configure.in
author Sam Lantinga <slouken@libsdl.org>
Sun, 15 Jan 2012 03:34:14 -0500
changeset 6219 8e94af244f2c
parent 6217 6952b11b7f46
child 6235 d169541f5049
permissions -rw-r--r--
Check for sem_timedwait(), which isn't available on some systems (including OpenBSD
     1 dnl Process this file with autoconf to produce a configure script.
     2 AC_INIT(README)
     3 AC_CONFIG_HEADER(include/SDL_config_generated.h)
     4 AC_GNU_SOURCE
     5 AC_CONFIG_AUX_DIR(build-scripts)
     6 AC_CONFIG_MACRO_DIR([acinclude])
     7 
     8 dnl Save the CFLAGS to see whether they were passed in or generated
     9 orig_CFLAGS="$CFLAGS"
    10 
    11 dnl Set various version strings - taken gratefully from the GTk sources
    12 #
    13 # Making releases:
    14 # Edit include/SDL/SDL_version.h and change the version, then:
    15 #   SDL_MICRO_VERSION += 1;
    16 #   SDL_INTERFACE_AGE += 1;
    17 #   SDL_BINARY_AGE += 1;
    18 # if any functions have been added, set SDL_INTERFACE_AGE to 0.
    19 # if backwards compatibility has been broken,
    20 # set SDL_BINARY_AGE and SDL_INTERFACE_AGE to 0.
    21 #
    22 SDL_MAJOR_VERSION=1
    23 SDL_MINOR_VERSION=3
    24 SDL_MICRO_VERSION=0
    25 SDL_INTERFACE_AGE=0
    26 SDL_BINARY_AGE=0
    27 SDL_VERSION=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION.$SDL_MICRO_VERSION
    28 
    29 AC_SUBST(SDL_MAJOR_VERSION)
    30 AC_SUBST(SDL_MINOR_VERSION)
    31 AC_SUBST(SDL_MICRO_VERSION)
    32 AC_SUBST(SDL_INTERFACE_AGE)
    33 AC_SUBST(SDL_BINARY_AGE)
    34 AC_SUBST(SDL_VERSION)
    35 
    36 # libtool versioning
    37 LT_INIT([win32-dll])
    38 
    39 LT_RELEASE=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION
    40 LT_CURRENT=`expr $SDL_MICRO_VERSION - $SDL_INTERFACE_AGE`
    41 LT_REVISION=$SDL_INTERFACE_AGE
    42 LT_AGE=`expr $SDL_BINARY_AGE - $SDL_INTERFACE_AGE`
    43 m4_pattern_allow([^LT_])
    44 
    45 AC_SUBST(LT_RELEASE)
    46 AC_SUBST(LT_CURRENT)
    47 AC_SUBST(LT_REVISION)
    48 AC_SUBST(LT_AGE)
    49 
    50 dnl Detect the canonical build and host environments
    51 dnl AC_CANONICAL_HOST
    52 
    53 dnl Check for tools
    54 AC_PROG_LIBTOOL
    55 AC_PROG_CC
    56 AC_PROG_CXX
    57 AC_PROG_INSTALL
    58 AC_PROG_MAKE_SET
    59 AC_CHECK_TOOL(WINDRES, [windres], [:])
    60 
    61 dnl Set up the compiler and linker flags
    62 INCLUDE="-I$srcdir/include"
    63 if test x$srcdir != x.; then
    64     INCLUDE="-Iinclude $INCLUDE"
    65 elif test -d .hg; then
    66     AC_MSG_ERROR([
    67 *** When building from Mercurial you should configure and build in a
    68     separate directory so you don't clobber SDL_revision.h
    69 ])
    70 fi
    71 case "$host" in
    72     *-*-cygwin*)
    73         # We build SDL on cygwin without the UNIX emulation layer
    74         BASE_CFLAGS="-I/usr/include/mingw -mno-cygwin"
    75         BASE_LDFLAGS="-mno-cygwin"
    76         ;;
    77     *)
    78         BASE_CFLAGS=""
    79         BASE_LDFLAGS=""
    80         ;;
    81 esac
    82 # Uncomment the following line if you want to force SDL and applications
    83 # built with it to be compiled for a particular architecture.
    84 #AX_GCC_ARCHFLAG([no], [BASE_CFLAGS="$BASE_CFLAGS $ax_cv_gcc_archflag]")
    85 BUILD_CFLAGS="$CFLAGS $CPPFLAGS -DGENERATED_CONFIG_H"
    86 # The default optimization for SDL 1.3 is -O3 (Bug #31)
    87 if test x$orig_CFLAGS = x; then
    88     BUILD_CFLAGS=`echo $BUILD_CFLAGS | sed 's/-O2/-O3/'`
    89 fi
    90 EXTRA_CFLAGS="$INCLUDE $BASE_CFLAGS"
    91 BUILD_LDFLAGS="$LDFLAGS"
    92 EXTRA_LDFLAGS="$BASE_LDFLAGS"
    93 ## These are common directories to find software packages
    94 #for path in /usr/freeware /usr/pkg /usr/X11R6 /usr/local; do
    95 #    if test -d $path/include; then
    96 #        EXTRA_CFLAGS="$EXTRA_CFLAGS -I$path/include"
    97 #    fi
    98 #    if test -d $path/lib; then
    99 #        EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L$path/lib"
   100 #    fi
   101 #done
   102 SDL_CFLAGS="$BASE_CFLAGS"
   103 SDL_LIBS="-lSDL $BASE_LDFLAGS"
   104 CPPFLAGS="$CPPFLAGS $EXTRA_CFLAGS"
   105 CFLAGS="$CFLAGS $EXTRA_CFLAGS"
   106 LDFLAGS="$LDFLAGS $EXTRA_LDFLAGS"
   107 
   108 dnl set this to use on systems that use lib64 instead of lib
   109 base_libdir=`echo \${libdir} | sed 's/.*\/\(.*\)/\1/; q'`
   110 
   111 dnl Function to find a library in the compiler search path
   112 find_lib()
   113 {
   114     gcc_bin_path=[`$CC -print-search-dirs 2>/dev/null | fgrep programs: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
   115     gcc_lib_path=[`$CC -print-search-dirs 2>/dev/null | fgrep libraries: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
   116     env_lib_path=[`echo $LIBS $LDFLAGS $* | sed 's/-L[ ]*//g'`]
   117     if test "$cross_compiling" = yes; then
   118         host_lib_path=""
   119     else
   120         host_lib_path="/usr/$base_libdir /usr/local/$base_libdir"
   121     fi
   122     for path in $gcc_bin_path $gcc_lib_path $env_lib_path $host_lib_path; do
   123         lib=[`ls -- $path/$1 2>/dev/null | sort | sed 's/.*\/\(.*\)/\1/; q'`]
   124         if test x$lib != x; then
   125             echo $lib
   126             return
   127         fi
   128     done
   129 }
   130 
   131 dnl Check for compiler characteristics
   132 AC_C_CONST
   133 AC_C_INLINE
   134 AC_C_VOLATILE
   135 
   136 dnl See whether we want assertions for debugging/sanity checking SDL itself.
   137 AC_ARG_ENABLE(assertions,
   138 AC_HELP_STRING([--enable-assertions],
   139                [Enable internal sanity checks (auto/disabled/release/enabled/paranoid) [[default=auto]]]),
   140               , enable_assertions=auto)
   141 case "$enable_assertions" in
   142     auto) # Use optimization settings to determine assertion level
   143         ;;
   144     disabled)
   145         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 0, [ ])
   146         ;;
   147     release)
   148         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 1, [ ])
   149         ;;
   150     enabled)
   151         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 2, [ ])
   152         ;;
   153     paranoid)
   154         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 3, [ ])
   155         ;;
   156     *)
   157         AC_MSG_ERROR([*** unknown assertion level. stop.])
   158         ;;
   159 esac
   160 
   161 dnl See whether we can use gcc style dependency tracking
   162 AC_ARG_ENABLE(dependency-tracking,
   163 AC_HELP_STRING([--enable-dependency-tracking],
   164                [Use gcc -MMD -MT dependency tracking [[default=yes]]]),
   165               , enable_dependency_tracking=yes)
   166 if test x$enable_dependency_tracking = xyes; then
   167     have_gcc_mmd_mt=no
   168     AC_MSG_CHECKING(for GCC -MMD -MT option)
   169     AC_TRY_COMPILE([
   170     #if !defined(__GNUC__) || __GNUC__ < 3
   171     #error Dependency tracking requires GCC 3.0 or newer
   172     #endif
   173     ],[
   174     ],[
   175     have_gcc_mmd_mt=yes
   176     ])
   177     AC_MSG_RESULT($have_gcc_mmd_mt)
   178 
   179     if test x$have_gcc_mmd_mt = xyes; then
   180         DEPENDENCY_TRACKING_OPTIONS="-MMD -MT \$@"
   181     fi
   182 fi
   183 
   184 dnl See whether we are allowed to use the system C library
   185 AC_ARG_ENABLE(libc,
   186 AC_HELP_STRING([--enable-libc], [Use the system C library [[default=yes]]]),
   187               , enable_libc=yes)
   188 if test x$enable_libc = xyes; then
   189     AC_DEFINE(HAVE_LIBC, 1, [ ])
   190 
   191     dnl Check for C library headers
   192     AC_HEADER_STDC
   193     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)
   194 
   195     dnl Check for typedefs, structures, etc.
   196     AC_TYPE_SIZE_T
   197 
   198     dnl Check for defines
   199     AC_CHECK_DEFINE(M_PI, math.h)
   200 
   201     dnl Checks for library functions.
   202     case "$host" in
   203     *-*-cygwin* | *-*-mingw32*)
   204         ;;
   205     *)
   206         AC_FUNC_ALLOCA
   207         ;;
   208     esac
   209 
   210     AC_FUNC_MEMCMP
   211     if test x$ac_cv_func_memcmp_working = xyes; then
   212         AC_DEFINE(HAVE_MEMCMP, 1, [ ])
   213     fi
   214     AC_FUNC_STRTOD
   215     if test x$ac_cv_func_strtod = xyes; then
   216         AC_DEFINE(HAVE_STRTOD, 1, [ ])
   217     fi
   218     AC_CHECK_FUNC(mprotect,
   219         AC_TRY_COMPILE([
   220           #include <sys/types.h>
   221           #include <sys/mman.h>
   222         ],[
   223         ],[
   224         AC_DEFINE(HAVE_MPROTECT, 1, [ ])
   225         ]),
   226     )
   227     AC_CHECK_FUNCS(malloc calloc realloc free getenv setenv putenv unsetenv qsort abs bcopy memset memcpy memmove strlen strlcpy strlcat strdup _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp sscanf snprintf vsnprintf sigaction setjmp nanosleep sysconf sysctlbyname)
   228 
   229     AC_CHECK_LIB(m, pow, [LIBS="$LIBS -lm"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm"])
   230     AC_CHECK_FUNCS(atan atan2 ceil copysign cos cosf fabs floor log pow scalbn sin sinf sqrt)
   231 
   232     AC_CHECK_LIB(iconv, iconv_open, [LIBS="$LIBS -liconv"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -liconv"])
   233     AC_CHECK_FUNCS(iconv)
   234 
   235     AC_CHECK_MEMBER(struct sigaction.sa_sigaction,[AC_DEFINE(HAVE_SA_SIGACTION)], ,[#include <signal.h>])
   236 fi
   237 
   238 AC_CHECK_SIZEOF(void*)
   239 
   240 dnl See whether we can use gcc atomic operations on this architecture
   241 AC_ARG_ENABLE(gcc-atomics,
   242 AC_HELP_STRING([--enable-gcc-atomics],
   243                [Use gcc builtin atomics [[default=yes]]]),
   244               , enable_gcc_atomics=yes)
   245 if test x$enable_gcc_atomics = xyes; then
   246     have_gcc_atomics=no
   247     AC_MSG_CHECKING(for GCC builtin atomic operations)
   248     AC_TRY_LINK([
   249     ],[
   250     int a;
   251     void *x, *y, *z;
   252     __sync_lock_test_and_set(&a, 4);
   253     __sync_lock_test_and_set(&x, y);
   254     __sync_fetch_and_add(&a, 1);
   255     __sync_bool_compare_and_swap(&a, 5, 10);
   256     __sync_bool_compare_and_swap(&x, y, z);
   257     ],[
   258     have_gcc_atomics=yes
   259     ])
   260     AC_MSG_RESULT($have_gcc_atomics)
   261 
   262     if test x$have_gcc_atomics = xyes; then
   263         AC_DEFINE(HAVE_GCC_ATOMICS, 1, [ ])
   264     else
   265         # See if we have the minimum operation needed for GCC atomics
   266         AC_TRY_LINK([
   267         ],[
   268         int a;
   269         __sync_lock_test_and_set(&a, 1);
   270         __sync_lock_release(&a);
   271         ],[
   272         have_gcc_sync_lock_test_and_set=yes
   273         ])
   274         if test x$have_gcc_sync_lock_test_and_set = xyes; then
   275             AC_DEFINE(HAVE_GCC_SYNC_LOCK_TEST_AND_SET, 1, [ ])
   276         fi
   277     fi
   278 fi
   279 
   280 # Standard C sources
   281 SOURCES="$SOURCES $srcdir/src/*.c"
   282 SOURCES="$SOURCES $srcdir/src/atomic/*.c"
   283 SOURCES="$SOURCES $srcdir/src/audio/*.c"
   284 SOURCES="$SOURCES $srcdir/src/cpuinfo/*.c"
   285 SOURCES="$SOURCES $srcdir/src/events/*.c"
   286 SOURCES="$SOURCES $srcdir/src/file/*.c"
   287 SOURCES="$SOURCES $srcdir/src/render/*.c"
   288 SOURCES="$SOURCES $srcdir/src/render/*/*.c"
   289 SOURCES="$SOURCES $srcdir/src/stdlib/*.c"
   290 SOURCES="$SOURCES $srcdir/src/thread/*.c"
   291 SOURCES="$SOURCES $srcdir/src/timer/*.c"
   292 SOURCES="$SOURCES $srcdir/src/video/*.c"
   293 
   294 dnl Enable/disable various subsystems of the SDL library
   295 
   296 AC_ARG_ENABLE(atomic,
   297 AC_HELP_STRING([--enable-atomic], [Enable the atomic operations subsystem [[default=yes]]]),
   298               , enable_atomic=yes)
   299 if test x$enable_atomic != xyes; then
   300     AC_DEFINE(SDL_ATOMIC_DISABLED, 1, [ ])
   301 fi
   302 AC_ARG_ENABLE(audio,
   303 AC_HELP_STRING([--enable-audio], [Enable the audio subsystem [[default=yes]]]),
   304               , enable_audio=yes)
   305 if test x$enable_audio != xyes; then
   306     AC_DEFINE(SDL_AUDIO_DISABLED, 1, [ ])
   307 fi
   308 AC_ARG_ENABLE(video,
   309 AC_HELP_STRING([--enable-video], [Enable the video subsystem [[default=yes]]]),
   310               , enable_video=yes)
   311 if test x$enable_video != xyes; then
   312     AC_DEFINE(SDL_VIDEO_DISABLED, 1, [ ])
   313 fi
   314 AC_ARG_ENABLE(render,
   315 AC_HELP_STRING([--enable-render], [Enable the render subsystem [[default=yes]]]),
   316               , enable_render=yes)
   317 if test x$enable_render != xyes; then
   318     AC_DEFINE(SDL_RENDER_DISABLED, 1, [ ])
   319 fi
   320 AC_ARG_ENABLE(events,
   321 AC_HELP_STRING([--enable-events], [Enable the events subsystem [[default=yes]]]),
   322               , enable_events=yes)
   323 if test x$enable_events != xyes; then
   324     AC_DEFINE(SDL_EVENTS_DISABLED, 1, [ ])
   325 fi
   326 AC_ARG_ENABLE(joystick,
   327 AC_HELP_STRING([--enable-joystick], [Enable the joystick subsystem [[default=yes]]]),
   328               , enable_joystick=yes)
   329 if test x$enable_joystick != xyes; then
   330     AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
   331 else
   332     SOURCES="$SOURCES $srcdir/src/joystick/*.c"
   333 fi
   334 AC_ARG_ENABLE(haptic,
   335 AC_HELP_STRING([--enable-haptic], [Enable the haptic (force feedback) subsystem [[default=yes]]]),
   336               , enable_haptic=yes)
   337 if test x$enable_haptic != xyes; then
   338     AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
   339 else
   340     SOURCES="$SOURCES $srcdir/src/haptic/*.c"
   341 fi
   342 AC_ARG_ENABLE(power,
   343 AC_HELP_STRING([--enable-power], [Enable the power subsystem [[default=yes]]]),
   344               , enable_power=yes)
   345 if test x$enable_power != xyes; then
   346     AC_DEFINE(SDL_POWER_DISABLED, 1, [ ])
   347 else
   348     SOURCES="$SOURCES $srcdir/src/power/*.c"
   349 fi
   350 AC_ARG_ENABLE(threads,
   351 AC_HELP_STRING([--enable-threads], [Enable the threading subsystem [[default=yes]]]),
   352               , enable_threads=yes)
   353 if test x$enable_threads != xyes; then
   354     AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
   355 fi
   356 AC_ARG_ENABLE(timers,
   357 AC_HELP_STRING([--enable-timers], [Enable the timer subsystem [[default=yes]]]),
   358               , enable_timers=yes)
   359 if test x$enable_timers != xyes; then
   360     AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
   361 fi
   362 AC_ARG_ENABLE(file,
   363 AC_HELP_STRING([--enable-file], [Enable the file subsystem [[default=yes]]]),
   364               , enable_file=yes)
   365 if test x$enable_file != xyes; then
   366     AC_DEFINE(SDL_FILE_DISABLED, 1, [ ])
   367 fi
   368 AC_ARG_ENABLE(loadso,
   369 AC_HELP_STRING([--enable-loadso], [Enable the shared object loading subsystem [[default=yes]]]),
   370               , enable_loadso=yes)
   371 if test x$enable_loadso != xyes; then
   372     AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
   373 fi
   374 AC_ARG_ENABLE(cpuinfo,
   375 AC_HELP_STRING([--enable-cpuinfo], [Enable the cpuinfo subsystem [[default=yes]]]),
   376               , enable_cpuinfo=yes)
   377 if test x$enable_cpuinfo != xyes; then
   378     AC_DEFINE(SDL_CPUINFO_DISABLED, 1, [ ])
   379 fi
   380 AC_ARG_ENABLE(atomic,
   381 AC_HELP_STRING([--enable-atomic], [Enable the atomic operations [[default=yes]]]),
   382               , enable_atomic=yes)
   383 if test x$enable_atomic != xyes; then
   384     AC_DEFINE(SDL_ATOMIC_DISABLED, 1, [ ])
   385 fi
   386 AC_ARG_ENABLE(assembly,
   387 AC_HELP_STRING([--enable-assembly], [Enable assembly routines [[default=yes]]]),
   388               , enable_assembly=yes)
   389 if test x$enable_assembly = xyes; then
   390     AC_DEFINE(SDL_ASSEMBLY_ROUTINES, 1, [ ])
   391 
   392     # Make sure that we don't generate floating point code that would
   393     # cause illegal instruction exceptions on older processors
   394     case "$host" in
   395         *-*-darwin*)
   396             # Don't need to worry about Apple hardware, it's all SSE capable
   397             default_ssemath=yes
   398             ;;
   399         *64-*-*)
   400             # x86 64-bit architectures all have SSE instructions
   401             default_ssemath=yes
   402             ;;
   403         *)
   404             default_ssemath=no
   405             ;;
   406     esac
   407     AC_ARG_ENABLE(ssemath,
   408 AC_HELP_STRING([--enable-ssemath], [Allow GCC to use SSE floating point math [[default=no]]]),
   409                   , enable_ssemath=$default_ssemath)
   410     if test x$enable_ssemath = xno; then
   411         if test x$have_gcc_sse = xyes -o x$have_gcc_sse2 = xyes; then
   412             EXTRA_CFLAGS="$EXTRA_CFLAGS -mfpmath=387"
   413         fi
   414     fi
   415 
   416     dnl Check for various instruction support
   417     AC_ARG_ENABLE(mmx,
   418 AC_HELP_STRING([--enable-mmx], [use MMX assembly routines [[default=yes]]]),
   419                   , enable_mmx=yes)
   420     if test x$enable_mmx = xyes; then
   421         save_CFLAGS="$CFLAGS"
   422         have_gcc_mmx=no
   423         AC_MSG_CHECKING(for GCC -mmmx option)
   424         mmx_CFLAGS="-mmmx"
   425         CFLAGS="$save_CFLAGS $mmx_CFLAGS"
   426 
   427         AC_TRY_COMPILE([
   428         #ifdef __MINGW32__
   429         #include <_mingw.h>
   430         #ifdef __MINGW64_VERSION_MAJOR
   431         #include <intrin.h>
   432         #else
   433         #include <mmintrin.h>
   434         #endif
   435         #else
   436         #include <mmintrin.h>
   437         #endif
   438         #ifndef __MMX__
   439         #error Assembler CPP flag not enabled
   440         #endif
   441         ],[
   442         ],[
   443         have_gcc_mmx=yes
   444         ])
   445         AC_MSG_RESULT($have_gcc_mmx)
   446         CFLAGS="$save_CFLAGS"
   447 
   448         if test x$have_gcc_mmx = xyes; then
   449             EXTRA_CFLAGS="$EXTRA_CFLAGS $mmx_CFLAGS"
   450         fi
   451     fi
   452 
   453     AC_ARG_ENABLE(3dnow,
   454 AC_HELP_STRING([--enable-3dnow], [use MMX assembly routines [[default=yes]]]),
   455                   , enable_3dnow=yes)
   456     if test x$enable_3dnow = xyes; then
   457         save_CFLAGS="$CFLAGS"
   458         have_gcc_3dnow=no
   459         AC_MSG_CHECKING(for GCC -m3dnow option)
   460         amd3dnow_CFLAGS="-m3dnow"
   461         CFLAGS="$save_CFLAGS $amd3dnow_CFLAGS"
   462 
   463         AC_TRY_COMPILE([
   464         #include <mm3dnow.h>
   465         #ifndef __3dNOW__
   466         #error Assembler CPP flag not enabled
   467         #endif
   468         ],[
   469         ],[
   470         have_gcc_3dnow=yes
   471         ])
   472         AC_MSG_RESULT($have_gcc_3dnow)
   473         CFLAGS="$save_CFLAGS"
   474 
   475         if test x$have_gcc_3dnow = xyes; then
   476             EXTRA_CFLAGS="$EXTRA_CFLAGS $amd3dnow_CFLAGS"
   477         fi
   478     fi
   479 
   480     AC_ARG_ENABLE(sse,
   481 AC_HELP_STRING([--enable-sse], [use SSE assembly routines [[default=yes]]]),
   482                   , enable_sse=yes)
   483     if test x$enable_sse = xyes; then
   484         save_CFLAGS="$CFLAGS"
   485         have_gcc_sse=no
   486         AC_MSG_CHECKING(for GCC -msse option)
   487         sse_CFLAGS="-msse"
   488         CFLAGS="$save_CFLAGS $sse_CFLAGS"
   489 
   490         AC_TRY_COMPILE([
   491         #ifdef __MINGW32__
   492         #include <_mingw.h>
   493         #ifdef __MINGW64_VERSION_MAJOR
   494         #include <intrin.h>
   495         #else
   496         #include <xmmintrin.h>
   497         #endif
   498         #else
   499         #include <xmmintrin.h>
   500         #endif
   501         #ifndef __SSE__
   502         #error Assembler CPP flag not enabled
   503         #endif
   504         ],[
   505         ],[
   506         have_gcc_sse=yes
   507         ])
   508         AC_MSG_RESULT($have_gcc_sse)
   509         CFLAGS="$save_CFLAGS"
   510 
   511         if test x$have_gcc_sse = xyes; then
   512             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse_CFLAGS"
   513         fi
   514     fi
   515 
   516     AC_ARG_ENABLE(sse2,
   517 AC_HELP_STRING([--enable-sse2], [use SSE2 assembly routines [[default=no]]]),
   518                   , enable_sse2=$default_ssemath)
   519     if test x$enable_sse2 = xyes; then
   520         save_CFLAGS="$CFLAGS"
   521         have_gcc_sse2=no
   522         AC_MSG_CHECKING(for GCC -msse2 option)
   523         sse2_CFLAGS="-msse2"
   524         CFLAGS="$save_CFLAGS $sse2_CFLAGS"
   525 
   526         AC_TRY_COMPILE([
   527         #ifdef __MINGW32__
   528         #include <_mingw.h>
   529         #ifdef __MINGW64_VERSION_MAJOR
   530         #include <intrin.h>
   531         #else
   532         #include <emmintrin.h>
   533         #endif
   534         #else
   535         #include <emmintrin.h>
   536         #endif
   537         #ifndef __SSE2__
   538         #error Assembler CPP flag not enabled
   539         #endif
   540         ],[
   541         ],[
   542         have_gcc_sse2=yes
   543         ])
   544         AC_MSG_RESULT($have_gcc_sse2)
   545         CFLAGS="$save_CFLAGS"
   546 
   547         if test x$have_gcc_sse2 = xyes; then
   548             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse2_CFLAGS"
   549         fi
   550     fi
   551 
   552     AC_ARG_ENABLE(altivec,
   553 AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]]]),
   554                   , enable_altivec=yes)
   555     if test x$enable_altivec = xyes; then
   556         save_CFLAGS="$CFLAGS"
   557         have_gcc_altivec=no
   558         have_altivec_h_hdr=no
   559         altivec_CFLAGS="-maltivec"
   560         CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   561 
   562         AC_MSG_CHECKING(for Altivec with GCC altivec.h and -maltivec option)
   563         AC_TRY_COMPILE([
   564         #include <altivec.h>
   565         vector unsigned int vzero() {
   566             return vec_splat_u32(0);
   567         }
   568         ],[
   569         ],[
   570         have_gcc_altivec=yes
   571         have_altivec_h_hdr=yes
   572         ])
   573         AC_MSG_RESULT($have_gcc_altivec)
   574 
   575         if test x$have_gcc_altivec = xno; then
   576             AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
   577             AC_TRY_COMPILE([
   578             vector unsigned int vzero() {
   579                 return vec_splat_u32(0);
   580             }
   581             ],[
   582             ],[
   583             have_gcc_altivec=yes
   584             ])
   585             AC_MSG_RESULT($have_gcc_altivec)
   586         fi
   587 
   588         if test x$have_gcc_altivec = xno; then
   589             AC_MSG_CHECKING(for Altivec with GCC altivec.h and -faltivec option)
   590             altivec_CFLAGS="-faltivec"
   591             CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   592             AC_TRY_COMPILE([
   593             #include <altivec.h>
   594             vector unsigned int vzero() {
   595                 return vec_splat_u32(0);
   596             }
   597             ],[
   598             ],[
   599             have_gcc_altivec=yes
   600             have_altivec_h_hdr=yes
   601             ])
   602             AC_MSG_RESULT($have_gcc_altivec)
   603         fi
   604 
   605         if test x$have_gcc_altivec = xno; then
   606             AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
   607             AC_TRY_COMPILE([
   608             vector unsigned int vzero() {
   609                 return vec_splat_u32(0);
   610             }
   611             ],[
   612             ],[
   613             have_gcc_altivec=yes
   614             ])
   615             AC_MSG_RESULT($have_gcc_altivec)
   616         fi
   617         CFLAGS="$save_CFLAGS"
   618 
   619         if test x$have_gcc_altivec = xyes; then
   620             AC_DEFINE(SDL_ALTIVEC_BLITTERS, 1, [ ])
   621             if test x$have_altivec_h_hdr = xyes; then
   622               AC_DEFINE(HAVE_ALTIVEC_H, 1, [ ])
   623             fi
   624             EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
   625         fi
   626     fi
   627 fi
   628 
   629 dnl See if the OSS audio interface is supported
   630 CheckOSS()
   631 {
   632     AC_ARG_ENABLE(oss,
   633 AC_HELP_STRING([--enable-oss], [support the OSS audio API [[default=yes]]]),
   634                   , enable_oss=yes)
   635     if test x$enable_audio = xyes -a x$enable_oss = xyes; then
   636         AC_MSG_CHECKING(for OSS audio support)
   637         have_oss=no
   638         if test x$have_oss != xyes; then
   639             AC_TRY_COMPILE([
   640               #include <sys/soundcard.h>
   641             ],[
   642               int arg = SNDCTL_DSP_SETFRAGMENT;
   643             ],[
   644             have_oss=yes
   645             ])
   646         fi
   647         if test x$have_oss != xyes; then
   648             AC_TRY_COMPILE([
   649               #include <soundcard.h>
   650             ],[
   651               int arg = SNDCTL_DSP_SETFRAGMENT;
   652             ],[
   653             have_oss=yes
   654             AC_DEFINE(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H, 1, [ ])
   655             ])
   656         fi
   657         AC_MSG_RESULT($have_oss)
   658         if test x$have_oss = xyes; then
   659             AC_DEFINE(SDL_AUDIO_DRIVER_OSS, 1, [ ])
   660             SOURCES="$SOURCES $srcdir/src/audio/dsp/*.c"
   661             have_audio=yes
   662 
   663             # We may need to link with ossaudio emulation library
   664             case "$host" in
   665                 *-*-openbsd*|*-*-netbsd*)
   666                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lossaudio";;
   667             esac
   668         fi
   669     fi
   670 }
   671 
   672 dnl See if the ALSA audio interface is supported
   673 CheckALSA()
   674 {
   675     AC_ARG_ENABLE(alsa,
   676 AC_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),
   677                   , enable_alsa=yes)
   678     if test x$enable_audio = xyes -a x$enable_alsa = xyes; then
   679         AM_PATH_ALSA(0.9.0, have_alsa=yes, have_alsa=no)
   680         # Restore all flags from before the ALSA detection runs
   681         CFLAGS="$alsa_save_CFLAGS"
   682         LDFLAGS="$alsa_save_LDFLAGS"
   683         LIBS="$alsa_save_LIBS"
   684         if test x$have_alsa = xyes; then
   685             AC_ARG_ENABLE(alsa-shared,
   686 AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
   687                           , enable_alsa_shared=yes)
   688             alsa_lib=[`find_lib "libasound.so.*" "$ALSA_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   689 
   690             AC_DEFINE(SDL_AUDIO_DRIVER_ALSA, 1, [ ])
   691             SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c"
   692             EXTRA_CFLAGS="$EXTRA_CFLAGS $ALSA_CFLAGS"
   693             if test x$have_loadso != xyes && \
   694                test x$enable_alsa_shared = xyes; then
   695                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading])
   696             fi
   697             if test x$have_loadso = xyes && \
   698                test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then
   699                 echo "-- dynamic libasound -> $alsa_lib"
   700                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ALSA_DYNAMIC, "$alsa_lib", [ ])
   701             else
   702                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ALSA_LIBS"
   703             fi
   704             have_audio=yes
   705         fi
   706     fi
   707 }
   708 
   709 dnl Find the ESD includes and libraries
   710 CheckESD()
   711 {
   712     AC_ARG_ENABLE(esd,
   713 AC_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),
   714                   , enable_esd=yes)
   715     if test x$enable_audio = xyes -a x$enable_esd = xyes; then
   716         AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no)
   717         if test x$have_esd = xyes; then
   718             AC_ARG_ENABLE(esd-shared,
   719 AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
   720                           , enable_esd_shared=yes)
   721             esd_lib=[`find_lib "libesd.so.*" "$ESD_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   722 
   723             AC_DEFINE(SDL_AUDIO_DRIVER_ESD, 1, [ ])
   724             SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"
   725             EXTRA_CFLAGS="$EXTRA_CFLAGS $ESD_CFLAGS"
   726             if test x$have_loadso != xyes && \
   727                test x$enable_esd_shared = xyes; then
   728                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading])
   729             fi
   730             if test x$have_loadso = xyes && \
   731                test x$enable_esd_shared = xyes && test x$esd_lib != x; then
   732                 echo "-- dynamic libesd -> $esd_lib"
   733                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib", [ ])
   734             else
   735                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ESD_LIBS"
   736             fi
   737             have_audio=yes
   738         fi
   739     fi
   740 }
   741 
   742 dnl Find PulseAudio
   743 CheckPulseAudio()
   744 {
   745     AC_ARG_ENABLE(pulseaudio,
   746 AC_HELP_STRING([--enable-pulseaudio], [use PulseAudio [[default=yes]]]),
   747                   , enable_pulseaudio=yes)
   748     if test x$enable_audio = xyes -a x$enable_pulseaudio = xyes; then
   749         audio_pulseaudio=no
   750 
   751         PULSEAUDIO_REQUIRED_VERSION=0.9
   752 
   753         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
   754         AC_MSG_CHECKING(for PulseAudio $PULSEAUDIO_REQUIRED_VERSION support)
   755         if test x$PKG_CONFIG != xno; then
   756         if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $PULSEAUDIO_REQUIRED_VERSION libpulse-simple; then
   757                 PULSEAUDIO_CFLAGS=`$PKG_CONFIG --cflags libpulse-simple`
   758                 PULSEAUDIO_LIBS=`$PKG_CONFIG --libs libpulse-simple`
   759                 audio_pulseaudio=yes
   760             fi
   761         fi
   762         AC_MSG_RESULT($audio_pulseaudio)
   763 
   764         if test x$audio_pulseaudio = xyes; then
   765             AC_ARG_ENABLE(pulseaudio-shared,
   766 AC_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [[default=yes]]]),
   767                           , enable_pulseaudio_shared=yes)
   768             pulseaudio_lib=[`find_lib "libpulse-simple.so.*" "$PULSEAUDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   769 
   770             AC_DEFINE(SDL_AUDIO_DRIVER_PULSEAUDIO, 1, [ ])
   771             SOURCES="$SOURCES $srcdir/src/audio/pulseaudio/*.c"
   772             EXTRA_CFLAGS="$EXTRA_CFLAGS $PULSEAUDIO_CFLAGS"
   773             if test x$have_loadso != xyes && \
   774                test x$enable_pulseaudio_shared = xyes; then
   775                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic PulseAudio loading])
   776             fi
   777             if test x$have_loadso = xyes && \
   778                test x$enable_pulseaudio_shared = xyes && test x$pulseaudio_lib != x; then
   779                 echo "-- dynamic libpulse-simple -> $pulseaudio_lib"
   780                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC, "$pulseaudio_lib", [ ])
   781             else
   782                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $PULSEAUDIO_LIBS"
   783             fi
   784             have_audio=yes
   785         fi
   786     fi
   787 }
   788 
   789 CheckARTSC()
   790 {
   791     AC_ARG_ENABLE(arts,
   792 AC_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),
   793                   , enable_arts=yes)
   794     if test x$enable_audio = xyes -a x$enable_arts = xyes; then
   795         AC_PATH_PROG(ARTSCONFIG, artsc-config)
   796         if test x$ARTSCONFIG = x -o x$ARTSCONFIG = x'"$ARTSCONFIG"'; then
   797             : # arts isn't installed
   798         else
   799             ARTS_CFLAGS=`$ARTSCONFIG --cflags`
   800             ARTS_LIBS=`$ARTSCONFIG --libs`
   801             AC_MSG_CHECKING(for aRts development environment)
   802             audio_arts=no
   803             save_CFLAGS="$CFLAGS"
   804             CFLAGS="$CFLAGS $ARTS_CFLAGS"
   805             AC_TRY_COMPILE([
   806              #include <artsc.h>
   807             ],[
   808              arts_stream_t stream;
   809             ],[
   810             audio_arts=yes
   811             ])
   812             CFLAGS="$save_CFLAGS"
   813             AC_MSG_RESULT($audio_arts)
   814             if test x$audio_arts = xyes; then
   815                 AC_ARG_ENABLE(arts-shared,
   816 AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
   817                               , enable_arts_shared=yes)
   818                 arts_lib=[`find_lib "libartsc.so.*" "$ARTS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   819 
   820                 AC_DEFINE(SDL_AUDIO_DRIVER_ARTS, 1, [ ])
   821                 SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"
   822                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ARTS_CFLAGS"
   823                 if test x$have_loadso != xyes && \
   824                    test x$enable_arts_shared = xyes; then
   825                     AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading])
   826                 fi
   827                 if test x$have_loadso = xyes && \
   828                    test x$enable_arts_shared = xyes && test x$arts_lib != x; then
   829                     echo "-- dynamic libartsc -> $arts_lib"
   830                     AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib", [ ])
   831                 else
   832                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARTS_LIBS"
   833                 fi
   834                 have_audio=yes
   835             fi
   836         fi
   837     fi
   838 }
   839 
   840 dnl See if the NAS audio interface is supported
   841 CheckNAS()
   842 {
   843     AC_ARG_ENABLE(nas,
   844 AC_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),
   845                   , enable_nas=yes)
   846     if test x$enable_audio = xyes -a x$enable_nas = xyes; then
   847         AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes)
   848         AC_CHECK_LIB(audio, AuOpenServer, have_nas_lib=yes)
   849 
   850         AC_MSG_CHECKING(for NAS audio support)
   851         have_nas=no
   852 
   853         if test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then
   854             have_nas=yes
   855             NAS_LIBS="-laudio"
   856 
   857         elif test -r /usr/X11R6/include/audio/audiolib.h; then
   858             have_nas=yes
   859             NAS_CFLAGS="-I/usr/X11R6/include/"
   860             NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"
   861 
   862         fi
   863 
   864         AC_MSG_RESULT($have_nas)
   865 
   866         if test x$have_nas = xyes; then
   867             AC_ARG_ENABLE(nas-shared,
   868 AC_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [[default=yes]]]),
   869                           , enable_nas_shared=yes)
   870             nas_lib=[`find_lib "libaudio.so.*" "$NAS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   871 
   872             if test x$have_loadso != xyes && \
   873                test x$enable_nas_shared = xyes; then
   874                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic NAS loading])
   875             fi
   876             if test x$have_loadso = xyes && \
   877                test x$enable_nas_shared = xyes && test x$nas_lib != x; then
   878                 echo "-- dynamic libaudio -> $nas_lib"
   879                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_NAS_DYNAMIC, "$nas_lib", [ ])
   880             else
   881                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS"
   882             fi
   883 
   884             AC_DEFINE(SDL_AUDIO_DRIVER_NAS, 1, [ ])
   885             SOURCES="$SOURCES $srcdir/src/audio/nas/*.c"
   886             EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS"
   887             have_audio=yes
   888         fi
   889     fi
   890 }
   891 
   892 dnl rcg07142001 See if the user wants the disk writer audio driver...
   893 CheckDiskAudio()
   894 {
   895     AC_ARG_ENABLE(diskaudio,
   896 AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
   897                   , enable_diskaudio=yes)
   898     if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then
   899         AC_DEFINE(SDL_AUDIO_DRIVER_DISK, 1, [ ])
   900         SOURCES="$SOURCES $srcdir/src/audio/disk/*.c"
   901     fi
   902 }
   903 
   904 dnl rcg03142006 See if the user wants the dummy audio driver...
   905 CheckDummyAudio()
   906 {
   907     AC_ARG_ENABLE(dummyaudio,
   908 AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
   909                   , enable_dummyaudio=yes)
   910     if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then
   911         AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY, 1, [ ])
   912         SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c"
   913     fi
   914 }
   915 
   916 dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).
   917 dnl  Details of this flag are here: http://gcc.gnu.org/wiki/Visibility
   918 CheckVisibilityHidden()
   919 {
   920     AC_MSG_CHECKING(for GCC -fvisibility=hidden option)
   921     have_gcc_fvisibility=no
   922 
   923     visibility_CFLAGS="-fvisibility=hidden"
   924     save_CFLAGS="$CFLAGS"
   925     CFLAGS="$save_CFLAGS $visibility_CFLAGS -Werror"
   926     AC_TRY_COMPILE([
   927     #if !defined(__GNUC__) || __GNUC__ < 4
   928     #error SDL only uses visibility attributes in GCC 4 or newer
   929     #endif
   930     ],[
   931     ],[
   932     have_gcc_fvisibility=yes
   933     ])
   934     AC_MSG_RESULT($have_gcc_fvisibility)
   935     CFLAGS="$save_CFLAGS"
   936 
   937     if test x$have_gcc_fvisibility = xyes; then
   938         EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"
   939     fi
   940 }
   941 
   942 dnl See if GCC's -mpreferred-stack-boundary is supported.
   943 dnl  Reference: http://bugzilla.libsdl.org/show_bug.cgi?id=1296
   944 CheckStackBoundary()
   945 {
   946     AC_MSG_CHECKING(for GCC -mpreferred-stack-boundary option)
   947     have_gcc_preferred_stack_boundary=no
   948 
   949     save_CFLAGS="$CFLAGS"
   950     CFLAGS="$save_CFLAGS -mpreferred-stack-boundary=2"
   951     AC_TRY_COMPILE([
   952     int x = 0;
   953     ],[
   954     ],[
   955     have_gcc_preferred_stack_boundary=yes
   956     ])
   957     AC_MSG_RESULT($have_gcc_preferred_stack_boundary)
   958     CFLAGS="$save_CFLAGS"
   959 
   960     if test x$have_gcc_preferred_stack_boundary = xyes; then
   961         EXTRA_CFLAGS="$EXTRA_CFLAGS -mpreferred-stack-boundary=2"
   962     fi
   963 }
   964 
   965 
   966 dnl See if GCC's -Wall is supported.
   967 CheckWarnAll()
   968 {
   969     AC_MSG_CHECKING(for GCC -Wall option)
   970     have_gcc_Wall=no
   971 
   972     save_CFLAGS="$CFLAGS"
   973     CFLAGS="$save_CFLAGS -Wall"
   974     AC_TRY_COMPILE([
   975     int x = 0;
   976     ],[
   977     ],[
   978     have_gcc_Wall=yes
   979     ])
   980     AC_MSG_RESULT($have_gcc_Wall)
   981     CFLAGS="$save_CFLAGS"
   982 
   983     if test x$have_gcc_Wall = xyes; then
   984         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
   985 
   986         dnl Haiku headers use multicharacter constants all over the place. Ignore these warnings when using -Wall.
   987         AC_MSG_CHECKING(for necessary GCC -Wno-multichar option)
   988         need_gcc_Wno_multichar=no
   989         case "$host" in
   990             *-*-beos* | *-*-haiku*)
   991                 need_gcc_Wno_multichar=yes
   992                 ;;
   993         esac
   994         AC_MSG_RESULT($need_gcc_Wno_multichar)
   995         if test x$need_gcc_Wno_multichar = xyes; then
   996             EXTRA_CFLAGS="$EXTRA_CFLAGS -Wno-multichar"
   997         fi
   998     fi
   999 }
  1000 
  1001 
  1002 dnl Find the X11 include and library directories
  1003 CheckX11()
  1004 {
  1005 
  1006 
  1007     AC_ARG_ENABLE(video-x11,
  1008 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
  1009                   , enable_video_x11=yes)
  1010     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
  1011         case "$host" in
  1012             *-*-darwin*)
  1013                 # This isn't necessary for X11, but fixes GLX detection
  1014                 if test "x$x_includes" = xNONE && test "x$x_libraries" = xNONE; then
  1015                     x_includes="/usr/X11R6/include"
  1016                     x_libraries="/usr/X11R6/lib"
  1017                 fi
  1018                 ;;
  1019         esac
  1020         AC_PATH_X
  1021         AC_PATH_XTRA
  1022         if test x$have_x = xyes; then
  1023             # Only allow dynamically loaded X11 if the X11 function pointers
  1024             # will not end up in the global namespace, which causes problems
  1025             # with other libraries calling X11 functions.
  1026             x11_symbols_private=$have_gcc_fvisibility
  1027 
  1028             AC_ARG_ENABLE(x11-shared,
  1029 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
  1030                           , enable_x11_shared=maybe)
  1031 
  1032             case "$host" in
  1033                 *-*-darwin*)
  1034                     x11_symbols_private=yes
  1035                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
  1036                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
  1037                     xcursor_lib='/usr/X11R6/lib/libXcursor.1.dylib'
  1038                     xinerama_lib='/usr/X11R6/lib/libXinerama.1.dylib'
  1039                     xinput_lib='/usr/X11R6/lib/libXi.6.dylib'
  1040                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
  1041                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
  1042                     xss_lib='/usr/X11R6/lib/libXss.1.dylib'
  1043                     xvidmode_lib='/usr/X11R6/lib/libXxf86vm.1.dylib'
  1044                     ;;
  1045                 *)
  1046                     x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1047                     x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1048                     xcursor_lib=[`find_lib "libXcursor.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1049                     xinerama_lib=[`find_lib "libXinerama.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1050                     xinput_lib=[`find_lib "libXi.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1051                     xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1052                     xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1053                     xss_lib=[`find_lib "libXss.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1054                     xvidmode_lib=[`find_lib "libXxf86vm.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1055                     ;;
  1056             esac
  1057 
  1058             if test x$ac_cv_func_shmat != xyes; then
  1059                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
  1060             fi
  1061             CFLAGS="$CFLAGS $X_CFLAGS"
  1062             LDFLAGS="$LDFLAGS $X_LIBS"
  1063 
  1064             AC_DEFINE(SDL_VIDEO_DRIVER_X11, 1, [ ])
  1065             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
  1066             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
  1067 
  1068             if test x$enable_x11_shared = xmaybe; then
  1069                 enable_x11_shared=$x11_symbols_private
  1070             fi
  1071             if test x$have_loadso != xyes && \
  1072                test x$enable_x11_shared = xyes; then
  1073                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
  1074                 enable_x11_shared=no
  1075             fi
  1076             if test x$x11_symbols_private != xyes && \
  1077                test x$enable_x11_shared = xyes; then
  1078                 AC_MSG_WARN([You must have gcc4 (-fvisibility=hidden) for dynamic X11 loading])
  1079                 enable_x11_shared=no
  1080             fi
  1081 
  1082             if test x$have_loadso = xyes && \
  1083                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
  1084                 echo "-- dynamic libX11 -> $x11_lib"
  1085                 echo "-- dynamic libX11ext -> $x11ext_lib"
  1086                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib", [ ])
  1087                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib", [ ])
  1088             else
  1089                 enable_x11_shared=no
  1090                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
  1091             fi
  1092             have_video=yes
  1093 
  1094             AC_ARG_ENABLE(video-x11-xcursor,
  1095 AC_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [[default=yes]]]),
  1096                             , enable_video_x11_xcursor=yes)
  1097             if test x$enable_video_x11_xcursor = xyes; then
  1098                 definitely_enable_video_x11_xcursor=no
  1099                 AC_CHECK_HEADER(X11/Xcursor/Xcursor.h,
  1100                                 have_xcursor_h_hdr=yes,
  1101                                 have_xcursor_h_hdr=no,
  1102                                 [#include <X11/Xlib.h>
  1103                                 ])
  1104                 if test x$have_xcursor_h_hdr = xyes; then
  1105                     if test x$enable_x11_shared = xyes && test x$xcursor_lib != x ; then
  1106                         echo "-- dynamic libXcursor -> $xcursor_lib"
  1107                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR, "$xcursor_lib", [ ])
  1108                         definitely_enable_video_x11_xcursor=yes
  1109                     else
  1110                         AC_CHECK_LIB(Xcursor, XcursorImageCreate, have_xcursor_lib=yes)
  1111                         if test x$have_xcursor_lib = xyes ; then
  1112                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXcursor"
  1113                             definitely_enable_video_x11_xcursor=yes
  1114                         fi
  1115                     fi
  1116                 fi
  1117             fi
  1118             if test x$definitely_enable_video_x11_xcursor = xyes; then
  1119                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XCURSOR, 1, [ ])
  1120             fi
  1121             AC_ARG_ENABLE(video-x11-xinerama,
  1122 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
  1123                             , enable_video_x11_xinerama=yes)
  1124             if test x$enable_video_x11_xinerama = xyes; then
  1125                 definitely_enable_video_x11_xinerama=no
  1126                 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
  1127                                 have_xinerama_h_hdr=yes,
  1128                                 have_xinerama_h_hdr=no,
  1129                                 [#include <X11/Xlib.h>
  1130                                 ])
  1131                 if test x$have_xinerama_h_hdr = xyes; then
  1132                     if test x$enable_x11_shared = xyes && test x$xinerama_lib != x ; then
  1133                         echo "-- dynamic libXinerama -> $xinerama_lib"
  1134                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA, "$xinerama_lib", [ ])
  1135                         definitely_enable_video_x11_xinerama=yes
  1136                     else
  1137                         AC_CHECK_LIB(Xinerama, XineramaQueryExtension, have_xinerama_lib=yes)
  1138                         if test x$have_xinerama_lib = xyes ; then
  1139                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXinerama"
  1140                             definitely_enable_video_x11_xinerama=yes
  1141                         fi
  1142                     fi
  1143                 fi
  1144             fi
  1145             if test x$definitely_enable_video_x11_xinerama = xyes; then
  1146                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA, 1, [ ])
  1147             fi
  1148             AC_ARG_ENABLE(video-x11-xinput,
  1149 AC_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [[default=yes]]]),
  1150                             , enable_video_x11_xinput=yes)
  1151             if test x$enable_video_x11_xinput = xyes; then
  1152                 definitely_enable_video_x11_xinput=no
  1153                 AC_CHECK_HEADER(X11/extensions/XInput.h,
  1154                                 have_xinput_h_hdr=yes,
  1155                                 have_xinput_h_hdr=no,
  1156                                 [#include <X11/Xlib.h>
  1157                                 ])
  1158                 if test x$have_xinput_h_hdr = xyes; then
  1159                     if test x$enable_x11_shared = xyes && test x$xinput_lib != x ; then
  1160                         echo "-- dynamic libXi -> $xinput_lib"
  1161                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT, "$xinput_lib", [ ])
  1162                         definitely_enable_video_x11_xinput=yes
  1163                     else
  1164                         AC_CHECK_LIB(Xi, XOpenDevice, have_xinput_lib=yes)
  1165                         if test x$have_xinput_lib = xyes ; then
  1166                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXi"
  1167                             definitely_enable_video_x11_xinput=yes
  1168                         fi
  1169                     fi
  1170                 fi
  1171             fi
  1172             if test x$definitely_enable_video_x11_xinput = xyes; then
  1173                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT, 1, [ ])
  1174             fi
  1175             AC_ARG_ENABLE(video-x11-xrandr,
  1176 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
  1177                             , enable_video_x11_xrandr=yes)
  1178             if test x$enable_video_x11_xrandr = xyes; then
  1179                 definitely_enable_video_x11_xrandr=no
  1180                 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
  1181                                 have_xrandr_h_hdr=yes,
  1182                                 have_xrandr_h_hdr=no,
  1183                                 [#include <X11/Xlib.h>
  1184                                 ])
  1185                 if test x$have_xrandr_h_hdr = xyes; then
  1186                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
  1187                         echo "-- dynamic libXrandr -> $xrandr_lib"
  1188                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib", [ ])
  1189                         definitely_enable_video_x11_xrandr=yes
  1190                     else
  1191                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
  1192                         if test x$have_xrandr_lib = xyes ; then
  1193                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr"
  1194                             definitely_enable_video_x11_xrandr=yes
  1195                         fi
  1196                     fi
  1197                 fi
  1198             fi
  1199             if test x$definitely_enable_video_x11_xrandr = xyes; then
  1200                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR, 1, [ ])
  1201             fi
  1202             AC_ARG_ENABLE(video-x11-scrnsaver,
  1203 AC_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [[default=yes]]]),
  1204                             , enable_video_x11_scrnsaver=yes)
  1205             if test x$enable_video_x11_scrnsaver = xyes; then
  1206                 AC_CHECK_HEADER(X11/extensions/scrnsaver.h,
  1207                                 have_scrnsaver_h_hdr=yes,
  1208                                 have_scrnsaver_h_hdr=no,
  1209                                 [#include <X11/Xlib.h>
  1210                                 ])
  1211                 if test x$have_scrnsaver_h_hdr = xyes; then
  1212                     if test x$enable_x11_shared = xyes && test x$xss_lib != x ; then
  1213                         echo "-- dynamic libXss -> $xss_lib"
  1214                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS, "$xss_lib", [ ])
  1215                         definitely_enable_video_x11_scrnsaver=yes
  1216                     else
  1217                         AC_CHECK_LIB(Xss, XScreenSaverSuspend, have_xss_lib=yes)
  1218                         if test x$have_xss_lib = xyes ; then
  1219                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXss"
  1220                             definitely_enable_video_x11_scrnsaver=yes
  1221                         fi
  1222                     fi
  1223                 fi
  1224             fi
  1225             if test x$definitely_enable_video_x11_scrnsaver = xyes; then
  1226                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSCRNSAVER, 1, [ ])
  1227             fi
  1228             AC_ARG_ENABLE(video-x11-xshape,
  1229 AC_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [[default=yes]]]),
  1230                             , enable_video_x11_xshape=yes)
  1231             if test x$enable_video_x11_xshape = xyes; then
  1232                 AC_CHECK_HEADER(X11/extensions/shape.h,
  1233                                 have_shape_h_hdr=yes,
  1234                                 have_shape_h_hdr=no,
  1235                                 [#include <X11/Xlib.h>
  1236                                 ])
  1237                 if test x$have_shape_h_hdr = xyes; then
  1238                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSHAPE, 1, [ ])
  1239                 fi
  1240             fi
  1241             AC_ARG_ENABLE(video-x11-vm,
  1242 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
  1243                             , enable_video_x11_vm=yes)
  1244             if test x$enable_video_x11_vm = xyes; then
  1245                 definitely_enable_video_x11_vm=no
  1246                 AC_CHECK_HEADER(X11/extensions/xf86vmode.h,
  1247                                 have_vm_h_hdr=yes,
  1248                                 have_vm_h_hdr=no,
  1249                                 [#include <X11/Xlib.h>
  1250                                 ])
  1251                 if test x$have_vm_h_hdr = xyes; then
  1252                     if test x$enable_x11_shared = xyes && test x$xvidmode_lib != x ; then
  1253                         echo "-- dynamic libXxf86vm -> $xvidmode_lib"
  1254                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE, "$xvidmode_lib", [ ])
  1255                         definitely_enable_video_x11_vm=yes
  1256                     else
  1257                         AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, have_vm_lib=yes)
  1258                         if test x$have_vm_lib = xyes ; then
  1259                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXxf86vm"
  1260                             definitely_enable_video_x11_vm=yes
  1261                         fi
  1262                     fi
  1263                 fi
  1264             fi
  1265             if test x$definitely_enable_video_x11_vm = xyes; then
  1266                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XVIDMODE, 1, [ ])
  1267             fi
  1268         fi
  1269     fi
  1270 }
  1271 
  1272 dnl Set up the BWindow video driver if enabled
  1273 CheckBWINDOW()
  1274 {
  1275     if test x$enable_video = xyes; then
  1276         AC_DEFINE(SDL_VIDEO_DRIVER_BWINDOW, 1, [ ])
  1277         SOURCES="$SOURCES $srcdir/src/video/bwindow/*.cc"
  1278         have_video=yes
  1279     fi
  1280 }
  1281 
  1282 dnl Set up the Cocoa video driver for Mac OS X (but not Darwin)
  1283 CheckCOCOA()
  1284 {
  1285     AC_ARG_ENABLE(video-cocoa,
  1286 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]]),
  1287                   , enable_video_cocoa=yes)
  1288     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  1289         save_CFLAGS="$CFLAGS"
  1290         dnl work around that we don't have Objective-C support in autoconf
  1291         CFLAGS="$CFLAGS -x objective-c"
  1292         AC_MSG_CHECKING(for Cocoa framework)
  1293         have_cocoa=no
  1294         AC_TRY_COMPILE([
  1295           #import <Cocoa/Cocoa.h>
  1296         ],[
  1297         ],[
  1298         have_cocoa=yes
  1299         ])
  1300         AC_MSG_RESULT($have_cocoa)
  1301         CFLAGS="$save_CFLAGS"
  1302         if test x$have_cocoa = xyes; then
  1303             AC_DEFINE(SDL_VIDEO_DRIVER_COCOA, 1, [ ])
  1304             SOURCES="$SOURCES $srcdir/src/video/cocoa/*.m"
  1305             have_video=yes
  1306         fi
  1307     fi
  1308 }
  1309 
  1310 dnl Find DirectFB
  1311 CheckDirectFB()
  1312 {
  1313     AC_ARG_ENABLE(video-directfb,
  1314 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),
  1315                   , enable_video_directfb=no)
  1316     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
  1317         video_directfb=no
  1318 
  1319         DIRECTFB_REQUIRED_VERSION=1.0.0
  1320         AC_PATH_PROGS(DIRECTFBCONFIG, directfb-config, no, [$prefix/bin:$PATH])
  1321         if test x$DIRECTFBCONFIG = xno; then
  1322             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1323             if test x$PKG_CONFIG != xno; then
  1324                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
  1325                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
  1326                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
  1327                     DIRECTFB_PREFIX=`$PKG_CONFIG --variable=prefix directfb`
  1328                     video_directfb=yes
  1329                 fi
  1330             fi
  1331         else
  1332             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
  1333             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1334             set -- `directfb-config --version | sed 's/\./ /g'`
  1335             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1336             if test $HAVE_VERSION -ge $NEED_VERSION; then
  1337                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
  1338                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
  1339                 DIRECTFB_PREFIX=`$DIRECTFBCONFIG --prefix`
  1340                 video_directfb=yes
  1341             fi
  1342         fi
  1343         if test x$video_directfb = xyes; then
  1344             # SuSE 11.1 installs directfb-config without directfb-devel
  1345             save_CPPFLAGS="$CPPFLAGS"
  1346             CPPFLAGS="$CPPFLAGS $DIRECTFB_CFLAGS"
  1347             AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no)
  1348             CPPFLAGS="$save_CPPFLAGS"
  1349             video_directfb=$have_directfb_hdr
  1350         fi
  1351         AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
  1352         AC_MSG_RESULT($video_directfb)
  1353 
  1354         if test x$video_directfb = xyes; then
  1355             AC_ARG_ENABLE(directfb-shared,
  1356 AC_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [[default=yes]]]),
  1357                               , enable_directfb_shared=yes)
  1358 
  1359             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB, 1, [ ])
  1360             AC_DEFINE(SDL_VIDEO_RENDER_DIRECTFB, 1, [ ])
  1361             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
  1362             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
  1363 
  1364             AC_MSG_CHECKING(for directfb dynamic loading support)
  1365             directfb_shared=no
  1366             directfb_lib=[`find_lib "libdirectfb.so.*" "$DIRECTFB_LIBS"`]
  1367             # | sed 's/.*\/\(.*\)/\1/; q'`]
  1368 AC_MSG_WARN("directfb $directfb_lib")
  1369             if test x$have_loadso != xyes && \
  1370                test x$enable_directfb_shared = xyes; then
  1371                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic directfb loading])
  1372             fi
  1373             if test x$have_loadso = xyes && \
  1374                test x$enable_directfb_shared = xyes && test x$directfb_lib != x; then
  1375                 directfb_shared=yes
  1376                 echo "-- $directfb_lib_spec -> $directfb_lib"
  1377                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC, "$directfb_lib", [ ])
  1378             else
  1379                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
  1380             fi
  1381             AC_MSG_RESULT($directfb_shared)
  1382             have_video=yes
  1383         fi
  1384     fi
  1385 }
  1386 
  1387 dnl Find FusionSound
  1388 CheckFusionSound()
  1389 {
  1390     AC_ARG_ENABLE(fusionsound,
  1391 AC_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [[default=no]]]),
  1392                   , enable_fusionsound=no)
  1393     if test x$enable_audio = xyes -a x$enable_fusionsound = xyes; then
  1394         fusionsound=no
  1395 
  1396         FUSIONSOUND_REQUIRED_VERSION=1.1.1
  1397 
  1398         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1399         AC_MSG_CHECKING(for FusionSound $FUSIONSOUND_REQUIRED_VERSION support)
  1400         if test x$PKG_CONFIG != xno; then
  1401             if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $FUSIONSOUND_REQUIRED_VERSION fusionsound; then
  1402                 FUSIONSOUND_CFLAGS=`$PKG_CONFIG --cflags fusionsound`
  1403                 FUSIONSOUND_LIBS=`$PKG_CONFIG --libs fusionsound`
  1404                 fusionsound=yes
  1405             fi
  1406         fi
  1407         AC_MSG_RESULT($fusionsound)
  1408 
  1409         if test x$fusionsound = xyes; then
  1410             AC_DEFINE(SDL_AUDIO_DRIVER_FUSIONSOUND, 1, [ ])
  1411             SOURCES="$SOURCES $srcdir/src/audio/fusionsound/*.c"
  1412             EXTRA_CFLAGS="$EXTRA_CFLAGS $FUSIONSOUND_CFLAGS"
  1413             
  1414             AC_ARG_ENABLE(fusionsound-shared,
  1415 AC_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [[default=yes]]]),
  1416                           , enable_fusionsound_shared=yes)
  1417             fusionsound_shared=no
  1418             AC_MSG_CHECKING(for FusionSound dynamic loading support)
  1419             if test x$have_loadso != xyes && \
  1420                test x$enable_fusionsound_shared = xyes; then
  1421                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic fusionsound loading])
  1422             fi
  1423             if test x$have_loadso = xyes && \
  1424                test x$enable_fusionsound_shared = xyes; then
  1425                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC, "libfusionsound.so", [ ])
  1426                 fusionsound_shared=yes
  1427             else
  1428                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $FUSIONSOUND_LIBS"
  1429             fi
  1430             AC_MSG_RESULT($fusionsound_shared)
  1431             
  1432             have_audio=yes
  1433         fi
  1434     fi
  1435 }
  1436 
  1437 dnl rcg04172001 Set up the Null video driver.
  1438 CheckDummyVideo()
  1439 {
  1440     AC_ARG_ENABLE(video-dummy,
  1441 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
  1442                   , enable_video_dummy=yes)
  1443     if test x$enable_video_dummy = xyes; then
  1444         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ])
  1445         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
  1446         have_video=yes
  1447     fi
  1448 }
  1449 
  1450 dnl Check to see if OpenGL support is desired
  1451 AC_ARG_ENABLE(video-opengl,
  1452 AC_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),
  1453               , enable_video_opengl=yes)
  1454 
  1455 dnl Find OpenGL
  1456 CheckOpenGLX11()
  1457 {
  1458     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1459         AC_MSG_CHECKING(for OpenGL (GLX) support)
  1460         video_opengl=no
  1461         AC_TRY_COMPILE([
  1462          #include <GL/gl.h>
  1463          #include <GL/glx.h>
  1464         ],[
  1465         ],[
  1466         video_opengl=yes
  1467         ])
  1468         AC_MSG_RESULT($video_opengl)
  1469         if test x$video_opengl = xyes; then
  1470             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1471             AC_DEFINE(SDL_VIDEO_OPENGL_GLX, 1, [ ])
  1472             AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  1473         fi
  1474     fi
  1475 }
  1476 
  1477 dnl Check to see if OpenGL ES support is desired
  1478 AC_ARG_ENABLE(video-opengles,
  1479 AC_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [[default=yes]]]),
  1480               , enable_video_opengles=yes)
  1481 
  1482 dnl Find OpenGL ES
  1483 CheckOpenGLESX11()
  1484 {
  1485     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  1486         AC_MSG_CHECKING(for OpenGL ES (EGL) support)
  1487         video_opengles=no
  1488         AC_TRY_COMPILE([
  1489          #include <EGL/egl.h>
  1490         ],[
  1491         ],[
  1492         video_opengles=yes
  1493         ])
  1494         AC_MSG_RESULT($video_opengles)
  1495         if test x$video_opengles = xyes; then
  1496             AC_MSG_CHECKING(for OpenGL ES v1 headers)
  1497             video_opengles_v1=no
  1498             AC_TRY_COMPILE([
  1499              #include <GLES/gl.h>
  1500              #include <GLES/glext.h>
  1501             ],[
  1502             ],[
  1503             video_opengles_v1=yes
  1504             ])
  1505             AC_MSG_RESULT($video_opengles_v1)
  1506             if test x$video_opengles_v1 = xyes; then
  1507                 AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])
  1508                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])
  1509             fi
  1510             AC_MSG_CHECKING(for OpenGL ES v2 headers)
  1511             video_opengles_v2=no
  1512             AC_TRY_COMPILE([
  1513              #include <GLES2/gl2.h>
  1514              #include <GLES2/gl2ext.h>
  1515             ],[
  1516             ],[
  1517             video_opengles_v2=yes
  1518             ])
  1519             AC_MSG_RESULT($video_opengles_v2)
  1520             if test x$video_opengles_v2 = xyes; then
  1521                 AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  1522                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  1523             fi
  1524         fi
  1525     fi
  1526 }
  1527 
  1528 dnl Check for Windows OpenGL
  1529 CheckWINDOWSGL()
  1530 {
  1531     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1532         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1533         AC_DEFINE(SDL_VIDEO_OPENGL_WGL, 1, [ ])
  1534         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  1535     fi
  1536 }
  1537 
  1538 dnl Check for BeOS OpenGL
  1539 CheckBeGL()
  1540 {
  1541     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1542         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1543         AC_DEFINE(SDL_VIDEO_OPENGL_BGL, 1, [ ])
  1544         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  1545         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  1546     fi
  1547 }
  1548 
  1549 dnl Check for MacOS OpenGL
  1550 CheckMacGL()
  1551 {
  1552     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1553         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1554         AC_DEFINE(SDL_VIDEO_OPENGL_CGL, 1, [ ])
  1555         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  1556         case "$host" in
  1557             *-*-darwin*)
  1558                 if test x$enable_video_cocoa = xyes; then
  1559                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGL"
  1560                 fi
  1561         esac
  1562     fi
  1563 }
  1564 
  1565 dnl See if we can use the new unified event interface in Linux 2.4
  1566 CheckInputEvents()
  1567 {
  1568     dnl Check for Linux 2.4 unified input event interface support
  1569     AC_ARG_ENABLE(input-events,
  1570 AC_HELP_STRING([--enable-input-events], [use Linux 2.4 unified input interface [[default=yes]]]),
  1571                   , enable_input_events=yes)
  1572     if test x$enable_input_events = xyes; then
  1573         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
  1574         use_input_events=no
  1575         AC_TRY_COMPILE([
  1576           #include <linux/input.h>
  1577         ],[
  1578           #ifndef EVIOCGNAME
  1579           #error EVIOCGNAME() ioctl not available
  1580           #endif
  1581         ],[
  1582         use_input_events=yes
  1583         ])
  1584         AC_MSG_RESULT($use_input_events)
  1585         if test x$use_input_events = xyes; then
  1586             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])
  1587         fi
  1588     fi
  1589 }
  1590 
  1591 dnl See if we can use the Touchscreen input library
  1592 CheckTslib()
  1593 {
  1594     AC_ARG_ENABLE(input-tslib,
  1595 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
  1596                   , enable_input_tslib=yes)
  1597     if test x$enable_input_tslib = xyes; then
  1598         AC_MSG_CHECKING(for Touchscreen library support)
  1599         enable_input_tslib=no
  1600         AC_TRY_COMPILE([
  1601           #include "tslib.h"
  1602         ],[
  1603         ],[
  1604         enable_input_tslib=yes
  1605         ])
  1606         AC_MSG_RESULT($enable_input_tslib)
  1607         if test x$enable_input_tslib = xyes; then
  1608             AC_DEFINE(SDL_INPUT_TSLIB, 1, [ ])
  1609             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
  1610         fi
  1611     fi
  1612 }
  1613 
  1614 dnl See what type of thread model to use on Linux and Solaris
  1615 CheckPTHREAD()
  1616 {
  1617     dnl Check for pthread support
  1618     AC_ARG_ENABLE(pthreads,
  1619 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
  1620                   , enable_pthreads=yes)
  1621     dnl This is used on Linux for glibc binary compatibility (Doh!)
  1622     AC_ARG_ENABLE(pthread-sem,
  1623 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
  1624                   , enable_pthread_sem=yes)
  1625     case "$host" in
  1626         *-*-linux*|*-*-uclinux*)
  1627             pthread_cflags="-D_REENTRANT"
  1628             pthread_lib="-lpthread"
  1629             ;;
  1630         *-*-bsdi*)
  1631             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  1632             pthread_lib=""
  1633             ;;
  1634         *-*-darwin*)
  1635             pthread_cflags="-D_THREAD_SAFE"
  1636 # causes Carbon.p complaints?
  1637 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  1638             ;;
  1639         *-*-freebsd*|*-*-dragonfly*)
  1640             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  1641             pthread_lib="-pthread"
  1642             ;;
  1643         *-*-netbsd*)
  1644             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  1645             pthread_lib="-lpthread"
  1646             ;;
  1647         *-*-openbsd*)
  1648             pthread_cflags="-D_REENTRANT"
  1649             pthread_lib="-pthread"
  1650             ;;
  1651         *-*-solaris*)
  1652             pthread_cflags="-D_REENTRANT"
  1653             pthread_lib="-lpthread -lposix4"
  1654             ;;
  1655         *-*-sysv5*)
  1656             pthread_cflags="-D_REENTRANT -Kthread"
  1657             pthread_lib=""
  1658             ;;
  1659         *-*-aix*)
  1660             pthread_cflags="-D_REENTRANT -mthreads"
  1661             pthread_lib="-lpthread"
  1662             ;;
  1663         *-*-hpux11*)
  1664             pthread_cflags="-D_REENTRANT"
  1665             pthread_lib="-L/usr/lib -lpthread"
  1666             ;;
  1667         *)
  1668             pthread_cflags="-D_REENTRANT"
  1669             pthread_lib="-lpthread"
  1670             ;;
  1671     esac
  1672     if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then
  1673         # Save the original compiler flags and libraries
  1674         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  1675         # Add the pthread compiler flags and libraries
  1676         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  1677         # Check to see if we have pthread support on this system
  1678         AC_MSG_CHECKING(for pthreads)
  1679         use_pthreads=no
  1680         AC_TRY_LINK([
  1681          #include <pthread.h>
  1682         ],[
  1683          pthread_attr_t type;
  1684          pthread_attr_init(&type);
  1685         ],[
  1686         use_pthreads=yes
  1687         ])
  1688         AC_MSG_RESULT($use_pthreads)
  1689         # Restore the compiler flags and libraries
  1690         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  1691 
  1692         # Do futher testing if we have pthread support...
  1693         if test x$use_pthreads = xyes; then
  1694             AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ])
  1695             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
  1696             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
  1697             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
  1698             SDL_LIBS="$SDL_LIBS $pthread_lib"
  1699 
  1700             # Save the original compiler flags and libraries
  1701             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  1702             # Add the pthread compiler flags and libraries
  1703             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  1704 
  1705             # Check to see if recursive mutexes are available
  1706             AC_MSG_CHECKING(for recursive mutexes)
  1707             has_recursive_mutexes=no
  1708             if test x$has_recursive_mutexes = xno; then
  1709                 AC_TRY_COMPILE([
  1710                   #include <pthread.h>
  1711                 ],[
  1712                   pthread_mutexattr_t attr;
  1713                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
  1714                 ],[
  1715                 has_recursive_mutexes=yes
  1716                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ])
  1717                 ])
  1718             fi
  1719             if test x$has_recursive_mutexes = xno; then
  1720                 AC_TRY_COMPILE([
  1721                   #include <pthread.h>
  1722                 ],[
  1723                   pthread_mutexattr_t attr;
  1724                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
  1725                 ],[
  1726                 has_recursive_mutexes=yes
  1727                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ])
  1728                 ])
  1729             fi
  1730             AC_MSG_RESULT($has_recursive_mutexes)
  1731 
  1732             # Check to see if pthread semaphore support is missing
  1733             if test x$enable_pthread_sem = xyes; then
  1734                 AC_MSG_CHECKING(for pthread semaphores)
  1735                 have_pthread_sem=no
  1736                 AC_TRY_COMPILE([
  1737                   #include <pthread.h>
  1738                   #include <semaphore.h>
  1739                 ],[
  1740                 ],[
  1741                 have_pthread_sem=yes
  1742                 ])
  1743                 AC_MSG_RESULT($have_pthread_sem)
  1744             fi
  1745             if test x$have_pthread_sem = xyes; then
  1746                 AC_MSG_CHECKING(for sem_timedwait)
  1747                 have_sem_timedwait=no
  1748                 AC_TRY_LINK([
  1749                   #include <pthread.h>
  1750                   #include <semaphore.h>
  1751                 ],[
  1752                   sem_timedwait(NULL, NULL);
  1753                 ],[
  1754                 have_sem_timedwait=yes
  1755                 AC_DEFINE(HAVE_SEM_TIMEDWAIT)
  1756                 ])
  1757                 AC_MSG_RESULT($have_sem_timedwait)
  1758             fi
  1759 
  1760             AC_MSG_CHECKING(for pthread_spin_trylock)
  1761             AC_TRY_LINK_FUNC(pthread_spin_trylock, [
  1762               has_pthread_spin_trylock=yes
  1763               AC_DEFINE(HAVE_PTHREAD_SPINLOCK, 1, [ ])
  1764             ],[
  1765               has_pthread_spin_trylock=no
  1766             ])
  1767             AC_MSG_RESULT($has_pthread_spin_trylock)
  1768 
  1769             AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes)
  1770             if test x$have_pthread_np_h = xyes; then
  1771                 AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ])
  1772             fi
  1773 
  1774             # Check to see if pthread naming is available
  1775             AC_MSG_CHECKING(for pthread_setname_np)
  1776             AC_TRY_LINK_FUNC(pthread_setname_np, [
  1777               has_pthread_setname_np=yes
  1778               AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ])
  1779             ],[
  1780               has_pthread_setname_np=no
  1781             ])
  1782             AC_MSG_RESULT($has_pthread_setname_np)
  1783 
  1784             AC_MSG_CHECKING(for pthread_set_name_np)
  1785             AC_TRY_LINK_FUNC(pthread_set_name_np, [
  1786               has_pthread_set_name_np=yes
  1787               AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ])
  1788             ],[
  1789               has_pthread_set_name_np=no
  1790             ])
  1791             AC_MSG_RESULT($has_pthread_set_name_np)
  1792 
  1793             # Restore the compiler flags and libraries
  1794             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  1795 
  1796             # Basic thread creation functions
  1797             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
  1798 
  1799             # Semaphores
  1800             # We can fake these with mutexes and condition variables if necessary
  1801             if test x$have_pthread_sem = xyes; then
  1802                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
  1803             else
  1804                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  1805             fi
  1806 
  1807             # Mutexes
  1808             # We can fake these with semaphores if necessary
  1809             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
  1810 
  1811             # Condition variables
  1812             # We can fake these with semaphores and mutexes if necessary
  1813             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
  1814 
  1815             have_threads=yes
  1816         fi
  1817     fi
  1818 }
  1819 
  1820 dnl Determine whether the compiler can produce Windows executables
  1821 CheckWINDOWS()
  1822 {
  1823     AC_MSG_CHECKING(Windows compiler)
  1824     have_win32_gcc=no
  1825     AC_TRY_COMPILE([
  1826      #include <windows.h>
  1827     ],[
  1828     ],[
  1829     have_win32_gcc=yes
  1830     ])
  1831     AC_MSG_RESULT($have_win32_gcc)
  1832     if test x$have_win32_gcc != xyes; then
  1833        AC_MSG_ERROR([
  1834 *** Your compiler ($CC) does not produce Windows executables!
  1835        ])
  1836     fi
  1837 
  1838     AC_MSG_CHECKING(Windows CE)
  1839     have_wince=no
  1840     AC_TRY_COMPILE([
  1841 #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__)
  1842 #error This is not Windows CE
  1843 #endif
  1844     ],[
  1845     ],[
  1846     have_wince=yes
  1847     ])
  1848     AC_MSG_RESULT($have_wince)
  1849 
  1850     # This fixes Windows stack alignment with newer GCC
  1851     CheckStackBoundary
  1852 }
  1853 
  1854 dnl Find the DirectX includes and libraries
  1855 CheckDIRECTX()
  1856 {
  1857     AC_ARG_ENABLE(directx,
  1858 AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
  1859                   , enable_directx=yes)
  1860     if test x$enable_directx = xyes; then
  1861         AC_CHECK_HEADER(d3d9.h, have_d3d=yes)
  1862         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
  1863         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
  1864         AC_CHECK_HEADER(dinput.h, have_dinput=yes)
  1865         AC_CHECK_HEADER(xaudio2.h, have_xaudio2=yes)
  1866     fi
  1867 }
  1868 
  1869 dnl Check for the dlfcn.h interface for dynamically loading objects
  1870 CheckDLOPEN()
  1871 {
  1872     AC_ARG_ENABLE(sdl-dlopen,
  1873 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
  1874                   , enable_sdl_dlopen=yes)
  1875     if test x$enable_sdl_dlopen = xyes; then
  1876         AC_MSG_CHECKING(for dlopen)
  1877         have_dlopen=no
  1878         AC_TRY_COMPILE([
  1879          #include <dlfcn.h>
  1880         ],[
  1881          #if defined(MAC_OS_X_VERSION_MIN_REQUIRED) && MAC_OS_X_VERSION_MIN_REQUIRED <= 1020
  1882          #error Use dlcompat for Mac OS X 10.2 compatibility
  1883          #endif
  1884         ],[
  1885         have_dlopen=yes
  1886         ])
  1887         AC_MSG_RESULT($have_dlopen)
  1888 
  1889         if test x$have_dlopen = xyes; then
  1890             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
  1891                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
  1892                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
  1893             AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ])
  1894             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
  1895             have_loadso=yes
  1896         fi
  1897     fi
  1898 }
  1899 
  1900 dnl Check for the usbhid(3) library on *BSD
  1901 CheckUSBHID()
  1902 {
  1903     if test x$enable_joystick = xyes; then
  1904         AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
  1905         if test x$have_libusbhid = xyes; then
  1906             AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
  1907             AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
  1908             USB_LIBS="$USB_LIBS -lusbhid"
  1909         else
  1910             AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
  1911             AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
  1912             AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
  1913         fi
  1914             
  1915         save_CFLAGS="$CFLAGS"
  1916         CFLAGS="$CFLAGS $USB_CFLAGS"
  1917 
  1918         AC_MSG_CHECKING(for usbhid)
  1919         have_usbhid=no
  1920         AC_TRY_COMPILE([
  1921           #include <sys/types.h>
  1922           #if defined(HAVE_USB_H)
  1923           #include <usb.h>
  1924           #endif
  1925           #ifdef __DragonFly__
  1926           # include <bus/usb/usb.h>
  1927           # include <bus/usb/usbhid.h>
  1928           #else
  1929           # include <dev/usb/usb.h>
  1930           # include <dev/usb/usbhid.h>
  1931           #endif
  1932           #if defined(HAVE_USBHID_H)
  1933           #include <usbhid.h>
  1934           #elif defined(HAVE_LIBUSB_H)
  1935           #include <libusb.h>
  1936           #elif defined(HAVE_LIBUSBHID_H)
  1937           #include <libusbhid.h>
  1938           #endif
  1939         ],[
  1940           struct report_desc *repdesc;
  1941           struct usb_ctl_report *repbuf;
  1942           hid_kind_t hidkind;
  1943         ],[
  1944         have_usbhid=yes
  1945         ])
  1946         AC_MSG_RESULT($have_usbhid)
  1947 
  1948         if test x$have_usbhid = xyes; then
  1949             AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
  1950             have_usbhid_ucr_data=no
  1951             AC_TRY_COMPILE([
  1952               #include <sys/types.h>
  1953               #if defined(HAVE_USB_H)
  1954               #include <usb.h>
  1955               #endif
  1956               #ifdef __DragonFly__
  1957               # include <bus/usb/usb.h>
  1958               # include <bus/usb/usbhid.h>
  1959               #else
  1960               # include <dev/usb/usb.h>
  1961               # include <dev/usb/usbhid.h>
  1962               #endif
  1963               #if defined(HAVE_USBHID_H)
  1964               #include <usbhid.h>
  1965               #elif defined(HAVE_LIBUSB_H)
  1966               #include <libusb.h>
  1967               #elif defined(HAVE_LIBUSBHID_H)
  1968               #include <libusbhid.h>
  1969               #endif
  1970             ],[
  1971               struct usb_ctl_report buf;
  1972               if (buf.ucr_data) { }
  1973             ],[
  1974             have_usbhid_ucr_data=yes
  1975             ])
  1976             if test x$have_usbhid_ucr_data = xyes; then
  1977                 USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
  1978             fi
  1979             AC_MSG_RESULT($have_usbhid_ucr_data)
  1980             
  1981             AC_MSG_CHECKING(for new usbhid API)
  1982             have_usbhid_new=no
  1983             AC_TRY_COMPILE([
  1984               #include <sys/types.h>
  1985               #if defined(HAVE_USB_H)
  1986               #include <usb.h>
  1987               #endif
  1988               #ifdef __DragonFly__
  1989               #include <bus/usb/usb.h>
  1990               #include <bus/usb/usbhid.h>
  1991               #else
  1992               #include <dev/usb/usb.h>
  1993               #include <dev/usb/usbhid.h>
  1994               #endif
  1995               #if defined(HAVE_USBHID_H)
  1996               #include <usbhid.h>
  1997               #elif defined(HAVE_LIBUSB_H)
  1998               #include <libusb.h>
  1999               #elif defined(HAVE_LIBUSBHID_H)
  2000               #include <libusbhid.h>
  2001               #endif
  2002             ],[
  2003               report_desc_t d;
  2004               hid_start_parse(d, 1, 1);
  2005             ],[
  2006             have_usbhid_new=yes
  2007             ])
  2008             if test x$have_usbhid_new = xyes; then
  2009                 USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
  2010             fi
  2011             AC_MSG_RESULT($have_usbhid_new)
  2012 
  2013             AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
  2014             have_machine_joystick=no
  2015             AC_TRY_COMPILE([
  2016               #include <machine/joystick.h>
  2017             ],[
  2018               struct joystick t;
  2019             ],[
  2020             have_machine_joystick=yes
  2021             ])
  2022             if test x$have_machine_joystick = xyes; then
  2023                 AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H, 1, [ ])
  2024             fi
  2025             AC_MSG_RESULT($have_machine_joystick)
  2026 
  2027             AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ])
  2028             SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
  2029             EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
  2030             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
  2031             have_joystick=yes
  2032         fi
  2033         CFLAGS="$save_CFLAGS"
  2034     fi
  2035 }
  2036 
  2037 dnl Check for clock_gettime()
  2038 CheckClockGettime()
  2039 {
  2040     AC_ARG_ENABLE(clock_gettime,
  2041 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=no]]]),
  2042                   , enable_clock_gettime=no)
  2043     if test x$enable_clock_gettime = xyes; then
  2044         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
  2045         if test x$have_clock_gettime = xyes; then
  2046             AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2047             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
  2048         else
  2049             AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes)
  2050             if test x$have_clock_gettime = xyes; then
  2051                AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2052                EXTRA_LDFLAGS="$EXTRA_LDFLAGS"
  2053             fi
  2054         fi
  2055     fi
  2056 }
  2057 
  2058 dnl Check for a valid linux/version.h
  2059 CheckLinuxVersion()
  2060 {
  2061     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
  2062     if test x$have_linux_version_h = xyes; then
  2063         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
  2064     fi
  2065 }
  2066 
  2067 dnl Check if we want to use RPATH
  2068 CheckRPATH()
  2069 {
  2070     AC_ARG_ENABLE(rpath,
  2071 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
  2072                   , enable_rpath=yes)
  2073 }
  2074 
  2075 dnl Set up the configuration based on the host platform!
  2076 case "$host" in
  2077     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*)
  2078         case "$host" in
  2079             *-*-linux*)         ARCH=linux ;;
  2080             *-*-uclinux*)       ARCH=linux ;;
  2081             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
  2082             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
  2083             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
  2084             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
  2085             *-*-bsdi*)          ARCH=bsdi ;;
  2086             *-*-freebsd*)       ARCH=freebsd ;;
  2087             *-*-dragonfly*)     ARCH=freebsd ;;
  2088             *-*-netbsd*)        ARCH=netbsd ;;
  2089             *-*-openbsd*)       ARCH=openbsd ;;
  2090             *-*-sysv5*)         ARCH=sysv5 ;;
  2091             *-*-solaris*)       ARCH=solaris ;;
  2092             *-*-hpux*)          ARCH=hpux ;;
  2093             *-*-aix*)           ARCH=aix ;;
  2094             *-*-minix*)         ARCH=minix ;;
  2095         esac
  2096         CheckVisibilityHidden
  2097         CheckDummyVideo
  2098         CheckDiskAudio
  2099         CheckDummyAudio
  2100         CheckDLOPEN
  2101         CheckOSS
  2102         CheckALSA
  2103         CheckPulseAudio
  2104         CheckARTSC
  2105         CheckESD
  2106         CheckNAS
  2107         CheckX11
  2108         CheckDirectFB
  2109         CheckFusionSound
  2110         CheckOpenGLX11
  2111         CheckOpenGLESX11
  2112         CheckInputEvents
  2113         CheckTslib
  2114         CheckUSBHID
  2115         CheckPTHREAD
  2116         CheckClockGettime
  2117         CheckLinuxVersion
  2118         CheckRPATH
  2119         # Set up files for the audio library
  2120         if test x$enable_audio = xyes; then
  2121           case $ARCH in
  2122             sysv5|solaris|hpux)
  2123                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ])
  2124                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  2125                 have_audio=yes
  2126             ;;
  2127             netbsd|openbsd)
  2128                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD, 1, [ ])
  2129                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
  2130                 have_audio=yes
  2131             ;;
  2132             aix)
  2133                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ])
  2134                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
  2135                 have_audio=yes
  2136             ;;
  2137           esac
  2138         fi
  2139         # Set up files for the joystick library
  2140         if test x$enable_joystick = xyes; then
  2141           case $ARCH in
  2142             linux)
  2143                 AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ])
  2144                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
  2145                 have_joystick=yes
  2146             ;;
  2147           esac
  2148         fi
  2149         # Set up files for the haptic library
  2150         if test x$enable_haptic = xyes; then
  2151            if test x$use_input_events = xyes; then
  2152              case $ARCH in
  2153                linux)
  2154                    AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ])
  2155                    SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"
  2156                    have_haptic=yes
  2157                ;;
  2158              esac
  2159            fi
  2160         fi
  2161         # Set up files for the power library
  2162         if test x$enable_power = xyes; then
  2163              case $ARCH in
  2164                linux)
  2165                    AC_DEFINE(SDL_POWER_LINUX, 1, [ ])
  2166                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"
  2167                    have_power=yes
  2168                ;;
  2169              esac
  2170         fi
  2171         # Set up files for the timer library
  2172         if test x$enable_timers = xyes; then
  2173             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  2174             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2175             have_timers=yes
  2176         fi
  2177         ;;
  2178     *-wince* | *-mingw32ce)
  2179         ARCH=win32
  2180         CheckDummyVideo
  2181         CheckDiskAudio
  2182         CheckDummyAudio
  2183         CheckWINDOWS
  2184         if test x$enable_video = xyes; then
  2185             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])
  2186             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
  2187             have_video=yes
  2188             AC_ARG_ENABLE(render-d3d,
  2189 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
  2190                                 , enable_render_d3d=yes)
  2191             enable_render_d3d=no
  2192             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
  2193                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])
  2194             fi
  2195         fi
  2196         # Set up files for the audio library
  2197         if test x$enable_audio = xyes; then
  2198             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])
  2199             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"
  2200             if test x$have_dsound = xyes; then
  2201                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])
  2202                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"
  2203             fi
  2204             if test x$have_xaudio2 = xyes; then
  2205                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
  2206                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
  2207             fi
  2208             have_audio=yes
  2209         fi
  2210         # Set up dummy files for the joystick for now
  2211         if test x$enable_joystick = xyes; then
  2212             AC_DEFINE(SDL_JOYSTICK_DUMMY, 1, [ ])
  2213             SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
  2214             have_joystick=yes
  2215         fi
  2216         # Set up files for the thread library
  2217         if test x$enable_threads = xyes; then
  2218             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])
  2219             SOURCES="$SOURCES $srcdir/src/thread/windows/SDL_sysmutex.c"
  2220             SOURCES="$SOURCES $srcdir/src/thread/windows/SDL_syssem.c"
  2221             SOURCES="$SOURCES $srcdir/src/thread/windows/SDL_systhread.c"
  2222             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2223             have_threads=yes
  2224         fi
  2225         # Set up files for the timer library
  2226         if test x$enable_timers = xyes; then
  2227             AC_DEFINE(SDL_TIMER_WINCE, 1, [ ])
  2228             SOURCES="$SOURCES $srcdir/src/timer/wince/*.c"
  2229             have_timers=yes
  2230         fi
  2231         # Set up files for the shared object loading library
  2232         if test x$enable_loadso = xyes; then
  2233             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])
  2234             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"
  2235             have_loadso=yes
  2236         fi
  2237         # Set up the system libraries we need
  2238         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lcoredll -lcommctrl -lmmtimer"
  2239 
  2240 	# mingw32ce library
  2241 	case "$host" in
  2242     	    *-mingw32ce)
  2243     		EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lmingwex"
  2244     		;;
  2245     	    *)
  2246         	;;
  2247 	esac
  2248 
  2249         # The Windows platform requires special setup
  2250         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
  2251         EXTRA_CFLAGS="$EXTRA_CFLAGS -Dmain=SDL_main -D_WIN32_WCE=0x420"
  2252         EXTRA_LDFLAGS="-lSDLmain $EXTRA_LDFLAGS"
  2253         ;;
  2254     *-*-cygwin* | *-*-mingw32*)
  2255         ARCH=win32
  2256         if test "$build" != "$host"; then # cross-compiling
  2257             # Default cross-compile location
  2258             ac_default_prefix=/usr/local/cross-tools/$host
  2259         else
  2260             # Look for the location of the tools and install there
  2261             if test "$BUILD_PREFIX" != ""; then
  2262                 ac_default_prefix=$BUILD_PREFIX
  2263             fi
  2264         fi
  2265         CheckDummyVideo
  2266         CheckDiskAudio
  2267         CheckDummyAudio
  2268         CheckWINDOWS
  2269         CheckWINDOWSGL
  2270         CheckDIRECTX
  2271 
  2272         # Set up the core platform files
  2273         SOURCES="$SOURCES $srcdir/src/core/windows/*.c"
  2274 
  2275         # Set up files for the video library
  2276         if test x$enable_video = xyes; then
  2277             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])
  2278             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
  2279             have_video=yes
  2280             AC_ARG_ENABLE(render-d3d,
  2281 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
  2282                                 , enable_render_d3d=yes)
  2283             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
  2284                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])
  2285             fi
  2286         fi
  2287         # Set up files for the audio library
  2288         if test x$enable_audio = xyes; then
  2289             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])
  2290             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"
  2291             if test x$have_dsound = xyes; then
  2292                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])
  2293                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"
  2294             fi
  2295             if test x$have_xaudio2 = xyes; then
  2296                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
  2297                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
  2298             fi
  2299             have_audio=yes
  2300         fi
  2301         # Set up files for the joystick library
  2302         if test x$enable_joystick = xyes; then
  2303             if test x$have_dinput = xyes; then
  2304                 AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ])
  2305                 SOURCES="$SOURCES $srcdir/src/joystick/windows/SDL_dxjoystick.c"
  2306                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8"
  2307             else
  2308                 AC_DEFINE(SDL_JOYSTICK_WINMM, 1, [ ])
  2309                 SOURCES="$SOURCES $srcdir/src/joystick/windows/SDL_mmjoystick.c"
  2310             fi
  2311             have_joystick=yes
  2312         fi
  2313         if test x$enable_haptic = xyes; then
  2314             if test x$have_dinput = xyes; then
  2315                 AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ])
  2316                 SOURCES="$SOURCES $srcdir/src/haptic/windows/SDL_syshaptic.c"
  2317                 have_haptic=yes
  2318             fi
  2319         fi
  2320         if test x$enable_power = xyes; then
  2321             AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ])
  2322             SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c"
  2323             have_power=yes
  2324         fi
  2325         # Set up files for the thread library
  2326         if test x$enable_threads = xyes; then
  2327             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])
  2328             SOURCES="$SOURCES $srcdir/src/thread/windows/SDL_sysmutex.c"
  2329             SOURCES="$SOURCES $srcdir/src/thread/windows/SDL_syssem.c"
  2330             SOURCES="$SOURCES $srcdir/src/thread/windows/SDL_systhread.c"
  2331             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2332             have_threads=yes
  2333         fi
  2334         # Set up files for the timer library
  2335         if test x$enable_timers = xyes; then
  2336             AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ])
  2337             SOURCES="$SOURCES $srcdir/src/timer/windows/*.c"
  2338             have_timers=yes
  2339         fi
  2340         # Set up files for the shared object loading library
  2341         if test x$enable_loadso = xyes; then
  2342             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])
  2343             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"
  2344             have_loadso=yes
  2345         fi
  2346         # Set up the system libraries we need
  2347         # SDL 1.3 is unicode, and unicows emulates this on Windows 98/ME
  2348         # You can get this here: http://libunicows.sourceforge.net/
  2349         #EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lunicows"
  2350         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lversion -luuid"
  2351         # The Windows platform requires special setup
  2352         VERSION_SOURCES="$srcdir/src/main/windows/*.rc"
  2353         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
  2354         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
  2355         SDL_LIBS="-lmingw32 -lSDLmain $SDL_LIBS -mwindows"
  2356         ;;
  2357     *-*-beos* | *-*-haiku*)
  2358         ARCH=beos
  2359         ac_default_prefix=/boot/develop/tools/gnupro
  2360         CheckDummyVideo
  2361         CheckDiskAudio
  2362         CheckDummyAudio
  2363         CheckBWINDOW
  2364         CheckBeGL
  2365         # Set up files for the audio library
  2366         if test x$enable_audio = xyes; then
  2367             AC_DEFINE(SDL_AUDIO_DRIVER_BEOSAUDIO, 1, [ ])
  2368             SOURCES="$SOURCES $srcdir/src/audio/baudio/*.cc"
  2369             have_audio=yes
  2370         fi
  2371         # Set up files for the joystick library
  2372         if test x$enable_joystick = xyes; then
  2373             AC_DEFINE(SDL_JOYSTICK_BEOS, 1, [ ])
  2374             SOURCES="$SOURCES $srcdir/src/joystick/beos/*.cc"
  2375             have_joystick=yes
  2376         fi
  2377         # Set up files for the thread library
  2378         if test x$enable_threads = xyes; then
  2379             AC_DEFINE(SDL_THREAD_BEOS, 1, [ ])
  2380             SOURCES="$SOURCES $srcdir/src/thread/beos/*.c"
  2381             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_sysmutex.c"
  2382             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2383             have_threads=yes
  2384         fi
  2385         # Set up files for the timer library
  2386         if test x$enable_timers = xyes; then
  2387             AC_DEFINE(SDL_TIMER_BEOS, 1, [ ])
  2388             SOURCES="$SOURCES $srcdir/src/timer/beos/*.c"
  2389             have_timers=yes
  2390         fi
  2391         # Set up files for the shared object loading library
  2392         if test x$enable_loadso = xyes; then
  2393             AC_DEFINE(SDL_LOADSO_BEOS, 1, [ ])
  2394             SOURCES="$SOURCES $srcdir/src/loadso/beos/*.c"
  2395             have_loadso=yes
  2396         fi
  2397         # Set up files for the system power library
  2398         if test x$enable_power = xyes; then
  2399             AC_DEFINE(SDL_POWER_BEOS, 1, [ ])
  2400             SOURCES="$SOURCES $srcdir/src/power/beos/*.c"
  2401             have_power=yes
  2402         fi
  2403         # The BeOS platform requires special setup.
  2404         SOURCES="$srcdir/src/main/beos/*.cc $SOURCES"
  2405         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
  2406         ;;
  2407     *-*-darwin* )
  2408         # This could be either full "Mac OS X", or plain "Darwin" which is
  2409         # just the OS X kernel sans upper layers like Carbon and Cocoa.
  2410         # Next line is broken, and a few files below require Mac OS X (full)
  2411         ARCH=macosx
  2412 
  2413         # Mac OS X builds with both the Carbon and OSX APIs at the moment
  2414         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
  2415         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
  2416 
  2417         CheckVisibilityHidden
  2418         CheckDummyVideo
  2419         CheckDiskAudio
  2420         CheckDummyAudio
  2421         CheckDLOPEN
  2422         CheckCOCOA
  2423         CheckX11
  2424         CheckMacGL
  2425         CheckOpenGLX11
  2426         CheckPTHREAD
  2427 
  2428         # Good optimization on Mac OS X, yes...
  2429         EXTRA_CFLAGS="$EXTRA_CFLAGS -falign-loops=16"
  2430 
  2431         # Need this or things might misbuild on a G3.
  2432         EXTRA_CFLAGS="$EXTRA_CFLAGS -force_cpusubtype_ALL"
  2433 
  2434         # Set up files for the audio library
  2435         if test x$enable_audio = xyes; then
  2436             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
  2437             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  2438             have_audio=yes
  2439         fi
  2440         # Set up files for the joystick library
  2441         if test x$enable_joystick = xyes; then
  2442             AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ])
  2443             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
  2444             have_joystick=yes
  2445         fi
  2446         # Set up files for the haptic library
  2447         if test x$enable_haptic = xyes; then
  2448             AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ])
  2449             SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  2450             have_haptic=yes
  2451             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  2452         fi
  2453         # Set up files for the power library
  2454         if test x$enable_power = xyes; then
  2455             AC_DEFINE(SDL_POWER_MACOSX, 1, [ ])
  2456             SOURCES="$SOURCES $srcdir/src/power/macosx/*.c"
  2457             have_power=yes
  2458         fi
  2459         # Set up files for the timer library
  2460         if test x$enable_timers = xyes; then
  2461             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  2462             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2463             have_timers=yes
  2464         fi
  2465         # Set up additional files for the file library
  2466         if test x$enable_file = xyes; then
  2467             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  2468         fi
  2469         # The Mac OS X platform requires special setup.
  2470         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  2471         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc"
  2472         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
  2473         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
  2474         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
  2475         # If audio is used, add the AudioUnit framework
  2476         if test x$enable_audio = xyes; then
  2477             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit"
  2478         fi
  2479         ;;
  2480     *)
  2481         AC_MSG_ERROR([
  2482 *** Unsupported host:  Please add to configure.in
  2483         ])
  2484         ;;
  2485 esac
  2486 
  2487 dnl Do this on all platforms, after everything else.
  2488 CheckWarnAll
  2489 
  2490 # Verify that we have all the platform specific files we need
  2491 
  2492 if test x$have_joystick != xyes; then
  2493     if test x$enable_joystick = xyes; then
  2494         AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
  2495     fi
  2496     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
  2497 fi
  2498 if test x$have_haptic != xyes; then
  2499     if test x$enable_haptic = xyes; then
  2500         AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
  2501     fi
  2502     SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c"
  2503 fi
  2504 if test x$have_threads != xyes; then
  2505     if test x$enable_threads = xyes; then
  2506         AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
  2507     fi
  2508     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
  2509 fi
  2510 if test x$have_timers != xyes; then
  2511     if test x$enable_timers = xyes; then
  2512         AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
  2513     fi
  2514     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
  2515 fi
  2516 if test x$have_loadso != xyes; then
  2517     if test x$enable_loadso = xyes; then
  2518         AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
  2519     fi
  2520     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
  2521 fi
  2522 if test x$SDLMAIN_SOURCES = x; then
  2523     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
  2524 fi
  2525 
  2526 OBJECTS=`echo $SOURCES`
  2527 DEPENDS=`echo $SOURCES | tr ' ' '\n'`
  2528 for EXT in asm cc m c S; do
  2529     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`
  2530     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\
  2531 \\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
  2532 	\\$(LIBTOOL) --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  2533 done
  2534 
  2535 VERSION_OBJECTS=`echo $VERSION_SOURCES`
  2536 VERSION_DEPENDS=`echo $VERSION_SOURCES`
  2537 VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
  2538 VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\
  2539 \\$(objects)/\\2.o: \\1/\\2.rc\\\\
  2540 	\\$(WINDRES) \\$< \\$@,g"`
  2541 
  2542 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
  2543 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
  2544 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  2545 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  2546 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  2547 	\\$(LIBTOOL) --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  2548 
  2549 # Set runtime shared library paths as needed
  2550 
  2551 if test "x$enable_rpath" = "xyes"; then
  2552   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
  2553     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
  2554   fi
  2555   if test $ARCH = solaris; then
  2556     SDL_RLD_FLAGS="-R\${libdir}"
  2557   fi
  2558 else
  2559   SDL_RLD_FLAGS=""
  2560 fi
  2561 
  2562 case "$ARCH" in
  2563   macosx)
  2564     # Evil hack to allow static linking on Mac OS X
  2565     SDL_STATIC_LIBS="\${libdir}/libSDL.a $EXTRA_LDFLAGS"
  2566     ;;
  2567   *)
  2568     SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
  2569     ;;
  2570 esac
  2571 
  2572 dnl Expand the cflags and libraries needed by apps using SDL
  2573 AC_SUBST(SDL_CFLAGS)
  2574 AC_SUBST(SDL_LIBS)
  2575 AC_SUBST(SDL_STATIC_LIBS)
  2576 AC_SUBST(SDL_RLD_FLAGS)
  2577 if test x$enable_shared = xyes; then
  2578     ENABLE_SHARED_TRUE=
  2579     ENABLE_SHARED_FALSE="#"
  2580 else
  2581     ENABLE_SHARED_TRUE="#"
  2582     ENABLE_SHARED_FALSE=
  2583 fi
  2584 if test x$enable_static = xyes; then
  2585     ENABLE_STATIC_TRUE=
  2586     ENABLE_STATIC_FALSE="#"
  2587 else
  2588     ENABLE_STATIC_TRUE="#"
  2589     ENABLE_STATIC_FALSE=
  2590 fi
  2591 AC_SUBST(ENABLE_SHARED_TRUE)
  2592 AC_SUBST(ENABLE_SHARED_FALSE)
  2593 AC_SUBST(ENABLE_STATIC_TRUE)
  2594 AC_SUBST(ENABLE_STATIC_FALSE)
  2595 
  2596 dnl Expand the sources and objects needed to build the library
  2597 AC_SUBST(ac_aux_dir)
  2598 AC_SUBST(INCLUDE)
  2599 AC_SUBST(OBJECTS)
  2600 AC_SUBST(VERSION_OBJECTS)
  2601 AC_SUBST(SDLMAIN_OBJECTS)
  2602 AC_SUBST(BUILD_CFLAGS)
  2603 AC_SUBST(EXTRA_CFLAGS)
  2604 AC_SUBST(BUILD_LDFLAGS)
  2605 AC_SUBST(EXTRA_LDFLAGS)
  2606 AC_SUBST(WINDRES)
  2607 
  2608 cat >Makefile.rules <<__EOF__
  2609 
  2610 # Build rules for objects
  2611 -include \$(OBJECTS:.lo=.d)
  2612 
  2613 # Special dependency for SDL.c, since it depends on SDL_revision.h
  2614 $srcdir/src/SDL.c: update-revision
  2615 $DEPENDS
  2616 $VERSION_DEPENDS
  2617 $SDLMAIN_DEPENDS
  2618 __EOF__
  2619 
  2620 AC_CONFIG_FILES([
  2621     Makefile:Makefile.in:Makefile.rules sdl-config SDL.spec sdl.pc
  2622 ])
  2623 AC_OUTPUT