configure.in
author Sam Lantinga <slouken@libsdl.org>
Fri, 06 Jan 2017 20:43:53 -0800
changeset 10777 2883d23b5a28
parent 10660 1ae4e8001b73
child 10787 2a0bcfc4d35c
permissions -rw-r--r--
Added configure and cmake support for libsamplerate
     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="$CFLAGS"
     9 
    10 dnl Set various version strings - taken gratefully from the GTk sources
    11 #
    12 # Making releases:
    13 # Edit include/SDL_version.h and change the version, then:
    14 #   SDL_MICRO_VERSION += 1;
    15 #   SDL_INTERFACE_AGE += 1;
    16 #   SDL_BINARY_AGE += 1;
    17 # if any functions have been added, set SDL_INTERFACE_AGE to 0.
    18 # if backwards compatibility has been broken,
    19 # set SDL_BINARY_AGE and SDL_INTERFACE_AGE to 0.
    20 #
    21 SDL_MAJOR_VERSION=2
    22 SDL_MINOR_VERSION=0
    23 SDL_MICRO_VERSION=5
    24 SDL_INTERFACE_AGE=0
    25 SDL_BINARY_AGE=5
    26 SDL_VERSION=$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$ac_cv_func_strtod = xyes; then
   260         AC_DEFINE(HAVE_STRTOD, 1, [ ])
   261     fi
   262     AC_CHECK_FUNC(mprotect,
   263         AC_TRY_COMPILE([
   264           #include <sys/types.h>
   265           #include <sys/mman.h>
   266         ],[
   267         ],[
   268         AC_DEFINE(HAVE_MPROTECT, 1, [ ])
   269         ]),
   270     )
   271     AC_CHECK_FUNCS(malloc calloc realloc free getenv setenv putenv unsetenv qsort abs bcopy memset memcpy memmove strlen strlcpy strlcat strdup _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp vsscanf vsnprintf fseeko fseeko64 sigaction setjmp nanosleep sysconf sysctlbyname getauxval)
   272 
   273     AC_CHECK_LIB(m, pow, [LIBS="$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$enable_alsa = xyes; then
   773         AM_PATH_ALSA(1.0.11, have_alsa=yes, have_alsa=no)
   774         # Restore all flags from before the ALSA detection runs
   775         CFLAGS="$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 $SNDIO_CFLAGS"
  1047             have_audio=yes
  1048         fi
  1049     fi
  1050 }
  1051 
  1052 dnl Find FusionSound
  1053 CheckFusionSound()
  1054 {
  1055     AC_ARG_ENABLE(fusionsound,
  1056 AC_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [[default=no]]]),
  1057                   , enable_fusionsound=no)
  1058     if test x$enable_audio = xyes -a x$enable_fusionsound = xyes; then
  1059         fusionsound=no
  1060 
  1061         FUSIONSOUND_REQUIRED_VERSION=1.1.1
  1062 
  1063         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1064         AC_MSG_CHECKING(for FusionSound $FUSIONSOUND_REQUIRED_VERSION support)
  1065         if test x$PKG_CONFIG != xno; then
  1066             if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $FUSIONSOUND_REQUIRED_VERSION fusionsound; then
  1067                 FUSIONSOUND_CFLAGS=`$PKG_CONFIG --cflags fusionsound`
  1068                 FUSIONSOUND_LIBS=`$PKG_CONFIG --libs fusionsound`
  1069                 fusionsound=yes
  1070             fi
  1071         fi
  1072         AC_MSG_RESULT($fusionsound)
  1073 
  1074         if test x$fusionsound = xyes; then
  1075             AC_DEFINE(SDL_AUDIO_DRIVER_FUSIONSOUND, 1, [ ])
  1076             SOURCES="$SOURCES $srcdir/src/audio/fusionsound/*.c"
  1077             EXTRA_CFLAGS="$EXTRA_CFLAGS $FUSIONSOUND_CFLAGS"
  1078             
  1079             AC_ARG_ENABLE(fusionsound-shared,
  1080 AC_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [[default=yes]]]),
  1081                           , enable_fusionsound_shared=yes)
  1082             fusionsound_shared=no
  1083             AC_MSG_CHECKING(for FusionSound dynamic loading support)
  1084             if test x$have_loadso != xyes && \
  1085                test x$enable_fusionsound_shared = xyes; then
  1086                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic fusionsound loading])
  1087             fi
  1088             if test x$have_loadso = xyes && \
  1089                test x$enable_fusionsound_shared = xyes; then
  1090                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC, "libfusionsound.so", [ ])
  1091                 fusionsound_shared=yes
  1092                 SUMMARY_audio="${SUMMARY_audio} fusionsound(dynamic)"
  1093             else
  1094                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $FUSIONSOUND_LIBS"
  1095                 SUMMARY_audio="${SUMMARY_audio} fusionsound"
  1096             fi
  1097             AC_MSG_RESULT($fusionsound_shared)
  1098             
  1099             have_audio=yes
  1100         fi
  1101     fi
  1102 }
  1103 
  1104 dnl rcg07142001 See if the user wants the disk writer audio driver...
  1105 CheckDiskAudio()
  1106 {
  1107     AC_ARG_ENABLE(diskaudio,
  1108 AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
  1109                   , enable_diskaudio=yes)
  1110     if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then
  1111         AC_DEFINE(SDL_AUDIO_DRIVER_DISK, 1, [ ])
  1112         SOURCES="$SOURCES $srcdir/src/audio/disk/*.c"
  1113         SUMMARY_audio="${SUMMARY_audio} disk"
  1114     fi
  1115 }
  1116 
  1117 dnl rcg03142006 See if the user wants the dummy audio driver...
  1118 CheckDummyAudio()
  1119 {
  1120     AC_ARG_ENABLE(dummyaudio,
  1121 AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
  1122                   , enable_dummyaudio=yes)
  1123     if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then
  1124         AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY, 1, [ ])
  1125         SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c"
  1126         SUMMARY_audio="${SUMMARY_audio} dummy"
  1127     fi
  1128 }
  1129 
  1130 dnl See if libsamplerate is available
  1131 CheckLibSampleRate()
  1132 {
  1133     AC_ARG_ENABLE(libsamplerate,
  1134 AC_HELP_STRING([--enable-libsamplerate], [use libsamplerate for audio rate conversion [[default=yes]]]),
  1135                   , enable_libsamplerate=yes)
  1136     if test x$enable_libsamplerate = xyes; then
  1137         AC_CHECK_HEADER(samplerate.h,
  1138                         have_samplerate_h_hdr=yes,
  1139                         have_samplerate_h_hdr=no)
  1140         if test x$have_samplerate_h_hdr = xyes; then
  1141             AC_DEFINE(HAVE_LIBSAMPLERATE_H, 1, [ ])
  1142 
  1143             AC_ARG_ENABLE(libsamplerate-shared,
  1144 AC_HELP_STRING([--enable-libsamplerate-shared], [dynamically load libsamplerate [[default=yes]]]),
  1145                           , enable_libsamplerate_shared=yes)
  1146 
  1147             if test x$enable_libsamplerate_shared = xyes; then
  1148                 samplerate_lib=[`find_lib "libsamplerate.so.*" "" | sed 's/.*\/\(.*\)/\1/; q'`]
  1149                 if test x$samplerate_lib != x; then
  1150                     echo "-- dynamic samplerate -> $samplerate_lib"
  1151                     AC_DEFINE_UNQUOTED(SDL_LIBSAMPLERATE_DYNAMIC, "$samplerate_lib", [ ])
  1152                 fi
  1153             fi
  1154         fi
  1155     fi
  1156 }
  1157 
  1158 dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).
  1159 dnl  Details of this flag are here: http://gcc.gnu.org/wiki/Visibility
  1160 CheckVisibilityHidden()
  1161 {
  1162     AC_MSG_CHECKING(for GCC -fvisibility=hidden option)
  1163     have_gcc_fvisibility=no
  1164 
  1165     visibility_CFLAGS="-fvisibility=hidden"
  1166     save_CFLAGS="$CFLAGS"
  1167     CFLAGS="$save_CFLAGS $visibility_CFLAGS -Werror"
  1168     AC_TRY_COMPILE([
  1169     #if !defined(__GNUC__) || __GNUC__ < 4
  1170     #error SDL only uses visibility attributes in GCC 4 or newer
  1171     #endif
  1172     ],[
  1173     ],[
  1174     have_gcc_fvisibility=yes
  1175     ])
  1176     AC_MSG_RESULT($have_gcc_fvisibility)
  1177     CFLAGS="$save_CFLAGS"
  1178 
  1179     if test x$have_gcc_fvisibility = xyes; then
  1180         EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"
  1181     fi
  1182 }
  1183 
  1184 dnl See if GCC's -mpreferred-stack-boundary is supported.
  1185 dnl  Reference: http://bugzilla.libsdl.org/show_bug.cgi?id=1296
  1186 CheckStackBoundary()
  1187 {
  1188     AC_MSG_CHECKING(for GCC -mpreferred-stack-boundary option)
  1189     have_gcc_preferred_stack_boundary=no
  1190 
  1191     save_CFLAGS="$CFLAGS"
  1192     CFLAGS="$save_CFLAGS -mpreferred-stack-boundary=2"
  1193     AC_TRY_COMPILE([
  1194     int x = 0;
  1195     ],[
  1196     ],[
  1197     have_gcc_preferred_stack_boundary=yes
  1198     ])
  1199     AC_MSG_RESULT($have_gcc_preferred_stack_boundary)
  1200     CFLAGS="$save_CFLAGS"
  1201 
  1202     if test x$have_gcc_preferred_stack_boundary = xyes; then
  1203         EXTRA_CFLAGS="$EXTRA_CFLAGS -mpreferred-stack-boundary=2"
  1204     fi
  1205 }
  1206 
  1207 dnl See if GCC's -Wdeclaration-after-statement is supported.
  1208 dnl  This lets us catch things that would fail on a C89 compiler when using
  1209 dnl  a modern GCC.
  1210 CheckDeclarationAfterStatement()
  1211 {
  1212     AC_MSG_CHECKING(for GCC -Wdeclaration-after-statement option)
  1213     have_gcc_declaration_after_statement=no
  1214 
  1215     save_CFLAGS="$CFLAGS"
  1216     CFLAGS="$save_CFLAGS -Wdeclaration-after-statement -Werror=declaration-after-statement"
  1217     AC_TRY_COMPILE([
  1218     int x = 0;
  1219     ],[
  1220     ],[
  1221     have_gcc_declaration_after_statement=yes
  1222     ])
  1223     AC_MSG_RESULT($have_gcc_declaration_after_statement)
  1224     CFLAGS="$save_CFLAGS"
  1225 
  1226     if test x$have_gcc_declaration_after_statement = xyes; then
  1227         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wdeclaration-after-statement -Werror=declaration-after-statement"
  1228     fi
  1229 }
  1230 
  1231 dnl See if GCC's -Wall is supported.
  1232 CheckWarnAll()
  1233 {
  1234     AC_MSG_CHECKING(for GCC -Wall option)
  1235     have_gcc_Wall=no
  1236 
  1237     save_CFLAGS="$CFLAGS"
  1238     CFLAGS="$save_CFLAGS -Wall"
  1239     AC_TRY_COMPILE([
  1240     int x = 0;
  1241     ],[
  1242     ],[
  1243     have_gcc_Wall=yes
  1244     ])
  1245     AC_MSG_RESULT($have_gcc_Wall)
  1246     CFLAGS="$save_CFLAGS"
  1247 
  1248     if test x$have_gcc_Wall = xyes; then
  1249         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
  1250 
  1251         dnl Haiku headers use multicharacter constants all over the place. Ignore these warnings when using -Wall.
  1252         AC_MSG_CHECKING(for necessary GCC -Wno-multichar option)
  1253         need_gcc_Wno_multichar=no
  1254         case "$host" in
  1255             *-*-haiku*)
  1256                 need_gcc_Wno_multichar=yes
  1257                 ;;
  1258         esac
  1259         AC_MSG_RESULT($need_gcc_Wno_multichar)
  1260         if test x$need_gcc_Wno_multichar = xyes; then
  1261             EXTRA_CFLAGS="$EXTRA_CFLAGS -Wno-multichar"
  1262         fi
  1263     fi
  1264 }
  1265 
  1266 dnl Check for Wayland
  1267 CheckWayland()
  1268 {
  1269     AC_ARG_ENABLE(video-wayland,
  1270 AC_HELP_STRING([--enable-video-wayland], [use Wayland video driver [[default=yes]]]),
  1271                   ,enable_video_wayland=yes)
  1272 
  1273     AC_ARG_ENABLE(video-wayland-qt-touch,
  1274 AC_HELP_STRING([--enable-video-wayland-qt-touch], [QtWayland server support for Wayland video driver [[default=yes]]]),
  1275                   ,enable_video_wayland_qt_touch=yes)
  1276 
  1277     if test x$enable_video = xyes -a x$enable_video_wayland = xyes; then
  1278         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1279         AC_MSG_CHECKING(for Wayland support)
  1280         video_wayland=no
  1281         if  test x$PKG_CONFIG != xno && \
  1282             test x$video_opengl_egl = xyes && \
  1283             test x$video_opengles_v2 = xyes; then
  1284             if $PKG_CONFIG --exists wayland-client wayland-scanner wayland-protocols wayland-egl wayland-cursor egl xkbcommon ; then
  1285                 WAYLAND_CFLAGS=`$PKG_CONFIG --cflags wayland-client wayland-egl wayland-cursor xkbcommon`
  1286                 WAYLAND_LIBS=`$PKG_CONFIG --libs wayland-client wayland-egl wayland-cursor xkbcommon`
  1287                 WAYLAND_SCANNER=`$PKG_CONFIG --variable=wayland_scanner wayland-scanner`
  1288                 WAYLAND_CORE_PROTOCOL_DIR=`$PKG_CONFIG --variable=pkgdatadir wayland-client`
  1289                 WAYLAND_PROTOCOLS_DIR=`$PKG_CONFIG --variable=pkgdatadir wayland-protocols`
  1290                 video_wayland=yes
  1291             fi
  1292         fi
  1293         AC_MSG_RESULT($video_wayland)
  1294 
  1295         if test x$video_wayland = xyes; then
  1296             AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND, 1, [ ])
  1297             if test x$enable_video_wayland_qt_touch = xyes; then
  1298                 AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH, 1, [ ])
  1299             fi
  1300 
  1301             WAYLAND_PROTOCOLS_UNSTABLE="relative-pointer-unstable-v1 pointer-constraints-unstable-v1"
  1302 
  1303             SOURCES="$SOURCES $srcdir/src/video/wayland/*.c"
  1304             EXTRA_CFLAGS="$EXTRA_CFLAGS $WAYLAND_CFLAGS -I\$(gen)"
  1305             AC_ARG_ENABLE(wayland-shared,
  1306 AC_HELP_STRING([--enable-wayland-shared], [dynamically load Wayland support [[default=maybe]]]),
  1307                           , enable_wayland_shared=maybe)
  1308 
  1309             dnl FIXME: Do BSD and OS X need special cases?
  1310             case "$host" in
  1311                 *)
  1312                     wayland_client_lib=[`find_lib "libwayland-client.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1313                     wayland_egl_lib=[`find_lib "libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1314                     if test x$wayland_egl_lib = x; then
  1315                         dnl This works in Ubuntu 13.10, maybe others
  1316                         wayland_egl_lib=[`find_lib "mesa-egl/libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1317                     fi
  1318                     wayland_cursor_lib=[`find_lib "libwayland-cursor.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1319                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1320                     ;;
  1321             esac
  1322 
  1323             if test x$enable_wayland_shared = xmaybe; then
  1324                 enable_wayland_shared=yes
  1325             fi
  1326             if test x$have_loadso != xyes && \
  1327                test x$enable_wayland_shared = xyes; then
  1328                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Wayland loading])
  1329                 enable_wayland_shared=no
  1330             fi
  1331             if test x$have_loadso = xyes && \
  1332                test x$enable_wayland_shared = xyes && \
  1333                test x$wayland_client_lib != x && \
  1334                test x$wayland_egl_lib != x && \
  1335                test x$wayland_cursor_lib != x && \
  1336                test x$xkbcommon_lib != x; then
  1337                 echo "-- dynamic libwayland-client -> $wayland_client_lib"
  1338                 echo "-- dynamic libwayland-egl -> $wayland_egl_lib"
  1339                 echo "-- dynamic libwayland-cursor -> $wayland_cursor_lib"
  1340                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1341                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC, "$wayland_client_lib", [ ])
  1342                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_EGL, "$wayland_egl_lib", [ ])
  1343                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_CURSOR, "$wayland_cursor_lib", [ ])
  1344                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1345                 SUMMARY_video="${SUMMARY_video} wayland(dynamic)"
  1346             else
  1347                 enable_wayland_shared=no
  1348                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $WAYLAND_LIBS"
  1349                 SUMMARY_video="${SUMMARY_video} wayland"
  1350             fi
  1351             have_video=yes
  1352         fi
  1353     fi
  1354 }
  1355 
  1356 dnl Check for Mir
  1357 CheckMir()
  1358 {
  1359     AC_ARG_ENABLE(video-mir,
  1360 AC_HELP_STRING([--enable-video-mir], [use Mir video driver [[default=yes]]]),
  1361                   ,enable_video_mir=yes)
  1362 
  1363     if test x$enable_video = xyes -a x$enable_video_mir = xyes; then
  1364         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1365         AC_MSG_CHECKING(for Mir support)
  1366         video_mir=no
  1367         if test x$PKG_CONFIG != xno; then
  1368             if $PKG_CONFIG --exists mirclient egl xkbcommon ; then
  1369                 MIR_CFLAGS=`$PKG_CONFIG --cflags mirclient egl xkbcommon`
  1370                 MIR_LIBS=`$PKG_CONFIG --libs mirclient egl xkbcommon`
  1371                 save_CFLAGS="$CFLAGS"
  1372                 CFLAGS="$save_CFLAGS $MIR_CFLAGS"
  1373 
  1374                 dnl This will disable Mir if >= v0.25 is not available
  1375                 AC_TRY_COMPILE([
  1376                 #include <mir_toolkit/mir_client_library.h>
  1377                 ],[
  1378                     MirTouchAction actions = mir_touch_actions
  1379                 ],[
  1380                 video_mir=yes
  1381                 ])
  1382                 CFLAGS="$save_CFLAGS"
  1383             fi
  1384         fi
  1385         AC_MSG_RESULT($video_mir)
  1386 
  1387         if test x$video_mir = xyes; then
  1388             AC_DEFINE(SDL_VIDEO_DRIVER_MIR, 1, [ ])
  1389             SOURCES="$SOURCES $srcdir/src/video/mir/*.c"
  1390             EXTRA_CFLAGS="$EXTRA_CFLAGS $MIR_CFLAGS"
  1391             AC_ARG_ENABLE(mir-shared,
  1392 AC_HELP_STRING([--enable-mir-shared], [dynamically load Mir support [[default=maybe]]]),
  1393                           , enable_mir_shared=maybe)
  1394 
  1395             dnl FIXME: Do BSD and OS X need special cases?
  1396             case "$host" in
  1397                 *)
  1398                     mirclient_lib=[`find_lib "libmirclient.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1399                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1400                     ;;
  1401             esac
  1402 
  1403             if test x$enable_mir_shared = xmaybe; then
  1404                 enable_mir_shared=yes
  1405             fi
  1406             if test x$have_loadso != xyes && \
  1407                test x$enable_mir_shared = xyes; then
  1408                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Mir loading])
  1409                 enable_mir_shared=no
  1410             fi
  1411             if test x$have_loadso = xyes && \
  1412                test x$enable_mir_shared = xyes && \
  1413                test x$mirclient_lib != x && \
  1414                test x$xkbcommon_lib != x; then
  1415                 echo "-- dynamic libmirclient -> $mirclient_lib"
  1416                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1417                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC, "$mirclient_lib", [ ])
  1418                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1419                 SUMMARY_video="${SUMMARY_video} mir(dynamic)"
  1420             else
  1421                 enable_mir_shared=no
  1422                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MIR_LIBS"
  1423                 SUMMARY_video="${SUMMARY_video} mir"
  1424             fi
  1425             have_video=yes
  1426         fi
  1427     fi
  1428 }
  1429 
  1430 dnl Check for Native Client stuff
  1431 CheckNativeClient()
  1432 {
  1433         AC_TRY_COMPILE([
  1434           #if !defined(__native_client__)
  1435           #error "NO NACL"
  1436           #endif
  1437         ],[
  1438         ],[
  1439         AC_DEFINE(SDL_VIDEO_DRIVER_NACL)
  1440         AC_DEFINE(SDL_AUDIO_DRIVER_NACL)
  1441         AC_DEFINE(HAVE_POW, 1, [ ])
  1442         AC_DEFINE(HAVE_OPENGLES2, 1, [ ])
  1443         AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  1444         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  1445 
  1446         SDL_LIBS="-lppapi_simple -lppapi_gles2 $SDL_LIBS"
  1447 
  1448         SDLMAIN_SOURCES="$srcdir/src/main/nacl/*.c"
  1449         SOURCES="$SOURCES $srcdir/src/audio/nacl/*.c"
  1450         SUMMARY_audio="${SUMMARY_audio} nacl"
  1451         SOURCES="$SOURCES $srcdir/src/video/nacl/*.c"
  1452         SUMMARY_video="${SUMMARY_video} nacl opengles2"
  1453         ])
  1454 }
  1455 
  1456 
  1457 dnl Find the X11 include and library directories
  1458 CheckX11()
  1459 {
  1460 
  1461 
  1462     AC_ARG_ENABLE(video-x11,
  1463 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
  1464                   , enable_video_x11=yes)
  1465     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
  1466         case "$host" in
  1467             *-*-darwin*)
  1468                 # This isn't necessary for X11, but fixes GLX detection
  1469                 if test "x$x_includes" = xNONE && \
  1470                    test "x$x_libraries" = xNONE && \
  1471                    test -d /usr/X11R6/include && \
  1472                    test -d /usr/X11R6/lib; then
  1473                     x_includes="/usr/X11R6/include"
  1474                     x_libraries="/usr/X11R6/lib"
  1475                 fi
  1476                 ;;
  1477         esac
  1478         AC_PATH_X
  1479         AC_PATH_XTRA
  1480         if test x$have_x = xyes; then
  1481             AC_ARG_ENABLE(x11-shared,
  1482 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
  1483                           , enable_x11_shared=maybe)
  1484 
  1485             case "$host" in
  1486                 *-*-darwin*)
  1487                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
  1488                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
  1489                     xcursor_lib='/usr/X11R6/lib/libXcursor.1.dylib'
  1490                     xinerama_lib='/usr/X11R6/lib/libXinerama.1.dylib'
  1491                     xinput_lib='/usr/X11R6/lib/libXi.6.dylib'
  1492                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
  1493                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
  1494                     xss_lib='/usr/X11R6/lib/libXss.1.dylib'
  1495                     xvidmode_lib='/usr/X11R6/lib/libXxf86vm.1.dylib'
  1496                     ;;
  1497                 *-*-openbsd*)
  1498                     x11_lib='libX11.so'
  1499                     x11ext_lib='libXext.so'
  1500                     xcursor_lib='libXcursor.so'
  1501                     xinerama_lib='libXinerama.so'
  1502                     xinput_lib='libXi.so'
  1503                     xrandr_lib='libXrandr.so'
  1504                     xrender_lib='libXrender.so'
  1505                     xss_lib='libXss.so'
  1506                     xvidmode_lib='libXxf86vm.so'
  1507                     ;;
  1508                 *)
  1509                     x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1510                     x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1511                     xcursor_lib=[`find_lib "libXcursor.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1512                     xinerama_lib=[`find_lib "libXinerama.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1513                     xinput_lib=[`find_lib "libXi.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1514                     xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1515                     xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1516                     xss_lib=[`find_lib "libXss.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1517                     xvidmode_lib=[`find_lib "libXxf86vm.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1518                     ;;
  1519             esac
  1520 
  1521             if test x$ac_cv_func_shmat != xyes; then
  1522                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
  1523             fi
  1524             CFLAGS="$CFLAGS $X_CFLAGS"
  1525             LDFLAGS="$LDFLAGS $X_LIBS"
  1526 
  1527             AC_CHECK_HEADER(X11/extensions/Xext.h,
  1528                             have_xext_h_hdr=yes,
  1529                             have_xext_h_hdr=no,
  1530                             [#include <X11/Xlib.h>
  1531                              #include <X11/Xproto.h>
  1532                             ])
  1533             if test x$have_xext_h_hdr != xyes; then
  1534                AC_MSG_ERROR([
  1535 *** Missing Xext.h, maybe you need to install the libxext-dev package?
  1536                ])
  1537             fi
  1538 
  1539             AC_DEFINE(SDL_VIDEO_DRIVER_X11, 1, [ ])
  1540             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
  1541             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
  1542 
  1543             # Needed so SDL applications can include SDL_syswm.h
  1544             SDL_CFLAGS="$SDL_CFLAGS $X_CFLAGS"
  1545 
  1546             if test x$enable_x11_shared = xmaybe; then
  1547                 enable_x11_shared=yes
  1548             fi
  1549             if test x$have_loadso != xyes && \
  1550                test x$enable_x11_shared = xyes; then
  1551                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
  1552                 enable_x11_shared=no
  1553             fi
  1554             if test x$have_loadso = xyes && \
  1555                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
  1556                 echo "-- dynamic libX11 -> $x11_lib"
  1557                 echo "-- dynamic libX11ext -> $x11ext_lib"
  1558                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib", [ ])
  1559                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib", [ ])
  1560                 SUMMARY_video="${SUMMARY_video} x11(dynamic)"
  1561             else
  1562                 enable_x11_shared=no
  1563                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
  1564                 SUMMARY_video="${SUMMARY_video} x11"
  1565             fi
  1566             have_video=yes
  1567 
  1568             AC_MSG_CHECKING(for const parameter to XextAddDisplay)
  1569             have_const_param_XextAddDisplay=no
  1570             AC_TRY_COMPILE([
  1571               #include <X11/Xlib.h>
  1572               #include <X11/Xproto.h>
  1573               #include <X11/extensions/Xext.h>
  1574               #include <X11/extensions/extutil.h>
  1575               extern XExtDisplayInfo* XextAddDisplay(XExtensionInfo* a,Display* b,_Xconst char* c,XExtensionHooks* d,int e,XPointer f);
  1576             ],[
  1577             ],[
  1578             have_const_param_XextAddDisplay=yes
  1579             AC_DEFINE(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY)
  1580             ])
  1581             AC_MSG_RESULT($have_const_param_XextAddDisplay)
  1582 
  1583             dnl AC_CHECK_LIB(X11, XGetEventData, AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS, 1, [Have XGenericEvent]))
  1584             AC_MSG_CHECKING([for XGenericEvent])
  1585             have_XGenericEvent=no
  1586             AC_TRY_COMPILE([
  1587               	#include <X11/Xlib.h>
  1588             ],[
  1589 Display *display;
  1590 XEvent event;
  1591 XGenericEventCookie *cookie = &event.xcookie;
  1592 XNextEvent(display, &event);
  1593 XGetEventData(display, cookie);
  1594 XFreeEventData(display, cookie);
  1595             ],[
  1596                 have_XGenericEvent=yes
  1597                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS)
  1598             ])
  1599             AC_MSG_RESULT($have_XGenericEvent)
  1600 
  1601             AC_CHECK_LIB(X11, XkbKeycodeToKeysym, AC_DEFINE(SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM, 1, [Have XkbKeycodeToKeysym]))
  1602 
  1603             AC_ARG_ENABLE(video-x11-xcursor,
  1604 AC_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [[default=yes]]]),
  1605                             , enable_video_x11_xcursor=yes)
  1606             if test x$enable_video_x11_xcursor = xyes; then
  1607                 definitely_enable_video_x11_xcursor=no
  1608                 AC_CHECK_HEADER(X11/Xcursor/Xcursor.h,
  1609                                 have_xcursor_h_hdr=yes,
  1610                                 have_xcursor_h_hdr=no,
  1611                                 [#include <X11/Xlib.h>
  1612                                 ])
  1613                 if test x$have_xcursor_h_hdr = xyes; then
  1614                     if test x$enable_x11_shared = xyes && test x$xcursor_lib != x ; then
  1615                         echo "-- dynamic libXcursor -> $xcursor_lib"
  1616                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR, "$xcursor_lib", [ ])
  1617                         definitely_enable_video_x11_xcursor=yes
  1618                     else
  1619                         AC_CHECK_LIB(Xcursor, XcursorImageCreate, have_xcursor_lib=yes)
  1620                         if test x$have_xcursor_lib = xyes ; then
  1621                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXcursor"
  1622                             definitely_enable_video_x11_xcursor=yes
  1623                         fi
  1624                     fi
  1625                 fi
  1626             fi
  1627             if test x$definitely_enable_video_x11_xcursor = xyes; then
  1628                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XCURSOR, 1, [ ])
  1629                 SUMMARY_video_x11="${SUMMARY_video_x11} xcursor"
  1630             fi
  1631             AC_ARG_ENABLE(video-x11-xdbe,
  1632 AC_HELP_STRING([--enable-video-x11-xdbe], [enable X11 Xdbe support [[default=yes]]]),
  1633                             , enable_video_x11_xdbe=yes)
  1634             if test x$enable_video_x11_xdbe = xyes; then
  1635                 AC_CHECK_HEADER(X11/extensions/Xdbe.h,
  1636                                 have_dbe_h_hdr=yes,
  1637                                 have_dbe_h_hdr=no,
  1638                                 [#include <X11/Xlib.h>
  1639                                 ])
  1640                 if test x$have_dbe_h_hdr = xyes; then
  1641                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XDBE, 1, [ ])
  1642                     SUMMARY_video_x11="${SUMMARY_video_x11} xdbe"
  1643                 fi
  1644             fi
  1645             AC_ARG_ENABLE(video-x11-xinerama,
  1646 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
  1647                             , enable_video_x11_xinerama=yes)
  1648             if test x$enable_video_x11_xinerama = xyes; then
  1649                 definitely_enable_video_x11_xinerama=no
  1650                 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
  1651                                 have_xinerama_h_hdr=yes,
  1652                                 have_xinerama_h_hdr=no,
  1653                                 [#include <X11/Xlib.h>
  1654                                 ])
  1655                 if test x$have_xinerama_h_hdr = xyes; then
  1656                     if test x$enable_x11_shared = xyes && test x$xinerama_lib != x ; then
  1657                         echo "-- dynamic libXinerama -> $xinerama_lib"
  1658                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA, "$xinerama_lib", [ ])
  1659                         definitely_enable_video_x11_xinerama=yes
  1660                     else
  1661                         AC_CHECK_LIB(Xinerama, XineramaQueryExtension, have_xinerama_lib=yes)
  1662                         if test x$have_xinerama_lib = xyes ; then
  1663                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXinerama"
  1664                             definitely_enable_video_x11_xinerama=yes
  1665                         fi
  1666                     fi
  1667                 fi
  1668             fi
  1669             if test x$definitely_enable_video_x11_xinerama = xyes; then
  1670                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA, 1, [ ])
  1671                 SUMMARY_video_x11="${SUMMARY_video_x11} xinerama"
  1672             fi
  1673             AC_ARG_ENABLE(video-x11-xinput,
  1674 AC_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [[default=yes]]]),
  1675                             , enable_video_x11_xinput=yes)
  1676             if test x$enable_video_x11_xinput = xyes; then
  1677                 definitely_enable_video_x11_xinput=no
  1678                 AC_CHECK_HEADER(X11/extensions/XInput2.h,
  1679                                 have_xinput_h_hdr=yes,
  1680                                 have_xinput_h_hdr=no,
  1681                                 [#include <X11/Xlib.h>
  1682                                 ])
  1683                 if test x$have_xinput_h_hdr = xyes; then
  1684                     if test x$enable_x11_shared = xyes && test x$xinput_lib != x ; then
  1685                         echo "-- dynamic libXi -> $xinput_lib"
  1686                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2, "$xinput_lib", [ ])
  1687                         definitely_enable_video_x11_xinput=yes
  1688                     else
  1689                         AC_CHECK_LIB(Xi, XOpenDevice, have_xinput_lib=yes)
  1690                         if test x$have_xinput_lib = xyes ; then
  1691                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXi"
  1692                             definitely_enable_video_x11_xinput=yes
  1693                         fi
  1694                     fi
  1695                 fi
  1696             fi
  1697             if test x$definitely_enable_video_x11_xinput = xyes; then
  1698                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2"
  1699                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2, 1, [ ])
  1700                 AC_MSG_CHECKING(for xinput2 multitouch)
  1701             	have_xinput2_multitouch=no
  1702             	AC_TRY_COMPILE([
  1703               		#include <X11/Xlib.h>
  1704              		#include <X11/Xproto.h>
  1705 			#include <X11/extensions/XInput2.h>
  1706             	],[
  1707 int event_type = XI_TouchBegin;
  1708 XITouchClassInfo *t;
  1709             	],[
  1710             	have_xinput2_multitouch=yes
  1711             	AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH)
  1712                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2_multitouch"
  1713             	])
  1714             	AC_MSG_RESULT($have_xinput2_multitouch)
  1715             fi
  1716             AC_ARG_ENABLE(video-x11-xrandr,
  1717 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
  1718                             , enable_video_x11_xrandr=yes)
  1719             if test x$enable_video_x11_xrandr = xyes; then
  1720                 dnl XRRScreenResources is only present in Xrandr >= 1.2, we use that as a test.
  1721                 definitely_enable_video_x11_xrandr=no
  1722                 have_xrandr_h_hdr=no
  1723                 AC_TRY_COMPILE([
  1724                 #include <X11/Xlib.h>
  1725                 #include <X11/extensions/Xrandr.h>
  1726                 ],[
  1727                 XRRScreenResources *res = NULL;
  1728                 ],[
  1729                 have_xrandr_h_hdr=yes
  1730                 ])
  1731                 if test x$have_xrandr_h_hdr = xyes; then
  1732                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
  1733                         echo "-- dynamic libXrandr -> $xrandr_lib"
  1734                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib", [ ])
  1735                         definitely_enable_video_x11_xrandr=yes
  1736                     else
  1737                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
  1738                         if test x$have_xrandr_lib = xyes ; then
  1739                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr"
  1740                             definitely_enable_video_x11_xrandr=yes
  1741                         fi
  1742                     fi
  1743                 fi
  1744             fi
  1745             if test x$definitely_enable_video_x11_xrandr = xyes; then
  1746                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR, 1, [ ])
  1747                 SUMMARY_video_x11="${SUMMARY_video_x11} xrandr"
  1748             fi
  1749             AC_ARG_ENABLE(video-x11-scrnsaver,
  1750 AC_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [[default=yes]]]),
  1751                             , enable_video_x11_scrnsaver=yes)
  1752             if test x$enable_video_x11_scrnsaver = xyes; then
  1753                 AC_CHECK_HEADER(X11/extensions/scrnsaver.h,
  1754                                 have_scrnsaver_h_hdr=yes,
  1755                                 have_scrnsaver_h_hdr=no,
  1756                                 [#include <X11/Xlib.h>
  1757                                 ])
  1758                 if test x$have_scrnsaver_h_hdr = xyes; then
  1759                     if test x$enable_x11_shared = xyes && test x$xss_lib != x ; then
  1760                         echo "-- dynamic libXss -> $xss_lib"
  1761                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS, "$xss_lib", [ ])
  1762                         definitely_enable_video_x11_scrnsaver=yes
  1763                     else
  1764                         AC_CHECK_LIB(Xss, XScreenSaverSuspend, have_xss_lib=yes)
  1765                         if test x$have_xss_lib = xyes ; then
  1766                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXss"
  1767                             definitely_enable_video_x11_scrnsaver=yes
  1768                         fi
  1769                     fi
  1770                 fi
  1771             fi
  1772             if test x$definitely_enable_video_x11_scrnsaver = xyes; then
  1773                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSCRNSAVER, 1, [ ])
  1774                 SUMMARY_video_x11="${SUMMARY_video_x11} xscrnsaver"
  1775             fi
  1776             AC_ARG_ENABLE(video-x11-xshape,
  1777 AC_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [[default=yes]]]),
  1778                             , enable_video_x11_xshape=yes)
  1779             if test x$enable_video_x11_xshape = xyes; then
  1780                 AC_CHECK_HEADER(X11/extensions/shape.h,
  1781                                 have_shape_h_hdr=yes,
  1782                                 have_shape_h_hdr=no,
  1783                                 [#include <X11/Xlib.h>
  1784                                 ])
  1785                 if test x$have_shape_h_hdr = xyes; then
  1786                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSHAPE, 1, [ ])
  1787                     SUMMARY_video_x11="${SUMMARY_video_x11} xshape"
  1788                 fi
  1789             fi
  1790             AC_ARG_ENABLE(video-x11-vm,
  1791 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
  1792                             , enable_video_x11_vm=yes)
  1793             if test x$enable_video_x11_vm = xyes; then
  1794                 definitely_enable_video_x11_vm=no
  1795                 AC_CHECK_HEADER(X11/extensions/xf86vmode.h,
  1796                                 have_vm_h_hdr=yes,
  1797                                 have_vm_h_hdr=no,
  1798                                 [#include <X11/Xlib.h>
  1799                                 ])
  1800                 if test x$have_vm_h_hdr = xyes; then
  1801                     if test x$enable_x11_shared = xyes && test x$xvidmode_lib != x ; then
  1802                         echo "-- dynamic libXxf86vm -> $xvidmode_lib"
  1803                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE, "$xvidmode_lib", [ ])
  1804                         definitely_enable_video_x11_vm=yes
  1805                     else
  1806                         AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, have_vm_lib=yes)
  1807                         if test x$have_vm_lib = xyes ; then
  1808                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXxf86vm"
  1809                             definitely_enable_video_x11_vm=yes
  1810                         fi
  1811                     fi
  1812                 fi
  1813             fi
  1814             if test x$definitely_enable_video_x11_vm = xyes; then
  1815                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XVIDMODE, 1, [ ])
  1816                 SUMMARY_video_x11="${SUMMARY_video_x11} xvidmode"
  1817             fi
  1818         fi
  1819     fi
  1820 }
  1821 
  1822 dnl Set up the Vivante video driver if enabled
  1823 CheckVivanteVideo()
  1824 {
  1825     AC_ARG_ENABLE(video-vivante,
  1826 AC_HELP_STRING([--enable-video-vivante], [use Vivante EGL video driver [[default=yes]]]),
  1827                   , enable_video_vivante=yes)
  1828     if test x$enable_video = xyes -a x$enable_video_vivante = xyes; then
  1829         AC_MSG_CHECKING(for Vivante VDK API)
  1830         have_vivante_vdk=no
  1831         AC_TRY_COMPILE([
  1832           #define LINUX
  1833           #define EGL_API_FB
  1834           #include <gc_vdk.h>
  1835         ],[
  1836         ],[
  1837         have_vivante_vdk=yes
  1838         ])
  1839         AC_MSG_RESULT($have_vivante_vdk)
  1840 
  1841         AC_MSG_CHECKING(for Vivante FB API)
  1842         have_vivante_egl=no
  1843         AC_TRY_COMPILE([
  1844           #define LINUX
  1845           #define EGL_API_FB
  1846           #include <EGL/eglvivante.h>
  1847         ],[
  1848         ],[
  1849         have_vivante_egl=yes
  1850         ])
  1851         AC_MSG_RESULT($have_vivante_egl)
  1852 
  1853         if test x$have_vivante_vdk = xyes -o x$have_vivante_egl = xyes; then
  1854             AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE, 1, [ ])
  1855             EXTRA_CFLAGS="$EXTRA_CFLAGS -DLINUX -DEGL_API_FB"
  1856             if test x$have_vivante_vdk = xyes; then
  1857                 AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE_VDK, 1, [ ])
  1858                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lVDK"
  1859             fi
  1860             SOURCES="$SOURCES $srcdir/src/video/vivante/*.c"
  1861             SUMMARY_video="${SUMMARY_video} vivante"
  1862             have_video=yes
  1863         fi
  1864     fi
  1865 }
  1866 
  1867 dnl Set up the Haiku video driver if enabled
  1868 CheckHaikuVideo()
  1869 {
  1870     if test x$enable_video = xyes; then
  1871         AC_DEFINE(SDL_VIDEO_DRIVER_HAIKU, 1, [ ])
  1872         SOURCES="$SOURCES $srcdir/src/video/haiku/*.cc"
  1873         have_video=yes
  1874         SUMMARY_video="${SUMMARY_video} haiku"
  1875     fi
  1876 }
  1877 
  1878 dnl Set up the Cocoa video driver for Mac OS X (but not Darwin)
  1879 CheckCOCOA()
  1880 {
  1881     AC_ARG_ENABLE(video-cocoa,
  1882 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]]),
  1883                   , enable_video_cocoa=yes)
  1884     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  1885         save_CFLAGS="$CFLAGS"
  1886         dnl work around that we don't have Objective-C support in autoconf
  1887         CFLAGS="$CFLAGS -x objective-c"
  1888         AC_MSG_CHECKING(for Cocoa framework)
  1889         have_cocoa=no
  1890         AC_TRY_COMPILE([
  1891           #import <Cocoa/Cocoa.h>
  1892         ],[
  1893         ],[
  1894         have_cocoa=yes
  1895         ])
  1896         AC_MSG_RESULT($have_cocoa)
  1897         CFLAGS="$save_CFLAGS"
  1898         if test x$have_cocoa = xyes; then
  1899             AC_DEFINE(SDL_VIDEO_DRIVER_COCOA, 1, [ ])
  1900             SOURCES="$SOURCES $srcdir/src/video/cocoa/*.m"
  1901             SUMMARY_video="${SUMMARY_video} cocoa"
  1902             have_video=yes
  1903         fi
  1904     fi
  1905 }
  1906 
  1907 dnl Find DirectFB
  1908 CheckDirectFB()
  1909 {
  1910     AC_ARG_ENABLE(video-directfb,
  1911 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),
  1912                   , enable_video_directfb=no)
  1913     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
  1914         video_directfb=no
  1915 
  1916         DIRECTFB_REQUIRED_VERSION=1.0.0
  1917         AC_PATH_PROGS(DIRECTFBCONFIG, directfb-config, no, [$prefix/bin:$PATH])
  1918         if test x$DIRECTFBCONFIG = xno; then
  1919             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1920             if test x$PKG_CONFIG != xno; then
  1921                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
  1922                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
  1923                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
  1924                     DIRECTFB_PREFIX=`$PKG_CONFIG --variable=prefix directfb`
  1925                     video_directfb=yes
  1926                 fi
  1927             fi
  1928         else
  1929             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
  1930             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1931             set -- `$DIRECTFBCONFIG --version | sed 's/\./ /g'`
  1932             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1933             if test $HAVE_VERSION -ge $NEED_VERSION; then
  1934                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
  1935                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
  1936                 DIRECTFB_PREFIX=`$DIRECTFBCONFIG --prefix`
  1937                 video_directfb=yes
  1938             fi
  1939         fi
  1940         if test x$video_directfb = xyes; then
  1941             # SuSE 11.1 installs directfb-config without directfb-devel
  1942             save_CPPFLAGS="$CPPFLAGS"
  1943             CPPFLAGS="$CPPFLAGS $DIRECTFB_CFLAGS"
  1944             AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no)
  1945             CPPFLAGS="$save_CPPFLAGS"
  1946             video_directfb=$have_directfb_hdr
  1947         fi
  1948         AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
  1949         AC_MSG_RESULT($video_directfb)
  1950 
  1951         if test x$video_directfb = xyes; then
  1952             AC_ARG_ENABLE(directfb-shared,
  1953 AC_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [[default=yes]]]),
  1954                               , enable_directfb_shared=yes)
  1955 
  1956             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB, 1, [ ])
  1957             AC_DEFINE(SDL_VIDEO_RENDER_DIRECTFB, 1, [ ])
  1958             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
  1959             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
  1960 
  1961             AC_MSG_CHECKING(for directfb dynamic loading support)
  1962             directfb_shared=no
  1963             directfb_lib=[`find_lib "libdirectfb.so.*" "$DIRECTFB_LIBS"`]
  1964             # | sed 's/.*\/\(.*\)/\1/; q'`]
  1965 AC_MSG_WARN("directfb $directfb_lib")
  1966             if test x$have_loadso != xyes && \
  1967                test x$enable_directfb_shared = xyes; then
  1968                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic directfb loading])
  1969             fi
  1970             if test x$have_loadso = xyes && \
  1971                test x$enable_directfb_shared = xyes && test x$directfb_lib != x; then
  1972                 directfb_shared=yes
  1973                 echo "-- $directfb_lib_spec -> $directfb_lib"
  1974                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC, "$directfb_lib", [ ])
  1975                 SUMMARY_video="${SUMMARY_video} directfb(dynamic)"
  1976             else
  1977                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
  1978                 SUMMARY_video="${SUMMARY_video} directfb"
  1979             fi
  1980             AC_MSG_RESULT($directfb_shared)
  1981             SDL_CFLAGS="$SDL_CFLAGS $DIRECTFB_CFLAGS"
  1982             have_video=yes
  1983         fi
  1984     fi
  1985 }
  1986 
  1987 dnl rcg04172001 Set up the Null video driver.
  1988 CheckDummyVideo()
  1989 {
  1990     AC_ARG_ENABLE(video-dummy,
  1991 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
  1992                   , enable_video_dummy=yes)
  1993     if test x$enable_video_dummy = xyes; then
  1994         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ])
  1995         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
  1996         have_video=yes
  1997         SUMMARY_video="${SUMMARY_video} dummy"
  1998     fi
  1999 }
  2000 
  2001 dnl Check to see if OpenGL support is desired
  2002 AC_ARG_ENABLE(video-opengl,
  2003 AC_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),
  2004               , enable_video_opengl=yes)
  2005 
  2006 dnl Find OpenGL
  2007 CheckOpenGLX11()
  2008 {
  2009     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2010         AC_MSG_CHECKING(for OpenGL (GLX) support)
  2011         video_opengl=no
  2012         AC_TRY_COMPILE([
  2013          #include <GL/gl.h>
  2014          #include <GL/glx.h>
  2015         ],[
  2016         ],[
  2017         video_opengl=yes
  2018         ])
  2019         AC_MSG_RESULT($video_opengl)
  2020         if test x$video_opengl = xyes; then
  2021             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2022             AC_DEFINE(SDL_VIDEO_OPENGL_GLX, 1, [ ])
  2023             AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2024             SUMMARY_video="${SUMMARY_video} opengl"
  2025         fi
  2026     fi
  2027 }
  2028 
  2029 dnl Check to see if OpenGL ES support is desired
  2030 AC_ARG_ENABLE(video-opengles,
  2031 AC_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [[default=yes]]]),
  2032               , enable_video_opengles=yes)
  2033 AC_ARG_ENABLE(video-opengles1,
  2034 AC_HELP_STRING([--enable-video-opengles1], [include OpenGL ES 1.1 support [[default=yes]]]),
  2035               , enable_video_opengles1=yes)
  2036 AC_ARG_ENABLE(video-opengles2,
  2037 AC_HELP_STRING([--enable-video-opengles2], [include OpenGL ES 2.0 support [[default=yes]]]),
  2038               , enable_video_opengles2=yes)
  2039 
  2040 dnl Find OpenGL ES
  2041 CheckOpenGLESX11()
  2042 {
  2043     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2044         AC_MSG_CHECKING(for EGL support)
  2045         video_opengl_egl=no
  2046         AC_TRY_COMPILE([
  2047           #define LINUX
  2048           #define EGL_API_FB
  2049           #include <EGL/egl.h>
  2050           #include <EGL/eglext.h>
  2051         ],[
  2052         ],[
  2053         video_opengl_egl=yes
  2054         ])
  2055         AC_MSG_RESULT($video_opengl_egl)
  2056         if test x$video_opengl_egl = xyes; then
  2057             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2058         fi
  2059             
  2060         if test x$enable_video_opengles1 = xyes; then
  2061             AC_MSG_CHECKING(for OpenGL ES v1 headers)
  2062             video_opengles_v1=no
  2063             AC_TRY_COMPILE([
  2064              #include <GLES/gl.h>
  2065              #include <GLES/glext.h>
  2066             ],[
  2067             ],[
  2068             video_opengles_v1=yes
  2069             ])
  2070             AC_MSG_RESULT($video_opengles_v1)
  2071             if test x$video_opengles_v1 = xyes; then
  2072                 AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])
  2073                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])
  2074                 SUMMARY_video="${SUMMARY_video} opengl_es1"
  2075             fi
  2076         fi
  2077         
  2078         if test x$enable_video_opengles2 = xyes; then
  2079             AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2080             video_opengles_v2=no
  2081             AC_TRY_COMPILE([
  2082              #include <GLES2/gl2.h>
  2083              #include <GLES2/gl2ext.h>
  2084             ],[
  2085             ],[
  2086             video_opengles_v2=yes
  2087             ])
  2088             AC_MSG_RESULT($video_opengles_v2)
  2089             if test x$video_opengles_v2 = xyes; then
  2090                 AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2091                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2092                 SUMMARY_video="${SUMMARY_video} opengl_es2"
  2093             fi
  2094         fi
  2095     fi
  2096 }
  2097 
  2098 dnl Check for Windows OpenGL
  2099 CheckWINDOWSGL()
  2100 {
  2101     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2102         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2103         AC_DEFINE(SDL_VIDEO_OPENGL_WGL, 1, [ ])
  2104         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2105         SUMMARY_video="${SUMMARY_video} opengl"
  2106     fi
  2107 }
  2108 
  2109 dnl Check for Windows OpenGL
  2110 CheckWINDOWSGLES()
  2111 {
  2112     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2113 
  2114         AC_MSG_CHECKING(for EGL support)
  2115         video_opengl_egl=no
  2116         AC_TRY_COMPILE([
  2117          #include <EGL/egl.h>
  2118         ],[
  2119         ],[
  2120         video_opengl_egl=yes
  2121         ])
  2122         AC_MSG_RESULT($video_opengl_egl)
  2123         if test x$video_opengl_egl = xyes; then
  2124             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2125             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2126             SUMMARY_video="${SUMMARY_video} opengl_es1"
  2127         fi
  2128        
  2129         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2130         video_opengles_v2=no
  2131         AC_TRY_COMPILE([
  2132          #include <GLES2/gl2.h>
  2133          #include <GLES2/gl2ext.h>
  2134         ],[
  2135         ],[
  2136         video_opengles_v2=yes
  2137         ])
  2138         AC_MSG_RESULT($video_opengles_v2)
  2139         if test x$video_opengles_v2 = xyes; then
  2140             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2141             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2142             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2143             SUMMARY_video="${SUMMARY_video} opengl_es2"
  2144         fi
  2145     fi
  2146 }
  2147 
  2148 dnl Check for Haiku OpenGL
  2149 CheckHaikuGL()
  2150 {
  2151     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2152         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2153         AC_DEFINE(SDL_VIDEO_OPENGL_HAIKU, 1, [ ])
  2154         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2155         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  2156         SUMMARY_video="${SUMMARY_video} opengl"
  2157     fi
  2158 }
  2159 
  2160 dnl Check for MacOS OpenGL
  2161 CheckMacGL()
  2162 {
  2163     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2164         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2165         AC_DEFINE(SDL_VIDEO_OPENGL_CGL, 1, [ ])
  2166         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2167         SUMMARY_video="${SUMMARY_video} opengl"
  2168     fi
  2169 }
  2170 
  2171 CheckEmscriptenGLES()
  2172 {
  2173     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2174         AC_MSG_CHECKING(for EGL support)
  2175         video_opengl_egl=no
  2176         AC_TRY_COMPILE([
  2177          #include <EGL/egl.h>
  2178         ],[
  2179         ],[
  2180         video_opengl_egl=yes
  2181         ])
  2182         AC_MSG_RESULT($video_opengl_egl)
  2183         if test x$video_opengl_egl = xyes; then
  2184             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2185         fi
  2186 
  2187         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2188         video_opengles_v2=no
  2189         AC_TRY_COMPILE([
  2190          #include <GLES2/gl2.h>
  2191          #include <GLES2/gl2ext.h>
  2192         ],[
  2193         ],[
  2194         video_opengles_v2=yes
  2195         ])
  2196         AC_MSG_RESULT($video_opengles_v2)
  2197         if test x$video_opengles_v2 = xyes; then
  2198             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2199             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2200             SUMMARY_video="${SUMMARY_video} opengl_es2"
  2201         fi
  2202     fi
  2203 }
  2204 
  2205 dnl See if we can use the new unified event interface in Linux 2.4
  2206 CheckInputEvents()
  2207 {
  2208     dnl Check for Linux 2.4 unified input event interface support
  2209         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
  2210         use_input_events=no
  2211         AC_TRY_COMPILE([
  2212           #include <linux/input.h>
  2213         ],[
  2214           #ifndef EVIOCGNAME
  2215           #error EVIOCGNAME() ioctl not available
  2216           #endif
  2217         ],[
  2218         use_input_events=yes
  2219         ])
  2220         AC_MSG_RESULT($use_input_events)
  2221         if test x$use_input_events = xyes; then
  2222             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])
  2223             SUMMARY_input="${SUMMARY_input} linuxev"
  2224         fi
  2225 }
  2226 
  2227 dnl See if we can use the kernel kd.h header
  2228 CheckInputKD()
  2229 {
  2230 
  2231     AC_MSG_CHECKING(for Linux kd.h)
  2232     use_input_kd=no
  2233     AC_TRY_COMPILE([
  2234       #include <linux/kd.h>
  2235       #include <linux/keyboard.h>
  2236     ],[
  2237         struct kbentry kbe;
  2238         kbe.kb_table = KG_CTRL;
  2239         ioctl(0, KDGKBENT, &kbe);
  2240     ],[
  2241     use_input_kd=yes
  2242     ])
  2243     AC_MSG_RESULT($use_input_kd)
  2244     if test x$use_input_kd = xyes; then
  2245         AC_DEFINE(SDL_INPUT_LINUXKD, 1, [ ])
  2246         SUMMARY_input="${SUMMARY_input} linuxkd"
  2247     fi
  2248 }
  2249 
  2250 dnl See if the platform offers libudev for device enumeration and hotplugging.
  2251 CheckLibUDev()
  2252 {
  2253     AC_ARG_ENABLE(libudev,
  2254 AC_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),
  2255                         , enable_libudev=yes)
  2256     if test x$enable_libudev = xyes; then
  2257         AC_CHECK_HEADER(libudev.h,
  2258                         have_libudev_h_hdr=yes,
  2259                         have_libudev_h_hdr=no)
  2260         if test x$have_libudev_h_hdr = xyes; then
  2261             AC_DEFINE(HAVE_LIBUDEV_H, 1, [ ])
  2262 
  2263             udev_lib=[`find_lib "libudev.so.*" "" | sed 's/.*\/\(.*\)/\1/; q'`]
  2264             if test x$udev_lib != x; then
  2265                 echo "-- dynamic udev -> $udev_lib"
  2266                 AC_DEFINE_UNQUOTED(SDL_UDEV_DYNAMIC, "$udev_lib", [ ])
  2267             fi
  2268         fi
  2269     fi
  2270 }
  2271 
  2272 dnl See if the platform offers libdbus for various IPC techniques.
  2273 CheckDBus()
  2274 {
  2275     AC_ARG_ENABLE(dbus,
  2276 AC_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),
  2277                         , enable_dbus=yes)
  2278     if test x$enable_dbus = xyes; then
  2279         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2280         if test x$PKG_CONFIG != xno; then
  2281             DBUS_CFLAGS=`$PKG_CONFIG --cflags dbus-1`
  2282             save_CFLAGS="$CFLAGS"
  2283             CFLAGS="$save_CFLAGS $DBUS_CFLAGS"
  2284             AC_CHECK_HEADER(dbus/dbus.h,
  2285                             have_dbus_dbus_h_hdr=yes,
  2286                             have_dbus_dbus_h_hdr=no)
  2287             CFLAGS="$save_CFLAGS"
  2288             if test x$have_dbus_dbus_h_hdr = xyes; then
  2289                 AC_DEFINE(HAVE_DBUS_DBUS_H, 1, [ ])
  2290                 EXTRA_CFLAGS="$EXTRA_CFLAGS $DBUS_CFLAGS"
  2291                 SOURCES="$SOURCES $srcdir/src/core/linux/SDL_dbus.c"
  2292             fi
  2293         fi
  2294     fi
  2295 }
  2296 
  2297 dnl See if the platform wanna IME support.
  2298 CheckIME()
  2299 {
  2300     AC_ARG_ENABLE(ime,
  2301 AC_HELP_STRING([--enable-ime], [enable IME support [[default=yes]]]),
  2302                   , enable_ime=yes)
  2303     if test x$enable_ime = xyes; then
  2304         AC_DEFINE(SDL_USE_IME, 1, [ ])
  2305             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ime.c"
  2306     fi
  2307 }
  2308 
  2309 dnl See if the platform has libibus IME support.
  2310 CheckIBus()
  2311 {
  2312     AC_ARG_ENABLE(ibus,
  2313 AC_HELP_STRING([--enable-ibus], [enable IBus support [[default=yes]]]),
  2314                   , enable_ibus=yes)
  2315     if test x$enable_ibus = xyes; then
  2316         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2317         if test x$PKG_CONFIG != xno; then
  2318             IBUS_CFLAGS=`$PKG_CONFIG --cflags ibus-1.0`
  2319             save_CFLAGS="$CFLAGS"
  2320             CFLAGS="$save_CFLAGS $IBUS_CFLAGS"
  2321             AC_CHECK_HEADER(ibus-1.0/ibus.h,
  2322                             have_ibus_ibus_h_hdr=yes,
  2323                             have_ibus_ibus_h_hdr=no)
  2324             AC_CHECK_HEADER(sys/inotify.h,
  2325                             have_inotify_inotify_h_hdr=yes,
  2326                             have_inotify_inotify_h_hdr=no)
  2327             CFLAGS="$save_CFLAGS"
  2328             if test x$have_ibus_ibus_h_hdr = xyes; then
  2329                 if test x$enable_ime != xyes; then
  2330                     AC_MSG_WARN([IME support is required for IBus.])
  2331                     have_ibus_ibus_h_hdr=no
  2332                 elif test x$enable_dbus != xyes; then
  2333                     AC_MSG_WARN([DBus support is required for IBus.])
  2334                     have_ibus_ibus_h_hdr=no
  2335                 elif test x$have_inotify_inotify_h_hdr != xyes; then
  2336                     AC_MSG_WARN([INotify support is required for IBus.])
  2337                     have_ibus_ibus_h_hdr=no
  2338                 else
  2339                     AC_DEFINE(HAVE_IBUS_IBUS_H, 1, [ ])
  2340                     EXTRA_CFLAGS="$EXTRA_CFLAGS $IBUS_CFLAGS"
  2341                     SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ibus.c"
  2342                fi
  2343             fi
  2344         fi
  2345     fi
  2346 }
  2347 
  2348 dnl See if the platform has fcitx IME support.
  2349 CheckFcitx()
  2350 {
  2351     AC_ARG_ENABLE(fcitx,
  2352 AC_HELP_STRING([--enable-fcitx], [enable fcitx support [[default=yes]]]),
  2353                   , enable_fcitx=yes)
  2354     if test x$enable_fcitx = xyes; then
  2355         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2356         if test x$PKG_CONFIG != xno; then
  2357             FCITX_CFLAGS=`$PKG_CONFIG --cflags fcitx`
  2358             CFLAGS="$CFLAGS $FCITX_CFLAGS"
  2359             AC_CHECK_HEADER(fcitx/frontend.h,
  2360                             have_fcitx_frontend_h_hdr=yes,
  2361                             have_fcitx_frontend_h_hdr=no)
  2362             CFLAGS="$save_CFLAGS"
  2363             if test x$have_fcitx_frontend_h_hdr = xyes; then
  2364                 if test x$enable_ime != xyes; then
  2365                     AC_MSG_WARN([IME support is required for fcitx.])
  2366                     have_fcitx_frontend_h_hdr=no
  2367                 elif test x$enable_dbus != xyes; then
  2368                     AC_MSG_WARN([DBus support is required for fcitx.])
  2369                     have_fcitx_frontend_h_hdr=no
  2370                 else
  2371                     AC_DEFINE(HAVE_FCITX_FRONTEND_H, 1, [ ])
  2372                     EXTRA_CFLAGS="$EXTRA_CFLAGS $FCITX_CFLAGS"
  2373                     SOURCES="$SOURCES $srcdir/src/core/linux/SDL_fcitx.c"
  2374                fi
  2375             fi
  2376         fi
  2377     fi
  2378 }
  2379 
  2380 dnl See if we can use the Touchscreen input library
  2381 CheckTslib()
  2382 {
  2383     AC_ARG_ENABLE(input-tslib,
  2384 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
  2385                   , enable_input_tslib=yes)
  2386     if test x$enable_input_tslib = xyes; then
  2387         AC_MSG_CHECKING(for Touchscreen library support)
  2388         enable_input_tslib=no
  2389         AC_TRY_COMPILE([
  2390           #include "tslib.h"
  2391         ],[
  2392         ],[
  2393         enable_input_tslib=yes
  2394         ])
  2395         AC_MSG_RESULT($enable_input_tslib)
  2396         if test x$enable_input_tslib = xyes; then
  2397             AC_DEFINE(SDL_INPUT_TSLIB, 1, [ ])
  2398             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
  2399             SUMMARY_input="${SUMMARY_input} ts"
  2400         fi
  2401     fi
  2402 }
  2403 
  2404 dnl See what type of thread model to use on Linux and Solaris
  2405 CheckPTHREAD()
  2406 {
  2407     dnl Check for pthread support
  2408     AC_ARG_ENABLE(pthreads,
  2409 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
  2410                   , enable_pthreads=yes)
  2411     dnl This is used on Linux for glibc binary compatibility (Doh!)
  2412     AC_ARG_ENABLE(pthread-sem,
  2413 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
  2414                   , enable_pthread_sem=yes)
  2415     case "$host" in
  2416          *-*-androideabi*)
  2417             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2418             pthread_lib=""
  2419             ;;
  2420         *-*-linux*|*-*-uclinux*)
  2421             pthread_cflags="-D_REENTRANT"
  2422             pthread_lib="-lpthread"
  2423             ;;
  2424         *-*-bsdi*)
  2425             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2426             pthread_lib=""
  2427             ;;
  2428         *-*-darwin*)
  2429             pthread_cflags="-D_THREAD_SAFE"
  2430 # causes Carbon.p complaints?
  2431 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2432             ;;
  2433         *-*-freebsd*|*-*-dragonfly*)
  2434             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2435             pthread_lib="-pthread"
  2436             ;;
  2437         *-*-netbsd*)
  2438             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2439             pthread_lib="-lpthread"
  2440             ;;
  2441         *-*-openbsd*)
  2442             pthread_cflags="-D_REENTRANT"
  2443             pthread_lib="-pthread"
  2444             ;;
  2445         *-*-solaris2.9)
  2446             # From Solaris 9+, posix4's preferred name is rt.
  2447             pthread_cflags="-D_REENTRANT"
  2448             pthread_lib="-lpthread -lrt"
  2449             ;;
  2450         *-*-solaris2.10)
  2451             # Solaris 10+ merged pthread into libc.
  2452             pthread_cflags="-D_REENTRANT"
  2453             pthread_lib="-lrt"
  2454             ;;
  2455         *-*-solaris*)
  2456             # Solaris 11+ merged rt into libc.
  2457             pthread_cflags="-D_REENTRANT"
  2458             pthread_lib=""
  2459             ;;
  2460         *-*-sysv5*)
  2461             pthread_cflags="-D_REENTRANT -Kthread"
  2462             pthread_lib=""
  2463             ;;
  2464         *-*-aix*)
  2465             pthread_cflags="-D_REENTRANT -mthreads"
  2466             pthread_lib="-lpthread"
  2467             ;;
  2468         *-*-hpux11*)
  2469             pthread_cflags="-D_REENTRANT"
  2470             pthread_lib="-L/usr/lib -lpthread"
  2471             ;;
  2472         *-*-haiku*)
  2473             pthread_cflags="-D_REENTRANT"
  2474             pthread_lib=""
  2475             ;;
  2476         *)
  2477             pthread_cflags="-D_REENTRANT"
  2478             pthread_lib="-lpthread"
  2479             ;;
  2480     esac
  2481     if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then
  2482         # Save the original compiler flags and libraries
  2483         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2484         # Add the pthread compiler flags and libraries
  2485         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2486         # Check to see if we have pthread support on this system
  2487         AC_MSG_CHECKING(for pthreads)
  2488         use_pthreads=no
  2489         AC_TRY_LINK([
  2490          #include <pthread.h>
  2491         ],[
  2492          pthread_attr_t type;
  2493          pthread_attr_init(&type);
  2494         ],[
  2495         use_pthreads=yes
  2496         ])
  2497         AC_MSG_RESULT($use_pthreads)
  2498         # Restore the compiler flags and libraries
  2499         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2500 
  2501         # Do futher testing if we have pthread support...
  2502         if test x$use_pthreads = xyes; then
  2503             AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ])
  2504             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
  2505             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
  2506             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
  2507 
  2508             # Save the original compiler flags and libraries
  2509             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2510             # Add the pthread compiler flags and libraries
  2511             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2512 
  2513             # Check to see if recursive mutexes are available
  2514             AC_MSG_CHECKING(for recursive mutexes)
  2515             has_recursive_mutexes=no
  2516             if test x$has_recursive_mutexes = xno; then
  2517                 AC_TRY_LINK([
  2518                   #define _GNU_SOURCE 1
  2519                   #include <pthread.h>
  2520                 ],[
  2521                   pthread_mutexattr_t attr;
  2522                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
  2523                 ],[
  2524                 has_recursive_mutexes=yes
  2525                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ])
  2526                 ])
  2527             fi
  2528             if test x$has_recursive_mutexes = xno; then
  2529                 AC_TRY_LINK([
  2530                   #define _GNU_SOURCE 1
  2531                   #include <pthread.h>
  2532                 ],[
  2533                   pthread_mutexattr_t attr;
  2534                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
  2535                 ],[
  2536                 has_recursive_mutexes=yes
  2537                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ])
  2538                 ])
  2539             fi
  2540             AC_MSG_RESULT($has_recursive_mutexes)
  2541 
  2542             # Check to see if pthread semaphore support is missing
  2543             if test x$enable_pthread_sem = xyes; then
  2544                 AC_MSG_CHECKING(for pthread semaphores)
  2545                 have_pthread_sem=no
  2546                 AC_TRY_COMPILE([
  2547                   #include <pthread.h>
  2548                   #include <semaphore.h>
  2549                 ],[
  2550                 ],[
  2551                 have_pthread_sem=yes
  2552                 ])
  2553                 AC_MSG_RESULT($have_pthread_sem)
  2554             fi
  2555             if test x$have_pthread_sem = xyes; then
  2556                 AC_MSG_CHECKING(for sem_timedwait)
  2557                 have_sem_timedwait=no
  2558                 AC_TRY_LINK([
  2559                   #include <pthread.h>
  2560                   #include <semaphore.h>
  2561                 ],[
  2562                   sem_timedwait(NULL, NULL);
  2563                 ],[
  2564                 have_sem_timedwait=yes
  2565                 AC_DEFINE(HAVE_SEM_TIMEDWAIT)
  2566                 ])
  2567                 AC_MSG_RESULT($have_sem_timedwait)
  2568             fi
  2569 
  2570             AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes, have_pthread_np_h=no, [ #include <pthread.h> ])
  2571             if test x$have_pthread_np_h = xyes; then
  2572                 AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ])
  2573             fi
  2574 
  2575             # Check to see if pthread naming is available
  2576             AC_MSG_CHECKING(for pthread_setname_np)
  2577             AC_TRY_LINK_FUNC(pthread_setname_np, [
  2578               has_pthread_setname_np=yes
  2579               AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ])
  2580             ],[
  2581               has_pthread_setname_np=no
  2582             ])
  2583             AC_MSG_RESULT($has_pthread_setname_np)
  2584 
  2585             AC_MSG_CHECKING(for pthread_set_name_np)
  2586             AC_TRY_LINK_FUNC(pthread_set_name_np, [
  2587               has_pthread_set_name_np=yes
  2588               AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ])
  2589             ],[
  2590               has_pthread_set_name_np=no
  2591             ])
  2592             AC_MSG_RESULT($has_pthread_set_name_np)
  2593 
  2594             # Restore the compiler flags and libraries
  2595             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2596 
  2597             # Basic thread creation functions
  2598             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
  2599 
  2600             # Semaphores
  2601             # We can fake these with mutexes and condition variables if necessary
  2602             if test x$have_pthread_sem = xyes; then
  2603                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
  2604             else
  2605                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  2606             fi
  2607 
  2608             # Mutexes
  2609             # We can fake these with semaphores if necessary
  2610             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
  2611 
  2612             # Condition variables
  2613             # We can fake these with semaphores and mutexes if necessary
  2614             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
  2615 
  2616             # Thread local storage
  2617             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systls.c"
  2618 
  2619             have_threads=yes
  2620         fi
  2621     fi
  2622 }
  2623 
  2624 dnl Determine whether the compiler can produce Windows executables
  2625 CheckWINDOWS()
  2626 {
  2627     AC_MSG_CHECKING(Windows compiler)
  2628     have_win32_gcc=no
  2629     AC_TRY_COMPILE([
  2630      #include <windows.h>
  2631     ],[
  2632     ],[
  2633     have_win32_gcc=yes
  2634     ])
  2635     AC_MSG_RESULT($have_win32_gcc)
  2636     if test x$have_win32_gcc != xyes; then
  2637        AC_MSG_ERROR([
  2638 *** Your compiler ($CC) does not produce Windows executables!
  2639        ])
  2640     fi
  2641 
  2642     AC_MSG_CHECKING(Windows CE)
  2643     have_wince=no
  2644     AC_TRY_COMPILE([
  2645 #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__)
  2646 #error This is not Windows CE
  2647 #endif
  2648     ],[
  2649     ],[
  2650     have_wince=yes
  2651        AC_MSG_ERROR([
  2652 *** Sorry, Windows CE is no longer supported.
  2653        ])
  2654     ])
  2655     AC_MSG_RESULT($have_wince)
  2656 
  2657     # This fixes Windows stack alignment with newer GCC
  2658     CheckStackBoundary
  2659 }
  2660 
  2661 dnl Find the DirectX includes and libraries
  2662 CheckDIRECTX()
  2663 {
  2664     AC_ARG_ENABLE(directx,
  2665 AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
  2666                   , enable_directx=yes)
  2667     if test x$enable_directx = xyes; then
  2668         AC_CHECK_HEADER(d3d9.h, have_d3d=yes)
  2669         AC_CHECK_HEADER(d3d11_1.h, have_d3d11=yes)
  2670         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
  2671         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
  2672         AC_CHECK_HEADER(dinput.h, have_dinput=yes)
  2673         AC_CHECK_HEADER(dxgi.h, have_dxgi=yes)
  2674         AC_CHECK_HEADER(xaudio2.h, have_xaudio2=yes)
  2675         AC_CHECK_HEADER(xinput.h, have_xinput=yes)
  2676 
  2677         if test x$have_ddraw = xyes; then
  2678             AC_DEFINE(HAVE_DDRAW_H, 1, [ ])
  2679         fi
  2680         if test x$have_dinput = xyes; then
  2681             AC_DEFINE(HAVE_DINPUT_H, 1, [ ])
  2682         fi
  2683         if test x$have_dsound = xyes; then
  2684             AC_DEFINE(HAVE_DSOUND_H, 1, [ ])
  2685         fi
  2686         if test x$have_dxgi = xyes; then
  2687             AC_DEFINE(HAVE_DXGI_H, 1, [ ])
  2688         fi
  2689         if test x$have_xinput = xyes; then
  2690             AC_DEFINE(HAVE_XINPUT_H, 1, [ ])
  2691         fi
  2692 
  2693         SUMMARY_video="${SUMMARY_video} directx"
  2694         SUMMARY_audio="${SUMMARY_audio} directx"
  2695 
  2696         # FIXME: latest Cygwin finds dinput headers, but we die on other win32 headers.
  2697         # FIXME:  ...so force it off for now.
  2698         case "$host" in
  2699             *-*-cygwin*)
  2700             have_dinput=false
  2701             ;;
  2702         esac
  2703     fi
  2704 }
  2705 
  2706 dnl Check for the dlfcn.h interface for dynamically loading objects
  2707 CheckDLOPEN()
  2708 {
  2709     AC_ARG_ENABLE(sdl-dlopen,
  2710 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
  2711                   , enable_sdl_dlopen=yes)
  2712     if test x$enable_sdl_dlopen = xyes; then
  2713         AC_MSG_CHECKING(for dlopen)
  2714         have_dlopen=no
  2715         AC_TRY_COMPILE([
  2716          #include <dlfcn.h>
  2717         ],[
  2718          void *handle = dlopen("", RTLD_NOW);
  2719          const char *loaderror = (char *) dlerror();
  2720         ],[
  2721         have_dlopen=yes
  2722         ])
  2723         AC_MSG_RESULT($have_dlopen)
  2724 
  2725         if test x$have_dlopen = xyes; then
  2726             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
  2727                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
  2728                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
  2729             AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ])
  2730             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
  2731             have_loadso=yes
  2732         fi
  2733     fi
  2734 }
  2735 
  2736 dnl Check for the usbhid(3) library on *BSD
  2737 CheckUSBHID()
  2738 {
  2739     case "$host" in
  2740         *-*-*bsd*)
  2741             if test x$enable_joystick = xyes; then
  2742                 AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
  2743                 if test x$have_libusbhid = xyes; then
  2744                     AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
  2745                     AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
  2746                     USB_LIBS="$USB_LIBS -lusbhid"
  2747                 else
  2748                     AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
  2749                     AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
  2750                     AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
  2751                 fi
  2752                     
  2753                 save_CFLAGS="$CFLAGS"
  2754                 CFLAGS="$CFLAGS $USB_CFLAGS"
  2755 
  2756                 AC_MSG_CHECKING(for usbhid)
  2757                 have_usbhid=no
  2758                 AC_TRY_COMPILE([
  2759                   #include <sys/types.h>
  2760                   #if defined(HAVE_USB_H)
  2761                   #include <usb.h>
  2762                   #endif
  2763                   #ifdef __DragonFly__
  2764                   # include <bus/usb/usb.h>
  2765                   # include <bus/usb/usbhid.h>
  2766                   #else
  2767                   # include <dev/usb/usb.h>
  2768                   # include <dev/usb/usbhid.h>
  2769                   #endif
  2770                   #if defined(HAVE_USBHID_H)
  2771                   #include <usbhid.h>
  2772                   #elif defined(HAVE_LIBUSB_H)
  2773                   #include <libusb.h>
  2774                   #elif defined(HAVE_LIBUSBHID_H)
  2775                   #include <libusbhid.h>
  2776                   #endif
  2777                 ],[
  2778                   struct report_desc *repdesc;
  2779                   struct usb_ctl_report *repbuf;
  2780                   hid_kind_t hidkind;
  2781                 ],[
  2782                 have_usbhid=yes
  2783                 ])
  2784                 AC_MSG_RESULT($have_usbhid)
  2785 
  2786                 if test x$have_usbhid = xyes; then
  2787                     AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
  2788                     have_usbhid_ucr_data=no
  2789                     AC_TRY_COMPILE([
  2790                       #include <sys/types.h>
  2791                       #if defined(HAVE_USB_H)
  2792                       #include <usb.h>
  2793                       #endif
  2794                       #ifdef __DragonFly__
  2795                       # include <bus/usb/usb.h>
  2796                       # include <bus/usb/usbhid.h>
  2797                       #else
  2798                       # include <dev/usb/usb.h>
  2799                       # include <dev/usb/usbhid.h>
  2800                       #endif
  2801                       #if defined(HAVE_USBHID_H)
  2802                       #include <usbhid.h>
  2803                       #elif defined(HAVE_LIBUSB_H)
  2804                       #include <libusb.h>
  2805                       #elif defined(HAVE_LIBUSBHID_H)
  2806                       #include <libusbhid.h>
  2807                       #endif
  2808                     ],[
  2809                       struct usb_ctl_report buf;
  2810                       if (buf.ucr_data) { }
  2811                     ],[
  2812                     have_usbhid_ucr_data=yes
  2813                     ])
  2814                     if test x$have_usbhid_ucr_data = xyes; then
  2815                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
  2816                     fi
  2817                     AC_MSG_RESULT($have_usbhid_ucr_data)
  2818                     
  2819                     AC_MSG_CHECKING(for new usbhid API)
  2820                     have_usbhid_new=no
  2821                     AC_TRY_COMPILE([
  2822                       #include <sys/types.h>
  2823                       #if defined(HAVE_USB_H)
  2824                       #include <usb.h>
  2825                       #endif
  2826                       #ifdef __DragonFly__
  2827                       #include <bus/usb/usb.h>
  2828                       #include <bus/usb/usbhid.h>
  2829                       #else
  2830                       #include <dev/usb/usb.h>
  2831                       #include <dev/usb/usbhid.h>
  2832                       #endif
  2833                       #if defined(HAVE_USBHID_H)
  2834                       #include <usbhid.h>
  2835                       #elif defined(HAVE_LIBUSB_H)
  2836                       #include <libusb.h>
  2837                       #elif defined(HAVE_LIBUSBHID_H)
  2838                       #include <libusbhid.h>
  2839                       #endif
  2840                     ],[
  2841                       report_desc_t d;
  2842                       hid_start_parse(d, 1, 1);
  2843                     ],[
  2844                     have_usbhid_new=yes
  2845                     ])
  2846                     if test x$have_usbhid_new = xyes; then
  2847                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
  2848                     fi
  2849                     AC_MSG_RESULT($have_usbhid_new)
  2850 
  2851                     AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
  2852                     have_machine_joystick=no
  2853                     AC_TRY_COMPILE([
  2854                       #include <machine/joystick.h>
  2855                     ],[
  2856                       struct joystick t;
  2857                     ],[
  2858                     have_machine_joystick=yes
  2859                     ])
  2860                     if test x$have_machine_joystick = xyes; then
  2861                         AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H, 1, [ ])
  2862                     fi
  2863                     AC_MSG_RESULT($have_machine_joystick)
  2864 
  2865                     AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ])
  2866                     SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
  2867                     EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
  2868                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
  2869                     have_joystick=yes
  2870                 fi
  2871                 CFLAGS="$save_CFLAGS"
  2872             fi
  2873         ;;
  2874     esac
  2875 }
  2876 
  2877 dnl Check for clock_gettime()
  2878 CheckClockGettime()
  2879 {
  2880     AC_ARG_ENABLE(clock_gettime,
  2881 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),
  2882                   , enable_clock_gettime=yes)
  2883     if test x$enable_clock_gettime = xyes; then
  2884         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
  2885         if test x$have_clock_gettime = xyes; then
  2886             AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2887             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
  2888         else
  2889             AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes)
  2890             if test x$have_clock_gettime = xyes; then
  2891                AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2892                EXTRA_LDFLAGS="$EXTRA_LDFLAGS"
  2893             fi
  2894         fi
  2895     fi
  2896 }
  2897 
  2898 dnl Check for a valid linux/version.h
  2899 CheckLinuxVersion()
  2900 {
  2901     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
  2902     if test x$have_linux_version_h = xyes; then
  2903         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
  2904     fi
  2905 }
  2906 
  2907 dnl Check if we want to use RPATH
  2908 CheckRPATH()
  2909 {
  2910     AC_ARG_ENABLE(rpath,
  2911 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
  2912                   , enable_rpath=yes)
  2913 }
  2914 
  2915 dnl Do this on all platforms, before everything else (other things might want to override it).
  2916 CheckWarnAll
  2917 
  2918 dnl Set up the configuration based on the host platform!
  2919 case "$host" in
  2920     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*)
  2921         case "$host" in
  2922             *-raspberry-linux*)
  2923                 # Raspberry Pi
  2924                 ARCH=linux
  2925                 RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
  2926                 CFLAGS="$CFLAGS $RPI_CFLAGS"
  2927                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
  2928                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
  2929                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L/opt/vc/lib -lbcm_host -ldl"
  2930 
  2931                 if test x$enable_video = xyes; then
  2932                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
  2933                     # FIXME: confdefs? Not AC_DEFINE?
  2934                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
  2935                     SUMMARY_video="${SUMMARY_video} rpi"
  2936                 fi
  2937                 ;;
  2938             *-*-androideabi*)
  2939                 # Android
  2940                 ARCH=android
  2941                 ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"
  2942                 CFLAGS="$CFLAGS $ANDROID_CFLAGS"
  2943                 SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS"
  2944                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS"
  2945                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid"
  2946 
  2947                 if test x$enable_video = xyes; then
  2948                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
  2949                     # FIXME: confdefs? Not AC_DEFINE?
  2950                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
  2951                     SUMMARY_video="${SUMMARY_video} android"
  2952                 fi
  2953                 ;;
  2954             *-*-linux*)         ARCH=linux ;;
  2955             *-*-uclinux*)       ARCH=linux ;;
  2956             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
  2957             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
  2958             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
  2959             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
  2960             *-*-bsdi*)          ARCH=bsdi ;;
  2961             *-*-freebsd*)       ARCH=freebsd ;;
  2962             *-*-dragonfly*)     ARCH=freebsd ;;
  2963             *-raspberry-netbsd*)
  2964                 # Raspberry Pi
  2965                 ARCH=netbsd
  2966                 RPI_CFLAGS="-I/usr/pkg/include -I/usr/pkg/include/interface/vcos/pthreads -I/usr/pkg/include/interface/vmcs_host/linux"
  2967                 CFLAGS="$CFLAGS $RPI_CFLAGS"
  2968                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
  2969                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
  2970                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-R/usr/pkg/lib -L/usr/pkg/lib -lbcm_host -ldl"
  2971 
  2972                 if test x$enable_video = xyes; then
  2973                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
  2974                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
  2975                     SUMMARY_video="${SUMMARY_video} raspberry"
  2976                 fi
  2977                 ;;
  2978             *-*-netbsd*)        ARCH=netbsd ;;
  2979             *-*-openbsd*)       ARCH=openbsd ;;
  2980             *-*-sysv5*)         ARCH=sysv5 ;;
  2981             *-*-solaris*)       ARCH=solaris ;;
  2982             *-*-hpux*)          ARCH=hpux ;;
  2983             *-*-aix*)           ARCH=aix ;;
  2984             *-*-minix*)         ARCH=minix ;;
  2985         esac
  2986         CheckVisibilityHidden
  2987         CheckDeclarationAfterStatement
  2988         CheckDummyVideo
  2989         CheckDiskAudio
  2990         CheckDummyAudio
  2991         CheckDLOPEN
  2992         CheckOSS
  2993         CheckALSA
  2994         CheckPulseAudio
  2995         CheckARTSC
  2996         CheckESD
  2997         CheckNAS
  2998         CheckSNDIO
  2999         CheckFusionSound
  3000         CheckLibSampleRate
  3001         CheckX11
  3002         CheckDirectFB
  3003         CheckOpenGLX11
  3004         CheckOpenGLESX11
  3005         CheckMir
  3006         CheckWayland
  3007         CheckLibUDev
  3008         CheckDBus
  3009         CheckIME
  3010         CheckIBus
  3011         CheckFcitx
  3012         case $ARCH in
  3013           linux)
  3014               CheckInputEvents
  3015               CheckInputKD
  3016           ;;
  3017         esac
  3018         CheckTslib
  3019         CheckUSBHID
  3020         CheckPTHREAD
  3021         CheckClockGettime
  3022         CheckLinuxVersion
  3023         CheckRPATH
  3024         CheckVivanteVideo
  3025         # Set up files for the audio library
  3026         if test x$enable_audio = xyes; then
  3027           case $ARCH in
  3028             sysv5|solaris|hpux)
  3029                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ])
  3030                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  3031                 have_audio=yes
  3032             ;;
  3033             netbsd)  # Don't use this on OpenBSD, it's busted.
  3034                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD, 1, [ ])
  3035                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
  3036                 have_audio=yes
  3037             ;;
  3038             aix)
  3039                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ])
  3040                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
  3041                 have_audio=yes
  3042             ;;
  3043             android)
  3044                 AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ])
  3045                 SOURCES="$SOURCES $srcdir/src/audio/android/*.c"
  3046                 SUMMARY_audio="${SUMMARY_audio} android"
  3047                 have_audio=yes
  3048             ;;
  3049           esac
  3050         fi
  3051         # Set up files for the joystick library
  3052         if test x$enable_joystick = xyes; then
  3053           case $ARCH in
  3054             linux)
  3055                 AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ])
  3056                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
  3057                 have_joystick=yes
  3058             ;;
  3059             android)
  3060                 AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ])
  3061                 SOURCES="$SOURCES $srcdir/src/joystick/android/*.c"
  3062                 have_joystick=yes
  3063             ;;
  3064           esac
  3065         fi
  3066         # Set up files for the haptic library
  3067         if test x$enable_haptic = xyes; then
  3068            if test x$use_input_events = xyes; then
  3069              case $ARCH in
  3070                linux)
  3071                    AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ])
  3072                    SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"
  3073                    have_haptic=yes
  3074                ;;
  3075              esac
  3076            fi
  3077         fi
  3078         # Set up files for the power library
  3079         if test x$enable_power = xyes; then
  3080              case $ARCH in
  3081                linux)
  3082                    AC_DEFINE(SDL_POWER_LINUX, 1, [ ])
  3083                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"
  3084                    have_power=yes
  3085                ;;
  3086                android)
  3087                    AC_DEFINE(SDL_POWER_ANDROID, 1, [ ])
  3088                    SOURCES="$SOURCES $srcdir/src/power/android/*.c"
  3089                    have_power=yes
  3090                ;;
  3091              esac
  3092         fi
  3093         # Set up files for the filesystem library
  3094         if test x$enable_filesystem = xyes; then
  3095              case $ARCH in
  3096                android)
  3097                    AC_DEFINE(SDL_FILESYSTEM_ANDROID, 1, [ ])
  3098                    SOURCES="$SOURCES $srcdir/src/filesystem/android/*.c"
  3099                    have_filesystem=yes
  3100                ;;
  3101                *)
  3102                    AC_DEFINE(SDL_FILESYSTEM_UNIX, 1, [ ])
  3103                    SOURCES="$SOURCES $srcdir/src/filesystem/unix/*.c"
  3104                    have_filesystem=yes
  3105                ;;
  3106              esac
  3107         fi
  3108         # Set up files for the timer library
  3109         if test x$enable_timers = xyes; then
  3110             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3111             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3112             have_timers=yes
  3113         fi
  3114         # Set up files for udev hotplugging support
  3115         if test x$enable_libudev = xyes && test x$have_libudev_h_hdr = xyes; then
  3116             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_udev.c"               
  3117         fi
  3118         # Set up files for evdev input
  3119         if test x$use_input_events = xyes; then
  3120             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev.c"
  3121         fi       
  3122         ;;
  3123     *-*-cygwin* | *-*-mingw32*)
  3124         ARCH=win32
  3125         if test "$build" != "$host"; then # cross-compiling
  3126             # Default cross-compile location
  3127             ac_default_prefix=/usr/local/cross-tools/$host
  3128         else
  3129             # Look for the location of the tools and install there
  3130             if test "$BUILD_PREFIX" != ""; then
  3131                 ac_default_prefix=$BUILD_PREFIX
  3132             fi
  3133         fi
  3134         CheckDummyVideo
  3135         CheckDiskAudio
  3136         CheckDummyAudio
  3137         CheckWINDOWS
  3138         CheckWINDOWSGL
  3139         CheckWINDOWSGLES
  3140         CheckDIRECTX
  3141 
  3142         # Set up the core platform files
  3143         SOURCES="$SOURCES $srcdir/src/core/windows/*.c"
  3144 
  3145         # Set up files for the video library
  3146         if test x$enable_video = xyes; then
  3147             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])
  3148             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
  3149             have_video=yes
  3150             AC_ARG_ENABLE(render-d3d,
  3151 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
  3152                                 , enable_render_d3d=yes)
  3153             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
  3154                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])
  3155             fi
  3156             if test x$enable_render_d3d = xyes -a x$have_d3d11 = xyes; then
  3157                 AC_DEFINE(SDL_VIDEO_RENDER_D3D11, 1, [ ])
  3158             fi
  3159         fi
  3160         # Set up files for the audio library
  3161         if test x$enable_audio = xyes; then
  3162             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])
  3163             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"
  3164             if test x$have_dsound = xyes; then
  3165                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])
  3166                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"
  3167             fi
  3168             if test x$have_xaudio2 = xyes; then
  3169                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
  3170                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
  3171             fi
  3172             have_audio=yes
  3173         fi
  3174         # Set up files for the joystick library
  3175         if test x$enable_joystick = xyes; then
  3176             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
  3177                 if test x$have_xinput = xyes; then
  3178                     AC_DEFINE(SDL_JOYSTICK_XINPUT, 1, [ ])
  3179                 fi
  3180                 if test x$have_dinput = xyes; then
  3181                     AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ])
  3182                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8"
  3183                 fi
  3184             else
  3185                 AC_DEFINE(SDL_JOYSTICK_WINMM, 1, [ ])
  3186             fi
  3187             SOURCES="$SOURCES $srcdir/src/joystick/windows/*.c"
  3188             have_joystick=yes
  3189         fi
  3190         if test x$enable_haptic = xyes; then
  3191             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
  3192                 if test x$have_xinput = xyes; then
  3193                     AC_DEFINE(SDL_HAPTIC_XINPUT, 1, [ ])
  3194                 fi
  3195                 if test x$have_dinput = xyes; then
  3196                     AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ])
  3197                 fi
  3198                 SOURCES="$SOURCES $srcdir/src/haptic/windows/*.c"
  3199                 have_haptic=yes
  3200             fi
  3201         fi
  3202         if test x$enable_power = xyes; then
  3203             AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ])
  3204             SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c"
  3205             have_power=yes
  3206         fi
  3207         if test x$enable_filesystem = xyes; then
  3208             AC_DEFINE(SDL_FILESYSTEM_WINDOWS, 1, [ ])
  3209             SOURCES="$SOURCES $srcdir/src/filesystem/windows/SDL_sysfilesystem.c"
  3210             have_filesystem=yes
  3211         fi
  3212         # Set up files for the thread library
  3213         if test x$enable_threads = xyes; then
  3214             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])
  3215             SOURCES="$SOURCES $srcdir/src/thread/windows/*.c"
  3216             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  3217             have_threads=yes
  3218         fi
  3219         # Set up files for the timer library
  3220         if test x$enable_timers = xyes; then
  3221             AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ])
  3222             SOURCES="$SOURCES $srcdir/src/timer/windows/*.c"
  3223             have_timers=yes
  3224         fi
  3225         # Set up files for the shared object loading library
  3226         if test x$enable_loadso = xyes; then
  3227             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])
  3228             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"
  3229             have_loadso=yes
  3230         fi
  3231         # Set up the system libraries we need
  3232         if test -f /lib/w32api/libuuid.a; then
  3233             LIBUUID=/lib/w32api/libuuid.a
  3234         else
  3235             LIBUUID=-luuid
  3236         fi
  3237         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion $LIBUUID -static-libgcc"
  3238         # The Windows platform requires special setup
  3239         VERSION_SOURCES="$srcdir/src/main/windows/*.rc"
  3240         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
  3241         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
  3242         SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows"
  3243 
  3244         # Check to see if this is a mingw or cygwin build
  3245         have_mingw32=
  3246         AC_CHECK_LIB(mingw32, main, [have_mingw32=yes])
  3247         if test x$have_mingw32 = xyes; then
  3248             SDL_LIBS="-lmingw32 $SDL_LIBS"
  3249         else
  3250             SDL_LIBS="-lcygwin $SDL_LIBS"
  3251         fi
  3252         ;;
  3253 
  3254     dnl BeOS support removed after SDL 2.0.1. Haiku still works.  --ryan.
  3255     *-*-beos*)
  3256         AC_MSG_ERROR([
  3257 *** BeOS support has been removed as of SDL 2.0.2.
  3258         ])
  3259         ;;
  3260 
  3261     *-*-haiku*)
  3262         ARCH=haiku
  3263         ac_default_prefix=/boot/system
  3264         CheckDummyVideo
  3265         CheckDiskAudio
  3266         CheckDummyAudio
  3267         CheckDLOPEN
  3268         CheckHaikuVideo
  3269         CheckHaikuGL
  3270         CheckPTHREAD
  3271 
  3272         # Set up files for the audio library
  3273         if test x$enable_audio = xyes; then
  3274             AC_DEFINE(SDL_AUDIO_DRIVER_HAIKU, 1, [ ])
  3275             SOURCES="$SOURCES $srcdir/src/audio/haiku/*.cc"
  3276             have_audio=yes
  3277         fi
  3278         # Set up files for the joystick library
  3279         if test x$enable_joystick = xyes; then
  3280             AC_DEFINE(SDL_JOYSTICK_HAIKU, 1, [ ])
  3281             SOURCES="$SOURCES $srcdir/src/joystick/haiku/*.cc"
  3282             have_joystick=yes
  3283         fi
  3284         # Set up files for the timer library
  3285         if test x$enable_timers = xyes; then
  3286             AC_DEFINE(SDL_TIMER_HAIKU, 1, [ ])
  3287             SOURCES="$SOURCES $srcdir/src/timer/haiku/*.c"
  3288             have_timers=yes
  3289         fi
  3290         # Set up files for the system power library
  3291         if test x$enable_power = xyes; then
  3292             AC_DEFINE(SDL_POWER_HAIKU, 1, [ ])
  3293             SOURCES="$SOURCES $srcdir/src/power/haiku/*.c"
  3294             have_power=yes
  3295         fi
  3296         # Set up files for the system filesystem library
  3297         if test x$enable_filesystem = xyes; then
  3298             AC_DEFINE(SDL_FILESYSTEM_HAIKU, 1, [ ])
  3299             SOURCES="$SOURCES $srcdir/src/filesystem/haiku/*.cc"
  3300             have_filesystem=yes
  3301         fi
  3302         # The Haiku platform requires special setup.
  3303         SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES"
  3304         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
  3305         ;;
  3306     arm*-apple-darwin*)
  3307         # iOS - We are not writing anything to confdefs.h because you have to replace
  3308         # SDL_config.h for SDL_config_iphoneos.h anyway
  3309         ARCH=ios
  3310 
  3311         CheckVisibilityHidden
  3312         CheckDeclarationAfterStatement
  3313         CheckDummyVideo
  3314         CheckDiskAudio
  3315         CheckDummyAudio
  3316         CheckDLOPEN
  3317         CheckCOCOA
  3318         CheckPTHREAD
  3319 
  3320 
  3321         # Set up files for the audio library
  3322         if test x$enable_audio = xyes; then
  3323             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.m"
  3324             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3325             have_audio=yes
  3326         fi
  3327         # Set up files for the joystick library
  3328         if test x$enable_joystick = xyes; then
  3329             SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m"
  3330             have_joystick=yes
  3331         fi
  3332         # Set up files for the haptic library
  3333         #if test x$enable_haptic = xyes; then
  3334         #    SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3335         #    have_haptic=yes
  3336         #    EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3337         #fi
  3338         # Set up files for the power library
  3339         if test x$enable_power = xyes; then
  3340             SOURCES="$SOURCES $srcdir/src/power/uikit/*.m"
  3341             have_power=yes
  3342         fi
  3343         # Set up files for the filesystem library
  3344         if test x$enable_filesystem = xyes; then
  3345             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3346             have_filesystem=yes
  3347         fi
  3348         # Set up files for the timer library
  3349         if test x$enable_timers = xyes; then
  3350             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3351             have_timers=yes
  3352         fi
  3353         # Set up additional files for the file library
  3354         if test x$enable_file = xyes; then
  3355             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3356         fi
  3357         # The iOS platform requires special setup.
  3358         SOURCES="$SOURCES $srcdir/src/video/uikit/*.m"
  3359         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3360         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -liconv -lobjc"
  3361         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Foundation"
  3362         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"
  3363         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGLES"
  3364         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"
  3365         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio"
  3366         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox"
  3367         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreGraphics"
  3368         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreMotion"
  3369         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,GameController"
  3370         ;;
  3371     *-*-darwin* )
  3372         # This could be either full "Mac OS X", or plain "Darwin" which is
  3373         # just the OS X kernel sans upper layers like Carbon and Cocoa.
  3374         # Next line is broken, and a few files below require Mac OS X (full)
  3375         ARCH=macosx
  3376 
  3377         # Mac OS X builds with both the Carbon and OSX APIs at the moment
  3378         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
  3379         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
  3380 
  3381         CheckVisibilityHidden
  3382         CheckDeclarationAfterStatement
  3383         CheckDummyVideo
  3384         CheckDiskAudio
  3385         CheckDummyAudio
  3386         CheckDLOPEN
  3387         CheckCOCOA
  3388         CheckX11
  3389         CheckMacGL
  3390         CheckOpenGLX11
  3391         CheckPTHREAD
  3392 
  3393         # Set up files for the audio library
  3394         if test x$enable_audio = xyes; then
  3395             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
  3396             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.m"
  3397             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox"
  3398             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3399             have_audio=yes
  3400         fi
  3401         # Set up files for the joystick library
  3402         if test x$enable_joystick = xyes; then
  3403             AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ])
  3404             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
  3405             have_joystick=yes
  3406         fi
  3407         # Set up files for the haptic library
  3408         if test x$enable_haptic = xyes; then
  3409             AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ])
  3410             SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3411             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3412             have_haptic=yes
  3413         fi
  3414         # Set up files for the power library
  3415         if test x$enable_power = xyes; then
  3416             AC_DEFINE(SDL_POWER_MACOSX, 1, [ ])
  3417             SOURCES="$SOURCES $srcdir/src/power/macosx/*.c"
  3418             have_power=yes
  3419         fi
  3420         # Set up files for the filesystem library
  3421         if test x$enable_filesystem = xyes; then
  3422             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])
  3423             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3424             have_filesystem=yes
  3425         fi
  3426         # Set up files for the timer library
  3427         if test x$enable_timers = xyes; then
  3428             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3429             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3430             have_timers=yes
  3431         fi
  3432         # Set up additional files for the file library
  3433         if test x$enable_file = xyes; then
  3434             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3435         fi
  3436         # The Mac OS X platform requires special setup.
  3437         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3438         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc"
  3439         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreVideo"
  3440         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
  3441         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
  3442         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
  3443         ;;
  3444     *-nacl|*-pnacl)
  3445         ARCH=nacl
  3446         CheckNativeClient
  3447         CheckDummyAudio
  3448         CheckDummyVideo
  3449         CheckInputEvents
  3450         CheckPTHREAD
  3451         
  3452         # Set up files for the timer library
  3453         if test x$enable_timers = xyes; then
  3454             AC_DEFINE(SDL_TIMER_UNIX)
  3455             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3456             have_timers=yes
  3457         fi
  3458         
  3459         if test x$enable_filesystem = xyes; then
  3460             AC_DEFINE(SDL_FILESYSTEM_NACL, 1, [ ])
  3461             SOURCES="$SOURCES $srcdir/src/filesystem/nacl/*.c"
  3462             have_filesystem=yes
  3463         fi
  3464         ;;
  3465     *-*-emscripten* )
  3466         if test x$enable_video = xyes; then
  3467             AC_DEFINE(SDL_VIDEO_DRIVER_EMSCRIPTEN, 1, [ ])
  3468             SOURCES="$SOURCES $srcdir/src/video/emscripten/*.c"
  3469             have_video=yes
  3470             SUMMARY_video="${SUMMARY_video} emscripten"
  3471         fi
  3472 
  3473         if test x$enable_audio = xyes; then
  3474             AC_DEFINE(SDL_AUDIO_DRIVER_EMSCRIPTEN, 1, [ ])
  3475             SOURCES="$SOURCES $srcdir/src/audio/emscripten/*.c"
  3476             have_audio=yes
  3477             SUMMARY_audio="${SUMMARY_audio} emscripten"
  3478         fi
  3479 
  3480         CheckVisibilityHidden
  3481         CheckDeclarationAfterStatement
  3482         CheckDummyVideo
  3483         CheckDiskAudio
  3484         CheckDummyAudio
  3485         CheckDLOPEN
  3486         CheckClockGettime
  3487         CheckEmscriptenGLES
  3488 
  3489          # Set up files for the power library
  3490         if test x$enable_power = xyes; then
  3491             AC_DEFINE(SDL_POWER_EMSCRIPTEN, 1, [ ])
  3492             SOURCES="$SOURCES $srcdir/src/power/emscripten/*.c"
  3493             have_power=yes
  3494         fi
  3495         
  3496         # Set up files for the power library
  3497         if test x$enable_joystick = xyes; then
  3498             AC_DEFINE(SDL_JOYSTICK_EMSCRIPTEN, 1, [ ])
  3499             SOURCES="$SOURCES $srcdir/src/joystick/emscripten/*.c"
  3500             have_joystick=yes
  3501         fi
  3502 
  3503         # Set up files for the filesystem library
  3504         if test x$enable_filesystem = xyes; then
  3505             AC_DEFINE(SDL_FILESYSTEM_EMSCRIPTEN, 1, [ ])
  3506             SOURCES="$SOURCES $srcdir/src/filesystem/emscripten/*.c"
  3507             have_filesystem=yes
  3508         fi
  3509         # Set up files for the timer library
  3510         if test x$enable_timers = xyes; then
  3511             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3512             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3513             have_timers=yes
  3514         fi
  3515         ;;
  3516     *)
  3517         AC_MSG_ERROR([
  3518 *** Unsupported host:  Please add to configure.in
  3519         ])
  3520         ;;
  3521 esac
  3522 
  3523 # Verify that we have all the platform specific files we need
  3524 
  3525 if test x$have_joystick != xyes; then
  3526     if test x$enable_joystick = xyes; then
  3527         AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
  3528     fi
  3529     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
  3530 fi
  3531 if test x$have_haptic != xyes; then
  3532     if test x$enable_haptic = xyes; then
  3533         AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
  3534     fi
  3535     SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c"
  3536 fi
  3537 if test x$have_threads != xyes; then
  3538     if test x$enable_threads = xyes; then
  3539         AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
  3540     fi
  3541     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
  3542 fi
  3543 if test x$have_timers != xyes; then
  3544     if test x$enable_timers = xyes; then
  3545         AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
  3546     fi
  3547     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
  3548 fi
  3549 if test x$have_filesystem != xyes; then
  3550     if test x$enable_filesystem = xyes; then
  3551         AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
  3552     fi
  3553     SOURCES="$SOURCES $srcdir/src/filesystem/dummy/*.c"
  3554 fi
  3555 if test x$have_loadso != xyes; then
  3556     if test x$enable_loadso = xyes; then
  3557         AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
  3558     fi
  3559     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
  3560 fi
  3561 if test x$SDLMAIN_SOURCES = x; then
  3562     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
  3563 fi
  3564 SDLTEST_SOURCES="$srcdir/src/test/*.c"
  3565 
  3566 if test x$video_wayland = xyes; then
  3567     WAYLAND_CORE_PROTOCOL_SOURCE='$(gen)/wayland-protocol.c'
  3568     WAYLAND_CORE_PROTOCOL_HEADER='$(gen)/wayland-client-protocol.h'
  3569     WAYLAND_PROTOCOLS_UNSTABLE_SOURCES=`echo $WAYLAND_PROTOCOLS_UNSTABLE |\
  3570         sed 's,[[^ ]]\+,\\$(gen)/&-protocol.c,g'`
  3571     WAYLAND_PROTOCOLS_UNSTABLE_HEADERS=`echo $WAYLAND_PROTOCOLS_UNSTABLE |\
  3572         sed 's,[[^ ]]\+,\\$(gen)/&-client-protocol.h,g'`
  3573     GEN_SOURCES="$GEN_SOURCES $WAYLAND_CORE_PROTOCOL_SOURCE $WAYLAND_PROTOCOLS_UNSTABLE_SOURCES"
  3574     GEN_HEADERS="$GEN_HEADERS $WAYLAND_CORE_PROTOCOL_HEADER $WAYLAND_PROTOCOLS_UNSTABLE_HEADERS"
  3575 
  3576     WAYLAND_CORE_PROTOCOL_SOURCE_DEPENDS="
  3577 $WAYLAND_CORE_PROTOCOL_SOURCE: $WAYLAND_CORE_PROTOCOL_DIR/wayland.xml
  3578 	\$(SHELL) \$(auxdir)/mkinstalldirs \$(gen)
  3579 	\$(RUN_CMD_GEN)\$(WAYLAND_SCANNER) code \$< \$@"
  3580 
  3581     WAYLAND_CORE_PROTOCOL_HEADER_DEPENDS="
  3582 $WAYLAND_CORE_PROTOCOL_HEADER: $WAYLAND_CORE_PROTOCOL_DIR/wayland.xml
  3583 	\$(SHELL) \$(auxdir)/mkinstalldirs \$(gen)
  3584 	\$(RUN_CMD_GEN)\$(WAYLAND_SCANNER) client-header \$< \$@"
  3585 
  3586     WAYLAND_CORE_PROTOCOL_OBJECT="
  3587 \$(objects)/`echo $WAYLAND_CORE_PROTOCOL_SOURCE | sed 's/\$(gen)\/\(.*\).c$/\1.lo/'`: $WAYLAND_CORE_PROTOCOL_SOURCE
  3588 	\$(RUN_CMD_CC)\$(LIBTOOL) --tag=CC --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \$< -o \$@"
  3589 
  3590     WAYLAND_PROTOCOLS_CLIENT_HEADER_UNSTABLE_DEPENDS=`for p in $WAYLAND_PROTOCOLS_UNSTABLE;\
  3591         do echo ; echo \$p | sed\
  3592         "s,^\\([[a-z\\-]]\\+\\)-unstable-\\(v[[0-9]]\+\\)\$,\\$(gen)/&-client-protocol.h: $WAYLAND_PROTOCOLS_DIR/unstable/\1/&.xml\\\\
  3593 	\\$(SHELL) \\$(auxdir)/mkinstalldirs \\$(gen)\\\\
  3594 	\\$(RUN_CMD_GEN)\\$(WAYLAND_SCANNER) client-header \\$< \\$@," ; done`
  3595 
  3596     WAYLAND_PROTOCOLS_CODE_UNSTABLE_DEPENDS=`for p in $WAYLAND_PROTOCOLS_UNSTABLE;\
  3597         do echo ; echo \$p | sed\
  3598         "s,^\\([[a-z\\-]]\\+\\)-unstable-\\(v[[0-9]]\+\\)\$,\\$(gen)/&-protocol.c: $WAYLAND_PROTOCOLS_DIR/unstable/\1/&.xml\\\\
  3599 	\\$(SHELL) \\$(auxdir)/mkinstalldirs \\$(gen)\\\\
  3600 	\\$(RUN_CMD_GEN)\\$(WAYLAND_SCANNER) code \\$< \\$@," ; done`
  3601 
  3602     WAYLAND_PROTOCOLS_OBJECTS_UNSTABLE=`for p in $WAYLAND_PROTOCOLS_UNSTABLE;\
  3603         do echo ; echo \$p | sed\
  3604         "s,^\\([[a-z\\-]]\\+\\)-unstable-\\(v[[0-9]]\+\\)\$,\\\$(objects)/&-protocol.lo: \\$(gen)/&-protocol.c \\$(gen)/&-client-protocol.h\\\\
  3605 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@," ; done`
  3606 
  3607     WAYLAND_PROTOCOLS_DEPENDS="
  3608 $WAYLAND_CORE_PROTOCOL_SOURCE_DEPENDS
  3609 $WAYLAND_CORE_PROTOCOL_HEADER_DEPENDS
  3610 $WAYLAND_CORE_PROTOCOL_OBJECT
  3611 $WAYLAND_PROTOCOLS_CLIENT_HEADER_UNSTABLE_DEPENDS
  3612 $WAYLAND_PROTOCOLS_CODE_UNSTABLE_DEPENDS
  3613 $WAYLAND_PROTOCOLS_OBJECTS_UNSTABLE
  3614 "
  3615 fi
  3616 
  3617 OBJECTS=`echo $SOURCES`
  3618 DEPENDS=`echo $SOURCES | tr ' ' '\n'`
  3619 for EXT in asm cc m c S; do
  3620     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`
  3621     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\
  3622 \\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
  3623 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3624 done
  3625 
  3626 GEN_OBJECTS=`echo "$GEN_SOURCES" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.lo,g'`
  3627 
  3628 VERSION_OBJECTS=`echo $VERSION_SOURCES`
  3629 VERSION_DEPENDS=`echo $VERSION_SOURCES`
  3630 VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
  3631 VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\
  3632 \\$(objects)/\\2.o: \\1/\\2.rc\\\\
  3633 	\\$(WINDRES) \\$< \\$@,g"`
  3634 
  3635 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
  3636 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
  3637 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3638 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3639 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3640 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3641 
  3642 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`
  3643 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`
  3644 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3645 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3646 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3647 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3648 
  3649 # Set runtime shared library paths as needed
  3650 
  3651 if test "x$enable_rpath" = "xyes"; then
  3652   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
  3653     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
  3654 
  3655     AC_MSG_CHECKING(for linker option --enable-new-dtags)
  3656     have_enable_new_dtags=no
  3657     save_LDFLAGS="$LDFLAGS"
  3658     LDFLAGS="$LDFLAGS -Wl,--enable-new-dtags"
  3659     AC_TRY_LINK([
  3660     ],[
  3661     ],[
  3662     have_enable_new_dtags=yes
  3663     SDL_RLD_FLAGS="$SDL_RLD_FLAGS -Wl,--enable-new-dtags"
  3664     ])
  3665     LDFLAGS="$save_LDFLAGS"
  3666     AC_MSG_RESULT($have_enable_new_dtags)
  3667   fi
  3668   if test $ARCH = solaris; then
  3669     SDL_RLD_FLAGS="-R\${libdir}"
  3670   fi
  3671 else
  3672   SDL_RLD_FLAGS=""
  3673 fi
  3674 
  3675 SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
  3676 
  3677 dnl Expand the cflags and libraries needed by apps using SDL
  3678 AC_SUBST(SDL_CFLAGS)
  3679 AC_SUBST(SDL_LIBS)
  3680 AC_SUBST(SDL_STATIC_LIBS)
  3681 AC_SUBST(SDL_RLD_FLAGS)
  3682 if test x$enable_shared = xyes; then
  3683     ENABLE_SHARED_TRUE=
  3684     ENABLE_SHARED_FALSE="#"
  3685 else
  3686     ENABLE_SHARED_TRUE="#"
  3687     ENABLE_SHARED_FALSE=
  3688 fi
  3689 if test x$enable_static = xyes; then
  3690     ENABLE_STATIC_TRUE=
  3691     ENABLE_STATIC_FALSE="#"
  3692 else
  3693     ENABLE_STATIC_TRUE="#"
  3694     ENABLE_STATIC_FALSE=
  3695 fi
  3696 AC_SUBST(ENABLE_SHARED_TRUE)
  3697 AC_SUBST(ENABLE_SHARED_FALSE)
  3698 AC_SUBST(ENABLE_STATIC_TRUE)
  3699 AC_SUBST(ENABLE_STATIC_FALSE)
  3700 
  3701 dnl Expand the sources and objects needed to build the library
  3702 AC_SUBST(ac_aux_dir)
  3703 AC_SUBST(INCLUDE)
  3704 AC_SUBST(OBJECTS)
  3705 AC_SUBST(GEN_HEADERS)
  3706 AC_SUBST(GEN_OBJECTS)
  3707 AC_SUBST(VERSION_OBJECTS)
  3708 AC_SUBST(SDLMAIN_OBJECTS)
  3709 AC_SUBST(SDLTEST_OBJECTS)
  3710 AC_SUBST(BUILD_CFLAGS)
  3711 AC_SUBST(EXTRA_CFLAGS)
  3712 AC_SUBST(BUILD_LDFLAGS)
  3713 AC_SUBST(EXTRA_LDFLAGS)
  3714 AC_SUBST(WINDRES)
  3715 AC_SUBST(WAYLAND_SCANNER)
  3716 
  3717 cat >Makefile.rules <<__EOF__
  3718 
  3719 # Build rules for objects
  3720 -include \$(OBJECTS:.lo=.d)
  3721 
  3722 # Special dependency for SDL.c, since it depends on SDL_revision.h
  3723 $srcdir/src/SDL.c: update-revision
  3724 $DEPENDS
  3725 $VERSION_DEPENDS
  3726 $SDLMAIN_DEPENDS
  3727 $SDLTEST_DEPENDS
  3728 $WAYLAND_PROTOCOLS_DEPENDS
  3729 __EOF__
  3730 
  3731 AC_CONFIG_FILES([
  3732     Makefile:Makefile.in:Makefile.rules sdl2-config sdl2-config.cmake SDL2.spec sdl2.pc
  3733 ])
  3734 AC_CONFIG_COMMANDS([sdl2_config],[chmod a+x sdl2-config])
  3735 
  3736 SUMMARY="SDL2 Configure Summary:\n"
  3737 if test x$enable_shared = xyes; then
  3738     SUMMARY="${SUMMARY}Building Shared Libraries\n"
  3739 fi
  3740 if test x$enable_static = xyes; then
  3741     SUMMARY="${SUMMARY}Building Static Libraries\n"
  3742 fi
  3743 SUMMARY="${SUMMARY}Enabled modules :${SUMMARY_modules}\n"
  3744 SUMMARY="${SUMMARY}Assembly Math   :${SUMMARY_math}\n" 
  3745 SUMMARY="${SUMMARY}Audio drivers   :${SUMMARY_audio}\n"
  3746 SUMMARY="${SUMMARY}Video drivers   :${SUMMARY_video}\n"
  3747 if test x$have_x = xyes; then
  3748     SUMMARY="${SUMMARY}X11 libraries   :${SUMMARY_video_x11}\n"
  3749 fi
  3750 SUMMARY="${SUMMARY}Input drivers   :${SUMMARY_input}\n"
  3751 if test x$have_libudev_h_hdr = xyes; then
  3752     SUMMARY="${SUMMARY}Using libudev   : YES\n"
  3753 else
  3754     SUMMARY="${SUMMARY}Using libudev   : NO\n"
  3755 fi
  3756 if test x$have_dbus_dbus_h_hdr = xyes; then
  3757     SUMMARY="${SUMMARY}Using dbus      : YES\n"
  3758 else
  3759     SUMMARY="${SUMMARY}Using dbus      : NO\n"
  3760 fi
  3761 if test x$enable_ime = xyes; then
  3762     SUMMARY="${SUMMARY}Using ime       : YES\n"
  3763 else
  3764     SUMMARY="${SUMMARY}Using ime       : NO\n"
  3765 fi
  3766 if test x$have_ibus_ibus_h_hdr = xyes; then
  3767     SUMMARY="${SUMMARY}Using ibus      : YES\n"
  3768 else
  3769     SUMMARY="${SUMMARY}Using ibus      : NO\n"
  3770 fi
  3771 if test x$have_fcitx_frontend_h_hdr = xyes; then
  3772     SUMMARY="${SUMMARY}Using fcitx     : YES\n"
  3773 else
  3774     SUMMARY="${SUMMARY}Using fcitx     : NO\n"
  3775 fi
  3776 AC_CONFIG_COMMANDS([summary], [echo -en "$SUMMARY"], [SUMMARY="$SUMMARY"])
  3777 
  3778 AC_OUTPUT