configure.in
author Sam Lantinga <slouken@libsdl.org>
Fri, 18 Apr 2014 12:43:10 -0700
changeset 8720 97d23eef62fd
parent 8714 4e57cfd9fca8
child 8731 ede9d13dad21
permissions -rw-r--r--
Fixed logic error loading DXGI
     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="$CFLAGS"
     9 
    10 dnl Set various version strings - taken gratefully from the GTk sources
    11 #
    12 # Making releases:
    13 # Edit include/SDL_version.h and change the version, then:
    14 #   SDL_MICRO_VERSION += 1;
    15 #   SDL_INTERFACE_AGE += 1;
    16 #   SDL_BINARY_AGE += 1;
    17 # if any functions have been added, set SDL_INTERFACE_AGE to 0.
    18 # if backwards compatibility has been broken,
    19 # set SDL_BINARY_AGE and SDL_INTERFACE_AGE to 0.
    20 #
    21 SDL_MAJOR_VERSION=2
    22 SDL_MINOR_VERSION=0
    23 SDL_MICRO_VERSION=3
    24 SDL_INTERFACE_AGE=1
    25 SDL_BINARY_AGE=3
    26 SDL_VERSION=$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="$EXTRA_LDFLAGS -lm"])
   274     AC_CHECK_FUNCS(atan atan2 acos asin ceil copysign cos cosf fabs floor log pow scalbn sin sinf sqrt)
   275 
   276     AC_CHECK_LIB(iconv, iconv_open, [LIBS="$LIBS -liconv"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -liconv"])
   277     AC_CHECK_FUNCS(iconv)
   278 
   279     AC_CHECK_MEMBER(struct sigaction.sa_sigaction,[AC_DEFINE(HAVE_SA_SIGACTION)], ,[#include <signal.h>])
   280 fi
   281 
   282 dnl AC_CHECK_SIZEOF(void*)
   283 
   284 dnl See whether we can use gcc atomic operations on this architecture
   285 AC_ARG_ENABLE(gcc-atomics,
   286 AC_HELP_STRING([--enable-gcc-atomics],
   287                [Use gcc builtin atomics [[default=yes]]]),
   288               , enable_gcc_atomics=yes)
   289 if test x$enable_gcc_atomics = xyes; then
   290     have_gcc_atomics=no
   291     AC_MSG_CHECKING(for GCC builtin atomic operations)
   292     AC_TRY_LINK([
   293     ],[
   294     int a;
   295     void *x, *y, *z;
   296     __sync_lock_test_and_set(&a, 4);
   297     __sync_lock_test_and_set(&x, y);
   298     __sync_fetch_and_add(&a, 1);
   299     __sync_bool_compare_and_swap(&a, 5, 10);
   300     __sync_bool_compare_and_swap(&x, y, z);
   301     ],[
   302     have_gcc_atomics=yes
   303     ])
   304     AC_MSG_RESULT($have_gcc_atomics)
   305 
   306     if test x$have_gcc_atomics = xyes; then
   307         AC_DEFINE(HAVE_GCC_ATOMICS, 1, [ ])
   308     else
   309         # See if we have the minimum operation needed for GCC atomics
   310         AC_TRY_LINK([
   311         ],[
   312         int a;
   313         __sync_lock_test_and_set(&a, 1);
   314         __sync_lock_release(&a);
   315         ],[
   316         have_gcc_sync_lock_test_and_set=yes
   317         ])
   318         if test x$have_gcc_sync_lock_test_and_set = xyes; then
   319             AC_DEFINE(HAVE_GCC_SYNC_LOCK_TEST_AND_SET, 1, [ ])
   320         fi
   321     fi
   322 fi
   323 
   324 # Standard C sources
   325 SOURCES="$SOURCES $srcdir/src/*.c"
   326 SOURCES="$SOURCES $srcdir/src/atomic/*.c"
   327 SOURCES="$SOURCES $srcdir/src/audio/*.c"
   328 SOURCES="$SOURCES $srcdir/src/cpuinfo/*.c"
   329 SOURCES="$SOURCES $srcdir/src/dynapi/*.c"
   330 SOURCES="$SOURCES $srcdir/src/events/*.c"
   331 SOURCES="$SOURCES $srcdir/src/file/*.c"
   332 SOURCES="$SOURCES $srcdir/src/haptic/*.c"
   333 SOURCES="$SOURCES $srcdir/src/joystick/*.c"
   334 SOURCES="$SOURCES $srcdir/src/libm/*.c"
   335 SOURCES="$SOURCES $srcdir/src/power/*.c"
   336 #SOURCES="$SOURCES $srcdir/src/filesystem/*.c"
   337 SOURCES="$SOURCES $srcdir/src/render/*.c"
   338 SOURCES="$SOURCES $srcdir/src/render/*/*.c"
   339 SOURCES="$SOURCES $srcdir/src/stdlib/*.c"
   340 SOURCES="$SOURCES $srcdir/src/thread/*.c"
   341 SOURCES="$SOURCES $srcdir/src/timer/*.c"
   342 SOURCES="$SOURCES $srcdir/src/video/*.c"
   343 
   344 dnl Enable/disable various subsystems of the SDL library
   345 
   346 AC_ARG_ENABLE(atomic,
   347 AC_HELP_STRING([--enable-atomic], [Enable the atomic operations subsystem [[default=yes]]]),
   348               , enable_atomic=yes)
   349 if test x$enable_atomic != xyes; then
   350     AC_DEFINE(SDL_ATOMIC_DISABLED, 1, [ ])
   351 else
   352     SUMMARY_modules="${SUMMARY_modules} atomic"
   353 fi
   354 AC_ARG_ENABLE(audio,
   355 AC_HELP_STRING([--enable-audio], [Enable the audio subsystem [[default=yes]]]),
   356               , enable_audio=yes)
   357 if test x$enable_audio != xyes; then
   358     AC_DEFINE(SDL_AUDIO_DISABLED, 1, [ ])
   359 else
   360     SUMMARY_modules="${SUMMARY_modules} audio"
   361 fi
   362 AC_ARG_ENABLE(video,
   363 AC_HELP_STRING([--enable-video], [Enable the video subsystem [[default=yes]]]),
   364               , enable_video=yes)
   365 if test x$enable_video != xyes; then
   366     AC_DEFINE(SDL_VIDEO_DISABLED, 1, [ ])
   367 else
   368     SUMMARY_modules="${SUMMARY_modules} video"
   369 fi
   370 AC_ARG_ENABLE(render,
   371 AC_HELP_STRING([--enable-render], [Enable the render subsystem [[default=yes]]]),
   372               , enable_render=yes)
   373 if test x$enable_render != xyes; then
   374     AC_DEFINE(SDL_RENDER_DISABLED, 1, [ ])
   375 else
   376     SUMMARY_modules="${SUMMARY_modules} render"
   377 fi
   378 AC_ARG_ENABLE(events,
   379 AC_HELP_STRING([--enable-events], [Enable the events subsystem [[default=yes]]]),
   380               , enable_events=yes)
   381 if test x$enable_events != xyes; then
   382     AC_DEFINE(SDL_EVENTS_DISABLED, 1, [ ])
   383 else
   384     SUMMARY_modules="${SUMMARY_modules} events"
   385 fi
   386 AC_ARG_ENABLE(joystick,
   387 AC_HELP_STRING([--enable-joystick], [Enable the joystick subsystem [[default=yes]]]),
   388               , enable_joystick=yes)
   389 if test x$enable_joystick != xyes; then
   390     AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
   391 else
   392     SUMMARY_modules="${SUMMARY_modules} joystick"
   393 fi
   394 AC_ARG_ENABLE(haptic,
   395 AC_HELP_STRING([--enable-haptic], [Enable the haptic (force feedback) subsystem [[default=yes]]]),
   396               , enable_haptic=yes)
   397 if test x$enable_haptic != xyes; then
   398     AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
   399 else
   400     SUMMARY_modules="${SUMMARY_modules} haptic"
   401 fi
   402 AC_ARG_ENABLE(power,
   403 AC_HELP_STRING([--enable-power], [Enable the power subsystem [[default=yes]]]),
   404               , enable_power=yes)
   405 if test x$enable_power != xyes; then
   406     AC_DEFINE(SDL_POWER_DISABLED, 1, [ ])
   407 else
   408     SUMMARY_modules="${SUMMARY_modules} power"
   409 fi
   410 AC_ARG_ENABLE(filesystem,
   411 AC_HELP_STRING([--enable-filesystem], [Enable the filesystem subsystem [[default=yes]]]),
   412               , enable_filesystem=yes)
   413 if test x$enable_filesystem != xyes; then
   414     AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
   415 else
   416     SUMMARY_modules="${SUMMARY_modules} filesystem"
   417 fi
   418 AC_ARG_ENABLE(threads,
   419 AC_HELP_STRING([--enable-threads], [Enable the threading subsystem [[default=yes]]]),
   420               , enable_threads=yes)
   421 if test x$enable_threads != xyes; then
   422     AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
   423 else
   424     SUMMARY_modules="${SUMMARY_modules} threads"
   425 fi
   426 AC_ARG_ENABLE(timers,
   427 AC_HELP_STRING([--enable-timers], [Enable the timer subsystem [[default=yes]]]),
   428               , enable_timers=yes)
   429 if test x$enable_timers != xyes; then
   430     AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
   431 else
   432     SUMMARY_modules="${SUMMARY_modules} timers"
   433 fi
   434 AC_ARG_ENABLE(file,
   435 AC_HELP_STRING([--enable-file], [Enable the file subsystem [[default=yes]]]),
   436               , enable_file=yes)
   437 if test x$enable_file != xyes; then
   438     AC_DEFINE(SDL_FILE_DISABLED, 1, [ ])
   439 else
   440     SUMMARY_modules="${SUMMARY_modules} file"
   441 fi
   442 AC_ARG_ENABLE(loadso,
   443 AC_HELP_STRING([--enable-loadso], [Enable the shared object loading subsystem [[default=yes]]]),
   444               , enable_loadso=yes)
   445 if test x$enable_loadso != xyes; then
   446     AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
   447 else
   448     SUMMARY_modules="${SUMMARY_modules} loadso"
   449 fi
   450 AC_ARG_ENABLE(cpuinfo,
   451 AC_HELP_STRING([--enable-cpuinfo], [Enable the cpuinfo subsystem [[default=yes]]]),
   452               , enable_cpuinfo=yes)
   453 if test x$enable_cpuinfo != xyes; then
   454     AC_DEFINE(SDL_CPUINFO_DISABLED, 1, [ ])
   455 else
   456     SUMMARY_modules="${SUMMARY_modules} cpuinfo"
   457 fi
   458 AC_ARG_ENABLE(assembly,
   459 AC_HELP_STRING([--enable-assembly], [Enable assembly routines [[default=yes]]]),
   460               , enable_assembly=yes)
   461 if test x$enable_assembly = xyes; then
   462     SUMMARY_modules="${SUMMARY_modules} assembly"
   463 
   464     AC_DEFINE(SDL_ASSEMBLY_ROUTINES, 1, [ ])
   465 
   466     # Make sure that we don't generate floating point code that would
   467     # cause illegal instruction exceptions on older processors
   468     case "$host" in
   469         *-*-darwin*)
   470             # Don't need to worry about Apple hardware, it's all SSE capable
   471             default_ssemath=yes
   472             ;;
   473         *64-*-*)
   474             # x86 64-bit architectures all have SSE instructions
   475             default_ssemath=yes
   476             ;;
   477         *)
   478             default_ssemath=no
   479             ;;
   480     esac
   481     AC_ARG_ENABLE(ssemath,
   482 AC_HELP_STRING([--enable-ssemath], [Allow GCC to use SSE floating point math [[default=no]]]),
   483                   , enable_ssemath=$default_ssemath)
   484     if test x$enable_ssemath = xno; then
   485         if test x$have_gcc_sse = xyes -o x$have_gcc_sse2 = xyes; then
   486             EXTRA_CFLAGS="$EXTRA_CFLAGS -mfpmath=387"
   487         fi
   488     fi
   489 
   490     dnl Check for various instruction support
   491     AC_ARG_ENABLE(mmx,
   492 AC_HELP_STRING([--enable-mmx], [use MMX assembly routines [[default=yes]]]),
   493                   , enable_mmx=yes)
   494     if test x$enable_mmx = xyes; then
   495         save_CFLAGS="$CFLAGS"
   496         have_gcc_mmx=no
   497         AC_MSG_CHECKING(for GCC -mmmx option)
   498         mmx_CFLAGS="-mmmx"
   499         CFLAGS="$save_CFLAGS $mmx_CFLAGS"
   500 
   501         AC_TRY_COMPILE([
   502         #ifdef __MINGW32__
   503         #include <_mingw.h>
   504         #ifdef __MINGW64_VERSION_MAJOR
   505         #include <intrin.h>
   506         #else
   507         #include <mmintrin.h>
   508         #endif
   509         #else
   510         #include <mmintrin.h>
   511         #endif
   512         #ifndef __MMX__
   513         #error Assembler CPP flag not enabled
   514         #endif
   515         ],[
   516         ],[
   517         have_gcc_mmx=yes
   518         ])
   519         AC_MSG_RESULT($have_gcc_mmx)
   520         CFLAGS="$save_CFLAGS"
   521 
   522         if test x$have_gcc_mmx = xyes; then
   523             EXTRA_CFLAGS="$EXTRA_CFLAGS $mmx_CFLAGS"
   524             SUMMARY_math="${SUMMARY_math} mmx"
   525         fi
   526     fi
   527 
   528     AC_ARG_ENABLE(3dnow,
   529 AC_HELP_STRING([--enable-3dnow], [use 3DNow! assembly routines [[default=yes]]]),
   530                   , enable_3dnow=yes)
   531     if test x$enable_3dnow = xyes; then
   532         save_CFLAGS="$CFLAGS"
   533         have_gcc_3dnow=no
   534         AC_MSG_CHECKING(for GCC -m3dnow option)
   535         amd3dnow_CFLAGS="-m3dnow"
   536         CFLAGS="$save_CFLAGS $amd3dnow_CFLAGS"
   537 
   538         AC_TRY_LINK([
   539         #include <mm3dnow.h>
   540         #ifndef __3dNOW__
   541         #error Assembler CPP flag not enabled
   542         #endif
   543         ],[
   544         void *p = 0;
   545         _m_prefetch(p);
   546         ],[
   547         have_gcc_3dnow=yes
   548         ])
   549         AC_MSG_RESULT($have_gcc_3dnow)
   550         CFLAGS="$save_CFLAGS"
   551 
   552         if test x$have_gcc_3dnow = xyes; then
   553             EXTRA_CFLAGS="$EXTRA_CFLAGS $amd3dnow_CFLAGS"
   554             SUMMARY_math="${SUMMARY_math} 3dnow"
   555         fi
   556     fi
   557 
   558     AC_ARG_ENABLE(sse,
   559 AC_HELP_STRING([--enable-sse], [use SSE assembly routines [[default=yes]]]),
   560                   , enable_sse=yes)
   561     if test x$enable_sse = xyes; then
   562         save_CFLAGS="$CFLAGS"
   563         have_gcc_sse=no
   564         AC_MSG_CHECKING(for GCC -msse option)
   565         sse_CFLAGS="-msse"
   566         CFLAGS="$save_CFLAGS $sse_CFLAGS"
   567 
   568         AC_TRY_COMPILE([
   569         #ifdef __MINGW32__
   570         #include <_mingw.h>
   571         #ifdef __MINGW64_VERSION_MAJOR
   572         #include <intrin.h>
   573         #else
   574         #include <xmmintrin.h>
   575         #endif
   576         #else
   577         #include <xmmintrin.h>
   578         #endif
   579         #ifndef __SSE__
   580         #error Assembler CPP flag not enabled
   581         #endif
   582         ],[
   583         ],[
   584         have_gcc_sse=yes
   585         ])
   586         AC_MSG_RESULT($have_gcc_sse)
   587         CFLAGS="$save_CFLAGS"
   588 
   589         if test x$have_gcc_sse = xyes; then
   590             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse_CFLAGS"
   591             SUMMARY_math="${SUMMARY_math} sse"
   592         fi
   593     fi
   594 
   595     AC_ARG_ENABLE(sse2,
   596 AC_HELP_STRING([--enable-sse2], [use SSE2 assembly routines [[default=no]]]),
   597                   , enable_sse2=$default_ssemath)
   598     if test x$enable_sse2 = xyes; then
   599         save_CFLAGS="$CFLAGS"
   600         have_gcc_sse2=no
   601         AC_MSG_CHECKING(for GCC -msse2 option)
   602         sse2_CFLAGS="-msse2"
   603         CFLAGS="$save_CFLAGS $sse2_CFLAGS"
   604 
   605         AC_TRY_COMPILE([
   606         #ifdef __MINGW32__
   607         #include <_mingw.h>
   608         #ifdef __MINGW64_VERSION_MAJOR
   609         #include <intrin.h>
   610         #else
   611         #include <emmintrin.h>
   612         #endif
   613         #else
   614         #include <emmintrin.h>
   615         #endif
   616         #ifndef __SSE2__
   617         #error Assembler CPP flag not enabled
   618         #endif
   619         ],[
   620         ],[
   621         have_gcc_sse2=yes
   622         ])
   623         AC_MSG_RESULT($have_gcc_sse2)
   624         CFLAGS="$save_CFLAGS"
   625 
   626         if test x$have_gcc_sse2 = xyes; then
   627             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse2_CFLAGS"
   628             SUMMARY_math="${SUMMARY_math} sse2"
   629         fi
   630     fi
   631 
   632     AC_ARG_ENABLE(altivec,
   633 AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]]]),
   634                   , enable_altivec=yes)
   635     if test x$enable_altivec = xyes; then
   636         save_CFLAGS="$CFLAGS"
   637         have_gcc_altivec=no
   638         have_altivec_h_hdr=no
   639         altivec_CFLAGS="-maltivec"
   640         CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   641 
   642         AC_MSG_CHECKING(for Altivec with GCC altivec.h and -maltivec option)
   643         AC_TRY_COMPILE([
   644         #include <altivec.h>
   645         vector unsigned int vzero() {
   646             return vec_splat_u32(0);
   647         }
   648         ],[
   649         ],[
   650         have_gcc_altivec=yes
   651         have_altivec_h_hdr=yes
   652         ])
   653         AC_MSG_RESULT($have_gcc_altivec)
   654 
   655         if test x$have_gcc_altivec = xno; then
   656             AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
   657             AC_TRY_COMPILE([
   658             vector unsigned int vzero() {
   659                 return vec_splat_u32(0);
   660             }
   661             ],[
   662             ],[
   663             have_gcc_altivec=yes
   664             ])
   665             AC_MSG_RESULT($have_gcc_altivec)
   666         fi
   667 
   668         if test x$have_gcc_altivec = xno; then
   669             AC_MSG_CHECKING(for Altivec with GCC altivec.h and -faltivec option)
   670             altivec_CFLAGS="-faltivec"
   671             CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   672             AC_TRY_COMPILE([
   673             #include <altivec.h>
   674             vector unsigned int vzero() {
   675                 return vec_splat_u32(0);
   676             }
   677             ],[
   678             ],[
   679             have_gcc_altivec=yes
   680             have_altivec_h_hdr=yes
   681             ])
   682             AC_MSG_RESULT($have_gcc_altivec)
   683         fi
   684 
   685         if test x$have_gcc_altivec = xno; then
   686             AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
   687             AC_TRY_COMPILE([
   688             vector unsigned int vzero() {
   689                 return vec_splat_u32(0);
   690             }
   691             ],[
   692             ],[
   693             have_gcc_altivec=yes
   694             ])
   695             AC_MSG_RESULT($have_gcc_altivec)
   696         fi
   697         CFLAGS="$save_CFLAGS"
   698 
   699         if test x$have_gcc_altivec = xyes; then
   700             AC_DEFINE(SDL_ALTIVEC_BLITTERS, 1, [ ])
   701             if test x$have_altivec_h_hdr = xyes; then
   702               AC_DEFINE(HAVE_ALTIVEC_H, 1, [ ])
   703             fi
   704             EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
   705             SUMMARY_math="${SUMMARY_math} altivec"
   706         fi
   707     fi
   708 fi
   709 
   710 dnl See if the OSS audio interface is supported
   711 CheckOSS()
   712 {
   713     AC_ARG_ENABLE(oss,
   714 AC_HELP_STRING([--enable-oss], [support the OSS audio API [[default=maybe]]]),
   715                   , enable_oss=maybe)
   716 
   717     # OpenBSD "has" OSS, but it's not really for app use. They want you to
   718     #  use sndio instead. So on there, we default to disabled. You can force
   719     #  it on if you really want, though.
   720     if test x$enable_oss = xmaybe; then
   721         enable_oss=yes
   722         case "$host" in
   723             *-*-openbsd*)
   724                 enable_oss=no;;
   725         esac
   726     fi
   727 
   728     if test x$enable_audio = xyes -a x$enable_oss = xyes; then
   729         AC_MSG_CHECKING(for OSS audio support)
   730         have_oss=no
   731         if test x$have_oss != xyes; then
   732             AC_TRY_COMPILE([
   733               #include <sys/soundcard.h>
   734             ],[
   735               int arg = SNDCTL_DSP_SETFRAGMENT;
   736             ],[
   737             have_oss=yes
   738             ])
   739         fi
   740         if test x$have_oss != xyes; then
   741             AC_TRY_COMPILE([
   742               #include <soundcard.h>
   743             ],[
   744               int arg = SNDCTL_DSP_SETFRAGMENT;
   745             ],[
   746             have_oss=yes
   747             AC_DEFINE(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H, 1, [ ])
   748             ])
   749         fi
   750         AC_MSG_RESULT($have_oss)
   751         if test x$have_oss = xyes; then
   752             SUMMARY_audio="${SUMMARY_audio} oss"
   753             AC_DEFINE(SDL_AUDIO_DRIVER_OSS, 1, [ ])
   754             SOURCES="$SOURCES $srcdir/src/audio/dsp/*.c"
   755             have_audio=yes
   756 
   757             # We may need to link with ossaudio emulation library
   758             case "$host" in
   759                 *-*-openbsd*|*-*-netbsd*)
   760                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lossaudio";;
   761             esac
   762         fi
   763     fi
   764 }
   765 
   766 dnl See if the ALSA audio interface is supported
   767 CheckALSA()
   768 {
   769     AC_ARG_ENABLE(alsa,
   770 AC_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),
   771                   , enable_alsa=yes)
   772     if test x$enable_audio = xyes -a x$enable_alsa = xyes; then
   773         AM_PATH_ALSA(0.9.0, have_alsa=yes, have_alsa=no)
   774         # Restore all flags from before the ALSA detection runs
   775         CFLAGS="$alsa_save_CFLAGS"
   776         LDFLAGS="$alsa_save_LDFLAGS"
   777         LIBS="$alsa_save_LIBS"
   778         if test x$have_alsa = xyes; then
   779             AC_ARG_ENABLE(alsa-shared,
   780 AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
   781                           , enable_alsa_shared=yes)
   782             alsa_lib=[`find_lib "libasound.so.*" "$ALSA_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   783 
   784             AC_DEFINE(SDL_AUDIO_DRIVER_ALSA, 1, [ ])
   785             SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c"
   786             EXTRA_CFLAGS="$EXTRA_CFLAGS $ALSA_CFLAGS"
   787             if test x$have_loadso != xyes && \
   788                test x$enable_alsa_shared = xyes; then
   789                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading])
   790             fi
   791             if test x$have_loadso = xyes && \
   792                test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then
   793                 echo "-- dynamic libasound -> $alsa_lib"
   794                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ALSA_DYNAMIC, "$alsa_lib", [ ])
   795                 SUMMARY_audio="${SUMMARY_audio} alsa(dynamic)"
   796             else
   797                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ALSA_LIBS"
   798                 SUMMARY_audio="${SUMMARY_audio} alsa"
   799             fi
   800             have_audio=yes
   801         fi
   802     fi
   803 }
   804 
   805 dnl Find the ESD includes and libraries
   806 CheckESD()
   807 {
   808     AC_ARG_ENABLE(esd,
   809 AC_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),
   810                   , enable_esd=yes)
   811     if test x$enable_audio = xyes -a x$enable_esd = xyes; then
   812         AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no)
   813         if test x$have_esd = xyes; then
   814             AC_ARG_ENABLE(esd-shared,
   815 AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
   816                           , enable_esd_shared=yes)
   817             esd_lib=[`find_lib "libesd.so.*" "$ESD_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   818 
   819             AC_DEFINE(SDL_AUDIO_DRIVER_ESD, 1, [ ])
   820             SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"
   821             EXTRA_CFLAGS="$EXTRA_CFLAGS $ESD_CFLAGS"
   822             if test x$have_loadso != xyes && \
   823                test x$enable_esd_shared = xyes; then
   824                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading])
   825             fi
   826             if test x$have_loadso = xyes && \
   827                test x$enable_esd_shared = xyes && test x$esd_lib != x; then
   828                 echo "-- dynamic libesd -> $esd_lib"
   829                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib", [ ])
   830                 SUMMARY_audio="${SUMMARY_audio} esd(dynamic)"
   831             else
   832                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ESD_LIBS"
   833                 SUMMARY_audio="${SUMMARY_audio} esd"
   834             fi
   835             have_audio=yes
   836         fi
   837     fi
   838 }
   839 
   840 dnl Find PulseAudio
   841 CheckPulseAudio()
   842 {
   843     AC_ARG_ENABLE(pulseaudio,
   844 AC_HELP_STRING([--enable-pulseaudio], [use PulseAudio [[default=yes]]]),
   845                   , enable_pulseaudio=yes)
   846     if test x$enable_audio = xyes -a x$enable_pulseaudio = xyes; then
   847         audio_pulseaudio=no
   848 
   849         PULSEAUDIO_REQUIRED_VERSION=0.9
   850 
   851         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
   852         AC_MSG_CHECKING(for PulseAudio $PULSEAUDIO_REQUIRED_VERSION support)
   853         if test x$PKG_CONFIG != xno; then
   854         if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $PULSEAUDIO_REQUIRED_VERSION libpulse-simple; then
   855                 PULSEAUDIO_CFLAGS=`$PKG_CONFIG --cflags libpulse-simple`
   856                 PULSEAUDIO_LIBS=`$PKG_CONFIG --libs libpulse-simple`
   857                 audio_pulseaudio=yes
   858             fi
   859         fi
   860         AC_MSG_RESULT($audio_pulseaudio)
   861 
   862         if test x$audio_pulseaudio = xyes; then
   863             AC_ARG_ENABLE(pulseaudio-shared,
   864 AC_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [[default=yes]]]),
   865                           , enable_pulseaudio_shared=yes)
   866             pulseaudio_lib=[`find_lib "libpulse-simple.so.*" "$PULSEAUDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   867 
   868             AC_DEFINE(SDL_AUDIO_DRIVER_PULSEAUDIO, 1, [ ])
   869             SOURCES="$SOURCES $srcdir/src/audio/pulseaudio/*.c"
   870             EXTRA_CFLAGS="$EXTRA_CFLAGS $PULSEAUDIO_CFLAGS"
   871             if test x$have_loadso != xyes && \
   872                test x$enable_pulseaudio_shared = xyes; then
   873                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic PulseAudio loading])
   874             fi
   875             if test x$have_loadso = xyes && \
   876                test x$enable_pulseaudio_shared = xyes && test x$pulseaudio_lib != x; then
   877                 echo "-- dynamic libpulse-simple -> $pulseaudio_lib"
   878                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC, "$pulseaudio_lib", [ ])
   879                 SUMMARY_audio="${SUMMARY_audio} pulse(dynamic)"
   880 
   881                 case "$host" in
   882                     # On Solaris, pulseaudio must be linked deferred explicitly
   883                     # to prevent undefined symbol failures.
   884                     *-*-solaris*)
   885                         PULSEAUDIO_LIBS=`echo $PULSEAUDIO_LIBS | sed 's/\-l/-Wl,-l/g'`
   886                         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-zdeferred $PULSEAUDIO_LIBS -Wl,-znodeferred"
   887                 esac
   888             else
   889                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $PULSEAUDIO_LIBS"
   890                 SUMMARY_audio="${SUMMARY_audio} pulse"
   891             fi
   892             have_audio=yes
   893         fi
   894     fi
   895 }
   896 
   897 CheckARTSC()
   898 {
   899     AC_ARG_ENABLE(arts,
   900 AC_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),
   901                   , enable_arts=yes)
   902     if test x$enable_audio = xyes -a x$enable_arts = xyes; then
   903         AC_PATH_PROG(ARTSCONFIG, artsc-config)
   904         if test x$ARTSCONFIG = x -o x$ARTSCONFIG = x'"$ARTSCONFIG"'; then
   905             : # arts isn't installed
   906         else
   907             ARTS_CFLAGS=`$ARTSCONFIG --cflags`
   908             ARTS_LIBS=`$ARTSCONFIG --libs`
   909             AC_MSG_CHECKING(for aRts development environment)
   910             audio_arts=no
   911             save_CFLAGS="$CFLAGS"
   912             CFLAGS="$CFLAGS $ARTS_CFLAGS"
   913             AC_TRY_COMPILE([
   914              #include <artsc.h>
   915             ],[
   916              arts_stream_t stream;
   917             ],[
   918             audio_arts=yes
   919             ])
   920             CFLAGS="$save_CFLAGS"
   921             AC_MSG_RESULT($audio_arts)
   922             if test x$audio_arts = xyes; then
   923                 AC_ARG_ENABLE(arts-shared,
   924 AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
   925                               , enable_arts_shared=yes)
   926                 arts_lib=[`find_lib "libartsc.so.*" "$ARTS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   927 
   928                 AC_DEFINE(SDL_AUDIO_DRIVER_ARTS, 1, [ ])
   929                 SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"
   930                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ARTS_CFLAGS"
   931                 if test x$have_loadso != xyes && \
   932                    test x$enable_arts_shared = xyes; then
   933                     AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading])
   934                 fi
   935                 if test x$have_loadso = xyes && \
   936                    test x$enable_arts_shared = xyes && test x$arts_lib != x; then
   937                     echo "-- dynamic libartsc -> $arts_lib"
   938                     AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib", [ ])
   939                     SUMMARY_audio="${SUMMARY_audio} arts(dynamic)"
   940                 else
   941                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARTS_LIBS"
   942                     SUMMARY_audio="${SUMMARY_audio} arts"
   943                 fi
   944                 have_audio=yes
   945             fi
   946         fi
   947     fi
   948 }
   949 
   950 dnl See if the NAS audio interface is supported
   951 CheckNAS()
   952 {
   953     AC_ARG_ENABLE(nas,
   954 AC_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),
   955                   , enable_nas=yes)
   956     if test x$enable_audio = xyes -a x$enable_nas = xyes; then
   957         AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes)
   958         AC_CHECK_LIB(audio, AuOpenServer, have_nas_lib=yes)
   959 
   960         AC_MSG_CHECKING(for NAS audio support)
   961         have_nas=no
   962 
   963         if test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then
   964             have_nas=yes
   965             NAS_LIBS="-laudio"
   966 
   967         elif test -r /usr/X11R6/include/audio/audiolib.h; then
   968             have_nas=yes
   969             NAS_CFLAGS="-I/usr/X11R6/include/"
   970             NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"
   971 
   972         fi
   973 
   974         AC_MSG_RESULT($have_nas)
   975 
   976         if test x$have_nas = xyes; then
   977             AC_ARG_ENABLE(nas-shared,
   978 AC_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [[default=yes]]]),
   979                           , enable_nas_shared=yes)
   980             nas_lib=[`find_lib "libaudio.so.*" "$NAS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   981 
   982             if test x$have_loadso != xyes && \
   983                test x$enable_nas_shared = xyes; then
   984                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic NAS loading])
   985             fi
   986             if test x$have_loadso = xyes && \
   987                test x$enable_nas_shared = xyes && test x$nas_lib != x; then
   988                 echo "-- dynamic libaudio -> $nas_lib"
   989                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_NAS_DYNAMIC, "$nas_lib", [ ])
   990                 SUMMARY_audio="${SUMMARY_audio} nas(dynamic)"
   991             else
   992                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS"
   993                 SUMMARY_audio="${SUMMARY_audio} nas"
   994             fi
   995 
   996             AC_DEFINE(SDL_AUDIO_DRIVER_NAS, 1, [ ])
   997             SOURCES="$SOURCES $srcdir/src/audio/nas/*.c"
   998             EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS"
   999             have_audio=yes
  1000         fi
  1001     fi
  1002 }
  1003 
  1004 dnl See if the sndio audio interface is supported
  1005 CheckSNDIO()
  1006 {
  1007     AC_ARG_ENABLE(sndio,
  1008 AC_HELP_STRING([--enable-sndio], [support the sndio audio API [[default=yes]]]),
  1009                   , enable_sndio=yes)
  1010     if test x$enable_audio = xyes -a x$enable_sndio = xyes; then
  1011         AC_CHECK_HEADER(sndio.h, have_sndio_hdr=yes)
  1012         AC_CHECK_LIB(sndio, sio_open, have_sndio_lib=yes)
  1013 
  1014         AC_MSG_CHECKING(for sndio audio support)
  1015         have_sndio=no
  1016 
  1017         if test x$have_sndio_hdr = xyes -a x$have_sndio_lib = xyes; then
  1018             have_sndio=yes
  1019             SNDIO_LIBS="-lsndio"
  1020         fi
  1021 
  1022         AC_MSG_RESULT($have_sndio)
  1023 
  1024         if test x$have_sndio = xyes; then
  1025             AC_ARG_ENABLE(sndio-shared,
  1026 AC_HELP_STRING([--enable-sndio-shared], [dynamically load sndio audio support [[default=yes]]]),
  1027                           , enable_sndio_shared=yes)
  1028             sndio_lib=[`find_lib "libsndio.so.*" "$SNDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1029 
  1030             if test x$have_loadso != xyes && \
  1031                test x$enable_sndio_shared = xyes; then
  1032                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic sndio loading])
  1033             fi
  1034             if test x$have_loadso = xyes && \
  1035                test x$enable_sndio_shared = xyes && test x$sndio_lib != x; then
  1036                 echo "-- dynamic libsndio -> $sndio_lib"
  1037                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_SNDIO_DYNAMIC, "$sndio_lib", [ ])
  1038                 SUMMARY_audio="${SUMMARY_audio} sndio(dynamic)"
  1039             else
  1040                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $SNDIO_LIBS"
  1041                 SUMMARY_audio="${SUMMARY_audio} sndio"
  1042             fi
  1043 
  1044             AC_DEFINE(SDL_AUDIO_DRIVER_SNDIO, 1, [ ])
  1045             SOURCES="$SOURCES $srcdir/src/audio/sndio/*.c"
  1046             EXTRA_CFLAGS="$EXTRA_CFLAGS $SNDIO_CFLAGS"
  1047             have_audio=yes
  1048         fi
  1049     fi
  1050 }
  1051 
  1052 dnl rcg07142001 See if the user wants the disk writer audio driver...
  1053 CheckDiskAudio()
  1054 {
  1055     AC_ARG_ENABLE(diskaudio,
  1056 AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
  1057                   , enable_diskaudio=yes)
  1058     if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then
  1059         AC_DEFINE(SDL_AUDIO_DRIVER_DISK, 1, [ ])
  1060         SOURCES="$SOURCES $srcdir/src/audio/disk/*.c"
  1061         SUMMARY_audio="${SUMMARY_audio} disk"
  1062     fi
  1063 }
  1064 
  1065 dnl rcg03142006 See if the user wants the dummy audio driver...
  1066 CheckDummyAudio()
  1067 {
  1068     AC_ARG_ENABLE(dummyaudio,
  1069 AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
  1070                   , enable_dummyaudio=yes)
  1071     if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then
  1072         AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY, 1, [ ])
  1073         SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c"
  1074         SUMMARY_audio="${SUMMARY_audio} dummy"
  1075     fi
  1076 }
  1077 
  1078 dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).
  1079 dnl  Details of this flag are here: http://gcc.gnu.org/wiki/Visibility
  1080 CheckVisibilityHidden()
  1081 {
  1082     AC_MSG_CHECKING(for GCC -fvisibility=hidden option)
  1083     have_gcc_fvisibility=no
  1084 
  1085     visibility_CFLAGS="-fvisibility=hidden"
  1086     save_CFLAGS="$CFLAGS"
  1087     CFLAGS="$save_CFLAGS $visibility_CFLAGS -Werror"
  1088     AC_TRY_COMPILE([
  1089     #if !defined(__GNUC__) || __GNUC__ < 4
  1090     #error SDL only uses visibility attributes in GCC 4 or newer
  1091     #endif
  1092     ],[
  1093     ],[
  1094     have_gcc_fvisibility=yes
  1095     ])
  1096     AC_MSG_RESULT($have_gcc_fvisibility)
  1097     CFLAGS="$save_CFLAGS"
  1098 
  1099     if test x$have_gcc_fvisibility = xyes; then
  1100         EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"
  1101     fi
  1102 }
  1103 
  1104 dnl See if GCC's -mpreferred-stack-boundary is supported.
  1105 dnl  Reference: http://bugzilla.libsdl.org/show_bug.cgi?id=1296
  1106 CheckStackBoundary()
  1107 {
  1108     AC_MSG_CHECKING(for GCC -mpreferred-stack-boundary option)
  1109     have_gcc_preferred_stack_boundary=no
  1110 
  1111     save_CFLAGS="$CFLAGS"
  1112     CFLAGS="$save_CFLAGS -mpreferred-stack-boundary=2"
  1113     AC_TRY_COMPILE([
  1114     int x = 0;
  1115     ],[
  1116     ],[
  1117     have_gcc_preferred_stack_boundary=yes
  1118     ])
  1119     AC_MSG_RESULT($have_gcc_preferred_stack_boundary)
  1120     CFLAGS="$save_CFLAGS"
  1121 
  1122     if test x$have_gcc_preferred_stack_boundary = xyes; then
  1123         EXTRA_CFLAGS="$EXTRA_CFLAGS -mpreferred-stack-boundary=2"
  1124     fi
  1125 }
  1126 
  1127 dnl See if GCC's -Wall is supported.
  1128 CheckWarnAll()
  1129 {
  1130     AC_MSG_CHECKING(for GCC -Wall option)
  1131     have_gcc_Wall=no
  1132 
  1133     save_CFLAGS="$CFLAGS"
  1134     CFLAGS="$save_CFLAGS -Wall"
  1135     AC_TRY_COMPILE([
  1136     int x = 0;
  1137     ],[
  1138     ],[
  1139     have_gcc_Wall=yes
  1140     ])
  1141     AC_MSG_RESULT($have_gcc_Wall)
  1142     CFLAGS="$save_CFLAGS"
  1143 
  1144     if test x$have_gcc_Wall = xyes; then
  1145         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
  1146 
  1147         dnl Haiku headers use multicharacter constants all over the place. Ignore these warnings when using -Wall.
  1148         AC_MSG_CHECKING(for necessary GCC -Wno-multichar option)
  1149         need_gcc_Wno_multichar=no
  1150         case "$host" in
  1151             *-*-haiku*)
  1152                 need_gcc_Wno_multichar=yes
  1153                 ;;
  1154         esac
  1155         AC_MSG_RESULT($need_gcc_Wno_multichar)
  1156         if test x$need_gcc_Wno_multichar = xyes; then
  1157             EXTRA_CFLAGS="$EXTRA_CFLAGS -Wno-multichar"
  1158         fi
  1159     fi
  1160 }
  1161 
  1162 dnl Check for Wayland
  1163 CheckWayland()
  1164 {
  1165     AC_ARG_ENABLE(video-wayland,
  1166 AC_HELP_STRING([--enable-video-wayland], [use Wayland video driver [[default=yes]]]),
  1167                   ,enable_video_wayland=yes)
  1168 
  1169     AC_ARG_ENABLE(video-wayland-qt-touch,
  1170 AC_HELP_STRING([--enable-video-wayland-qt-touch], [QtWayland server support for Wayland video driver [[default=yes]]]),
  1171                   ,enable_video_wayland_qt_touch=yes)
  1172 
  1173     if test x$enable_video = xyes -a x$enable_video_wayland = xyes; then
  1174         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1175         AC_MSG_CHECKING(for Wayland support)
  1176         video_wayland=no
  1177         if test x$PKG_CONFIG != xno; then
  1178             if $PKG_CONFIG --exists wayland-client wayland-egl wayland-cursor egl xkbcommon ; then
  1179                 WAYLAND_CFLAGS=`$PKG_CONFIG --cflags wayland-client wayland-egl wayland-cursor xkbcommon`
  1180                 WAYLAND_LIBS=`$PKG_CONFIG --libs wayland-client wayland-egl wayland-cursor xkbcommon`
  1181                 video_wayland=yes
  1182             fi
  1183         fi
  1184         AC_MSG_RESULT($video_wayland)
  1185 
  1186         if test x$video_wayland = xyes; then
  1187             AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND, 1, [ ])
  1188             if test x$enable_video_wayland_qt_touch = xyes; then
  1189                 AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH, 1, [ ])
  1190             fi
  1191             SOURCES="$SOURCES $srcdir/src/video/wayland/*.c"
  1192             EXTRA_CFLAGS="$EXTRA_CFLAGS $WAYLAND_CFLAGS"
  1193             AC_ARG_ENABLE(wayland-shared,
  1194 AC_HELP_STRING([--enable-wayland-shared], [dynamically load Wayland support [[default=maybe]]]),
  1195                           , enable_wayland_shared=maybe)
  1196 
  1197             dnl FIXME: Do BSD and OS X need special cases?
  1198             case "$host" in
  1199                 *)
  1200                     wayland_client_lib=[`find_lib "libwayland-client.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1201                     wayland_egl_lib=[`find_lib "libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1202                     if test x$wayland_egl_lib = x; then
  1203                         dnl This works in Ubuntu 13.10, maybe others
  1204                         wayland_egl_lib=[`find_lib "mesa-egl/libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1205                     fi
  1206                     wayland_cursor_lib=[`find_lib "libwayland-cursor.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1207                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1208                     ;;
  1209             esac
  1210 
  1211             if test x$enable_wayland_shared = xmaybe; then
  1212                 enable_wayland_shared=yes
  1213             fi
  1214             if test x$have_loadso != xyes && \
  1215                test x$enable_wayland_shared = xyes; then
  1216                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Wayland loading])
  1217                 enable_wayland_shared=no
  1218             fi
  1219             if test x$have_loadso = xyes && \
  1220                test x$enable_wayland_shared = xyes && \
  1221                test x$wayland_client_lib != x && \
  1222                test x$wayland_egl_lib != x && \
  1223                test x$wayland_cursor_lib != x && \
  1224                test x$xkbcommon_lib != x; then
  1225                 echo "-- dynamic libwayland-client -> $wayland_client_lib"
  1226                 echo "-- dynamic libwayland-egl -> $wayland_egl_lib"
  1227                 echo "-- dynamic libwayland-cursor -> $wayland_cursor_lib"
  1228                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1229                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC, "$wayland_client_lib", [ ])
  1230                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_EGL, "$wayland_egl_lib", [ ])
  1231                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_CURSOR, "$wayland_cursor_lib", [ ])
  1232                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1233                 SUMMARY_video="${SUMMARY_video} wayland(dynamic)"
  1234             else
  1235                 enable_wayland_shared=no
  1236                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $WAYLAND_LIBS"
  1237                 SUMMARY_video="${SUMMARY_video} wayland"
  1238             fi
  1239             have_video=yes
  1240         fi
  1241     fi
  1242 }
  1243 
  1244 dnl Check for Mir
  1245 CheckMir()
  1246 {
  1247     AC_ARG_ENABLE(video-mir,
  1248 AC_HELP_STRING([--enable-video-mir], [use Mir video driver [[default=yes]]]),
  1249                   ,enable_video_mir=yes)
  1250 
  1251     if test x$enable_video = xyes -a x$enable_video_mir = xyes; then
  1252         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1253         AC_MSG_CHECKING(for Mir support)
  1254         video_mir=no
  1255         if test x$PKG_CONFIG != xno; then
  1256             if $PKG_CONFIG --exists mirclient egl xkbcommon ; then
  1257                 MIR_CFLAGS=`$PKG_CONFIG --cflags mirclient egl xkbcommon`
  1258                 MIR_LIBS=`$PKG_CONFIG --libs mirclient egl xkbcommon`
  1259                 video_mir=yes
  1260             fi
  1261         fi
  1262         AC_MSG_RESULT($video_mir)
  1263 
  1264         if test x$video_mir = xyes; then
  1265             AC_DEFINE(SDL_VIDEO_DRIVER_MIR, 1, [ ])
  1266             SOURCES="$SOURCES $srcdir/src/video/mir/*.c"
  1267             EXTRA_CFLAGS="$EXTRA_CFLAGS $MIR_CFLAGS"
  1268             AC_ARG_ENABLE(mir-shared,
  1269 AC_HELP_STRING([--enable-mir-shared], [dynamically load Mir support [[default=maybe]]]),
  1270                           , enable_mir_shared=maybe)
  1271 
  1272             dnl FIXME: Do BSD and OS X need special cases?
  1273             case "$host" in
  1274                 *)
  1275                     mirclient_lib=[`find_lib "libmirclient.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1276                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1277                     ;;
  1278             esac
  1279 
  1280             if test x$enable_mir_shared = xmaybe; then
  1281                 enable_mir_shared=yes
  1282             fi
  1283             if test x$have_loadso != xyes && \
  1284                test x$enable_mir_shared = xyes; then
  1285                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Mir loading])
  1286                 enable_mir_shared=no
  1287             fi
  1288             if test x$have_loadso = xyes && \
  1289                test x$enable_mir_shared = xyes && \
  1290                test x$mirclient_lib != x && \
  1291                test x$xkbcommon_lib != x; then
  1292                 echo "-- dynamic libmirclient -> $mirclient_lib"
  1293                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1294                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC, "$mirclient_lib", [ ])
  1295                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1296                 SUMMARY_video="${SUMMARY_video} mir(dynamic)"
  1297             else
  1298                 enable_mir_shared=no
  1299                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MIR_LIBS"
  1300                 SUMMARY_video="${SUMMARY_video} mir"
  1301             fi
  1302             SDL_CFLAGS="$SDL_CFLAGS $MIR_CFLAGS"
  1303             have_video=yes
  1304         fi
  1305     fi
  1306 }
  1307 
  1308 
  1309 dnl Find the X11 include and library directories
  1310 CheckX11()
  1311 {
  1312 
  1313 
  1314     AC_ARG_ENABLE(video-x11,
  1315 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
  1316                   , enable_video_x11=yes)
  1317     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
  1318         case "$host" in
  1319             *-*-darwin*)
  1320                 # This isn't necessary for X11, but fixes GLX detection
  1321                 if test "x$x_includes" = xNONE && \
  1322                    test "x$x_libraries" = xNONE && \
  1323                    test -d /usr/X11R6/include && \
  1324                    test -d /usr/X11R6/lib; then
  1325                     x_includes="/usr/X11R6/include"
  1326                     x_libraries="/usr/X11R6/lib"
  1327                 fi
  1328                 ;;
  1329         esac
  1330         AC_PATH_X
  1331         AC_PATH_XTRA
  1332         if test x$have_x = xyes; then
  1333             AC_ARG_ENABLE(x11-shared,
  1334 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
  1335                           , enable_x11_shared=maybe)
  1336 
  1337             case "$host" in
  1338                 *-*-darwin*)
  1339                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
  1340                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
  1341                     xcursor_lib='/usr/X11R6/lib/libXcursor.1.dylib'
  1342                     xinerama_lib='/usr/X11R6/lib/libXinerama.1.dylib'
  1343                     xinput_lib='/usr/X11R6/lib/libXi.6.dylib'
  1344                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
  1345                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
  1346                     xss_lib='/usr/X11R6/lib/libXss.1.dylib'
  1347                     xvidmode_lib='/usr/X11R6/lib/libXxf86vm.1.dylib'
  1348                     ;;
  1349                 *-*-openbsd*)
  1350                     x11_lib='libX11.so'
  1351                     x11ext_lib='libXext.so'
  1352                     xcursor_lib='libXcursor.so'
  1353                     xinerama_lib='libXinerama.so'
  1354                     xinput_lib='libXi.so'
  1355                     xrandr_lib='libXrandr.so'
  1356                     xrender_lib='libXrender.so'
  1357                     xss_lib='libXss.so'
  1358                     xvidmode_lib='libXxf86vm.so'
  1359                     ;;
  1360                 *)
  1361                     x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1362                     x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1363                     xcursor_lib=[`find_lib "libXcursor.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1364                     xinerama_lib=[`find_lib "libXinerama.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1365                     xinput_lib=[`find_lib "libXi.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1366                     xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1367                     xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1368                     xss_lib=[`find_lib "libXss.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1369                     xvidmode_lib=[`find_lib "libXxf86vm.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1370                     ;;
  1371             esac
  1372 
  1373             if test x$ac_cv_func_shmat != xyes; then
  1374                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
  1375             fi
  1376             CFLAGS="$CFLAGS $X_CFLAGS"
  1377             LDFLAGS="$LDFLAGS $X_LIBS"
  1378 
  1379             AC_CHECK_HEADER(X11/extensions/Xext.h,
  1380                             have_xext_h_hdr=yes,
  1381                             have_xext_h_hdr=no,
  1382                             [#include <X11/Xlib.h>
  1383                              #include <X11/Xproto.h>
  1384                             ])
  1385             if test x$have_xext_h_hdr != xyes; then
  1386                AC_MSG_ERROR([
  1387 *** Missing Xext.h, maybe you need to install the libxext-dev package?
  1388                ])
  1389             fi
  1390 
  1391             AC_DEFINE(SDL_VIDEO_DRIVER_X11, 1, [ ])
  1392             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
  1393             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
  1394 
  1395             # Needed so SDL applications can include SDL_syswm.h
  1396             SDL_CFLAGS="$SDL_CFLAGS $X_CFLAGS"
  1397 
  1398             if test x$enable_x11_shared = xmaybe; then
  1399                 enable_x11_shared=yes
  1400             fi
  1401             if test x$have_loadso != xyes && \
  1402                test x$enable_x11_shared = xyes; then
  1403                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
  1404                 enable_x11_shared=no
  1405             fi
  1406             if test x$have_loadso = xyes && \
  1407                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
  1408                 echo "-- dynamic libX11 -> $x11_lib"
  1409                 echo "-- dynamic libX11ext -> $x11ext_lib"
  1410                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib", [ ])
  1411                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib", [ ])
  1412                 SUMMARY_video="${SUMMARY_video} x11(dynamic)"
  1413             else
  1414                 enable_x11_shared=no
  1415                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
  1416                 SUMMARY_video="${SUMMARY_video} x11"
  1417             fi
  1418             have_video=yes
  1419 
  1420             AC_MSG_CHECKING(for const parameter to XextAddDisplay)
  1421             have_const_param_XextAddDisplay=no
  1422             AC_TRY_COMPILE([
  1423               #include <X11/Xlib.h>
  1424               #include <X11/Xproto.h>
  1425               #include <X11/extensions/Xext.h>
  1426               #include <X11/extensions/extutil.h>
  1427               extern XExtDisplayInfo* XextAddDisplay(XExtensionInfo* a,Display* b,_Xconst char* c,XExtensionHooks* d,int e,XPointer f);
  1428             ],[
  1429             ],[
  1430             have_const_param_XextAddDisplay=yes
  1431             AC_DEFINE(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY)
  1432             ])
  1433             AC_MSG_RESULT($have_const_param_XextAddDisplay)
  1434 
  1435             AC_MSG_CHECKING(for const parameter to _XData32)
  1436 	    have_const_param_xdata32=no
  1437 	    AC_TRY_COMPILE([
  1438 	      #include <X11/Xlibint.h>
  1439 	      extern int _XData32(Display *dpy,register _Xconst long *data,unsigned len);
  1440 	    ],[
  1441 	    ],[
  1442 	    have_const_param_xdata32=yes
  1443 	    AC_DEFINE(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XDATA32)
  1444 	    ])
  1445 	    AC_MSG_RESULT($have_const_param_xdata32)
  1446 
  1447             dnl AC_CHECK_LIB(X11, XGetEventData, AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS, 1, [Have XGenericEvent]))
  1448             AC_MSG_CHECKING([for XGenericEvent])
  1449             have_XGenericEvent=no
  1450             AC_TRY_COMPILE([
  1451               	#include <X11/Xlib.h>
  1452             ],[
  1453 Display *display;
  1454 XEvent event;
  1455 XGenericEventCookie *cookie = &event.xcookie;
  1456 XNextEvent(display, &event);
  1457 XGetEventData(display, cookie);
  1458 XFreeEventData(display, cookie);
  1459             ],[
  1460                 have_XGenericEvent=yes
  1461                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS)
  1462             ])
  1463             AC_MSG_RESULT($have_XGenericEvent)
  1464 
  1465             AC_CHECK_LIB(X11, XkbKeycodeToKeysym, AC_DEFINE(SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM, 1, [Have XkbKeycodeToKeysym]))
  1466 
  1467             AC_ARG_ENABLE(video-x11-xcursor,
  1468 AC_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [[default=yes]]]),
  1469                             , enable_video_x11_xcursor=yes)
  1470             if test x$enable_video_x11_xcursor = xyes; then
  1471                 definitely_enable_video_x11_xcursor=no
  1472                 AC_CHECK_HEADER(X11/Xcursor/Xcursor.h,
  1473                                 have_xcursor_h_hdr=yes,
  1474                                 have_xcursor_h_hdr=no,
  1475                                 [#include <X11/Xlib.h>
  1476                                 ])
  1477                 if test x$have_xcursor_h_hdr = xyes; then
  1478                     if test x$enable_x11_shared = xyes && test x$xcursor_lib != x ; then
  1479                         echo "-- dynamic libXcursor -> $xcursor_lib"
  1480                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR, "$xcursor_lib", [ ])
  1481                         definitely_enable_video_x11_xcursor=yes
  1482                     else
  1483                         AC_CHECK_LIB(Xcursor, XcursorImageCreate, have_xcursor_lib=yes)
  1484                         if test x$have_xcursor_lib = xyes ; then
  1485                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXcursor"
  1486                             definitely_enable_video_x11_xcursor=yes
  1487                         fi
  1488                     fi
  1489                 fi
  1490             fi
  1491             if test x$definitely_enable_video_x11_xcursor = xyes; then
  1492                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XCURSOR, 1, [ ])
  1493                 SUMMARY_video_x11="${SUMMARY_video_x11} xcursor"
  1494             fi
  1495             AC_ARG_ENABLE(video-x11-xinerama,
  1496 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
  1497                             , enable_video_x11_xinerama=yes)
  1498             if test x$enable_video_x11_xinerama = xyes; then
  1499                 definitely_enable_video_x11_xinerama=no
  1500                 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
  1501                                 have_xinerama_h_hdr=yes,
  1502                                 have_xinerama_h_hdr=no,
  1503                                 [#include <X11/Xlib.h>
  1504                                 ])
  1505                 if test x$have_xinerama_h_hdr = xyes; then
  1506                     if test x$enable_x11_shared = xyes && test x$xinerama_lib != x ; then
  1507                         echo "-- dynamic libXinerama -> $xinerama_lib"
  1508                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA, "$xinerama_lib", [ ])
  1509                         definitely_enable_video_x11_xinerama=yes
  1510                     else
  1511                         AC_CHECK_LIB(Xinerama, XineramaQueryExtension, have_xinerama_lib=yes)
  1512                         if test x$have_xinerama_lib = xyes ; then
  1513                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXinerama"
  1514                             definitely_enable_video_x11_xinerama=yes
  1515                         fi
  1516                     fi
  1517                 fi
  1518             fi
  1519             if test x$definitely_enable_video_x11_xinerama = xyes; then
  1520                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA, 1, [ ])
  1521                 SUMMARY_video_x11="${SUMMARY_video_x11} xinerama"
  1522             fi
  1523             AC_ARG_ENABLE(video-x11-xinput,
  1524 AC_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [[default=yes]]]),
  1525                             , enable_video_x11_xinput=yes)
  1526             if test x$enable_video_x11_xinput = xyes; then
  1527                 definitely_enable_video_x11_xinput=no
  1528                 AC_CHECK_HEADER(X11/extensions/XInput2.h,
  1529                                 have_xinput_h_hdr=yes,
  1530                                 have_xinput_h_hdr=no,
  1531                                 [#include <X11/Xlib.h>
  1532                                 ])
  1533                 if test x$have_xinput_h_hdr = xyes; then
  1534                     if test x$enable_x11_shared = xyes && test x$xinput_lib != x ; then
  1535                         echo "-- dynamic libXi -> $xinput_lib"
  1536                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2, "$xinput_lib", [ ])
  1537                         definitely_enable_video_x11_xinput=yes
  1538                     else
  1539                         AC_CHECK_LIB(Xi, XOpenDevice, have_xinput_lib=yes)
  1540                         if test x$have_xinput_lib = xyes ; then
  1541                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXi"
  1542                             definitely_enable_video_x11_xinput=yes
  1543                         fi
  1544                     fi
  1545                 fi
  1546             fi
  1547             if test x$definitely_enable_video_x11_xinput = xyes; then
  1548                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2"
  1549                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2, 1, [ ])
  1550                 AC_MSG_CHECKING(for xinput2 multitouch)
  1551             	have_xinput2_multitouch=no
  1552             	AC_TRY_COMPILE([
  1553               		#include <X11/Xlib.h>
  1554              		#include <X11/Xproto.h>
  1555 			#include <X11/extensions/XInput2.h>
  1556             	],[
  1557 int event_type = XI_TouchBegin;
  1558 XITouchClassInfo *t;
  1559             	],[
  1560             	have_xinput2_multitouch=yes
  1561             	AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH)
  1562                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2_multitouch"
  1563             	])
  1564             	AC_MSG_RESULT($have_xinput2_multitouch)
  1565             fi
  1566             AC_ARG_ENABLE(video-x11-xrandr,
  1567 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
  1568                             , enable_video_x11_xrandr=yes)
  1569             if test x$enable_video_x11_xrandr = xyes; then
  1570                 dnl XRRScreenResources is only present in Xrandr >= 1.2, we use that as a test.
  1571                 definitely_enable_video_x11_xrandr=no
  1572                 have_xrandr_h_hdr=no
  1573                 AC_TRY_COMPILE([
  1574                 #include <X11/Xlib.h>
  1575                 #include <X11/extensions/Xrandr.h>
  1576                 ],[
  1577                 XRRScreenResources *res = NULL;
  1578                 ],[
  1579                 have_xrandr_h_hdr=yes
  1580                 ])
  1581                 if test x$have_xrandr_h_hdr = xyes; then
  1582                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
  1583                         echo "-- dynamic libXrandr -> $xrandr_lib"
  1584                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib", [ ])
  1585                         definitely_enable_video_x11_xrandr=yes
  1586                     else
  1587                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
  1588                         if test x$have_xrandr_lib = xyes ; then
  1589                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr"
  1590                             definitely_enable_video_x11_xrandr=yes
  1591                         fi
  1592                     fi
  1593                 fi
  1594             fi
  1595             if test x$definitely_enable_video_x11_xrandr = xyes; then
  1596                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR, 1, [ ])
  1597                 SUMMARY_video_x11="${SUMMARY_video_x11} xrandr"
  1598             fi
  1599             AC_ARG_ENABLE(video-x11-scrnsaver,
  1600 AC_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [[default=yes]]]),
  1601                             , enable_video_x11_scrnsaver=yes)
  1602             if test x$enable_video_x11_scrnsaver = xyes; then
  1603                 AC_CHECK_HEADER(X11/extensions/scrnsaver.h,
  1604                                 have_scrnsaver_h_hdr=yes,
  1605                                 have_scrnsaver_h_hdr=no,
  1606                                 [#include <X11/Xlib.h>
  1607                                 ])
  1608                 if test x$have_scrnsaver_h_hdr = xyes; then
  1609                     if test x$enable_x11_shared = xyes && test x$xss_lib != x ; then
  1610                         echo "-- dynamic libXss -> $xss_lib"
  1611                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS, "$xss_lib", [ ])
  1612                         definitely_enable_video_x11_scrnsaver=yes
  1613                     else
  1614                         AC_CHECK_LIB(Xss, XScreenSaverSuspend, have_xss_lib=yes)
  1615                         if test x$have_xss_lib = xyes ; then
  1616                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXss"
  1617                             definitely_enable_video_x11_scrnsaver=yes
  1618                         fi
  1619                     fi
  1620                 fi
  1621             fi
  1622             if test x$definitely_enable_video_x11_scrnsaver = xyes; then
  1623                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSCRNSAVER, 1, [ ])
  1624                 SUMMARY_video_x11="${SUMMARY_video_x11} xscrnsaver"
  1625             fi
  1626             AC_ARG_ENABLE(video-x11-xshape,
  1627 AC_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [[default=yes]]]),
  1628                             , enable_video_x11_xshape=yes)
  1629             if test x$enable_video_x11_xshape = xyes; then
  1630                 AC_CHECK_HEADER(X11/extensions/shape.h,
  1631                                 have_shape_h_hdr=yes,
  1632                                 have_shape_h_hdr=no,
  1633                                 [#include <X11/Xlib.h>
  1634                                 ])
  1635                 if test x$have_shape_h_hdr = xyes; then
  1636                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSHAPE, 1, [ ])
  1637                     SUMMARY_video_x11="${SUMMARY_video_x11} xshape"
  1638                 fi
  1639             fi
  1640             AC_ARG_ENABLE(video-x11-vm,
  1641 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
  1642                             , enable_video_x11_vm=yes)
  1643             if test x$enable_video_x11_vm = xyes; then
  1644                 definitely_enable_video_x11_vm=no
  1645                 AC_CHECK_HEADER(X11/extensions/xf86vmode.h,
  1646                                 have_vm_h_hdr=yes,
  1647                                 have_vm_h_hdr=no,
  1648                                 [#include <X11/Xlib.h>
  1649                                 ])
  1650                 if test x$have_vm_h_hdr = xyes; then
  1651                     if test x$enable_x11_shared = xyes && test x$xvidmode_lib != x ; then
  1652                         echo "-- dynamic libXxf86vm -> $xvidmode_lib"
  1653                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE, "$xvidmode_lib", [ ])
  1654                         definitely_enable_video_x11_vm=yes
  1655                     else
  1656                         AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, have_vm_lib=yes)
  1657                         if test x$have_vm_lib = xyes ; then
  1658                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXxf86vm"
  1659                             definitely_enable_video_x11_vm=yes
  1660                         fi
  1661                     fi
  1662                 fi
  1663             fi
  1664             if test x$definitely_enable_video_x11_vm = xyes; then
  1665                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XVIDMODE, 1, [ ])
  1666                 SUMMARY_video_x11="${SUMMARY_video_x11} xvidmode"
  1667             fi
  1668         fi
  1669     fi
  1670 }
  1671 
  1672 dnl Set up the Haiku video driver if enabled
  1673 CheckHaikuVideo()
  1674 {
  1675     if test x$enable_video = xyes; then
  1676         AC_DEFINE(SDL_VIDEO_DRIVER_HAIKU, 1, [ ])
  1677         SOURCES="$SOURCES $srcdir/src/video/haiku/*.cc"
  1678         have_video=yes
  1679         SUMMARY_video="${SUMMARY_video} haiku"
  1680     fi
  1681 }
  1682 
  1683 dnl Set up the Cocoa video driver for Mac OS X (but not Darwin)
  1684 CheckCOCOA()
  1685 {
  1686     AC_ARG_ENABLE(video-cocoa,
  1687 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]]),
  1688                   , enable_video_cocoa=yes)
  1689     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  1690         save_CFLAGS="$CFLAGS"
  1691         dnl work around that we don't have Objective-C support in autoconf
  1692         CFLAGS="$CFLAGS -x objective-c"
  1693         AC_MSG_CHECKING(for Cocoa framework)
  1694         have_cocoa=no
  1695         AC_TRY_COMPILE([
  1696           #import <Cocoa/Cocoa.h>
  1697         ],[
  1698         ],[
  1699         have_cocoa=yes
  1700         ])
  1701         AC_MSG_RESULT($have_cocoa)
  1702         CFLAGS="$save_CFLAGS"
  1703         if test x$have_cocoa = xyes; then
  1704             AC_DEFINE(SDL_VIDEO_DRIVER_COCOA, 1, [ ])
  1705             SOURCES="$SOURCES $srcdir/src/video/cocoa/*.m"
  1706             SUMMARY_video="${SUMMARY_video} cocoa"
  1707             have_video=yes
  1708         fi
  1709     fi
  1710 }
  1711 
  1712 dnl Find DirectFB
  1713 CheckDirectFB()
  1714 {
  1715     AC_ARG_ENABLE(video-directfb,
  1716 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),
  1717                   , enable_video_directfb=no)
  1718     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
  1719         video_directfb=no
  1720 
  1721         DIRECTFB_REQUIRED_VERSION=1.0.0
  1722         AC_PATH_PROGS(DIRECTFBCONFIG, directfb-config, no, [$prefix/bin:$PATH])
  1723         if test x$DIRECTFBCONFIG = xno; then
  1724             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1725             if test x$PKG_CONFIG != xno; then
  1726                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
  1727                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
  1728                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
  1729                     DIRECTFB_PREFIX=`$PKG_CONFIG --variable=prefix directfb`
  1730                     video_directfb=yes
  1731                 fi
  1732             fi
  1733         else
  1734             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
  1735             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1736             set -- `$DIRECTFBCONFIG --version | sed 's/\./ /g'`
  1737             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1738             if test $HAVE_VERSION -ge $NEED_VERSION; then
  1739                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
  1740                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
  1741                 DIRECTFB_PREFIX=`$DIRECTFBCONFIG --prefix`
  1742                 video_directfb=yes
  1743             fi
  1744         fi
  1745         if test x$video_directfb = xyes; then
  1746             # SuSE 11.1 installs directfb-config without directfb-devel
  1747             save_CPPFLAGS="$CPPFLAGS"
  1748             CPPFLAGS="$CPPFLAGS $DIRECTFB_CFLAGS"
  1749             AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no)
  1750             CPPFLAGS="$save_CPPFLAGS"
  1751             video_directfb=$have_directfb_hdr
  1752         fi
  1753         AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
  1754         AC_MSG_RESULT($video_directfb)
  1755 
  1756         if test x$video_directfb = xyes; then
  1757             AC_ARG_ENABLE(directfb-shared,
  1758 AC_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [[default=yes]]]),
  1759                               , enable_directfb_shared=yes)
  1760 
  1761             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB, 1, [ ])
  1762             AC_DEFINE(SDL_VIDEO_RENDER_DIRECTFB, 1, [ ])
  1763             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
  1764             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
  1765 
  1766             AC_MSG_CHECKING(for directfb dynamic loading support)
  1767             directfb_shared=no
  1768             directfb_lib=[`find_lib "libdirectfb.so.*" "$DIRECTFB_LIBS"`]
  1769             # | sed 's/.*\/\(.*\)/\1/; q'`]
  1770 AC_MSG_WARN("directfb $directfb_lib")
  1771             if test x$have_loadso != xyes && \
  1772                test x$enable_directfb_shared = xyes; then
  1773                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic directfb loading])
  1774             fi
  1775             if test x$have_loadso = xyes && \
  1776                test x$enable_directfb_shared = xyes && test x$directfb_lib != x; then
  1777                 directfb_shared=yes
  1778                 echo "-- $directfb_lib_spec -> $directfb_lib"
  1779                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC, "$directfb_lib", [ ])
  1780                 SUMMARY_video="${SUMMARY_video} directfb(dynamic)"
  1781             else
  1782                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
  1783                 SUMMARY_video="${SUMMARY_video} directfb"
  1784             fi
  1785             AC_MSG_RESULT($directfb_shared)
  1786             SDL_CFLAGS="$SDL_CFLAGS $DIRECTFB_CFLAGS"
  1787             have_video=yes
  1788         fi
  1789     fi
  1790 }
  1791 
  1792 dnl Find FusionSound
  1793 CheckFusionSound()
  1794 {
  1795     AC_ARG_ENABLE(fusionsound,
  1796 AC_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [[default=no]]]),
  1797                   , enable_fusionsound=no)
  1798     if test x$enable_audio = xyes -a x$enable_fusionsound = xyes; then
  1799         fusionsound=no
  1800 
  1801         FUSIONSOUND_REQUIRED_VERSION=1.1.1
  1802 
  1803         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1804         AC_MSG_CHECKING(for FusionSound $FUSIONSOUND_REQUIRED_VERSION support)
  1805         if test x$PKG_CONFIG != xno; then
  1806             if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $FUSIONSOUND_REQUIRED_VERSION fusionsound; then
  1807                 FUSIONSOUND_CFLAGS=`$PKG_CONFIG --cflags fusionsound`
  1808                 FUSIONSOUND_LIBS=`$PKG_CONFIG --libs fusionsound`
  1809                 fusionsound=yes
  1810             fi
  1811         fi
  1812         AC_MSG_RESULT($fusionsound)
  1813 
  1814         if test x$fusionsound = xyes; then
  1815             AC_DEFINE(SDL_AUDIO_DRIVER_FUSIONSOUND, 1, [ ])
  1816             SOURCES="$SOURCES $srcdir/src/audio/fusionsound/*.c"
  1817             EXTRA_CFLAGS="$EXTRA_CFLAGS $FUSIONSOUND_CFLAGS"
  1818             
  1819             AC_ARG_ENABLE(fusionsound-shared,
  1820 AC_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [[default=yes]]]),
  1821                           , enable_fusionsound_shared=yes)
  1822             fusionsound_shared=no
  1823             AC_MSG_CHECKING(for FusionSound dynamic loading support)
  1824             if test x$have_loadso != xyes && \
  1825                test x$enable_fusionsound_shared = xyes; then
  1826                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic fusionsound loading])
  1827             fi
  1828             if test x$have_loadso = xyes && \
  1829                test x$enable_fusionsound_shared = xyes; then
  1830                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC, "libfusionsound.so", [ ])
  1831                 fusionsound_shared=yes
  1832                 SUMMARY_audio="${SUMMARY_audio} fusionsound(dynamic)"
  1833             else
  1834                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $FUSIONSOUND_LIBS"
  1835                 SUMMARY_audio="${SUMMARY_audio} fusionsound"
  1836             fi
  1837             AC_MSG_RESULT($fusionsound_shared)
  1838             
  1839             have_audio=yes
  1840         fi
  1841     fi
  1842 }
  1843 
  1844 dnl rcg04172001 Set up the Null video driver.
  1845 CheckDummyVideo()
  1846 {
  1847     AC_ARG_ENABLE(video-dummy,
  1848 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
  1849                   , enable_video_dummy=yes)
  1850     if test x$enable_video_dummy = xyes; then
  1851         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ])
  1852         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
  1853         have_video=yes
  1854         SUMMARY_video="${SUMMARY_video} dummy"
  1855     fi
  1856 }
  1857 
  1858 dnl Check to see if OpenGL support is desired
  1859 AC_ARG_ENABLE(video-opengl,
  1860 AC_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),
  1861               , enable_video_opengl=yes)
  1862 
  1863 dnl Find OpenGL
  1864 CheckOpenGLX11()
  1865 {
  1866     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1867         AC_MSG_CHECKING(for OpenGL (GLX) support)
  1868         video_opengl=no
  1869         AC_TRY_COMPILE([
  1870          #include <GL/gl.h>
  1871          #include <GL/glx.h>
  1872         ],[
  1873         ],[
  1874         video_opengl=yes
  1875         ])
  1876         AC_MSG_RESULT($video_opengl)
  1877         if test x$video_opengl = xyes; then
  1878             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1879             AC_DEFINE(SDL_VIDEO_OPENGL_GLX, 1, [ ])
  1880             AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  1881             SUMMARY_video="${SUMMARY_video} opengl"
  1882         fi
  1883     fi
  1884 }
  1885 
  1886 dnl Check to see if OpenGL ES support is desired
  1887 AC_ARG_ENABLE(video-opengles,
  1888 AC_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [[default=yes]]]),
  1889               , enable_video_opengles=yes)
  1890 
  1891 dnl Find OpenGL ES
  1892 CheckOpenGLESX11()
  1893 {
  1894     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  1895         AC_MSG_CHECKING(for EGL support)
  1896         video_opengl_egl=no
  1897         AC_TRY_COMPILE([
  1898          #include <EGL/egl.h>
  1899         ],[
  1900         ],[
  1901         video_opengl_egl=yes
  1902         ])
  1903         AC_MSG_RESULT($video_opengl_egl)
  1904         if test x$video_opengl_egl = xyes; then
  1905             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  1906         fi
  1907             
  1908         AC_MSG_CHECKING(for OpenGL ES v1 headers)
  1909         video_opengles_v1=no
  1910         AC_TRY_COMPILE([
  1911          #include <GLES/gl.h>
  1912          #include <GLES/glext.h>
  1913         ],[
  1914         ],[
  1915         video_opengles_v1=yes
  1916         ])
  1917         AC_MSG_RESULT($video_opengles_v1)
  1918         if test x$video_opengles_v1 = xyes; then
  1919             AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])
  1920             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])
  1921             SUMMARY_video="${SUMMARY_video} opengl_es1"
  1922         fi
  1923         
  1924         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  1925         video_opengles_v2=no
  1926         AC_TRY_COMPILE([
  1927          #include <GLES2/gl2.h>
  1928          #include <GLES2/gl2ext.h>
  1929         ],[
  1930         ],[
  1931         video_opengles_v2=yes
  1932         ])
  1933         AC_MSG_RESULT($video_opengles_v2)
  1934         if test x$video_opengles_v2 = xyes; then
  1935             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  1936             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  1937             SUMMARY_video="${SUMMARY_video} opengl_es2"
  1938         fi
  1939     fi
  1940 }
  1941 
  1942 dnl Check for Windows OpenGL
  1943 CheckWINDOWSGL()
  1944 {
  1945     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1946         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1947         AC_DEFINE(SDL_VIDEO_OPENGL_WGL, 1, [ ])
  1948         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  1949         SUMMARY_video="${SUMMARY_video} opengl"
  1950     fi
  1951 }
  1952 
  1953 dnl Check for Windows OpenGL
  1954 CheckWINDOWSGLES()
  1955 {
  1956     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  1957 
  1958         AC_MSG_CHECKING(for EGL support)
  1959         video_opengl_egl=no
  1960         AC_TRY_COMPILE([
  1961          #include <EGL/egl.h>
  1962         ],[
  1963         ],[
  1964         video_opengl_egl=yes
  1965         ])
  1966         AC_MSG_RESULT($video_opengl_egl)
  1967         if test x$video_opengl_egl = xyes; then
  1968             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1969             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  1970             SUMMARY_video="${SUMMARY_video} opengl_es1"
  1971         fi
  1972        
  1973         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  1974         video_opengles_v2=no
  1975         AC_TRY_COMPILE([
  1976          #include <GLES2/gl2.h>
  1977          #include <GLES2/gl2ext.h>
  1978         ],[
  1979         ],[
  1980         video_opengles_v2=yes
  1981         ])
  1982         AC_MSG_RESULT($video_opengles_v2)
  1983         if test x$video_opengles_v2 = xyes; then
  1984             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1985             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  1986             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  1987             SUMMARY_video="${SUMMARY_video} opengl_es2"
  1988         fi
  1989     fi
  1990 }
  1991 
  1992 dnl Check for Haiku OpenGL
  1993 CheckHaikuGL()
  1994 {
  1995     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1996         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1997         AC_DEFINE(SDL_VIDEO_OPENGL_HAIKU, 1, [ ])
  1998         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  1999         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  2000         SUMMARY_video="${SUMMARY_video} opengl"
  2001     fi
  2002 }
  2003 
  2004 dnl Check for MacOS OpenGL
  2005 CheckMacGL()
  2006 {
  2007     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2008         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2009         AC_DEFINE(SDL_VIDEO_OPENGL_CGL, 1, [ ])
  2010         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2011         SUMMARY_video="${SUMMARY_video} opengl"
  2012         case "$host" in
  2013             *-*-darwin*)
  2014                 if test x$enable_video_cocoa = xyes; then
  2015                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGL"
  2016                 fi
  2017         esac
  2018     fi
  2019 }
  2020 
  2021 dnl See if we can use the new unified event interface in Linux 2.4
  2022 CheckInputEvents()
  2023 {
  2024     dnl Check for Linux 2.4 unified input event interface support
  2025         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
  2026         use_input_events=no
  2027         AC_TRY_COMPILE([
  2028           #include <linux/input.h>
  2029         ],[
  2030           #ifndef EVIOCGNAME
  2031           #error EVIOCGNAME() ioctl not available
  2032           #endif
  2033         ],[
  2034         use_input_events=yes
  2035         ])
  2036         AC_MSG_RESULT($use_input_events)
  2037         if test x$use_input_events = xyes; then
  2038             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])
  2039             SUMMARY_input="${SUMMARY_input} linuxev"
  2040         fi
  2041 }
  2042 
  2043 dnl See if we can use the kernel kd.h header
  2044 CheckInputKD()
  2045 {
  2046 
  2047     AC_MSG_CHECKING(for Linux kd.h)
  2048     use_input_kd=no
  2049     AC_TRY_COMPILE([
  2050       #include <linux/kd.h>
  2051       #include <linux/keyboard.h>
  2052     ],[
  2053         struct kbentry kbe;
  2054         kbe.kb_table = KG_CTRL;
  2055         ioctl(0, KDGKBENT, &kbe);
  2056     ],[
  2057     use_input_kd=yes
  2058     ])
  2059     AC_MSG_RESULT($use_input_kd)
  2060     if test x$use_input_kd = xyes; then
  2061         AC_DEFINE(SDL_INPUT_LINUXKD, 1, [ ])
  2062         SUMMARY_input="${SUMMARY_input} linuxkd"
  2063     fi
  2064 }
  2065 
  2066 dnl See if the platform offers libudev for device enumeration and hotplugging.
  2067 CheckLibUDev()
  2068 {
  2069     AC_ARG_ENABLE(libudev,
  2070 AC_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),
  2071                         , enable_libudev=yes)
  2072     if test x$enable_libudev = xyes; then
  2073         AC_CHECK_HEADER(libudev.h,
  2074                         have_libudev_h_hdr=yes,
  2075                         have_libudev_h_hdr=no)
  2076         if test x$have_libudev_h_hdr = xyes; then
  2077             AC_DEFINE(HAVE_LIBUDEV_H, 1, [ ])
  2078         fi
  2079     fi
  2080 }
  2081 
  2082 dnl See if the platform offers libdbus for various IPC techniques.
  2083 CheckDBus()
  2084 {
  2085     AC_ARG_ENABLE(dbus,
  2086 AC_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),
  2087                         , enable_dbus=yes)
  2088     if test x$enable_dbus = xyes; then
  2089         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2090         if test x$PKG_CONFIG != xno; then
  2091             DBUS_CFLAGS=`$PKG_CONFIG --cflags dbus-1`
  2092             save_CFLAGS="$CFLAGS"
  2093             CFLAGS="$save_CFLAGS $DBUS_CFLAGS"
  2094             AC_CHECK_HEADER(dbus/dbus.h,
  2095                             have_dbus_dbus_h_hdr=yes,
  2096                             have_dbus_dbus_h_hdr=no)
  2097             CFLAGS="$save_CFLAGS"
  2098             if test x$have_dbus_dbus_h_hdr = xyes; then
  2099                 AC_DEFINE(HAVE_DBUS_DBUS_H, 1, [ ])
  2100                 EXTRA_CFLAGS="$EXTRA_CFLAGS $DBUS_CFLAGS"
  2101             fi
  2102         fi
  2103     fi
  2104 }
  2105 
  2106 dnl See if we can use the Touchscreen input library
  2107 CheckTslib()
  2108 {
  2109     AC_ARG_ENABLE(input-tslib,
  2110 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
  2111                   , enable_input_tslib=yes)
  2112     if test x$enable_input_tslib = xyes; then
  2113         AC_MSG_CHECKING(for Touchscreen library support)
  2114         enable_input_tslib=no
  2115         AC_TRY_COMPILE([
  2116           #include "tslib.h"
  2117         ],[
  2118         ],[
  2119         enable_input_tslib=yes
  2120         ])
  2121         AC_MSG_RESULT($enable_input_tslib)
  2122         if test x$enable_input_tslib = xyes; then
  2123             AC_DEFINE(SDL_INPUT_TSLIB, 1, [ ])
  2124             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
  2125             SUMMARY_input="${SUMMARY_input} ts"
  2126         fi
  2127     fi
  2128 }
  2129 
  2130 dnl See what type of thread model to use on Linux and Solaris
  2131 CheckPTHREAD()
  2132 {
  2133     dnl Check for pthread support
  2134     AC_ARG_ENABLE(pthreads,
  2135 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
  2136                   , enable_pthreads=yes)
  2137     dnl This is used on Linux for glibc binary compatibility (Doh!)
  2138     AC_ARG_ENABLE(pthread-sem,
  2139 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
  2140                   , enable_pthread_sem=yes)
  2141     case "$host" in
  2142 	 *-*-androideabi*)
  2143             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2144             pthread_lib=""
  2145 	    ;;
  2146         *-*-linux*|*-*-uclinux*)
  2147             pthread_cflags="-D_REENTRANT"
  2148             pthread_lib="-lpthread"
  2149             ;;
  2150         *-*-bsdi*)
  2151             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2152             pthread_lib=""
  2153             ;;
  2154         *-*-darwin*)
  2155             pthread_cflags="-D_THREAD_SAFE"
  2156 # causes Carbon.p complaints?
  2157 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2158             ;;
  2159         *-*-freebsd*|*-*-dragonfly*)
  2160             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2161             pthread_lib="-pthread"
  2162             ;;
  2163         *-*-netbsd*)
  2164             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2165             pthread_lib="-lpthread"
  2166             ;;
  2167         *-*-openbsd*)
  2168             pthread_cflags="-D_REENTRANT"
  2169             pthread_lib="-pthread"
  2170             ;;
  2171         *-*-solaris2.9)
  2172             # From Solaris 9+, posix4's preferred name is rt.
  2173             pthread_cflags="-D_REENTRANT"
  2174             pthread_lib="-lpthread -lrt"
  2175             ;;
  2176         *-*-solaris2.10)
  2177             # Solaris 10+ merged pthread into libc.
  2178             pthread_cflags="-D_REENTRANT"
  2179             pthread_lib="-lrt"
  2180             ;;
  2181         *-*-solaris*)
  2182             # Solaris 11+ merged rt into libc.
  2183             pthread_cflags="-D_REENTRANT"
  2184             pthread_lib=""
  2185             ;;
  2186         *-*-sysv5*)
  2187             pthread_cflags="-D_REENTRANT -Kthread"
  2188             pthread_lib=""
  2189             ;;
  2190         *-*-aix*)
  2191             pthread_cflags="-D_REENTRANT -mthreads"
  2192             pthread_lib="-lpthread"
  2193             ;;
  2194         *-*-hpux11*)
  2195             pthread_cflags="-D_REENTRANT"
  2196             pthread_lib="-L/usr/lib -lpthread"
  2197             ;;
  2198         *-*-haiku*)
  2199             pthread_cflags="-D_REENTRANT"
  2200             pthread_lib=""
  2201             ;;
  2202         *)
  2203             pthread_cflags="-D_REENTRANT"
  2204             pthread_lib="-lpthread"
  2205             ;;
  2206     esac
  2207     if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then
  2208         # Save the original compiler flags and libraries
  2209         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2210         # Add the pthread compiler flags and libraries
  2211         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2212         # Check to see if we have pthread support on this system
  2213         AC_MSG_CHECKING(for pthreads)
  2214         use_pthreads=no
  2215         AC_TRY_LINK([
  2216          #include <pthread.h>
  2217         ],[
  2218          pthread_attr_t type;
  2219          pthread_attr_init(&type);
  2220         ],[
  2221         use_pthreads=yes
  2222         ])
  2223         AC_MSG_RESULT($use_pthreads)
  2224         # Restore the compiler flags and libraries
  2225         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2226 
  2227         # Do futher testing if we have pthread support...
  2228         if test x$use_pthreads = xyes; then
  2229             AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ])
  2230             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
  2231             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
  2232             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
  2233             SDL_LIBS="$SDL_LIBS $pthread_lib"
  2234 
  2235             # Save the original compiler flags and libraries
  2236             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2237             # Add the pthread compiler flags and libraries
  2238             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2239 
  2240             # Check to see if recursive mutexes are available
  2241             AC_MSG_CHECKING(for recursive mutexes)
  2242             has_recursive_mutexes=no
  2243             if test x$has_recursive_mutexes = xno; then
  2244                 AC_TRY_COMPILE([
  2245                   #include <pthread.h>
  2246                 ],[
  2247                   pthread_mutexattr_t attr;
  2248                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
  2249                 ],[
  2250                 has_recursive_mutexes=yes
  2251                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ])
  2252                 ])
  2253             fi
  2254             if test x$has_recursive_mutexes = xno; then
  2255                 AC_TRY_COMPILE([
  2256                   #include <pthread.h>
  2257                 ],[
  2258                   pthread_mutexattr_t attr;
  2259                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
  2260                 ],[
  2261                 has_recursive_mutexes=yes
  2262                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ])
  2263                 ])
  2264             fi
  2265             AC_MSG_RESULT($has_recursive_mutexes)
  2266 
  2267             # Check to see if pthread semaphore support is missing
  2268             if test x$enable_pthread_sem = xyes; then
  2269                 AC_MSG_CHECKING(for pthread semaphores)
  2270                 have_pthread_sem=no
  2271                 AC_TRY_COMPILE([
  2272                   #include <pthread.h>
  2273                   #include <semaphore.h>
  2274                 ],[
  2275                 ],[
  2276                 have_pthread_sem=yes
  2277                 ])
  2278                 AC_MSG_RESULT($have_pthread_sem)
  2279             fi
  2280             if test x$have_pthread_sem = xyes; then
  2281                 AC_MSG_CHECKING(for sem_timedwait)
  2282                 have_sem_timedwait=no
  2283                 AC_TRY_LINK([
  2284                   #include <pthread.h>
  2285                   #include <semaphore.h>
  2286                 ],[
  2287                   sem_timedwait(NULL, NULL);
  2288                 ],[
  2289                 have_sem_timedwait=yes
  2290                 AC_DEFINE(HAVE_SEM_TIMEDWAIT)
  2291                 ])
  2292                 AC_MSG_RESULT($have_sem_timedwait)
  2293             fi
  2294 
  2295             AC_MSG_CHECKING(for pthread_spin_trylock)
  2296             AC_TRY_LINK_FUNC(pthread_spin_trylock, [
  2297               has_pthread_spin_trylock=yes
  2298               AC_DEFINE(HAVE_PTHREAD_SPINLOCK, 1, [ ])
  2299             ],[
  2300               has_pthread_spin_trylock=no
  2301             ])
  2302             AC_MSG_RESULT($has_pthread_spin_trylock)
  2303 
  2304             AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes, have_pthread_np_h=no, [ #include <pthread.h> ])
  2305             if test x$have_pthread_np_h = xyes; then
  2306                 AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ])
  2307             fi
  2308 
  2309             # Check to see if pthread naming is available
  2310             AC_MSG_CHECKING(for pthread_setname_np)
  2311             AC_TRY_LINK_FUNC(pthread_setname_np, [
  2312               has_pthread_setname_np=yes
  2313               AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ])
  2314             ],[
  2315               has_pthread_setname_np=no
  2316             ])
  2317             AC_MSG_RESULT($has_pthread_setname_np)
  2318 
  2319             AC_MSG_CHECKING(for pthread_set_name_np)
  2320             AC_TRY_LINK_FUNC(pthread_set_name_np, [
  2321               has_pthread_set_name_np=yes
  2322               AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ])
  2323             ],[
  2324               has_pthread_set_name_np=no
  2325             ])
  2326             AC_MSG_RESULT($has_pthread_set_name_np)
  2327 
  2328             # Restore the compiler flags and libraries
  2329             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2330 
  2331             # Basic thread creation functions
  2332             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
  2333 
  2334             # Semaphores
  2335             # We can fake these with mutexes and condition variables if necessary
  2336             if test x$have_pthread_sem = xyes; then
  2337                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
  2338             else
  2339                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  2340             fi
  2341 
  2342             # Mutexes
  2343             # We can fake these with semaphores if necessary
  2344             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
  2345 
  2346             # Condition variables
  2347             # We can fake these with semaphores and mutexes if necessary
  2348             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
  2349 
  2350             # Thread local storage
  2351             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systls.c"
  2352 
  2353             have_threads=yes
  2354         fi
  2355     fi
  2356 }
  2357 
  2358 dnl Determine whether the compiler can produce Windows executables
  2359 CheckWINDOWS()
  2360 {
  2361     AC_MSG_CHECKING(Windows compiler)
  2362     have_win32_gcc=no
  2363     AC_TRY_COMPILE([
  2364      #include <windows.h>
  2365     ],[
  2366     ],[
  2367     have_win32_gcc=yes
  2368     ])
  2369     AC_MSG_RESULT($have_win32_gcc)
  2370     if test x$have_win32_gcc != xyes; then
  2371        AC_MSG_ERROR([
  2372 *** Your compiler ($CC) does not produce Windows executables!
  2373        ])
  2374     fi
  2375 
  2376     AC_MSG_CHECKING(Windows CE)
  2377     have_wince=no
  2378     AC_TRY_COMPILE([
  2379 #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__)
  2380 #error This is not Windows CE
  2381 #endif
  2382     ],[
  2383     ],[
  2384     have_wince=yes
  2385        AC_MSG_ERROR([
  2386 *** Sorry, Windows CE is no longer supported.
  2387        ])
  2388     ])
  2389     AC_MSG_RESULT($have_wince)
  2390 
  2391     # This fixes Windows stack alignment with newer GCC
  2392     CheckStackBoundary
  2393 }
  2394 
  2395 dnl Find the DirectX includes and libraries
  2396 CheckDIRECTX()
  2397 {
  2398     AC_ARG_ENABLE(directx,
  2399 AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
  2400                   , enable_directx=yes)
  2401     if test x$enable_directx = xyes; then
  2402         AC_CHECK_HEADER(d3d9.h, have_d3d=yes)
  2403         AC_CHECK_HEADER(d3d11_1.h, have_d3d11=yes)
  2404         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
  2405         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
  2406         AC_CHECK_HEADER(dinput.h, have_dinput=yes)
  2407         AC_CHECK_HEADER(xaudio2.h, have_xaudio2=yes)
  2408 
  2409         SUMMARY_video="${SUMMARY_video} directx"
  2410         SUMMARY_audio="${SUMMARY_audio} directx"
  2411 
  2412         # FIXME: latest Cygwin finds dinput headers, but we die on other win32 headers.
  2413         # FIXME:  ...so force it off for now.
  2414         case "$host" in
  2415             *-*-cygwin*)
  2416             have_dinput=false
  2417             ;;
  2418         esac
  2419     fi
  2420 }
  2421 
  2422 dnl Check for the dlfcn.h interface for dynamically loading objects
  2423 CheckDLOPEN()
  2424 {
  2425     AC_ARG_ENABLE(sdl-dlopen,
  2426 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
  2427                   , enable_sdl_dlopen=yes)
  2428     if test x$enable_sdl_dlopen = xyes; then
  2429         AC_MSG_CHECKING(for dlopen)
  2430         have_dlopen=no
  2431         AC_TRY_COMPILE([
  2432          #include <dlfcn.h>
  2433         ],[
  2434          void *handle = dlopen("", RTLD_NOW);
  2435          const char *loaderror = (char *) dlerror();
  2436         ],[
  2437         have_dlopen=yes
  2438         ])
  2439         AC_MSG_RESULT($have_dlopen)
  2440 
  2441         if test x$have_dlopen = xyes; then
  2442             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
  2443                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
  2444                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
  2445             AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ])
  2446             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
  2447             have_loadso=yes
  2448         fi
  2449     fi
  2450 }
  2451 
  2452 dnl Check for the usbhid(3) library on *BSD
  2453 CheckUSBHID()
  2454 {
  2455     case "$host" in
  2456         *-*-*bsd*)
  2457             if test x$enable_joystick = xyes; then
  2458                 AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
  2459                 if test x$have_libusbhid = xyes; then
  2460                     AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
  2461                     AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
  2462                     USB_LIBS="$USB_LIBS -lusbhid"
  2463                 else
  2464                     AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
  2465                     AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
  2466                     AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
  2467                 fi
  2468                     
  2469                 save_CFLAGS="$CFLAGS"
  2470                 CFLAGS="$CFLAGS $USB_CFLAGS"
  2471 
  2472                 AC_MSG_CHECKING(for usbhid)
  2473                 have_usbhid=no
  2474                 AC_TRY_COMPILE([
  2475                   #include <sys/types.h>
  2476                   #if defined(HAVE_USB_H)
  2477                   #include <usb.h>
  2478                   #endif
  2479                   #ifdef __DragonFly__
  2480                   # include <bus/usb/usb.h>
  2481                   # include <bus/usb/usbhid.h>
  2482                   #else
  2483                   # include <dev/usb/usb.h>
  2484                   # include <dev/usb/usbhid.h>
  2485                   #endif
  2486                   #if defined(HAVE_USBHID_H)
  2487                   #include <usbhid.h>
  2488                   #elif defined(HAVE_LIBUSB_H)
  2489                   #include <libusb.h>
  2490                   #elif defined(HAVE_LIBUSBHID_H)
  2491                   #include <libusbhid.h>
  2492                   #endif
  2493                 ],[
  2494                   struct report_desc *repdesc;
  2495                   struct usb_ctl_report *repbuf;
  2496                   hid_kind_t hidkind;
  2497                 ],[
  2498                 have_usbhid=yes
  2499                 ])
  2500                 AC_MSG_RESULT($have_usbhid)
  2501 
  2502                 if test x$have_usbhid = xyes; then
  2503                     AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
  2504                     have_usbhid_ucr_data=no
  2505                     AC_TRY_COMPILE([
  2506                       #include <sys/types.h>
  2507                       #if defined(HAVE_USB_H)
  2508                       #include <usb.h>
  2509                       #endif
  2510                       #ifdef __DragonFly__
  2511                       # include <bus/usb/usb.h>
  2512                       # include <bus/usb/usbhid.h>
  2513                       #else
  2514                       # include <dev/usb/usb.h>
  2515                       # include <dev/usb/usbhid.h>
  2516                       #endif
  2517                       #if defined(HAVE_USBHID_H)
  2518                       #include <usbhid.h>
  2519                       #elif defined(HAVE_LIBUSB_H)
  2520                       #include <libusb.h>
  2521                       #elif defined(HAVE_LIBUSBHID_H)
  2522                       #include <libusbhid.h>
  2523                       #endif
  2524                     ],[
  2525                       struct usb_ctl_report buf;
  2526                       if (buf.ucr_data) { }
  2527                     ],[
  2528                     have_usbhid_ucr_data=yes
  2529                     ])
  2530                     if test x$have_usbhid_ucr_data = xyes; then
  2531                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
  2532                     fi
  2533                     AC_MSG_RESULT($have_usbhid_ucr_data)
  2534                     
  2535                     AC_MSG_CHECKING(for new usbhid API)
  2536                     have_usbhid_new=no
  2537                     AC_TRY_COMPILE([
  2538                       #include <sys/types.h>
  2539                       #if defined(HAVE_USB_H)
  2540                       #include <usb.h>
  2541                       #endif
  2542                       #ifdef __DragonFly__
  2543                       #include <bus/usb/usb.h>
  2544                       #include <bus/usb/usbhid.h>
  2545                       #else
  2546                       #include <dev/usb/usb.h>
  2547                       #include <dev/usb/usbhid.h>
  2548                       #endif
  2549                       #if defined(HAVE_USBHID_H)
  2550                       #include <usbhid.h>
  2551                       #elif defined(HAVE_LIBUSB_H)
  2552                       #include <libusb.h>
  2553                       #elif defined(HAVE_LIBUSBHID_H)
  2554                       #include <libusbhid.h>
  2555                       #endif
  2556                     ],[
  2557                       report_desc_t d;
  2558                       hid_start_parse(d, 1, 1);
  2559                     ],[
  2560                     have_usbhid_new=yes
  2561                     ])
  2562                     if test x$have_usbhid_new = xyes; then
  2563                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
  2564                     fi
  2565                     AC_MSG_RESULT($have_usbhid_new)
  2566 
  2567                     AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
  2568                     have_machine_joystick=no
  2569                     AC_TRY_COMPILE([
  2570                       #include <machine/joystick.h>
  2571                     ],[
  2572                       struct joystick t;
  2573                     ],[
  2574                     have_machine_joystick=yes
  2575                     ])
  2576                     if test x$have_machine_joystick = xyes; then
  2577                         AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H, 1, [ ])
  2578                     fi
  2579                     AC_MSG_RESULT($have_machine_joystick)
  2580 
  2581                     AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ])
  2582                     SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
  2583                     EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
  2584                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
  2585                     have_joystick=yes
  2586                 fi
  2587                 CFLAGS="$save_CFLAGS"
  2588             fi
  2589         ;;
  2590     esac
  2591 }
  2592 
  2593 dnl Check for clock_gettime()
  2594 CheckClockGettime()
  2595 {
  2596     AC_ARG_ENABLE(clock_gettime,
  2597 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),
  2598                   , enable_clock_gettime=yes)
  2599     if test x$enable_clock_gettime = xyes; then
  2600         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
  2601         if test x$have_clock_gettime = xyes; then
  2602             AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2603             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
  2604         else
  2605             AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes)
  2606             if test x$have_clock_gettime = xyes; then
  2607                AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2608                EXTRA_LDFLAGS="$EXTRA_LDFLAGS"
  2609             fi
  2610         fi
  2611     fi
  2612 }
  2613 
  2614 dnl Check for a valid linux/version.h
  2615 CheckLinuxVersion()
  2616 {
  2617     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
  2618     if test x$have_linux_version_h = xyes; then
  2619         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
  2620     fi
  2621 }
  2622 
  2623 dnl Check if we want to use RPATH
  2624 CheckRPATH()
  2625 {
  2626     AC_ARG_ENABLE(rpath,
  2627 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
  2628                   , enable_rpath=yes)
  2629 }
  2630 
  2631 dnl Set up the configuration based on the host platform!
  2632 case "$host" in
  2633     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*)
  2634         case "$host" in
  2635             *-raspberry-linux*)
  2636                 # Raspberry Pi
  2637                 ARCH=linux
  2638                 RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
  2639                 CFLAGS="$CFLAGS $RPI_CFLAGS"
  2640                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
  2641                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
  2642                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L/opt/vc/lib -lbcm_host -ldl"
  2643 
  2644                 if test x$enable_video = xyes; then
  2645                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
  2646                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
  2647                 fi
  2648                 ;;
  2649             *-*-androideabi*)
  2650                 # Android
  2651                 ARCH=android
  2652                 ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"
  2653                 CFLAGS="$CFLAGS $ANDROID_CFLAGS"
  2654                 SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS"
  2655                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS"
  2656                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid"
  2657 
  2658                 if test x$enable_video = xyes; then
  2659                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
  2660                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
  2661                 fi
  2662                 ;;
  2663             *-*-linux*)         ARCH=linux ;;
  2664             *-*-uclinux*)       ARCH=linux ;;
  2665             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
  2666             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
  2667             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
  2668             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
  2669             *-*-bsdi*)          ARCH=bsdi ;;
  2670             *-*-freebsd*)       ARCH=freebsd ;;
  2671             *-*-dragonfly*)     ARCH=freebsd ;;
  2672             *-*-netbsd*)        ARCH=netbsd ;;
  2673             *-*-openbsd*)       ARCH=openbsd ;;
  2674             *-*-sysv5*)         ARCH=sysv5 ;;
  2675             *-*-solaris*)       ARCH=solaris ;;
  2676             *-*-hpux*)          ARCH=hpux ;;
  2677             *-*-aix*)           ARCH=aix ;;
  2678             *-*-minix*)         ARCH=minix ;;
  2679         esac
  2680         CheckVisibilityHidden
  2681         CheckDummyVideo
  2682         CheckDiskAudio
  2683         CheckDummyAudio
  2684         CheckDLOPEN
  2685         CheckOSS
  2686         CheckALSA
  2687         CheckPulseAudio
  2688         CheckARTSC
  2689         CheckESD
  2690         CheckNAS
  2691         CheckSNDIO
  2692         CheckX11
  2693         CheckWayland
  2694         CheckMir
  2695         CheckDirectFB
  2696         CheckFusionSound
  2697         CheckOpenGLX11
  2698         CheckOpenGLESX11
  2699         CheckLibUDev
  2700         CheckDBus
  2701         CheckInputEvents
  2702         CheckInputKD
  2703         CheckTslib
  2704         CheckUSBHID
  2705         CheckPTHREAD
  2706         CheckClockGettime
  2707         CheckLinuxVersion
  2708         CheckRPATH
  2709         # Set up files for the audio library
  2710         if test x$enable_audio = xyes; then
  2711           case $ARCH in
  2712             sysv5|solaris|hpux)
  2713                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ])
  2714                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  2715                 have_audio=yes
  2716             ;;
  2717             netbsd)  # Don't use this on OpenBSD, it's busted.
  2718                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD, 1, [ ])
  2719                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
  2720                 have_audio=yes
  2721             ;;
  2722             aix)
  2723                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ])
  2724                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
  2725                 have_audio=yes
  2726             ;;
  2727             android)
  2728                 AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ])
  2729                 SOURCES="$SOURCES $srcdir/src/audio/android/*.c"
  2730                 have_audio=yes
  2731             ;;
  2732           esac
  2733         fi
  2734         # Set up files for the joystick library
  2735         if test x$enable_joystick = xyes; then
  2736           case $ARCH in
  2737             linux)
  2738                 AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ])
  2739                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
  2740                 have_joystick=yes
  2741             ;;
  2742             android)
  2743                 AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ])
  2744                 SOURCES="$SOURCES $srcdir/src/joystick/android/*.c"
  2745                 have_joystick=yes
  2746             ;;
  2747           esac
  2748         fi
  2749         # Set up files for the haptic library
  2750         if test x$enable_haptic = xyes; then
  2751            if test x$use_input_events = xyes; then
  2752              case $ARCH in
  2753                linux)
  2754                    AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ])
  2755                    SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"
  2756                    have_haptic=yes
  2757                ;;
  2758              esac
  2759            fi
  2760         fi
  2761         # Set up files for the power library
  2762         if test x$enable_power = xyes; then
  2763              case $ARCH in
  2764                linux)
  2765                    AC_DEFINE(SDL_POWER_LINUX, 1, [ ])
  2766                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"
  2767                    have_power=yes
  2768                ;;
  2769                android)
  2770                    AC_DEFINE(SDL_POWER_ANDROID, 1, [ ])
  2771                    SOURCES="$SOURCES $srcdir/src/power/android/*.c"
  2772                    have_power=yes
  2773                ;;
  2774              esac
  2775         fi
  2776         # Set up files for the filesystem library
  2777         if test x$enable_filesystem = xyes; then
  2778             AC_DEFINE(SDL_FILESYSTEM_UNIX, 1, [ ])
  2779             SOURCES="$SOURCES $srcdir/src/filesystem/unix/*.c"
  2780             have_filesystem=yes
  2781         fi
  2782         # Set up files for the timer library
  2783         if test x$enable_timers = xyes; then
  2784             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  2785             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2786             have_timers=yes
  2787         fi
  2788         # Set up files for udev hotplugging support
  2789         if test x$enable_libudev = xyes && test x$have_libudev_h_hdr = xyes; then
  2790             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_udev.c"               
  2791         fi
  2792         # Set up files for evdev input
  2793         if test x$use_input_events = xyes; then
  2794             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev.c"
  2795         fi       
  2796         ;;
  2797     *-*-cygwin* | *-*-mingw32*)
  2798         ARCH=win32
  2799         if test "$build" != "$host"; then # cross-compiling
  2800             # Default cross-compile location
  2801             ac_default_prefix=/usr/local/cross-tools/$host
  2802         else
  2803             # Look for the location of the tools and install there
  2804             if test "$BUILD_PREFIX" != ""; then
  2805                 ac_default_prefix=$BUILD_PREFIX
  2806             fi
  2807         fi
  2808         CheckDummyVideo
  2809         CheckDiskAudio
  2810         CheckDummyAudio
  2811         CheckWINDOWS
  2812         CheckWINDOWSGL
  2813         CheckWINDOWSGLES
  2814         CheckDIRECTX
  2815 
  2816         # Set up the core platform files
  2817         SOURCES="$SOURCES $srcdir/src/core/windows/*.c"
  2818 
  2819         # Set up files for the video library
  2820         if test x$enable_video = xyes; then
  2821             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])
  2822             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
  2823             have_video=yes
  2824             AC_ARG_ENABLE(render-d3d,
  2825 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
  2826                                 , enable_render_d3d=yes)
  2827             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
  2828                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])
  2829             fi
  2830             if test x$enable_render_d3d = xyes -a x$have_d3d11 = xyes; then
  2831                 AC_DEFINE(SDL_VIDEO_RENDER_D3D11, 1, [ ])
  2832             fi
  2833         fi
  2834         # Set up files for the audio library
  2835         if test x$enable_audio = xyes; then
  2836             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])
  2837             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"
  2838             if test x$have_dsound = xyes; then
  2839                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])
  2840                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"
  2841             fi
  2842             if test x$have_xaudio2 = xyes; then
  2843                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
  2844                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
  2845             fi
  2846             have_audio=yes
  2847         fi
  2848         # Set up files for the joystick library
  2849         if test x$enable_joystick = xyes; then
  2850             if test x$have_dinput = xyes; then
  2851                 AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ])
  2852                 SOURCES="$SOURCES $srcdir/src/joystick/windows/SDL_dxjoystick.c"
  2853                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8"
  2854             else
  2855                 AC_DEFINE(SDL_JOYSTICK_WINMM, 1, [ ])
  2856                 SOURCES="$SOURCES $srcdir/src/joystick/windows/SDL_mmjoystick.c"
  2857             fi
  2858             have_joystick=yes
  2859         fi
  2860         if test x$enable_haptic = xyes; then
  2861             if test x$have_dinput = xyes; then
  2862                 AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ])
  2863                 SOURCES="$SOURCES $srcdir/src/haptic/windows/SDL_syshaptic.c"
  2864                 have_haptic=yes
  2865             fi
  2866         fi
  2867         if test x$enable_power = xyes; then
  2868             AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ])
  2869             SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c"
  2870             have_power=yes
  2871         fi
  2872         if test x$enable_filesystem = xyes; then
  2873             AC_DEFINE(SDL_FILESYSTEM_WINDOWS, 1, [ ])
  2874             SOURCES="$SOURCES $srcdir/src/filesystem/windows/SDL_sysfilesystem.c"
  2875             have_filesystem=yes
  2876         fi
  2877         # Set up files for the thread library
  2878         if test x$enable_threads = xyes; then
  2879             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])
  2880             SOURCES="$SOURCES $srcdir/src/thread/windows/*.c"
  2881             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2882             have_threads=yes
  2883         fi
  2884         # Set up files for the timer library
  2885         if test x$enable_timers = xyes; then
  2886             AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ])
  2887             SOURCES="$SOURCES $srcdir/src/timer/windows/*.c"
  2888             have_timers=yes
  2889         fi
  2890         # Set up files for the shared object loading library
  2891         if test x$enable_loadso = xyes; then
  2892             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])
  2893             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"
  2894             have_loadso=yes
  2895         fi
  2896         # Set up the system libraries we need
  2897         if test -f /lib/w32api/libuuid.a; then
  2898             LIBUUID=/lib/w32api/libuuid.a
  2899         else
  2900             LIBUUID=-luuid
  2901         fi
  2902         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion $LIBUUID -XCClinker -static-libgcc"
  2903         # The Windows platform requires special setup
  2904         VERSION_SOURCES="$srcdir/src/main/windows/*.rc"
  2905         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
  2906         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
  2907         SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows"
  2908 
  2909         # Check to see if this is a mingw or cygwin build
  2910         have_mingw32=
  2911         AC_CHECK_LIB(mingw32, main, [have_mingw32=yes])
  2912         if test x$have_mingw32 = xyes; then
  2913             SDL_LIBS="-lmingw32 $SDL_LIBS"
  2914         else
  2915             SDL_LIBS="-lcygwin $SDL_LIBS"
  2916         fi
  2917         ;;
  2918 
  2919     dnl BeOS support removed after SDL 2.0.1. Haiku still works.  --ryan.
  2920     *-*-beos*)
  2921         AC_MSG_ERROR([
  2922 *** BeOS support has been removed as of SDL 2.0.2.
  2923         ])
  2924         ;;
  2925 
  2926     *-*-haiku*)
  2927         ARCH=haiku
  2928         ac_default_prefix=/boot/system
  2929         CheckDummyVideo
  2930         CheckDiskAudio
  2931         CheckDummyAudio
  2932         CheckHaikuVideo
  2933         CheckHaikuGL
  2934         CheckPTHREAD
  2935 
  2936         # Set up files for the audio library
  2937         if test x$enable_audio = xyes; then
  2938             AC_DEFINE(SDL_AUDIO_DRIVER_HAIKU, 1, [ ])
  2939             SOURCES="$SOURCES $srcdir/src/audio/haiku/*.cc"
  2940             have_audio=yes
  2941         fi
  2942         # Set up files for the joystick library
  2943         if test x$enable_joystick = xyes; then
  2944             AC_DEFINE(SDL_JOYSTICK_HAIKU, 1, [ ])
  2945             SOURCES="$SOURCES $srcdir/src/joystick/haiku/*.cc"
  2946             have_joystick=yes
  2947         fi
  2948         # Set up files for the timer library
  2949         if test x$enable_timers = xyes; then
  2950             AC_DEFINE(SDL_TIMER_HAIKU, 1, [ ])
  2951             SOURCES="$SOURCES $srcdir/src/timer/haiku/*.c"
  2952             have_timers=yes
  2953         fi
  2954         # Set up files for the shared object loading library
  2955         if test x$enable_loadso = xyes; then
  2956             AC_DEFINE(SDL_LOADSO_HAIKU, 1, [ ])
  2957             SOURCES="$SOURCES $srcdir/src/loadso/haiku/*.c"
  2958             have_loadso=yes
  2959         fi
  2960         # Set up files for the system power library
  2961         if test x$enable_power = xyes; then
  2962             AC_DEFINE(SDL_POWER_HAIKU, 1, [ ])
  2963             SOURCES="$SOURCES $srcdir/src/power/haiku/*.c"
  2964             have_power=yes
  2965         fi
  2966         # Set up files for the system filesystem library
  2967         if test x$enable_filesystem = xyes; then
  2968             AC_DEFINE(SDL_FILESYSTEM_HAIKU, 1, [ ])
  2969             SOURCES="$SOURCES $srcdir/src/filesystem/haiku/*.cc"
  2970             have_filesystem=yes
  2971         fi
  2972         # The Haiku platform requires special setup.
  2973         SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES"
  2974         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
  2975         ;;
  2976     arm*-apple-darwin*)
  2977         # iOS - We are not writing anything to confdefs.h because you have to replace
  2978         # SDL_config.h for SDL_config_iphoneos.h anyway
  2979         ARCH=ios
  2980 
  2981         CheckVisibilityHidden
  2982         CheckDummyVideo
  2983         CheckDiskAudio
  2984         CheckDummyAudio
  2985         CheckDLOPEN
  2986         CheckCOCOA
  2987         CheckPTHREAD
  2988 
  2989 
  2990         # Set up files for the audio library
  2991         if test x$enable_audio = xyes; then
  2992             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  2993             have_audio=yes
  2994         fi
  2995         # Set up files for the joystick library
  2996         if test x$enable_joystick = xyes; then
  2997             SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m"
  2998             have_joystick=yes
  2999         fi
  3000         # Set up files for the haptic library
  3001         #if test x$enable_haptic = xyes; then
  3002         #    SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3003         #    have_haptic=yes
  3004         #    EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3005         #fi
  3006         # Set up files for the power library
  3007         if test x$enable_power = xyes; then
  3008             SOURCES="$SOURCES $srcdir/src/power/uikit/*.m"
  3009             have_power=yes
  3010         fi
  3011         # Set up files for the filesystem library
  3012         if test x$enable_filesystem = xyes; then
  3013             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3014             have_filesystem=yes
  3015         fi
  3016         # Set up files for the timer library
  3017         if test x$enable_timers = xyes; then
  3018             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3019             have_timers=yes
  3020         fi
  3021         # Set up additional files for the file library
  3022         if test x$enable_file = xyes; then
  3023             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3024         fi
  3025         # The iOS platform requires special setup.
  3026         SOURCES="$SOURCES $srcdir/src/video/uikit/*.m"
  3027         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3028         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -liconv -lobjc"
  3029         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Foundation"
  3030         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"
  3031         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGLES"
  3032         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"
  3033         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio"
  3034         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox"
  3035         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreGraphics"
  3036         ;;
  3037     *-*-darwin* )
  3038         # This could be either full "Mac OS X", or plain "Darwin" which is
  3039         # just the OS X kernel sans upper layers like Carbon and Cocoa.
  3040         # Next line is broken, and a few files below require Mac OS X (full)
  3041         ARCH=macosx
  3042 
  3043         # Mac OS X builds with both the Carbon and OSX APIs at the moment
  3044         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
  3045         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
  3046 
  3047         CheckVisibilityHidden
  3048         CheckDummyVideo
  3049         CheckDiskAudio
  3050         CheckDummyAudio
  3051         CheckDLOPEN
  3052         CheckCOCOA
  3053         CheckX11
  3054         CheckMacGL
  3055         CheckOpenGLX11
  3056         CheckPTHREAD
  3057 
  3058         # Set up files for the audio library
  3059         if test x$enable_audio = xyes; then
  3060             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
  3061             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  3062             have_audio=yes
  3063         fi
  3064         # Set up files for the joystick library
  3065         if test x$enable_joystick = xyes; then
  3066             AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ])
  3067             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
  3068             have_joystick=yes
  3069         fi
  3070         # Set up files for the haptic library
  3071         if test x$enable_haptic = xyes; then
  3072             AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ])
  3073             SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3074             have_haptic=yes
  3075             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3076         fi
  3077         # Set up files for the power library
  3078         if test x$enable_power = xyes; then
  3079             AC_DEFINE(SDL_POWER_MACOSX, 1, [ ])
  3080             SOURCES="$SOURCES $srcdir/src/power/macosx/*.c"
  3081             have_power=yes
  3082         fi
  3083         # Set up files for the filesystem library
  3084         if test x$enable_filesystem = xyes; then
  3085             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])
  3086             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3087             have_filesystem=yes
  3088         fi
  3089         # Set up files for the timer library
  3090         if test x$enable_timers = xyes; then
  3091             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3092             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3093             have_timers=yes
  3094         fi
  3095         # Set up additional files for the file library
  3096         if test x$enable_file = xyes; then
  3097             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3098         fi
  3099         # The Mac OS X platform requires special setup.
  3100         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3101         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc"
  3102         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
  3103         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
  3104         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
  3105         # If audio is used, add the AudioUnit framework
  3106         if test x$enable_audio = xyes; then
  3107             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit"
  3108         fi
  3109         ;;
  3110     *)
  3111         AC_MSG_ERROR([
  3112 *** Unsupported host:  Please add to configure.in
  3113         ])
  3114         ;;
  3115 esac
  3116 
  3117 dnl Do this on all platforms, after everything else.
  3118 CheckWarnAll
  3119 
  3120 # Verify that we have all the platform specific files we need
  3121 
  3122 if test x$have_joystick != xyes; then
  3123     if test x$enable_joystick = xyes; then
  3124         AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
  3125     fi
  3126     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
  3127 fi
  3128 if test x$have_haptic != xyes; then
  3129     if test x$enable_haptic = xyes; then
  3130         AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
  3131     fi
  3132     SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c"
  3133 fi
  3134 if test x$have_threads != xyes; then
  3135     if test x$enable_threads = xyes; then
  3136         AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
  3137     fi
  3138     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
  3139 fi
  3140 if test x$have_timers != xyes; then
  3141     if test x$enable_timers = xyes; then
  3142         AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
  3143     fi
  3144     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
  3145 fi
  3146 if test x$have_filesystem != xyes; then
  3147     if test x$enable_filesystem = xyes; then
  3148         AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
  3149     fi
  3150     SOURCES="$SOURCES $srcdir/src/filesystem/dummy/*.c"
  3151 fi
  3152 if test x$have_loadso != xyes; then
  3153     if test x$enable_loadso = xyes; then
  3154         AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
  3155     fi
  3156     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
  3157 fi
  3158 if test x$SDLMAIN_SOURCES = x; then
  3159     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
  3160 fi
  3161 SDLTEST_SOURCES="$srcdir/src/test/*.c"
  3162 
  3163 OBJECTS=`echo $SOURCES`
  3164 DEPENDS=`echo $SOURCES | tr ' ' '\n'`
  3165 for EXT in asm cc m c S; do
  3166     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`
  3167     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\
  3168 \\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
  3169 	\\$(LIBTOOL) --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3170 done
  3171 
  3172 VERSION_OBJECTS=`echo $VERSION_SOURCES`
  3173 VERSION_DEPENDS=`echo $VERSION_SOURCES`
  3174 VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
  3175 VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\
  3176 \\$(objects)/\\2.o: \\1/\\2.rc\\\\
  3177 	\\$(WINDRES) \\$< \\$@,g"`
  3178 
  3179 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
  3180 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
  3181 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3182 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3183 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3184 	\\$(LIBTOOL) --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3185 
  3186 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`
  3187 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`
  3188 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3189 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3190 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3191 	\\$(LIBTOOL) --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3192 
  3193 # Set runtime shared library paths as needed
  3194 
  3195 if test "x$enable_rpath" = "xyes"; then
  3196   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
  3197     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
  3198   fi
  3199   if test $ARCH = solaris; then
  3200     SDL_RLD_FLAGS="-R\${libdir}"
  3201   fi
  3202 else
  3203   SDL_RLD_FLAGS=""
  3204 fi
  3205 
  3206 SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
  3207 
  3208 dnl Expand the cflags and libraries needed by apps using SDL
  3209 AC_SUBST(SDL_CFLAGS)
  3210 AC_SUBST(SDL_LIBS)
  3211 AC_SUBST(SDL_STATIC_LIBS)
  3212 AC_SUBST(SDL_RLD_FLAGS)
  3213 if test x$enable_shared = xyes; then
  3214     ENABLE_SHARED_TRUE=
  3215     ENABLE_SHARED_FALSE="#"
  3216 else
  3217     ENABLE_SHARED_TRUE="#"
  3218     ENABLE_SHARED_FALSE=
  3219 fi
  3220 if test x$enable_static = xyes; then
  3221     ENABLE_STATIC_TRUE=
  3222     ENABLE_STATIC_FALSE="#"
  3223 else
  3224     ENABLE_STATIC_TRUE="#"
  3225     ENABLE_STATIC_FALSE=
  3226 fi
  3227 AC_SUBST(ENABLE_SHARED_TRUE)
  3228 AC_SUBST(ENABLE_SHARED_FALSE)
  3229 AC_SUBST(ENABLE_STATIC_TRUE)
  3230 AC_SUBST(ENABLE_STATIC_FALSE)
  3231 
  3232 dnl Expand the sources and objects needed to build the library
  3233 AC_SUBST(ac_aux_dir)
  3234 AC_SUBST(INCLUDE)
  3235 AC_SUBST(OBJECTS)
  3236 AC_SUBST(VERSION_OBJECTS)
  3237 AC_SUBST(SDLMAIN_OBJECTS)
  3238 AC_SUBST(SDLTEST_OBJECTS)
  3239 AC_SUBST(BUILD_CFLAGS)
  3240 AC_SUBST(EXTRA_CFLAGS)
  3241 AC_SUBST(BUILD_LDFLAGS)
  3242 AC_SUBST(EXTRA_LDFLAGS)
  3243 AC_SUBST(WINDRES)
  3244 
  3245 cat >Makefile.rules <<__EOF__
  3246 
  3247 # Build rules for objects
  3248 -include \$(OBJECTS:.lo=.d)
  3249 
  3250 # Special dependency for SDL.c, since it depends on SDL_revision.h
  3251 $srcdir/src/SDL.c: update-revision
  3252 $DEPENDS
  3253 $VERSION_DEPENDS
  3254 $SDLMAIN_DEPENDS
  3255 $SDLTEST_DEPENDS
  3256 __EOF__
  3257 
  3258 AC_CONFIG_FILES([
  3259     Makefile:Makefile.in:Makefile.rules sdl2-config SDL2.spec sdl2.pc
  3260 ])
  3261 AC_CONFIG_COMMANDS([sdl2_config],[chmod a+x sdl2-config])
  3262 
  3263 SUMMARY="SDL2 Configure Summary:\n"
  3264 if test x$enable_shared = xyes; then
  3265     SUMMARY="${SUMMARY}Building Shared Libraries\n"
  3266 fi
  3267 if test x$enable_static = xyes; then
  3268     SUMMARY="${SUMMARY}Building Static Libraries\n"
  3269 fi
  3270 SUMMARY="${SUMMARY}Enabled modules :${SUMMARY_modules}\n"
  3271 SUMMARY="${SUMMARY}Assembly Math   :${SUMMARY_math}\n" 
  3272 SUMMARY="${SUMMARY}Audio drivers   :${SUMMARY_audio}\n"
  3273 SUMMARY="${SUMMARY}Video drivers   :${SUMMARY_video}\n"
  3274 if test x$have_x = xyes; then
  3275     SUMMARY="${SUMMARY}X11 libraries   :${SUMMARY_video_x11}\n"
  3276 fi
  3277 SUMMARY="${SUMMARY}Input drivers   :${SUMMARY_input}\n"
  3278 if test x$enable_libudev = xyes; then
  3279     SUMMARY="${SUMMARY}Using libudev   : YES\n"
  3280 else
  3281     SUMMARY="${SUMMARY}Using libudev   : NO\n"
  3282 fi
  3283 if test x$have_dbus_dbus_h_hdr = xyes; then
  3284     SUMMARY="${SUMMARY}Using dbus      : YES\n"
  3285 else
  3286     SUMMARY="${SUMMARY}Using dbus      : NO\n"
  3287 fi
  3288 AC_CONFIG_COMMANDS([summary], [echo -en "$SUMMARY"], [SUMMARY="$SUMMARY"])
  3289 
  3290 AC_OUTPUT