configure.in
author Sam Lantinga <slouken@libsdl.org>
Tue, 02 Sep 2014 06:55:47 -0700
changeset 9121 00d99eff96a6
parent 9112 345a7d41dda9
child 9127 a8c38ed1a674
permissions -rw-r--r--
Updated version to 2.0.4
     1 dnl Process this file with autoconf to produce a configure script.
     2 AC_INIT(README.txt)
     3 AC_CONFIG_HEADER(include/SDL_config.h)
     4 AC_CONFIG_AUX_DIR(build-scripts)
     5 AC_CONFIG_MACRO_DIR([acinclude])
     6 
     7 dnl Save the CFLAGS to see whether they were passed in or generated
     8 orig_CFLAGS="$CFLAGS"
     9 
    10 dnl Set various version strings - taken gratefully from the GTk sources
    11 #
    12 # Making releases:
    13 # Edit include/SDL_version.h and change the version, then:
    14 #   SDL_MICRO_VERSION += 1;
    15 #   SDL_INTERFACE_AGE += 1;
    16 #   SDL_BINARY_AGE += 1;
    17 # if any functions have been added, set SDL_INTERFACE_AGE to 0.
    18 # if backwards compatibility has been broken,
    19 # set SDL_BINARY_AGE and SDL_INTERFACE_AGE to 0.
    20 #
    21 SDL_MAJOR_VERSION=2
    22 SDL_MINOR_VERSION=0
    23 SDL_MICRO_VERSION=4
    24 SDL_INTERFACE_AGE=0
    25 SDL_BINARY_AGE=4
    26 SDL_VERSION=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION.$SDL_MICRO_VERSION
    27 
    28 AC_SUBST(SDL_MAJOR_VERSION)
    29 AC_SUBST(SDL_MINOR_VERSION)
    30 AC_SUBST(SDL_MICRO_VERSION)
    31 AC_SUBST(SDL_INTERFACE_AGE)
    32 AC_SUBST(SDL_BINARY_AGE)
    33 AC_SUBST(SDL_VERSION)
    34 
    35 # libtool versioning
    36 LT_INIT([win32-dll])
    37 
    38 LT_RELEASE=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION
    39 LT_CURRENT=`expr $SDL_MICRO_VERSION - $SDL_INTERFACE_AGE`
    40 LT_REVISION=$SDL_INTERFACE_AGE
    41 LT_AGE=`expr $SDL_BINARY_AGE - $SDL_INTERFACE_AGE`
    42 m4_pattern_allow([^LT_])
    43 
    44 AC_SUBST(LT_RELEASE)
    45 AC_SUBST(LT_CURRENT)
    46 AC_SUBST(LT_REVISION)
    47 AC_SUBST(LT_AGE)
    48 
    49 dnl Detect the canonical build and host environments
    50 dnl AC_CANONICAL_HOST
    51 
    52 dnl Check for tools
    53 AC_PROG_LIBTOOL
    54 AC_PROG_CC
    55 AC_PROG_CXX
    56 AC_PROG_INSTALL
    57 AC_PROG_MAKE_SET
    58 AC_CHECK_TOOL(WINDRES, [windres], [:])
    59 
    60 dnl Make sure that srcdir is a full pathname
    61 case "$host" in
    62     *-*-mingw32*)
    63         # Except on msys, where make can't handle full pathnames (bug 1972)
    64         ;;
    65     *)
    66         srcdir=`cd $srcdir && pwd`
    67         ;;
    68 esac
    69 
    70 dnl Set up the compiler and linker flags
    71 INCLUDE="-I$srcdir/include"
    72 if test x$srcdir != x.; then
    73     INCLUDE="-Iinclude $INCLUDE"
    74 elif test -d .hg; then
    75     AC_MSG_ERROR([
    76 *** When building from Mercurial you should configure and build in a
    77     separate directory so you don't clobber SDL_config.h, SDL_revision.h
    78 ])
    79 fi
    80 BASE_CFLAGS=""
    81 BASE_LDFLAGS=""
    82 case "$host" in
    83     *-*-cygwin*)
    84         # We build SDL on cygwin without the UNIX emulation layer
    85         save_CFLAGS="$CFLAGS"
    86         have_no_cygwin=no
    87         AC_MSG_CHECKING(for GCC -mno-cygwin option)
    88         CFLAGS="$save_CFLAGS -mno-cygwin"
    89 
    90         AC_TRY_COMPILE([
    91         ],[
    92         ],[
    93         have_no_cygwin=yes
    94         ])
    95         AC_MSG_RESULT($have_no_cygwin)
    96         CFLAGS="$save_CFLAGS"
    97 
    98         if test x$have_no_cygwin = xyes; then
    99             BASE_CFLAGS="-mno-cygwin"
   100             BASE_LDFLAGS="-mno-cygwin"
   101         fi
   102         BASE_CFLAGS="$BASE_CFLAGS -I/usr/include/mingw"
   103         ;;
   104 esac
   105 # Uncomment the following line if you want to force SDL and applications
   106 # built with it to be compiled for a particular architecture.
   107 #AX_GCC_ARCHFLAG([no], [BASE_CFLAGS="$BASE_CFLAGS $ax_cv_gcc_archflag]")
   108 BUILD_CFLAGS="$CFLAGS $CPPFLAGS -DUSING_GENERATED_CONFIG_H"
   109 # The default optimization for SDL is -O3 (Bug #31)
   110 if test "x$orig_CFLAGS" = x; then
   111     BUILD_CFLAGS=`echo $BUILD_CFLAGS | sed 's/-O2/-O3/'`
   112 fi
   113 EXTRA_CFLAGS="$INCLUDE $BASE_CFLAGS"
   114 BUILD_LDFLAGS="$LDFLAGS"
   115 EXTRA_LDFLAGS="$BASE_LDFLAGS"
   116 ## These are common directories to find software packages
   117 #for path in /usr/freeware /usr/pkg /usr/X11R6 /usr/local; do
   118 #    if test -d $path/include; then
   119 #        EXTRA_CFLAGS="$EXTRA_CFLAGS -I$path/include"
   120 #    fi
   121 #    if test -d $path/lib; then
   122 #        EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L$path/lib"
   123 #    fi
   124 #done
   125 SDL_CFLAGS="$BASE_CFLAGS"
   126 SDL_LIBS="-lSDL2 $BASE_LDFLAGS"
   127 CPPFLAGS="$CPPFLAGS $EXTRA_CFLAGS"
   128 CFLAGS="$CFLAGS $EXTRA_CFLAGS"
   129 LDFLAGS="$LDFLAGS $EXTRA_LDFLAGS"
   130 
   131 dnl set this to use on systems that use lib64 instead of lib
   132 base_libdir=`echo \${libdir} | sed 's/.*\/\(.*\)/\1/; q'`
   133 
   134 dnl Function to find a library in the compiler search path
   135 find_lib()
   136 {
   137     gcc_bin_path=[`$CC -print-search-dirs 2>/dev/null | fgrep programs: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
   138     gcc_lib_path=[`$CC -print-search-dirs 2>/dev/null | fgrep libraries: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
   139     env_lib_path=[`echo $LIBS $LDFLAGS $* | sed 's/-L[ ]*//g'`]
   140     if test "$cross_compiling" = yes; then
   141         host_lib_path=""
   142     else
   143         host_lib_path="/usr/$base_libdir /usr/local/$base_libdir"
   144     fi
   145     for path in $gcc_bin_path $gcc_lib_path $env_lib_path $host_lib_path; do
   146         lib=[`ls -- $path/$1 2>/dev/null | sed -e '/\.so\..*\./d' -e 's,.*/,,' | sort | tail -1`]
   147         if test x$lib != x; then
   148             echo $lib
   149             return
   150         fi
   151     done
   152 }
   153 
   154 dnl Check for compiler characteristics
   155 AC_C_CONST
   156 AC_C_INLINE
   157 AC_C_VOLATILE
   158 
   159 dnl See whether we want assertions for debugging/sanity checking SDL itself.
   160 AC_ARG_ENABLE(assertions,
   161 AC_HELP_STRING([--enable-assertions],
   162                [Enable internal sanity checks (auto/disabled/release/enabled/paranoid) [[default=auto]]]),
   163               , enable_assertions=auto)
   164 case "$enable_assertions" in
   165     auto) # Use optimization settings to determine assertion level
   166         ;;
   167     disabled)
   168         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 0, [ ])
   169         ;;
   170     release)
   171         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 1, [ ])
   172         ;;
   173     enabled)
   174         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 2, [ ])
   175         ;;
   176     paranoid)
   177         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 3, [ ])
   178         ;;
   179     *)
   180         AC_MSG_ERROR([*** unknown assertion level. stop.])
   181         ;;
   182 esac
   183 
   184 dnl See whether we can use gcc style dependency tracking
   185 AC_ARG_ENABLE(dependency-tracking,
   186 AC_HELP_STRING([--enable-dependency-tracking],
   187                [Use gcc -MMD -MT dependency tracking [[default=yes]]]),
   188               , enable_dependency_tracking=yes)
   189 if test x$enable_dependency_tracking = xyes; then
   190     have_gcc_mmd_mt=no
   191     AC_MSG_CHECKING(for GCC -MMD -MT option)
   192     AC_TRY_COMPILE([
   193     #if !defined(__GNUC__) || __GNUC__ < 3
   194     #error Dependency tracking requires GCC 3.0 or newer
   195     #endif
   196     ],[
   197     ],[
   198     have_gcc_mmd_mt=yes
   199     ])
   200     AC_MSG_RESULT($have_gcc_mmd_mt)
   201 
   202     if test x$have_gcc_mmd_mt = xyes; then
   203         DEPENDENCY_TRACKING_OPTIONS="-MMD -MT \$@"
   204     fi
   205 fi
   206 
   207 AC_MSG_CHECKING(for linker option --no-undefined)
   208 have_no_undefined=no
   209 case "$host" in
   210     dnl Skip this on platforms where it is just simply busted.
   211     *-*-openbsd*)
   212         ;;
   213 
   214     *)
   215         save_LDFLAGS="$LDFLAGS"
   216         LDFLAGS="$LDFLAGS -Wl,--no-undefined"
   217         AC_TRY_LINK([
   218         ],[
   219         ],[
   220         have_no_undefined=yes
   221         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,--no-undefined"
   222         ])
   223         LDFLAGS="$save_LDFLAGS"
   224         ;;
   225 esac
   226 AC_MSG_RESULT($have_no_undefined)
   227 
   228 dnl See whether we are allowed to use the system C library
   229 AC_ARG_ENABLE(libc,
   230 AC_HELP_STRING([--enable-libc], [Use the system C library [[default=yes]]]),
   231               , enable_libc=yes)
   232 if test x$enable_libc = xyes; then
   233     AC_DEFINE(HAVE_LIBC, 1, [ ])
   234 
   235     dnl Check for C library headers
   236     AC_HEADER_STDC
   237     AC_CHECK_HEADERS(sys/types.h stdio.h stdlib.h stddef.h stdarg.h malloc.h memory.h string.h strings.h inttypes.h stdint.h ctype.h math.h iconv.h signal.h)
   238 
   239     dnl Check for typedefs, structures, etc.
   240     AC_TYPE_SIZE_T
   241 
   242     dnl Check for defines
   243     AC_CHECK_DEFINE(M_PI, math.h)
   244 
   245     dnl Checks for library functions.
   246     case "$host" in
   247     *-*-cygwin* | *-*-mingw32*)
   248         ;;
   249     *)
   250         AC_FUNC_ALLOCA
   251         ;;
   252     esac
   253 
   254     AC_FUNC_MEMCMP
   255     if test x$ac_cv_func_memcmp_working = xyes; then
   256         AC_DEFINE(HAVE_MEMCMP, 1, [ ])
   257     fi
   258     AC_FUNC_STRTOD
   259     if test x$ac_cv_func_strtod = xyes; then
   260         AC_DEFINE(HAVE_STRTOD, 1, [ ])
   261     fi
   262     AC_CHECK_FUNC(mprotect,
   263         AC_TRY_COMPILE([
   264           #include <sys/types.h>
   265           #include <sys/mman.h>
   266         ],[
   267         ],[
   268         AC_DEFINE(HAVE_MPROTECT, 1, [ ])
   269         ]),
   270     )
   271     AC_CHECK_FUNCS(malloc calloc realloc free getenv setenv putenv unsetenv qsort abs bcopy memset memcpy memmove strlen strlcpy strlcat strdup _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp vsscanf vsnprintf fseeko fseeko64 sigaction setjmp nanosleep sysconf sysctlbyname)
   272 
   273     AC_CHECK_LIB(m, pow, [LIBS="$LIBS -lm"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm"])
   274     AC_CHECK_FUNCS(atan atan2 acos asin ceil copysign cos cosf fabs floor log pow scalbn sin sinf sqrt sqrtf tan tanf)
   275 
   276     AC_CHECK_LIB(iconv, iconv_open, [LIBS="$LIBS -liconv"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -liconv"])
   277     AC_CHECK_FUNCS(iconv)
   278 
   279     AC_CHECK_MEMBER(struct sigaction.sa_sigaction,[AC_DEFINE(HAVE_SA_SIGACTION)], ,[#include <signal.h>])
   280 fi
   281 
   282 dnl AC_CHECK_SIZEOF(void*)
   283 
   284 dnl See whether we can use gcc atomic operations on this architecture
   285 AC_ARG_ENABLE(gcc-atomics,
   286 AC_HELP_STRING([--enable-gcc-atomics],
   287                [Use gcc builtin atomics [[default=yes]]]),
   288               , enable_gcc_atomics=yes)
   289 if test x$enable_gcc_atomics = xyes; then
   290     have_gcc_atomics=no
   291     AC_MSG_CHECKING(for GCC builtin atomic operations)
   292     AC_TRY_LINK([
   293     ],[
   294     int a;
   295     void *x, *y, *z;
   296     __sync_lock_test_and_set(&a, 4);
   297     __sync_lock_test_and_set(&x, y);
   298     __sync_fetch_and_add(&a, 1);
   299     __sync_bool_compare_and_swap(&a, 5, 10);
   300     __sync_bool_compare_and_swap(&x, y, z);
   301     ],[
   302     have_gcc_atomics=yes
   303     ])
   304     AC_MSG_RESULT($have_gcc_atomics)
   305 
   306     if test x$have_gcc_atomics = xyes; then
   307         AC_DEFINE(HAVE_GCC_ATOMICS, 1, [ ])
   308     else
   309         # See if we have the minimum operation needed for GCC atomics
   310         AC_TRY_LINK([
   311         ],[
   312         int a;
   313         __sync_lock_test_and_set(&a, 1);
   314         __sync_lock_release(&a);
   315         ],[
   316         have_gcc_sync_lock_test_and_set=yes
   317         ])
   318         if test x$have_gcc_sync_lock_test_and_set = xyes; then
   319             AC_DEFINE(HAVE_GCC_SYNC_LOCK_TEST_AND_SET, 1, [ ])
   320         fi
   321     fi
   322 fi
   323 
   324 # Standard C sources
   325 SOURCES="$SOURCES $srcdir/src/*.c"
   326 SOURCES="$SOURCES $srcdir/src/atomic/*.c"
   327 SOURCES="$SOURCES $srcdir/src/audio/*.c"
   328 SOURCES="$SOURCES $srcdir/src/cpuinfo/*.c"
   329 SOURCES="$SOURCES $srcdir/src/dynapi/*.c"
   330 SOURCES="$SOURCES $srcdir/src/events/*.c"
   331 SOURCES="$SOURCES $srcdir/src/file/*.c"
   332 SOURCES="$SOURCES $srcdir/src/haptic/*.c"
   333 SOURCES="$SOURCES $srcdir/src/joystick/*.c"
   334 SOURCES="$SOURCES $srcdir/src/libm/*.c"
   335 SOURCES="$SOURCES $srcdir/src/power/*.c"
   336 #SOURCES="$SOURCES $srcdir/src/filesystem/*.c"
   337 SOURCES="$SOURCES $srcdir/src/render/*.c"
   338 SOURCES="$SOURCES $srcdir/src/render/*/*.c"
   339 SOURCES="$SOURCES $srcdir/src/stdlib/*.c"
   340 SOURCES="$SOURCES $srcdir/src/thread/*.c"
   341 SOURCES="$SOURCES $srcdir/src/timer/*.c"
   342 SOURCES="$SOURCES $srcdir/src/video/*.c"
   343 
   344 dnl Enable/disable various subsystems of the SDL library
   345 
   346 AC_ARG_ENABLE(atomic,
   347 AC_HELP_STRING([--enable-atomic], [Enable the atomic operations subsystem [[default=yes]]]),
   348               , enable_atomic=yes)
   349 if test x$enable_atomic != xyes; then
   350     AC_DEFINE(SDL_ATOMIC_DISABLED, 1, [ ])
   351 else
   352     SUMMARY_modules="${SUMMARY_modules} atomic"
   353 fi
   354 AC_ARG_ENABLE(audio,
   355 AC_HELP_STRING([--enable-audio], [Enable the audio subsystem [[default=yes]]]),
   356               , enable_audio=yes)
   357 if test x$enable_audio != xyes; then
   358     AC_DEFINE(SDL_AUDIO_DISABLED, 1, [ ])
   359 else
   360     SUMMARY_modules="${SUMMARY_modules} audio"
   361 fi
   362 AC_ARG_ENABLE(video,
   363 AC_HELP_STRING([--enable-video], [Enable the video subsystem [[default=yes]]]),
   364               , enable_video=yes)
   365 if test x$enable_video != xyes; then
   366     AC_DEFINE(SDL_VIDEO_DISABLED, 1, [ ])
   367 else
   368     SUMMARY_modules="${SUMMARY_modules} video"
   369 fi
   370 AC_ARG_ENABLE(render,
   371 AC_HELP_STRING([--enable-render], [Enable the render subsystem [[default=yes]]]),
   372               , enable_render=yes)
   373 if test x$enable_render != xyes; then
   374     AC_DEFINE(SDL_RENDER_DISABLED, 1, [ ])
   375 else
   376     SUMMARY_modules="${SUMMARY_modules} render"
   377 fi
   378 AC_ARG_ENABLE(events,
   379 AC_HELP_STRING([--enable-events], [Enable the events subsystem [[default=yes]]]),
   380               , enable_events=yes)
   381 if test x$enable_events != xyes; then
   382     AC_DEFINE(SDL_EVENTS_DISABLED, 1, [ ])
   383 else
   384     SUMMARY_modules="${SUMMARY_modules} events"
   385 fi
   386 AC_ARG_ENABLE(joystick,
   387 AC_HELP_STRING([--enable-joystick], [Enable the joystick subsystem [[default=yes]]]),
   388               , enable_joystick=yes)
   389 if test x$enable_joystick != xyes; then
   390     AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
   391 else
   392     SUMMARY_modules="${SUMMARY_modules} joystick"
   393 fi
   394 AC_ARG_ENABLE(haptic,
   395 AC_HELP_STRING([--enable-haptic], [Enable the haptic (force feedback) subsystem [[default=yes]]]),
   396               , enable_haptic=yes)
   397 if test x$enable_haptic != xyes; then
   398     AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
   399 else
   400     SUMMARY_modules="${SUMMARY_modules} haptic"
   401 fi
   402 AC_ARG_ENABLE(power,
   403 AC_HELP_STRING([--enable-power], [Enable the power subsystem [[default=yes]]]),
   404               , enable_power=yes)
   405 if test x$enable_power != xyes; then
   406     AC_DEFINE(SDL_POWER_DISABLED, 1, [ ])
   407 else
   408     SUMMARY_modules="${SUMMARY_modules} power"
   409 fi
   410 AC_ARG_ENABLE(filesystem,
   411 AC_HELP_STRING([--enable-filesystem], [Enable the filesystem subsystem [[default=yes]]]),
   412               , enable_filesystem=yes)
   413 if test x$enable_filesystem != xyes; then
   414     AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
   415 else
   416     SUMMARY_modules="${SUMMARY_modules} filesystem"
   417 fi
   418 AC_ARG_ENABLE(threads,
   419 AC_HELP_STRING([--enable-threads], [Enable the threading subsystem [[default=yes]]]),
   420               , enable_threads=yes)
   421 if test x$enable_threads != xyes; then
   422     AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
   423 else
   424     SUMMARY_modules="${SUMMARY_modules} threads"
   425 fi
   426 AC_ARG_ENABLE(timers,
   427 AC_HELP_STRING([--enable-timers], [Enable the timer subsystem [[default=yes]]]),
   428               , enable_timers=yes)
   429 if test x$enable_timers != xyes; then
   430     AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
   431 else
   432     SUMMARY_modules="${SUMMARY_modules} timers"
   433 fi
   434 AC_ARG_ENABLE(file,
   435 AC_HELP_STRING([--enable-file], [Enable the file subsystem [[default=yes]]]),
   436               , enable_file=yes)
   437 if test x$enable_file != xyes; then
   438     AC_DEFINE(SDL_FILE_DISABLED, 1, [ ])
   439 else
   440     SUMMARY_modules="${SUMMARY_modules} file"
   441 fi
   442 AC_ARG_ENABLE(loadso,
   443 AC_HELP_STRING([--enable-loadso], [Enable the shared object loading subsystem [[default=yes]]]),
   444               , enable_loadso=yes)
   445 if test x$enable_loadso != xyes; then
   446     AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
   447 else
   448     SUMMARY_modules="${SUMMARY_modules} loadso"
   449 fi
   450 AC_ARG_ENABLE(cpuinfo,
   451 AC_HELP_STRING([--enable-cpuinfo], [Enable the cpuinfo subsystem [[default=yes]]]),
   452               , enable_cpuinfo=yes)
   453 if test x$enable_cpuinfo != xyes; then
   454     AC_DEFINE(SDL_CPUINFO_DISABLED, 1, [ ])
   455 else
   456     SUMMARY_modules="${SUMMARY_modules} cpuinfo"
   457 fi
   458 AC_ARG_ENABLE(assembly,
   459 AC_HELP_STRING([--enable-assembly], [Enable assembly routines [[default=yes]]]),
   460               , enable_assembly=yes)
   461 if test x$enable_assembly = xyes; then
   462     SUMMARY_modules="${SUMMARY_modules} assembly"
   463 
   464     AC_DEFINE(SDL_ASSEMBLY_ROUTINES, 1, [ ])
   465 
   466     # Make sure that we don't generate floating point code that would
   467     # cause illegal instruction exceptions on older processors
   468     case "$host" in
   469         *-*-darwin*)
   470             # Don't need to worry about Apple hardware, it's all SSE capable
   471             default_ssemath=yes
   472             ;;
   473         *64-*-*)
   474             # x86 64-bit architectures all have SSE instructions
   475             default_ssemath=yes
   476             ;;
   477         *)
   478             default_ssemath=no
   479             ;;
   480     esac
   481     AC_ARG_ENABLE(ssemath,
   482 AC_HELP_STRING([--enable-ssemath], [Allow GCC to use SSE floating point math [[default=no]]]),
   483                   , enable_ssemath=$default_ssemath)
   484     if test x$enable_ssemath = xno; then
   485         if test x$have_gcc_sse = xyes -o x$have_gcc_sse2 = xyes; then
   486             EXTRA_CFLAGS="$EXTRA_CFLAGS -mfpmath=387"
   487         fi
   488     fi
   489 
   490     dnl Check for various instruction support
   491     AC_ARG_ENABLE(mmx,
   492 AC_HELP_STRING([--enable-mmx], [use MMX assembly routines [[default=yes]]]),
   493                   , enable_mmx=yes)
   494     if test x$enable_mmx = xyes; then
   495         save_CFLAGS="$CFLAGS"
   496         have_gcc_mmx=no
   497         AC_MSG_CHECKING(for GCC -mmmx option)
   498         mmx_CFLAGS="-mmmx"
   499         CFLAGS="$save_CFLAGS $mmx_CFLAGS"
   500 
   501         AC_TRY_COMPILE([
   502         #ifdef __MINGW32__
   503         #include <_mingw.h>
   504         #ifdef __MINGW64_VERSION_MAJOR
   505         #include <intrin.h>
   506         #else
   507         #include <mmintrin.h>
   508         #endif
   509         #else
   510         #include <mmintrin.h>
   511         #endif
   512         #ifndef __MMX__
   513         #error Assembler CPP flag not enabled
   514         #endif
   515         ],[
   516         ],[
   517         have_gcc_mmx=yes
   518         ])
   519         AC_MSG_RESULT($have_gcc_mmx)
   520         CFLAGS="$save_CFLAGS"
   521 
   522         if test x$have_gcc_mmx = xyes; then
   523             EXTRA_CFLAGS="$EXTRA_CFLAGS $mmx_CFLAGS"
   524             SUMMARY_math="${SUMMARY_math} mmx"
   525         fi
   526     fi
   527 
   528     AC_ARG_ENABLE(3dnow,
   529 AC_HELP_STRING([--enable-3dnow], [use 3DNow! assembly routines [[default=yes]]]),
   530                   , enable_3dnow=yes)
   531     if test x$enable_3dnow = xyes; then
   532         save_CFLAGS="$CFLAGS"
   533         have_gcc_3dnow=no
   534         AC_MSG_CHECKING(for GCC -m3dnow option)
   535         amd3dnow_CFLAGS="-m3dnow"
   536         CFLAGS="$save_CFLAGS $amd3dnow_CFLAGS"
   537 
   538         AC_TRY_LINK([
   539         #include <mm3dnow.h>
   540         #ifndef __3dNOW__
   541         #error Assembler CPP flag not enabled
   542         #endif
   543         ],[
   544         void *p = 0;
   545         _m_prefetch(p);
   546         ],[
   547         have_gcc_3dnow=yes
   548         ])
   549         AC_MSG_RESULT($have_gcc_3dnow)
   550         CFLAGS="$save_CFLAGS"
   551 
   552         if test x$have_gcc_3dnow = xyes; then
   553             EXTRA_CFLAGS="$EXTRA_CFLAGS $amd3dnow_CFLAGS"
   554             SUMMARY_math="${SUMMARY_math} 3dnow"
   555         fi
   556     fi
   557 
   558     AC_ARG_ENABLE(sse,
   559 AC_HELP_STRING([--enable-sse], [use SSE assembly routines [[default=yes]]]),
   560                   , enable_sse=yes)
   561     if test x$enable_sse = xyes; then
   562         save_CFLAGS="$CFLAGS"
   563         have_gcc_sse=no
   564         AC_MSG_CHECKING(for GCC -msse option)
   565         sse_CFLAGS="-msse"
   566         CFLAGS="$save_CFLAGS $sse_CFLAGS"
   567 
   568         AC_TRY_COMPILE([
   569         #ifdef __MINGW32__
   570         #include <_mingw.h>
   571         #ifdef __MINGW64_VERSION_MAJOR
   572         #include <intrin.h>
   573         #else
   574         #include <xmmintrin.h>
   575         #endif
   576         #else
   577         #include <xmmintrin.h>
   578         #endif
   579         #ifndef __SSE__
   580         #error Assembler CPP flag not enabled
   581         #endif
   582         ],[
   583         ],[
   584         have_gcc_sse=yes
   585         ])
   586         AC_MSG_RESULT($have_gcc_sse)
   587         CFLAGS="$save_CFLAGS"
   588 
   589         if test x$have_gcc_sse = xyes; then
   590             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse_CFLAGS"
   591             SUMMARY_math="${SUMMARY_math} sse"
   592         fi
   593     fi
   594 
   595     AC_ARG_ENABLE(sse2,
   596 AC_HELP_STRING([--enable-sse2], [use SSE2 assembly routines [[default=no]]]),
   597                   , enable_sse2=$default_ssemath)
   598     if test x$enable_sse2 = xyes; then
   599         save_CFLAGS="$CFLAGS"
   600         have_gcc_sse2=no
   601         AC_MSG_CHECKING(for GCC -msse2 option)
   602         sse2_CFLAGS="-msse2"
   603         CFLAGS="$save_CFLAGS $sse2_CFLAGS"
   604 
   605         AC_TRY_COMPILE([
   606         #ifdef __MINGW32__
   607         #include <_mingw.h>
   608         #ifdef __MINGW64_VERSION_MAJOR
   609         #include <intrin.h>
   610         #else
   611         #include <emmintrin.h>
   612         #endif
   613         #else
   614         #include <emmintrin.h>
   615         #endif
   616         #ifndef __SSE2__
   617         #error Assembler CPP flag not enabled
   618         #endif
   619         ],[
   620         ],[
   621         have_gcc_sse2=yes
   622         ])
   623         AC_MSG_RESULT($have_gcc_sse2)
   624         CFLAGS="$save_CFLAGS"
   625 
   626         if test x$have_gcc_sse2 = xyes; then
   627             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse2_CFLAGS"
   628             SUMMARY_math="${SUMMARY_math} sse2"
   629         fi
   630     fi
   631 
   632     AC_ARG_ENABLE(altivec,
   633 AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]]]),
   634                   , enable_altivec=yes)
   635     if test x$enable_altivec = xyes; then
   636         save_CFLAGS="$CFLAGS"
   637         have_gcc_altivec=no
   638         have_altivec_h_hdr=no
   639         altivec_CFLAGS="-maltivec"
   640         CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   641 
   642         AC_MSG_CHECKING(for Altivec with GCC altivec.h and -maltivec option)
   643         AC_TRY_COMPILE([
   644         #include <altivec.h>
   645         vector unsigned int vzero() {
   646             return vec_splat_u32(0);
   647         }
   648         ],[
   649         ],[
   650         have_gcc_altivec=yes
   651         have_altivec_h_hdr=yes
   652         ])
   653         AC_MSG_RESULT($have_gcc_altivec)
   654 
   655         if test x$have_gcc_altivec = xno; then
   656             AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
   657             AC_TRY_COMPILE([
   658             vector unsigned int vzero() {
   659                 return vec_splat_u32(0);
   660             }
   661             ],[
   662             ],[
   663             have_gcc_altivec=yes
   664             ])
   665             AC_MSG_RESULT($have_gcc_altivec)
   666         fi
   667 
   668         if test x$have_gcc_altivec = xno; then
   669             AC_MSG_CHECKING(for Altivec with GCC altivec.h and -faltivec option)
   670             altivec_CFLAGS="-faltivec"
   671             CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   672             AC_TRY_COMPILE([
   673             #include <altivec.h>
   674             vector unsigned int vzero() {
   675                 return vec_splat_u32(0);
   676             }
   677             ],[
   678             ],[
   679             have_gcc_altivec=yes
   680             have_altivec_h_hdr=yes
   681             ])
   682             AC_MSG_RESULT($have_gcc_altivec)
   683         fi
   684 
   685         if test x$have_gcc_altivec = xno; then
   686             AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
   687             AC_TRY_COMPILE([
   688             vector unsigned int vzero() {
   689                 return vec_splat_u32(0);
   690             }
   691             ],[
   692             ],[
   693             have_gcc_altivec=yes
   694             ])
   695             AC_MSG_RESULT($have_gcc_altivec)
   696         fi
   697         CFLAGS="$save_CFLAGS"
   698 
   699         if test x$have_gcc_altivec = xyes; then
   700             AC_DEFINE(SDL_ALTIVEC_BLITTERS, 1, [ ])
   701             if test x$have_altivec_h_hdr = xyes; then
   702               AC_DEFINE(HAVE_ALTIVEC_H, 1, [ ])
   703             fi
   704             EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
   705             SUMMARY_math="${SUMMARY_math} altivec"
   706         fi
   707     fi
   708 fi
   709 
   710 dnl See if the OSS audio interface is supported
   711 CheckOSS()
   712 {
   713     AC_ARG_ENABLE(oss,
   714 AC_HELP_STRING([--enable-oss], [support the OSS audio API [[default=maybe]]]),
   715                   , enable_oss=maybe)
   716 
   717     # OpenBSD "has" OSS, but it's not really for app use. They want you to
   718     #  use sndio instead. So on there, we default to disabled. You can force
   719     #  it on if you really want, though.
   720     if test x$enable_oss = xmaybe; then
   721         enable_oss=yes
   722         case "$host" in
   723             *-*-openbsd*)
   724                 enable_oss=no;;
   725         esac
   726     fi
   727 
   728     if test x$enable_audio = xyes -a x$enable_oss = xyes; then
   729         AC_MSG_CHECKING(for OSS audio support)
   730         have_oss=no
   731         if test x$have_oss != xyes; then
   732             AC_TRY_COMPILE([
   733               #include <sys/soundcard.h>
   734             ],[
   735               int arg = SNDCTL_DSP_SETFRAGMENT;
   736             ],[
   737             have_oss=yes
   738             ])
   739         fi
   740         if test x$have_oss != xyes; then
   741             AC_TRY_COMPILE([
   742               #include <soundcard.h>
   743             ],[
   744               int arg = SNDCTL_DSP_SETFRAGMENT;
   745             ],[
   746             have_oss=yes
   747             AC_DEFINE(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H, 1, [ ])
   748             ])
   749         fi
   750         AC_MSG_RESULT($have_oss)
   751         if test x$have_oss = xyes; then
   752             SUMMARY_audio="${SUMMARY_audio} oss"
   753             AC_DEFINE(SDL_AUDIO_DRIVER_OSS, 1, [ ])
   754             SOURCES="$SOURCES $srcdir/src/audio/dsp/*.c"
   755             have_audio=yes
   756 
   757             # We may need to link with ossaudio emulation library
   758             case "$host" in
   759                 *-*-openbsd*|*-*-netbsd*)
   760                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lossaudio";;
   761             esac
   762         fi
   763     fi
   764 }
   765 
   766 dnl See if the ALSA audio interface is supported
   767 CheckALSA()
   768 {
   769     AC_ARG_ENABLE(alsa,
   770 AC_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),
   771                   , enable_alsa=yes)
   772     if test x$enable_audio = xyes -a x$enable_alsa = xyes; then
   773         AM_PATH_ALSA(0.9.0, have_alsa=yes, have_alsa=no)
   774         # Restore all flags from before the ALSA detection runs
   775         CFLAGS="$alsa_save_CFLAGS"
   776         LDFLAGS="$alsa_save_LDFLAGS"
   777         LIBS="$alsa_save_LIBS"
   778         if test x$have_alsa = xyes; then
   779             AC_ARG_ENABLE(alsa-shared,
   780 AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
   781                           , enable_alsa_shared=yes)
   782             alsa_lib=[`find_lib "libasound.so.*" "$ALSA_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   783 
   784             AC_DEFINE(SDL_AUDIO_DRIVER_ALSA, 1, [ ])
   785             SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c"
   786             EXTRA_CFLAGS="$EXTRA_CFLAGS $ALSA_CFLAGS"
   787             if test x$have_loadso != xyes && \
   788                test x$enable_alsa_shared = xyes; then
   789                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading])
   790             fi
   791             if test x$have_loadso = xyes && \
   792                test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then
   793                 echo "-- dynamic libasound -> $alsa_lib"
   794                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ALSA_DYNAMIC, "$alsa_lib", [ ])
   795                 SUMMARY_audio="${SUMMARY_audio} alsa(dynamic)"
   796             else
   797                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ALSA_LIBS"
   798                 SUMMARY_audio="${SUMMARY_audio} alsa"
   799             fi
   800             have_audio=yes
   801         fi
   802     fi
   803 }
   804 
   805 dnl Find the ESD includes and libraries
   806 CheckESD()
   807 {
   808     AC_ARG_ENABLE(esd,
   809 AC_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),
   810                   , enable_esd=yes)
   811     if test x$enable_audio = xyes -a x$enable_esd = xyes; then
   812         AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no)
   813         if test x$have_esd = xyes; then
   814             AC_ARG_ENABLE(esd-shared,
   815 AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
   816                           , enable_esd_shared=yes)
   817             esd_lib=[`find_lib "libesd.so.*" "$ESD_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   818 
   819             AC_DEFINE(SDL_AUDIO_DRIVER_ESD, 1, [ ])
   820             SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"
   821             EXTRA_CFLAGS="$EXTRA_CFLAGS $ESD_CFLAGS"
   822             if test x$have_loadso != xyes && \
   823                test x$enable_esd_shared = xyes; then
   824                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading])
   825             fi
   826             if test x$have_loadso = xyes && \
   827                test x$enable_esd_shared = xyes && test x$esd_lib != x; then
   828                 echo "-- dynamic libesd -> $esd_lib"
   829                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib", [ ])
   830                 SUMMARY_audio="${SUMMARY_audio} esd(dynamic)"
   831             else
   832                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ESD_LIBS"
   833                 SUMMARY_audio="${SUMMARY_audio} esd"
   834             fi
   835             have_audio=yes
   836         fi
   837     fi
   838 }
   839 
   840 dnl Find PulseAudio
   841 CheckPulseAudio()
   842 {
   843     AC_ARG_ENABLE(pulseaudio,
   844 AC_HELP_STRING([--enable-pulseaudio], [use PulseAudio [[default=yes]]]),
   845                   , enable_pulseaudio=yes)
   846     if test x$enable_audio = xyes -a x$enable_pulseaudio = xyes; then
   847         audio_pulseaudio=no
   848 
   849         PULSEAUDIO_REQUIRED_VERSION=0.9
   850 
   851         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
   852         AC_MSG_CHECKING(for PulseAudio $PULSEAUDIO_REQUIRED_VERSION support)
   853         if test x$PKG_CONFIG != xno; then
   854         if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $PULSEAUDIO_REQUIRED_VERSION libpulse-simple; then
   855                 PULSEAUDIO_CFLAGS=`$PKG_CONFIG --cflags libpulse-simple`
   856                 PULSEAUDIO_LIBS=`$PKG_CONFIG --libs libpulse-simple`
   857                 audio_pulseaudio=yes
   858             fi
   859         fi
   860         AC_MSG_RESULT($audio_pulseaudio)
   861 
   862         if test x$audio_pulseaudio = xyes; then
   863             AC_ARG_ENABLE(pulseaudio-shared,
   864 AC_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [[default=yes]]]),
   865                           , enable_pulseaudio_shared=yes)
   866             pulseaudio_lib=[`find_lib "libpulse-simple.so.*" "$PULSEAUDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   867 
   868             AC_DEFINE(SDL_AUDIO_DRIVER_PULSEAUDIO, 1, [ ])
   869             SOURCES="$SOURCES $srcdir/src/audio/pulseaudio/*.c"
   870             EXTRA_CFLAGS="$EXTRA_CFLAGS $PULSEAUDIO_CFLAGS"
   871             if test x$have_loadso != xyes && \
   872                test x$enable_pulseaudio_shared = xyes; then
   873                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic PulseAudio loading])
   874             fi
   875             if test x$have_loadso = xyes && \
   876                test x$enable_pulseaudio_shared = xyes && test x$pulseaudio_lib != x; then
   877                 echo "-- dynamic libpulse-simple -> $pulseaudio_lib"
   878                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC, "$pulseaudio_lib", [ ])
   879                 SUMMARY_audio="${SUMMARY_audio} pulse(dynamic)"
   880 
   881                 case "$host" in
   882                     # On Solaris, pulseaudio must be linked deferred explicitly
   883                     # to prevent undefined symbol failures.
   884                     *-*-solaris*)
   885                         PULSEAUDIO_LIBS=`echo $PULSEAUDIO_LIBS | sed 's/\-l/-Wl,-l/g'`
   886                         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-zdeferred $PULSEAUDIO_LIBS -Wl,-znodeferred"
   887                 esac
   888             else
   889                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $PULSEAUDIO_LIBS"
   890                 SUMMARY_audio="${SUMMARY_audio} pulse"
   891             fi
   892             have_audio=yes
   893         fi
   894     fi
   895 }
   896 
   897 CheckARTSC()
   898 {
   899     AC_ARG_ENABLE(arts,
   900 AC_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),
   901                   , enable_arts=yes)
   902     if test x$enable_audio = xyes -a x$enable_arts = xyes; then
   903         AC_PATH_PROG(ARTSCONFIG, artsc-config)
   904         if test x$ARTSCONFIG = x -o x$ARTSCONFIG = x'"$ARTSCONFIG"'; then
   905             : # arts isn't installed
   906         else
   907             ARTS_CFLAGS=`$ARTSCONFIG --cflags`
   908             ARTS_LIBS=`$ARTSCONFIG --libs`
   909             AC_MSG_CHECKING(for aRts development environment)
   910             audio_arts=no
   911             save_CFLAGS="$CFLAGS"
   912             CFLAGS="$CFLAGS $ARTS_CFLAGS"
   913             AC_TRY_COMPILE([
   914              #include <artsc.h>
   915             ],[
   916              arts_stream_t stream;
   917             ],[
   918             audio_arts=yes
   919             ])
   920             CFLAGS="$save_CFLAGS"
   921             AC_MSG_RESULT($audio_arts)
   922             if test x$audio_arts = xyes; then
   923                 AC_ARG_ENABLE(arts-shared,
   924 AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
   925                               , enable_arts_shared=yes)
   926                 arts_lib=[`find_lib "libartsc.so.*" "$ARTS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   927 
   928                 AC_DEFINE(SDL_AUDIO_DRIVER_ARTS, 1, [ ])
   929                 SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"
   930                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ARTS_CFLAGS"
   931                 if test x$have_loadso != xyes && \
   932                    test x$enable_arts_shared = xyes; then
   933                     AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading])
   934                 fi
   935                 if test x$have_loadso = xyes && \
   936                    test x$enable_arts_shared = xyes && test x$arts_lib != x; then
   937                     echo "-- dynamic libartsc -> $arts_lib"
   938                     AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib", [ ])
   939                     SUMMARY_audio="${SUMMARY_audio} arts(dynamic)"
   940                 else
   941                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARTS_LIBS"
   942                     SUMMARY_audio="${SUMMARY_audio} arts"
   943                 fi
   944                 have_audio=yes
   945             fi
   946         fi
   947     fi
   948 }
   949 
   950 dnl See if the NAS audio interface is supported
   951 CheckNAS()
   952 {
   953     AC_ARG_ENABLE(nas,
   954 AC_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),
   955                   , enable_nas=yes)
   956     if test x$enable_audio = xyes -a x$enable_nas = xyes; then
   957         AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes)
   958         AC_CHECK_LIB(audio, AuOpenServer, have_nas_lib=yes)
   959 
   960         AC_MSG_CHECKING(for NAS audio support)
   961         have_nas=no
   962 
   963         if test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then
   964             have_nas=yes
   965             NAS_LIBS="-laudio"
   966 
   967         elif test -r /usr/X11R6/include/audio/audiolib.h; then
   968             have_nas=yes
   969             NAS_CFLAGS="-I/usr/X11R6/include/"
   970             NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"
   971 
   972         fi
   973 
   974         AC_MSG_RESULT($have_nas)
   975 
   976         if test x$have_nas = xyes; then
   977             AC_ARG_ENABLE(nas-shared,
   978 AC_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [[default=yes]]]),
   979                           , enable_nas_shared=yes)
   980             nas_lib=[`find_lib "libaudio.so.*" "$NAS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   981 
   982             if test x$have_loadso != xyes && \
   983                test x$enable_nas_shared = xyes; then
   984                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic NAS loading])
   985             fi
   986             if test x$have_loadso = xyes && \
   987                test x$enable_nas_shared = xyes && test x$nas_lib != x; then
   988                 echo "-- dynamic libaudio -> $nas_lib"
   989                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_NAS_DYNAMIC, "$nas_lib", [ ])
   990                 SUMMARY_audio="${SUMMARY_audio} nas(dynamic)"
   991             else
   992                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS"
   993                 SUMMARY_audio="${SUMMARY_audio} nas"
   994             fi
   995 
   996             AC_DEFINE(SDL_AUDIO_DRIVER_NAS, 1, [ ])
   997             SOURCES="$SOURCES $srcdir/src/audio/nas/*.c"
   998             EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS"
   999             have_audio=yes
  1000         fi
  1001     fi
  1002 }
  1003 
  1004 dnl See if the sndio audio interface is supported
  1005 CheckSNDIO()
  1006 {
  1007     AC_ARG_ENABLE(sndio,
  1008 AC_HELP_STRING([--enable-sndio], [support the sndio audio API [[default=yes]]]),
  1009                   , enable_sndio=yes)
  1010     if test x$enable_audio = xyes -a x$enable_sndio = xyes; then
  1011         AC_CHECK_HEADER(sndio.h, have_sndio_hdr=yes)
  1012         AC_CHECK_LIB(sndio, sio_open, have_sndio_lib=yes)
  1013 
  1014         AC_MSG_CHECKING(for sndio audio support)
  1015         have_sndio=no
  1016 
  1017         if test x$have_sndio_hdr = xyes -a x$have_sndio_lib = xyes; then
  1018             have_sndio=yes
  1019             SNDIO_LIBS="-lsndio"
  1020         fi
  1021 
  1022         AC_MSG_RESULT($have_sndio)
  1023 
  1024         if test x$have_sndio = xyes; then
  1025             AC_ARG_ENABLE(sndio-shared,
  1026 AC_HELP_STRING([--enable-sndio-shared], [dynamically load sndio audio support [[default=yes]]]),
  1027                           , enable_sndio_shared=yes)
  1028             sndio_lib=[`find_lib "libsndio.so.*" "$SNDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1029 
  1030             if test x$have_loadso != xyes && \
  1031                test x$enable_sndio_shared = xyes; then
  1032                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic sndio loading])
  1033             fi
  1034             if test x$have_loadso = xyes && \
  1035                test x$enable_sndio_shared = xyes && test x$sndio_lib != x; then
  1036                 echo "-- dynamic libsndio -> $sndio_lib"
  1037                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_SNDIO_DYNAMIC, "$sndio_lib", [ ])
  1038                 SUMMARY_audio="${SUMMARY_audio} sndio(dynamic)"
  1039             else
  1040                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $SNDIO_LIBS"
  1041                 SUMMARY_audio="${SUMMARY_audio} sndio"
  1042             fi
  1043 
  1044             AC_DEFINE(SDL_AUDIO_DRIVER_SNDIO, 1, [ ])
  1045             SOURCES="$SOURCES $srcdir/src/audio/sndio/*.c"
  1046             EXTRA_CFLAGS="$EXTRA_CFLAGS $SNDIO_CFLAGS"
  1047             have_audio=yes
  1048         fi
  1049     fi
  1050 }
  1051 
  1052 dnl rcg07142001 See if the user wants the disk writer audio driver...
  1053 CheckDiskAudio()
  1054 {
  1055     AC_ARG_ENABLE(diskaudio,
  1056 AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
  1057                   , enable_diskaudio=yes)
  1058     if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then
  1059         AC_DEFINE(SDL_AUDIO_DRIVER_DISK, 1, [ ])
  1060         SOURCES="$SOURCES $srcdir/src/audio/disk/*.c"
  1061         SUMMARY_audio="${SUMMARY_audio} disk"
  1062     fi
  1063 }
  1064 
  1065 dnl rcg03142006 See if the user wants the dummy audio driver...
  1066 CheckDummyAudio()
  1067 {
  1068     AC_ARG_ENABLE(dummyaudio,
  1069 AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
  1070                   , enable_dummyaudio=yes)
  1071     if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then
  1072         AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY, 1, [ ])
  1073         SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c"
  1074         SUMMARY_audio="${SUMMARY_audio} dummy"
  1075     fi
  1076 }
  1077 
  1078 dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).
  1079 dnl  Details of this flag are here: http://gcc.gnu.org/wiki/Visibility
  1080 CheckVisibilityHidden()
  1081 {
  1082     AC_MSG_CHECKING(for GCC -fvisibility=hidden option)
  1083     have_gcc_fvisibility=no
  1084 
  1085     visibility_CFLAGS="-fvisibility=hidden"
  1086     save_CFLAGS="$CFLAGS"
  1087     CFLAGS="$save_CFLAGS $visibility_CFLAGS -Werror"
  1088     AC_TRY_COMPILE([
  1089     #if !defined(__GNUC__) || __GNUC__ < 4
  1090     #error SDL only uses visibility attributes in GCC 4 or newer
  1091     #endif
  1092     ],[
  1093     ],[
  1094     have_gcc_fvisibility=yes
  1095     ])
  1096     AC_MSG_RESULT($have_gcc_fvisibility)
  1097     CFLAGS="$save_CFLAGS"
  1098 
  1099     if test x$have_gcc_fvisibility = xyes; then
  1100         EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"
  1101     fi
  1102 }
  1103 
  1104 dnl See if GCC's -mpreferred-stack-boundary is supported.
  1105 dnl  Reference: http://bugzilla.libsdl.org/show_bug.cgi?id=1296
  1106 CheckStackBoundary()
  1107 {
  1108     AC_MSG_CHECKING(for GCC -mpreferred-stack-boundary option)
  1109     have_gcc_preferred_stack_boundary=no
  1110 
  1111     save_CFLAGS="$CFLAGS"
  1112     CFLAGS="$save_CFLAGS -mpreferred-stack-boundary=2"
  1113     AC_TRY_COMPILE([
  1114     int x = 0;
  1115     ],[
  1116     ],[
  1117     have_gcc_preferred_stack_boundary=yes
  1118     ])
  1119     AC_MSG_RESULT($have_gcc_preferred_stack_boundary)
  1120     CFLAGS="$save_CFLAGS"
  1121 
  1122     if test x$have_gcc_preferred_stack_boundary = xyes; then
  1123         EXTRA_CFLAGS="$EXTRA_CFLAGS -mpreferred-stack-boundary=2"
  1124     fi
  1125 }
  1126 
  1127 dnl See if GCC's -Wall is supported.
  1128 CheckWarnAll()
  1129 {
  1130     AC_MSG_CHECKING(for GCC -Wall option)
  1131     have_gcc_Wall=no
  1132 
  1133     save_CFLAGS="$CFLAGS"
  1134     CFLAGS="$save_CFLAGS -Wall"
  1135     AC_TRY_COMPILE([
  1136     int x = 0;
  1137     ],[
  1138     ],[
  1139     have_gcc_Wall=yes
  1140     ])
  1141     AC_MSG_RESULT($have_gcc_Wall)
  1142     CFLAGS="$save_CFLAGS"
  1143 
  1144     if test x$have_gcc_Wall = xyes; then
  1145         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
  1146 
  1147         dnl Haiku headers use multicharacter constants all over the place. Ignore these warnings when using -Wall.
  1148         AC_MSG_CHECKING(for necessary GCC -Wno-multichar option)
  1149         need_gcc_Wno_multichar=no
  1150         case "$host" in
  1151             *-*-haiku*)
  1152                 need_gcc_Wno_multichar=yes
  1153                 ;;
  1154         esac
  1155         AC_MSG_RESULT($need_gcc_Wno_multichar)
  1156         if test x$need_gcc_Wno_multichar = xyes; then
  1157             EXTRA_CFLAGS="$EXTRA_CFLAGS -Wno-multichar"
  1158         fi
  1159     fi
  1160 }
  1161 
  1162 dnl See if GCC's -Wshadow is supported.
  1163 CheckWarnShadow()
  1164 {
  1165     AC_MSG_CHECKING(for GCC -Wshadow option)
  1166     have_gcc_Wshadow=no
  1167 
  1168     save_CFLAGS="$CFLAGS"
  1169     CFLAGS="$save_CFLAGS -Wshadow"
  1170     AC_TRY_COMPILE([
  1171     int x = 0;
  1172     ],[
  1173     ],[
  1174     have_gcc_Wshadow=yes
  1175     ])
  1176     AC_MSG_RESULT($have_gcc_Wshadow)
  1177     CFLAGS="$save_CFLAGS"
  1178 
  1179     if test x$have_gcc_Wshadow = xyes; then
  1180         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wshadow"
  1181     fi
  1182 }
  1183 
  1184 dnl Check for Wayland
  1185 CheckWayland()
  1186 {
  1187     AC_ARG_ENABLE(video-wayland,
  1188 AC_HELP_STRING([--enable-video-wayland], [use Wayland video driver [[default=yes]]]),
  1189                   ,enable_video_wayland=yes)
  1190 
  1191     AC_ARG_ENABLE(video-wayland-qt-touch,
  1192 AC_HELP_STRING([--enable-video-wayland-qt-touch], [QtWayland server support for Wayland video driver [[default=yes]]]),
  1193                   ,enable_video_wayland_qt_touch=yes)
  1194 
  1195     if test x$enable_video = xyes -a x$enable_video_wayland = xyes; then
  1196         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1197         AC_MSG_CHECKING(for Wayland support)
  1198         video_wayland=no
  1199         if  test x$PKG_CONFIG != xno && \
  1200             test x$video_opengl_egl = xyes && \
  1201             test x$video_opengles_v2 = xyes; then
  1202             if $PKG_CONFIG --exists wayland-client wayland-egl wayland-cursor egl xkbcommon ; then
  1203                 WAYLAND_CFLAGS=`$PKG_CONFIG --cflags wayland-client wayland-egl wayland-cursor xkbcommon`
  1204                 WAYLAND_LIBS=`$PKG_CONFIG --libs wayland-client wayland-egl wayland-cursor xkbcommon`
  1205                 video_wayland=yes
  1206             fi
  1207         fi
  1208         AC_MSG_RESULT($video_wayland)
  1209 
  1210         if test x$video_wayland = xyes; then
  1211             AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND, 1, [ ])
  1212             if test x$enable_video_wayland_qt_touch = xyes; then
  1213                 AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH, 1, [ ])
  1214             fi
  1215             SOURCES="$SOURCES $srcdir/src/video/wayland/*.c"
  1216             EXTRA_CFLAGS="$EXTRA_CFLAGS $WAYLAND_CFLAGS"
  1217             AC_ARG_ENABLE(wayland-shared,
  1218 AC_HELP_STRING([--enable-wayland-shared], [dynamically load Wayland support [[default=maybe]]]),
  1219                           , enable_wayland_shared=maybe)
  1220 
  1221             dnl FIXME: Do BSD and OS X need special cases?
  1222             case "$host" in
  1223                 *)
  1224                     wayland_client_lib=[`find_lib "libwayland-client.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1225                     wayland_egl_lib=[`find_lib "libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1226                     if test x$wayland_egl_lib = x; then
  1227                         dnl This works in Ubuntu 13.10, maybe others
  1228                         wayland_egl_lib=[`find_lib "mesa-egl/libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1229                     fi
  1230                     wayland_cursor_lib=[`find_lib "libwayland-cursor.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1231                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1232                     ;;
  1233             esac
  1234 
  1235             if test x$enable_wayland_shared = xmaybe; then
  1236                 enable_wayland_shared=yes
  1237             fi
  1238             if test x$have_loadso != xyes && \
  1239                test x$enable_wayland_shared = xyes; then
  1240                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Wayland loading])
  1241                 enable_wayland_shared=no
  1242             fi
  1243             if test x$have_loadso = xyes && \
  1244                test x$enable_wayland_shared = xyes && \
  1245                test x$wayland_client_lib != x && \
  1246                test x$wayland_egl_lib != x && \
  1247                test x$wayland_cursor_lib != x && \
  1248                test x$xkbcommon_lib != x; then
  1249                 echo "-- dynamic libwayland-client -> $wayland_client_lib"
  1250                 echo "-- dynamic libwayland-egl -> $wayland_egl_lib"
  1251                 echo "-- dynamic libwayland-cursor -> $wayland_cursor_lib"
  1252                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1253                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC, "$wayland_client_lib", [ ])
  1254                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_EGL, "$wayland_egl_lib", [ ])
  1255                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_CURSOR, "$wayland_cursor_lib", [ ])
  1256                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1257                 SUMMARY_video="${SUMMARY_video} wayland(dynamic)"
  1258             else
  1259                 enable_wayland_shared=no
  1260                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $WAYLAND_LIBS"
  1261                 SUMMARY_video="${SUMMARY_video} wayland"
  1262             fi
  1263             have_video=yes
  1264         fi
  1265     fi
  1266 }
  1267 
  1268 dnl Check for Mir
  1269 CheckMir()
  1270 {
  1271     AC_ARG_ENABLE(video-mir,
  1272 AC_HELP_STRING([--enable-video-mir], [use Mir video driver [[default=yes]]]),
  1273                   ,enable_video_mir=yes)
  1274 
  1275     if test x$enable_video = xyes -a x$enable_video_mir = xyes; then
  1276         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1277         AC_MSG_CHECKING(for Mir support)
  1278         video_mir=no
  1279         if test x$PKG_CONFIG != xno; then
  1280             if $PKG_CONFIG --exists mirclient egl xkbcommon ; then
  1281                 MIR_CFLAGS=`$PKG_CONFIG --cflags mirclient egl xkbcommon`
  1282                 MIR_LIBS=`$PKG_CONFIG --libs mirclient egl xkbcommon`
  1283                 save_CFLAGS="$CFLAGS"
  1284                 CFLAGS="$save_CFLAGS $MIR_CFLAGS"
  1285                 
  1286                 dnl This will disable Mir on Ubuntu < 14.04
  1287                 AC_TRY_COMPILE([
  1288                 #include <mir_toolkit/mir_client_library.h>
  1289                 ],[
  1290                     MirMotionToolType tool = mir_motion_tool_type_mouse;
  1291                 ],[
  1292                 video_mir=yes
  1293                 ])
  1294                 CFLAGS="$save_CFLAGS"
  1295             fi
  1296         fi
  1297         AC_MSG_RESULT($video_mir)
  1298 
  1299         if test x$video_mir = xyes; then
  1300             AC_DEFINE(SDL_VIDEO_DRIVER_MIR, 1, [ ])
  1301             SOURCES="$SOURCES $srcdir/src/video/mir/*.c"
  1302             EXTRA_CFLAGS="$EXTRA_CFLAGS $MIR_CFLAGS"
  1303             AC_ARG_ENABLE(mir-shared,
  1304 AC_HELP_STRING([--enable-mir-shared], [dynamically load Mir support [[default=maybe]]]),
  1305                           , enable_mir_shared=maybe)
  1306 
  1307             dnl FIXME: Do BSD and OS X need special cases?
  1308             case "$host" in
  1309                 *)
  1310                     mirclient_lib=[`find_lib "libmirclient.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1311                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1312                     ;;
  1313             esac
  1314 
  1315             if test x$enable_mir_shared = xmaybe; then
  1316                 enable_mir_shared=yes
  1317             fi
  1318             if test x$have_loadso != xyes && \
  1319                test x$enable_mir_shared = xyes; then
  1320                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Mir loading])
  1321                 enable_mir_shared=no
  1322             fi
  1323             if test x$have_loadso = xyes && \
  1324                test x$enable_mir_shared = xyes && \
  1325                test x$mirclient_lib != x && \
  1326                test x$xkbcommon_lib != x; then
  1327                 echo "-- dynamic libmirclient -> $mirclient_lib"
  1328                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1329                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC, "$mirclient_lib", [ ])
  1330                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1331                 SUMMARY_video="${SUMMARY_video} mir(dynamic)"
  1332             else
  1333                 enable_mir_shared=no
  1334                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MIR_LIBS"
  1335                 SUMMARY_video="${SUMMARY_video} mir"
  1336             fi
  1337             have_video=yes
  1338         fi
  1339     fi
  1340 }
  1341 
  1342 dnl Check for Native Client stuff
  1343 CheckNativeClient()
  1344 {
  1345         AC_TRY_COMPILE([
  1346           #if !defined(__native_client__)
  1347           #error "NO NACL"
  1348           #endif
  1349         ],[
  1350         ],[
  1351         AC_DEFINE(SDL_VIDEO_DRIVER_NACL)
  1352         AC_DEFINE(SDL_AUDIO_DRIVER_NACL)
  1353         AC_DEFINE(HAVE_POW, 1, [ ])
  1354         AC_DEFINE(HAVE_OPENGLES2, 1, [ ])
  1355         AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  1356         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  1357 
  1358         SDL_LIBS="-lppapi_simple -lppapi_gles2 $SDL_LIBS"
  1359 
  1360         SDLMAIN_SOURCES="$srcdir/src/main/nacl/*.c"
  1361         SOURCES="$SOURCES $srcdir/src/audio/nacl/*.c"
  1362         SUMMARY_audio="${SUMMARY_audio} nacl"
  1363         SOURCES="$SOURCES $srcdir/src/video/nacl/*.c"
  1364         SUMMARY_video="${SUMMARY_video} nacl opengles2"
  1365         ])
  1366 }
  1367 
  1368 
  1369 dnl Find the X11 include and library directories
  1370 CheckX11()
  1371 {
  1372 
  1373 
  1374     AC_ARG_ENABLE(video-x11,
  1375 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
  1376                   , enable_video_x11=yes)
  1377     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
  1378         case "$host" in
  1379             *-*-darwin*)
  1380                 # This isn't necessary for X11, but fixes GLX detection
  1381                 if test "x$x_includes" = xNONE && \
  1382                    test "x$x_libraries" = xNONE && \
  1383                    test -d /usr/X11R6/include && \
  1384                    test -d /usr/X11R6/lib; then
  1385                     x_includes="/usr/X11R6/include"
  1386                     x_libraries="/usr/X11R6/lib"
  1387                 fi
  1388                 ;;
  1389         esac
  1390         AC_PATH_X
  1391         AC_PATH_XTRA
  1392         if test x$have_x = xyes; then
  1393             AC_ARG_ENABLE(x11-shared,
  1394 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
  1395                           , enable_x11_shared=maybe)
  1396 
  1397             case "$host" in
  1398                 *-*-darwin*)
  1399                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
  1400                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
  1401                     xcursor_lib='/usr/X11R6/lib/libXcursor.1.dylib'
  1402                     xinerama_lib='/usr/X11R6/lib/libXinerama.1.dylib'
  1403                     xinput_lib='/usr/X11R6/lib/libXi.6.dylib'
  1404                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
  1405                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
  1406                     xss_lib='/usr/X11R6/lib/libXss.1.dylib'
  1407                     xvidmode_lib='/usr/X11R6/lib/libXxf86vm.1.dylib'
  1408                     ;;
  1409                 *-*-openbsd*)
  1410                     x11_lib='libX11.so'
  1411                     x11ext_lib='libXext.so'
  1412                     xcursor_lib='libXcursor.so'
  1413                     xinerama_lib='libXinerama.so'
  1414                     xinput_lib='libXi.so'
  1415                     xrandr_lib='libXrandr.so'
  1416                     xrender_lib='libXrender.so'
  1417                     xss_lib='libXss.so'
  1418                     xvidmode_lib='libXxf86vm.so'
  1419                     ;;
  1420                 *)
  1421                     x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1422                     x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1423                     xcursor_lib=[`find_lib "libXcursor.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1424                     xinerama_lib=[`find_lib "libXinerama.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1425                     xinput_lib=[`find_lib "libXi.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1426                     xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1427                     xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1428                     xss_lib=[`find_lib "libXss.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1429                     xvidmode_lib=[`find_lib "libXxf86vm.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1430                     ;;
  1431             esac
  1432 
  1433             if test x$ac_cv_func_shmat != xyes; then
  1434                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
  1435             fi
  1436             CFLAGS="$CFLAGS $X_CFLAGS"
  1437             LDFLAGS="$LDFLAGS $X_LIBS"
  1438 
  1439             AC_CHECK_HEADER(X11/extensions/Xext.h,
  1440                             have_xext_h_hdr=yes,
  1441                             have_xext_h_hdr=no,
  1442                             [#include <X11/Xlib.h>
  1443                              #include <X11/Xproto.h>
  1444                             ])
  1445             if test x$have_xext_h_hdr != xyes; then
  1446                AC_MSG_ERROR([
  1447 *** Missing Xext.h, maybe you need to install the libxext-dev package?
  1448                ])
  1449             fi
  1450 
  1451             AC_DEFINE(SDL_VIDEO_DRIVER_X11, 1, [ ])
  1452             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
  1453             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
  1454 
  1455             # Needed so SDL applications can include SDL_syswm.h
  1456             SDL_CFLAGS="$SDL_CFLAGS $X_CFLAGS"
  1457 
  1458             if test x$enable_x11_shared = xmaybe; then
  1459                 enable_x11_shared=yes
  1460             fi
  1461             if test x$have_loadso != xyes && \
  1462                test x$enable_x11_shared = xyes; then
  1463                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
  1464                 enable_x11_shared=no
  1465             fi
  1466             if test x$have_loadso = xyes && \
  1467                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
  1468                 echo "-- dynamic libX11 -> $x11_lib"
  1469                 echo "-- dynamic libX11ext -> $x11ext_lib"
  1470                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib", [ ])
  1471                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib", [ ])
  1472                 SUMMARY_video="${SUMMARY_video} x11(dynamic)"
  1473             else
  1474                 enable_x11_shared=no
  1475                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
  1476                 SUMMARY_video="${SUMMARY_video} x11"
  1477             fi
  1478             have_video=yes
  1479 
  1480             AC_MSG_CHECKING(for const parameter to XextAddDisplay)
  1481             have_const_param_XextAddDisplay=no
  1482             AC_TRY_COMPILE([
  1483               #include <X11/Xlib.h>
  1484               #include <X11/Xproto.h>
  1485               #include <X11/extensions/Xext.h>
  1486               #include <X11/extensions/extutil.h>
  1487               extern XExtDisplayInfo* XextAddDisplay(XExtensionInfo* a,Display* b,_Xconst char* c,XExtensionHooks* d,int e,XPointer f);
  1488             ],[
  1489             ],[
  1490             have_const_param_XextAddDisplay=yes
  1491             AC_DEFINE(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY)
  1492             ])
  1493             AC_MSG_RESULT($have_const_param_XextAddDisplay)
  1494 
  1495             AC_MSG_CHECKING(for const parameter to _XData32)
  1496 	    have_const_param_xdata32=no
  1497 	    AC_TRY_COMPILE([
  1498 	      #include <X11/Xlibint.h>
  1499 	      extern int _XData32(Display *dpy,register _Xconst long *data,unsigned len);
  1500 	    ],[
  1501 	    ],[
  1502 	    have_const_param_xdata32=yes
  1503 	    AC_DEFINE(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XDATA32)
  1504 	    ])
  1505 	    AC_MSG_RESULT($have_const_param_xdata32)
  1506 
  1507             dnl AC_CHECK_LIB(X11, XGetEventData, AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS, 1, [Have XGenericEvent]))
  1508             AC_MSG_CHECKING([for XGenericEvent])
  1509             have_XGenericEvent=no
  1510             AC_TRY_COMPILE([
  1511               	#include <X11/Xlib.h>
  1512             ],[
  1513 Display *display;
  1514 XEvent event;
  1515 XGenericEventCookie *cookie = &event.xcookie;
  1516 XNextEvent(display, &event);
  1517 XGetEventData(display, cookie);
  1518 XFreeEventData(display, cookie);
  1519             ],[
  1520                 have_XGenericEvent=yes
  1521                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS)
  1522             ])
  1523             AC_MSG_RESULT($have_XGenericEvent)
  1524 
  1525             AC_CHECK_LIB(X11, XkbKeycodeToKeysym, AC_DEFINE(SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM, 1, [Have XkbKeycodeToKeysym]))
  1526 
  1527             AC_ARG_ENABLE(video-x11-xcursor,
  1528 AC_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [[default=yes]]]),
  1529                             , enable_video_x11_xcursor=yes)
  1530             if test x$enable_video_x11_xcursor = xyes; then
  1531                 definitely_enable_video_x11_xcursor=no
  1532                 AC_CHECK_HEADER(X11/Xcursor/Xcursor.h,
  1533                                 have_xcursor_h_hdr=yes,
  1534                                 have_xcursor_h_hdr=no,
  1535                                 [#include <X11/Xlib.h>
  1536                                 ])
  1537                 if test x$have_xcursor_h_hdr = xyes; then
  1538                     if test x$enable_x11_shared = xyes && test x$xcursor_lib != x ; then
  1539                         echo "-- dynamic libXcursor -> $xcursor_lib"
  1540                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR, "$xcursor_lib", [ ])
  1541                         definitely_enable_video_x11_xcursor=yes
  1542                     else
  1543                         AC_CHECK_LIB(Xcursor, XcursorImageCreate, have_xcursor_lib=yes)
  1544                         if test x$have_xcursor_lib = xyes ; then
  1545                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXcursor"
  1546                             definitely_enable_video_x11_xcursor=yes
  1547                         fi
  1548                     fi
  1549                 fi
  1550             fi
  1551             if test x$definitely_enable_video_x11_xcursor = xyes; then
  1552                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XCURSOR, 1, [ ])
  1553                 SUMMARY_video_x11="${SUMMARY_video_x11} xcursor"
  1554             fi
  1555             AC_ARG_ENABLE(video-x11-xinerama,
  1556 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
  1557                             , enable_video_x11_xinerama=yes)
  1558             if test x$enable_video_x11_xinerama = xyes; then
  1559                 definitely_enable_video_x11_xinerama=no
  1560                 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
  1561                                 have_xinerama_h_hdr=yes,
  1562                                 have_xinerama_h_hdr=no,
  1563                                 [#include <X11/Xlib.h>
  1564                                 ])
  1565                 if test x$have_xinerama_h_hdr = xyes; then
  1566                     if test x$enable_x11_shared = xyes && test x$xinerama_lib != x ; then
  1567                         echo "-- dynamic libXinerama -> $xinerama_lib"
  1568                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA, "$xinerama_lib", [ ])
  1569                         definitely_enable_video_x11_xinerama=yes
  1570                     else
  1571                         AC_CHECK_LIB(Xinerama, XineramaQueryExtension, have_xinerama_lib=yes)
  1572                         if test x$have_xinerama_lib = xyes ; then
  1573                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXinerama"
  1574                             definitely_enable_video_x11_xinerama=yes
  1575                         fi
  1576                     fi
  1577                 fi
  1578             fi
  1579             if test x$definitely_enable_video_x11_xinerama = xyes; then
  1580                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA, 1, [ ])
  1581                 SUMMARY_video_x11="${SUMMARY_video_x11} xinerama"
  1582             fi
  1583             AC_ARG_ENABLE(video-x11-xinput,
  1584 AC_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [[default=yes]]]),
  1585                             , enable_video_x11_xinput=yes)
  1586             if test x$enable_video_x11_xinput = xyes; then
  1587                 definitely_enable_video_x11_xinput=no
  1588                 AC_CHECK_HEADER(X11/extensions/XInput2.h,
  1589                                 have_xinput_h_hdr=yes,
  1590                                 have_xinput_h_hdr=no,
  1591                                 [#include <X11/Xlib.h>
  1592                                 ])
  1593                 if test x$have_xinput_h_hdr = xyes; then
  1594                     if test x$enable_x11_shared = xyes && test x$xinput_lib != x ; then
  1595                         echo "-- dynamic libXi -> $xinput_lib"
  1596                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2, "$xinput_lib", [ ])
  1597                         definitely_enable_video_x11_xinput=yes
  1598                     else
  1599                         AC_CHECK_LIB(Xi, XOpenDevice, have_xinput_lib=yes)
  1600                         if test x$have_xinput_lib = xyes ; then
  1601                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXi"
  1602                             definitely_enable_video_x11_xinput=yes
  1603                         fi
  1604                     fi
  1605                 fi
  1606             fi
  1607             if test x$definitely_enable_video_x11_xinput = xyes; then
  1608                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2"
  1609                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2, 1, [ ])
  1610                 AC_MSG_CHECKING(for xinput2 multitouch)
  1611             	have_xinput2_multitouch=no
  1612             	AC_TRY_COMPILE([
  1613               		#include <X11/Xlib.h>
  1614              		#include <X11/Xproto.h>
  1615 			#include <X11/extensions/XInput2.h>
  1616             	],[
  1617 int event_type = XI_TouchBegin;
  1618 XITouchClassInfo *t;
  1619             	],[
  1620             	have_xinput2_multitouch=yes
  1621             	AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH)
  1622                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2_multitouch"
  1623             	])
  1624             	AC_MSG_RESULT($have_xinput2_multitouch)
  1625             fi
  1626             AC_ARG_ENABLE(video-x11-xrandr,
  1627 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
  1628                             , enable_video_x11_xrandr=yes)
  1629             if test x$enable_video_x11_xrandr = xyes; then
  1630                 dnl XRRScreenResources is only present in Xrandr >= 1.2, we use that as a test.
  1631                 definitely_enable_video_x11_xrandr=no
  1632                 have_xrandr_h_hdr=no
  1633                 AC_TRY_COMPILE([
  1634                 #include <X11/Xlib.h>
  1635                 #include <X11/extensions/Xrandr.h>
  1636                 ],[
  1637                 XRRScreenResources *res = NULL;
  1638                 ],[
  1639                 have_xrandr_h_hdr=yes
  1640                 ])
  1641                 if test x$have_xrandr_h_hdr = xyes; then
  1642                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
  1643                         echo "-- dynamic libXrandr -> $xrandr_lib"
  1644                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib", [ ])
  1645                         definitely_enable_video_x11_xrandr=yes
  1646                     else
  1647                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
  1648                         if test x$have_xrandr_lib = xyes ; then
  1649                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr"
  1650                             definitely_enable_video_x11_xrandr=yes
  1651                         fi
  1652                     fi
  1653                 fi
  1654             fi
  1655             if test x$definitely_enable_video_x11_xrandr = xyes; then
  1656                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR, 1, [ ])
  1657                 SUMMARY_video_x11="${SUMMARY_video_x11} xrandr"
  1658             fi
  1659             AC_ARG_ENABLE(video-x11-scrnsaver,
  1660 AC_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [[default=yes]]]),
  1661                             , enable_video_x11_scrnsaver=yes)
  1662             if test x$enable_video_x11_scrnsaver = xyes; then
  1663                 AC_CHECK_HEADER(X11/extensions/scrnsaver.h,
  1664                                 have_scrnsaver_h_hdr=yes,
  1665                                 have_scrnsaver_h_hdr=no,
  1666                                 [#include <X11/Xlib.h>
  1667                                 ])
  1668                 if test x$have_scrnsaver_h_hdr = xyes; then
  1669                     if test x$enable_x11_shared = xyes && test x$xss_lib != x ; then
  1670                         echo "-- dynamic libXss -> $xss_lib"
  1671                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS, "$xss_lib", [ ])
  1672                         definitely_enable_video_x11_scrnsaver=yes
  1673                     else
  1674                         AC_CHECK_LIB(Xss, XScreenSaverSuspend, have_xss_lib=yes)
  1675                         if test x$have_xss_lib = xyes ; then
  1676                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXss"
  1677                             definitely_enable_video_x11_scrnsaver=yes
  1678                         fi
  1679                     fi
  1680                 fi
  1681             fi
  1682             if test x$definitely_enable_video_x11_scrnsaver = xyes; then
  1683                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSCRNSAVER, 1, [ ])
  1684                 SUMMARY_video_x11="${SUMMARY_video_x11} xscrnsaver"
  1685             fi
  1686             AC_ARG_ENABLE(video-x11-xshape,
  1687 AC_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [[default=yes]]]),
  1688                             , enable_video_x11_xshape=yes)
  1689             if test x$enable_video_x11_xshape = xyes; then
  1690                 AC_CHECK_HEADER(X11/extensions/shape.h,
  1691                                 have_shape_h_hdr=yes,
  1692                                 have_shape_h_hdr=no,
  1693                                 [#include <X11/Xlib.h>
  1694                                 ])
  1695                 if test x$have_shape_h_hdr = xyes; then
  1696                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSHAPE, 1, [ ])
  1697                     SUMMARY_video_x11="${SUMMARY_video_x11} xshape"
  1698                 fi
  1699             fi
  1700             AC_ARG_ENABLE(video-x11-vm,
  1701 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
  1702                             , enable_video_x11_vm=yes)
  1703             if test x$enable_video_x11_vm = xyes; then
  1704                 definitely_enable_video_x11_vm=no
  1705                 AC_CHECK_HEADER(X11/extensions/xf86vmode.h,
  1706                                 have_vm_h_hdr=yes,
  1707                                 have_vm_h_hdr=no,
  1708                                 [#include <X11/Xlib.h>
  1709                                 ])
  1710                 if test x$have_vm_h_hdr = xyes; then
  1711                     if test x$enable_x11_shared = xyes && test x$xvidmode_lib != x ; then
  1712                         echo "-- dynamic libXxf86vm -> $xvidmode_lib"
  1713                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE, "$xvidmode_lib", [ ])
  1714                         definitely_enable_video_x11_vm=yes
  1715                     else
  1716                         AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, have_vm_lib=yes)
  1717                         if test x$have_vm_lib = xyes ; then
  1718                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXxf86vm"
  1719                             definitely_enable_video_x11_vm=yes
  1720                         fi
  1721                     fi
  1722                 fi
  1723             fi
  1724             if test x$definitely_enable_video_x11_vm = xyes; then
  1725                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XVIDMODE, 1, [ ])
  1726                 SUMMARY_video_x11="${SUMMARY_video_x11} xvidmode"
  1727             fi
  1728         fi
  1729     fi
  1730 }
  1731 
  1732 dnl Set up the Haiku video driver if enabled
  1733 CheckHaikuVideo()
  1734 {
  1735     if test x$enable_video = xyes; then
  1736         AC_DEFINE(SDL_VIDEO_DRIVER_HAIKU, 1, [ ])
  1737         SOURCES="$SOURCES $srcdir/src/video/haiku/*.cc"
  1738         have_video=yes
  1739         SUMMARY_video="${SUMMARY_video} haiku"
  1740     fi
  1741 }
  1742 
  1743 dnl Set up the Cocoa video driver for Mac OS X (but not Darwin)
  1744 CheckCOCOA()
  1745 {
  1746     AC_ARG_ENABLE(video-cocoa,
  1747 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]]),
  1748                   , enable_video_cocoa=yes)
  1749     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  1750         save_CFLAGS="$CFLAGS"
  1751         dnl work around that we don't have Objective-C support in autoconf
  1752         CFLAGS="$CFLAGS -x objective-c"
  1753         AC_MSG_CHECKING(for Cocoa framework)
  1754         have_cocoa=no
  1755         AC_TRY_COMPILE([
  1756           #import <Cocoa/Cocoa.h>
  1757         ],[
  1758         ],[
  1759         have_cocoa=yes
  1760         ])
  1761         AC_MSG_RESULT($have_cocoa)
  1762         CFLAGS="$save_CFLAGS"
  1763         if test x$have_cocoa = xyes; then
  1764             AC_DEFINE(SDL_VIDEO_DRIVER_COCOA, 1, [ ])
  1765             SOURCES="$SOURCES $srcdir/src/video/cocoa/*.m"
  1766             SUMMARY_video="${SUMMARY_video} cocoa"
  1767             have_video=yes
  1768         fi
  1769     fi
  1770 }
  1771 
  1772 dnl Find DirectFB
  1773 CheckDirectFB()
  1774 {
  1775     AC_ARG_ENABLE(video-directfb,
  1776 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),
  1777                   , enable_video_directfb=no)
  1778     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
  1779         video_directfb=no
  1780 
  1781         DIRECTFB_REQUIRED_VERSION=1.0.0
  1782         AC_PATH_PROGS(DIRECTFBCONFIG, directfb-config, no, [$prefix/bin:$PATH])
  1783         if test x$DIRECTFBCONFIG = xno; then
  1784             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1785             if test x$PKG_CONFIG != xno; then
  1786                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
  1787                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
  1788                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
  1789                     DIRECTFB_PREFIX=`$PKG_CONFIG --variable=prefix directfb`
  1790                     video_directfb=yes
  1791                 fi
  1792             fi
  1793         else
  1794             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
  1795             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1796             set -- `$DIRECTFBCONFIG --version | sed 's/\./ /g'`
  1797             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1798             if test $HAVE_VERSION -ge $NEED_VERSION; then
  1799                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
  1800                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
  1801                 DIRECTFB_PREFIX=`$DIRECTFBCONFIG --prefix`
  1802                 video_directfb=yes
  1803             fi
  1804         fi
  1805         if test x$video_directfb = xyes; then
  1806             # SuSE 11.1 installs directfb-config without directfb-devel
  1807             save_CPPFLAGS="$CPPFLAGS"
  1808             CPPFLAGS="$CPPFLAGS $DIRECTFB_CFLAGS"
  1809             AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no)
  1810             CPPFLAGS="$save_CPPFLAGS"
  1811             video_directfb=$have_directfb_hdr
  1812         fi
  1813         AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
  1814         AC_MSG_RESULT($video_directfb)
  1815 
  1816         if test x$video_directfb = xyes; then
  1817             AC_ARG_ENABLE(directfb-shared,
  1818 AC_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [[default=yes]]]),
  1819                               , enable_directfb_shared=yes)
  1820 
  1821             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB, 1, [ ])
  1822             AC_DEFINE(SDL_VIDEO_RENDER_DIRECTFB, 1, [ ])
  1823             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
  1824             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
  1825 
  1826             AC_MSG_CHECKING(for directfb dynamic loading support)
  1827             directfb_shared=no
  1828             directfb_lib=[`find_lib "libdirectfb.so.*" "$DIRECTFB_LIBS"`]
  1829             # | sed 's/.*\/\(.*\)/\1/; q'`]
  1830 AC_MSG_WARN("directfb $directfb_lib")
  1831             if test x$have_loadso != xyes && \
  1832                test x$enable_directfb_shared = xyes; then
  1833                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic directfb loading])
  1834             fi
  1835             if test x$have_loadso = xyes && \
  1836                test x$enable_directfb_shared = xyes && test x$directfb_lib != x; then
  1837                 directfb_shared=yes
  1838                 echo "-- $directfb_lib_spec -> $directfb_lib"
  1839                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC, "$directfb_lib", [ ])
  1840                 SUMMARY_video="${SUMMARY_video} directfb(dynamic)"
  1841             else
  1842                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
  1843                 SUMMARY_video="${SUMMARY_video} directfb"
  1844             fi
  1845             AC_MSG_RESULT($directfb_shared)
  1846             SDL_CFLAGS="$SDL_CFLAGS $DIRECTFB_CFLAGS"
  1847             have_video=yes
  1848         fi
  1849     fi
  1850 }
  1851 
  1852 dnl Find FusionSound
  1853 CheckFusionSound()
  1854 {
  1855     AC_ARG_ENABLE(fusionsound,
  1856 AC_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [[default=no]]]),
  1857                   , enable_fusionsound=no)
  1858     if test x$enable_audio = xyes -a x$enable_fusionsound = xyes; then
  1859         fusionsound=no
  1860 
  1861         FUSIONSOUND_REQUIRED_VERSION=1.1.1
  1862 
  1863         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1864         AC_MSG_CHECKING(for FusionSound $FUSIONSOUND_REQUIRED_VERSION support)
  1865         if test x$PKG_CONFIG != xno; then
  1866             if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $FUSIONSOUND_REQUIRED_VERSION fusionsound; then
  1867                 FUSIONSOUND_CFLAGS=`$PKG_CONFIG --cflags fusionsound`
  1868                 FUSIONSOUND_LIBS=`$PKG_CONFIG --libs fusionsound`
  1869                 fusionsound=yes
  1870             fi
  1871         fi
  1872         AC_MSG_RESULT($fusionsound)
  1873 
  1874         if test x$fusionsound = xyes; then
  1875             AC_DEFINE(SDL_AUDIO_DRIVER_FUSIONSOUND, 1, [ ])
  1876             SOURCES="$SOURCES $srcdir/src/audio/fusionsound/*.c"
  1877             EXTRA_CFLAGS="$EXTRA_CFLAGS $FUSIONSOUND_CFLAGS"
  1878             
  1879             AC_ARG_ENABLE(fusionsound-shared,
  1880 AC_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [[default=yes]]]),
  1881                           , enable_fusionsound_shared=yes)
  1882             fusionsound_shared=no
  1883             AC_MSG_CHECKING(for FusionSound dynamic loading support)
  1884             if test x$have_loadso != xyes && \
  1885                test x$enable_fusionsound_shared = xyes; then
  1886                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic fusionsound loading])
  1887             fi
  1888             if test x$have_loadso = xyes && \
  1889                test x$enable_fusionsound_shared = xyes; then
  1890                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC, "libfusionsound.so", [ ])
  1891                 fusionsound_shared=yes
  1892                 SUMMARY_audio="${SUMMARY_audio} fusionsound(dynamic)"
  1893             else
  1894                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $FUSIONSOUND_LIBS"
  1895                 SUMMARY_audio="${SUMMARY_audio} fusionsound"
  1896             fi
  1897             AC_MSG_RESULT($fusionsound_shared)
  1898             
  1899             have_audio=yes
  1900         fi
  1901     fi
  1902 }
  1903 
  1904 dnl rcg04172001 Set up the Null video driver.
  1905 CheckDummyVideo()
  1906 {
  1907     AC_ARG_ENABLE(video-dummy,
  1908 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
  1909                   , enable_video_dummy=yes)
  1910     if test x$enable_video_dummy = xyes; then
  1911         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ])
  1912         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
  1913         have_video=yes
  1914         SUMMARY_video="${SUMMARY_video} dummy"
  1915     fi
  1916 }
  1917 
  1918 dnl Check to see if OpenGL support is desired
  1919 AC_ARG_ENABLE(video-opengl,
  1920 AC_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),
  1921               , enable_video_opengl=yes)
  1922 
  1923 dnl Find OpenGL
  1924 CheckOpenGLX11()
  1925 {
  1926     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1927         AC_MSG_CHECKING(for OpenGL (GLX) support)
  1928         video_opengl=no
  1929         AC_TRY_COMPILE([
  1930          #include <GL/gl.h>
  1931          #include <GL/glx.h>
  1932         ],[
  1933         ],[
  1934         video_opengl=yes
  1935         ])
  1936         AC_MSG_RESULT($video_opengl)
  1937         if test x$video_opengl = xyes; then
  1938             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1939             AC_DEFINE(SDL_VIDEO_OPENGL_GLX, 1, [ ])
  1940             AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  1941             SUMMARY_video="${SUMMARY_video} opengl"
  1942         fi
  1943     fi
  1944 }
  1945 
  1946 dnl Check to see if OpenGL ES support is desired
  1947 AC_ARG_ENABLE(video-opengles,
  1948 AC_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [[default=yes]]]),
  1949               , enable_video_opengles=yes)
  1950 
  1951 dnl Find OpenGL ES
  1952 CheckOpenGLESX11()
  1953 {
  1954     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  1955         AC_MSG_CHECKING(for EGL support)
  1956         video_opengl_egl=no
  1957         AC_TRY_COMPILE([
  1958          #include <EGL/egl.h>
  1959          #include <EGL/eglext.h>
  1960         ],[
  1961         ],[
  1962         video_opengl_egl=yes
  1963         ])
  1964         AC_MSG_RESULT($video_opengl_egl)
  1965         if test x$video_opengl_egl = xyes; then
  1966             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  1967         fi
  1968             
  1969         AC_MSG_CHECKING(for OpenGL ES v1 headers)
  1970         video_opengles_v1=no
  1971         AC_TRY_COMPILE([
  1972          #include <GLES/gl.h>
  1973          #include <GLES/glext.h>
  1974         ],[
  1975         ],[
  1976         video_opengles_v1=yes
  1977         ])
  1978         AC_MSG_RESULT($video_opengles_v1)
  1979         if test x$video_opengles_v1 = xyes; then
  1980             AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])
  1981             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])
  1982             SUMMARY_video="${SUMMARY_video} opengl_es1"
  1983         fi
  1984         
  1985         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  1986         video_opengles_v2=no
  1987         AC_TRY_COMPILE([
  1988          #include <GLES2/gl2.h>
  1989          #include <GLES2/gl2ext.h>
  1990         ],[
  1991         ],[
  1992         video_opengles_v2=yes
  1993         ])
  1994         AC_MSG_RESULT($video_opengles_v2)
  1995         if test x$video_opengles_v2 = xyes; then
  1996             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  1997             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  1998             SUMMARY_video="${SUMMARY_video} opengl_es2"
  1999         fi
  2000     fi
  2001 }
  2002 
  2003 dnl Check for Windows OpenGL
  2004 CheckWINDOWSGL()
  2005 {
  2006     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2007         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2008         AC_DEFINE(SDL_VIDEO_OPENGL_WGL, 1, [ ])
  2009         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2010         SUMMARY_video="${SUMMARY_video} opengl"
  2011     fi
  2012 }
  2013 
  2014 dnl Check for Windows OpenGL
  2015 CheckWINDOWSGLES()
  2016 {
  2017     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2018 
  2019         AC_MSG_CHECKING(for EGL support)
  2020         video_opengl_egl=no
  2021         AC_TRY_COMPILE([
  2022          #include <EGL/egl.h>
  2023         ],[
  2024         ],[
  2025         video_opengl_egl=yes
  2026         ])
  2027         AC_MSG_RESULT($video_opengl_egl)
  2028         if test x$video_opengl_egl = xyes; then
  2029             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2030             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2031             SUMMARY_video="${SUMMARY_video} opengl_es1"
  2032         fi
  2033        
  2034         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2035         video_opengles_v2=no
  2036         AC_TRY_COMPILE([
  2037          #include <GLES2/gl2.h>
  2038          #include <GLES2/gl2ext.h>
  2039         ],[
  2040         ],[
  2041         video_opengles_v2=yes
  2042         ])
  2043         AC_MSG_RESULT($video_opengles_v2)
  2044         if test x$video_opengles_v2 = xyes; then
  2045             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2046             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2047             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2048             SUMMARY_video="${SUMMARY_video} opengl_es2"
  2049         fi
  2050     fi
  2051 }
  2052 
  2053 dnl Check for Haiku OpenGL
  2054 CheckHaikuGL()
  2055 {
  2056     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2057         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2058         AC_DEFINE(SDL_VIDEO_OPENGL_HAIKU, 1, [ ])
  2059         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2060         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  2061         SUMMARY_video="${SUMMARY_video} opengl"
  2062     fi
  2063 }
  2064 
  2065 dnl Check for MacOS OpenGL
  2066 CheckMacGL()
  2067 {
  2068     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2069         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2070         AC_DEFINE(SDL_VIDEO_OPENGL_CGL, 1, [ ])
  2071         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2072         SUMMARY_video="${SUMMARY_video} opengl"
  2073     fi
  2074 }
  2075 
  2076 dnl See if we can use the new unified event interface in Linux 2.4
  2077 CheckInputEvents()
  2078 {
  2079     dnl Check for Linux 2.4 unified input event interface support
  2080         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
  2081         use_input_events=no
  2082         AC_TRY_COMPILE([
  2083           #include <linux/input.h>
  2084         ],[
  2085           #ifndef EVIOCGNAME
  2086           #error EVIOCGNAME() ioctl not available
  2087           #endif
  2088         ],[
  2089         use_input_events=yes
  2090         ])
  2091         AC_MSG_RESULT($use_input_events)
  2092         if test x$use_input_events = xyes; then
  2093             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])
  2094             SUMMARY_input="${SUMMARY_input} linuxev"
  2095         fi
  2096 }
  2097 
  2098 dnl See if we can use the kernel kd.h header
  2099 CheckInputKD()
  2100 {
  2101 
  2102     AC_MSG_CHECKING(for Linux kd.h)
  2103     use_input_kd=no
  2104     AC_TRY_COMPILE([
  2105       #include <linux/kd.h>
  2106       #include <linux/keyboard.h>
  2107     ],[
  2108         struct kbentry kbe;
  2109         kbe.kb_table = KG_CTRL;
  2110         ioctl(0, KDGKBENT, &kbe);
  2111     ],[
  2112     use_input_kd=yes
  2113     ])
  2114     AC_MSG_RESULT($use_input_kd)
  2115     if test x$use_input_kd = xyes; then
  2116         AC_DEFINE(SDL_INPUT_LINUXKD, 1, [ ])
  2117         SUMMARY_input="${SUMMARY_input} linuxkd"
  2118     fi
  2119 }
  2120 
  2121 dnl See if the platform offers libudev for device enumeration and hotplugging.
  2122 CheckLibUDev()
  2123 {
  2124     AC_ARG_ENABLE(libudev,
  2125 AC_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),
  2126                         , enable_libudev=yes)
  2127     if test x$enable_libudev = xyes; then
  2128         AC_CHECK_HEADER(libudev.h,
  2129                         have_libudev_h_hdr=yes,
  2130                         have_libudev_h_hdr=no)
  2131         if test x$have_libudev_h_hdr = xyes; then
  2132             AC_DEFINE(HAVE_LIBUDEV_H, 1, [ ])
  2133         fi
  2134     fi
  2135 }
  2136 
  2137 dnl See if the platform offers libdbus for various IPC techniques.
  2138 CheckDBus()
  2139 {
  2140     AC_ARG_ENABLE(dbus,
  2141 AC_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),
  2142                         , enable_dbus=yes)
  2143     if test x$enable_dbus = xyes; then
  2144         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2145         if test x$PKG_CONFIG != xno; then
  2146             DBUS_CFLAGS=`$PKG_CONFIG --cflags dbus-1`
  2147             save_CFLAGS="$CFLAGS"
  2148             CFLAGS="$save_CFLAGS $DBUS_CFLAGS"
  2149             AC_CHECK_HEADER(dbus/dbus.h,
  2150                             have_dbus_dbus_h_hdr=yes,
  2151                             have_dbus_dbus_h_hdr=no)
  2152             CFLAGS="$save_CFLAGS"
  2153             if test x$have_dbus_dbus_h_hdr = xyes; then
  2154                 AC_DEFINE(HAVE_DBUS_DBUS_H, 1, [ ])
  2155                 EXTRA_CFLAGS="$EXTRA_CFLAGS $DBUS_CFLAGS"
  2156                 SOURCES="$SOURCES $srcdir/src/core/linux/SDL_dbus.c"
  2157             fi
  2158         fi
  2159     fi
  2160 }
  2161 
  2162 dnl See if the platform has libibus IME support.
  2163 CheckIBus()
  2164 {
  2165     AC_ARG_ENABLE(ibus,
  2166 AC_HELP_STRING([--enable-ibus], [enable IBus support [[default=yes]]]),
  2167                   , enable_ibus=yes)
  2168     if test x$enable_ibus = xyes; then
  2169         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2170         if test x$PKG_CONFIG != xno; then
  2171             IBUS_CFLAGS=`$PKG_CONFIG --cflags ibus-1.0`
  2172             save_CFLAGS="$CFLAGS"
  2173             CFLAGS="$save_CFLAGS $IBUS_CFLAGS"
  2174             AC_CHECK_HEADER(ibus-1.0/ibus.h,
  2175                             have_ibus_ibus_h_hdr=yes,
  2176                             have_ibus_ibus_h_hdr=no)
  2177             AC_CHECK_HEADER(sys/inotify.h,
  2178                             have_inotify_inotify_h_hdr=yes,
  2179                             have_inotify_inotify_h_hdr=no)
  2180             CFLAGS="$save_CFLAGS"
  2181             if test x$have_ibus_ibus_h_hdr = xyes; then
  2182                 if test x$enable_dbus != xyes; then
  2183                     AC_MSG_WARN([DBus support is required for IBus.])
  2184                     have_ibus_ibus_h_hdr=no
  2185                 elif test x$have_inotify_inotify_h_hdr != xyes; then
  2186                     AC_MSG_WARN([INotify support is required for IBus.])
  2187                     have_ibus_ibus_h_hdr=no
  2188                 else
  2189                     AC_DEFINE(HAVE_IBUS_IBUS_H, 1, [ ])
  2190                     EXTRA_CFLAGS="$EXTRA_CFLAGS $IBUS_CFLAGS"
  2191                     SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ibus.c"
  2192                fi
  2193             fi
  2194         fi
  2195     fi
  2196 }
  2197 
  2198 dnl See if we can use the Touchscreen input library
  2199 CheckTslib()
  2200 {
  2201     AC_ARG_ENABLE(input-tslib,
  2202 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
  2203                   , enable_input_tslib=yes)
  2204     if test x$enable_input_tslib = xyes; then
  2205         AC_MSG_CHECKING(for Touchscreen library support)
  2206         enable_input_tslib=no
  2207         AC_TRY_COMPILE([
  2208           #include "tslib.h"
  2209         ],[
  2210         ],[
  2211         enable_input_tslib=yes
  2212         ])
  2213         AC_MSG_RESULT($enable_input_tslib)
  2214         if test x$enable_input_tslib = xyes; then
  2215             AC_DEFINE(SDL_INPUT_TSLIB, 1, [ ])
  2216             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
  2217             SUMMARY_input="${SUMMARY_input} ts"
  2218         fi
  2219     fi
  2220 }
  2221 
  2222 dnl See what type of thread model to use on Linux and Solaris
  2223 CheckPTHREAD()
  2224 {
  2225     dnl Check for pthread support
  2226     AC_ARG_ENABLE(pthreads,
  2227 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
  2228                   , enable_pthreads=yes)
  2229     dnl This is used on Linux for glibc binary compatibility (Doh!)
  2230     AC_ARG_ENABLE(pthread-sem,
  2231 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
  2232                   , enable_pthread_sem=yes)
  2233     case "$host" in
  2234 	 *-*-androideabi*)
  2235             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2236             pthread_lib=""
  2237 	    ;;
  2238         *-*-linux*|*-*-uclinux*)
  2239             pthread_cflags="-D_REENTRANT"
  2240             pthread_lib="-lpthread"
  2241             ;;
  2242         *-*-bsdi*)
  2243             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2244             pthread_lib=""
  2245             ;;
  2246         *-*-darwin*)
  2247             pthread_cflags="-D_THREAD_SAFE"
  2248 # causes Carbon.p complaints?
  2249 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2250             ;;
  2251         *-*-freebsd*|*-*-dragonfly*)
  2252             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2253             pthread_lib="-pthread"
  2254             ;;
  2255         *-*-netbsd*)
  2256             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2257             pthread_lib="-lpthread"
  2258             ;;
  2259         *-*-openbsd*)
  2260             pthread_cflags="-D_REENTRANT"
  2261             pthread_lib="-pthread"
  2262             ;;
  2263         *-*-solaris2.9)
  2264             # From Solaris 9+, posix4's preferred name is rt.
  2265             pthread_cflags="-D_REENTRANT"
  2266             pthread_lib="-lpthread -lrt"
  2267             ;;
  2268         *-*-solaris2.10)
  2269             # Solaris 10+ merged pthread into libc.
  2270             pthread_cflags="-D_REENTRANT"
  2271             pthread_lib="-lrt"
  2272             ;;
  2273         *-*-solaris*)
  2274             # Solaris 11+ merged rt into libc.
  2275             pthread_cflags="-D_REENTRANT"
  2276             pthread_lib=""
  2277             ;;
  2278         *-*-sysv5*)
  2279             pthread_cflags="-D_REENTRANT -Kthread"
  2280             pthread_lib=""
  2281             ;;
  2282         *-*-aix*)
  2283             pthread_cflags="-D_REENTRANT -mthreads"
  2284             pthread_lib="-lpthread"
  2285             ;;
  2286         *-*-hpux11*)
  2287             pthread_cflags="-D_REENTRANT"
  2288             pthread_lib="-L/usr/lib -lpthread"
  2289             ;;
  2290         *-*-haiku*)
  2291             pthread_cflags="-D_REENTRANT"
  2292             pthread_lib=""
  2293             ;;
  2294         *)
  2295             pthread_cflags="-D_REENTRANT"
  2296             pthread_lib="-lpthread"
  2297             ;;
  2298     esac
  2299     if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then
  2300         # Save the original compiler flags and libraries
  2301         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2302         # Add the pthread compiler flags and libraries
  2303         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2304         # Check to see if we have pthread support on this system
  2305         AC_MSG_CHECKING(for pthreads)
  2306         use_pthreads=no
  2307         AC_TRY_LINK([
  2308          #include <pthread.h>
  2309         ],[
  2310          pthread_attr_t type;
  2311          pthread_attr_init(&type);
  2312         ],[
  2313         use_pthreads=yes
  2314         ])
  2315         AC_MSG_RESULT($use_pthreads)
  2316         # Restore the compiler flags and libraries
  2317         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2318 
  2319         # Do futher testing if we have pthread support...
  2320         if test x$use_pthreads = xyes; then
  2321             AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ])
  2322             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
  2323             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
  2324             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
  2325             SDL_LIBS="$SDL_LIBS $pthread_lib"
  2326 
  2327             # Save the original compiler flags and libraries
  2328             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2329             # Add the pthread compiler flags and libraries
  2330             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2331 
  2332             # Check to see if recursive mutexes are available
  2333             AC_MSG_CHECKING(for recursive mutexes)
  2334             has_recursive_mutexes=no
  2335             if test x$has_recursive_mutexes = xno; then
  2336                 AC_TRY_COMPILE([
  2337                   #include <pthread.h>
  2338                 ],[
  2339                   pthread_mutexattr_t attr;
  2340                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
  2341                 ],[
  2342                 has_recursive_mutexes=yes
  2343                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ])
  2344                 ])
  2345             fi
  2346             if test x$has_recursive_mutexes = xno; then
  2347                 AC_TRY_COMPILE([
  2348                   #include <pthread.h>
  2349                 ],[
  2350                   pthread_mutexattr_t attr;
  2351                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
  2352                 ],[
  2353                 has_recursive_mutexes=yes
  2354                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ])
  2355                 ])
  2356             fi
  2357             AC_MSG_RESULT($has_recursive_mutexes)
  2358 
  2359             # Check to see if pthread semaphore support is missing
  2360             if test x$enable_pthread_sem = xyes; then
  2361                 AC_MSG_CHECKING(for pthread semaphores)
  2362                 have_pthread_sem=no
  2363                 AC_TRY_COMPILE([
  2364                   #include <pthread.h>
  2365                   #include <semaphore.h>
  2366                 ],[
  2367                 ],[
  2368                 have_pthread_sem=yes
  2369                 ])
  2370                 AC_MSG_RESULT($have_pthread_sem)
  2371             fi
  2372             if test x$have_pthread_sem = xyes; then
  2373                 AC_MSG_CHECKING(for sem_timedwait)
  2374                 have_sem_timedwait=no
  2375                 AC_TRY_LINK([
  2376                   #include <pthread.h>
  2377                   #include <semaphore.h>
  2378                 ],[
  2379                   sem_timedwait(NULL, NULL);
  2380                 ],[
  2381                 have_sem_timedwait=yes
  2382                 AC_DEFINE(HAVE_SEM_TIMEDWAIT)
  2383                 ])
  2384                 AC_MSG_RESULT($have_sem_timedwait)
  2385             fi
  2386 
  2387             AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes, have_pthread_np_h=no, [ #include <pthread.h> ])
  2388             if test x$have_pthread_np_h = xyes; then
  2389                 AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ])
  2390             fi
  2391 
  2392             # Check to see if pthread naming is available
  2393             AC_MSG_CHECKING(for pthread_setname_np)
  2394             AC_TRY_LINK_FUNC(pthread_setname_np, [
  2395               has_pthread_setname_np=yes
  2396               AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ])
  2397             ],[
  2398               has_pthread_setname_np=no
  2399             ])
  2400             AC_MSG_RESULT($has_pthread_setname_np)
  2401 
  2402             AC_MSG_CHECKING(for pthread_set_name_np)
  2403             AC_TRY_LINK_FUNC(pthread_set_name_np, [
  2404               has_pthread_set_name_np=yes
  2405               AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ])
  2406             ],[
  2407               has_pthread_set_name_np=no
  2408             ])
  2409             AC_MSG_RESULT($has_pthread_set_name_np)
  2410 
  2411             # Restore the compiler flags and libraries
  2412             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2413 
  2414             # Basic thread creation functions
  2415             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
  2416 
  2417             # Semaphores
  2418             # We can fake these with mutexes and condition variables if necessary
  2419             if test x$have_pthread_sem = xyes; then
  2420                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
  2421             else
  2422                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  2423             fi
  2424 
  2425             # Mutexes
  2426             # We can fake these with semaphores if necessary
  2427             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
  2428 
  2429             # Condition variables
  2430             # We can fake these with semaphores and mutexes if necessary
  2431             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
  2432 
  2433             # Thread local storage
  2434             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systls.c"
  2435 
  2436             have_threads=yes
  2437         fi
  2438     fi
  2439 }
  2440 
  2441 dnl Determine whether the compiler can produce Windows executables
  2442 CheckWINDOWS()
  2443 {
  2444     AC_MSG_CHECKING(Windows compiler)
  2445     have_win32_gcc=no
  2446     AC_TRY_COMPILE([
  2447      #include <windows.h>
  2448     ],[
  2449     ],[
  2450     have_win32_gcc=yes
  2451     ])
  2452     AC_MSG_RESULT($have_win32_gcc)
  2453     if test x$have_win32_gcc != xyes; then
  2454        AC_MSG_ERROR([
  2455 *** Your compiler ($CC) does not produce Windows executables!
  2456        ])
  2457     fi
  2458 
  2459     AC_MSG_CHECKING(Windows CE)
  2460     have_wince=no
  2461     AC_TRY_COMPILE([
  2462 #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__)
  2463 #error This is not Windows CE
  2464 #endif
  2465     ],[
  2466     ],[
  2467     have_wince=yes
  2468        AC_MSG_ERROR([
  2469 *** Sorry, Windows CE is no longer supported.
  2470        ])
  2471     ])
  2472     AC_MSG_RESULT($have_wince)
  2473 
  2474     # This fixes Windows stack alignment with newer GCC
  2475     CheckStackBoundary
  2476 }
  2477 
  2478 dnl Find the DirectX includes and libraries
  2479 CheckDIRECTX()
  2480 {
  2481     AC_ARG_ENABLE(directx,
  2482 AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
  2483                   , enable_directx=yes)
  2484     if test x$enable_directx = xyes; then
  2485         AC_CHECK_HEADER(d3d9.h, have_d3d=yes)
  2486         AC_CHECK_HEADER(d3d11_1.h, have_d3d11=yes)
  2487         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
  2488         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
  2489         AC_CHECK_HEADER(dinput.h, have_dinput=yes)
  2490         AC_CHECK_HEADER(dxgi.h, have_dxgi=yes)
  2491         AC_CHECK_HEADER(xaudio2.h, have_xaudio2=yes)
  2492         AC_CHECK_HEADER(xinput.h, have_xinput=yes)
  2493 
  2494         if test x$have_ddraw = xyes; then
  2495             AC_DEFINE(HAVE_DDRAW_H, 1, [ ])
  2496         fi
  2497         if test x$have_dinput = xyes; then
  2498             AC_DEFINE(HAVE_DINPUT_H, 1, [ ])
  2499         fi
  2500         if test x$have_dsound = xyes; then
  2501             AC_DEFINE(HAVE_DSOUND_H, 1, [ ])
  2502         fi
  2503         if test x$have_dxgi = xyes; then
  2504             AC_DEFINE(HAVE_DXGI_H, 1, [ ])
  2505         fi
  2506         if test x$have_xinput = xyes; then
  2507             AC_DEFINE(HAVE_XINPUT_H, 1, [ ])
  2508         fi
  2509 
  2510         SUMMARY_video="${SUMMARY_video} directx"
  2511         SUMMARY_audio="${SUMMARY_audio} directx"
  2512 
  2513         # FIXME: latest Cygwin finds dinput headers, but we die on other win32 headers.
  2514         # FIXME:  ...so force it off for now.
  2515         case "$host" in
  2516             *-*-cygwin*)
  2517             have_dinput=false
  2518             ;;
  2519         esac
  2520     fi
  2521 }
  2522 
  2523 dnl Check for the dlfcn.h interface for dynamically loading objects
  2524 CheckDLOPEN()
  2525 {
  2526     AC_ARG_ENABLE(sdl-dlopen,
  2527 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
  2528                   , enable_sdl_dlopen=yes)
  2529     if test x$enable_sdl_dlopen = xyes; then
  2530         AC_MSG_CHECKING(for dlopen)
  2531         have_dlopen=no
  2532         AC_TRY_COMPILE([
  2533          #include <dlfcn.h>
  2534         ],[
  2535          void *handle = dlopen("", RTLD_NOW);
  2536          const char *loaderror = (char *) dlerror();
  2537         ],[
  2538         have_dlopen=yes
  2539         ])
  2540         AC_MSG_RESULT($have_dlopen)
  2541 
  2542         if test x$have_dlopen = xyes; then
  2543             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
  2544                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
  2545                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
  2546             AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ])
  2547             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
  2548             have_loadso=yes
  2549         fi
  2550     fi
  2551 }
  2552 
  2553 dnl Check for the usbhid(3) library on *BSD
  2554 CheckUSBHID()
  2555 {
  2556     case "$host" in
  2557         *-*-*bsd*)
  2558             if test x$enable_joystick = xyes; then
  2559                 AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
  2560                 if test x$have_libusbhid = xyes; then
  2561                     AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
  2562                     AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
  2563                     USB_LIBS="$USB_LIBS -lusbhid"
  2564                 else
  2565                     AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
  2566                     AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
  2567                     AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
  2568                 fi
  2569                     
  2570                 save_CFLAGS="$CFLAGS"
  2571                 CFLAGS="$CFLAGS $USB_CFLAGS"
  2572 
  2573                 AC_MSG_CHECKING(for usbhid)
  2574                 have_usbhid=no
  2575                 AC_TRY_COMPILE([
  2576                   #include <sys/types.h>
  2577                   #if defined(HAVE_USB_H)
  2578                   #include <usb.h>
  2579                   #endif
  2580                   #ifdef __DragonFly__
  2581                   # include <bus/usb/usb.h>
  2582                   # include <bus/usb/usbhid.h>
  2583                   #else
  2584                   # include <dev/usb/usb.h>
  2585                   # include <dev/usb/usbhid.h>
  2586                   #endif
  2587                   #if defined(HAVE_USBHID_H)
  2588                   #include <usbhid.h>
  2589                   #elif defined(HAVE_LIBUSB_H)
  2590                   #include <libusb.h>
  2591                   #elif defined(HAVE_LIBUSBHID_H)
  2592                   #include <libusbhid.h>
  2593                   #endif
  2594                 ],[
  2595                   struct report_desc *repdesc;
  2596                   struct usb_ctl_report *repbuf;
  2597                   hid_kind_t hidkind;
  2598                 ],[
  2599                 have_usbhid=yes
  2600                 ])
  2601                 AC_MSG_RESULT($have_usbhid)
  2602 
  2603                 if test x$have_usbhid = xyes; then
  2604                     AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
  2605                     have_usbhid_ucr_data=no
  2606                     AC_TRY_COMPILE([
  2607                       #include <sys/types.h>
  2608                       #if defined(HAVE_USB_H)
  2609                       #include <usb.h>
  2610                       #endif
  2611                       #ifdef __DragonFly__
  2612                       # include <bus/usb/usb.h>
  2613                       # include <bus/usb/usbhid.h>
  2614                       #else
  2615                       # include <dev/usb/usb.h>
  2616                       # include <dev/usb/usbhid.h>
  2617                       #endif
  2618                       #if defined(HAVE_USBHID_H)
  2619                       #include <usbhid.h>
  2620                       #elif defined(HAVE_LIBUSB_H)
  2621                       #include <libusb.h>
  2622                       #elif defined(HAVE_LIBUSBHID_H)
  2623                       #include <libusbhid.h>
  2624                       #endif
  2625                     ],[
  2626                       struct usb_ctl_report buf;
  2627                       if (buf.ucr_data) { }
  2628                     ],[
  2629                     have_usbhid_ucr_data=yes
  2630                     ])
  2631                     if test x$have_usbhid_ucr_data = xyes; then
  2632                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
  2633                     fi
  2634                     AC_MSG_RESULT($have_usbhid_ucr_data)
  2635                     
  2636                     AC_MSG_CHECKING(for new usbhid API)
  2637                     have_usbhid_new=no
  2638                     AC_TRY_COMPILE([
  2639                       #include <sys/types.h>
  2640                       #if defined(HAVE_USB_H)
  2641                       #include <usb.h>
  2642                       #endif
  2643                       #ifdef __DragonFly__
  2644                       #include <bus/usb/usb.h>
  2645                       #include <bus/usb/usbhid.h>
  2646                       #else
  2647                       #include <dev/usb/usb.h>
  2648                       #include <dev/usb/usbhid.h>
  2649                       #endif
  2650                       #if defined(HAVE_USBHID_H)
  2651                       #include <usbhid.h>
  2652                       #elif defined(HAVE_LIBUSB_H)
  2653                       #include <libusb.h>
  2654                       #elif defined(HAVE_LIBUSBHID_H)
  2655                       #include <libusbhid.h>
  2656                       #endif
  2657                     ],[
  2658                       report_desc_t d;
  2659                       hid_start_parse(d, 1, 1);
  2660                     ],[
  2661                     have_usbhid_new=yes
  2662                     ])
  2663                     if test x$have_usbhid_new = xyes; then
  2664                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
  2665                     fi
  2666                     AC_MSG_RESULT($have_usbhid_new)
  2667 
  2668                     AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
  2669                     have_machine_joystick=no
  2670                     AC_TRY_COMPILE([
  2671                       #include <machine/joystick.h>
  2672                     ],[
  2673                       struct joystick t;
  2674                     ],[
  2675                     have_machine_joystick=yes
  2676                     ])
  2677                     if test x$have_machine_joystick = xyes; then
  2678                         AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H, 1, [ ])
  2679                     fi
  2680                     AC_MSG_RESULT($have_machine_joystick)
  2681 
  2682                     AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ])
  2683                     SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
  2684                     EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
  2685                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
  2686                     have_joystick=yes
  2687                 fi
  2688                 CFLAGS="$save_CFLAGS"
  2689             fi
  2690         ;;
  2691     esac
  2692 }
  2693 
  2694 dnl Check for clock_gettime()
  2695 CheckClockGettime()
  2696 {
  2697     AC_ARG_ENABLE(clock_gettime,
  2698 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),
  2699                   , enable_clock_gettime=yes)
  2700     if test x$enable_clock_gettime = xyes; then
  2701         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
  2702         if test x$have_clock_gettime = xyes; then
  2703             AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2704             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
  2705         else
  2706             AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes)
  2707             if test x$have_clock_gettime = xyes; then
  2708                AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2709                EXTRA_LDFLAGS="$EXTRA_LDFLAGS"
  2710             fi
  2711         fi
  2712     fi
  2713 }
  2714 
  2715 dnl Check for a valid linux/version.h
  2716 CheckLinuxVersion()
  2717 {
  2718     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
  2719     if test x$have_linux_version_h = xyes; then
  2720         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
  2721     fi
  2722 }
  2723 
  2724 dnl Check if we want to use RPATH
  2725 CheckRPATH()
  2726 {
  2727     AC_ARG_ENABLE(rpath,
  2728 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
  2729                   , enable_rpath=yes)
  2730 }
  2731 
  2732 dnl Set up the configuration based on the host platform!
  2733 case "$host" in
  2734     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*)
  2735         case "$host" in
  2736             *-raspberry-linux*)
  2737                 # Raspberry Pi
  2738                 ARCH=linux
  2739                 RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
  2740                 CFLAGS="$CFLAGS $RPI_CFLAGS"
  2741                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
  2742                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
  2743                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L/opt/vc/lib -lbcm_host -ldl"
  2744 
  2745                 if test x$enable_video = xyes; then
  2746                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
  2747                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
  2748                 fi
  2749                 ;;
  2750             *-*-androideabi*)
  2751                 # Android
  2752                 ARCH=android
  2753                 ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"
  2754                 CFLAGS="$CFLAGS $ANDROID_CFLAGS"
  2755                 SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS"
  2756                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS"
  2757                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid"
  2758 
  2759                 if test x$enable_video = xyes; then
  2760                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
  2761                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
  2762                     SUMMARY_video="${SUMMARY_video} android"
  2763                 fi
  2764                 ;;
  2765             *-*-linux*)         ARCH=linux ;;
  2766             *-*-uclinux*)       ARCH=linux ;;
  2767             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
  2768             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
  2769             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
  2770             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
  2771             *-*-bsdi*)          ARCH=bsdi ;;
  2772             *-*-freebsd*)       ARCH=freebsd ;;
  2773             *-*-dragonfly*)     ARCH=freebsd ;;
  2774             *-*-netbsd*)        ARCH=netbsd ;;
  2775             *-*-openbsd*)       ARCH=openbsd ;;
  2776             *-*-sysv5*)         ARCH=sysv5 ;;
  2777             *-*-solaris*)       ARCH=solaris ;;
  2778             *-*-hpux*)          ARCH=hpux ;;
  2779             *-*-aix*)           ARCH=aix ;;
  2780             *-*-minix*)         ARCH=minix ;;
  2781         esac
  2782         CheckVisibilityHidden
  2783         CheckDummyVideo
  2784         CheckDiskAudio
  2785         CheckDummyAudio
  2786         CheckDLOPEN
  2787         CheckOSS
  2788         CheckALSA
  2789         CheckPulseAudio
  2790         CheckARTSC
  2791         CheckESD
  2792         CheckNAS
  2793         CheckSNDIO
  2794         CheckX11
  2795         CheckDirectFB
  2796         CheckFusionSound
  2797         CheckOpenGLX11
  2798         CheckOpenGLESX11
  2799         CheckMir
  2800         CheckWayland
  2801         CheckLibUDev
  2802         CheckDBus
  2803         CheckIBus
  2804         CheckInputEvents
  2805         CheckInputKD
  2806         CheckTslib
  2807         CheckUSBHID
  2808         CheckPTHREAD
  2809         CheckClockGettime
  2810         CheckLinuxVersion
  2811         CheckRPATH
  2812         # Set up files for the audio library
  2813         if test x$enable_audio = xyes; then
  2814           case $ARCH in
  2815             sysv5|solaris|hpux)
  2816                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ])
  2817                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  2818                 have_audio=yes
  2819             ;;
  2820             netbsd)  # Don't use this on OpenBSD, it's busted.
  2821                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD, 1, [ ])
  2822                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
  2823                 have_audio=yes
  2824             ;;
  2825             aix)
  2826                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ])
  2827                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
  2828                 have_audio=yes
  2829             ;;
  2830             android)
  2831                 AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ])
  2832                 SOURCES="$SOURCES $srcdir/src/audio/android/*.c"
  2833                 SUMMARY_audio="${SUMMARY_audio} android"
  2834                 have_audio=yes
  2835             ;;
  2836           esac
  2837         fi
  2838         # Set up files for the joystick library
  2839         if test x$enable_joystick = xyes; then
  2840           case $ARCH in
  2841             linux)
  2842                 AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ])
  2843                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
  2844                 have_joystick=yes
  2845             ;;
  2846             android)
  2847                 AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ])
  2848                 SOURCES="$SOURCES $srcdir/src/joystick/android/*.c"
  2849                 have_joystick=yes
  2850             ;;
  2851           esac
  2852         fi
  2853         # Set up files for the haptic library
  2854         if test x$enable_haptic = xyes; then
  2855            if test x$use_input_events = xyes; then
  2856              case $ARCH in
  2857                linux)
  2858                    AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ])
  2859                    SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"
  2860                    have_haptic=yes
  2861                ;;
  2862              esac
  2863            fi
  2864         fi
  2865         # Set up files for the power library
  2866         if test x$enable_power = xyes; then
  2867              case $ARCH in
  2868                linux)
  2869                    AC_DEFINE(SDL_POWER_LINUX, 1, [ ])
  2870                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"
  2871                    have_power=yes
  2872                ;;
  2873                android)
  2874                    AC_DEFINE(SDL_POWER_ANDROID, 1, [ ])
  2875                    SOURCES="$SOURCES $srcdir/src/power/android/*.c"
  2876                    have_power=yes
  2877                ;;
  2878              esac
  2879         fi
  2880         # Set up files for the filesystem library
  2881         if test x$enable_filesystem = xyes; then
  2882             AC_DEFINE(SDL_FILESYSTEM_UNIX, 1, [ ])
  2883             SOURCES="$SOURCES $srcdir/src/filesystem/unix/*.c"
  2884             have_filesystem=yes
  2885         fi
  2886         # Set up files for the timer library
  2887         if test x$enable_timers = xyes; then
  2888             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  2889             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2890             have_timers=yes
  2891         fi
  2892         # Set up files for udev hotplugging support
  2893         if test x$enable_libudev = xyes && test x$have_libudev_h_hdr = xyes; then
  2894             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_udev.c"               
  2895         fi
  2896         # Set up files for evdev input
  2897         if test x$use_input_events = xyes; then
  2898             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev.c"
  2899         fi       
  2900         ;;
  2901     *-*-cygwin* | *-*-mingw32*)
  2902         ARCH=win32
  2903         if test "$build" != "$host"; then # cross-compiling
  2904             # Default cross-compile location
  2905             ac_default_prefix=/usr/local/cross-tools/$host
  2906         else
  2907             # Look for the location of the tools and install there
  2908             if test "$BUILD_PREFIX" != ""; then
  2909                 ac_default_prefix=$BUILD_PREFIX
  2910             fi
  2911         fi
  2912         CheckDummyVideo
  2913         CheckDiskAudio
  2914         CheckDummyAudio
  2915         CheckWINDOWS
  2916         CheckWINDOWSGL
  2917         CheckWINDOWSGLES
  2918         CheckDIRECTX
  2919 
  2920         # Set up the core platform files
  2921         SOURCES="$SOURCES $srcdir/src/core/windows/*.c"
  2922 
  2923         # Set up files for the video library
  2924         if test x$enable_video = xyes; then
  2925             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])
  2926             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
  2927             have_video=yes
  2928             AC_ARG_ENABLE(render-d3d,
  2929 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
  2930                                 , enable_render_d3d=yes)
  2931             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
  2932                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])
  2933             fi
  2934             if test x$enable_render_d3d = xyes -a x$have_d3d11 = xyes; then
  2935                 AC_DEFINE(SDL_VIDEO_RENDER_D3D11, 1, [ ])
  2936             fi
  2937         fi
  2938         # Set up files for the audio library
  2939         if test x$enable_audio = xyes; then
  2940             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])
  2941             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"
  2942             if test x$have_dsound = xyes; then
  2943                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])
  2944                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"
  2945             fi
  2946             if test x$have_xaudio2 = xyes; then
  2947                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
  2948                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
  2949             fi
  2950             have_audio=yes
  2951         fi
  2952         # Set up files for the joystick library
  2953         if test x$enable_joystick = xyes; then
  2954             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
  2955                 if test x$have_xinput = xyes; then
  2956                     AC_DEFINE(SDL_JOYSTICK_XINPUT, 1, [ ])
  2957                 fi
  2958                 if test x$have_dinput = xyes; then
  2959                     AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ])
  2960                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8"
  2961                 fi
  2962             else
  2963                 AC_DEFINE(SDL_JOYSTICK_WINMM, 1, [ ])
  2964             fi
  2965             SOURCES="$SOURCES $srcdir/src/joystick/windows/*.c"
  2966             have_joystick=yes
  2967         fi
  2968         if test x$enable_haptic = xyes; then
  2969             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
  2970                 if test x$have_xinput = xyes; then
  2971                     AC_DEFINE(SDL_HAPTIC_XINPUT, 1, [ ])
  2972                 fi
  2973                 if test x$have_dinput = xyes; then
  2974                     AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ])
  2975                 fi
  2976                 SOURCES="$SOURCES $srcdir/src/haptic/windows/*.c"
  2977                 have_haptic=yes
  2978             fi
  2979         fi
  2980         if test x$enable_power = xyes; then
  2981             AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ])
  2982             SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c"
  2983             have_power=yes
  2984         fi
  2985         if test x$enable_filesystem = xyes; then
  2986             AC_DEFINE(SDL_FILESYSTEM_WINDOWS, 1, [ ])
  2987             SOURCES="$SOURCES $srcdir/src/filesystem/windows/SDL_sysfilesystem.c"
  2988             have_filesystem=yes
  2989         fi
  2990         # Set up files for the thread library
  2991         if test x$enable_threads = xyes; then
  2992             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])
  2993             SOURCES="$SOURCES $srcdir/src/thread/windows/*.c"
  2994             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2995             have_threads=yes
  2996         fi
  2997         # Set up files for the timer library
  2998         if test x$enable_timers = xyes; then
  2999             AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ])
  3000             SOURCES="$SOURCES $srcdir/src/timer/windows/*.c"
  3001             have_timers=yes
  3002         fi
  3003         # Set up files for the shared object loading library
  3004         if test x$enable_loadso = xyes; then
  3005             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])
  3006             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"
  3007             have_loadso=yes
  3008         fi
  3009         # Set up the system libraries we need
  3010         if test -f /lib/w32api/libuuid.a; then
  3011             LIBUUID=/lib/w32api/libuuid.a
  3012         else
  3013             LIBUUID=-luuid
  3014         fi
  3015         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion $LIBUUID -XCClinker -static-libgcc"
  3016         # The Windows platform requires special setup
  3017         VERSION_SOURCES="$srcdir/src/main/windows/*.rc"
  3018         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
  3019         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
  3020         SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows"
  3021 
  3022         # Check to see if this is a mingw or cygwin build
  3023         have_mingw32=
  3024         AC_CHECK_LIB(mingw32, main, [have_mingw32=yes])
  3025         if test x$have_mingw32 = xyes; then
  3026             SDL_LIBS="-lmingw32 $SDL_LIBS"
  3027         else
  3028             SDL_LIBS="-lcygwin $SDL_LIBS"
  3029         fi
  3030         ;;
  3031 
  3032     dnl BeOS support removed after SDL 2.0.1. Haiku still works.  --ryan.
  3033     *-*-beos*)
  3034         AC_MSG_ERROR([
  3035 *** BeOS support has been removed as of SDL 2.0.2.
  3036         ])
  3037         ;;
  3038 
  3039     *-*-haiku*)
  3040         ARCH=haiku
  3041         ac_default_prefix=/boot/system
  3042         CheckDummyVideo
  3043         CheckDiskAudio
  3044         CheckDummyAudio
  3045         CheckHaikuVideo
  3046         CheckHaikuGL
  3047         CheckPTHREAD
  3048 
  3049         # Set up files for the audio library
  3050         if test x$enable_audio = xyes; then
  3051             AC_DEFINE(SDL_AUDIO_DRIVER_HAIKU, 1, [ ])
  3052             SOURCES="$SOURCES $srcdir/src/audio/haiku/*.cc"
  3053             have_audio=yes
  3054         fi
  3055         # Set up files for the joystick library
  3056         if test x$enable_joystick = xyes; then
  3057             AC_DEFINE(SDL_JOYSTICK_HAIKU, 1, [ ])
  3058             SOURCES="$SOURCES $srcdir/src/joystick/haiku/*.cc"
  3059             have_joystick=yes
  3060         fi
  3061         # Set up files for the timer library
  3062         if test x$enable_timers = xyes; then
  3063             AC_DEFINE(SDL_TIMER_HAIKU, 1, [ ])
  3064             SOURCES="$SOURCES $srcdir/src/timer/haiku/*.c"
  3065             have_timers=yes
  3066         fi
  3067         # Set up files for the shared object loading library
  3068         if test x$enable_loadso = xyes; then
  3069             AC_DEFINE(SDL_LOADSO_HAIKU, 1, [ ])
  3070             SOURCES="$SOURCES $srcdir/src/loadso/haiku/*.c"
  3071             have_loadso=yes
  3072         fi
  3073         # Set up files for the system power library
  3074         if test x$enable_power = xyes; then
  3075             AC_DEFINE(SDL_POWER_HAIKU, 1, [ ])
  3076             SOURCES="$SOURCES $srcdir/src/power/haiku/*.c"
  3077             have_power=yes
  3078         fi
  3079         # Set up files for the system filesystem library
  3080         if test x$enable_filesystem = xyes; then
  3081             AC_DEFINE(SDL_FILESYSTEM_HAIKU, 1, [ ])
  3082             SOURCES="$SOURCES $srcdir/src/filesystem/haiku/*.cc"
  3083             have_filesystem=yes
  3084         fi
  3085         # The Haiku platform requires special setup.
  3086         SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES"
  3087         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
  3088         ;;
  3089     arm*-apple-darwin*)
  3090         # iOS - We are not writing anything to confdefs.h because you have to replace
  3091         # SDL_config.h for SDL_config_iphoneos.h anyway
  3092         ARCH=ios
  3093 
  3094         CheckVisibilityHidden
  3095         CheckDummyVideo
  3096         CheckDiskAudio
  3097         CheckDummyAudio
  3098         CheckDLOPEN
  3099         CheckCOCOA
  3100         CheckPTHREAD
  3101 
  3102 
  3103         # Set up files for the audio library
  3104         if test x$enable_audio = xyes; then
  3105             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  3106             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3107             have_audio=yes
  3108         fi
  3109         # Set up files for the joystick library
  3110         if test x$enable_joystick = xyes; then
  3111             SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m"
  3112             have_joystick=yes
  3113         fi
  3114         # Set up files for the haptic library
  3115         #if test x$enable_haptic = xyes; then
  3116         #    SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3117         #    have_haptic=yes
  3118         #    EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3119         #fi
  3120         # Set up files for the power library
  3121         if test x$enable_power = xyes; then
  3122             SOURCES="$SOURCES $srcdir/src/power/uikit/*.m"
  3123             have_power=yes
  3124         fi
  3125         # Set up files for the filesystem library
  3126         if test x$enable_filesystem = xyes; then
  3127             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3128             have_filesystem=yes
  3129         fi
  3130         # Set up files for the timer library
  3131         if test x$enable_timers = xyes; then
  3132             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3133             have_timers=yes
  3134         fi
  3135         # Set up additional files for the file library
  3136         if test x$enable_file = xyes; then
  3137             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3138         fi
  3139         # The iOS platform requires special setup.
  3140         SOURCES="$SOURCES $srcdir/src/video/uikit/*.m"
  3141         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3142         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -liconv -lobjc"
  3143         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Foundation"
  3144         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"
  3145         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGLES"
  3146         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"
  3147         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio"
  3148         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox"
  3149         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreGraphics"
  3150         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreMotion"
  3151         ;;
  3152     *-*-darwin* )
  3153         # This could be either full "Mac OS X", or plain "Darwin" which is
  3154         # just the OS X kernel sans upper layers like Carbon and Cocoa.
  3155         # Next line is broken, and a few files below require Mac OS X (full)
  3156         ARCH=macosx
  3157 
  3158         # Mac OS X builds with both the Carbon and OSX APIs at the moment
  3159         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
  3160         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
  3161 
  3162         CheckVisibilityHidden
  3163         CheckDummyVideo
  3164         CheckDiskAudio
  3165         CheckDummyAudio
  3166         CheckDLOPEN
  3167         CheckCOCOA
  3168         CheckX11
  3169         CheckMacGL
  3170         CheckOpenGLX11
  3171         CheckPTHREAD
  3172 
  3173         # Set up files for the audio library
  3174         if test x$enable_audio = xyes; then
  3175             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
  3176             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  3177             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3178             have_audio=yes
  3179         fi
  3180         # Set up files for the joystick library
  3181         if test x$enable_joystick = xyes; then
  3182             AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ])
  3183             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
  3184             have_joystick=yes
  3185         fi
  3186         # Set up files for the haptic library
  3187         if test x$enable_haptic = xyes; then
  3188             AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ])
  3189             SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3190             have_haptic=yes
  3191             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3192         fi
  3193         # Set up files for the power library
  3194         if test x$enable_power = xyes; then
  3195             AC_DEFINE(SDL_POWER_MACOSX, 1, [ ])
  3196             SOURCES="$SOURCES $srcdir/src/power/macosx/*.c"
  3197             have_power=yes
  3198         fi
  3199         # Set up files for the filesystem library
  3200         if test x$enable_filesystem = xyes; then
  3201             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])
  3202             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3203             have_filesystem=yes
  3204         fi
  3205         # Set up files for the timer library
  3206         if test x$enable_timers = xyes; then
  3207             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3208             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3209             have_timers=yes
  3210         fi
  3211         # Set up additional files for the file library
  3212         if test x$enable_file = xyes; then
  3213             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3214         fi
  3215         # The Mac OS X platform requires special setup.
  3216         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3217         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc"
  3218         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreVideo"
  3219         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
  3220         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
  3221         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
  3222         # If audio is used, add the AudioUnit framework
  3223         if test x$enable_audio = xyes; then
  3224             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit"
  3225         fi
  3226         ;;
  3227     *-nacl|*-pnacl)
  3228         ARCH=nacl
  3229         CheckNativeClient
  3230         CheckDummyAudio
  3231         CheckDummyVideo
  3232         CheckInputEvents
  3233         CheckPTHREAD
  3234         
  3235         # Set up files for the timer library
  3236         if test x$enable_timers = xyes; then
  3237             AC_DEFINE(SDL_TIMER_UNIX)
  3238             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3239             have_timers=yes
  3240         fi
  3241         
  3242         if test x$enable_filesystem = xyes; then
  3243             AC_DEFINE(SDL_FILESYSTEM_NACL, 1, [ ])
  3244             SOURCES="$SOURCES $srcdir/src/filesystem/nacl/*.c"
  3245             have_filesystem=yes
  3246         fi
  3247         
  3248         ;;
  3249     *)
  3250         AC_MSG_ERROR([
  3251 *** Unsupported host:  Please add to configure.in
  3252         ])
  3253         ;;
  3254 esac
  3255 
  3256 dnl Do this on all platforms, after everything else.
  3257 CheckWarnAll
  3258 CheckWarnShadow
  3259 
  3260 # Verify that we have all the platform specific files we need
  3261 
  3262 if test x$have_joystick != xyes; then
  3263     if test x$enable_joystick = xyes; then
  3264         AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
  3265     fi
  3266     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
  3267 fi
  3268 if test x$have_haptic != xyes; then
  3269     if test x$enable_haptic = xyes; then
  3270         AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
  3271     fi
  3272     SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c"
  3273 fi
  3274 if test x$have_threads != xyes; then
  3275     if test x$enable_threads = xyes; then
  3276         AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
  3277     fi
  3278     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
  3279 fi
  3280 if test x$have_timers != xyes; then
  3281     if test x$enable_timers = xyes; then
  3282         AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
  3283     fi
  3284     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
  3285 fi
  3286 if test x$have_filesystem != xyes; then
  3287     if test x$enable_filesystem = xyes; then
  3288         AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
  3289     fi
  3290     SOURCES="$SOURCES $srcdir/src/filesystem/dummy/*.c"
  3291 fi
  3292 if test x$have_loadso != xyes; then
  3293     if test x$enable_loadso = xyes; then
  3294         AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
  3295     fi
  3296     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
  3297 fi
  3298 if test x$SDLMAIN_SOURCES = x; then
  3299     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
  3300 fi
  3301 SDLTEST_SOURCES="$srcdir/src/test/*.c"
  3302 
  3303 OBJECTS=`echo $SOURCES`
  3304 DEPENDS=`echo $SOURCES | tr ' ' '\n'`
  3305 for EXT in asm cc m c S; do
  3306     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`
  3307     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\
  3308 \\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
  3309 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3310 done
  3311 
  3312 VERSION_OBJECTS=`echo $VERSION_SOURCES`
  3313 VERSION_DEPENDS=`echo $VERSION_SOURCES`
  3314 VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
  3315 VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\
  3316 \\$(objects)/\\2.o: \\1/\\2.rc\\\\
  3317 	\\$(WINDRES) \\$< \\$@,g"`
  3318 
  3319 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
  3320 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
  3321 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3322 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3323 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3324 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3325 
  3326 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`
  3327 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`
  3328 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3329 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3330 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3331 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3332 
  3333 # Set runtime shared library paths as needed
  3334 
  3335 if test "x$enable_rpath" = "xyes"; then
  3336   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
  3337     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
  3338   fi
  3339   if test $ARCH = solaris; then
  3340     SDL_RLD_FLAGS="-R\${libdir}"
  3341   fi
  3342 else
  3343   SDL_RLD_FLAGS=""
  3344 fi
  3345 
  3346 SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
  3347 
  3348 dnl Expand the cflags and libraries needed by apps using SDL
  3349 AC_SUBST(SDL_CFLAGS)
  3350 AC_SUBST(SDL_LIBS)
  3351 AC_SUBST(SDL_STATIC_LIBS)
  3352 AC_SUBST(SDL_RLD_FLAGS)
  3353 if test x$enable_shared = xyes; then
  3354     ENABLE_SHARED_TRUE=
  3355     ENABLE_SHARED_FALSE="#"
  3356 else
  3357     ENABLE_SHARED_TRUE="#"
  3358     ENABLE_SHARED_FALSE=
  3359 fi
  3360 if test x$enable_static = xyes; then
  3361     ENABLE_STATIC_TRUE=
  3362     ENABLE_STATIC_FALSE="#"
  3363 else
  3364     ENABLE_STATIC_TRUE="#"
  3365     ENABLE_STATIC_FALSE=
  3366 fi
  3367 AC_SUBST(ENABLE_SHARED_TRUE)
  3368 AC_SUBST(ENABLE_SHARED_FALSE)
  3369 AC_SUBST(ENABLE_STATIC_TRUE)
  3370 AC_SUBST(ENABLE_STATIC_FALSE)
  3371 
  3372 dnl Expand the sources and objects needed to build the library
  3373 AC_SUBST(ac_aux_dir)
  3374 AC_SUBST(INCLUDE)
  3375 AC_SUBST(OBJECTS)
  3376 AC_SUBST(VERSION_OBJECTS)
  3377 AC_SUBST(SDLMAIN_OBJECTS)
  3378 AC_SUBST(SDLTEST_OBJECTS)
  3379 AC_SUBST(BUILD_CFLAGS)
  3380 AC_SUBST(EXTRA_CFLAGS)
  3381 AC_SUBST(BUILD_LDFLAGS)
  3382 AC_SUBST(EXTRA_LDFLAGS)
  3383 AC_SUBST(WINDRES)
  3384 
  3385 cat >Makefile.rules <<__EOF__
  3386 
  3387 # Build rules for objects
  3388 -include \$(OBJECTS:.lo=.d)
  3389 
  3390 # Special dependency for SDL.c, since it depends on SDL_revision.h
  3391 $srcdir/src/SDL.c: update-revision
  3392 $DEPENDS
  3393 $VERSION_DEPENDS
  3394 $SDLMAIN_DEPENDS
  3395 $SDLTEST_DEPENDS
  3396 __EOF__
  3397 
  3398 AC_CONFIG_FILES([
  3399     Makefile:Makefile.in:Makefile.rules sdl2-config SDL2.spec sdl2.pc
  3400 ])
  3401 AC_CONFIG_COMMANDS([sdl2_config],[chmod a+x sdl2-config])
  3402 
  3403 SUMMARY="SDL2 Configure Summary:\n"
  3404 if test x$enable_shared = xyes; then
  3405     SUMMARY="${SUMMARY}Building Shared Libraries\n"
  3406 fi
  3407 if test x$enable_static = xyes; then
  3408     SUMMARY="${SUMMARY}Building Static Libraries\n"
  3409 fi
  3410 SUMMARY="${SUMMARY}Enabled modules :${SUMMARY_modules}\n"
  3411 SUMMARY="${SUMMARY}Assembly Math   :${SUMMARY_math}\n" 
  3412 SUMMARY="${SUMMARY}Audio drivers   :${SUMMARY_audio}\n"
  3413 SUMMARY="${SUMMARY}Video drivers   :${SUMMARY_video}\n"
  3414 if test x$have_x = xyes; then
  3415     SUMMARY="${SUMMARY}X11 libraries   :${SUMMARY_video_x11}\n"
  3416 fi
  3417 SUMMARY="${SUMMARY}Input drivers   :${SUMMARY_input}\n"
  3418 if test x$enable_libudev = xyes; then
  3419     SUMMARY="${SUMMARY}Using libudev   : YES\n"
  3420 else
  3421     SUMMARY="${SUMMARY}Using libudev   : NO\n"
  3422 fi
  3423 if test x$have_dbus_dbus_h_hdr = xyes; then
  3424     SUMMARY="${SUMMARY}Using dbus      : YES\n"
  3425 else
  3426     SUMMARY="${SUMMARY}Using dbus      : NO\n"
  3427 fi
  3428 if test x$have_ibus_ibus_h_hdr = xyes; then
  3429     SUMMARY="${SUMMARY}Using ibus      : YES\n"
  3430 else
  3431     SUMMARY="${SUMMARY}Using ibus      : NO\n"
  3432 fi
  3433 AC_CONFIG_COMMANDS([summary], [echo -en "$SUMMARY"], [SUMMARY="$SUMMARY"])
  3434 
  3435 AC_OUTPUT