configure.in
author Ryan C. Gordon <icculus@icculus.org>
Tue, 12 Apr 2016 18:40:44 -0400
changeset 10149 0188c3322435
parent 10089 25fda20d0173
child 10303 b326f93e1bc5
permissions -rw-r--r--
Patched to compile on Haiku...?
     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="$EXTRA_CFLAGS -mpreferred-stack-boundary=2"
  1124     fi
  1125 }
  1126 
  1127 dnl See if GCC's -Wdeclaration-after-statement is supported.
  1128 dnl  This lets us catch things that would fail on a C89 compiler when using
  1129 dnl  a modern GCC.
  1130 CheckDeclarationAfterStatement()
  1131 {
  1132     AC_MSG_CHECKING(for GCC -Wdeclaration-after-statement option)
  1133     have_gcc_declaration_after_statement=no
  1134 
  1135     save_CFLAGS="$CFLAGS"
  1136     CFLAGS="$save_CFLAGS -Wdeclaration-after-statement -Werror=declaration-after-statement"
  1137     AC_TRY_COMPILE([
  1138     int x = 0;
  1139     ],[
  1140     ],[
  1141     have_gcc_declaration_after_statement=yes
  1142     ])
  1143     AC_MSG_RESULT($have_gcc_declaration_after_statement)
  1144     CFLAGS="$save_CFLAGS"
  1145 
  1146     if test x$have_gcc_declaration_after_statement = xyes; then
  1147         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wdeclaration-after-statement -Werror=declaration-after-statement"
  1148     fi
  1149 }
  1150 
  1151 dnl See if GCC's -Wall is supported.
  1152 CheckWarnAll()
  1153 {
  1154     AC_MSG_CHECKING(for GCC -Wall option)
  1155     have_gcc_Wall=no
  1156 
  1157     save_CFLAGS="$CFLAGS"
  1158     CFLAGS="$save_CFLAGS -Wall"
  1159     AC_TRY_COMPILE([
  1160     int x = 0;
  1161     ],[
  1162     ],[
  1163     have_gcc_Wall=yes
  1164     ])
  1165     AC_MSG_RESULT($have_gcc_Wall)
  1166     CFLAGS="$save_CFLAGS"
  1167 
  1168     if test x$have_gcc_Wall = xyes; then
  1169         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
  1170 
  1171         dnl Haiku headers use multicharacter constants all over the place. Ignore these warnings when using -Wall.
  1172         AC_MSG_CHECKING(for necessary GCC -Wno-multichar option)
  1173         need_gcc_Wno_multichar=no
  1174         case "$host" in
  1175             *-*-haiku*)
  1176                 need_gcc_Wno_multichar=yes
  1177                 ;;
  1178         esac
  1179         AC_MSG_RESULT($need_gcc_Wno_multichar)
  1180         if test x$need_gcc_Wno_multichar = xyes; then
  1181             EXTRA_CFLAGS="$EXTRA_CFLAGS -Wno-multichar"
  1182         fi
  1183     fi
  1184 }
  1185 
  1186 dnl Check for Wayland
  1187 CheckWayland()
  1188 {
  1189     AC_ARG_ENABLE(video-wayland,
  1190 AC_HELP_STRING([--enable-video-wayland], [use Wayland video driver [[default=yes]]]),
  1191                   ,enable_video_wayland=yes)
  1192 
  1193     AC_ARG_ENABLE(video-wayland-qt-touch,
  1194 AC_HELP_STRING([--enable-video-wayland-qt-touch], [QtWayland server support for Wayland video driver [[default=yes]]]),
  1195                   ,enable_video_wayland_qt_touch=yes)
  1196 
  1197     if test x$enable_video = xyes -a x$enable_video_wayland = xyes; then
  1198         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1199         AC_MSG_CHECKING(for Wayland support)
  1200         video_wayland=no
  1201         if  test x$PKG_CONFIG != xno && \
  1202             test x$video_opengl_egl = xyes && \
  1203             test x$video_opengles_v2 = xyes; then
  1204             if $PKG_CONFIG --exists wayland-client wayland-egl wayland-cursor egl xkbcommon ; then
  1205                 WAYLAND_CFLAGS=`$PKG_CONFIG --cflags wayland-client wayland-egl wayland-cursor xkbcommon`
  1206                 WAYLAND_LIBS=`$PKG_CONFIG --libs wayland-client wayland-egl wayland-cursor xkbcommon`
  1207                 video_wayland=yes
  1208             fi
  1209         fi
  1210         AC_MSG_RESULT($video_wayland)
  1211 
  1212         if test x$video_wayland = xyes; then
  1213             AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND, 1, [ ])
  1214             if test x$enable_video_wayland_qt_touch = xyes; then
  1215                 AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH, 1, [ ])
  1216             fi
  1217             SOURCES="$SOURCES $srcdir/src/video/wayland/*.c"
  1218             EXTRA_CFLAGS="$EXTRA_CFLAGS $WAYLAND_CFLAGS"
  1219             AC_ARG_ENABLE(wayland-shared,
  1220 AC_HELP_STRING([--enable-wayland-shared], [dynamically load Wayland support [[default=maybe]]]),
  1221                           , enable_wayland_shared=maybe)
  1222 
  1223             dnl FIXME: Do BSD and OS X need special cases?
  1224             case "$host" in
  1225                 *)
  1226                     wayland_client_lib=[`find_lib "libwayland-client.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1227                     wayland_egl_lib=[`find_lib "libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1228                     if test x$wayland_egl_lib = x; then
  1229                         dnl This works in Ubuntu 13.10, maybe others
  1230                         wayland_egl_lib=[`find_lib "mesa-egl/libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1231                     fi
  1232                     wayland_cursor_lib=[`find_lib "libwayland-cursor.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1233                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1234                     ;;
  1235             esac
  1236 
  1237             if test x$enable_wayland_shared = xmaybe; then
  1238                 enable_wayland_shared=yes
  1239             fi
  1240             if test x$have_loadso != xyes && \
  1241                test x$enable_wayland_shared = xyes; then
  1242                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Wayland loading])
  1243                 enable_wayland_shared=no
  1244             fi
  1245             if test x$have_loadso = xyes && \
  1246                test x$enable_wayland_shared = xyes && \
  1247                test x$wayland_client_lib != x && \
  1248                test x$wayland_egl_lib != x && \
  1249                test x$wayland_cursor_lib != x && \
  1250                test x$xkbcommon_lib != x; then
  1251                 echo "-- dynamic libwayland-client -> $wayland_client_lib"
  1252                 echo "-- dynamic libwayland-egl -> $wayland_egl_lib"
  1253                 echo "-- dynamic libwayland-cursor -> $wayland_cursor_lib"
  1254                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1255                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC, "$wayland_client_lib", [ ])
  1256                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_EGL, "$wayland_egl_lib", [ ])
  1257                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_CURSOR, "$wayland_cursor_lib", [ ])
  1258                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1259                 SUMMARY_video="${SUMMARY_video} wayland(dynamic)"
  1260             else
  1261                 enable_wayland_shared=no
  1262                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $WAYLAND_LIBS"
  1263                 SUMMARY_video="${SUMMARY_video} wayland"
  1264             fi
  1265             have_video=yes
  1266         fi
  1267     fi
  1268 }
  1269 
  1270 dnl Check for Mir
  1271 CheckMir()
  1272 {
  1273     AC_ARG_ENABLE(video-mir,
  1274 AC_HELP_STRING([--enable-video-mir], [use Mir video driver [[default=yes]]]),
  1275                   ,enable_video_mir=yes)
  1276 
  1277     if test x$enable_video = xyes -a x$enable_video_mir = xyes; then
  1278         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1279         AC_MSG_CHECKING(for Mir support)
  1280         video_mir=no
  1281         if test x$PKG_CONFIG != xno; then
  1282             if $PKG_CONFIG --exists mirclient egl xkbcommon ; then
  1283                 MIR_CFLAGS=`$PKG_CONFIG --cflags mirclient egl xkbcommon`
  1284                 MIR_LIBS=`$PKG_CONFIG --libs mirclient egl xkbcommon`
  1285                 save_CFLAGS="$CFLAGS"
  1286                 CFLAGS="$save_CFLAGS $MIR_CFLAGS"
  1287 
  1288                 dnl This will disable Mir on Ubuntu < 15.04 (Mir should be 0.14 at this point)
  1289                 AC_TRY_COMPILE([
  1290                 #include <mir_toolkit/mir_client_library.h>
  1291                 ],[
  1292                     MirPointerButton button = mir_pointer_button_primary;
  1293                 ],[
  1294                 video_mir=yes
  1295                 ])
  1296                 CFLAGS="$save_CFLAGS"
  1297             fi
  1298         fi
  1299         AC_MSG_RESULT($video_mir)
  1300 
  1301         if test x$video_mir = xyes; then
  1302             AC_DEFINE(SDL_VIDEO_DRIVER_MIR, 1, [ ])
  1303             SOURCES="$SOURCES $srcdir/src/video/mir/*.c"
  1304             EXTRA_CFLAGS="$EXTRA_CFLAGS $MIR_CFLAGS"
  1305             AC_ARG_ENABLE(mir-shared,
  1306 AC_HELP_STRING([--enable-mir-shared], [dynamically load Mir support [[default=maybe]]]),
  1307                           , enable_mir_shared=maybe)
  1308 
  1309             dnl FIXME: Do BSD and OS X need special cases?
  1310             case "$host" in
  1311                 *)
  1312                     mirclient_lib=[`find_lib "libmirclient.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1313                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1314                     ;;
  1315             esac
  1316 
  1317             if test x$enable_mir_shared = xmaybe; then
  1318                 enable_mir_shared=yes
  1319             fi
  1320             if test x$have_loadso != xyes && \
  1321                test x$enable_mir_shared = xyes; then
  1322                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Mir loading])
  1323                 enable_mir_shared=no
  1324             fi
  1325             if test x$have_loadso = xyes && \
  1326                test x$enable_mir_shared = xyes && \
  1327                test x$mirclient_lib != x && \
  1328                test x$xkbcommon_lib != x; then
  1329                 echo "-- dynamic libmirclient -> $mirclient_lib"
  1330                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1331                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC, "$mirclient_lib", [ ])
  1332                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1333                 SUMMARY_video="${SUMMARY_video} mir(dynamic)"
  1334             else
  1335                 enable_mir_shared=no
  1336                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MIR_LIBS"
  1337                 SUMMARY_video="${SUMMARY_video} mir"
  1338             fi
  1339             have_video=yes
  1340         fi
  1341     fi
  1342 }
  1343 
  1344 dnl Check for Native Client stuff
  1345 CheckNativeClient()
  1346 {
  1347         AC_TRY_COMPILE([
  1348           #if !defined(__native_client__)
  1349           #error "NO NACL"
  1350           #endif
  1351         ],[
  1352         ],[
  1353         AC_DEFINE(SDL_VIDEO_DRIVER_NACL)
  1354         AC_DEFINE(SDL_AUDIO_DRIVER_NACL)
  1355         AC_DEFINE(HAVE_POW, 1, [ ])
  1356         AC_DEFINE(HAVE_OPENGLES2, 1, [ ])
  1357         AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  1358         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  1359 
  1360         SDL_LIBS="-lppapi_simple -lppapi_gles2 $SDL_LIBS"
  1361 
  1362         SDLMAIN_SOURCES="$srcdir/src/main/nacl/*.c"
  1363         SOURCES="$SOURCES $srcdir/src/audio/nacl/*.c"
  1364         SUMMARY_audio="${SUMMARY_audio} nacl"
  1365         SOURCES="$SOURCES $srcdir/src/video/nacl/*.c"
  1366         SUMMARY_video="${SUMMARY_video} nacl opengles2"
  1367         ])
  1368 }
  1369 
  1370 
  1371 dnl Find the X11 include and library directories
  1372 CheckX11()
  1373 {
  1374 
  1375 
  1376     AC_ARG_ENABLE(video-x11,
  1377 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
  1378                   , enable_video_x11=yes)
  1379     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
  1380         case "$host" in
  1381             *-*-darwin*)
  1382                 # This isn't necessary for X11, but fixes GLX detection
  1383                 if test "x$x_includes" = xNONE && \
  1384                    test "x$x_libraries" = xNONE && \
  1385                    test -d /usr/X11R6/include && \
  1386                    test -d /usr/X11R6/lib; then
  1387                     x_includes="/usr/X11R6/include"
  1388                     x_libraries="/usr/X11R6/lib"
  1389                 fi
  1390                 ;;
  1391         esac
  1392         AC_PATH_X
  1393         AC_PATH_XTRA
  1394         if test x$have_x = xyes; then
  1395             AC_ARG_ENABLE(x11-shared,
  1396 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
  1397                           , enable_x11_shared=maybe)
  1398 
  1399             case "$host" in
  1400                 *-*-darwin*)
  1401                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
  1402                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
  1403                     xcursor_lib='/usr/X11R6/lib/libXcursor.1.dylib'
  1404                     xinerama_lib='/usr/X11R6/lib/libXinerama.1.dylib'
  1405                     xinput_lib='/usr/X11R6/lib/libXi.6.dylib'
  1406                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
  1407                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
  1408                     xss_lib='/usr/X11R6/lib/libXss.1.dylib'
  1409                     xvidmode_lib='/usr/X11R6/lib/libXxf86vm.1.dylib'
  1410                     ;;
  1411                 *-*-openbsd*)
  1412                     x11_lib='libX11.so'
  1413                     x11ext_lib='libXext.so'
  1414                     xcursor_lib='libXcursor.so'
  1415                     xinerama_lib='libXinerama.so'
  1416                     xinput_lib='libXi.so'
  1417                     xrandr_lib='libXrandr.so'
  1418                     xrender_lib='libXrender.so'
  1419                     xss_lib='libXss.so'
  1420                     xvidmode_lib='libXxf86vm.so'
  1421                     ;;
  1422                 *)
  1423                     x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1424                     x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1425                     xcursor_lib=[`find_lib "libXcursor.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1426                     xinerama_lib=[`find_lib "libXinerama.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1427                     xinput_lib=[`find_lib "libXi.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1428                     xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1429                     xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1430                     xss_lib=[`find_lib "libXss.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1431                     xvidmode_lib=[`find_lib "libXxf86vm.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1432                     ;;
  1433             esac
  1434 
  1435             if test x$ac_cv_func_shmat != xyes; then
  1436                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
  1437             fi
  1438             CFLAGS="$CFLAGS $X_CFLAGS"
  1439             LDFLAGS="$LDFLAGS $X_LIBS"
  1440 
  1441             AC_CHECK_HEADER(X11/extensions/Xext.h,
  1442                             have_xext_h_hdr=yes,
  1443                             have_xext_h_hdr=no,
  1444                             [#include <X11/Xlib.h>
  1445                              #include <X11/Xproto.h>
  1446                             ])
  1447             if test x$have_xext_h_hdr != xyes; then
  1448                AC_MSG_ERROR([
  1449 *** Missing Xext.h, maybe you need to install the libxext-dev package?
  1450                ])
  1451             fi
  1452 
  1453             AC_DEFINE(SDL_VIDEO_DRIVER_X11, 1, [ ])
  1454             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
  1455             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
  1456 
  1457             # Needed so SDL applications can include SDL_syswm.h
  1458             SDL_CFLAGS="$SDL_CFLAGS $X_CFLAGS"
  1459 
  1460             if test x$enable_x11_shared = xmaybe; then
  1461                 enable_x11_shared=yes
  1462             fi
  1463             if test x$have_loadso != xyes && \
  1464                test x$enable_x11_shared = xyes; then
  1465                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
  1466                 enable_x11_shared=no
  1467             fi
  1468             if test x$have_loadso = xyes && \
  1469                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
  1470                 echo "-- dynamic libX11 -> $x11_lib"
  1471                 echo "-- dynamic libX11ext -> $x11ext_lib"
  1472                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib", [ ])
  1473                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib", [ ])
  1474                 SUMMARY_video="${SUMMARY_video} x11(dynamic)"
  1475             else
  1476                 enable_x11_shared=no
  1477                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
  1478                 SUMMARY_video="${SUMMARY_video} x11"
  1479             fi
  1480             have_video=yes
  1481 
  1482             AC_MSG_CHECKING(for const parameter to XextAddDisplay)
  1483             have_const_param_XextAddDisplay=no
  1484             AC_TRY_COMPILE([
  1485               #include <X11/Xlib.h>
  1486               #include <X11/Xproto.h>
  1487               #include <X11/extensions/Xext.h>
  1488               #include <X11/extensions/extutil.h>
  1489               extern XExtDisplayInfo* XextAddDisplay(XExtensionInfo* a,Display* b,_Xconst char* c,XExtensionHooks* d,int e,XPointer f);
  1490             ],[
  1491             ],[
  1492             have_const_param_XextAddDisplay=yes
  1493             AC_DEFINE(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY)
  1494             ])
  1495             AC_MSG_RESULT($have_const_param_XextAddDisplay)
  1496 
  1497             dnl AC_CHECK_LIB(X11, XGetEventData, AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS, 1, [Have XGenericEvent]))
  1498             AC_MSG_CHECKING([for XGenericEvent])
  1499             have_XGenericEvent=no
  1500             AC_TRY_COMPILE([
  1501               	#include <X11/Xlib.h>
  1502             ],[
  1503 Display *display;
  1504 XEvent event;
  1505 XGenericEventCookie *cookie = &event.xcookie;
  1506 XNextEvent(display, &event);
  1507 XGetEventData(display, cookie);
  1508 XFreeEventData(display, cookie);
  1509             ],[
  1510                 have_XGenericEvent=yes
  1511                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS)
  1512             ])
  1513             AC_MSG_RESULT($have_XGenericEvent)
  1514 
  1515             AC_CHECK_LIB(X11, XkbKeycodeToKeysym, AC_DEFINE(SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM, 1, [Have XkbKeycodeToKeysym]))
  1516 
  1517             AC_ARG_ENABLE(video-x11-xcursor,
  1518 AC_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [[default=yes]]]),
  1519                             , enable_video_x11_xcursor=yes)
  1520             if test x$enable_video_x11_xcursor = xyes; then
  1521                 definitely_enable_video_x11_xcursor=no
  1522                 AC_CHECK_HEADER(X11/Xcursor/Xcursor.h,
  1523                                 have_xcursor_h_hdr=yes,
  1524                                 have_xcursor_h_hdr=no,
  1525                                 [#include <X11/Xlib.h>
  1526                                 ])
  1527                 if test x$have_xcursor_h_hdr = xyes; then
  1528                     if test x$enable_x11_shared = xyes && test x$xcursor_lib != x ; then
  1529                         echo "-- dynamic libXcursor -> $xcursor_lib"
  1530                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR, "$xcursor_lib", [ ])
  1531                         definitely_enable_video_x11_xcursor=yes
  1532                     else
  1533                         AC_CHECK_LIB(Xcursor, XcursorImageCreate, have_xcursor_lib=yes)
  1534                         if test x$have_xcursor_lib = xyes ; then
  1535                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXcursor"
  1536                             definitely_enable_video_x11_xcursor=yes
  1537                         fi
  1538                     fi
  1539                 fi
  1540             fi
  1541             if test x$definitely_enable_video_x11_xcursor = xyes; then
  1542                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XCURSOR, 1, [ ])
  1543                 SUMMARY_video_x11="${SUMMARY_video_x11} xcursor"
  1544             fi
  1545             AC_ARG_ENABLE(video-x11-xdbe,
  1546 AC_HELP_STRING([--enable-video-x11-xdbe], [enable X11 Xdbe support [[default=yes]]]),
  1547                             , enable_video_x11_xdbe=yes)
  1548             if test x$enable_video_x11_xdbe = xyes; then
  1549                 AC_CHECK_HEADER(X11/extensions/Xdbe.h,
  1550                                 have_dbe_h_hdr=yes,
  1551                                 have_dbe_h_hdr=no,
  1552                                 [#include <X11/Xlib.h>
  1553                                 ])
  1554                 if test x$have_dbe_h_hdr = xyes; then
  1555                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XDBE, 1, [ ])
  1556                     SUMMARY_video_x11="${SUMMARY_video_x11} xdbe"
  1557                 fi
  1558             fi
  1559             AC_ARG_ENABLE(video-x11-xinerama,
  1560 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
  1561                             , enable_video_x11_xinerama=yes)
  1562             if test x$enable_video_x11_xinerama = xyes; then
  1563                 definitely_enable_video_x11_xinerama=no
  1564                 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
  1565                                 have_xinerama_h_hdr=yes,
  1566                                 have_xinerama_h_hdr=no,
  1567                                 [#include <X11/Xlib.h>
  1568                                 ])
  1569                 if test x$have_xinerama_h_hdr = xyes; then
  1570                     if test x$enable_x11_shared = xyes && test x$xinerama_lib != x ; then
  1571                         echo "-- dynamic libXinerama -> $xinerama_lib"
  1572                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA, "$xinerama_lib", [ ])
  1573                         definitely_enable_video_x11_xinerama=yes
  1574                     else
  1575                         AC_CHECK_LIB(Xinerama, XineramaQueryExtension, have_xinerama_lib=yes)
  1576                         if test x$have_xinerama_lib = xyes ; then
  1577                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXinerama"
  1578                             definitely_enable_video_x11_xinerama=yes
  1579                         fi
  1580                     fi
  1581                 fi
  1582             fi
  1583             if test x$definitely_enable_video_x11_xinerama = xyes; then
  1584                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA, 1, [ ])
  1585                 SUMMARY_video_x11="${SUMMARY_video_x11} xinerama"
  1586             fi
  1587             AC_ARG_ENABLE(video-x11-xinput,
  1588 AC_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [[default=yes]]]),
  1589                             , enable_video_x11_xinput=yes)
  1590             if test x$enable_video_x11_xinput = xyes; then
  1591                 definitely_enable_video_x11_xinput=no
  1592                 AC_CHECK_HEADER(X11/extensions/XInput2.h,
  1593                                 have_xinput_h_hdr=yes,
  1594                                 have_xinput_h_hdr=no,
  1595                                 [#include <X11/Xlib.h>
  1596                                 ])
  1597                 if test x$have_xinput_h_hdr = xyes; then
  1598                     if test x$enable_x11_shared = xyes && test x$xinput_lib != x ; then
  1599                         echo "-- dynamic libXi -> $xinput_lib"
  1600                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2, "$xinput_lib", [ ])
  1601                         definitely_enable_video_x11_xinput=yes
  1602                     else
  1603                         AC_CHECK_LIB(Xi, XOpenDevice, have_xinput_lib=yes)
  1604                         if test x$have_xinput_lib = xyes ; then
  1605                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXi"
  1606                             definitely_enable_video_x11_xinput=yes
  1607                         fi
  1608                     fi
  1609                 fi
  1610             fi
  1611             if test x$definitely_enable_video_x11_xinput = xyes; then
  1612                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2"
  1613                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2, 1, [ ])
  1614                 AC_MSG_CHECKING(for xinput2 multitouch)
  1615             	have_xinput2_multitouch=no
  1616             	AC_TRY_COMPILE([
  1617               		#include <X11/Xlib.h>
  1618              		#include <X11/Xproto.h>
  1619 			#include <X11/extensions/XInput2.h>
  1620             	],[
  1621 int event_type = XI_TouchBegin;
  1622 XITouchClassInfo *t;
  1623             	],[
  1624             	have_xinput2_multitouch=yes
  1625             	AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH)
  1626                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2_multitouch"
  1627             	])
  1628             	AC_MSG_RESULT($have_xinput2_multitouch)
  1629             fi
  1630             AC_ARG_ENABLE(video-x11-xrandr,
  1631 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
  1632                             , enable_video_x11_xrandr=yes)
  1633             if test x$enable_video_x11_xrandr = xyes; then
  1634                 dnl XRRScreenResources is only present in Xrandr >= 1.2, we use that as a test.
  1635                 definitely_enable_video_x11_xrandr=no
  1636                 have_xrandr_h_hdr=no
  1637                 AC_TRY_COMPILE([
  1638                 #include <X11/Xlib.h>
  1639                 #include <X11/extensions/Xrandr.h>
  1640                 ],[
  1641                 XRRScreenResources *res = NULL;
  1642                 ],[
  1643                 have_xrandr_h_hdr=yes
  1644                 ])
  1645                 if test x$have_xrandr_h_hdr = xyes; then
  1646                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
  1647                         echo "-- dynamic libXrandr -> $xrandr_lib"
  1648                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib", [ ])
  1649                         definitely_enable_video_x11_xrandr=yes
  1650                     else
  1651                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
  1652                         if test x$have_xrandr_lib = xyes ; then
  1653                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr"
  1654                             definitely_enable_video_x11_xrandr=yes
  1655                         fi
  1656                     fi
  1657                 fi
  1658             fi
  1659             if test x$definitely_enable_video_x11_xrandr = xyes; then
  1660                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR, 1, [ ])
  1661                 SUMMARY_video_x11="${SUMMARY_video_x11} xrandr"
  1662             fi
  1663             AC_ARG_ENABLE(video-x11-scrnsaver,
  1664 AC_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [[default=yes]]]),
  1665                             , enable_video_x11_scrnsaver=yes)
  1666             if test x$enable_video_x11_scrnsaver = xyes; then
  1667                 AC_CHECK_HEADER(X11/extensions/scrnsaver.h,
  1668                                 have_scrnsaver_h_hdr=yes,
  1669                                 have_scrnsaver_h_hdr=no,
  1670                                 [#include <X11/Xlib.h>
  1671                                 ])
  1672                 if test x$have_scrnsaver_h_hdr = xyes; then
  1673                     if test x$enable_x11_shared = xyes && test x$xss_lib != x ; then
  1674                         echo "-- dynamic libXss -> $xss_lib"
  1675                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS, "$xss_lib", [ ])
  1676                         definitely_enable_video_x11_scrnsaver=yes
  1677                     else
  1678                         AC_CHECK_LIB(Xss, XScreenSaverSuspend, have_xss_lib=yes)
  1679                         if test x$have_xss_lib = xyes ; then
  1680                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXss"
  1681                             definitely_enable_video_x11_scrnsaver=yes
  1682                         fi
  1683                     fi
  1684                 fi
  1685             fi
  1686             if test x$definitely_enable_video_x11_scrnsaver = xyes; then
  1687                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSCRNSAVER, 1, [ ])
  1688                 SUMMARY_video_x11="${SUMMARY_video_x11} xscrnsaver"
  1689             fi
  1690             AC_ARG_ENABLE(video-x11-xshape,
  1691 AC_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [[default=yes]]]),
  1692                             , enable_video_x11_xshape=yes)
  1693             if test x$enable_video_x11_xshape = xyes; then
  1694                 AC_CHECK_HEADER(X11/extensions/shape.h,
  1695                                 have_shape_h_hdr=yes,
  1696                                 have_shape_h_hdr=no,
  1697                                 [#include <X11/Xlib.h>
  1698                                 ])
  1699                 if test x$have_shape_h_hdr = xyes; then
  1700                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSHAPE, 1, [ ])
  1701                     SUMMARY_video_x11="${SUMMARY_video_x11} xshape"
  1702                 fi
  1703             fi
  1704             AC_ARG_ENABLE(video-x11-vm,
  1705 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
  1706                             , enable_video_x11_vm=yes)
  1707             if test x$enable_video_x11_vm = xyes; then
  1708                 definitely_enable_video_x11_vm=no
  1709                 AC_CHECK_HEADER(X11/extensions/xf86vmode.h,
  1710                                 have_vm_h_hdr=yes,
  1711                                 have_vm_h_hdr=no,
  1712                                 [#include <X11/Xlib.h>
  1713                                 ])
  1714                 if test x$have_vm_h_hdr = xyes; then
  1715                     if test x$enable_x11_shared = xyes && test x$xvidmode_lib != x ; then
  1716                         echo "-- dynamic libXxf86vm -> $xvidmode_lib"
  1717                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE, "$xvidmode_lib", [ ])
  1718                         definitely_enable_video_x11_vm=yes
  1719                     else
  1720                         AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, have_vm_lib=yes)
  1721                         if test x$have_vm_lib = xyes ; then
  1722                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXxf86vm"
  1723                             definitely_enable_video_x11_vm=yes
  1724                         fi
  1725                     fi
  1726                 fi
  1727             fi
  1728             if test x$definitely_enable_video_x11_vm = xyes; then
  1729                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XVIDMODE, 1, [ ])
  1730                 SUMMARY_video_x11="${SUMMARY_video_x11} xvidmode"
  1731             fi
  1732         fi
  1733     fi
  1734 }
  1735 
  1736 dnl Set up the Vivante video driver if enabled
  1737 CheckVivanteVideo()
  1738 {
  1739     AC_ARG_ENABLE(video-vivante,
  1740 AC_HELP_STRING([--enable-video-vivante], [use Vivante EGL video driver [[default=yes]]]),
  1741                   , enable_video_vivante=yes)
  1742     if test x$enable_video = xyes -a x$enable_video_vivante = xyes; then
  1743         AC_MSG_CHECKING(for Vivante VDK API)
  1744         have_vivante_vdk=no
  1745         AC_TRY_COMPILE([
  1746           #define LINUX
  1747           #define EGL_API_FB
  1748           #include <gc_vdk.h>
  1749         ],[
  1750         ],[
  1751         have_vivante_vdk=yes
  1752         ])
  1753         AC_MSG_RESULT($have_vivante_vdk)
  1754 
  1755         AC_MSG_CHECKING(for Vivante FB API)
  1756         have_vivante_egl=no
  1757         AC_TRY_COMPILE([
  1758           #define LINUX
  1759           #define EGL_API_FB
  1760           #include <EGL/eglvivante.h>
  1761         ],[
  1762         ],[
  1763         have_vivante_egl=yes
  1764         ])
  1765         AC_MSG_RESULT($have_vivante_egl)
  1766 
  1767         if test x$have_vivante_vdk = xyes -o x$have_vivante_egl = xyes; then
  1768             AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE, 1, [ ])
  1769             EXTRA_CFLAGS="$EXTRA_CFLAGS -DLINUX -DEGL_API_FB"
  1770             if test x$have_vivante_vdk = xyes; then
  1771                 AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE_VDK, 1, [ ])
  1772                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lVDK"
  1773             fi
  1774             SOURCES="$SOURCES $srcdir/src/video/vivante/*.c"
  1775             SUMMARY_video="${SUMMARY_video} vivante"
  1776             have_video=yes
  1777         fi
  1778     fi
  1779 }
  1780 
  1781 dnl Set up the Haiku video driver if enabled
  1782 CheckHaikuVideo()
  1783 {
  1784     if test x$enable_video = xyes; then
  1785         AC_DEFINE(SDL_VIDEO_DRIVER_HAIKU, 1, [ ])
  1786         SOURCES="$SOURCES $srcdir/src/video/haiku/*.cc"
  1787         have_video=yes
  1788         SUMMARY_video="${SUMMARY_video} haiku"
  1789     fi
  1790 }
  1791 
  1792 dnl Set up the Cocoa video driver for Mac OS X (but not Darwin)
  1793 CheckCOCOA()
  1794 {
  1795     AC_ARG_ENABLE(video-cocoa,
  1796 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]]),
  1797                   , enable_video_cocoa=yes)
  1798     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  1799         save_CFLAGS="$CFLAGS"
  1800         dnl work around that we don't have Objective-C support in autoconf
  1801         CFLAGS="$CFLAGS -x objective-c"
  1802         AC_MSG_CHECKING(for Cocoa framework)
  1803         have_cocoa=no
  1804         AC_TRY_COMPILE([
  1805           #import <Cocoa/Cocoa.h>
  1806         ],[
  1807         ],[
  1808         have_cocoa=yes
  1809         ])
  1810         AC_MSG_RESULT($have_cocoa)
  1811         CFLAGS="$save_CFLAGS"
  1812         if test x$have_cocoa = xyes; then
  1813             AC_DEFINE(SDL_VIDEO_DRIVER_COCOA, 1, [ ])
  1814             SOURCES="$SOURCES $srcdir/src/video/cocoa/*.m"
  1815             SUMMARY_video="${SUMMARY_video} cocoa"
  1816             have_video=yes
  1817         fi
  1818     fi
  1819 }
  1820 
  1821 dnl Find DirectFB
  1822 CheckDirectFB()
  1823 {
  1824     AC_ARG_ENABLE(video-directfb,
  1825 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),
  1826                   , enable_video_directfb=no)
  1827     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
  1828         video_directfb=no
  1829 
  1830         DIRECTFB_REQUIRED_VERSION=1.0.0
  1831         AC_PATH_PROGS(DIRECTFBCONFIG, directfb-config, no, [$prefix/bin:$PATH])
  1832         if test x$DIRECTFBCONFIG = xno; then
  1833             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1834             if test x$PKG_CONFIG != xno; then
  1835                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
  1836                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
  1837                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
  1838                     DIRECTFB_PREFIX=`$PKG_CONFIG --variable=prefix directfb`
  1839                     video_directfb=yes
  1840                 fi
  1841             fi
  1842         else
  1843             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
  1844             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1845             set -- `$DIRECTFBCONFIG --version | sed 's/\./ /g'`
  1846             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1847             if test $HAVE_VERSION -ge $NEED_VERSION; then
  1848                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
  1849                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
  1850                 DIRECTFB_PREFIX=`$DIRECTFBCONFIG --prefix`
  1851                 video_directfb=yes
  1852             fi
  1853         fi
  1854         if test x$video_directfb = xyes; then
  1855             # SuSE 11.1 installs directfb-config without directfb-devel
  1856             save_CPPFLAGS="$CPPFLAGS"
  1857             CPPFLAGS="$CPPFLAGS $DIRECTFB_CFLAGS"
  1858             AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no)
  1859             CPPFLAGS="$save_CPPFLAGS"
  1860             video_directfb=$have_directfb_hdr
  1861         fi
  1862         AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
  1863         AC_MSG_RESULT($video_directfb)
  1864 
  1865         if test x$video_directfb = xyes; then
  1866             AC_ARG_ENABLE(directfb-shared,
  1867 AC_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [[default=yes]]]),
  1868                               , enable_directfb_shared=yes)
  1869 
  1870             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB, 1, [ ])
  1871             AC_DEFINE(SDL_VIDEO_RENDER_DIRECTFB, 1, [ ])
  1872             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
  1873             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
  1874 
  1875             AC_MSG_CHECKING(for directfb dynamic loading support)
  1876             directfb_shared=no
  1877             directfb_lib=[`find_lib "libdirectfb.so.*" "$DIRECTFB_LIBS"`]
  1878             # | sed 's/.*\/\(.*\)/\1/; q'`]
  1879 AC_MSG_WARN("directfb $directfb_lib")
  1880             if test x$have_loadso != xyes && \
  1881                test x$enable_directfb_shared = xyes; then
  1882                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic directfb loading])
  1883             fi
  1884             if test x$have_loadso = xyes && \
  1885                test x$enable_directfb_shared = xyes && test x$directfb_lib != x; then
  1886                 directfb_shared=yes
  1887                 echo "-- $directfb_lib_spec -> $directfb_lib"
  1888                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC, "$directfb_lib", [ ])
  1889                 SUMMARY_video="${SUMMARY_video} directfb(dynamic)"
  1890             else
  1891                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
  1892                 SUMMARY_video="${SUMMARY_video} directfb"
  1893             fi
  1894             AC_MSG_RESULT($directfb_shared)
  1895             SDL_CFLAGS="$SDL_CFLAGS $DIRECTFB_CFLAGS"
  1896             have_video=yes
  1897         fi
  1898     fi
  1899 }
  1900 
  1901 dnl Find FusionSound
  1902 CheckFusionSound()
  1903 {
  1904     AC_ARG_ENABLE(fusionsound,
  1905 AC_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [[default=no]]]),
  1906                   , enable_fusionsound=no)
  1907     if test x$enable_audio = xyes -a x$enable_fusionsound = xyes; then
  1908         fusionsound=no
  1909 
  1910         FUSIONSOUND_REQUIRED_VERSION=1.1.1
  1911 
  1912         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1913         AC_MSG_CHECKING(for FusionSound $FUSIONSOUND_REQUIRED_VERSION support)
  1914         if test x$PKG_CONFIG != xno; then
  1915             if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $FUSIONSOUND_REQUIRED_VERSION fusionsound; then
  1916                 FUSIONSOUND_CFLAGS=`$PKG_CONFIG --cflags fusionsound`
  1917                 FUSIONSOUND_LIBS=`$PKG_CONFIG --libs fusionsound`
  1918                 fusionsound=yes
  1919             fi
  1920         fi
  1921         AC_MSG_RESULT($fusionsound)
  1922 
  1923         if test x$fusionsound = xyes; then
  1924             AC_DEFINE(SDL_AUDIO_DRIVER_FUSIONSOUND, 1, [ ])
  1925             SOURCES="$SOURCES $srcdir/src/audio/fusionsound/*.c"
  1926             EXTRA_CFLAGS="$EXTRA_CFLAGS $FUSIONSOUND_CFLAGS"
  1927             
  1928             AC_ARG_ENABLE(fusionsound-shared,
  1929 AC_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [[default=yes]]]),
  1930                           , enable_fusionsound_shared=yes)
  1931             fusionsound_shared=no
  1932             AC_MSG_CHECKING(for FusionSound dynamic loading support)
  1933             if test x$have_loadso != xyes && \
  1934                test x$enable_fusionsound_shared = xyes; then
  1935                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic fusionsound loading])
  1936             fi
  1937             if test x$have_loadso = xyes && \
  1938                test x$enable_fusionsound_shared = xyes; then
  1939                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC, "libfusionsound.so", [ ])
  1940                 fusionsound_shared=yes
  1941                 SUMMARY_audio="${SUMMARY_audio} fusionsound(dynamic)"
  1942             else
  1943                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $FUSIONSOUND_LIBS"
  1944                 SUMMARY_audio="${SUMMARY_audio} fusionsound"
  1945             fi
  1946             AC_MSG_RESULT($fusionsound_shared)
  1947             
  1948             have_audio=yes
  1949         fi
  1950     fi
  1951 }
  1952 
  1953 dnl rcg04172001 Set up the Null video driver.
  1954 CheckDummyVideo()
  1955 {
  1956     AC_ARG_ENABLE(video-dummy,
  1957 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
  1958                   , enable_video_dummy=yes)
  1959     if test x$enable_video_dummy = xyes; then
  1960         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ])
  1961         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
  1962         have_video=yes
  1963         SUMMARY_video="${SUMMARY_video} dummy"
  1964     fi
  1965 }
  1966 
  1967 dnl Check to see if OpenGL support is desired
  1968 AC_ARG_ENABLE(video-opengl,
  1969 AC_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),
  1970               , enable_video_opengl=yes)
  1971 
  1972 dnl Find OpenGL
  1973 CheckOpenGLX11()
  1974 {
  1975     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1976         AC_MSG_CHECKING(for OpenGL (GLX) support)
  1977         video_opengl=no
  1978         AC_TRY_COMPILE([
  1979          #include <GL/gl.h>
  1980          #include <GL/glx.h>
  1981         ],[
  1982         ],[
  1983         video_opengl=yes
  1984         ])
  1985         AC_MSG_RESULT($video_opengl)
  1986         if test x$video_opengl = xyes; then
  1987             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1988             AC_DEFINE(SDL_VIDEO_OPENGL_GLX, 1, [ ])
  1989             AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  1990             SUMMARY_video="${SUMMARY_video} opengl"
  1991         fi
  1992     fi
  1993 }
  1994 
  1995 dnl Check to see if OpenGL ES support is desired
  1996 AC_ARG_ENABLE(video-opengles,
  1997 AC_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [[default=yes]]]),
  1998               , enable_video_opengles=yes)
  1999 AC_ARG_ENABLE(video-opengles1,
  2000 AC_HELP_STRING([--enable-video-opengles1], [include OpenGL ES 1.1 support [[default=yes]]]),
  2001               , enable_video_opengles1=yes)
  2002 AC_ARG_ENABLE(video-opengles2,
  2003 AC_HELP_STRING([--enable-video-opengles2], [include OpenGL ES 2.0 support [[default=yes]]]),
  2004               , enable_video_opengles2=yes)
  2005 
  2006 dnl Find OpenGL ES
  2007 CheckOpenGLESX11()
  2008 {
  2009     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2010         AC_MSG_CHECKING(for EGL support)
  2011         video_opengl_egl=no
  2012         AC_TRY_COMPILE([
  2013           #define LINUX
  2014           #define EGL_API_FB
  2015           #include <EGL/egl.h>
  2016           #include <EGL/eglext.h>
  2017         ],[
  2018         ],[
  2019         video_opengl_egl=yes
  2020         ])
  2021         AC_MSG_RESULT($video_opengl_egl)
  2022         if test x$video_opengl_egl = xyes; then
  2023             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2024         fi
  2025             
  2026         if test x$enable_video_opengles1 = xyes; then
  2027             AC_MSG_CHECKING(for OpenGL ES v1 headers)
  2028             video_opengles_v1=no
  2029             AC_TRY_COMPILE([
  2030              #include <GLES/gl.h>
  2031              #include <GLES/glext.h>
  2032             ],[
  2033             ],[
  2034             video_opengles_v1=yes
  2035             ])
  2036             AC_MSG_RESULT($video_opengles_v1)
  2037             if test x$video_opengles_v1 = xyes; then
  2038                 AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])
  2039                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])
  2040                 SUMMARY_video="${SUMMARY_video} opengl_es1"
  2041             fi
  2042         fi
  2043         
  2044         if test x$enable_video_opengles2 = xyes; then
  2045             AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2046             video_opengles_v2=no
  2047             AC_TRY_COMPILE([
  2048              #include <GLES2/gl2.h>
  2049              #include <GLES2/gl2ext.h>
  2050             ],[
  2051             ],[
  2052             video_opengles_v2=yes
  2053             ])
  2054             AC_MSG_RESULT($video_opengles_v2)
  2055             if test x$video_opengles_v2 = xyes; then
  2056                 AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2057                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2058                 SUMMARY_video="${SUMMARY_video} opengl_es2"
  2059             fi
  2060         fi
  2061     fi
  2062 }
  2063 
  2064 dnl Check for Windows OpenGL
  2065 CheckWINDOWSGL()
  2066 {
  2067     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2068         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2069         AC_DEFINE(SDL_VIDEO_OPENGL_WGL, 1, [ ])
  2070         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2071         SUMMARY_video="${SUMMARY_video} opengl"
  2072     fi
  2073 }
  2074 
  2075 dnl Check for Windows OpenGL
  2076 CheckWINDOWSGLES()
  2077 {
  2078     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2079 
  2080         AC_MSG_CHECKING(for EGL support)
  2081         video_opengl_egl=no
  2082         AC_TRY_COMPILE([
  2083          #include <EGL/egl.h>
  2084         ],[
  2085         ],[
  2086         video_opengl_egl=yes
  2087         ])
  2088         AC_MSG_RESULT($video_opengl_egl)
  2089         if test x$video_opengl_egl = xyes; then
  2090             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2091             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2092             SUMMARY_video="${SUMMARY_video} opengl_es1"
  2093         fi
  2094        
  2095         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2096         video_opengles_v2=no
  2097         AC_TRY_COMPILE([
  2098          #include <GLES2/gl2.h>
  2099          #include <GLES2/gl2ext.h>
  2100         ],[
  2101         ],[
  2102         video_opengles_v2=yes
  2103         ])
  2104         AC_MSG_RESULT($video_opengles_v2)
  2105         if test x$video_opengles_v2 = xyes; then
  2106             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2107             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2108             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2109             SUMMARY_video="${SUMMARY_video} opengl_es2"
  2110         fi
  2111     fi
  2112 }
  2113 
  2114 dnl Check for Haiku OpenGL
  2115 CheckHaikuGL()
  2116 {
  2117     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2118         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2119         AC_DEFINE(SDL_VIDEO_OPENGL_HAIKU, 1, [ ])
  2120         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2121         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  2122         SUMMARY_video="${SUMMARY_video} opengl"
  2123     fi
  2124 }
  2125 
  2126 dnl Check for MacOS OpenGL
  2127 CheckMacGL()
  2128 {
  2129     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2130         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2131         AC_DEFINE(SDL_VIDEO_OPENGL_CGL, 1, [ ])
  2132         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2133         SUMMARY_video="${SUMMARY_video} opengl"
  2134     fi
  2135 }
  2136 
  2137 CheckEmscriptenGLES()
  2138 {
  2139     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2140         AC_MSG_CHECKING(for EGL support)
  2141         video_opengl_egl=no
  2142         AC_TRY_COMPILE([
  2143          #include <EGL/egl.h>
  2144         ],[
  2145         ],[
  2146         video_opengl_egl=yes
  2147         ])
  2148         AC_MSG_RESULT($video_opengl_egl)
  2149         if test x$video_opengl_egl = xyes; then
  2150             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2151         fi
  2152 
  2153         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2154         video_opengles_v2=no
  2155         AC_TRY_COMPILE([
  2156          #include <GLES2/gl2.h>
  2157          #include <GLES2/gl2ext.h>
  2158         ],[
  2159         ],[
  2160         video_opengles_v2=yes
  2161         ])
  2162         AC_MSG_RESULT($video_opengles_v2)
  2163         if test x$video_opengles_v2 = xyes; then
  2164             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2165             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2166             SUMMARY_video="${SUMMARY_video} opengl_es2"
  2167         fi
  2168     fi
  2169 }
  2170 
  2171 dnl See if we can use the new unified event interface in Linux 2.4
  2172 CheckInputEvents()
  2173 {
  2174     dnl Check for Linux 2.4 unified input event interface support
  2175         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
  2176         use_input_events=no
  2177         AC_TRY_COMPILE([
  2178           #include <linux/input.h>
  2179         ],[
  2180           #ifndef EVIOCGNAME
  2181           #error EVIOCGNAME() ioctl not available
  2182           #endif
  2183         ],[
  2184         use_input_events=yes
  2185         ])
  2186         AC_MSG_RESULT($use_input_events)
  2187         if test x$use_input_events = xyes; then
  2188             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])
  2189             SUMMARY_input="${SUMMARY_input} linuxev"
  2190         fi
  2191 }
  2192 
  2193 dnl See if we can use the kernel kd.h header
  2194 CheckInputKD()
  2195 {
  2196 
  2197     AC_MSG_CHECKING(for Linux kd.h)
  2198     use_input_kd=no
  2199     AC_TRY_COMPILE([
  2200       #include <linux/kd.h>
  2201       #include <linux/keyboard.h>
  2202     ],[
  2203         struct kbentry kbe;
  2204         kbe.kb_table = KG_CTRL;
  2205         ioctl(0, KDGKBENT, &kbe);
  2206     ],[
  2207     use_input_kd=yes
  2208     ])
  2209     AC_MSG_RESULT($use_input_kd)
  2210     if test x$use_input_kd = xyes; then
  2211         AC_DEFINE(SDL_INPUT_LINUXKD, 1, [ ])
  2212         SUMMARY_input="${SUMMARY_input} linuxkd"
  2213     fi
  2214 }
  2215 
  2216 dnl See if the platform offers libudev for device enumeration and hotplugging.
  2217 CheckLibUDev()
  2218 {
  2219     AC_ARG_ENABLE(libudev,
  2220 AC_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),
  2221                         , enable_libudev=yes)
  2222     if test x$enable_libudev = xyes; then
  2223         AC_CHECK_HEADER(libudev.h,
  2224                         have_libudev_h_hdr=yes,
  2225                         have_libudev_h_hdr=no)
  2226         if test x$have_libudev_h_hdr = xyes; then
  2227             AC_DEFINE(HAVE_LIBUDEV_H, 1, [ ])
  2228         fi
  2229     fi
  2230 }
  2231 
  2232 dnl See if the platform offers libdbus for various IPC techniques.
  2233 CheckDBus()
  2234 {
  2235     AC_ARG_ENABLE(dbus,
  2236 AC_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),
  2237                         , enable_dbus=yes)
  2238     if test x$enable_dbus = xyes; then
  2239         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2240         if test x$PKG_CONFIG != xno; then
  2241             DBUS_CFLAGS=`$PKG_CONFIG --cflags dbus-1`
  2242             save_CFLAGS="$CFLAGS"
  2243             CFLAGS="$save_CFLAGS $DBUS_CFLAGS"
  2244             AC_CHECK_HEADER(dbus/dbus.h,
  2245                             have_dbus_dbus_h_hdr=yes,
  2246                             have_dbus_dbus_h_hdr=no)
  2247             CFLAGS="$save_CFLAGS"
  2248             if test x$have_dbus_dbus_h_hdr = xyes; then
  2249                 AC_DEFINE(HAVE_DBUS_DBUS_H, 1, [ ])
  2250                 EXTRA_CFLAGS="$EXTRA_CFLAGS $DBUS_CFLAGS"
  2251                 SOURCES="$SOURCES $srcdir/src/core/linux/SDL_dbus.c"
  2252             fi
  2253         fi
  2254     fi
  2255 }
  2256 
  2257 dnl See if the platform has libibus IME support.
  2258 CheckIBus()
  2259 {
  2260     AC_ARG_ENABLE(ibus,
  2261 AC_HELP_STRING([--enable-ibus], [enable IBus support [[default=yes]]]),
  2262                   , enable_ibus=yes)
  2263     if test x$enable_ibus = xyes; then
  2264         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2265         if test x$PKG_CONFIG != xno; then
  2266             IBUS_CFLAGS=`$PKG_CONFIG --cflags ibus-1.0`
  2267             save_CFLAGS="$CFLAGS"
  2268             CFLAGS="$save_CFLAGS $IBUS_CFLAGS"
  2269             AC_CHECK_HEADER(ibus-1.0/ibus.h,
  2270                             have_ibus_ibus_h_hdr=yes,
  2271                             have_ibus_ibus_h_hdr=no)
  2272             AC_CHECK_HEADER(sys/inotify.h,
  2273                             have_inotify_inotify_h_hdr=yes,
  2274                             have_inotify_inotify_h_hdr=no)
  2275             CFLAGS="$save_CFLAGS"
  2276             if test x$have_ibus_ibus_h_hdr = xyes; then
  2277                 if test x$enable_dbus != xyes; then
  2278                     AC_MSG_WARN([DBus support is required for IBus.])
  2279                     have_ibus_ibus_h_hdr=no
  2280                 elif test x$have_inotify_inotify_h_hdr != xyes; then
  2281                     AC_MSG_WARN([INotify support is required for IBus.])
  2282                     have_ibus_ibus_h_hdr=no
  2283                 else
  2284                     AC_DEFINE(HAVE_IBUS_IBUS_H, 1, [ ])
  2285                     EXTRA_CFLAGS="$EXTRA_CFLAGS $IBUS_CFLAGS"
  2286                     SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ibus.c"
  2287                fi
  2288             fi
  2289         fi
  2290     fi
  2291 }
  2292 
  2293 dnl See if we can use the Touchscreen input library
  2294 CheckTslib()
  2295 {
  2296     AC_ARG_ENABLE(input-tslib,
  2297 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
  2298                   , enable_input_tslib=yes)
  2299     if test x$enable_input_tslib = xyes; then
  2300         AC_MSG_CHECKING(for Touchscreen library support)
  2301         enable_input_tslib=no
  2302         AC_TRY_COMPILE([
  2303           #include "tslib.h"
  2304         ],[
  2305         ],[
  2306         enable_input_tslib=yes
  2307         ])
  2308         AC_MSG_RESULT($enable_input_tslib)
  2309         if test x$enable_input_tslib = xyes; then
  2310             AC_DEFINE(SDL_INPUT_TSLIB, 1, [ ])
  2311             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
  2312             SUMMARY_input="${SUMMARY_input} ts"
  2313         fi
  2314     fi
  2315 }
  2316 
  2317 dnl See what type of thread model to use on Linux and Solaris
  2318 CheckPTHREAD()
  2319 {
  2320     dnl Check for pthread support
  2321     AC_ARG_ENABLE(pthreads,
  2322 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
  2323                   , enable_pthreads=yes)
  2324     dnl This is used on Linux for glibc binary compatibility (Doh!)
  2325     AC_ARG_ENABLE(pthread-sem,
  2326 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
  2327                   , enable_pthread_sem=yes)
  2328     case "$host" in
  2329          *-*-androideabi*)
  2330             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2331             pthread_lib=""
  2332             ;;
  2333         *-*-linux*|*-*-uclinux*)
  2334             pthread_cflags="-D_REENTRANT"
  2335             pthread_lib="-lpthread"
  2336             ;;
  2337         *-*-bsdi*)
  2338             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2339             pthread_lib=""
  2340             ;;
  2341         *-*-darwin*)
  2342             pthread_cflags="-D_THREAD_SAFE"
  2343 # causes Carbon.p complaints?
  2344 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2345             ;;
  2346         *-*-freebsd*|*-*-dragonfly*)
  2347             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2348             pthread_lib="-pthread"
  2349             ;;
  2350         *-*-netbsd*)
  2351             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2352             pthread_lib="-lpthread"
  2353             ;;
  2354         *-*-openbsd*)
  2355             pthread_cflags="-D_REENTRANT"
  2356             pthread_lib="-pthread"
  2357             ;;
  2358         *-*-solaris2.9)
  2359             # From Solaris 9+, posix4's preferred name is rt.
  2360             pthread_cflags="-D_REENTRANT"
  2361             pthread_lib="-lpthread -lrt"
  2362             ;;
  2363         *-*-solaris2.10)
  2364             # Solaris 10+ merged pthread into libc.
  2365             pthread_cflags="-D_REENTRANT"
  2366             pthread_lib="-lrt"
  2367             ;;
  2368         *-*-solaris*)
  2369             # Solaris 11+ merged rt into libc.
  2370             pthread_cflags="-D_REENTRANT"
  2371             pthread_lib=""
  2372             ;;
  2373         *-*-sysv5*)
  2374             pthread_cflags="-D_REENTRANT -Kthread"
  2375             pthread_lib=""
  2376             ;;
  2377         *-*-aix*)
  2378             pthread_cflags="-D_REENTRANT -mthreads"
  2379             pthread_lib="-lpthread"
  2380             ;;
  2381         *-*-hpux11*)
  2382             pthread_cflags="-D_REENTRANT"
  2383             pthread_lib="-L/usr/lib -lpthread"
  2384             ;;
  2385         *-*-haiku*)
  2386             pthread_cflags="-D_REENTRANT"
  2387             pthread_lib=""
  2388             ;;
  2389         *)
  2390             pthread_cflags="-D_REENTRANT"
  2391             pthread_lib="-lpthread"
  2392             ;;
  2393     esac
  2394     if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then
  2395         # Save the original compiler flags and libraries
  2396         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2397         # Add the pthread compiler flags and libraries
  2398         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2399         # Check to see if we have pthread support on this system
  2400         AC_MSG_CHECKING(for pthreads)
  2401         use_pthreads=no
  2402         AC_TRY_LINK([
  2403          #include <pthread.h>
  2404         ],[
  2405          pthread_attr_t type;
  2406          pthread_attr_init(&type);
  2407         ],[
  2408         use_pthreads=yes
  2409         ])
  2410         AC_MSG_RESULT($use_pthreads)
  2411         # Restore the compiler flags and libraries
  2412         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2413 
  2414         # Do futher testing if we have pthread support...
  2415         if test x$use_pthreads = xyes; then
  2416             AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ])
  2417             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
  2418             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
  2419             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
  2420 
  2421             # Save the original compiler flags and libraries
  2422             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2423             # Add the pthread compiler flags and libraries
  2424             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2425 
  2426             # Check to see if recursive mutexes are available
  2427             AC_MSG_CHECKING(for recursive mutexes)
  2428             has_recursive_mutexes=no
  2429             if test x$has_recursive_mutexes = xno; then
  2430                 AC_TRY_LINK([
  2431                   #define _GNU_SOURCE 1
  2432                   #include <pthread.h>
  2433                 ],[
  2434                   pthread_mutexattr_t attr;
  2435                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
  2436                 ],[
  2437                 has_recursive_mutexes=yes
  2438                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ])
  2439                 ])
  2440             fi
  2441             if test x$has_recursive_mutexes = xno; then
  2442                 AC_TRY_LINK([
  2443                   #define _GNU_SOURCE 1
  2444                   #include <pthread.h>
  2445                 ],[
  2446                   pthread_mutexattr_t attr;
  2447                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
  2448                 ],[
  2449                 has_recursive_mutexes=yes
  2450                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ])
  2451                 ])
  2452             fi
  2453             AC_MSG_RESULT($has_recursive_mutexes)
  2454 
  2455             # Check to see if pthread semaphore support is missing
  2456             if test x$enable_pthread_sem = xyes; then
  2457                 AC_MSG_CHECKING(for pthread semaphores)
  2458                 have_pthread_sem=no
  2459                 AC_TRY_COMPILE([
  2460                   #include <pthread.h>
  2461                   #include <semaphore.h>
  2462                 ],[
  2463                 ],[
  2464                 have_pthread_sem=yes
  2465                 ])
  2466                 AC_MSG_RESULT($have_pthread_sem)
  2467             fi
  2468             if test x$have_pthread_sem = xyes; then
  2469                 AC_MSG_CHECKING(for sem_timedwait)
  2470                 have_sem_timedwait=no
  2471                 AC_TRY_LINK([
  2472                   #include <pthread.h>
  2473                   #include <semaphore.h>
  2474                 ],[
  2475                   sem_timedwait(NULL, NULL);
  2476                 ],[
  2477                 have_sem_timedwait=yes
  2478                 AC_DEFINE(HAVE_SEM_TIMEDWAIT)
  2479                 ])
  2480                 AC_MSG_RESULT($have_sem_timedwait)
  2481             fi
  2482 
  2483             AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes, have_pthread_np_h=no, [ #include <pthread.h> ])
  2484             if test x$have_pthread_np_h = xyes; then
  2485                 AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ])
  2486             fi
  2487 
  2488             # Check to see if pthread naming is available
  2489             AC_MSG_CHECKING(for pthread_setname_np)
  2490             AC_TRY_LINK_FUNC(pthread_setname_np, [
  2491               has_pthread_setname_np=yes
  2492               AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ])
  2493             ],[
  2494               has_pthread_setname_np=no
  2495             ])
  2496             AC_MSG_RESULT($has_pthread_setname_np)
  2497 
  2498             AC_MSG_CHECKING(for pthread_set_name_np)
  2499             AC_TRY_LINK_FUNC(pthread_set_name_np, [
  2500               has_pthread_set_name_np=yes
  2501               AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ])
  2502             ],[
  2503               has_pthread_set_name_np=no
  2504             ])
  2505             AC_MSG_RESULT($has_pthread_set_name_np)
  2506 
  2507             # Restore the compiler flags and libraries
  2508             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2509 
  2510             # Basic thread creation functions
  2511             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
  2512 
  2513             # Semaphores
  2514             # We can fake these with mutexes and condition variables if necessary
  2515             if test x$have_pthread_sem = xyes; then
  2516                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
  2517             else
  2518                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  2519             fi
  2520 
  2521             # Mutexes
  2522             # We can fake these with semaphores if necessary
  2523             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
  2524 
  2525             # Condition variables
  2526             # We can fake these with semaphores and mutexes if necessary
  2527             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
  2528 
  2529             # Thread local storage
  2530             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systls.c"
  2531 
  2532             have_threads=yes
  2533         fi
  2534     fi
  2535 }
  2536 
  2537 dnl Determine whether the compiler can produce Windows executables
  2538 CheckWINDOWS()
  2539 {
  2540     AC_MSG_CHECKING(Windows compiler)
  2541     have_win32_gcc=no
  2542     AC_TRY_COMPILE([
  2543      #include <windows.h>
  2544     ],[
  2545     ],[
  2546     have_win32_gcc=yes
  2547     ])
  2548     AC_MSG_RESULT($have_win32_gcc)
  2549     if test x$have_win32_gcc != xyes; then
  2550        AC_MSG_ERROR([
  2551 *** Your compiler ($CC) does not produce Windows executables!
  2552        ])
  2553     fi
  2554 
  2555     AC_MSG_CHECKING(Windows CE)
  2556     have_wince=no
  2557     AC_TRY_COMPILE([
  2558 #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__)
  2559 #error This is not Windows CE
  2560 #endif
  2561     ],[
  2562     ],[
  2563     have_wince=yes
  2564        AC_MSG_ERROR([
  2565 *** Sorry, Windows CE is no longer supported.
  2566        ])
  2567     ])
  2568     AC_MSG_RESULT($have_wince)
  2569 
  2570     # This fixes Windows stack alignment with newer GCC
  2571     CheckStackBoundary
  2572 }
  2573 
  2574 dnl Find the DirectX includes and libraries
  2575 CheckDIRECTX()
  2576 {
  2577     AC_ARG_ENABLE(directx,
  2578 AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
  2579                   , enable_directx=yes)
  2580     if test x$enable_directx = xyes; then
  2581         AC_CHECK_HEADER(d3d9.h, have_d3d=yes)
  2582         AC_CHECK_HEADER(d3d11_1.h, have_d3d11=yes)
  2583         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
  2584         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
  2585         AC_CHECK_HEADER(dinput.h, have_dinput=yes)
  2586         AC_CHECK_HEADER(dxgi.h, have_dxgi=yes)
  2587         AC_CHECK_HEADER(xaudio2.h, have_xaudio2=yes)
  2588         AC_CHECK_HEADER(xinput.h, have_xinput=yes)
  2589 
  2590         if test x$have_ddraw = xyes; then
  2591             AC_DEFINE(HAVE_DDRAW_H, 1, [ ])
  2592         fi
  2593         if test x$have_dinput = xyes; then
  2594             AC_DEFINE(HAVE_DINPUT_H, 1, [ ])
  2595         fi
  2596         if test x$have_dsound = xyes; then
  2597             AC_DEFINE(HAVE_DSOUND_H, 1, [ ])
  2598         fi
  2599         if test x$have_dxgi = xyes; then
  2600             AC_DEFINE(HAVE_DXGI_H, 1, [ ])
  2601         fi
  2602         if test x$have_xinput = xyes; then
  2603             AC_DEFINE(HAVE_XINPUT_H, 1, [ ])
  2604         fi
  2605 
  2606         SUMMARY_video="${SUMMARY_video} directx"
  2607         SUMMARY_audio="${SUMMARY_audio} directx"
  2608 
  2609         # FIXME: latest Cygwin finds dinput headers, but we die on other win32 headers.
  2610         # FIXME:  ...so force it off for now.
  2611         case "$host" in
  2612             *-*-cygwin*)
  2613             have_dinput=false
  2614             ;;
  2615         esac
  2616     fi
  2617 }
  2618 
  2619 dnl Check for the dlfcn.h interface for dynamically loading objects
  2620 CheckDLOPEN()
  2621 {
  2622     AC_ARG_ENABLE(sdl-dlopen,
  2623 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
  2624                   , enable_sdl_dlopen=yes)
  2625     if test x$enable_sdl_dlopen = xyes; then
  2626         AC_MSG_CHECKING(for dlopen)
  2627         have_dlopen=no
  2628         AC_TRY_COMPILE([
  2629          #include <dlfcn.h>
  2630         ],[
  2631          void *handle = dlopen("", RTLD_NOW);
  2632          const char *loaderror = (char *) dlerror();
  2633         ],[
  2634         have_dlopen=yes
  2635         ])
  2636         AC_MSG_RESULT($have_dlopen)
  2637 
  2638         if test x$have_dlopen = xyes; then
  2639             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
  2640                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
  2641                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
  2642             AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ])
  2643             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
  2644             have_loadso=yes
  2645         fi
  2646     fi
  2647 }
  2648 
  2649 dnl Check for the usbhid(3) library on *BSD
  2650 CheckUSBHID()
  2651 {
  2652     case "$host" in
  2653         *-*-*bsd*)
  2654             if test x$enable_joystick = xyes; then
  2655                 AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
  2656                 if test x$have_libusbhid = xyes; then
  2657                     AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
  2658                     AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
  2659                     USB_LIBS="$USB_LIBS -lusbhid"
  2660                 else
  2661                     AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
  2662                     AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
  2663                     AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
  2664                 fi
  2665                     
  2666                 save_CFLAGS="$CFLAGS"
  2667                 CFLAGS="$CFLAGS $USB_CFLAGS"
  2668 
  2669                 AC_MSG_CHECKING(for usbhid)
  2670                 have_usbhid=no
  2671                 AC_TRY_COMPILE([
  2672                   #include <sys/types.h>
  2673                   #if defined(HAVE_USB_H)
  2674                   #include <usb.h>
  2675                   #endif
  2676                   #ifdef __DragonFly__
  2677                   # include <bus/usb/usb.h>
  2678                   # include <bus/usb/usbhid.h>
  2679                   #else
  2680                   # include <dev/usb/usb.h>
  2681                   # include <dev/usb/usbhid.h>
  2682                   #endif
  2683                   #if defined(HAVE_USBHID_H)
  2684                   #include <usbhid.h>
  2685                   #elif defined(HAVE_LIBUSB_H)
  2686                   #include <libusb.h>
  2687                   #elif defined(HAVE_LIBUSBHID_H)
  2688                   #include <libusbhid.h>
  2689                   #endif
  2690                 ],[
  2691                   struct report_desc *repdesc;
  2692                   struct usb_ctl_report *repbuf;
  2693                   hid_kind_t hidkind;
  2694                 ],[
  2695                 have_usbhid=yes
  2696                 ])
  2697                 AC_MSG_RESULT($have_usbhid)
  2698 
  2699                 if test x$have_usbhid = xyes; then
  2700                     AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
  2701                     have_usbhid_ucr_data=no
  2702                     AC_TRY_COMPILE([
  2703                       #include <sys/types.h>
  2704                       #if defined(HAVE_USB_H)
  2705                       #include <usb.h>
  2706                       #endif
  2707                       #ifdef __DragonFly__
  2708                       # include <bus/usb/usb.h>
  2709                       # include <bus/usb/usbhid.h>
  2710                       #else
  2711                       # include <dev/usb/usb.h>
  2712                       # include <dev/usb/usbhid.h>
  2713                       #endif
  2714                       #if defined(HAVE_USBHID_H)
  2715                       #include <usbhid.h>
  2716                       #elif defined(HAVE_LIBUSB_H)
  2717                       #include <libusb.h>
  2718                       #elif defined(HAVE_LIBUSBHID_H)
  2719                       #include <libusbhid.h>
  2720                       #endif
  2721                     ],[
  2722                       struct usb_ctl_report buf;
  2723                       if (buf.ucr_data) { }
  2724                     ],[
  2725                     have_usbhid_ucr_data=yes
  2726                     ])
  2727                     if test x$have_usbhid_ucr_data = xyes; then
  2728                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
  2729                     fi
  2730                     AC_MSG_RESULT($have_usbhid_ucr_data)
  2731                     
  2732                     AC_MSG_CHECKING(for new usbhid API)
  2733                     have_usbhid_new=no
  2734                     AC_TRY_COMPILE([
  2735                       #include <sys/types.h>
  2736                       #if defined(HAVE_USB_H)
  2737                       #include <usb.h>
  2738                       #endif
  2739                       #ifdef __DragonFly__
  2740                       #include <bus/usb/usb.h>
  2741                       #include <bus/usb/usbhid.h>
  2742                       #else
  2743                       #include <dev/usb/usb.h>
  2744                       #include <dev/usb/usbhid.h>
  2745                       #endif
  2746                       #if defined(HAVE_USBHID_H)
  2747                       #include <usbhid.h>
  2748                       #elif defined(HAVE_LIBUSB_H)
  2749                       #include <libusb.h>
  2750                       #elif defined(HAVE_LIBUSBHID_H)
  2751                       #include <libusbhid.h>
  2752                       #endif
  2753                     ],[
  2754                       report_desc_t d;
  2755                       hid_start_parse(d, 1, 1);
  2756                     ],[
  2757                     have_usbhid_new=yes
  2758                     ])
  2759                     if test x$have_usbhid_new = xyes; then
  2760                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
  2761                     fi
  2762                     AC_MSG_RESULT($have_usbhid_new)
  2763 
  2764                     AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
  2765                     have_machine_joystick=no
  2766                     AC_TRY_COMPILE([
  2767                       #include <machine/joystick.h>
  2768                     ],[
  2769                       struct joystick t;
  2770                     ],[
  2771                     have_machine_joystick=yes
  2772                     ])
  2773                     if test x$have_machine_joystick = xyes; then
  2774                         AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H, 1, [ ])
  2775                     fi
  2776                     AC_MSG_RESULT($have_machine_joystick)
  2777 
  2778                     AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ])
  2779                     SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
  2780                     EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
  2781                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
  2782                     have_joystick=yes
  2783                 fi
  2784                 CFLAGS="$save_CFLAGS"
  2785             fi
  2786         ;;
  2787     esac
  2788 }
  2789 
  2790 dnl Check for clock_gettime()
  2791 CheckClockGettime()
  2792 {
  2793     AC_ARG_ENABLE(clock_gettime,
  2794 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),
  2795                   , enable_clock_gettime=yes)
  2796     if test x$enable_clock_gettime = xyes; then
  2797         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
  2798         if test x$have_clock_gettime = xyes; then
  2799             AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2800             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
  2801         else
  2802             AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes)
  2803             if test x$have_clock_gettime = xyes; then
  2804                AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2805                EXTRA_LDFLAGS="$EXTRA_LDFLAGS"
  2806             fi
  2807         fi
  2808     fi
  2809 }
  2810 
  2811 dnl Check for a valid linux/version.h
  2812 CheckLinuxVersion()
  2813 {
  2814     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
  2815     if test x$have_linux_version_h = xyes; then
  2816         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
  2817     fi
  2818 }
  2819 
  2820 dnl Check if we want to use RPATH
  2821 CheckRPATH()
  2822 {
  2823     AC_ARG_ENABLE(rpath,
  2824 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
  2825                   , enable_rpath=yes)
  2826 }
  2827 
  2828 dnl Do this on all platforms, before everything else (other things might want to override it).
  2829 CheckWarnAll
  2830 
  2831 dnl Set up the configuration based on the host platform!
  2832 case "$host" in
  2833     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*)
  2834         case "$host" in
  2835             *-raspberry-linux*)
  2836                 # Raspberry Pi
  2837                 ARCH=linux
  2838                 RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
  2839                 CFLAGS="$CFLAGS $RPI_CFLAGS"
  2840                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
  2841                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
  2842                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L/opt/vc/lib -lbcm_host -ldl"
  2843 
  2844                 if test x$enable_video = xyes; then
  2845                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
  2846                     # FIXME: confdefs? Not AC_DEFINE?
  2847                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
  2848                     SUMMARY_video="${SUMMARY_video} rpi"
  2849                 fi
  2850                 ;;
  2851             *-*-androideabi*)
  2852                 # Android
  2853                 ARCH=android
  2854                 ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"
  2855                 CFLAGS="$CFLAGS $ANDROID_CFLAGS"
  2856                 SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS"
  2857                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS"
  2858                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid"
  2859 
  2860                 if test x$enable_video = xyes; then
  2861                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
  2862                     # FIXME: confdefs? Not AC_DEFINE?
  2863                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
  2864                     SUMMARY_video="${SUMMARY_video} android"
  2865                 fi
  2866                 ;;
  2867             *-*-linux*)         ARCH=linux ;;
  2868             *-*-uclinux*)       ARCH=linux ;;
  2869             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
  2870             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
  2871             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
  2872             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
  2873             *-*-bsdi*)          ARCH=bsdi ;;
  2874             *-*-freebsd*)       ARCH=freebsd ;;
  2875             *-*-dragonfly*)     ARCH=freebsd ;;
  2876             *-raspberry-netbsd*)
  2877                 # Raspberry Pi
  2878                 ARCH=netbsd
  2879                 RPI_CFLAGS="-I/usr/pkg/include -I/usr/pkg/include/interface/vcos/pthreads -I/usr/pkg/include/interface/vmcs_host/linux"
  2880                 CFLAGS="$CFLAGS $RPI_CFLAGS"
  2881                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
  2882                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
  2883                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-R/usr/pkg/lib -L/usr/pkg/lib -lbcm_host -ldl"
  2884 
  2885                 if test x$enable_video = xyes; then
  2886                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
  2887                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
  2888                     SUMMARY_video="${SUMMARY_video} raspberry"
  2889                 fi
  2890                 ;;
  2891             *-*-netbsd*)        ARCH=netbsd ;;
  2892             *-*-openbsd*)       ARCH=openbsd ;;
  2893             *-*-sysv5*)         ARCH=sysv5 ;;
  2894             *-*-solaris*)       ARCH=solaris ;;
  2895             *-*-hpux*)          ARCH=hpux ;;
  2896             *-*-aix*)           ARCH=aix ;;
  2897             *-*-minix*)         ARCH=minix ;;
  2898         esac
  2899         CheckVisibilityHidden
  2900         CheckDeclarationAfterStatement
  2901         CheckDummyVideo
  2902         CheckDiskAudio
  2903         CheckDummyAudio
  2904         CheckDLOPEN
  2905         CheckOSS
  2906         CheckALSA
  2907         CheckPulseAudio
  2908         CheckARTSC
  2909         CheckESD
  2910         CheckNAS
  2911         CheckSNDIO
  2912         CheckX11
  2913         CheckDirectFB
  2914         CheckFusionSound
  2915         CheckOpenGLX11
  2916         CheckOpenGLESX11
  2917         CheckMir
  2918         CheckWayland
  2919         CheckLibUDev
  2920         CheckDBus
  2921         CheckIBus
  2922         case $ARCH in
  2923           linux)
  2924               CheckInputEvents
  2925               CheckInputKD
  2926           ;;
  2927         esac
  2928         CheckTslib
  2929         CheckUSBHID
  2930         CheckPTHREAD
  2931         CheckClockGettime
  2932         CheckLinuxVersion
  2933         CheckRPATH
  2934         CheckVivanteVideo
  2935         # Set up files for the audio library
  2936         if test x$enable_audio = xyes; then
  2937           case $ARCH in
  2938             sysv5|solaris|hpux)
  2939                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ])
  2940                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  2941                 have_audio=yes
  2942             ;;
  2943             netbsd)  # Don't use this on OpenBSD, it's busted.
  2944                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD, 1, [ ])
  2945                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
  2946                 have_audio=yes
  2947             ;;
  2948             aix)
  2949                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ])
  2950                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
  2951                 have_audio=yes
  2952             ;;
  2953             android)
  2954                 AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ])
  2955                 SOURCES="$SOURCES $srcdir/src/audio/android/*.c"
  2956                 SUMMARY_audio="${SUMMARY_audio} android"
  2957                 have_audio=yes
  2958             ;;
  2959           esac
  2960         fi
  2961         # Set up files for the joystick library
  2962         if test x$enable_joystick = xyes; then
  2963           case $ARCH in
  2964             linux)
  2965                 AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ])
  2966                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
  2967                 have_joystick=yes
  2968             ;;
  2969             android)
  2970                 AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ])
  2971                 SOURCES="$SOURCES $srcdir/src/joystick/android/*.c"
  2972                 have_joystick=yes
  2973             ;;
  2974           esac
  2975         fi
  2976         # Set up files for the haptic library
  2977         if test x$enable_haptic = xyes; then
  2978            if test x$use_input_events = xyes; then
  2979              case $ARCH in
  2980                linux)
  2981                    AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ])
  2982                    SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"
  2983                    have_haptic=yes
  2984                ;;
  2985              esac
  2986            fi
  2987         fi
  2988         # Set up files for the power library
  2989         if test x$enable_power = xyes; then
  2990              case $ARCH in
  2991                linux)
  2992                    AC_DEFINE(SDL_POWER_LINUX, 1, [ ])
  2993                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"
  2994                    have_power=yes
  2995                ;;
  2996                android)
  2997                    AC_DEFINE(SDL_POWER_ANDROID, 1, [ ])
  2998                    SOURCES="$SOURCES $srcdir/src/power/android/*.c"
  2999                    have_power=yes
  3000                ;;
  3001              esac
  3002         fi
  3003         # Set up files for the filesystem library
  3004         if test x$enable_filesystem = xyes; then
  3005              case $ARCH in
  3006                android)
  3007                    AC_DEFINE(SDL_FILESYSTEM_ANDROID, 1, [ ])
  3008                    SOURCES="$SOURCES $srcdir/src/filesystem/android/*.c"
  3009                    have_filesystem=yes
  3010                ;;
  3011                *)
  3012                    AC_DEFINE(SDL_FILESYSTEM_UNIX, 1, [ ])
  3013                    SOURCES="$SOURCES $srcdir/src/filesystem/unix/*.c"
  3014                    have_filesystem=yes
  3015                ;;
  3016              esac
  3017         fi
  3018         # Set up files for the timer library
  3019         if test x$enable_timers = xyes; then
  3020             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3021             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3022             have_timers=yes
  3023         fi
  3024         # Set up files for udev hotplugging support
  3025         if test x$enable_libudev = xyes && test x$have_libudev_h_hdr = xyes; then
  3026             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_udev.c"               
  3027         fi
  3028         # Set up files for evdev input
  3029         if test x$use_input_events = xyes; then
  3030             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev.c"
  3031         fi       
  3032         ;;
  3033     *-*-cygwin* | *-*-mingw32*)
  3034         ARCH=win32
  3035         if test "$build" != "$host"; then # cross-compiling
  3036             # Default cross-compile location
  3037             ac_default_prefix=/usr/local/cross-tools/$host
  3038         else
  3039             # Look for the location of the tools and install there
  3040             if test "$BUILD_PREFIX" != ""; then
  3041                 ac_default_prefix=$BUILD_PREFIX
  3042             fi
  3043         fi
  3044         CheckDummyVideo
  3045         CheckDiskAudio
  3046         CheckDummyAudio
  3047         CheckWINDOWS
  3048         CheckWINDOWSGL
  3049         CheckWINDOWSGLES
  3050         CheckDIRECTX
  3051 
  3052         # Set up the core platform files
  3053         SOURCES="$SOURCES $srcdir/src/core/windows/*.c"
  3054 
  3055         # Set up files for the video library
  3056         if test x$enable_video = xyes; then
  3057             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])
  3058             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
  3059             have_video=yes
  3060             AC_ARG_ENABLE(render-d3d,
  3061 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
  3062                                 , enable_render_d3d=yes)
  3063             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
  3064                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])
  3065             fi
  3066             if test x$enable_render_d3d = xyes -a x$have_d3d11 = xyes; then
  3067                 AC_DEFINE(SDL_VIDEO_RENDER_D3D11, 1, [ ])
  3068             fi
  3069         fi
  3070         # Set up files for the audio library
  3071         if test x$enable_audio = xyes; then
  3072             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])
  3073             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"
  3074             if test x$have_dsound = xyes; then
  3075                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])
  3076                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"
  3077             fi
  3078             if test x$have_xaudio2 = xyes; then
  3079                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
  3080                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
  3081             fi
  3082             have_audio=yes
  3083         fi
  3084         # Set up files for the joystick library
  3085         if test x$enable_joystick = xyes; then
  3086             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
  3087                 if test x$have_xinput = xyes; then
  3088                     AC_DEFINE(SDL_JOYSTICK_XINPUT, 1, [ ])
  3089                 fi
  3090                 if test x$have_dinput = xyes; then
  3091                     AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ])
  3092                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8"
  3093                 fi
  3094             else
  3095                 AC_DEFINE(SDL_JOYSTICK_WINMM, 1, [ ])
  3096             fi
  3097             SOURCES="$SOURCES $srcdir/src/joystick/windows/*.c"
  3098             have_joystick=yes
  3099         fi
  3100         if test x$enable_haptic = xyes; then
  3101             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
  3102                 if test x$have_xinput = xyes; then
  3103                     AC_DEFINE(SDL_HAPTIC_XINPUT, 1, [ ])
  3104                 fi
  3105                 if test x$have_dinput = xyes; then
  3106                     AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ])
  3107                 fi
  3108                 SOURCES="$SOURCES $srcdir/src/haptic/windows/*.c"
  3109                 have_haptic=yes
  3110             fi
  3111         fi
  3112         if test x$enable_power = xyes; then
  3113             AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ])
  3114             SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c"
  3115             have_power=yes
  3116         fi
  3117         if test x$enable_filesystem = xyes; then
  3118             AC_DEFINE(SDL_FILESYSTEM_WINDOWS, 1, [ ])
  3119             SOURCES="$SOURCES $srcdir/src/filesystem/windows/SDL_sysfilesystem.c"
  3120             have_filesystem=yes
  3121         fi
  3122         # Set up files for the thread library
  3123         if test x$enable_threads = xyes; then
  3124             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])
  3125             SOURCES="$SOURCES $srcdir/src/thread/windows/*.c"
  3126             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  3127             have_threads=yes
  3128         fi
  3129         # Set up files for the timer library
  3130         if test x$enable_timers = xyes; then
  3131             AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ])
  3132             SOURCES="$SOURCES $srcdir/src/timer/windows/*.c"
  3133             have_timers=yes
  3134         fi
  3135         # Set up files for the shared object loading library
  3136         if test x$enable_loadso = xyes; then
  3137             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])
  3138             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"
  3139             have_loadso=yes
  3140         fi
  3141         # Set up the system libraries we need
  3142         if test -f /lib/w32api/libuuid.a; then
  3143             LIBUUID=/lib/w32api/libuuid.a
  3144         else
  3145             LIBUUID=-luuid
  3146         fi
  3147         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion $LIBUUID -static-libgcc"
  3148         # The Windows platform requires special setup
  3149         VERSION_SOURCES="$srcdir/src/main/windows/*.rc"
  3150         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
  3151         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
  3152         SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows"
  3153 
  3154         # Check to see if this is a mingw or cygwin build
  3155         have_mingw32=
  3156         AC_CHECK_LIB(mingw32, main, [have_mingw32=yes])
  3157         if test x$have_mingw32 = xyes; then
  3158             SDL_LIBS="-lmingw32 $SDL_LIBS"
  3159         else
  3160             SDL_LIBS="-lcygwin $SDL_LIBS"
  3161         fi
  3162         ;;
  3163 
  3164     dnl BeOS support removed after SDL 2.0.1. Haiku still works.  --ryan.
  3165     *-*-beos*)
  3166         AC_MSG_ERROR([
  3167 *** BeOS support has been removed as of SDL 2.0.2.
  3168         ])
  3169         ;;
  3170 
  3171     *-*-haiku*)
  3172         ARCH=haiku
  3173         ac_default_prefix=/boot/system
  3174         CheckDummyVideo
  3175         CheckDiskAudio
  3176         CheckDummyAudio
  3177         CheckHaikuVideo
  3178         CheckHaikuGL
  3179         CheckPTHREAD
  3180 
  3181         # Set up files for the audio library
  3182         if test x$enable_audio = xyes; then
  3183             AC_DEFINE(SDL_AUDIO_DRIVER_HAIKU, 1, [ ])
  3184             SOURCES="$SOURCES $srcdir/src/audio/haiku/*.cc"
  3185             have_audio=yes
  3186         fi
  3187         # Set up files for the joystick library
  3188         if test x$enable_joystick = xyes; then
  3189             AC_DEFINE(SDL_JOYSTICK_HAIKU, 1, [ ])
  3190             SOURCES="$SOURCES $srcdir/src/joystick/haiku/*.cc"
  3191             have_joystick=yes
  3192         fi
  3193         # Set up files for the timer library
  3194         if test x$enable_timers = xyes; then
  3195             AC_DEFINE(SDL_TIMER_HAIKU, 1, [ ])
  3196             SOURCES="$SOURCES $srcdir/src/timer/haiku/*.c"
  3197             have_timers=yes
  3198         fi
  3199         # Set up files for the shared object loading library
  3200         if test x$enable_loadso = xyes; then
  3201             AC_DEFINE(SDL_LOADSO_HAIKU, 1, [ ])
  3202             SOURCES="$SOURCES $srcdir/src/loadso/haiku/*.c"
  3203             have_loadso=yes
  3204         fi
  3205         # Set up files for the system power library
  3206         if test x$enable_power = xyes; then
  3207             AC_DEFINE(SDL_POWER_HAIKU, 1, [ ])
  3208             SOURCES="$SOURCES $srcdir/src/power/haiku/*.c"
  3209             have_power=yes
  3210         fi
  3211         # Set up files for the system filesystem library
  3212         if test x$enable_filesystem = xyes; then
  3213             AC_DEFINE(SDL_FILESYSTEM_HAIKU, 1, [ ])
  3214             SOURCES="$SOURCES $srcdir/src/filesystem/haiku/*.cc"
  3215             have_filesystem=yes
  3216         fi
  3217         # The Haiku platform requires special setup.
  3218         SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES"
  3219         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
  3220         ;;
  3221     arm*-apple-darwin*)
  3222         # iOS - We are not writing anything to confdefs.h because you have to replace
  3223         # SDL_config.h for SDL_config_iphoneos.h anyway
  3224         ARCH=ios
  3225 
  3226         CheckVisibilityHidden
  3227         CheckDeclarationAfterStatement
  3228         CheckDummyVideo
  3229         CheckDiskAudio
  3230         CheckDummyAudio
  3231         CheckDLOPEN
  3232         CheckCOCOA
  3233         CheckPTHREAD
  3234 
  3235 
  3236         # Set up files for the audio library
  3237         if test x$enable_audio = xyes; then
  3238             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  3239             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3240             have_audio=yes
  3241         fi
  3242         # Set up files for the joystick library
  3243         if test x$enable_joystick = xyes; then
  3244             SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m"
  3245             have_joystick=yes
  3246         fi
  3247         # Set up files for the haptic library
  3248         #if test x$enable_haptic = xyes; then
  3249         #    SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3250         #    have_haptic=yes
  3251         #    EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3252         #fi
  3253         # Set up files for the power library
  3254         if test x$enable_power = xyes; then
  3255             SOURCES="$SOURCES $srcdir/src/power/uikit/*.m"
  3256             have_power=yes
  3257         fi
  3258         # Set up files for the filesystem library
  3259         if test x$enable_filesystem = xyes; then
  3260             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3261             have_filesystem=yes
  3262         fi
  3263         # Set up files for the timer library
  3264         if test x$enable_timers = xyes; then
  3265             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3266             have_timers=yes
  3267         fi
  3268         # Set up additional files for the file library
  3269         if test x$enable_file = xyes; then
  3270             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3271         fi
  3272         # The iOS platform requires special setup.
  3273         SOURCES="$SOURCES $srcdir/src/video/uikit/*.m"
  3274         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3275         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -liconv -lobjc"
  3276         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Foundation"
  3277         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"
  3278         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGLES"
  3279         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"
  3280         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio"
  3281         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox"
  3282         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreGraphics"
  3283         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreMotion"
  3284         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,GameController"
  3285         ;;
  3286     *-*-darwin* )
  3287         # This could be either full "Mac OS X", or plain "Darwin" which is
  3288         # just the OS X kernel sans upper layers like Carbon and Cocoa.
  3289         # Next line is broken, and a few files below require Mac OS X (full)
  3290         ARCH=macosx
  3291 
  3292         # Mac OS X builds with both the Carbon and OSX APIs at the moment
  3293         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
  3294         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
  3295 
  3296         CheckVisibilityHidden
  3297         CheckDeclarationAfterStatement
  3298         CheckDummyVideo
  3299         CheckDiskAudio
  3300         CheckDummyAudio
  3301         CheckDLOPEN
  3302         CheckCOCOA
  3303         CheckX11
  3304         CheckMacGL
  3305         CheckOpenGLX11
  3306         CheckPTHREAD
  3307 
  3308         # Set up files for the audio library
  3309         if test x$enable_audio = xyes; then
  3310             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
  3311             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  3312             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3313             have_audio=yes
  3314         fi
  3315         # Set up files for the joystick library
  3316         if test x$enable_joystick = xyes; then
  3317             AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ])
  3318             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
  3319             have_joystick=yes
  3320         fi
  3321         # Set up files for the haptic library
  3322         if test x$enable_haptic = xyes; then
  3323             AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ])
  3324             SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3325             have_haptic=yes
  3326             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3327         fi
  3328         # Set up files for the power library
  3329         if test x$enable_power = xyes; then
  3330             AC_DEFINE(SDL_POWER_MACOSX, 1, [ ])
  3331             SOURCES="$SOURCES $srcdir/src/power/macosx/*.c"
  3332             have_power=yes
  3333         fi
  3334         # Set up files for the filesystem library
  3335         if test x$enable_filesystem = xyes; then
  3336             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])
  3337             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3338             have_filesystem=yes
  3339         fi
  3340         # Set up files for the timer library
  3341         if test x$enable_timers = xyes; then
  3342             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3343             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3344             have_timers=yes
  3345         fi
  3346         # Set up additional files for the file library
  3347         if test x$enable_file = xyes; then
  3348             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3349         fi
  3350         # The Mac OS X platform requires special setup.
  3351         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3352         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc"
  3353         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreVideo"
  3354         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
  3355         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
  3356         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
  3357         # If audio is used, add the AudioUnit framework
  3358         if test x$enable_audio = xyes; then
  3359             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit"
  3360         fi
  3361         ;;
  3362     *-nacl|*-pnacl)
  3363         ARCH=nacl
  3364         CheckNativeClient
  3365         CheckDummyAudio
  3366         CheckDummyVideo
  3367         CheckInputEvents
  3368         CheckPTHREAD
  3369         
  3370         # Set up files for the timer library
  3371         if test x$enable_timers = xyes; then
  3372             AC_DEFINE(SDL_TIMER_UNIX)
  3373             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3374             have_timers=yes
  3375         fi
  3376         
  3377         if test x$enable_filesystem = xyes; then
  3378             AC_DEFINE(SDL_FILESYSTEM_NACL, 1, [ ])
  3379             SOURCES="$SOURCES $srcdir/src/filesystem/nacl/*.c"
  3380             have_filesystem=yes
  3381         fi
  3382         ;;
  3383     *-*-emscripten* )
  3384         if test x$enable_video = xyes; then
  3385             AC_DEFINE(SDL_VIDEO_DRIVER_EMSCRIPTEN, 1, [ ])
  3386             SOURCES="$SOURCES $srcdir/src/video/emscripten/*.c"
  3387             have_video=yes
  3388             SUMMARY_video="${SUMMARY_video} emscripten"
  3389         fi
  3390 
  3391         if test x$enable_audio = xyes; then
  3392             AC_DEFINE(SDL_AUDIO_DRIVER_EMSCRIPTEN, 1, [ ])
  3393             SOURCES="$SOURCES $srcdir/src/audio/emscripten/*.c"
  3394             have_audio=yes
  3395             SUMMARY_audio="${SUMMARY_audio} emscripten"
  3396         fi
  3397 
  3398         CheckVisibilityHidden
  3399         CheckDeclarationAfterStatement
  3400         CheckDummyVideo
  3401         CheckDiskAudio
  3402         CheckDummyAudio
  3403         CheckDLOPEN
  3404         CheckClockGettime
  3405         CheckEmscriptenGLES
  3406 
  3407          # Set up files for the power library
  3408         if test x$enable_power = xyes; then
  3409             AC_DEFINE(SDL_POWER_EMSCRIPTEN, 1, [ ])
  3410             SOURCES="$SOURCES $srcdir/src/power/emscripten/*.c"
  3411             have_power=yes
  3412         fi
  3413         
  3414         # Set up files for the power library
  3415         if test x$enable_joystick = xyes; then
  3416             AC_DEFINE(SDL_JOYSTICK_EMSCRIPTEN, 1, [ ])
  3417             SOURCES="$SOURCES $srcdir/src/joystick/emscripten/*.c"
  3418             have_joystick=yes
  3419         fi
  3420 
  3421         # Set up files for the filesystem library
  3422         if test x$enable_filesystem = xyes; then
  3423             AC_DEFINE(SDL_FILESYSTEM_EMSCRIPTEN, 1, [ ])
  3424             SOURCES="$SOURCES $srcdir/src/filesystem/emscripten/*.c"
  3425             have_filesystem=yes
  3426         fi
  3427         # Set up files for the timer library
  3428         if test x$enable_timers = xyes; then
  3429             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3430             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3431             have_timers=yes
  3432         fi
  3433         ;;
  3434     *)
  3435         AC_MSG_ERROR([
  3436 *** Unsupported host:  Please add to configure.in
  3437         ])
  3438         ;;
  3439 esac
  3440 
  3441 # Verify that we have all the platform specific files we need
  3442 
  3443 if test x$have_joystick != xyes; then
  3444     if test x$enable_joystick = xyes; then
  3445         AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
  3446     fi
  3447     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
  3448 fi
  3449 if test x$have_haptic != xyes; then
  3450     if test x$enable_haptic = xyes; then
  3451         AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
  3452     fi
  3453     SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c"
  3454 fi
  3455 if test x$have_threads != xyes; then
  3456     if test x$enable_threads = xyes; then
  3457         AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
  3458     fi
  3459     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
  3460 fi
  3461 if test x$have_timers != xyes; then
  3462     if test x$enable_timers = xyes; then
  3463         AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
  3464     fi
  3465     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
  3466 fi
  3467 if test x$have_filesystem != xyes; then
  3468     if test x$enable_filesystem = xyes; then
  3469         AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
  3470     fi
  3471     SOURCES="$SOURCES $srcdir/src/filesystem/dummy/*.c"
  3472 fi
  3473 if test x$have_loadso != xyes; then
  3474     if test x$enable_loadso = xyes; then
  3475         AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
  3476     fi
  3477     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
  3478 fi
  3479 if test x$SDLMAIN_SOURCES = x; then
  3480     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
  3481 fi
  3482 SDLTEST_SOURCES="$srcdir/src/test/*.c"
  3483 
  3484 OBJECTS=`echo $SOURCES`
  3485 DEPENDS=`echo $SOURCES | tr ' ' '\n'`
  3486 for EXT in asm cc m c S; do
  3487     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`
  3488     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\
  3489 \\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
  3490 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3491 done
  3492 
  3493 VERSION_OBJECTS=`echo $VERSION_SOURCES`
  3494 VERSION_DEPENDS=`echo $VERSION_SOURCES`
  3495 VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
  3496 VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\
  3497 \\$(objects)/\\2.o: \\1/\\2.rc\\\\
  3498 	\\$(WINDRES) \\$< \\$@,g"`
  3499 
  3500 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
  3501 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
  3502 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3503 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3504 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3505 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3506 
  3507 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`
  3508 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`
  3509 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3510 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3511 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3512 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3513 
  3514 # Set runtime shared library paths as needed
  3515 
  3516 if test "x$enable_rpath" = "xyes"; then
  3517   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
  3518     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
  3519 
  3520     AC_MSG_CHECKING(for linker option --enable-new-dtags)
  3521     have_enable_new_dtags=no
  3522     save_LDFLAGS="$LDFLAGS"
  3523     LDFLAGS="$LDFLAGS -Wl,--enable-new-dtags"
  3524     AC_TRY_LINK([
  3525     ],[
  3526     ],[
  3527     have_enable_new_dtags=yes
  3528     SDL_RLD_FLAGS="$SDL_RLD_FLAGS -Wl,--enable-new-dtags"
  3529     ])
  3530     LDFLAGS="$save_LDFLAGS"
  3531     AC_MSG_RESULT($have_enable_new_dtags)
  3532   fi
  3533   if test $ARCH = solaris; then
  3534     SDL_RLD_FLAGS="-R\${libdir}"
  3535   fi
  3536 else
  3537   SDL_RLD_FLAGS=""
  3538 fi
  3539 
  3540 SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
  3541 
  3542 dnl Expand the cflags and libraries needed by apps using SDL
  3543 AC_SUBST(SDL_CFLAGS)
  3544 AC_SUBST(SDL_LIBS)
  3545 AC_SUBST(SDL_STATIC_LIBS)
  3546 AC_SUBST(SDL_RLD_FLAGS)
  3547 if test x$enable_shared = xyes; then
  3548     ENABLE_SHARED_TRUE=
  3549     ENABLE_SHARED_FALSE="#"
  3550 else
  3551     ENABLE_SHARED_TRUE="#"
  3552     ENABLE_SHARED_FALSE=
  3553 fi
  3554 if test x$enable_static = xyes; then
  3555     ENABLE_STATIC_TRUE=
  3556     ENABLE_STATIC_FALSE="#"
  3557 else
  3558     ENABLE_STATIC_TRUE="#"
  3559     ENABLE_STATIC_FALSE=
  3560 fi
  3561 AC_SUBST(ENABLE_SHARED_TRUE)
  3562 AC_SUBST(ENABLE_SHARED_FALSE)
  3563 AC_SUBST(ENABLE_STATIC_TRUE)
  3564 AC_SUBST(ENABLE_STATIC_FALSE)
  3565 
  3566 dnl Expand the sources and objects needed to build the library
  3567 AC_SUBST(ac_aux_dir)
  3568 AC_SUBST(INCLUDE)
  3569 AC_SUBST(OBJECTS)
  3570 AC_SUBST(VERSION_OBJECTS)
  3571 AC_SUBST(SDLMAIN_OBJECTS)
  3572 AC_SUBST(SDLTEST_OBJECTS)
  3573 AC_SUBST(BUILD_CFLAGS)
  3574 AC_SUBST(EXTRA_CFLAGS)
  3575 AC_SUBST(BUILD_LDFLAGS)
  3576 AC_SUBST(EXTRA_LDFLAGS)
  3577 AC_SUBST(WINDRES)
  3578 
  3579 cat >Makefile.rules <<__EOF__
  3580 
  3581 # Build rules for objects
  3582 -include \$(OBJECTS:.lo=.d)
  3583 
  3584 # Special dependency for SDL.c, since it depends on SDL_revision.h
  3585 $srcdir/src/SDL.c: update-revision
  3586 $DEPENDS
  3587 $VERSION_DEPENDS
  3588 $SDLMAIN_DEPENDS
  3589 $SDLTEST_DEPENDS
  3590 __EOF__
  3591 
  3592 AC_CONFIG_FILES([
  3593     Makefile:Makefile.in:Makefile.rules sdl2-config sdl2-config.cmake SDL2.spec sdl2.pc
  3594 ])
  3595 AC_CONFIG_COMMANDS([sdl2_config],[chmod a+x sdl2-config])
  3596 
  3597 SUMMARY="SDL2 Configure Summary:\n"
  3598 if test x$enable_shared = xyes; then
  3599     SUMMARY="${SUMMARY}Building Shared Libraries\n"
  3600 fi
  3601 if test x$enable_static = xyes; then
  3602     SUMMARY="${SUMMARY}Building Static Libraries\n"
  3603 fi
  3604 SUMMARY="${SUMMARY}Enabled modules :${SUMMARY_modules}\n"
  3605 SUMMARY="${SUMMARY}Assembly Math   :${SUMMARY_math}\n" 
  3606 SUMMARY="${SUMMARY}Audio drivers   :${SUMMARY_audio}\n"
  3607 SUMMARY="${SUMMARY}Video drivers   :${SUMMARY_video}\n"
  3608 if test x$have_x = xyes; then
  3609     SUMMARY="${SUMMARY}X11 libraries   :${SUMMARY_video_x11}\n"
  3610 fi
  3611 SUMMARY="${SUMMARY}Input drivers   :${SUMMARY_input}\n"
  3612 if test x$enable_libudev = xyes; then
  3613     SUMMARY="${SUMMARY}Using libudev   : YES\n"
  3614 else
  3615     SUMMARY="${SUMMARY}Using libudev   : NO\n"
  3616 fi
  3617 if test x$have_dbus_dbus_h_hdr = xyes; then
  3618     SUMMARY="${SUMMARY}Using dbus      : YES\n"
  3619 else
  3620     SUMMARY="${SUMMARY}Using dbus      : NO\n"
  3621 fi
  3622 if test x$have_ibus_ibus_h_hdr = xyes; then
  3623     SUMMARY="${SUMMARY}Using ibus      : YES\n"
  3624 else
  3625     SUMMARY="${SUMMARY}Using ibus      : NO\n"
  3626 fi
  3627 AC_CONFIG_COMMANDS([summary], [echo -en "$SUMMARY"], [SUMMARY="$SUMMARY"])
  3628 
  3629 AC_OUTPUT