configure.in
author Ryan C. Gordon <icculus@icculus.org>
Thu, 28 May 2015 00:30:21 -0400
changeset 9657 fbc01731d914
parent 9625 6d686d166a9e
child 9718 d5955671f259
permissions -rw-r--r--
X11: Add Xdbe support to message boxes (thanks, Melker!).

Without this, message boxes with a lot of text will noticibly flicker as
you mouse over buttons.

Fixes Bugzilla #2343.
     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="$CFLAGS"
     9 
    10 dnl Set various version strings - taken gratefully from the GTk sources
    11 #
    12 # Making releases:
    13 # Edit include/SDL_version.h and change the version, then:
    14 #   SDL_MICRO_VERSION += 1;
    15 #   SDL_INTERFACE_AGE += 1;
    16 #   SDL_BINARY_AGE += 1;
    17 # if any functions have been added, set SDL_INTERFACE_AGE to 0.
    18 # if backwards compatibility has been broken,
    19 # set SDL_BINARY_AGE and SDL_INTERFACE_AGE to 0.
    20 #
    21 SDL_MAJOR_VERSION=2
    22 SDL_MINOR_VERSION=0
    23 SDL_MICRO_VERSION=4
    24 SDL_INTERFACE_AGE=0
    25 SDL_BINARY_AGE=4
    26 SDL_VERSION=$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 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$ac_cv_func_strtod = xyes; then
   260         AC_DEFINE(HAVE_STRTOD, 1, [ ])
   261     fi
   262     AC_CHECK_FUNC(mprotect,
   263         AC_TRY_COMPILE([
   264           #include <sys/types.h>
   265           #include <sys/mman.h>
   266         ],[
   267         ],[
   268         AC_DEFINE(HAVE_MPROTECT, 1, [ ])
   269         ]),
   270     )
   271     AC_CHECK_FUNCS(malloc calloc realloc free getenv setenv putenv unsetenv qsort abs bcopy memset memcpy memmove strlen strlcpy strlcat strdup _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp vsscanf vsnprintf fseeko fseeko64 sigaction setjmp nanosleep sysconf sysctlbyname)
   272 
   273     AC_CHECK_LIB(m, pow, [LIBS="$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="$EXTRA_LDFLAGS -liconv"])
   277     AC_CHECK_FUNCS(iconv)
   278 
   279     AC_CHECK_MEMBER(struct sigaction.sa_sigaction,[AC_DEFINE(HAVE_SA_SIGACTION)], ,[#include <signal.h>])
   280 fi
   281 
   282 dnl AC_CHECK_SIZEOF(void*)
   283 
   284 dnl See whether we can use gcc atomic operations on this architecture
   285 AC_ARG_ENABLE(gcc-atomics,
   286 AC_HELP_STRING([--enable-gcc-atomics],
   287                [Use gcc builtin atomics [[default=yes]]]),
   288               , enable_gcc_atomics=yes)
   289 if test x$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=no]]]),
   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; 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=no]]]),
   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(altivec,
   633 AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]]]),
   634                   , enable_altivec=yes)
   635     if test x$enable_altivec = xyes; then
   636         save_CFLAGS="$CFLAGS"
   637         have_gcc_altivec=no
   638         have_altivec_h_hdr=no
   639         altivec_CFLAGS="-maltivec"
   640         CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   641 
   642         AC_MSG_CHECKING(for Altivec with GCC altivec.h and -maltivec option)
   643         AC_TRY_COMPILE([
   644         #include <altivec.h>
   645         vector unsigned int vzero() {
   646             return vec_splat_u32(0);
   647         }
   648         ],[
   649         ],[
   650         have_gcc_altivec=yes
   651         have_altivec_h_hdr=yes
   652         ])
   653         AC_MSG_RESULT($have_gcc_altivec)
   654 
   655         if test x$have_gcc_altivec = xno; then
   656             AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
   657             AC_TRY_COMPILE([
   658             vector unsigned int vzero() {
   659                 return vec_splat_u32(0);
   660             }
   661             ],[
   662             ],[
   663             have_gcc_altivec=yes
   664             ])
   665             AC_MSG_RESULT($have_gcc_altivec)
   666         fi
   667 
   668         if test x$have_gcc_altivec = xno; then
   669             AC_MSG_CHECKING(for Altivec with GCC altivec.h and -faltivec option)
   670             altivec_CFLAGS="-faltivec"
   671             CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   672             AC_TRY_COMPILE([
   673             #include <altivec.h>
   674             vector unsigned int vzero() {
   675                 return vec_splat_u32(0);
   676             }
   677             ],[
   678             ],[
   679             have_gcc_altivec=yes
   680             have_altivec_h_hdr=yes
   681             ])
   682             AC_MSG_RESULT($have_gcc_altivec)
   683         fi
   684 
   685         if test x$have_gcc_altivec = xno; then
   686             AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
   687             AC_TRY_COMPILE([
   688             vector unsigned int vzero() {
   689                 return vec_splat_u32(0);
   690             }
   691             ],[
   692             ],[
   693             have_gcc_altivec=yes
   694             ])
   695             AC_MSG_RESULT($have_gcc_altivec)
   696         fi
   697         CFLAGS="$save_CFLAGS"
   698 
   699         if test x$have_gcc_altivec = xyes; then
   700             AC_DEFINE(SDL_ALTIVEC_BLITTERS, 1, [ ])
   701             if test x$have_altivec_h_hdr = xyes; then
   702               AC_DEFINE(HAVE_ALTIVEC_H, 1, [ ])
   703             fi
   704             EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
   705             SUMMARY_math="${SUMMARY_math} altivec"
   706         fi
   707     fi
   708 fi
   709 
   710 dnl See if the OSS audio interface is supported
   711 CheckOSS()
   712 {
   713     AC_ARG_ENABLE(oss,
   714 AC_HELP_STRING([--enable-oss], [support the OSS audio API [[default=maybe]]]),
   715                   , enable_oss=maybe)
   716 
   717     # OpenBSD "has" OSS, but it's not really for app use. They want you to
   718     #  use sndio instead. So on there, we default to disabled. You can force
   719     #  it on if you really want, though.
   720     if test x$enable_oss = xmaybe; then
   721         enable_oss=yes
   722         case "$host" in
   723             *-*-openbsd*)
   724                 enable_oss=no;;
   725         esac
   726     fi
   727 
   728     if test x$enable_audio = xyes -a x$enable_oss = xyes; then
   729         AC_MSG_CHECKING(for OSS audio support)
   730         have_oss=no
   731         if test x$have_oss != xyes; then
   732             AC_TRY_COMPILE([
   733               #include <sys/soundcard.h>
   734             ],[
   735               int arg = SNDCTL_DSP_SETFRAGMENT;
   736             ],[
   737             have_oss=yes
   738             ])
   739         fi
   740         if test x$have_oss != xyes; then
   741             AC_TRY_COMPILE([
   742               #include <soundcard.h>
   743             ],[
   744               int arg = SNDCTL_DSP_SETFRAGMENT;
   745             ],[
   746             have_oss=yes
   747             AC_DEFINE(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H, 1, [ ])
   748             ])
   749         fi
   750         AC_MSG_RESULT($have_oss)
   751         if test x$have_oss = xyes; then
   752             SUMMARY_audio="${SUMMARY_audio} oss"
   753             AC_DEFINE(SDL_AUDIO_DRIVER_OSS, 1, [ ])
   754             SOURCES="$SOURCES $srcdir/src/audio/dsp/*.c"
   755             have_audio=yes
   756 
   757             # We may need to link with ossaudio emulation library
   758             case "$host" in
   759                 *-*-openbsd*|*-*-netbsd*)
   760                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lossaudio";;
   761             esac
   762         fi
   763     fi
   764 }
   765 
   766 dnl See if the ALSA audio interface is supported
   767 CheckALSA()
   768 {
   769     AC_ARG_ENABLE(alsa,
   770 AC_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),
   771                   , enable_alsa=yes)
   772     if test x$enable_audio = xyes -a x$enable_alsa = xyes; then
   773         AM_PATH_ALSA(0.9.0, have_alsa=yes, have_alsa=no)
   774         # Restore all flags from before the ALSA detection runs
   775         CFLAGS="$alsa_save_CFLAGS"
   776         LDFLAGS="$alsa_save_LDFLAGS"
   777         LIBS="$alsa_save_LIBS"
   778         if test x$have_alsa = xyes; then
   779             AC_ARG_ENABLE(alsa-shared,
   780 AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
   781                           , enable_alsa_shared=yes)
   782             alsa_lib=[`find_lib "libasound.so.*" "$ALSA_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   783 
   784             AC_DEFINE(SDL_AUDIO_DRIVER_ALSA, 1, [ ])
   785             SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c"
   786             EXTRA_CFLAGS="$EXTRA_CFLAGS $ALSA_CFLAGS"
   787             if test x$have_loadso != xyes && \
   788                test x$enable_alsa_shared = xyes; then
   789                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading])
   790             fi
   791             if test x$have_loadso = xyes && \
   792                test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then
   793                 echo "-- dynamic libasound -> $alsa_lib"
   794                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ALSA_DYNAMIC, "$alsa_lib", [ ])
   795                 SUMMARY_audio="${SUMMARY_audio} alsa(dynamic)"
   796             else
   797                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ALSA_LIBS"
   798                 SUMMARY_audio="${SUMMARY_audio} alsa"
   799             fi
   800             have_audio=yes
   801         fi
   802     fi
   803 }
   804 
   805 dnl Find the ESD includes and libraries
   806 CheckESD()
   807 {
   808     AC_ARG_ENABLE(esd,
   809 AC_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),
   810                   , enable_esd=yes)
   811     if test x$enable_audio = xyes -a x$enable_esd = xyes; then
   812         AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no)
   813         if test x$have_esd = xyes; then
   814             AC_ARG_ENABLE(esd-shared,
   815 AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
   816                           , enable_esd_shared=yes)
   817             esd_lib=[`find_lib "libesd.so.*" "$ESD_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   818 
   819             AC_DEFINE(SDL_AUDIO_DRIVER_ESD, 1, [ ])
   820             SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"
   821             EXTRA_CFLAGS="$EXTRA_CFLAGS $ESD_CFLAGS"
   822             if test x$have_loadso != xyes && \
   823                test x$enable_esd_shared = xyes; then
   824                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading])
   825             fi
   826             if test x$have_loadso = xyes && \
   827                test x$enable_esd_shared = xyes && test x$esd_lib != x; then
   828                 echo "-- dynamic libesd -> $esd_lib"
   829                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib", [ ])
   830                 SUMMARY_audio="${SUMMARY_audio} esd(dynamic)"
   831             else
   832                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ESD_LIBS"
   833                 SUMMARY_audio="${SUMMARY_audio} esd"
   834             fi
   835             have_audio=yes
   836         fi
   837     fi
   838 }
   839 
   840 dnl Find PulseAudio
   841 CheckPulseAudio()
   842 {
   843     AC_ARG_ENABLE(pulseaudio,
   844 AC_HELP_STRING([--enable-pulseaudio], [use PulseAudio [[default=yes]]]),
   845                   , enable_pulseaudio=yes)
   846     if test x$enable_audio = xyes -a x$enable_pulseaudio = xyes; then
   847         audio_pulseaudio=no
   848 
   849         PULSEAUDIO_REQUIRED_VERSION=0.9
   850 
   851         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
   852         AC_MSG_CHECKING(for PulseAudio $PULSEAUDIO_REQUIRED_VERSION support)
   853         if test x$PKG_CONFIG != xno; then
   854         if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $PULSEAUDIO_REQUIRED_VERSION libpulse-simple; then
   855                 PULSEAUDIO_CFLAGS=`$PKG_CONFIG --cflags libpulse-simple`
   856                 PULSEAUDIO_LIBS=`$PKG_CONFIG --libs libpulse-simple`
   857                 audio_pulseaudio=yes
   858             fi
   859         fi
   860         AC_MSG_RESULT($audio_pulseaudio)
   861 
   862         if test x$audio_pulseaudio = xyes; then
   863             AC_ARG_ENABLE(pulseaudio-shared,
   864 AC_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [[default=yes]]]),
   865                           , enable_pulseaudio_shared=yes)
   866             pulseaudio_lib=[`find_lib "libpulse-simple.so.*" "$PULSEAUDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   867 
   868             AC_DEFINE(SDL_AUDIO_DRIVER_PULSEAUDIO, 1, [ ])
   869             SOURCES="$SOURCES $srcdir/src/audio/pulseaudio/*.c"
   870             EXTRA_CFLAGS="$EXTRA_CFLAGS $PULSEAUDIO_CFLAGS"
   871             if test x$have_loadso != xyes && \
   872                test x$enable_pulseaudio_shared = xyes; then
   873                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic PulseAudio loading])
   874             fi
   875             if test x$have_loadso = xyes && \
   876                test x$enable_pulseaudio_shared = xyes && test x$pulseaudio_lib != x; then
   877                 echo "-- dynamic libpulse-simple -> $pulseaudio_lib"
   878                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC, "$pulseaudio_lib", [ ])
   879                 SUMMARY_audio="${SUMMARY_audio} pulse(dynamic)"
   880 
   881                 case "$host" in
   882                     # On Solaris, pulseaudio must be linked deferred explicitly
   883                     # to prevent undefined symbol failures.
   884                     *-*-solaris*)
   885                         PULSEAUDIO_LIBS=`echo $PULSEAUDIO_LIBS | sed 's/\-l/-Wl,-l/g'`
   886                         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-zdeferred $PULSEAUDIO_LIBS -Wl,-znodeferred"
   887                 esac
   888             else
   889                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $PULSEAUDIO_LIBS"
   890                 SUMMARY_audio="${SUMMARY_audio} pulse"
   891             fi
   892             have_audio=yes
   893         fi
   894     fi
   895 }
   896 
   897 CheckARTSC()
   898 {
   899     AC_ARG_ENABLE(arts,
   900 AC_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),
   901                   , enable_arts=yes)
   902     if test x$enable_audio = xyes -a x$enable_arts = xyes; then
   903         AC_PATH_PROG(ARTSCONFIG, artsc-config)
   904         if test x$ARTSCONFIG = x -o x$ARTSCONFIG = x'"$ARTSCONFIG"'; then
   905             : # arts isn't installed
   906         else
   907             ARTS_CFLAGS=`$ARTSCONFIG --cflags`
   908             ARTS_LIBS=`$ARTSCONFIG --libs`
   909             AC_MSG_CHECKING(for aRts development environment)
   910             audio_arts=no
   911             save_CFLAGS="$CFLAGS"
   912             CFLAGS="$CFLAGS $ARTS_CFLAGS"
   913             AC_TRY_COMPILE([
   914              #include <artsc.h>
   915             ],[
   916              arts_stream_t stream;
   917             ],[
   918             audio_arts=yes
   919             ])
   920             CFLAGS="$save_CFLAGS"
   921             AC_MSG_RESULT($audio_arts)
   922             if test x$audio_arts = xyes; then
   923                 AC_ARG_ENABLE(arts-shared,
   924 AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
   925                               , enable_arts_shared=yes)
   926                 arts_lib=[`find_lib "libartsc.so.*" "$ARTS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   927 
   928                 AC_DEFINE(SDL_AUDIO_DRIVER_ARTS, 1, [ ])
   929                 SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"
   930                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ARTS_CFLAGS"
   931                 if test x$have_loadso != xyes && \
   932                    test x$enable_arts_shared = xyes; then
   933                     AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading])
   934                 fi
   935                 if test x$have_loadso = xyes && \
   936                    test x$enable_arts_shared = xyes && test x$arts_lib != x; then
   937                     echo "-- dynamic libartsc -> $arts_lib"
   938                     AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib", [ ])
   939                     SUMMARY_audio="${SUMMARY_audio} arts(dynamic)"
   940                 else
   941                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARTS_LIBS"
   942                     SUMMARY_audio="${SUMMARY_audio} arts"
   943                 fi
   944                 have_audio=yes
   945             fi
   946         fi
   947     fi
   948 }
   949 
   950 dnl See if the NAS audio interface is supported
   951 CheckNAS()
   952 {
   953     AC_ARG_ENABLE(nas,
   954 AC_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),
   955                   , enable_nas=yes)
   956     if test x$enable_audio = xyes -a x$enable_nas = xyes; then
   957         AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes)
   958         AC_CHECK_LIB(audio, AuOpenServer, have_nas_lib=yes)
   959 
   960         AC_MSG_CHECKING(for NAS audio support)
   961         have_nas=no
   962 
   963         if test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then
   964             have_nas=yes
   965             NAS_LIBS="-laudio"
   966 
   967         elif test -r /usr/X11R6/include/audio/audiolib.h; then
   968             have_nas=yes
   969             NAS_CFLAGS="-I/usr/X11R6/include/"
   970             NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"
   971 
   972         fi
   973 
   974         AC_MSG_RESULT($have_nas)
   975 
   976         if test x$have_nas = xyes; then
   977             AC_ARG_ENABLE(nas-shared,
   978 AC_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [[default=yes]]]),
   979                           , enable_nas_shared=yes)
   980             nas_lib=[`find_lib "libaudio.so.*" "$NAS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   981 
   982             if test x$have_loadso != xyes && \
   983                test x$enable_nas_shared = xyes; then
   984                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic NAS loading])
   985             fi
   986             if test x$have_loadso = xyes && \
   987                test x$enable_nas_shared = xyes && test x$nas_lib != x; then
   988                 echo "-- dynamic libaudio -> $nas_lib"
   989                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_NAS_DYNAMIC, "$nas_lib", [ ])
   990                 SUMMARY_audio="${SUMMARY_audio} nas(dynamic)"
   991             else
   992                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS"
   993                 SUMMARY_audio="${SUMMARY_audio} nas"
   994             fi
   995 
   996             AC_DEFINE(SDL_AUDIO_DRIVER_NAS, 1, [ ])
   997             SOURCES="$SOURCES $srcdir/src/audio/nas/*.c"
   998             EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS"
   999             have_audio=yes
  1000         fi
  1001     fi
  1002 }
  1003 
  1004 dnl See if the sndio audio interface is supported
  1005 CheckSNDIO()
  1006 {
  1007     AC_ARG_ENABLE(sndio,
  1008 AC_HELP_STRING([--enable-sndio], [support the sndio audio API [[default=yes]]]),
  1009                   , enable_sndio=yes)
  1010     if test x$enable_audio = xyes -a x$enable_sndio = xyes; then
  1011         AC_CHECK_HEADER(sndio.h, have_sndio_hdr=yes)
  1012         AC_CHECK_LIB(sndio, sio_open, have_sndio_lib=yes)
  1013 
  1014         AC_MSG_CHECKING(for sndio audio support)
  1015         have_sndio=no
  1016 
  1017         if test x$have_sndio_hdr = xyes -a x$have_sndio_lib = xyes; then
  1018             have_sndio=yes
  1019             SNDIO_LIBS="-lsndio"
  1020         fi
  1021 
  1022         AC_MSG_RESULT($have_sndio)
  1023 
  1024         if test x$have_sndio = xyes; then
  1025             AC_ARG_ENABLE(sndio-shared,
  1026 AC_HELP_STRING([--enable-sndio-shared], [dynamically load sndio audio support [[default=yes]]]),
  1027                           , enable_sndio_shared=yes)
  1028             sndio_lib=[`find_lib "libsndio.so.*" "$SNDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1029 
  1030             if test x$have_loadso != xyes && \
  1031                test x$enable_sndio_shared = xyes; then
  1032                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic sndio loading])
  1033             fi
  1034             if test x$have_loadso = xyes && \
  1035                test x$enable_sndio_shared = xyes && test x$sndio_lib != x; then
  1036                 echo "-- dynamic libsndio -> $sndio_lib"
  1037                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_SNDIO_DYNAMIC, "$sndio_lib", [ ])
  1038                 SUMMARY_audio="${SUMMARY_audio} sndio(dynamic)"
  1039             else
  1040                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $SNDIO_LIBS"
  1041                 SUMMARY_audio="${SUMMARY_audio} sndio"
  1042             fi
  1043 
  1044             AC_DEFINE(SDL_AUDIO_DRIVER_SNDIO, 1, [ ])
  1045             SOURCES="$SOURCES $srcdir/src/audio/sndio/*.c"
  1046             EXTRA_CFLAGS="$EXTRA_CFLAGS $SNDIO_CFLAGS"
  1047             have_audio=yes
  1048         fi
  1049     fi
  1050 }
  1051 
  1052 dnl rcg07142001 See if the user wants the disk writer audio driver...
  1053 CheckDiskAudio()
  1054 {
  1055     AC_ARG_ENABLE(diskaudio,
  1056 AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
  1057                   , enable_diskaudio=yes)
  1058     if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then
  1059         AC_DEFINE(SDL_AUDIO_DRIVER_DISK, 1, [ ])
  1060         SOURCES="$SOURCES $srcdir/src/audio/disk/*.c"
  1061         SUMMARY_audio="${SUMMARY_audio} disk"
  1062     fi
  1063 }
  1064 
  1065 dnl rcg03142006 See if the user wants the dummy audio driver...
  1066 CheckDummyAudio()
  1067 {
  1068     AC_ARG_ENABLE(dummyaudio,
  1069 AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
  1070                   , enable_dummyaudio=yes)
  1071     if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then
  1072         AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY, 1, [ ])
  1073         SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c"
  1074         SUMMARY_audio="${SUMMARY_audio} dummy"
  1075     fi
  1076 }
  1077 
  1078 dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).
  1079 dnl  Details of this flag are here: http://gcc.gnu.org/wiki/Visibility
  1080 CheckVisibilityHidden()
  1081 {
  1082     AC_MSG_CHECKING(for GCC -fvisibility=hidden option)
  1083     have_gcc_fvisibility=no
  1084 
  1085     visibility_CFLAGS="-fvisibility=hidden"
  1086     save_CFLAGS="$CFLAGS"
  1087     CFLAGS="$save_CFLAGS $visibility_CFLAGS -Werror"
  1088     AC_TRY_COMPILE([
  1089     #if !defined(__GNUC__) || __GNUC__ < 4
  1090     #error SDL only uses visibility attributes in GCC 4 or newer
  1091     #endif
  1092     ],[
  1093     ],[
  1094     have_gcc_fvisibility=yes
  1095     ])
  1096     AC_MSG_RESULT($have_gcc_fvisibility)
  1097     CFLAGS="$save_CFLAGS"
  1098 
  1099     if test x$have_gcc_fvisibility = xyes; then
  1100         EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"
  1101     fi
  1102 }
  1103 
  1104 dnl See if GCC's -mpreferred-stack-boundary is supported.
  1105 dnl  Reference: http://bugzilla.libsdl.org/show_bug.cgi?id=1296
  1106 CheckStackBoundary()
  1107 {
  1108     AC_MSG_CHECKING(for GCC -mpreferred-stack-boundary option)
  1109     have_gcc_preferred_stack_boundary=no
  1110 
  1111     save_CFLAGS="$CFLAGS"
  1112     CFLAGS="$save_CFLAGS -mpreferred-stack-boundary=2"
  1113     AC_TRY_COMPILE([
  1114     int x = 0;
  1115     ],[
  1116     ],[
  1117     have_gcc_preferred_stack_boundary=yes
  1118     ])
  1119     AC_MSG_RESULT($have_gcc_preferred_stack_boundary)
  1120     CFLAGS="$save_CFLAGS"
  1121 
  1122     if test x$have_gcc_preferred_stack_boundary = xyes; then
  1123         EXTRA_CFLAGS="$EXTRA_CFLAGS -mpreferred-stack-boundary=2"
  1124     fi
  1125 }
  1126 
  1127 dnl See if GCC's -Wall is supported.
  1128 CheckWarnAll()
  1129 {
  1130     AC_MSG_CHECKING(for GCC -Wall option)
  1131     have_gcc_Wall=no
  1132 
  1133     save_CFLAGS="$CFLAGS"
  1134     CFLAGS="$save_CFLAGS -Wall"
  1135     AC_TRY_COMPILE([
  1136     int x = 0;
  1137     ],[
  1138     ],[
  1139     have_gcc_Wall=yes
  1140     ])
  1141     AC_MSG_RESULT($have_gcc_Wall)
  1142     CFLAGS="$save_CFLAGS"
  1143 
  1144     if test x$have_gcc_Wall = xyes; then
  1145         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
  1146 
  1147         dnl Haiku headers use multicharacter constants all over the place. Ignore these warnings when using -Wall.
  1148         AC_MSG_CHECKING(for necessary GCC -Wno-multichar option)
  1149         need_gcc_Wno_multichar=no
  1150         case "$host" in
  1151             *-*-haiku*)
  1152                 need_gcc_Wno_multichar=yes
  1153                 ;;
  1154         esac
  1155         AC_MSG_RESULT($need_gcc_Wno_multichar)
  1156         if test x$need_gcc_Wno_multichar = xyes; then
  1157             EXTRA_CFLAGS="$EXTRA_CFLAGS -Wno-multichar"
  1158         fi
  1159     fi
  1160 }
  1161 
  1162 dnl See if GCC's -Wshadow is supported.
  1163 CheckWarnShadow()
  1164 {
  1165     AC_MSG_CHECKING(for GCC -Wshadow option)
  1166     have_gcc_Wshadow=no
  1167 
  1168     save_CFLAGS="$CFLAGS"
  1169     CFLAGS="$save_CFLAGS -Wshadow"
  1170     AC_TRY_COMPILE([
  1171     int x = 0;
  1172     ],[
  1173     ],[
  1174     have_gcc_Wshadow=yes
  1175     ])
  1176     AC_MSG_RESULT($have_gcc_Wshadow)
  1177     CFLAGS="$save_CFLAGS"
  1178 
  1179     if test x$have_gcc_Wshadow = xyes; then
  1180         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wshadow"
  1181     fi
  1182 }
  1183 
  1184 dnl Check for Wayland
  1185 CheckWayland()
  1186 {
  1187     AC_ARG_ENABLE(video-wayland,
  1188 AC_HELP_STRING([--enable-video-wayland], [use Wayland video driver [[default=yes]]]),
  1189                   ,enable_video_wayland=yes)
  1190 
  1191     AC_ARG_ENABLE(video-wayland-qt-touch,
  1192 AC_HELP_STRING([--enable-video-wayland-qt-touch], [QtWayland server support for Wayland video driver [[default=yes]]]),
  1193                   ,enable_video_wayland_qt_touch=yes)
  1194 
  1195     if test x$enable_video = xyes -a x$enable_video_wayland = xyes; then
  1196         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1197         AC_MSG_CHECKING(for Wayland support)
  1198         video_wayland=no
  1199         if  test x$PKG_CONFIG != xno && \
  1200             test x$video_opengl_egl = xyes && \
  1201             test x$video_opengles_v2 = xyes; then
  1202             if $PKG_CONFIG --exists wayland-client wayland-egl wayland-cursor egl xkbcommon ; then
  1203                 WAYLAND_CFLAGS=`$PKG_CONFIG --cflags wayland-client wayland-egl wayland-cursor xkbcommon`
  1204                 WAYLAND_LIBS=`$PKG_CONFIG --libs wayland-client wayland-egl wayland-cursor xkbcommon`
  1205                 video_wayland=yes
  1206             fi
  1207         fi
  1208         AC_MSG_RESULT($video_wayland)
  1209 
  1210         if test x$video_wayland = xyes; then
  1211             AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND, 1, [ ])
  1212             if test x$enable_video_wayland_qt_touch = xyes; then
  1213                 AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH, 1, [ ])
  1214             fi
  1215             SOURCES="$SOURCES $srcdir/src/video/wayland/*.c"
  1216             EXTRA_CFLAGS="$EXTRA_CFLAGS $WAYLAND_CFLAGS"
  1217             AC_ARG_ENABLE(wayland-shared,
  1218 AC_HELP_STRING([--enable-wayland-shared], [dynamically load Wayland support [[default=maybe]]]),
  1219                           , enable_wayland_shared=maybe)
  1220 
  1221             dnl FIXME: Do BSD and OS X need special cases?
  1222             case "$host" in
  1223                 *)
  1224                     wayland_client_lib=[`find_lib "libwayland-client.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1225                     wayland_egl_lib=[`find_lib "libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1226                     if test x$wayland_egl_lib = x; then
  1227                         dnl This works in Ubuntu 13.10, maybe others
  1228                         wayland_egl_lib=[`find_lib "mesa-egl/libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1229                     fi
  1230                     wayland_cursor_lib=[`find_lib "libwayland-cursor.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1231                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1232                     ;;
  1233             esac
  1234 
  1235             if test x$enable_wayland_shared = xmaybe; then
  1236                 enable_wayland_shared=yes
  1237             fi
  1238             if test x$have_loadso != xyes && \
  1239                test x$enable_wayland_shared = xyes; then
  1240                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Wayland loading])
  1241                 enable_wayland_shared=no
  1242             fi
  1243             if test x$have_loadso = xyes && \
  1244                test x$enable_wayland_shared = xyes && \
  1245                test x$wayland_client_lib != x && \
  1246                test x$wayland_egl_lib != x && \
  1247                test x$wayland_cursor_lib != x && \
  1248                test x$xkbcommon_lib != x; then
  1249                 echo "-- dynamic libwayland-client -> $wayland_client_lib"
  1250                 echo "-- dynamic libwayland-egl -> $wayland_egl_lib"
  1251                 echo "-- dynamic libwayland-cursor -> $wayland_cursor_lib"
  1252                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1253                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC, "$wayland_client_lib", [ ])
  1254                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_EGL, "$wayland_egl_lib", [ ])
  1255                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_CURSOR, "$wayland_cursor_lib", [ ])
  1256                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1257                 SUMMARY_video="${SUMMARY_video} wayland(dynamic)"
  1258             else
  1259                 enable_wayland_shared=no
  1260                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $WAYLAND_LIBS"
  1261                 SUMMARY_video="${SUMMARY_video} wayland"
  1262             fi
  1263             have_video=yes
  1264         fi
  1265     fi
  1266 }
  1267 
  1268 dnl Check for Mir
  1269 CheckMir()
  1270 {
  1271     AC_ARG_ENABLE(video-mir,
  1272 AC_HELP_STRING([--enable-video-mir], [use Mir video driver [[default=yes]]]),
  1273                   ,enable_video_mir=yes)
  1274 
  1275     if test x$enable_video = xyes -a x$enable_video_mir = xyes; then
  1276         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1277         AC_MSG_CHECKING(for Mir support)
  1278         video_mir=no
  1279         if test x$PKG_CONFIG != xno; then
  1280             if $PKG_CONFIG --exists mirclient egl xkbcommon ; then
  1281                 MIR_CFLAGS=`$PKG_CONFIG --cflags mirclient egl xkbcommon`
  1282                 MIR_LIBS=`$PKG_CONFIG --libs mirclient egl xkbcommon`
  1283                 save_CFLAGS="$CFLAGS"
  1284                 CFLAGS="$save_CFLAGS $MIR_CFLAGS"
  1285                 
  1286                 dnl This will disable Mir on Ubuntu < 14.04
  1287                 AC_TRY_COMPILE([
  1288                 #include <mir_toolkit/mir_client_library.h>
  1289                 ],[
  1290                     MirMotionToolType tool = mir_motion_tool_type_mouse;
  1291                 ],[
  1292                 video_mir=yes
  1293                 ])
  1294                 CFLAGS="$save_CFLAGS"
  1295             fi
  1296         fi
  1297         AC_MSG_RESULT($video_mir)
  1298 
  1299         if test x$video_mir = xyes; then
  1300             AC_DEFINE(SDL_VIDEO_DRIVER_MIR, 1, [ ])
  1301             SOURCES="$SOURCES $srcdir/src/video/mir/*.c"
  1302             EXTRA_CFLAGS="$EXTRA_CFLAGS $MIR_CFLAGS"
  1303             AC_ARG_ENABLE(mir-shared,
  1304 AC_HELP_STRING([--enable-mir-shared], [dynamically load Mir support [[default=maybe]]]),
  1305                           , enable_mir_shared=maybe)
  1306 
  1307             dnl FIXME: Do BSD and OS X need special cases?
  1308             case "$host" in
  1309                 *)
  1310                     mirclient_lib=[`find_lib "libmirclient.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1311                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1312                     ;;
  1313             esac
  1314 
  1315             if test x$enable_mir_shared = xmaybe; then
  1316                 enable_mir_shared=yes
  1317             fi
  1318             if test x$have_loadso != xyes && \
  1319                test x$enable_mir_shared = xyes; then
  1320                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Mir loading])
  1321                 enable_mir_shared=no
  1322             fi
  1323             if test x$have_loadso = xyes && \
  1324                test x$enable_mir_shared = xyes && \
  1325                test x$mirclient_lib != x && \
  1326                test x$xkbcommon_lib != x; then
  1327                 echo "-- dynamic libmirclient -> $mirclient_lib"
  1328                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1329                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC, "$mirclient_lib", [ ])
  1330                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1331                 SUMMARY_video="${SUMMARY_video} mir(dynamic)"
  1332             else
  1333                 enable_mir_shared=no
  1334                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MIR_LIBS"
  1335                 SUMMARY_video="${SUMMARY_video} mir"
  1336             fi
  1337             have_video=yes
  1338         fi
  1339     fi
  1340 }
  1341 
  1342 dnl Check for Native Client stuff
  1343 CheckNativeClient()
  1344 {
  1345         AC_TRY_COMPILE([
  1346           #if !defined(__native_client__)
  1347           #error "NO NACL"
  1348           #endif
  1349         ],[
  1350         ],[
  1351         AC_DEFINE(SDL_VIDEO_DRIVER_NACL)
  1352         AC_DEFINE(SDL_AUDIO_DRIVER_NACL)
  1353         AC_DEFINE(HAVE_POW, 1, [ ])
  1354         AC_DEFINE(HAVE_OPENGLES2, 1, [ ])
  1355         AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  1356         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  1357 
  1358         SDL_LIBS="-lppapi_simple -lppapi_gles2 $SDL_LIBS"
  1359 
  1360         SDLMAIN_SOURCES="$srcdir/src/main/nacl/*.c"
  1361         SOURCES="$SOURCES $srcdir/src/audio/nacl/*.c"
  1362         SUMMARY_audio="${SUMMARY_audio} nacl"
  1363         SOURCES="$SOURCES $srcdir/src/video/nacl/*.c"
  1364         SUMMARY_video="${SUMMARY_video} nacl opengles2"
  1365         ])
  1366 }
  1367 
  1368 
  1369 dnl Find the X11 include and library directories
  1370 CheckX11()
  1371 {
  1372 
  1373 
  1374     AC_ARG_ENABLE(video-x11,
  1375 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
  1376                   , enable_video_x11=yes)
  1377     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
  1378         case "$host" in
  1379             *-*-darwin*)
  1380                 # This isn't necessary for X11, but fixes GLX detection
  1381                 if test "x$x_includes" = xNONE && \
  1382                    test "x$x_libraries" = xNONE && \
  1383                    test -d /usr/X11R6/include && \
  1384                    test -d /usr/X11R6/lib; then
  1385                     x_includes="/usr/X11R6/include"
  1386                     x_libraries="/usr/X11R6/lib"
  1387                 fi
  1388                 ;;
  1389         esac
  1390         AC_PATH_X
  1391         AC_PATH_XTRA
  1392         if test x$have_x = xyes; then
  1393             AC_ARG_ENABLE(x11-shared,
  1394 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
  1395                           , enable_x11_shared=maybe)
  1396 
  1397             case "$host" in
  1398                 *-*-darwin*)
  1399                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
  1400                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
  1401                     xcursor_lib='/usr/X11R6/lib/libXcursor.1.dylib'
  1402                     xinerama_lib='/usr/X11R6/lib/libXinerama.1.dylib'
  1403                     xinput_lib='/usr/X11R6/lib/libXi.6.dylib'
  1404                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
  1405                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
  1406                     xss_lib='/usr/X11R6/lib/libXss.1.dylib'
  1407                     xvidmode_lib='/usr/X11R6/lib/libXxf86vm.1.dylib'
  1408                     ;;
  1409                 *-*-openbsd*)
  1410                     x11_lib='libX11.so'
  1411                     x11ext_lib='libXext.so'
  1412                     xcursor_lib='libXcursor.so'
  1413                     xinerama_lib='libXinerama.so'
  1414                     xinput_lib='libXi.so'
  1415                     xrandr_lib='libXrandr.so'
  1416                     xrender_lib='libXrender.so'
  1417                     xss_lib='libXss.so'
  1418                     xvidmode_lib='libXxf86vm.so'
  1419                     ;;
  1420                 *)
  1421                     x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1422                     x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1423                     xcursor_lib=[`find_lib "libXcursor.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1424                     xinerama_lib=[`find_lib "libXinerama.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1425                     xinput_lib=[`find_lib "libXi.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1426                     xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1427                     xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1428                     xss_lib=[`find_lib "libXss.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1429                     xvidmode_lib=[`find_lib "libXxf86vm.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1430                     ;;
  1431             esac
  1432 
  1433             if test x$ac_cv_func_shmat != xyes; then
  1434                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
  1435             fi
  1436             CFLAGS="$CFLAGS $X_CFLAGS"
  1437             LDFLAGS="$LDFLAGS $X_LIBS"
  1438 
  1439             AC_CHECK_HEADER(X11/extensions/Xext.h,
  1440                             have_xext_h_hdr=yes,
  1441                             have_xext_h_hdr=no,
  1442                             [#include <X11/Xlib.h>
  1443                              #include <X11/Xproto.h>
  1444                             ])
  1445             if test x$have_xext_h_hdr != xyes; then
  1446                AC_MSG_ERROR([
  1447 *** Missing Xext.h, maybe you need to install the libxext-dev package?
  1448                ])
  1449             fi
  1450 
  1451             AC_DEFINE(SDL_VIDEO_DRIVER_X11, 1, [ ])
  1452             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
  1453             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
  1454 
  1455             # Needed so SDL applications can include SDL_syswm.h
  1456             SDL_CFLAGS="$SDL_CFLAGS $X_CFLAGS"
  1457 
  1458             if test x$enable_x11_shared = xmaybe; then
  1459                 enable_x11_shared=yes
  1460             fi
  1461             if test x$have_loadso != xyes && \
  1462                test x$enable_x11_shared = xyes; then
  1463                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
  1464                 enable_x11_shared=no
  1465             fi
  1466             if test x$have_loadso = xyes && \
  1467                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
  1468                 echo "-- dynamic libX11 -> $x11_lib"
  1469                 echo "-- dynamic libX11ext -> $x11ext_lib"
  1470                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib", [ ])
  1471                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib", [ ])
  1472                 SUMMARY_video="${SUMMARY_video} x11(dynamic)"
  1473             else
  1474                 enable_x11_shared=no
  1475                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
  1476                 SUMMARY_video="${SUMMARY_video} x11"
  1477             fi
  1478             have_video=yes
  1479 
  1480             AC_MSG_CHECKING(for const parameter to XextAddDisplay)
  1481             have_const_param_XextAddDisplay=no
  1482             AC_TRY_COMPILE([
  1483               #include <X11/Xlib.h>
  1484               #include <X11/Xproto.h>
  1485               #include <X11/extensions/Xext.h>
  1486               #include <X11/extensions/extutil.h>
  1487               extern XExtDisplayInfo* XextAddDisplay(XExtensionInfo* a,Display* b,_Xconst char* c,XExtensionHooks* d,int e,XPointer f);
  1488             ],[
  1489             ],[
  1490             have_const_param_XextAddDisplay=yes
  1491             AC_DEFINE(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY)
  1492             ])
  1493             AC_MSG_RESULT($have_const_param_XextAddDisplay)
  1494 
  1495             AC_MSG_CHECKING(for const parameter to _XData32)
  1496 	    have_const_param_xdata32=no
  1497 	    AC_TRY_COMPILE([
  1498 	      #include <X11/Xlibint.h>
  1499 	      extern int _XData32(Display *dpy,register _Xconst long *data,unsigned len);
  1500 	    ],[
  1501 	    ],[
  1502 	    have_const_param_xdata32=yes
  1503 	    AC_DEFINE(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XDATA32)
  1504 	    ])
  1505 	    AC_MSG_RESULT($have_const_param_xdata32)
  1506 
  1507             dnl AC_CHECK_LIB(X11, XGetEventData, AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS, 1, [Have XGenericEvent]))
  1508             AC_MSG_CHECKING([for XGenericEvent])
  1509             have_XGenericEvent=no
  1510             AC_TRY_COMPILE([
  1511               	#include <X11/Xlib.h>
  1512             ],[
  1513 Display *display;
  1514 XEvent event;
  1515 XGenericEventCookie *cookie = &event.xcookie;
  1516 XNextEvent(display, &event);
  1517 XGetEventData(display, cookie);
  1518 XFreeEventData(display, cookie);
  1519             ],[
  1520                 have_XGenericEvent=yes
  1521                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS)
  1522             ])
  1523             AC_MSG_RESULT($have_XGenericEvent)
  1524 
  1525             AC_CHECK_LIB(X11, XkbKeycodeToKeysym, AC_DEFINE(SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM, 1, [Have XkbKeycodeToKeysym]))
  1526 
  1527             AC_ARG_ENABLE(video-x11-xcursor,
  1528 AC_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [[default=yes]]]),
  1529                             , enable_video_x11_xcursor=yes)
  1530             if test x$enable_video_x11_xcursor = xyes; then
  1531                 definitely_enable_video_x11_xcursor=no
  1532                 AC_CHECK_HEADER(X11/Xcursor/Xcursor.h,
  1533                                 have_xcursor_h_hdr=yes,
  1534                                 have_xcursor_h_hdr=no,
  1535                                 [#include <X11/Xlib.h>
  1536                                 ])
  1537                 if test x$have_xcursor_h_hdr = xyes; then
  1538                     if test x$enable_x11_shared = xyes && test x$xcursor_lib != x ; then
  1539                         echo "-- dynamic libXcursor -> $xcursor_lib"
  1540                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR, "$xcursor_lib", [ ])
  1541                         definitely_enable_video_x11_xcursor=yes
  1542                     else
  1543                         AC_CHECK_LIB(Xcursor, XcursorImageCreate, have_xcursor_lib=yes)
  1544                         if test x$have_xcursor_lib = xyes ; then
  1545                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXcursor"
  1546                             definitely_enable_video_x11_xcursor=yes
  1547                         fi
  1548                     fi
  1549                 fi
  1550             fi
  1551             if test x$definitely_enable_video_x11_xcursor = xyes; then
  1552                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XCURSOR, 1, [ ])
  1553                 SUMMARY_video_x11="${SUMMARY_video_x11} xcursor"
  1554             fi
  1555             AC_ARG_ENABLE(video-x11-xdbe,
  1556 AC_HELP_STRING([--enable-video-x11-xdbe], [enable X11 Xdbe support [[default=yes]]]),
  1557                             , enable_video_x11_xdbe=yes)
  1558             if test x$enable_video_x11_xdbe = xyes; then
  1559                 AC_CHECK_HEADER(X11/extensions/Xdbe.h,
  1560                                 have_dbe_h_hdr=yes,
  1561                                 have_dbe_h_hdr=no,
  1562                                 [#include <X11/Xlib.h>
  1563                                 ])
  1564                 if test x$have_dbe_h_hdr = xyes; then
  1565                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XDBE, 1, [ ])
  1566                     SUMMARY_video_x11="${SUMMARY_video_x11} xdbe"
  1567                 fi
  1568             fi
  1569             AC_ARG_ENABLE(video-x11-xinerama,
  1570 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
  1571                             , enable_video_x11_xinerama=yes)
  1572             if test x$enable_video_x11_xinerama = xyes; then
  1573                 definitely_enable_video_x11_xinerama=no
  1574                 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
  1575                                 have_xinerama_h_hdr=yes,
  1576                                 have_xinerama_h_hdr=no,
  1577                                 [#include <X11/Xlib.h>
  1578                                 ])
  1579                 if test x$have_xinerama_h_hdr = xyes; then
  1580                     if test x$enable_x11_shared = xyes && test x$xinerama_lib != x ; then
  1581                         echo "-- dynamic libXinerama -> $xinerama_lib"
  1582                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA, "$xinerama_lib", [ ])
  1583                         definitely_enable_video_x11_xinerama=yes
  1584                     else
  1585                         AC_CHECK_LIB(Xinerama, XineramaQueryExtension, have_xinerama_lib=yes)
  1586                         if test x$have_xinerama_lib = xyes ; then
  1587                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXinerama"
  1588                             definitely_enable_video_x11_xinerama=yes
  1589                         fi
  1590                     fi
  1591                 fi
  1592             fi
  1593             if test x$definitely_enable_video_x11_xinerama = xyes; then
  1594                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA, 1, [ ])
  1595                 SUMMARY_video_x11="${SUMMARY_video_x11} xinerama"
  1596             fi
  1597             AC_ARG_ENABLE(video-x11-xinput,
  1598 AC_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [[default=yes]]]),
  1599                             , enable_video_x11_xinput=yes)
  1600             if test x$enable_video_x11_xinput = xyes; then
  1601                 definitely_enable_video_x11_xinput=no
  1602                 AC_CHECK_HEADER(X11/extensions/XInput2.h,
  1603                                 have_xinput_h_hdr=yes,
  1604                                 have_xinput_h_hdr=no,
  1605                                 [#include <X11/Xlib.h>
  1606                                 ])
  1607                 if test x$have_xinput_h_hdr = xyes; then
  1608                     if test x$enable_x11_shared = xyes && test x$xinput_lib != x ; then
  1609                         echo "-- dynamic libXi -> $xinput_lib"
  1610                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2, "$xinput_lib", [ ])
  1611                         definitely_enable_video_x11_xinput=yes
  1612                     else
  1613                         AC_CHECK_LIB(Xi, XOpenDevice, have_xinput_lib=yes)
  1614                         if test x$have_xinput_lib = xyes ; then
  1615                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXi"
  1616                             definitely_enable_video_x11_xinput=yes
  1617                         fi
  1618                     fi
  1619                 fi
  1620             fi
  1621             if test x$definitely_enable_video_x11_xinput = xyes; then
  1622                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2"
  1623                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2, 1, [ ])
  1624                 AC_MSG_CHECKING(for xinput2 multitouch)
  1625             	have_xinput2_multitouch=no
  1626             	AC_TRY_COMPILE([
  1627               		#include <X11/Xlib.h>
  1628              		#include <X11/Xproto.h>
  1629 			#include <X11/extensions/XInput2.h>
  1630             	],[
  1631 int event_type = XI_TouchBegin;
  1632 XITouchClassInfo *t;
  1633             	],[
  1634             	have_xinput2_multitouch=yes
  1635             	AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH)
  1636                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2_multitouch"
  1637             	])
  1638             	AC_MSG_RESULT($have_xinput2_multitouch)
  1639             fi
  1640             AC_ARG_ENABLE(video-x11-xrandr,
  1641 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
  1642                             , enable_video_x11_xrandr=yes)
  1643             if test x$enable_video_x11_xrandr = xyes; then
  1644                 dnl XRRScreenResources is only present in Xrandr >= 1.2, we use that as a test.
  1645                 definitely_enable_video_x11_xrandr=no
  1646                 have_xrandr_h_hdr=no
  1647                 AC_TRY_COMPILE([
  1648                 #include <X11/Xlib.h>
  1649                 #include <X11/extensions/Xrandr.h>
  1650                 ],[
  1651                 XRRScreenResources *res = NULL;
  1652                 ],[
  1653                 have_xrandr_h_hdr=yes
  1654                 ])
  1655                 if test x$have_xrandr_h_hdr = xyes; then
  1656                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
  1657                         echo "-- dynamic libXrandr -> $xrandr_lib"
  1658                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib", [ ])
  1659                         definitely_enable_video_x11_xrandr=yes
  1660                     else
  1661                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
  1662                         if test x$have_xrandr_lib = xyes ; then
  1663                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr"
  1664                             definitely_enable_video_x11_xrandr=yes
  1665                         fi
  1666                     fi
  1667                 fi
  1668             fi
  1669             if test x$definitely_enable_video_x11_xrandr = xyes; then
  1670                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR, 1, [ ])
  1671                 SUMMARY_video_x11="${SUMMARY_video_x11} xrandr"
  1672             fi
  1673             AC_ARG_ENABLE(video-x11-scrnsaver,
  1674 AC_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [[default=yes]]]),
  1675                             , enable_video_x11_scrnsaver=yes)
  1676             if test x$enable_video_x11_scrnsaver = xyes; then
  1677                 AC_CHECK_HEADER(X11/extensions/scrnsaver.h,
  1678                                 have_scrnsaver_h_hdr=yes,
  1679                                 have_scrnsaver_h_hdr=no,
  1680                                 [#include <X11/Xlib.h>
  1681                                 ])
  1682                 if test x$have_scrnsaver_h_hdr = xyes; then
  1683                     if test x$enable_x11_shared = xyes && test x$xss_lib != x ; then
  1684                         echo "-- dynamic libXss -> $xss_lib"
  1685                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS, "$xss_lib", [ ])
  1686                         definitely_enable_video_x11_scrnsaver=yes
  1687                     else
  1688                         AC_CHECK_LIB(Xss, XScreenSaverSuspend, have_xss_lib=yes)
  1689                         if test x$have_xss_lib = xyes ; then
  1690                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXss"
  1691                             definitely_enable_video_x11_scrnsaver=yes
  1692                         fi
  1693                     fi
  1694                 fi
  1695             fi
  1696             if test x$definitely_enable_video_x11_scrnsaver = xyes; then
  1697                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSCRNSAVER, 1, [ ])
  1698                 SUMMARY_video_x11="${SUMMARY_video_x11} xscrnsaver"
  1699             fi
  1700             AC_ARG_ENABLE(video-x11-xshape,
  1701 AC_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [[default=yes]]]),
  1702                             , enable_video_x11_xshape=yes)
  1703             if test x$enable_video_x11_xshape = xyes; then
  1704                 AC_CHECK_HEADER(X11/extensions/shape.h,
  1705                                 have_shape_h_hdr=yes,
  1706                                 have_shape_h_hdr=no,
  1707                                 [#include <X11/Xlib.h>
  1708                                 ])
  1709                 if test x$have_shape_h_hdr = xyes; then
  1710                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSHAPE, 1, [ ])
  1711                     SUMMARY_video_x11="${SUMMARY_video_x11} xshape"
  1712                 fi
  1713             fi
  1714             AC_ARG_ENABLE(video-x11-vm,
  1715 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
  1716                             , enable_video_x11_vm=yes)
  1717             if test x$enable_video_x11_vm = xyes; then
  1718                 definitely_enable_video_x11_vm=no
  1719                 AC_CHECK_HEADER(X11/extensions/xf86vmode.h,
  1720                                 have_vm_h_hdr=yes,
  1721                                 have_vm_h_hdr=no,
  1722                                 [#include <X11/Xlib.h>
  1723                                 ])
  1724                 if test x$have_vm_h_hdr = xyes; then
  1725                     if test x$enable_x11_shared = xyes && test x$xvidmode_lib != x ; then
  1726                         echo "-- dynamic libXxf86vm -> $xvidmode_lib"
  1727                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE, "$xvidmode_lib", [ ])
  1728                         definitely_enable_video_x11_vm=yes
  1729                     else
  1730                         AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, have_vm_lib=yes)
  1731                         if test x$have_vm_lib = xyes ; then
  1732                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXxf86vm"
  1733                             definitely_enable_video_x11_vm=yes
  1734                         fi
  1735                     fi
  1736                 fi
  1737             fi
  1738             if test x$definitely_enable_video_x11_vm = xyes; then
  1739                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XVIDMODE, 1, [ ])
  1740                 SUMMARY_video_x11="${SUMMARY_video_x11} xvidmode"
  1741             fi
  1742         fi
  1743     fi
  1744 }
  1745 
  1746 dnl Set up the Vivante video driver if enabled
  1747 CheckVivanteVideo()
  1748 {
  1749     AC_ARG_ENABLE(video-vivante,
  1750 AC_HELP_STRING([--enable-video-vivante], [use Vivante EGL video driver [[default=yes]]]),
  1751                   , enable_video_vivante=yes)
  1752     if test x$enable_video = xyes -a x$enable_video_vivante = xyes; then
  1753         AC_MSG_CHECKING(for Vivante VDK API)
  1754         have_vivante_vdk=no
  1755         AC_TRY_COMPILE([
  1756           #define LINUX
  1757           #define EGL_API_FB
  1758           #include <gc_vdk.h>
  1759         ],[
  1760         ],[
  1761         have_vivante_vdk=yes
  1762         ])
  1763         AC_MSG_RESULT($have_vivante_vdk)
  1764 
  1765         AC_MSG_CHECKING(for Vivante FB API)
  1766         have_vivante_egl=no
  1767         AC_TRY_COMPILE([
  1768           #define LINUX
  1769           #define EGL_API_FB
  1770           #include <EGL/eglvivante.h>
  1771         ],[
  1772         ],[
  1773         have_vivante_egl=yes
  1774         ])
  1775         AC_MSG_RESULT($have_vivante_egl)
  1776 
  1777         if test x$have_vivante_vdk = xyes -o x$have_vivante_egl = xyes; then
  1778             AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE, 1, [ ])
  1779             EXTRA_CFLAGS="$EXTRA_CFLAGS -DLINUX -DEGL_API_FB"
  1780             if test x$have_vivante_vdk = xyes; then
  1781                 AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE_VDK, 1, [ ])
  1782                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lVDK"
  1783             fi
  1784             SOURCES="$SOURCES $srcdir/src/video/vivante/*.c"
  1785             SUMMARY_video="${SUMMARY_video} vivante"
  1786             have_video=yes
  1787         fi
  1788     fi
  1789 }
  1790 
  1791 dnl Set up the Haiku video driver if enabled
  1792 CheckHaikuVideo()
  1793 {
  1794     if test x$enable_video = xyes; then
  1795         AC_DEFINE(SDL_VIDEO_DRIVER_HAIKU, 1, [ ])
  1796         SOURCES="$SOURCES $srcdir/src/video/haiku/*.cc"
  1797         have_video=yes
  1798         SUMMARY_video="${SUMMARY_video} haiku"
  1799     fi
  1800 }
  1801 
  1802 dnl Set up the Cocoa video driver for Mac OS X (but not Darwin)
  1803 CheckCOCOA()
  1804 {
  1805     AC_ARG_ENABLE(video-cocoa,
  1806 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]]),
  1807                   , enable_video_cocoa=yes)
  1808     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  1809         save_CFLAGS="$CFLAGS"
  1810         dnl work around that we don't have Objective-C support in autoconf
  1811         CFLAGS="$CFLAGS -x objective-c"
  1812         AC_MSG_CHECKING(for Cocoa framework)
  1813         have_cocoa=no
  1814         AC_TRY_COMPILE([
  1815           #import <Cocoa/Cocoa.h>
  1816         ],[
  1817         ],[
  1818         have_cocoa=yes
  1819         ])
  1820         AC_MSG_RESULT($have_cocoa)
  1821         CFLAGS="$save_CFLAGS"
  1822         if test x$have_cocoa = xyes; then
  1823             AC_DEFINE(SDL_VIDEO_DRIVER_COCOA, 1, [ ])
  1824             SOURCES="$SOURCES $srcdir/src/video/cocoa/*.m"
  1825             SUMMARY_video="${SUMMARY_video} cocoa"
  1826             have_video=yes
  1827         fi
  1828     fi
  1829 }
  1830 
  1831 dnl Find DirectFB
  1832 CheckDirectFB()
  1833 {
  1834     AC_ARG_ENABLE(video-directfb,
  1835 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),
  1836                   , enable_video_directfb=no)
  1837     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
  1838         video_directfb=no
  1839 
  1840         DIRECTFB_REQUIRED_VERSION=1.0.0
  1841         AC_PATH_PROGS(DIRECTFBCONFIG, directfb-config, no, [$prefix/bin:$PATH])
  1842         if test x$DIRECTFBCONFIG = xno; then
  1843             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1844             if test x$PKG_CONFIG != xno; then
  1845                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
  1846                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
  1847                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
  1848                     DIRECTFB_PREFIX=`$PKG_CONFIG --variable=prefix directfb`
  1849                     video_directfb=yes
  1850                 fi
  1851             fi
  1852         else
  1853             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
  1854             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1855             set -- `$DIRECTFBCONFIG --version | sed 's/\./ /g'`
  1856             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1857             if test $HAVE_VERSION -ge $NEED_VERSION; then
  1858                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
  1859                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
  1860                 DIRECTFB_PREFIX=`$DIRECTFBCONFIG --prefix`
  1861                 video_directfb=yes
  1862             fi
  1863         fi
  1864         if test x$video_directfb = xyes; then
  1865             # SuSE 11.1 installs directfb-config without directfb-devel
  1866             save_CPPFLAGS="$CPPFLAGS"
  1867             CPPFLAGS="$CPPFLAGS $DIRECTFB_CFLAGS"
  1868             AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no)
  1869             CPPFLAGS="$save_CPPFLAGS"
  1870             video_directfb=$have_directfb_hdr
  1871         fi
  1872         AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
  1873         AC_MSG_RESULT($video_directfb)
  1874 
  1875         if test x$video_directfb = xyes; then
  1876             AC_ARG_ENABLE(directfb-shared,
  1877 AC_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [[default=yes]]]),
  1878                               , enable_directfb_shared=yes)
  1879 
  1880             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB, 1, [ ])
  1881             AC_DEFINE(SDL_VIDEO_RENDER_DIRECTFB, 1, [ ])
  1882             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
  1883             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
  1884 
  1885             AC_MSG_CHECKING(for directfb dynamic loading support)
  1886             directfb_shared=no
  1887             directfb_lib=[`find_lib "libdirectfb.so.*" "$DIRECTFB_LIBS"`]
  1888             # | sed 's/.*\/\(.*\)/\1/; q'`]
  1889 AC_MSG_WARN("directfb $directfb_lib")
  1890             if test x$have_loadso != xyes && \
  1891                test x$enable_directfb_shared = xyes; then
  1892                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic directfb loading])
  1893             fi
  1894             if test x$have_loadso = xyes && \
  1895                test x$enable_directfb_shared = xyes && test x$directfb_lib != x; then
  1896                 directfb_shared=yes
  1897                 echo "-- $directfb_lib_spec -> $directfb_lib"
  1898                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC, "$directfb_lib", [ ])
  1899                 SUMMARY_video="${SUMMARY_video} directfb(dynamic)"
  1900             else
  1901                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
  1902                 SUMMARY_video="${SUMMARY_video} directfb"
  1903             fi
  1904             AC_MSG_RESULT($directfb_shared)
  1905             SDL_CFLAGS="$SDL_CFLAGS $DIRECTFB_CFLAGS"
  1906             have_video=yes
  1907         fi
  1908     fi
  1909 }
  1910 
  1911 dnl Find FusionSound
  1912 CheckFusionSound()
  1913 {
  1914     AC_ARG_ENABLE(fusionsound,
  1915 AC_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [[default=no]]]),
  1916                   , enable_fusionsound=no)
  1917     if test x$enable_audio = xyes -a x$enable_fusionsound = xyes; then
  1918         fusionsound=no
  1919 
  1920         FUSIONSOUND_REQUIRED_VERSION=1.1.1
  1921 
  1922         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1923         AC_MSG_CHECKING(for FusionSound $FUSIONSOUND_REQUIRED_VERSION support)
  1924         if test x$PKG_CONFIG != xno; then
  1925             if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $FUSIONSOUND_REQUIRED_VERSION fusionsound; then
  1926                 FUSIONSOUND_CFLAGS=`$PKG_CONFIG --cflags fusionsound`
  1927                 FUSIONSOUND_LIBS=`$PKG_CONFIG --libs fusionsound`
  1928                 fusionsound=yes
  1929             fi
  1930         fi
  1931         AC_MSG_RESULT($fusionsound)
  1932 
  1933         if test x$fusionsound = xyes; then
  1934             AC_DEFINE(SDL_AUDIO_DRIVER_FUSIONSOUND, 1, [ ])
  1935             SOURCES="$SOURCES $srcdir/src/audio/fusionsound/*.c"
  1936             EXTRA_CFLAGS="$EXTRA_CFLAGS $FUSIONSOUND_CFLAGS"
  1937             
  1938             AC_ARG_ENABLE(fusionsound-shared,
  1939 AC_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [[default=yes]]]),
  1940                           , enable_fusionsound_shared=yes)
  1941             fusionsound_shared=no
  1942             AC_MSG_CHECKING(for FusionSound dynamic loading support)
  1943             if test x$have_loadso != xyes && \
  1944                test x$enable_fusionsound_shared = xyes; then
  1945                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic fusionsound loading])
  1946             fi
  1947             if test x$have_loadso = xyes && \
  1948                test x$enable_fusionsound_shared = xyes; then
  1949                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC, "libfusionsound.so", [ ])
  1950                 fusionsound_shared=yes
  1951                 SUMMARY_audio="${SUMMARY_audio} fusionsound(dynamic)"
  1952             else
  1953                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $FUSIONSOUND_LIBS"
  1954                 SUMMARY_audio="${SUMMARY_audio} fusionsound"
  1955             fi
  1956             AC_MSG_RESULT($fusionsound_shared)
  1957             
  1958             have_audio=yes
  1959         fi
  1960     fi
  1961 }
  1962 
  1963 dnl rcg04172001 Set up the Null video driver.
  1964 CheckDummyVideo()
  1965 {
  1966     AC_ARG_ENABLE(video-dummy,
  1967 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
  1968                   , enable_video_dummy=yes)
  1969     if test x$enable_video_dummy = xyes; then
  1970         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ])
  1971         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
  1972         have_video=yes
  1973         SUMMARY_video="${SUMMARY_video} dummy"
  1974     fi
  1975 }
  1976 
  1977 dnl Check to see if OpenGL support is desired
  1978 AC_ARG_ENABLE(video-opengl,
  1979 AC_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),
  1980               , enable_video_opengl=yes)
  1981 
  1982 dnl Find OpenGL
  1983 CheckOpenGLX11()
  1984 {
  1985     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1986         AC_MSG_CHECKING(for OpenGL (GLX) support)
  1987         video_opengl=no
  1988         AC_TRY_COMPILE([
  1989          #include <GL/gl.h>
  1990          #include <GL/glx.h>
  1991         ],[
  1992         ],[
  1993         video_opengl=yes
  1994         ])
  1995         AC_MSG_RESULT($video_opengl)
  1996         if test x$video_opengl = xyes; then
  1997             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1998             AC_DEFINE(SDL_VIDEO_OPENGL_GLX, 1, [ ])
  1999             AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2000             SUMMARY_video="${SUMMARY_video} opengl"
  2001         fi
  2002     fi
  2003 }
  2004 
  2005 dnl Check to see if OpenGL ES support is desired
  2006 AC_ARG_ENABLE(video-opengles,
  2007 AC_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [[default=yes]]]),
  2008               , enable_video_opengles=yes)
  2009 AC_ARG_ENABLE(video-opengles1,
  2010 AC_HELP_STRING([--enable-video-opengles1], [include OpenGL ES 1.1 support [[default=yes]]]),
  2011               , enable_video_opengles1=yes)
  2012 AC_ARG_ENABLE(video-opengles2,
  2013 AC_HELP_STRING([--enable-video-opengles2], [include OpenGL ES 2.0 support [[default=yes]]]),
  2014               , enable_video_opengles2=yes)
  2015 
  2016 dnl Find OpenGL ES
  2017 CheckOpenGLESX11()
  2018 {
  2019     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2020         AC_MSG_CHECKING(for EGL support)
  2021         video_opengl_egl=no
  2022         AC_TRY_COMPILE([
  2023           #define LINUX
  2024           #define EGL_API_FB
  2025           #include <EGL/egl.h>
  2026           #include <EGL/eglext.h>
  2027         ],[
  2028         ],[
  2029         video_opengl_egl=yes
  2030         ])
  2031         AC_MSG_RESULT($video_opengl_egl)
  2032         if test x$video_opengl_egl = xyes; then
  2033             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2034         fi
  2035             
  2036         if test x$enable_video_opengles1 = xyes; then
  2037             AC_MSG_CHECKING(for OpenGL ES v1 headers)
  2038             video_opengles_v1=no
  2039             AC_TRY_COMPILE([
  2040              #include <GLES/gl.h>
  2041              #include <GLES/glext.h>
  2042             ],[
  2043             ],[
  2044             video_opengles_v1=yes
  2045             ])
  2046             AC_MSG_RESULT($video_opengles_v1)
  2047             if test x$video_opengles_v1 = xyes; then
  2048                 AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])
  2049                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])
  2050                 SUMMARY_video="${SUMMARY_video} opengl_es1"
  2051             fi
  2052         fi
  2053         
  2054         if test x$enable_video_opengles2 = xyes; then
  2055             AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2056             video_opengles_v2=no
  2057             AC_TRY_COMPILE([
  2058              #include <GLES2/gl2.h>
  2059              #include <GLES2/gl2ext.h>
  2060             ],[
  2061             ],[
  2062             video_opengles_v2=yes
  2063             ])
  2064             AC_MSG_RESULT($video_opengles_v2)
  2065             if test x$video_opengles_v2 = xyes; then
  2066                 AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2067                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2068                 SUMMARY_video="${SUMMARY_video} opengl_es2"
  2069             fi
  2070         fi
  2071     fi
  2072 }
  2073 
  2074 dnl Check for Windows OpenGL
  2075 CheckWINDOWSGL()
  2076 {
  2077     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2078         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2079         AC_DEFINE(SDL_VIDEO_OPENGL_WGL, 1, [ ])
  2080         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2081         SUMMARY_video="${SUMMARY_video} opengl"
  2082     fi
  2083 }
  2084 
  2085 dnl Check for Windows OpenGL
  2086 CheckWINDOWSGLES()
  2087 {
  2088     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2089 
  2090         AC_MSG_CHECKING(for EGL support)
  2091         video_opengl_egl=no
  2092         AC_TRY_COMPILE([
  2093          #include <EGL/egl.h>
  2094         ],[
  2095         ],[
  2096         video_opengl_egl=yes
  2097         ])
  2098         AC_MSG_RESULT($video_opengl_egl)
  2099         if test x$video_opengl_egl = xyes; then
  2100             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2101             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2102             SUMMARY_video="${SUMMARY_video} opengl_es1"
  2103         fi
  2104        
  2105         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2106         video_opengles_v2=no
  2107         AC_TRY_COMPILE([
  2108          #include <GLES2/gl2.h>
  2109          #include <GLES2/gl2ext.h>
  2110         ],[
  2111         ],[
  2112         video_opengles_v2=yes
  2113         ])
  2114         AC_MSG_RESULT($video_opengles_v2)
  2115         if test x$video_opengles_v2 = xyes; then
  2116             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2117             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2118             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2119             SUMMARY_video="${SUMMARY_video} opengl_es2"
  2120         fi
  2121     fi
  2122 }
  2123 
  2124 dnl Check for Haiku OpenGL
  2125 CheckHaikuGL()
  2126 {
  2127     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2128         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2129         AC_DEFINE(SDL_VIDEO_OPENGL_HAIKU, 1, [ ])
  2130         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2131         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  2132         SUMMARY_video="${SUMMARY_video} opengl"
  2133     fi
  2134 }
  2135 
  2136 dnl Check for MacOS OpenGL
  2137 CheckMacGL()
  2138 {
  2139     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2140         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2141         AC_DEFINE(SDL_VIDEO_OPENGL_CGL, 1, [ ])
  2142         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2143         SUMMARY_video="${SUMMARY_video} opengl"
  2144     fi
  2145 }
  2146 
  2147 CheckEmscriptenGLES()
  2148 {
  2149     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2150         AC_MSG_CHECKING(for EGL support)
  2151         video_opengl_egl=no
  2152         AC_TRY_COMPILE([
  2153          #include <EGL/egl.h>
  2154         ],[
  2155         ],[
  2156         video_opengl_egl=yes
  2157         ])
  2158         AC_MSG_RESULT($video_opengl_egl)
  2159         if test x$video_opengl_egl = xyes; then
  2160             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2161         fi
  2162 
  2163         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2164         video_opengles_v2=no
  2165         AC_TRY_COMPILE([
  2166          #include <GLES2/gl2.h>
  2167          #include <GLES2/gl2ext.h>
  2168         ],[
  2169         ],[
  2170         video_opengles_v2=yes
  2171         ])
  2172         AC_MSG_RESULT($video_opengles_v2)
  2173         if test x$video_opengles_v2 = xyes; then
  2174             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2175             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2176             SUMMARY_video="${SUMMARY_video} opengl_es2"
  2177         fi
  2178     fi
  2179 }
  2180 
  2181 dnl See if we can use the new unified event interface in Linux 2.4
  2182 CheckInputEvents()
  2183 {
  2184     dnl Check for Linux 2.4 unified input event interface support
  2185         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
  2186         use_input_events=no
  2187         AC_TRY_COMPILE([
  2188           #include <linux/input.h>
  2189         ],[
  2190           #ifndef EVIOCGNAME
  2191           #error EVIOCGNAME() ioctl not available
  2192           #endif
  2193         ],[
  2194         use_input_events=yes
  2195         ])
  2196         AC_MSG_RESULT($use_input_events)
  2197         if test x$use_input_events = xyes; then
  2198             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])
  2199             SUMMARY_input="${SUMMARY_input} linuxev"
  2200         fi
  2201 }
  2202 
  2203 dnl See if we can use the kernel kd.h header
  2204 CheckInputKD()
  2205 {
  2206 
  2207     AC_MSG_CHECKING(for Linux kd.h)
  2208     use_input_kd=no
  2209     AC_TRY_COMPILE([
  2210       #include <linux/kd.h>
  2211       #include <linux/keyboard.h>
  2212     ],[
  2213         struct kbentry kbe;
  2214         kbe.kb_table = KG_CTRL;
  2215         ioctl(0, KDGKBENT, &kbe);
  2216     ],[
  2217     use_input_kd=yes
  2218     ])
  2219     AC_MSG_RESULT($use_input_kd)
  2220     if test x$use_input_kd = xyes; then
  2221         AC_DEFINE(SDL_INPUT_LINUXKD, 1, [ ])
  2222         SUMMARY_input="${SUMMARY_input} linuxkd"
  2223     fi
  2224 }
  2225 
  2226 dnl See if the platform offers libudev for device enumeration and hotplugging.
  2227 CheckLibUDev()
  2228 {
  2229     AC_ARG_ENABLE(libudev,
  2230 AC_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),
  2231                         , enable_libudev=yes)
  2232     if test x$enable_libudev = xyes; then
  2233         AC_CHECK_HEADER(libudev.h,
  2234                         have_libudev_h_hdr=yes,
  2235                         have_libudev_h_hdr=no)
  2236         if test x$have_libudev_h_hdr = xyes; then
  2237             AC_DEFINE(HAVE_LIBUDEV_H, 1, [ ])
  2238         fi
  2239     fi
  2240 }
  2241 
  2242 dnl See if the platform offers libdbus for various IPC techniques.
  2243 CheckDBus()
  2244 {
  2245     AC_ARG_ENABLE(dbus,
  2246 AC_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),
  2247                         , enable_dbus=yes)
  2248     if test x$enable_dbus = xyes; then
  2249         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2250         if test x$PKG_CONFIG != xno; then
  2251             DBUS_CFLAGS=`$PKG_CONFIG --cflags dbus-1`
  2252             save_CFLAGS="$CFLAGS"
  2253             CFLAGS="$save_CFLAGS $DBUS_CFLAGS"
  2254             AC_CHECK_HEADER(dbus/dbus.h,
  2255                             have_dbus_dbus_h_hdr=yes,
  2256                             have_dbus_dbus_h_hdr=no)
  2257             CFLAGS="$save_CFLAGS"
  2258             if test x$have_dbus_dbus_h_hdr = xyes; then
  2259                 AC_DEFINE(HAVE_DBUS_DBUS_H, 1, [ ])
  2260                 EXTRA_CFLAGS="$EXTRA_CFLAGS $DBUS_CFLAGS"
  2261                 SOURCES="$SOURCES $srcdir/src/core/linux/SDL_dbus.c"
  2262             fi
  2263         fi
  2264     fi
  2265 }
  2266 
  2267 dnl See if the platform has libibus IME support.
  2268 CheckIBus()
  2269 {
  2270     AC_ARG_ENABLE(ibus,
  2271 AC_HELP_STRING([--enable-ibus], [enable IBus support [[default=yes]]]),
  2272                   , enable_ibus=yes)
  2273     if test x$enable_ibus = xyes; then
  2274         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2275         if test x$PKG_CONFIG != xno; then
  2276             IBUS_CFLAGS=`$PKG_CONFIG --cflags ibus-1.0`
  2277             save_CFLAGS="$CFLAGS"
  2278             CFLAGS="$save_CFLAGS $IBUS_CFLAGS"
  2279             AC_CHECK_HEADER(ibus-1.0/ibus.h,
  2280                             have_ibus_ibus_h_hdr=yes,
  2281                             have_ibus_ibus_h_hdr=no)
  2282             AC_CHECK_HEADER(sys/inotify.h,
  2283                             have_inotify_inotify_h_hdr=yes,
  2284                             have_inotify_inotify_h_hdr=no)
  2285             CFLAGS="$save_CFLAGS"
  2286             if test x$have_ibus_ibus_h_hdr = xyes; then
  2287                 if test x$enable_dbus != xyes; then
  2288                     AC_MSG_WARN([DBus support is required for IBus.])
  2289                     have_ibus_ibus_h_hdr=no
  2290                 elif test x$have_inotify_inotify_h_hdr != xyes; then
  2291                     AC_MSG_WARN([INotify support is required for IBus.])
  2292                     have_ibus_ibus_h_hdr=no
  2293                 else
  2294                     AC_DEFINE(HAVE_IBUS_IBUS_H, 1, [ ])
  2295                     EXTRA_CFLAGS="$EXTRA_CFLAGS $IBUS_CFLAGS"
  2296                     SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ibus.c"
  2297                fi
  2298             fi
  2299         fi
  2300     fi
  2301 }
  2302 
  2303 dnl See if we can use the Touchscreen input library
  2304 CheckTslib()
  2305 {
  2306     AC_ARG_ENABLE(input-tslib,
  2307 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
  2308                   , enable_input_tslib=yes)
  2309     if test x$enable_input_tslib = xyes; then
  2310         AC_MSG_CHECKING(for Touchscreen library support)
  2311         enable_input_tslib=no
  2312         AC_TRY_COMPILE([
  2313           #include "tslib.h"
  2314         ],[
  2315         ],[
  2316         enable_input_tslib=yes
  2317         ])
  2318         AC_MSG_RESULT($enable_input_tslib)
  2319         if test x$enable_input_tslib = xyes; then
  2320             AC_DEFINE(SDL_INPUT_TSLIB, 1, [ ])
  2321             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
  2322             SUMMARY_input="${SUMMARY_input} ts"
  2323         fi
  2324     fi
  2325 }
  2326 
  2327 dnl See what type of thread model to use on Linux and Solaris
  2328 CheckPTHREAD()
  2329 {
  2330     dnl Check for pthread support
  2331     AC_ARG_ENABLE(pthreads,
  2332 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
  2333                   , enable_pthreads=yes)
  2334     dnl This is used on Linux for glibc binary compatibility (Doh!)
  2335     AC_ARG_ENABLE(pthread-sem,
  2336 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
  2337                   , enable_pthread_sem=yes)
  2338     case "$host" in
  2339          *-*-androideabi*)
  2340             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2341             pthread_lib=""
  2342             ;;
  2343         *-*-linux*|*-*-uclinux*)
  2344             pthread_cflags="-D_REENTRANT"
  2345             pthread_lib="-lpthread"
  2346             ;;
  2347         *-*-bsdi*)
  2348             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2349             pthread_lib=""
  2350             ;;
  2351         *-*-darwin*)
  2352             pthread_cflags="-D_THREAD_SAFE"
  2353 # causes Carbon.p complaints?
  2354 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2355             ;;
  2356         *-*-freebsd*|*-*-dragonfly*)
  2357             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2358             pthread_lib="-pthread"
  2359             ;;
  2360         *-*-netbsd*)
  2361             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2362             pthread_lib="-lpthread"
  2363             ;;
  2364         *-*-openbsd*)
  2365             pthread_cflags="-D_REENTRANT"
  2366             pthread_lib="-pthread"
  2367             ;;
  2368         *-*-solaris2.9)
  2369             # From Solaris 9+, posix4's preferred name is rt.
  2370             pthread_cflags="-D_REENTRANT"
  2371             pthread_lib="-lpthread -lrt"
  2372             ;;
  2373         *-*-solaris2.10)
  2374             # Solaris 10+ merged pthread into libc.
  2375             pthread_cflags="-D_REENTRANT"
  2376             pthread_lib="-lrt"
  2377             ;;
  2378         *-*-solaris*)
  2379             # Solaris 11+ merged rt into libc.
  2380             pthread_cflags="-D_REENTRANT"
  2381             pthread_lib=""
  2382             ;;
  2383         *-*-sysv5*)
  2384             pthread_cflags="-D_REENTRANT -Kthread"
  2385             pthread_lib=""
  2386             ;;
  2387         *-*-aix*)
  2388             pthread_cflags="-D_REENTRANT -mthreads"
  2389             pthread_lib="-lpthread"
  2390             ;;
  2391         *-*-hpux11*)
  2392             pthread_cflags="-D_REENTRANT"
  2393             pthread_lib="-L/usr/lib -lpthread"
  2394             ;;
  2395         *-*-haiku*)
  2396             pthread_cflags="-D_REENTRANT"
  2397             pthread_lib=""
  2398             ;;
  2399         *)
  2400             pthread_cflags="-D_REENTRANT"
  2401             pthread_lib="-lpthread"
  2402             ;;
  2403     esac
  2404     if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then
  2405         # Save the original compiler flags and libraries
  2406         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2407         # Add the pthread compiler flags and libraries
  2408         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2409         # Check to see if we have pthread support on this system
  2410         AC_MSG_CHECKING(for pthreads)
  2411         use_pthreads=no
  2412         AC_TRY_LINK([
  2413          #include <pthread.h>
  2414         ],[
  2415          pthread_attr_t type;
  2416          pthread_attr_init(&type);
  2417         ],[
  2418         use_pthreads=yes
  2419         ])
  2420         AC_MSG_RESULT($use_pthreads)
  2421         # Restore the compiler flags and libraries
  2422         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2423 
  2424         # Do futher testing if we have pthread support...
  2425         if test x$use_pthreads = xyes; then
  2426             AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ])
  2427             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
  2428             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
  2429             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
  2430 
  2431             # Save the original compiler flags and libraries
  2432             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2433             # Add the pthread compiler flags and libraries
  2434             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2435 
  2436             # Check to see if recursive mutexes are available
  2437             AC_MSG_CHECKING(for recursive mutexes)
  2438             has_recursive_mutexes=no
  2439             if test x$has_recursive_mutexes = xno; then
  2440                 AC_TRY_LINK([
  2441                   #define _GNU_SOURCE 1
  2442                   #include <pthread.h>
  2443                 ],[
  2444                   pthread_mutexattr_t attr;
  2445                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
  2446                 ],[
  2447                 has_recursive_mutexes=yes
  2448                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ])
  2449                 ])
  2450             fi
  2451             if test x$has_recursive_mutexes = xno; then
  2452                 AC_TRY_LINK([
  2453                   #define _GNU_SOURCE 1
  2454                   #include <pthread.h>
  2455                 ],[
  2456                   pthread_mutexattr_t attr;
  2457                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
  2458                 ],[
  2459                 has_recursive_mutexes=yes
  2460                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ])
  2461                 ])
  2462             fi
  2463             AC_MSG_RESULT($has_recursive_mutexes)
  2464 
  2465             # Check to see if pthread semaphore support is missing
  2466             if test x$enable_pthread_sem = xyes; then
  2467                 AC_MSG_CHECKING(for pthread semaphores)
  2468                 have_pthread_sem=no
  2469                 AC_TRY_COMPILE([
  2470                   #include <pthread.h>
  2471                   #include <semaphore.h>
  2472                 ],[
  2473                 ],[
  2474                 have_pthread_sem=yes
  2475                 ])
  2476                 AC_MSG_RESULT($have_pthread_sem)
  2477             fi
  2478             if test x$have_pthread_sem = xyes; then
  2479                 AC_MSG_CHECKING(for sem_timedwait)
  2480                 have_sem_timedwait=no
  2481                 AC_TRY_LINK([
  2482                   #include <pthread.h>
  2483                   #include <semaphore.h>
  2484                 ],[
  2485                   sem_timedwait(NULL, NULL);
  2486                 ],[
  2487                 have_sem_timedwait=yes
  2488                 AC_DEFINE(HAVE_SEM_TIMEDWAIT)
  2489                 ])
  2490                 AC_MSG_RESULT($have_sem_timedwait)
  2491             fi
  2492 
  2493             AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes, have_pthread_np_h=no, [ #include <pthread.h> ])
  2494             if test x$have_pthread_np_h = xyes; then
  2495                 AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ])
  2496             fi
  2497 
  2498             # Check to see if pthread naming is available
  2499             AC_MSG_CHECKING(for pthread_setname_np)
  2500             AC_TRY_LINK_FUNC(pthread_setname_np, [
  2501               has_pthread_setname_np=yes
  2502               AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ])
  2503             ],[
  2504               has_pthread_setname_np=no
  2505             ])
  2506             AC_MSG_RESULT($has_pthread_setname_np)
  2507 
  2508             AC_MSG_CHECKING(for pthread_set_name_np)
  2509             AC_TRY_LINK_FUNC(pthread_set_name_np, [
  2510               has_pthread_set_name_np=yes
  2511               AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ])
  2512             ],[
  2513               has_pthread_set_name_np=no
  2514             ])
  2515             AC_MSG_RESULT($has_pthread_set_name_np)
  2516 
  2517             # Restore the compiler flags and libraries
  2518             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2519 
  2520             # Basic thread creation functions
  2521             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
  2522 
  2523             # Semaphores
  2524             # We can fake these with mutexes and condition variables if necessary
  2525             if test x$have_pthread_sem = xyes; then
  2526                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
  2527             else
  2528                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  2529             fi
  2530 
  2531             # Mutexes
  2532             # We can fake these with semaphores if necessary
  2533             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
  2534 
  2535             # Condition variables
  2536             # We can fake these with semaphores and mutexes if necessary
  2537             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
  2538 
  2539             # Thread local storage
  2540             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systls.c"
  2541 
  2542             have_threads=yes
  2543         fi
  2544     fi
  2545 }
  2546 
  2547 dnl Determine whether the compiler can produce Windows executables
  2548 CheckWINDOWS()
  2549 {
  2550     AC_MSG_CHECKING(Windows compiler)
  2551     have_win32_gcc=no
  2552     AC_TRY_COMPILE([
  2553      #include <windows.h>
  2554     ],[
  2555     ],[
  2556     have_win32_gcc=yes
  2557     ])
  2558     AC_MSG_RESULT($have_win32_gcc)
  2559     if test x$have_win32_gcc != xyes; then
  2560        AC_MSG_ERROR([
  2561 *** Your compiler ($CC) does not produce Windows executables!
  2562        ])
  2563     fi
  2564 
  2565     AC_MSG_CHECKING(Windows CE)
  2566     have_wince=no
  2567     AC_TRY_COMPILE([
  2568 #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__)
  2569 #error This is not Windows CE
  2570 #endif
  2571     ],[
  2572     ],[
  2573     have_wince=yes
  2574        AC_MSG_ERROR([
  2575 *** Sorry, Windows CE is no longer supported.
  2576        ])
  2577     ])
  2578     AC_MSG_RESULT($have_wince)
  2579 
  2580     # This fixes Windows stack alignment with newer GCC
  2581     CheckStackBoundary
  2582 }
  2583 
  2584 dnl Find the DirectX includes and libraries
  2585 CheckDIRECTX()
  2586 {
  2587     AC_ARG_ENABLE(directx,
  2588 AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
  2589                   , enable_directx=yes)
  2590     if test x$enable_directx = xyes; then
  2591         AC_CHECK_HEADER(d3d9.h, have_d3d=yes)
  2592         AC_CHECK_HEADER(d3d11_1.h, have_d3d11=yes)
  2593         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
  2594         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
  2595         AC_CHECK_HEADER(dinput.h, have_dinput=yes)
  2596         AC_CHECK_HEADER(dxgi.h, have_dxgi=yes)
  2597         AC_CHECK_HEADER(xaudio2.h, have_xaudio2=yes)
  2598         AC_CHECK_HEADER(xinput.h, have_xinput=yes)
  2599 
  2600         if test x$have_ddraw = xyes; then
  2601             AC_DEFINE(HAVE_DDRAW_H, 1, [ ])
  2602         fi
  2603         if test x$have_dinput = xyes; then
  2604             AC_DEFINE(HAVE_DINPUT_H, 1, [ ])
  2605         fi
  2606         if test x$have_dsound = xyes; then
  2607             AC_DEFINE(HAVE_DSOUND_H, 1, [ ])
  2608         fi
  2609         if test x$have_dxgi = xyes; then
  2610             AC_DEFINE(HAVE_DXGI_H, 1, [ ])
  2611         fi
  2612         if test x$have_xinput = xyes; then
  2613             AC_DEFINE(HAVE_XINPUT_H, 1, [ ])
  2614         fi
  2615 
  2616         SUMMARY_video="${SUMMARY_video} directx"
  2617         SUMMARY_audio="${SUMMARY_audio} directx"
  2618 
  2619         # FIXME: latest Cygwin finds dinput headers, but we die on other win32 headers.
  2620         # FIXME:  ...so force it off for now.
  2621         case "$host" in
  2622             *-*-cygwin*)
  2623             have_dinput=false
  2624             ;;
  2625         esac
  2626     fi
  2627 }
  2628 
  2629 dnl Check for the dlfcn.h interface for dynamically loading objects
  2630 CheckDLOPEN()
  2631 {
  2632     AC_ARG_ENABLE(sdl-dlopen,
  2633 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
  2634                   , enable_sdl_dlopen=yes)
  2635     if test x$enable_sdl_dlopen = xyes; then
  2636         AC_MSG_CHECKING(for dlopen)
  2637         have_dlopen=no
  2638         AC_TRY_COMPILE([
  2639          #include <dlfcn.h>
  2640         ],[
  2641          void *handle = dlopen("", RTLD_NOW);
  2642          const char *loaderror = (char *) dlerror();
  2643         ],[
  2644         have_dlopen=yes
  2645         ])
  2646         AC_MSG_RESULT($have_dlopen)
  2647 
  2648         if test x$have_dlopen = xyes; then
  2649             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
  2650                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
  2651                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
  2652             AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ])
  2653             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
  2654             have_loadso=yes
  2655         fi
  2656     fi
  2657 }
  2658 
  2659 dnl Check for the usbhid(3) library on *BSD
  2660 CheckUSBHID()
  2661 {
  2662     case "$host" in
  2663         *-*-*bsd*)
  2664             if test x$enable_joystick = xyes; then
  2665                 AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
  2666                 if test x$have_libusbhid = xyes; then
  2667                     AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
  2668                     AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
  2669                     USB_LIBS="$USB_LIBS -lusbhid"
  2670                 else
  2671                     AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
  2672                     AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
  2673                     AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
  2674                 fi
  2675                     
  2676                 save_CFLAGS="$CFLAGS"
  2677                 CFLAGS="$CFLAGS $USB_CFLAGS"
  2678 
  2679                 AC_MSG_CHECKING(for usbhid)
  2680                 have_usbhid=no
  2681                 AC_TRY_COMPILE([
  2682                   #include <sys/types.h>
  2683                   #if defined(HAVE_USB_H)
  2684                   #include <usb.h>
  2685                   #endif
  2686                   #ifdef __DragonFly__
  2687                   # include <bus/usb/usb.h>
  2688                   # include <bus/usb/usbhid.h>
  2689                   #else
  2690                   # include <dev/usb/usb.h>
  2691                   # include <dev/usb/usbhid.h>
  2692                   #endif
  2693                   #if defined(HAVE_USBHID_H)
  2694                   #include <usbhid.h>
  2695                   #elif defined(HAVE_LIBUSB_H)
  2696                   #include <libusb.h>
  2697                   #elif defined(HAVE_LIBUSBHID_H)
  2698                   #include <libusbhid.h>
  2699                   #endif
  2700                 ],[
  2701                   struct report_desc *repdesc;
  2702                   struct usb_ctl_report *repbuf;
  2703                   hid_kind_t hidkind;
  2704                 ],[
  2705                 have_usbhid=yes
  2706                 ])
  2707                 AC_MSG_RESULT($have_usbhid)
  2708 
  2709                 if test x$have_usbhid = xyes; then
  2710                     AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
  2711                     have_usbhid_ucr_data=no
  2712                     AC_TRY_COMPILE([
  2713                       #include <sys/types.h>
  2714                       #if defined(HAVE_USB_H)
  2715                       #include <usb.h>
  2716                       #endif
  2717                       #ifdef __DragonFly__
  2718                       # include <bus/usb/usb.h>
  2719                       # include <bus/usb/usbhid.h>
  2720                       #else
  2721                       # include <dev/usb/usb.h>
  2722                       # include <dev/usb/usbhid.h>
  2723                       #endif
  2724                       #if defined(HAVE_USBHID_H)
  2725                       #include <usbhid.h>
  2726                       #elif defined(HAVE_LIBUSB_H)
  2727                       #include <libusb.h>
  2728                       #elif defined(HAVE_LIBUSBHID_H)
  2729                       #include <libusbhid.h>
  2730                       #endif
  2731                     ],[
  2732                       struct usb_ctl_report buf;
  2733                       if (buf.ucr_data) { }
  2734                     ],[
  2735                     have_usbhid_ucr_data=yes
  2736                     ])
  2737                     if test x$have_usbhid_ucr_data = xyes; then
  2738                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
  2739                     fi
  2740                     AC_MSG_RESULT($have_usbhid_ucr_data)
  2741                     
  2742                     AC_MSG_CHECKING(for new usbhid API)
  2743                     have_usbhid_new=no
  2744                     AC_TRY_COMPILE([
  2745                       #include <sys/types.h>
  2746                       #if defined(HAVE_USB_H)
  2747                       #include <usb.h>
  2748                       #endif
  2749                       #ifdef __DragonFly__
  2750                       #include <bus/usb/usb.h>
  2751                       #include <bus/usb/usbhid.h>
  2752                       #else
  2753                       #include <dev/usb/usb.h>
  2754                       #include <dev/usb/usbhid.h>
  2755                       #endif
  2756                       #if defined(HAVE_USBHID_H)
  2757                       #include <usbhid.h>
  2758                       #elif defined(HAVE_LIBUSB_H)
  2759                       #include <libusb.h>
  2760                       #elif defined(HAVE_LIBUSBHID_H)
  2761                       #include <libusbhid.h>
  2762                       #endif
  2763                     ],[
  2764                       report_desc_t d;
  2765                       hid_start_parse(d, 1, 1);
  2766                     ],[
  2767                     have_usbhid_new=yes
  2768                     ])
  2769                     if test x$have_usbhid_new = xyes; then
  2770                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
  2771                     fi
  2772                     AC_MSG_RESULT($have_usbhid_new)
  2773 
  2774                     AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
  2775                     have_machine_joystick=no
  2776                     AC_TRY_COMPILE([
  2777                       #include <machine/joystick.h>
  2778                     ],[
  2779                       struct joystick t;
  2780                     ],[
  2781                     have_machine_joystick=yes
  2782                     ])
  2783                     if test x$have_machine_joystick = xyes; then
  2784                         AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H, 1, [ ])
  2785                     fi
  2786                     AC_MSG_RESULT($have_machine_joystick)
  2787 
  2788                     AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ])
  2789                     SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
  2790                     EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
  2791                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
  2792                     have_joystick=yes
  2793                 fi
  2794                 CFLAGS="$save_CFLAGS"
  2795             fi
  2796         ;;
  2797     esac
  2798 }
  2799 
  2800 dnl Check for clock_gettime()
  2801 CheckClockGettime()
  2802 {
  2803     AC_ARG_ENABLE(clock_gettime,
  2804 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),
  2805                   , enable_clock_gettime=yes)
  2806     if test x$enable_clock_gettime = xyes; then
  2807         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
  2808         if test x$have_clock_gettime = xyes; then
  2809             AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2810             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
  2811         else
  2812             AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes)
  2813             if test x$have_clock_gettime = xyes; then
  2814                AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2815                EXTRA_LDFLAGS="$EXTRA_LDFLAGS"
  2816             fi
  2817         fi
  2818     fi
  2819 }
  2820 
  2821 dnl Check for a valid linux/version.h
  2822 CheckLinuxVersion()
  2823 {
  2824     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
  2825     if test x$have_linux_version_h = xyes; then
  2826         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
  2827     fi
  2828 }
  2829 
  2830 dnl Check if we want to use RPATH
  2831 CheckRPATH()
  2832 {
  2833     AC_ARG_ENABLE(rpath,
  2834 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
  2835                   , enable_rpath=yes)
  2836 }
  2837 
  2838 dnl Set up the configuration based on the host platform!
  2839 case "$host" in
  2840     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*)
  2841         case "$host" in
  2842             *-raspberry-linux*)
  2843                 # Raspberry Pi
  2844                 ARCH=linux
  2845                 RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
  2846                 CFLAGS="$CFLAGS $RPI_CFLAGS"
  2847                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
  2848                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
  2849                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L/opt/vc/lib -lbcm_host -ldl"
  2850 
  2851                 if test x$enable_video = xyes; then
  2852                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
  2853                     # FIXME: confdefs? Not AC_DEFINE?
  2854                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
  2855                     SUMMARY_video="${SUMMARY_video} rpi"
  2856                 fi
  2857                 ;;
  2858             *-*-androideabi*)
  2859                 # Android
  2860                 ARCH=android
  2861                 ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"
  2862                 CFLAGS="$CFLAGS $ANDROID_CFLAGS"
  2863                 SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS"
  2864                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS"
  2865                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid"
  2866 
  2867                 if test x$enable_video = xyes; then
  2868                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
  2869                     # FIXME: confdefs? Not AC_DEFINE?
  2870                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
  2871                     SUMMARY_video="${SUMMARY_video} android"
  2872                 fi
  2873                 ;;
  2874             *-*-linux*)         ARCH=linux ;;
  2875             *-*-uclinux*)       ARCH=linux ;;
  2876             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
  2877             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
  2878             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
  2879             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
  2880             *-*-bsdi*)          ARCH=bsdi ;;
  2881             *-*-freebsd*)       ARCH=freebsd ;;
  2882             *-*-dragonfly*)     ARCH=freebsd ;;
  2883             *-*-netbsd*)        ARCH=netbsd ;;
  2884             *-*-openbsd*)       ARCH=openbsd ;;
  2885             *-*-sysv5*)         ARCH=sysv5 ;;
  2886             *-*-solaris*)       ARCH=solaris ;;
  2887             *-*-hpux*)          ARCH=hpux ;;
  2888             *-*-aix*)           ARCH=aix ;;
  2889             *-*-minix*)         ARCH=minix ;;
  2890         esac
  2891         CheckVisibilityHidden
  2892         CheckDummyVideo
  2893         CheckDiskAudio
  2894         CheckDummyAudio
  2895         CheckDLOPEN
  2896         CheckOSS
  2897         CheckALSA
  2898         CheckPulseAudio
  2899         CheckARTSC
  2900         CheckESD
  2901         CheckNAS
  2902         CheckSNDIO
  2903         CheckX11
  2904         CheckDirectFB
  2905         CheckFusionSound
  2906         CheckOpenGLX11
  2907         CheckOpenGLESX11
  2908         CheckMir
  2909         CheckWayland
  2910         CheckLibUDev
  2911         CheckDBus
  2912         CheckIBus
  2913         case $ARCH in
  2914           linux)
  2915               CheckInputEvents
  2916               CheckInputKD
  2917           ;;
  2918         esac
  2919         CheckTslib
  2920         CheckUSBHID
  2921         CheckPTHREAD
  2922         CheckClockGettime
  2923         CheckLinuxVersion
  2924         CheckRPATH
  2925         CheckVivanteVideo
  2926         # Set up files for the audio library
  2927         if test x$enable_audio = xyes; then
  2928           case $ARCH in
  2929             sysv5|solaris|hpux)
  2930                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ])
  2931                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  2932                 have_audio=yes
  2933             ;;
  2934             netbsd)  # Don't use this on OpenBSD, it's busted.
  2935                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD, 1, [ ])
  2936                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
  2937                 have_audio=yes
  2938             ;;
  2939             aix)
  2940                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ])
  2941                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
  2942                 have_audio=yes
  2943             ;;
  2944             android)
  2945                 AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ])
  2946                 SOURCES="$SOURCES $srcdir/src/audio/android/*.c"
  2947                 SUMMARY_audio="${SUMMARY_audio} android"
  2948                 have_audio=yes
  2949             ;;
  2950           esac
  2951         fi
  2952         # Set up files for the joystick library
  2953         if test x$enable_joystick = xyes; then
  2954           case $ARCH in
  2955             linux)
  2956                 AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ])
  2957                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
  2958                 have_joystick=yes
  2959             ;;
  2960             android)
  2961                 AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ])
  2962                 SOURCES="$SOURCES $srcdir/src/joystick/android/*.c"
  2963                 have_joystick=yes
  2964             ;;
  2965           esac
  2966         fi
  2967         # Set up files for the haptic library
  2968         if test x$enable_haptic = xyes; then
  2969            if test x$use_input_events = xyes; then
  2970              case $ARCH in
  2971                linux)
  2972                    AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ])
  2973                    SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"
  2974                    have_haptic=yes
  2975                ;;
  2976              esac
  2977            fi
  2978         fi
  2979         # Set up files for the power library
  2980         if test x$enable_power = xyes; then
  2981              case $ARCH in
  2982                linux)
  2983                    AC_DEFINE(SDL_POWER_LINUX, 1, [ ])
  2984                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"
  2985                    have_power=yes
  2986                ;;
  2987                android)
  2988                    AC_DEFINE(SDL_POWER_ANDROID, 1, [ ])
  2989                    SOURCES="$SOURCES $srcdir/src/power/android/*.c"
  2990                    have_power=yes
  2991                ;;
  2992              esac
  2993         fi
  2994         # Set up files for the filesystem library
  2995         if test x$enable_filesystem = xyes; then
  2996              case $ARCH in
  2997                android)
  2998                    AC_DEFINE(SDL_FILESYSTEM_ANDROID, 1, [ ])
  2999                    SOURCES="$SOURCES $srcdir/src/filesystem/android/*.c"
  3000                    have_filesystem=yes
  3001                ;;
  3002                *)
  3003                    AC_DEFINE(SDL_FILESYSTEM_UNIX, 1, [ ])
  3004                    SOURCES="$SOURCES $srcdir/src/filesystem/unix/*.c"
  3005                    have_filesystem=yes
  3006                ;;
  3007              esac
  3008         fi
  3009         # Set up files for the timer library
  3010         if test x$enable_timers = xyes; then
  3011             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3012             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3013             have_timers=yes
  3014         fi
  3015         # Set up files for udev hotplugging support
  3016         if test x$enable_libudev = xyes && test x$have_libudev_h_hdr = xyes; then
  3017             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_udev.c"               
  3018         fi
  3019         # Set up files for evdev input
  3020         if test x$use_input_events = xyes; then
  3021             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev.c"
  3022         fi       
  3023         ;;
  3024     *-*-cygwin* | *-*-mingw32*)
  3025         ARCH=win32
  3026         if test "$build" != "$host"; then # cross-compiling
  3027             # Default cross-compile location
  3028             ac_default_prefix=/usr/local/cross-tools/$host
  3029         else
  3030             # Look for the location of the tools and install there
  3031             if test "$BUILD_PREFIX" != ""; then
  3032                 ac_default_prefix=$BUILD_PREFIX
  3033             fi
  3034         fi
  3035         CheckDummyVideo
  3036         CheckDiskAudio
  3037         CheckDummyAudio
  3038         CheckWINDOWS
  3039         CheckWINDOWSGL
  3040         CheckWINDOWSGLES
  3041         CheckDIRECTX
  3042 
  3043         # Set up the core platform files
  3044         SOURCES="$SOURCES $srcdir/src/core/windows/*.c"
  3045 
  3046         # Set up files for the video library
  3047         if test x$enable_video = xyes; then
  3048             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])
  3049             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
  3050             have_video=yes
  3051             AC_ARG_ENABLE(render-d3d,
  3052 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
  3053                                 , enable_render_d3d=yes)
  3054             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
  3055                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])
  3056             fi
  3057             if test x$enable_render_d3d = xyes -a x$have_d3d11 = xyes; then
  3058                 AC_DEFINE(SDL_VIDEO_RENDER_D3D11, 1, [ ])
  3059             fi
  3060         fi
  3061         # Set up files for the audio library
  3062         if test x$enable_audio = xyes; then
  3063             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])
  3064             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"
  3065             if test x$have_dsound = xyes; then
  3066                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])
  3067                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"
  3068             fi
  3069             if test x$have_xaudio2 = xyes; then
  3070                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
  3071                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
  3072             fi
  3073             have_audio=yes
  3074         fi
  3075         # Set up files for the joystick library
  3076         if test x$enable_joystick = xyes; then
  3077             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
  3078                 if test x$have_xinput = xyes; then
  3079                     AC_DEFINE(SDL_JOYSTICK_XINPUT, 1, [ ])
  3080                 fi
  3081                 if test x$have_dinput = xyes; then
  3082                     AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ])
  3083                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8"
  3084                 fi
  3085             else
  3086                 AC_DEFINE(SDL_JOYSTICK_WINMM, 1, [ ])
  3087             fi
  3088             SOURCES="$SOURCES $srcdir/src/joystick/windows/*.c"
  3089             have_joystick=yes
  3090         fi
  3091         if test x$enable_haptic = xyes; then
  3092             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
  3093                 if test x$have_xinput = xyes; then
  3094                     AC_DEFINE(SDL_HAPTIC_XINPUT, 1, [ ])
  3095                 fi
  3096                 if test x$have_dinput = xyes; then
  3097                     AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ])
  3098                 fi
  3099                 SOURCES="$SOURCES $srcdir/src/haptic/windows/*.c"
  3100                 have_haptic=yes
  3101             fi
  3102         fi
  3103         if test x$enable_power = xyes; then
  3104             AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ])
  3105             SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c"
  3106             have_power=yes
  3107         fi
  3108         if test x$enable_filesystem = xyes; then
  3109             AC_DEFINE(SDL_FILESYSTEM_WINDOWS, 1, [ ])
  3110             SOURCES="$SOURCES $srcdir/src/filesystem/windows/SDL_sysfilesystem.c"
  3111             have_filesystem=yes
  3112         fi
  3113         # Set up files for the thread library
  3114         if test x$enable_threads = xyes; then
  3115             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])
  3116             SOURCES="$SOURCES $srcdir/src/thread/windows/*.c"
  3117             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  3118             have_threads=yes
  3119         fi
  3120         # Set up files for the timer library
  3121         if test x$enable_timers = xyes; then
  3122             AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ])
  3123             SOURCES="$SOURCES $srcdir/src/timer/windows/*.c"
  3124             have_timers=yes
  3125         fi
  3126         # Set up files for the shared object loading library
  3127         if test x$enable_loadso = xyes; then
  3128             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])
  3129             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"
  3130             have_loadso=yes
  3131         fi
  3132         # Set up the system libraries we need
  3133         if test -f /lib/w32api/libuuid.a; then
  3134             LIBUUID=/lib/w32api/libuuid.a
  3135         else
  3136             LIBUUID=-luuid
  3137         fi
  3138         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion $LIBUUID -static-libgcc"
  3139         # The Windows platform requires special setup
  3140         VERSION_SOURCES="$srcdir/src/main/windows/*.rc"
  3141         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
  3142         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
  3143         SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows"
  3144 
  3145         # Check to see if this is a mingw or cygwin build
  3146         have_mingw32=
  3147         AC_CHECK_LIB(mingw32, main, [have_mingw32=yes])
  3148         if test x$have_mingw32 = xyes; then
  3149             SDL_LIBS="-lmingw32 $SDL_LIBS"
  3150         else
  3151             SDL_LIBS="-lcygwin $SDL_LIBS"
  3152         fi
  3153         ;;
  3154 
  3155     dnl BeOS support removed after SDL 2.0.1. Haiku still works.  --ryan.
  3156     *-*-beos*)
  3157         AC_MSG_ERROR([
  3158 *** BeOS support has been removed as of SDL 2.0.2.
  3159         ])
  3160         ;;
  3161 
  3162     *-*-haiku*)
  3163         ARCH=haiku
  3164         ac_default_prefix=/boot/system
  3165         CheckDummyVideo
  3166         CheckDiskAudio
  3167         CheckDummyAudio
  3168         CheckHaikuVideo
  3169         CheckHaikuGL
  3170         CheckPTHREAD
  3171 
  3172         # Set up files for the audio library
  3173         if test x$enable_audio = xyes; then
  3174             AC_DEFINE(SDL_AUDIO_DRIVER_HAIKU, 1, [ ])
  3175             SOURCES="$SOURCES $srcdir/src/audio/haiku/*.cc"
  3176             have_audio=yes
  3177         fi
  3178         # Set up files for the joystick library
  3179         if test x$enable_joystick = xyes; then
  3180             AC_DEFINE(SDL_JOYSTICK_HAIKU, 1, [ ])
  3181             SOURCES="$SOURCES $srcdir/src/joystick/haiku/*.cc"
  3182             have_joystick=yes
  3183         fi
  3184         # Set up files for the timer library
  3185         if test x$enable_timers = xyes; then
  3186             AC_DEFINE(SDL_TIMER_HAIKU, 1, [ ])
  3187             SOURCES="$SOURCES $srcdir/src/timer/haiku/*.c"
  3188             have_timers=yes
  3189         fi
  3190         # Set up files for the shared object loading library
  3191         if test x$enable_loadso = xyes; then
  3192             AC_DEFINE(SDL_LOADSO_HAIKU, 1, [ ])
  3193             SOURCES="$SOURCES $srcdir/src/loadso/haiku/*.c"
  3194             have_loadso=yes
  3195         fi
  3196         # Set up files for the system power library
  3197         if test x$enable_power = xyes; then
  3198             AC_DEFINE(SDL_POWER_HAIKU, 1, [ ])
  3199             SOURCES="$SOURCES $srcdir/src/power/haiku/*.c"
  3200             have_power=yes
  3201         fi
  3202         # Set up files for the system filesystem library
  3203         if test x$enable_filesystem = xyes; then
  3204             AC_DEFINE(SDL_FILESYSTEM_HAIKU, 1, [ ])
  3205             SOURCES="$SOURCES $srcdir/src/filesystem/haiku/*.cc"
  3206             have_filesystem=yes
  3207         fi
  3208         # The Haiku platform requires special setup.
  3209         SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES"
  3210         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
  3211         ;;
  3212     arm*-apple-darwin*)
  3213         # iOS - We are not writing anything to confdefs.h because you have to replace
  3214         # SDL_config.h for SDL_config_iphoneos.h anyway
  3215         ARCH=ios
  3216 
  3217         CheckVisibilityHidden
  3218         CheckDummyVideo
  3219         CheckDiskAudio
  3220         CheckDummyAudio
  3221         CheckDLOPEN
  3222         CheckCOCOA
  3223         CheckPTHREAD
  3224 
  3225 
  3226         # Set up files for the audio library
  3227         if test x$enable_audio = xyes; then
  3228             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  3229             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3230             have_audio=yes
  3231         fi
  3232         # Set up files for the joystick library
  3233         if test x$enable_joystick = xyes; then
  3234             SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m"
  3235             have_joystick=yes
  3236         fi
  3237         # Set up files for the haptic library
  3238         #if test x$enable_haptic = xyes; then
  3239         #    SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3240         #    have_haptic=yes
  3241         #    EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3242         #fi
  3243         # Set up files for the power library
  3244         if test x$enable_power = xyes; then
  3245             SOURCES="$SOURCES $srcdir/src/power/uikit/*.m"
  3246             have_power=yes
  3247         fi
  3248         # Set up files for the filesystem library
  3249         if test x$enable_filesystem = xyes; then
  3250             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3251             have_filesystem=yes
  3252         fi
  3253         # Set up files for the timer library
  3254         if test x$enable_timers = xyes; then
  3255             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3256             have_timers=yes
  3257         fi
  3258         # Set up additional files for the file library
  3259         if test x$enable_file = xyes; then
  3260             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3261         fi
  3262         # The iOS platform requires special setup.
  3263         SOURCES="$SOURCES $srcdir/src/video/uikit/*.m"
  3264         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3265         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -liconv -lobjc"
  3266         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Foundation"
  3267         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"
  3268         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGLES"
  3269         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"
  3270         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio"
  3271         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox"
  3272         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreGraphics"
  3273         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreMotion"
  3274         ;;
  3275     *-*-darwin* )
  3276         # This could be either full "Mac OS X", or plain "Darwin" which is
  3277         # just the OS X kernel sans upper layers like Carbon and Cocoa.
  3278         # Next line is broken, and a few files below require Mac OS X (full)
  3279         ARCH=macosx
  3280 
  3281         # Mac OS X builds with both the Carbon and OSX APIs at the moment
  3282         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
  3283         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
  3284 
  3285         CheckVisibilityHidden
  3286         CheckDummyVideo
  3287         CheckDiskAudio
  3288         CheckDummyAudio
  3289         CheckDLOPEN
  3290         CheckCOCOA
  3291         CheckX11
  3292         CheckMacGL
  3293         CheckOpenGLX11
  3294         CheckPTHREAD
  3295 
  3296         # Set up files for the audio library
  3297         if test x$enable_audio = xyes; then
  3298             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
  3299             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  3300             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3301             have_audio=yes
  3302         fi
  3303         # Set up files for the joystick library
  3304         if test x$enable_joystick = xyes; then
  3305             AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ])
  3306             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
  3307             have_joystick=yes
  3308         fi
  3309         # Set up files for the haptic library
  3310         if test x$enable_haptic = xyes; then
  3311             AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ])
  3312             SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3313             have_haptic=yes
  3314             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3315         fi
  3316         # Set up files for the power library
  3317         if test x$enable_power = xyes; then
  3318             AC_DEFINE(SDL_POWER_MACOSX, 1, [ ])
  3319             SOURCES="$SOURCES $srcdir/src/power/macosx/*.c"
  3320             have_power=yes
  3321         fi
  3322         # Set up files for the filesystem library
  3323         if test x$enable_filesystem = xyes; then
  3324             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])
  3325             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3326             have_filesystem=yes
  3327         fi
  3328         # Set up files for the timer library
  3329         if test x$enable_timers = xyes; then
  3330             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3331             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3332             have_timers=yes
  3333         fi
  3334         # Set up additional files for the file library
  3335         if test x$enable_file = xyes; then
  3336             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3337         fi
  3338         # The Mac OS X platform requires special setup.
  3339         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3340         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc"
  3341         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreVideo"
  3342         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
  3343         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
  3344         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
  3345         # If audio is used, add the AudioUnit framework
  3346         if test x$enable_audio = xyes; then
  3347             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit"
  3348         fi
  3349         ;;
  3350     *-nacl|*-pnacl)
  3351         ARCH=nacl
  3352         CheckNativeClient
  3353         CheckDummyAudio
  3354         CheckDummyVideo
  3355         CheckInputEvents
  3356         CheckPTHREAD
  3357         
  3358         # Set up files for the timer library
  3359         if test x$enable_timers = xyes; then
  3360             AC_DEFINE(SDL_TIMER_UNIX)
  3361             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3362             have_timers=yes
  3363         fi
  3364         
  3365         if test x$enable_filesystem = xyes; then
  3366             AC_DEFINE(SDL_FILESYSTEM_NACL, 1, [ ])
  3367             SOURCES="$SOURCES $srcdir/src/filesystem/nacl/*.c"
  3368             have_filesystem=yes
  3369         fi
  3370         ;;
  3371     *-*-emscripten* )
  3372         if test x$enable_video = xyes; then
  3373             AC_DEFINE(SDL_VIDEO_DRIVER_EMSCRIPTEN, 1, [ ])
  3374             SOURCES="$SOURCES $srcdir/src/video/emscripten/*.c"
  3375             have_video=yes
  3376             SUMMARY_video="${SUMMARY_video} emscripten"
  3377         fi
  3378 
  3379         if test x$enable_audio = xyes; then
  3380             AC_DEFINE(SDL_AUDIO_DRIVER_EMSCRIPTEN, 1, [ ])
  3381             SOURCES="$SOURCES $srcdir/src/audio/emscripten/*.c"
  3382             have_audio=yes
  3383             SUMMARY_audio="${SUMMARY_audio} emscripten"
  3384         fi
  3385 
  3386         CheckVisibilityHidden
  3387         CheckDummyVideo
  3388         CheckDiskAudio
  3389         CheckDummyAudio
  3390         CheckDLOPEN
  3391         CheckClockGettime
  3392         CheckEmscriptenGLES
  3393 
  3394          # Set up files for the power library
  3395         if test x$enable_power = xyes; then
  3396             AC_DEFINE(SDL_POWER_EMSCRIPTEN, 1, [ ])
  3397             SOURCES="$SOURCES $srcdir/src/power/emscripten/*.c"
  3398             have_power=yes
  3399         fi
  3400         
  3401         # Set up files for the power library
  3402         if test x$enable_joystick = xyes; then
  3403             AC_DEFINE(SDL_JOYSTICK_EMSCRIPTEN, 1, [ ])
  3404             SOURCES="$SOURCES $srcdir/src/joystick/emscripten/*.c"
  3405             have_joystick=yes
  3406         fi
  3407 
  3408         # Set up files for the filesystem library
  3409         if test x$enable_filesystem = xyes; then
  3410             AC_DEFINE(SDL_FILESYSTEM_EMSCRIPTEN, 1, [ ])
  3411             SOURCES="$SOURCES $srcdir/src/filesystem/emscripten/*.c"
  3412             have_filesystem=yes
  3413         fi
  3414         # Set up files for the timer library
  3415         if test x$enable_timers = xyes; then
  3416             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3417             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3418             have_timers=yes
  3419         fi
  3420         ;;
  3421     *)
  3422         AC_MSG_ERROR([
  3423 *** Unsupported host:  Please add to configure.in
  3424         ])
  3425         ;;
  3426 esac
  3427 
  3428 dnl Do this on all platforms, after everything else.
  3429 CheckWarnAll
  3430 CheckWarnShadow
  3431 
  3432 # Verify that we have all the platform specific files we need
  3433 
  3434 if test x$have_joystick != xyes; then
  3435     if test x$enable_joystick = xyes; then
  3436         AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
  3437     fi
  3438     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
  3439 fi
  3440 if test x$have_haptic != xyes; then
  3441     if test x$enable_haptic = xyes; then
  3442         AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
  3443     fi
  3444     SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c"
  3445 fi
  3446 if test x$have_threads != xyes; then
  3447     if test x$enable_threads = xyes; then
  3448         AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
  3449     fi
  3450     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
  3451 fi
  3452 if test x$have_timers != xyes; then
  3453     if test x$enable_timers = xyes; then
  3454         AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
  3455     fi
  3456     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
  3457 fi
  3458 if test x$have_filesystem != xyes; then
  3459     if test x$enable_filesystem = xyes; then
  3460         AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
  3461     fi
  3462     SOURCES="$SOURCES $srcdir/src/filesystem/dummy/*.c"
  3463 fi
  3464 if test x$have_loadso != xyes; then
  3465     if test x$enable_loadso = xyes; then
  3466         AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
  3467     fi
  3468     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
  3469 fi
  3470 if test x$SDLMAIN_SOURCES = x; then
  3471     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
  3472 fi
  3473 SDLTEST_SOURCES="$srcdir/src/test/*.c"
  3474 
  3475 OBJECTS=`echo $SOURCES`
  3476 DEPENDS=`echo $SOURCES | tr ' ' '\n'`
  3477 for EXT in asm cc m c S; do
  3478     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`
  3479     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\
  3480 \\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
  3481 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3482 done
  3483 
  3484 VERSION_OBJECTS=`echo $VERSION_SOURCES`
  3485 VERSION_DEPENDS=`echo $VERSION_SOURCES`
  3486 VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
  3487 VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\
  3488 \\$(objects)/\\2.o: \\1/\\2.rc\\\\
  3489 	\\$(WINDRES) \\$< \\$@,g"`
  3490 
  3491 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
  3492 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
  3493 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3494 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3495 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3496 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3497 
  3498 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`
  3499 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`
  3500 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3501 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3502 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3503 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3504 
  3505 # Set runtime shared library paths as needed
  3506 
  3507 if test "x$enable_rpath" = "xyes"; then
  3508   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
  3509     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
  3510   fi
  3511   if test $ARCH = solaris; then
  3512     SDL_RLD_FLAGS="-R\${libdir}"
  3513   fi
  3514 else
  3515   SDL_RLD_FLAGS=""
  3516 fi
  3517 
  3518 SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
  3519 
  3520 dnl Expand the cflags and libraries needed by apps using SDL
  3521 AC_SUBST(SDL_CFLAGS)
  3522 AC_SUBST(SDL_LIBS)
  3523 AC_SUBST(SDL_STATIC_LIBS)
  3524 AC_SUBST(SDL_RLD_FLAGS)
  3525 if test x$enable_shared = xyes; then
  3526     ENABLE_SHARED_TRUE=
  3527     ENABLE_SHARED_FALSE="#"
  3528 else
  3529     ENABLE_SHARED_TRUE="#"
  3530     ENABLE_SHARED_FALSE=
  3531 fi
  3532 if test x$enable_static = xyes; then
  3533     ENABLE_STATIC_TRUE=
  3534     ENABLE_STATIC_FALSE="#"
  3535 else
  3536     ENABLE_STATIC_TRUE="#"
  3537     ENABLE_STATIC_FALSE=
  3538 fi
  3539 AC_SUBST(ENABLE_SHARED_TRUE)
  3540 AC_SUBST(ENABLE_SHARED_FALSE)
  3541 AC_SUBST(ENABLE_STATIC_TRUE)
  3542 AC_SUBST(ENABLE_STATIC_FALSE)
  3543 
  3544 dnl Expand the sources and objects needed to build the library
  3545 AC_SUBST(ac_aux_dir)
  3546 AC_SUBST(INCLUDE)
  3547 AC_SUBST(OBJECTS)
  3548 AC_SUBST(VERSION_OBJECTS)
  3549 AC_SUBST(SDLMAIN_OBJECTS)
  3550 AC_SUBST(SDLTEST_OBJECTS)
  3551 AC_SUBST(BUILD_CFLAGS)
  3552 AC_SUBST(EXTRA_CFLAGS)
  3553 AC_SUBST(BUILD_LDFLAGS)
  3554 AC_SUBST(EXTRA_LDFLAGS)
  3555 AC_SUBST(WINDRES)
  3556 
  3557 cat >Makefile.rules <<__EOF__
  3558 
  3559 # Build rules for objects
  3560 -include \$(OBJECTS:.lo=.d)
  3561 
  3562 # Special dependency for SDL.c, since it depends on SDL_revision.h
  3563 $srcdir/src/SDL.c: update-revision
  3564 $DEPENDS
  3565 $VERSION_DEPENDS
  3566 $SDLMAIN_DEPENDS
  3567 $SDLTEST_DEPENDS
  3568 __EOF__
  3569 
  3570 AC_CONFIG_FILES([
  3571     Makefile:Makefile.in:Makefile.rules sdl2-config SDL2.spec sdl2.pc
  3572 ])
  3573 AC_CONFIG_COMMANDS([sdl2_config],[chmod a+x sdl2-config])
  3574 
  3575 SUMMARY="SDL2 Configure Summary:\n"
  3576 if test x$enable_shared = xyes; then
  3577     SUMMARY="${SUMMARY}Building Shared Libraries\n"
  3578 fi
  3579 if test x$enable_static = xyes; then
  3580     SUMMARY="${SUMMARY}Building Static Libraries\n"
  3581 fi
  3582 SUMMARY="${SUMMARY}Enabled modules :${SUMMARY_modules}\n"
  3583 SUMMARY="${SUMMARY}Assembly Math   :${SUMMARY_math}\n" 
  3584 SUMMARY="${SUMMARY}Audio drivers   :${SUMMARY_audio}\n"
  3585 SUMMARY="${SUMMARY}Video drivers   :${SUMMARY_video}\n"
  3586 if test x$have_x = xyes; then
  3587     SUMMARY="${SUMMARY}X11 libraries   :${SUMMARY_video_x11}\n"
  3588 fi
  3589 SUMMARY="${SUMMARY}Input drivers   :${SUMMARY_input}\n"
  3590 if test x$enable_libudev = xyes; then
  3591     SUMMARY="${SUMMARY}Using libudev   : YES\n"
  3592 else
  3593     SUMMARY="${SUMMARY}Using libudev   : NO\n"
  3594 fi
  3595 if test x$have_dbus_dbus_h_hdr = xyes; then
  3596     SUMMARY="${SUMMARY}Using dbus      : YES\n"
  3597 else
  3598     SUMMARY="${SUMMARY}Using dbus      : NO\n"
  3599 fi
  3600 if test x$have_ibus_ibus_h_hdr = xyes; then
  3601     SUMMARY="${SUMMARY}Using ibus      : YES\n"
  3602 else
  3603     SUMMARY="${SUMMARY}Using ibus      : NO\n"
  3604 fi
  3605 AC_CONFIG_COMMANDS([summary], [echo -en "$SUMMARY"], [SUMMARY="$SUMMARY"])
  3606 
  3607 AC_OUTPUT