configure.in
author Ryan C. Gordon <icculus@icculus.org>
Wed, 25 Jun 2014 17:24:06 -0400
changeset 8956 a99e30f2bf0a
parent 8922 dfb6f8611ebe
child 8962 c593cbef6d7d
permissions -rw-r--r--
Patched to compile on Windows.
     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="$CFLAGS"
     9 
    10 dnl Set various version strings - taken gratefully from the GTk sources
    11 #
    12 # Making releases:
    13 # Edit include/SDL_version.h and change the version, then:
    14 #   SDL_MICRO_VERSION += 1;
    15 #   SDL_INTERFACE_AGE += 1;
    16 #   SDL_BINARY_AGE += 1;
    17 # if any functions have been added, set SDL_INTERFACE_AGE to 0.
    18 # if backwards compatibility has been broken,
    19 # set SDL_BINARY_AGE and SDL_INTERFACE_AGE to 0.
    20 #
    21 SDL_MAJOR_VERSION=2
    22 SDL_MINOR_VERSION=0
    23 SDL_MICRO_VERSION=3
    24 SDL_INTERFACE_AGE=1
    25 SDL_BINARY_AGE=3
    26 SDL_VERSION=$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$enable_video_opengles = xyes; then
  1955         AC_MSG_CHECKING(for EGL support)
  1956         video_opengl_egl=no
  1957         AC_TRY_COMPILE([
  1958          #include <EGL/egl.h>
  1959         ],[
  1960         ],[
  1961         video_opengl_egl=yes
  1962         ])
  1963         AC_MSG_RESULT($video_opengl_egl)
  1964         if test x$video_opengl_egl = xyes; then
  1965             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  1966         fi
  1967             
  1968         AC_MSG_CHECKING(for OpenGL ES v1 headers)
  1969         video_opengles_v1=no
  1970         AC_TRY_COMPILE([
  1971          #include <GLES/gl.h>
  1972          #include <GLES/glext.h>
  1973         ],[
  1974         ],[
  1975         video_opengles_v1=yes
  1976         ])
  1977         AC_MSG_RESULT($video_opengles_v1)
  1978         if test x$video_opengles_v1 = xyes; then
  1979             AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])
  1980             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])
  1981             SUMMARY_video="${SUMMARY_video} opengl_es1"
  1982         fi
  1983         
  1984         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  1985         video_opengles_v2=no
  1986         AC_TRY_COMPILE([
  1987          #include <GLES2/gl2.h>
  1988          #include <GLES2/gl2ext.h>
  1989         ],[
  1990         ],[
  1991         video_opengles_v2=yes
  1992         ])
  1993         AC_MSG_RESULT($video_opengles_v2)
  1994         if test x$video_opengles_v2 = xyes; then
  1995             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  1996             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  1997             SUMMARY_video="${SUMMARY_video} opengl_es2"
  1998         fi
  1999     fi
  2000 }
  2001 
  2002 dnl Check for Windows OpenGL
  2003 CheckWINDOWSGL()
  2004 {
  2005     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2006         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2007         AC_DEFINE(SDL_VIDEO_OPENGL_WGL, 1, [ ])
  2008         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2009         SUMMARY_video="${SUMMARY_video} opengl"
  2010     fi
  2011 }
  2012 
  2013 dnl Check for Windows OpenGL
  2014 CheckWINDOWSGLES()
  2015 {
  2016     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2017 
  2018         AC_MSG_CHECKING(for EGL support)
  2019         video_opengl_egl=no
  2020         AC_TRY_COMPILE([
  2021          #include <EGL/egl.h>
  2022         ],[
  2023         ],[
  2024         video_opengl_egl=yes
  2025         ])
  2026         AC_MSG_RESULT($video_opengl_egl)
  2027         if test x$video_opengl_egl = xyes; then
  2028             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2029             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2030             SUMMARY_video="${SUMMARY_video} opengl_es1"
  2031         fi
  2032        
  2033         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2034         video_opengles_v2=no
  2035         AC_TRY_COMPILE([
  2036          #include <GLES2/gl2.h>
  2037          #include <GLES2/gl2ext.h>
  2038         ],[
  2039         ],[
  2040         video_opengles_v2=yes
  2041         ])
  2042         AC_MSG_RESULT($video_opengles_v2)
  2043         if test x$video_opengles_v2 = xyes; then
  2044             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2045             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2046             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2047             SUMMARY_video="${SUMMARY_video} opengl_es2"
  2048         fi
  2049     fi
  2050 }
  2051 
  2052 dnl Check for Haiku OpenGL
  2053 CheckHaikuGL()
  2054 {
  2055     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2056         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2057         AC_DEFINE(SDL_VIDEO_OPENGL_HAIKU, 1, [ ])
  2058         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2059         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  2060         SUMMARY_video="${SUMMARY_video} opengl"
  2061     fi
  2062 }
  2063 
  2064 dnl Check for MacOS OpenGL
  2065 CheckMacGL()
  2066 {
  2067     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2068         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2069         AC_DEFINE(SDL_VIDEO_OPENGL_CGL, 1, [ ])
  2070         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2071         SUMMARY_video="${SUMMARY_video} opengl"
  2072     fi
  2073 }
  2074 
  2075 dnl See if we can use the new unified event interface in Linux 2.4
  2076 CheckInputEvents()
  2077 {
  2078     dnl Check for Linux 2.4 unified input event interface support
  2079         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
  2080         use_input_events=no
  2081         AC_TRY_COMPILE([
  2082           #include <linux/input.h>
  2083         ],[
  2084           #ifndef EVIOCGNAME
  2085           #error EVIOCGNAME() ioctl not available
  2086           #endif
  2087         ],[
  2088         use_input_events=yes
  2089         ])
  2090         AC_MSG_RESULT($use_input_events)
  2091         if test x$use_input_events = xyes; then
  2092             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])
  2093             SUMMARY_input="${SUMMARY_input} linuxev"
  2094         fi
  2095 }
  2096 
  2097 dnl See if we can use the kernel kd.h header
  2098 CheckInputKD()
  2099 {
  2100 
  2101     AC_MSG_CHECKING(for Linux kd.h)
  2102     use_input_kd=no
  2103     AC_TRY_COMPILE([
  2104       #include <linux/kd.h>
  2105       #include <linux/keyboard.h>
  2106     ],[
  2107         struct kbentry kbe;
  2108         kbe.kb_table = KG_CTRL;
  2109         ioctl(0, KDGKBENT, &kbe);
  2110     ],[
  2111     use_input_kd=yes
  2112     ])
  2113     AC_MSG_RESULT($use_input_kd)
  2114     if test x$use_input_kd = xyes; then
  2115         AC_DEFINE(SDL_INPUT_LINUXKD, 1, [ ])
  2116         SUMMARY_input="${SUMMARY_input} linuxkd"
  2117     fi
  2118 }
  2119 
  2120 dnl See if the platform offers libudev for device enumeration and hotplugging.
  2121 CheckLibUDev()
  2122 {
  2123     AC_ARG_ENABLE(libudev,
  2124 AC_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),
  2125                         , enable_libudev=yes)
  2126     if test x$enable_libudev = xyes; then
  2127         AC_CHECK_HEADER(libudev.h,
  2128                         have_libudev_h_hdr=yes,
  2129                         have_libudev_h_hdr=no)
  2130         if test x$have_libudev_h_hdr = xyes; then
  2131             AC_DEFINE(HAVE_LIBUDEV_H, 1, [ ])
  2132         fi
  2133     fi
  2134 }
  2135 
  2136 dnl See if the platform offers libdbus for various IPC techniques.
  2137 CheckDBus()
  2138 {
  2139     AC_ARG_ENABLE(dbus,
  2140 AC_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),
  2141                         , enable_dbus=yes)
  2142     if test x$enable_dbus = xyes; then
  2143         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2144         if test x$PKG_CONFIG != xno; then
  2145             DBUS_CFLAGS=`$PKG_CONFIG --cflags dbus-1`
  2146             save_CFLAGS="$CFLAGS"
  2147             CFLAGS="$save_CFLAGS $DBUS_CFLAGS"
  2148             AC_CHECK_HEADER(dbus/dbus.h,
  2149                             have_dbus_dbus_h_hdr=yes,
  2150                             have_dbus_dbus_h_hdr=no)
  2151             CFLAGS="$save_CFLAGS"
  2152             if test x$have_dbus_dbus_h_hdr = xyes; then
  2153                 AC_DEFINE(HAVE_DBUS_DBUS_H, 1, [ ])
  2154                 EXTRA_CFLAGS="$EXTRA_CFLAGS $DBUS_CFLAGS"
  2155                 SOURCES="$SOURCES $srcdir/src/core/linux/SDL_dbus.c"
  2156             fi
  2157         fi
  2158     fi
  2159 }
  2160 
  2161 dnl See if the platform has libibus IME support.
  2162 CheckIBus()
  2163 {
  2164     AC_ARG_ENABLE(ibus,
  2165 AC_HELP_STRING([--enable-ibus], [enable IBus support [[default=yes]]]),
  2166                   , enable_ibus=yes)
  2167     if test x$enable_ibus = xyes; then
  2168         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2169         if test x$PKG_CONFIG != xno; then
  2170             IBUS_CFLAGS=`$PKG_CONFIG --cflags ibus-1.0`
  2171             save_CFLAGS="$CFLAGS"
  2172             CFLAGS="$save_CFLAGS $IBUS_CFLAGS"
  2173             AC_CHECK_HEADER(ibus-1.0/ibus.h,
  2174                             have_ibus_ibus_h_hdr=yes,
  2175                             have_ibus_ibus_h_hdr=no)
  2176             AC_CHECK_HEADER(sys/inotify.h,
  2177                             have_inotify_inotify_h_hdr=yes,
  2178                             have_inotify_inotify_h_hdr=no)
  2179             CFLAGS="$save_CFLAGS"
  2180             if test x$have_ibus_ibus_h_hdr = xyes; then
  2181                 if test x$enable_dbus != xyes; then
  2182                     AC_MSG_WARN([DBus support is required for IBus.])
  2183                     have_ibus_ibus_h_hdr=no
  2184                 elif test x$have_inotify_inotify_h_hdr != xyes; then
  2185                     AC_MSG_WARN([INotify support is required for IBus.])
  2186                     have_ibus_ibus_h_hdr=no
  2187                 else
  2188                     AC_DEFINE(HAVE_IBUS_IBUS_H, 1, [ ])
  2189                     EXTRA_CFLAGS="$EXTRA_CFLAGS $IBUS_CFLAGS"
  2190                     SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ibus.c"
  2191                fi
  2192             fi
  2193         fi
  2194     fi
  2195 }
  2196 
  2197 dnl See if we can use the Touchscreen input library
  2198 CheckTslib()
  2199 {
  2200     AC_ARG_ENABLE(input-tslib,
  2201 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
  2202                   , enable_input_tslib=yes)
  2203     if test x$enable_input_tslib = xyes; then
  2204         AC_MSG_CHECKING(for Touchscreen library support)
  2205         enable_input_tslib=no
  2206         AC_TRY_COMPILE([
  2207           #include "tslib.h"
  2208         ],[
  2209         ],[
  2210         enable_input_tslib=yes
  2211         ])
  2212         AC_MSG_RESULT($enable_input_tslib)
  2213         if test x$enable_input_tslib = xyes; then
  2214             AC_DEFINE(SDL_INPUT_TSLIB, 1, [ ])
  2215             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
  2216             SUMMARY_input="${SUMMARY_input} ts"
  2217         fi
  2218     fi
  2219 }
  2220 
  2221 dnl See what type of thread model to use on Linux and Solaris
  2222 CheckPTHREAD()
  2223 {
  2224     dnl Check for pthread support
  2225     AC_ARG_ENABLE(pthreads,
  2226 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
  2227                   , enable_pthreads=yes)
  2228     dnl This is used on Linux for glibc binary compatibility (Doh!)
  2229     AC_ARG_ENABLE(pthread-sem,
  2230 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
  2231                   , enable_pthread_sem=yes)
  2232     case "$host" in
  2233 	 *-*-androideabi*)
  2234             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2235             pthread_lib=""
  2236 	    ;;
  2237         *-*-linux*|*-*-uclinux*)
  2238             pthread_cflags="-D_REENTRANT"
  2239             pthread_lib="-lpthread"
  2240             ;;
  2241         *-*-bsdi*)
  2242             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2243             pthread_lib=""
  2244             ;;
  2245         *-*-darwin*)
  2246             pthread_cflags="-D_THREAD_SAFE"
  2247 # causes Carbon.p complaints?
  2248 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2249             ;;
  2250         *-*-freebsd*|*-*-dragonfly*)
  2251             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2252             pthread_lib="-pthread"
  2253             ;;
  2254         *-*-netbsd*)
  2255             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2256             pthread_lib="-lpthread"
  2257             ;;
  2258         *-*-openbsd*)
  2259             pthread_cflags="-D_REENTRANT"
  2260             pthread_lib="-pthread"
  2261             ;;
  2262         *-*-solaris2.9)
  2263             # From Solaris 9+, posix4's preferred name is rt.
  2264             pthread_cflags="-D_REENTRANT"
  2265             pthread_lib="-lpthread -lrt"
  2266             ;;
  2267         *-*-solaris2.10)
  2268             # Solaris 10+ merged pthread into libc.
  2269             pthread_cflags="-D_REENTRANT"
  2270             pthread_lib="-lrt"
  2271             ;;
  2272         *-*-solaris*)
  2273             # Solaris 11+ merged rt into libc.
  2274             pthread_cflags="-D_REENTRANT"
  2275             pthread_lib=""
  2276             ;;
  2277         *-*-sysv5*)
  2278             pthread_cflags="-D_REENTRANT -Kthread"
  2279             pthread_lib=""
  2280             ;;
  2281         *-*-aix*)
  2282             pthread_cflags="-D_REENTRANT -mthreads"
  2283             pthread_lib="-lpthread"
  2284             ;;
  2285         *-*-hpux11*)
  2286             pthread_cflags="-D_REENTRANT"
  2287             pthread_lib="-L/usr/lib -lpthread"
  2288             ;;
  2289         *-*-haiku*)
  2290             pthread_cflags="-D_REENTRANT"
  2291             pthread_lib=""
  2292             ;;
  2293         *)
  2294             pthread_cflags="-D_REENTRANT"
  2295             pthread_lib="-lpthread"
  2296             ;;
  2297     esac
  2298     if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then
  2299         # Save the original compiler flags and libraries
  2300         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2301         # Add the pthread compiler flags and libraries
  2302         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2303         # Check to see if we have pthread support on this system
  2304         AC_MSG_CHECKING(for pthreads)
  2305         use_pthreads=no
  2306         AC_TRY_LINK([
  2307          #include <pthread.h>
  2308         ],[
  2309          pthread_attr_t type;
  2310          pthread_attr_init(&type);
  2311         ],[
  2312         use_pthreads=yes
  2313         ])
  2314         AC_MSG_RESULT($use_pthreads)
  2315         # Restore the compiler flags and libraries
  2316         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2317 
  2318         # Do futher testing if we have pthread support...
  2319         if test x$use_pthreads = xyes; then
  2320             AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ])
  2321             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
  2322             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
  2323             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
  2324             SDL_LIBS="$SDL_LIBS $pthread_lib"
  2325 
  2326             # Save the original compiler flags and libraries
  2327             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2328             # Add the pthread compiler flags and libraries
  2329             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2330 
  2331             # Check to see if recursive mutexes are available
  2332             AC_MSG_CHECKING(for recursive mutexes)
  2333             has_recursive_mutexes=no
  2334             if test x$has_recursive_mutexes = xno; then
  2335                 AC_TRY_COMPILE([
  2336                   #include <pthread.h>
  2337                 ],[
  2338                   pthread_mutexattr_t attr;
  2339                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
  2340                 ],[
  2341                 has_recursive_mutexes=yes
  2342                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ])
  2343                 ])
  2344             fi
  2345             if test x$has_recursive_mutexes = xno; then
  2346                 AC_TRY_COMPILE([
  2347                   #include <pthread.h>
  2348                 ],[
  2349                   pthread_mutexattr_t attr;
  2350                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
  2351                 ],[
  2352                 has_recursive_mutexes=yes
  2353                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ])
  2354                 ])
  2355             fi
  2356             AC_MSG_RESULT($has_recursive_mutexes)
  2357 
  2358             # Check to see if pthread semaphore support is missing
  2359             if test x$enable_pthread_sem = xyes; then
  2360                 AC_MSG_CHECKING(for pthread semaphores)
  2361                 have_pthread_sem=no
  2362                 AC_TRY_COMPILE([
  2363                   #include <pthread.h>
  2364                   #include <semaphore.h>
  2365                 ],[
  2366                 ],[
  2367                 have_pthread_sem=yes
  2368                 ])
  2369                 AC_MSG_RESULT($have_pthread_sem)
  2370             fi
  2371             if test x$have_pthread_sem = xyes; then
  2372                 AC_MSG_CHECKING(for sem_timedwait)
  2373                 have_sem_timedwait=no
  2374                 AC_TRY_LINK([
  2375                   #include <pthread.h>
  2376                   #include <semaphore.h>
  2377                 ],[
  2378                   sem_timedwait(NULL, NULL);
  2379                 ],[
  2380                 have_sem_timedwait=yes
  2381                 AC_DEFINE(HAVE_SEM_TIMEDWAIT)
  2382                 ])
  2383                 AC_MSG_RESULT($have_sem_timedwait)
  2384             fi
  2385 
  2386             AC_MSG_CHECKING(for pthread_spin_trylock)
  2387             AC_TRY_LINK_FUNC(pthread_spin_trylock, [
  2388               has_pthread_spin_trylock=yes
  2389               AC_DEFINE(HAVE_PTHREAD_SPINLOCK, 1, [ ])
  2390             ],[
  2391               has_pthread_spin_trylock=no
  2392             ])
  2393             AC_MSG_RESULT($has_pthread_spin_trylock)
  2394 
  2395             AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes, have_pthread_np_h=no, [ #include <pthread.h> ])
  2396             if test x$have_pthread_np_h = xyes; then
  2397                 AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ])
  2398             fi
  2399 
  2400             # Check to see if pthread naming is available
  2401             AC_MSG_CHECKING(for pthread_setname_np)
  2402             AC_TRY_LINK_FUNC(pthread_setname_np, [
  2403               has_pthread_setname_np=yes
  2404               AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ])
  2405             ],[
  2406               has_pthread_setname_np=no
  2407             ])
  2408             AC_MSG_RESULT($has_pthread_setname_np)
  2409 
  2410             AC_MSG_CHECKING(for pthread_set_name_np)
  2411             AC_TRY_LINK_FUNC(pthread_set_name_np, [
  2412               has_pthread_set_name_np=yes
  2413               AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ])
  2414             ],[
  2415               has_pthread_set_name_np=no
  2416             ])
  2417             AC_MSG_RESULT($has_pthread_set_name_np)
  2418 
  2419             # Restore the compiler flags and libraries
  2420             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2421 
  2422             # Basic thread creation functions
  2423             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
  2424 
  2425             # Semaphores
  2426             # We can fake these with mutexes and condition variables if necessary
  2427             if test x$have_pthread_sem = xyes; then
  2428                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
  2429             else
  2430                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  2431             fi
  2432 
  2433             # Mutexes
  2434             # We can fake these with semaphores if necessary
  2435             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
  2436 
  2437             # Condition variables
  2438             # We can fake these with semaphores and mutexes if necessary
  2439             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
  2440 
  2441             # Thread local storage
  2442             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systls.c"
  2443 
  2444             have_threads=yes
  2445         fi
  2446     fi
  2447 }
  2448 
  2449 dnl Determine whether the compiler can produce Windows executables
  2450 CheckWINDOWS()
  2451 {
  2452     AC_MSG_CHECKING(Windows compiler)
  2453     have_win32_gcc=no
  2454     AC_TRY_COMPILE([
  2455      #include <windows.h>
  2456     ],[
  2457     ],[
  2458     have_win32_gcc=yes
  2459     ])
  2460     AC_MSG_RESULT($have_win32_gcc)
  2461     if test x$have_win32_gcc != xyes; then
  2462        AC_MSG_ERROR([
  2463 *** Your compiler ($CC) does not produce Windows executables!
  2464        ])
  2465     fi
  2466 
  2467     AC_MSG_CHECKING(Windows CE)
  2468     have_wince=no
  2469     AC_TRY_COMPILE([
  2470 #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__)
  2471 #error This is not Windows CE
  2472 #endif
  2473     ],[
  2474     ],[
  2475     have_wince=yes
  2476        AC_MSG_ERROR([
  2477 *** Sorry, Windows CE is no longer supported.
  2478        ])
  2479     ])
  2480     AC_MSG_RESULT($have_wince)
  2481 
  2482     # This fixes Windows stack alignment with newer GCC
  2483     CheckStackBoundary
  2484 }
  2485 
  2486 dnl Find the DirectX includes and libraries
  2487 CheckDIRECTX()
  2488 {
  2489     AC_ARG_ENABLE(directx,
  2490 AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
  2491                   , enable_directx=yes)
  2492     if test x$enable_directx = xyes; then
  2493         AC_CHECK_HEADER(d3d9.h, have_d3d=yes)
  2494         AC_CHECK_HEADER(d3d11_1.h, have_d3d11=yes)
  2495         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
  2496         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
  2497         AC_CHECK_HEADER(dinput.h, have_dinput=yes)
  2498         AC_CHECK_HEADER(xaudio2.h, have_xaudio2=yes)
  2499         AC_CHECK_HEADER(dxgi.h, have_dxgi=yes)
  2500 
  2501         SUMMARY_video="${SUMMARY_video} directx"
  2502         SUMMARY_audio="${SUMMARY_audio} directx"
  2503 
  2504         # FIXME: latest Cygwin finds dinput headers, but we die on other win32 headers.
  2505         # FIXME:  ...so force it off for now.
  2506         case "$host" in
  2507             *-*-cygwin*)
  2508             have_dinput=false
  2509             ;;
  2510         esac
  2511     fi
  2512 }
  2513 
  2514 dnl Check for the dlfcn.h interface for dynamically loading objects
  2515 CheckDLOPEN()
  2516 {
  2517     AC_ARG_ENABLE(sdl-dlopen,
  2518 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
  2519                   , enable_sdl_dlopen=yes)
  2520     if test x$enable_sdl_dlopen = xyes; then
  2521         AC_MSG_CHECKING(for dlopen)
  2522         have_dlopen=no
  2523         AC_TRY_COMPILE([
  2524          #include <dlfcn.h>
  2525         ],[
  2526          void *handle = dlopen("", RTLD_NOW);
  2527          const char *loaderror = (char *) dlerror();
  2528         ],[
  2529         have_dlopen=yes
  2530         ])
  2531         AC_MSG_RESULT($have_dlopen)
  2532 
  2533         if test x$have_dlopen = xyes; then
  2534             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
  2535                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
  2536                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
  2537             AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ])
  2538             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
  2539             have_loadso=yes
  2540         fi
  2541     fi
  2542 }
  2543 
  2544 dnl Check for the usbhid(3) library on *BSD
  2545 CheckUSBHID()
  2546 {
  2547     case "$host" in
  2548         *-*-*bsd*)
  2549             if test x$enable_joystick = xyes; then
  2550                 AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
  2551                 if test x$have_libusbhid = xyes; then
  2552                     AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
  2553                     AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
  2554                     USB_LIBS="$USB_LIBS -lusbhid"
  2555                 else
  2556                     AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
  2557                     AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
  2558                     AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
  2559                 fi
  2560                     
  2561                 save_CFLAGS="$CFLAGS"
  2562                 CFLAGS="$CFLAGS $USB_CFLAGS"
  2563 
  2564                 AC_MSG_CHECKING(for usbhid)
  2565                 have_usbhid=no
  2566                 AC_TRY_COMPILE([
  2567                   #include <sys/types.h>
  2568                   #if defined(HAVE_USB_H)
  2569                   #include <usb.h>
  2570                   #endif
  2571                   #ifdef __DragonFly__
  2572                   # include <bus/usb/usb.h>
  2573                   # include <bus/usb/usbhid.h>
  2574                   #else
  2575                   # include <dev/usb/usb.h>
  2576                   # include <dev/usb/usbhid.h>
  2577                   #endif
  2578                   #if defined(HAVE_USBHID_H)
  2579                   #include <usbhid.h>
  2580                   #elif defined(HAVE_LIBUSB_H)
  2581                   #include <libusb.h>
  2582                   #elif defined(HAVE_LIBUSBHID_H)
  2583                   #include <libusbhid.h>
  2584                   #endif
  2585                 ],[
  2586                   struct report_desc *repdesc;
  2587                   struct usb_ctl_report *repbuf;
  2588                   hid_kind_t hidkind;
  2589                 ],[
  2590                 have_usbhid=yes
  2591                 ])
  2592                 AC_MSG_RESULT($have_usbhid)
  2593 
  2594                 if test x$have_usbhid = xyes; then
  2595                     AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
  2596                     have_usbhid_ucr_data=no
  2597                     AC_TRY_COMPILE([
  2598                       #include <sys/types.h>
  2599                       #if defined(HAVE_USB_H)
  2600                       #include <usb.h>
  2601                       #endif
  2602                       #ifdef __DragonFly__
  2603                       # include <bus/usb/usb.h>
  2604                       # include <bus/usb/usbhid.h>
  2605                       #else
  2606                       # include <dev/usb/usb.h>
  2607                       # include <dev/usb/usbhid.h>
  2608                       #endif
  2609                       #if defined(HAVE_USBHID_H)
  2610                       #include <usbhid.h>
  2611                       #elif defined(HAVE_LIBUSB_H)
  2612                       #include <libusb.h>
  2613                       #elif defined(HAVE_LIBUSBHID_H)
  2614                       #include <libusbhid.h>
  2615                       #endif
  2616                     ],[
  2617                       struct usb_ctl_report buf;
  2618                       if (buf.ucr_data) { }
  2619                     ],[
  2620                     have_usbhid_ucr_data=yes
  2621                     ])
  2622                     if test x$have_usbhid_ucr_data = xyes; then
  2623                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
  2624                     fi
  2625                     AC_MSG_RESULT($have_usbhid_ucr_data)
  2626                     
  2627                     AC_MSG_CHECKING(for new usbhid API)
  2628                     have_usbhid_new=no
  2629                     AC_TRY_COMPILE([
  2630                       #include <sys/types.h>
  2631                       #if defined(HAVE_USB_H)
  2632                       #include <usb.h>
  2633                       #endif
  2634                       #ifdef __DragonFly__
  2635                       #include <bus/usb/usb.h>
  2636                       #include <bus/usb/usbhid.h>
  2637                       #else
  2638                       #include <dev/usb/usb.h>
  2639                       #include <dev/usb/usbhid.h>
  2640                       #endif
  2641                       #if defined(HAVE_USBHID_H)
  2642                       #include <usbhid.h>
  2643                       #elif defined(HAVE_LIBUSB_H)
  2644                       #include <libusb.h>
  2645                       #elif defined(HAVE_LIBUSBHID_H)
  2646                       #include <libusbhid.h>
  2647                       #endif
  2648                     ],[
  2649                       report_desc_t d;
  2650                       hid_start_parse(d, 1, 1);
  2651                     ],[
  2652                     have_usbhid_new=yes
  2653                     ])
  2654                     if test x$have_usbhid_new = xyes; then
  2655                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
  2656                     fi
  2657                     AC_MSG_RESULT($have_usbhid_new)
  2658 
  2659                     AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
  2660                     have_machine_joystick=no
  2661                     AC_TRY_COMPILE([
  2662                       #include <machine/joystick.h>
  2663                     ],[
  2664                       struct joystick t;
  2665                     ],[
  2666                     have_machine_joystick=yes
  2667                     ])
  2668                     if test x$have_machine_joystick = xyes; then
  2669                         AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H, 1, [ ])
  2670                     fi
  2671                     AC_MSG_RESULT($have_machine_joystick)
  2672 
  2673                     AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ])
  2674                     SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
  2675                     EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
  2676                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
  2677                     have_joystick=yes
  2678                 fi
  2679                 CFLAGS="$save_CFLAGS"
  2680             fi
  2681         ;;
  2682     esac
  2683 }
  2684 
  2685 dnl Check for clock_gettime()
  2686 CheckClockGettime()
  2687 {
  2688     AC_ARG_ENABLE(clock_gettime,
  2689 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),
  2690                   , enable_clock_gettime=yes)
  2691     if test x$enable_clock_gettime = xyes; then
  2692         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
  2693         if test x$have_clock_gettime = xyes; then
  2694             AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2695             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
  2696         else
  2697             AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes)
  2698             if test x$have_clock_gettime = xyes; then
  2699                AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2700                EXTRA_LDFLAGS="$EXTRA_LDFLAGS"
  2701             fi
  2702         fi
  2703     fi
  2704 }
  2705 
  2706 dnl Check for a valid linux/version.h
  2707 CheckLinuxVersion()
  2708 {
  2709     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
  2710     if test x$have_linux_version_h = xyes; then
  2711         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
  2712     fi
  2713 }
  2714 
  2715 dnl Check if we want to use RPATH
  2716 CheckRPATH()
  2717 {
  2718     AC_ARG_ENABLE(rpath,
  2719 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
  2720                   , enable_rpath=yes)
  2721 }
  2722 
  2723 dnl Set up the configuration based on the host platform!
  2724 case "$host" in
  2725     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*)
  2726         case "$host" in
  2727             *-raspberry-linux*)
  2728                 # Raspberry Pi
  2729                 ARCH=linux
  2730                 RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
  2731                 CFLAGS="$CFLAGS $RPI_CFLAGS"
  2732                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
  2733                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
  2734                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L/opt/vc/lib -lbcm_host -ldl"
  2735 
  2736                 if test x$enable_video = xyes; then
  2737                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
  2738                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
  2739                 fi
  2740                 ;;
  2741             *-*-androideabi*)
  2742                 # Android
  2743                 ARCH=android
  2744                 ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"
  2745                 CFLAGS="$CFLAGS $ANDROID_CFLAGS"
  2746                 SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS"
  2747                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS"
  2748                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid"
  2749 
  2750                 if test x$enable_video = xyes; then
  2751                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
  2752                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
  2753                     SUMMARY_video="${SUMMARY_video} android"
  2754                 fi
  2755                 ;;
  2756             *-*-linux*)         ARCH=linux ;;
  2757             *-*-uclinux*)       ARCH=linux ;;
  2758             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
  2759             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
  2760             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
  2761             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
  2762             *-*-bsdi*)          ARCH=bsdi ;;
  2763             *-*-freebsd*)       ARCH=freebsd ;;
  2764             *-*-dragonfly*)     ARCH=freebsd ;;
  2765             *-*-netbsd*)        ARCH=netbsd ;;
  2766             *-*-openbsd*)       ARCH=openbsd ;;
  2767             *-*-sysv5*)         ARCH=sysv5 ;;
  2768             *-*-solaris*)       ARCH=solaris ;;
  2769             *-*-hpux*)          ARCH=hpux ;;
  2770             *-*-aix*)           ARCH=aix ;;
  2771             *-*-minix*)         ARCH=minix ;;
  2772         esac
  2773         CheckVisibilityHidden
  2774         CheckDummyVideo
  2775         CheckDiskAudio
  2776         CheckDummyAudio
  2777         CheckDLOPEN
  2778         CheckOSS
  2779         CheckALSA
  2780         CheckPulseAudio
  2781         CheckARTSC
  2782         CheckESD
  2783         CheckNAS
  2784         CheckSNDIO
  2785         CheckX11
  2786         CheckDirectFB
  2787         CheckFusionSound
  2788         CheckOpenGLX11
  2789         CheckOpenGLESX11
  2790         CheckMir
  2791         CheckWayland
  2792         CheckLibUDev
  2793         CheckDBus
  2794         CheckIBus
  2795         CheckInputEvents
  2796         CheckInputKD
  2797         CheckTslib
  2798         CheckUSBHID
  2799         CheckPTHREAD
  2800         CheckClockGettime
  2801         CheckLinuxVersion
  2802         CheckRPATH
  2803         # Set up files for the audio library
  2804         if test x$enable_audio = xyes; then
  2805           case $ARCH in
  2806             sysv5|solaris|hpux)
  2807                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ])
  2808                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  2809                 have_audio=yes
  2810             ;;
  2811             netbsd)  # Don't use this on OpenBSD, it's busted.
  2812                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD, 1, [ ])
  2813                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
  2814                 have_audio=yes
  2815             ;;
  2816             aix)
  2817                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ])
  2818                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
  2819                 have_audio=yes
  2820             ;;
  2821             android)
  2822                 AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ])
  2823                 SOURCES="$SOURCES $srcdir/src/audio/android/*.c"
  2824                 SUMMARY_audio="${SUMMARY_audio} android"
  2825                 have_audio=yes
  2826             ;;
  2827           esac
  2828         fi
  2829         # Set up files for the joystick library
  2830         if test x$enable_joystick = xyes; then
  2831           case $ARCH in
  2832             linux)
  2833                 AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ])
  2834                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
  2835                 have_joystick=yes
  2836             ;;
  2837             android)
  2838                 AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ])
  2839                 SOURCES="$SOURCES $srcdir/src/joystick/android/*.c"
  2840                 have_joystick=yes
  2841             ;;
  2842           esac
  2843         fi
  2844         # Set up files for the haptic library
  2845         if test x$enable_haptic = xyes; then
  2846            if test x$use_input_events = xyes; then
  2847              case $ARCH in
  2848                linux)
  2849                    AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ])
  2850                    SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"
  2851                    have_haptic=yes
  2852                ;;
  2853              esac
  2854            fi
  2855         fi
  2856         # Set up files for the power library
  2857         if test x$enable_power = xyes; then
  2858              case $ARCH in
  2859                linux)
  2860                    AC_DEFINE(SDL_POWER_LINUX, 1, [ ])
  2861                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"
  2862                    have_power=yes
  2863                ;;
  2864                android)
  2865                    AC_DEFINE(SDL_POWER_ANDROID, 1, [ ])
  2866                    SOURCES="$SOURCES $srcdir/src/power/android/*.c"
  2867                    have_power=yes
  2868                ;;
  2869              esac
  2870         fi
  2871         # Set up files for the filesystem library
  2872         if test x$enable_filesystem = xyes; then
  2873             AC_DEFINE(SDL_FILESYSTEM_UNIX, 1, [ ])
  2874             SOURCES="$SOURCES $srcdir/src/filesystem/unix/*.c"
  2875             have_filesystem=yes
  2876         fi
  2877         # Set up files for the timer library
  2878         if test x$enable_timers = xyes; then
  2879             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  2880             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2881             have_timers=yes
  2882         fi
  2883         # Set up files for udev hotplugging support
  2884         if test x$enable_libudev = xyes && test x$have_libudev_h_hdr = xyes; then
  2885             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_udev.c"               
  2886         fi
  2887         # Set up files for evdev input
  2888         if test x$use_input_events = xyes; then
  2889             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev.c"
  2890         fi       
  2891         ;;
  2892     *-*-cygwin* | *-*-mingw32*)
  2893         ARCH=win32
  2894         if test "$build" != "$host"; then # cross-compiling
  2895             # Default cross-compile location
  2896             ac_default_prefix=/usr/local/cross-tools/$host
  2897         else
  2898             # Look for the location of the tools and install there
  2899             if test "$BUILD_PREFIX" != ""; then
  2900                 ac_default_prefix=$BUILD_PREFIX
  2901             fi
  2902         fi
  2903         CheckDummyVideo
  2904         CheckDiskAudio
  2905         CheckDummyAudio
  2906         CheckWINDOWS
  2907         CheckWINDOWSGL
  2908         CheckWINDOWSGLES
  2909         CheckDIRECTX
  2910 
  2911         # Set up the core platform files
  2912         SOURCES="$SOURCES $srcdir/src/core/windows/*.c"
  2913 
  2914         # Set up files for the video library
  2915         if test x$enable_video = xyes; then
  2916             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])
  2917             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
  2918             have_video=yes
  2919             AC_ARG_ENABLE(render-d3d,
  2920 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
  2921                                 , enable_render_d3d=yes)
  2922             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
  2923                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])
  2924             fi
  2925             if test x$enable_render_d3d = xyes -a x$have_d3d11 = xyes; then
  2926                 AC_DEFINE(SDL_VIDEO_RENDER_D3D11, 1, [ ])
  2927             fi
  2928         fi
  2929         if test x$have_dxgi = xyes; then
  2930             AC_DEFINE(HAVE_DXGI_H, 1, [ ])
  2931         fi
  2932         # Set up files for the audio library
  2933         if test x$enable_audio = xyes; then
  2934             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])
  2935             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"
  2936             if test x$have_dsound = xyes; then
  2937                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])
  2938                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"
  2939             fi
  2940             if test x$have_xaudio2 = xyes; then
  2941                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
  2942                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
  2943             fi
  2944             have_audio=yes
  2945         fi
  2946         # Set up files for the joystick library
  2947         if test x$enable_joystick = xyes; then
  2948             if test x$have_dinput = xyes; then
  2949                 AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ])
  2950                 SOURCES="$SOURCES $srcdir/src/joystick/windows/SDL_dxjoystick.c"
  2951                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8"
  2952             else
  2953                 AC_DEFINE(SDL_JOYSTICK_WINMM, 1, [ ])
  2954                 SOURCES="$SOURCES $srcdir/src/joystick/windows/SDL_mmjoystick.c"
  2955             fi
  2956             have_joystick=yes
  2957         fi
  2958         if test x$enable_haptic = xyes; then
  2959             if test x$have_dinput = xyes; then
  2960                 AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ])
  2961                 SOURCES="$SOURCES $srcdir/src/haptic/windows/SDL_syshaptic.c"
  2962                 have_haptic=yes
  2963             fi
  2964         fi
  2965         if test x$enable_power = xyes; then
  2966             AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ])
  2967             SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c"
  2968             have_power=yes
  2969         fi
  2970         if test x$enable_filesystem = xyes; then
  2971             AC_DEFINE(SDL_FILESYSTEM_WINDOWS, 1, [ ])
  2972             SOURCES="$SOURCES $srcdir/src/filesystem/windows/SDL_sysfilesystem.c"
  2973             have_filesystem=yes
  2974         fi
  2975         # Set up files for the thread library
  2976         if test x$enable_threads = xyes; then
  2977             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])
  2978             SOURCES="$SOURCES $srcdir/src/thread/windows/*.c"
  2979             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2980             have_threads=yes
  2981         fi
  2982         # Set up files for the timer library
  2983         if test x$enable_timers = xyes; then
  2984             AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ])
  2985             SOURCES="$SOURCES $srcdir/src/timer/windows/*.c"
  2986             have_timers=yes
  2987         fi
  2988         # Set up files for the shared object loading library
  2989         if test x$enable_loadso = xyes; then
  2990             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])
  2991             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"
  2992             have_loadso=yes
  2993         fi
  2994         # Set up the system libraries we need
  2995         if test -f /lib/w32api/libuuid.a; then
  2996             LIBUUID=/lib/w32api/libuuid.a
  2997         else
  2998             LIBUUID=-luuid
  2999         fi
  3000         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion $LIBUUID -XCClinker -static-libgcc"
  3001         # The Windows platform requires special setup
  3002         VERSION_SOURCES="$srcdir/src/main/windows/*.rc"
  3003         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
  3004         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
  3005         SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows"
  3006 
  3007         # Check to see if this is a mingw or cygwin build
  3008         have_mingw32=
  3009         AC_CHECK_LIB(mingw32, main, [have_mingw32=yes])
  3010         if test x$have_mingw32 = xyes; then
  3011             SDL_LIBS="-lmingw32 $SDL_LIBS"
  3012         else
  3013             SDL_LIBS="-lcygwin $SDL_LIBS"
  3014         fi
  3015         ;;
  3016 
  3017     dnl BeOS support removed after SDL 2.0.1. Haiku still works.  --ryan.
  3018     *-*-beos*)
  3019         AC_MSG_ERROR([
  3020 *** BeOS support has been removed as of SDL 2.0.2.
  3021         ])
  3022         ;;
  3023 
  3024     *-*-haiku*)
  3025         ARCH=haiku
  3026         ac_default_prefix=/boot/system
  3027         CheckDummyVideo
  3028         CheckDiskAudio
  3029         CheckDummyAudio
  3030         CheckHaikuVideo
  3031         CheckHaikuGL
  3032         CheckPTHREAD
  3033 
  3034         # Set up files for the audio library
  3035         if test x$enable_audio = xyes; then
  3036             AC_DEFINE(SDL_AUDIO_DRIVER_HAIKU, 1, [ ])
  3037             SOURCES="$SOURCES $srcdir/src/audio/haiku/*.cc"
  3038             have_audio=yes
  3039         fi
  3040         # Set up files for the joystick library
  3041         if test x$enable_joystick = xyes; then
  3042             AC_DEFINE(SDL_JOYSTICK_HAIKU, 1, [ ])
  3043             SOURCES="$SOURCES $srcdir/src/joystick/haiku/*.cc"
  3044             have_joystick=yes
  3045         fi
  3046         # Set up files for the timer library
  3047         if test x$enable_timers = xyes; then
  3048             AC_DEFINE(SDL_TIMER_HAIKU, 1, [ ])
  3049             SOURCES="$SOURCES $srcdir/src/timer/haiku/*.c"
  3050             have_timers=yes
  3051         fi
  3052         # Set up files for the shared object loading library
  3053         if test x$enable_loadso = xyes; then
  3054             AC_DEFINE(SDL_LOADSO_HAIKU, 1, [ ])
  3055             SOURCES="$SOURCES $srcdir/src/loadso/haiku/*.c"
  3056             have_loadso=yes
  3057         fi
  3058         # Set up files for the system power library
  3059         if test x$enable_power = xyes; then
  3060             AC_DEFINE(SDL_POWER_HAIKU, 1, [ ])
  3061             SOURCES="$SOURCES $srcdir/src/power/haiku/*.c"
  3062             have_power=yes
  3063         fi
  3064         # Set up files for the system filesystem library
  3065         if test x$enable_filesystem = xyes; then
  3066             AC_DEFINE(SDL_FILESYSTEM_HAIKU, 1, [ ])
  3067             SOURCES="$SOURCES $srcdir/src/filesystem/haiku/*.cc"
  3068             have_filesystem=yes
  3069         fi
  3070         # The Haiku platform requires special setup.
  3071         SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES"
  3072         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
  3073         ;;
  3074     arm*-apple-darwin*)
  3075         # iOS - We are not writing anything to confdefs.h because you have to replace
  3076         # SDL_config.h for SDL_config_iphoneos.h anyway
  3077         ARCH=ios
  3078 
  3079         CheckVisibilityHidden
  3080         CheckDummyVideo
  3081         CheckDiskAudio
  3082         CheckDummyAudio
  3083         CheckDLOPEN
  3084         CheckCOCOA
  3085         CheckPTHREAD
  3086 
  3087 
  3088         # Set up files for the audio library
  3089         if test x$enable_audio = xyes; then
  3090             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  3091             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3092             have_audio=yes
  3093         fi
  3094         # Set up files for the joystick library
  3095         if test x$enable_joystick = xyes; then
  3096             SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m"
  3097             have_joystick=yes
  3098         fi
  3099         # Set up files for the haptic library
  3100         #if test x$enable_haptic = xyes; then
  3101         #    SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3102         #    have_haptic=yes
  3103         #    EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3104         #fi
  3105         # Set up files for the power library
  3106         if test x$enable_power = xyes; then
  3107             SOURCES="$SOURCES $srcdir/src/power/uikit/*.m"
  3108             have_power=yes
  3109         fi
  3110         # Set up files for the filesystem library
  3111         if test x$enable_filesystem = xyes; then
  3112             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3113             have_filesystem=yes
  3114         fi
  3115         # Set up files for the timer library
  3116         if test x$enable_timers = xyes; then
  3117             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3118             have_timers=yes
  3119         fi
  3120         # Set up additional files for the file library
  3121         if test x$enable_file = xyes; then
  3122             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3123         fi
  3124         # The iOS platform requires special setup.
  3125         SOURCES="$SOURCES $srcdir/src/video/uikit/*.m"
  3126         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3127         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -liconv -lobjc"
  3128         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Foundation"
  3129         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"
  3130         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGLES"
  3131         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"
  3132         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio"
  3133         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox"
  3134         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreGraphics"
  3135         ;;
  3136     *-*-darwin* )
  3137         # This could be either full "Mac OS X", or plain "Darwin" which is
  3138         # just the OS X kernel sans upper layers like Carbon and Cocoa.
  3139         # Next line is broken, and a few files below require Mac OS X (full)
  3140         ARCH=macosx
  3141 
  3142         # Mac OS X builds with both the Carbon and OSX APIs at the moment
  3143         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
  3144         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
  3145 
  3146         CheckVisibilityHidden
  3147         CheckDummyVideo
  3148         CheckDiskAudio
  3149         CheckDummyAudio
  3150         CheckDLOPEN
  3151         CheckCOCOA
  3152         CheckX11
  3153         CheckMacGL
  3154         CheckOpenGLX11
  3155         CheckPTHREAD
  3156 
  3157         # Set up files for the audio library
  3158         if test x$enable_audio = xyes; then
  3159             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
  3160             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  3161             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3162             have_audio=yes
  3163         fi
  3164         # Set up files for the joystick library
  3165         if test x$enable_joystick = xyes; then
  3166             AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ])
  3167             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
  3168             have_joystick=yes
  3169         fi
  3170         # Set up files for the haptic library
  3171         if test x$enable_haptic = xyes; then
  3172             AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ])
  3173             SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3174             have_haptic=yes
  3175             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3176         fi
  3177         # Set up files for the power library
  3178         if test x$enable_power = xyes; then
  3179             AC_DEFINE(SDL_POWER_MACOSX, 1, [ ])
  3180             SOURCES="$SOURCES $srcdir/src/power/macosx/*.c"
  3181             have_power=yes
  3182         fi
  3183         # Set up files for the filesystem library
  3184         if test x$enable_filesystem = xyes; then
  3185             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])
  3186             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3187             have_filesystem=yes
  3188         fi
  3189         # Set up files for the timer library
  3190         if test x$enable_timers = xyes; then
  3191             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3192             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3193             have_timers=yes
  3194         fi
  3195         # Set up additional files for the file library
  3196         if test x$enable_file = xyes; then
  3197             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3198         fi
  3199         # The Mac OS X platform requires special setup.
  3200         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3201         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc"
  3202         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
  3203         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
  3204         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
  3205         # If audio is used, add the AudioUnit framework
  3206         if test x$enable_audio = xyes; then
  3207             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit"
  3208         fi
  3209         ;;
  3210     *-nacl|*-pnacl)
  3211         ARCH=nacl
  3212         CheckNativeClient
  3213         CheckDummyAudio
  3214         CheckDummyVideo
  3215         CheckInputEvents
  3216         CheckPTHREAD
  3217         
  3218         # Set up files for the timer library
  3219         if test x$enable_timers = xyes; then
  3220             AC_DEFINE(SDL_TIMER_UNIX)
  3221             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3222             have_timers=yes
  3223         fi
  3224         
  3225         if test x$enable_filesystem = xyes; then
  3226             AC_DEFINE(SDL_FILESYSTEM_NACL, 1, [ ])
  3227             SOURCES="$SOURCES $srcdir/src/filesystem/nacl/*.c"
  3228             have_filesystem=yes
  3229         fi
  3230         
  3231         ;;
  3232     *)
  3233         AC_MSG_ERROR([
  3234 *** Unsupported host:  Please add to configure.in
  3235         ])
  3236         ;;
  3237 esac
  3238 
  3239 dnl Do this on all platforms, after everything else.
  3240 CheckWarnAll
  3241 CheckWarnShadow
  3242 
  3243 # Verify that we have all the platform specific files we need
  3244 
  3245 if test x$have_joystick != xyes; then
  3246     if test x$enable_joystick = xyes; then
  3247         AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
  3248     fi
  3249     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
  3250 fi
  3251 if test x$have_haptic != xyes; then
  3252     if test x$enable_haptic = xyes; then
  3253         AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
  3254     fi
  3255     SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c"
  3256 fi
  3257 if test x$have_threads != xyes; then
  3258     if test x$enable_threads = xyes; then
  3259         AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
  3260     fi
  3261     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
  3262 fi
  3263 if test x$have_timers != xyes; then
  3264     if test x$enable_timers = xyes; then
  3265         AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
  3266     fi
  3267     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
  3268 fi
  3269 if test x$have_filesystem != xyes; then
  3270     if test x$enable_filesystem = xyes; then
  3271         AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
  3272     fi
  3273     SOURCES="$SOURCES $srcdir/src/filesystem/dummy/*.c"
  3274 fi
  3275 if test x$have_loadso != xyes; then
  3276     if test x$enable_loadso = xyes; then
  3277         AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
  3278     fi
  3279     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
  3280 fi
  3281 if test x$SDLMAIN_SOURCES = x; then
  3282     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
  3283 fi
  3284 SDLTEST_SOURCES="$srcdir/src/test/*.c"
  3285 
  3286 OBJECTS=`echo $SOURCES`
  3287 DEPENDS=`echo $SOURCES | tr ' ' '\n'`
  3288 for EXT in asm cc m c S; do
  3289     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`
  3290     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\
  3291 \\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
  3292 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3293 done
  3294 
  3295 VERSION_OBJECTS=`echo $VERSION_SOURCES`
  3296 VERSION_DEPENDS=`echo $VERSION_SOURCES`
  3297 VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
  3298 VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\
  3299 \\$(objects)/\\2.o: \\1/\\2.rc\\\\
  3300 	\\$(WINDRES) \\$< \\$@,g"`
  3301 
  3302 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
  3303 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
  3304 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3305 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3306 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3307 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3308 
  3309 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`
  3310 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`
  3311 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3312 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3313 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3314 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3315 
  3316 # Set runtime shared library paths as needed
  3317 
  3318 if test "x$enable_rpath" = "xyes"; then
  3319   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
  3320     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
  3321   fi
  3322   if test $ARCH = solaris; then
  3323     SDL_RLD_FLAGS="-R\${libdir}"
  3324   fi
  3325 else
  3326   SDL_RLD_FLAGS=""
  3327 fi
  3328 
  3329 SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
  3330 
  3331 dnl Expand the cflags and libraries needed by apps using SDL
  3332 AC_SUBST(SDL_CFLAGS)
  3333 AC_SUBST(SDL_LIBS)
  3334 AC_SUBST(SDL_STATIC_LIBS)
  3335 AC_SUBST(SDL_RLD_FLAGS)
  3336 if test x$enable_shared = xyes; then
  3337     ENABLE_SHARED_TRUE=
  3338     ENABLE_SHARED_FALSE="#"
  3339 else
  3340     ENABLE_SHARED_TRUE="#"
  3341     ENABLE_SHARED_FALSE=
  3342 fi
  3343 if test x$enable_static = xyes; then
  3344     ENABLE_STATIC_TRUE=
  3345     ENABLE_STATIC_FALSE="#"
  3346 else
  3347     ENABLE_STATIC_TRUE="#"
  3348     ENABLE_STATIC_FALSE=
  3349 fi
  3350 AC_SUBST(ENABLE_SHARED_TRUE)
  3351 AC_SUBST(ENABLE_SHARED_FALSE)
  3352 AC_SUBST(ENABLE_STATIC_TRUE)
  3353 AC_SUBST(ENABLE_STATIC_FALSE)
  3354 
  3355 dnl Expand the sources and objects needed to build the library
  3356 AC_SUBST(ac_aux_dir)
  3357 AC_SUBST(INCLUDE)
  3358 AC_SUBST(OBJECTS)
  3359 AC_SUBST(VERSION_OBJECTS)
  3360 AC_SUBST(SDLMAIN_OBJECTS)
  3361 AC_SUBST(SDLTEST_OBJECTS)
  3362 AC_SUBST(BUILD_CFLAGS)
  3363 AC_SUBST(EXTRA_CFLAGS)
  3364 AC_SUBST(BUILD_LDFLAGS)
  3365 AC_SUBST(EXTRA_LDFLAGS)
  3366 AC_SUBST(WINDRES)
  3367 
  3368 cat >Makefile.rules <<__EOF__
  3369 
  3370 # Build rules for objects
  3371 -include \$(OBJECTS:.lo=.d)
  3372 
  3373 # Special dependency for SDL.c, since it depends on SDL_revision.h
  3374 $srcdir/src/SDL.c: update-revision
  3375 $DEPENDS
  3376 $VERSION_DEPENDS
  3377 $SDLMAIN_DEPENDS
  3378 $SDLTEST_DEPENDS
  3379 __EOF__
  3380 
  3381 AC_CONFIG_FILES([
  3382     Makefile:Makefile.in:Makefile.rules sdl2-config SDL2.spec sdl2.pc
  3383 ])
  3384 AC_CONFIG_COMMANDS([sdl2_config],[chmod a+x sdl2-config])
  3385 
  3386 SUMMARY="SDL2 Configure Summary:\n"
  3387 if test x$enable_shared = xyes; then
  3388     SUMMARY="${SUMMARY}Building Shared Libraries\n"
  3389 fi
  3390 if test x$enable_static = xyes; then
  3391     SUMMARY="${SUMMARY}Building Static Libraries\n"
  3392 fi
  3393 SUMMARY="${SUMMARY}Enabled modules :${SUMMARY_modules}\n"
  3394 SUMMARY="${SUMMARY}Assembly Math   :${SUMMARY_math}\n" 
  3395 SUMMARY="${SUMMARY}Audio drivers   :${SUMMARY_audio}\n"
  3396 SUMMARY="${SUMMARY}Video drivers   :${SUMMARY_video}\n"
  3397 if test x$have_x = xyes; then
  3398     SUMMARY="${SUMMARY}X11 libraries   :${SUMMARY_video_x11}\n"
  3399 fi
  3400 SUMMARY="${SUMMARY}Input drivers   :${SUMMARY_input}\n"
  3401 if test x$enable_libudev = xyes; then
  3402     SUMMARY="${SUMMARY}Using libudev   : YES\n"
  3403 else
  3404     SUMMARY="${SUMMARY}Using libudev   : NO\n"
  3405 fi
  3406 if test x$have_dbus_dbus_h_hdr = xyes; then
  3407     SUMMARY="${SUMMARY}Using dbus      : YES\n"
  3408 else
  3409     SUMMARY="${SUMMARY}Using dbus      : NO\n"
  3410 fi
  3411 if test x$have_ibus_ibus_h_hdr = xyes; then
  3412     SUMMARY="${SUMMARY}Using ibus      : YES\n"
  3413 else
  3414     SUMMARY="${SUMMARY}Using ibus      : NO\n"
  3415 fi
  3416 AC_CONFIG_COMMANDS([summary], [echo -en "$SUMMARY"], [SUMMARY="$SUMMARY"])
  3417 
  3418 AC_OUTPUT