configure.in
author Jonas Ådahl <jadahl@gmail.com>
Thu, 23 Jun 2016 18:39:05 +0800
changeset 10303 b326f93e1bc5
parent 10089 25fda20d0173
child 10304 ee83e0b4a36f
permissions -rw-r--r--
wayland: Build own version of core protocol

Since we are loading shared objects dynamically, build our own version of the
core protocol symbols, so that we in the future can include protocol
extensions.
     1 dnl Process this file with autoconf to produce a configure script.
     2 AC_INIT(README.txt)
     3 AC_CONFIG_HEADER(include/SDL_config.h)
     4 AC_CONFIG_AUX_DIR(build-scripts)
     5 AC_CONFIG_MACRO_DIR([acinclude])
     6 
     7 dnl Save the CFLAGS to see whether they were passed in or generated
     8 orig_CFLAGS="$CFLAGS"
     9 
    10 dnl Set various version strings - taken gratefully from the GTk sources
    11 #
    12 # Making releases:
    13 # Edit include/SDL_version.h and change the version, then:
    14 #   SDL_MICRO_VERSION += 1;
    15 #   SDL_INTERFACE_AGE += 1;
    16 #   SDL_BINARY_AGE += 1;
    17 # if any functions have been added, set SDL_INTERFACE_AGE to 0.
    18 # if backwards compatibility has been broken,
    19 # set SDL_BINARY_AGE and SDL_INTERFACE_AGE to 0.
    20 #
    21 SDL_MAJOR_VERSION=2
    22 SDL_MINOR_VERSION=0
    23 SDL_MICRO_VERSION=4
    24 SDL_INTERFACE_AGE=0
    25 SDL_BINARY_AGE=4
    26 SDL_VERSION=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION.$SDL_MICRO_VERSION
    27 
    28 AC_SUBST(SDL_MAJOR_VERSION)
    29 AC_SUBST(SDL_MINOR_VERSION)
    30 AC_SUBST(SDL_MICRO_VERSION)
    31 AC_SUBST(SDL_INTERFACE_AGE)
    32 AC_SUBST(SDL_BINARY_AGE)
    33 AC_SUBST(SDL_VERSION)
    34 
    35 # libtool versioning
    36 LT_INIT([win32-dll])
    37 
    38 LT_RELEASE=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION
    39 LT_CURRENT=`expr $SDL_MICRO_VERSION - $SDL_INTERFACE_AGE`
    40 LT_REVISION=$SDL_INTERFACE_AGE
    41 LT_AGE=`expr $SDL_BINARY_AGE - $SDL_INTERFACE_AGE`
    42 m4_pattern_allow([^LT_])
    43 
    44 AC_SUBST(LT_RELEASE)
    45 AC_SUBST(LT_CURRENT)
    46 AC_SUBST(LT_REVISION)
    47 AC_SUBST(LT_AGE)
    48 
    49 dnl Detect the canonical build and host environments
    50 dnl AC_CANONICAL_HOST
    51 
    52 dnl Check for tools
    53 AC_PROG_LIBTOOL
    54 AC_PROG_CC
    55 AC_PROG_CXX
    56 AC_PROG_INSTALL
    57 AC_PROG_MAKE_SET
    58 AC_CHECK_TOOL(WINDRES, [windres], [:])
    59 
    60 dnl Make sure that srcdir is a full pathname
    61 case "$host" in
    62     *-*-mingw32*)
    63         # Except on msys, where make can't handle full pathnames (bug 1972)
    64         ;;
    65     *)
    66         srcdir=`cd $srcdir && pwd`
    67         ;;
    68 esac
    69 
    70 dnl Set up the compiler and linker flags
    71 INCLUDE="-I$srcdir/include"
    72 if test x$srcdir != x.; then
    73     INCLUDE="-Iinclude $INCLUDE"
    74 elif test -d .hg; then
    75     AC_MSG_ERROR([
    76 *** When building from Mercurial you should configure and build in a
    77     separate directory so you don't clobber SDL_config.h, SDL_revision.h
    78 ])
    79 fi
    80 BASE_CFLAGS=""
    81 BASE_LDFLAGS=""
    82 case "$host" in
    83     *-*-cygwin*)
    84         # We build SDL on cygwin without the UNIX emulation layer
    85         save_CFLAGS="$CFLAGS"
    86         have_no_cygwin=no
    87         AC_MSG_CHECKING(for GCC -mno-cygwin option)
    88         CFLAGS="$save_CFLAGS -mno-cygwin"
    89 
    90         AC_TRY_COMPILE([
    91         ],[
    92         ],[
    93         have_no_cygwin=yes
    94         ])
    95         AC_MSG_RESULT($have_no_cygwin)
    96         CFLAGS="$save_CFLAGS"
    97 
    98         if test x$have_no_cygwin = xyes; then
    99             BASE_CFLAGS="-mno-cygwin"
   100             BASE_LDFLAGS="-mno-cygwin"
   101         fi
   102         BASE_CFLAGS="$BASE_CFLAGS -I/usr/include/mingw"
   103         ;;
   104 esac
   105 # Uncomment the following line if you want to force SDL and applications
   106 # built with it to be compiled for a particular architecture.
   107 #AX_GCC_ARCHFLAG([no], [BASE_CFLAGS="$BASE_CFLAGS $ax_cv_gcc_archflag]")
   108 BUILD_CFLAGS="$CFLAGS $CPPFLAGS -DUSING_GENERATED_CONFIG_H"
   109 # The default optimization for SDL is -O3 (Bug #31)
   110 if test "x$orig_CFLAGS" = x; then
   111     BUILD_CFLAGS=`echo $BUILD_CFLAGS | sed 's/-O2/-O3/'`
   112 fi
   113 EXTRA_CFLAGS="$INCLUDE $BASE_CFLAGS"
   114 BUILD_LDFLAGS="$LDFLAGS"
   115 EXTRA_LDFLAGS="$BASE_LDFLAGS"
   116 ## These are common directories to find software packages
   117 #for path in /usr/freeware /usr/pkg /usr/X11R6 /usr/local; do
   118 #    if test -d $path/include; then
   119 #        EXTRA_CFLAGS="$EXTRA_CFLAGS -I$path/include"
   120 #    fi
   121 #    if test -d $path/lib; then
   122 #        EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L$path/lib"
   123 #    fi
   124 #done
   125 SDL_CFLAGS="$BASE_CFLAGS"
   126 SDL_LIBS="-lSDL2 $BASE_LDFLAGS"
   127 CPPFLAGS="$CPPFLAGS $EXTRA_CFLAGS"
   128 CFLAGS="$CFLAGS $EXTRA_CFLAGS"
   129 LDFLAGS="$LDFLAGS $EXTRA_LDFLAGS"
   130 
   131 dnl set this to use on systems that use lib64 instead of lib
   132 base_libdir=`echo \${libdir} | sed 's/.*\/\(.*\)/\1/; q'`
   133 
   134 dnl Function to find a library in the compiler search path
   135 find_lib()
   136 {
   137     gcc_bin_path=[`$CC -print-search-dirs 2>/dev/null | fgrep programs: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
   138     gcc_lib_path=[`$CC -print-search-dirs 2>/dev/null | fgrep libraries: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
   139     env_lib_path=[`echo $LIBS $LDFLAGS $* | sed 's/-L[ ]*//g'`]
   140     if test "$cross_compiling" = yes; then
   141         host_lib_path=""
   142     else
   143         host_lib_path="/usr/$base_libdir /usr/local/$base_libdir"
   144     fi
   145     for path in $env_lib_path $gcc_bin_path $gcc_lib_path $host_lib_path; do
   146         lib=[`ls -- $path/$1 2>/dev/null | sed -e '/\.so\..*\./d' -e 's,.*/,,' | sort | tail -1`]
   147         if test x$lib != x; then
   148             echo $lib
   149             return
   150         fi
   151     done
   152 }
   153 
   154 dnl Check for compiler characteristics
   155 AC_C_CONST
   156 AC_C_INLINE
   157 AC_C_VOLATILE
   158 
   159 dnl See whether we want assertions for debugging/sanity checking SDL itself.
   160 AC_ARG_ENABLE(assertions,
   161 AC_HELP_STRING([--enable-assertions],
   162                [Enable internal sanity checks (auto/disabled/release/enabled/paranoid) [[default=auto]]]),
   163               , enable_assertions=auto)
   164 case "$enable_assertions" in
   165     auto) # Use optimization settings to determine assertion level
   166         ;;
   167     disabled)
   168         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 0, [ ])
   169         ;;
   170     release)
   171         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 1, [ ])
   172         ;;
   173     enabled)
   174         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 2, [ ])
   175         ;;
   176     paranoid)
   177         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 3, [ ])
   178         ;;
   179     *)
   180         AC_MSG_ERROR([*** unknown assertion level. stop.])
   181         ;;
   182 esac
   183 
   184 dnl See whether we can use gcc style dependency tracking
   185 AC_ARG_ENABLE(dependency-tracking,
   186 AC_HELP_STRING([--enable-dependency-tracking],
   187                [Use gcc -MMD -MT dependency tracking [[default=yes]]]),
   188               , enable_dependency_tracking=yes)
   189 if test x$enable_dependency_tracking = xyes; then
   190     have_gcc_mmd_mt=no
   191     AC_MSG_CHECKING(for GCC -MMD -MT option)
   192     AC_TRY_COMPILE([
   193     #if !defined(__GNUC__) || __GNUC__ < 3
   194     #error Dependency tracking requires GCC 3.0 or newer
   195     #endif
   196     ],[
   197     ],[
   198     have_gcc_mmd_mt=yes
   199     ])
   200     AC_MSG_RESULT($have_gcc_mmd_mt)
   201 
   202     if test x$have_gcc_mmd_mt = xyes; then
   203         DEPENDENCY_TRACKING_OPTIONS="-MMD -MT \$@"
   204     fi
   205 fi
   206 
   207 AC_MSG_CHECKING(for linker option --no-undefined)
   208 have_no_undefined=no
   209 case "$host" in
   210     dnl Skip this on platforms where it is just simply busted.
   211     *-*-openbsd*)
   212         ;;
   213 
   214     *)
   215         save_LDFLAGS="$LDFLAGS"
   216         LDFLAGS="$LDFLAGS -Wl,--no-undefined"
   217         AC_TRY_LINK([
   218         ],[
   219         ],[
   220         have_no_undefined=yes
   221         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,--no-undefined"
   222         ])
   223         LDFLAGS="$save_LDFLAGS"
   224         ;;
   225 esac
   226 AC_MSG_RESULT($have_no_undefined)
   227 
   228 dnl See whether we are allowed to use the system C library
   229 AC_ARG_ENABLE(libc,
   230 AC_HELP_STRING([--enable-libc], [Use the system C library [[default=yes]]]),
   231               , enable_libc=yes)
   232 if test x$enable_libc = xyes; then
   233     AC_DEFINE(HAVE_LIBC, 1, [ ])
   234 
   235     dnl Check for C library headers
   236     AC_HEADER_STDC
   237     AC_CHECK_HEADERS(sys/types.h stdio.h stdlib.h stddef.h stdarg.h malloc.h memory.h string.h strings.h inttypes.h stdint.h ctype.h math.h iconv.h signal.h)
   238 
   239     dnl Check for typedefs, structures, etc.
   240     AC_TYPE_SIZE_T
   241 
   242     dnl Check for defines
   243     AC_CHECK_DEFINE(M_PI, math.h)
   244 
   245     dnl Checks for library functions.
   246     case "$host" in
   247     *-*-cygwin* | *-*-mingw32*)
   248         ;;
   249     *)
   250         AC_FUNC_ALLOCA
   251         ;;
   252     esac
   253 
   254     AC_FUNC_MEMCMP
   255     if test x$ac_cv_func_memcmp_working = xyes; then
   256         AC_DEFINE(HAVE_MEMCMP, 1, [ ])
   257     fi
   258     AC_FUNC_STRTOD
   259     if test x$ac_cv_func_strtod = xyes; then
   260         AC_DEFINE(HAVE_STRTOD, 1, [ ])
   261     fi
   262     AC_CHECK_FUNC(mprotect,
   263         AC_TRY_COMPILE([
   264           #include <sys/types.h>
   265           #include <sys/mman.h>
   266         ],[
   267         ],[
   268         AC_DEFINE(HAVE_MPROTECT, 1, [ ])
   269         ]),
   270     )
   271     AC_CHECK_FUNCS(malloc calloc realloc free getenv setenv putenv unsetenv qsort abs bcopy memset memcpy memmove strlen strlcpy strlcat strdup _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp vsscanf vsnprintf fseeko fseeko64 sigaction setjmp nanosleep sysconf sysctlbyname)
   272 
   273     AC_CHECK_LIB(m, pow, [LIBS="$LIBS -lm"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm"])
   274     AC_CHECK_FUNCS(atan atan2 acos asin ceil copysign cos cosf fabs floor log pow scalbn sin sinf sqrt sqrtf tan tanf)
   275 
   276     AC_CHECK_LIB(iconv, iconv_open, [LIBS="$LIBS -liconv"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -liconv"])
   277     AC_CHECK_FUNCS(iconv)
   278 
   279     AC_CHECK_MEMBER(struct sigaction.sa_sigaction,[AC_DEFINE(HAVE_SA_SIGACTION)], ,[#include <signal.h>])
   280 fi
   281 
   282 dnl AC_CHECK_SIZEOF(void*)
   283 
   284 dnl See whether we can use gcc atomic operations on this architecture
   285 AC_ARG_ENABLE(gcc-atomics,
   286 AC_HELP_STRING([--enable-gcc-atomics],
   287                [Use gcc builtin atomics [[default=yes]]]),
   288               , enable_gcc_atomics=yes)
   289 if test x$enable_gcc_atomics = xyes; then
   290     have_gcc_atomics=no
   291     AC_MSG_CHECKING(for GCC builtin atomic operations)
   292     AC_TRY_LINK([
   293     ],[
   294     int a;
   295     void *x, *y, *z;
   296     __sync_lock_test_and_set(&a, 4);
   297     __sync_lock_test_and_set(&x, y);
   298     __sync_fetch_and_add(&a, 1);
   299     __sync_bool_compare_and_swap(&a, 5, 10);
   300     __sync_bool_compare_and_swap(&x, y, z);
   301     ],[
   302     have_gcc_atomics=yes
   303     ])
   304     AC_MSG_RESULT($have_gcc_atomics)
   305 
   306     if test x$have_gcc_atomics = xyes; then
   307         AC_DEFINE(HAVE_GCC_ATOMICS, 1, [ ])
   308     else
   309         # See if we have the minimum operation needed for GCC atomics
   310         AC_TRY_LINK([
   311         ],[
   312         int a;
   313         __sync_lock_test_and_set(&a, 1);
   314         __sync_lock_release(&a);
   315         ],[
   316         have_gcc_sync_lock_test_and_set=yes
   317         ])
   318         if test x$have_gcc_sync_lock_test_and_set = xyes; then
   319             AC_DEFINE(HAVE_GCC_SYNC_LOCK_TEST_AND_SET, 1, [ ])
   320         fi
   321     fi
   322 fi
   323 
   324 # Standard C sources
   325 SOURCES="$SOURCES $srcdir/src/*.c"
   326 SOURCES="$SOURCES $srcdir/src/atomic/*.c"
   327 SOURCES="$SOURCES $srcdir/src/audio/*.c"
   328 SOURCES="$SOURCES $srcdir/src/cpuinfo/*.c"
   329 SOURCES="$SOURCES $srcdir/src/dynapi/*.c"
   330 SOURCES="$SOURCES $srcdir/src/events/*.c"
   331 SOURCES="$SOURCES $srcdir/src/file/*.c"
   332 SOURCES="$SOURCES $srcdir/src/haptic/*.c"
   333 SOURCES="$SOURCES $srcdir/src/joystick/*.c"
   334 SOURCES="$SOURCES $srcdir/src/libm/*.c"
   335 SOURCES="$SOURCES $srcdir/src/power/*.c"
   336 #SOURCES="$SOURCES $srcdir/src/filesystem/*.c"
   337 SOURCES="$SOURCES $srcdir/src/render/*.c"
   338 SOURCES="$SOURCES $srcdir/src/render/*/*.c"
   339 SOURCES="$SOURCES $srcdir/src/stdlib/*.c"
   340 SOURCES="$SOURCES $srcdir/src/thread/*.c"
   341 SOURCES="$SOURCES $srcdir/src/timer/*.c"
   342 SOURCES="$SOURCES $srcdir/src/video/*.c"
   343 
   344 dnl Enable/disable various subsystems of the SDL library
   345 
   346 AC_ARG_ENABLE(atomic,
   347 AC_HELP_STRING([--enable-atomic], [Enable the atomic operations subsystem [[default=yes]]]),
   348               , enable_atomic=yes)
   349 if test x$enable_atomic != xyes; then
   350     AC_DEFINE(SDL_ATOMIC_DISABLED, 1, [ ])
   351 else
   352     SUMMARY_modules="${SUMMARY_modules} atomic"
   353 fi
   354 AC_ARG_ENABLE(audio,
   355 AC_HELP_STRING([--enable-audio], [Enable the audio subsystem [[default=yes]]]),
   356               , enable_audio=yes)
   357 if test x$enable_audio != xyes; then
   358     AC_DEFINE(SDL_AUDIO_DISABLED, 1, [ ])
   359 else
   360     SUMMARY_modules="${SUMMARY_modules} audio"
   361 fi
   362 AC_ARG_ENABLE(video,
   363 AC_HELP_STRING([--enable-video], [Enable the video subsystem [[default=yes]]]),
   364               , enable_video=yes)
   365 if test x$enable_video != xyes; then
   366     AC_DEFINE(SDL_VIDEO_DISABLED, 1, [ ])
   367 else
   368     SUMMARY_modules="${SUMMARY_modules} video"
   369 fi
   370 AC_ARG_ENABLE(render,
   371 AC_HELP_STRING([--enable-render], [Enable the render subsystem [[default=yes]]]),
   372               , enable_render=yes)
   373 if test x$enable_render != xyes; then
   374     AC_DEFINE(SDL_RENDER_DISABLED, 1, [ ])
   375 else
   376     SUMMARY_modules="${SUMMARY_modules} render"
   377 fi
   378 AC_ARG_ENABLE(events,
   379 AC_HELP_STRING([--enable-events], [Enable the events subsystem [[default=yes]]]),
   380               , enable_events=yes)
   381 if test x$enable_events != xyes; then
   382     AC_DEFINE(SDL_EVENTS_DISABLED, 1, [ ])
   383 else
   384     SUMMARY_modules="${SUMMARY_modules} events"
   385 fi
   386 AC_ARG_ENABLE(joystick,
   387 AC_HELP_STRING([--enable-joystick], [Enable the joystick subsystem [[default=yes]]]),
   388               , enable_joystick=yes)
   389 if test x$enable_joystick != xyes; then
   390     AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
   391 else
   392     SUMMARY_modules="${SUMMARY_modules} joystick"
   393 fi
   394 AC_ARG_ENABLE(haptic,
   395 AC_HELP_STRING([--enable-haptic], [Enable the haptic (force feedback) subsystem [[default=yes]]]),
   396               , enable_haptic=yes)
   397 if test x$enable_haptic != xyes; then
   398     AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
   399 else
   400     SUMMARY_modules="${SUMMARY_modules} haptic"
   401 fi
   402 AC_ARG_ENABLE(power,
   403 AC_HELP_STRING([--enable-power], [Enable the power subsystem [[default=yes]]]),
   404               , enable_power=yes)
   405 if test x$enable_power != xyes; then
   406     AC_DEFINE(SDL_POWER_DISABLED, 1, [ ])
   407 else
   408     SUMMARY_modules="${SUMMARY_modules} power"
   409 fi
   410 AC_ARG_ENABLE(filesystem,
   411 AC_HELP_STRING([--enable-filesystem], [Enable the filesystem subsystem [[default=yes]]]),
   412               , enable_filesystem=yes)
   413 if test x$enable_filesystem != xyes; then
   414     AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
   415 else
   416     SUMMARY_modules="${SUMMARY_modules} filesystem"
   417 fi
   418 AC_ARG_ENABLE(threads,
   419 AC_HELP_STRING([--enable-threads], [Enable the threading subsystem [[default=yes]]]),
   420               , enable_threads=yes)
   421 if test x$enable_threads != xyes; then
   422     AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
   423 else
   424     SUMMARY_modules="${SUMMARY_modules} threads"
   425 fi
   426 AC_ARG_ENABLE(timers,
   427 AC_HELP_STRING([--enable-timers], [Enable the timer subsystem [[default=yes]]]),
   428               , enable_timers=yes)
   429 if test x$enable_timers != xyes; then
   430     AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
   431 else
   432     SUMMARY_modules="${SUMMARY_modules} timers"
   433 fi
   434 AC_ARG_ENABLE(file,
   435 AC_HELP_STRING([--enable-file], [Enable the file subsystem [[default=yes]]]),
   436               , enable_file=yes)
   437 if test x$enable_file != xyes; then
   438     AC_DEFINE(SDL_FILE_DISABLED, 1, [ ])
   439 else
   440     SUMMARY_modules="${SUMMARY_modules} file"
   441 fi
   442 AC_ARG_ENABLE(loadso,
   443 AC_HELP_STRING([--enable-loadso], [Enable the shared object loading subsystem [[default=yes]]]),
   444               , enable_loadso=yes)
   445 if test x$enable_loadso != xyes; then
   446     AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
   447 else
   448     SUMMARY_modules="${SUMMARY_modules} loadso"
   449 fi
   450 AC_ARG_ENABLE(cpuinfo,
   451 AC_HELP_STRING([--enable-cpuinfo], [Enable the cpuinfo subsystem [[default=yes]]]),
   452               , enable_cpuinfo=yes)
   453 if test x$enable_cpuinfo != xyes; then
   454     AC_DEFINE(SDL_CPUINFO_DISABLED, 1, [ ])
   455 else
   456     SUMMARY_modules="${SUMMARY_modules} cpuinfo"
   457 fi
   458 AC_ARG_ENABLE(assembly,
   459 AC_HELP_STRING([--enable-assembly], [Enable assembly routines [[default=yes]]]),
   460               , enable_assembly=yes)
   461 if test x$enable_assembly = xyes; then
   462     SUMMARY_modules="${SUMMARY_modules} assembly"
   463 
   464     AC_DEFINE(SDL_ASSEMBLY_ROUTINES, 1, [ ])
   465 
   466     # Make sure that we don't generate floating point code that would
   467     # cause illegal instruction exceptions on older processors
   468     case "$host" in
   469         *-*-darwin*)
   470             # Don't need to worry about Apple hardware, it's all SSE capable
   471             default_ssemath=yes
   472             ;;
   473         *64-*-*)
   474             # x86 64-bit architectures all have SSE instructions
   475             default_ssemath=yes
   476             ;;
   477         *)
   478             default_ssemath=no
   479             ;;
   480     esac
   481     AC_ARG_ENABLE(ssemath,
   482 AC_HELP_STRING([--enable-ssemath], [Allow GCC to use SSE floating point math [[default=no]]]),
   483                   , enable_ssemath=$default_ssemath)
   484     if test x$enable_ssemath = xno; then
   485         if test x$have_gcc_sse = xyes -o x$have_gcc_sse2 = xyes; then
   486             EXTRA_CFLAGS="$EXTRA_CFLAGS -mfpmath=387"
   487         fi
   488     fi
   489 
   490     dnl Check for various instruction support
   491     AC_ARG_ENABLE(mmx,
   492 AC_HELP_STRING([--enable-mmx], [use MMX assembly routines [[default=yes]]]),
   493                   , enable_mmx=yes)
   494     if test x$enable_mmx = xyes; then
   495         save_CFLAGS="$CFLAGS"
   496         have_gcc_mmx=no
   497         AC_MSG_CHECKING(for GCC -mmmx option)
   498         mmx_CFLAGS="-mmmx"
   499         CFLAGS="$save_CFLAGS $mmx_CFLAGS"
   500 
   501         AC_TRY_COMPILE([
   502         #ifdef __MINGW32__
   503         #include <_mingw.h>
   504         #ifdef __MINGW64_VERSION_MAJOR
   505         #include <intrin.h>
   506         #else
   507         #include <mmintrin.h>
   508         #endif
   509         #else
   510         #include <mmintrin.h>
   511         #endif
   512         #ifndef __MMX__
   513         #error Assembler CPP flag not enabled
   514         #endif
   515         ],[
   516         ],[
   517         have_gcc_mmx=yes
   518         ])
   519         AC_MSG_RESULT($have_gcc_mmx)
   520         CFLAGS="$save_CFLAGS"
   521 
   522         if test x$have_gcc_mmx = xyes; then
   523             EXTRA_CFLAGS="$EXTRA_CFLAGS $mmx_CFLAGS"
   524             SUMMARY_math="${SUMMARY_math} mmx"
   525         fi
   526     fi
   527 
   528     AC_ARG_ENABLE(3dnow,
   529 AC_HELP_STRING([--enable-3dnow], [use 3DNow! assembly routines [[default=yes]]]),
   530                   , enable_3dnow=yes)
   531     if test x$enable_3dnow = xyes; then
   532         save_CFLAGS="$CFLAGS"
   533         have_gcc_3dnow=no
   534         AC_MSG_CHECKING(for GCC -m3dnow option)
   535         amd3dnow_CFLAGS="-m3dnow"
   536         CFLAGS="$save_CFLAGS $amd3dnow_CFLAGS"
   537 
   538         AC_TRY_LINK([
   539         #include <mm3dnow.h>
   540         #ifndef __3dNOW__
   541         #error Assembler CPP flag not enabled
   542         #endif
   543         ],[
   544         void *p = 0;
   545         _m_prefetch(p);
   546         ],[
   547         have_gcc_3dnow=yes
   548         ])
   549         AC_MSG_RESULT($have_gcc_3dnow)
   550         CFLAGS="$save_CFLAGS"
   551 
   552         if test x$have_gcc_3dnow = xyes; then
   553             EXTRA_CFLAGS="$EXTRA_CFLAGS $amd3dnow_CFLAGS"
   554             SUMMARY_math="${SUMMARY_math} 3dnow"
   555         fi
   556     fi
   557 
   558     AC_ARG_ENABLE(sse,
   559 AC_HELP_STRING([--enable-sse], [use SSE assembly routines [[default=yes]]]),
   560                   , enable_sse=yes)
   561     if test x$enable_sse = xyes; then
   562         save_CFLAGS="$CFLAGS"
   563         have_gcc_sse=no
   564         AC_MSG_CHECKING(for GCC -msse option)
   565         sse_CFLAGS="-msse"
   566         CFLAGS="$save_CFLAGS $sse_CFLAGS"
   567 
   568         AC_TRY_COMPILE([
   569         #ifdef __MINGW32__
   570         #include <_mingw.h>
   571         #ifdef __MINGW64_VERSION_MAJOR
   572         #include <intrin.h>
   573         #else
   574         #include <xmmintrin.h>
   575         #endif
   576         #else
   577         #include <xmmintrin.h>
   578         #endif
   579         #ifndef __SSE__
   580         #error Assembler CPP flag not enabled
   581         #endif
   582         ],[
   583         ],[
   584         have_gcc_sse=yes
   585         ])
   586         AC_MSG_RESULT($have_gcc_sse)
   587         CFLAGS="$save_CFLAGS"
   588 
   589         if test x$have_gcc_sse = xyes; then
   590             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse_CFLAGS"
   591             SUMMARY_math="${SUMMARY_math} sse"
   592         fi
   593     fi
   594 
   595     AC_ARG_ENABLE(sse2,
   596 AC_HELP_STRING([--enable-sse2], [use SSE2 assembly routines [[default=no]]]),
   597                   , enable_sse2=$default_ssemath)
   598     if test x$enable_sse2 = xyes; then
   599         save_CFLAGS="$CFLAGS"
   600         have_gcc_sse2=no
   601         AC_MSG_CHECKING(for GCC -msse2 option)
   602         sse2_CFLAGS="-msse2"
   603         CFLAGS="$save_CFLAGS $sse2_CFLAGS"
   604 
   605         AC_TRY_COMPILE([
   606         #ifdef __MINGW32__
   607         #include <_mingw.h>
   608         #ifdef __MINGW64_VERSION_MAJOR
   609         #include <intrin.h>
   610         #else
   611         #include <emmintrin.h>
   612         #endif
   613         #else
   614         #include <emmintrin.h>
   615         #endif
   616         #ifndef __SSE2__
   617         #error Assembler CPP flag not enabled
   618         #endif
   619         ],[
   620         ],[
   621         have_gcc_sse2=yes
   622         ])
   623         AC_MSG_RESULT($have_gcc_sse2)
   624         CFLAGS="$save_CFLAGS"
   625 
   626         if test x$have_gcc_sse2 = xyes; then
   627             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse2_CFLAGS"
   628             SUMMARY_math="${SUMMARY_math} sse2"
   629         fi
   630     fi
   631 
   632     AC_ARG_ENABLE(altivec,
   633 AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]]]),
   634                   , enable_altivec=yes)
   635     if test x$enable_altivec = xyes; then
   636         save_CFLAGS="$CFLAGS"
   637         have_gcc_altivec=no
   638         have_altivec_h_hdr=no
   639         altivec_CFLAGS="-maltivec"
   640         CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   641 
   642         AC_MSG_CHECKING(for Altivec with GCC altivec.h and -maltivec option)
   643         AC_TRY_COMPILE([
   644         #include <altivec.h>
   645         vector unsigned int vzero() {
   646             return vec_splat_u32(0);
   647         }
   648         ],[
   649         ],[
   650         have_gcc_altivec=yes
   651         have_altivec_h_hdr=yes
   652         ])
   653         AC_MSG_RESULT($have_gcc_altivec)
   654 
   655         if test x$have_gcc_altivec = xno; then
   656             AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
   657             AC_TRY_COMPILE([
   658             vector unsigned int vzero() {
   659                 return vec_splat_u32(0);
   660             }
   661             ],[
   662             ],[
   663             have_gcc_altivec=yes
   664             ])
   665             AC_MSG_RESULT($have_gcc_altivec)
   666         fi
   667 
   668         if test x$have_gcc_altivec = xno; then
   669             AC_MSG_CHECKING(for Altivec with GCC altivec.h and -faltivec option)
   670             altivec_CFLAGS="-faltivec"
   671             CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   672             AC_TRY_COMPILE([
   673             #include <altivec.h>
   674             vector unsigned int vzero() {
   675                 return vec_splat_u32(0);
   676             }
   677             ],[
   678             ],[
   679             have_gcc_altivec=yes
   680             have_altivec_h_hdr=yes
   681             ])
   682             AC_MSG_RESULT($have_gcc_altivec)
   683         fi
   684 
   685         if test x$have_gcc_altivec = xno; then
   686             AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
   687             AC_TRY_COMPILE([
   688             vector unsigned int vzero() {
   689                 return vec_splat_u32(0);
   690             }
   691             ],[
   692             ],[
   693             have_gcc_altivec=yes
   694             ])
   695             AC_MSG_RESULT($have_gcc_altivec)
   696         fi
   697         CFLAGS="$save_CFLAGS"
   698 
   699         if test x$have_gcc_altivec = xyes; then
   700             AC_DEFINE(SDL_ALTIVEC_BLITTERS, 1, [ ])
   701             if test x$have_altivec_h_hdr = xyes; then
   702               AC_DEFINE(HAVE_ALTIVEC_H, 1, [ ])
   703             fi
   704             EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
   705             SUMMARY_math="${SUMMARY_math} altivec"
   706         fi
   707     fi
   708 fi
   709 
   710 dnl See if the OSS audio interface is supported
   711 CheckOSS()
   712 {
   713     AC_ARG_ENABLE(oss,
   714 AC_HELP_STRING([--enable-oss], [support the OSS audio API [[default=maybe]]]),
   715                   , enable_oss=maybe)
   716 
   717     # OpenBSD "has" OSS, but it's not really for app use. They want you to
   718     #  use sndio instead. So on there, we default to disabled. You can force
   719     #  it on if you really want, though.
   720     if test x$enable_oss = xmaybe; then
   721         enable_oss=yes
   722         case "$host" in
   723             *-*-openbsd*)
   724                 enable_oss=no;;
   725         esac
   726     fi
   727 
   728     if test x$enable_audio = xyes -a x$enable_oss = xyes; then
   729         AC_MSG_CHECKING(for OSS audio support)
   730         have_oss=no
   731         if test x$have_oss != xyes; then
   732             AC_TRY_COMPILE([
   733               #include <sys/soundcard.h>
   734             ],[
   735               int arg = SNDCTL_DSP_SETFRAGMENT;
   736             ],[
   737             have_oss=yes
   738             ])
   739         fi
   740         if test x$have_oss != xyes; then
   741             AC_TRY_COMPILE([
   742               #include <soundcard.h>
   743             ],[
   744               int arg = SNDCTL_DSP_SETFRAGMENT;
   745             ],[
   746             have_oss=yes
   747             AC_DEFINE(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H, 1, [ ])
   748             ])
   749         fi
   750         AC_MSG_RESULT($have_oss)
   751         if test x$have_oss = xyes; then
   752             SUMMARY_audio="${SUMMARY_audio} oss"
   753             AC_DEFINE(SDL_AUDIO_DRIVER_OSS, 1, [ ])
   754             SOURCES="$SOURCES $srcdir/src/audio/dsp/*.c"
   755             have_audio=yes
   756 
   757             # We may need to link with ossaudio emulation library
   758             case "$host" in
   759                 *-*-openbsd*|*-*-netbsd*)
   760                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lossaudio";;
   761             esac
   762         fi
   763     fi
   764 }
   765 
   766 dnl See if the ALSA audio interface is supported
   767 CheckALSA()
   768 {
   769     AC_ARG_ENABLE(alsa,
   770 AC_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),
   771                   , enable_alsa=yes)
   772     if test x$enable_audio = xyes -a x$enable_alsa = xyes; then
   773         AM_PATH_ALSA(0.9.0, have_alsa=yes, have_alsa=no)
   774         # Restore all flags from before the ALSA detection runs
   775         CFLAGS="$alsa_save_CFLAGS"
   776         LDFLAGS="$alsa_save_LDFLAGS"
   777         LIBS="$alsa_save_LIBS"
   778         if test x$have_alsa = xyes; then
   779             AC_ARG_ENABLE(alsa-shared,
   780 AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
   781                           , enable_alsa_shared=yes)
   782             alsa_lib=[`find_lib "libasound.so.*" "$ALSA_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   783 
   784             AC_DEFINE(SDL_AUDIO_DRIVER_ALSA, 1, [ ])
   785             SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c"
   786             EXTRA_CFLAGS="$EXTRA_CFLAGS $ALSA_CFLAGS"
   787             if test x$have_loadso != xyes && \
   788                test x$enable_alsa_shared = xyes; then
   789                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading])
   790             fi
   791             if test x$have_loadso = xyes && \
   792                test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then
   793                 echo "-- dynamic libasound -> $alsa_lib"
   794                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ALSA_DYNAMIC, "$alsa_lib", [ ])
   795                 SUMMARY_audio="${SUMMARY_audio} alsa(dynamic)"
   796             else
   797                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ALSA_LIBS"
   798                 SUMMARY_audio="${SUMMARY_audio} alsa"
   799             fi
   800             have_audio=yes
   801         fi
   802     fi
   803 }
   804 
   805 dnl Find the ESD includes and libraries
   806 CheckESD()
   807 {
   808     AC_ARG_ENABLE(esd,
   809 AC_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),
   810                   , enable_esd=yes)
   811     if test x$enable_audio = xyes -a x$enable_esd = xyes; then
   812         AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no)
   813         if test x$have_esd = xyes; then
   814             AC_ARG_ENABLE(esd-shared,
   815 AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
   816                           , enable_esd_shared=yes)
   817             esd_lib=[`find_lib "libesd.so.*" "$ESD_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   818 
   819             AC_DEFINE(SDL_AUDIO_DRIVER_ESD, 1, [ ])
   820             SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"
   821             EXTRA_CFLAGS="$EXTRA_CFLAGS $ESD_CFLAGS"
   822             if test x$have_loadso != xyes && \
   823                test x$enable_esd_shared = xyes; then
   824                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading])
   825             fi
   826             if test x$have_loadso = xyes && \
   827                test x$enable_esd_shared = xyes && test x$esd_lib != x; then
   828                 echo "-- dynamic libesd -> $esd_lib"
   829                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib", [ ])
   830                 SUMMARY_audio="${SUMMARY_audio} esd(dynamic)"
   831             else
   832                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ESD_LIBS"
   833                 SUMMARY_audio="${SUMMARY_audio} esd"
   834             fi
   835             have_audio=yes
   836         fi
   837     fi
   838 }
   839 
   840 dnl Find PulseAudio
   841 CheckPulseAudio()
   842 {
   843     AC_ARG_ENABLE(pulseaudio,
   844 AC_HELP_STRING([--enable-pulseaudio], [use PulseAudio [[default=yes]]]),
   845                   , enable_pulseaudio=yes)
   846     if test x$enable_audio = xyes -a x$enable_pulseaudio = xyes; then
   847         audio_pulseaudio=no
   848 
   849         PULSEAUDIO_REQUIRED_VERSION=0.9
   850 
   851         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
   852         AC_MSG_CHECKING(for PulseAudio $PULSEAUDIO_REQUIRED_VERSION support)
   853         if test x$PKG_CONFIG != xno; then
   854         if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $PULSEAUDIO_REQUIRED_VERSION libpulse-simple; then
   855                 PULSEAUDIO_CFLAGS=`$PKG_CONFIG --cflags libpulse-simple`
   856                 PULSEAUDIO_LIBS=`$PKG_CONFIG --libs libpulse-simple`
   857                 audio_pulseaudio=yes
   858             fi
   859         fi
   860         AC_MSG_RESULT($audio_pulseaudio)
   861 
   862         if test x$audio_pulseaudio = xyes; then
   863             AC_ARG_ENABLE(pulseaudio-shared,
   864 AC_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [[default=yes]]]),
   865                           , enable_pulseaudio_shared=yes)
   866             pulseaudio_lib=[`find_lib "libpulse-simple.so.*" "$PULSEAUDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   867 
   868             AC_DEFINE(SDL_AUDIO_DRIVER_PULSEAUDIO, 1, [ ])
   869             SOURCES="$SOURCES $srcdir/src/audio/pulseaudio/*.c"
   870             EXTRA_CFLAGS="$EXTRA_CFLAGS $PULSEAUDIO_CFLAGS"
   871             if test x$have_loadso != xyes && \
   872                test x$enable_pulseaudio_shared = xyes; then
   873                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic PulseAudio loading])
   874             fi
   875             if test x$have_loadso = xyes && \
   876                test x$enable_pulseaudio_shared = xyes && test x$pulseaudio_lib != x; then
   877                 echo "-- dynamic libpulse-simple -> $pulseaudio_lib"
   878                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC, "$pulseaudio_lib", [ ])
   879                 SUMMARY_audio="${SUMMARY_audio} pulse(dynamic)"
   880 
   881                 case "$host" in
   882                     # On Solaris, pulseaudio must be linked deferred explicitly
   883                     # to prevent undefined symbol failures.
   884                     *-*-solaris*)
   885                         PULSEAUDIO_LIBS=`echo $PULSEAUDIO_LIBS | sed 's/\-l/-Wl,-l/g'`
   886                         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-zdeferred $PULSEAUDIO_LIBS -Wl,-znodeferred"
   887                 esac
   888             else
   889                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $PULSEAUDIO_LIBS"
   890                 SUMMARY_audio="${SUMMARY_audio} pulse"
   891             fi
   892             have_audio=yes
   893         fi
   894     fi
   895 }
   896 
   897 CheckARTSC()
   898 {
   899     AC_ARG_ENABLE(arts,
   900 AC_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),
   901                   , enable_arts=yes)
   902     if test x$enable_audio = xyes -a x$enable_arts = xyes; then
   903         AC_PATH_PROG(ARTSCONFIG, artsc-config)
   904         if test x$ARTSCONFIG = x -o x$ARTSCONFIG = x'"$ARTSCONFIG"'; then
   905             : # arts isn't installed
   906         else
   907             ARTS_CFLAGS=`$ARTSCONFIG --cflags`
   908             ARTS_LIBS=`$ARTSCONFIG --libs`
   909             AC_MSG_CHECKING(for aRts development environment)
   910             audio_arts=no
   911             save_CFLAGS="$CFLAGS"
   912             CFLAGS="$CFLAGS $ARTS_CFLAGS"
   913             AC_TRY_COMPILE([
   914              #include <artsc.h>
   915             ],[
   916              arts_stream_t stream;
   917             ],[
   918             audio_arts=yes
   919             ])
   920             CFLAGS="$save_CFLAGS"
   921             AC_MSG_RESULT($audio_arts)
   922             if test x$audio_arts = xyes; then
   923                 AC_ARG_ENABLE(arts-shared,
   924 AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
   925                               , enable_arts_shared=yes)
   926                 arts_lib=[`find_lib "libartsc.so.*" "$ARTS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   927 
   928                 AC_DEFINE(SDL_AUDIO_DRIVER_ARTS, 1, [ ])
   929                 SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"
   930                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ARTS_CFLAGS"
   931                 if test x$have_loadso != xyes && \
   932                    test x$enable_arts_shared = xyes; then
   933                     AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading])
   934                 fi
   935                 if test x$have_loadso = xyes && \
   936                    test x$enable_arts_shared = xyes && test x$arts_lib != x; then
   937                     echo "-- dynamic libartsc -> $arts_lib"
   938                     AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib", [ ])
   939                     SUMMARY_audio="${SUMMARY_audio} arts(dynamic)"
   940                 else
   941                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARTS_LIBS"
   942                     SUMMARY_audio="${SUMMARY_audio} arts"
   943                 fi
   944                 have_audio=yes
   945             fi
   946         fi
   947     fi
   948 }
   949 
   950 dnl See if the NAS audio interface is supported
   951 CheckNAS()
   952 {
   953     AC_ARG_ENABLE(nas,
   954 AC_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),
   955                   , enable_nas=yes)
   956     if test x$enable_audio = xyes -a x$enable_nas = xyes; then
   957         AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes)
   958         AC_CHECK_LIB(audio, AuOpenServer, have_nas_lib=yes)
   959 
   960         AC_MSG_CHECKING(for NAS audio support)
   961         have_nas=no
   962 
   963         if test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then
   964             have_nas=yes
   965             NAS_LIBS="-laudio"
   966 
   967         elif test -r /usr/X11R6/include/audio/audiolib.h; then
   968             have_nas=yes
   969             NAS_CFLAGS="-I/usr/X11R6/include/"
   970             NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"
   971 
   972         fi
   973 
   974         AC_MSG_RESULT($have_nas)
   975 
   976         if test x$have_nas = xyes; then
   977             AC_ARG_ENABLE(nas-shared,
   978 AC_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [[default=yes]]]),
   979                           , enable_nas_shared=yes)
   980             nas_lib=[`find_lib "libaudio.so.*" "$NAS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   981 
   982             if test x$have_loadso != xyes && \
   983                test x$enable_nas_shared = xyes; then
   984                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic NAS loading])
   985             fi
   986             if test x$have_loadso = xyes && \
   987                test x$enable_nas_shared = xyes && test x$nas_lib != x; then
   988                 echo "-- dynamic libaudio -> $nas_lib"
   989                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_NAS_DYNAMIC, "$nas_lib", [ ])
   990                 SUMMARY_audio="${SUMMARY_audio} nas(dynamic)"
   991             else
   992                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS"
   993                 SUMMARY_audio="${SUMMARY_audio} nas"
   994             fi
   995 
   996             AC_DEFINE(SDL_AUDIO_DRIVER_NAS, 1, [ ])
   997             SOURCES="$SOURCES $srcdir/src/audio/nas/*.c"
   998             EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS"
   999             have_audio=yes
  1000         fi
  1001     fi
  1002 }
  1003 
  1004 dnl See if the sndio audio interface is supported
  1005 CheckSNDIO()
  1006 {
  1007     AC_ARG_ENABLE(sndio,
  1008 AC_HELP_STRING([--enable-sndio], [support the sndio audio API [[default=yes]]]),
  1009                   , enable_sndio=yes)
  1010     if test x$enable_audio = xyes -a x$enable_sndio = xyes; then
  1011         AC_CHECK_HEADER(sndio.h, have_sndio_hdr=yes)
  1012         AC_CHECK_LIB(sndio, sio_open, have_sndio_lib=yes)
  1013 
  1014         AC_MSG_CHECKING(for sndio audio support)
  1015         have_sndio=no
  1016 
  1017         if test x$have_sndio_hdr = xyes -a x$have_sndio_lib = xyes; then
  1018             have_sndio=yes
  1019             SNDIO_LIBS="-lsndio"
  1020         fi
  1021 
  1022         AC_MSG_RESULT($have_sndio)
  1023 
  1024         if test x$have_sndio = xyes; then
  1025             AC_ARG_ENABLE(sndio-shared,
  1026 AC_HELP_STRING([--enable-sndio-shared], [dynamically load sndio audio support [[default=yes]]]),
  1027                           , enable_sndio_shared=yes)
  1028             sndio_lib=[`find_lib "libsndio.so.*" "$SNDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1029 
  1030             if test x$have_loadso != xyes && \
  1031                test x$enable_sndio_shared = xyes; then
  1032                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic sndio loading])
  1033             fi
  1034             if test x$have_loadso = xyes && \
  1035                test x$enable_sndio_shared = xyes && test x$sndio_lib != x; then
  1036                 echo "-- dynamic libsndio -> $sndio_lib"
  1037                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_SNDIO_DYNAMIC, "$sndio_lib", [ ])
  1038                 SUMMARY_audio="${SUMMARY_audio} sndio(dynamic)"
  1039             else
  1040                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $SNDIO_LIBS"
  1041                 SUMMARY_audio="${SUMMARY_audio} sndio"
  1042             fi
  1043 
  1044             AC_DEFINE(SDL_AUDIO_DRIVER_SNDIO, 1, [ ])
  1045             SOURCES="$SOURCES $srcdir/src/audio/sndio/*.c"
  1046             EXTRA_CFLAGS="$EXTRA_CFLAGS $SNDIO_CFLAGS"
  1047             have_audio=yes
  1048         fi
  1049     fi
  1050 }
  1051 
  1052 dnl rcg07142001 See if the user wants the disk writer audio driver...
  1053 CheckDiskAudio()
  1054 {
  1055     AC_ARG_ENABLE(diskaudio,
  1056 AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
  1057                   , enable_diskaudio=yes)
  1058     if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then
  1059         AC_DEFINE(SDL_AUDIO_DRIVER_DISK, 1, [ ])
  1060         SOURCES="$SOURCES $srcdir/src/audio/disk/*.c"
  1061         SUMMARY_audio="${SUMMARY_audio} disk"
  1062     fi
  1063 }
  1064 
  1065 dnl rcg03142006 See if the user wants the dummy audio driver...
  1066 CheckDummyAudio()
  1067 {
  1068     AC_ARG_ENABLE(dummyaudio,
  1069 AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
  1070                   , enable_dummyaudio=yes)
  1071     if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then
  1072         AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY, 1, [ ])
  1073         SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c"
  1074         SUMMARY_audio="${SUMMARY_audio} dummy"
  1075     fi
  1076 }
  1077 
  1078 dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).
  1079 dnl  Details of this flag are here: http://gcc.gnu.org/wiki/Visibility
  1080 CheckVisibilityHidden()
  1081 {
  1082     AC_MSG_CHECKING(for GCC -fvisibility=hidden option)
  1083     have_gcc_fvisibility=no
  1084 
  1085     visibility_CFLAGS="-fvisibility=hidden"
  1086     save_CFLAGS="$CFLAGS"
  1087     CFLAGS="$save_CFLAGS $visibility_CFLAGS -Werror"
  1088     AC_TRY_COMPILE([
  1089     #if !defined(__GNUC__) || __GNUC__ < 4
  1090     #error SDL only uses visibility attributes in GCC 4 or newer
  1091     #endif
  1092     ],[
  1093     ],[
  1094     have_gcc_fvisibility=yes
  1095     ])
  1096     AC_MSG_RESULT($have_gcc_fvisibility)
  1097     CFLAGS="$save_CFLAGS"
  1098 
  1099     if test x$have_gcc_fvisibility = xyes; then
  1100         EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"
  1101     fi
  1102 }
  1103 
  1104 dnl See if GCC's -mpreferred-stack-boundary is supported.
  1105 dnl  Reference: http://bugzilla.libsdl.org/show_bug.cgi?id=1296
  1106 CheckStackBoundary()
  1107 {
  1108     AC_MSG_CHECKING(for GCC -mpreferred-stack-boundary option)
  1109     have_gcc_preferred_stack_boundary=no
  1110 
  1111     save_CFLAGS="$CFLAGS"
  1112     CFLAGS="$save_CFLAGS -mpreferred-stack-boundary=2"
  1113     AC_TRY_COMPILE([
  1114     int x = 0;
  1115     ],[
  1116     ],[
  1117     have_gcc_preferred_stack_boundary=yes
  1118     ])
  1119     AC_MSG_RESULT($have_gcc_preferred_stack_boundary)
  1120     CFLAGS="$save_CFLAGS"
  1121 
  1122     if test x$have_gcc_preferred_stack_boundary = xyes; then
  1123         EXTRA_CFLAGS="$EXTRA_CFLAGS -mpreferred-stack-boundary=2"
  1124     fi
  1125 }
  1126 
  1127 dnl See if GCC's -Wdeclaration-after-statement is supported.
  1128 dnl  This lets us catch things that would fail on a C89 compiler when using
  1129 dnl  a modern GCC.
  1130 CheckDeclarationAfterStatement()
  1131 {
  1132     AC_MSG_CHECKING(for GCC -Wdeclaration-after-statement option)
  1133     have_gcc_declaration_after_statement=no
  1134 
  1135     save_CFLAGS="$CFLAGS"
  1136     CFLAGS="$save_CFLAGS -Wdeclaration-after-statement -Werror=declaration-after-statement"
  1137     AC_TRY_COMPILE([
  1138     int x = 0;
  1139     ],[
  1140     ],[
  1141     have_gcc_declaration_after_statement=yes
  1142     ])
  1143     AC_MSG_RESULT($have_gcc_declaration_after_statement)
  1144     CFLAGS="$save_CFLAGS"
  1145 
  1146     if test x$have_gcc_declaration_after_statement = xyes; then
  1147         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wdeclaration-after-statement -Werror=declaration-after-statement"
  1148     fi
  1149 }
  1150 
  1151 dnl See if GCC's -Wall is supported.
  1152 CheckWarnAll()
  1153 {
  1154     AC_MSG_CHECKING(for GCC -Wall option)
  1155     have_gcc_Wall=no
  1156 
  1157     save_CFLAGS="$CFLAGS"
  1158     CFLAGS="$save_CFLAGS -Wall"
  1159     AC_TRY_COMPILE([
  1160     int x = 0;
  1161     ],[
  1162     ],[
  1163     have_gcc_Wall=yes
  1164     ])
  1165     AC_MSG_RESULT($have_gcc_Wall)
  1166     CFLAGS="$save_CFLAGS"
  1167 
  1168     if test x$have_gcc_Wall = xyes; then
  1169         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
  1170 
  1171         dnl Haiku headers use multicharacter constants all over the place. Ignore these warnings when using -Wall.
  1172         AC_MSG_CHECKING(for necessary GCC -Wno-multichar option)
  1173         need_gcc_Wno_multichar=no
  1174         case "$host" in
  1175             *-*-haiku*)
  1176                 need_gcc_Wno_multichar=yes
  1177                 ;;
  1178         esac
  1179         AC_MSG_RESULT($need_gcc_Wno_multichar)
  1180         if test x$need_gcc_Wno_multichar = xyes; then
  1181             EXTRA_CFLAGS="$EXTRA_CFLAGS -Wno-multichar"
  1182         fi
  1183     fi
  1184 }
  1185 
  1186 dnl Check for Wayland
  1187 CheckWayland()
  1188 {
  1189     AC_ARG_ENABLE(video-wayland,
  1190 AC_HELP_STRING([--enable-video-wayland], [use Wayland video driver [[default=yes]]]),
  1191                   ,enable_video_wayland=yes)
  1192 
  1193     AC_ARG_ENABLE(video-wayland-qt-touch,
  1194 AC_HELP_STRING([--enable-video-wayland-qt-touch], [QtWayland server support for Wayland video driver [[default=yes]]]),
  1195                   ,enable_video_wayland_qt_touch=yes)
  1196 
  1197     if test x$enable_video = xyes -a x$enable_video_wayland = xyes; then
  1198         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1199         AC_MSG_CHECKING(for Wayland support)
  1200         video_wayland=no
  1201         if  test x$PKG_CONFIG != xno && \
  1202             test x$video_opengl_egl = xyes && \
  1203             test x$video_opengles_v2 = xyes; then
  1204             if $PKG_CONFIG --exists wayland-client wayland-scanner wayland-egl wayland-cursor egl xkbcommon ; then
  1205                 WAYLAND_CFLAGS=`$PKG_CONFIG --cflags wayland-client wayland-egl wayland-cursor xkbcommon`
  1206                 WAYLAND_LIBS=`$PKG_CONFIG --libs wayland-client wayland-egl wayland-cursor xkbcommon`
  1207                 WAYLAND_SCANNER=`$PKG_CONFIG --variable=wayland_scanner wayland-scanner`
  1208                 WAYLAND_CORE_PROTOCOL_DIR=`$PKG_CONFIG --variable=pkgdatadir wayland-client`
  1209                 video_wayland=yes
  1210             fi
  1211         fi
  1212         AC_MSG_RESULT($video_wayland)
  1213 
  1214         if test x$video_wayland = xyes; then
  1215             AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND, 1, [ ])
  1216             if test x$enable_video_wayland_qt_touch = xyes; then
  1217                 AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH, 1, [ ])
  1218             fi
  1219             SOURCES="$SOURCES $srcdir/src/video/wayland/*.c"
  1220             EXTRA_CFLAGS="$EXTRA_CFLAGS $WAYLAND_CFLAGS -I\$(gen)"
  1221             AC_ARG_ENABLE(wayland-shared,
  1222 AC_HELP_STRING([--enable-wayland-shared], [dynamically load Wayland support [[default=maybe]]]),
  1223                           , enable_wayland_shared=maybe)
  1224 
  1225             dnl FIXME: Do BSD and OS X need special cases?
  1226             case "$host" in
  1227                 *)
  1228                     wayland_client_lib=[`find_lib "libwayland-client.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1229                     wayland_egl_lib=[`find_lib "libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1230                     if test x$wayland_egl_lib = x; then
  1231                         dnl This works in Ubuntu 13.10, maybe others
  1232                         wayland_egl_lib=[`find_lib "mesa-egl/libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1233                     fi
  1234                     wayland_cursor_lib=[`find_lib "libwayland-cursor.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1235                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1236                     ;;
  1237             esac
  1238 
  1239             if test x$enable_wayland_shared = xmaybe; then
  1240                 enable_wayland_shared=yes
  1241             fi
  1242             if test x$have_loadso != xyes && \
  1243                test x$enable_wayland_shared = xyes; then
  1244                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Wayland loading])
  1245                 enable_wayland_shared=no
  1246             fi
  1247             if test x$have_loadso = xyes && \
  1248                test x$enable_wayland_shared = xyes && \
  1249                test x$wayland_client_lib != x && \
  1250                test x$wayland_egl_lib != x && \
  1251                test x$wayland_cursor_lib != x && \
  1252                test x$xkbcommon_lib != x; then
  1253                 echo "-- dynamic libwayland-client -> $wayland_client_lib"
  1254                 echo "-- dynamic libwayland-egl -> $wayland_egl_lib"
  1255                 echo "-- dynamic libwayland-cursor -> $wayland_cursor_lib"
  1256                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1257                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC, "$wayland_client_lib", [ ])
  1258                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_EGL, "$wayland_egl_lib", [ ])
  1259                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_CURSOR, "$wayland_cursor_lib", [ ])
  1260                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1261                 SUMMARY_video="${SUMMARY_video} wayland(dynamic)"
  1262             else
  1263                 enable_wayland_shared=no
  1264                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $WAYLAND_LIBS"
  1265                 SUMMARY_video="${SUMMARY_video} wayland"
  1266             fi
  1267             have_video=yes
  1268         fi
  1269     fi
  1270 }
  1271 
  1272 dnl Check for Mir
  1273 CheckMir()
  1274 {
  1275     AC_ARG_ENABLE(video-mir,
  1276 AC_HELP_STRING([--enable-video-mir], [use Mir video driver [[default=yes]]]),
  1277                   ,enable_video_mir=yes)
  1278 
  1279     if test x$enable_video = xyes -a x$enable_video_mir = xyes; then
  1280         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1281         AC_MSG_CHECKING(for Mir support)
  1282         video_mir=no
  1283         if test x$PKG_CONFIG != xno; then
  1284             if $PKG_CONFIG --exists mirclient egl xkbcommon ; then
  1285                 MIR_CFLAGS=`$PKG_CONFIG --cflags mirclient egl xkbcommon`
  1286                 MIR_LIBS=`$PKG_CONFIG --libs mirclient egl xkbcommon`
  1287                 save_CFLAGS="$CFLAGS"
  1288                 CFLAGS="$save_CFLAGS $MIR_CFLAGS"
  1289 
  1290                 dnl This will disable Mir on Ubuntu < 15.04 (Mir should be 0.14 at this point)
  1291                 AC_TRY_COMPILE([
  1292                 #include <mir_toolkit/mir_client_library.h>
  1293                 ],[
  1294                     MirPointerButton button = mir_pointer_button_primary;
  1295                 ],[
  1296                 video_mir=yes
  1297                 ])
  1298                 CFLAGS="$save_CFLAGS"
  1299             fi
  1300         fi
  1301         AC_MSG_RESULT($video_mir)
  1302 
  1303         if test x$video_mir = xyes; then
  1304             AC_DEFINE(SDL_VIDEO_DRIVER_MIR, 1, [ ])
  1305             SOURCES="$SOURCES $srcdir/src/video/mir/*.c"
  1306             EXTRA_CFLAGS="$EXTRA_CFLAGS $MIR_CFLAGS"
  1307             AC_ARG_ENABLE(mir-shared,
  1308 AC_HELP_STRING([--enable-mir-shared], [dynamically load Mir support [[default=maybe]]]),
  1309                           , enable_mir_shared=maybe)
  1310 
  1311             dnl FIXME: Do BSD and OS X need special cases?
  1312             case "$host" in
  1313                 *)
  1314                     mirclient_lib=[`find_lib "libmirclient.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1315                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1316                     ;;
  1317             esac
  1318 
  1319             if test x$enable_mir_shared = xmaybe; then
  1320                 enable_mir_shared=yes
  1321             fi
  1322             if test x$have_loadso != xyes && \
  1323                test x$enable_mir_shared = xyes; then
  1324                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Mir loading])
  1325                 enable_mir_shared=no
  1326             fi
  1327             if test x$have_loadso = xyes && \
  1328                test x$enable_mir_shared = xyes && \
  1329                test x$mirclient_lib != x && \
  1330                test x$xkbcommon_lib != x; then
  1331                 echo "-- dynamic libmirclient -> $mirclient_lib"
  1332                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1333                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC, "$mirclient_lib", [ ])
  1334                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1335                 SUMMARY_video="${SUMMARY_video} mir(dynamic)"
  1336             else
  1337                 enable_mir_shared=no
  1338                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MIR_LIBS"
  1339                 SUMMARY_video="${SUMMARY_video} mir"
  1340             fi
  1341             have_video=yes
  1342         fi
  1343     fi
  1344 }
  1345 
  1346 dnl Check for Native Client stuff
  1347 CheckNativeClient()
  1348 {
  1349         AC_TRY_COMPILE([
  1350           #if !defined(__native_client__)
  1351           #error "NO NACL"
  1352           #endif
  1353         ],[
  1354         ],[
  1355         AC_DEFINE(SDL_VIDEO_DRIVER_NACL)
  1356         AC_DEFINE(SDL_AUDIO_DRIVER_NACL)
  1357         AC_DEFINE(HAVE_POW, 1, [ ])
  1358         AC_DEFINE(HAVE_OPENGLES2, 1, [ ])
  1359         AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  1360         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  1361 
  1362         SDL_LIBS="-lppapi_simple -lppapi_gles2 $SDL_LIBS"
  1363 
  1364         SDLMAIN_SOURCES="$srcdir/src/main/nacl/*.c"
  1365         SOURCES="$SOURCES $srcdir/src/audio/nacl/*.c"
  1366         SUMMARY_audio="${SUMMARY_audio} nacl"
  1367         SOURCES="$SOURCES $srcdir/src/video/nacl/*.c"
  1368         SUMMARY_video="${SUMMARY_video} nacl opengles2"
  1369         ])
  1370 }
  1371 
  1372 
  1373 dnl Find the X11 include and library directories
  1374 CheckX11()
  1375 {
  1376 
  1377 
  1378     AC_ARG_ENABLE(video-x11,
  1379 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
  1380                   , enable_video_x11=yes)
  1381     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
  1382         case "$host" in
  1383             *-*-darwin*)
  1384                 # This isn't necessary for X11, but fixes GLX detection
  1385                 if test "x$x_includes" = xNONE && \
  1386                    test "x$x_libraries" = xNONE && \
  1387                    test -d /usr/X11R6/include && \
  1388                    test -d /usr/X11R6/lib; then
  1389                     x_includes="/usr/X11R6/include"
  1390                     x_libraries="/usr/X11R6/lib"
  1391                 fi
  1392                 ;;
  1393         esac
  1394         AC_PATH_X
  1395         AC_PATH_XTRA
  1396         if test x$have_x = xyes; then
  1397             AC_ARG_ENABLE(x11-shared,
  1398 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
  1399                           , enable_x11_shared=maybe)
  1400 
  1401             case "$host" in
  1402                 *-*-darwin*)
  1403                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
  1404                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
  1405                     xcursor_lib='/usr/X11R6/lib/libXcursor.1.dylib'
  1406                     xinerama_lib='/usr/X11R6/lib/libXinerama.1.dylib'
  1407                     xinput_lib='/usr/X11R6/lib/libXi.6.dylib'
  1408                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
  1409                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
  1410                     xss_lib='/usr/X11R6/lib/libXss.1.dylib'
  1411                     xvidmode_lib='/usr/X11R6/lib/libXxf86vm.1.dylib'
  1412                     ;;
  1413                 *-*-openbsd*)
  1414                     x11_lib='libX11.so'
  1415                     x11ext_lib='libXext.so'
  1416                     xcursor_lib='libXcursor.so'
  1417                     xinerama_lib='libXinerama.so'
  1418                     xinput_lib='libXi.so'
  1419                     xrandr_lib='libXrandr.so'
  1420                     xrender_lib='libXrender.so'
  1421                     xss_lib='libXss.so'
  1422                     xvidmode_lib='libXxf86vm.so'
  1423                     ;;
  1424                 *)
  1425                     x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1426                     x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1427                     xcursor_lib=[`find_lib "libXcursor.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1428                     xinerama_lib=[`find_lib "libXinerama.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1429                     xinput_lib=[`find_lib "libXi.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1430                     xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1431                     xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1432                     xss_lib=[`find_lib "libXss.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1433                     xvidmode_lib=[`find_lib "libXxf86vm.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1434                     ;;
  1435             esac
  1436 
  1437             if test x$ac_cv_func_shmat != xyes; then
  1438                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
  1439             fi
  1440             CFLAGS="$CFLAGS $X_CFLAGS"
  1441             LDFLAGS="$LDFLAGS $X_LIBS"
  1442 
  1443             AC_CHECK_HEADER(X11/extensions/Xext.h,
  1444                             have_xext_h_hdr=yes,
  1445                             have_xext_h_hdr=no,
  1446                             [#include <X11/Xlib.h>
  1447                              #include <X11/Xproto.h>
  1448                             ])
  1449             if test x$have_xext_h_hdr != xyes; then
  1450                AC_MSG_ERROR([
  1451 *** Missing Xext.h, maybe you need to install the libxext-dev package?
  1452                ])
  1453             fi
  1454 
  1455             AC_DEFINE(SDL_VIDEO_DRIVER_X11, 1, [ ])
  1456             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
  1457             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
  1458 
  1459             # Needed so SDL applications can include SDL_syswm.h
  1460             SDL_CFLAGS="$SDL_CFLAGS $X_CFLAGS"
  1461 
  1462             if test x$enable_x11_shared = xmaybe; then
  1463                 enable_x11_shared=yes
  1464             fi
  1465             if test x$have_loadso != xyes && \
  1466                test x$enable_x11_shared = xyes; then
  1467                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
  1468                 enable_x11_shared=no
  1469             fi
  1470             if test x$have_loadso = xyes && \
  1471                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
  1472                 echo "-- dynamic libX11 -> $x11_lib"
  1473                 echo "-- dynamic libX11ext -> $x11ext_lib"
  1474                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib", [ ])
  1475                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib", [ ])
  1476                 SUMMARY_video="${SUMMARY_video} x11(dynamic)"
  1477             else
  1478                 enable_x11_shared=no
  1479                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
  1480                 SUMMARY_video="${SUMMARY_video} x11"
  1481             fi
  1482             have_video=yes
  1483 
  1484             AC_MSG_CHECKING(for const parameter to XextAddDisplay)
  1485             have_const_param_XextAddDisplay=no
  1486             AC_TRY_COMPILE([
  1487               #include <X11/Xlib.h>
  1488               #include <X11/Xproto.h>
  1489               #include <X11/extensions/Xext.h>
  1490               #include <X11/extensions/extutil.h>
  1491               extern XExtDisplayInfo* XextAddDisplay(XExtensionInfo* a,Display* b,_Xconst char* c,XExtensionHooks* d,int e,XPointer f);
  1492             ],[
  1493             ],[
  1494             have_const_param_XextAddDisplay=yes
  1495             AC_DEFINE(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY)
  1496             ])
  1497             AC_MSG_RESULT($have_const_param_XextAddDisplay)
  1498 
  1499             dnl AC_CHECK_LIB(X11, XGetEventData, AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS, 1, [Have XGenericEvent]))
  1500             AC_MSG_CHECKING([for XGenericEvent])
  1501             have_XGenericEvent=no
  1502             AC_TRY_COMPILE([
  1503               	#include <X11/Xlib.h>
  1504             ],[
  1505 Display *display;
  1506 XEvent event;
  1507 XGenericEventCookie *cookie = &event.xcookie;
  1508 XNextEvent(display, &event);
  1509 XGetEventData(display, cookie);
  1510 XFreeEventData(display, cookie);
  1511             ],[
  1512                 have_XGenericEvent=yes
  1513                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS)
  1514             ])
  1515             AC_MSG_RESULT($have_XGenericEvent)
  1516 
  1517             AC_CHECK_LIB(X11, XkbKeycodeToKeysym, AC_DEFINE(SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM, 1, [Have XkbKeycodeToKeysym]))
  1518 
  1519             AC_ARG_ENABLE(video-x11-xcursor,
  1520 AC_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [[default=yes]]]),
  1521                             , enable_video_x11_xcursor=yes)
  1522             if test x$enable_video_x11_xcursor = xyes; then
  1523                 definitely_enable_video_x11_xcursor=no
  1524                 AC_CHECK_HEADER(X11/Xcursor/Xcursor.h,
  1525                                 have_xcursor_h_hdr=yes,
  1526                                 have_xcursor_h_hdr=no,
  1527                                 [#include <X11/Xlib.h>
  1528                                 ])
  1529                 if test x$have_xcursor_h_hdr = xyes; then
  1530                     if test x$enable_x11_shared = xyes && test x$xcursor_lib != x ; then
  1531                         echo "-- dynamic libXcursor -> $xcursor_lib"
  1532                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR, "$xcursor_lib", [ ])
  1533                         definitely_enable_video_x11_xcursor=yes
  1534                     else
  1535                         AC_CHECK_LIB(Xcursor, XcursorImageCreate, have_xcursor_lib=yes)
  1536                         if test x$have_xcursor_lib = xyes ; then
  1537                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXcursor"
  1538                             definitely_enable_video_x11_xcursor=yes
  1539                         fi
  1540                     fi
  1541                 fi
  1542             fi
  1543             if test x$definitely_enable_video_x11_xcursor = xyes; then
  1544                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XCURSOR, 1, [ ])
  1545                 SUMMARY_video_x11="${SUMMARY_video_x11} xcursor"
  1546             fi
  1547             AC_ARG_ENABLE(video-x11-xdbe,
  1548 AC_HELP_STRING([--enable-video-x11-xdbe], [enable X11 Xdbe support [[default=yes]]]),
  1549                             , enable_video_x11_xdbe=yes)
  1550             if test x$enable_video_x11_xdbe = xyes; then
  1551                 AC_CHECK_HEADER(X11/extensions/Xdbe.h,
  1552                                 have_dbe_h_hdr=yes,
  1553                                 have_dbe_h_hdr=no,
  1554                                 [#include <X11/Xlib.h>
  1555                                 ])
  1556                 if test x$have_dbe_h_hdr = xyes; then
  1557                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XDBE, 1, [ ])
  1558                     SUMMARY_video_x11="${SUMMARY_video_x11} xdbe"
  1559                 fi
  1560             fi
  1561             AC_ARG_ENABLE(video-x11-xinerama,
  1562 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
  1563                             , enable_video_x11_xinerama=yes)
  1564             if test x$enable_video_x11_xinerama = xyes; then
  1565                 definitely_enable_video_x11_xinerama=no
  1566                 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
  1567                                 have_xinerama_h_hdr=yes,
  1568                                 have_xinerama_h_hdr=no,
  1569                                 [#include <X11/Xlib.h>
  1570                                 ])
  1571                 if test x$have_xinerama_h_hdr = xyes; then
  1572                     if test x$enable_x11_shared = xyes && test x$xinerama_lib != x ; then
  1573                         echo "-- dynamic libXinerama -> $xinerama_lib"
  1574                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA, "$xinerama_lib", [ ])
  1575                         definitely_enable_video_x11_xinerama=yes
  1576                     else
  1577                         AC_CHECK_LIB(Xinerama, XineramaQueryExtension, have_xinerama_lib=yes)
  1578                         if test x$have_xinerama_lib = xyes ; then
  1579                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXinerama"
  1580                             definitely_enable_video_x11_xinerama=yes
  1581                         fi
  1582                     fi
  1583                 fi
  1584             fi
  1585             if test x$definitely_enable_video_x11_xinerama = xyes; then
  1586                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA, 1, [ ])
  1587                 SUMMARY_video_x11="${SUMMARY_video_x11} xinerama"
  1588             fi
  1589             AC_ARG_ENABLE(video-x11-xinput,
  1590 AC_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [[default=yes]]]),
  1591                             , enable_video_x11_xinput=yes)
  1592             if test x$enable_video_x11_xinput = xyes; then
  1593                 definitely_enable_video_x11_xinput=no
  1594                 AC_CHECK_HEADER(X11/extensions/XInput2.h,
  1595                                 have_xinput_h_hdr=yes,
  1596                                 have_xinput_h_hdr=no,
  1597                                 [#include <X11/Xlib.h>
  1598                                 ])
  1599                 if test x$have_xinput_h_hdr = xyes; then
  1600                     if test x$enable_x11_shared = xyes && test x$xinput_lib != x ; then
  1601                         echo "-- dynamic libXi -> $xinput_lib"
  1602                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2, "$xinput_lib", [ ])
  1603                         definitely_enable_video_x11_xinput=yes
  1604                     else
  1605                         AC_CHECK_LIB(Xi, XOpenDevice, have_xinput_lib=yes)
  1606                         if test x$have_xinput_lib = xyes ; then
  1607                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXi"
  1608                             definitely_enable_video_x11_xinput=yes
  1609                         fi
  1610                     fi
  1611                 fi
  1612             fi
  1613             if test x$definitely_enable_video_x11_xinput = xyes; then
  1614                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2"
  1615                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2, 1, [ ])
  1616                 AC_MSG_CHECKING(for xinput2 multitouch)
  1617             	have_xinput2_multitouch=no
  1618             	AC_TRY_COMPILE([
  1619               		#include <X11/Xlib.h>
  1620              		#include <X11/Xproto.h>
  1621 			#include <X11/extensions/XInput2.h>
  1622             	],[
  1623 int event_type = XI_TouchBegin;
  1624 XITouchClassInfo *t;
  1625             	],[
  1626             	have_xinput2_multitouch=yes
  1627             	AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH)
  1628                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2_multitouch"
  1629             	])
  1630             	AC_MSG_RESULT($have_xinput2_multitouch)
  1631             fi
  1632             AC_ARG_ENABLE(video-x11-xrandr,
  1633 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
  1634                             , enable_video_x11_xrandr=yes)
  1635             if test x$enable_video_x11_xrandr = xyes; then
  1636                 dnl XRRScreenResources is only present in Xrandr >= 1.2, we use that as a test.
  1637                 definitely_enable_video_x11_xrandr=no
  1638                 have_xrandr_h_hdr=no
  1639                 AC_TRY_COMPILE([
  1640                 #include <X11/Xlib.h>
  1641                 #include <X11/extensions/Xrandr.h>
  1642                 ],[
  1643                 XRRScreenResources *res = NULL;
  1644                 ],[
  1645                 have_xrandr_h_hdr=yes
  1646                 ])
  1647                 if test x$have_xrandr_h_hdr = xyes; then
  1648                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
  1649                         echo "-- dynamic libXrandr -> $xrandr_lib"
  1650                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib", [ ])
  1651                         definitely_enable_video_x11_xrandr=yes
  1652                     else
  1653                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
  1654                         if test x$have_xrandr_lib = xyes ; then
  1655                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr"
  1656                             definitely_enable_video_x11_xrandr=yes
  1657                         fi
  1658                     fi
  1659                 fi
  1660             fi
  1661             if test x$definitely_enable_video_x11_xrandr = xyes; then
  1662                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR, 1, [ ])
  1663                 SUMMARY_video_x11="${SUMMARY_video_x11} xrandr"
  1664             fi
  1665             AC_ARG_ENABLE(video-x11-scrnsaver,
  1666 AC_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [[default=yes]]]),
  1667                             , enable_video_x11_scrnsaver=yes)
  1668             if test x$enable_video_x11_scrnsaver = xyes; then
  1669                 AC_CHECK_HEADER(X11/extensions/scrnsaver.h,
  1670                                 have_scrnsaver_h_hdr=yes,
  1671                                 have_scrnsaver_h_hdr=no,
  1672                                 [#include <X11/Xlib.h>
  1673                                 ])
  1674                 if test x$have_scrnsaver_h_hdr = xyes; then
  1675                     if test x$enable_x11_shared = xyes && test x$xss_lib != x ; then
  1676                         echo "-- dynamic libXss -> $xss_lib"
  1677                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS, "$xss_lib", [ ])
  1678                         definitely_enable_video_x11_scrnsaver=yes
  1679                     else
  1680                         AC_CHECK_LIB(Xss, XScreenSaverSuspend, have_xss_lib=yes)
  1681                         if test x$have_xss_lib = xyes ; then
  1682                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXss"
  1683                             definitely_enable_video_x11_scrnsaver=yes
  1684                         fi
  1685                     fi
  1686                 fi
  1687             fi
  1688             if test x$definitely_enable_video_x11_scrnsaver = xyes; then
  1689                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSCRNSAVER, 1, [ ])
  1690                 SUMMARY_video_x11="${SUMMARY_video_x11} xscrnsaver"
  1691             fi
  1692             AC_ARG_ENABLE(video-x11-xshape,
  1693 AC_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [[default=yes]]]),
  1694                             , enable_video_x11_xshape=yes)
  1695             if test x$enable_video_x11_xshape = xyes; then
  1696                 AC_CHECK_HEADER(X11/extensions/shape.h,
  1697                                 have_shape_h_hdr=yes,
  1698                                 have_shape_h_hdr=no,
  1699                                 [#include <X11/Xlib.h>
  1700                                 ])
  1701                 if test x$have_shape_h_hdr = xyes; then
  1702                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSHAPE, 1, [ ])
  1703                     SUMMARY_video_x11="${SUMMARY_video_x11} xshape"
  1704                 fi
  1705             fi
  1706             AC_ARG_ENABLE(video-x11-vm,
  1707 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
  1708                             , enable_video_x11_vm=yes)
  1709             if test x$enable_video_x11_vm = xyes; then
  1710                 definitely_enable_video_x11_vm=no
  1711                 AC_CHECK_HEADER(X11/extensions/xf86vmode.h,
  1712                                 have_vm_h_hdr=yes,
  1713                                 have_vm_h_hdr=no,
  1714                                 [#include <X11/Xlib.h>
  1715                                 ])
  1716                 if test x$have_vm_h_hdr = xyes; then
  1717                     if test x$enable_x11_shared = xyes && test x$xvidmode_lib != x ; then
  1718                         echo "-- dynamic libXxf86vm -> $xvidmode_lib"
  1719                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE, "$xvidmode_lib", [ ])
  1720                         definitely_enable_video_x11_vm=yes
  1721                     else
  1722                         AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, have_vm_lib=yes)
  1723                         if test x$have_vm_lib = xyes ; then
  1724                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXxf86vm"
  1725                             definitely_enable_video_x11_vm=yes
  1726                         fi
  1727                     fi
  1728                 fi
  1729             fi
  1730             if test x$definitely_enable_video_x11_vm = xyes; then
  1731                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XVIDMODE, 1, [ ])
  1732                 SUMMARY_video_x11="${SUMMARY_video_x11} xvidmode"
  1733             fi
  1734         fi
  1735     fi
  1736 }
  1737 
  1738 dnl Set up the Vivante video driver if enabled
  1739 CheckVivanteVideo()
  1740 {
  1741     AC_ARG_ENABLE(video-vivante,
  1742 AC_HELP_STRING([--enable-video-vivante], [use Vivante EGL video driver [[default=yes]]]),
  1743                   , enable_video_vivante=yes)
  1744     if test x$enable_video = xyes -a x$enable_video_vivante = xyes; then
  1745         AC_MSG_CHECKING(for Vivante VDK API)
  1746         have_vivante_vdk=no
  1747         AC_TRY_COMPILE([
  1748           #define LINUX
  1749           #define EGL_API_FB
  1750           #include <gc_vdk.h>
  1751         ],[
  1752         ],[
  1753         have_vivante_vdk=yes
  1754         ])
  1755         AC_MSG_RESULT($have_vivante_vdk)
  1756 
  1757         AC_MSG_CHECKING(for Vivante FB API)
  1758         have_vivante_egl=no
  1759         AC_TRY_COMPILE([
  1760           #define LINUX
  1761           #define EGL_API_FB
  1762           #include <EGL/eglvivante.h>
  1763         ],[
  1764         ],[
  1765         have_vivante_egl=yes
  1766         ])
  1767         AC_MSG_RESULT($have_vivante_egl)
  1768 
  1769         if test x$have_vivante_vdk = xyes -o x$have_vivante_egl = xyes; then
  1770             AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE, 1, [ ])
  1771             EXTRA_CFLAGS="$EXTRA_CFLAGS -DLINUX -DEGL_API_FB"
  1772             if test x$have_vivante_vdk = xyes; then
  1773                 AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE_VDK, 1, [ ])
  1774                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lVDK"
  1775             fi
  1776             SOURCES="$SOURCES $srcdir/src/video/vivante/*.c"
  1777             SUMMARY_video="${SUMMARY_video} vivante"
  1778             have_video=yes
  1779         fi
  1780     fi
  1781 }
  1782 
  1783 dnl Set up the Haiku video driver if enabled
  1784 CheckHaikuVideo()
  1785 {
  1786     if test x$enable_video = xyes; then
  1787         AC_DEFINE(SDL_VIDEO_DRIVER_HAIKU, 1, [ ])
  1788         SOURCES="$SOURCES $srcdir/src/video/haiku/*.cc"
  1789         have_video=yes
  1790         SUMMARY_video="${SUMMARY_video} haiku"
  1791     fi
  1792 }
  1793 
  1794 dnl Set up the Cocoa video driver for Mac OS X (but not Darwin)
  1795 CheckCOCOA()
  1796 {
  1797     AC_ARG_ENABLE(video-cocoa,
  1798 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]]),
  1799                   , enable_video_cocoa=yes)
  1800     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  1801         save_CFLAGS="$CFLAGS"
  1802         dnl work around that we don't have Objective-C support in autoconf
  1803         CFLAGS="$CFLAGS -x objective-c"
  1804         AC_MSG_CHECKING(for Cocoa framework)
  1805         have_cocoa=no
  1806         AC_TRY_COMPILE([
  1807           #import <Cocoa/Cocoa.h>
  1808         ],[
  1809         ],[
  1810         have_cocoa=yes
  1811         ])
  1812         AC_MSG_RESULT($have_cocoa)
  1813         CFLAGS="$save_CFLAGS"
  1814         if test x$have_cocoa = xyes; then
  1815             AC_DEFINE(SDL_VIDEO_DRIVER_COCOA, 1, [ ])
  1816             SOURCES="$SOURCES $srcdir/src/video/cocoa/*.m"
  1817             SUMMARY_video="${SUMMARY_video} cocoa"
  1818             have_video=yes
  1819         fi
  1820     fi
  1821 }
  1822 
  1823 dnl Find DirectFB
  1824 CheckDirectFB()
  1825 {
  1826     AC_ARG_ENABLE(video-directfb,
  1827 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),
  1828                   , enable_video_directfb=no)
  1829     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
  1830         video_directfb=no
  1831 
  1832         DIRECTFB_REQUIRED_VERSION=1.0.0
  1833         AC_PATH_PROGS(DIRECTFBCONFIG, directfb-config, no, [$prefix/bin:$PATH])
  1834         if test x$DIRECTFBCONFIG = xno; then
  1835             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1836             if test x$PKG_CONFIG != xno; then
  1837                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
  1838                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
  1839                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
  1840                     DIRECTFB_PREFIX=`$PKG_CONFIG --variable=prefix directfb`
  1841                     video_directfb=yes
  1842                 fi
  1843             fi
  1844         else
  1845             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
  1846             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1847             set -- `$DIRECTFBCONFIG --version | sed 's/\./ /g'`
  1848             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1849             if test $HAVE_VERSION -ge $NEED_VERSION; then
  1850                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
  1851                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
  1852                 DIRECTFB_PREFIX=`$DIRECTFBCONFIG --prefix`
  1853                 video_directfb=yes
  1854             fi
  1855         fi
  1856         if test x$video_directfb = xyes; then
  1857             # SuSE 11.1 installs directfb-config without directfb-devel
  1858             save_CPPFLAGS="$CPPFLAGS"
  1859             CPPFLAGS="$CPPFLAGS $DIRECTFB_CFLAGS"
  1860             AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no)
  1861             CPPFLAGS="$save_CPPFLAGS"
  1862             video_directfb=$have_directfb_hdr
  1863         fi
  1864         AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
  1865         AC_MSG_RESULT($video_directfb)
  1866 
  1867         if test x$video_directfb = xyes; then
  1868             AC_ARG_ENABLE(directfb-shared,
  1869 AC_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [[default=yes]]]),
  1870                               , enable_directfb_shared=yes)
  1871 
  1872             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB, 1, [ ])
  1873             AC_DEFINE(SDL_VIDEO_RENDER_DIRECTFB, 1, [ ])
  1874             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
  1875             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
  1876 
  1877             AC_MSG_CHECKING(for directfb dynamic loading support)
  1878             directfb_shared=no
  1879             directfb_lib=[`find_lib "libdirectfb.so.*" "$DIRECTFB_LIBS"`]
  1880             # | sed 's/.*\/\(.*\)/\1/; q'`]
  1881 AC_MSG_WARN("directfb $directfb_lib")
  1882             if test x$have_loadso != xyes && \
  1883                test x$enable_directfb_shared = xyes; then
  1884                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic directfb loading])
  1885             fi
  1886             if test x$have_loadso = xyes && \
  1887                test x$enable_directfb_shared = xyes && test x$directfb_lib != x; then
  1888                 directfb_shared=yes
  1889                 echo "-- $directfb_lib_spec -> $directfb_lib"
  1890                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC, "$directfb_lib", [ ])
  1891                 SUMMARY_video="${SUMMARY_video} directfb(dynamic)"
  1892             else
  1893                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
  1894                 SUMMARY_video="${SUMMARY_video} directfb"
  1895             fi
  1896             AC_MSG_RESULT($directfb_shared)
  1897             SDL_CFLAGS="$SDL_CFLAGS $DIRECTFB_CFLAGS"
  1898             have_video=yes
  1899         fi
  1900     fi
  1901 }
  1902 
  1903 dnl Find FusionSound
  1904 CheckFusionSound()
  1905 {
  1906     AC_ARG_ENABLE(fusionsound,
  1907 AC_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [[default=no]]]),
  1908                   , enable_fusionsound=no)
  1909     if test x$enable_audio = xyes -a x$enable_fusionsound = xyes; then
  1910         fusionsound=no
  1911 
  1912         FUSIONSOUND_REQUIRED_VERSION=1.1.1
  1913 
  1914         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1915         AC_MSG_CHECKING(for FusionSound $FUSIONSOUND_REQUIRED_VERSION support)
  1916         if test x$PKG_CONFIG != xno; then
  1917             if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $FUSIONSOUND_REQUIRED_VERSION fusionsound; then
  1918                 FUSIONSOUND_CFLAGS=`$PKG_CONFIG --cflags fusionsound`
  1919                 FUSIONSOUND_LIBS=`$PKG_CONFIG --libs fusionsound`
  1920                 fusionsound=yes
  1921             fi
  1922         fi
  1923         AC_MSG_RESULT($fusionsound)
  1924 
  1925         if test x$fusionsound = xyes; then
  1926             AC_DEFINE(SDL_AUDIO_DRIVER_FUSIONSOUND, 1, [ ])
  1927             SOURCES="$SOURCES $srcdir/src/audio/fusionsound/*.c"
  1928             EXTRA_CFLAGS="$EXTRA_CFLAGS $FUSIONSOUND_CFLAGS"
  1929             
  1930             AC_ARG_ENABLE(fusionsound-shared,
  1931 AC_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [[default=yes]]]),
  1932                           , enable_fusionsound_shared=yes)
  1933             fusionsound_shared=no
  1934             AC_MSG_CHECKING(for FusionSound dynamic loading support)
  1935             if test x$have_loadso != xyes && \
  1936                test x$enable_fusionsound_shared = xyes; then
  1937                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic fusionsound loading])
  1938             fi
  1939             if test x$have_loadso = xyes && \
  1940                test x$enable_fusionsound_shared = xyes; then
  1941                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC, "libfusionsound.so", [ ])
  1942                 fusionsound_shared=yes
  1943                 SUMMARY_audio="${SUMMARY_audio} fusionsound(dynamic)"
  1944             else
  1945                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $FUSIONSOUND_LIBS"
  1946                 SUMMARY_audio="${SUMMARY_audio} fusionsound"
  1947             fi
  1948             AC_MSG_RESULT($fusionsound_shared)
  1949             
  1950             have_audio=yes
  1951         fi
  1952     fi
  1953 }
  1954 
  1955 dnl rcg04172001 Set up the Null video driver.
  1956 CheckDummyVideo()
  1957 {
  1958     AC_ARG_ENABLE(video-dummy,
  1959 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
  1960                   , enable_video_dummy=yes)
  1961     if test x$enable_video_dummy = xyes; then
  1962         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ])
  1963         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
  1964         have_video=yes
  1965         SUMMARY_video="${SUMMARY_video} dummy"
  1966     fi
  1967 }
  1968 
  1969 dnl Check to see if OpenGL support is desired
  1970 AC_ARG_ENABLE(video-opengl,
  1971 AC_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),
  1972               , enable_video_opengl=yes)
  1973 
  1974 dnl Find OpenGL
  1975 CheckOpenGLX11()
  1976 {
  1977     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1978         AC_MSG_CHECKING(for OpenGL (GLX) support)
  1979         video_opengl=no
  1980         AC_TRY_COMPILE([
  1981          #include <GL/gl.h>
  1982          #include <GL/glx.h>
  1983         ],[
  1984         ],[
  1985         video_opengl=yes
  1986         ])
  1987         AC_MSG_RESULT($video_opengl)
  1988         if test x$video_opengl = xyes; then
  1989             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1990             AC_DEFINE(SDL_VIDEO_OPENGL_GLX, 1, [ ])
  1991             AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  1992             SUMMARY_video="${SUMMARY_video} opengl"
  1993         fi
  1994     fi
  1995 }
  1996 
  1997 dnl Check to see if OpenGL ES support is desired
  1998 AC_ARG_ENABLE(video-opengles,
  1999 AC_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [[default=yes]]]),
  2000               , enable_video_opengles=yes)
  2001 AC_ARG_ENABLE(video-opengles1,
  2002 AC_HELP_STRING([--enable-video-opengles1], [include OpenGL ES 1.1 support [[default=yes]]]),
  2003               , enable_video_opengles1=yes)
  2004 AC_ARG_ENABLE(video-opengles2,
  2005 AC_HELP_STRING([--enable-video-opengles2], [include OpenGL ES 2.0 support [[default=yes]]]),
  2006               , enable_video_opengles2=yes)
  2007 
  2008 dnl Find OpenGL ES
  2009 CheckOpenGLESX11()
  2010 {
  2011     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2012         AC_MSG_CHECKING(for EGL support)
  2013         video_opengl_egl=no
  2014         AC_TRY_COMPILE([
  2015           #define LINUX
  2016           #define EGL_API_FB
  2017           #include <EGL/egl.h>
  2018           #include <EGL/eglext.h>
  2019         ],[
  2020         ],[
  2021         video_opengl_egl=yes
  2022         ])
  2023         AC_MSG_RESULT($video_opengl_egl)
  2024         if test x$video_opengl_egl = xyes; then
  2025             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2026         fi
  2027             
  2028         if test x$enable_video_opengles1 = xyes; then
  2029             AC_MSG_CHECKING(for OpenGL ES v1 headers)
  2030             video_opengles_v1=no
  2031             AC_TRY_COMPILE([
  2032              #include <GLES/gl.h>
  2033              #include <GLES/glext.h>
  2034             ],[
  2035             ],[
  2036             video_opengles_v1=yes
  2037             ])
  2038             AC_MSG_RESULT($video_opengles_v1)
  2039             if test x$video_opengles_v1 = xyes; then
  2040                 AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])
  2041                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])
  2042                 SUMMARY_video="${SUMMARY_video} opengl_es1"
  2043             fi
  2044         fi
  2045         
  2046         if test x$enable_video_opengles2 = xyes; then
  2047             AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2048             video_opengles_v2=no
  2049             AC_TRY_COMPILE([
  2050              #include <GLES2/gl2.h>
  2051              #include <GLES2/gl2ext.h>
  2052             ],[
  2053             ],[
  2054             video_opengles_v2=yes
  2055             ])
  2056             AC_MSG_RESULT($video_opengles_v2)
  2057             if test x$video_opengles_v2 = xyes; then
  2058                 AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2059                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2060                 SUMMARY_video="${SUMMARY_video} opengl_es2"
  2061             fi
  2062         fi
  2063     fi
  2064 }
  2065 
  2066 dnl Check for Windows OpenGL
  2067 CheckWINDOWSGL()
  2068 {
  2069     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2070         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2071         AC_DEFINE(SDL_VIDEO_OPENGL_WGL, 1, [ ])
  2072         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2073         SUMMARY_video="${SUMMARY_video} opengl"
  2074     fi
  2075 }
  2076 
  2077 dnl Check for Windows OpenGL
  2078 CheckWINDOWSGLES()
  2079 {
  2080     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2081 
  2082         AC_MSG_CHECKING(for EGL support)
  2083         video_opengl_egl=no
  2084         AC_TRY_COMPILE([
  2085          #include <EGL/egl.h>
  2086         ],[
  2087         ],[
  2088         video_opengl_egl=yes
  2089         ])
  2090         AC_MSG_RESULT($video_opengl_egl)
  2091         if test x$video_opengl_egl = xyes; then
  2092             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2093             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2094             SUMMARY_video="${SUMMARY_video} opengl_es1"
  2095         fi
  2096        
  2097         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2098         video_opengles_v2=no
  2099         AC_TRY_COMPILE([
  2100          #include <GLES2/gl2.h>
  2101          #include <GLES2/gl2ext.h>
  2102         ],[
  2103         ],[
  2104         video_opengles_v2=yes
  2105         ])
  2106         AC_MSG_RESULT($video_opengles_v2)
  2107         if test x$video_opengles_v2 = xyes; then
  2108             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2109             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2110             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2111             SUMMARY_video="${SUMMARY_video} opengl_es2"
  2112         fi
  2113     fi
  2114 }
  2115 
  2116 dnl Check for Haiku OpenGL
  2117 CheckHaikuGL()
  2118 {
  2119     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2120         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2121         AC_DEFINE(SDL_VIDEO_OPENGL_HAIKU, 1, [ ])
  2122         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2123         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  2124         SUMMARY_video="${SUMMARY_video} opengl"
  2125     fi
  2126 }
  2127 
  2128 dnl Check for MacOS OpenGL
  2129 CheckMacGL()
  2130 {
  2131     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2132         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2133         AC_DEFINE(SDL_VIDEO_OPENGL_CGL, 1, [ ])
  2134         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2135         SUMMARY_video="${SUMMARY_video} opengl"
  2136     fi
  2137 }
  2138 
  2139 CheckEmscriptenGLES()
  2140 {
  2141     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2142         AC_MSG_CHECKING(for EGL support)
  2143         video_opengl_egl=no
  2144         AC_TRY_COMPILE([
  2145          #include <EGL/egl.h>
  2146         ],[
  2147         ],[
  2148         video_opengl_egl=yes
  2149         ])
  2150         AC_MSG_RESULT($video_opengl_egl)
  2151         if test x$video_opengl_egl = xyes; then
  2152             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2153         fi
  2154 
  2155         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2156         video_opengles_v2=no
  2157         AC_TRY_COMPILE([
  2158          #include <GLES2/gl2.h>
  2159          #include <GLES2/gl2ext.h>
  2160         ],[
  2161         ],[
  2162         video_opengles_v2=yes
  2163         ])
  2164         AC_MSG_RESULT($video_opengles_v2)
  2165         if test x$video_opengles_v2 = xyes; then
  2166             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2167             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2168             SUMMARY_video="${SUMMARY_video} opengl_es2"
  2169         fi
  2170     fi
  2171 }
  2172 
  2173 dnl See if we can use the new unified event interface in Linux 2.4
  2174 CheckInputEvents()
  2175 {
  2176     dnl Check for Linux 2.4 unified input event interface support
  2177         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
  2178         use_input_events=no
  2179         AC_TRY_COMPILE([
  2180           #include <linux/input.h>
  2181         ],[
  2182           #ifndef EVIOCGNAME
  2183           #error EVIOCGNAME() ioctl not available
  2184           #endif
  2185         ],[
  2186         use_input_events=yes
  2187         ])
  2188         AC_MSG_RESULT($use_input_events)
  2189         if test x$use_input_events = xyes; then
  2190             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])
  2191             SUMMARY_input="${SUMMARY_input} linuxev"
  2192         fi
  2193 }
  2194 
  2195 dnl See if we can use the kernel kd.h header
  2196 CheckInputKD()
  2197 {
  2198 
  2199     AC_MSG_CHECKING(for Linux kd.h)
  2200     use_input_kd=no
  2201     AC_TRY_COMPILE([
  2202       #include <linux/kd.h>
  2203       #include <linux/keyboard.h>
  2204     ],[
  2205         struct kbentry kbe;
  2206         kbe.kb_table = KG_CTRL;
  2207         ioctl(0, KDGKBENT, &kbe);
  2208     ],[
  2209     use_input_kd=yes
  2210     ])
  2211     AC_MSG_RESULT($use_input_kd)
  2212     if test x$use_input_kd = xyes; then
  2213         AC_DEFINE(SDL_INPUT_LINUXKD, 1, [ ])
  2214         SUMMARY_input="${SUMMARY_input} linuxkd"
  2215     fi
  2216 }
  2217 
  2218 dnl See if the platform offers libudev for device enumeration and hotplugging.
  2219 CheckLibUDev()
  2220 {
  2221     AC_ARG_ENABLE(libudev,
  2222 AC_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),
  2223                         , enable_libudev=yes)
  2224     if test x$enable_libudev = xyes; then
  2225         AC_CHECK_HEADER(libudev.h,
  2226                         have_libudev_h_hdr=yes,
  2227                         have_libudev_h_hdr=no)
  2228         if test x$have_libudev_h_hdr = xyes; then
  2229             AC_DEFINE(HAVE_LIBUDEV_H, 1, [ ])
  2230         fi
  2231     fi
  2232 }
  2233 
  2234 dnl See if the platform offers libdbus for various IPC techniques.
  2235 CheckDBus()
  2236 {
  2237     AC_ARG_ENABLE(dbus,
  2238 AC_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),
  2239                         , enable_dbus=yes)
  2240     if test x$enable_dbus = xyes; then
  2241         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2242         if test x$PKG_CONFIG != xno; then
  2243             DBUS_CFLAGS=`$PKG_CONFIG --cflags dbus-1`
  2244             save_CFLAGS="$CFLAGS"
  2245             CFLAGS="$save_CFLAGS $DBUS_CFLAGS"
  2246             AC_CHECK_HEADER(dbus/dbus.h,
  2247                             have_dbus_dbus_h_hdr=yes,
  2248                             have_dbus_dbus_h_hdr=no)
  2249             CFLAGS="$save_CFLAGS"
  2250             if test x$have_dbus_dbus_h_hdr = xyes; then
  2251                 AC_DEFINE(HAVE_DBUS_DBUS_H, 1, [ ])
  2252                 EXTRA_CFLAGS="$EXTRA_CFLAGS $DBUS_CFLAGS"
  2253                 SOURCES="$SOURCES $srcdir/src/core/linux/SDL_dbus.c"
  2254             fi
  2255         fi
  2256     fi
  2257 }
  2258 
  2259 dnl See if the platform has libibus IME support.
  2260 CheckIBus()
  2261 {
  2262     AC_ARG_ENABLE(ibus,
  2263 AC_HELP_STRING([--enable-ibus], [enable IBus support [[default=yes]]]),
  2264                   , enable_ibus=yes)
  2265     if test x$enable_ibus = xyes; then
  2266         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2267         if test x$PKG_CONFIG != xno; then
  2268             IBUS_CFLAGS=`$PKG_CONFIG --cflags ibus-1.0`
  2269             save_CFLAGS="$CFLAGS"
  2270             CFLAGS="$save_CFLAGS $IBUS_CFLAGS"
  2271             AC_CHECK_HEADER(ibus-1.0/ibus.h,
  2272                             have_ibus_ibus_h_hdr=yes,
  2273                             have_ibus_ibus_h_hdr=no)
  2274             AC_CHECK_HEADER(sys/inotify.h,
  2275                             have_inotify_inotify_h_hdr=yes,
  2276                             have_inotify_inotify_h_hdr=no)
  2277             CFLAGS="$save_CFLAGS"
  2278             if test x$have_ibus_ibus_h_hdr = xyes; then
  2279                 if test x$enable_dbus != xyes; then
  2280                     AC_MSG_WARN([DBus support is required for IBus.])
  2281                     have_ibus_ibus_h_hdr=no
  2282                 elif test x$have_inotify_inotify_h_hdr != xyes; then
  2283                     AC_MSG_WARN([INotify support is required for IBus.])
  2284                     have_ibus_ibus_h_hdr=no
  2285                 else
  2286                     AC_DEFINE(HAVE_IBUS_IBUS_H, 1, [ ])
  2287                     EXTRA_CFLAGS="$EXTRA_CFLAGS $IBUS_CFLAGS"
  2288                     SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ibus.c"
  2289                fi
  2290             fi
  2291         fi
  2292     fi
  2293 }
  2294 
  2295 dnl See if we can use the Touchscreen input library
  2296 CheckTslib()
  2297 {
  2298     AC_ARG_ENABLE(input-tslib,
  2299 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
  2300                   , enable_input_tslib=yes)
  2301     if test x$enable_input_tslib = xyes; then
  2302         AC_MSG_CHECKING(for Touchscreen library support)
  2303         enable_input_tslib=no
  2304         AC_TRY_COMPILE([
  2305           #include "tslib.h"
  2306         ],[
  2307         ],[
  2308         enable_input_tslib=yes
  2309         ])
  2310         AC_MSG_RESULT($enable_input_tslib)
  2311         if test x$enable_input_tslib = xyes; then
  2312             AC_DEFINE(SDL_INPUT_TSLIB, 1, [ ])
  2313             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
  2314             SUMMARY_input="${SUMMARY_input} ts"
  2315         fi
  2316     fi
  2317 }
  2318 
  2319 dnl See what type of thread model to use on Linux and Solaris
  2320 CheckPTHREAD()
  2321 {
  2322     dnl Check for pthread support
  2323     AC_ARG_ENABLE(pthreads,
  2324 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
  2325                   , enable_pthreads=yes)
  2326     dnl This is used on Linux for glibc binary compatibility (Doh!)
  2327     AC_ARG_ENABLE(pthread-sem,
  2328 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
  2329                   , enable_pthread_sem=yes)
  2330     case "$host" in
  2331          *-*-androideabi*)
  2332             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2333             pthread_lib=""
  2334             ;;
  2335         *-*-linux*|*-*-uclinux*)
  2336             pthread_cflags="-D_REENTRANT"
  2337             pthread_lib="-lpthread"
  2338             ;;
  2339         *-*-bsdi*)
  2340             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2341             pthread_lib=""
  2342             ;;
  2343         *-*-darwin*)
  2344             pthread_cflags="-D_THREAD_SAFE"
  2345 # causes Carbon.p complaints?
  2346 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2347             ;;
  2348         *-*-freebsd*|*-*-dragonfly*)
  2349             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2350             pthread_lib="-pthread"
  2351             ;;
  2352         *-*-netbsd*)
  2353             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2354             pthread_lib="-lpthread"
  2355             ;;
  2356         *-*-openbsd*)
  2357             pthread_cflags="-D_REENTRANT"
  2358             pthread_lib="-pthread"
  2359             ;;
  2360         *-*-solaris2.9)
  2361             # From Solaris 9+, posix4's preferred name is rt.
  2362             pthread_cflags="-D_REENTRANT"
  2363             pthread_lib="-lpthread -lrt"
  2364             ;;
  2365         *-*-solaris2.10)
  2366             # Solaris 10+ merged pthread into libc.
  2367             pthread_cflags="-D_REENTRANT"
  2368             pthread_lib="-lrt"
  2369             ;;
  2370         *-*-solaris*)
  2371             # Solaris 11+ merged rt into libc.
  2372             pthread_cflags="-D_REENTRANT"
  2373             pthread_lib=""
  2374             ;;
  2375         *-*-sysv5*)
  2376             pthread_cflags="-D_REENTRANT -Kthread"
  2377             pthread_lib=""
  2378             ;;
  2379         *-*-aix*)
  2380             pthread_cflags="-D_REENTRANT -mthreads"
  2381             pthread_lib="-lpthread"
  2382             ;;
  2383         *-*-hpux11*)
  2384             pthread_cflags="-D_REENTRANT"
  2385             pthread_lib="-L/usr/lib -lpthread"
  2386             ;;
  2387         *-*-haiku*)
  2388             pthread_cflags="-D_REENTRANT"
  2389             pthread_lib=""
  2390             ;;
  2391         *)
  2392             pthread_cflags="-D_REENTRANT"
  2393             pthread_lib="-lpthread"
  2394             ;;
  2395     esac
  2396     if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then
  2397         # Save the original compiler flags and libraries
  2398         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2399         # Add the pthread compiler flags and libraries
  2400         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2401         # Check to see if we have pthread support on this system
  2402         AC_MSG_CHECKING(for pthreads)
  2403         use_pthreads=no
  2404         AC_TRY_LINK([
  2405          #include <pthread.h>
  2406         ],[
  2407          pthread_attr_t type;
  2408          pthread_attr_init(&type);
  2409         ],[
  2410         use_pthreads=yes
  2411         ])
  2412         AC_MSG_RESULT($use_pthreads)
  2413         # Restore the compiler flags and libraries
  2414         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2415 
  2416         # Do futher testing if we have pthread support...
  2417         if test x$use_pthreads = xyes; then
  2418             AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ])
  2419             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
  2420             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
  2421             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
  2422 
  2423             # Save the original compiler flags and libraries
  2424             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2425             # Add the pthread compiler flags and libraries
  2426             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2427 
  2428             # Check to see if recursive mutexes are available
  2429             AC_MSG_CHECKING(for recursive mutexes)
  2430             has_recursive_mutexes=no
  2431             if test x$has_recursive_mutexes = xno; then
  2432                 AC_TRY_LINK([
  2433                   #define _GNU_SOURCE 1
  2434                   #include <pthread.h>
  2435                 ],[
  2436                   pthread_mutexattr_t attr;
  2437                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
  2438                 ],[
  2439                 has_recursive_mutexes=yes
  2440                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ])
  2441                 ])
  2442             fi
  2443             if test x$has_recursive_mutexes = xno; then
  2444                 AC_TRY_LINK([
  2445                   #define _GNU_SOURCE 1
  2446                   #include <pthread.h>
  2447                 ],[
  2448                   pthread_mutexattr_t attr;
  2449                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
  2450                 ],[
  2451                 has_recursive_mutexes=yes
  2452                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ])
  2453                 ])
  2454             fi
  2455             AC_MSG_RESULT($has_recursive_mutexes)
  2456 
  2457             # Check to see if pthread semaphore support is missing
  2458             if test x$enable_pthread_sem = xyes; then
  2459                 AC_MSG_CHECKING(for pthread semaphores)
  2460                 have_pthread_sem=no
  2461                 AC_TRY_COMPILE([
  2462                   #include <pthread.h>
  2463                   #include <semaphore.h>
  2464                 ],[
  2465                 ],[
  2466                 have_pthread_sem=yes
  2467                 ])
  2468                 AC_MSG_RESULT($have_pthread_sem)
  2469             fi
  2470             if test x$have_pthread_sem = xyes; then
  2471                 AC_MSG_CHECKING(for sem_timedwait)
  2472                 have_sem_timedwait=no
  2473                 AC_TRY_LINK([
  2474                   #include <pthread.h>
  2475                   #include <semaphore.h>
  2476                 ],[
  2477                   sem_timedwait(NULL, NULL);
  2478                 ],[
  2479                 have_sem_timedwait=yes
  2480                 AC_DEFINE(HAVE_SEM_TIMEDWAIT)
  2481                 ])
  2482                 AC_MSG_RESULT($have_sem_timedwait)
  2483             fi
  2484 
  2485             AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes, have_pthread_np_h=no, [ #include <pthread.h> ])
  2486             if test x$have_pthread_np_h = xyes; then
  2487                 AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ])
  2488             fi
  2489 
  2490             # Check to see if pthread naming is available
  2491             AC_MSG_CHECKING(for pthread_setname_np)
  2492             AC_TRY_LINK_FUNC(pthread_setname_np, [
  2493               has_pthread_setname_np=yes
  2494               AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ])
  2495             ],[
  2496               has_pthread_setname_np=no
  2497             ])
  2498             AC_MSG_RESULT($has_pthread_setname_np)
  2499 
  2500             AC_MSG_CHECKING(for pthread_set_name_np)
  2501             AC_TRY_LINK_FUNC(pthread_set_name_np, [
  2502               has_pthread_set_name_np=yes
  2503               AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ])
  2504             ],[
  2505               has_pthread_set_name_np=no
  2506             ])
  2507             AC_MSG_RESULT($has_pthread_set_name_np)
  2508 
  2509             # Restore the compiler flags and libraries
  2510             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2511 
  2512             # Basic thread creation functions
  2513             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
  2514 
  2515             # Semaphores
  2516             # We can fake these with mutexes and condition variables if necessary
  2517             if test x$have_pthread_sem = xyes; then
  2518                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
  2519             else
  2520                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  2521             fi
  2522 
  2523             # Mutexes
  2524             # We can fake these with semaphores if necessary
  2525             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
  2526 
  2527             # Condition variables
  2528             # We can fake these with semaphores and mutexes if necessary
  2529             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
  2530 
  2531             # Thread local storage
  2532             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systls.c"
  2533 
  2534             have_threads=yes
  2535         fi
  2536     fi
  2537 }
  2538 
  2539 dnl Determine whether the compiler can produce Windows executables
  2540 CheckWINDOWS()
  2541 {
  2542     AC_MSG_CHECKING(Windows compiler)
  2543     have_win32_gcc=no
  2544     AC_TRY_COMPILE([
  2545      #include <windows.h>
  2546     ],[
  2547     ],[
  2548     have_win32_gcc=yes
  2549     ])
  2550     AC_MSG_RESULT($have_win32_gcc)
  2551     if test x$have_win32_gcc != xyes; then
  2552        AC_MSG_ERROR([
  2553 *** Your compiler ($CC) does not produce Windows executables!
  2554        ])
  2555     fi
  2556 
  2557     AC_MSG_CHECKING(Windows CE)
  2558     have_wince=no
  2559     AC_TRY_COMPILE([
  2560 #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__)
  2561 #error This is not Windows CE
  2562 #endif
  2563     ],[
  2564     ],[
  2565     have_wince=yes
  2566        AC_MSG_ERROR([
  2567 *** Sorry, Windows CE is no longer supported.
  2568        ])
  2569     ])
  2570     AC_MSG_RESULT($have_wince)
  2571 
  2572     # This fixes Windows stack alignment with newer GCC
  2573     CheckStackBoundary
  2574 }
  2575 
  2576 dnl Find the DirectX includes and libraries
  2577 CheckDIRECTX()
  2578 {
  2579     AC_ARG_ENABLE(directx,
  2580 AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
  2581                   , enable_directx=yes)
  2582     if test x$enable_directx = xyes; then
  2583         AC_CHECK_HEADER(d3d9.h, have_d3d=yes)
  2584         AC_CHECK_HEADER(d3d11_1.h, have_d3d11=yes)
  2585         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
  2586         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
  2587         AC_CHECK_HEADER(dinput.h, have_dinput=yes)
  2588         AC_CHECK_HEADER(dxgi.h, have_dxgi=yes)
  2589         AC_CHECK_HEADER(xaudio2.h, have_xaudio2=yes)
  2590         AC_CHECK_HEADER(xinput.h, have_xinput=yes)
  2591 
  2592         if test x$have_ddraw = xyes; then
  2593             AC_DEFINE(HAVE_DDRAW_H, 1, [ ])
  2594         fi
  2595         if test x$have_dinput = xyes; then
  2596             AC_DEFINE(HAVE_DINPUT_H, 1, [ ])
  2597         fi
  2598         if test x$have_dsound = xyes; then
  2599             AC_DEFINE(HAVE_DSOUND_H, 1, [ ])
  2600         fi
  2601         if test x$have_dxgi = xyes; then
  2602             AC_DEFINE(HAVE_DXGI_H, 1, [ ])
  2603         fi
  2604         if test x$have_xinput = xyes; then
  2605             AC_DEFINE(HAVE_XINPUT_H, 1, [ ])
  2606         fi
  2607 
  2608         SUMMARY_video="${SUMMARY_video} directx"
  2609         SUMMARY_audio="${SUMMARY_audio} directx"
  2610 
  2611         # FIXME: latest Cygwin finds dinput headers, but we die on other win32 headers.
  2612         # FIXME:  ...so force it off for now.
  2613         case "$host" in
  2614             *-*-cygwin*)
  2615             have_dinput=false
  2616             ;;
  2617         esac
  2618     fi
  2619 }
  2620 
  2621 dnl Check for the dlfcn.h interface for dynamically loading objects
  2622 CheckDLOPEN()
  2623 {
  2624     AC_ARG_ENABLE(sdl-dlopen,
  2625 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
  2626                   , enable_sdl_dlopen=yes)
  2627     if test x$enable_sdl_dlopen = xyes; then
  2628         AC_MSG_CHECKING(for dlopen)
  2629         have_dlopen=no
  2630         AC_TRY_COMPILE([
  2631          #include <dlfcn.h>
  2632         ],[
  2633          void *handle = dlopen("", RTLD_NOW);
  2634          const char *loaderror = (char *) dlerror();
  2635         ],[
  2636         have_dlopen=yes
  2637         ])
  2638         AC_MSG_RESULT($have_dlopen)
  2639 
  2640         if test x$have_dlopen = xyes; then
  2641             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
  2642                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
  2643                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
  2644             AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ])
  2645             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
  2646             have_loadso=yes
  2647         fi
  2648     fi
  2649 }
  2650 
  2651 dnl Check for the usbhid(3) library on *BSD
  2652 CheckUSBHID()
  2653 {
  2654     case "$host" in
  2655         *-*-*bsd*)
  2656             if test x$enable_joystick = xyes; then
  2657                 AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
  2658                 if test x$have_libusbhid = xyes; then
  2659                     AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
  2660                     AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
  2661                     USB_LIBS="$USB_LIBS -lusbhid"
  2662                 else
  2663                     AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
  2664                     AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
  2665                     AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
  2666                 fi
  2667                     
  2668                 save_CFLAGS="$CFLAGS"
  2669                 CFLAGS="$CFLAGS $USB_CFLAGS"
  2670 
  2671                 AC_MSG_CHECKING(for usbhid)
  2672                 have_usbhid=no
  2673                 AC_TRY_COMPILE([
  2674                   #include <sys/types.h>
  2675                   #if defined(HAVE_USB_H)
  2676                   #include <usb.h>
  2677                   #endif
  2678                   #ifdef __DragonFly__
  2679                   # include <bus/usb/usb.h>
  2680                   # include <bus/usb/usbhid.h>
  2681                   #else
  2682                   # include <dev/usb/usb.h>
  2683                   # include <dev/usb/usbhid.h>
  2684                   #endif
  2685                   #if defined(HAVE_USBHID_H)
  2686                   #include <usbhid.h>
  2687                   #elif defined(HAVE_LIBUSB_H)
  2688                   #include <libusb.h>
  2689                   #elif defined(HAVE_LIBUSBHID_H)
  2690                   #include <libusbhid.h>
  2691                   #endif
  2692                 ],[
  2693                   struct report_desc *repdesc;
  2694                   struct usb_ctl_report *repbuf;
  2695                   hid_kind_t hidkind;
  2696                 ],[
  2697                 have_usbhid=yes
  2698                 ])
  2699                 AC_MSG_RESULT($have_usbhid)
  2700 
  2701                 if test x$have_usbhid = xyes; then
  2702                     AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
  2703                     have_usbhid_ucr_data=no
  2704                     AC_TRY_COMPILE([
  2705                       #include <sys/types.h>
  2706                       #if defined(HAVE_USB_H)
  2707                       #include <usb.h>
  2708                       #endif
  2709                       #ifdef __DragonFly__
  2710                       # include <bus/usb/usb.h>
  2711                       # include <bus/usb/usbhid.h>
  2712                       #else
  2713                       # include <dev/usb/usb.h>
  2714                       # include <dev/usb/usbhid.h>
  2715                       #endif
  2716                       #if defined(HAVE_USBHID_H)
  2717                       #include <usbhid.h>
  2718                       #elif defined(HAVE_LIBUSB_H)
  2719                       #include <libusb.h>
  2720                       #elif defined(HAVE_LIBUSBHID_H)
  2721                       #include <libusbhid.h>
  2722                       #endif
  2723                     ],[
  2724                       struct usb_ctl_report buf;
  2725                       if (buf.ucr_data) { }
  2726                     ],[
  2727                     have_usbhid_ucr_data=yes
  2728                     ])
  2729                     if test x$have_usbhid_ucr_data = xyes; then
  2730                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
  2731                     fi
  2732                     AC_MSG_RESULT($have_usbhid_ucr_data)
  2733                     
  2734                     AC_MSG_CHECKING(for new usbhid API)
  2735                     have_usbhid_new=no
  2736                     AC_TRY_COMPILE([
  2737                       #include <sys/types.h>
  2738                       #if defined(HAVE_USB_H)
  2739                       #include <usb.h>
  2740                       #endif
  2741                       #ifdef __DragonFly__
  2742                       #include <bus/usb/usb.h>
  2743                       #include <bus/usb/usbhid.h>
  2744                       #else
  2745                       #include <dev/usb/usb.h>
  2746                       #include <dev/usb/usbhid.h>
  2747                       #endif
  2748                       #if defined(HAVE_USBHID_H)
  2749                       #include <usbhid.h>
  2750                       #elif defined(HAVE_LIBUSB_H)
  2751                       #include <libusb.h>
  2752                       #elif defined(HAVE_LIBUSBHID_H)
  2753                       #include <libusbhid.h>
  2754                       #endif
  2755                     ],[
  2756                       report_desc_t d;
  2757                       hid_start_parse(d, 1, 1);
  2758                     ],[
  2759                     have_usbhid_new=yes
  2760                     ])
  2761                     if test x$have_usbhid_new = xyes; then
  2762                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
  2763                     fi
  2764                     AC_MSG_RESULT($have_usbhid_new)
  2765 
  2766                     AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
  2767                     have_machine_joystick=no
  2768                     AC_TRY_COMPILE([
  2769                       #include <machine/joystick.h>
  2770                     ],[
  2771                       struct joystick t;
  2772                     ],[
  2773                     have_machine_joystick=yes
  2774                     ])
  2775                     if test x$have_machine_joystick = xyes; then
  2776                         AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H, 1, [ ])
  2777                     fi
  2778                     AC_MSG_RESULT($have_machine_joystick)
  2779 
  2780                     AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ])
  2781                     SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
  2782                     EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
  2783                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
  2784                     have_joystick=yes
  2785                 fi
  2786                 CFLAGS="$save_CFLAGS"
  2787             fi
  2788         ;;
  2789     esac
  2790 }
  2791 
  2792 dnl Check for clock_gettime()
  2793 CheckClockGettime()
  2794 {
  2795     AC_ARG_ENABLE(clock_gettime,
  2796 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),
  2797                   , enable_clock_gettime=yes)
  2798     if test x$enable_clock_gettime = xyes; then
  2799         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
  2800         if test x$have_clock_gettime = xyes; then
  2801             AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2802             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
  2803         else
  2804             AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes)
  2805             if test x$have_clock_gettime = xyes; then
  2806                AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2807                EXTRA_LDFLAGS="$EXTRA_LDFLAGS"
  2808             fi
  2809         fi
  2810     fi
  2811 }
  2812 
  2813 dnl Check for a valid linux/version.h
  2814 CheckLinuxVersion()
  2815 {
  2816     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
  2817     if test x$have_linux_version_h = xyes; then
  2818         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
  2819     fi
  2820 }
  2821 
  2822 dnl Check if we want to use RPATH
  2823 CheckRPATH()
  2824 {
  2825     AC_ARG_ENABLE(rpath,
  2826 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
  2827                   , enable_rpath=yes)
  2828 }
  2829 
  2830 dnl Do this on all platforms, before everything else (other things might want to override it).
  2831 CheckWarnAll
  2832 
  2833 dnl Set up the configuration based on the host platform!
  2834 case "$host" in
  2835     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*)
  2836         case "$host" in
  2837             *-raspberry-linux*)
  2838                 # Raspberry Pi
  2839                 ARCH=linux
  2840                 RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
  2841                 CFLAGS="$CFLAGS $RPI_CFLAGS"
  2842                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
  2843                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
  2844                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L/opt/vc/lib -lbcm_host -ldl"
  2845 
  2846                 if test x$enable_video = xyes; then
  2847                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
  2848                     # FIXME: confdefs? Not AC_DEFINE?
  2849                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
  2850                     SUMMARY_video="${SUMMARY_video} rpi"
  2851                 fi
  2852                 ;;
  2853             *-*-androideabi*)
  2854                 # Android
  2855                 ARCH=android
  2856                 ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"
  2857                 CFLAGS="$CFLAGS $ANDROID_CFLAGS"
  2858                 SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS"
  2859                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS"
  2860                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid"
  2861 
  2862                 if test x$enable_video = xyes; then
  2863                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
  2864                     # FIXME: confdefs? Not AC_DEFINE?
  2865                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
  2866                     SUMMARY_video="${SUMMARY_video} android"
  2867                 fi
  2868                 ;;
  2869             *-*-linux*)         ARCH=linux ;;
  2870             *-*-uclinux*)       ARCH=linux ;;
  2871             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
  2872             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
  2873             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
  2874             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
  2875             *-*-bsdi*)          ARCH=bsdi ;;
  2876             *-*-freebsd*)       ARCH=freebsd ;;
  2877             *-*-dragonfly*)     ARCH=freebsd ;;
  2878             *-raspberry-netbsd*)
  2879                 # Raspberry Pi
  2880                 ARCH=netbsd
  2881                 RPI_CFLAGS="-I/usr/pkg/include -I/usr/pkg/include/interface/vcos/pthreads -I/usr/pkg/include/interface/vmcs_host/linux"
  2882                 CFLAGS="$CFLAGS $RPI_CFLAGS"
  2883                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
  2884                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
  2885                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-R/usr/pkg/lib -L/usr/pkg/lib -lbcm_host -ldl"
  2886 
  2887                 if test x$enable_video = xyes; then
  2888                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
  2889                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
  2890                     SUMMARY_video="${SUMMARY_video} raspberry"
  2891                 fi
  2892                 ;;
  2893             *-*-netbsd*)        ARCH=netbsd ;;
  2894             *-*-openbsd*)       ARCH=openbsd ;;
  2895             *-*-sysv5*)         ARCH=sysv5 ;;
  2896             *-*-solaris*)       ARCH=solaris ;;
  2897             *-*-hpux*)          ARCH=hpux ;;
  2898             *-*-aix*)           ARCH=aix ;;
  2899             *-*-minix*)         ARCH=minix ;;
  2900         esac
  2901         CheckVisibilityHidden
  2902         CheckDeclarationAfterStatement
  2903         CheckDummyVideo
  2904         CheckDiskAudio
  2905         CheckDummyAudio
  2906         CheckDLOPEN
  2907         CheckOSS
  2908         CheckALSA
  2909         CheckPulseAudio
  2910         CheckARTSC
  2911         CheckESD
  2912         CheckNAS
  2913         CheckSNDIO
  2914         CheckX11
  2915         CheckDirectFB
  2916         CheckFusionSound
  2917         CheckOpenGLX11
  2918         CheckOpenGLESX11
  2919         CheckMir
  2920         CheckWayland
  2921         CheckLibUDev
  2922         CheckDBus
  2923         CheckIBus
  2924         case $ARCH in
  2925           linux)
  2926               CheckInputEvents
  2927               CheckInputKD
  2928           ;;
  2929         esac
  2930         CheckTslib
  2931         CheckUSBHID
  2932         CheckPTHREAD
  2933         CheckClockGettime
  2934         CheckLinuxVersion
  2935         CheckRPATH
  2936         CheckVivanteVideo
  2937         # Set up files for the audio library
  2938         if test x$enable_audio = xyes; then
  2939           case $ARCH in
  2940             sysv5|solaris|hpux)
  2941                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ])
  2942                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  2943                 have_audio=yes
  2944             ;;
  2945             netbsd)  # Don't use this on OpenBSD, it's busted.
  2946                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD, 1, [ ])
  2947                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
  2948                 have_audio=yes
  2949             ;;
  2950             aix)
  2951                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ])
  2952                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
  2953                 have_audio=yes
  2954             ;;
  2955             android)
  2956                 AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ])
  2957                 SOURCES="$SOURCES $srcdir/src/audio/android/*.c"
  2958                 SUMMARY_audio="${SUMMARY_audio} android"
  2959                 have_audio=yes
  2960             ;;
  2961           esac
  2962         fi
  2963         # Set up files for the joystick library
  2964         if test x$enable_joystick = xyes; then
  2965           case $ARCH in
  2966             linux)
  2967                 AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ])
  2968                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
  2969                 have_joystick=yes
  2970             ;;
  2971             android)
  2972                 AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ])
  2973                 SOURCES="$SOURCES $srcdir/src/joystick/android/*.c"
  2974                 have_joystick=yes
  2975             ;;
  2976           esac
  2977         fi
  2978         # Set up files for the haptic library
  2979         if test x$enable_haptic = xyes; then
  2980            if test x$use_input_events = xyes; then
  2981              case $ARCH in
  2982                linux)
  2983                    AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ])
  2984                    SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"
  2985                    have_haptic=yes
  2986                ;;
  2987              esac
  2988            fi
  2989         fi
  2990         # Set up files for the power library
  2991         if test x$enable_power = xyes; then
  2992              case $ARCH in
  2993                linux)
  2994                    AC_DEFINE(SDL_POWER_LINUX, 1, [ ])
  2995                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"
  2996                    have_power=yes
  2997                ;;
  2998                android)
  2999                    AC_DEFINE(SDL_POWER_ANDROID, 1, [ ])
  3000                    SOURCES="$SOURCES $srcdir/src/power/android/*.c"
  3001                    have_power=yes
  3002                ;;
  3003              esac
  3004         fi
  3005         # Set up files for the filesystem library
  3006         if test x$enable_filesystem = xyes; then
  3007              case $ARCH in
  3008                android)
  3009                    AC_DEFINE(SDL_FILESYSTEM_ANDROID, 1, [ ])
  3010                    SOURCES="$SOURCES $srcdir/src/filesystem/android/*.c"
  3011                    have_filesystem=yes
  3012                ;;
  3013                *)
  3014                    AC_DEFINE(SDL_FILESYSTEM_UNIX, 1, [ ])
  3015                    SOURCES="$SOURCES $srcdir/src/filesystem/unix/*.c"
  3016                    have_filesystem=yes
  3017                ;;
  3018              esac
  3019         fi
  3020         # Set up files for the timer library
  3021         if test x$enable_timers = xyes; then
  3022             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3023             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3024             have_timers=yes
  3025         fi
  3026         # Set up files for udev hotplugging support
  3027         if test x$enable_libudev = xyes && test x$have_libudev_h_hdr = xyes; then
  3028             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_udev.c"               
  3029         fi
  3030         # Set up files for evdev input
  3031         if test x$use_input_events = xyes; then
  3032             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev.c"
  3033         fi       
  3034         ;;
  3035     *-*-cygwin* | *-*-mingw32*)
  3036         ARCH=win32
  3037         if test "$build" != "$host"; then # cross-compiling
  3038             # Default cross-compile location
  3039             ac_default_prefix=/usr/local/cross-tools/$host
  3040         else
  3041             # Look for the location of the tools and install there
  3042             if test "$BUILD_PREFIX" != ""; then
  3043                 ac_default_prefix=$BUILD_PREFIX
  3044             fi
  3045         fi
  3046         CheckDummyVideo
  3047         CheckDiskAudio
  3048         CheckDummyAudio
  3049         CheckWINDOWS
  3050         CheckWINDOWSGL
  3051         CheckWINDOWSGLES
  3052         CheckDIRECTX
  3053 
  3054         # Set up the core platform files
  3055         SOURCES="$SOURCES $srcdir/src/core/windows/*.c"
  3056 
  3057         # Set up files for the video library
  3058         if test x$enable_video = xyes; then
  3059             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])
  3060             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
  3061             have_video=yes
  3062             AC_ARG_ENABLE(render-d3d,
  3063 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
  3064                                 , enable_render_d3d=yes)
  3065             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
  3066                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])
  3067             fi
  3068             if test x$enable_render_d3d = xyes -a x$have_d3d11 = xyes; then
  3069                 AC_DEFINE(SDL_VIDEO_RENDER_D3D11, 1, [ ])
  3070             fi
  3071         fi
  3072         # Set up files for the audio library
  3073         if test x$enable_audio = xyes; then
  3074             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])
  3075             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"
  3076             if test x$have_dsound = xyes; then
  3077                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])
  3078                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"
  3079             fi
  3080             if test x$have_xaudio2 = xyes; then
  3081                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
  3082                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
  3083             fi
  3084             have_audio=yes
  3085         fi
  3086         # Set up files for the joystick library
  3087         if test x$enable_joystick = xyes; then
  3088             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
  3089                 if test x$have_xinput = xyes; then
  3090                     AC_DEFINE(SDL_JOYSTICK_XINPUT, 1, [ ])
  3091                 fi
  3092                 if test x$have_dinput = xyes; then
  3093                     AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ])
  3094                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8"
  3095                 fi
  3096             else
  3097                 AC_DEFINE(SDL_JOYSTICK_WINMM, 1, [ ])
  3098             fi
  3099             SOURCES="$SOURCES $srcdir/src/joystick/windows/*.c"
  3100             have_joystick=yes
  3101         fi
  3102         if test x$enable_haptic = xyes; then
  3103             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
  3104                 if test x$have_xinput = xyes; then
  3105                     AC_DEFINE(SDL_HAPTIC_XINPUT, 1, [ ])
  3106                 fi
  3107                 if test x$have_dinput = xyes; then
  3108                     AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ])
  3109                 fi
  3110                 SOURCES="$SOURCES $srcdir/src/haptic/windows/*.c"
  3111                 have_haptic=yes
  3112             fi
  3113         fi
  3114         if test x$enable_power = xyes; then
  3115             AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ])
  3116             SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c"
  3117             have_power=yes
  3118         fi
  3119         if test x$enable_filesystem = xyes; then
  3120             AC_DEFINE(SDL_FILESYSTEM_WINDOWS, 1, [ ])
  3121             SOURCES="$SOURCES $srcdir/src/filesystem/windows/SDL_sysfilesystem.c"
  3122             have_filesystem=yes
  3123         fi
  3124         # Set up files for the thread library
  3125         if test x$enable_threads = xyes; then
  3126             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])
  3127             SOURCES="$SOURCES $srcdir/src/thread/windows/*.c"
  3128             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  3129             have_threads=yes
  3130         fi
  3131         # Set up files for the timer library
  3132         if test x$enable_timers = xyes; then
  3133             AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ])
  3134             SOURCES="$SOURCES $srcdir/src/timer/windows/*.c"
  3135             have_timers=yes
  3136         fi
  3137         # Set up files for the shared object loading library
  3138         if test x$enable_loadso = xyes; then
  3139             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])
  3140             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"
  3141             have_loadso=yes
  3142         fi
  3143         # Set up the system libraries we need
  3144         if test -f /lib/w32api/libuuid.a; then
  3145             LIBUUID=/lib/w32api/libuuid.a
  3146         else
  3147             LIBUUID=-luuid
  3148         fi
  3149         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion $LIBUUID -static-libgcc"
  3150         # The Windows platform requires special setup
  3151         VERSION_SOURCES="$srcdir/src/main/windows/*.rc"
  3152         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
  3153         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
  3154         SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows"
  3155 
  3156         # Check to see if this is a mingw or cygwin build
  3157         have_mingw32=
  3158         AC_CHECK_LIB(mingw32, main, [have_mingw32=yes])
  3159         if test x$have_mingw32 = xyes; then
  3160             SDL_LIBS="-lmingw32 $SDL_LIBS"
  3161         else
  3162             SDL_LIBS="-lcygwin $SDL_LIBS"
  3163         fi
  3164         ;;
  3165 
  3166     dnl BeOS support removed after SDL 2.0.1. Haiku still works.  --ryan.
  3167     *-*-beos*)
  3168         AC_MSG_ERROR([
  3169 *** BeOS support has been removed as of SDL 2.0.2.
  3170         ])
  3171         ;;
  3172 
  3173     *-*-haiku*)
  3174         ARCH=haiku
  3175         ac_default_prefix=/boot/system
  3176         CheckDummyVideo
  3177         CheckDiskAudio
  3178         CheckDummyAudio
  3179         CheckHaikuVideo
  3180         CheckHaikuGL
  3181         CheckPTHREAD
  3182 
  3183         # Set up files for the audio library
  3184         if test x$enable_audio = xyes; then
  3185             AC_DEFINE(SDL_AUDIO_DRIVER_HAIKU, 1, [ ])
  3186             SOURCES="$SOURCES $srcdir/src/audio/haiku/*.cc"
  3187             have_audio=yes
  3188         fi
  3189         # Set up files for the joystick library
  3190         if test x$enable_joystick = xyes; then
  3191             AC_DEFINE(SDL_JOYSTICK_HAIKU, 1, [ ])
  3192             SOURCES="$SOURCES $srcdir/src/joystick/haiku/*.cc"
  3193             have_joystick=yes
  3194         fi
  3195         # Set up files for the timer library
  3196         if test x$enable_timers = xyes; then
  3197             AC_DEFINE(SDL_TIMER_HAIKU, 1, [ ])
  3198             SOURCES="$SOURCES $srcdir/src/timer/haiku/*.c"
  3199             have_timers=yes
  3200         fi
  3201         # Set up files for the shared object loading library
  3202         if test x$enable_loadso = xyes; then
  3203             AC_DEFINE(SDL_LOADSO_HAIKU, 1, [ ])
  3204             SOURCES="$SOURCES $srcdir/src/loadso/haiku/*.c"
  3205             have_loadso=yes
  3206         fi
  3207         # Set up files for the system power library
  3208         if test x$enable_power = xyes; then
  3209             AC_DEFINE(SDL_POWER_HAIKU, 1, [ ])
  3210             SOURCES="$SOURCES $srcdir/src/power/haiku/*.c"
  3211             have_power=yes
  3212         fi
  3213         # Set up files for the system filesystem library
  3214         if test x$enable_filesystem = xyes; then
  3215             AC_DEFINE(SDL_FILESYSTEM_HAIKU, 1, [ ])
  3216             SOURCES="$SOURCES $srcdir/src/filesystem/haiku/*.cc"
  3217             have_filesystem=yes
  3218         fi
  3219         # The Haiku platform requires special setup.
  3220         SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES"
  3221         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
  3222         ;;
  3223     arm*-apple-darwin*)
  3224         # iOS - We are not writing anything to confdefs.h because you have to replace
  3225         # SDL_config.h for SDL_config_iphoneos.h anyway
  3226         ARCH=ios
  3227 
  3228         CheckVisibilityHidden
  3229         CheckDeclarationAfterStatement
  3230         CheckDummyVideo
  3231         CheckDiskAudio
  3232         CheckDummyAudio
  3233         CheckDLOPEN
  3234         CheckCOCOA
  3235         CheckPTHREAD
  3236 
  3237 
  3238         # Set up files for the audio library
  3239         if test x$enable_audio = xyes; then
  3240             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  3241             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3242             have_audio=yes
  3243         fi
  3244         # Set up files for the joystick library
  3245         if test x$enable_joystick = xyes; then
  3246             SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m"
  3247             have_joystick=yes
  3248         fi
  3249         # Set up files for the haptic library
  3250         #if test x$enable_haptic = xyes; then
  3251         #    SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3252         #    have_haptic=yes
  3253         #    EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3254         #fi
  3255         # Set up files for the power library
  3256         if test x$enable_power = xyes; then
  3257             SOURCES="$SOURCES $srcdir/src/power/uikit/*.m"
  3258             have_power=yes
  3259         fi
  3260         # Set up files for the filesystem library
  3261         if test x$enable_filesystem = xyes; then
  3262             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3263             have_filesystem=yes
  3264         fi
  3265         # Set up files for the timer library
  3266         if test x$enable_timers = xyes; then
  3267             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3268             have_timers=yes
  3269         fi
  3270         # Set up additional files for the file library
  3271         if test x$enable_file = xyes; then
  3272             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3273         fi
  3274         # The iOS platform requires special setup.
  3275         SOURCES="$SOURCES $srcdir/src/video/uikit/*.m"
  3276         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3277         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -liconv -lobjc"
  3278         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Foundation"
  3279         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"
  3280         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGLES"
  3281         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"
  3282         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio"
  3283         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox"
  3284         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreGraphics"
  3285         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreMotion"
  3286         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,GameController"
  3287         ;;
  3288     *-*-darwin* )
  3289         # This could be either full "Mac OS X", or plain "Darwin" which is
  3290         # just the OS X kernel sans upper layers like Carbon and Cocoa.
  3291         # Next line is broken, and a few files below require Mac OS X (full)
  3292         ARCH=macosx
  3293 
  3294         # Mac OS X builds with both the Carbon and OSX APIs at the moment
  3295         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
  3296         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
  3297 
  3298         CheckVisibilityHidden
  3299         CheckDeclarationAfterStatement
  3300         CheckDummyVideo
  3301         CheckDiskAudio
  3302         CheckDummyAudio
  3303         CheckDLOPEN
  3304         CheckCOCOA
  3305         CheckX11
  3306         CheckMacGL
  3307         CheckOpenGLX11
  3308         CheckPTHREAD
  3309 
  3310         # Set up files for the audio library
  3311         if test x$enable_audio = xyes; then
  3312             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
  3313             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  3314             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3315             have_audio=yes
  3316         fi
  3317         # Set up files for the joystick library
  3318         if test x$enable_joystick = xyes; then
  3319             AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ])
  3320             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
  3321             have_joystick=yes
  3322         fi
  3323         # Set up files for the haptic library
  3324         if test x$enable_haptic = xyes; then
  3325             AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ])
  3326             SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3327             have_haptic=yes
  3328             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3329         fi
  3330         # Set up files for the power library
  3331         if test x$enable_power = xyes; then
  3332             AC_DEFINE(SDL_POWER_MACOSX, 1, [ ])
  3333             SOURCES="$SOURCES $srcdir/src/power/macosx/*.c"
  3334             have_power=yes
  3335         fi
  3336         # Set up files for the filesystem library
  3337         if test x$enable_filesystem = xyes; then
  3338             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])
  3339             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3340             have_filesystem=yes
  3341         fi
  3342         # Set up files for the timer library
  3343         if test x$enable_timers = xyes; then
  3344             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3345             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3346             have_timers=yes
  3347         fi
  3348         # Set up additional files for the file library
  3349         if test x$enable_file = xyes; then
  3350             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3351         fi
  3352         # The Mac OS X platform requires special setup.
  3353         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3354         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc"
  3355         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreVideo"
  3356         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
  3357         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
  3358         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
  3359         # If audio is used, add the AudioUnit framework
  3360         if test x$enable_audio = xyes; then
  3361             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit"
  3362         fi
  3363         ;;
  3364     *-nacl|*-pnacl)
  3365         ARCH=nacl
  3366         CheckNativeClient
  3367         CheckDummyAudio
  3368         CheckDummyVideo
  3369         CheckInputEvents
  3370         CheckPTHREAD
  3371         
  3372         # Set up files for the timer library
  3373         if test x$enable_timers = xyes; then
  3374             AC_DEFINE(SDL_TIMER_UNIX)
  3375             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3376             have_timers=yes
  3377         fi
  3378         
  3379         if test x$enable_filesystem = xyes; then
  3380             AC_DEFINE(SDL_FILESYSTEM_NACL, 1, [ ])
  3381             SOURCES="$SOURCES $srcdir/src/filesystem/nacl/*.c"
  3382             have_filesystem=yes
  3383         fi
  3384         ;;
  3385     *-*-emscripten* )
  3386         if test x$enable_video = xyes; then
  3387             AC_DEFINE(SDL_VIDEO_DRIVER_EMSCRIPTEN, 1, [ ])
  3388             SOURCES="$SOURCES $srcdir/src/video/emscripten/*.c"
  3389             have_video=yes
  3390             SUMMARY_video="${SUMMARY_video} emscripten"
  3391         fi
  3392 
  3393         if test x$enable_audio = xyes; then
  3394             AC_DEFINE(SDL_AUDIO_DRIVER_EMSCRIPTEN, 1, [ ])
  3395             SOURCES="$SOURCES $srcdir/src/audio/emscripten/*.c"
  3396             have_audio=yes
  3397             SUMMARY_audio="${SUMMARY_audio} emscripten"
  3398         fi
  3399 
  3400         CheckVisibilityHidden
  3401         CheckDeclarationAfterStatement
  3402         CheckDummyVideo
  3403         CheckDiskAudio
  3404         CheckDummyAudio
  3405         CheckDLOPEN
  3406         CheckClockGettime
  3407         CheckEmscriptenGLES
  3408 
  3409          # Set up files for the power library
  3410         if test x$enable_power = xyes; then
  3411             AC_DEFINE(SDL_POWER_EMSCRIPTEN, 1, [ ])
  3412             SOURCES="$SOURCES $srcdir/src/power/emscripten/*.c"
  3413             have_power=yes
  3414         fi
  3415         
  3416         # Set up files for the power library
  3417         if test x$enable_joystick = xyes; then
  3418             AC_DEFINE(SDL_JOYSTICK_EMSCRIPTEN, 1, [ ])
  3419             SOURCES="$SOURCES $srcdir/src/joystick/emscripten/*.c"
  3420             have_joystick=yes
  3421         fi
  3422 
  3423         # Set up files for the filesystem library
  3424         if test x$enable_filesystem = xyes; then
  3425             AC_DEFINE(SDL_FILESYSTEM_EMSCRIPTEN, 1, [ ])
  3426             SOURCES="$SOURCES $srcdir/src/filesystem/emscripten/*.c"
  3427             have_filesystem=yes
  3428         fi
  3429         # Set up files for the timer library
  3430         if test x$enable_timers = xyes; then
  3431             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3432             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3433             have_timers=yes
  3434         fi
  3435         ;;
  3436     *)
  3437         AC_MSG_ERROR([
  3438 *** Unsupported host:  Please add to configure.in
  3439         ])
  3440         ;;
  3441 esac
  3442 
  3443 # Verify that we have all the platform specific files we need
  3444 
  3445 if test x$have_joystick != xyes; then
  3446     if test x$enable_joystick = xyes; then
  3447         AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
  3448     fi
  3449     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
  3450 fi
  3451 if test x$have_haptic != xyes; then
  3452     if test x$enable_haptic = xyes; then
  3453         AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
  3454     fi
  3455     SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c"
  3456 fi
  3457 if test x$have_threads != xyes; then
  3458     if test x$enable_threads = xyes; then
  3459         AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
  3460     fi
  3461     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
  3462 fi
  3463 if test x$have_timers != xyes; then
  3464     if test x$enable_timers = xyes; then
  3465         AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
  3466     fi
  3467     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
  3468 fi
  3469 if test x$have_filesystem != xyes; then
  3470     if test x$enable_filesystem = xyes; then
  3471         AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
  3472     fi
  3473     SOURCES="$SOURCES $srcdir/src/filesystem/dummy/*.c"
  3474 fi
  3475 if test x$have_loadso != xyes; then
  3476     if test x$enable_loadso = xyes; then
  3477         AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
  3478     fi
  3479     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
  3480 fi
  3481 if test x$SDLMAIN_SOURCES = x; then
  3482     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
  3483 fi
  3484 SDLTEST_SOURCES="$srcdir/src/test/*.c"
  3485 
  3486 if test x$video_wayland = xyes; then
  3487     WAYLAND_CORE_PROTOCOL_SOURCE='$(gen)/wayland-protocol.c'
  3488     WAYLAND_CORE_PROTOCOL_HEADER='$(gen)/wayland-client-protocol.h'
  3489     GEN_SOURCES="$GEN_SOURCES $WAYLAND_CORE_PROTOCOL_SOURCE"
  3490     GEN_HEADERS="$GEN_HEADERS $WAYLAND_CORE_PROTOCOL_HEADER"
  3491 
  3492     WAYLAND_CORE_PROTOCOL_SOURCE_DEPENDS="
  3493 $WAYLAND_CORE_PROTOCOL_SOURCE: $WAYLAND_CORE_PROTOCOL_DIR/wayland.xml
  3494 	\$(SHELL) \$(auxdir)/mkinstalldirs \$(gen)
  3495 	\$(RUN_CMD_GEN)\$(WAYLAND_SCANNER) code \$< \$@"
  3496 
  3497     WAYLAND_CORE_PROTOCOL_HEADER_DEPENDS="
  3498 $WAYLAND_CORE_PROTOCOL_HEADER: $WAYLAND_CORE_PROTOCOL_DIR/wayland.xml
  3499 	\$(SHELL) \$(auxdir)/mkinstalldirs \$(gen)
  3500 	\$(RUN_CMD_GEN)\$(WAYLAND_SCANNER) client-header \$< \$@"
  3501 
  3502     WAYLAND_CORE_PROTOCOL_OBJECT="
  3503 \$(objects)/`echo $WAYLAND_CORE_PROTOCOL_SOURCE | sed 's/\$(gen)\/\(.*\).c$/\1.lo/'`: $WAYLAND_CORE_PROTOCOL_SOURCE
  3504 	\$(RUN_CMD_CC)\$(LIBTOOL) --tag=CC --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \$< -o \$@"
  3505 
  3506     WAYLAND_PROTOCOLS_DEPENDS="
  3507 $WAYLAND_CORE_PROTOCOL_SOURCE_DEPENDS
  3508 $WAYLAND_CORE_PROTOCOL_HEADER_DEPENDS
  3509 $WAYLAND_CORE_PROTOCOL_OBJECT
  3510 "
  3511 fi
  3512 
  3513 OBJECTS=`echo $SOURCES`
  3514 DEPENDS=`echo $SOURCES | tr ' ' '\n'`
  3515 for EXT in asm cc m c S; do
  3516     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`
  3517     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\
  3518 \\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
  3519 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3520 done
  3521 
  3522 GEN_OBJECTS=`echo "$GEN_SOURCES" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.lo,g'`
  3523 
  3524 VERSION_OBJECTS=`echo $VERSION_SOURCES`
  3525 VERSION_DEPENDS=`echo $VERSION_SOURCES`
  3526 VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
  3527 VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\
  3528 \\$(objects)/\\2.o: \\1/\\2.rc\\\\
  3529 	\\$(WINDRES) \\$< \\$@,g"`
  3530 
  3531 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
  3532 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
  3533 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3534 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3535 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3536 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3537 
  3538 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`
  3539 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`
  3540 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3541 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3542 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3543 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3544 
  3545 # Set runtime shared library paths as needed
  3546 
  3547 if test "x$enable_rpath" = "xyes"; then
  3548   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
  3549     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
  3550 
  3551     AC_MSG_CHECKING(for linker option --enable-new-dtags)
  3552     have_enable_new_dtags=no
  3553     save_LDFLAGS="$LDFLAGS"
  3554     LDFLAGS="$LDFLAGS -Wl,--enable-new-dtags"
  3555     AC_TRY_LINK([
  3556     ],[
  3557     ],[
  3558     have_enable_new_dtags=yes
  3559     SDL_RLD_FLAGS="$SDL_RLD_FLAGS -Wl,--enable-new-dtags"
  3560     ])
  3561     LDFLAGS="$save_LDFLAGS"
  3562     AC_MSG_RESULT($have_enable_new_dtags)
  3563   fi
  3564   if test $ARCH = solaris; then
  3565     SDL_RLD_FLAGS="-R\${libdir}"
  3566   fi
  3567 else
  3568   SDL_RLD_FLAGS=""
  3569 fi
  3570 
  3571 SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
  3572 
  3573 dnl Expand the cflags and libraries needed by apps using SDL
  3574 AC_SUBST(SDL_CFLAGS)
  3575 AC_SUBST(SDL_LIBS)
  3576 AC_SUBST(SDL_STATIC_LIBS)
  3577 AC_SUBST(SDL_RLD_FLAGS)
  3578 if test x$enable_shared = xyes; then
  3579     ENABLE_SHARED_TRUE=
  3580     ENABLE_SHARED_FALSE="#"
  3581 else
  3582     ENABLE_SHARED_TRUE="#"
  3583     ENABLE_SHARED_FALSE=
  3584 fi
  3585 if test x$enable_static = xyes; then
  3586     ENABLE_STATIC_TRUE=
  3587     ENABLE_STATIC_FALSE="#"
  3588 else
  3589     ENABLE_STATIC_TRUE="#"
  3590     ENABLE_STATIC_FALSE=
  3591 fi
  3592 AC_SUBST(ENABLE_SHARED_TRUE)
  3593 AC_SUBST(ENABLE_SHARED_FALSE)
  3594 AC_SUBST(ENABLE_STATIC_TRUE)
  3595 AC_SUBST(ENABLE_STATIC_FALSE)
  3596 
  3597 dnl Expand the sources and objects needed to build the library
  3598 AC_SUBST(ac_aux_dir)
  3599 AC_SUBST(INCLUDE)
  3600 AC_SUBST(OBJECTS)
  3601 AC_SUBST(GEN_HEADERS)
  3602 AC_SUBST(GEN_OBJECTS)
  3603 AC_SUBST(VERSION_OBJECTS)
  3604 AC_SUBST(SDLMAIN_OBJECTS)
  3605 AC_SUBST(SDLTEST_OBJECTS)
  3606 AC_SUBST(BUILD_CFLAGS)
  3607 AC_SUBST(EXTRA_CFLAGS)
  3608 AC_SUBST(BUILD_LDFLAGS)
  3609 AC_SUBST(EXTRA_LDFLAGS)
  3610 AC_SUBST(WINDRES)
  3611 AC_SUBST(WAYLAND_SCANNER)
  3612 
  3613 cat >Makefile.rules <<__EOF__
  3614 
  3615 # Build rules for objects
  3616 -include \$(OBJECTS:.lo=.d)
  3617 
  3618 # Special dependency for SDL.c, since it depends on SDL_revision.h
  3619 $srcdir/src/SDL.c: update-revision
  3620 $DEPENDS
  3621 $VERSION_DEPENDS
  3622 $SDLMAIN_DEPENDS
  3623 $SDLTEST_DEPENDS
  3624 $WAYLAND_PROTOCOLS_DEPENDS
  3625 __EOF__
  3626 
  3627 AC_CONFIG_FILES([
  3628     Makefile:Makefile.in:Makefile.rules sdl2-config sdl2-config.cmake SDL2.spec sdl2.pc
  3629 ])
  3630 AC_CONFIG_COMMANDS([sdl2_config],[chmod a+x sdl2-config])
  3631 
  3632 SUMMARY="SDL2 Configure Summary:\n"
  3633 if test x$enable_shared = xyes; then
  3634     SUMMARY="${SUMMARY}Building Shared Libraries\n"
  3635 fi
  3636 if test x$enable_static = xyes; then
  3637     SUMMARY="${SUMMARY}Building Static Libraries\n"
  3638 fi
  3639 SUMMARY="${SUMMARY}Enabled modules :${SUMMARY_modules}\n"
  3640 SUMMARY="${SUMMARY}Assembly Math   :${SUMMARY_math}\n" 
  3641 SUMMARY="${SUMMARY}Audio drivers   :${SUMMARY_audio}\n"
  3642 SUMMARY="${SUMMARY}Video drivers   :${SUMMARY_video}\n"
  3643 if test x$have_x = xyes; then
  3644     SUMMARY="${SUMMARY}X11 libraries   :${SUMMARY_video_x11}\n"
  3645 fi
  3646 SUMMARY="${SUMMARY}Input drivers   :${SUMMARY_input}\n"
  3647 if test x$enable_libudev = xyes; then
  3648     SUMMARY="${SUMMARY}Using libudev   : YES\n"
  3649 else
  3650     SUMMARY="${SUMMARY}Using libudev   : NO\n"
  3651 fi
  3652 if test x$have_dbus_dbus_h_hdr = xyes; then
  3653     SUMMARY="${SUMMARY}Using dbus      : YES\n"
  3654 else
  3655     SUMMARY="${SUMMARY}Using dbus      : NO\n"
  3656 fi
  3657 if test x$have_ibus_ibus_h_hdr = xyes; then
  3658     SUMMARY="${SUMMARY}Using ibus      : YES\n"
  3659 else
  3660     SUMMARY="${SUMMARY}Using ibus      : NO\n"
  3661 fi
  3662 AC_CONFIG_COMMANDS([summary], [echo -en "$SUMMARY"], [SUMMARY="$SUMMARY"])
  3663 
  3664 AC_OUTPUT