configure.in
author Sam Lantinga <slouken@libsdl.org>
Mon, 13 Oct 2014 10:43:10 -0700
changeset 9155 dfeb88fc5a9d
parent 9127 a8c38ed1a674
child 9164 494876610c49
permissions -rw-r--r--
Added configure options to disable OpenGL ES 1.1 and 2.0 individually
     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 $gcc_bin_path $gcc_lib_path $env_lib_path $host_lib_path; do
   146         lib=[`ls -- $path/$1 2>/dev/null | sed -e '/\.so\..*\./d' -e 's,.*/,,' | sort | tail -1`]
   147         if test x$lib != x; then
   148             echo $lib
   149             return
   150         fi
   151     done
   152 }
   153 
   154 dnl Check for compiler characteristics
   155 AC_C_CONST
   156 AC_C_INLINE
   157 AC_C_VOLATILE
   158 
   159 dnl See whether we want assertions for debugging/sanity checking SDL itself.
   160 AC_ARG_ENABLE(assertions,
   161 AC_HELP_STRING([--enable-assertions],
   162                [Enable internal sanity checks (auto/disabled/release/enabled/paranoid) [[default=auto]]]),
   163               , enable_assertions=auto)
   164 case "$enable_assertions" in
   165     auto) # Use optimization settings to determine assertion level
   166         ;;
   167     disabled)
   168         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 0, [ ])
   169         ;;
   170     release)
   171         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 1, [ ])
   172         ;;
   173     enabled)
   174         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 2, [ ])
   175         ;;
   176     paranoid)
   177         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 3, [ ])
   178         ;;
   179     *)
   180         AC_MSG_ERROR([*** unknown assertion level. stop.])
   181         ;;
   182 esac
   183 
   184 dnl See whether we can use gcc style dependency tracking
   185 AC_ARG_ENABLE(dependency-tracking,
   186 AC_HELP_STRING([--enable-dependency-tracking],
   187                [Use gcc -MMD -MT dependency tracking [[default=yes]]]),
   188               , enable_dependency_tracking=yes)
   189 if test x$enable_dependency_tracking = xyes; then
   190     have_gcc_mmd_mt=no
   191     AC_MSG_CHECKING(for GCC -MMD -MT option)
   192     AC_TRY_COMPILE([
   193     #if !defined(__GNUC__) || __GNUC__ < 3
   194     #error Dependency tracking requires GCC 3.0 or newer
   195     #endif
   196     ],[
   197     ],[
   198     have_gcc_mmd_mt=yes
   199     ])
   200     AC_MSG_RESULT($have_gcc_mmd_mt)
   201 
   202     if test x$have_gcc_mmd_mt = xyes; then
   203         DEPENDENCY_TRACKING_OPTIONS="-MMD -MT \$@"
   204     fi
   205 fi
   206 
   207 AC_MSG_CHECKING(for linker option --no-undefined)
   208 have_no_undefined=no
   209 case "$host" in
   210     dnl Skip this on platforms where it is just simply busted.
   211     *-*-openbsd*)
   212         ;;
   213 
   214     *)
   215         save_LDFLAGS="$LDFLAGS"
   216         LDFLAGS="$LDFLAGS -Wl,--no-undefined"
   217         AC_TRY_LINK([
   218         ],[
   219         ],[
   220         have_no_undefined=yes
   221         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,--no-undefined"
   222         ])
   223         LDFLAGS="$save_LDFLAGS"
   224         ;;
   225 esac
   226 AC_MSG_RESULT($have_no_undefined)
   227 
   228 dnl See whether we are allowed to use the system C library
   229 AC_ARG_ENABLE(libc,
   230 AC_HELP_STRING([--enable-libc], [Use the system C library [[default=yes]]]),
   231               , enable_libc=yes)
   232 if test x$enable_libc = xyes; then
   233     AC_DEFINE(HAVE_LIBC, 1, [ ])
   234 
   235     dnl Check for C library headers
   236     AC_HEADER_STDC
   237     AC_CHECK_HEADERS(sys/types.h stdio.h stdlib.h stddef.h stdarg.h malloc.h memory.h string.h strings.h inttypes.h stdint.h ctype.h math.h iconv.h signal.h)
   238 
   239     dnl Check for typedefs, structures, etc.
   240     AC_TYPE_SIZE_T
   241 
   242     dnl Check for defines
   243     AC_CHECK_DEFINE(M_PI, math.h)
   244 
   245     dnl Checks for library functions.
   246     case "$host" in
   247     *-*-cygwin* | *-*-mingw32*)
   248         ;;
   249     *)
   250         AC_FUNC_ALLOCA
   251         ;;
   252     esac
   253 
   254     AC_FUNC_MEMCMP
   255     if test x$ac_cv_func_memcmp_working = xyes; then
   256         AC_DEFINE(HAVE_MEMCMP, 1, [ ])
   257     fi
   258     AC_FUNC_STRTOD
   259     if test x$ac_cv_func_strtod = xyes; then
   260         AC_DEFINE(HAVE_STRTOD, 1, [ ])
   261     fi
   262     AC_CHECK_FUNC(mprotect,
   263         AC_TRY_COMPILE([
   264           #include <sys/types.h>
   265           #include <sys/mman.h>
   266         ],[
   267         ],[
   268         AC_DEFINE(HAVE_MPROTECT, 1, [ ])
   269         ]),
   270     )
   271     AC_CHECK_FUNCS(malloc calloc realloc free getenv setenv putenv unsetenv qsort abs bcopy memset memcpy memmove strlen strlcpy strlcat strdup _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp vsscanf vsnprintf fseeko fseeko64 sigaction setjmp nanosleep sysconf sysctlbyname)
   272 
   273     AC_CHECK_LIB(m, pow, [LIBS="$LIBS -lm"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm"])
   274     AC_CHECK_FUNCS(atan atan2 acos asin ceil copysign cos cosf fabs floor log pow scalbn sin sinf sqrt sqrtf tan tanf)
   275 
   276     AC_CHECK_LIB(iconv, iconv_open, [LIBS="$LIBS -liconv"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -liconv"])
   277     AC_CHECK_FUNCS(iconv)
   278 
   279     AC_CHECK_MEMBER(struct sigaction.sa_sigaction,[AC_DEFINE(HAVE_SA_SIGACTION)], ,[#include <signal.h>])
   280 fi
   281 
   282 dnl AC_CHECK_SIZEOF(void*)
   283 
   284 dnl See whether we can use gcc atomic operations on this architecture
   285 AC_ARG_ENABLE(gcc-atomics,
   286 AC_HELP_STRING([--enable-gcc-atomics],
   287                [Use gcc builtin atomics [[default=yes]]]),
   288               , enable_gcc_atomics=yes)
   289 if test x$enable_gcc_atomics = xyes; then
   290     have_gcc_atomics=no
   291     AC_MSG_CHECKING(for GCC builtin atomic operations)
   292     AC_TRY_LINK([
   293     ],[
   294     int a;
   295     void *x, *y, *z;
   296     __sync_lock_test_and_set(&a, 4);
   297     __sync_lock_test_and_set(&x, y);
   298     __sync_fetch_and_add(&a, 1);
   299     __sync_bool_compare_and_swap(&a, 5, 10);
   300     __sync_bool_compare_and_swap(&x, y, z);
   301     ],[
   302     have_gcc_atomics=yes
   303     ])
   304     AC_MSG_RESULT($have_gcc_atomics)
   305 
   306     if test x$have_gcc_atomics = xyes; then
   307         AC_DEFINE(HAVE_GCC_ATOMICS, 1, [ ])
   308     else
   309         # See if we have the minimum operation needed for GCC atomics
   310         AC_TRY_LINK([
   311         ],[
   312         int a;
   313         __sync_lock_test_and_set(&a, 1);
   314         __sync_lock_release(&a);
   315         ],[
   316         have_gcc_sync_lock_test_and_set=yes
   317         ])
   318         if test x$have_gcc_sync_lock_test_and_set = xyes; then
   319             AC_DEFINE(HAVE_GCC_SYNC_LOCK_TEST_AND_SET, 1, [ ])
   320         fi
   321     fi
   322 fi
   323 
   324 # Standard C sources
   325 SOURCES="$SOURCES $srcdir/src/*.c"
   326 SOURCES="$SOURCES $srcdir/src/atomic/*.c"
   327 SOURCES="$SOURCES $srcdir/src/audio/*.c"
   328 SOURCES="$SOURCES $srcdir/src/cpuinfo/*.c"
   329 SOURCES="$SOURCES $srcdir/src/dynapi/*.c"
   330 SOURCES="$SOURCES $srcdir/src/events/*.c"
   331 SOURCES="$SOURCES $srcdir/src/file/*.c"
   332 SOURCES="$SOURCES $srcdir/src/haptic/*.c"
   333 SOURCES="$SOURCES $srcdir/src/joystick/*.c"
   334 SOURCES="$SOURCES $srcdir/src/libm/*.c"
   335 SOURCES="$SOURCES $srcdir/src/power/*.c"
   336 #SOURCES="$SOURCES $srcdir/src/filesystem/*.c"
   337 SOURCES="$SOURCES $srcdir/src/render/*.c"
   338 SOURCES="$SOURCES $srcdir/src/render/*/*.c"
   339 SOURCES="$SOURCES $srcdir/src/stdlib/*.c"
   340 SOURCES="$SOURCES $srcdir/src/thread/*.c"
   341 SOURCES="$SOURCES $srcdir/src/timer/*.c"
   342 SOURCES="$SOURCES $srcdir/src/video/*.c"
   343 
   344 dnl Enable/disable various subsystems of the SDL library
   345 
   346 AC_ARG_ENABLE(atomic,
   347 AC_HELP_STRING([--enable-atomic], [Enable the atomic operations subsystem [[default=yes]]]),
   348               , enable_atomic=yes)
   349 if test x$enable_atomic != xyes; then
   350     AC_DEFINE(SDL_ATOMIC_DISABLED, 1, [ ])
   351 else
   352     SUMMARY_modules="${SUMMARY_modules} atomic"
   353 fi
   354 AC_ARG_ENABLE(audio,
   355 AC_HELP_STRING([--enable-audio], [Enable the audio subsystem [[default=yes]]]),
   356               , enable_audio=yes)
   357 if test x$enable_audio != xyes; then
   358     AC_DEFINE(SDL_AUDIO_DISABLED, 1, [ ])
   359 else
   360     SUMMARY_modules="${SUMMARY_modules} audio"
   361 fi
   362 AC_ARG_ENABLE(video,
   363 AC_HELP_STRING([--enable-video], [Enable the video subsystem [[default=yes]]]),
   364               , enable_video=yes)
   365 if test x$enable_video != xyes; then
   366     AC_DEFINE(SDL_VIDEO_DISABLED, 1, [ ])
   367 else
   368     SUMMARY_modules="${SUMMARY_modules} video"
   369 fi
   370 AC_ARG_ENABLE(render,
   371 AC_HELP_STRING([--enable-render], [Enable the render subsystem [[default=yes]]]),
   372               , enable_render=yes)
   373 if test x$enable_render != xyes; then
   374     AC_DEFINE(SDL_RENDER_DISABLED, 1, [ ])
   375 else
   376     SUMMARY_modules="${SUMMARY_modules} render"
   377 fi
   378 AC_ARG_ENABLE(events,
   379 AC_HELP_STRING([--enable-events], [Enable the events subsystem [[default=yes]]]),
   380               , enable_events=yes)
   381 if test x$enable_events != xyes; then
   382     AC_DEFINE(SDL_EVENTS_DISABLED, 1, [ ])
   383 else
   384     SUMMARY_modules="${SUMMARY_modules} events"
   385 fi
   386 AC_ARG_ENABLE(joystick,
   387 AC_HELP_STRING([--enable-joystick], [Enable the joystick subsystem [[default=yes]]]),
   388               , enable_joystick=yes)
   389 if test x$enable_joystick != xyes; then
   390     AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
   391 else
   392     SUMMARY_modules="${SUMMARY_modules} joystick"
   393 fi
   394 AC_ARG_ENABLE(haptic,
   395 AC_HELP_STRING([--enable-haptic], [Enable the haptic (force feedback) subsystem [[default=yes]]]),
   396               , enable_haptic=yes)
   397 if test x$enable_haptic != xyes; then
   398     AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
   399 else
   400     SUMMARY_modules="${SUMMARY_modules} haptic"
   401 fi
   402 AC_ARG_ENABLE(power,
   403 AC_HELP_STRING([--enable-power], [Enable the power subsystem [[default=yes]]]),
   404               , enable_power=yes)
   405 if test x$enable_power != xyes; then
   406     AC_DEFINE(SDL_POWER_DISABLED, 1, [ ])
   407 else
   408     SUMMARY_modules="${SUMMARY_modules} power"
   409 fi
   410 AC_ARG_ENABLE(filesystem,
   411 AC_HELP_STRING([--enable-filesystem], [Enable the filesystem subsystem [[default=yes]]]),
   412               , enable_filesystem=yes)
   413 if test x$enable_filesystem != xyes; then
   414     AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
   415 else
   416     SUMMARY_modules="${SUMMARY_modules} filesystem"
   417 fi
   418 AC_ARG_ENABLE(threads,
   419 AC_HELP_STRING([--enable-threads], [Enable the threading subsystem [[default=yes]]]),
   420               , enable_threads=yes)
   421 if test x$enable_threads != xyes; then
   422     AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
   423 else
   424     SUMMARY_modules="${SUMMARY_modules} threads"
   425 fi
   426 AC_ARG_ENABLE(timers,
   427 AC_HELP_STRING([--enable-timers], [Enable the timer subsystem [[default=yes]]]),
   428               , enable_timers=yes)
   429 if test x$enable_timers != xyes; then
   430     AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
   431 else
   432     SUMMARY_modules="${SUMMARY_modules} timers"
   433 fi
   434 AC_ARG_ENABLE(file,
   435 AC_HELP_STRING([--enable-file], [Enable the file subsystem [[default=yes]]]),
   436               , enable_file=yes)
   437 if test x$enable_file != xyes; then
   438     AC_DEFINE(SDL_FILE_DISABLED, 1, [ ])
   439 else
   440     SUMMARY_modules="${SUMMARY_modules} file"
   441 fi
   442 AC_ARG_ENABLE(loadso,
   443 AC_HELP_STRING([--enable-loadso], [Enable the shared object loading subsystem [[default=yes]]]),
   444               , enable_loadso=yes)
   445 if test x$enable_loadso != xyes; then
   446     AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
   447 else
   448     SUMMARY_modules="${SUMMARY_modules} loadso"
   449 fi
   450 AC_ARG_ENABLE(cpuinfo,
   451 AC_HELP_STRING([--enable-cpuinfo], [Enable the cpuinfo subsystem [[default=yes]]]),
   452               , enable_cpuinfo=yes)
   453 if test x$enable_cpuinfo != xyes; then
   454     AC_DEFINE(SDL_CPUINFO_DISABLED, 1, [ ])
   455 else
   456     SUMMARY_modules="${SUMMARY_modules} cpuinfo"
   457 fi
   458 AC_ARG_ENABLE(assembly,
   459 AC_HELP_STRING([--enable-assembly], [Enable assembly routines [[default=yes]]]),
   460               , enable_assembly=yes)
   461 if test x$enable_assembly = xyes; then
   462     SUMMARY_modules="${SUMMARY_modules} assembly"
   463 
   464     AC_DEFINE(SDL_ASSEMBLY_ROUTINES, 1, [ ])
   465 
   466     # Make sure that we don't generate floating point code that would
   467     # cause illegal instruction exceptions on older processors
   468     case "$host" in
   469         *-*-darwin*)
   470             # Don't need to worry about Apple hardware, it's all SSE capable
   471             default_ssemath=yes
   472             ;;
   473         *64-*-*)
   474             # x86 64-bit architectures all have SSE instructions
   475             default_ssemath=yes
   476             ;;
   477         *)
   478             default_ssemath=no
   479             ;;
   480     esac
   481     AC_ARG_ENABLE(ssemath,
   482 AC_HELP_STRING([--enable-ssemath], [Allow GCC to use SSE floating point math [[default=no]]]),
   483                   , enable_ssemath=$default_ssemath)
   484     if test x$enable_ssemath = xno; then
   485         if test x$have_gcc_sse = xyes -o x$have_gcc_sse2 = xyes; then
   486             EXTRA_CFLAGS="$EXTRA_CFLAGS -mfpmath=387"
   487         fi
   488     fi
   489 
   490     dnl Check for various instruction support
   491     AC_ARG_ENABLE(mmx,
   492 AC_HELP_STRING([--enable-mmx], [use MMX assembly routines [[default=yes]]]),
   493                   , enable_mmx=yes)
   494     if test x$enable_mmx = xyes; then
   495         save_CFLAGS="$CFLAGS"
   496         have_gcc_mmx=no
   497         AC_MSG_CHECKING(for GCC -mmmx option)
   498         mmx_CFLAGS="-mmmx"
   499         CFLAGS="$save_CFLAGS $mmx_CFLAGS"
   500 
   501         AC_TRY_COMPILE([
   502         #ifdef __MINGW32__
   503         #include <_mingw.h>
   504         #ifdef __MINGW64_VERSION_MAJOR
   505         #include <intrin.h>
   506         #else
   507         #include <mmintrin.h>
   508         #endif
   509         #else
   510         #include <mmintrin.h>
   511         #endif
   512         #ifndef __MMX__
   513         #error Assembler CPP flag not enabled
   514         #endif
   515         ],[
   516         ],[
   517         have_gcc_mmx=yes
   518         ])
   519         AC_MSG_RESULT($have_gcc_mmx)
   520         CFLAGS="$save_CFLAGS"
   521 
   522         if test x$have_gcc_mmx = xyes; then
   523             EXTRA_CFLAGS="$EXTRA_CFLAGS $mmx_CFLAGS"
   524             SUMMARY_math="${SUMMARY_math} mmx"
   525         fi
   526     fi
   527 
   528     AC_ARG_ENABLE(3dnow,
   529 AC_HELP_STRING([--enable-3dnow], [use 3DNow! assembly routines [[default=yes]]]),
   530                   , enable_3dnow=yes)
   531     if test x$enable_3dnow = xyes; then
   532         save_CFLAGS="$CFLAGS"
   533         have_gcc_3dnow=no
   534         AC_MSG_CHECKING(for GCC -m3dnow option)
   535         amd3dnow_CFLAGS="-m3dnow"
   536         CFLAGS="$save_CFLAGS $amd3dnow_CFLAGS"
   537 
   538         AC_TRY_LINK([
   539         #include <mm3dnow.h>
   540         #ifndef __3dNOW__
   541         #error Assembler CPP flag not enabled
   542         #endif
   543         ],[
   544         void *p = 0;
   545         _m_prefetch(p);
   546         ],[
   547         have_gcc_3dnow=yes
   548         ])
   549         AC_MSG_RESULT($have_gcc_3dnow)
   550         CFLAGS="$save_CFLAGS"
   551 
   552         if test x$have_gcc_3dnow = xyes; then
   553             EXTRA_CFLAGS="$EXTRA_CFLAGS $amd3dnow_CFLAGS"
   554             SUMMARY_math="${SUMMARY_math} 3dnow"
   555         fi
   556     fi
   557 
   558     AC_ARG_ENABLE(sse,
   559 AC_HELP_STRING([--enable-sse], [use SSE assembly routines [[default=yes]]]),
   560                   , enable_sse=yes)
   561     if test x$enable_sse = xyes; then
   562         save_CFLAGS="$CFLAGS"
   563         have_gcc_sse=no
   564         AC_MSG_CHECKING(for GCC -msse option)
   565         sse_CFLAGS="-msse"
   566         CFLAGS="$save_CFLAGS $sse_CFLAGS"
   567 
   568         AC_TRY_COMPILE([
   569         #ifdef __MINGW32__
   570         #include <_mingw.h>
   571         #ifdef __MINGW64_VERSION_MAJOR
   572         #include <intrin.h>
   573         #else
   574         #include <xmmintrin.h>
   575         #endif
   576         #else
   577         #include <xmmintrin.h>
   578         #endif
   579         #ifndef __SSE__
   580         #error Assembler CPP flag not enabled
   581         #endif
   582         ],[
   583         ],[
   584         have_gcc_sse=yes
   585         ])
   586         AC_MSG_RESULT($have_gcc_sse)
   587         CFLAGS="$save_CFLAGS"
   588 
   589         if test x$have_gcc_sse = xyes; then
   590             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse_CFLAGS"
   591             SUMMARY_math="${SUMMARY_math} sse"
   592         fi
   593     fi
   594 
   595     AC_ARG_ENABLE(sse2,
   596 AC_HELP_STRING([--enable-sse2], [use SSE2 assembly routines [[default=no]]]),
   597                   , enable_sse2=$default_ssemath)
   598     if test x$enable_sse2 = xyes; then
   599         save_CFLAGS="$CFLAGS"
   600         have_gcc_sse2=no
   601         AC_MSG_CHECKING(for GCC -msse2 option)
   602         sse2_CFLAGS="-msse2"
   603         CFLAGS="$save_CFLAGS $sse2_CFLAGS"
   604 
   605         AC_TRY_COMPILE([
   606         #ifdef __MINGW32__
   607         #include <_mingw.h>
   608         #ifdef __MINGW64_VERSION_MAJOR
   609         #include <intrin.h>
   610         #else
   611         #include <emmintrin.h>
   612         #endif
   613         #else
   614         #include <emmintrin.h>
   615         #endif
   616         #ifndef __SSE2__
   617         #error Assembler CPP flag not enabled
   618         #endif
   619         ],[
   620         ],[
   621         have_gcc_sse2=yes
   622         ])
   623         AC_MSG_RESULT($have_gcc_sse2)
   624         CFLAGS="$save_CFLAGS"
   625 
   626         if test x$have_gcc_sse2 = xyes; then
   627             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse2_CFLAGS"
   628             SUMMARY_math="${SUMMARY_math} sse2"
   629         fi
   630     fi
   631 
   632     AC_ARG_ENABLE(altivec,
   633 AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]]]),
   634                   , enable_altivec=yes)
   635     if test x$enable_altivec = xyes; then
   636         save_CFLAGS="$CFLAGS"
   637         have_gcc_altivec=no
   638         have_altivec_h_hdr=no
   639         altivec_CFLAGS="-maltivec"
   640         CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   641 
   642         AC_MSG_CHECKING(for Altivec with GCC altivec.h and -maltivec option)
   643         AC_TRY_COMPILE([
   644         #include <altivec.h>
   645         vector unsigned int vzero() {
   646             return vec_splat_u32(0);
   647         }
   648         ],[
   649         ],[
   650         have_gcc_altivec=yes
   651         have_altivec_h_hdr=yes
   652         ])
   653         AC_MSG_RESULT($have_gcc_altivec)
   654 
   655         if test x$have_gcc_altivec = xno; then
   656             AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
   657             AC_TRY_COMPILE([
   658             vector unsigned int vzero() {
   659                 return vec_splat_u32(0);
   660             }
   661             ],[
   662             ],[
   663             have_gcc_altivec=yes
   664             ])
   665             AC_MSG_RESULT($have_gcc_altivec)
   666         fi
   667 
   668         if test x$have_gcc_altivec = xno; then
   669             AC_MSG_CHECKING(for Altivec with GCC altivec.h and -faltivec option)
   670             altivec_CFLAGS="-faltivec"
   671             CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   672             AC_TRY_COMPILE([
   673             #include <altivec.h>
   674             vector unsigned int vzero() {
   675                 return vec_splat_u32(0);
   676             }
   677             ],[
   678             ],[
   679             have_gcc_altivec=yes
   680             have_altivec_h_hdr=yes
   681             ])
   682             AC_MSG_RESULT($have_gcc_altivec)
   683         fi
   684 
   685         if test x$have_gcc_altivec = xno; then
   686             AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
   687             AC_TRY_COMPILE([
   688             vector unsigned int vzero() {
   689                 return vec_splat_u32(0);
   690             }
   691             ],[
   692             ],[
   693             have_gcc_altivec=yes
   694             ])
   695             AC_MSG_RESULT($have_gcc_altivec)
   696         fi
   697         CFLAGS="$save_CFLAGS"
   698 
   699         if test x$have_gcc_altivec = xyes; then
   700             AC_DEFINE(SDL_ALTIVEC_BLITTERS, 1, [ ])
   701             if test x$have_altivec_h_hdr = xyes; then
   702               AC_DEFINE(HAVE_ALTIVEC_H, 1, [ ])
   703             fi
   704             EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
   705             SUMMARY_math="${SUMMARY_math} altivec"
   706         fi
   707     fi
   708 fi
   709 
   710 dnl See if the OSS audio interface is supported
   711 CheckOSS()
   712 {
   713     AC_ARG_ENABLE(oss,
   714 AC_HELP_STRING([--enable-oss], [support the OSS audio API [[default=maybe]]]),
   715                   , enable_oss=maybe)
   716 
   717     # OpenBSD "has" OSS, but it's not really for app use. They want you to
   718     #  use sndio instead. So on there, we default to disabled. You can force
   719     #  it on if you really want, though.
   720     if test x$enable_oss = xmaybe; then
   721         enable_oss=yes
   722         case "$host" in
   723             *-*-openbsd*)
   724                 enable_oss=no;;
   725         esac
   726     fi
   727 
   728     if test x$enable_audio = xyes -a x$enable_oss = xyes; then
   729         AC_MSG_CHECKING(for OSS audio support)
   730         have_oss=no
   731         if test x$have_oss != xyes; then
   732             AC_TRY_COMPILE([
   733               #include <sys/soundcard.h>
   734             ],[
   735               int arg = SNDCTL_DSP_SETFRAGMENT;
   736             ],[
   737             have_oss=yes
   738             ])
   739         fi
   740         if test x$have_oss != xyes; then
   741             AC_TRY_COMPILE([
   742               #include <soundcard.h>
   743             ],[
   744               int arg = SNDCTL_DSP_SETFRAGMENT;
   745             ],[
   746             have_oss=yes
   747             AC_DEFINE(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H, 1, [ ])
   748             ])
   749         fi
   750         AC_MSG_RESULT($have_oss)
   751         if test x$have_oss = xyes; then
   752             SUMMARY_audio="${SUMMARY_audio} oss"
   753             AC_DEFINE(SDL_AUDIO_DRIVER_OSS, 1, [ ])
   754             SOURCES="$SOURCES $srcdir/src/audio/dsp/*.c"
   755             have_audio=yes
   756 
   757             # We may need to link with ossaudio emulation library
   758             case "$host" in
   759                 *-*-openbsd*|*-*-netbsd*)
   760                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lossaudio";;
   761             esac
   762         fi
   763     fi
   764 }
   765 
   766 dnl See if the ALSA audio interface is supported
   767 CheckALSA()
   768 {
   769     AC_ARG_ENABLE(alsa,
   770 AC_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),
   771                   , enable_alsa=yes)
   772     if test x$enable_audio = xyes -a x$enable_alsa = xyes; then
   773         AM_PATH_ALSA(0.9.0, have_alsa=yes, have_alsa=no)
   774         # Restore all flags from before the ALSA detection runs
   775         CFLAGS="$alsa_save_CFLAGS"
   776         LDFLAGS="$alsa_save_LDFLAGS"
   777         LIBS="$alsa_save_LIBS"
   778         if test x$have_alsa = xyes; then
   779             AC_ARG_ENABLE(alsa-shared,
   780 AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
   781                           , enable_alsa_shared=yes)
   782             alsa_lib=[`find_lib "libasound.so.*" "$ALSA_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   783 
   784             AC_DEFINE(SDL_AUDIO_DRIVER_ALSA, 1, [ ])
   785             SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c"
   786             EXTRA_CFLAGS="$EXTRA_CFLAGS $ALSA_CFLAGS"
   787             if test x$have_loadso != xyes && \
   788                test x$enable_alsa_shared = xyes; then
   789                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading])
   790             fi
   791             if test x$have_loadso = xyes && \
   792                test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then
   793                 echo "-- dynamic libasound -> $alsa_lib"
   794                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ALSA_DYNAMIC, "$alsa_lib", [ ])
   795                 SUMMARY_audio="${SUMMARY_audio} alsa(dynamic)"
   796             else
   797                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ALSA_LIBS"
   798                 SUMMARY_audio="${SUMMARY_audio} alsa"
   799             fi
   800             have_audio=yes
   801         fi
   802     fi
   803 }
   804 
   805 dnl Find the ESD includes and libraries
   806 CheckESD()
   807 {
   808     AC_ARG_ENABLE(esd,
   809 AC_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),
   810                   , enable_esd=yes)
   811     if test x$enable_audio = xyes -a x$enable_esd = xyes; then
   812         AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no)
   813         if test x$have_esd = xyes; then
   814             AC_ARG_ENABLE(esd-shared,
   815 AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
   816                           , enable_esd_shared=yes)
   817             esd_lib=[`find_lib "libesd.so.*" "$ESD_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   818 
   819             AC_DEFINE(SDL_AUDIO_DRIVER_ESD, 1, [ ])
   820             SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"
   821             EXTRA_CFLAGS="$EXTRA_CFLAGS $ESD_CFLAGS"
   822             if test x$have_loadso != xyes && \
   823                test x$enable_esd_shared = xyes; then
   824                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading])
   825             fi
   826             if test x$have_loadso = xyes && \
   827                test x$enable_esd_shared = xyes && test x$esd_lib != x; then
   828                 echo "-- dynamic libesd -> $esd_lib"
   829                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib", [ ])
   830                 SUMMARY_audio="${SUMMARY_audio} esd(dynamic)"
   831             else
   832                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ESD_LIBS"
   833                 SUMMARY_audio="${SUMMARY_audio} esd"
   834             fi
   835             have_audio=yes
   836         fi
   837     fi
   838 }
   839 
   840 dnl Find PulseAudio
   841 CheckPulseAudio()
   842 {
   843     AC_ARG_ENABLE(pulseaudio,
   844 AC_HELP_STRING([--enable-pulseaudio], [use PulseAudio [[default=yes]]]),
   845                   , enable_pulseaudio=yes)
   846     if test x$enable_audio = xyes -a x$enable_pulseaudio = xyes; then
   847         audio_pulseaudio=no
   848 
   849         PULSEAUDIO_REQUIRED_VERSION=0.9
   850 
   851         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
   852         AC_MSG_CHECKING(for PulseAudio $PULSEAUDIO_REQUIRED_VERSION support)
   853         if test x$PKG_CONFIG != xno; then
   854         if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $PULSEAUDIO_REQUIRED_VERSION libpulse-simple; then
   855                 PULSEAUDIO_CFLAGS=`$PKG_CONFIG --cflags libpulse-simple`
   856                 PULSEAUDIO_LIBS=`$PKG_CONFIG --libs libpulse-simple`
   857                 audio_pulseaudio=yes
   858             fi
   859         fi
   860         AC_MSG_RESULT($audio_pulseaudio)
   861 
   862         if test x$audio_pulseaudio = xyes; then
   863             AC_ARG_ENABLE(pulseaudio-shared,
   864 AC_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [[default=yes]]]),
   865                           , enable_pulseaudio_shared=yes)
   866             pulseaudio_lib=[`find_lib "libpulse-simple.so.*" "$PULSEAUDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   867 
   868             AC_DEFINE(SDL_AUDIO_DRIVER_PULSEAUDIO, 1, [ ])
   869             SOURCES="$SOURCES $srcdir/src/audio/pulseaudio/*.c"
   870             EXTRA_CFLAGS="$EXTRA_CFLAGS $PULSEAUDIO_CFLAGS"
   871             if test x$have_loadso != xyes && \
   872                test x$enable_pulseaudio_shared = xyes; then
   873                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic PulseAudio loading])
   874             fi
   875             if test x$have_loadso = xyes && \
   876                test x$enable_pulseaudio_shared = xyes && test x$pulseaudio_lib != x; then
   877                 echo "-- dynamic libpulse-simple -> $pulseaudio_lib"
   878                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC, "$pulseaudio_lib", [ ])
   879                 SUMMARY_audio="${SUMMARY_audio} pulse(dynamic)"
   880 
   881                 case "$host" in
   882                     # On Solaris, pulseaudio must be linked deferred explicitly
   883                     # to prevent undefined symbol failures.
   884                     *-*-solaris*)
   885                         PULSEAUDIO_LIBS=`echo $PULSEAUDIO_LIBS | sed 's/\-l/-Wl,-l/g'`
   886                         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-zdeferred $PULSEAUDIO_LIBS -Wl,-znodeferred"
   887                 esac
   888             else
   889                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $PULSEAUDIO_LIBS"
   890                 SUMMARY_audio="${SUMMARY_audio} pulse"
   891             fi
   892             have_audio=yes
   893         fi
   894     fi
   895 }
   896 
   897 CheckARTSC()
   898 {
   899     AC_ARG_ENABLE(arts,
   900 AC_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),
   901                   , enable_arts=yes)
   902     if test x$enable_audio = xyes -a x$enable_arts = xyes; then
   903         AC_PATH_PROG(ARTSCONFIG, artsc-config)
   904         if test x$ARTSCONFIG = x -o x$ARTSCONFIG = x'"$ARTSCONFIG"'; then
   905             : # arts isn't installed
   906         else
   907             ARTS_CFLAGS=`$ARTSCONFIG --cflags`
   908             ARTS_LIBS=`$ARTSCONFIG --libs`
   909             AC_MSG_CHECKING(for aRts development environment)
   910             audio_arts=no
   911             save_CFLAGS="$CFLAGS"
   912             CFLAGS="$CFLAGS $ARTS_CFLAGS"
   913             AC_TRY_COMPILE([
   914              #include <artsc.h>
   915             ],[
   916              arts_stream_t stream;
   917             ],[
   918             audio_arts=yes
   919             ])
   920             CFLAGS="$save_CFLAGS"
   921             AC_MSG_RESULT($audio_arts)
   922             if test x$audio_arts = xyes; then
   923                 AC_ARG_ENABLE(arts-shared,
   924 AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
   925                               , enable_arts_shared=yes)
   926                 arts_lib=[`find_lib "libartsc.so.*" "$ARTS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   927 
   928                 AC_DEFINE(SDL_AUDIO_DRIVER_ARTS, 1, [ ])
   929                 SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"
   930                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ARTS_CFLAGS"
   931                 if test x$have_loadso != xyes && \
   932                    test x$enable_arts_shared = xyes; then
   933                     AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading])
   934                 fi
   935                 if test x$have_loadso = xyes && \
   936                    test x$enable_arts_shared = xyes && test x$arts_lib != x; then
   937                     echo "-- dynamic libartsc -> $arts_lib"
   938                     AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib", [ ])
   939                     SUMMARY_audio="${SUMMARY_audio} arts(dynamic)"
   940                 else
   941                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARTS_LIBS"
   942                     SUMMARY_audio="${SUMMARY_audio} arts"
   943                 fi
   944                 have_audio=yes
   945             fi
   946         fi
   947     fi
   948 }
   949 
   950 dnl See if the NAS audio interface is supported
   951 CheckNAS()
   952 {
   953     AC_ARG_ENABLE(nas,
   954 AC_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),
   955                   , enable_nas=yes)
   956     if test x$enable_audio = xyes -a x$enable_nas = xyes; then
   957         AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes)
   958         AC_CHECK_LIB(audio, AuOpenServer, have_nas_lib=yes)
   959 
   960         AC_MSG_CHECKING(for NAS audio support)
   961         have_nas=no
   962 
   963         if test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then
   964             have_nas=yes
   965             NAS_LIBS="-laudio"
   966 
   967         elif test -r /usr/X11R6/include/audio/audiolib.h; then
   968             have_nas=yes
   969             NAS_CFLAGS="-I/usr/X11R6/include/"
   970             NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"
   971 
   972         fi
   973 
   974         AC_MSG_RESULT($have_nas)
   975 
   976         if test x$have_nas = xyes; then
   977             AC_ARG_ENABLE(nas-shared,
   978 AC_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [[default=yes]]]),
   979                           , enable_nas_shared=yes)
   980             nas_lib=[`find_lib "libaudio.so.*" "$NAS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   981 
   982             if test x$have_loadso != xyes && \
   983                test x$enable_nas_shared = xyes; then
   984                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic NAS loading])
   985             fi
   986             if test x$have_loadso = xyes && \
   987                test x$enable_nas_shared = xyes && test x$nas_lib != x; then
   988                 echo "-- dynamic libaudio -> $nas_lib"
   989                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_NAS_DYNAMIC, "$nas_lib", [ ])
   990                 SUMMARY_audio="${SUMMARY_audio} nas(dynamic)"
   991             else
   992                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS"
   993                 SUMMARY_audio="${SUMMARY_audio} nas"
   994             fi
   995 
   996             AC_DEFINE(SDL_AUDIO_DRIVER_NAS, 1, [ ])
   997             SOURCES="$SOURCES $srcdir/src/audio/nas/*.c"
   998             EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS"
   999             have_audio=yes
  1000         fi
  1001     fi
  1002 }
  1003 
  1004 dnl See if the sndio audio interface is supported
  1005 CheckSNDIO()
  1006 {
  1007     AC_ARG_ENABLE(sndio,
  1008 AC_HELP_STRING([--enable-sndio], [support the sndio audio API [[default=yes]]]),
  1009                   , enable_sndio=yes)
  1010     if test x$enable_audio = xyes -a x$enable_sndio = xyes; then
  1011         AC_CHECK_HEADER(sndio.h, have_sndio_hdr=yes)
  1012         AC_CHECK_LIB(sndio, sio_open, have_sndio_lib=yes)
  1013 
  1014         AC_MSG_CHECKING(for sndio audio support)
  1015         have_sndio=no
  1016 
  1017         if test x$have_sndio_hdr = xyes -a x$have_sndio_lib = xyes; then
  1018             have_sndio=yes
  1019             SNDIO_LIBS="-lsndio"
  1020         fi
  1021 
  1022         AC_MSG_RESULT($have_sndio)
  1023 
  1024         if test x$have_sndio = xyes; then
  1025             AC_ARG_ENABLE(sndio-shared,
  1026 AC_HELP_STRING([--enable-sndio-shared], [dynamically load sndio audio support [[default=yes]]]),
  1027                           , enable_sndio_shared=yes)
  1028             sndio_lib=[`find_lib "libsndio.so.*" "$SNDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1029 
  1030             if test x$have_loadso != xyes && \
  1031                test x$enable_sndio_shared = xyes; then
  1032                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic sndio loading])
  1033             fi
  1034             if test x$have_loadso = xyes && \
  1035                test x$enable_sndio_shared = xyes && test x$sndio_lib != x; then
  1036                 echo "-- dynamic libsndio -> $sndio_lib"
  1037                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_SNDIO_DYNAMIC, "$sndio_lib", [ ])
  1038                 SUMMARY_audio="${SUMMARY_audio} sndio(dynamic)"
  1039             else
  1040                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $SNDIO_LIBS"
  1041                 SUMMARY_audio="${SUMMARY_audio} sndio"
  1042             fi
  1043 
  1044             AC_DEFINE(SDL_AUDIO_DRIVER_SNDIO, 1, [ ])
  1045             SOURCES="$SOURCES $srcdir/src/audio/sndio/*.c"
  1046             EXTRA_CFLAGS="$EXTRA_CFLAGS $SNDIO_CFLAGS"
  1047             have_audio=yes
  1048         fi
  1049     fi
  1050 }
  1051 
  1052 dnl rcg07142001 See if the user wants the disk writer audio driver...
  1053 CheckDiskAudio()
  1054 {
  1055     AC_ARG_ENABLE(diskaudio,
  1056 AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
  1057                   , enable_diskaudio=yes)
  1058     if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then
  1059         AC_DEFINE(SDL_AUDIO_DRIVER_DISK, 1, [ ])
  1060         SOURCES="$SOURCES $srcdir/src/audio/disk/*.c"
  1061         SUMMARY_audio="${SUMMARY_audio} disk"
  1062     fi
  1063 }
  1064 
  1065 dnl rcg03142006 See if the user wants the dummy audio driver...
  1066 CheckDummyAudio()
  1067 {
  1068     AC_ARG_ENABLE(dummyaudio,
  1069 AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
  1070                   , enable_dummyaudio=yes)
  1071     if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then
  1072         AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY, 1, [ ])
  1073         SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c"
  1074         SUMMARY_audio="${SUMMARY_audio} dummy"
  1075     fi
  1076 }
  1077 
  1078 dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).
  1079 dnl  Details of this flag are here: http://gcc.gnu.org/wiki/Visibility
  1080 CheckVisibilityHidden()
  1081 {
  1082     AC_MSG_CHECKING(for GCC -fvisibility=hidden option)
  1083     have_gcc_fvisibility=no
  1084 
  1085     visibility_CFLAGS="-fvisibility=hidden"
  1086     save_CFLAGS="$CFLAGS"
  1087     CFLAGS="$save_CFLAGS $visibility_CFLAGS -Werror"
  1088     AC_TRY_COMPILE([
  1089     #if !defined(__GNUC__) || __GNUC__ < 4
  1090     #error SDL only uses visibility attributes in GCC 4 or newer
  1091     #endif
  1092     ],[
  1093     ],[
  1094     have_gcc_fvisibility=yes
  1095     ])
  1096     AC_MSG_RESULT($have_gcc_fvisibility)
  1097     CFLAGS="$save_CFLAGS"
  1098 
  1099     if test x$have_gcc_fvisibility = xyes; then
  1100         EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"
  1101     fi
  1102 }
  1103 
  1104 dnl See if GCC's -mpreferred-stack-boundary is supported.
  1105 dnl  Reference: http://bugzilla.libsdl.org/show_bug.cgi?id=1296
  1106 CheckStackBoundary()
  1107 {
  1108     AC_MSG_CHECKING(for GCC -mpreferred-stack-boundary option)
  1109     have_gcc_preferred_stack_boundary=no
  1110 
  1111     save_CFLAGS="$CFLAGS"
  1112     CFLAGS="$save_CFLAGS -mpreferred-stack-boundary=2"
  1113     AC_TRY_COMPILE([
  1114     int x = 0;
  1115     ],[
  1116     ],[
  1117     have_gcc_preferred_stack_boundary=yes
  1118     ])
  1119     AC_MSG_RESULT($have_gcc_preferred_stack_boundary)
  1120     CFLAGS="$save_CFLAGS"
  1121 
  1122     if test x$have_gcc_preferred_stack_boundary = xyes; then
  1123         EXTRA_CFLAGS="$EXTRA_CFLAGS -mpreferred-stack-boundary=2"
  1124     fi
  1125 }
  1126 
  1127 dnl See if GCC's -Wall is supported.
  1128 CheckWarnAll()
  1129 {
  1130     AC_MSG_CHECKING(for GCC -Wall option)
  1131     have_gcc_Wall=no
  1132 
  1133     save_CFLAGS="$CFLAGS"
  1134     CFLAGS="$save_CFLAGS -Wall"
  1135     AC_TRY_COMPILE([
  1136     int x = 0;
  1137     ],[
  1138     ],[
  1139     have_gcc_Wall=yes
  1140     ])
  1141     AC_MSG_RESULT($have_gcc_Wall)
  1142     CFLAGS="$save_CFLAGS"
  1143 
  1144     if test x$have_gcc_Wall = xyes; then
  1145         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
  1146 
  1147         dnl Haiku headers use multicharacter constants all over the place. Ignore these warnings when using -Wall.
  1148         AC_MSG_CHECKING(for necessary GCC -Wno-multichar option)
  1149         need_gcc_Wno_multichar=no
  1150         case "$host" in
  1151             *-*-haiku*)
  1152                 need_gcc_Wno_multichar=yes
  1153                 ;;
  1154         esac
  1155         AC_MSG_RESULT($need_gcc_Wno_multichar)
  1156         if test x$need_gcc_Wno_multichar = xyes; then
  1157             EXTRA_CFLAGS="$EXTRA_CFLAGS -Wno-multichar"
  1158         fi
  1159     fi
  1160 }
  1161 
  1162 dnl See if GCC's -Wshadow is supported.
  1163 CheckWarnShadow()
  1164 {
  1165     AC_MSG_CHECKING(for GCC -Wshadow option)
  1166     have_gcc_Wshadow=no
  1167 
  1168     save_CFLAGS="$CFLAGS"
  1169     CFLAGS="$save_CFLAGS -Wshadow"
  1170     AC_TRY_COMPILE([
  1171     int x = 0;
  1172     ],[
  1173     ],[
  1174     have_gcc_Wshadow=yes
  1175     ])
  1176     AC_MSG_RESULT($have_gcc_Wshadow)
  1177     CFLAGS="$save_CFLAGS"
  1178 
  1179     if test x$have_gcc_Wshadow = xyes; then
  1180         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wshadow"
  1181     fi
  1182 }
  1183 
  1184 dnl Check for Wayland
  1185 CheckWayland()
  1186 {
  1187     AC_ARG_ENABLE(video-wayland,
  1188 AC_HELP_STRING([--enable-video-wayland], [use Wayland video driver [[default=yes]]]),
  1189                   ,enable_video_wayland=yes)
  1190 
  1191     AC_ARG_ENABLE(video-wayland-qt-touch,
  1192 AC_HELP_STRING([--enable-video-wayland-qt-touch], [QtWayland server support for Wayland video driver [[default=yes]]]),
  1193                   ,enable_video_wayland_qt_touch=yes)
  1194 
  1195     if test x$enable_video = xyes -a x$enable_video_wayland = xyes; then
  1196         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1197         AC_MSG_CHECKING(for Wayland support)
  1198         video_wayland=no
  1199         if  test x$PKG_CONFIG != xno && \
  1200             test x$video_opengl_egl = xyes && \
  1201             test x$video_opengles_v2 = xyes; then
  1202             if $PKG_CONFIG --exists wayland-client wayland-egl wayland-cursor egl xkbcommon ; then
  1203                 WAYLAND_CFLAGS=`$PKG_CONFIG --cflags wayland-client wayland-egl wayland-cursor xkbcommon`
  1204                 WAYLAND_LIBS=`$PKG_CONFIG --libs wayland-client wayland-egl wayland-cursor xkbcommon`
  1205                 video_wayland=yes
  1206             fi
  1207         fi
  1208         AC_MSG_RESULT($video_wayland)
  1209 
  1210         if test x$video_wayland = xyes; then
  1211             AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND, 1, [ ])
  1212             if test x$enable_video_wayland_qt_touch = xyes; then
  1213                 AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH, 1, [ ])
  1214             fi
  1215             SOURCES="$SOURCES $srcdir/src/video/wayland/*.c"
  1216             EXTRA_CFLAGS="$EXTRA_CFLAGS $WAYLAND_CFLAGS"
  1217             AC_ARG_ENABLE(wayland-shared,
  1218 AC_HELP_STRING([--enable-wayland-shared], [dynamically load Wayland support [[default=maybe]]]),
  1219                           , enable_wayland_shared=maybe)
  1220 
  1221             dnl FIXME: Do BSD and OS X need special cases?
  1222             case "$host" in
  1223                 *)
  1224                     wayland_client_lib=[`find_lib "libwayland-client.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1225                     wayland_egl_lib=[`find_lib "libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1226                     if test x$wayland_egl_lib = x; then
  1227                         dnl This works in Ubuntu 13.10, maybe others
  1228                         wayland_egl_lib=[`find_lib "mesa-egl/libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1229                     fi
  1230                     wayland_cursor_lib=[`find_lib "libwayland-cursor.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1231                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1232                     ;;
  1233             esac
  1234 
  1235             if test x$enable_wayland_shared = xmaybe; then
  1236                 enable_wayland_shared=yes
  1237             fi
  1238             if test x$have_loadso != xyes && \
  1239                test x$enable_wayland_shared = xyes; then
  1240                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Wayland loading])
  1241                 enable_wayland_shared=no
  1242             fi
  1243             if test x$have_loadso = xyes && \
  1244                test x$enable_wayland_shared = xyes && \
  1245                test x$wayland_client_lib != x && \
  1246                test x$wayland_egl_lib != x && \
  1247                test x$wayland_cursor_lib != x && \
  1248                test x$xkbcommon_lib != x; then
  1249                 echo "-- dynamic libwayland-client -> $wayland_client_lib"
  1250                 echo "-- dynamic libwayland-egl -> $wayland_egl_lib"
  1251                 echo "-- dynamic libwayland-cursor -> $wayland_cursor_lib"
  1252                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1253                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC, "$wayland_client_lib", [ ])
  1254                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_EGL, "$wayland_egl_lib", [ ])
  1255                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_CURSOR, "$wayland_cursor_lib", [ ])
  1256                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1257                 SUMMARY_video="${SUMMARY_video} wayland(dynamic)"
  1258             else
  1259                 enable_wayland_shared=no
  1260                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $WAYLAND_LIBS"
  1261                 SUMMARY_video="${SUMMARY_video} wayland"
  1262             fi
  1263             have_video=yes
  1264         fi
  1265     fi
  1266 }
  1267 
  1268 dnl Check for Mir
  1269 CheckMir()
  1270 {
  1271     AC_ARG_ENABLE(video-mir,
  1272 AC_HELP_STRING([--enable-video-mir], [use Mir video driver [[default=yes]]]),
  1273                   ,enable_video_mir=yes)
  1274 
  1275     if test x$enable_video = xyes -a x$enable_video_mir = xyes; then
  1276         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1277         AC_MSG_CHECKING(for Mir support)
  1278         video_mir=no
  1279         if test x$PKG_CONFIG != xno; then
  1280             if $PKG_CONFIG --exists mirclient egl xkbcommon ; then
  1281                 MIR_CFLAGS=`$PKG_CONFIG --cflags mirclient egl xkbcommon`
  1282                 MIR_LIBS=`$PKG_CONFIG --libs mirclient egl xkbcommon`
  1283                 save_CFLAGS="$CFLAGS"
  1284                 CFLAGS="$save_CFLAGS $MIR_CFLAGS"
  1285                 
  1286                 dnl This will disable Mir on Ubuntu < 14.04
  1287                 AC_TRY_COMPILE([
  1288                 #include <mir_toolkit/mir_client_library.h>
  1289                 ],[
  1290                     MirMotionToolType tool = mir_motion_tool_type_mouse;
  1291                 ],[
  1292                 video_mir=yes
  1293                 ])
  1294                 CFLAGS="$save_CFLAGS"
  1295             fi
  1296         fi
  1297         AC_MSG_RESULT($video_mir)
  1298 
  1299         if test x$video_mir = xyes; then
  1300             AC_DEFINE(SDL_VIDEO_DRIVER_MIR, 1, [ ])
  1301             SOURCES="$SOURCES $srcdir/src/video/mir/*.c"
  1302             EXTRA_CFLAGS="$EXTRA_CFLAGS $MIR_CFLAGS"
  1303             AC_ARG_ENABLE(mir-shared,
  1304 AC_HELP_STRING([--enable-mir-shared], [dynamically load Mir support [[default=maybe]]]),
  1305                           , enable_mir_shared=maybe)
  1306 
  1307             dnl FIXME: Do BSD and OS X need special cases?
  1308             case "$host" in
  1309                 *)
  1310                     mirclient_lib=[`find_lib "libmirclient.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1311                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1312                     ;;
  1313             esac
  1314 
  1315             if test x$enable_mir_shared = xmaybe; then
  1316                 enable_mir_shared=yes
  1317             fi
  1318             if test x$have_loadso != xyes && \
  1319                test x$enable_mir_shared = xyes; then
  1320                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Mir loading])
  1321                 enable_mir_shared=no
  1322             fi
  1323             if test x$have_loadso = xyes && \
  1324                test x$enable_mir_shared = xyes && \
  1325                test x$mirclient_lib != x && \
  1326                test x$xkbcommon_lib != x; then
  1327                 echo "-- dynamic libmirclient -> $mirclient_lib"
  1328                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1329                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC, "$mirclient_lib", [ ])
  1330                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1331                 SUMMARY_video="${SUMMARY_video} mir(dynamic)"
  1332             else
  1333                 enable_mir_shared=no
  1334                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MIR_LIBS"
  1335                 SUMMARY_video="${SUMMARY_video} mir"
  1336             fi
  1337             have_video=yes
  1338         fi
  1339     fi
  1340 }
  1341 
  1342 dnl Check for Native Client stuff
  1343 CheckNativeClient()
  1344 {
  1345         AC_TRY_COMPILE([
  1346           #if !defined(__native_client__)
  1347           #error "NO NACL"
  1348           #endif
  1349         ],[
  1350         ],[
  1351         AC_DEFINE(SDL_VIDEO_DRIVER_NACL)
  1352         AC_DEFINE(SDL_AUDIO_DRIVER_NACL)
  1353         AC_DEFINE(HAVE_POW, 1, [ ])
  1354         AC_DEFINE(HAVE_OPENGLES2, 1, [ ])
  1355         AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  1356         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  1357 
  1358         SDL_LIBS="-lppapi_simple -lppapi_gles2 $SDL_LIBS"
  1359 
  1360         SDLMAIN_SOURCES="$srcdir/src/main/nacl/*.c"
  1361         SOURCES="$SOURCES $srcdir/src/audio/nacl/*.c"
  1362         SUMMARY_audio="${SUMMARY_audio} nacl"
  1363         SOURCES="$SOURCES $srcdir/src/video/nacl/*.c"
  1364         SUMMARY_video="${SUMMARY_video} nacl opengles2"
  1365         ])
  1366 }
  1367 
  1368 
  1369 dnl Find the X11 include and library directories
  1370 CheckX11()
  1371 {
  1372 
  1373 
  1374     AC_ARG_ENABLE(video-x11,
  1375 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
  1376                   , enable_video_x11=yes)
  1377     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
  1378         case "$host" in
  1379             *-*-darwin*)
  1380                 # This isn't necessary for X11, but fixes GLX detection
  1381                 if test "x$x_includes" = xNONE && \
  1382                    test "x$x_libraries" = xNONE && \
  1383                    test -d /usr/X11R6/include && \
  1384                    test -d /usr/X11R6/lib; then
  1385                     x_includes="/usr/X11R6/include"
  1386                     x_libraries="/usr/X11R6/lib"
  1387                 fi
  1388                 ;;
  1389         esac
  1390         AC_PATH_X
  1391         AC_PATH_XTRA
  1392         if test x$have_x = xyes; then
  1393             AC_ARG_ENABLE(x11-shared,
  1394 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
  1395                           , enable_x11_shared=maybe)
  1396 
  1397             case "$host" in
  1398                 *-*-darwin*)
  1399                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
  1400                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
  1401                     xcursor_lib='/usr/X11R6/lib/libXcursor.1.dylib'
  1402                     xinerama_lib='/usr/X11R6/lib/libXinerama.1.dylib'
  1403                     xinput_lib='/usr/X11R6/lib/libXi.6.dylib'
  1404                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
  1405                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
  1406                     xss_lib='/usr/X11R6/lib/libXss.1.dylib'
  1407                     xvidmode_lib='/usr/X11R6/lib/libXxf86vm.1.dylib'
  1408                     ;;
  1409                 *-*-openbsd*)
  1410                     x11_lib='libX11.so'
  1411                     x11ext_lib='libXext.so'
  1412                     xcursor_lib='libXcursor.so'
  1413                     xinerama_lib='libXinerama.so'
  1414                     xinput_lib='libXi.so'
  1415                     xrandr_lib='libXrandr.so'
  1416                     xrender_lib='libXrender.so'
  1417                     xss_lib='libXss.so'
  1418                     xvidmode_lib='libXxf86vm.so'
  1419                     ;;
  1420                 *)
  1421                     x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1422                     x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1423                     xcursor_lib=[`find_lib "libXcursor.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1424                     xinerama_lib=[`find_lib "libXinerama.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1425                     xinput_lib=[`find_lib "libXi.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1426                     xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1427                     xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1428                     xss_lib=[`find_lib "libXss.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1429                     xvidmode_lib=[`find_lib "libXxf86vm.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1430                     ;;
  1431             esac
  1432 
  1433             if test x$ac_cv_func_shmat != xyes; then
  1434                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
  1435             fi
  1436             CFLAGS="$CFLAGS $X_CFLAGS"
  1437             LDFLAGS="$LDFLAGS $X_LIBS"
  1438 
  1439             AC_CHECK_HEADER(X11/extensions/Xext.h,
  1440                             have_xext_h_hdr=yes,
  1441                             have_xext_h_hdr=no,
  1442                             [#include <X11/Xlib.h>
  1443                              #include <X11/Xproto.h>
  1444                             ])
  1445             if test x$have_xext_h_hdr != xyes; then
  1446                AC_MSG_ERROR([
  1447 *** Missing Xext.h, maybe you need to install the libxext-dev package?
  1448                ])
  1449             fi
  1450 
  1451             AC_DEFINE(SDL_VIDEO_DRIVER_X11, 1, [ ])
  1452             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
  1453             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
  1454 
  1455             # Needed so SDL applications can include SDL_syswm.h
  1456             SDL_CFLAGS="$SDL_CFLAGS $X_CFLAGS"
  1457 
  1458             if test x$enable_x11_shared = xmaybe; then
  1459                 enable_x11_shared=yes
  1460             fi
  1461             if test x$have_loadso != xyes && \
  1462                test x$enable_x11_shared = xyes; then
  1463                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
  1464                 enable_x11_shared=no
  1465             fi
  1466             if test x$have_loadso = xyes && \
  1467                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
  1468                 echo "-- dynamic libX11 -> $x11_lib"
  1469                 echo "-- dynamic libX11ext -> $x11ext_lib"
  1470                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib", [ ])
  1471                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib", [ ])
  1472                 SUMMARY_video="${SUMMARY_video} x11(dynamic)"
  1473             else
  1474                 enable_x11_shared=no
  1475                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
  1476                 SUMMARY_video="${SUMMARY_video} x11"
  1477             fi
  1478             have_video=yes
  1479 
  1480             AC_MSG_CHECKING(for const parameter to XextAddDisplay)
  1481             have_const_param_XextAddDisplay=no
  1482             AC_TRY_COMPILE([
  1483               #include <X11/Xlib.h>
  1484               #include <X11/Xproto.h>
  1485               #include <X11/extensions/Xext.h>
  1486               #include <X11/extensions/extutil.h>
  1487               extern XExtDisplayInfo* XextAddDisplay(XExtensionInfo* a,Display* b,_Xconst char* c,XExtensionHooks* d,int e,XPointer f);
  1488             ],[
  1489             ],[
  1490             have_const_param_XextAddDisplay=yes
  1491             AC_DEFINE(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY)
  1492             ])
  1493             AC_MSG_RESULT($have_const_param_XextAddDisplay)
  1494 
  1495             AC_MSG_CHECKING(for const parameter to _XData32)
  1496 	    have_const_param_xdata32=no
  1497 	    AC_TRY_COMPILE([
  1498 	      #include <X11/Xlibint.h>
  1499 	      extern int _XData32(Display *dpy,register _Xconst long *data,unsigned len);
  1500 	    ],[
  1501 	    ],[
  1502 	    have_const_param_xdata32=yes
  1503 	    AC_DEFINE(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XDATA32)
  1504 	    ])
  1505 	    AC_MSG_RESULT($have_const_param_xdata32)
  1506 
  1507             dnl AC_CHECK_LIB(X11, XGetEventData, AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS, 1, [Have XGenericEvent]))
  1508             AC_MSG_CHECKING([for XGenericEvent])
  1509             have_XGenericEvent=no
  1510             AC_TRY_COMPILE([
  1511               	#include <X11/Xlib.h>
  1512             ],[
  1513 Display *display;
  1514 XEvent event;
  1515 XGenericEventCookie *cookie = &event.xcookie;
  1516 XNextEvent(display, &event);
  1517 XGetEventData(display, cookie);
  1518 XFreeEventData(display, cookie);
  1519             ],[
  1520                 have_XGenericEvent=yes
  1521                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS)
  1522             ])
  1523             AC_MSG_RESULT($have_XGenericEvent)
  1524 
  1525             AC_CHECK_LIB(X11, XkbKeycodeToKeysym, AC_DEFINE(SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM, 1, [Have XkbKeycodeToKeysym]))
  1526 
  1527             AC_ARG_ENABLE(video-x11-xcursor,
  1528 AC_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [[default=yes]]]),
  1529                             , enable_video_x11_xcursor=yes)
  1530             if test x$enable_video_x11_xcursor = xyes; then
  1531                 definitely_enable_video_x11_xcursor=no
  1532                 AC_CHECK_HEADER(X11/Xcursor/Xcursor.h,
  1533                                 have_xcursor_h_hdr=yes,
  1534                                 have_xcursor_h_hdr=no,
  1535                                 [#include <X11/Xlib.h>
  1536                                 ])
  1537                 if test x$have_xcursor_h_hdr = xyes; then
  1538                     if test x$enable_x11_shared = xyes && test x$xcursor_lib != x ; then
  1539                         echo "-- dynamic libXcursor -> $xcursor_lib"
  1540                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR, "$xcursor_lib", [ ])
  1541                         definitely_enable_video_x11_xcursor=yes
  1542                     else
  1543                         AC_CHECK_LIB(Xcursor, XcursorImageCreate, have_xcursor_lib=yes)
  1544                         if test x$have_xcursor_lib = xyes ; then
  1545                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXcursor"
  1546                             definitely_enable_video_x11_xcursor=yes
  1547                         fi
  1548                     fi
  1549                 fi
  1550             fi
  1551             if test x$definitely_enable_video_x11_xcursor = xyes; then
  1552                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XCURSOR, 1, [ ])
  1553                 SUMMARY_video_x11="${SUMMARY_video_x11} xcursor"
  1554             fi
  1555             AC_ARG_ENABLE(video-x11-xinerama,
  1556 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
  1557                             , enable_video_x11_xinerama=yes)
  1558             if test x$enable_video_x11_xinerama = xyes; then
  1559                 definitely_enable_video_x11_xinerama=no
  1560                 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
  1561                                 have_xinerama_h_hdr=yes,
  1562                                 have_xinerama_h_hdr=no,
  1563                                 [#include <X11/Xlib.h>
  1564                                 ])
  1565                 if test x$have_xinerama_h_hdr = xyes; then
  1566                     if test x$enable_x11_shared = xyes && test x$xinerama_lib != x ; then
  1567                         echo "-- dynamic libXinerama -> $xinerama_lib"
  1568                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA, "$xinerama_lib", [ ])
  1569                         definitely_enable_video_x11_xinerama=yes
  1570                     else
  1571                         AC_CHECK_LIB(Xinerama, XineramaQueryExtension, have_xinerama_lib=yes)
  1572                         if test x$have_xinerama_lib = xyes ; then
  1573                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXinerama"
  1574                             definitely_enable_video_x11_xinerama=yes
  1575                         fi
  1576                     fi
  1577                 fi
  1578             fi
  1579             if test x$definitely_enable_video_x11_xinerama = xyes; then
  1580                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA, 1, [ ])
  1581                 SUMMARY_video_x11="${SUMMARY_video_x11} xinerama"
  1582             fi
  1583             AC_ARG_ENABLE(video-x11-xinput,
  1584 AC_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [[default=yes]]]),
  1585                             , enable_video_x11_xinput=yes)
  1586             if test x$enable_video_x11_xinput = xyes; then
  1587                 definitely_enable_video_x11_xinput=no
  1588                 AC_CHECK_HEADER(X11/extensions/XInput2.h,
  1589                                 have_xinput_h_hdr=yes,
  1590                                 have_xinput_h_hdr=no,
  1591                                 [#include <X11/Xlib.h>
  1592                                 ])
  1593                 if test x$have_xinput_h_hdr = xyes; then
  1594                     if test x$enable_x11_shared = xyes && test x$xinput_lib != x ; then
  1595                         echo "-- dynamic libXi -> $xinput_lib"
  1596                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2, "$xinput_lib", [ ])
  1597                         definitely_enable_video_x11_xinput=yes
  1598                     else
  1599                         AC_CHECK_LIB(Xi, XOpenDevice, have_xinput_lib=yes)
  1600                         if test x$have_xinput_lib = xyes ; then
  1601                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXi"
  1602                             definitely_enable_video_x11_xinput=yes
  1603                         fi
  1604                     fi
  1605                 fi
  1606             fi
  1607             if test x$definitely_enable_video_x11_xinput = xyes; then
  1608                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2"
  1609                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2, 1, [ ])
  1610                 AC_MSG_CHECKING(for xinput2 multitouch)
  1611             	have_xinput2_multitouch=no
  1612             	AC_TRY_COMPILE([
  1613               		#include <X11/Xlib.h>
  1614              		#include <X11/Xproto.h>
  1615 			#include <X11/extensions/XInput2.h>
  1616             	],[
  1617 int event_type = XI_TouchBegin;
  1618 XITouchClassInfo *t;
  1619             	],[
  1620             	have_xinput2_multitouch=yes
  1621             	AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH)
  1622                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2_multitouch"
  1623             	])
  1624             	AC_MSG_RESULT($have_xinput2_multitouch)
  1625             fi
  1626             AC_ARG_ENABLE(video-x11-xrandr,
  1627 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
  1628                             , enable_video_x11_xrandr=yes)
  1629             if test x$enable_video_x11_xrandr = xyes; then
  1630                 dnl XRRScreenResources is only present in Xrandr >= 1.2, we use that as a test.
  1631                 definitely_enable_video_x11_xrandr=no
  1632                 have_xrandr_h_hdr=no
  1633                 AC_TRY_COMPILE([
  1634                 #include <X11/Xlib.h>
  1635                 #include <X11/extensions/Xrandr.h>
  1636                 ],[
  1637                 XRRScreenResources *res = NULL;
  1638                 ],[
  1639                 have_xrandr_h_hdr=yes
  1640                 ])
  1641                 if test x$have_xrandr_h_hdr = xyes; then
  1642                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
  1643                         echo "-- dynamic libXrandr -> $xrandr_lib"
  1644                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib", [ ])
  1645                         definitely_enable_video_x11_xrandr=yes
  1646                     else
  1647                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
  1648                         if test x$have_xrandr_lib = xyes ; then
  1649                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr"
  1650                             definitely_enable_video_x11_xrandr=yes
  1651                         fi
  1652                     fi
  1653                 fi
  1654             fi
  1655             if test x$definitely_enable_video_x11_xrandr = xyes; then
  1656                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR, 1, [ ])
  1657                 SUMMARY_video_x11="${SUMMARY_video_x11} xrandr"
  1658             fi
  1659             AC_ARG_ENABLE(video-x11-scrnsaver,
  1660 AC_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [[default=yes]]]),
  1661                             , enable_video_x11_scrnsaver=yes)
  1662             if test x$enable_video_x11_scrnsaver = xyes; then
  1663                 AC_CHECK_HEADER(X11/extensions/scrnsaver.h,
  1664                                 have_scrnsaver_h_hdr=yes,
  1665                                 have_scrnsaver_h_hdr=no,
  1666                                 [#include <X11/Xlib.h>
  1667                                 ])
  1668                 if test x$have_scrnsaver_h_hdr = xyes; then
  1669                     if test x$enable_x11_shared = xyes && test x$xss_lib != x ; then
  1670                         echo "-- dynamic libXss -> $xss_lib"
  1671                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS, "$xss_lib", [ ])
  1672                         definitely_enable_video_x11_scrnsaver=yes
  1673                     else
  1674                         AC_CHECK_LIB(Xss, XScreenSaverSuspend, have_xss_lib=yes)
  1675                         if test x$have_xss_lib = xyes ; then
  1676                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXss"
  1677                             definitely_enable_video_x11_scrnsaver=yes
  1678                         fi
  1679                     fi
  1680                 fi
  1681             fi
  1682             if test x$definitely_enable_video_x11_scrnsaver = xyes; then
  1683                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSCRNSAVER, 1, [ ])
  1684                 SUMMARY_video_x11="${SUMMARY_video_x11} xscrnsaver"
  1685             fi
  1686             AC_ARG_ENABLE(video-x11-xshape,
  1687 AC_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [[default=yes]]]),
  1688                             , enable_video_x11_xshape=yes)
  1689             if test x$enable_video_x11_xshape = xyes; then
  1690                 AC_CHECK_HEADER(X11/extensions/shape.h,
  1691                                 have_shape_h_hdr=yes,
  1692                                 have_shape_h_hdr=no,
  1693                                 [#include <X11/Xlib.h>
  1694                                 ])
  1695                 if test x$have_shape_h_hdr = xyes; then
  1696                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSHAPE, 1, [ ])
  1697                     SUMMARY_video_x11="${SUMMARY_video_x11} xshape"
  1698                 fi
  1699             fi
  1700             AC_ARG_ENABLE(video-x11-vm,
  1701 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
  1702                             , enable_video_x11_vm=yes)
  1703             if test x$enable_video_x11_vm = xyes; then
  1704                 definitely_enable_video_x11_vm=no
  1705                 AC_CHECK_HEADER(X11/extensions/xf86vmode.h,
  1706                                 have_vm_h_hdr=yes,
  1707                                 have_vm_h_hdr=no,
  1708                                 [#include <X11/Xlib.h>
  1709                                 ])
  1710                 if test x$have_vm_h_hdr = xyes; then
  1711                     if test x$enable_x11_shared = xyes && test x$xvidmode_lib != x ; then
  1712                         echo "-- dynamic libXxf86vm -> $xvidmode_lib"
  1713                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE, "$xvidmode_lib", [ ])
  1714                         definitely_enable_video_x11_vm=yes
  1715                     else
  1716                         AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, have_vm_lib=yes)
  1717                         if test x$have_vm_lib = xyes ; then
  1718                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXxf86vm"
  1719                             definitely_enable_video_x11_vm=yes
  1720                         fi
  1721                     fi
  1722                 fi
  1723             fi
  1724             if test x$definitely_enable_video_x11_vm = xyes; then
  1725                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XVIDMODE, 1, [ ])
  1726                 SUMMARY_video_x11="${SUMMARY_video_x11} xvidmode"
  1727             fi
  1728         fi
  1729     fi
  1730 }
  1731 
  1732 dnl Set up the MX6 video driver if enabled
  1733 CheckMX6Video()
  1734 {
  1735     AC_ARG_ENABLE(video-mx6,
  1736 AC_HELP_STRING([--enable-video-mx6], [use Freescale i.MX6 video driver [[default=no]]]),
  1737                   , enable_video_mx6=no)
  1738     if test x$enable_video = xyes -a x$enable_video_mx6 = xyes; then
  1739         AC_MSG_CHECKING(for Vivante GPU SDK)
  1740         have_viv_sdk=no
  1741         AC_TRY_COMPILE([
  1742           #define EGL_API_FB
  1743           #include <EGL/eglvivante.h>
  1744         ],[
  1745         ],[
  1746         have_viv_sdk=yes
  1747         ])
  1748         AC_MSG_RESULT($have_viv_sdk)
  1749         if test x$have_viv_sdk = xyes; then
  1750             AC_DEFINE(SDL_VIDEO_DRIVER_MX6, 1, [ ])
  1751             SOURCES="$SOURCES $srcdir/src/video/mx6/*.c"
  1752             SUMMARY_video="${SUMMARY_video} mx6"
  1753             have_video=yes
  1754         fi
  1755     fi
  1756 }
  1757 
  1758 dnl Set up the Haiku video driver if enabled
  1759 CheckHaikuVideo()
  1760 {
  1761     if test x$enable_video = xyes; then
  1762         AC_DEFINE(SDL_VIDEO_DRIVER_HAIKU, 1, [ ])
  1763         SOURCES="$SOURCES $srcdir/src/video/haiku/*.cc"
  1764         have_video=yes
  1765         SUMMARY_video="${SUMMARY_video} haiku"
  1766     fi
  1767 }
  1768 
  1769 dnl Set up the Cocoa video driver for Mac OS X (but not Darwin)
  1770 CheckCOCOA()
  1771 {
  1772     AC_ARG_ENABLE(video-cocoa,
  1773 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]]),
  1774                   , enable_video_cocoa=yes)
  1775     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  1776         save_CFLAGS="$CFLAGS"
  1777         dnl work around that we don't have Objective-C support in autoconf
  1778         CFLAGS="$CFLAGS -x objective-c"
  1779         AC_MSG_CHECKING(for Cocoa framework)
  1780         have_cocoa=no
  1781         AC_TRY_COMPILE([
  1782           #import <Cocoa/Cocoa.h>
  1783         ],[
  1784         ],[
  1785         have_cocoa=yes
  1786         ])
  1787         AC_MSG_RESULT($have_cocoa)
  1788         CFLAGS="$save_CFLAGS"
  1789         if test x$have_cocoa = xyes; then
  1790             AC_DEFINE(SDL_VIDEO_DRIVER_COCOA, 1, [ ])
  1791             SOURCES="$SOURCES $srcdir/src/video/cocoa/*.m"
  1792             SUMMARY_video="${SUMMARY_video} cocoa"
  1793             have_video=yes
  1794         fi
  1795     fi
  1796 }
  1797 
  1798 dnl Find DirectFB
  1799 CheckDirectFB()
  1800 {
  1801     AC_ARG_ENABLE(video-directfb,
  1802 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),
  1803                   , enable_video_directfb=no)
  1804     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
  1805         video_directfb=no
  1806 
  1807         DIRECTFB_REQUIRED_VERSION=1.0.0
  1808         AC_PATH_PROGS(DIRECTFBCONFIG, directfb-config, no, [$prefix/bin:$PATH])
  1809         if test x$DIRECTFBCONFIG = xno; then
  1810             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1811             if test x$PKG_CONFIG != xno; then
  1812                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
  1813                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
  1814                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
  1815                     DIRECTFB_PREFIX=`$PKG_CONFIG --variable=prefix directfb`
  1816                     video_directfb=yes
  1817                 fi
  1818             fi
  1819         else
  1820             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
  1821             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1822             set -- `$DIRECTFBCONFIG --version | sed 's/\./ /g'`
  1823             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1824             if test $HAVE_VERSION -ge $NEED_VERSION; then
  1825                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
  1826                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
  1827                 DIRECTFB_PREFIX=`$DIRECTFBCONFIG --prefix`
  1828                 video_directfb=yes
  1829             fi
  1830         fi
  1831         if test x$video_directfb = xyes; then
  1832             # SuSE 11.1 installs directfb-config without directfb-devel
  1833             save_CPPFLAGS="$CPPFLAGS"
  1834             CPPFLAGS="$CPPFLAGS $DIRECTFB_CFLAGS"
  1835             AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no)
  1836             CPPFLAGS="$save_CPPFLAGS"
  1837             video_directfb=$have_directfb_hdr
  1838         fi
  1839         AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
  1840         AC_MSG_RESULT($video_directfb)
  1841 
  1842         if test x$video_directfb = xyes; then
  1843             AC_ARG_ENABLE(directfb-shared,
  1844 AC_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [[default=yes]]]),
  1845                               , enable_directfb_shared=yes)
  1846 
  1847             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB, 1, [ ])
  1848             AC_DEFINE(SDL_VIDEO_RENDER_DIRECTFB, 1, [ ])
  1849             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
  1850             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
  1851 
  1852             AC_MSG_CHECKING(for directfb dynamic loading support)
  1853             directfb_shared=no
  1854             directfb_lib=[`find_lib "libdirectfb.so.*" "$DIRECTFB_LIBS"`]
  1855             # | sed 's/.*\/\(.*\)/\1/; q'`]
  1856 AC_MSG_WARN("directfb $directfb_lib")
  1857             if test x$have_loadso != xyes && \
  1858                test x$enable_directfb_shared = xyes; then
  1859                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic directfb loading])
  1860             fi
  1861             if test x$have_loadso = xyes && \
  1862                test x$enable_directfb_shared = xyes && test x$directfb_lib != x; then
  1863                 directfb_shared=yes
  1864                 echo "-- $directfb_lib_spec -> $directfb_lib"
  1865                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC, "$directfb_lib", [ ])
  1866                 SUMMARY_video="${SUMMARY_video} directfb(dynamic)"
  1867             else
  1868                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
  1869                 SUMMARY_video="${SUMMARY_video} directfb"
  1870             fi
  1871             AC_MSG_RESULT($directfb_shared)
  1872             SDL_CFLAGS="$SDL_CFLAGS $DIRECTFB_CFLAGS"
  1873             have_video=yes
  1874         fi
  1875     fi
  1876 }
  1877 
  1878 dnl Find FusionSound
  1879 CheckFusionSound()
  1880 {
  1881     AC_ARG_ENABLE(fusionsound,
  1882 AC_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [[default=no]]]),
  1883                   , enable_fusionsound=no)
  1884     if test x$enable_audio = xyes -a x$enable_fusionsound = xyes; then
  1885         fusionsound=no
  1886 
  1887         FUSIONSOUND_REQUIRED_VERSION=1.1.1
  1888 
  1889         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1890         AC_MSG_CHECKING(for FusionSound $FUSIONSOUND_REQUIRED_VERSION support)
  1891         if test x$PKG_CONFIG != xno; then
  1892             if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $FUSIONSOUND_REQUIRED_VERSION fusionsound; then
  1893                 FUSIONSOUND_CFLAGS=`$PKG_CONFIG --cflags fusionsound`
  1894                 FUSIONSOUND_LIBS=`$PKG_CONFIG --libs fusionsound`
  1895                 fusionsound=yes
  1896             fi
  1897         fi
  1898         AC_MSG_RESULT($fusionsound)
  1899 
  1900         if test x$fusionsound = xyes; then
  1901             AC_DEFINE(SDL_AUDIO_DRIVER_FUSIONSOUND, 1, [ ])
  1902             SOURCES="$SOURCES $srcdir/src/audio/fusionsound/*.c"
  1903             EXTRA_CFLAGS="$EXTRA_CFLAGS $FUSIONSOUND_CFLAGS"
  1904             
  1905             AC_ARG_ENABLE(fusionsound-shared,
  1906 AC_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [[default=yes]]]),
  1907                           , enable_fusionsound_shared=yes)
  1908             fusionsound_shared=no
  1909             AC_MSG_CHECKING(for FusionSound dynamic loading support)
  1910             if test x$have_loadso != xyes && \
  1911                test x$enable_fusionsound_shared = xyes; then
  1912                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic fusionsound loading])
  1913             fi
  1914             if test x$have_loadso = xyes && \
  1915                test x$enable_fusionsound_shared = xyes; then
  1916                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC, "libfusionsound.so", [ ])
  1917                 fusionsound_shared=yes
  1918                 SUMMARY_audio="${SUMMARY_audio} fusionsound(dynamic)"
  1919             else
  1920                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $FUSIONSOUND_LIBS"
  1921                 SUMMARY_audio="${SUMMARY_audio} fusionsound"
  1922             fi
  1923             AC_MSG_RESULT($fusionsound_shared)
  1924             
  1925             have_audio=yes
  1926         fi
  1927     fi
  1928 }
  1929 
  1930 dnl rcg04172001 Set up the Null video driver.
  1931 CheckDummyVideo()
  1932 {
  1933     AC_ARG_ENABLE(video-dummy,
  1934 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
  1935                   , enable_video_dummy=yes)
  1936     if test x$enable_video_dummy = xyes; then
  1937         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ])
  1938         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
  1939         have_video=yes
  1940         SUMMARY_video="${SUMMARY_video} dummy"
  1941     fi
  1942 }
  1943 
  1944 dnl Check to see if OpenGL support is desired
  1945 AC_ARG_ENABLE(video-opengl,
  1946 AC_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),
  1947               , enable_video_opengl=yes)
  1948 
  1949 dnl Find OpenGL
  1950 CheckOpenGLX11()
  1951 {
  1952     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1953         AC_MSG_CHECKING(for OpenGL (GLX) support)
  1954         video_opengl=no
  1955         AC_TRY_COMPILE([
  1956          #include <GL/gl.h>
  1957          #include <GL/glx.h>
  1958         ],[
  1959         ],[
  1960         video_opengl=yes
  1961         ])
  1962         AC_MSG_RESULT($video_opengl)
  1963         if test x$video_opengl = xyes; then
  1964             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1965             AC_DEFINE(SDL_VIDEO_OPENGL_GLX, 1, [ ])
  1966             AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  1967             SUMMARY_video="${SUMMARY_video} opengl"
  1968         fi
  1969     fi
  1970 }
  1971 
  1972 dnl Check to see if OpenGL ES support is desired
  1973 AC_ARG_ENABLE(video-opengles,
  1974 AC_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [[default=yes]]]),
  1975               , enable_video_opengles=yes)
  1976 AC_ARG_ENABLE(video-opengles1,
  1977 AC_HELP_STRING([--enable-video-opengles1], [include OpenGL ES 1.1 support [[default=yes]]]),
  1978               , enable_video_opengles1=yes)
  1979 AC_ARG_ENABLE(video-opengles2,
  1980 AC_HELP_STRING([--enable-video-opengles2], [include OpenGL ES 2.0 support [[default=yes]]]),
  1981               , enable_video_opengles2=yes)
  1982 
  1983 dnl Find OpenGL ES
  1984 CheckOpenGLESX11()
  1985 {
  1986     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  1987         AC_MSG_CHECKING(for EGL support)
  1988         video_opengl_egl=no
  1989         AC_TRY_COMPILE([
  1990          #define EGL_API_FB
  1991          #include <EGL/egl.h>
  1992          #include <EGL/eglext.h>
  1993         ],[
  1994         ],[
  1995         video_opengl_egl=yes
  1996         ])
  1997         AC_MSG_RESULT($video_opengl_egl)
  1998         if test x$video_opengl_egl = xyes; then
  1999             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2000         fi
  2001             
  2002         if test x$enable_video_opengles1 = xyes; then
  2003             AC_MSG_CHECKING(for OpenGL ES v1 headers)
  2004             video_opengles_v1=no
  2005             AC_TRY_COMPILE([
  2006              #include <GLES/gl.h>
  2007              #include <GLES/glext.h>
  2008             ],[
  2009             ],[
  2010             video_opengles_v1=yes
  2011             ])
  2012             AC_MSG_RESULT($video_opengles_v1)
  2013             if test x$video_opengles_v1 = xyes; then
  2014                 AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])
  2015                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])
  2016                 SUMMARY_video="${SUMMARY_video} opengl_es1"
  2017             fi
  2018         fi
  2019         
  2020         if test x$enable_video_opengles2 = xyes; then
  2021             AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2022             video_opengles_v2=no
  2023             AC_TRY_COMPILE([
  2024              #include <GLES2/gl2.h>
  2025              #include <GLES2/gl2ext.h>
  2026             ],[
  2027             ],[
  2028             video_opengles_v2=yes
  2029             ])
  2030             AC_MSG_RESULT($video_opengles_v2)
  2031             if test x$video_opengles_v2 = xyes; then
  2032                 AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2033                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2034                 SUMMARY_video="${SUMMARY_video} opengl_es2"
  2035             fi
  2036         fi
  2037     fi
  2038 }
  2039 
  2040 dnl Check for Windows OpenGL
  2041 CheckWINDOWSGL()
  2042 {
  2043     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2044         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2045         AC_DEFINE(SDL_VIDEO_OPENGL_WGL, 1, [ ])
  2046         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2047         SUMMARY_video="${SUMMARY_video} opengl"
  2048     fi
  2049 }
  2050 
  2051 dnl Check for Windows OpenGL
  2052 CheckWINDOWSGLES()
  2053 {
  2054     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2055 
  2056         AC_MSG_CHECKING(for EGL support)
  2057         video_opengl_egl=no
  2058         AC_TRY_COMPILE([
  2059          #include <EGL/egl.h>
  2060         ],[
  2061         ],[
  2062         video_opengl_egl=yes
  2063         ])
  2064         AC_MSG_RESULT($video_opengl_egl)
  2065         if test x$video_opengl_egl = xyes; then
  2066             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2067             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2068             SUMMARY_video="${SUMMARY_video} opengl_es1"
  2069         fi
  2070        
  2071         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2072         video_opengles_v2=no
  2073         AC_TRY_COMPILE([
  2074          #include <GLES2/gl2.h>
  2075          #include <GLES2/gl2ext.h>
  2076         ],[
  2077         ],[
  2078         video_opengles_v2=yes
  2079         ])
  2080         AC_MSG_RESULT($video_opengles_v2)
  2081         if test x$video_opengles_v2 = xyes; then
  2082             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2083             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2084             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2085             SUMMARY_video="${SUMMARY_video} opengl_es2"
  2086         fi
  2087     fi
  2088 }
  2089 
  2090 dnl Check for Haiku OpenGL
  2091 CheckHaikuGL()
  2092 {
  2093     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2094         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2095         AC_DEFINE(SDL_VIDEO_OPENGL_HAIKU, 1, [ ])
  2096         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2097         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  2098         SUMMARY_video="${SUMMARY_video} opengl"
  2099     fi
  2100 }
  2101 
  2102 dnl Check for MacOS OpenGL
  2103 CheckMacGL()
  2104 {
  2105     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2106         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2107         AC_DEFINE(SDL_VIDEO_OPENGL_CGL, 1, [ ])
  2108         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2109         SUMMARY_video="${SUMMARY_video} opengl"
  2110     fi
  2111 }
  2112 
  2113 dnl See if we can use the new unified event interface in Linux 2.4
  2114 CheckInputEvents()
  2115 {
  2116     dnl Check for Linux 2.4 unified input event interface support
  2117         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
  2118         use_input_events=no
  2119         AC_TRY_COMPILE([
  2120           #include <linux/input.h>
  2121         ],[
  2122           #ifndef EVIOCGNAME
  2123           #error EVIOCGNAME() ioctl not available
  2124           #endif
  2125         ],[
  2126         use_input_events=yes
  2127         ])
  2128         AC_MSG_RESULT($use_input_events)
  2129         if test x$use_input_events = xyes; then
  2130             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])
  2131             SUMMARY_input="${SUMMARY_input} linuxev"
  2132         fi
  2133 }
  2134 
  2135 dnl See if we can use the kernel kd.h header
  2136 CheckInputKD()
  2137 {
  2138 
  2139     AC_MSG_CHECKING(for Linux kd.h)
  2140     use_input_kd=no
  2141     AC_TRY_COMPILE([
  2142       #include <linux/kd.h>
  2143       #include <linux/keyboard.h>
  2144     ],[
  2145         struct kbentry kbe;
  2146         kbe.kb_table = KG_CTRL;
  2147         ioctl(0, KDGKBENT, &kbe);
  2148     ],[
  2149     use_input_kd=yes
  2150     ])
  2151     AC_MSG_RESULT($use_input_kd)
  2152     if test x$use_input_kd = xyes; then
  2153         AC_DEFINE(SDL_INPUT_LINUXKD, 1, [ ])
  2154         SUMMARY_input="${SUMMARY_input} linuxkd"
  2155     fi
  2156 }
  2157 
  2158 dnl See if the platform offers libudev for device enumeration and hotplugging.
  2159 CheckLibUDev()
  2160 {
  2161     AC_ARG_ENABLE(libudev,
  2162 AC_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),
  2163                         , enable_libudev=yes)
  2164     if test x$enable_libudev = xyes; then
  2165         AC_CHECK_HEADER(libudev.h,
  2166                         have_libudev_h_hdr=yes,
  2167                         have_libudev_h_hdr=no)
  2168         if test x$have_libudev_h_hdr = xyes; then
  2169             AC_DEFINE(HAVE_LIBUDEV_H, 1, [ ])
  2170         fi
  2171     fi
  2172 }
  2173 
  2174 dnl See if the platform offers libdbus for various IPC techniques.
  2175 CheckDBus()
  2176 {
  2177     AC_ARG_ENABLE(dbus,
  2178 AC_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),
  2179                         , enable_dbus=yes)
  2180     if test x$enable_dbus = xyes; then
  2181         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2182         if test x$PKG_CONFIG != xno; then
  2183             DBUS_CFLAGS=`$PKG_CONFIG --cflags dbus-1`
  2184             save_CFLAGS="$CFLAGS"
  2185             CFLAGS="$save_CFLAGS $DBUS_CFLAGS"
  2186             AC_CHECK_HEADER(dbus/dbus.h,
  2187                             have_dbus_dbus_h_hdr=yes,
  2188                             have_dbus_dbus_h_hdr=no)
  2189             CFLAGS="$save_CFLAGS"
  2190             if test x$have_dbus_dbus_h_hdr = xyes; then
  2191                 AC_DEFINE(HAVE_DBUS_DBUS_H, 1, [ ])
  2192                 EXTRA_CFLAGS="$EXTRA_CFLAGS $DBUS_CFLAGS"
  2193                 SOURCES="$SOURCES $srcdir/src/core/linux/SDL_dbus.c"
  2194             fi
  2195         fi
  2196     fi
  2197 }
  2198 
  2199 dnl See if the platform has libibus IME support.
  2200 CheckIBus()
  2201 {
  2202     AC_ARG_ENABLE(ibus,
  2203 AC_HELP_STRING([--enable-ibus], [enable IBus support [[default=yes]]]),
  2204                   , enable_ibus=yes)
  2205     if test x$enable_ibus = xyes; then
  2206         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2207         if test x$PKG_CONFIG != xno; then
  2208             IBUS_CFLAGS=`$PKG_CONFIG --cflags ibus-1.0`
  2209             save_CFLAGS="$CFLAGS"
  2210             CFLAGS="$save_CFLAGS $IBUS_CFLAGS"
  2211             AC_CHECK_HEADER(ibus-1.0/ibus.h,
  2212                             have_ibus_ibus_h_hdr=yes,
  2213                             have_ibus_ibus_h_hdr=no)
  2214             AC_CHECK_HEADER(sys/inotify.h,
  2215                             have_inotify_inotify_h_hdr=yes,
  2216                             have_inotify_inotify_h_hdr=no)
  2217             CFLAGS="$save_CFLAGS"
  2218             if test x$have_ibus_ibus_h_hdr = xyes; then
  2219                 if test x$enable_dbus != xyes; then
  2220                     AC_MSG_WARN([DBus support is required for IBus.])
  2221                     have_ibus_ibus_h_hdr=no
  2222                 elif test x$have_inotify_inotify_h_hdr != xyes; then
  2223                     AC_MSG_WARN([INotify support is required for IBus.])
  2224                     have_ibus_ibus_h_hdr=no
  2225                 else
  2226                     AC_DEFINE(HAVE_IBUS_IBUS_H, 1, [ ])
  2227                     EXTRA_CFLAGS="$EXTRA_CFLAGS $IBUS_CFLAGS"
  2228                     SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ibus.c"
  2229                fi
  2230             fi
  2231         fi
  2232     fi
  2233 }
  2234 
  2235 dnl See if we can use the Touchscreen input library
  2236 CheckTslib()
  2237 {
  2238     AC_ARG_ENABLE(input-tslib,
  2239 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
  2240                   , enable_input_tslib=yes)
  2241     if test x$enable_input_tslib = xyes; then
  2242         AC_MSG_CHECKING(for Touchscreen library support)
  2243         enable_input_tslib=no
  2244         AC_TRY_COMPILE([
  2245           #include "tslib.h"
  2246         ],[
  2247         ],[
  2248         enable_input_tslib=yes
  2249         ])
  2250         AC_MSG_RESULT($enable_input_tslib)
  2251         if test x$enable_input_tslib = xyes; then
  2252             AC_DEFINE(SDL_INPUT_TSLIB, 1, [ ])
  2253             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
  2254             SUMMARY_input="${SUMMARY_input} ts"
  2255         fi
  2256     fi
  2257 }
  2258 
  2259 dnl See what type of thread model to use on Linux and Solaris
  2260 CheckPTHREAD()
  2261 {
  2262     dnl Check for pthread support
  2263     AC_ARG_ENABLE(pthreads,
  2264 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
  2265                   , enable_pthreads=yes)
  2266     dnl This is used on Linux for glibc binary compatibility (Doh!)
  2267     AC_ARG_ENABLE(pthread-sem,
  2268 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
  2269                   , enable_pthread_sem=yes)
  2270     case "$host" in
  2271 	 *-*-androideabi*)
  2272             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2273             pthread_lib=""
  2274 	    ;;
  2275         *-*-linux*|*-*-uclinux*)
  2276             pthread_cflags="-D_REENTRANT"
  2277             pthread_lib="-lpthread"
  2278             ;;
  2279         *-*-bsdi*)
  2280             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2281             pthread_lib=""
  2282             ;;
  2283         *-*-darwin*)
  2284             pthread_cflags="-D_THREAD_SAFE"
  2285 # causes Carbon.p complaints?
  2286 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2287             ;;
  2288         *-*-freebsd*|*-*-dragonfly*)
  2289             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2290             pthread_lib="-pthread"
  2291             ;;
  2292         *-*-netbsd*)
  2293             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2294             pthread_lib="-lpthread"
  2295             ;;
  2296         *-*-openbsd*)
  2297             pthread_cflags="-D_REENTRANT"
  2298             pthread_lib="-pthread"
  2299             ;;
  2300         *-*-solaris2.9)
  2301             # From Solaris 9+, posix4's preferred name is rt.
  2302             pthread_cflags="-D_REENTRANT"
  2303             pthread_lib="-lpthread -lrt"
  2304             ;;
  2305         *-*-solaris2.10)
  2306             # Solaris 10+ merged pthread into libc.
  2307             pthread_cflags="-D_REENTRANT"
  2308             pthread_lib="-lrt"
  2309             ;;
  2310         *-*-solaris*)
  2311             # Solaris 11+ merged rt into libc.
  2312             pthread_cflags="-D_REENTRANT"
  2313             pthread_lib=""
  2314             ;;
  2315         *-*-sysv5*)
  2316             pthread_cflags="-D_REENTRANT -Kthread"
  2317             pthread_lib=""
  2318             ;;
  2319         *-*-aix*)
  2320             pthread_cflags="-D_REENTRANT -mthreads"
  2321             pthread_lib="-lpthread"
  2322             ;;
  2323         *-*-hpux11*)
  2324             pthread_cflags="-D_REENTRANT"
  2325             pthread_lib="-L/usr/lib -lpthread"
  2326             ;;
  2327         *-*-haiku*)
  2328             pthread_cflags="-D_REENTRANT"
  2329             pthread_lib=""
  2330             ;;
  2331         *)
  2332             pthread_cflags="-D_REENTRANT"
  2333             pthread_lib="-lpthread"
  2334             ;;
  2335     esac
  2336     if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then
  2337         # Save the original compiler flags and libraries
  2338         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2339         # Add the pthread compiler flags and libraries
  2340         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2341         # Check to see if we have pthread support on this system
  2342         AC_MSG_CHECKING(for pthreads)
  2343         use_pthreads=no
  2344         AC_TRY_LINK([
  2345          #include <pthread.h>
  2346         ],[
  2347          pthread_attr_t type;
  2348          pthread_attr_init(&type);
  2349         ],[
  2350         use_pthreads=yes
  2351         ])
  2352         AC_MSG_RESULT($use_pthreads)
  2353         # Restore the compiler flags and libraries
  2354         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2355 
  2356         # Do futher testing if we have pthread support...
  2357         if test x$use_pthreads = xyes; then
  2358             AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ])
  2359             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
  2360             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
  2361             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
  2362             SDL_LIBS="$SDL_LIBS $pthread_lib"
  2363 
  2364             # Save the original compiler flags and libraries
  2365             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2366             # Add the pthread compiler flags and libraries
  2367             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2368 
  2369             # Check to see if recursive mutexes are available
  2370             AC_MSG_CHECKING(for recursive mutexes)
  2371             has_recursive_mutexes=no
  2372             if test x$has_recursive_mutexes = xno; then
  2373                 AC_TRY_COMPILE([
  2374                   #include <pthread.h>
  2375                 ],[
  2376                   pthread_mutexattr_t attr;
  2377                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
  2378                 ],[
  2379                 has_recursive_mutexes=yes
  2380                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ])
  2381                 ])
  2382             fi
  2383             if test x$has_recursive_mutexes = xno; then
  2384                 AC_TRY_COMPILE([
  2385                   #include <pthread.h>
  2386                 ],[
  2387                   pthread_mutexattr_t attr;
  2388                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
  2389                 ],[
  2390                 has_recursive_mutexes=yes
  2391                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ])
  2392                 ])
  2393             fi
  2394             AC_MSG_RESULT($has_recursive_mutexes)
  2395 
  2396             # Check to see if pthread semaphore support is missing
  2397             if test x$enable_pthread_sem = xyes; then
  2398                 AC_MSG_CHECKING(for pthread semaphores)
  2399                 have_pthread_sem=no
  2400                 AC_TRY_COMPILE([
  2401                   #include <pthread.h>
  2402                   #include <semaphore.h>
  2403                 ],[
  2404                 ],[
  2405                 have_pthread_sem=yes
  2406                 ])
  2407                 AC_MSG_RESULT($have_pthread_sem)
  2408             fi
  2409             if test x$have_pthread_sem = xyes; then
  2410                 AC_MSG_CHECKING(for sem_timedwait)
  2411                 have_sem_timedwait=no
  2412                 AC_TRY_LINK([
  2413                   #include <pthread.h>
  2414                   #include <semaphore.h>
  2415                 ],[
  2416                   sem_timedwait(NULL, NULL);
  2417                 ],[
  2418                 have_sem_timedwait=yes
  2419                 AC_DEFINE(HAVE_SEM_TIMEDWAIT)
  2420                 ])
  2421                 AC_MSG_RESULT($have_sem_timedwait)
  2422             fi
  2423 
  2424             AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes, have_pthread_np_h=no, [ #include <pthread.h> ])
  2425             if test x$have_pthread_np_h = xyes; then
  2426                 AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ])
  2427             fi
  2428 
  2429             # Check to see if pthread naming is available
  2430             AC_MSG_CHECKING(for pthread_setname_np)
  2431             AC_TRY_LINK_FUNC(pthread_setname_np, [
  2432               has_pthread_setname_np=yes
  2433               AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ])
  2434             ],[
  2435               has_pthread_setname_np=no
  2436             ])
  2437             AC_MSG_RESULT($has_pthread_setname_np)
  2438 
  2439             AC_MSG_CHECKING(for pthread_set_name_np)
  2440             AC_TRY_LINK_FUNC(pthread_set_name_np, [
  2441               has_pthread_set_name_np=yes
  2442               AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ])
  2443             ],[
  2444               has_pthread_set_name_np=no
  2445             ])
  2446             AC_MSG_RESULT($has_pthread_set_name_np)
  2447 
  2448             # Restore the compiler flags and libraries
  2449             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2450 
  2451             # Basic thread creation functions
  2452             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
  2453 
  2454             # Semaphores
  2455             # We can fake these with mutexes and condition variables if necessary
  2456             if test x$have_pthread_sem = xyes; then
  2457                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
  2458             else
  2459                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  2460             fi
  2461 
  2462             # Mutexes
  2463             # We can fake these with semaphores if necessary
  2464             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
  2465 
  2466             # Condition variables
  2467             # We can fake these with semaphores and mutexes if necessary
  2468             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
  2469 
  2470             # Thread local storage
  2471             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systls.c"
  2472 
  2473             have_threads=yes
  2474         fi
  2475     fi
  2476 }
  2477 
  2478 dnl Determine whether the compiler can produce Windows executables
  2479 CheckWINDOWS()
  2480 {
  2481     AC_MSG_CHECKING(Windows compiler)
  2482     have_win32_gcc=no
  2483     AC_TRY_COMPILE([
  2484      #include <windows.h>
  2485     ],[
  2486     ],[
  2487     have_win32_gcc=yes
  2488     ])
  2489     AC_MSG_RESULT($have_win32_gcc)
  2490     if test x$have_win32_gcc != xyes; then
  2491        AC_MSG_ERROR([
  2492 *** Your compiler ($CC) does not produce Windows executables!
  2493        ])
  2494     fi
  2495 
  2496     AC_MSG_CHECKING(Windows CE)
  2497     have_wince=no
  2498     AC_TRY_COMPILE([
  2499 #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__)
  2500 #error This is not Windows CE
  2501 #endif
  2502     ],[
  2503     ],[
  2504     have_wince=yes
  2505        AC_MSG_ERROR([
  2506 *** Sorry, Windows CE is no longer supported.
  2507        ])
  2508     ])
  2509     AC_MSG_RESULT($have_wince)
  2510 
  2511     # This fixes Windows stack alignment with newer GCC
  2512     CheckStackBoundary
  2513 }
  2514 
  2515 dnl Find the DirectX includes and libraries
  2516 CheckDIRECTX()
  2517 {
  2518     AC_ARG_ENABLE(directx,
  2519 AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
  2520                   , enable_directx=yes)
  2521     if test x$enable_directx = xyes; then
  2522         AC_CHECK_HEADER(d3d9.h, have_d3d=yes)
  2523         AC_CHECK_HEADER(d3d11_1.h, have_d3d11=yes)
  2524         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
  2525         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
  2526         AC_CHECK_HEADER(dinput.h, have_dinput=yes)
  2527         AC_CHECK_HEADER(dxgi.h, have_dxgi=yes)
  2528         AC_CHECK_HEADER(xaudio2.h, have_xaudio2=yes)
  2529         AC_CHECK_HEADER(xinput.h, have_xinput=yes)
  2530 
  2531         if test x$have_ddraw = xyes; then
  2532             AC_DEFINE(HAVE_DDRAW_H, 1, [ ])
  2533         fi
  2534         if test x$have_dinput = xyes; then
  2535             AC_DEFINE(HAVE_DINPUT_H, 1, [ ])
  2536         fi
  2537         if test x$have_dsound = xyes; then
  2538             AC_DEFINE(HAVE_DSOUND_H, 1, [ ])
  2539         fi
  2540         if test x$have_dxgi = xyes; then
  2541             AC_DEFINE(HAVE_DXGI_H, 1, [ ])
  2542         fi
  2543         if test x$have_xinput = xyes; then
  2544             AC_DEFINE(HAVE_XINPUT_H, 1, [ ])
  2545         fi
  2546 
  2547         SUMMARY_video="${SUMMARY_video} directx"
  2548         SUMMARY_audio="${SUMMARY_audio} directx"
  2549 
  2550         # FIXME: latest Cygwin finds dinput headers, but we die on other win32 headers.
  2551         # FIXME:  ...so force it off for now.
  2552         case "$host" in
  2553             *-*-cygwin*)
  2554             have_dinput=false
  2555             ;;
  2556         esac
  2557     fi
  2558 }
  2559 
  2560 dnl Check for the dlfcn.h interface for dynamically loading objects
  2561 CheckDLOPEN()
  2562 {
  2563     AC_ARG_ENABLE(sdl-dlopen,
  2564 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
  2565                   , enable_sdl_dlopen=yes)
  2566     if test x$enable_sdl_dlopen = xyes; then
  2567         AC_MSG_CHECKING(for dlopen)
  2568         have_dlopen=no
  2569         AC_TRY_COMPILE([
  2570          #include <dlfcn.h>
  2571         ],[
  2572          void *handle = dlopen("", RTLD_NOW);
  2573          const char *loaderror = (char *) dlerror();
  2574         ],[
  2575         have_dlopen=yes
  2576         ])
  2577         AC_MSG_RESULT($have_dlopen)
  2578 
  2579         if test x$have_dlopen = xyes; then
  2580             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
  2581                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
  2582                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
  2583             AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ])
  2584             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
  2585             have_loadso=yes
  2586         fi
  2587     fi
  2588 }
  2589 
  2590 dnl Check for the usbhid(3) library on *BSD
  2591 CheckUSBHID()
  2592 {
  2593     case "$host" in
  2594         *-*-*bsd*)
  2595             if test x$enable_joystick = xyes; then
  2596                 AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
  2597                 if test x$have_libusbhid = xyes; then
  2598                     AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
  2599                     AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
  2600                     USB_LIBS="$USB_LIBS -lusbhid"
  2601                 else
  2602                     AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
  2603                     AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
  2604                     AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
  2605                 fi
  2606                     
  2607                 save_CFLAGS="$CFLAGS"
  2608                 CFLAGS="$CFLAGS $USB_CFLAGS"
  2609 
  2610                 AC_MSG_CHECKING(for usbhid)
  2611                 have_usbhid=no
  2612                 AC_TRY_COMPILE([
  2613                   #include <sys/types.h>
  2614                   #if defined(HAVE_USB_H)
  2615                   #include <usb.h>
  2616                   #endif
  2617                   #ifdef __DragonFly__
  2618                   # include <bus/usb/usb.h>
  2619                   # include <bus/usb/usbhid.h>
  2620                   #else
  2621                   # include <dev/usb/usb.h>
  2622                   # include <dev/usb/usbhid.h>
  2623                   #endif
  2624                   #if defined(HAVE_USBHID_H)
  2625                   #include <usbhid.h>
  2626                   #elif defined(HAVE_LIBUSB_H)
  2627                   #include <libusb.h>
  2628                   #elif defined(HAVE_LIBUSBHID_H)
  2629                   #include <libusbhid.h>
  2630                   #endif
  2631                 ],[
  2632                   struct report_desc *repdesc;
  2633                   struct usb_ctl_report *repbuf;
  2634                   hid_kind_t hidkind;
  2635                 ],[
  2636                 have_usbhid=yes
  2637                 ])
  2638                 AC_MSG_RESULT($have_usbhid)
  2639 
  2640                 if test x$have_usbhid = xyes; then
  2641                     AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
  2642                     have_usbhid_ucr_data=no
  2643                     AC_TRY_COMPILE([
  2644                       #include <sys/types.h>
  2645                       #if defined(HAVE_USB_H)
  2646                       #include <usb.h>
  2647                       #endif
  2648                       #ifdef __DragonFly__
  2649                       # include <bus/usb/usb.h>
  2650                       # include <bus/usb/usbhid.h>
  2651                       #else
  2652                       # include <dev/usb/usb.h>
  2653                       # include <dev/usb/usbhid.h>
  2654                       #endif
  2655                       #if defined(HAVE_USBHID_H)
  2656                       #include <usbhid.h>
  2657                       #elif defined(HAVE_LIBUSB_H)
  2658                       #include <libusb.h>
  2659                       #elif defined(HAVE_LIBUSBHID_H)
  2660                       #include <libusbhid.h>
  2661                       #endif
  2662                     ],[
  2663                       struct usb_ctl_report buf;
  2664                       if (buf.ucr_data) { }
  2665                     ],[
  2666                     have_usbhid_ucr_data=yes
  2667                     ])
  2668                     if test x$have_usbhid_ucr_data = xyes; then
  2669                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
  2670                     fi
  2671                     AC_MSG_RESULT($have_usbhid_ucr_data)
  2672                     
  2673                     AC_MSG_CHECKING(for new usbhid API)
  2674                     have_usbhid_new=no
  2675                     AC_TRY_COMPILE([
  2676                       #include <sys/types.h>
  2677                       #if defined(HAVE_USB_H)
  2678                       #include <usb.h>
  2679                       #endif
  2680                       #ifdef __DragonFly__
  2681                       #include <bus/usb/usb.h>
  2682                       #include <bus/usb/usbhid.h>
  2683                       #else
  2684                       #include <dev/usb/usb.h>
  2685                       #include <dev/usb/usbhid.h>
  2686                       #endif
  2687                       #if defined(HAVE_USBHID_H)
  2688                       #include <usbhid.h>
  2689                       #elif defined(HAVE_LIBUSB_H)
  2690                       #include <libusb.h>
  2691                       #elif defined(HAVE_LIBUSBHID_H)
  2692                       #include <libusbhid.h>
  2693                       #endif
  2694                     ],[
  2695                       report_desc_t d;
  2696                       hid_start_parse(d, 1, 1);
  2697                     ],[
  2698                     have_usbhid_new=yes
  2699                     ])
  2700                     if test x$have_usbhid_new = xyes; then
  2701                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
  2702                     fi
  2703                     AC_MSG_RESULT($have_usbhid_new)
  2704 
  2705                     AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
  2706                     have_machine_joystick=no
  2707                     AC_TRY_COMPILE([
  2708                       #include <machine/joystick.h>
  2709                     ],[
  2710                       struct joystick t;
  2711                     ],[
  2712                     have_machine_joystick=yes
  2713                     ])
  2714                     if test x$have_machine_joystick = xyes; then
  2715                         AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H, 1, [ ])
  2716                     fi
  2717                     AC_MSG_RESULT($have_machine_joystick)
  2718 
  2719                     AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ])
  2720                     SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
  2721                     EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
  2722                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
  2723                     have_joystick=yes
  2724                 fi
  2725                 CFLAGS="$save_CFLAGS"
  2726             fi
  2727         ;;
  2728     esac
  2729 }
  2730 
  2731 dnl Check for clock_gettime()
  2732 CheckClockGettime()
  2733 {
  2734     AC_ARG_ENABLE(clock_gettime,
  2735 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),
  2736                   , enable_clock_gettime=yes)
  2737     if test x$enable_clock_gettime = xyes; then
  2738         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
  2739         if test x$have_clock_gettime = xyes; then
  2740             AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2741             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
  2742         else
  2743             AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes)
  2744             if test x$have_clock_gettime = xyes; then
  2745                AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2746                EXTRA_LDFLAGS="$EXTRA_LDFLAGS"
  2747             fi
  2748         fi
  2749     fi
  2750 }
  2751 
  2752 dnl Check for a valid linux/version.h
  2753 CheckLinuxVersion()
  2754 {
  2755     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
  2756     if test x$have_linux_version_h = xyes; then
  2757         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
  2758     fi
  2759 }
  2760 
  2761 dnl Check if we want to use RPATH
  2762 CheckRPATH()
  2763 {
  2764     AC_ARG_ENABLE(rpath,
  2765 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
  2766                   , enable_rpath=yes)
  2767 }
  2768 
  2769 dnl Set up the configuration based on the host platform!
  2770 case "$host" in
  2771     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*)
  2772         case "$host" in
  2773             *-raspberry-linux*)
  2774                 # Raspberry Pi
  2775                 ARCH=linux
  2776                 RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
  2777                 CFLAGS="$CFLAGS $RPI_CFLAGS"
  2778                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
  2779                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
  2780                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L/opt/vc/lib -lbcm_host -ldl"
  2781 
  2782                 if test x$enable_video = xyes; then
  2783                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
  2784                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
  2785                 fi
  2786                 ;;
  2787             *-*-androideabi*)
  2788                 # Android
  2789                 ARCH=android
  2790                 ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"
  2791                 CFLAGS="$CFLAGS $ANDROID_CFLAGS"
  2792                 SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS"
  2793                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS"
  2794                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid"
  2795 
  2796                 if test x$enable_video = xyes; then
  2797                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
  2798                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
  2799                     SUMMARY_video="${SUMMARY_video} android"
  2800                 fi
  2801                 ;;
  2802             *-*-linux*)         ARCH=linux ;;
  2803             *-*-uclinux*)       ARCH=linux ;;
  2804             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
  2805             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
  2806             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
  2807             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
  2808             *-*-bsdi*)          ARCH=bsdi ;;
  2809             *-*-freebsd*)       ARCH=freebsd ;;
  2810             *-*-dragonfly*)     ARCH=freebsd ;;
  2811             *-*-netbsd*)        ARCH=netbsd ;;
  2812             *-*-openbsd*)       ARCH=openbsd ;;
  2813             *-*-sysv5*)         ARCH=sysv5 ;;
  2814             *-*-solaris*)       ARCH=solaris ;;
  2815             *-*-hpux*)          ARCH=hpux ;;
  2816             *-*-aix*)           ARCH=aix ;;
  2817             *-*-minix*)         ARCH=minix ;;
  2818         esac
  2819         CheckVisibilityHidden
  2820         CheckDummyVideo
  2821         CheckDiskAudio
  2822         CheckDummyAudio
  2823         CheckDLOPEN
  2824         CheckOSS
  2825         CheckALSA
  2826         CheckPulseAudio
  2827         CheckARTSC
  2828         CheckESD
  2829         CheckNAS
  2830         CheckSNDIO
  2831         CheckX11
  2832         CheckDirectFB
  2833         CheckFusionSound
  2834         CheckOpenGLX11
  2835         CheckOpenGLESX11
  2836         CheckMir
  2837         CheckWayland
  2838         CheckLibUDev
  2839         CheckDBus
  2840         CheckIBus
  2841         CheckInputEvents
  2842         CheckInputKD
  2843         CheckTslib
  2844         CheckUSBHID
  2845         CheckPTHREAD
  2846         CheckClockGettime
  2847         CheckLinuxVersion
  2848         CheckRPATH
  2849         CheckMX6Video
  2850         # Set up files for the audio library
  2851         if test x$enable_audio = xyes; then
  2852           case $ARCH in
  2853             sysv5|solaris|hpux)
  2854                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ])
  2855                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  2856                 have_audio=yes
  2857             ;;
  2858             netbsd)  # Don't use this on OpenBSD, it's busted.
  2859                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD, 1, [ ])
  2860                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
  2861                 have_audio=yes
  2862             ;;
  2863             aix)
  2864                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ])
  2865                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
  2866                 have_audio=yes
  2867             ;;
  2868             android)
  2869                 AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ])
  2870                 SOURCES="$SOURCES $srcdir/src/audio/android/*.c"
  2871                 SUMMARY_audio="${SUMMARY_audio} android"
  2872                 have_audio=yes
  2873             ;;
  2874           esac
  2875         fi
  2876         # Set up files for the joystick library
  2877         if test x$enable_joystick = xyes; then
  2878           case $ARCH in
  2879             linux)
  2880                 AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ])
  2881                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
  2882                 have_joystick=yes
  2883             ;;
  2884             android)
  2885                 AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ])
  2886                 SOURCES="$SOURCES $srcdir/src/joystick/android/*.c"
  2887                 have_joystick=yes
  2888             ;;
  2889           esac
  2890         fi
  2891         # Set up files for the haptic library
  2892         if test x$enable_haptic = xyes; then
  2893            if test x$use_input_events = xyes; then
  2894              case $ARCH in
  2895                linux)
  2896                    AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ])
  2897                    SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"
  2898                    have_haptic=yes
  2899                ;;
  2900              esac
  2901            fi
  2902         fi
  2903         # Set up files for the power library
  2904         if test x$enable_power = xyes; then
  2905              case $ARCH in
  2906                linux)
  2907                    AC_DEFINE(SDL_POWER_LINUX, 1, [ ])
  2908                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"
  2909                    have_power=yes
  2910                ;;
  2911                android)
  2912                    AC_DEFINE(SDL_POWER_ANDROID, 1, [ ])
  2913                    SOURCES="$SOURCES $srcdir/src/power/android/*.c"
  2914                    have_power=yes
  2915                ;;
  2916              esac
  2917         fi
  2918         # Set up files for the filesystem library
  2919         if test x$enable_filesystem = xyes; then
  2920             AC_DEFINE(SDL_FILESYSTEM_UNIX, 1, [ ])
  2921             SOURCES="$SOURCES $srcdir/src/filesystem/unix/*.c"
  2922             have_filesystem=yes
  2923         fi
  2924         # Set up files for the timer library
  2925         if test x$enable_timers = xyes; then
  2926             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  2927             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2928             have_timers=yes
  2929         fi
  2930         # Set up files for udev hotplugging support
  2931         if test x$enable_libudev = xyes && test x$have_libudev_h_hdr = xyes; then
  2932             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_udev.c"               
  2933         fi
  2934         # Set up files for evdev input
  2935         if test x$use_input_events = xyes; then
  2936             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev.c"
  2937         fi       
  2938         ;;
  2939     *-*-cygwin* | *-*-mingw32*)
  2940         ARCH=win32
  2941         if test "$build" != "$host"; then # cross-compiling
  2942             # Default cross-compile location
  2943             ac_default_prefix=/usr/local/cross-tools/$host
  2944         else
  2945             # Look for the location of the tools and install there
  2946             if test "$BUILD_PREFIX" != ""; then
  2947                 ac_default_prefix=$BUILD_PREFIX
  2948             fi
  2949         fi
  2950         CheckDummyVideo
  2951         CheckDiskAudio
  2952         CheckDummyAudio
  2953         CheckWINDOWS
  2954         CheckWINDOWSGL
  2955         CheckWINDOWSGLES
  2956         CheckDIRECTX
  2957 
  2958         # Set up the core platform files
  2959         SOURCES="$SOURCES $srcdir/src/core/windows/*.c"
  2960 
  2961         # Set up files for the video library
  2962         if test x$enable_video = xyes; then
  2963             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])
  2964             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
  2965             have_video=yes
  2966             AC_ARG_ENABLE(render-d3d,
  2967 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
  2968                                 , enable_render_d3d=yes)
  2969             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
  2970                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])
  2971             fi
  2972             if test x$enable_render_d3d = xyes -a x$have_d3d11 = xyes; then
  2973                 AC_DEFINE(SDL_VIDEO_RENDER_D3D11, 1, [ ])
  2974             fi
  2975         fi
  2976         # Set up files for the audio library
  2977         if test x$enable_audio = xyes; then
  2978             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])
  2979             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"
  2980             if test x$have_dsound = xyes; then
  2981                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])
  2982                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"
  2983             fi
  2984             if test x$have_xaudio2 = xyes; then
  2985                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
  2986                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
  2987             fi
  2988             have_audio=yes
  2989         fi
  2990         # Set up files for the joystick library
  2991         if test x$enable_joystick = xyes; then
  2992             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
  2993                 if test x$have_xinput = xyes; then
  2994                     AC_DEFINE(SDL_JOYSTICK_XINPUT, 1, [ ])
  2995                 fi
  2996                 if test x$have_dinput = xyes; then
  2997                     AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ])
  2998                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8"
  2999                 fi
  3000             else
  3001                 AC_DEFINE(SDL_JOYSTICK_WINMM, 1, [ ])
  3002             fi
  3003             SOURCES="$SOURCES $srcdir/src/joystick/windows/*.c"
  3004             have_joystick=yes
  3005         fi
  3006         if test x$enable_haptic = xyes; then
  3007             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
  3008                 if test x$have_xinput = xyes; then
  3009                     AC_DEFINE(SDL_HAPTIC_XINPUT, 1, [ ])
  3010                 fi
  3011                 if test x$have_dinput = xyes; then
  3012                     AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ])
  3013                 fi
  3014                 SOURCES="$SOURCES $srcdir/src/haptic/windows/*.c"
  3015                 have_haptic=yes
  3016             fi
  3017         fi
  3018         if test x$enable_power = xyes; then
  3019             AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ])
  3020             SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c"
  3021             have_power=yes
  3022         fi
  3023         if test x$enable_filesystem = xyes; then
  3024             AC_DEFINE(SDL_FILESYSTEM_WINDOWS, 1, [ ])
  3025             SOURCES="$SOURCES $srcdir/src/filesystem/windows/SDL_sysfilesystem.c"
  3026             have_filesystem=yes
  3027         fi
  3028         # Set up files for the thread library
  3029         if test x$enable_threads = xyes; then
  3030             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])
  3031             SOURCES="$SOURCES $srcdir/src/thread/windows/*.c"
  3032             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  3033             have_threads=yes
  3034         fi
  3035         # Set up files for the timer library
  3036         if test x$enable_timers = xyes; then
  3037             AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ])
  3038             SOURCES="$SOURCES $srcdir/src/timer/windows/*.c"
  3039             have_timers=yes
  3040         fi
  3041         # Set up files for the shared object loading library
  3042         if test x$enable_loadso = xyes; then
  3043             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])
  3044             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"
  3045             have_loadso=yes
  3046         fi
  3047         # Set up the system libraries we need
  3048         if test -f /lib/w32api/libuuid.a; then
  3049             LIBUUID=/lib/w32api/libuuid.a
  3050         else
  3051             LIBUUID=-luuid
  3052         fi
  3053         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion $LIBUUID -XCClinker -static-libgcc"
  3054         # The Windows platform requires special setup
  3055         VERSION_SOURCES="$srcdir/src/main/windows/*.rc"
  3056         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
  3057         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
  3058         SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows"
  3059 
  3060         # Check to see if this is a mingw or cygwin build
  3061         have_mingw32=
  3062         AC_CHECK_LIB(mingw32, main, [have_mingw32=yes])
  3063         if test x$have_mingw32 = xyes; then
  3064             SDL_LIBS="-lmingw32 $SDL_LIBS"
  3065         else
  3066             SDL_LIBS="-lcygwin $SDL_LIBS"
  3067         fi
  3068         ;;
  3069 
  3070     dnl BeOS support removed after SDL 2.0.1. Haiku still works.  --ryan.
  3071     *-*-beos*)
  3072         AC_MSG_ERROR([
  3073 *** BeOS support has been removed as of SDL 2.0.2.
  3074         ])
  3075         ;;
  3076 
  3077     *-*-haiku*)
  3078         ARCH=haiku
  3079         ac_default_prefix=/boot/system
  3080         CheckDummyVideo
  3081         CheckDiskAudio
  3082         CheckDummyAudio
  3083         CheckHaikuVideo
  3084         CheckHaikuGL
  3085         CheckPTHREAD
  3086 
  3087         # Set up files for the audio library
  3088         if test x$enable_audio = xyes; then
  3089             AC_DEFINE(SDL_AUDIO_DRIVER_HAIKU, 1, [ ])
  3090             SOURCES="$SOURCES $srcdir/src/audio/haiku/*.cc"
  3091             have_audio=yes
  3092         fi
  3093         # Set up files for the joystick library
  3094         if test x$enable_joystick = xyes; then
  3095             AC_DEFINE(SDL_JOYSTICK_HAIKU, 1, [ ])
  3096             SOURCES="$SOURCES $srcdir/src/joystick/haiku/*.cc"
  3097             have_joystick=yes
  3098         fi
  3099         # Set up files for the timer library
  3100         if test x$enable_timers = xyes; then
  3101             AC_DEFINE(SDL_TIMER_HAIKU, 1, [ ])
  3102             SOURCES="$SOURCES $srcdir/src/timer/haiku/*.c"
  3103             have_timers=yes
  3104         fi
  3105         # Set up files for the shared object loading library
  3106         if test x$enable_loadso = xyes; then
  3107             AC_DEFINE(SDL_LOADSO_HAIKU, 1, [ ])
  3108             SOURCES="$SOURCES $srcdir/src/loadso/haiku/*.c"
  3109             have_loadso=yes
  3110         fi
  3111         # Set up files for the system power library
  3112         if test x$enable_power = xyes; then
  3113             AC_DEFINE(SDL_POWER_HAIKU, 1, [ ])
  3114             SOURCES="$SOURCES $srcdir/src/power/haiku/*.c"
  3115             have_power=yes
  3116         fi
  3117         # Set up files for the system filesystem library
  3118         if test x$enable_filesystem = xyes; then
  3119             AC_DEFINE(SDL_FILESYSTEM_HAIKU, 1, [ ])
  3120             SOURCES="$SOURCES $srcdir/src/filesystem/haiku/*.cc"
  3121             have_filesystem=yes
  3122         fi
  3123         # The Haiku platform requires special setup.
  3124         SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES"
  3125         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
  3126         ;;
  3127     arm*-apple-darwin*)
  3128         # iOS - We are not writing anything to confdefs.h because you have to replace
  3129         # SDL_config.h for SDL_config_iphoneos.h anyway
  3130         ARCH=ios
  3131 
  3132         CheckVisibilityHidden
  3133         CheckDummyVideo
  3134         CheckDiskAudio
  3135         CheckDummyAudio
  3136         CheckDLOPEN
  3137         CheckCOCOA
  3138         CheckPTHREAD
  3139 
  3140 
  3141         # Set up files for the audio library
  3142         if test x$enable_audio = xyes; then
  3143             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  3144             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3145             have_audio=yes
  3146         fi
  3147         # Set up files for the joystick library
  3148         if test x$enable_joystick = xyes; then
  3149             SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m"
  3150             have_joystick=yes
  3151         fi
  3152         # Set up files for the haptic library
  3153         #if test x$enable_haptic = xyes; then
  3154         #    SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3155         #    have_haptic=yes
  3156         #    EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3157         #fi
  3158         # Set up files for the power library
  3159         if test x$enable_power = xyes; then
  3160             SOURCES="$SOURCES $srcdir/src/power/uikit/*.m"
  3161             have_power=yes
  3162         fi
  3163         # Set up files for the filesystem library
  3164         if test x$enable_filesystem = xyes; then
  3165             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3166             have_filesystem=yes
  3167         fi
  3168         # Set up files for the timer library
  3169         if test x$enable_timers = xyes; then
  3170             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3171             have_timers=yes
  3172         fi
  3173         # Set up additional files for the file library
  3174         if test x$enable_file = xyes; then
  3175             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3176         fi
  3177         # The iOS platform requires special setup.
  3178         SOURCES="$SOURCES $srcdir/src/video/uikit/*.m"
  3179         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3180         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -liconv -lobjc"
  3181         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Foundation"
  3182         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"
  3183         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGLES"
  3184         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"
  3185         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio"
  3186         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox"
  3187         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreGraphics"
  3188         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreMotion"
  3189         ;;
  3190     *-*-darwin* )
  3191         # This could be either full "Mac OS X", or plain "Darwin" which is
  3192         # just the OS X kernel sans upper layers like Carbon and Cocoa.
  3193         # Next line is broken, and a few files below require Mac OS X (full)
  3194         ARCH=macosx
  3195 
  3196         # Mac OS X builds with both the Carbon and OSX APIs at the moment
  3197         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
  3198         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
  3199 
  3200         CheckVisibilityHidden
  3201         CheckDummyVideo
  3202         CheckDiskAudio
  3203         CheckDummyAudio
  3204         CheckDLOPEN
  3205         CheckCOCOA
  3206         CheckX11
  3207         CheckMacGL
  3208         CheckOpenGLX11
  3209         CheckPTHREAD
  3210 
  3211         # Set up files for the audio library
  3212         if test x$enable_audio = xyes; then
  3213             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
  3214             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  3215             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3216             have_audio=yes
  3217         fi
  3218         # Set up files for the joystick library
  3219         if test x$enable_joystick = xyes; then
  3220             AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ])
  3221             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
  3222             have_joystick=yes
  3223         fi
  3224         # Set up files for the haptic library
  3225         if test x$enable_haptic = xyes; then
  3226             AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ])
  3227             SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3228             have_haptic=yes
  3229             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3230         fi
  3231         # Set up files for the power library
  3232         if test x$enable_power = xyes; then
  3233             AC_DEFINE(SDL_POWER_MACOSX, 1, [ ])
  3234             SOURCES="$SOURCES $srcdir/src/power/macosx/*.c"
  3235             have_power=yes
  3236         fi
  3237         # Set up files for the filesystem library
  3238         if test x$enable_filesystem = xyes; then
  3239             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])
  3240             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3241             have_filesystem=yes
  3242         fi
  3243         # Set up files for the timer library
  3244         if test x$enable_timers = xyes; then
  3245             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3246             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3247             have_timers=yes
  3248         fi
  3249         # Set up additional files for the file library
  3250         if test x$enable_file = xyes; then
  3251             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3252         fi
  3253         # The Mac OS X platform requires special setup.
  3254         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3255         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc"
  3256         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreVideo"
  3257         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
  3258         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
  3259         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
  3260         # If audio is used, add the AudioUnit framework
  3261         if test x$enable_audio = xyes; then
  3262             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit"
  3263         fi
  3264         ;;
  3265     *-nacl|*-pnacl)
  3266         ARCH=nacl
  3267         CheckNativeClient
  3268         CheckDummyAudio
  3269         CheckDummyVideo
  3270         CheckInputEvents
  3271         CheckPTHREAD
  3272         
  3273         # Set up files for the timer library
  3274         if test x$enable_timers = xyes; then
  3275             AC_DEFINE(SDL_TIMER_UNIX)
  3276             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3277             have_timers=yes
  3278         fi
  3279         
  3280         if test x$enable_filesystem = xyes; then
  3281             AC_DEFINE(SDL_FILESYSTEM_NACL, 1, [ ])
  3282             SOURCES="$SOURCES $srcdir/src/filesystem/nacl/*.c"
  3283             have_filesystem=yes
  3284         fi
  3285         
  3286         ;;
  3287     *)
  3288         AC_MSG_ERROR([
  3289 *** Unsupported host:  Please add to configure.in
  3290         ])
  3291         ;;
  3292 esac
  3293 
  3294 dnl Do this on all platforms, after everything else.
  3295 CheckWarnAll
  3296 CheckWarnShadow
  3297 
  3298 # Verify that we have all the platform specific files we need
  3299 
  3300 if test x$have_joystick != xyes; then
  3301     if test x$enable_joystick = xyes; then
  3302         AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
  3303     fi
  3304     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
  3305 fi
  3306 if test x$have_haptic != xyes; then
  3307     if test x$enable_haptic = xyes; then
  3308         AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
  3309     fi
  3310     SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c"
  3311 fi
  3312 if test x$have_threads != xyes; then
  3313     if test x$enable_threads = xyes; then
  3314         AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
  3315     fi
  3316     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
  3317 fi
  3318 if test x$have_timers != xyes; then
  3319     if test x$enable_timers = xyes; then
  3320         AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
  3321     fi
  3322     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
  3323 fi
  3324 if test x$have_filesystem != xyes; then
  3325     if test x$enable_filesystem = xyes; then
  3326         AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
  3327     fi
  3328     SOURCES="$SOURCES $srcdir/src/filesystem/dummy/*.c"
  3329 fi
  3330 if test x$have_loadso != xyes; then
  3331     if test x$enable_loadso = xyes; then
  3332         AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
  3333     fi
  3334     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
  3335 fi
  3336 if test x$SDLMAIN_SOURCES = x; then
  3337     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
  3338 fi
  3339 SDLTEST_SOURCES="$srcdir/src/test/*.c"
  3340 
  3341 OBJECTS=`echo $SOURCES`
  3342 DEPENDS=`echo $SOURCES | tr ' ' '\n'`
  3343 for EXT in asm cc m c S; do
  3344     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`
  3345     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\
  3346 \\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
  3347 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3348 done
  3349 
  3350 VERSION_OBJECTS=`echo $VERSION_SOURCES`
  3351 VERSION_DEPENDS=`echo $VERSION_SOURCES`
  3352 VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
  3353 VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\
  3354 \\$(objects)/\\2.o: \\1/\\2.rc\\\\
  3355 	\\$(WINDRES) \\$< \\$@,g"`
  3356 
  3357 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
  3358 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
  3359 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3360 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3361 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3362 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3363 
  3364 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`
  3365 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`
  3366 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3367 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3368 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3369 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3370 
  3371 # Set runtime shared library paths as needed
  3372 
  3373 if test "x$enable_rpath" = "xyes"; then
  3374   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
  3375     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
  3376   fi
  3377   if test $ARCH = solaris; then
  3378     SDL_RLD_FLAGS="-R\${libdir}"
  3379   fi
  3380 else
  3381   SDL_RLD_FLAGS=""
  3382 fi
  3383 
  3384 SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
  3385 
  3386 dnl Expand the cflags and libraries needed by apps using SDL
  3387 AC_SUBST(SDL_CFLAGS)
  3388 AC_SUBST(SDL_LIBS)
  3389 AC_SUBST(SDL_STATIC_LIBS)
  3390 AC_SUBST(SDL_RLD_FLAGS)
  3391 if test x$enable_shared = xyes; then
  3392     ENABLE_SHARED_TRUE=
  3393     ENABLE_SHARED_FALSE="#"
  3394 else
  3395     ENABLE_SHARED_TRUE="#"
  3396     ENABLE_SHARED_FALSE=
  3397 fi
  3398 if test x$enable_static = xyes; then
  3399     ENABLE_STATIC_TRUE=
  3400     ENABLE_STATIC_FALSE="#"
  3401 else
  3402     ENABLE_STATIC_TRUE="#"
  3403     ENABLE_STATIC_FALSE=
  3404 fi
  3405 AC_SUBST(ENABLE_SHARED_TRUE)
  3406 AC_SUBST(ENABLE_SHARED_FALSE)
  3407 AC_SUBST(ENABLE_STATIC_TRUE)
  3408 AC_SUBST(ENABLE_STATIC_FALSE)
  3409 
  3410 dnl Expand the sources and objects needed to build the library
  3411 AC_SUBST(ac_aux_dir)
  3412 AC_SUBST(INCLUDE)
  3413 AC_SUBST(OBJECTS)
  3414 AC_SUBST(VERSION_OBJECTS)
  3415 AC_SUBST(SDLMAIN_OBJECTS)
  3416 AC_SUBST(SDLTEST_OBJECTS)
  3417 AC_SUBST(BUILD_CFLAGS)
  3418 AC_SUBST(EXTRA_CFLAGS)
  3419 AC_SUBST(BUILD_LDFLAGS)
  3420 AC_SUBST(EXTRA_LDFLAGS)
  3421 AC_SUBST(WINDRES)
  3422 
  3423 cat >Makefile.rules <<__EOF__
  3424 
  3425 # Build rules for objects
  3426 -include \$(OBJECTS:.lo=.d)
  3427 
  3428 # Special dependency for SDL.c, since it depends on SDL_revision.h
  3429 $srcdir/src/SDL.c: update-revision
  3430 $DEPENDS
  3431 $VERSION_DEPENDS
  3432 $SDLMAIN_DEPENDS
  3433 $SDLTEST_DEPENDS
  3434 __EOF__
  3435 
  3436 AC_CONFIG_FILES([
  3437     Makefile:Makefile.in:Makefile.rules sdl2-config SDL2.spec sdl2.pc
  3438 ])
  3439 AC_CONFIG_COMMANDS([sdl2_config],[chmod a+x sdl2-config])
  3440 
  3441 SUMMARY="SDL2 Configure Summary:\n"
  3442 if test x$enable_shared = xyes; then
  3443     SUMMARY="${SUMMARY}Building Shared Libraries\n"
  3444 fi
  3445 if test x$enable_static = xyes; then
  3446     SUMMARY="${SUMMARY}Building Static Libraries\n"
  3447 fi
  3448 SUMMARY="${SUMMARY}Enabled modules :${SUMMARY_modules}\n"
  3449 SUMMARY="${SUMMARY}Assembly Math   :${SUMMARY_math}\n" 
  3450 SUMMARY="${SUMMARY}Audio drivers   :${SUMMARY_audio}\n"
  3451 SUMMARY="${SUMMARY}Video drivers   :${SUMMARY_video}\n"
  3452 if test x$have_x = xyes; then
  3453     SUMMARY="${SUMMARY}X11 libraries   :${SUMMARY_video_x11}\n"
  3454 fi
  3455 SUMMARY="${SUMMARY}Input drivers   :${SUMMARY_input}\n"
  3456 if test x$enable_libudev = xyes; then
  3457     SUMMARY="${SUMMARY}Using libudev   : YES\n"
  3458 else
  3459     SUMMARY="${SUMMARY}Using libudev   : NO\n"
  3460 fi
  3461 if test x$have_dbus_dbus_h_hdr = xyes; then
  3462     SUMMARY="${SUMMARY}Using dbus      : YES\n"
  3463 else
  3464     SUMMARY="${SUMMARY}Using dbus      : NO\n"
  3465 fi
  3466 if test x$have_ibus_ibus_h_hdr = xyes; then
  3467     SUMMARY="${SUMMARY}Using ibus      : YES\n"
  3468 else
  3469     SUMMARY="${SUMMARY}Using ibus      : NO\n"
  3470 fi
  3471 AC_CONFIG_COMMANDS([summary], [echo -en "$SUMMARY"], [SUMMARY="$SUMMARY"])
  3472 
  3473 AC_OUTPUT