configure.in
author Ryan C. Gordon <icculus@icculus.org>
Fri, 18 Sep 2015 16:22:23 -0400
changeset 9875 620024536f80
parent 9785 6e87ae760e6d
child 9877 e6fa7403893b
permissions -rw-r--r--
Added copyright information on test/sample.wav; the mystery is solved! :)
     1 dnl Process this file with autoconf to produce a configure script.
     2 AC_INIT(README.txt)
     3 AC_CONFIG_HEADER(include/SDL_config.h)
     4 AC_CONFIG_AUX_DIR(build-scripts)
     5 AC_CONFIG_MACRO_DIR([acinclude])
     6 
     7 dnl Save the CFLAGS to see whether they were passed in or generated
     8 orig_CFLAGS="$CFLAGS"
     9 
    10 dnl Set various version strings - taken gratefully from the GTk sources
    11 #
    12 # Making releases:
    13 # Edit include/SDL_version.h and change the version, then:
    14 #   SDL_MICRO_VERSION += 1;
    15 #   SDL_INTERFACE_AGE += 1;
    16 #   SDL_BINARY_AGE += 1;
    17 # if any functions have been added, set SDL_INTERFACE_AGE to 0.
    18 # if backwards compatibility has been broken,
    19 # set SDL_BINARY_AGE and SDL_INTERFACE_AGE to 0.
    20 #
    21 SDL_MAJOR_VERSION=2
    22 SDL_MINOR_VERSION=0
    23 SDL_MICRO_VERSION=4
    24 SDL_INTERFACE_AGE=0
    25 SDL_BINARY_AGE=4
    26 SDL_VERSION=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION.$SDL_MICRO_VERSION
    27 
    28 AC_SUBST(SDL_MAJOR_VERSION)
    29 AC_SUBST(SDL_MINOR_VERSION)
    30 AC_SUBST(SDL_MICRO_VERSION)
    31 AC_SUBST(SDL_INTERFACE_AGE)
    32 AC_SUBST(SDL_BINARY_AGE)
    33 AC_SUBST(SDL_VERSION)
    34 
    35 # libtool versioning
    36 LT_INIT([win32-dll])
    37 
    38 LT_RELEASE=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION
    39 LT_CURRENT=`expr $SDL_MICRO_VERSION - $SDL_INTERFACE_AGE`
    40 LT_REVISION=$SDL_INTERFACE_AGE
    41 LT_AGE=`expr $SDL_BINARY_AGE - $SDL_INTERFACE_AGE`
    42 m4_pattern_allow([^LT_])
    43 
    44 AC_SUBST(LT_RELEASE)
    45 AC_SUBST(LT_CURRENT)
    46 AC_SUBST(LT_REVISION)
    47 AC_SUBST(LT_AGE)
    48 
    49 dnl Detect the canonical build and host environments
    50 dnl AC_CANONICAL_HOST
    51 
    52 dnl Check for tools
    53 AC_PROG_LIBTOOL
    54 AC_PROG_CC
    55 AC_PROG_CXX
    56 AC_PROG_INSTALL
    57 AC_PROG_MAKE_SET
    58 AC_CHECK_TOOL(WINDRES, [windres], [:])
    59 
    60 dnl Make sure that srcdir is a full pathname
    61 case "$host" in
    62     *-*-mingw32*)
    63         # Except on msys, where make can't handle full pathnames (bug 1972)
    64         ;;
    65     *)
    66         srcdir=`cd $srcdir && pwd`
    67         ;;
    68 esac
    69 
    70 dnl Set up the compiler and linker flags
    71 INCLUDE="-I$srcdir/include"
    72 if test x$srcdir != x.; then
    73     INCLUDE="-Iinclude $INCLUDE"
    74 elif test -d .hg; then
    75     AC_MSG_ERROR([
    76 *** When building from Mercurial you should configure and build in a
    77     separate directory so you don't clobber SDL_config.h, SDL_revision.h
    78 ])
    79 fi
    80 BASE_CFLAGS=""
    81 BASE_LDFLAGS=""
    82 case "$host" in
    83     *-*-cygwin*)
    84         # We build SDL on cygwin without the UNIX emulation layer
    85         save_CFLAGS="$CFLAGS"
    86         have_no_cygwin=no
    87         AC_MSG_CHECKING(for GCC -mno-cygwin option)
    88         CFLAGS="$save_CFLAGS -mno-cygwin"
    89 
    90         AC_TRY_COMPILE([
    91         ],[
    92         ],[
    93         have_no_cygwin=yes
    94         ])
    95         AC_MSG_RESULT($have_no_cygwin)
    96         CFLAGS="$save_CFLAGS"
    97 
    98         if test x$have_no_cygwin = xyes; then
    99             BASE_CFLAGS="-mno-cygwin"
   100             BASE_LDFLAGS="-mno-cygwin"
   101         fi
   102         BASE_CFLAGS="$BASE_CFLAGS -I/usr/include/mingw"
   103         ;;
   104 esac
   105 # Uncomment the following line if you want to force SDL and applications
   106 # built with it to be compiled for a particular architecture.
   107 #AX_GCC_ARCHFLAG([no], [BASE_CFLAGS="$BASE_CFLAGS $ax_cv_gcc_archflag]")
   108 BUILD_CFLAGS="$CFLAGS $CPPFLAGS -DUSING_GENERATED_CONFIG_H"
   109 # The default optimization for SDL is -O3 (Bug #31)
   110 if test "x$orig_CFLAGS" = x; then
   111     BUILD_CFLAGS=`echo $BUILD_CFLAGS | sed 's/-O2/-O3/'`
   112 fi
   113 EXTRA_CFLAGS="$INCLUDE $BASE_CFLAGS"
   114 BUILD_LDFLAGS="$LDFLAGS"
   115 EXTRA_LDFLAGS="$BASE_LDFLAGS"
   116 ## These are common directories to find software packages
   117 #for path in /usr/freeware /usr/pkg /usr/X11R6 /usr/local; do
   118 #    if test -d $path/include; then
   119 #        EXTRA_CFLAGS="$EXTRA_CFLAGS -I$path/include"
   120 #    fi
   121 #    if test -d $path/lib; then
   122 #        EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L$path/lib"
   123 #    fi
   124 #done
   125 SDL_CFLAGS="$BASE_CFLAGS"
   126 SDL_LIBS="-lSDL2 $BASE_LDFLAGS"
   127 CPPFLAGS="$CPPFLAGS $EXTRA_CFLAGS"
   128 CFLAGS="$CFLAGS $EXTRA_CFLAGS"
   129 LDFLAGS="$LDFLAGS $EXTRA_LDFLAGS"
   130 
   131 dnl set this to use on systems that use lib64 instead of lib
   132 base_libdir=`echo \${libdir} | sed 's/.*\/\(.*\)/\1/; q'`
   133 
   134 dnl Function to find a library in the compiler search path
   135 find_lib()
   136 {
   137     gcc_bin_path=[`$CC -print-search-dirs 2>/dev/null | fgrep programs: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
   138     gcc_lib_path=[`$CC -print-search-dirs 2>/dev/null | fgrep libraries: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
   139     env_lib_path=[`echo $LIBS $LDFLAGS $* | sed 's/-L[ ]*//g'`]
   140     if test "$cross_compiling" = yes; then
   141         host_lib_path=""
   142     else
   143         host_lib_path="/usr/$base_libdir /usr/local/$base_libdir"
   144     fi
   145     for path in $env_lib_path $gcc_bin_path $gcc_lib_path $host_lib_path; do
   146         lib=[`ls -- $path/$1 2>/dev/null | sed -e '/\.so\..*\./d' -e 's,.*/,,' | sort | tail -1`]
   147         if test x$lib != x; then
   148             echo $lib
   149             return
   150         fi
   151     done
   152 }
   153 
   154 dnl Check for compiler characteristics
   155 AC_C_CONST
   156 AC_C_INLINE
   157 AC_C_VOLATILE
   158 
   159 dnl See whether we want assertions for debugging/sanity checking SDL itself.
   160 AC_ARG_ENABLE(assertions,
   161 AC_HELP_STRING([--enable-assertions],
   162                [Enable internal sanity checks (auto/disabled/release/enabled/paranoid) [[default=auto]]]),
   163               , enable_assertions=auto)
   164 case "$enable_assertions" in
   165     auto) # Use optimization settings to determine assertion level
   166         ;;
   167     disabled)
   168         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 0, [ ])
   169         ;;
   170     release)
   171         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 1, [ ])
   172         ;;
   173     enabled)
   174         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 2, [ ])
   175         ;;
   176     paranoid)
   177         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 3, [ ])
   178         ;;
   179     *)
   180         AC_MSG_ERROR([*** unknown assertion level. stop.])
   181         ;;
   182 esac
   183 
   184 dnl See whether we can use gcc style dependency tracking
   185 AC_ARG_ENABLE(dependency-tracking,
   186 AC_HELP_STRING([--enable-dependency-tracking],
   187                [Use gcc -MMD -MT dependency tracking [[default=yes]]]),
   188               , enable_dependency_tracking=yes)
   189 if test x$enable_dependency_tracking = xyes; then
   190     have_gcc_mmd_mt=no
   191     AC_MSG_CHECKING(for GCC -MMD -MT option)
   192     AC_TRY_COMPILE([
   193     #if !defined(__GNUC__) || __GNUC__ < 3
   194     #error Dependency tracking requires GCC 3.0 or newer
   195     #endif
   196     ],[
   197     ],[
   198     have_gcc_mmd_mt=yes
   199     ])
   200     AC_MSG_RESULT($have_gcc_mmd_mt)
   201 
   202     if test x$have_gcc_mmd_mt = xyes; then
   203         DEPENDENCY_TRACKING_OPTIONS="-MMD -MT \$@"
   204     fi
   205 fi
   206 
   207 AC_MSG_CHECKING(for linker option --no-undefined)
   208 have_no_undefined=no
   209 case "$host" in
   210     dnl Skip this on platforms where it is just simply busted.
   211     *-*-openbsd*)
   212         ;;
   213 
   214     *)
   215         save_LDFLAGS="$LDFLAGS"
   216         LDFLAGS="$LDFLAGS -Wl,--no-undefined"
   217         AC_TRY_LINK([
   218         ],[
   219         ],[
   220         have_no_undefined=yes
   221         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,--no-undefined"
   222         ])
   223         LDFLAGS="$save_LDFLAGS"
   224         ;;
   225 esac
   226 AC_MSG_RESULT($have_no_undefined)
   227 
   228 dnl See whether we are allowed to use the system C library
   229 AC_ARG_ENABLE(libc,
   230 AC_HELP_STRING([--enable-libc], [Use the system C library [[default=yes]]]),
   231               , enable_libc=yes)
   232 if test x$enable_libc = xyes; then
   233     AC_DEFINE(HAVE_LIBC, 1, [ ])
   234 
   235     dnl Check for C library headers
   236     AC_HEADER_STDC
   237     AC_CHECK_HEADERS(sys/types.h stdio.h stdlib.h stddef.h stdarg.h malloc.h memory.h string.h strings.h inttypes.h stdint.h ctype.h math.h iconv.h signal.h)
   238 
   239     dnl Check for typedefs, structures, etc.
   240     AC_TYPE_SIZE_T
   241 
   242     dnl Check for defines
   243     AC_CHECK_DEFINE(M_PI, math.h)
   244 
   245     dnl Checks for library functions.
   246     case "$host" in
   247     *-*-cygwin* | *-*-mingw32*)
   248         ;;
   249     *)
   250         AC_FUNC_ALLOCA
   251         ;;
   252     esac
   253 
   254     AC_FUNC_MEMCMP
   255     if test x$ac_cv_func_memcmp_working = xyes; then
   256         AC_DEFINE(HAVE_MEMCMP, 1, [ ])
   257     fi
   258     AC_FUNC_STRTOD
   259     if test x$ac_cv_func_strtod = xyes; then
   260         AC_DEFINE(HAVE_STRTOD, 1, [ ])
   261     fi
   262     AC_CHECK_FUNC(mprotect,
   263         AC_TRY_COMPILE([
   264           #include <sys/types.h>
   265           #include <sys/mman.h>
   266         ],[
   267         ],[
   268         AC_DEFINE(HAVE_MPROTECT, 1, [ ])
   269         ]),
   270     )
   271     AC_CHECK_FUNCS(malloc calloc realloc free getenv setenv putenv unsetenv qsort abs bcopy memset memcpy memmove strlen strlcpy strlcat strdup _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp vsscanf vsnprintf fseeko fseeko64 sigaction setjmp nanosleep sysconf sysctlbyname)
   272 
   273     AC_CHECK_LIB(m, pow, [LIBS="$LIBS -lm"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm"])
   274     AC_CHECK_FUNCS(atan atan2 acos asin ceil copysign cos cosf fabs floor log pow scalbn sin sinf sqrt sqrtf tan tanf)
   275 
   276     AC_CHECK_LIB(iconv, iconv_open, [LIBS="$LIBS -liconv"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -liconv"])
   277     AC_CHECK_FUNCS(iconv)
   278 
   279     AC_CHECK_MEMBER(struct sigaction.sa_sigaction,[AC_DEFINE(HAVE_SA_SIGACTION)], ,[#include <signal.h>])
   280 fi
   281 
   282 dnl AC_CHECK_SIZEOF(void*)
   283 
   284 dnl See whether we can use gcc atomic operations on this architecture
   285 AC_ARG_ENABLE(gcc-atomics,
   286 AC_HELP_STRING([--enable-gcc-atomics],
   287                [Use gcc builtin atomics [[default=yes]]]),
   288               , enable_gcc_atomics=yes)
   289 if test x$enable_gcc_atomics = xyes; then
   290     have_gcc_atomics=no
   291     AC_MSG_CHECKING(for GCC builtin atomic operations)
   292     AC_TRY_LINK([
   293     ],[
   294     int a;
   295     void *x, *y, *z;
   296     __sync_lock_test_and_set(&a, 4);
   297     __sync_lock_test_and_set(&x, y);
   298     __sync_fetch_and_add(&a, 1);
   299     __sync_bool_compare_and_swap(&a, 5, 10);
   300     __sync_bool_compare_and_swap(&x, y, z);
   301     ],[
   302     have_gcc_atomics=yes
   303     ])
   304     AC_MSG_RESULT($have_gcc_atomics)
   305 
   306     if test x$have_gcc_atomics = xyes; then
   307         AC_DEFINE(HAVE_GCC_ATOMICS, 1, [ ])
   308     else
   309         # See if we have the minimum operation needed for GCC atomics
   310         AC_TRY_LINK([
   311         ],[
   312         int a;
   313         __sync_lock_test_and_set(&a, 1);
   314         __sync_lock_release(&a);
   315         ],[
   316         have_gcc_sync_lock_test_and_set=yes
   317         ])
   318         if test x$have_gcc_sync_lock_test_and_set = xyes; then
   319             AC_DEFINE(HAVE_GCC_SYNC_LOCK_TEST_AND_SET, 1, [ ])
   320         fi
   321     fi
   322 fi
   323 
   324 # Standard C sources
   325 SOURCES="$SOURCES $srcdir/src/*.c"
   326 SOURCES="$SOURCES $srcdir/src/atomic/*.c"
   327 SOURCES="$SOURCES $srcdir/src/audio/*.c"
   328 SOURCES="$SOURCES $srcdir/src/cpuinfo/*.c"
   329 SOURCES="$SOURCES $srcdir/src/dynapi/*.c"
   330 SOURCES="$SOURCES $srcdir/src/events/*.c"
   331 SOURCES="$SOURCES $srcdir/src/file/*.c"
   332 SOURCES="$SOURCES $srcdir/src/haptic/*.c"
   333 SOURCES="$SOURCES $srcdir/src/joystick/*.c"
   334 SOURCES="$SOURCES $srcdir/src/libm/*.c"
   335 SOURCES="$SOURCES $srcdir/src/power/*.c"
   336 #SOURCES="$SOURCES $srcdir/src/filesystem/*.c"
   337 SOURCES="$SOURCES $srcdir/src/render/*.c"
   338 SOURCES="$SOURCES $srcdir/src/render/*/*.c"
   339 SOURCES="$SOURCES $srcdir/src/stdlib/*.c"
   340 SOURCES="$SOURCES $srcdir/src/thread/*.c"
   341 SOURCES="$SOURCES $srcdir/src/timer/*.c"
   342 SOURCES="$SOURCES $srcdir/src/video/*.c"
   343 
   344 dnl Enable/disable various subsystems of the SDL library
   345 
   346 AC_ARG_ENABLE(atomic,
   347 AC_HELP_STRING([--enable-atomic], [Enable the atomic operations subsystem [[default=yes]]]),
   348               , enable_atomic=yes)
   349 if test x$enable_atomic != xyes; then
   350     AC_DEFINE(SDL_ATOMIC_DISABLED, 1, [ ])
   351 else
   352     SUMMARY_modules="${SUMMARY_modules} atomic"
   353 fi
   354 AC_ARG_ENABLE(audio,
   355 AC_HELP_STRING([--enable-audio], [Enable the audio subsystem [[default=yes]]]),
   356               , enable_audio=yes)
   357 if test x$enable_audio != xyes; then
   358     AC_DEFINE(SDL_AUDIO_DISABLED, 1, [ ])
   359 else
   360     SUMMARY_modules="${SUMMARY_modules} audio"
   361 fi
   362 AC_ARG_ENABLE(video,
   363 AC_HELP_STRING([--enable-video], [Enable the video subsystem [[default=yes]]]),
   364               , enable_video=yes)
   365 if test x$enable_video != xyes; then
   366     AC_DEFINE(SDL_VIDEO_DISABLED, 1, [ ])
   367 else
   368     SUMMARY_modules="${SUMMARY_modules} video"
   369 fi
   370 AC_ARG_ENABLE(render,
   371 AC_HELP_STRING([--enable-render], [Enable the render subsystem [[default=yes]]]),
   372               , enable_render=yes)
   373 if test x$enable_render != xyes; then
   374     AC_DEFINE(SDL_RENDER_DISABLED, 1, [ ])
   375 else
   376     SUMMARY_modules="${SUMMARY_modules} render"
   377 fi
   378 AC_ARG_ENABLE(events,
   379 AC_HELP_STRING([--enable-events], [Enable the events subsystem [[default=yes]]]),
   380               , enable_events=yes)
   381 if test x$enable_events != xyes; then
   382     AC_DEFINE(SDL_EVENTS_DISABLED, 1, [ ])
   383 else
   384     SUMMARY_modules="${SUMMARY_modules} events"
   385 fi
   386 AC_ARG_ENABLE(joystick,
   387 AC_HELP_STRING([--enable-joystick], [Enable the joystick subsystem [[default=yes]]]),
   388               , enable_joystick=yes)
   389 if test x$enable_joystick != xyes; then
   390     AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
   391 else
   392     SUMMARY_modules="${SUMMARY_modules} joystick"
   393 fi
   394 AC_ARG_ENABLE(haptic,
   395 AC_HELP_STRING([--enable-haptic], [Enable the haptic (force feedback) subsystem [[default=yes]]]),
   396               , enable_haptic=yes)
   397 if test x$enable_haptic != xyes; then
   398     AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
   399 else
   400     SUMMARY_modules="${SUMMARY_modules} haptic"
   401 fi
   402 AC_ARG_ENABLE(power,
   403 AC_HELP_STRING([--enable-power], [Enable the power subsystem [[default=yes]]]),
   404               , enable_power=yes)
   405 if test x$enable_power != xyes; then
   406     AC_DEFINE(SDL_POWER_DISABLED, 1, [ ])
   407 else
   408     SUMMARY_modules="${SUMMARY_modules} power"
   409 fi
   410 AC_ARG_ENABLE(filesystem,
   411 AC_HELP_STRING([--enable-filesystem], [Enable the filesystem subsystem [[default=yes]]]),
   412               , enable_filesystem=yes)
   413 if test x$enable_filesystem != xyes; then
   414     AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
   415 else
   416     SUMMARY_modules="${SUMMARY_modules} filesystem"
   417 fi
   418 AC_ARG_ENABLE(threads,
   419 AC_HELP_STRING([--enable-threads], [Enable the threading subsystem [[default=yes]]]),
   420               , enable_threads=yes)
   421 if test x$enable_threads != xyes; then
   422     AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
   423 else
   424     SUMMARY_modules="${SUMMARY_modules} threads"
   425 fi
   426 AC_ARG_ENABLE(timers,
   427 AC_HELP_STRING([--enable-timers], [Enable the timer subsystem [[default=yes]]]),
   428               , enable_timers=yes)
   429 if test x$enable_timers != xyes; then
   430     AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
   431 else
   432     SUMMARY_modules="${SUMMARY_modules} timers"
   433 fi
   434 AC_ARG_ENABLE(file,
   435 AC_HELP_STRING([--enable-file], [Enable the file subsystem [[default=yes]]]),
   436               , enable_file=yes)
   437 if test x$enable_file != xyes; then
   438     AC_DEFINE(SDL_FILE_DISABLED, 1, [ ])
   439 else
   440     SUMMARY_modules="${SUMMARY_modules} file"
   441 fi
   442 AC_ARG_ENABLE(loadso,
   443 AC_HELP_STRING([--enable-loadso], [Enable the shared object loading subsystem [[default=yes]]]),
   444               , enable_loadso=yes)
   445 if test x$enable_loadso != xyes; then
   446     AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
   447 else
   448     SUMMARY_modules="${SUMMARY_modules} loadso"
   449 fi
   450 AC_ARG_ENABLE(cpuinfo,
   451 AC_HELP_STRING([--enable-cpuinfo], [Enable the cpuinfo subsystem [[default=yes]]]),
   452               , enable_cpuinfo=yes)
   453 if test x$enable_cpuinfo != xyes; then
   454     AC_DEFINE(SDL_CPUINFO_DISABLED, 1, [ ])
   455 else
   456     SUMMARY_modules="${SUMMARY_modules} cpuinfo"
   457 fi
   458 AC_ARG_ENABLE(assembly,
   459 AC_HELP_STRING([--enable-assembly], [Enable assembly routines [[default=yes]]]),
   460               , enable_assembly=yes)
   461 if test x$enable_assembly = xyes; then
   462     SUMMARY_modules="${SUMMARY_modules} assembly"
   463 
   464     AC_DEFINE(SDL_ASSEMBLY_ROUTINES, 1, [ ])
   465 
   466     # Make sure that we don't generate floating point code that would
   467     # cause illegal instruction exceptions on older processors
   468     case "$host" in
   469         *-*-darwin*)
   470             # Don't need to worry about Apple hardware, it's all SSE capable
   471             default_ssemath=yes
   472             ;;
   473         *64-*-*)
   474             # x86 64-bit architectures all have SSE instructions
   475             default_ssemath=yes
   476             ;;
   477         *)
   478             default_ssemath=no
   479             ;;
   480     esac
   481     AC_ARG_ENABLE(ssemath,
   482 AC_HELP_STRING([--enable-ssemath], [Allow GCC to use SSE floating point math [[default=no]]]),
   483                   , enable_ssemath=$default_ssemath)
   484     if test x$enable_ssemath = xno; then
   485         if test x$have_gcc_sse = xyes -o x$have_gcc_sse2 = xyes; then
   486             EXTRA_CFLAGS="$EXTRA_CFLAGS -mfpmath=387"
   487         fi
   488     fi
   489 
   490     dnl Check for various instruction support
   491     AC_ARG_ENABLE(mmx,
   492 AC_HELP_STRING([--enable-mmx], [use MMX assembly routines [[default=yes]]]),
   493                   , enable_mmx=yes)
   494     if test x$enable_mmx = xyes; then
   495         save_CFLAGS="$CFLAGS"
   496         have_gcc_mmx=no
   497         AC_MSG_CHECKING(for GCC -mmmx option)
   498         mmx_CFLAGS="-mmmx"
   499         CFLAGS="$save_CFLAGS $mmx_CFLAGS"
   500 
   501         AC_TRY_COMPILE([
   502         #ifdef __MINGW32__
   503         #include <_mingw.h>
   504         #ifdef __MINGW64_VERSION_MAJOR
   505         #include <intrin.h>
   506         #else
   507         #include <mmintrin.h>
   508         #endif
   509         #else
   510         #include <mmintrin.h>
   511         #endif
   512         #ifndef __MMX__
   513         #error Assembler CPP flag not enabled
   514         #endif
   515         ],[
   516         ],[
   517         have_gcc_mmx=yes
   518         ])
   519         AC_MSG_RESULT($have_gcc_mmx)
   520         CFLAGS="$save_CFLAGS"
   521 
   522         if test x$have_gcc_mmx = xyes; then
   523             EXTRA_CFLAGS="$EXTRA_CFLAGS $mmx_CFLAGS"
   524             SUMMARY_math="${SUMMARY_math} mmx"
   525         fi
   526     fi
   527 
   528     AC_ARG_ENABLE(3dnow,
   529 AC_HELP_STRING([--enable-3dnow], [use 3DNow! assembly routines [[default=yes]]]),
   530                   , enable_3dnow=yes)
   531     if test x$enable_3dnow = xyes; then
   532         save_CFLAGS="$CFLAGS"
   533         have_gcc_3dnow=no
   534         AC_MSG_CHECKING(for GCC -m3dnow option)
   535         amd3dnow_CFLAGS="-m3dnow"
   536         CFLAGS="$save_CFLAGS $amd3dnow_CFLAGS"
   537 
   538         AC_TRY_LINK([
   539         #include <mm3dnow.h>
   540         #ifndef __3dNOW__
   541         #error Assembler CPP flag not enabled
   542         #endif
   543         ],[
   544         void *p = 0;
   545         _m_prefetch(p);
   546         ],[
   547         have_gcc_3dnow=yes
   548         ])
   549         AC_MSG_RESULT($have_gcc_3dnow)
   550         CFLAGS="$save_CFLAGS"
   551 
   552         if test x$have_gcc_3dnow = xyes; then
   553             EXTRA_CFLAGS="$EXTRA_CFLAGS $amd3dnow_CFLAGS"
   554             SUMMARY_math="${SUMMARY_math} 3dnow"
   555         fi
   556     fi
   557 
   558     AC_ARG_ENABLE(sse,
   559 AC_HELP_STRING([--enable-sse], [use SSE assembly routines [[default=yes]]]),
   560                   , enable_sse=yes)
   561     if test x$enable_sse = xyes; then
   562         save_CFLAGS="$CFLAGS"
   563         have_gcc_sse=no
   564         AC_MSG_CHECKING(for GCC -msse option)
   565         sse_CFLAGS="-msse"
   566         CFLAGS="$save_CFLAGS $sse_CFLAGS"
   567 
   568         AC_TRY_COMPILE([
   569         #ifdef __MINGW32__
   570         #include <_mingw.h>
   571         #ifdef __MINGW64_VERSION_MAJOR
   572         #include <intrin.h>
   573         #else
   574         #include <xmmintrin.h>
   575         #endif
   576         #else
   577         #include <xmmintrin.h>
   578         #endif
   579         #ifndef __SSE__
   580         #error Assembler CPP flag not enabled
   581         #endif
   582         ],[
   583         ],[
   584         have_gcc_sse=yes
   585         ])
   586         AC_MSG_RESULT($have_gcc_sse)
   587         CFLAGS="$save_CFLAGS"
   588 
   589         if test x$have_gcc_sse = xyes; then
   590             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse_CFLAGS"
   591             SUMMARY_math="${SUMMARY_math} sse"
   592         fi
   593     fi
   594 
   595     AC_ARG_ENABLE(sse2,
   596 AC_HELP_STRING([--enable-sse2], [use SSE2 assembly routines [[default=no]]]),
   597                   , enable_sse2=$default_ssemath)
   598     if test x$enable_sse2 = xyes; then
   599         save_CFLAGS="$CFLAGS"
   600         have_gcc_sse2=no
   601         AC_MSG_CHECKING(for GCC -msse2 option)
   602         sse2_CFLAGS="-msse2"
   603         CFLAGS="$save_CFLAGS $sse2_CFLAGS"
   604 
   605         AC_TRY_COMPILE([
   606         #ifdef __MINGW32__
   607         #include <_mingw.h>
   608         #ifdef __MINGW64_VERSION_MAJOR
   609         #include <intrin.h>
   610         #else
   611         #include <emmintrin.h>
   612         #endif
   613         #else
   614         #include <emmintrin.h>
   615         #endif
   616         #ifndef __SSE2__
   617         #error Assembler CPP flag not enabled
   618         #endif
   619         ],[
   620         ],[
   621         have_gcc_sse2=yes
   622         ])
   623         AC_MSG_RESULT($have_gcc_sse2)
   624         CFLAGS="$save_CFLAGS"
   625 
   626         if test x$have_gcc_sse2 = xyes; then
   627             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse2_CFLAGS"
   628             SUMMARY_math="${SUMMARY_math} sse2"
   629         fi
   630     fi
   631 
   632     AC_ARG_ENABLE(altivec,
   633 AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]]]),
   634                   , enable_altivec=yes)
   635     if test x$enable_altivec = xyes; then
   636         save_CFLAGS="$CFLAGS"
   637         have_gcc_altivec=no
   638         have_altivec_h_hdr=no
   639         altivec_CFLAGS="-maltivec"
   640         CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   641 
   642         AC_MSG_CHECKING(for Altivec with GCC altivec.h and -maltivec option)
   643         AC_TRY_COMPILE([
   644         #include <altivec.h>
   645         vector unsigned int vzero() {
   646             return vec_splat_u32(0);
   647         }
   648         ],[
   649         ],[
   650         have_gcc_altivec=yes
   651         have_altivec_h_hdr=yes
   652         ])
   653         AC_MSG_RESULT($have_gcc_altivec)
   654 
   655         if test x$have_gcc_altivec = xno; then
   656             AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
   657             AC_TRY_COMPILE([
   658             vector unsigned int vzero() {
   659                 return vec_splat_u32(0);
   660             }
   661             ],[
   662             ],[
   663             have_gcc_altivec=yes
   664             ])
   665             AC_MSG_RESULT($have_gcc_altivec)
   666         fi
   667 
   668         if test x$have_gcc_altivec = xno; then
   669             AC_MSG_CHECKING(for Altivec with GCC altivec.h and -faltivec option)
   670             altivec_CFLAGS="-faltivec"
   671             CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   672             AC_TRY_COMPILE([
   673             #include <altivec.h>
   674             vector unsigned int vzero() {
   675                 return vec_splat_u32(0);
   676             }
   677             ],[
   678             ],[
   679             have_gcc_altivec=yes
   680             have_altivec_h_hdr=yes
   681             ])
   682             AC_MSG_RESULT($have_gcc_altivec)
   683         fi
   684 
   685         if test x$have_gcc_altivec = xno; then
   686             AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
   687             AC_TRY_COMPILE([
   688             vector unsigned int vzero() {
   689                 return vec_splat_u32(0);
   690             }
   691             ],[
   692             ],[
   693             have_gcc_altivec=yes
   694             ])
   695             AC_MSG_RESULT($have_gcc_altivec)
   696         fi
   697         CFLAGS="$save_CFLAGS"
   698 
   699         if test x$have_gcc_altivec = xyes; then
   700             AC_DEFINE(SDL_ALTIVEC_BLITTERS, 1, [ ])
   701             if test x$have_altivec_h_hdr = xyes; then
   702               AC_DEFINE(HAVE_ALTIVEC_H, 1, [ ])
   703             fi
   704             EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
   705             SUMMARY_math="${SUMMARY_math} altivec"
   706         fi
   707     fi
   708 fi
   709 
   710 dnl See if the OSS audio interface is supported
   711 CheckOSS()
   712 {
   713     AC_ARG_ENABLE(oss,
   714 AC_HELP_STRING([--enable-oss], [support the OSS audio API [[default=maybe]]]),
   715                   , enable_oss=maybe)
   716 
   717     # OpenBSD "has" OSS, but it's not really for app use. They want you to
   718     #  use sndio instead. So on there, we default to disabled. You can force
   719     #  it on if you really want, though.
   720     if test x$enable_oss = xmaybe; then
   721         enable_oss=yes
   722         case "$host" in
   723             *-*-openbsd*)
   724                 enable_oss=no;;
   725         esac
   726     fi
   727 
   728     if test x$enable_audio = xyes -a x$enable_oss = xyes; then
   729         AC_MSG_CHECKING(for OSS audio support)
   730         have_oss=no
   731         if test x$have_oss != xyes; then
   732             AC_TRY_COMPILE([
   733               #include <sys/soundcard.h>
   734             ],[
   735               int arg = SNDCTL_DSP_SETFRAGMENT;
   736             ],[
   737             have_oss=yes
   738             ])
   739         fi
   740         if test x$have_oss != xyes; then
   741             AC_TRY_COMPILE([
   742               #include <soundcard.h>
   743             ],[
   744               int arg = SNDCTL_DSP_SETFRAGMENT;
   745             ],[
   746             have_oss=yes
   747             AC_DEFINE(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H, 1, [ ])
   748             ])
   749         fi
   750         AC_MSG_RESULT($have_oss)
   751         if test x$have_oss = xyes; then
   752             SUMMARY_audio="${SUMMARY_audio} oss"
   753             AC_DEFINE(SDL_AUDIO_DRIVER_OSS, 1, [ ])
   754             SOURCES="$SOURCES $srcdir/src/audio/dsp/*.c"
   755             have_audio=yes
   756 
   757             # We may need to link with ossaudio emulation library
   758             case "$host" in
   759                 *-*-openbsd*|*-*-netbsd*)
   760                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lossaudio";;
   761             esac
   762         fi
   763     fi
   764 }
   765 
   766 dnl See if the ALSA audio interface is supported
   767 CheckALSA()
   768 {
   769     AC_ARG_ENABLE(alsa,
   770 AC_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),
   771                   , enable_alsa=yes)
   772     if test x$enable_audio = xyes -a x$enable_alsa = xyes; then
   773         AM_PATH_ALSA(0.9.0, have_alsa=yes, have_alsa=no)
   774         # Restore all flags from before the ALSA detection runs
   775         CFLAGS="$alsa_save_CFLAGS"
   776         LDFLAGS="$alsa_save_LDFLAGS"
   777         LIBS="$alsa_save_LIBS"
   778         if test x$have_alsa = xyes; then
   779             AC_ARG_ENABLE(alsa-shared,
   780 AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
   781                           , enable_alsa_shared=yes)
   782             alsa_lib=[`find_lib "libasound.so.*" "$ALSA_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   783 
   784             AC_DEFINE(SDL_AUDIO_DRIVER_ALSA, 1, [ ])
   785             SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c"
   786             EXTRA_CFLAGS="$EXTRA_CFLAGS $ALSA_CFLAGS"
   787             if test x$have_loadso != xyes && \
   788                test x$enable_alsa_shared = xyes; then
   789                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading])
   790             fi
   791             if test x$have_loadso = xyes && \
   792                test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then
   793                 echo "-- dynamic libasound -> $alsa_lib"
   794                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ALSA_DYNAMIC, "$alsa_lib", [ ])
   795                 SUMMARY_audio="${SUMMARY_audio} alsa(dynamic)"
   796             else
   797                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ALSA_LIBS"
   798                 SUMMARY_audio="${SUMMARY_audio} alsa"
   799             fi
   800             have_audio=yes
   801         fi
   802     fi
   803 }
   804 
   805 dnl Find the ESD includes and libraries
   806 CheckESD()
   807 {
   808     AC_ARG_ENABLE(esd,
   809 AC_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),
   810                   , enable_esd=yes)
   811     if test x$enable_audio = xyes -a x$enable_esd = xyes; then
   812         AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no)
   813         if test x$have_esd = xyes; then
   814             AC_ARG_ENABLE(esd-shared,
   815 AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
   816                           , enable_esd_shared=yes)
   817             esd_lib=[`find_lib "libesd.so.*" "$ESD_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   818 
   819             AC_DEFINE(SDL_AUDIO_DRIVER_ESD, 1, [ ])
   820             SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"
   821             EXTRA_CFLAGS="$EXTRA_CFLAGS $ESD_CFLAGS"
   822             if test x$have_loadso != xyes && \
   823                test x$enable_esd_shared = xyes; then
   824                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading])
   825             fi
   826             if test x$have_loadso = xyes && \
   827                test x$enable_esd_shared = xyes && test x$esd_lib != x; then
   828                 echo "-- dynamic libesd -> $esd_lib"
   829                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib", [ ])
   830                 SUMMARY_audio="${SUMMARY_audio} esd(dynamic)"
   831             else
   832                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ESD_LIBS"
   833                 SUMMARY_audio="${SUMMARY_audio} esd"
   834             fi
   835             have_audio=yes
   836         fi
   837     fi
   838 }
   839 
   840 dnl Find PulseAudio
   841 CheckPulseAudio()
   842 {
   843     AC_ARG_ENABLE(pulseaudio,
   844 AC_HELP_STRING([--enable-pulseaudio], [use PulseAudio [[default=yes]]]),
   845                   , enable_pulseaudio=yes)
   846     if test x$enable_audio = xyes -a x$enable_pulseaudio = xyes; then
   847         audio_pulseaudio=no
   848 
   849         PULSEAUDIO_REQUIRED_VERSION=0.9
   850 
   851         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
   852         AC_MSG_CHECKING(for PulseAudio $PULSEAUDIO_REQUIRED_VERSION support)
   853         if test x$PKG_CONFIG != xno; then
   854         if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $PULSEAUDIO_REQUIRED_VERSION libpulse-simple; then
   855                 PULSEAUDIO_CFLAGS=`$PKG_CONFIG --cflags libpulse-simple`
   856                 PULSEAUDIO_LIBS=`$PKG_CONFIG --libs libpulse-simple`
   857                 audio_pulseaudio=yes
   858             fi
   859         fi
   860         AC_MSG_RESULT($audio_pulseaudio)
   861 
   862         if test x$audio_pulseaudio = xyes; then
   863             AC_ARG_ENABLE(pulseaudio-shared,
   864 AC_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [[default=yes]]]),
   865                           , enable_pulseaudio_shared=yes)
   866             pulseaudio_lib=[`find_lib "libpulse-simple.so.*" "$PULSEAUDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   867 
   868             AC_DEFINE(SDL_AUDIO_DRIVER_PULSEAUDIO, 1, [ ])
   869             SOURCES="$SOURCES $srcdir/src/audio/pulseaudio/*.c"
   870             EXTRA_CFLAGS="$EXTRA_CFLAGS $PULSEAUDIO_CFLAGS"
   871             if test x$have_loadso != xyes && \
   872                test x$enable_pulseaudio_shared = xyes; then
   873                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic PulseAudio loading])
   874             fi
   875             if test x$have_loadso = xyes && \
   876                test x$enable_pulseaudio_shared = xyes && test x$pulseaudio_lib != x; then
   877                 echo "-- dynamic libpulse-simple -> $pulseaudio_lib"
   878                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC, "$pulseaudio_lib", [ ])
   879                 SUMMARY_audio="${SUMMARY_audio} pulse(dynamic)"
   880 
   881                 case "$host" in
   882                     # On Solaris, pulseaudio must be linked deferred explicitly
   883                     # to prevent undefined symbol failures.
   884                     *-*-solaris*)
   885                         PULSEAUDIO_LIBS=`echo $PULSEAUDIO_LIBS | sed 's/\-l/-Wl,-l/g'`
   886                         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-zdeferred $PULSEAUDIO_LIBS -Wl,-znodeferred"
   887                 esac
   888             else
   889                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $PULSEAUDIO_LIBS"
   890                 SUMMARY_audio="${SUMMARY_audio} pulse"
   891             fi
   892             have_audio=yes
   893         fi
   894     fi
   895 }
   896 
   897 CheckARTSC()
   898 {
   899     AC_ARG_ENABLE(arts,
   900 AC_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),
   901                   , enable_arts=yes)
   902     if test x$enable_audio = xyes -a x$enable_arts = xyes; then
   903         AC_PATH_PROG(ARTSCONFIG, artsc-config)
   904         if test x$ARTSCONFIG = x -o x$ARTSCONFIG = x'"$ARTSCONFIG"'; then
   905             : # arts isn't installed
   906         else
   907             ARTS_CFLAGS=`$ARTSCONFIG --cflags`
   908             ARTS_LIBS=`$ARTSCONFIG --libs`
   909             AC_MSG_CHECKING(for aRts development environment)
   910             audio_arts=no
   911             save_CFLAGS="$CFLAGS"
   912             CFLAGS="$CFLAGS $ARTS_CFLAGS"
   913             AC_TRY_COMPILE([
   914              #include <artsc.h>
   915             ],[
   916              arts_stream_t stream;
   917             ],[
   918             audio_arts=yes
   919             ])
   920             CFLAGS="$save_CFLAGS"
   921             AC_MSG_RESULT($audio_arts)
   922             if test x$audio_arts = xyes; then
   923                 AC_ARG_ENABLE(arts-shared,
   924 AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
   925                               , enable_arts_shared=yes)
   926                 arts_lib=[`find_lib "libartsc.so.*" "$ARTS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   927 
   928                 AC_DEFINE(SDL_AUDIO_DRIVER_ARTS, 1, [ ])
   929                 SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"
   930                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ARTS_CFLAGS"
   931                 if test x$have_loadso != xyes && \
   932                    test x$enable_arts_shared = xyes; then
   933                     AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading])
   934                 fi
   935                 if test x$have_loadso = xyes && \
   936                    test x$enable_arts_shared = xyes && test x$arts_lib != x; then
   937                     echo "-- dynamic libartsc -> $arts_lib"
   938                     AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib", [ ])
   939                     SUMMARY_audio="${SUMMARY_audio} arts(dynamic)"
   940                 else
   941                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARTS_LIBS"
   942                     SUMMARY_audio="${SUMMARY_audio} arts"
   943                 fi
   944                 have_audio=yes
   945             fi
   946         fi
   947     fi
   948 }
   949 
   950 dnl See if the NAS audio interface is supported
   951 CheckNAS()
   952 {
   953     AC_ARG_ENABLE(nas,
   954 AC_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),
   955                   , enable_nas=yes)
   956     if test x$enable_audio = xyes -a x$enable_nas = xyes; then
   957         AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes)
   958         AC_CHECK_LIB(audio, AuOpenServer, have_nas_lib=yes)
   959 
   960         AC_MSG_CHECKING(for NAS audio support)
   961         have_nas=no
   962 
   963         if test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then
   964             have_nas=yes
   965             NAS_LIBS="-laudio"
   966 
   967         elif test -r /usr/X11R6/include/audio/audiolib.h; then
   968             have_nas=yes
   969             NAS_CFLAGS="-I/usr/X11R6/include/"
   970             NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"
   971 
   972         fi
   973 
   974         AC_MSG_RESULT($have_nas)
   975 
   976         if test x$have_nas = xyes; then
   977             AC_ARG_ENABLE(nas-shared,
   978 AC_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [[default=yes]]]),
   979                           , enable_nas_shared=yes)
   980             nas_lib=[`find_lib "libaudio.so.*" "$NAS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   981 
   982             if test x$have_loadso != xyes && \
   983                test x$enable_nas_shared = xyes; then
   984                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic NAS loading])
   985             fi
   986             if test x$have_loadso = xyes && \
   987                test x$enable_nas_shared = xyes && test x$nas_lib != x; then
   988                 echo "-- dynamic libaudio -> $nas_lib"
   989                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_NAS_DYNAMIC, "$nas_lib", [ ])
   990                 SUMMARY_audio="${SUMMARY_audio} nas(dynamic)"
   991             else
   992                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS"
   993                 SUMMARY_audio="${SUMMARY_audio} nas"
   994             fi
   995 
   996             AC_DEFINE(SDL_AUDIO_DRIVER_NAS, 1, [ ])
   997             SOURCES="$SOURCES $srcdir/src/audio/nas/*.c"
   998             EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS"
   999             have_audio=yes
  1000         fi
  1001     fi
  1002 }
  1003 
  1004 dnl See if the sndio audio interface is supported
  1005 CheckSNDIO()
  1006 {
  1007     AC_ARG_ENABLE(sndio,
  1008 AC_HELP_STRING([--enable-sndio], [support the sndio audio API [[default=yes]]]),
  1009                   , enable_sndio=yes)
  1010     if test x$enable_audio = xyes -a x$enable_sndio = xyes; then
  1011         AC_CHECK_HEADER(sndio.h, have_sndio_hdr=yes)
  1012         AC_CHECK_LIB(sndio, sio_open, have_sndio_lib=yes)
  1013 
  1014         AC_MSG_CHECKING(for sndio audio support)
  1015         have_sndio=no
  1016 
  1017         if test x$have_sndio_hdr = xyes -a x$have_sndio_lib = xyes; then
  1018             have_sndio=yes
  1019             SNDIO_LIBS="-lsndio"
  1020         fi
  1021 
  1022         AC_MSG_RESULT($have_sndio)
  1023 
  1024         if test x$have_sndio = xyes; then
  1025             AC_ARG_ENABLE(sndio-shared,
  1026 AC_HELP_STRING([--enable-sndio-shared], [dynamically load sndio audio support [[default=yes]]]),
  1027                           , enable_sndio_shared=yes)
  1028             sndio_lib=[`find_lib "libsndio.so.*" "$SNDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1029 
  1030             if test x$have_loadso != xyes && \
  1031                test x$enable_sndio_shared = xyes; then
  1032                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic sndio loading])
  1033             fi
  1034             if test x$have_loadso = xyes && \
  1035                test x$enable_sndio_shared = xyes && test x$sndio_lib != x; then
  1036                 echo "-- dynamic libsndio -> $sndio_lib"
  1037                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_SNDIO_DYNAMIC, "$sndio_lib", [ ])
  1038                 SUMMARY_audio="${SUMMARY_audio} sndio(dynamic)"
  1039             else
  1040                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $SNDIO_LIBS"
  1041                 SUMMARY_audio="${SUMMARY_audio} sndio"
  1042             fi
  1043 
  1044             AC_DEFINE(SDL_AUDIO_DRIVER_SNDIO, 1, [ ])
  1045             SOURCES="$SOURCES $srcdir/src/audio/sndio/*.c"
  1046             EXTRA_CFLAGS="$EXTRA_CFLAGS $SNDIO_CFLAGS"
  1047             have_audio=yes
  1048         fi
  1049     fi
  1050 }
  1051 
  1052 dnl rcg07142001 See if the user wants the disk writer audio driver...
  1053 CheckDiskAudio()
  1054 {
  1055     AC_ARG_ENABLE(diskaudio,
  1056 AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
  1057                   , enable_diskaudio=yes)
  1058     if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then
  1059         AC_DEFINE(SDL_AUDIO_DRIVER_DISK, 1, [ ])
  1060         SOURCES="$SOURCES $srcdir/src/audio/disk/*.c"
  1061         SUMMARY_audio="${SUMMARY_audio} disk"
  1062     fi
  1063 }
  1064 
  1065 dnl rcg03142006 See if the user wants the dummy audio driver...
  1066 CheckDummyAudio()
  1067 {
  1068     AC_ARG_ENABLE(dummyaudio,
  1069 AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
  1070                   , enable_dummyaudio=yes)
  1071     if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then
  1072         AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY, 1, [ ])
  1073         SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c"
  1074         SUMMARY_audio="${SUMMARY_audio} dummy"
  1075     fi
  1076 }
  1077 
  1078 dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).
  1079 dnl  Details of this flag are here: http://gcc.gnu.org/wiki/Visibility
  1080 CheckVisibilityHidden()
  1081 {
  1082     AC_MSG_CHECKING(for GCC -fvisibility=hidden option)
  1083     have_gcc_fvisibility=no
  1084 
  1085     visibility_CFLAGS="-fvisibility=hidden"
  1086     save_CFLAGS="$CFLAGS"
  1087     CFLAGS="$save_CFLAGS $visibility_CFLAGS -Werror"
  1088     AC_TRY_COMPILE([
  1089     #if !defined(__GNUC__) || __GNUC__ < 4
  1090     #error SDL only uses visibility attributes in GCC 4 or newer
  1091     #endif
  1092     ],[
  1093     ],[
  1094     have_gcc_fvisibility=yes
  1095     ])
  1096     AC_MSG_RESULT($have_gcc_fvisibility)
  1097     CFLAGS="$save_CFLAGS"
  1098 
  1099     if test x$have_gcc_fvisibility = xyes; then
  1100         EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"
  1101     fi
  1102 }
  1103 
  1104 dnl See if GCC's -mpreferred-stack-boundary is supported.
  1105 dnl  Reference: http://bugzilla.libsdl.org/show_bug.cgi?id=1296
  1106 CheckStackBoundary()
  1107 {
  1108     AC_MSG_CHECKING(for GCC -mpreferred-stack-boundary option)
  1109     have_gcc_preferred_stack_boundary=no
  1110 
  1111     save_CFLAGS="$CFLAGS"
  1112     CFLAGS="$save_CFLAGS -mpreferred-stack-boundary=2"
  1113     AC_TRY_COMPILE([
  1114     int x = 0;
  1115     ],[
  1116     ],[
  1117     have_gcc_preferred_stack_boundary=yes
  1118     ])
  1119     AC_MSG_RESULT($have_gcc_preferred_stack_boundary)
  1120     CFLAGS="$save_CFLAGS"
  1121 
  1122     if test x$have_gcc_preferred_stack_boundary = xyes; then
  1123         EXTRA_CFLAGS="$EXTRA_CFLAGS -mpreferred-stack-boundary=2"
  1124     fi
  1125 }
  1126 
  1127 dnl See if GCC's -Wall is supported.
  1128 CheckWarnAll()
  1129 {
  1130     AC_MSG_CHECKING(for GCC -Wall option)
  1131     have_gcc_Wall=no
  1132 
  1133     save_CFLAGS="$CFLAGS"
  1134     CFLAGS="$save_CFLAGS -Wall"
  1135     AC_TRY_COMPILE([
  1136     int x = 0;
  1137     ],[
  1138     ],[
  1139     have_gcc_Wall=yes
  1140     ])
  1141     AC_MSG_RESULT($have_gcc_Wall)
  1142     CFLAGS="$save_CFLAGS"
  1143 
  1144     if test x$have_gcc_Wall = xyes; then
  1145         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
  1146 
  1147         dnl Haiku headers use multicharacter constants all over the place. Ignore these warnings when using -Wall.
  1148         AC_MSG_CHECKING(for necessary GCC -Wno-multichar option)
  1149         need_gcc_Wno_multichar=no
  1150         case "$host" in
  1151             *-*-haiku*)
  1152                 need_gcc_Wno_multichar=yes
  1153                 ;;
  1154         esac
  1155         AC_MSG_RESULT($need_gcc_Wno_multichar)
  1156         if test x$need_gcc_Wno_multichar = xyes; then
  1157             EXTRA_CFLAGS="$EXTRA_CFLAGS -Wno-multichar"
  1158         fi
  1159     fi
  1160 }
  1161 
  1162 dnl Check for Wayland
  1163 CheckWayland()
  1164 {
  1165     AC_ARG_ENABLE(video-wayland,
  1166 AC_HELP_STRING([--enable-video-wayland], [use Wayland video driver [[default=yes]]]),
  1167                   ,enable_video_wayland=yes)
  1168 
  1169     AC_ARG_ENABLE(video-wayland-qt-touch,
  1170 AC_HELP_STRING([--enable-video-wayland-qt-touch], [QtWayland server support for Wayland video driver [[default=yes]]]),
  1171                   ,enable_video_wayland_qt_touch=yes)
  1172 
  1173     if test x$enable_video = xyes -a x$enable_video_wayland = xyes; then
  1174         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1175         AC_MSG_CHECKING(for Wayland support)
  1176         video_wayland=no
  1177         if  test x$PKG_CONFIG != xno && \
  1178             test x$video_opengl_egl = xyes && \
  1179             test x$video_opengles_v2 = xyes; then
  1180             if $PKG_CONFIG --exists wayland-client wayland-egl wayland-cursor egl xkbcommon ; then
  1181                 WAYLAND_CFLAGS=`$PKG_CONFIG --cflags wayland-client wayland-egl wayland-cursor xkbcommon`
  1182                 WAYLAND_LIBS=`$PKG_CONFIG --libs wayland-client wayland-egl wayland-cursor xkbcommon`
  1183                 video_wayland=yes
  1184             fi
  1185         fi
  1186         AC_MSG_RESULT($video_wayland)
  1187 
  1188         if test x$video_wayland = xyes; then
  1189             AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND, 1, [ ])
  1190             if test x$enable_video_wayland_qt_touch = xyes; then
  1191                 AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH, 1, [ ])
  1192             fi
  1193             SOURCES="$SOURCES $srcdir/src/video/wayland/*.c"
  1194             EXTRA_CFLAGS="$EXTRA_CFLAGS $WAYLAND_CFLAGS"
  1195             AC_ARG_ENABLE(wayland-shared,
  1196 AC_HELP_STRING([--enable-wayland-shared], [dynamically load Wayland support [[default=maybe]]]),
  1197                           , enable_wayland_shared=maybe)
  1198 
  1199             dnl FIXME: Do BSD and OS X need special cases?
  1200             case "$host" in
  1201                 *)
  1202                     wayland_client_lib=[`find_lib "libwayland-client.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1203                     wayland_egl_lib=[`find_lib "libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1204                     if test x$wayland_egl_lib = x; then
  1205                         dnl This works in Ubuntu 13.10, maybe others
  1206                         wayland_egl_lib=[`find_lib "mesa-egl/libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1207                     fi
  1208                     wayland_cursor_lib=[`find_lib "libwayland-cursor.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1209                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1210                     ;;
  1211             esac
  1212 
  1213             if test x$enable_wayland_shared = xmaybe; then
  1214                 enable_wayland_shared=yes
  1215             fi
  1216             if test x$have_loadso != xyes && \
  1217                test x$enable_wayland_shared = xyes; then
  1218                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Wayland loading])
  1219                 enable_wayland_shared=no
  1220             fi
  1221             if test x$have_loadso = xyes && \
  1222                test x$enable_wayland_shared = xyes && \
  1223                test x$wayland_client_lib != x && \
  1224                test x$wayland_egl_lib != x && \
  1225                test x$wayland_cursor_lib != x && \
  1226                test x$xkbcommon_lib != x; then
  1227                 echo "-- dynamic libwayland-client -> $wayland_client_lib"
  1228                 echo "-- dynamic libwayland-egl -> $wayland_egl_lib"
  1229                 echo "-- dynamic libwayland-cursor -> $wayland_cursor_lib"
  1230                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1231                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC, "$wayland_client_lib", [ ])
  1232                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_EGL, "$wayland_egl_lib", [ ])
  1233                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_CURSOR, "$wayland_cursor_lib", [ ])
  1234                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1235                 SUMMARY_video="${SUMMARY_video} wayland(dynamic)"
  1236             else
  1237                 enable_wayland_shared=no
  1238                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $WAYLAND_LIBS"
  1239                 SUMMARY_video="${SUMMARY_video} wayland"
  1240             fi
  1241             have_video=yes
  1242         fi
  1243     fi
  1244 }
  1245 
  1246 dnl Check for Mir
  1247 CheckMir()
  1248 {
  1249     AC_ARG_ENABLE(video-mir,
  1250 AC_HELP_STRING([--enable-video-mir], [use Mir video driver [[default=yes]]]),
  1251                   ,enable_video_mir=yes)
  1252 
  1253     if test x$enable_video = xyes -a x$enable_video_mir = xyes; then
  1254         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1255         AC_MSG_CHECKING(for Mir support)
  1256         video_mir=no
  1257         if test x$PKG_CONFIG != xno; then
  1258             if $PKG_CONFIG --exists mirclient egl xkbcommon ; then
  1259                 MIR_CFLAGS=`$PKG_CONFIG --cflags mirclient egl xkbcommon`
  1260                 MIR_LIBS=`$PKG_CONFIG --libs mirclient egl xkbcommon`
  1261                 save_CFLAGS="$CFLAGS"
  1262                 CFLAGS="$save_CFLAGS $MIR_CFLAGS"
  1263                 
  1264                 dnl This will disable Mir on Ubuntu < 14.04
  1265                 AC_TRY_COMPILE([
  1266                 #include <mir_toolkit/mir_client_library.h>
  1267                 ],[
  1268                     MirMotionToolType tool = mir_motion_tool_type_mouse;
  1269                 ],[
  1270                 video_mir=yes
  1271                 ])
  1272                 CFLAGS="$save_CFLAGS"
  1273             fi
  1274         fi
  1275         AC_MSG_RESULT($video_mir)
  1276 
  1277         if test x$video_mir = xyes; then
  1278             AC_DEFINE(SDL_VIDEO_DRIVER_MIR, 1, [ ])
  1279             SOURCES="$SOURCES $srcdir/src/video/mir/*.c"
  1280             EXTRA_CFLAGS="$EXTRA_CFLAGS $MIR_CFLAGS"
  1281             AC_ARG_ENABLE(mir-shared,
  1282 AC_HELP_STRING([--enable-mir-shared], [dynamically load Mir support [[default=maybe]]]),
  1283                           , enable_mir_shared=maybe)
  1284 
  1285             dnl FIXME: Do BSD and OS X need special cases?
  1286             case "$host" in
  1287                 *)
  1288                     mirclient_lib=[`find_lib "libmirclient.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1289                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1290                     ;;
  1291             esac
  1292 
  1293             if test x$enable_mir_shared = xmaybe; then
  1294                 enable_mir_shared=yes
  1295             fi
  1296             if test x$have_loadso != xyes && \
  1297                test x$enable_mir_shared = xyes; then
  1298                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Mir loading])
  1299                 enable_mir_shared=no
  1300             fi
  1301             if test x$have_loadso = xyes && \
  1302                test x$enable_mir_shared = xyes && \
  1303                test x$mirclient_lib != x && \
  1304                test x$xkbcommon_lib != x; then
  1305                 echo "-- dynamic libmirclient -> $mirclient_lib"
  1306                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1307                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC, "$mirclient_lib", [ ])
  1308                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1309                 SUMMARY_video="${SUMMARY_video} mir(dynamic)"
  1310             else
  1311                 enable_mir_shared=no
  1312                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MIR_LIBS"
  1313                 SUMMARY_video="${SUMMARY_video} mir"
  1314             fi
  1315             have_video=yes
  1316         fi
  1317     fi
  1318 }
  1319 
  1320 dnl Check for Native Client stuff
  1321 CheckNativeClient()
  1322 {
  1323         AC_TRY_COMPILE([
  1324           #if !defined(__native_client__)
  1325           #error "NO NACL"
  1326           #endif
  1327         ],[
  1328         ],[
  1329         AC_DEFINE(SDL_VIDEO_DRIVER_NACL)
  1330         AC_DEFINE(SDL_AUDIO_DRIVER_NACL)
  1331         AC_DEFINE(HAVE_POW, 1, [ ])
  1332         AC_DEFINE(HAVE_OPENGLES2, 1, [ ])
  1333         AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  1334         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  1335 
  1336         SDL_LIBS="-lppapi_simple -lppapi_gles2 $SDL_LIBS"
  1337 
  1338         SDLMAIN_SOURCES="$srcdir/src/main/nacl/*.c"
  1339         SOURCES="$SOURCES $srcdir/src/audio/nacl/*.c"
  1340         SUMMARY_audio="${SUMMARY_audio} nacl"
  1341         SOURCES="$SOURCES $srcdir/src/video/nacl/*.c"
  1342         SUMMARY_video="${SUMMARY_video} nacl opengles2"
  1343         ])
  1344 }
  1345 
  1346 
  1347 dnl Find the X11 include and library directories
  1348 CheckX11()
  1349 {
  1350 
  1351 
  1352     AC_ARG_ENABLE(video-x11,
  1353 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
  1354                   , enable_video_x11=yes)
  1355     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
  1356         case "$host" in
  1357             *-*-darwin*)
  1358                 # This isn't necessary for X11, but fixes GLX detection
  1359                 if test "x$x_includes" = xNONE && \
  1360                    test "x$x_libraries" = xNONE && \
  1361                    test -d /usr/X11R6/include && \
  1362                    test -d /usr/X11R6/lib; then
  1363                     x_includes="/usr/X11R6/include"
  1364                     x_libraries="/usr/X11R6/lib"
  1365                 fi
  1366                 ;;
  1367         esac
  1368         AC_PATH_X
  1369         AC_PATH_XTRA
  1370         if test x$have_x = xyes; then
  1371             AC_ARG_ENABLE(x11-shared,
  1372 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
  1373                           , enable_x11_shared=maybe)
  1374 
  1375             case "$host" in
  1376                 *-*-darwin*)
  1377                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
  1378                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
  1379                     xcursor_lib='/usr/X11R6/lib/libXcursor.1.dylib'
  1380                     xinerama_lib='/usr/X11R6/lib/libXinerama.1.dylib'
  1381                     xinput_lib='/usr/X11R6/lib/libXi.6.dylib'
  1382                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
  1383                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
  1384                     xss_lib='/usr/X11R6/lib/libXss.1.dylib'
  1385                     xvidmode_lib='/usr/X11R6/lib/libXxf86vm.1.dylib'
  1386                     ;;
  1387                 *-*-openbsd*)
  1388                     x11_lib='libX11.so'
  1389                     x11ext_lib='libXext.so'
  1390                     xcursor_lib='libXcursor.so'
  1391                     xinerama_lib='libXinerama.so'
  1392                     xinput_lib='libXi.so'
  1393                     xrandr_lib='libXrandr.so'
  1394                     xrender_lib='libXrender.so'
  1395                     xss_lib='libXss.so'
  1396                     xvidmode_lib='libXxf86vm.so'
  1397                     ;;
  1398                 *)
  1399                     x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1400                     x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1401                     xcursor_lib=[`find_lib "libXcursor.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1402                     xinerama_lib=[`find_lib "libXinerama.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1403                     xinput_lib=[`find_lib "libXi.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1404                     xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1405                     xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1406                     xss_lib=[`find_lib "libXss.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1407                     xvidmode_lib=[`find_lib "libXxf86vm.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1408                     ;;
  1409             esac
  1410 
  1411             if test x$ac_cv_func_shmat != xyes; then
  1412                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
  1413             fi
  1414             CFLAGS="$CFLAGS $X_CFLAGS"
  1415             LDFLAGS="$LDFLAGS $X_LIBS"
  1416 
  1417             AC_CHECK_HEADER(X11/extensions/Xext.h,
  1418                             have_xext_h_hdr=yes,
  1419                             have_xext_h_hdr=no,
  1420                             [#include <X11/Xlib.h>
  1421                              #include <X11/Xproto.h>
  1422                             ])
  1423             if test x$have_xext_h_hdr != xyes; then
  1424                AC_MSG_ERROR([
  1425 *** Missing Xext.h, maybe you need to install the libxext-dev package?
  1426                ])
  1427             fi
  1428 
  1429             AC_DEFINE(SDL_VIDEO_DRIVER_X11, 1, [ ])
  1430             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
  1431             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
  1432 
  1433             # Needed so SDL applications can include SDL_syswm.h
  1434             SDL_CFLAGS="$SDL_CFLAGS $X_CFLAGS"
  1435 
  1436             if test x$enable_x11_shared = xmaybe; then
  1437                 enable_x11_shared=yes
  1438             fi
  1439             if test x$have_loadso != xyes && \
  1440                test x$enable_x11_shared = xyes; then
  1441                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
  1442                 enable_x11_shared=no
  1443             fi
  1444             if test x$have_loadso = xyes && \
  1445                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
  1446                 echo "-- dynamic libX11 -> $x11_lib"
  1447                 echo "-- dynamic libX11ext -> $x11ext_lib"
  1448                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib", [ ])
  1449                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib", [ ])
  1450                 SUMMARY_video="${SUMMARY_video} x11(dynamic)"
  1451             else
  1452                 enable_x11_shared=no
  1453                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
  1454                 SUMMARY_video="${SUMMARY_video} x11"
  1455             fi
  1456             have_video=yes
  1457 
  1458             AC_MSG_CHECKING(for const parameter to XextAddDisplay)
  1459             have_const_param_XextAddDisplay=no
  1460             AC_TRY_COMPILE([
  1461               #include <X11/Xlib.h>
  1462               #include <X11/Xproto.h>
  1463               #include <X11/extensions/Xext.h>
  1464               #include <X11/extensions/extutil.h>
  1465               extern XExtDisplayInfo* XextAddDisplay(XExtensionInfo* a,Display* b,_Xconst char* c,XExtensionHooks* d,int e,XPointer f);
  1466             ],[
  1467             ],[
  1468             have_const_param_XextAddDisplay=yes
  1469             AC_DEFINE(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY)
  1470             ])
  1471             AC_MSG_RESULT($have_const_param_XextAddDisplay)
  1472 
  1473             dnl AC_CHECK_LIB(X11, XGetEventData, AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS, 1, [Have XGenericEvent]))
  1474             AC_MSG_CHECKING([for XGenericEvent])
  1475             have_XGenericEvent=no
  1476             AC_TRY_COMPILE([
  1477               	#include <X11/Xlib.h>
  1478             ],[
  1479 Display *display;
  1480 XEvent event;
  1481 XGenericEventCookie *cookie = &event.xcookie;
  1482 XNextEvent(display, &event);
  1483 XGetEventData(display, cookie);
  1484 XFreeEventData(display, cookie);
  1485             ],[
  1486                 have_XGenericEvent=yes
  1487                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS)
  1488             ])
  1489             AC_MSG_RESULT($have_XGenericEvent)
  1490 
  1491             AC_CHECK_LIB(X11, XkbKeycodeToKeysym, AC_DEFINE(SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM, 1, [Have XkbKeycodeToKeysym]))
  1492 
  1493             AC_ARG_ENABLE(video-x11-xcursor,
  1494 AC_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [[default=yes]]]),
  1495                             , enable_video_x11_xcursor=yes)
  1496             if test x$enable_video_x11_xcursor = xyes; then
  1497                 definitely_enable_video_x11_xcursor=no
  1498                 AC_CHECK_HEADER(X11/Xcursor/Xcursor.h,
  1499                                 have_xcursor_h_hdr=yes,
  1500                                 have_xcursor_h_hdr=no,
  1501                                 [#include <X11/Xlib.h>
  1502                                 ])
  1503                 if test x$have_xcursor_h_hdr = xyes; then
  1504                     if test x$enable_x11_shared = xyes && test x$xcursor_lib != x ; then
  1505                         echo "-- dynamic libXcursor -> $xcursor_lib"
  1506                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR, "$xcursor_lib", [ ])
  1507                         definitely_enable_video_x11_xcursor=yes
  1508                     else
  1509                         AC_CHECK_LIB(Xcursor, XcursorImageCreate, have_xcursor_lib=yes)
  1510                         if test x$have_xcursor_lib = xyes ; then
  1511                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXcursor"
  1512                             definitely_enable_video_x11_xcursor=yes
  1513                         fi
  1514                     fi
  1515                 fi
  1516             fi
  1517             if test x$definitely_enable_video_x11_xcursor = xyes; then
  1518                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XCURSOR, 1, [ ])
  1519                 SUMMARY_video_x11="${SUMMARY_video_x11} xcursor"
  1520             fi
  1521             AC_ARG_ENABLE(video-x11-xdbe,
  1522 AC_HELP_STRING([--enable-video-x11-xdbe], [enable X11 Xdbe support [[default=yes]]]),
  1523                             , enable_video_x11_xdbe=yes)
  1524             if test x$enable_video_x11_xdbe = xyes; then
  1525                 AC_CHECK_HEADER(X11/extensions/Xdbe.h,
  1526                                 have_dbe_h_hdr=yes,
  1527                                 have_dbe_h_hdr=no,
  1528                                 [#include <X11/Xlib.h>
  1529                                 ])
  1530                 if test x$have_dbe_h_hdr = xyes; then
  1531                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XDBE, 1, [ ])
  1532                     SUMMARY_video_x11="${SUMMARY_video_x11} xdbe"
  1533                 fi
  1534             fi
  1535             AC_ARG_ENABLE(video-x11-xinerama,
  1536 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
  1537                             , enable_video_x11_xinerama=yes)
  1538             if test x$enable_video_x11_xinerama = xyes; then
  1539                 definitely_enable_video_x11_xinerama=no
  1540                 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
  1541                                 have_xinerama_h_hdr=yes,
  1542                                 have_xinerama_h_hdr=no,
  1543                                 [#include <X11/Xlib.h>
  1544                                 ])
  1545                 if test x$have_xinerama_h_hdr = xyes; then
  1546                     if test x$enable_x11_shared = xyes && test x$xinerama_lib != x ; then
  1547                         echo "-- dynamic libXinerama -> $xinerama_lib"
  1548                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA, "$xinerama_lib", [ ])
  1549                         definitely_enable_video_x11_xinerama=yes
  1550                     else
  1551                         AC_CHECK_LIB(Xinerama, XineramaQueryExtension, have_xinerama_lib=yes)
  1552                         if test x$have_xinerama_lib = xyes ; then
  1553                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXinerama"
  1554                             definitely_enable_video_x11_xinerama=yes
  1555                         fi
  1556                     fi
  1557                 fi
  1558             fi
  1559             if test x$definitely_enable_video_x11_xinerama = xyes; then
  1560                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA, 1, [ ])
  1561                 SUMMARY_video_x11="${SUMMARY_video_x11} xinerama"
  1562             fi
  1563             AC_ARG_ENABLE(video-x11-xinput,
  1564 AC_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [[default=yes]]]),
  1565                             , enable_video_x11_xinput=yes)
  1566             if test x$enable_video_x11_xinput = xyes; then
  1567                 definitely_enable_video_x11_xinput=no
  1568                 AC_CHECK_HEADER(X11/extensions/XInput2.h,
  1569                                 have_xinput_h_hdr=yes,
  1570                                 have_xinput_h_hdr=no,
  1571                                 [#include <X11/Xlib.h>
  1572                                 ])
  1573                 if test x$have_xinput_h_hdr = xyes; then
  1574                     if test x$enable_x11_shared = xyes && test x$xinput_lib != x ; then
  1575                         echo "-- dynamic libXi -> $xinput_lib"
  1576                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2, "$xinput_lib", [ ])
  1577                         definitely_enable_video_x11_xinput=yes
  1578                     else
  1579                         AC_CHECK_LIB(Xi, XOpenDevice, have_xinput_lib=yes)
  1580                         if test x$have_xinput_lib = xyes ; then
  1581                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXi"
  1582                             definitely_enable_video_x11_xinput=yes
  1583                         fi
  1584                     fi
  1585                 fi
  1586             fi
  1587             if test x$definitely_enable_video_x11_xinput = xyes; then
  1588                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2"
  1589                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2, 1, [ ])
  1590                 AC_MSG_CHECKING(for xinput2 multitouch)
  1591             	have_xinput2_multitouch=no
  1592             	AC_TRY_COMPILE([
  1593               		#include <X11/Xlib.h>
  1594              		#include <X11/Xproto.h>
  1595 			#include <X11/extensions/XInput2.h>
  1596             	],[
  1597 int event_type = XI_TouchBegin;
  1598 XITouchClassInfo *t;
  1599             	],[
  1600             	have_xinput2_multitouch=yes
  1601             	AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH)
  1602                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2_multitouch"
  1603             	])
  1604             	AC_MSG_RESULT($have_xinput2_multitouch)
  1605             fi
  1606             AC_ARG_ENABLE(video-x11-xrandr,
  1607 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
  1608                             , enable_video_x11_xrandr=yes)
  1609             if test x$enable_video_x11_xrandr = xyes; then
  1610                 dnl XRRScreenResources is only present in Xrandr >= 1.2, we use that as a test.
  1611                 definitely_enable_video_x11_xrandr=no
  1612                 have_xrandr_h_hdr=no
  1613                 AC_TRY_COMPILE([
  1614                 #include <X11/Xlib.h>
  1615                 #include <X11/extensions/Xrandr.h>
  1616                 ],[
  1617                 XRRScreenResources *res = NULL;
  1618                 ],[
  1619                 have_xrandr_h_hdr=yes
  1620                 ])
  1621                 if test x$have_xrandr_h_hdr = xyes; then
  1622                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
  1623                         echo "-- dynamic libXrandr -> $xrandr_lib"
  1624                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib", [ ])
  1625                         definitely_enable_video_x11_xrandr=yes
  1626                     else
  1627                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
  1628                         if test x$have_xrandr_lib = xyes ; then
  1629                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr"
  1630                             definitely_enable_video_x11_xrandr=yes
  1631                         fi
  1632                     fi
  1633                 fi
  1634             fi
  1635             if test x$definitely_enable_video_x11_xrandr = xyes; then
  1636                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR, 1, [ ])
  1637                 SUMMARY_video_x11="${SUMMARY_video_x11} xrandr"
  1638             fi
  1639             AC_ARG_ENABLE(video-x11-scrnsaver,
  1640 AC_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [[default=yes]]]),
  1641                             , enable_video_x11_scrnsaver=yes)
  1642             if test x$enable_video_x11_scrnsaver = xyes; then
  1643                 AC_CHECK_HEADER(X11/extensions/scrnsaver.h,
  1644                                 have_scrnsaver_h_hdr=yes,
  1645                                 have_scrnsaver_h_hdr=no,
  1646                                 [#include <X11/Xlib.h>
  1647                                 ])
  1648                 if test x$have_scrnsaver_h_hdr = xyes; then
  1649                     if test x$enable_x11_shared = xyes && test x$xss_lib != x ; then
  1650                         echo "-- dynamic libXss -> $xss_lib"
  1651                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS, "$xss_lib", [ ])
  1652                         definitely_enable_video_x11_scrnsaver=yes
  1653                     else
  1654                         AC_CHECK_LIB(Xss, XScreenSaverSuspend, have_xss_lib=yes)
  1655                         if test x$have_xss_lib = xyes ; then
  1656                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXss"
  1657                             definitely_enable_video_x11_scrnsaver=yes
  1658                         fi
  1659                     fi
  1660                 fi
  1661             fi
  1662             if test x$definitely_enable_video_x11_scrnsaver = xyes; then
  1663                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSCRNSAVER, 1, [ ])
  1664                 SUMMARY_video_x11="${SUMMARY_video_x11} xscrnsaver"
  1665             fi
  1666             AC_ARG_ENABLE(video-x11-xshape,
  1667 AC_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [[default=yes]]]),
  1668                             , enable_video_x11_xshape=yes)
  1669             if test x$enable_video_x11_xshape = xyes; then
  1670                 AC_CHECK_HEADER(X11/extensions/shape.h,
  1671                                 have_shape_h_hdr=yes,
  1672                                 have_shape_h_hdr=no,
  1673                                 [#include <X11/Xlib.h>
  1674                                 ])
  1675                 if test x$have_shape_h_hdr = xyes; then
  1676                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSHAPE, 1, [ ])
  1677                     SUMMARY_video_x11="${SUMMARY_video_x11} xshape"
  1678                 fi
  1679             fi
  1680             AC_ARG_ENABLE(video-x11-vm,
  1681 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
  1682                             , enable_video_x11_vm=yes)
  1683             if test x$enable_video_x11_vm = xyes; then
  1684                 definitely_enable_video_x11_vm=no
  1685                 AC_CHECK_HEADER(X11/extensions/xf86vmode.h,
  1686                                 have_vm_h_hdr=yes,
  1687                                 have_vm_h_hdr=no,
  1688                                 [#include <X11/Xlib.h>
  1689                                 ])
  1690                 if test x$have_vm_h_hdr = xyes; then
  1691                     if test x$enable_x11_shared = xyes && test x$xvidmode_lib != x ; then
  1692                         echo "-- dynamic libXxf86vm -> $xvidmode_lib"
  1693                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE, "$xvidmode_lib", [ ])
  1694                         definitely_enable_video_x11_vm=yes
  1695                     else
  1696                         AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, have_vm_lib=yes)
  1697                         if test x$have_vm_lib = xyes ; then
  1698                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXxf86vm"
  1699                             definitely_enable_video_x11_vm=yes
  1700                         fi
  1701                     fi
  1702                 fi
  1703             fi
  1704             if test x$definitely_enable_video_x11_vm = xyes; then
  1705                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XVIDMODE, 1, [ ])
  1706                 SUMMARY_video_x11="${SUMMARY_video_x11} xvidmode"
  1707             fi
  1708         fi
  1709     fi
  1710 }
  1711 
  1712 dnl Set up the Vivante video driver if enabled
  1713 CheckVivanteVideo()
  1714 {
  1715     AC_ARG_ENABLE(video-vivante,
  1716 AC_HELP_STRING([--enable-video-vivante], [use Vivante EGL video driver [[default=yes]]]),
  1717                   , enable_video_vivante=yes)
  1718     if test x$enable_video = xyes -a x$enable_video_vivante = xyes; then
  1719         AC_MSG_CHECKING(for Vivante VDK API)
  1720         have_vivante_vdk=no
  1721         AC_TRY_COMPILE([
  1722           #define LINUX
  1723           #define EGL_API_FB
  1724           #include <gc_vdk.h>
  1725         ],[
  1726         ],[
  1727         have_vivante_vdk=yes
  1728         ])
  1729         AC_MSG_RESULT($have_vivante_vdk)
  1730 
  1731         AC_MSG_CHECKING(for Vivante FB API)
  1732         have_vivante_egl=no
  1733         AC_TRY_COMPILE([
  1734           #define LINUX
  1735           #define EGL_API_FB
  1736           #include <EGL/eglvivante.h>
  1737         ],[
  1738         ],[
  1739         have_vivante_egl=yes
  1740         ])
  1741         AC_MSG_RESULT($have_vivante_egl)
  1742 
  1743         if test x$have_vivante_vdk = xyes -o x$have_vivante_egl = xyes; then
  1744             AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE, 1, [ ])
  1745             EXTRA_CFLAGS="$EXTRA_CFLAGS -DLINUX -DEGL_API_FB"
  1746             if test x$have_vivante_vdk = xyes; then
  1747                 AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE_VDK, 1, [ ])
  1748                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lVDK"
  1749             fi
  1750             SOURCES="$SOURCES $srcdir/src/video/vivante/*.c"
  1751             SUMMARY_video="${SUMMARY_video} vivante"
  1752             have_video=yes
  1753         fi
  1754     fi
  1755 }
  1756 
  1757 dnl Set up the Haiku video driver if enabled
  1758 CheckHaikuVideo()
  1759 {
  1760     if test x$enable_video = xyes; then
  1761         AC_DEFINE(SDL_VIDEO_DRIVER_HAIKU, 1, [ ])
  1762         SOURCES="$SOURCES $srcdir/src/video/haiku/*.cc"
  1763         have_video=yes
  1764         SUMMARY_video="${SUMMARY_video} haiku"
  1765     fi
  1766 }
  1767 
  1768 dnl Set up the Cocoa video driver for Mac OS X (but not Darwin)
  1769 CheckCOCOA()
  1770 {
  1771     AC_ARG_ENABLE(video-cocoa,
  1772 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]]),
  1773                   , enable_video_cocoa=yes)
  1774     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  1775         save_CFLAGS="$CFLAGS"
  1776         dnl work around that we don't have Objective-C support in autoconf
  1777         CFLAGS="$CFLAGS -x objective-c"
  1778         AC_MSG_CHECKING(for Cocoa framework)
  1779         have_cocoa=no
  1780         AC_TRY_COMPILE([
  1781           #import <Cocoa/Cocoa.h>
  1782         ],[
  1783         ],[
  1784         have_cocoa=yes
  1785         ])
  1786         AC_MSG_RESULT($have_cocoa)
  1787         CFLAGS="$save_CFLAGS"
  1788         if test x$have_cocoa = xyes; then
  1789             AC_DEFINE(SDL_VIDEO_DRIVER_COCOA, 1, [ ])
  1790             SOURCES="$SOURCES $srcdir/src/video/cocoa/*.m"
  1791             SUMMARY_video="${SUMMARY_video} cocoa"
  1792             have_video=yes
  1793         fi
  1794     fi
  1795 }
  1796 
  1797 dnl Find DirectFB
  1798 CheckDirectFB()
  1799 {
  1800     AC_ARG_ENABLE(video-directfb,
  1801 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),
  1802                   , enable_video_directfb=no)
  1803     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
  1804         video_directfb=no
  1805 
  1806         DIRECTFB_REQUIRED_VERSION=1.0.0
  1807         AC_PATH_PROGS(DIRECTFBCONFIG, directfb-config, no, [$prefix/bin:$PATH])
  1808         if test x$DIRECTFBCONFIG = xno; then
  1809             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1810             if test x$PKG_CONFIG != xno; then
  1811                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
  1812                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
  1813                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
  1814                     DIRECTFB_PREFIX=`$PKG_CONFIG --variable=prefix directfb`
  1815                     video_directfb=yes
  1816                 fi
  1817             fi
  1818         else
  1819             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
  1820             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1821             set -- `$DIRECTFBCONFIG --version | sed 's/\./ /g'`
  1822             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1823             if test $HAVE_VERSION -ge $NEED_VERSION; then
  1824                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
  1825                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
  1826                 DIRECTFB_PREFIX=`$DIRECTFBCONFIG --prefix`
  1827                 video_directfb=yes
  1828             fi
  1829         fi
  1830         if test x$video_directfb = xyes; then
  1831             # SuSE 11.1 installs directfb-config without directfb-devel
  1832             save_CPPFLAGS="$CPPFLAGS"
  1833             CPPFLAGS="$CPPFLAGS $DIRECTFB_CFLAGS"
  1834             AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no)
  1835             CPPFLAGS="$save_CPPFLAGS"
  1836             video_directfb=$have_directfb_hdr
  1837         fi
  1838         AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
  1839         AC_MSG_RESULT($video_directfb)
  1840 
  1841         if test x$video_directfb = xyes; then
  1842             AC_ARG_ENABLE(directfb-shared,
  1843 AC_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [[default=yes]]]),
  1844                               , enable_directfb_shared=yes)
  1845 
  1846             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB, 1, [ ])
  1847             AC_DEFINE(SDL_VIDEO_RENDER_DIRECTFB, 1, [ ])
  1848             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
  1849             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
  1850 
  1851             AC_MSG_CHECKING(for directfb dynamic loading support)
  1852             directfb_shared=no
  1853             directfb_lib=[`find_lib "libdirectfb.so.*" "$DIRECTFB_LIBS"`]
  1854             # | sed 's/.*\/\(.*\)/\1/; q'`]
  1855 AC_MSG_WARN("directfb $directfb_lib")
  1856             if test x$have_loadso != xyes && \
  1857                test x$enable_directfb_shared = xyes; then
  1858                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic directfb loading])
  1859             fi
  1860             if test x$have_loadso = xyes && \
  1861                test x$enable_directfb_shared = xyes && test x$directfb_lib != x; then
  1862                 directfb_shared=yes
  1863                 echo "-- $directfb_lib_spec -> $directfb_lib"
  1864                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC, "$directfb_lib", [ ])
  1865                 SUMMARY_video="${SUMMARY_video} directfb(dynamic)"
  1866             else
  1867                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
  1868                 SUMMARY_video="${SUMMARY_video} directfb"
  1869             fi
  1870             AC_MSG_RESULT($directfb_shared)
  1871             SDL_CFLAGS="$SDL_CFLAGS $DIRECTFB_CFLAGS"
  1872             have_video=yes
  1873         fi
  1874     fi
  1875 }
  1876 
  1877 dnl Find FusionSound
  1878 CheckFusionSound()
  1879 {
  1880     AC_ARG_ENABLE(fusionsound,
  1881 AC_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [[default=no]]]),
  1882                   , enable_fusionsound=no)
  1883     if test x$enable_audio = xyes -a x$enable_fusionsound = xyes; then
  1884         fusionsound=no
  1885 
  1886         FUSIONSOUND_REQUIRED_VERSION=1.1.1
  1887 
  1888         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1889         AC_MSG_CHECKING(for FusionSound $FUSIONSOUND_REQUIRED_VERSION support)
  1890         if test x$PKG_CONFIG != xno; then
  1891             if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $FUSIONSOUND_REQUIRED_VERSION fusionsound; then
  1892                 FUSIONSOUND_CFLAGS=`$PKG_CONFIG --cflags fusionsound`
  1893                 FUSIONSOUND_LIBS=`$PKG_CONFIG --libs fusionsound`
  1894                 fusionsound=yes
  1895             fi
  1896         fi
  1897         AC_MSG_RESULT($fusionsound)
  1898 
  1899         if test x$fusionsound = xyes; then
  1900             AC_DEFINE(SDL_AUDIO_DRIVER_FUSIONSOUND, 1, [ ])
  1901             SOURCES="$SOURCES $srcdir/src/audio/fusionsound/*.c"
  1902             EXTRA_CFLAGS="$EXTRA_CFLAGS $FUSIONSOUND_CFLAGS"
  1903             
  1904             AC_ARG_ENABLE(fusionsound-shared,
  1905 AC_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [[default=yes]]]),
  1906                           , enable_fusionsound_shared=yes)
  1907             fusionsound_shared=no
  1908             AC_MSG_CHECKING(for FusionSound dynamic loading support)
  1909             if test x$have_loadso != xyes && \
  1910                test x$enable_fusionsound_shared = xyes; then
  1911                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic fusionsound loading])
  1912             fi
  1913             if test x$have_loadso = xyes && \
  1914                test x$enable_fusionsound_shared = xyes; then
  1915                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC, "libfusionsound.so", [ ])
  1916                 fusionsound_shared=yes
  1917                 SUMMARY_audio="${SUMMARY_audio} fusionsound(dynamic)"
  1918             else
  1919                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $FUSIONSOUND_LIBS"
  1920                 SUMMARY_audio="${SUMMARY_audio} fusionsound"
  1921             fi
  1922             AC_MSG_RESULT($fusionsound_shared)
  1923             
  1924             have_audio=yes
  1925         fi
  1926     fi
  1927 }
  1928 
  1929 dnl rcg04172001 Set up the Null video driver.
  1930 CheckDummyVideo()
  1931 {
  1932     AC_ARG_ENABLE(video-dummy,
  1933 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
  1934                   , enable_video_dummy=yes)
  1935     if test x$enable_video_dummy = xyes; then
  1936         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ])
  1937         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
  1938         have_video=yes
  1939         SUMMARY_video="${SUMMARY_video} dummy"
  1940     fi
  1941 }
  1942 
  1943 dnl Check to see if OpenGL support is desired
  1944 AC_ARG_ENABLE(video-opengl,
  1945 AC_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),
  1946               , enable_video_opengl=yes)
  1947 
  1948 dnl Find OpenGL
  1949 CheckOpenGLX11()
  1950 {
  1951     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1952         AC_MSG_CHECKING(for OpenGL (GLX) support)
  1953         video_opengl=no
  1954         AC_TRY_COMPILE([
  1955          #include <GL/gl.h>
  1956          #include <GL/glx.h>
  1957         ],[
  1958         ],[
  1959         video_opengl=yes
  1960         ])
  1961         AC_MSG_RESULT($video_opengl)
  1962         if test x$video_opengl = xyes; then
  1963             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1964             AC_DEFINE(SDL_VIDEO_OPENGL_GLX, 1, [ ])
  1965             AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  1966             SUMMARY_video="${SUMMARY_video} opengl"
  1967         fi
  1968     fi
  1969 }
  1970 
  1971 dnl Check to see if OpenGL ES support is desired
  1972 AC_ARG_ENABLE(video-opengles,
  1973 AC_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [[default=yes]]]),
  1974               , enable_video_opengles=yes)
  1975 AC_ARG_ENABLE(video-opengles1,
  1976 AC_HELP_STRING([--enable-video-opengles1], [include OpenGL ES 1.1 support [[default=yes]]]),
  1977               , enable_video_opengles1=yes)
  1978 AC_ARG_ENABLE(video-opengles2,
  1979 AC_HELP_STRING([--enable-video-opengles2], [include OpenGL ES 2.0 support [[default=yes]]]),
  1980               , enable_video_opengles2=yes)
  1981 
  1982 dnl Find OpenGL ES
  1983 CheckOpenGLESX11()
  1984 {
  1985     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  1986         AC_MSG_CHECKING(for EGL support)
  1987         video_opengl_egl=no
  1988         AC_TRY_COMPILE([
  1989           #define LINUX
  1990           #define EGL_API_FB
  1991           #include <EGL/egl.h>
  1992           #include <EGL/eglext.h>
  1993         ],[
  1994         ],[
  1995         video_opengl_egl=yes
  1996         ])
  1997         AC_MSG_RESULT($video_opengl_egl)
  1998         if test x$video_opengl_egl = xyes; then
  1999             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2000         fi
  2001             
  2002         if test x$enable_video_opengles1 = xyes; then
  2003             AC_MSG_CHECKING(for OpenGL ES v1 headers)
  2004             video_opengles_v1=no
  2005             AC_TRY_COMPILE([
  2006              #include <GLES/gl.h>
  2007              #include <GLES/glext.h>
  2008             ],[
  2009             ],[
  2010             video_opengles_v1=yes
  2011             ])
  2012             AC_MSG_RESULT($video_opengles_v1)
  2013             if test x$video_opengles_v1 = xyes; then
  2014                 AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])
  2015                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])
  2016                 SUMMARY_video="${SUMMARY_video} opengl_es1"
  2017             fi
  2018         fi
  2019         
  2020         if test x$enable_video_opengles2 = xyes; then
  2021             AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2022             video_opengles_v2=no
  2023             AC_TRY_COMPILE([
  2024              #include <GLES2/gl2.h>
  2025              #include <GLES2/gl2ext.h>
  2026             ],[
  2027             ],[
  2028             video_opengles_v2=yes
  2029             ])
  2030             AC_MSG_RESULT($video_opengles_v2)
  2031             if test x$video_opengles_v2 = xyes; then
  2032                 AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2033                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2034                 SUMMARY_video="${SUMMARY_video} opengl_es2"
  2035             fi
  2036         fi
  2037     fi
  2038 }
  2039 
  2040 dnl Check for Windows OpenGL
  2041 CheckWINDOWSGL()
  2042 {
  2043     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2044         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2045         AC_DEFINE(SDL_VIDEO_OPENGL_WGL, 1, [ ])
  2046         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2047         SUMMARY_video="${SUMMARY_video} opengl"
  2048     fi
  2049 }
  2050 
  2051 dnl Check for Windows OpenGL
  2052 CheckWINDOWSGLES()
  2053 {
  2054     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2055 
  2056         AC_MSG_CHECKING(for EGL support)
  2057         video_opengl_egl=no
  2058         AC_TRY_COMPILE([
  2059          #include <EGL/egl.h>
  2060         ],[
  2061         ],[
  2062         video_opengl_egl=yes
  2063         ])
  2064         AC_MSG_RESULT($video_opengl_egl)
  2065         if test x$video_opengl_egl = xyes; then
  2066             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2067             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2068             SUMMARY_video="${SUMMARY_video} opengl_es1"
  2069         fi
  2070        
  2071         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2072         video_opengles_v2=no
  2073         AC_TRY_COMPILE([
  2074          #include <GLES2/gl2.h>
  2075          #include <GLES2/gl2ext.h>
  2076         ],[
  2077         ],[
  2078         video_opengles_v2=yes
  2079         ])
  2080         AC_MSG_RESULT($video_opengles_v2)
  2081         if test x$video_opengles_v2 = xyes; then
  2082             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2083             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2084             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2085             SUMMARY_video="${SUMMARY_video} opengl_es2"
  2086         fi
  2087     fi
  2088 }
  2089 
  2090 dnl Check for Haiku OpenGL
  2091 CheckHaikuGL()
  2092 {
  2093     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2094         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2095         AC_DEFINE(SDL_VIDEO_OPENGL_HAIKU, 1, [ ])
  2096         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2097         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  2098         SUMMARY_video="${SUMMARY_video} opengl"
  2099     fi
  2100 }
  2101 
  2102 dnl Check for MacOS OpenGL
  2103 CheckMacGL()
  2104 {
  2105     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2106         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2107         AC_DEFINE(SDL_VIDEO_OPENGL_CGL, 1, [ ])
  2108         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2109         SUMMARY_video="${SUMMARY_video} opengl"
  2110     fi
  2111 }
  2112 
  2113 CheckEmscriptenGLES()
  2114 {
  2115     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2116         AC_MSG_CHECKING(for EGL support)
  2117         video_opengl_egl=no
  2118         AC_TRY_COMPILE([
  2119          #include <EGL/egl.h>
  2120         ],[
  2121         ],[
  2122         video_opengl_egl=yes
  2123         ])
  2124         AC_MSG_RESULT($video_opengl_egl)
  2125         if test x$video_opengl_egl = xyes; then
  2126             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2127         fi
  2128 
  2129         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2130         video_opengles_v2=no
  2131         AC_TRY_COMPILE([
  2132          #include <GLES2/gl2.h>
  2133          #include <GLES2/gl2ext.h>
  2134         ],[
  2135         ],[
  2136         video_opengles_v2=yes
  2137         ])
  2138         AC_MSG_RESULT($video_opengles_v2)
  2139         if test x$video_opengles_v2 = xyes; then
  2140             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2141             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2142             SUMMARY_video="${SUMMARY_video} opengl_es2"
  2143         fi
  2144     fi
  2145 }
  2146 
  2147 dnl See if we can use the new unified event interface in Linux 2.4
  2148 CheckInputEvents()
  2149 {
  2150     dnl Check for Linux 2.4 unified input event interface support
  2151         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
  2152         use_input_events=no
  2153         AC_TRY_COMPILE([
  2154           #include <linux/input.h>
  2155         ],[
  2156           #ifndef EVIOCGNAME
  2157           #error EVIOCGNAME() ioctl not available
  2158           #endif
  2159         ],[
  2160         use_input_events=yes
  2161         ])
  2162         AC_MSG_RESULT($use_input_events)
  2163         if test x$use_input_events = xyes; then
  2164             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])
  2165             SUMMARY_input="${SUMMARY_input} linuxev"
  2166         fi
  2167 }
  2168 
  2169 dnl See if we can use the kernel kd.h header
  2170 CheckInputKD()
  2171 {
  2172 
  2173     AC_MSG_CHECKING(for Linux kd.h)
  2174     use_input_kd=no
  2175     AC_TRY_COMPILE([
  2176       #include <linux/kd.h>
  2177       #include <linux/keyboard.h>
  2178     ],[
  2179         struct kbentry kbe;
  2180         kbe.kb_table = KG_CTRL;
  2181         ioctl(0, KDGKBENT, &kbe);
  2182     ],[
  2183     use_input_kd=yes
  2184     ])
  2185     AC_MSG_RESULT($use_input_kd)
  2186     if test x$use_input_kd = xyes; then
  2187         AC_DEFINE(SDL_INPUT_LINUXKD, 1, [ ])
  2188         SUMMARY_input="${SUMMARY_input} linuxkd"
  2189     fi
  2190 }
  2191 
  2192 dnl See if the platform offers libudev for device enumeration and hotplugging.
  2193 CheckLibUDev()
  2194 {
  2195     AC_ARG_ENABLE(libudev,
  2196 AC_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),
  2197                         , enable_libudev=yes)
  2198     if test x$enable_libudev = xyes; then
  2199         AC_CHECK_HEADER(libudev.h,
  2200                         have_libudev_h_hdr=yes,
  2201                         have_libudev_h_hdr=no)
  2202         if test x$have_libudev_h_hdr = xyes; then
  2203             AC_DEFINE(HAVE_LIBUDEV_H, 1, [ ])
  2204         fi
  2205     fi
  2206 }
  2207 
  2208 dnl See if the platform offers libdbus for various IPC techniques.
  2209 CheckDBus()
  2210 {
  2211     AC_ARG_ENABLE(dbus,
  2212 AC_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),
  2213                         , enable_dbus=yes)
  2214     if test x$enable_dbus = xyes; then
  2215         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2216         if test x$PKG_CONFIG != xno; then
  2217             DBUS_CFLAGS=`$PKG_CONFIG --cflags dbus-1`
  2218             save_CFLAGS="$CFLAGS"
  2219             CFLAGS="$save_CFLAGS $DBUS_CFLAGS"
  2220             AC_CHECK_HEADER(dbus/dbus.h,
  2221                             have_dbus_dbus_h_hdr=yes,
  2222                             have_dbus_dbus_h_hdr=no)
  2223             CFLAGS="$save_CFLAGS"
  2224             if test x$have_dbus_dbus_h_hdr = xyes; then
  2225                 AC_DEFINE(HAVE_DBUS_DBUS_H, 1, [ ])
  2226                 EXTRA_CFLAGS="$EXTRA_CFLAGS $DBUS_CFLAGS"
  2227                 SOURCES="$SOURCES $srcdir/src/core/linux/SDL_dbus.c"
  2228             fi
  2229         fi
  2230     fi
  2231 }
  2232 
  2233 dnl See if the platform has libibus IME support.
  2234 CheckIBus()
  2235 {
  2236     AC_ARG_ENABLE(ibus,
  2237 AC_HELP_STRING([--enable-ibus], [enable IBus support [[default=yes]]]),
  2238                   , enable_ibus=yes)
  2239     if test x$enable_ibus = xyes; then
  2240         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2241         if test x$PKG_CONFIG != xno; then
  2242             IBUS_CFLAGS=`$PKG_CONFIG --cflags ibus-1.0`
  2243             save_CFLAGS="$CFLAGS"
  2244             CFLAGS="$save_CFLAGS $IBUS_CFLAGS"
  2245             AC_CHECK_HEADER(ibus-1.0/ibus.h,
  2246                             have_ibus_ibus_h_hdr=yes,
  2247                             have_ibus_ibus_h_hdr=no)
  2248             AC_CHECK_HEADER(sys/inotify.h,
  2249                             have_inotify_inotify_h_hdr=yes,
  2250                             have_inotify_inotify_h_hdr=no)
  2251             CFLAGS="$save_CFLAGS"
  2252             if test x$have_ibus_ibus_h_hdr = xyes; then
  2253                 if test x$enable_dbus != xyes; then
  2254                     AC_MSG_WARN([DBus support is required for IBus.])
  2255                     have_ibus_ibus_h_hdr=no
  2256                 elif test x$have_inotify_inotify_h_hdr != xyes; then
  2257                     AC_MSG_WARN([INotify support is required for IBus.])
  2258                     have_ibus_ibus_h_hdr=no
  2259                 else
  2260                     AC_DEFINE(HAVE_IBUS_IBUS_H, 1, [ ])
  2261                     EXTRA_CFLAGS="$EXTRA_CFLAGS $IBUS_CFLAGS"
  2262                     SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ibus.c"
  2263                fi
  2264             fi
  2265         fi
  2266     fi
  2267 }
  2268 
  2269 dnl See if we can use the Touchscreen input library
  2270 CheckTslib()
  2271 {
  2272     AC_ARG_ENABLE(input-tslib,
  2273 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
  2274                   , enable_input_tslib=yes)
  2275     if test x$enable_input_tslib = xyes; then
  2276         AC_MSG_CHECKING(for Touchscreen library support)
  2277         enable_input_tslib=no
  2278         AC_TRY_COMPILE([
  2279           #include "tslib.h"
  2280         ],[
  2281         ],[
  2282         enable_input_tslib=yes
  2283         ])
  2284         AC_MSG_RESULT($enable_input_tslib)
  2285         if test x$enable_input_tslib = xyes; then
  2286             AC_DEFINE(SDL_INPUT_TSLIB, 1, [ ])
  2287             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
  2288             SUMMARY_input="${SUMMARY_input} ts"
  2289         fi
  2290     fi
  2291 }
  2292 
  2293 dnl See what type of thread model to use on Linux and Solaris
  2294 CheckPTHREAD()
  2295 {
  2296     dnl Check for pthread support
  2297     AC_ARG_ENABLE(pthreads,
  2298 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
  2299                   , enable_pthreads=yes)
  2300     dnl This is used on Linux for glibc binary compatibility (Doh!)
  2301     AC_ARG_ENABLE(pthread-sem,
  2302 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
  2303                   , enable_pthread_sem=yes)
  2304     case "$host" in
  2305          *-*-androideabi*)
  2306             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2307             pthread_lib=""
  2308             ;;
  2309         *-*-linux*|*-*-uclinux*)
  2310             pthread_cflags="-D_REENTRANT"
  2311             pthread_lib="-lpthread"
  2312             ;;
  2313         *-*-bsdi*)
  2314             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2315             pthread_lib=""
  2316             ;;
  2317         *-*-darwin*)
  2318             pthread_cflags="-D_THREAD_SAFE"
  2319 # causes Carbon.p complaints?
  2320 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2321             ;;
  2322         *-*-freebsd*|*-*-dragonfly*)
  2323             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2324             pthread_lib="-pthread"
  2325             ;;
  2326         *-*-netbsd*)
  2327             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2328             pthread_lib="-lpthread"
  2329             ;;
  2330         *-*-openbsd*)
  2331             pthread_cflags="-D_REENTRANT"
  2332             pthread_lib="-pthread"
  2333             ;;
  2334         *-*-solaris2.9)
  2335             # From Solaris 9+, posix4's preferred name is rt.
  2336             pthread_cflags="-D_REENTRANT"
  2337             pthread_lib="-lpthread -lrt"
  2338             ;;
  2339         *-*-solaris2.10)
  2340             # Solaris 10+ merged pthread into libc.
  2341             pthread_cflags="-D_REENTRANT"
  2342             pthread_lib="-lrt"
  2343             ;;
  2344         *-*-solaris*)
  2345             # Solaris 11+ merged rt into libc.
  2346             pthread_cflags="-D_REENTRANT"
  2347             pthread_lib=""
  2348             ;;
  2349         *-*-sysv5*)
  2350             pthread_cflags="-D_REENTRANT -Kthread"
  2351             pthread_lib=""
  2352             ;;
  2353         *-*-aix*)
  2354             pthread_cflags="-D_REENTRANT -mthreads"
  2355             pthread_lib="-lpthread"
  2356             ;;
  2357         *-*-hpux11*)
  2358             pthread_cflags="-D_REENTRANT"
  2359             pthread_lib="-L/usr/lib -lpthread"
  2360             ;;
  2361         *-*-haiku*)
  2362             pthread_cflags="-D_REENTRANT"
  2363             pthread_lib=""
  2364             ;;
  2365         *)
  2366             pthread_cflags="-D_REENTRANT"
  2367             pthread_lib="-lpthread"
  2368             ;;
  2369     esac
  2370     if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then
  2371         # Save the original compiler flags and libraries
  2372         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2373         # Add the pthread compiler flags and libraries
  2374         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2375         # Check to see if we have pthread support on this system
  2376         AC_MSG_CHECKING(for pthreads)
  2377         use_pthreads=no
  2378         AC_TRY_LINK([
  2379          #include <pthread.h>
  2380         ],[
  2381          pthread_attr_t type;
  2382          pthread_attr_init(&type);
  2383         ],[
  2384         use_pthreads=yes
  2385         ])
  2386         AC_MSG_RESULT($use_pthreads)
  2387         # Restore the compiler flags and libraries
  2388         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2389 
  2390         # Do futher testing if we have pthread support...
  2391         if test x$use_pthreads = xyes; then
  2392             AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ])
  2393             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
  2394             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
  2395             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
  2396 
  2397             # Save the original compiler flags and libraries
  2398             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2399             # Add the pthread compiler flags and libraries
  2400             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2401 
  2402             # Check to see if recursive mutexes are available
  2403             AC_MSG_CHECKING(for recursive mutexes)
  2404             has_recursive_mutexes=no
  2405             if test x$has_recursive_mutexes = xno; then
  2406                 AC_TRY_LINK([
  2407                   #define _GNU_SOURCE 1
  2408                   #include <pthread.h>
  2409                 ],[
  2410                   pthread_mutexattr_t attr;
  2411                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
  2412                 ],[
  2413                 has_recursive_mutexes=yes
  2414                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ])
  2415                 ])
  2416             fi
  2417             if test x$has_recursive_mutexes = xno; then
  2418                 AC_TRY_LINK([
  2419                   #define _GNU_SOURCE 1
  2420                   #include <pthread.h>
  2421                 ],[
  2422                   pthread_mutexattr_t attr;
  2423                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
  2424                 ],[
  2425                 has_recursive_mutexes=yes
  2426                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ])
  2427                 ])
  2428             fi
  2429             AC_MSG_RESULT($has_recursive_mutexes)
  2430 
  2431             # Check to see if pthread semaphore support is missing
  2432             if test x$enable_pthread_sem = xyes; then
  2433                 AC_MSG_CHECKING(for pthread semaphores)
  2434                 have_pthread_sem=no
  2435                 AC_TRY_COMPILE([
  2436                   #include <pthread.h>
  2437                   #include <semaphore.h>
  2438                 ],[
  2439                 ],[
  2440                 have_pthread_sem=yes
  2441                 ])
  2442                 AC_MSG_RESULT($have_pthread_sem)
  2443             fi
  2444             if test x$have_pthread_sem = xyes; then
  2445                 AC_MSG_CHECKING(for sem_timedwait)
  2446                 have_sem_timedwait=no
  2447                 AC_TRY_LINK([
  2448                   #include <pthread.h>
  2449                   #include <semaphore.h>
  2450                 ],[
  2451                   sem_timedwait(NULL, NULL);
  2452                 ],[
  2453                 have_sem_timedwait=yes
  2454                 AC_DEFINE(HAVE_SEM_TIMEDWAIT)
  2455                 ])
  2456                 AC_MSG_RESULT($have_sem_timedwait)
  2457             fi
  2458 
  2459             AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes, have_pthread_np_h=no, [ #include <pthread.h> ])
  2460             if test x$have_pthread_np_h = xyes; then
  2461                 AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ])
  2462             fi
  2463 
  2464             # Check to see if pthread naming is available
  2465             AC_MSG_CHECKING(for pthread_setname_np)
  2466             AC_TRY_LINK_FUNC(pthread_setname_np, [
  2467               has_pthread_setname_np=yes
  2468               AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ])
  2469             ],[
  2470               has_pthread_setname_np=no
  2471             ])
  2472             AC_MSG_RESULT($has_pthread_setname_np)
  2473 
  2474             AC_MSG_CHECKING(for pthread_set_name_np)
  2475             AC_TRY_LINK_FUNC(pthread_set_name_np, [
  2476               has_pthread_set_name_np=yes
  2477               AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ])
  2478             ],[
  2479               has_pthread_set_name_np=no
  2480             ])
  2481             AC_MSG_RESULT($has_pthread_set_name_np)
  2482 
  2483             # Restore the compiler flags and libraries
  2484             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2485 
  2486             # Basic thread creation functions
  2487             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
  2488 
  2489             # Semaphores
  2490             # We can fake these with mutexes and condition variables if necessary
  2491             if test x$have_pthread_sem = xyes; then
  2492                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
  2493             else
  2494                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  2495             fi
  2496 
  2497             # Mutexes
  2498             # We can fake these with semaphores if necessary
  2499             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
  2500 
  2501             # Condition variables
  2502             # We can fake these with semaphores and mutexes if necessary
  2503             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
  2504 
  2505             # Thread local storage
  2506             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systls.c"
  2507 
  2508             have_threads=yes
  2509         fi
  2510     fi
  2511 }
  2512 
  2513 dnl Determine whether the compiler can produce Windows executables
  2514 CheckWINDOWS()
  2515 {
  2516     AC_MSG_CHECKING(Windows compiler)
  2517     have_win32_gcc=no
  2518     AC_TRY_COMPILE([
  2519      #include <windows.h>
  2520     ],[
  2521     ],[
  2522     have_win32_gcc=yes
  2523     ])
  2524     AC_MSG_RESULT($have_win32_gcc)
  2525     if test x$have_win32_gcc != xyes; then
  2526        AC_MSG_ERROR([
  2527 *** Your compiler ($CC) does not produce Windows executables!
  2528        ])
  2529     fi
  2530 
  2531     AC_MSG_CHECKING(Windows CE)
  2532     have_wince=no
  2533     AC_TRY_COMPILE([
  2534 #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__)
  2535 #error This is not Windows CE
  2536 #endif
  2537     ],[
  2538     ],[
  2539     have_wince=yes
  2540        AC_MSG_ERROR([
  2541 *** Sorry, Windows CE is no longer supported.
  2542        ])
  2543     ])
  2544     AC_MSG_RESULT($have_wince)
  2545 
  2546     # This fixes Windows stack alignment with newer GCC
  2547     CheckStackBoundary
  2548 }
  2549 
  2550 dnl Find the DirectX includes and libraries
  2551 CheckDIRECTX()
  2552 {
  2553     AC_ARG_ENABLE(directx,
  2554 AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
  2555                   , enable_directx=yes)
  2556     if test x$enable_directx = xyes; then
  2557         AC_CHECK_HEADER(d3d9.h, have_d3d=yes)
  2558         AC_CHECK_HEADER(d3d11_1.h, have_d3d11=yes)
  2559         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
  2560         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
  2561         AC_CHECK_HEADER(dinput.h, have_dinput=yes)
  2562         AC_CHECK_HEADER(dxgi.h, have_dxgi=yes)
  2563         AC_CHECK_HEADER(xaudio2.h, have_xaudio2=yes)
  2564         AC_CHECK_HEADER(xinput.h, have_xinput=yes)
  2565 
  2566         if test x$have_ddraw = xyes; then
  2567             AC_DEFINE(HAVE_DDRAW_H, 1, [ ])
  2568         fi
  2569         if test x$have_dinput = xyes; then
  2570             AC_DEFINE(HAVE_DINPUT_H, 1, [ ])
  2571         fi
  2572         if test x$have_dsound = xyes; then
  2573             AC_DEFINE(HAVE_DSOUND_H, 1, [ ])
  2574         fi
  2575         if test x$have_dxgi = xyes; then
  2576             AC_DEFINE(HAVE_DXGI_H, 1, [ ])
  2577         fi
  2578         if test x$have_xinput = xyes; then
  2579             AC_DEFINE(HAVE_XINPUT_H, 1, [ ])
  2580         fi
  2581 
  2582         SUMMARY_video="${SUMMARY_video} directx"
  2583         SUMMARY_audio="${SUMMARY_audio} directx"
  2584 
  2585         # FIXME: latest Cygwin finds dinput headers, but we die on other win32 headers.
  2586         # FIXME:  ...so force it off for now.
  2587         case "$host" in
  2588             *-*-cygwin*)
  2589             have_dinput=false
  2590             ;;
  2591         esac
  2592     fi
  2593 }
  2594 
  2595 dnl Check for the dlfcn.h interface for dynamically loading objects
  2596 CheckDLOPEN()
  2597 {
  2598     AC_ARG_ENABLE(sdl-dlopen,
  2599 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
  2600                   , enable_sdl_dlopen=yes)
  2601     if test x$enable_sdl_dlopen = xyes; then
  2602         AC_MSG_CHECKING(for dlopen)
  2603         have_dlopen=no
  2604         AC_TRY_COMPILE([
  2605          #include <dlfcn.h>
  2606         ],[
  2607          void *handle = dlopen("", RTLD_NOW);
  2608          const char *loaderror = (char *) dlerror();
  2609         ],[
  2610         have_dlopen=yes
  2611         ])
  2612         AC_MSG_RESULT($have_dlopen)
  2613 
  2614         if test x$have_dlopen = xyes; then
  2615             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
  2616                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
  2617                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
  2618             AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ])
  2619             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
  2620             have_loadso=yes
  2621         fi
  2622     fi
  2623 }
  2624 
  2625 dnl Check for the usbhid(3) library on *BSD
  2626 CheckUSBHID()
  2627 {
  2628     case "$host" in
  2629         *-*-*bsd*)
  2630             if test x$enable_joystick = xyes; then
  2631                 AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
  2632                 if test x$have_libusbhid = xyes; then
  2633                     AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
  2634                     AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
  2635                     USB_LIBS="$USB_LIBS -lusbhid"
  2636                 else
  2637                     AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
  2638                     AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
  2639                     AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
  2640                 fi
  2641                     
  2642                 save_CFLAGS="$CFLAGS"
  2643                 CFLAGS="$CFLAGS $USB_CFLAGS"
  2644 
  2645                 AC_MSG_CHECKING(for usbhid)
  2646                 have_usbhid=no
  2647                 AC_TRY_COMPILE([
  2648                   #include <sys/types.h>
  2649                   #if defined(HAVE_USB_H)
  2650                   #include <usb.h>
  2651                   #endif
  2652                   #ifdef __DragonFly__
  2653                   # include <bus/usb/usb.h>
  2654                   # include <bus/usb/usbhid.h>
  2655                   #else
  2656                   # include <dev/usb/usb.h>
  2657                   # include <dev/usb/usbhid.h>
  2658                   #endif
  2659                   #if defined(HAVE_USBHID_H)
  2660                   #include <usbhid.h>
  2661                   #elif defined(HAVE_LIBUSB_H)
  2662                   #include <libusb.h>
  2663                   #elif defined(HAVE_LIBUSBHID_H)
  2664                   #include <libusbhid.h>
  2665                   #endif
  2666                 ],[
  2667                   struct report_desc *repdesc;
  2668                   struct usb_ctl_report *repbuf;
  2669                   hid_kind_t hidkind;
  2670                 ],[
  2671                 have_usbhid=yes
  2672                 ])
  2673                 AC_MSG_RESULT($have_usbhid)
  2674 
  2675                 if test x$have_usbhid = xyes; then
  2676                     AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
  2677                     have_usbhid_ucr_data=no
  2678                     AC_TRY_COMPILE([
  2679                       #include <sys/types.h>
  2680                       #if defined(HAVE_USB_H)
  2681                       #include <usb.h>
  2682                       #endif
  2683                       #ifdef __DragonFly__
  2684                       # include <bus/usb/usb.h>
  2685                       # include <bus/usb/usbhid.h>
  2686                       #else
  2687                       # include <dev/usb/usb.h>
  2688                       # include <dev/usb/usbhid.h>
  2689                       #endif
  2690                       #if defined(HAVE_USBHID_H)
  2691                       #include <usbhid.h>
  2692                       #elif defined(HAVE_LIBUSB_H)
  2693                       #include <libusb.h>
  2694                       #elif defined(HAVE_LIBUSBHID_H)
  2695                       #include <libusbhid.h>
  2696                       #endif
  2697                     ],[
  2698                       struct usb_ctl_report buf;
  2699                       if (buf.ucr_data) { }
  2700                     ],[
  2701                     have_usbhid_ucr_data=yes
  2702                     ])
  2703                     if test x$have_usbhid_ucr_data = xyes; then
  2704                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
  2705                     fi
  2706                     AC_MSG_RESULT($have_usbhid_ucr_data)
  2707                     
  2708                     AC_MSG_CHECKING(for new usbhid API)
  2709                     have_usbhid_new=no
  2710                     AC_TRY_COMPILE([
  2711                       #include <sys/types.h>
  2712                       #if defined(HAVE_USB_H)
  2713                       #include <usb.h>
  2714                       #endif
  2715                       #ifdef __DragonFly__
  2716                       #include <bus/usb/usb.h>
  2717                       #include <bus/usb/usbhid.h>
  2718                       #else
  2719                       #include <dev/usb/usb.h>
  2720                       #include <dev/usb/usbhid.h>
  2721                       #endif
  2722                       #if defined(HAVE_USBHID_H)
  2723                       #include <usbhid.h>
  2724                       #elif defined(HAVE_LIBUSB_H)
  2725                       #include <libusb.h>
  2726                       #elif defined(HAVE_LIBUSBHID_H)
  2727                       #include <libusbhid.h>
  2728                       #endif
  2729                     ],[
  2730                       report_desc_t d;
  2731                       hid_start_parse(d, 1, 1);
  2732                     ],[
  2733                     have_usbhid_new=yes
  2734                     ])
  2735                     if test x$have_usbhid_new = xyes; then
  2736                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
  2737                     fi
  2738                     AC_MSG_RESULT($have_usbhid_new)
  2739 
  2740                     AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
  2741                     have_machine_joystick=no
  2742                     AC_TRY_COMPILE([
  2743                       #include <machine/joystick.h>
  2744                     ],[
  2745                       struct joystick t;
  2746                     ],[
  2747                     have_machine_joystick=yes
  2748                     ])
  2749                     if test x$have_machine_joystick = xyes; then
  2750                         AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H, 1, [ ])
  2751                     fi
  2752                     AC_MSG_RESULT($have_machine_joystick)
  2753 
  2754                     AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ])
  2755                     SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
  2756                     EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
  2757                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
  2758                     have_joystick=yes
  2759                 fi
  2760                 CFLAGS="$save_CFLAGS"
  2761             fi
  2762         ;;
  2763     esac
  2764 }
  2765 
  2766 dnl Check for clock_gettime()
  2767 CheckClockGettime()
  2768 {
  2769     AC_ARG_ENABLE(clock_gettime,
  2770 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),
  2771                   , enable_clock_gettime=yes)
  2772     if test x$enable_clock_gettime = xyes; then
  2773         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
  2774         if test x$have_clock_gettime = xyes; then
  2775             AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2776             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
  2777         else
  2778             AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes)
  2779             if test x$have_clock_gettime = xyes; then
  2780                AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2781                EXTRA_LDFLAGS="$EXTRA_LDFLAGS"
  2782             fi
  2783         fi
  2784     fi
  2785 }
  2786 
  2787 dnl Check for a valid linux/version.h
  2788 CheckLinuxVersion()
  2789 {
  2790     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
  2791     if test x$have_linux_version_h = xyes; then
  2792         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
  2793     fi
  2794 }
  2795 
  2796 dnl Check if we want to use RPATH
  2797 CheckRPATH()
  2798 {
  2799     AC_ARG_ENABLE(rpath,
  2800 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
  2801                   , enable_rpath=yes)
  2802 }
  2803 
  2804 dnl Set up the configuration based on the host platform!
  2805 case "$host" in
  2806     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*)
  2807         case "$host" in
  2808             *-raspberry-linux*)
  2809                 # Raspberry Pi
  2810                 ARCH=linux
  2811                 RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
  2812                 CFLAGS="$CFLAGS $RPI_CFLAGS"
  2813                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
  2814                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
  2815                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L/opt/vc/lib -lbcm_host -ldl"
  2816 
  2817                 if test x$enable_video = xyes; then
  2818                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
  2819                     # FIXME: confdefs? Not AC_DEFINE?
  2820                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
  2821                     SUMMARY_video="${SUMMARY_video} rpi"
  2822                 fi
  2823                 ;;
  2824             *-*-androideabi*)
  2825                 # Android
  2826                 ARCH=android
  2827                 ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"
  2828                 CFLAGS="$CFLAGS $ANDROID_CFLAGS"
  2829                 SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS"
  2830                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS"
  2831                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid"
  2832 
  2833                 if test x$enable_video = xyes; then
  2834                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
  2835                     # FIXME: confdefs? Not AC_DEFINE?
  2836                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
  2837                     SUMMARY_video="${SUMMARY_video} android"
  2838                 fi
  2839                 ;;
  2840             *-*-linux*)         ARCH=linux ;;
  2841             *-*-uclinux*)       ARCH=linux ;;
  2842             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
  2843             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
  2844             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
  2845             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
  2846             *-*-bsdi*)          ARCH=bsdi ;;
  2847             *-*-freebsd*)       ARCH=freebsd ;;
  2848             *-*-dragonfly*)     ARCH=freebsd ;;
  2849             *-*-netbsd*)        ARCH=netbsd ;;
  2850             *-*-openbsd*)       ARCH=openbsd ;;
  2851             *-*-sysv5*)         ARCH=sysv5 ;;
  2852             *-*-solaris*)       ARCH=solaris ;;
  2853             *-*-hpux*)          ARCH=hpux ;;
  2854             *-*-aix*)           ARCH=aix ;;
  2855             *-*-minix*)         ARCH=minix ;;
  2856         esac
  2857         CheckVisibilityHidden
  2858         CheckDummyVideo
  2859         CheckDiskAudio
  2860         CheckDummyAudio
  2861         CheckDLOPEN
  2862         CheckOSS
  2863         CheckALSA
  2864         CheckPulseAudio
  2865         CheckARTSC
  2866         CheckESD
  2867         CheckNAS
  2868         CheckSNDIO
  2869         CheckX11
  2870         CheckDirectFB
  2871         CheckFusionSound
  2872         CheckOpenGLX11
  2873         CheckOpenGLESX11
  2874         CheckMir
  2875         CheckWayland
  2876         CheckLibUDev
  2877         CheckDBus
  2878         CheckIBus
  2879         case $ARCH in
  2880           linux)
  2881               CheckInputEvents
  2882               CheckInputKD
  2883           ;;
  2884         esac
  2885         CheckTslib
  2886         CheckUSBHID
  2887         CheckPTHREAD
  2888         CheckClockGettime
  2889         CheckLinuxVersion
  2890         CheckRPATH
  2891         CheckVivanteVideo
  2892         # Set up files for the audio library
  2893         if test x$enable_audio = xyes; then
  2894           case $ARCH in
  2895             sysv5|solaris|hpux)
  2896                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ])
  2897                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  2898                 have_audio=yes
  2899             ;;
  2900             netbsd)  # Don't use this on OpenBSD, it's busted.
  2901                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD, 1, [ ])
  2902                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
  2903                 have_audio=yes
  2904             ;;
  2905             aix)
  2906                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ])
  2907                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
  2908                 have_audio=yes
  2909             ;;
  2910             android)
  2911                 AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ])
  2912                 SOURCES="$SOURCES $srcdir/src/audio/android/*.c"
  2913                 SUMMARY_audio="${SUMMARY_audio} android"
  2914                 have_audio=yes
  2915             ;;
  2916           esac
  2917         fi
  2918         # Set up files for the joystick library
  2919         if test x$enable_joystick = xyes; then
  2920           case $ARCH in
  2921             linux)
  2922                 AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ])
  2923                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
  2924                 have_joystick=yes
  2925             ;;
  2926             android)
  2927                 AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ])
  2928                 SOURCES="$SOURCES $srcdir/src/joystick/android/*.c"
  2929                 have_joystick=yes
  2930             ;;
  2931           esac
  2932         fi
  2933         # Set up files for the haptic library
  2934         if test x$enable_haptic = xyes; then
  2935            if test x$use_input_events = xyes; then
  2936              case $ARCH in
  2937                linux)
  2938                    AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ])
  2939                    SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"
  2940                    have_haptic=yes
  2941                ;;
  2942              esac
  2943            fi
  2944         fi
  2945         # Set up files for the power library
  2946         if test x$enable_power = xyes; then
  2947              case $ARCH in
  2948                linux)
  2949                    AC_DEFINE(SDL_POWER_LINUX, 1, [ ])
  2950                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"
  2951                    have_power=yes
  2952                ;;
  2953                android)
  2954                    AC_DEFINE(SDL_POWER_ANDROID, 1, [ ])
  2955                    SOURCES="$SOURCES $srcdir/src/power/android/*.c"
  2956                    have_power=yes
  2957                ;;
  2958              esac
  2959         fi
  2960         # Set up files for the filesystem library
  2961         if test x$enable_filesystem = xyes; then
  2962              case $ARCH in
  2963                android)
  2964                    AC_DEFINE(SDL_FILESYSTEM_ANDROID, 1, [ ])
  2965                    SOURCES="$SOURCES $srcdir/src/filesystem/android/*.c"
  2966                    have_filesystem=yes
  2967                ;;
  2968                *)
  2969                    AC_DEFINE(SDL_FILESYSTEM_UNIX, 1, [ ])
  2970                    SOURCES="$SOURCES $srcdir/src/filesystem/unix/*.c"
  2971                    have_filesystem=yes
  2972                ;;
  2973              esac
  2974         fi
  2975         # Set up files for the timer library
  2976         if test x$enable_timers = xyes; then
  2977             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  2978             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2979             have_timers=yes
  2980         fi
  2981         # Set up files for udev hotplugging support
  2982         if test x$enable_libudev = xyes && test x$have_libudev_h_hdr = xyes; then
  2983             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_udev.c"               
  2984         fi
  2985         # Set up files for evdev input
  2986         if test x$use_input_events = xyes; then
  2987             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev.c"
  2988         fi       
  2989         ;;
  2990     *-*-cygwin* | *-*-mingw32*)
  2991         ARCH=win32
  2992         if test "$build" != "$host"; then # cross-compiling
  2993             # Default cross-compile location
  2994             ac_default_prefix=/usr/local/cross-tools/$host
  2995         else
  2996             # Look for the location of the tools and install there
  2997             if test "$BUILD_PREFIX" != ""; then
  2998                 ac_default_prefix=$BUILD_PREFIX
  2999             fi
  3000         fi
  3001         CheckDummyVideo
  3002         CheckDiskAudio
  3003         CheckDummyAudio
  3004         CheckWINDOWS
  3005         CheckWINDOWSGL
  3006         CheckWINDOWSGLES
  3007         CheckDIRECTX
  3008 
  3009         # Set up the core platform files
  3010         SOURCES="$SOURCES $srcdir/src/core/windows/*.c"
  3011 
  3012         # Set up files for the video library
  3013         if test x$enable_video = xyes; then
  3014             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])
  3015             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
  3016             have_video=yes
  3017             AC_ARG_ENABLE(render-d3d,
  3018 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
  3019                                 , enable_render_d3d=yes)
  3020             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
  3021                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])
  3022             fi
  3023             if test x$enable_render_d3d = xyes -a x$have_d3d11 = xyes; then
  3024                 AC_DEFINE(SDL_VIDEO_RENDER_D3D11, 1, [ ])
  3025             fi
  3026         fi
  3027         # Set up files for the audio library
  3028         if test x$enable_audio = xyes; then
  3029             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])
  3030             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"
  3031             if test x$have_dsound = xyes; then
  3032                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])
  3033                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"
  3034             fi
  3035             if test x$have_xaudio2 = xyes; then
  3036                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
  3037                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
  3038             fi
  3039             have_audio=yes
  3040         fi
  3041         # Set up files for the joystick library
  3042         if test x$enable_joystick = xyes; then
  3043             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
  3044                 if test x$have_xinput = xyes; then
  3045                     AC_DEFINE(SDL_JOYSTICK_XINPUT, 1, [ ])
  3046                 fi
  3047                 if test x$have_dinput = xyes; then
  3048                     AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ])
  3049                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8"
  3050                 fi
  3051             else
  3052                 AC_DEFINE(SDL_JOYSTICK_WINMM, 1, [ ])
  3053             fi
  3054             SOURCES="$SOURCES $srcdir/src/joystick/windows/*.c"
  3055             have_joystick=yes
  3056         fi
  3057         if test x$enable_haptic = xyes; then
  3058             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
  3059                 if test x$have_xinput = xyes; then
  3060                     AC_DEFINE(SDL_HAPTIC_XINPUT, 1, [ ])
  3061                 fi
  3062                 if test x$have_dinput = xyes; then
  3063                     AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ])
  3064                 fi
  3065                 SOURCES="$SOURCES $srcdir/src/haptic/windows/*.c"
  3066                 have_haptic=yes
  3067             fi
  3068         fi
  3069         if test x$enable_power = xyes; then
  3070             AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ])
  3071             SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c"
  3072             have_power=yes
  3073         fi
  3074         if test x$enable_filesystem = xyes; then
  3075             AC_DEFINE(SDL_FILESYSTEM_WINDOWS, 1, [ ])
  3076             SOURCES="$SOURCES $srcdir/src/filesystem/windows/SDL_sysfilesystem.c"
  3077             have_filesystem=yes
  3078         fi
  3079         # Set up files for the thread library
  3080         if test x$enable_threads = xyes; then
  3081             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])
  3082             SOURCES="$SOURCES $srcdir/src/thread/windows/*.c"
  3083             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  3084             have_threads=yes
  3085         fi
  3086         # Set up files for the timer library
  3087         if test x$enable_timers = xyes; then
  3088             AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ])
  3089             SOURCES="$SOURCES $srcdir/src/timer/windows/*.c"
  3090             have_timers=yes
  3091         fi
  3092         # Set up files for the shared object loading library
  3093         if test x$enable_loadso = xyes; then
  3094             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])
  3095             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"
  3096             have_loadso=yes
  3097         fi
  3098         # Set up the system libraries we need
  3099         if test -f /lib/w32api/libuuid.a; then
  3100             LIBUUID=/lib/w32api/libuuid.a
  3101         else
  3102             LIBUUID=-luuid
  3103         fi
  3104         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion $LIBUUID -static-libgcc"
  3105         # The Windows platform requires special setup
  3106         VERSION_SOURCES="$srcdir/src/main/windows/*.rc"
  3107         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
  3108         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
  3109         SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows"
  3110 
  3111         # Check to see if this is a mingw or cygwin build
  3112         have_mingw32=
  3113         AC_CHECK_LIB(mingw32, main, [have_mingw32=yes])
  3114         if test x$have_mingw32 = xyes; then
  3115             SDL_LIBS="-lmingw32 $SDL_LIBS"
  3116         else
  3117             SDL_LIBS="-lcygwin $SDL_LIBS"
  3118         fi
  3119         ;;
  3120 
  3121     dnl BeOS support removed after SDL 2.0.1. Haiku still works.  --ryan.
  3122     *-*-beos*)
  3123         AC_MSG_ERROR([
  3124 *** BeOS support has been removed as of SDL 2.0.2.
  3125         ])
  3126         ;;
  3127 
  3128     *-*-haiku*)
  3129         ARCH=haiku
  3130         ac_default_prefix=/boot/system
  3131         CheckDummyVideo
  3132         CheckDiskAudio
  3133         CheckDummyAudio
  3134         CheckHaikuVideo
  3135         CheckHaikuGL
  3136         CheckPTHREAD
  3137 
  3138         # Set up files for the audio library
  3139         if test x$enable_audio = xyes; then
  3140             AC_DEFINE(SDL_AUDIO_DRIVER_HAIKU, 1, [ ])
  3141             SOURCES="$SOURCES $srcdir/src/audio/haiku/*.cc"
  3142             have_audio=yes
  3143         fi
  3144         # Set up files for the joystick library
  3145         if test x$enable_joystick = xyes; then
  3146             AC_DEFINE(SDL_JOYSTICK_HAIKU, 1, [ ])
  3147             SOURCES="$SOURCES $srcdir/src/joystick/haiku/*.cc"
  3148             have_joystick=yes
  3149         fi
  3150         # Set up files for the timer library
  3151         if test x$enable_timers = xyes; then
  3152             AC_DEFINE(SDL_TIMER_HAIKU, 1, [ ])
  3153             SOURCES="$SOURCES $srcdir/src/timer/haiku/*.c"
  3154             have_timers=yes
  3155         fi
  3156         # Set up files for the shared object loading library
  3157         if test x$enable_loadso = xyes; then
  3158             AC_DEFINE(SDL_LOADSO_HAIKU, 1, [ ])
  3159             SOURCES="$SOURCES $srcdir/src/loadso/haiku/*.c"
  3160             have_loadso=yes
  3161         fi
  3162         # Set up files for the system power library
  3163         if test x$enable_power = xyes; then
  3164             AC_DEFINE(SDL_POWER_HAIKU, 1, [ ])
  3165             SOURCES="$SOURCES $srcdir/src/power/haiku/*.c"
  3166             have_power=yes
  3167         fi
  3168         # Set up files for the system filesystem library
  3169         if test x$enable_filesystem = xyes; then
  3170             AC_DEFINE(SDL_FILESYSTEM_HAIKU, 1, [ ])
  3171             SOURCES="$SOURCES $srcdir/src/filesystem/haiku/*.cc"
  3172             have_filesystem=yes
  3173         fi
  3174         # The Haiku platform requires special setup.
  3175         SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES"
  3176         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
  3177         ;;
  3178     arm*-apple-darwin*)
  3179         # iOS - We are not writing anything to confdefs.h because you have to replace
  3180         # SDL_config.h for SDL_config_iphoneos.h anyway
  3181         ARCH=ios
  3182 
  3183         CheckVisibilityHidden
  3184         CheckDummyVideo
  3185         CheckDiskAudio
  3186         CheckDummyAudio
  3187         CheckDLOPEN
  3188         CheckCOCOA
  3189         CheckPTHREAD
  3190 
  3191 
  3192         # Set up files for the audio library
  3193         if test x$enable_audio = xyes; then
  3194             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  3195             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3196             have_audio=yes
  3197         fi
  3198         # Set up files for the joystick library
  3199         if test x$enable_joystick = xyes; then
  3200             SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m"
  3201             have_joystick=yes
  3202         fi
  3203         # Set up files for the haptic library
  3204         #if test x$enable_haptic = xyes; then
  3205         #    SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3206         #    have_haptic=yes
  3207         #    EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3208         #fi
  3209         # Set up files for the power library
  3210         if test x$enable_power = xyes; then
  3211             SOURCES="$SOURCES $srcdir/src/power/uikit/*.m"
  3212             have_power=yes
  3213         fi
  3214         # Set up files for the filesystem library
  3215         if test x$enable_filesystem = xyes; then
  3216             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3217             have_filesystem=yes
  3218         fi
  3219         # Set up files for the timer library
  3220         if test x$enable_timers = xyes; then
  3221             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3222             have_timers=yes
  3223         fi
  3224         # Set up additional files for the file library
  3225         if test x$enable_file = xyes; then
  3226             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3227         fi
  3228         # The iOS platform requires special setup.
  3229         SOURCES="$SOURCES $srcdir/src/video/uikit/*.m"
  3230         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3231         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -liconv -lobjc"
  3232         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Foundation"
  3233         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"
  3234         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGLES"
  3235         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"
  3236         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio"
  3237         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox"
  3238         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreGraphics"
  3239         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreMotion"
  3240         ;;
  3241     *-*-darwin* )
  3242         # This could be either full "Mac OS X", or plain "Darwin" which is
  3243         # just the OS X kernel sans upper layers like Carbon and Cocoa.
  3244         # Next line is broken, and a few files below require Mac OS X (full)
  3245         ARCH=macosx
  3246 
  3247         # Mac OS X builds with both the Carbon and OSX APIs at the moment
  3248         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
  3249         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
  3250 
  3251         CheckVisibilityHidden
  3252         CheckDummyVideo
  3253         CheckDiskAudio
  3254         CheckDummyAudio
  3255         CheckDLOPEN
  3256         CheckCOCOA
  3257         CheckX11
  3258         CheckMacGL
  3259         CheckOpenGLX11
  3260         CheckPTHREAD
  3261 
  3262         # Set up files for the audio library
  3263         if test x$enable_audio = xyes; then
  3264             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
  3265             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  3266             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3267             have_audio=yes
  3268         fi
  3269         # Set up files for the joystick library
  3270         if test x$enable_joystick = xyes; then
  3271             AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ])
  3272             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
  3273             have_joystick=yes
  3274         fi
  3275         # Set up files for the haptic library
  3276         if test x$enable_haptic = xyes; then
  3277             AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ])
  3278             SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3279             have_haptic=yes
  3280             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3281         fi
  3282         # Set up files for the power library
  3283         if test x$enable_power = xyes; then
  3284             AC_DEFINE(SDL_POWER_MACOSX, 1, [ ])
  3285             SOURCES="$SOURCES $srcdir/src/power/macosx/*.c"
  3286             have_power=yes
  3287         fi
  3288         # Set up files for the filesystem library
  3289         if test x$enable_filesystem = xyes; then
  3290             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])
  3291             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3292             have_filesystem=yes
  3293         fi
  3294         # Set up files for the timer library
  3295         if test x$enable_timers = xyes; then
  3296             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3297             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3298             have_timers=yes
  3299         fi
  3300         # Set up additional files for the file library
  3301         if test x$enable_file = xyes; then
  3302             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3303         fi
  3304         # The Mac OS X platform requires special setup.
  3305         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3306         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc"
  3307         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreVideo"
  3308         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
  3309         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
  3310         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
  3311         # If audio is used, add the AudioUnit framework
  3312         if test x$enable_audio = xyes; then
  3313             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit"
  3314         fi
  3315         ;;
  3316     *-nacl|*-pnacl)
  3317         ARCH=nacl
  3318         CheckNativeClient
  3319         CheckDummyAudio
  3320         CheckDummyVideo
  3321         CheckInputEvents
  3322         CheckPTHREAD
  3323         
  3324         # Set up files for the timer library
  3325         if test x$enable_timers = xyes; then
  3326             AC_DEFINE(SDL_TIMER_UNIX)
  3327             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3328             have_timers=yes
  3329         fi
  3330         
  3331         if test x$enable_filesystem = xyes; then
  3332             AC_DEFINE(SDL_FILESYSTEM_NACL, 1, [ ])
  3333             SOURCES="$SOURCES $srcdir/src/filesystem/nacl/*.c"
  3334             have_filesystem=yes
  3335         fi
  3336         ;;
  3337     *-*-emscripten* )
  3338         if test x$enable_video = xyes; then
  3339             AC_DEFINE(SDL_VIDEO_DRIVER_EMSCRIPTEN, 1, [ ])
  3340             SOURCES="$SOURCES $srcdir/src/video/emscripten/*.c"
  3341             have_video=yes
  3342             SUMMARY_video="${SUMMARY_video} emscripten"
  3343         fi
  3344 
  3345         if test x$enable_audio = xyes; then
  3346             AC_DEFINE(SDL_AUDIO_DRIVER_EMSCRIPTEN, 1, [ ])
  3347             SOURCES="$SOURCES $srcdir/src/audio/emscripten/*.c"
  3348             have_audio=yes
  3349             SUMMARY_audio="${SUMMARY_audio} emscripten"
  3350         fi
  3351 
  3352         CheckVisibilityHidden
  3353         CheckDummyVideo
  3354         CheckDiskAudio
  3355         CheckDummyAudio
  3356         CheckDLOPEN
  3357         CheckClockGettime
  3358         CheckEmscriptenGLES
  3359 
  3360          # Set up files for the power library
  3361         if test x$enable_power = xyes; then
  3362             AC_DEFINE(SDL_POWER_EMSCRIPTEN, 1, [ ])
  3363             SOURCES="$SOURCES $srcdir/src/power/emscripten/*.c"
  3364             have_power=yes
  3365         fi
  3366         
  3367         # Set up files for the power library
  3368         if test x$enable_joystick = xyes; then
  3369             AC_DEFINE(SDL_JOYSTICK_EMSCRIPTEN, 1, [ ])
  3370             SOURCES="$SOURCES $srcdir/src/joystick/emscripten/*.c"
  3371             have_joystick=yes
  3372         fi
  3373 
  3374         # Set up files for the filesystem library
  3375         if test x$enable_filesystem = xyes; then
  3376             AC_DEFINE(SDL_FILESYSTEM_EMSCRIPTEN, 1, [ ])
  3377             SOURCES="$SOURCES $srcdir/src/filesystem/emscripten/*.c"
  3378             have_filesystem=yes
  3379         fi
  3380         # Set up files for the timer library
  3381         if test x$enable_timers = xyes; then
  3382             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3383             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3384             have_timers=yes
  3385         fi
  3386         ;;
  3387     *)
  3388         AC_MSG_ERROR([
  3389 *** Unsupported host:  Please add to configure.in
  3390         ])
  3391         ;;
  3392 esac
  3393 
  3394 dnl Do this on all platforms, after everything else.
  3395 CheckWarnAll
  3396 
  3397 # Verify that we have all the platform specific files we need
  3398 
  3399 if test x$have_joystick != xyes; then
  3400     if test x$enable_joystick = xyes; then
  3401         AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
  3402     fi
  3403     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
  3404 fi
  3405 if test x$have_haptic != xyes; then
  3406     if test x$enable_haptic = xyes; then
  3407         AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
  3408     fi
  3409     SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c"
  3410 fi
  3411 if test x$have_threads != xyes; then
  3412     if test x$enable_threads = xyes; then
  3413         AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
  3414     fi
  3415     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
  3416 fi
  3417 if test x$have_timers != xyes; then
  3418     if test x$enable_timers = xyes; then
  3419         AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
  3420     fi
  3421     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
  3422 fi
  3423 if test x$have_filesystem != xyes; then
  3424     if test x$enable_filesystem = xyes; then
  3425         AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
  3426     fi
  3427     SOURCES="$SOURCES $srcdir/src/filesystem/dummy/*.c"
  3428 fi
  3429 if test x$have_loadso != xyes; then
  3430     if test x$enable_loadso = xyes; then
  3431         AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
  3432     fi
  3433     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
  3434 fi
  3435 if test x$SDLMAIN_SOURCES = x; then
  3436     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
  3437 fi
  3438 SDLTEST_SOURCES="$srcdir/src/test/*.c"
  3439 
  3440 OBJECTS=`echo $SOURCES`
  3441 DEPENDS=`echo $SOURCES | tr ' ' '\n'`
  3442 for EXT in asm cc m c S; do
  3443     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`
  3444     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\
  3445 \\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
  3446 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3447 done
  3448 
  3449 VERSION_OBJECTS=`echo $VERSION_SOURCES`
  3450 VERSION_DEPENDS=`echo $VERSION_SOURCES`
  3451 VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
  3452 VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\
  3453 \\$(objects)/\\2.o: \\1/\\2.rc\\\\
  3454 	\\$(WINDRES) \\$< \\$@,g"`
  3455 
  3456 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
  3457 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
  3458 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3459 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3460 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3461 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3462 
  3463 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`
  3464 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`
  3465 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3466 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3467 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3468 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3469 
  3470 # Set runtime shared library paths as needed
  3471 
  3472 if test "x$enable_rpath" = "xyes"; then
  3473   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
  3474     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
  3475   fi
  3476   if test $ARCH = solaris; then
  3477     SDL_RLD_FLAGS="-R\${libdir}"
  3478   fi
  3479 else
  3480   SDL_RLD_FLAGS=""
  3481 fi
  3482 
  3483 SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
  3484 
  3485 dnl Expand the cflags and libraries needed by apps using SDL
  3486 AC_SUBST(SDL_CFLAGS)
  3487 AC_SUBST(SDL_LIBS)
  3488 AC_SUBST(SDL_STATIC_LIBS)
  3489 AC_SUBST(SDL_RLD_FLAGS)
  3490 if test x$enable_shared = xyes; then
  3491     ENABLE_SHARED_TRUE=
  3492     ENABLE_SHARED_FALSE="#"
  3493 else
  3494     ENABLE_SHARED_TRUE="#"
  3495     ENABLE_SHARED_FALSE=
  3496 fi
  3497 if test x$enable_static = xyes; then
  3498     ENABLE_STATIC_TRUE=
  3499     ENABLE_STATIC_FALSE="#"
  3500 else
  3501     ENABLE_STATIC_TRUE="#"
  3502     ENABLE_STATIC_FALSE=
  3503 fi
  3504 AC_SUBST(ENABLE_SHARED_TRUE)
  3505 AC_SUBST(ENABLE_SHARED_FALSE)
  3506 AC_SUBST(ENABLE_STATIC_TRUE)
  3507 AC_SUBST(ENABLE_STATIC_FALSE)
  3508 
  3509 dnl Expand the sources and objects needed to build the library
  3510 AC_SUBST(ac_aux_dir)
  3511 AC_SUBST(INCLUDE)
  3512 AC_SUBST(OBJECTS)
  3513 AC_SUBST(VERSION_OBJECTS)
  3514 AC_SUBST(SDLMAIN_OBJECTS)
  3515 AC_SUBST(SDLTEST_OBJECTS)
  3516 AC_SUBST(BUILD_CFLAGS)
  3517 AC_SUBST(EXTRA_CFLAGS)
  3518 AC_SUBST(BUILD_LDFLAGS)
  3519 AC_SUBST(EXTRA_LDFLAGS)
  3520 AC_SUBST(WINDRES)
  3521 
  3522 cat >Makefile.rules <<__EOF__
  3523 
  3524 # Build rules for objects
  3525 -include \$(OBJECTS:.lo=.d)
  3526 
  3527 # Special dependency for SDL.c, since it depends on SDL_revision.h
  3528 $srcdir/src/SDL.c: update-revision
  3529 $DEPENDS
  3530 $VERSION_DEPENDS
  3531 $SDLMAIN_DEPENDS
  3532 $SDLTEST_DEPENDS
  3533 __EOF__
  3534 
  3535 AC_CONFIG_FILES([
  3536     Makefile:Makefile.in:Makefile.rules sdl2-config sdl2-config.cmake SDL2.spec sdl2.pc
  3537 ])
  3538 AC_CONFIG_COMMANDS([sdl2_config],[chmod a+x sdl2-config])
  3539 
  3540 SUMMARY="SDL2 Configure Summary:\n"
  3541 if test x$enable_shared = xyes; then
  3542     SUMMARY="${SUMMARY}Building Shared Libraries\n"
  3543 fi
  3544 if test x$enable_static = xyes; then
  3545     SUMMARY="${SUMMARY}Building Static Libraries\n"
  3546 fi
  3547 SUMMARY="${SUMMARY}Enabled modules :${SUMMARY_modules}\n"
  3548 SUMMARY="${SUMMARY}Assembly Math   :${SUMMARY_math}\n" 
  3549 SUMMARY="${SUMMARY}Audio drivers   :${SUMMARY_audio}\n"
  3550 SUMMARY="${SUMMARY}Video drivers   :${SUMMARY_video}\n"
  3551 if test x$have_x = xyes; then
  3552     SUMMARY="${SUMMARY}X11 libraries   :${SUMMARY_video_x11}\n"
  3553 fi
  3554 SUMMARY="${SUMMARY}Input drivers   :${SUMMARY_input}\n"
  3555 if test x$enable_libudev = xyes; then
  3556     SUMMARY="${SUMMARY}Using libudev   : YES\n"
  3557 else
  3558     SUMMARY="${SUMMARY}Using libudev   : NO\n"
  3559 fi
  3560 if test x$have_dbus_dbus_h_hdr = xyes; then
  3561     SUMMARY="${SUMMARY}Using dbus      : YES\n"
  3562 else
  3563     SUMMARY="${SUMMARY}Using dbus      : NO\n"
  3564 fi
  3565 if test x$have_ibus_ibus_h_hdr = xyes; then
  3566     SUMMARY="${SUMMARY}Using ibus      : YES\n"
  3567 else
  3568     SUMMARY="${SUMMARY}Using ibus      : NO\n"
  3569 fi
  3570 AC_CONFIG_COMMANDS([summary], [echo -en "$SUMMARY"], [SUMMARY="$SUMMARY"])
  3571 
  3572 AC_OUTPUT