configure.in
author Ryan C. Gordon <icculus@icculus.org>
Thu, 05 Jun 2014 11:04:07 -0400
changeset 8828 0b7aae26e494
parent 8774 3e2b3019a879
child 8833 ae720d61d14d
permissions -rw-r--r--
Don't link directly against OpenGL.framework on Mac OS X.

We dlopen() it as appropriate already.
     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 && \
  1178             test x$video_opengl_egl = xyes && \
  1179             test x$video_opengles_v2 = xyes; then
  1180             if $PKG_CONFIG --exists wayland-client wayland-egl wayland-cursor egl xkbcommon ; then
  1181                 WAYLAND_CFLAGS=`$PKG_CONFIG --cflags wayland-client wayland-egl wayland-cursor xkbcommon`
  1182                 WAYLAND_LIBS=`$PKG_CONFIG --libs wayland-client wayland-egl wayland-cursor xkbcommon`
  1183                 video_wayland=yes
  1184             fi
  1185         fi
  1186         AC_MSG_RESULT($video_wayland)
  1187 
  1188         if test x$video_wayland = xyes; then
  1189             AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND, 1, [ ])
  1190             if test x$enable_video_wayland_qt_touch = xyes; then
  1191                 AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH, 1, [ ])
  1192             fi
  1193             SOURCES="$SOURCES $srcdir/src/video/wayland/*.c"
  1194             EXTRA_CFLAGS="$EXTRA_CFLAGS $WAYLAND_CFLAGS"
  1195             AC_ARG_ENABLE(wayland-shared,
  1196 AC_HELP_STRING([--enable-wayland-shared], [dynamically load Wayland support [[default=maybe]]]),
  1197                           , enable_wayland_shared=maybe)
  1198 
  1199             dnl FIXME: Do BSD and OS X need special cases?
  1200             case "$host" in
  1201                 *)
  1202                     wayland_client_lib=[`find_lib "libwayland-client.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1203                     wayland_egl_lib=[`find_lib "libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1204                     if test x$wayland_egl_lib = x; then
  1205                         dnl This works in Ubuntu 13.10, maybe others
  1206                         wayland_egl_lib=[`find_lib "mesa-egl/libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1207                     fi
  1208                     wayland_cursor_lib=[`find_lib "libwayland-cursor.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1209                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1210                     ;;
  1211             esac
  1212 
  1213             if test x$enable_wayland_shared = xmaybe; then
  1214                 enable_wayland_shared=yes
  1215             fi
  1216             if test x$have_loadso != xyes && \
  1217                test x$enable_wayland_shared = xyes; then
  1218                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Wayland loading])
  1219                 enable_wayland_shared=no
  1220             fi
  1221             if test x$have_loadso = xyes && \
  1222                test x$enable_wayland_shared = xyes && \
  1223                test x$wayland_client_lib != x && \
  1224                test x$wayland_egl_lib != x && \
  1225                test x$wayland_cursor_lib != x && \
  1226                test x$xkbcommon_lib != x; then
  1227                 echo "-- dynamic libwayland-client -> $wayland_client_lib"
  1228                 echo "-- dynamic libwayland-egl -> $wayland_egl_lib"
  1229                 echo "-- dynamic libwayland-cursor -> $wayland_cursor_lib"
  1230                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1231                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC, "$wayland_client_lib", [ ])
  1232                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_EGL, "$wayland_egl_lib", [ ])
  1233                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_CURSOR, "$wayland_cursor_lib", [ ])
  1234                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1235                 SUMMARY_video="${SUMMARY_video} wayland(dynamic)"
  1236             else
  1237                 enable_wayland_shared=no
  1238                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $WAYLAND_LIBS"
  1239                 SUMMARY_video="${SUMMARY_video} wayland"
  1240             fi
  1241             have_video=yes
  1242         fi
  1243     fi
  1244 }
  1245 
  1246 dnl Check for Mir
  1247 CheckMir()
  1248 {
  1249     AC_ARG_ENABLE(video-mir,
  1250 AC_HELP_STRING([--enable-video-mir], [use Mir video driver [[default=yes]]]),
  1251                   ,enable_video_mir=yes)
  1252 
  1253     if test x$enable_video = xyes -a x$enable_video_mir = xyes; then
  1254         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1255         AC_MSG_CHECKING(for Mir support)
  1256         video_mir=no
  1257         if test x$PKG_CONFIG != xno; then
  1258             if $PKG_CONFIG --exists mirclient egl xkbcommon ; then
  1259                 MIR_CFLAGS=`$PKG_CONFIG --cflags mirclient egl xkbcommon`
  1260                 MIR_LIBS=`$PKG_CONFIG --libs mirclient egl xkbcommon`
  1261                 save_CFLAGS="$CFLAGS"
  1262                 CFLAGS="$save_CFLAGS $MIR_CFLAGS"
  1263                 
  1264                 dnl This will disable Mir on Ubuntu < 14.04
  1265                 AC_TRY_COMPILE([
  1266                 #include <mir_toolkit/mir_client_library.h>
  1267                 ],[
  1268                     MirMotionToolType tool = mir_motion_tool_type_mouse;
  1269                 ],[
  1270                 video_mir=yes
  1271                 ])
  1272                 CFLAGS="$save_CFLAGS"
  1273             fi
  1274         fi
  1275         AC_MSG_RESULT($video_mir)
  1276 
  1277         if test x$video_mir = xyes; then
  1278             AC_DEFINE(SDL_VIDEO_DRIVER_MIR, 1, [ ])
  1279             SOURCES="$SOURCES $srcdir/src/video/mir/*.c"
  1280             EXTRA_CFLAGS="$EXTRA_CFLAGS $MIR_CFLAGS"
  1281             AC_ARG_ENABLE(mir-shared,
  1282 AC_HELP_STRING([--enable-mir-shared], [dynamically load Mir support [[default=maybe]]]),
  1283                           , enable_mir_shared=maybe)
  1284 
  1285             dnl FIXME: Do BSD and OS X need special cases?
  1286             case "$host" in
  1287                 *)
  1288                     mirclient_lib=[`find_lib "libmirclient.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1289                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1290                     ;;
  1291             esac
  1292 
  1293             if test x$enable_mir_shared = xmaybe; then
  1294                 enable_mir_shared=yes
  1295             fi
  1296             if test x$have_loadso != xyes && \
  1297                test x$enable_mir_shared = xyes; then
  1298                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Mir loading])
  1299                 enable_mir_shared=no
  1300             fi
  1301             if test x$have_loadso = xyes && \
  1302                test x$enable_mir_shared = xyes && \
  1303                test x$mirclient_lib != x && \
  1304                test x$xkbcommon_lib != x; then
  1305                 echo "-- dynamic libmirclient -> $mirclient_lib"
  1306                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1307                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC, "$mirclient_lib", [ ])
  1308                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1309                 SUMMARY_video="${SUMMARY_video} mir(dynamic)"
  1310             else
  1311                 enable_mir_shared=no
  1312                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MIR_LIBS"
  1313                 SUMMARY_video="${SUMMARY_video} mir"
  1314             fi
  1315             have_video=yes
  1316         fi
  1317     fi
  1318 }
  1319 
  1320 
  1321 dnl Find the X11 include and library directories
  1322 CheckX11()
  1323 {
  1324 
  1325 
  1326     AC_ARG_ENABLE(video-x11,
  1327 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
  1328                   , enable_video_x11=yes)
  1329     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
  1330         case "$host" in
  1331             *-*-darwin*)
  1332                 # This isn't necessary for X11, but fixes GLX detection
  1333                 if test "x$x_includes" = xNONE && \
  1334                    test "x$x_libraries" = xNONE && \
  1335                    test -d /usr/X11R6/include && \
  1336                    test -d /usr/X11R6/lib; then
  1337                     x_includes="/usr/X11R6/include"
  1338                     x_libraries="/usr/X11R6/lib"
  1339                 fi
  1340                 ;;
  1341         esac
  1342         AC_PATH_X
  1343         AC_PATH_XTRA
  1344         if test x$have_x = xyes; then
  1345             AC_ARG_ENABLE(x11-shared,
  1346 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
  1347                           , enable_x11_shared=maybe)
  1348 
  1349             case "$host" in
  1350                 *-*-darwin*)
  1351                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
  1352                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
  1353                     xcursor_lib='/usr/X11R6/lib/libXcursor.1.dylib'
  1354                     xinerama_lib='/usr/X11R6/lib/libXinerama.1.dylib'
  1355                     xinput_lib='/usr/X11R6/lib/libXi.6.dylib'
  1356                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
  1357                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
  1358                     xss_lib='/usr/X11R6/lib/libXss.1.dylib'
  1359                     xvidmode_lib='/usr/X11R6/lib/libXxf86vm.1.dylib'
  1360                     ;;
  1361                 *-*-openbsd*)
  1362                     x11_lib='libX11.so'
  1363                     x11ext_lib='libXext.so'
  1364                     xcursor_lib='libXcursor.so'
  1365                     xinerama_lib='libXinerama.so'
  1366                     xinput_lib='libXi.so'
  1367                     xrandr_lib='libXrandr.so'
  1368                     xrender_lib='libXrender.so'
  1369                     xss_lib='libXss.so'
  1370                     xvidmode_lib='libXxf86vm.so'
  1371                     ;;
  1372                 *)
  1373                     x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1374                     x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1375                     xcursor_lib=[`find_lib "libXcursor.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1376                     xinerama_lib=[`find_lib "libXinerama.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1377                     xinput_lib=[`find_lib "libXi.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1378                     xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1379                     xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1380                     xss_lib=[`find_lib "libXss.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1381                     xvidmode_lib=[`find_lib "libXxf86vm.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1382                     ;;
  1383             esac
  1384 
  1385             if test x$ac_cv_func_shmat != xyes; then
  1386                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
  1387             fi
  1388             CFLAGS="$CFLAGS $X_CFLAGS"
  1389             LDFLAGS="$LDFLAGS $X_LIBS"
  1390 
  1391             AC_CHECK_HEADER(X11/extensions/Xext.h,
  1392                             have_xext_h_hdr=yes,
  1393                             have_xext_h_hdr=no,
  1394                             [#include <X11/Xlib.h>
  1395                              #include <X11/Xproto.h>
  1396                             ])
  1397             if test x$have_xext_h_hdr != xyes; then
  1398                AC_MSG_ERROR([
  1399 *** Missing Xext.h, maybe you need to install the libxext-dev package?
  1400                ])
  1401             fi
  1402 
  1403             AC_DEFINE(SDL_VIDEO_DRIVER_X11, 1, [ ])
  1404             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
  1405             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
  1406 
  1407             # Needed so SDL applications can include SDL_syswm.h
  1408             SDL_CFLAGS="$SDL_CFLAGS $X_CFLAGS"
  1409 
  1410             if test x$enable_x11_shared = xmaybe; then
  1411                 enable_x11_shared=yes
  1412             fi
  1413             if test x$have_loadso != xyes && \
  1414                test x$enable_x11_shared = xyes; then
  1415                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
  1416                 enable_x11_shared=no
  1417             fi
  1418             if test x$have_loadso = xyes && \
  1419                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
  1420                 echo "-- dynamic libX11 -> $x11_lib"
  1421                 echo "-- dynamic libX11ext -> $x11ext_lib"
  1422                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib", [ ])
  1423                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib", [ ])
  1424                 SUMMARY_video="${SUMMARY_video} x11(dynamic)"
  1425             else
  1426                 enable_x11_shared=no
  1427                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
  1428                 SUMMARY_video="${SUMMARY_video} x11"
  1429             fi
  1430             have_video=yes
  1431 
  1432             AC_MSG_CHECKING(for const parameter to XextAddDisplay)
  1433             have_const_param_XextAddDisplay=no
  1434             AC_TRY_COMPILE([
  1435               #include <X11/Xlib.h>
  1436               #include <X11/Xproto.h>
  1437               #include <X11/extensions/Xext.h>
  1438               #include <X11/extensions/extutil.h>
  1439               extern XExtDisplayInfo* XextAddDisplay(XExtensionInfo* a,Display* b,_Xconst char* c,XExtensionHooks* d,int e,XPointer f);
  1440             ],[
  1441             ],[
  1442             have_const_param_XextAddDisplay=yes
  1443             AC_DEFINE(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY)
  1444             ])
  1445             AC_MSG_RESULT($have_const_param_XextAddDisplay)
  1446 
  1447             AC_MSG_CHECKING(for const parameter to _XData32)
  1448 	    have_const_param_xdata32=no
  1449 	    AC_TRY_COMPILE([
  1450 	      #include <X11/Xlibint.h>
  1451 	      extern int _XData32(Display *dpy,register _Xconst long *data,unsigned len);
  1452 	    ],[
  1453 	    ],[
  1454 	    have_const_param_xdata32=yes
  1455 	    AC_DEFINE(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XDATA32)
  1456 	    ])
  1457 	    AC_MSG_RESULT($have_const_param_xdata32)
  1458 
  1459             dnl AC_CHECK_LIB(X11, XGetEventData, AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS, 1, [Have XGenericEvent]))
  1460             AC_MSG_CHECKING([for XGenericEvent])
  1461             have_XGenericEvent=no
  1462             AC_TRY_COMPILE([
  1463               	#include <X11/Xlib.h>
  1464             ],[
  1465 Display *display;
  1466 XEvent event;
  1467 XGenericEventCookie *cookie = &event.xcookie;
  1468 XNextEvent(display, &event);
  1469 XGetEventData(display, cookie);
  1470 XFreeEventData(display, cookie);
  1471             ],[
  1472                 have_XGenericEvent=yes
  1473                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS)
  1474             ])
  1475             AC_MSG_RESULT($have_XGenericEvent)
  1476 
  1477             AC_CHECK_LIB(X11, XkbKeycodeToKeysym, AC_DEFINE(SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM, 1, [Have XkbKeycodeToKeysym]))
  1478 
  1479             AC_ARG_ENABLE(video-x11-xcursor,
  1480 AC_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [[default=yes]]]),
  1481                             , enable_video_x11_xcursor=yes)
  1482             if test x$enable_video_x11_xcursor = xyes; then
  1483                 definitely_enable_video_x11_xcursor=no
  1484                 AC_CHECK_HEADER(X11/Xcursor/Xcursor.h,
  1485                                 have_xcursor_h_hdr=yes,
  1486                                 have_xcursor_h_hdr=no,
  1487                                 [#include <X11/Xlib.h>
  1488                                 ])
  1489                 if test x$have_xcursor_h_hdr = xyes; then
  1490                     if test x$enable_x11_shared = xyes && test x$xcursor_lib != x ; then
  1491                         echo "-- dynamic libXcursor -> $xcursor_lib"
  1492                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR, "$xcursor_lib", [ ])
  1493                         definitely_enable_video_x11_xcursor=yes
  1494                     else
  1495                         AC_CHECK_LIB(Xcursor, XcursorImageCreate, have_xcursor_lib=yes)
  1496                         if test x$have_xcursor_lib = xyes ; then
  1497                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXcursor"
  1498                             definitely_enable_video_x11_xcursor=yes
  1499                         fi
  1500                     fi
  1501                 fi
  1502             fi
  1503             if test x$definitely_enable_video_x11_xcursor = xyes; then
  1504                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XCURSOR, 1, [ ])
  1505                 SUMMARY_video_x11="${SUMMARY_video_x11} xcursor"
  1506             fi
  1507             AC_ARG_ENABLE(video-x11-xinerama,
  1508 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
  1509                             , enable_video_x11_xinerama=yes)
  1510             if test x$enable_video_x11_xinerama = xyes; then
  1511                 definitely_enable_video_x11_xinerama=no
  1512                 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
  1513                                 have_xinerama_h_hdr=yes,
  1514                                 have_xinerama_h_hdr=no,
  1515                                 [#include <X11/Xlib.h>
  1516                                 ])
  1517                 if test x$have_xinerama_h_hdr = xyes; then
  1518                     if test x$enable_x11_shared = xyes && test x$xinerama_lib != x ; then
  1519                         echo "-- dynamic libXinerama -> $xinerama_lib"
  1520                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA, "$xinerama_lib", [ ])
  1521                         definitely_enable_video_x11_xinerama=yes
  1522                     else
  1523                         AC_CHECK_LIB(Xinerama, XineramaQueryExtension, have_xinerama_lib=yes)
  1524                         if test x$have_xinerama_lib = xyes ; then
  1525                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXinerama"
  1526                             definitely_enable_video_x11_xinerama=yes
  1527                         fi
  1528                     fi
  1529                 fi
  1530             fi
  1531             if test x$definitely_enable_video_x11_xinerama = xyes; then
  1532                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA, 1, [ ])
  1533                 SUMMARY_video_x11="${SUMMARY_video_x11} xinerama"
  1534             fi
  1535             AC_ARG_ENABLE(video-x11-xinput,
  1536 AC_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [[default=yes]]]),
  1537                             , enable_video_x11_xinput=yes)
  1538             if test x$enable_video_x11_xinput = xyes; then
  1539                 definitely_enable_video_x11_xinput=no
  1540                 AC_CHECK_HEADER(X11/extensions/XInput2.h,
  1541                                 have_xinput_h_hdr=yes,
  1542                                 have_xinput_h_hdr=no,
  1543                                 [#include <X11/Xlib.h>
  1544                                 ])
  1545                 if test x$have_xinput_h_hdr = xyes; then
  1546                     if test x$enable_x11_shared = xyes && test x$xinput_lib != x ; then
  1547                         echo "-- dynamic libXi -> $xinput_lib"
  1548                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2, "$xinput_lib", [ ])
  1549                         definitely_enable_video_x11_xinput=yes
  1550                     else
  1551                         AC_CHECK_LIB(Xi, XOpenDevice, have_xinput_lib=yes)
  1552                         if test x$have_xinput_lib = xyes ; then
  1553                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXi"
  1554                             definitely_enable_video_x11_xinput=yes
  1555                         fi
  1556                     fi
  1557                 fi
  1558             fi
  1559             if test x$definitely_enable_video_x11_xinput = xyes; then
  1560                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2"
  1561                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2, 1, [ ])
  1562                 AC_MSG_CHECKING(for xinput2 multitouch)
  1563             	have_xinput2_multitouch=no
  1564             	AC_TRY_COMPILE([
  1565               		#include <X11/Xlib.h>
  1566              		#include <X11/Xproto.h>
  1567 			#include <X11/extensions/XInput2.h>
  1568             	],[
  1569 int event_type = XI_TouchBegin;
  1570 XITouchClassInfo *t;
  1571             	],[
  1572             	have_xinput2_multitouch=yes
  1573             	AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH)
  1574                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2_multitouch"
  1575             	])
  1576             	AC_MSG_RESULT($have_xinput2_multitouch)
  1577             fi
  1578             AC_ARG_ENABLE(video-x11-xrandr,
  1579 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
  1580                             , enable_video_x11_xrandr=yes)
  1581             if test x$enable_video_x11_xrandr = xyes; then
  1582                 dnl XRRScreenResources is only present in Xrandr >= 1.2, we use that as a test.
  1583                 definitely_enable_video_x11_xrandr=no
  1584                 have_xrandr_h_hdr=no
  1585                 AC_TRY_COMPILE([
  1586                 #include <X11/Xlib.h>
  1587                 #include <X11/extensions/Xrandr.h>
  1588                 ],[
  1589                 XRRScreenResources *res = NULL;
  1590                 ],[
  1591                 have_xrandr_h_hdr=yes
  1592                 ])
  1593                 if test x$have_xrandr_h_hdr = xyes; then
  1594                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
  1595                         echo "-- dynamic libXrandr -> $xrandr_lib"
  1596                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib", [ ])
  1597                         definitely_enable_video_x11_xrandr=yes
  1598                     else
  1599                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
  1600                         if test x$have_xrandr_lib = xyes ; then
  1601                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr"
  1602                             definitely_enable_video_x11_xrandr=yes
  1603                         fi
  1604                     fi
  1605                 fi
  1606             fi
  1607             if test x$definitely_enable_video_x11_xrandr = xyes; then
  1608                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR, 1, [ ])
  1609                 SUMMARY_video_x11="${SUMMARY_video_x11} xrandr"
  1610             fi
  1611             AC_ARG_ENABLE(video-x11-scrnsaver,
  1612 AC_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [[default=yes]]]),
  1613                             , enable_video_x11_scrnsaver=yes)
  1614             if test x$enable_video_x11_scrnsaver = xyes; then
  1615                 AC_CHECK_HEADER(X11/extensions/scrnsaver.h,
  1616                                 have_scrnsaver_h_hdr=yes,
  1617                                 have_scrnsaver_h_hdr=no,
  1618                                 [#include <X11/Xlib.h>
  1619                                 ])
  1620                 if test x$have_scrnsaver_h_hdr = xyes; then
  1621                     if test x$enable_x11_shared = xyes && test x$xss_lib != x ; then
  1622                         echo "-- dynamic libXss -> $xss_lib"
  1623                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS, "$xss_lib", [ ])
  1624                         definitely_enable_video_x11_scrnsaver=yes
  1625                     else
  1626                         AC_CHECK_LIB(Xss, XScreenSaverSuspend, have_xss_lib=yes)
  1627                         if test x$have_xss_lib = xyes ; then
  1628                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXss"
  1629                             definitely_enable_video_x11_scrnsaver=yes
  1630                         fi
  1631                     fi
  1632                 fi
  1633             fi
  1634             if test x$definitely_enable_video_x11_scrnsaver = xyes; then
  1635                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSCRNSAVER, 1, [ ])
  1636                 SUMMARY_video_x11="${SUMMARY_video_x11} xscrnsaver"
  1637             fi
  1638             AC_ARG_ENABLE(video-x11-xshape,
  1639 AC_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [[default=yes]]]),
  1640                             , enable_video_x11_xshape=yes)
  1641             if test x$enable_video_x11_xshape = xyes; then
  1642                 AC_CHECK_HEADER(X11/extensions/shape.h,
  1643                                 have_shape_h_hdr=yes,
  1644                                 have_shape_h_hdr=no,
  1645                                 [#include <X11/Xlib.h>
  1646                                 ])
  1647                 if test x$have_shape_h_hdr = xyes; then
  1648                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSHAPE, 1, [ ])
  1649                     SUMMARY_video_x11="${SUMMARY_video_x11} xshape"
  1650                 fi
  1651             fi
  1652             AC_ARG_ENABLE(video-x11-vm,
  1653 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
  1654                             , enable_video_x11_vm=yes)
  1655             if test x$enable_video_x11_vm = xyes; then
  1656                 definitely_enable_video_x11_vm=no
  1657                 AC_CHECK_HEADER(X11/extensions/xf86vmode.h,
  1658                                 have_vm_h_hdr=yes,
  1659                                 have_vm_h_hdr=no,
  1660                                 [#include <X11/Xlib.h>
  1661                                 ])
  1662                 if test x$have_vm_h_hdr = xyes; then
  1663                     if test x$enable_x11_shared = xyes && test x$xvidmode_lib != x ; then
  1664                         echo "-- dynamic libXxf86vm -> $xvidmode_lib"
  1665                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE, "$xvidmode_lib", [ ])
  1666                         definitely_enable_video_x11_vm=yes
  1667                     else
  1668                         AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, have_vm_lib=yes)
  1669                         if test x$have_vm_lib = xyes ; then
  1670                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXxf86vm"
  1671                             definitely_enable_video_x11_vm=yes
  1672                         fi
  1673                     fi
  1674                 fi
  1675             fi
  1676             if test x$definitely_enable_video_x11_vm = xyes; then
  1677                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XVIDMODE, 1, [ ])
  1678                 SUMMARY_video_x11="${SUMMARY_video_x11} xvidmode"
  1679             fi
  1680         fi
  1681     fi
  1682 }
  1683 
  1684 dnl Set up the Haiku video driver if enabled
  1685 CheckHaikuVideo()
  1686 {
  1687     if test x$enable_video = xyes; then
  1688         AC_DEFINE(SDL_VIDEO_DRIVER_HAIKU, 1, [ ])
  1689         SOURCES="$SOURCES $srcdir/src/video/haiku/*.cc"
  1690         have_video=yes
  1691         SUMMARY_video="${SUMMARY_video} haiku"
  1692     fi
  1693 }
  1694 
  1695 dnl Set up the Cocoa video driver for Mac OS X (but not Darwin)
  1696 CheckCOCOA()
  1697 {
  1698     AC_ARG_ENABLE(video-cocoa,
  1699 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]]),
  1700                   , enable_video_cocoa=yes)
  1701     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  1702         save_CFLAGS="$CFLAGS"
  1703         dnl work around that we don't have Objective-C support in autoconf
  1704         CFLAGS="$CFLAGS -x objective-c"
  1705         AC_MSG_CHECKING(for Cocoa framework)
  1706         have_cocoa=no
  1707         AC_TRY_COMPILE([
  1708           #import <Cocoa/Cocoa.h>
  1709         ],[
  1710         ],[
  1711         have_cocoa=yes
  1712         ])
  1713         AC_MSG_RESULT($have_cocoa)
  1714         CFLAGS="$save_CFLAGS"
  1715         if test x$have_cocoa = xyes; then
  1716             AC_DEFINE(SDL_VIDEO_DRIVER_COCOA, 1, [ ])
  1717             SOURCES="$SOURCES $srcdir/src/video/cocoa/*.m"
  1718             SUMMARY_video="${SUMMARY_video} cocoa"
  1719             have_video=yes
  1720         fi
  1721     fi
  1722 }
  1723 
  1724 dnl Find DirectFB
  1725 CheckDirectFB()
  1726 {
  1727     AC_ARG_ENABLE(video-directfb,
  1728 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),
  1729                   , enable_video_directfb=no)
  1730     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
  1731         video_directfb=no
  1732 
  1733         DIRECTFB_REQUIRED_VERSION=1.0.0
  1734         AC_PATH_PROGS(DIRECTFBCONFIG, directfb-config, no, [$prefix/bin:$PATH])
  1735         if test x$DIRECTFBCONFIG = xno; then
  1736             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1737             if test x$PKG_CONFIG != xno; then
  1738                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
  1739                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
  1740                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
  1741                     DIRECTFB_PREFIX=`$PKG_CONFIG --variable=prefix directfb`
  1742                     video_directfb=yes
  1743                 fi
  1744             fi
  1745         else
  1746             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
  1747             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1748             set -- `$DIRECTFBCONFIG --version | sed 's/\./ /g'`
  1749             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1750             if test $HAVE_VERSION -ge $NEED_VERSION; then
  1751                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
  1752                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
  1753                 DIRECTFB_PREFIX=`$DIRECTFBCONFIG --prefix`
  1754                 video_directfb=yes
  1755             fi
  1756         fi
  1757         if test x$video_directfb = xyes; then
  1758             # SuSE 11.1 installs directfb-config without directfb-devel
  1759             save_CPPFLAGS="$CPPFLAGS"
  1760             CPPFLAGS="$CPPFLAGS $DIRECTFB_CFLAGS"
  1761             AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no)
  1762             CPPFLAGS="$save_CPPFLAGS"
  1763             video_directfb=$have_directfb_hdr
  1764         fi
  1765         AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
  1766         AC_MSG_RESULT($video_directfb)
  1767 
  1768         if test x$video_directfb = xyes; then
  1769             AC_ARG_ENABLE(directfb-shared,
  1770 AC_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [[default=yes]]]),
  1771                               , enable_directfb_shared=yes)
  1772 
  1773             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB, 1, [ ])
  1774             AC_DEFINE(SDL_VIDEO_RENDER_DIRECTFB, 1, [ ])
  1775             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
  1776             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
  1777 
  1778             AC_MSG_CHECKING(for directfb dynamic loading support)
  1779             directfb_shared=no
  1780             directfb_lib=[`find_lib "libdirectfb.so.*" "$DIRECTFB_LIBS"`]
  1781             # | sed 's/.*\/\(.*\)/\1/; q'`]
  1782 AC_MSG_WARN("directfb $directfb_lib")
  1783             if test x$have_loadso != xyes && \
  1784                test x$enable_directfb_shared = xyes; then
  1785                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic directfb loading])
  1786             fi
  1787             if test x$have_loadso = xyes && \
  1788                test x$enable_directfb_shared = xyes && test x$directfb_lib != x; then
  1789                 directfb_shared=yes
  1790                 echo "-- $directfb_lib_spec -> $directfb_lib"
  1791                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC, "$directfb_lib", [ ])
  1792                 SUMMARY_video="${SUMMARY_video} directfb(dynamic)"
  1793             else
  1794                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
  1795                 SUMMARY_video="${SUMMARY_video} directfb"
  1796             fi
  1797             AC_MSG_RESULT($directfb_shared)
  1798             SDL_CFLAGS="$SDL_CFLAGS $DIRECTFB_CFLAGS"
  1799             have_video=yes
  1800         fi
  1801     fi
  1802 }
  1803 
  1804 dnl Find FusionSound
  1805 CheckFusionSound()
  1806 {
  1807     AC_ARG_ENABLE(fusionsound,
  1808 AC_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [[default=no]]]),
  1809                   , enable_fusionsound=no)
  1810     if test x$enable_audio = xyes -a x$enable_fusionsound = xyes; then
  1811         fusionsound=no
  1812 
  1813         FUSIONSOUND_REQUIRED_VERSION=1.1.1
  1814 
  1815         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1816         AC_MSG_CHECKING(for FusionSound $FUSIONSOUND_REQUIRED_VERSION support)
  1817         if test x$PKG_CONFIG != xno; then
  1818             if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $FUSIONSOUND_REQUIRED_VERSION fusionsound; then
  1819                 FUSIONSOUND_CFLAGS=`$PKG_CONFIG --cflags fusionsound`
  1820                 FUSIONSOUND_LIBS=`$PKG_CONFIG --libs fusionsound`
  1821                 fusionsound=yes
  1822             fi
  1823         fi
  1824         AC_MSG_RESULT($fusionsound)
  1825 
  1826         if test x$fusionsound = xyes; then
  1827             AC_DEFINE(SDL_AUDIO_DRIVER_FUSIONSOUND, 1, [ ])
  1828             SOURCES="$SOURCES $srcdir/src/audio/fusionsound/*.c"
  1829             EXTRA_CFLAGS="$EXTRA_CFLAGS $FUSIONSOUND_CFLAGS"
  1830             
  1831             AC_ARG_ENABLE(fusionsound-shared,
  1832 AC_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [[default=yes]]]),
  1833                           , enable_fusionsound_shared=yes)
  1834             fusionsound_shared=no
  1835             AC_MSG_CHECKING(for FusionSound dynamic loading support)
  1836             if test x$have_loadso != xyes && \
  1837                test x$enable_fusionsound_shared = xyes; then
  1838                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic fusionsound loading])
  1839             fi
  1840             if test x$have_loadso = xyes && \
  1841                test x$enable_fusionsound_shared = xyes; then
  1842                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC, "libfusionsound.so", [ ])
  1843                 fusionsound_shared=yes
  1844                 SUMMARY_audio="${SUMMARY_audio} fusionsound(dynamic)"
  1845             else
  1846                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $FUSIONSOUND_LIBS"
  1847                 SUMMARY_audio="${SUMMARY_audio} fusionsound"
  1848             fi
  1849             AC_MSG_RESULT($fusionsound_shared)
  1850             
  1851             have_audio=yes
  1852         fi
  1853     fi
  1854 }
  1855 
  1856 dnl rcg04172001 Set up the Null video driver.
  1857 CheckDummyVideo()
  1858 {
  1859     AC_ARG_ENABLE(video-dummy,
  1860 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
  1861                   , enable_video_dummy=yes)
  1862     if test x$enable_video_dummy = xyes; then
  1863         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ])
  1864         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
  1865         have_video=yes
  1866         SUMMARY_video="${SUMMARY_video} dummy"
  1867     fi
  1868 }
  1869 
  1870 dnl Check to see if OpenGL support is desired
  1871 AC_ARG_ENABLE(video-opengl,
  1872 AC_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),
  1873               , enable_video_opengl=yes)
  1874 
  1875 dnl Find OpenGL
  1876 CheckOpenGLX11()
  1877 {
  1878     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1879         AC_MSG_CHECKING(for OpenGL (GLX) support)
  1880         video_opengl=no
  1881         AC_TRY_COMPILE([
  1882          #include <GL/gl.h>
  1883          #include <GL/glx.h>
  1884         ],[
  1885         ],[
  1886         video_opengl=yes
  1887         ])
  1888         AC_MSG_RESULT($video_opengl)
  1889         if test x$video_opengl = xyes; then
  1890             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1891             AC_DEFINE(SDL_VIDEO_OPENGL_GLX, 1, [ ])
  1892             AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  1893             SUMMARY_video="${SUMMARY_video} opengl"
  1894         fi
  1895     fi
  1896 }
  1897 
  1898 dnl Check to see if OpenGL ES support is desired
  1899 AC_ARG_ENABLE(video-opengles,
  1900 AC_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [[default=yes]]]),
  1901               , enable_video_opengles=yes)
  1902 
  1903 dnl Find OpenGL ES
  1904 CheckOpenGLESX11()
  1905 {
  1906     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  1907         AC_MSG_CHECKING(for EGL support)
  1908         video_opengl_egl=no
  1909         AC_TRY_COMPILE([
  1910          #include <EGL/egl.h>
  1911         ],[
  1912         ],[
  1913         video_opengl_egl=yes
  1914         ])
  1915         AC_MSG_RESULT($video_opengl_egl)
  1916         if test x$video_opengl_egl = xyes; then
  1917             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  1918         fi
  1919             
  1920         AC_MSG_CHECKING(for OpenGL ES v1 headers)
  1921         video_opengles_v1=no
  1922         AC_TRY_COMPILE([
  1923          #include <GLES/gl.h>
  1924          #include <GLES/glext.h>
  1925         ],[
  1926         ],[
  1927         video_opengles_v1=yes
  1928         ])
  1929         AC_MSG_RESULT($video_opengles_v1)
  1930         if test x$video_opengles_v1 = xyes; then
  1931             AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])
  1932             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])
  1933             SUMMARY_video="${SUMMARY_video} opengl_es1"
  1934         fi
  1935         
  1936         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  1937         video_opengles_v2=no
  1938         AC_TRY_COMPILE([
  1939          #include <GLES2/gl2.h>
  1940          #include <GLES2/gl2ext.h>
  1941         ],[
  1942         ],[
  1943         video_opengles_v2=yes
  1944         ])
  1945         AC_MSG_RESULT($video_opengles_v2)
  1946         if test x$video_opengles_v2 = xyes; then
  1947             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  1948             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  1949             SUMMARY_video="${SUMMARY_video} opengl_es2"
  1950         fi
  1951     fi
  1952 }
  1953 
  1954 dnl Check for Windows OpenGL
  1955 CheckWINDOWSGL()
  1956 {
  1957     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1958         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1959         AC_DEFINE(SDL_VIDEO_OPENGL_WGL, 1, [ ])
  1960         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  1961         SUMMARY_video="${SUMMARY_video} opengl"
  1962     fi
  1963 }
  1964 
  1965 dnl Check for Windows OpenGL
  1966 CheckWINDOWSGLES()
  1967 {
  1968     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  1969 
  1970         AC_MSG_CHECKING(for EGL support)
  1971         video_opengl_egl=no
  1972         AC_TRY_COMPILE([
  1973          #include <EGL/egl.h>
  1974         ],[
  1975         ],[
  1976         video_opengl_egl=yes
  1977         ])
  1978         AC_MSG_RESULT($video_opengl_egl)
  1979         if test x$video_opengl_egl = xyes; then
  1980             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1981             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  1982             SUMMARY_video="${SUMMARY_video} opengl_es1"
  1983         fi
  1984        
  1985         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  1986         video_opengles_v2=no
  1987         AC_TRY_COMPILE([
  1988          #include <GLES2/gl2.h>
  1989          #include <GLES2/gl2ext.h>
  1990         ],[
  1991         ],[
  1992         video_opengles_v2=yes
  1993         ])
  1994         AC_MSG_RESULT($video_opengles_v2)
  1995         if test x$video_opengles_v2 = xyes; then
  1996             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1997             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  1998             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  1999             SUMMARY_video="${SUMMARY_video} opengl_es2"
  2000         fi
  2001     fi
  2002 }
  2003 
  2004 dnl Check for Haiku OpenGL
  2005 CheckHaikuGL()
  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_HAIKU, 1, [ ])
  2010         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2011         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  2012         SUMMARY_video="${SUMMARY_video} opengl"
  2013     fi
  2014 }
  2015 
  2016 dnl Check for MacOS OpenGL
  2017 CheckMacGL()
  2018 {
  2019     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2020         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2021         AC_DEFINE(SDL_VIDEO_OPENGL_CGL, 1, [ ])
  2022         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2023         SUMMARY_video="${SUMMARY_video} opengl"
  2024     fi
  2025 }
  2026 
  2027 dnl See if we can use the new unified event interface in Linux 2.4
  2028 CheckInputEvents()
  2029 {
  2030     dnl Check for Linux 2.4 unified input event interface support
  2031         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
  2032         use_input_events=no
  2033         AC_TRY_COMPILE([
  2034           #include <linux/input.h>
  2035         ],[
  2036           #ifndef EVIOCGNAME
  2037           #error EVIOCGNAME() ioctl not available
  2038           #endif
  2039         ],[
  2040         use_input_events=yes
  2041         ])
  2042         AC_MSG_RESULT($use_input_events)
  2043         if test x$use_input_events = xyes; then
  2044             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])
  2045             SUMMARY_input="${SUMMARY_input} linuxev"
  2046         fi
  2047 }
  2048 
  2049 dnl See if we can use the kernel kd.h header
  2050 CheckInputKD()
  2051 {
  2052 
  2053     AC_MSG_CHECKING(for Linux kd.h)
  2054     use_input_kd=no
  2055     AC_TRY_COMPILE([
  2056       #include <linux/kd.h>
  2057       #include <linux/keyboard.h>
  2058     ],[
  2059         struct kbentry kbe;
  2060         kbe.kb_table = KG_CTRL;
  2061         ioctl(0, KDGKBENT, &kbe);
  2062     ],[
  2063     use_input_kd=yes
  2064     ])
  2065     AC_MSG_RESULT($use_input_kd)
  2066     if test x$use_input_kd = xyes; then
  2067         AC_DEFINE(SDL_INPUT_LINUXKD, 1, [ ])
  2068         SUMMARY_input="${SUMMARY_input} linuxkd"
  2069     fi
  2070 }
  2071 
  2072 dnl See if the platform offers libudev for device enumeration and hotplugging.
  2073 CheckLibUDev()
  2074 {
  2075     AC_ARG_ENABLE(libudev,
  2076 AC_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),
  2077                         , enable_libudev=yes)
  2078     if test x$enable_libudev = xyes; then
  2079         AC_CHECK_HEADER(libudev.h,
  2080                         have_libudev_h_hdr=yes,
  2081                         have_libudev_h_hdr=no)
  2082         if test x$have_libudev_h_hdr = xyes; then
  2083             AC_DEFINE(HAVE_LIBUDEV_H, 1, [ ])
  2084         fi
  2085     fi
  2086 }
  2087 
  2088 dnl See if the platform offers libdbus for various IPC techniques.
  2089 CheckDBus()
  2090 {
  2091     AC_ARG_ENABLE(dbus,
  2092 AC_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),
  2093                         , enable_dbus=yes)
  2094     if test x$enable_dbus = xyes; then
  2095         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2096         if test x$PKG_CONFIG != xno; then
  2097             DBUS_CFLAGS=`$PKG_CONFIG --cflags dbus-1`
  2098             save_CFLAGS="$CFLAGS"
  2099             CFLAGS="$save_CFLAGS $DBUS_CFLAGS"
  2100             AC_CHECK_HEADER(dbus/dbus.h,
  2101                             have_dbus_dbus_h_hdr=yes,
  2102                             have_dbus_dbus_h_hdr=no)
  2103             CFLAGS="$save_CFLAGS"
  2104             if test x$have_dbus_dbus_h_hdr = xyes; then
  2105                 AC_DEFINE(HAVE_DBUS_DBUS_H, 1, [ ])
  2106                 EXTRA_CFLAGS="$EXTRA_CFLAGS $DBUS_CFLAGS"
  2107             fi
  2108         fi
  2109     fi
  2110 }
  2111 
  2112 dnl See if we can use the Touchscreen input library
  2113 CheckTslib()
  2114 {
  2115     AC_ARG_ENABLE(input-tslib,
  2116 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
  2117                   , enable_input_tslib=yes)
  2118     if test x$enable_input_tslib = xyes; then
  2119         AC_MSG_CHECKING(for Touchscreen library support)
  2120         enable_input_tslib=no
  2121         AC_TRY_COMPILE([
  2122           #include "tslib.h"
  2123         ],[
  2124         ],[
  2125         enable_input_tslib=yes
  2126         ])
  2127         AC_MSG_RESULT($enable_input_tslib)
  2128         if test x$enable_input_tslib = xyes; then
  2129             AC_DEFINE(SDL_INPUT_TSLIB, 1, [ ])
  2130             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
  2131             SUMMARY_input="${SUMMARY_input} ts"
  2132         fi
  2133     fi
  2134 }
  2135 
  2136 dnl See what type of thread model to use on Linux and Solaris
  2137 CheckPTHREAD()
  2138 {
  2139     dnl Check for pthread support
  2140     AC_ARG_ENABLE(pthreads,
  2141 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
  2142                   , enable_pthreads=yes)
  2143     dnl This is used on Linux for glibc binary compatibility (Doh!)
  2144     AC_ARG_ENABLE(pthread-sem,
  2145 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
  2146                   , enable_pthread_sem=yes)
  2147     case "$host" in
  2148 	 *-*-androideabi*)
  2149             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2150             pthread_lib=""
  2151 	    ;;
  2152         *-*-linux*|*-*-uclinux*)
  2153             pthread_cflags="-D_REENTRANT"
  2154             pthread_lib="-lpthread"
  2155             ;;
  2156         *-*-bsdi*)
  2157             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2158             pthread_lib=""
  2159             ;;
  2160         *-*-darwin*)
  2161             pthread_cflags="-D_THREAD_SAFE"
  2162 # causes Carbon.p complaints?
  2163 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2164             ;;
  2165         *-*-freebsd*|*-*-dragonfly*)
  2166             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2167             pthread_lib="-pthread"
  2168             ;;
  2169         *-*-netbsd*)
  2170             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2171             pthread_lib="-lpthread"
  2172             ;;
  2173         *-*-openbsd*)
  2174             pthread_cflags="-D_REENTRANT"
  2175             pthread_lib="-pthread"
  2176             ;;
  2177         *-*-solaris2.9)
  2178             # From Solaris 9+, posix4's preferred name is rt.
  2179             pthread_cflags="-D_REENTRANT"
  2180             pthread_lib="-lpthread -lrt"
  2181             ;;
  2182         *-*-solaris2.10)
  2183             # Solaris 10+ merged pthread into libc.
  2184             pthread_cflags="-D_REENTRANT"
  2185             pthread_lib="-lrt"
  2186             ;;
  2187         *-*-solaris*)
  2188             # Solaris 11+ merged rt into libc.
  2189             pthread_cflags="-D_REENTRANT"
  2190             pthread_lib=""
  2191             ;;
  2192         *-*-sysv5*)
  2193             pthread_cflags="-D_REENTRANT -Kthread"
  2194             pthread_lib=""
  2195             ;;
  2196         *-*-aix*)
  2197             pthread_cflags="-D_REENTRANT -mthreads"
  2198             pthread_lib="-lpthread"
  2199             ;;
  2200         *-*-hpux11*)
  2201             pthread_cflags="-D_REENTRANT"
  2202             pthread_lib="-L/usr/lib -lpthread"
  2203             ;;
  2204         *-*-haiku*)
  2205             pthread_cflags="-D_REENTRANT"
  2206             pthread_lib=""
  2207             ;;
  2208         *)
  2209             pthread_cflags="-D_REENTRANT"
  2210             pthread_lib="-lpthread"
  2211             ;;
  2212     esac
  2213     if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then
  2214         # Save the original compiler flags and libraries
  2215         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2216         # Add the pthread compiler flags and libraries
  2217         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2218         # Check to see if we have pthread support on this system
  2219         AC_MSG_CHECKING(for pthreads)
  2220         use_pthreads=no
  2221         AC_TRY_LINK([
  2222          #include <pthread.h>
  2223         ],[
  2224          pthread_attr_t type;
  2225          pthread_attr_init(&type);
  2226         ],[
  2227         use_pthreads=yes
  2228         ])
  2229         AC_MSG_RESULT($use_pthreads)
  2230         # Restore the compiler flags and libraries
  2231         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2232 
  2233         # Do futher testing if we have pthread support...
  2234         if test x$use_pthreads = xyes; then
  2235             AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ])
  2236             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
  2237             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
  2238             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
  2239             SDL_LIBS="$SDL_LIBS $pthread_lib"
  2240 
  2241             # Save the original compiler flags and libraries
  2242             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2243             # Add the pthread compiler flags and libraries
  2244             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2245 
  2246             # Check to see if recursive mutexes are available
  2247             AC_MSG_CHECKING(for recursive mutexes)
  2248             has_recursive_mutexes=no
  2249             if test x$has_recursive_mutexes = xno; then
  2250                 AC_TRY_COMPILE([
  2251                   #include <pthread.h>
  2252                 ],[
  2253                   pthread_mutexattr_t attr;
  2254                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
  2255                 ],[
  2256                 has_recursive_mutexes=yes
  2257                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ])
  2258                 ])
  2259             fi
  2260             if test x$has_recursive_mutexes = xno; then
  2261                 AC_TRY_COMPILE([
  2262                   #include <pthread.h>
  2263                 ],[
  2264                   pthread_mutexattr_t attr;
  2265                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
  2266                 ],[
  2267                 has_recursive_mutexes=yes
  2268                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ])
  2269                 ])
  2270             fi
  2271             AC_MSG_RESULT($has_recursive_mutexes)
  2272 
  2273             # Check to see if pthread semaphore support is missing
  2274             if test x$enable_pthread_sem = xyes; then
  2275                 AC_MSG_CHECKING(for pthread semaphores)
  2276                 have_pthread_sem=no
  2277                 AC_TRY_COMPILE([
  2278                   #include <pthread.h>
  2279                   #include <semaphore.h>
  2280                 ],[
  2281                 ],[
  2282                 have_pthread_sem=yes
  2283                 ])
  2284                 AC_MSG_RESULT($have_pthread_sem)
  2285             fi
  2286             if test x$have_pthread_sem = xyes; then
  2287                 AC_MSG_CHECKING(for sem_timedwait)
  2288                 have_sem_timedwait=no
  2289                 AC_TRY_LINK([
  2290                   #include <pthread.h>
  2291                   #include <semaphore.h>
  2292                 ],[
  2293                   sem_timedwait(NULL, NULL);
  2294                 ],[
  2295                 have_sem_timedwait=yes
  2296                 AC_DEFINE(HAVE_SEM_TIMEDWAIT)
  2297                 ])
  2298                 AC_MSG_RESULT($have_sem_timedwait)
  2299             fi
  2300 
  2301             AC_MSG_CHECKING(for pthread_spin_trylock)
  2302             AC_TRY_LINK_FUNC(pthread_spin_trylock, [
  2303               has_pthread_spin_trylock=yes
  2304               AC_DEFINE(HAVE_PTHREAD_SPINLOCK, 1, [ ])
  2305             ],[
  2306               has_pthread_spin_trylock=no
  2307             ])
  2308             AC_MSG_RESULT($has_pthread_spin_trylock)
  2309 
  2310             AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes, have_pthread_np_h=no, [ #include <pthread.h> ])
  2311             if test x$have_pthread_np_h = xyes; then
  2312                 AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ])
  2313             fi
  2314 
  2315             # Check to see if pthread naming is available
  2316             AC_MSG_CHECKING(for pthread_setname_np)
  2317             AC_TRY_LINK_FUNC(pthread_setname_np, [
  2318               has_pthread_setname_np=yes
  2319               AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ])
  2320             ],[
  2321               has_pthread_setname_np=no
  2322             ])
  2323             AC_MSG_RESULT($has_pthread_setname_np)
  2324 
  2325             AC_MSG_CHECKING(for pthread_set_name_np)
  2326             AC_TRY_LINK_FUNC(pthread_set_name_np, [
  2327               has_pthread_set_name_np=yes
  2328               AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ])
  2329             ],[
  2330               has_pthread_set_name_np=no
  2331             ])
  2332             AC_MSG_RESULT($has_pthread_set_name_np)
  2333 
  2334             # Restore the compiler flags and libraries
  2335             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2336 
  2337             # Basic thread creation functions
  2338             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
  2339 
  2340             # Semaphores
  2341             # We can fake these with mutexes and condition variables if necessary
  2342             if test x$have_pthread_sem = xyes; then
  2343                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
  2344             else
  2345                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  2346             fi
  2347 
  2348             # Mutexes
  2349             # We can fake these with semaphores if necessary
  2350             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
  2351 
  2352             # Condition variables
  2353             # We can fake these with semaphores and mutexes if necessary
  2354             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
  2355 
  2356             # Thread local storage
  2357             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systls.c"
  2358 
  2359             have_threads=yes
  2360         fi
  2361     fi
  2362 }
  2363 
  2364 dnl Determine whether the compiler can produce Windows executables
  2365 CheckWINDOWS()
  2366 {
  2367     AC_MSG_CHECKING(Windows compiler)
  2368     have_win32_gcc=no
  2369     AC_TRY_COMPILE([
  2370      #include <windows.h>
  2371     ],[
  2372     ],[
  2373     have_win32_gcc=yes
  2374     ])
  2375     AC_MSG_RESULT($have_win32_gcc)
  2376     if test x$have_win32_gcc != xyes; then
  2377        AC_MSG_ERROR([
  2378 *** Your compiler ($CC) does not produce Windows executables!
  2379        ])
  2380     fi
  2381 
  2382     AC_MSG_CHECKING(Windows CE)
  2383     have_wince=no
  2384     AC_TRY_COMPILE([
  2385 #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__)
  2386 #error This is not Windows CE
  2387 #endif
  2388     ],[
  2389     ],[
  2390     have_wince=yes
  2391        AC_MSG_ERROR([
  2392 *** Sorry, Windows CE is no longer supported.
  2393        ])
  2394     ])
  2395     AC_MSG_RESULT($have_wince)
  2396 
  2397     # This fixes Windows stack alignment with newer GCC
  2398     CheckStackBoundary
  2399 }
  2400 
  2401 dnl Find the DirectX includes and libraries
  2402 CheckDIRECTX()
  2403 {
  2404     AC_ARG_ENABLE(directx,
  2405 AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
  2406                   , enable_directx=yes)
  2407     if test x$enable_directx = xyes; then
  2408         AC_CHECK_HEADER(d3d9.h, have_d3d=yes)
  2409         AC_CHECK_HEADER(d3d11_1.h, have_d3d11=yes)
  2410         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
  2411         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
  2412         AC_CHECK_HEADER(dinput.h, have_dinput=yes)
  2413         AC_CHECK_HEADER(xaudio2.h, have_xaudio2=yes)
  2414         AC_CHECK_HEADER(dxgi.h, have_dxgi=yes)
  2415 
  2416         SUMMARY_video="${SUMMARY_video} directx"
  2417         SUMMARY_audio="${SUMMARY_audio} directx"
  2418 
  2419         # FIXME: latest Cygwin finds dinput headers, but we die on other win32 headers.
  2420         # FIXME:  ...so force it off for now.
  2421         case "$host" in
  2422             *-*-cygwin*)
  2423             have_dinput=false
  2424             ;;
  2425         esac
  2426     fi
  2427 }
  2428 
  2429 dnl Check for the dlfcn.h interface for dynamically loading objects
  2430 CheckDLOPEN()
  2431 {
  2432     AC_ARG_ENABLE(sdl-dlopen,
  2433 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
  2434                   , enable_sdl_dlopen=yes)
  2435     if test x$enable_sdl_dlopen = xyes; then
  2436         AC_MSG_CHECKING(for dlopen)
  2437         have_dlopen=no
  2438         AC_TRY_COMPILE([
  2439          #include <dlfcn.h>
  2440         ],[
  2441          void *handle = dlopen("", RTLD_NOW);
  2442          const char *loaderror = (char *) dlerror();
  2443         ],[
  2444         have_dlopen=yes
  2445         ])
  2446         AC_MSG_RESULT($have_dlopen)
  2447 
  2448         if test x$have_dlopen = xyes; then
  2449             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
  2450                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
  2451                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
  2452             AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ])
  2453             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
  2454             have_loadso=yes
  2455         fi
  2456     fi
  2457 }
  2458 
  2459 dnl Check for the usbhid(3) library on *BSD
  2460 CheckUSBHID()
  2461 {
  2462     case "$host" in
  2463         *-*-*bsd*)
  2464             if test x$enable_joystick = xyes; then
  2465                 AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
  2466                 if test x$have_libusbhid = xyes; then
  2467                     AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
  2468                     AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
  2469                     USB_LIBS="$USB_LIBS -lusbhid"
  2470                 else
  2471                     AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
  2472                     AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
  2473                     AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
  2474                 fi
  2475                     
  2476                 save_CFLAGS="$CFLAGS"
  2477                 CFLAGS="$CFLAGS $USB_CFLAGS"
  2478 
  2479                 AC_MSG_CHECKING(for usbhid)
  2480                 have_usbhid=no
  2481                 AC_TRY_COMPILE([
  2482                   #include <sys/types.h>
  2483                   #if defined(HAVE_USB_H)
  2484                   #include <usb.h>
  2485                   #endif
  2486                   #ifdef __DragonFly__
  2487                   # include <bus/usb/usb.h>
  2488                   # include <bus/usb/usbhid.h>
  2489                   #else
  2490                   # include <dev/usb/usb.h>
  2491                   # include <dev/usb/usbhid.h>
  2492                   #endif
  2493                   #if defined(HAVE_USBHID_H)
  2494                   #include <usbhid.h>
  2495                   #elif defined(HAVE_LIBUSB_H)
  2496                   #include <libusb.h>
  2497                   #elif defined(HAVE_LIBUSBHID_H)
  2498                   #include <libusbhid.h>
  2499                   #endif
  2500                 ],[
  2501                   struct report_desc *repdesc;
  2502                   struct usb_ctl_report *repbuf;
  2503                   hid_kind_t hidkind;
  2504                 ],[
  2505                 have_usbhid=yes
  2506                 ])
  2507                 AC_MSG_RESULT($have_usbhid)
  2508 
  2509                 if test x$have_usbhid = xyes; then
  2510                     AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
  2511                     have_usbhid_ucr_data=no
  2512                     AC_TRY_COMPILE([
  2513                       #include <sys/types.h>
  2514                       #if defined(HAVE_USB_H)
  2515                       #include <usb.h>
  2516                       #endif
  2517                       #ifdef __DragonFly__
  2518                       # include <bus/usb/usb.h>
  2519                       # include <bus/usb/usbhid.h>
  2520                       #else
  2521                       # include <dev/usb/usb.h>
  2522                       # include <dev/usb/usbhid.h>
  2523                       #endif
  2524                       #if defined(HAVE_USBHID_H)
  2525                       #include <usbhid.h>
  2526                       #elif defined(HAVE_LIBUSB_H)
  2527                       #include <libusb.h>
  2528                       #elif defined(HAVE_LIBUSBHID_H)
  2529                       #include <libusbhid.h>
  2530                       #endif
  2531                     ],[
  2532                       struct usb_ctl_report buf;
  2533                       if (buf.ucr_data) { }
  2534                     ],[
  2535                     have_usbhid_ucr_data=yes
  2536                     ])
  2537                     if test x$have_usbhid_ucr_data = xyes; then
  2538                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
  2539                     fi
  2540                     AC_MSG_RESULT($have_usbhid_ucr_data)
  2541                     
  2542                     AC_MSG_CHECKING(for new usbhid API)
  2543                     have_usbhid_new=no
  2544                     AC_TRY_COMPILE([
  2545                       #include <sys/types.h>
  2546                       #if defined(HAVE_USB_H)
  2547                       #include <usb.h>
  2548                       #endif
  2549                       #ifdef __DragonFly__
  2550                       #include <bus/usb/usb.h>
  2551                       #include <bus/usb/usbhid.h>
  2552                       #else
  2553                       #include <dev/usb/usb.h>
  2554                       #include <dev/usb/usbhid.h>
  2555                       #endif
  2556                       #if defined(HAVE_USBHID_H)
  2557                       #include <usbhid.h>
  2558                       #elif defined(HAVE_LIBUSB_H)
  2559                       #include <libusb.h>
  2560                       #elif defined(HAVE_LIBUSBHID_H)
  2561                       #include <libusbhid.h>
  2562                       #endif
  2563                     ],[
  2564                       report_desc_t d;
  2565                       hid_start_parse(d, 1, 1);
  2566                     ],[
  2567                     have_usbhid_new=yes
  2568                     ])
  2569                     if test x$have_usbhid_new = xyes; then
  2570                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
  2571                     fi
  2572                     AC_MSG_RESULT($have_usbhid_new)
  2573 
  2574                     AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
  2575                     have_machine_joystick=no
  2576                     AC_TRY_COMPILE([
  2577                       #include <machine/joystick.h>
  2578                     ],[
  2579                       struct joystick t;
  2580                     ],[
  2581                     have_machine_joystick=yes
  2582                     ])
  2583                     if test x$have_machine_joystick = xyes; then
  2584                         AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H, 1, [ ])
  2585                     fi
  2586                     AC_MSG_RESULT($have_machine_joystick)
  2587 
  2588                     AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ])
  2589                     SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
  2590                     EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
  2591                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
  2592                     have_joystick=yes
  2593                 fi
  2594                 CFLAGS="$save_CFLAGS"
  2595             fi
  2596         ;;
  2597     esac
  2598 }
  2599 
  2600 dnl Check for clock_gettime()
  2601 CheckClockGettime()
  2602 {
  2603     AC_ARG_ENABLE(clock_gettime,
  2604 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),
  2605                   , enable_clock_gettime=yes)
  2606     if test x$enable_clock_gettime = xyes; then
  2607         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
  2608         if test x$have_clock_gettime = xyes; then
  2609             AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2610             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
  2611         else
  2612             AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes)
  2613             if test x$have_clock_gettime = xyes; then
  2614                AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2615                EXTRA_LDFLAGS="$EXTRA_LDFLAGS"
  2616             fi
  2617         fi
  2618     fi
  2619 }
  2620 
  2621 dnl Check for a valid linux/version.h
  2622 CheckLinuxVersion()
  2623 {
  2624     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
  2625     if test x$have_linux_version_h = xyes; then
  2626         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
  2627     fi
  2628 }
  2629 
  2630 dnl Check if we want to use RPATH
  2631 CheckRPATH()
  2632 {
  2633     AC_ARG_ENABLE(rpath,
  2634 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
  2635                   , enable_rpath=yes)
  2636 }
  2637 
  2638 dnl Set up the configuration based on the host platform!
  2639 case "$host" in
  2640     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*)
  2641         case "$host" in
  2642             *-raspberry-linux*)
  2643                 # Raspberry Pi
  2644                 ARCH=linux
  2645                 RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
  2646                 CFLAGS="$CFLAGS $RPI_CFLAGS"
  2647                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
  2648                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
  2649                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L/opt/vc/lib -lbcm_host -ldl"
  2650 
  2651                 if test x$enable_video = xyes; then
  2652                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
  2653                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
  2654                 fi
  2655                 ;;
  2656             *-*-androideabi*)
  2657                 # Android
  2658                 ARCH=android
  2659                 ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"
  2660                 CFLAGS="$CFLAGS $ANDROID_CFLAGS"
  2661                 SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS"
  2662                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS"
  2663                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid"
  2664 
  2665                 if test x$enable_video = xyes; then
  2666                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
  2667                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
  2668                     SUMMARY_video="${SUMMARY_video} android"
  2669                 fi
  2670                 ;;
  2671             *-*-linux*)         ARCH=linux ;;
  2672             *-*-uclinux*)       ARCH=linux ;;
  2673             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
  2674             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
  2675             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
  2676             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
  2677             *-*-bsdi*)          ARCH=bsdi ;;
  2678             *-*-freebsd*)       ARCH=freebsd ;;
  2679             *-*-dragonfly*)     ARCH=freebsd ;;
  2680             *-*-netbsd*)        ARCH=netbsd ;;
  2681             *-*-openbsd*)       ARCH=openbsd ;;
  2682             *-*-sysv5*)         ARCH=sysv5 ;;
  2683             *-*-solaris*)       ARCH=solaris ;;
  2684             *-*-hpux*)          ARCH=hpux ;;
  2685             *-*-aix*)           ARCH=aix ;;
  2686             *-*-minix*)         ARCH=minix ;;
  2687         esac
  2688         CheckVisibilityHidden
  2689         CheckDummyVideo
  2690         CheckDiskAudio
  2691         CheckDummyAudio
  2692         CheckDLOPEN
  2693         CheckOSS
  2694         CheckALSA
  2695         CheckPulseAudio
  2696         CheckARTSC
  2697         CheckESD
  2698         CheckNAS
  2699         CheckSNDIO
  2700         CheckX11
  2701         CheckDirectFB
  2702         CheckFusionSound
  2703         CheckOpenGLX11
  2704         CheckOpenGLESX11
  2705         CheckMir
  2706         CheckWayland
  2707         CheckLibUDev
  2708         CheckDBus
  2709         CheckInputEvents
  2710         CheckInputKD
  2711         CheckTslib
  2712         CheckUSBHID
  2713         CheckPTHREAD
  2714         CheckClockGettime
  2715         CheckLinuxVersion
  2716         CheckRPATH
  2717         # Set up files for the audio library
  2718         if test x$enable_audio = xyes; then
  2719           case $ARCH in
  2720             sysv5|solaris|hpux)
  2721                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ])
  2722                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  2723                 have_audio=yes
  2724             ;;
  2725             netbsd)  # Don't use this on OpenBSD, it's busted.
  2726                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD, 1, [ ])
  2727                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
  2728                 have_audio=yes
  2729             ;;
  2730             aix)
  2731                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ])
  2732                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
  2733                 have_audio=yes
  2734             ;;
  2735             android)
  2736                 AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ])
  2737                 SOURCES="$SOURCES $srcdir/src/audio/android/*.c"
  2738                 SUMMARY_audio="${SUMMARY_audio} android"
  2739                 have_audio=yes
  2740             ;;
  2741           esac
  2742         fi
  2743         # Set up files for the joystick library
  2744         if test x$enable_joystick = xyes; then
  2745           case $ARCH in
  2746             linux)
  2747                 AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ])
  2748                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
  2749                 have_joystick=yes
  2750             ;;
  2751             android)
  2752                 AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ])
  2753                 SOURCES="$SOURCES $srcdir/src/joystick/android/*.c"
  2754                 have_joystick=yes
  2755             ;;
  2756           esac
  2757         fi
  2758         # Set up files for the haptic library
  2759         if test x$enable_haptic = xyes; then
  2760            if test x$use_input_events = xyes; then
  2761              case $ARCH in
  2762                linux)
  2763                    AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ])
  2764                    SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"
  2765                    have_haptic=yes
  2766                ;;
  2767              esac
  2768            fi
  2769         fi
  2770         # Set up files for the power library
  2771         if test x$enable_power = xyes; then
  2772              case $ARCH in
  2773                linux)
  2774                    AC_DEFINE(SDL_POWER_LINUX, 1, [ ])
  2775                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"
  2776                    have_power=yes
  2777                ;;
  2778                android)
  2779                    AC_DEFINE(SDL_POWER_ANDROID, 1, [ ])
  2780                    SOURCES="$SOURCES $srcdir/src/power/android/*.c"
  2781                    have_power=yes
  2782                ;;
  2783              esac
  2784         fi
  2785         # Set up files for the filesystem library
  2786         if test x$enable_filesystem = xyes; then
  2787             AC_DEFINE(SDL_FILESYSTEM_UNIX, 1, [ ])
  2788             SOURCES="$SOURCES $srcdir/src/filesystem/unix/*.c"
  2789             have_filesystem=yes
  2790         fi
  2791         # Set up files for the timer library
  2792         if test x$enable_timers = xyes; then
  2793             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  2794             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2795             have_timers=yes
  2796         fi
  2797         # Set up files for udev hotplugging support
  2798         if test x$enable_libudev = xyes && test x$have_libudev_h_hdr = xyes; then
  2799             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_udev.c"               
  2800         fi
  2801         # Set up files for evdev input
  2802         if test x$use_input_events = xyes; then
  2803             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev.c"
  2804         fi       
  2805         ;;
  2806     *-*-cygwin* | *-*-mingw32*)
  2807         ARCH=win32
  2808         if test "$build" != "$host"; then # cross-compiling
  2809             # Default cross-compile location
  2810             ac_default_prefix=/usr/local/cross-tools/$host
  2811         else
  2812             # Look for the location of the tools and install there
  2813             if test "$BUILD_PREFIX" != ""; then
  2814                 ac_default_prefix=$BUILD_PREFIX
  2815             fi
  2816         fi
  2817         CheckDummyVideo
  2818         CheckDiskAudio
  2819         CheckDummyAudio
  2820         CheckWINDOWS
  2821         CheckWINDOWSGL
  2822         CheckWINDOWSGLES
  2823         CheckDIRECTX
  2824 
  2825         # Set up the core platform files
  2826         SOURCES="$SOURCES $srcdir/src/core/windows/*.c"
  2827 
  2828         # Set up files for the video library
  2829         if test x$enable_video = xyes; then
  2830             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])
  2831             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
  2832             have_video=yes
  2833             AC_ARG_ENABLE(render-d3d,
  2834 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
  2835                                 , enable_render_d3d=yes)
  2836             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
  2837                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])
  2838             fi
  2839             if test x$enable_render_d3d = xyes -a x$have_d3d11 = xyes; then
  2840                 AC_DEFINE(SDL_VIDEO_RENDER_D3D11, 1, [ ])
  2841             fi
  2842         fi
  2843         if test x$have_dxgi = xyes; then
  2844             AC_DEFINE(HAVE_DXGI_H, 1, [ ])
  2845         fi
  2846         # Set up files for the audio library
  2847         if test x$enable_audio = xyes; then
  2848             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])
  2849             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"
  2850             if test x$have_dsound = xyes; then
  2851                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])
  2852                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"
  2853             fi
  2854             if test x$have_xaudio2 = xyes; then
  2855                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
  2856                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
  2857             fi
  2858             have_audio=yes
  2859         fi
  2860         # Set up files for the joystick library
  2861         if test x$enable_joystick = xyes; then
  2862             if test x$have_dinput = xyes; then
  2863                 AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ])
  2864                 SOURCES="$SOURCES $srcdir/src/joystick/windows/SDL_dxjoystick.c"
  2865                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8"
  2866             else
  2867                 AC_DEFINE(SDL_JOYSTICK_WINMM, 1, [ ])
  2868                 SOURCES="$SOURCES $srcdir/src/joystick/windows/SDL_mmjoystick.c"
  2869             fi
  2870             have_joystick=yes
  2871         fi
  2872         if test x$enable_haptic = xyes; then
  2873             if test x$have_dinput = xyes; then
  2874                 AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ])
  2875                 SOURCES="$SOURCES $srcdir/src/haptic/windows/SDL_syshaptic.c"
  2876                 have_haptic=yes
  2877             fi
  2878         fi
  2879         if test x$enable_power = xyes; then
  2880             AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ])
  2881             SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c"
  2882             have_power=yes
  2883         fi
  2884         if test x$enable_filesystem = xyes; then
  2885             AC_DEFINE(SDL_FILESYSTEM_WINDOWS, 1, [ ])
  2886             SOURCES="$SOURCES $srcdir/src/filesystem/windows/SDL_sysfilesystem.c"
  2887             have_filesystem=yes
  2888         fi
  2889         # Set up files for the thread library
  2890         if test x$enable_threads = xyes; then
  2891             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])
  2892             SOURCES="$SOURCES $srcdir/src/thread/windows/*.c"
  2893             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2894             have_threads=yes
  2895         fi
  2896         # Set up files for the timer library
  2897         if test x$enable_timers = xyes; then
  2898             AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ])
  2899             SOURCES="$SOURCES $srcdir/src/timer/windows/*.c"
  2900             have_timers=yes
  2901         fi
  2902         # Set up files for the shared object loading library
  2903         if test x$enable_loadso = xyes; then
  2904             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])
  2905             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"
  2906             have_loadso=yes
  2907         fi
  2908         # Set up the system libraries we need
  2909         if test -f /lib/w32api/libuuid.a; then
  2910             LIBUUID=/lib/w32api/libuuid.a
  2911         else
  2912             LIBUUID=-luuid
  2913         fi
  2914         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion $LIBUUID -XCClinker -static-libgcc"
  2915         # The Windows platform requires special setup
  2916         VERSION_SOURCES="$srcdir/src/main/windows/*.rc"
  2917         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
  2918         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
  2919         SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows"
  2920 
  2921         # Check to see if this is a mingw or cygwin build
  2922         have_mingw32=
  2923         AC_CHECK_LIB(mingw32, main, [have_mingw32=yes])
  2924         if test x$have_mingw32 = xyes; then
  2925             SDL_LIBS="-lmingw32 $SDL_LIBS"
  2926         else
  2927             SDL_LIBS="-lcygwin $SDL_LIBS"
  2928         fi
  2929         ;;
  2930 
  2931     dnl BeOS support removed after SDL 2.0.1. Haiku still works.  --ryan.
  2932     *-*-beos*)
  2933         AC_MSG_ERROR([
  2934 *** BeOS support has been removed as of SDL 2.0.2.
  2935         ])
  2936         ;;
  2937 
  2938     *-*-haiku*)
  2939         ARCH=haiku
  2940         ac_default_prefix=/boot/system
  2941         CheckDummyVideo
  2942         CheckDiskAudio
  2943         CheckDummyAudio
  2944         CheckHaikuVideo
  2945         CheckHaikuGL
  2946         CheckPTHREAD
  2947 
  2948         # Set up files for the audio library
  2949         if test x$enable_audio = xyes; then
  2950             AC_DEFINE(SDL_AUDIO_DRIVER_HAIKU, 1, [ ])
  2951             SOURCES="$SOURCES $srcdir/src/audio/haiku/*.cc"
  2952             have_audio=yes
  2953         fi
  2954         # Set up files for the joystick library
  2955         if test x$enable_joystick = xyes; then
  2956             AC_DEFINE(SDL_JOYSTICK_HAIKU, 1, [ ])
  2957             SOURCES="$SOURCES $srcdir/src/joystick/haiku/*.cc"
  2958             have_joystick=yes
  2959         fi
  2960         # Set up files for the timer library
  2961         if test x$enable_timers = xyes; then
  2962             AC_DEFINE(SDL_TIMER_HAIKU, 1, [ ])
  2963             SOURCES="$SOURCES $srcdir/src/timer/haiku/*.c"
  2964             have_timers=yes
  2965         fi
  2966         # Set up files for the shared object loading library
  2967         if test x$enable_loadso = xyes; then
  2968             AC_DEFINE(SDL_LOADSO_HAIKU, 1, [ ])
  2969             SOURCES="$SOURCES $srcdir/src/loadso/haiku/*.c"
  2970             have_loadso=yes
  2971         fi
  2972         # Set up files for the system power library
  2973         if test x$enable_power = xyes; then
  2974             AC_DEFINE(SDL_POWER_HAIKU, 1, [ ])
  2975             SOURCES="$SOURCES $srcdir/src/power/haiku/*.c"
  2976             have_power=yes
  2977         fi
  2978         # Set up files for the system filesystem library
  2979         if test x$enable_filesystem = xyes; then
  2980             AC_DEFINE(SDL_FILESYSTEM_HAIKU, 1, [ ])
  2981             SOURCES="$SOURCES $srcdir/src/filesystem/haiku/*.cc"
  2982             have_filesystem=yes
  2983         fi
  2984         # The Haiku platform requires special setup.
  2985         SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES"
  2986         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
  2987         ;;
  2988     arm*-apple-darwin*)
  2989         # iOS - We are not writing anything to confdefs.h because you have to replace
  2990         # SDL_config.h for SDL_config_iphoneos.h anyway
  2991         ARCH=ios
  2992 
  2993         CheckVisibilityHidden
  2994         CheckDummyVideo
  2995         CheckDiskAudio
  2996         CheckDummyAudio
  2997         CheckDLOPEN
  2998         CheckCOCOA
  2999         CheckPTHREAD
  3000 
  3001 
  3002         # Set up files for the audio library
  3003         if test x$enable_audio = xyes; then
  3004             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  3005             have_audio=yes
  3006         fi
  3007         # Set up files for the joystick library
  3008         if test x$enable_joystick = xyes; then
  3009             SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m"
  3010             have_joystick=yes
  3011         fi
  3012         # Set up files for the haptic library
  3013         #if test x$enable_haptic = xyes; then
  3014         #    SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3015         #    have_haptic=yes
  3016         #    EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3017         #fi
  3018         # Set up files for the power library
  3019         if test x$enable_power = xyes; then
  3020             SOURCES="$SOURCES $srcdir/src/power/uikit/*.m"
  3021             have_power=yes
  3022         fi
  3023         # Set up files for the filesystem library
  3024         if test x$enable_filesystem = xyes; then
  3025             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3026             have_filesystem=yes
  3027         fi
  3028         # Set up files for the timer library
  3029         if test x$enable_timers = xyes; then
  3030             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3031             have_timers=yes
  3032         fi
  3033         # Set up additional files for the file library
  3034         if test x$enable_file = xyes; then
  3035             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3036         fi
  3037         # The iOS platform requires special setup.
  3038         SOURCES="$SOURCES $srcdir/src/video/uikit/*.m"
  3039         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3040         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -liconv -lobjc"
  3041         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Foundation"
  3042         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"
  3043         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGLES"
  3044         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"
  3045         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio"
  3046         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox"
  3047         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreGraphics"
  3048         ;;
  3049     *-*-darwin* )
  3050         # This could be either full "Mac OS X", or plain "Darwin" which is
  3051         # just the OS X kernel sans upper layers like Carbon and Cocoa.
  3052         # Next line is broken, and a few files below require Mac OS X (full)
  3053         ARCH=macosx
  3054 
  3055         # Mac OS X builds with both the Carbon and OSX APIs at the moment
  3056         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
  3057         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
  3058 
  3059         CheckVisibilityHidden
  3060         CheckDummyVideo
  3061         CheckDiskAudio
  3062         CheckDummyAudio
  3063         CheckDLOPEN
  3064         CheckCOCOA
  3065         CheckX11
  3066         CheckMacGL
  3067         CheckOpenGLX11
  3068         CheckPTHREAD
  3069 
  3070         # Set up files for the audio library
  3071         if test x$enable_audio = xyes; then
  3072             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
  3073             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  3074             have_audio=yes
  3075         fi
  3076         # Set up files for the joystick library
  3077         if test x$enable_joystick = xyes; then
  3078             AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ])
  3079             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
  3080             have_joystick=yes
  3081         fi
  3082         # Set up files for the haptic library
  3083         if test x$enable_haptic = xyes; then
  3084             AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ])
  3085             SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3086             have_haptic=yes
  3087             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3088         fi
  3089         # Set up files for the power library
  3090         if test x$enable_power = xyes; then
  3091             AC_DEFINE(SDL_POWER_MACOSX, 1, [ ])
  3092             SOURCES="$SOURCES $srcdir/src/power/macosx/*.c"
  3093             have_power=yes
  3094         fi
  3095         # Set up files for the filesystem library
  3096         if test x$enable_filesystem = xyes; then
  3097             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])
  3098             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3099             have_filesystem=yes
  3100         fi
  3101         # Set up files for the timer library
  3102         if test x$enable_timers = xyes; then
  3103             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3104             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3105             have_timers=yes
  3106         fi
  3107         # Set up additional files for the file library
  3108         if test x$enable_file = xyes; then
  3109             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3110         fi
  3111         # The Mac OS X platform requires special setup.
  3112         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3113         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc"
  3114         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
  3115         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
  3116         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
  3117         # If audio is used, add the AudioUnit framework
  3118         if test x$enable_audio = xyes; then
  3119             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit"
  3120         fi
  3121         ;;
  3122     *)
  3123         AC_MSG_ERROR([
  3124 *** Unsupported host:  Please add to configure.in
  3125         ])
  3126         ;;
  3127 esac
  3128 
  3129 dnl Do this on all platforms, after everything else.
  3130 CheckWarnAll
  3131 
  3132 # Verify that we have all the platform specific files we need
  3133 
  3134 if test x$have_joystick != xyes; then
  3135     if test x$enable_joystick = xyes; then
  3136         AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
  3137     fi
  3138     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
  3139 fi
  3140 if test x$have_haptic != xyes; then
  3141     if test x$enable_haptic = xyes; then
  3142         AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
  3143     fi
  3144     SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c"
  3145 fi
  3146 if test x$have_threads != xyes; then
  3147     if test x$enable_threads = xyes; then
  3148         AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
  3149     fi
  3150     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
  3151 fi
  3152 if test x$have_timers != xyes; then
  3153     if test x$enable_timers = xyes; then
  3154         AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
  3155     fi
  3156     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
  3157 fi
  3158 if test x$have_filesystem != xyes; then
  3159     if test x$enable_filesystem = xyes; then
  3160         AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
  3161     fi
  3162     SOURCES="$SOURCES $srcdir/src/filesystem/dummy/*.c"
  3163 fi
  3164 if test x$have_loadso != xyes; then
  3165     if test x$enable_loadso = xyes; then
  3166         AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
  3167     fi
  3168     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
  3169 fi
  3170 if test x$SDLMAIN_SOURCES = x; then
  3171     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
  3172 fi
  3173 SDLTEST_SOURCES="$srcdir/src/test/*.c"
  3174 
  3175 OBJECTS=`echo $SOURCES`
  3176 DEPENDS=`echo $SOURCES | tr ' ' '\n'`
  3177 for EXT in asm cc m c S; do
  3178     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`
  3179     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\
  3180 \\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
  3181 	\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3182 done
  3183 
  3184 VERSION_OBJECTS=`echo $VERSION_SOURCES`
  3185 VERSION_DEPENDS=`echo $VERSION_SOURCES`
  3186 VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
  3187 VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\
  3188 \\$(objects)/\\2.o: \\1/\\2.rc\\\\
  3189 	\\$(WINDRES) \\$< \\$@,g"`
  3190 
  3191 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
  3192 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
  3193 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3194 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3195 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3196 	\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3197 
  3198 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`
  3199 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`
  3200 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3201 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3202 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3203 	\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3204 
  3205 # Set runtime shared library paths as needed
  3206 
  3207 if test "x$enable_rpath" = "xyes"; then
  3208   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
  3209     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
  3210   fi
  3211   if test $ARCH = solaris; then
  3212     SDL_RLD_FLAGS="-R\${libdir}"
  3213   fi
  3214 else
  3215   SDL_RLD_FLAGS=""
  3216 fi
  3217 
  3218 SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
  3219 
  3220 dnl Expand the cflags and libraries needed by apps using SDL
  3221 AC_SUBST(SDL_CFLAGS)
  3222 AC_SUBST(SDL_LIBS)
  3223 AC_SUBST(SDL_STATIC_LIBS)
  3224 AC_SUBST(SDL_RLD_FLAGS)
  3225 if test x$enable_shared = xyes; then
  3226     ENABLE_SHARED_TRUE=
  3227     ENABLE_SHARED_FALSE="#"
  3228 else
  3229     ENABLE_SHARED_TRUE="#"
  3230     ENABLE_SHARED_FALSE=
  3231 fi
  3232 if test x$enable_static = xyes; then
  3233     ENABLE_STATIC_TRUE=
  3234     ENABLE_STATIC_FALSE="#"
  3235 else
  3236     ENABLE_STATIC_TRUE="#"
  3237     ENABLE_STATIC_FALSE=
  3238 fi
  3239 AC_SUBST(ENABLE_SHARED_TRUE)
  3240 AC_SUBST(ENABLE_SHARED_FALSE)
  3241 AC_SUBST(ENABLE_STATIC_TRUE)
  3242 AC_SUBST(ENABLE_STATIC_FALSE)
  3243 
  3244 dnl Expand the sources and objects needed to build the library
  3245 AC_SUBST(ac_aux_dir)
  3246 AC_SUBST(INCLUDE)
  3247 AC_SUBST(OBJECTS)
  3248 AC_SUBST(VERSION_OBJECTS)
  3249 AC_SUBST(SDLMAIN_OBJECTS)
  3250 AC_SUBST(SDLTEST_OBJECTS)
  3251 AC_SUBST(BUILD_CFLAGS)
  3252 AC_SUBST(EXTRA_CFLAGS)
  3253 AC_SUBST(BUILD_LDFLAGS)
  3254 AC_SUBST(EXTRA_LDFLAGS)
  3255 AC_SUBST(WINDRES)
  3256 
  3257 cat >Makefile.rules <<__EOF__
  3258 
  3259 # Build rules for objects
  3260 -include \$(OBJECTS:.lo=.d)
  3261 
  3262 # Special dependency for SDL.c, since it depends on SDL_revision.h
  3263 $srcdir/src/SDL.c: update-revision
  3264 $DEPENDS
  3265 $VERSION_DEPENDS
  3266 $SDLMAIN_DEPENDS
  3267 $SDLTEST_DEPENDS
  3268 __EOF__
  3269 
  3270 AC_CONFIG_FILES([
  3271     Makefile:Makefile.in:Makefile.rules sdl2-config SDL2.spec sdl2.pc
  3272 ])
  3273 AC_CONFIG_COMMANDS([sdl2_config],[chmod a+x sdl2-config])
  3274 
  3275 SUMMARY="SDL2 Configure Summary:\n"
  3276 if test x$enable_shared = xyes; then
  3277     SUMMARY="${SUMMARY}Building Shared Libraries\n"
  3278 fi
  3279 if test x$enable_static = xyes; then
  3280     SUMMARY="${SUMMARY}Building Static Libraries\n"
  3281 fi
  3282 SUMMARY="${SUMMARY}Enabled modules :${SUMMARY_modules}\n"
  3283 SUMMARY="${SUMMARY}Assembly Math   :${SUMMARY_math}\n" 
  3284 SUMMARY="${SUMMARY}Audio drivers   :${SUMMARY_audio}\n"
  3285 SUMMARY="${SUMMARY}Video drivers   :${SUMMARY_video}\n"
  3286 if test x$have_x = xyes; then
  3287     SUMMARY="${SUMMARY}X11 libraries   :${SUMMARY_video_x11}\n"
  3288 fi
  3289 SUMMARY="${SUMMARY}Input drivers   :${SUMMARY_input}\n"
  3290 if test x$enable_libudev = xyes; then
  3291     SUMMARY="${SUMMARY}Using libudev   : YES\n"
  3292 else
  3293     SUMMARY="${SUMMARY}Using libudev   : NO\n"
  3294 fi
  3295 if test x$have_dbus_dbus_h_hdr = xyes; then
  3296     SUMMARY="${SUMMARY}Using dbus      : YES\n"
  3297 else
  3298     SUMMARY="${SUMMARY}Using dbus      : NO\n"
  3299 fi
  3300 AC_CONFIG_COMMANDS([summary], [echo -en "$SUMMARY"], [SUMMARY="$SUMMARY"])
  3301 
  3302 AC_OUTPUT