdr=no
  1823                 AC_TRY_COMPILE([
  1824                 #include <X11/Xlib.h>
  1825                 #include <X11/extensions/Xrandr.h>
  1826                 ],[
  1827                 XRRScreenResources *res = NULL;
  1828                 ],[
  1829                 have_xrandr_h_hdr=yes
  1830                 ])
  1831                 if test x$have_xrandr_h_hdr = xyes; then
  1832                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
  1833                         echo "-- dynamic libXrandr -> $xrandr_lib"
  1834                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib", [ ])
  1835                         definitely_enable_video_x11_xrandr=yes
  1836                     else
  1837                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
  1838                         if test x$have_xrandr_lib = xyes ; then
  1839                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr"
  1840                             definitely_enable_video_x11_xrandr=yes
  1841                         fi
  1842                     fi
  1843                 fi
  1844             fi
  1845             if test x$definitely_enable_video_x11_xrandr = xyes; then
  1846                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR, 1, [ ])
  1847                 SUMMARY_video_x11="${SUMMARY_video_x11} xrandr"
  1848             fi
  1849             AC_ARG_ENABLE(video-x11-scrnsaver,
  1850 AC_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [[default=yes]]]),
  1851                             , enable_video_x11_scrnsaver=yes)
  1852             if test x$enable_video_x11_scrnsaver = xyes; then
  1853                 AC_CHECK_HEADER(X11/extensions/scrnsaver.h,
  1854                                 have_scrnsaver_h_hdr=yes,
  1855                                 have_scrnsaver_h_hdr=no,
  1856                                 [#include <X11/Xlib.h>
  1857                                 ])
  1858                 if test x$have_scrnsaver_h_hdr = xyes; then
  1859                     if test x$enable_x11_shared = xyes && test x$xss_lib != x ; then
  1860                         echo "-- dynamic libXss -> $xss_lib"
  1861                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS, "$xss_lib", [ ])
  1862                         definitely_enable_video_x11_scrnsaver=yes
  1863                     else
  1864                         AC_CHECK_LIB(Xss, XScreenSaverSuspend, have_xss_lib=yes)
  1865                         if test x$have_xss_lib = xyes ; then
  1866                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXss"
  1867                             definitely_enable_video_x11_scrnsaver=yes
  1868                         fi
  1869                     fi
  1870                 fi
  1871             fi
  1872             if test x$definitely_enable_video_x11_scrnsaver = xyes; then
  1873                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSCRNSAVER, 1, [ ])
  1874                 SUMMARY_video_x11="${SUMMARY_video_x11} xscrnsaver"
  1875             fi
  1876             AC_ARG_ENABLE(video-x11-xshape,
  1877 AC_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [[default=yes]]]),
  1878                             , enable_video_x11_xshape=yes)
  1879             if test x$enable_video_x11_xshape = xyes; then
  1880                 AC_CHECK_HEADER(X11/extensions/shape.h,
  1881                                 have_shape_h_hdr=yes,
  1882                                 have_shape_h_hdr=no,
  1883                                 [#include <X11/Xlib.h>
  1884                                 ])
  1885                 if test x$have_shape_h_hdr = xyes; then
  1886                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSHAPE, 1, [ ])
  1887                     SUMMARY_video_x11="${SUMMARY_video_x11} xshape"
  1888                 fi
  1889             fi
  1890             AC_ARG_ENABLE(video-x11-vm,
  1891 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
  1892                             , enable_video_x11_vm=yes)
  1893             if test x$enable_video_x11_vm = xyes; then
  1894                 definitely_enable_video_x11_vm=no
  1895                 AC_CHECK_HEADER(X11/extensions/xf86vmode.h,
  1896                                 have_vm_h_hdr=yes,
  1897                                 have_vm_h_hdr=no,
  1898                                 [#include <X11/Xlib.h>
  1899                                 ])
  1900                 if test x$have_vm_h_hdr = xyes; then
  1901                     if test x$enable_x11_shared = xyes && test x$xvidmode_lib != x ; then
  1902                         echo "-- dynamic libXxf86vm -> $xvidmode_lib"
  1903                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE, "$xvidmode_lib", [ ])
  1904                         definitely_enable_video_x11_vm=yes
  1905                     else
  1906                         AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, have_vm_lib=yes)
  1907                         if test x$have_vm_lib = xyes ; then
  1908                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXxf86vm"
  1909                             definitely_enable_video_x11_vm=yes
  1910                         fi
  1911                     fi
  1912                 fi
  1913             fi
  1914             if test x$definitely_enable_video_x11_vm = xyes; then
  1915                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XVIDMODE, 1, [ ])
  1916                 SUMMARY_video_x11="${SUMMARY_video_x11} xvidmode"
  1917             fi
  1918         fi
  1919     fi
  1920 }
  1921 
  1922 dnl Set up the Vivante video driver if enabled
  1923 CheckVivanteVideo()
  1924 {
  1925     AC_ARG_ENABLE(video-vivante,
  1926 AC_HELP_STRING([--enable-video-vivante], [use Vivante EGL video driver [[default=yes]]]),
  1927                   , enable_video_vivante=yes)
  1928     if test x$enable_video = xyes -a x$enable_video_vivante = xyes; then
  1929         AC_MSG_CHECKING(for Vivante VDK API)
  1930         have_vivante_vdk=no
  1931         AC_TRY_COMPILE([
  1932           #define LINUX
  1933           #define EGL_API_FB
  1934           #include <gc_vdk.h>
  1935         ],[
  1936         ],[
  1937         have_vivante_vdk=yes
  1938         ])
  1939         AC_MSG_RESULT($have_vivante_vdk)
  1940 
  1941         AC_MSG_CHECKING(for Vivante FB API)
  1942         have_vivante_egl=no
  1943         AC_TRY_COMPILE([
  1944           #define LINUX
  1945           #define EGL_API_FB
  1946           #include <EGL/eglvivante.h>
  1947         ],[
  1948         ],[
  1949         have_vivante_egl=yes
  1950         ])
  1951         AC_MSG_RESULT($have_vivante_egl)
  1952 
  1953         if test x$have_vivante_vdk = xyes -o x$have_vivante_egl = xyes; then
  1954             AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE, 1, [ ])
  1955             EXTRA_CFLAGS="$EXTRA_CFLAGS -DLINUX -DEGL_API_FB"
  1956             if test x$have_vivante_vdk = xyes; then
  1957                 AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE_VDK, 1, [ ])
  1958                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lVDK"
  1959             fi
  1960             SOURCES="$SOURCES $srcdir/src/video/vivante/*.c"
  1961             SUMMARY_video="${SUMMARY_video} vivante"
  1962             have_video=yes
  1963         fi
  1964     fi
  1965 }
  1966 
  1967 dnl Set up the Haiku video driver if enabled
  1968 CheckHaikuVideo()
  1969 {
  1970     if test x$enable_video = xyes; then
  1971         AC_DEFINE(SDL_VIDEO_DRIVER_HAIKU, 1, [ ])
  1972         SOURCES="$SOURCES $srcdir/src/video/haiku/*.cc"
  1973         have_video=yes
  1974         SUMMARY_video="${SUMMARY_video} haiku"
  1975     fi
  1976 }
  1977 
  1978 dnl Set up the Cocoa video driver for Mac OS X (but not Darwin)
  1979 CheckCOCOA()
  1980 {
  1981     AC_ARG_ENABLE(video-cocoa,
  1982 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]]),
  1983                   , enable_video_cocoa=yes)
  1984     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  1985         save_CFLAGS="$CFLAGS"
  1986         dnl work around that we don't have Objective-C support in autoconf
  1987         CFLAGS="$CFLAGS -x objective-c"
  1988         AC_MSG_CHECKING(for Cocoa framework)
  1989         have_cocoa=no
  1990         AC_TRY_COMPILE([
  1991           #import <Cocoa/Cocoa.h>
  1992         ],[
  1993         ],[
  1994         have_cocoa=yes
  1995         ])
  1996         AC_MSG_RESULT($have_cocoa)
  1997         CFLAGS="$save_CFLAGS"
  1998         if test x$have_cocoa = xyes; then
  1999             AC_DEFINE(SDL_VIDEO_DRIVER_COCOA, 1, [ ])
  2000             SOURCES="$SOURCES $srcdir/src/video/cocoa/*.m"
  2001             SUMMARY_video="${SUMMARY_video} cocoa"
  2002             have_video=yes
  2003         fi
  2004     fi
  2005 }
  2006 
  2007 dnl Find DirectFB
  2008 CheckDirectFB()
  2009 {
  2010     AC_ARG_ENABLE(video-directfb,
  2011 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),
  2012                   , enable_video_directfb=no)
  2013     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
  2014         video_directfb=no
  2015 
  2016         DIRECTFB_REQUIRED_VERSION=1.0.0
  2017         AC_PATH_PROGS(DIRECTFBCONFIG, directfb-config, no, [$prefix/bin:$PATH])
  2018         if test x$DIRECTFBCONFIG = xno; then
  2019             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2020             if test x$PKG_CONFIG != xno; then
  2021                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
  2022                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
  2023                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
  2024                     DIRECTFB_PREFIX=`$PKG_CONFIG --variable=prefix directfb`
  2025                     video_directfb=yes
  2026                 fi
  2027             fi
  2028         else
  2029             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
  2030             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  2031             set -- `$DIRECTFBCONFIG --version | sed 's/\./ /g'`
  2032             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  2033             if test $HAVE_VERSION -ge $NEED_VERSION; then
  2034                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
  2035                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
  2036                 DIRECTFB_PREFIX=`$DIRECTFBCONFIG --prefix`
  2037                 video_directfb=yes
  2038             fi
  2039         fi
  2040         if test x$video_directfb = xyes; then
  2041             # SuSE 11.1 installs directfb-config without directfb-devel
  2042             save_CPPFLAGS="$CPPFLAGS"
  2043             CPPFLAGS="$CPPFLAGS $DIRECTFB_CFLAGS"
  2044             AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no)
  2045             CPPFLAGS="$save_CPPFLAGS"
  2046             video_directfb=$have_directfb_hdr
  2047         fi
  2048         AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
  2049         AC_MSG_RESULT($video_directfb)
  2050 
  2051         if test x$video_directfb = xyes; then
  2052             AC_ARG_ENABLE(directfb-shared,
  2053 AC_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [[default=yes]]]),
  2054                               , enable_directfb_shared=yes)
  2055 
  2056             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB, 1, [ ])
  2057             AC_DEFINE(SDL_VIDEO_RENDER_DIRECTFB, 1, [ ])
  2058             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
  2059             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
  2060 
  2061             AC_MSG_CHECKING(for directfb dynamic loading support)
  2062             directfb_shared=no
  2063             directfb_lib=[`find_lib "libdirectfb*.so.*" "$DIRECTFB_LIBS"`]
  2064             # | sed 's/.*\/\(.*\)/\1/; q'`]
  2065 AC_MSG_WARN("directfb $directfb_lib")
  2066             if test x$have_loadso != xyes && \
  2067                test x$enable_directfb_shared = xyes; then
  2068                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic directfb loading])
  2069             fi
  2070             if test x$have_loadso = xyes && \
  2071                test x$enable_directfb_shared = xyes && test x$directfb_lib != x; then
  2072                 directfb_shared=yes
  2073                 echo "-- $directfb_lib_spec -> $directfb_lib"
  2074                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC, "$directfb_lib", [ ])
  2075                 SUMMARY_video="${SUMMARY_video} directfb(dynamic)"
  2076             else
  2077                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
  2078                 SUMMARY_video="${SUMMARY_video} directfb"
  2079             fi
  2080             AC_MSG_RESULT($directfb_shared)
  2081             SDL_CFLAGS="$SDL_CFLAGS $DIRECTFB_CFLAGS"
  2082             have_video=yes
  2083         fi
  2084     fi
  2085 }
  2086 
  2087 dnl Find KMSDRM
  2088 CheckKMSDRM()
  2089 {
  2090     AC_ARG_ENABLE(video-kmsdrm,
  2091 AC_HELP_STRING([--enable-video-kmsdrm], [use KMSDRM video driver [[default=no]]]),
  2092                   , enable_video_kmsdrm=no)
  2093 
  2094     if test x$enable_video = xyes -a x$enable_video_kmsdrm = xyes; then
  2095         video_kmsdrm=no
  2096         libdrm_avail=no
  2097         libgbm_avail=no
  2098 
  2099         LIBDRM_REQUIRED_VERSION=2.4.46
  2100         LIBGBM_REQUIRED_VERSION=9.0.0
  2101 
  2102         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2103         if test x$PKG_CONFIG != xno; then
  2104             if $PKG_CONFIG --atleast-pkgconfig-version 0.7; then
  2105                 if $PKG_CONFIG --atleast-version $LIBDRM_REQUIRED_VERSION libdrm; then
  2106                     LIBDRM_CFLAGS=`$PKG_CONFIG --cflags libdrm`
  2107                     LIBDRM_LIBS=`$PKG_CONFIG --libs libdrm`
  2108                     LIBDRM_PREFIX=`$PKG_CONFIG --variable=prefix libdrm`
  2109                     libdrm_avail=yes
  2110                 fi
  2111                 if $PKG_CONFIG --atleast-version $LIBGBM_REQUIRED_VERSION gbm; then
  2112                     LIBGBM_CFLAGS=`$PKG_CONFIG --cflags gbm`
  2113                     LIBGBM_LIBS=`$PKG_CONFIG --libs gbm`
  2114                     LIBGBM_PREFIX=`$PKG_CONFIG --variable=prefix gbm`
  2115                     libgbm_avail=yes
  2116                 fi
  2117                 if test x$libdrm_avail = xyes -a x$libgbm_avail = xyes; then
  2118                     video_kmsdrm=yes
  2119                 fi
  2120  
  2121                 AC_MSG_CHECKING(for libdrm $LIBDRM_REQUIRED_VERSION library for kmsdrm support)
  2122                 AC_MSG_RESULT($libdrm_avail)
  2123                 AC_MSG_CHECKING(for libgbm $LIBGBM_REQUIRED_VERSION library for kmsdrm support)
  2124                 AC_MSG_RESULT($libgbm_avail)
  2125 
  2126                 if test x$video_kmsdrm = xyes; then
  2127                     AC_ARG_ENABLE(kmsdrm-shared,
  2128 AC_HELP_STRING([--enable-kmsdrm-shared], [dynamically load kmsdrm support [[default=yes]]]),
  2129                               , enable_kmsdrm_shared=yes)
  2130 
  2131                     AC_DEFINE(SDL_VIDEO_DRIVER_KMSDRM, 1, [ ])
  2132                     SOURCES="$SOURCES $srcdir/src/video/kmsdrm/*.c"
  2133                     EXTRA_CFLAGS="$EXTRA_CFLAGS $LIBDRM_CFLAGS $LIBGBM_CFLAGS"
  2134 
  2135                     AC_MSG_CHECKING(for kmsdrm dynamic loading support)
  2136                     kmsdrm_shared=no
  2137                     drm_lib=[`find_lib "libdrm.so.*" "$DRM_LIBS"`]
  2138                     gbm_lib=[`find_lib "libgbm.so.*" "$DRM_LIBS"`]
  2139                     if test x$have_loadso != xyes && \
  2140                        test x$enable_kmsdrm_shared = xyes; then
  2141                         AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic kmsdrm loading])
  2142                     fi
  2143                     if test x$have_loadso = xyes && \
  2144                        test x$enable_kmsdrm_shared = xyes && test x$drm_lib != x && test x$gbm_lib != x; then
  2145                         kmsdrm_shared=yes
  2146                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC, "$drm_lib", [ ])
  2147                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC_GBM, "$gbm_lib", [ ])
  2148                         AC_DEFINE_UNQUOTED(HAVE_KMSDRM_SHARED, "TRUE", [ ])
  2149                         SUMMARY_video="${SUMMARY_video} kmsdrm(dynamic)"
  2150                     else
  2151                         EXTRA_LDFLAGS="$EXTRA_LDFLAGS $LIBDRM_LIBS $LIBGBM_LIBS"
  2152                         SUMMARY_video="${SUMMARY_video} kmsdrm"
  2153                     fi
  2154                     AC_MSG_RESULT($kmsdrm_shared)
  2155                     have_video=yes
  2156                 fi
  2157             fi
  2158         fi
  2159     fi
  2160 }
  2161 
  2162 dnl rcg04172001 Set up the Null video driver.
  2163 CheckDummyVideo()
  2164 {
  2165     AC_ARG_ENABLE(video-dummy,
  2166 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
  2167                   , enable_video_dummy=yes)
  2168     if test x$enable_video_dummy = xyes; then
  2169         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ])
  2170         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
  2171         have_video=yes
  2172         SUMMARY_video="${SUMMARY_video} dummy"
  2173     fi
  2174 }
  2175 
  2176 dnl Set up the QNX video driver if enabled
  2177 CheckQNXVideo()
  2178 {
  2179     if test x$enable_video = xyes; then
  2180         AC_DEFINE(SDL_VIDEO_DRIVER_QNX, 1, [ ])
  2181         SOURCES="$SOURCES $srcdir/src/video/qnx/*.c"
  2182         have_video=yes
  2183         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lscreen -lEGL -lGLESv2"
  2184         SUMMARY_video="${SUMMARY_video} qnx"
  2185     fi
  2186 }
  2187 
  2188 dnl Set up the QNX audio driver if enabled
  2189 CheckQNXAudio()
  2190 {
  2191     if test x$enable_audio = xyes; then
  2192         AC_DEFINE(SDL_AUDIO_DRIVER_QSA, 1, [ ])
  2193         SOURCES="$SOURCES $srcdir/src/audio/qsa/*.c"
  2194         have_audio=yes
  2195         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lasound"
  2196         SUMMARY_audio="${SUMMARY_audio} qsa"
  2197     fi
  2198 }
  2199 
  2200 dnl Check to see if OpenGL support is desired
  2201 AC_ARG_ENABLE(video-opengl,
  2202 AC_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),
  2203               , enable_video_opengl=yes)
  2204 
  2205 dnl Find OpenGL
  2206 CheckOpenGLX11()
  2207 {
  2208     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2209         AC_MSG_CHECKING(for OpenGL (GLX) support)
  2210         video_opengl=no
  2211         AC_TRY_COMPILE([
  2212          #include <GL/gl.h>
  2213          #include <GL/glx.h>
  2214         ],[
  2215         ],[
  2216         video_opengl=yes
  2217         ])
  2218         AC_MSG_RESULT($video_opengl)
  2219         if test x$video_opengl = xyes; then
  2220             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2221             AC_DEFINE(SDL_VIDEO_OPENGL_GLX, 1, [ ])
  2222             AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2223             SUMMARY_video="${SUMMARY_video} opengl"
  2224         fi
  2225     fi
  2226 }
  2227 
  2228 dnl Check to see if OpenGL ES support is desired
  2229 AC_ARG_ENABLE(video-opengles,
  2230 AC_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [[default=yes]]]),
  2231               , enable_video_opengles=yes)
  2232 AC_ARG_ENABLE(video-opengles1,
  2233 AC_HELP_STRING([--enable-video-opengles1], [include OpenGL ES 1.1 support [[default=yes]]]),
  2234               , enable_video_opengles1=yes)
  2235 AC_ARG_ENABLE(video-opengles2,
  2236 AC_HELP_STRING([--enable-video-opengles2], [include OpenGL ES 2.0 support [[default=yes]]]),
  2237               , enable_video_opengles2=yes)
  2238 
  2239 dnl Find OpenGL ES
  2240 CheckOpenGLESX11()
  2241 {
  2242     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2243         AC_MSG_CHECKING(for EGL support)
  2244         video_opengl_egl=no
  2245         AC_TRY_COMPILE([
  2246           #define LINUX
  2247           #define EGL_API_FB
  2248           #include <EGL/egl.h>
  2249           #include <EGL/eglext.h>
  2250         ],[
  2251         ],[
  2252         video_opengl_egl=yes
  2253         ])
  2254         AC_MSG_RESULT($video_opengl_egl)
  2255         if test x$video_opengl_egl = xyes; then
  2256             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2257         fi
  2258             
  2259         if test x$enable_video_opengles1 = xyes; then
  2260             AC_MSG_CHECKING(for OpenGL ES v1 headers)
  2261             video_opengles_v1=no
  2262             AC_TRY_COMPILE([
  2263              #include <GLES/gl.h>
  2264              #include <GLES/glext.h>
  2265             ],[
  2266             ],[
  2267             video_opengles_v1=yes
  2268             ])
  2269             AC_MSG_RESULT($video_opengles_v1)
  2270             if test x$video_opengles_v1 = xyes; then
  2271                 AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])
  2272                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])
  2273                 SUMMARY_video="${SUMMARY_video} opengl_es1"
  2274             fi
  2275         fi
  2276         
  2277         if test x$enable_video_opengles2 = xyes; then
  2278             AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2279             video_opengles_v2=no
  2280             AC_TRY_COMPILE([
  2281              #include <GLES2/gl2.h>
  2282              #include <GLES2/gl2ext.h>
  2283             ],[
  2284             ],[
  2285             video_opengles_v2=yes
  2286             ])
  2287             AC_MSG_RESULT($video_opengles_v2)
  2288             if test x$video_opengles_v2 = xyes; then
  2289                 AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2290                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2291                 SUMMARY_video="${SUMMARY_video} opengl_es2"
  2292             fi
  2293         fi
  2294     fi
  2295 }
  2296 
  2297 dnl Check for Windows OpenGL
  2298 CheckWINDOWSGL()
  2299 {
  2300     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2301         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2302         AC_DEFINE(SDL_VIDEO_OPENGL_WGL, 1, [ ])
  2303         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2304         SUMMARY_video="${SUMMARY_video} opengl"
  2305     fi
  2306 }
  2307 
  2308 dnl Check for Windows OpenGL
  2309 CheckWINDOWSGLES()
  2310 {
  2311     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2312 
  2313         AC_MSG_CHECKING(for EGL support)
  2314         video_opengl_egl=no
  2315         AC_TRY_COMPILE([
  2316          #include <EGL/egl.h>
  2317         ],[
  2318         ],[
  2319         video_opengl_egl=yes
  2320         ])
  2321         AC_MSG_RESULT($video_opengl_egl)
  2322         if test x$video_opengl_egl = xyes; then
  2323             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2324             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2325             SUMMARY_video="${SUMMARY_video} opengl_es1"
  2326         fi
  2327        
  2328         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2329         video_opengles_v2=no
  2330         AC_TRY_COMPILE([
  2331          #include <GLES2/gl2.h>
  2332          #include <GLES2/gl2ext.h>
  2333         ],[
  2334         ],[
  2335         video_opengles_v2=yes
  2336         ])
  2337         AC_MSG_RESULT($video_opengles_v2)
  2338         if test x$video_opengles_v2 = xyes; then
  2339             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2340             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2341             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2342             SUMMARY_video="${SUMMARY_video} opengl_es2"
  2343         fi
  2344     fi
  2345 }
  2346 
  2347 dnl Check for Haiku OpenGL
  2348 CheckHaikuGL()
  2349 {
  2350     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2351         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2352         AC_DEFINE(SDL_VIDEO_OPENGL_HAIKU, 1, [ ])
  2353         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2354         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  2355         SUMMARY_video="${SUMMARY_video} opengl"
  2356     fi
  2357 }
  2358 
  2359 dnl Check for MacOS OpenGL
  2360 CheckMacGL()
  2361 {
  2362     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2363         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2364         AC_DEFINE(SDL_VIDEO_OPENGL_CGL, 1, [ ])
  2365         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2366         SUMMARY_video="${SUMMARY_video} opengl"
  2367     fi
  2368 }
  2369 
  2370 CheckEmscriptenGLES()
  2371 {
  2372     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2373         AC_MSG_CHECKING(for EGL support)
  2374         video_opengl_egl=no
  2375         AC_TRY_COMPILE([
  2376          #include <EGL/egl.h>
  2377         ],[
  2378         ],[
  2379         video_opengl_egl=yes
  2380         ])
  2381         AC_MSG_RESULT($video_opengl_egl)
  2382         if test x$video_opengl_egl = xyes; then
  2383             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2384         fi
  2385 
  2386         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2387         video_opengles_v2=no
  2388         AC_TRY_COMPILE([
  2389          #include <GLES2/gl2.h>
  2390          #include <GLES2/gl2ext.h>
  2391         ],[
  2392         ],[
  2393         video_opengles_v2=yes
  2394         ])
  2395         AC_MSG_RESULT($video_opengles_v2)
  2396         if test x$video_opengles_v2 = xyes; then
  2397             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2398             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2399             SUMMARY_video="${SUMMARY_video} opengl_es2"
  2400         fi
  2401     fi
  2402 }
  2403 
  2404 dnl See if we can use the new unified event interface in Linux 2.4
  2405 CheckInputEvents()
  2406 {
  2407     dnl Check for Linux 2.4 unified input event interface support
  2408         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
  2409         use_input_events=no
  2410         AC_TRY_COMPILE([
  2411           #include <linux/input.h>
  2412         ],[
  2413           #ifndef EVIOCGNAME
  2414           #error EVIOCGNAME() ioctl not available
  2415           #endif
  2416         ],[
  2417         use_input_events=yes
  2418         ])
  2419         AC_MSG_RESULT($use_input_events)
  2420         if test x$use_input_events = xyes; then
  2421             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])
  2422             SUMMARY_input="${SUMMARY_input} linuxev"
  2423         fi
  2424 }
  2425 
  2426 dnl See if we can use the kernel kd.h header
  2427 CheckInputKD()
  2428 {
  2429 
  2430     AC_MSG_CHECKING(for Linux kd.h)
  2431     use_input_kd=no
  2432     AC_TRY_COMPILE([
  2433       #include <linux/kd.h>
  2434       #include <linux/keyboard.h>
  2435     ],[
  2436         struct kbentry kbe;
  2437         kbe.kb_table = KG_CTRL;
  2438         ioctl(0, KDGKBENT, &kbe);
  2439     ],[
  2440     use_input_kd=yes
  2441     ])
  2442     AC_MSG_RESULT($use_input_kd)
  2443     if test x$use_input_kd = xyes; then
  2444         AC_DEFINE(SDL_INPUT_LINUXKD, 1, [ ])
  2445         SUMMARY_input="${SUMMARY_input} linuxkd"
  2446     fi
  2447 }
  2448 
  2449 dnl See if the platform offers libudev for device enumeration and hotplugging.
  2450 CheckLibUDev()
  2451 {
  2452     AC_ARG_ENABLE(libudev,
  2453 AC_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),
  2454                         , enable_libudev=yes)
  2455     if test x$enable_libudev = xyes; then
  2456         AC_CHECK_HEADER(libudev.h,
  2457                         have_libudev_h_hdr=yes,
  2458                         have_libudev_h_hdr=no)
  2459         if test x$have_libudev_h_hdr = xyes; then
  2460             AC_DEFINE(HAVE_LIBUDEV_H, 1, [ ])
  2461 
  2462             udev_lib=[`find_lib "libudev.so.*" "" | sed 's/.*\/\(.*\)/\1/; q'`]
  2463             if test x$udev_lib != x; then
  2464                 echo "-- dynamic udev -> $udev_lib"
  2465                 AC_DEFINE_UNQUOTED(SDL_UDEV_DYNAMIC, "$udev_lib", [ ])
  2466             fi
  2467         fi
  2468     fi
  2469 }
  2470 
  2471 dnl See if the platform offers libdbus for various IPC techniques.
  2472 CheckDBus()
  2473 {
  2474     AC_ARG_ENABLE(dbus,
  2475 AC_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),
  2476                         , enable_dbus=yes)
  2477     if test x$enable_dbus = xyes; then
  2478         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2479         if test x$PKG_CONFIG != xno; then
  2480             DBUS_CFLAGS=`$PKG_CONFIG --cflags dbus-1`
  2481             save_CFLAGS="$CFLAGS"
  2482             CFLAGS="$save_CFLAGS $DBUS_CFLAGS"
  2483             AC_CHECK_HEADER(dbus/dbus.h,
  2484                             have_dbus_dbus_h_hdr=yes,
  2485                             have_dbus_dbus_h_hdr=no)
  2486             CFLAGS="$save_CFLAGS"
  2487             if test x$have_dbus_dbus_h_hdr = xyes; then
  2488                 AC_DEFINE(HAVE_DBUS_DBUS_H, 1, [ ])
  2489                 EXTRA_CFLAGS="$EXTRA_CFLAGS $DBUS_CFLAGS"
  2490                 SOURCES="$SOURCES $srcdir/src/core/linux/SDL_dbus.c"
  2491             fi
  2492         fi
  2493     fi
  2494 }
  2495 
  2496 dnl See if the platform wanna IME support.
  2497 CheckIME()
  2498 {
  2499     AC_ARG_ENABLE(ime,
  2500 AC_HELP_STRING([--enable-ime], [enable IME support [[default=yes]]]),
  2501                   , enable_ime=yes)
  2502     if test x$enable_ime = xyes; then
  2503         AC_DEFINE(SDL_USE_IME, 1, [ ])
  2504             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ime.c"
  2505     fi
  2506 }
  2507 
  2508 dnl See if the platform has libibus IME support.
  2509 CheckIBus()
  2510 {
  2511     AC_ARG_ENABLE(ibus,
  2512 AC_HELP_STRING([--enable-ibus], [enable IBus support [[default=yes]]]),
  2513                   , enable_ibus=yes)
  2514     if test x$enable_ibus = xyes; then
  2515         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2516         if test x$PKG_CONFIG != xno; then
  2517             IBUS_CFLAGS=`$PKG_CONFIG --cflags ibus-1.0`
  2518             save_CFLAGS="$CFLAGS"
  2519             CFLAGS="$save_CFLAGS $IBUS_CFLAGS"
  2520             AC_CHECK_HEADER(ibus-1.0/ibus.h,
  2521                             have_ibus_ibus_h_hdr=yes,
  2522                             have_ibus_ibus_h_hdr=no)
  2523             AC_CHECK_HEADER(sys/inotify.h,
  2524                             have_inotify_inotify_h_hdr=yes,
  2525                             have_inotify_inotify_h_hdr=no)
  2526             CFLAGS="$save_CFLAGS"
  2527             if test x$have_ibus_ibus_h_hdr = xyes; then
  2528                 if test x$enable_ime != xyes; then
  2529                     AC_MSG_WARN([IME support is required for IBus.])
  2530                     have_ibus_ibus_h_hdr=no
  2531                 elif test x$enable_dbus != xyes; then
  2532                     AC_MSG_WARN([DBus support is required for IBus.])
  2533                     have_ibus_ibus_h_hdr=no
  2534                 elif test x$have_inotify_inotify_h_hdr != xyes; then
  2535                     AC_MSG_WARN([INotify support is required for IBus.])
  2536                     have_ibus_ibus_h_hdr=no
  2537                 else
  2538                     AC_DEFINE(HAVE_IBUS_IBUS_H, 1, [ ])
  2539                     EXTRA_CFLAGS="$EXTRA_CFLAGS $IBUS_CFLAGS"
  2540                     SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ibus.c"
  2541                fi
  2542             fi
  2543         fi
  2544     fi
  2545 }
  2546 
  2547 dnl See if the platform has fcitx IME support.
  2548 CheckFcitx()
  2549 {
  2550     AC_ARG_ENABLE(fcitx,
  2551 AC_HELP_STRING([--enable-fcitx], [enable fcitx support [[default=yes]]]),
  2552                   , enable_fcitx=yes)
  2553     if test x$enable_fcitx = xyes; then
  2554         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2555         if test x$PKG_CONFIG != xno; then
  2556             FCITX_CFLAGS=`$PKG_CONFIG --cflags fcitx`
  2557             CFLAGS="$CFLAGS $FCITX_CFLAGS"
  2558             AC_CHECK_HEADER(fcitx/frontend.h,
  2559                             have_fcitx_frontend_h_hdr=yes,
  2560                             have_fcitx_frontend_h_hdr=no)
  2561             CFLAGS="$save_CFLAGS"
  2562             if test x$have_fcitx_frontend_h_hdr = xyes; then
  2563                 if test x$enable_ime != xyes; then
  2564                     AC_MSG_WARN([IME support is required for fcitx.])
  2565                     have_fcitx_frontend_h_hdr=no
  2566                 elif test x$enable_dbus != xyes; then
  2567                     AC_MSG_WARN([DBus support is required for fcitx.])
  2568                     have_fcitx_frontend_h_hdr=no
  2569                 else
  2570                     AC_DEFINE(HAVE_FCITX_FRONTEND_H, 1, [ ])
  2571                     EXTRA_CFLAGS="$EXTRA_CFLAGS $FCITX_CFLAGS"
  2572                     SOURCES="$SOURCES $srcdir/src/core/linux/SDL_fcitx.c"
  2573                fi
  2574             fi
  2575         fi
  2576     fi
  2577 }
  2578 
  2579 dnl See if we can use the Touchscreen input library
  2580 CheckTslib()
  2581 {
  2582     AC_ARG_ENABLE(input-tslib,
  2583 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
  2584                   , enable_input_tslib=yes)
  2585     if test x$enable_input_tslib = xyes; then
  2586         AC_MSG_CHECKING(for Touchscreen library support)
  2587         enable_input_tslib=no
  2588         AC_TRY_COMPILE([
  2589           #include "tslib.h"
  2590         ],[
  2591         ],[
  2592         enable_input_tslib=yes
  2593         ])
  2594         AC_MSG_RESULT($enable_input_tslib)
  2595         if test x$enable_input_tslib = xyes; then
  2596             AC_DEFINE(SDL_INPUT_TSLIB, 1, [ ])
  2597             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
  2598             SUMMARY_input="${SUMMARY_input} ts"
  2599         fi
  2600     fi
  2601 }
  2602 
  2603 dnl See what type of thread model to use on Linux and Solaris
  2604 CheckPTHREAD()
  2605 {
  2606     dnl Check for pthread support
  2607     AC_ARG_ENABLE(pthreads,
  2608 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
  2609                   , enable_pthreads=yes)
  2610     dnl This is used on Linux for glibc binary compatibility (Doh!)
  2611     AC_ARG_ENABLE(pthread-sem,
  2612 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
  2613                   , enable_pthread_sem=yes)
  2614     case "$host" in
  2615          *-*-androideabi*)
  2616             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2617             pthread_lib=""
  2618             ;;
  2619         *-*-linux*|*-*-uclinux*)
  2620             pthread_cflags="-D_REENTRANT"
  2621             pthread_lib="-lpthread"
  2622             ;;
  2623         *-*-bsdi*)
  2624             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2625             pthread_lib=""
  2626             ;;
  2627         *-*-darwin*)
  2628             pthread_cflags="-D_THREAD_SAFE"
  2629 # causes Carbon.p complaints?
  2630 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2631             ;;
  2632         *-*-freebsd*|*-*-dragonfly*)
  2633             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2634             pthread_lib="-pthread"
  2635             ;;
  2636         *-*-netbsd*)
  2637             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2638             pthread_lib="-lpthread"
  2639             ;;
  2640         *-*-openbsd*)
  2641             pthread_cflags="-D_REENTRANT"
  2642             pthread_lib="-pthread"
  2643             ;;
  2644         *-*-solaris2.9)
  2645             # From Solaris 9+, posix4's preferred name is rt.
  2646             pthread_cflags="-D_REENTRANT"
  2647             pthread_lib="-lpthread -lrt"
  2648             ;;
  2649         *-*-solaris2.10)
  2650             # Solaris 10+ merged pthread into libc.
  2651             pthread_cflags="-D_REENTRANT"
  2652             pthread_lib="-lrt"
  2653             ;;
  2654         *-*-solaris*)
  2655             # Solaris 11+ merged rt into libc.
  2656             pthread_cflags="-D_REENTRANT"
  2657             pthread_lib=""
  2658             ;;
  2659         *-*-sysv5*)
  2660             pthread_cflags="-D_REENTRANT -Kthread"
  2661             pthread_lib=""
  2662             ;;
  2663         *-*-aix*)
  2664             pthread_cflags="-D_REENTRANT -mthreads"
  2665             pthread_lib="-lpthread"
  2666             ;;
  2667         *-*-hpux11*)
  2668             pthread_cflags="-D_REENTRANT"
  2669             pthread_lib="-L/usr/lib -lpthread"
  2670             ;;
  2671         *-*-haiku*)
  2672             pthread_cflags="-D_REENTRANT"
  2673             pthread_lib=""
  2674             ;;
  2675         *-*-nto*)
  2676             pthread_cflags="-D_REENTRANT"
  2677             pthread_lib=""
  2678             ;;
  2679         *)
  2680             pthread_cflags="-D_REENTRANT"
  2681             pthread_lib="-lpthread"
  2682             ;;
  2683     esac
  2684     if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then
  2685         # Save the original compiler flags and libraries
  2686         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2687         # Add the pthread compiler flags and libraries
  2688         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2689         # Check to see if we have pthread support on this system
  2690         AC_MSG_CHECKING(for pthreads)
  2691         use_pthreads=no
  2692         AC_TRY_LINK([
  2693          #include <pthread.h>
  2694         ],[
  2695          pthread_attr_t type;
  2696          pthread_attr_init(&type);
  2697         ],[
  2698         use_pthreads=yes
  2699         ])
  2700         AC_MSG_RESULT($use_pthreads)
  2701         # Restore the compiler flags and libraries
  2702         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2703 
  2704         # Do futher testing if we have pthread support...
  2705         if test x$use_pthreads = xyes; then
  2706             AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ])
  2707             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
  2708             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
  2709             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
  2710 
  2711             # Save the original compiler flags and libraries
  2712             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2713             # Add the pthread compiler flags and libraries
  2714             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2715 
  2716             # Check to see if recursive mutexes are available
  2717             AC_MSG_CHECKING(for recursive mutexes)
  2718             has_recursive_mutexes=no
  2719             if test x$has_recursive_mutexes = xno; then
  2720                 AC_TRY_LINK([
  2721                   #define _GNU_SOURCE 1
  2722                   #include <pthread.h>
  2723                 ],[
  2724                   pthread_mutexattr_t attr;
  2725                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
  2726                 ],[
  2727                 has_recursive_mutexes=yes
  2728                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ])
  2729                 ])
  2730             fi
  2731             if test x$has_recursive_mutexes = xno; then
  2732                 AC_TRY_LINK([
  2733                   #define _GNU_SOURCE 1
  2734                   #include <pthread.h>
  2735                 ],[
  2736                   pthread_mutexattr_t attr;
  2737                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
  2738                 ],[
  2739                 has_recursive_mutexes=yes
  2740                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ])
  2741                 ])
  2742             fi
  2743             AC_MSG_RESULT($has_recursive_mutexes)
  2744 
  2745             # Check to see if pthread semaphore support is missing
  2746             if test x$enable_pthread_sem = xyes; then
  2747                 AC_MSG_CHECKING(for pthread semaphores)
  2748                 have_pthread_sem=no
  2749                 AC_TRY_COMPILE([
  2750                   #include <pthread.h>
  2751                   #include <semaphore.h>
  2752                 ],[
  2753                 ],[
  2754                 have_pthread_sem=yes
  2755                 ])
  2756                 AC_MSG_RESULT($have_pthread_sem)
  2757             fi
  2758             if test x$have_pthread_sem = xyes; then
  2759                 AC_MSG_CHECKING(for sem_timedwait)
  2760                 have_sem_timedwait=no
  2761                 AC_TRY_LINK([
  2762                   #include <pthread.h>
  2763                   #include <semaphore.h>
  2764                 ],[
  2765                   sem_timedwait(NULL, NULL);
  2766                 ],[
  2767                 have_sem_timedwait=yes
  2768                 AC_DEFINE([HAVE_SEM_TIMEDWAIT], 1, [ ])
  2769                 ])
  2770                 AC_MSG_RESULT($have_sem_timedwait)
  2771             fi
  2772 
  2773             AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes, have_pthread_np_h=no, [ #include <pthread.h> ])
  2774             if test x$have_pthread_np_h = xyes; then
  2775                 AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ])
  2776             fi
  2777 
  2778             # Check to see if pthread naming is available
  2779             AC_MSG_CHECKING(for pthread_setname_np)
  2780             AC_TRY_LINK_FUNC(pthread_setname_np, [
  2781               has_pthread_setname_np=yes
  2782               AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ])
  2783             ],[
  2784               has_pthread_setname_np=no
  2785             ])
  2786             AC_MSG_RESULT($has_pthread_setname_np)
  2787 
  2788             AC_MSG_CHECKING(for pthread_set_name_np)
  2789             AC_TRY_LINK_FUNC(pthread_set_name_np, [
  2790               has_pthread_set_name_np=yes
  2791               AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ])
  2792             ],[
  2793               has_pthread_set_name_np=no
  2794             ])
  2795             AC_MSG_RESULT($has_pthread_set_name_np)
  2796 
  2797             # Restore the compiler flags and libraries
  2798             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2799 
  2800             # Basic thread creation functions
  2801             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
  2802 
  2803             # Semaphores
  2804             # We can fake these with mutexes and condition variables if necessary
  2805             if test x$have_pthread_sem = xyes; then
  2806                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
  2807             else
  2808                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  2809             fi
  2810 
  2811             # Mutexes
  2812             # We can fake these with semaphores if necessary
  2813             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
  2814 
  2815             # Condition variables
  2816             # We can fake these with semaphores and mutexes if necessary
  2817             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
  2818 
  2819             # Thread local storage
  2820             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systls.c"
  2821 
  2822             have_threads=yes
  2823         fi
  2824     fi
  2825 }
  2826 
  2827 dnl Determine whether the compiler can produce Windows executables
  2828 CheckWINDOWS()
  2829 {
  2830     AC_MSG_CHECKING(Windows compiler)
  2831     have_win32_gcc=no
  2832     AC_TRY_COMPILE([
  2833      #include <windows.h>
  2834     ],[
  2835     ],[
  2836     have_win32_gcc=yes
  2837     ])
  2838     AC_MSG_RESULT($have_win32_gcc)
  2839     if test x$have_win32_gcc != xyes; then
  2840        AC_MSG_ERROR([
  2841 *** Your compiler ($CC) does not produce Windows executables!
  2842        ])
  2843     fi
  2844 
  2845     AC_MSG_CHECKING(Windows CE)
  2846     have_wince=no
  2847     AC_TRY_COMPILE([
  2848 #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__)
  2849 #error This is not Windows CE
  2850 #endif
  2851     ],[
  2852     ],[
  2853     have_wince=yes
  2854        AC_MSG_ERROR([
  2855 *** Sorry, Windows CE is no longer supported.
  2856        ])
  2857     ])
  2858     AC_MSG_RESULT($have_wince)
  2859 
  2860     # This fixes Windows stack alignment with newer GCC
  2861     CheckStackBoundary
  2862 }
  2863 
  2864 dnl Find the DirectX includes and libraries
  2865 CheckDIRECTX()
  2866 {
  2867     AC_ARG_ENABLE(directx,
  2868 AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
  2869                   , enable_directx=yes)
  2870     if test x$enable_directx = xyes; then
  2871         AC_CHECK_HEADER(d3d9.h, have_d3d=yes)
  2872         AC_CHECK_HEADER(d3d11_1.h, have_d3d11=yes)
  2873         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
  2874         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
  2875         AC_CHECK_HEADER(dinput.h, have_dinput=yes)
  2876         AC_CHECK_HEADER(dxgi.h, have_dxgi=yes)
  2877         AC_CHECK_HEADER(xaudio2.h, have_xaudio2=yes)
  2878         AC_CHECK_HEADER(xinput.h, have_xinput=yes)
  2879         AC_CHECK_HEADER(mmdeviceapi.h, have_wasapi=yes)
  2880         AC_CHECK_HEADER(audioclient.h,,have_wasapi=no)
  2881         AC_TRY_COMPILE([
  2882 #include <windows.h>
  2883 #include <xinput.h>
  2884 XINPUT_GAMEPAD_EX x1;
  2885         ],[],[have_xinput_gamepadex=yes])
  2886         AC_TRY_COMPILE([
  2887 #include <windows.h>
  2888 #include <xinput.h>
  2889 XINPUT_STATE_EX s1;
  2890         ],[],[have_xinput_stateex=yes])
  2891 
  2892         if test x$have_ddraw = xyes; then
  2893             AC_DEFINE(HAVE_DDRAW_H, 1, [ ])
  2894         fi
  2895         if test x$have_dinput = xyes; then
  2896             AC_DEFINE(HAVE_DINPUT_H, 1, [ ])
  2897         fi
  2898         if test x$have_dsound = xyes; then
  2899             AC_DEFINE(HAVE_DSOUND_H, 1, [ ])
  2900         fi
  2901         if test x$have_dxgi = xyes; then
  2902             AC_DEFINE(HAVE_DXGI_H, 1, [ ])
  2903         fi
  2904         if test x$have_xinput = xyes; then
  2905             AC_DEFINE(HAVE_XINPUT_H, 1, [ ])
  2906         fi
  2907         if test x$have_xinput_gamepadex = xyes; then
  2908             AC_DEFINE(HAVE_XINPUT_GAMEPAD_EX, 1, [ ])
  2909         fi
  2910         if test x$have_xinput_stateex = xyes; then
  2911             AC_DEFINE(HAVE_XINPUT_STATE_EX, 1, [ ])
  2912         fi
  2913 
  2914         SUMMARY_video="${SUMMARY_video} directx"
  2915         SUMMARY_audio="${SUMMARY_audio} directx"
  2916 
  2917         # FIXME: latest Cygwin finds dinput headers, but we die on other win32 headers.
  2918         # FIXME:  ...so force it off for now.
  2919         case "$host" in
  2920             *-*-cygwin*)
  2921             have_dinput=false
  2922             ;;
  2923         esac
  2924     fi
  2925 }
  2926 
  2927 dnl Check for the dlfcn.h interface for dynamically loading objects
  2928 CheckDLOPEN()
  2929 {
  2930     AC_ARG_ENABLE(sdl-dlopen,
  2931 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
  2932                   , enable_sdl_dlopen=yes)
  2933     if test x$enable_sdl_dlopen = xyes; then
  2934         AC_MSG_CHECKING(for dlopen)
  2935         have_dlopen=no
  2936         AC_TRY_COMPILE([
  2937          #include <dlfcn.h>
  2938         ],[
  2939          void *handle = dlopen("", RTLD_NOW);
  2940          const char *loaderror = (char *) dlerror();
  2941         ],[
  2942         have_dlopen=yes
  2943         ])
  2944         AC_MSG_RESULT($have_dlopen)
  2945 
  2946         if test x$have_dlopen = xyes; then
  2947             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
  2948                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
  2949                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
  2950             AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ])
  2951             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
  2952             have_loadso=yes
  2953         fi
  2954     fi
  2955 }
  2956 
  2957 dnl Check for the usbhid(3) library on *BSD
  2958 CheckUSBHID()
  2959 {
  2960     case "$host" in
  2961         *-*-*bsd*)
  2962             if test x$enable_joystick = xyes; then
  2963                 AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
  2964                 if test x$have_libusbhid = xyes; then
  2965                     AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
  2966                     AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
  2967                     USB_LIBS="$USB_LIBS -lusbhid"
  2968                 else
  2969                     AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
  2970                     AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
  2971                     AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
  2972                 fi
  2973                     
  2974                 save_CFLAGS="$CFLAGS"
  2975                 CFLAGS="$CFLAGS $USB_CFLAGS"
  2976 
  2977                 AC_MSG_CHECKING(for usbhid)
  2978                 have_usbhid=no
  2979                 AC_TRY_COMPILE([
  2980                   #include <sys/types.h>
  2981                   #if defined(HAVE_USB_H)
  2982                   #include <usb.h>
  2983                   #endif
  2984                   #ifdef __DragonFly__
  2985                   # include <bus/usb/usb.h>
  2986                   # include <bus/usb/usbhid.h>
  2987                   #else
  2988                   # include <dev/usb/usb.h>
  2989                   # include <dev/usb/usbhid.h>
  2990                   #endif
  2991                   #if defined(HAVE_USBHID_H)
  2992                   #include <usbhid.h>
  2993                   #elif defined(HAVE_LIBUSB_H)
  2994                   #include <libusb.h>
  2995                   #elif defined(HAVE_LIBUSBHID_H)
  2996                   #include <libusbhid.h>
  2997                   #endif
  2998                 ],[
  2999                   struct report_desc *repdesc;
  3000                   struct usb_ctl_report *repbuf;
  3001                   hid_kind_t hidkind;
  3002                 ],[
  3003                 have_usbhid=yes
  3004                 ])
  3005                 AC_MSG_RESULT($have_usbhid)
  3006 
  3007                 if test x$have_usbhid = xyes; then
  3008                     AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
  3009                     have_usbhid_ucr_data=no
  3010                     AC_TRY_COMPILE([
  3011                       #include <sys/types.h>
  3012                       #if defined(HAVE_USB_H)
  3013                       #include <usb.h>
  3014                       #endif
  3015                       #ifdef __DragonFly__
  3016                       # include <bus/usb/usb.h>
  3017                       # include <bus/usb/usbhid.h>
  3018                       #else
  3019                       # include <dev/usb/usb.h>
  3020                       # include <dev/usb/usbhid.h>
  3021                       #endif
  3022                       #if defined(HAVE_USBHID_H)
  3023                       #include <usbhid.h>
  3024                       #elif defined(HAVE_LIBUSB_H)
  3025                       #include <libusb.h>
  3026                       #elif defined(HAVE_LIBUSBHID_H)
  3027                       #include <libusbhid.h>
  3028                       #endif
  3029                     ],[
  3030                       struct usb_ctl_report buf;
  3031                       if (buf.ucr_data) { }
  3032                     ],[
  3033                     have_usbhid_ucr_data=yes
  3034                     ])
  3035                     if test x$have_usbhid_ucr_data = xyes; then
  3036                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
  3037                     fi
  3038                     AC_MSG_RESULT($have_usbhid_ucr_data)
  3039                     
  3040                     AC_MSG_CHECKING(for new usbhid API)
  3041                     have_usbhid_new=no
  3042                     AC_TRY_COMPILE([
  3043                       #include <sys/types.h>
  3044                       #if defined(HAVE_USB_H)
  3045                       #include <usb.h>
  3046                       #endif
  3047                       #ifdef __DragonFly__
  3048                       #include <bus/usb/usb.h>
  3049                       #include <bus/usb/usbhid.h>
  3050                       #else
  3051                       #include <dev/usb/usb.h>
  3052                       #include <dev/usb/usbhid.h>
  3053                       #endif
  3054                       #if defined(HAVE_USBHID_H)
  3055                       #include <usbhid.h>
  3056                       #elif defined(HAVE_LIBUSB_H)
  3057                       #include <libusb.h>
  3058                       #elif defined(HAVE_LIBUSBHID_H)
  3059                       #include <libusbhid.h>
  3060                       #endif
  3061                     ],[
  3062                       report_desc_t d;
  3063                       hid_start_parse(d, 1, 1);
  3064                     ],[
  3065                     have_usbhid_new=yes
  3066                     ])
  3067                     if test x$have_usbhid_new = xyes; then
  3068                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
  3069                     fi
  3070                     AC_MSG_RESULT($have_usbhid_new)
  3071 
  3072                     AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
  3073                     have_machine_joystick=no
  3074                     AC_TRY_COMPILE([
  3075                       #include <machine/joystick.h>
  3076                     ],[
  3077                       struct joystick t;
  3078                     ],[
  3079                     have_machine_joystick=yes
  3080                     ])
  3081                     if test x$have_machine_joystick = xyes; then
  3082                         AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H, 1, [ ])
  3083                     fi
  3084                     AC_MSG_RESULT($have_machine_joystick)
  3085 
  3086                     AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ])
  3087                     SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
  3088                     EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
  3089                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
  3090                     have_joystick=yes
  3091                 fi
  3092                 CFLAGS="$save_CFLAGS"
  3093             fi
  3094         ;;
  3095     esac
  3096 }
  3097 
  3098 dnl Check for clock_gettime()
  3099 CheckClockGettime()
  3100 {
  3101     AC_ARG_ENABLE(clock_gettime,
  3102 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),
  3103                   , enable_clock_gettime=yes)
  3104     if test x$enable_clock_gettime = xyes; then
  3105         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
  3106         if test x$have_clock_gettime = xyes; then
  3107             AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  3108             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
  3109         else
  3110             AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes)
  3111             if test x$have_clock_gettime = xyes; then
  3112                AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  3113                EXTRA_LDFLAGS="$EXTRA_LDFLAGS"
  3114             fi
  3115         fi
  3116     fi
  3117 }
  3118 
  3119 dnl Check for a valid linux/version.h
  3120 CheckLinuxVersion()
  3121 {
  3122     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
  3123     if test x$have_linux_version_h = xyes; then
  3124         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
  3125     fi
  3126 }
  3127 
  3128 dnl Check if we want to use RPATH
  3129 CheckRPATH()
  3130 {
  3131     AC_ARG_ENABLE(rpath,
  3132 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
  3133                   , enable_rpath=yes)
  3134 }
  3135 
  3136 dnl Do this on all platforms, before everything else (other things might want to override it).
  3137 CheckWarnAll
  3138 
  3139 dnl Set up the configuration based on the host platform!
  3140 case "$host" in
  3141     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*|*-*-nto*)
  3142         case "$host" in
  3143             *-raspberry-linux*)
  3144                 # Raspberry Pi
  3145                 ARCH=linux
  3146                 RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
  3147                 CFLAGS="$CFLAGS $RPI_CFLAGS"
  3148                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
  3149                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
  3150                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L/opt/vc/lib -lbcm_host -ldl"
  3151 
  3152                 if test x$enable_video = xyes; then
  3153                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
  3154                     # FIXME: confdefs? Not AC_DEFINE?
  3155                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
  3156                     SUMMARY_video="${SUMMARY_video} rpi"
  3157                 fi
  3158                 ;;
  3159             *-*-androideabi*)
  3160                 # Android
  3161                 ARCH=android
  3162                 ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"
  3163                 CFLAGS="$CFLAGS $ANDROID_CFLAGS"
  3164                 SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS"
  3165                 SDL_LIBS="$SDL_LIBS -lSDL2main -Wl,-u,SDL_main_dummy"
  3166                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS"
  3167                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid"
  3168                 SDLMAIN_SOURCES="$srcdir/src/main/android/*.c"
  3169 
  3170                 if test x$enable_video = xyes; then
  3171                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
  3172                     # FIXME: confdefs? Not AC_DEFINE?
  3173                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
  3174                     SUMMARY_video="${SUMMARY_video} android"
  3175                 fi
  3176                 ;;
  3177             *-*-linux*)         ARCH=linux ;;
  3178             *-*-uclinux*)       ARCH=linux ;;
  3179             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
  3180             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
  3181             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
  3182             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
  3183             *-*-bsdi*)          ARCH=bsdi ;;
  3184             *-*-freebsd*)       ARCH=freebsd ;;
  3185             *-*-dragonfly*)     ARCH=freebsd ;;
  3186             *-raspberry-netbsd*)
  3187                 # Raspberry Pi
  3188                 ARCH=netbsd
  3189                 RPI_CFLAGS="-I/usr/pkg/include -I/usr/pkg/include/interface/vcos/pthreads -I/usr/pkg/include/interface/vmcs_host/linux"
  3190                 CFLAGS="$CFLAGS $RPI_CFLAGS"
  3191                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
  3192                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
  3193                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-R/usr/pkg/lib -L/usr/pkg/lib -lbcm_host -ldl"
  3194 
  3195                 if test x$enable_video = xyes; then
  3196                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
  3197                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
  3198                     SUMMARY_video="${SUMMARY_video} raspberry"
  3199                 fi
  3200                 ;;
  3201             *-*-netbsd*)        ARCH=netbsd ;;
  3202             *-*-openbsd*)       ARCH=openbsd ;;
  3203             *-*-sysv5*)         ARCH=sysv5 ;;
  3204             *-*-solaris*)       ARCH=solaris ;;
  3205             *-*-hpux*)          ARCH=hpux ;;
  3206             *-*-aix*)           ARCH=aix ;;
  3207             *-*-minix*)         ARCH=minix ;;
  3208             *-*-nto*)           ARCH=nto
  3209                 CheckQNXVideo
  3210                 ;;
  3211         esac
  3212         CheckVisibilityHidden
  3213         CheckDeclarationAfterStatement
  3214         CheckDummyVideo
  3215         CheckDiskAudio
  3216         CheckDummyAudio
  3217         CheckDLOPEN
  3218         CheckOSS
  3219         CheckALSA
  3220         CheckPulseAudio
  3221         CheckJACK
  3222         CheckARTSC
  3223         CheckESD
  3224         CheckNAS
  3225         CheckSNDIO
  3226         CheckFusionSound
  3227         CheckLibSampleRate
  3228         CheckX11
  3229         CheckDirectFB
  3230         CheckKMSDRM
  3231         CheckOpenGLX11
  3232         CheckOpenGLESX11
  3233         CheckMir
  3234         CheckWayland
  3235         CheckLibUDev
  3236         CheckDBus
  3237         CheckIME
  3238         CheckIBus
  3239         CheckFcitx
  3240         case $ARCH in
  3241           linux)
  3242               CheckInputEvents
  3243               CheckInputKD
  3244           ;;
  3245         esac
  3246         CheckTslib
  3247         CheckUSBHID
  3248         CheckPTHREAD
  3249         CheckClockGettime
  3250         CheckLinuxVersion
  3251         CheckRPATH
  3252         CheckVivanteVideo
  3253 
  3254         # Set up files for the audio library
  3255         if test x$enable_audio = xyes; then
  3256           case $ARCH in
  3257             sysv5|solaris|hpux)
  3258                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ])
  3259                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  3260                 SUMMARY_audio="${SUMMARY_audio} sun"
  3261                 have_audio=yes
  3262             ;;
  3263             netbsd)  # Don't use this on OpenBSD, it's busted.
  3264                 AC_DEFINE(SDL_AUDIO_DRIVER_NETBSD, 1, [ ])
  3265                 SOURCES="$SOURCES $srcdir/src/audio/netbsd/*.c"
  3266                 SUMMARY_audio="${SUMMARY_audio} netbsd"
  3267                 have_audio=yes
  3268             ;;
  3269             aix)
  3270                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ])
  3271                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
  3272                 SUMMARY_audio="${SUMMARY_audio} paudio"
  3273                 have_audio=yes
  3274             ;;
  3275             android)
  3276                 AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ])
  3277                 SOURCES="$SOURCES $srcdir/src/audio/android/*.c"
  3278                 SUMMARY_audio="${SUMMARY_audio} android"
  3279                 have_audio=yes
  3280             ;;
  3281             nto)
  3282                 CheckQNXAudio
  3283             ;;
  3284           esac
  3285         fi
  3286         # Set up files for the joystick library
  3287         if test x$enable_joystick = xyes; then
  3288           case $ARCH in
  3289             linux)
  3290                 AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ])
  3291                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
  3292                 have_joystick=yes
  3293             ;;
  3294             android)
  3295                 AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ])
  3296                 SOURCES="$SOURCES $srcdir/src/joystick/android/*.c"
  3297                 have_joystick=yes
  3298             ;;
  3299           esac
  3300         fi
  3301         # Set up files for the haptic library
  3302         if test x$enable_haptic = xyes; then
  3303            if test x$use_input_events = xyes; then
  3304              case $ARCH in
  3305                linux)
  3306                    AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ])
  3307                    SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"
  3308                    have_haptic=yes
  3309                ;;
  3310              esac
  3311            fi
  3312         fi
  3313         # Set up files for the power library
  3314         if test x$enable_power = xyes; then
  3315              case $ARCH in
  3316                linux)
  3317                    AC_DEFINE(SDL_POWER_LINUX, 1, [ ])
  3318                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"
  3319                    have_power=yes
  3320                ;;
  3321                android)
  3322                    AC_DEFINE(SDL_POWER_ANDROID, 1, [ ])
  3323                    SOURCES="$SOURCES $srcdir/src/power/android/*.c"
  3324                    have_power=yes
  3325                ;;
  3326              esac
  3327         fi
  3328         # Set up files for the filesystem library
  3329         if test x$enable_filesystem = xyes; then
  3330              case $ARCH in
  3331                android)
  3332                    AC_DEFINE(SDL_FILESYSTEM_ANDROID, 1, [ ])
  3333                    SOURCES="$SOURCES $srcdir/src/filesystem/android/*.c"
  3334                    have_filesystem=yes
  3335                ;;
  3336                *)
  3337                    AC_DEFINE(SDL_FILESYSTEM_UNIX, 1, [ ])
  3338                    SOURCES="$SOURCES $srcdir/src/filesystem/unix/*.c"
  3339                    have_filesystem=yes
  3340                ;;
  3341              esac
  3342         fi
  3343         # Set up files for the timer library
  3344         if test x$enable_timers = xyes; then
  3345             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3346             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3347             have_timers=yes
  3348         fi
  3349         # Set up files for udev hotplugging support
  3350         if test x$enable_libudev = xyes && test x$have_libudev_h_hdr = xyes; then
  3351             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_udev.c"               
  3352         fi
  3353         # Set up files for evdev input
  3354         if test x$use_input_events = xyes; then
  3355             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev*.c"
  3356         fi       
  3357         # Set up other core UNIX files
  3358         SOURCES="$SOURCES $srcdir/src/core/unix/*.c"
  3359         ;;
  3360     *-*-cygwin* | *-*-mingw32*)
  3361         ARCH=win32
  3362         if test "$build" != "$host"; then # cross-compiling
  3363             # Default cross-compile location
  3364             ac_default_prefix=/usr/local/cross-tools/$host
  3365         else
  3366             # Look for the location of the tools and install there
  3367             if test "$BUILD_PREFIX" != ""; then
  3368                 ac_default_prefix=$BUILD_PREFIX
  3369             fi
  3370         fi
  3371         CheckDeclarationAfterStatement
  3372         CheckDummyVideo
  3373         CheckDiskAudio
  3374         CheckDummyAudio
  3375         CheckWINDOWS
  3376         CheckWINDOWSGL
  3377         CheckWINDOWSGLES
  3378         CheckDIRECTX
  3379 
  3380         # Set up the core platform files
  3381         SOURCES="$SOURCES $srcdir/src/core/windows/*.c"
  3382 
  3383         # Set up files for the video library
  3384         if test x$enable_video = xyes; then
  3385             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])
  3386             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
  3387             have_video=yes
  3388             AC_ARG_ENABLE(render-d3d,
  3389 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
  3390                                 , enable_render_d3d=yes)
  3391             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
  3392                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])
  3393             fi
  3394             if test x$enable_render_d3d = xyes -a x$have_d3d11 = xyes; then
  3395                 AC_DEFINE(SDL_VIDEO_RENDER_D3D11, 1, [ ])
  3396             fi
  3397         fi
  3398         # Set up files for the audio library
  3399         if test x$enable_audio = xyes; then
  3400             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])
  3401             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"
  3402             if test x$have_dsound = xyes; then
  3403                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])
  3404                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"
  3405             fi
  3406             if test x$have_xaudio2 = xyes; then
  3407                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
  3408                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
  3409             fi
  3410             if test x$have_wasapi = xyes; then
  3411                 AC_DEFINE(SDL_AUDIO_DRIVER_WASAPI, 1, [ ])
  3412                 SOURCES="$SOURCES $srcdir/src/audio/wasapi/*.c"
  3413             fi
  3414             have_audio=yes
  3415         fi
  3416         # Set up files for the joystick library
  3417         if test x$enable_joystick = xyes; then
  3418             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
  3419                 if test x$have_xinput = xyes; then
  3420                     AC_DEFINE(SDL_JOYSTICK_XINPUT, 1, [ ])
  3421                 fi
  3422                 if test x$have_dinput = xyes; then
  3423                     AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ])
  3424                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8"
  3425                 fi
  3426             else
  3427                 AC_DEFINE(SDL_JOYSTICK_WINMM, 1, [ ])
  3428             fi
  3429             SOURCES="$SOURCES $srcdir/src/joystick/windows/*.c"
  3430             have_joystick=yes
  3431         fi
  3432         if test x$enable_haptic = xyes; then
  3433             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
  3434                 if test x$have_xinput = xyes; then
  3435                     AC_DEFINE(SDL_HAPTIC_XINPUT, 1, [ ])
  3436                 fi
  3437                 if test x$have_dinput = xyes; then
  3438                     AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ])
  3439                 fi
  3440                 SOURCES="$SOURCES $srcdir/src/haptic/windows/*.c"
  3441                 have_haptic=yes
  3442             fi
  3443         fi
  3444         if test x$enable_power = xyes; then
  3445             AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ])
  3446             SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c"
  3447             have_power=yes
  3448         fi
  3449         if test x$enable_filesystem = xyes; then
  3450             AC_DEFINE(SDL_FILESYSTEM_WINDOWS, 1, [ ])
  3451             SOURCES="$SOURCES $srcdir/src/filesystem/windows/SDL_sysfilesystem.c"
  3452             have_filesystem=yes
  3453         fi
  3454         # Set up files for the thread library
  3455         if test x$enable_threads = xyes; then
  3456             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])
  3457             SOURCES="$SOURCES $srcdir/src/thread/windows/*.c"
  3458             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  3459             have_threads=yes
  3460         fi
  3461         # Set up files for the timer library
  3462         if test x$enable_timers = xyes; then
  3463             AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ])
  3464             SOURCES="$SOURCES $srcdir/src/timer/windows/*.c"
  3465             have_timers=yes
  3466         fi
  3467         # Set up files for the shared object loading library
  3468         if test x$enable_loadso = xyes; then
  3469             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])
  3470             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"
  3471             have_loadso=yes
  3472         fi
  3473         # Set up the system libraries we need
  3474         if test -f /lib/w32api/libuuid.a; then
  3475             LIBUUID=/lib/w32api/libuuid.a
  3476         else
  3477             LIBUUID=-luuid
  3478         fi
  3479         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion $LIBUUID -static-libgcc"
  3480         # The Windows platform requires special setup
  3481         VERSION_SOURCES="$srcdir/src/main/windows/*.rc"
  3482         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
  3483         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
  3484         SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows"
  3485 
  3486         # Check to see if this is a mingw or cygwin build
  3487         have_mingw32=
  3488         AC_CHECK_LIB(mingw32, main, [have_mingw32=yes])
  3489         if test x$have_mingw32 = xyes; then
  3490             SDL_LIBS="-lmingw32 $SDL_LIBS"
  3491         else
  3492             SDL_LIBS="-lcygwin $SDL_LIBS"
  3493         fi
  3494         ;;
  3495 
  3496     dnl BeOS support removed after SDL 2.0.1. Haiku still works.  --ryan.
  3497     *-*-beos*)
  3498         AC_MSG_ERROR([
  3499 *** BeOS support has been removed as of SDL 2.0.2.
  3500         ])
  3501         ;;
  3502 
  3503     *-*-haiku*)
  3504         ARCH=haiku
  3505         ac_default_prefix=/boot/system
  3506         CheckDummyVideo
  3507         CheckDiskAudio
  3508         CheckDummyAudio
  3509         CheckDLOPEN
  3510         CheckHaikuVideo
  3511         CheckHaikuGL
  3512         CheckPTHREAD
  3513 
  3514         # Set up files for the audio library
  3515         if test x$enable_audio = xyes; then
  3516             AC_DEFINE(SDL_AUDIO_DRIVER_HAIKU, 1, [ ])
  3517             SOURCES="$SOURCES $srcdir/src/audio/haiku/*.cc"
  3518             SUMMARY_audio="${SUMMARY_audio} haiku"
  3519             have_audio=yes
  3520         fi
  3521         # Set up files for the joystick library
  3522         if test x$enable_joystick = xyes; then
  3523             AC_DEFINE(SDL_JOYSTICK_HAIKU, 1, [ ])
  3524             SOURCES="$SOURCES $srcdir/src/joystick/haiku/*.cc"
  3525             have_joystick=yes
  3526         fi
  3527         # Set up files for the timer library
  3528         if test x$enable_timers = xyes; then
  3529             AC_DEFINE(SDL_TIMER_HAIKU, 1, [ ])
  3530             SOURCES="$SOURCES $srcdir/src/timer/haiku/*.c"
  3531             have_timers=yes
  3532         fi
  3533         # Set up files for the system power library
  3534         if test x$enable_power = xyes; then
  3535             AC_DEFINE(SDL_POWER_HAIKU, 1, [ ])
  3536             SOURCES="$SOURCES $srcdir/src/power/haiku/*.c"
  3537             have_power=yes
  3538         fi
  3539         # Set up files for the system filesystem library
  3540         if test x$enable_filesystem = xyes; then
  3541             AC_DEFINE(SDL_FILESYSTEM_HAIKU, 1, [ ])
  3542             SOURCES="$SOURCES $srcdir/src/filesystem/haiku/*.cc"
  3543             have_filesystem=yes
  3544         fi
  3545         # The Haiku platform requires special setup.
  3546         SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES"
  3547         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
  3548         # Haiku's x86 spins use libstdc++.r4.so (for binary compat?), but
  3549         #  other spins, like x86-64, use a more standard "libstdc++.so.*"
  3550         AC_CHECK_FILE("/boot/system/lib/libstdc++.r4.so", EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lstdc++.r4", EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lstdc++")
  3551         ;;
  3552     arm*-apple-darwin*|*-ios-*)
  3553         ARCH=ios
  3554 
  3555         CheckVisibilityHidden
  3556         CheckDeclarationAfterStatement
  3557         CheckDummyVideo
  3558         CheckDiskAudio
  3559         CheckDummyAudio
  3560         CheckDLOPEN
  3561         CheckPTHREAD
  3562 
  3563         # Set up files for the audio library
  3564         if test x$enable_audio = xyes; then
  3565             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
  3566             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.m"
  3567             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3568             have_audio=yes
  3569         fi
  3570         # Set up files for the joystick library
  3571         if test x$enable_joystick = xyes; then
  3572             AC_DEFINE(SDL_JOYSTICK_MFI, 1, [ ])
  3573             SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m"
  3574             have_joystick=yes
  3575         fi
  3576         # Set up files for the haptic library
  3577         #if test x$enable_haptic = xyes; then
  3578         #    SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3579         #    have_haptic=yes
  3580         #    EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3581         #fi
  3582         # Set up files for the power library
  3583         if test x$enable_power = xyes; then
  3584             AC_DEFINE(SDL_POWER_UIKIT, 1, [ ])
  3585             SOURCES="$SOURCES $srcdir/src/power/uikit/*.m"
  3586             have_power=yes
  3587         fi
  3588         # Set up files for the filesystem library
  3589         if test x$enable_filesystem = xyes; then
  3590             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3591             have_filesystem=yes
  3592         fi
  3593         # Set up additional files for the file library
  3594         if test x$enable_file = xyes; then
  3595             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])
  3596             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3597         fi
  3598         # Set up files for the timer library
  3599         if test x$enable_timers = xyes; then
  3600             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3601             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3602             have_timers=yes
  3603         fi
  3604         # Set up other core UNIX files
  3605         SOURCES="$SOURCES $srcdir/src/core/unix/*.c"
  3606         # The iOS platform requires special setup.
  3607         AC_DEFINE(SDL_VIDEO_DRIVER_UIKIT, 1, [ ])
  3608         AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  3609         AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])
  3610         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])
  3611         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  3612         SOURCES="$SOURCES $srcdir/src/video/uikit/*.m"
  3613         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -liconv -lobjc"
  3614         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AVFoundation"
  3615         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox"
  3616         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio"
  3617         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreGraphics"
  3618         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreMotion"
  3619         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Foundation"
  3620         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,GameController"
  3621         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGLES"
  3622         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"
  3623         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"
  3624         ;;
  3625     *-*-darwin* )
  3626         # This could be either full "Mac OS X", or plain "Darwin" which is
  3627         # just the OS X kernel sans upper layers like Carbon and Cocoa.
  3628         # Next line is broken, and a few files below require Mac OS X (full)
  3629         ARCH=macosx
  3630 
  3631         # Mac OS X builds with both the Carbon and OSX APIs at the moment
  3632         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
  3633         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
  3634 
  3635         CheckVisibilityHidden
  3636         CheckDeclarationAfterStatement
  3637         CheckDummyVideo
  3638         CheckDiskAudio
  3639         CheckDummyAudio
  3640         CheckDLOPEN
  3641         CheckCOCOA
  3642         CheckX11
  3643         CheckMacGL
  3644         CheckOpenGLX11
  3645         CheckPTHREAD
  3646 
  3647         # Set up files for the audio library
  3648         if test x$enable_audio = xyes; then
  3649             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
  3650             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.m"
  3651             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox"
  3652             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3653             have_audio=yes
  3654         fi
  3655         # Set up files for the joystick library
  3656         if test x$enable_joystick = xyes; then
  3657             AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ])
  3658             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
  3659             have_joystick=yes
  3660         fi
  3661         # Set up files for the haptic library
  3662         if test x$enable_haptic = xyes; then
  3663             AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ])
  3664             SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3665             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3666             have_haptic=yes
  3667         fi
  3668         # Set up files for the power library
  3669         if test x$enable_power = xyes; then
  3670             AC_DEFINE(SDL_POWER_MACOSX, 1, [ ])
  3671             SOURCES="$SOURCES $srcdir/src/power/macosx/*.c"
  3672             have_power=yes
  3673         fi
  3674         # Set up files for the filesystem library
  3675         if test x$enable_filesystem = xyes; then
  3676             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])
  3677             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3678             have_filesystem=yes
  3679         fi
  3680         # Set up files for the timer library
  3681         if test x$enable_timers = xyes; then
  3682             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3683             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3684             have_timers=yes
  3685         fi
  3686         # Set up additional files for the file library
  3687         if test x$enable_file = xyes; then
  3688             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3689         fi
  3690         # Set up other core UNIX files
  3691         SOURCES="$SOURCES $srcdir/src/core/unix/*.c"
  3692         # The Mac OS X platform requires special setup.
  3693         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc"
  3694         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreVideo"
  3695         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
  3696         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
  3697         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
  3698         ;;
  3699     *-nacl|*-pnacl)
  3700         ARCH=nacl
  3701         CheckNativeClient
  3702         CheckDummyAudio
  3703         CheckDummyVideo
  3704         CheckInputEvents
  3705         CheckPTHREAD
  3706         
  3707         # Set up files for the timer library
  3708         if test x$enable_timers = xyes; then
  3709             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3710             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3711             have_timers=yes
  3712         fi
  3713         
  3714         if test x$enable_filesystem = xyes; then
  3715             AC_DEFINE(SDL_FILESYSTEM_NACL, 1, [ ])
  3716             SOURCES="$SOURCES $srcdir/src/filesystem/nacl/*.c"
  3717             have_filesystem=yes
  3718         fi
  3719         ;;
  3720     *-*-emscripten* )
  3721         if test x$enable_video = xyes; then
  3722             AC_DEFINE(SDL_VIDEO_DRIVER_EMSCRIPTEN, 1, [ ])
  3723             SOURCES="$SOURCES $srcdir/src/video/emscripten/*.c"
  3724             have_video=yes
  3725             SUMMARY_video="${SUMMARY_video} emscripten"
  3726         fi
  3727 
  3728         if test x$enable_audio = xyes; then
  3729             AC_DEFINE(SDL_AUDIO_DRIVER_EMSCRIPTEN, 1, [ ])
  3730             SOURCES="$SOURCES $srcdir/src/audio/emscripten/*.c"
  3731             have_audio=yes
  3732             SUMMARY_audio="${SUMMARY_audio} emscripten"
  3733         fi
  3734 
  3735         CheckVisibilityHidden
  3736         CheckDeclarationAfterStatement
  3737         CheckDummyVideo
  3738         CheckDiskAudio
  3739         CheckDummyAudio
  3740         CheckDLOPEN
  3741         CheckClockGettime
  3742         CheckEmscriptenGLES
  3743 
  3744          # Set up files for the power library
  3745         if test x$enable_power = xyes; then
  3746             AC_DEFINE(SDL_POWER_EMSCRIPTEN, 1, [ ])
  3747             SOURCES="$SOURCES $srcdir/src/power/emscripten/*.c"
  3748             have_power=yes
  3749         fi
  3750         
  3751         # Set up files for the power library
  3752         if test x$enable_joystick = xyes; then
  3753             AC_DEFINE(SDL_JOYSTICK_EMSCRIPTEN, 1, [ ])
  3754             SOURCES="$SOURCES $srcdir/src/joystick/emscripten/*.c"
  3755             have_joystick=yes
  3756         fi
  3757 
  3758         # Set up files for the filesystem library
  3759         if test x$enable_filesystem = xyes; then
  3760             AC_DEFINE(SDL_FILESYSTEM_EMSCRIPTEN, 1, [ ])
  3761             SOURCES="$SOURCES $srcdir/src/filesystem/emscripten/*.c"
  3762             have_filesystem=yes
  3763         fi
  3764         # Set up files for the timer library
  3765         if test x$enable_timers = xyes; then
  3766             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3767             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3768             have_timers=yes
  3769         fi
  3770         ;;
  3771     *)
  3772         AC_MSG_ERROR([
  3773 *** Unsupported host:  Please add to configure.in
  3774         ])
  3775         ;;
  3776 esac
  3777 
  3778 # Verify that we have all the platform specific files we need
  3779 
  3780 if test x$have_joystick != xyes; then
  3781     if test x$enable_joystick = xyes; then
  3782         AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
  3783     fi
  3784     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
  3785 fi
  3786 if test x$have_haptic != xyes; then
  3787     if test x$enable_haptic = xyes; then
  3788         AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
  3789     fi
  3790     SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c"
  3791 fi
  3792 if test x$have_threads != xyes; then
  3793     if test x$enable_threads = xyes; then
  3794         AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
  3795     fi
  3796     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
  3797 fi
  3798 if test x$have_timers != xyes; then
  3799     if test x$enable_timers = xyes; then
  3800         AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
  3801     fi
  3802     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
  3803 fi
  3804 if test x$have_filesystem != xyes; then
  3805     if test x$enable_filesystem = xyes; then
  3806         AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
  3807     fi
  3808     SOURCES="$SOURCES $srcdir/src/filesystem/dummy/*.c"
  3809 fi
  3810 if test x$have_loadso != xyes; then
  3811     if test x$enable_loadso = xyes; then
  3812         AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
  3813     fi
  3814     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
  3815 fi
  3816 if test x$SDLMAIN_SOURCES = x; then
  3817     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
  3818 fi
  3819 SDLTEST_SOURCES="$srcdir/src/test/*.c"
  3820 
  3821 if test x$video_wayland = xyes; then
  3822     WAYLAND_CORE_PROTOCOL_SOURCE='$(gen)/wayland-protocol.c'
  3823     WAYLAND_CORE_PROTOCOL_HEADER='$(gen)/wayland-client-protocol.h'
  3824     WAYLAND_PROTOCOLS_UNSTABLE_SOURCES=`echo $WAYLAND_PROTOCOLS_UNSTABLE |\
  3825         sed 's,[[^ ]]\+,\\$(gen)/&-protocol.c,g'`
  3826     WAYLAND_PROTOCOLS_UNSTABLE_HEADERS=`echo $WAYLAND_PROTOCOLS_UNSTABLE |\
  3827         sed 's,[[^ ]]\+,\\$(gen)/&-client-protocol.h,g'`
  3828     GEN_SOURCES="$GEN_SOURCES $WAYLAND_CORE_PROTOCOL_SOURCE $WAYLAND_PROTOCOLS_UNSTABLE_SOURCES"
  3829     GEN_HEADERS="$GEN_HEADERS $WAYLAND_CORE_PROTOCOL_HEADER $WAYLAND_PROTOCOLS_UNSTABLE_HEADERS"
  3830 
  3831     WAYLAND_CORE_PROTOCOL_SOURCE_DEPENDS="
  3832 $WAYLAND_CORE_PROTOCOL_SOURCE: $WAYLAND_CORE_PROTOCOL_DIR/wayland.xml
  3833 	\$(SHELL) \$(auxdir)/mkinstalldirs \$(gen)
  3834 	\$(RUN_CMD_GEN)\$(WAYLAND_SCANNER) code \$< \$@"
  3835 
  3836     WAYLAND_CORE_PROTOCOL_HEADER_DEPENDS="
  3837 $WAYLAND_CORE_PROTOCOL_HEADER: $WAYLAND_CORE_PROTOCOL_DIR/wayland.xml
  3838 	\$(SHELL) \$(auxdir)/mkinstalldirs \$(gen)
  3839 	\$(RUN_CMD_GEN)\$(WAYLAND_SCANNER) client-header \$< \$@"
  3840 
  3841     WAYLAND_CORE_PROTOCOL_OBJECT="
  3842 \$(objects)/`echo $WAYLAND_CORE_PROTOCOL_SOURCE | sed 's/\$(gen)\/\(.*\).c$/\1.lo/'`: $WAYLAND_CORE_PROTOCOL_SOURCE
  3843 	\$(RUN_CMD_CC)\$(LIBTOOL) --tag=CC --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \$< -o \$@"
  3844 
  3845     WAYLAND_PROTOCOLS_CLIENT_HEADER_UNSTABLE_DEPENDS=`for p in $WAYLAND_PROTOCOLS_UNSTABLE;\
  3846         do echo ; echo \$p | sed\
  3847         "s,^\\([[a-z\\-]]\\+\\)-unstable-\\(v[[0-9]]\+\\)\$,\\$(gen)/&-client-protocol.h: $WAYLAND_PROTOCOLS_DIR/unstable/\1/&.xml\\\\
  3848 	\\$(SHELL) \\$(auxdir)/mkinstalldirs \\$(gen)\\\\
  3849 	\\$(RUN_CMD_GEN)\\$(WAYLAND_SCANNER) client-header \\$< \\$@," ; done`
  3850 
  3851     WAYLAND_PROTOCOLS_CODE_UNSTABLE_DEPENDS=`for p in $WAYLAND_PROTOCOLS_UNSTABLE;\
  3852         do echo ; echo \$p | sed\
  3853         "s,^\\([[a-z\\-]]\\+\\)-unstable-\\(v[[0-9]]\+\\)\$,\\$(gen)/&-protocol.c: $WAYLAND_PROTOCOLS_DIR/unstable/\1/&.xml\\\\
  3854 	\\$(SHELL) \\$(auxdir)/mkinstalldirs \\$(gen)\\\\
  3855 	\\$(RUN_CMD_GEN)\\$(WAYLAND_SCANNER) code \\$< \\$@," ; done`
  3856 
  3857     WAYLAND_PROTOCOLS_OBJECTS_UNSTABLE=`for p in $WAYLAND_PROTOCOLS_UNSTABLE;\
  3858         do echo ; echo \$p | sed\
  3859         "s,^\\([[a-z\\-]]\\+\\)-unstable-\\(v[[0-9]]\+\\)\$,\\\$(objects)/&-protocol.lo: \\$(gen)/&-protocol.c \\$(gen)/&-client-protocol.h\\\\
  3860 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@," ; done`
  3861 
  3862     WAYLAND_PROTOCOLS_DEPENDS="
  3863 $WAYLAND_CORE_PROTOCOL_SOURCE_DEPENDS
  3864 $WAYLAND_CORE_PROTOCOL_HEADER_DEPENDS
  3865 $WAYLAND_CORE_PROTOCOL_OBJECT
  3866 $WAYLAND_PROTOCOLS_CLIENT_HEADER_UNSTABLE_DEPENDS
  3867 $WAYLAND_PROTOCOLS_CODE_UNSTABLE_DEPENDS
  3868 $WAYLAND_PROTOCOLS_OBJECTS_UNSTABLE
  3869 "
  3870 fi
  3871 
  3872 OBJECTS=`echo $SOURCES`
  3873 DEPENDS=`echo $SOURCES | tr ' ' '\n'`
  3874 for EXT in asm cc m c S; do
  3875     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`
  3876     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\
  3877 \\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
  3878 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3879 done
  3880 
  3881 GEN_OBJECTS=`echo "$GEN_SOURCES" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.lo,g'`
  3882 
  3883 VERSION_OBJECTS=`echo $VERSION_SOURCES`
  3884 VERSION_DEPENDS=`echo $VERSION_SOURCES`
  3885 VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
  3886 VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\
  3887 \\$(objects)/\\2.o: \\1/\\2.rc\\\\
  3888 	\\$(WINDRES) \\$< \\$@,g"`
  3889 
  3890 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
  3891 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
  3892 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.lo,g'`
  3893 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3894 \\$(objects)/\\2.lo: \\1/\\2.c\\\\
  3895 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3896 
  3897 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`
  3898 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`
  3899 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.lo,g'`
  3900 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3901 \\$(objects)/\\2.lo: \\1/\\2.c\\\\
  3902 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3903 
  3904 # Set runtime shared library paths as needed
  3905 
  3906 if test "x$enable_rpath" = "xyes"; then
  3907   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
  3908     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
  3909 
  3910     AC_MSG_CHECKING(for linker option --enable-new-dtags)
  3911     have_enable_new_dtags=no
  3912     save_LDFLAGS="$LDFLAGS"
  3913     LDFLAGS="$LDFLAGS -Wl,--enable-new-dtags"
  3914     AC_TRY_LINK([
  3915     ],[
  3916     ],[
  3917     have_enable_new_dtags=yes
  3918     SDL_RLD_FLAGS="$SDL_RLD_FLAGS -Wl,--enable-new-dtags"
  3919     ])
  3920     LDFLAGS="$save_LDFLAGS"
  3921     AC_MSG_RESULT($have_enable_new_dtags)
  3922   fi
  3923   if test $ARCH = solaris; then
  3924     SDL_RLD_FLAGS="-R\${libdir}"
  3925   fi
  3926 else
  3927   SDL_RLD_FLAGS=""
  3928 fi
  3929 
  3930 SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
  3931 
  3932 dnl Expand the cflags and libraries needed by apps using SDL
  3933 AC_SUBST(SDL_CFLAGS)
  3934 AC_SUBST(SDL_LIBS)
  3935 AC_SUBST(SDL_STATIC_LIBS)
  3936 AC_SUBST(SDL_RLD_FLAGS)
  3937 if test x$enable_shared = xyes; then
  3938     ENABLE_SHARED_TRUE=
  3939     ENABLE_SHARED_FALSE="#"
  3940 else
  3941     ENABLE_SHARED_TRUE="#"
  3942     ENABLE_SHARED_FALSE=
  3943 fi
  3944 if test x$enable_static = xyes; then
  3945     ENABLE_STATIC_TRUE=
  3946     ENABLE_STATIC_FALSE="#"
  3947 else
  3948     ENABLE_STATIC_TRUE="#"
  3949     ENABLE_STATIC_FALSE=
  3950 fi
  3951 AC_SUBST(ENABLE_SHARED_TRUE)
  3952 AC_SUBST(ENABLE_SHARED_FALSE)
  3953 AC_SUBST(ENABLE_STATIC_TRUE)
  3954 AC_SUBST(ENABLE_STATIC_FALSE)
  3955 
  3956 dnl Expand the sources and objects needed to build the library
  3957 AC_SUBST(ac_aux_dir)
  3958 AC_SUBST(INCLUDE)
  3959 AC_SUBST(OBJECTS)
  3960 AC_SUBST(GEN_HEADERS)
  3961 AC_SUBST(GEN_OBJECTS)
  3962 AC_SUBST(VERSION_OBJECTS)
  3963 AC_SUBST(SDLMAIN_OBJECTS)
  3964 AC_SUBST(SDLTEST_OBJECTS)
  3965 AC_SUBST(BUILD_CFLAGS)
  3966 AC_SUBST(EXTRA_CFLAGS)
  3967 AC_SUBST(BUILD_LDFLAGS)
  3968 AC_SUBST(EXTRA_LDFLAGS)
  3969 AC_SUBST(WINDRES)
  3970 AC_SUBST(WAYLAND_SCANNER)
  3971 
  3972 cat >Makefile.rules <<__EOF__
  3973 
  3974 # Build rules for objects
  3975 -include \$(OBJECTS:.lo=.d)
  3976 
  3977 # Special dependency for SDL.c, since it depends on SDL_revision.h
  3978 $srcdir/src/SDL.c: update-revision
  3979 $DEPENDS
  3980 $VERSION_DEPENDS
  3981 $SDLMAIN_DEPENDS
  3982 $SDLTEST_DEPENDS
  3983 $WAYLAND_PROTOCOLS_DEPENDS
  3984 __EOF__
  3985 
  3986 AC_CONFIG_FILES([
  3987     Makefile:Makefile.in:Makefile.rules sdl2-config sdl2-config.cmake SDL2.spec sdl2.pc
  3988 ])
  3989 AC_CONFIG_COMMANDS([sdl2_config],[chmod a+x sdl2-config])
  3990 
  3991 SUMMARY="SDL2 Configure Summary:\n"
  3992 if test x$enable_shared = xyes; then
  3993     SUMMARY="${SUMMARY}Building Shared Libraries\n"
  3994 fi
  3995 if test x$enable_static = xyes; then
  3996     SUMMARY="${SUMMARY}Building Static Libraries\n"
  3997 fi
  3998 SUMMARY="${SUMMARY}Enabled modules :${SUMMARY_modules}\n"
  3999 SUMMARY="${SUMMARY}Assembly Math   :${SUMMARY_math}\n" 
  4000 SUMMARY="${SUMMARY}Audio drivers   :${SUMMARY_audio}\n"
  4001 SUMMARY="${SUMMARY}Video drivers   :${SUMMARY_video}\n"
  4002 if test x$have_x = xyes; then
  4003     SUMMARY="${SUMMARY}X11 libraries   :${SUMMARY_video_x11}\n"
  4004 fi
  4005 SUMMARY="${SUMMARY}Input drivers   :${SUMMARY_input}\n"
  4006 if test x$have_samplerate_h_hdr = xyes; then
  4007     SUMMARY="${SUMMARY}Using libsamplerate : YES\n"
  4008 else
  4009     SUMMARY="${SUMMARY}Using libsamplerate : NO\n"
  4010 fi
  4011 if test x$have_libudev_h_hdr = xyes; then
  4012     SUMMARY="${SUMMARY}Using libudev       : YES\n"
  4013 else
  4014     SUMMARY="${SUMMARY}Using libudev       : NO\n"
  4015 fi
  4016 if test x$have_dbus_dbus_h_hdr = xyes; then
  4017     SUMMARY="${SUMMARY}Using dbus          : YES\n"
  4018 else
  4019     SUMMARY="${SUMMARY}Using dbus          : NO\n"
  4020 fi
  4021 if test x$enable_ime = xyes; then
  4022     SUMMARY="${SUMMARY}Using ime           : YES\n"
  4023 else
  4024     SUMMARY="${SUMMARY}Using ime           : NO\n"
  4025 fi
  4026 if test x$have_ibus_ibus_h_hdr = xyes; then
  4027     SUMMARY="${SUMMARY}Using ibus          : YES\n"
  4028 else
  4029     SUMMARY="${SUMMARY}Using ibus          : NO\n"
  4030 fi
  4031 if test x$have_fcitx_frontend_h_hdr = xyes; then
  4032     SUMMARY="${SUMMARY}Using fcitx         : YES\n"
  4033 else
  4034     SUMMARY="${SUMMARY}Using fcitx         : NO\n"
  4035 fi
  4036 AC_CONFIG_COMMANDS([summary], [echo -en "$SUMMARY"], [SUMMARY="$SUMMARY"])
  4037 
  4038 AC_OUTPUT