configure.in
author Sam Lantinga <slouken@libsdl.org>
Sat, 07 Jun 2014 18:20:01 -0700
changeset 8840 9b6ddcbdea65
parent 8833 ae720d61d14d
child 8842 f587255157cf
permissions -rw-r--r--
Added SDL_sqrtf(), SDL_tan(), SDL_tanf()
     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="$EXTRA_LDFLAGS -lm"])
   274     AC_CHECK_FUNCS(atan atan2 acos asin ceil copysign cos cosf fabs floor log pow scalbn sin sinf sqrt tan tanf)
   275 
   276     AC_CHECK_LIB(iconv, iconv_open, [LIBS="$LIBS -liconv"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -liconv"])
   277     AC_CHECK_FUNCS(iconv)
   278 
   279     AC_CHECK_MEMBER(struct sigaction.sa_sigaction,[AC_DEFINE(HAVE_SA_SIGACTION)], ,[#include <signal.h>])
   280 fi
   281 
   282 dnl AC_CHECK_SIZEOF(void*)
   283 
   284 dnl See whether we can use gcc atomic operations on this architecture
   285 AC_ARG_ENABLE(gcc-atomics,
   286 AC_HELP_STRING([--enable-gcc-atomics],
   287                [Use gcc builtin atomics [[default=yes]]]),
   288               , enable_gcc_atomics=yes)
   289 if test x$enable_gcc_atomics = xyes; then
   290     have_gcc_atomics=no
   291     AC_MSG_CHECKING(for GCC builtin atomic operations)
   292     AC_TRY_LINK([
   293     ],[
   294     int a;
   295     void *x, *y, *z;
   296     __sync_lock_test_and_set(&a, 4);
   297     __sync_lock_test_and_set(&x, y);
   298     __sync_fetch_and_add(&a, 1);
   299     __sync_bool_compare_and_swap(&a, 5, 10);
   300     __sync_bool_compare_and_swap(&x, y, z);
   301     ],[
   302     have_gcc_atomics=yes
   303     ])
   304     AC_MSG_RESULT($have_gcc_atomics)
   305 
   306     if test x$have_gcc_atomics = xyes; then
   307         AC_DEFINE(HAVE_GCC_ATOMICS, 1, [ ])
   308     else
   309         # See if we have the minimum operation needed for GCC atomics
   310         AC_TRY_LINK([
   311         ],[
   312         int a;
   313         __sync_lock_test_and_set(&a, 1);
   314         __sync_lock_release(&a);
   315         ],[
   316         have_gcc_sync_lock_test_and_set=yes
   317         ])
   318         if test x$have_gcc_sync_lock_test_and_set = xyes; then
   319             AC_DEFINE(HAVE_GCC_SYNC_LOCK_TEST_AND_SET, 1, [ ])
   320         fi
   321     fi
   322 fi
   323 
   324 # Standard C sources
   325 SOURCES="$SOURCES $srcdir/src/*.c"
   326 SOURCES="$SOURCES $srcdir/src/atomic/*.c"
   327 SOURCES="$SOURCES $srcdir/src/audio/*.c"
   328 SOURCES="$SOURCES $srcdir/src/cpuinfo/*.c"
   329 SOURCES="$SOURCES $srcdir/src/dynapi/*.c"
   330 SOURCES="$SOURCES $srcdir/src/events/*.c"
   331 SOURCES="$SOURCES $srcdir/src/file/*.c"
   332 SOURCES="$SOURCES $srcdir/src/haptic/*.c"
   333 SOURCES="$SOURCES $srcdir/src/joystick/*.c"
   334 SOURCES="$SOURCES $srcdir/src/libm/*.c"
   335 SOURCES="$SOURCES $srcdir/src/power/*.c"
   336 #SOURCES="$SOURCES $srcdir/src/filesystem/*.c"
   337 SOURCES="$SOURCES $srcdir/src/render/*.c"
   338 SOURCES="$SOURCES $srcdir/src/render/*/*.c"
   339 SOURCES="$SOURCES $srcdir/src/stdlib/*.c"
   340 SOURCES="$SOURCES $srcdir/src/thread/*.c"
   341 SOURCES="$SOURCES $srcdir/src/timer/*.c"
   342 SOURCES="$SOURCES $srcdir/src/video/*.c"
   343 
   344 dnl Enable/disable various subsystems of the SDL library
   345 
   346 AC_ARG_ENABLE(atomic,
   347 AC_HELP_STRING([--enable-atomic], [Enable the atomic operations subsystem [[default=yes]]]),
   348               , enable_atomic=yes)
   349 if test x$enable_atomic != xyes; then
   350     AC_DEFINE(SDL_ATOMIC_DISABLED, 1, [ ])
   351 else
   352     SUMMARY_modules="${SUMMARY_modules} atomic"
   353 fi
   354 AC_ARG_ENABLE(audio,
   355 AC_HELP_STRING([--enable-audio], [Enable the audio subsystem [[default=yes]]]),
   356               , enable_audio=yes)
   357 if test x$enable_audio != xyes; then
   358     AC_DEFINE(SDL_AUDIO_DISABLED, 1, [ ])
   359 else
   360     SUMMARY_modules="${SUMMARY_modules} audio"
   361 fi
   362 AC_ARG_ENABLE(video,
   363 AC_HELP_STRING([--enable-video], [Enable the video subsystem [[default=yes]]]),
   364               , enable_video=yes)
   365 if test x$enable_video != xyes; then
   366     AC_DEFINE(SDL_VIDEO_DISABLED, 1, [ ])
   367 else
   368     SUMMARY_modules="${SUMMARY_modules} video"
   369 fi
   370 AC_ARG_ENABLE(render,
   371 AC_HELP_STRING([--enable-render], [Enable the render subsystem [[default=yes]]]),
   372               , enable_render=yes)
   373 if test x$enable_render != xyes; then
   374     AC_DEFINE(SDL_RENDER_DISABLED, 1, [ ])
   375 else
   376     SUMMARY_modules="${SUMMARY_modules} render"
   377 fi
   378 AC_ARG_ENABLE(events,
   379 AC_HELP_STRING([--enable-events], [Enable the events subsystem [[default=yes]]]),
   380               , enable_events=yes)
   381 if test x$enable_events != xyes; then
   382     AC_DEFINE(SDL_EVENTS_DISABLED, 1, [ ])
   383 else
   384     SUMMARY_modules="${SUMMARY_modules} events"
   385 fi
   386 AC_ARG_ENABLE(joystick,
   387 AC_HELP_STRING([--enable-joystick], [Enable the joystick subsystem [[default=yes]]]),
   388               , enable_joystick=yes)
   389 if test x$enable_joystick != xyes; then
   390     AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
   391 else
   392     SUMMARY_modules="${SUMMARY_modules} joystick"
   393 fi
   394 AC_ARG_ENABLE(haptic,
   395 AC_HELP_STRING([--enable-haptic], [Enable the haptic (force feedback) subsystem [[default=yes]]]),
   396               , enable_haptic=yes)
   397 if test x$enable_haptic != xyes; then
   398     AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
   399 else
   400     SUMMARY_modules="${SUMMARY_modules} haptic"
   401 fi
   402 AC_ARG_ENABLE(power,
   403 AC_HELP_STRING([--enable-power], [Enable the power subsystem [[default=yes]]]),
   404               , enable_power=yes)
   405 if test x$enable_power != xyes; then
   406     AC_DEFINE(SDL_POWER_DISABLED, 1, [ ])
   407 else
   408     SUMMARY_modules="${SUMMARY_modules} power"
   409 fi
   410 AC_ARG_ENABLE(filesystem,
   411 AC_HELP_STRING([--enable-filesystem], [Enable the filesystem subsystem [[default=yes]]]),
   412               , enable_filesystem=yes)
   413 if test x$enable_filesystem != xyes; then
   414     AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
   415 else
   416     SUMMARY_modules="${SUMMARY_modules} filesystem"
   417 fi
   418 AC_ARG_ENABLE(threads,
   419 AC_HELP_STRING([--enable-threads], [Enable the threading subsystem [[default=yes]]]),
   420               , enable_threads=yes)
   421 if test x$enable_threads != xyes; then
   422     AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
   423 else
   424     SUMMARY_modules="${SUMMARY_modules} threads"
   425 fi
   426 AC_ARG_ENABLE(timers,
   427 AC_HELP_STRING([--enable-timers], [Enable the timer subsystem [[default=yes]]]),
   428               , enable_timers=yes)
   429 if test x$enable_timers != xyes; then
   430     AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
   431 else
   432     SUMMARY_modules="${SUMMARY_modules} timers"
   433 fi
   434 AC_ARG_ENABLE(file,
   435 AC_HELP_STRING([--enable-file], [Enable the file subsystem [[default=yes]]]),
   436               , enable_file=yes)
   437 if test x$enable_file != xyes; then
   438     AC_DEFINE(SDL_FILE_DISABLED, 1, [ ])
   439 else
   440     SUMMARY_modules="${SUMMARY_modules} file"
   441 fi
   442 AC_ARG_ENABLE(loadso,
   443 AC_HELP_STRING([--enable-loadso], [Enable the shared object loading subsystem [[default=yes]]]),
   444               , enable_loadso=yes)
   445 if test x$enable_loadso != xyes; then
   446     AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
   447 else
   448     SUMMARY_modules="${SUMMARY_modules} loadso"
   449 fi
   450 AC_ARG_ENABLE(cpuinfo,
   451 AC_HELP_STRING([--enable-cpuinfo], [Enable the cpuinfo subsystem [[default=yes]]]),
   452               , enable_cpuinfo=yes)
   453 if test x$enable_cpuinfo != xyes; then
   454     AC_DEFINE(SDL_CPUINFO_DISABLED, 1, [ ])
   455 else
   456     SUMMARY_modules="${SUMMARY_modules} cpuinfo"
   457 fi
   458 AC_ARG_ENABLE(assembly,
   459 AC_HELP_STRING([--enable-assembly], [Enable assembly routines [[default=yes]]]),
   460               , enable_assembly=yes)
   461 if test x$enable_assembly = xyes; then
   462     SUMMARY_modules="${SUMMARY_modules} assembly"
   463 
   464     AC_DEFINE(SDL_ASSEMBLY_ROUTINES, 1, [ ])
   465 
   466     # Make sure that we don't generate floating point code that would
   467     # cause illegal instruction exceptions on older processors
   468     case "$host" in
   469         *-*-darwin*)
   470             # Don't need to worry about Apple hardware, it's all SSE capable
   471             default_ssemath=yes
   472             ;;
   473         *64-*-*)
   474             # x86 64-bit architectures all have SSE instructions
   475             default_ssemath=yes
   476             ;;
   477         *)
   478             default_ssemath=no
   479             ;;
   480     esac
   481     AC_ARG_ENABLE(ssemath,
   482 AC_HELP_STRING([--enable-ssemath], [Allow GCC to use SSE floating point math [[default=no]]]),
   483                   , enable_ssemath=$default_ssemath)
   484     if test x$enable_ssemath = xno; then
   485         if test x$have_gcc_sse = xyes -o x$have_gcc_sse2 = xyes; then
   486             EXTRA_CFLAGS="$EXTRA_CFLAGS -mfpmath=387"
   487         fi
   488     fi
   489 
   490     dnl Check for various instruction support
   491     AC_ARG_ENABLE(mmx,
   492 AC_HELP_STRING([--enable-mmx], [use MMX assembly routines [[default=yes]]]),
   493                   , enable_mmx=yes)
   494     if test x$enable_mmx = xyes; then
   495         save_CFLAGS="$CFLAGS"
   496         have_gcc_mmx=no
   497         AC_MSG_CHECKING(for GCC -mmmx option)
   498         mmx_CFLAGS="-mmmx"
   499         CFLAGS="$save_CFLAGS $mmx_CFLAGS"
   500 
   501         AC_TRY_COMPILE([
   502         #ifdef __MINGW32__
   503         #include <_mingw.h>
   504         #ifdef __MINGW64_VERSION_MAJOR
   505         #include <intrin.h>
   506         #else
   507         #include <mmintrin.h>
   508         #endif
   509         #else
   510         #include <mmintrin.h>
   511         #endif
   512         #ifndef __MMX__
   513         #error Assembler CPP flag not enabled
   514         #endif
   515         ],[
   516         ],[
   517         have_gcc_mmx=yes
   518         ])
   519         AC_MSG_RESULT($have_gcc_mmx)
   520         CFLAGS="$save_CFLAGS"
   521 
   522         if test x$have_gcc_mmx = xyes; then
   523             EXTRA_CFLAGS="$EXTRA_CFLAGS $mmx_CFLAGS"
   524             SUMMARY_math="${SUMMARY_math} mmx"
   525         fi
   526     fi
   527 
   528     AC_ARG_ENABLE(3dnow,
   529 AC_HELP_STRING([--enable-3dnow], [use 3DNow! assembly routines [[default=yes]]]),
   530                   , enable_3dnow=yes)
   531     if test x$enable_3dnow = xyes; then
   532         save_CFLAGS="$CFLAGS"
   533         have_gcc_3dnow=no
   534         AC_MSG_CHECKING(for GCC -m3dnow option)
   535         amd3dnow_CFLAGS="-m3dnow"
   536         CFLAGS="$save_CFLAGS $amd3dnow_CFLAGS"
   537 
   538         AC_TRY_LINK([
   539         #include <mm3dnow.h>
   540         #ifndef __3dNOW__
   541         #error Assembler CPP flag not enabled
   542         #endif
   543         ],[
   544         void *p = 0;
   545         _m_prefetch(p);
   546         ],[
   547         have_gcc_3dnow=yes
   548         ])
   549         AC_MSG_RESULT($have_gcc_3dnow)
   550         CFLAGS="$save_CFLAGS"
   551 
   552         if test x$have_gcc_3dnow = xyes; then
   553             EXTRA_CFLAGS="$EXTRA_CFLAGS $amd3dnow_CFLAGS"
   554             SUMMARY_math="${SUMMARY_math} 3dnow"
   555         fi
   556     fi
   557 
   558     AC_ARG_ENABLE(sse,
   559 AC_HELP_STRING([--enable-sse], [use SSE assembly routines [[default=yes]]]),
   560                   , enable_sse=yes)
   561     if test x$enable_sse = xyes; then
   562         save_CFLAGS="$CFLAGS"
   563         have_gcc_sse=no
   564         AC_MSG_CHECKING(for GCC -msse option)
   565         sse_CFLAGS="-msse"
   566         CFLAGS="$save_CFLAGS $sse_CFLAGS"
   567 
   568         AC_TRY_COMPILE([
   569         #ifdef __MINGW32__
   570         #include <_mingw.h>
   571         #ifdef __MINGW64_VERSION_MAJOR
   572         #include <intrin.h>
   573         #else
   574         #include <xmmintrin.h>
   575         #endif
   576         #else
   577         #include <xmmintrin.h>
   578         #endif
   579         #ifndef __SSE__
   580         #error Assembler CPP flag not enabled
   581         #endif
   582         ],[
   583         ],[
   584         have_gcc_sse=yes
   585         ])
   586         AC_MSG_RESULT($have_gcc_sse)
   587         CFLAGS="$save_CFLAGS"
   588 
   589         if test x$have_gcc_sse = xyes; then
   590             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse_CFLAGS"
   591             SUMMARY_math="${SUMMARY_math} sse"
   592         fi
   593     fi
   594 
   595     AC_ARG_ENABLE(sse2,
   596 AC_HELP_STRING([--enable-sse2], [use SSE2 assembly routines [[default=no]]]),
   597                   , enable_sse2=$default_ssemath)
   598     if test x$enable_sse2 = xyes; then
   599         save_CFLAGS="$CFLAGS"
   600         have_gcc_sse2=no
   601         AC_MSG_CHECKING(for GCC -msse2 option)
   602         sse2_CFLAGS="-msse2"
   603         CFLAGS="$save_CFLAGS $sse2_CFLAGS"
   604 
   605         AC_TRY_COMPILE([
   606         #ifdef __MINGW32__
   607         #include <_mingw.h>
   608         #ifdef __MINGW64_VERSION_MAJOR
   609         #include <intrin.h>
   610         #else
   611         #include <emmintrin.h>
   612         #endif
   613         #else
   614         #include <emmintrin.h>
   615         #endif
   616         #ifndef __SSE2__
   617         #error Assembler CPP flag not enabled
   618         #endif
   619         ],[
   620         ],[
   621         have_gcc_sse2=yes
   622         ])
   623         AC_MSG_RESULT($have_gcc_sse2)
   624         CFLAGS="$save_CFLAGS"
   625 
   626         if test x$have_gcc_sse2 = xyes; then
   627             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse2_CFLAGS"
   628             SUMMARY_math="${SUMMARY_math} sse2"
   629         fi
   630     fi
   631 
   632     AC_ARG_ENABLE(altivec,
   633 AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]]]),
   634                   , enable_altivec=yes)
   635     if test x$enable_altivec = xyes; then
   636         save_CFLAGS="$CFLAGS"
   637         have_gcc_altivec=no
   638         have_altivec_h_hdr=no
   639         altivec_CFLAGS="-maltivec"
   640         CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   641 
   642         AC_MSG_CHECKING(for Altivec with GCC altivec.h and -maltivec option)
   643         AC_TRY_COMPILE([
   644         #include <altivec.h>
   645         vector unsigned int vzero() {
   646             return vec_splat_u32(0);
   647         }
   648         ],[
   649         ],[
   650         have_gcc_altivec=yes
   651         have_altivec_h_hdr=yes
   652         ])
   653         AC_MSG_RESULT($have_gcc_altivec)
   654 
   655         if test x$have_gcc_altivec = xno; then
   656             AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
   657             AC_TRY_COMPILE([
   658             vector unsigned int vzero() {
   659                 return vec_splat_u32(0);
   660             }
   661             ],[
   662             ],[
   663             have_gcc_altivec=yes
   664             ])
   665             AC_MSG_RESULT($have_gcc_altivec)
   666         fi
   667 
   668         if test x$have_gcc_altivec = xno; then
   669             AC_MSG_CHECKING(for Altivec with GCC altivec.h and -faltivec option)
   670             altivec_CFLAGS="-faltivec"
   671             CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   672             AC_TRY_COMPILE([
   673             #include <altivec.h>
   674             vector unsigned int vzero() {
   675                 return vec_splat_u32(0);
   676             }
   677             ],[
   678             ],[
   679             have_gcc_altivec=yes
   680             have_altivec_h_hdr=yes
   681             ])
   682             AC_MSG_RESULT($have_gcc_altivec)
   683         fi
   684 
   685         if test x$have_gcc_altivec = xno; then
   686             AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
   687             AC_TRY_COMPILE([
   688             vector unsigned int vzero() {
   689                 return vec_splat_u32(0);
   690             }
   691             ],[
   692             ],[
   693             have_gcc_altivec=yes
   694             ])
   695             AC_MSG_RESULT($have_gcc_altivec)
   696         fi
   697         CFLAGS="$save_CFLAGS"
   698 
   699         if test x$have_gcc_altivec = xyes; then
   700             AC_DEFINE(SDL_ALTIVEC_BLITTERS, 1, [ ])
   701             if test x$have_altivec_h_hdr = xyes; then
   702               AC_DEFINE(HAVE_ALTIVEC_H, 1, [ ])
   703             fi
   704             EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
   705             SUMMARY_math="${SUMMARY_math} altivec"
   706         fi
   707     fi
   708 fi
   709 
   710 dnl See if the OSS audio interface is supported
   711 CheckOSS()
   712 {
   713     AC_ARG_ENABLE(oss,
   714 AC_HELP_STRING([--enable-oss], [support the OSS audio API [[default=maybe]]]),
   715                   , enable_oss=maybe)
   716 
   717     # OpenBSD "has" OSS, but it's not really for app use. They want you to
   718     #  use sndio instead. So on there, we default to disabled. You can force
   719     #  it on if you really want, though.
   720     if test x$enable_oss = xmaybe; then
   721         enable_oss=yes
   722         case "$host" in
   723             *-*-openbsd*)
   724                 enable_oss=no;;
   725         esac
   726     fi
   727 
   728     if test x$enable_audio = xyes -a x$enable_oss = xyes; then
   729         AC_MSG_CHECKING(for OSS audio support)
   730         have_oss=no
   731         if test x$have_oss != xyes; then
   732             AC_TRY_COMPILE([
   733               #include <sys/soundcard.h>
   734             ],[
   735               int arg = SNDCTL_DSP_SETFRAGMENT;
   736             ],[
   737             have_oss=yes
   738             ])
   739         fi
   740         if test x$have_oss != xyes; then
   741             AC_TRY_COMPILE([
   742               #include <soundcard.h>
   743             ],[
   744               int arg = SNDCTL_DSP_SETFRAGMENT;
   745             ],[
   746             have_oss=yes
   747             AC_DEFINE(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H, 1, [ ])
   748             ])
   749         fi
   750         AC_MSG_RESULT($have_oss)
   751         if test x$have_oss = xyes; then
   752             SUMMARY_audio="${SUMMARY_audio} oss"
   753             AC_DEFINE(SDL_AUDIO_DRIVER_OSS, 1, [ ])
   754             SOURCES="$SOURCES $srcdir/src/audio/dsp/*.c"
   755             have_audio=yes
   756 
   757             # We may need to link with ossaudio emulation library
   758             case "$host" in
   759                 *-*-openbsd*|*-*-netbsd*)
   760                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lossaudio";;
   761             esac
   762         fi
   763     fi
   764 }
   765 
   766 dnl See if the ALSA audio interface is supported
   767 CheckALSA()
   768 {
   769     AC_ARG_ENABLE(alsa,
   770 AC_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),
   771                   , enable_alsa=yes)
   772     if test x$enable_audio = xyes -a x$enable_alsa = xyes; then
   773         AM_PATH_ALSA(0.9.0, have_alsa=yes, have_alsa=no)
   774         # Restore all flags from before the ALSA detection runs
   775         CFLAGS="$alsa_save_CFLAGS"
   776         LDFLAGS="$alsa_save_LDFLAGS"
   777         LIBS="$alsa_save_LIBS"
   778         if test x$have_alsa = xyes; then
   779             AC_ARG_ENABLE(alsa-shared,
   780 AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
   781                           , enable_alsa_shared=yes)
   782             alsa_lib=[`find_lib "libasound.so.*" "$ALSA_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   783 
   784             AC_DEFINE(SDL_AUDIO_DRIVER_ALSA, 1, [ ])
   785             SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c"
   786             EXTRA_CFLAGS="$EXTRA_CFLAGS $ALSA_CFLAGS"
   787             if test x$have_loadso != xyes && \
   788                test x$enable_alsa_shared = xyes; then
   789                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading])
   790             fi
   791             if test x$have_loadso = xyes && \
   792                test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then
   793                 echo "-- dynamic libasound -> $alsa_lib"
   794                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ALSA_DYNAMIC, "$alsa_lib", [ ])
   795                 SUMMARY_audio="${SUMMARY_audio} alsa(dynamic)"
   796             else
   797                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ALSA_LIBS"
   798                 SUMMARY_audio="${SUMMARY_audio} alsa"
   799             fi
   800             have_audio=yes
   801         fi
   802     fi
   803 }
   804 
   805 dnl Find the ESD includes and libraries
   806 CheckESD()
   807 {
   808     AC_ARG_ENABLE(esd,
   809 AC_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),
   810                   , enable_esd=yes)
   811     if test x$enable_audio = xyes -a x$enable_esd = xyes; then
   812         AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no)
   813         if test x$have_esd = xyes; then
   814             AC_ARG_ENABLE(esd-shared,
   815 AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
   816                           , enable_esd_shared=yes)
   817             esd_lib=[`find_lib "libesd.so.*" "$ESD_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   818 
   819             AC_DEFINE(SDL_AUDIO_DRIVER_ESD, 1, [ ])
   820             SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"
   821             EXTRA_CFLAGS="$EXTRA_CFLAGS $ESD_CFLAGS"
   822             if test x$have_loadso != xyes && \
   823                test x$enable_esd_shared = xyes; then
   824                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading])
   825             fi
   826             if test x$have_loadso = xyes && \
   827                test x$enable_esd_shared = xyes && test x$esd_lib != x; then
   828                 echo "-- dynamic libesd -> $esd_lib"
   829                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib", [ ])
   830                 SUMMARY_audio="${SUMMARY_audio} esd(dynamic)"
   831             else
   832                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ESD_LIBS"
   833                 SUMMARY_audio="${SUMMARY_audio} esd"
   834             fi
   835             have_audio=yes
   836         fi
   837     fi
   838 }
   839 
   840 dnl Find PulseAudio
   841 CheckPulseAudio()
   842 {
   843     AC_ARG_ENABLE(pulseaudio,
   844 AC_HELP_STRING([--enable-pulseaudio], [use PulseAudio [[default=yes]]]),
   845                   , enable_pulseaudio=yes)
   846     if test x$enable_audio = xyes -a x$enable_pulseaudio = xyes; then
   847         audio_pulseaudio=no
   848 
   849         PULSEAUDIO_REQUIRED_VERSION=0.9
   850 
   851         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
   852         AC_MSG_CHECKING(for PulseAudio $PULSEAUDIO_REQUIRED_VERSION support)
   853         if test x$PKG_CONFIG != xno; then
   854         if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $PULSEAUDIO_REQUIRED_VERSION libpulse-simple; then
   855                 PULSEAUDIO_CFLAGS=`$PKG_CONFIG --cflags libpulse-simple`
   856                 PULSEAUDIO_LIBS=`$PKG_CONFIG --libs libpulse-simple`
   857                 audio_pulseaudio=yes
   858             fi
   859         fi
   860         AC_MSG_RESULT($audio_pulseaudio)
   861 
   862         if test x$audio_pulseaudio = xyes; then
   863             AC_ARG_ENABLE(pulseaudio-shared,
   864 AC_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [[default=yes]]]),
   865                           , enable_pulseaudio_shared=yes)
   866             pulseaudio_lib=[`find_lib "libpulse-simple.so.*" "$PULSEAUDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   867 
   868             AC_DEFINE(SDL_AUDIO_DRIVER_PULSEAUDIO, 1, [ ])
   869             SOURCES="$SOURCES $srcdir/src/audio/pulseaudio/*.c"
   870             EXTRA_CFLAGS="$EXTRA_CFLAGS $PULSEAUDIO_CFLAGS"
   871             if test x$have_loadso != xyes && \
   872                test x$enable_pulseaudio_shared = xyes; then
   873                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic PulseAudio loading])
   874             fi
   875             if test x$have_loadso = xyes && \
   876                test x$enable_pulseaudio_shared = xyes && test x$pulseaudio_lib != x; then
   877                 echo "-- dynamic libpulse-simple -> $pulseaudio_lib"
   878                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC, "$pulseaudio_lib", [ ])
   879                 SUMMARY_audio="${SUMMARY_audio} pulse(dynamic)"
   880 
   881                 case "$host" in
   882                     # On Solaris, pulseaudio must be linked deferred explicitly
   883                     # to prevent undefined symbol failures.
   884                     *-*-solaris*)
   885                         PULSEAUDIO_LIBS=`echo $PULSEAUDIO_LIBS | sed 's/\-l/-Wl,-l/g'`
   886                         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-zdeferred $PULSEAUDIO_LIBS -Wl,-znodeferred"
   887                 esac
   888             else
   889                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $PULSEAUDIO_LIBS"
   890                 SUMMARY_audio="${SUMMARY_audio} pulse"
   891             fi
   892             have_audio=yes
   893         fi
   894     fi
   895 }
   896 
   897 CheckARTSC()
   898 {
   899     AC_ARG_ENABLE(arts,
   900 AC_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),
   901                   , enable_arts=yes)
   902     if test x$enable_audio = xyes -a x$enable_arts = xyes; then
   903         AC_PATH_PROG(ARTSCONFIG, artsc-config)
   904         if test x$ARTSCONFIG = x -o x$ARTSCONFIG = x'"$ARTSCONFIG"'; then
   905             : # arts isn't installed
   906         else
   907             ARTS_CFLAGS=`$ARTSCONFIG --cflags`
   908             ARTS_LIBS=`$ARTSCONFIG --libs`
   909             AC_MSG_CHECKING(for aRts development environment)
   910             audio_arts=no
   911             save_CFLAGS="$CFLAGS"
   912             CFLAGS="$CFLAGS $ARTS_CFLAGS"
   913             AC_TRY_COMPILE([
   914              #include <artsc.h>
   915             ],[
   916              arts_stream_t stream;
   917             ],[
   918             audio_arts=yes
   919             ])
   920             CFLAGS="$save_CFLAGS"
   921             AC_MSG_RESULT($audio_arts)
   922             if test x$audio_arts = xyes; then
   923                 AC_ARG_ENABLE(arts-shared,
   924 AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
   925                               , enable_arts_shared=yes)
   926                 arts_lib=[`find_lib "libartsc.so.*" "$ARTS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   927 
   928                 AC_DEFINE(SDL_AUDIO_DRIVER_ARTS, 1, [ ])
   929                 SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"
   930                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ARTS_CFLAGS"
   931                 if test x$have_loadso != xyes && \
   932                    test x$enable_arts_shared = xyes; then
   933                     AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading])
   934                 fi
   935                 if test x$have_loadso = xyes && \
   936                    test x$enable_arts_shared = xyes && test x$arts_lib != x; then
   937                     echo "-- dynamic libartsc -> $arts_lib"
   938                     AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib", [ ])
   939                     SUMMARY_audio="${SUMMARY_audio} arts(dynamic)"
   940                 else
   941                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARTS_LIBS"
   942                     SUMMARY_audio="${SUMMARY_audio} arts"
   943                 fi
   944                 have_audio=yes
   945             fi
   946         fi
   947     fi
   948 }
   949 
   950 dnl See if the NAS audio interface is supported
   951 CheckNAS()
   952 {
   953     AC_ARG_ENABLE(nas,
   954 AC_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),
   955                   , enable_nas=yes)
   956     if test x$enable_audio = xyes -a x$enable_nas = xyes; then
   957         AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes)
   958         AC_CHECK_LIB(audio, AuOpenServer, have_nas_lib=yes)
   959 
   960         AC_MSG_CHECKING(for NAS audio support)
   961         have_nas=no
   962 
   963         if test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then
   964             have_nas=yes
   965             NAS_LIBS="-laudio"
   966 
   967         elif test -r /usr/X11R6/include/audio/audiolib.h; then
   968             have_nas=yes
   969             NAS_CFLAGS="-I/usr/X11R6/include/"
   970             NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"
   971 
   972         fi
   973 
   974         AC_MSG_RESULT($have_nas)
   975 
   976         if test x$have_nas = xyes; then
   977             AC_ARG_ENABLE(nas-shared,
   978 AC_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [[default=yes]]]),
   979                           , enable_nas_shared=yes)
   980             nas_lib=[`find_lib "libaudio.so.*" "$NAS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   981 
   982             if test x$have_loadso != xyes && \
   983                test x$enable_nas_shared = xyes; then
   984                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic NAS loading])
   985             fi
   986             if test x$have_loadso = xyes && \
   987                test x$enable_nas_shared = xyes && test x$nas_lib != x; then
   988                 echo "-- dynamic libaudio -> $nas_lib"
   989                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_NAS_DYNAMIC, "$nas_lib", [ ])
   990                 SUMMARY_audio="${SUMMARY_audio} nas(dynamic)"
   991             else
   992                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS"
   993                 SUMMARY_audio="${SUMMARY_audio} nas"
   994             fi
   995 
   996             AC_DEFINE(SDL_AUDIO_DRIVER_NAS, 1, [ ])
   997             SOURCES="$SOURCES $srcdir/src/audio/nas/*.c"
   998             EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS"
   999             have_audio=yes
  1000         fi
  1001     fi
  1002 }
  1003 
  1004 dnl See if the sndio audio interface is supported
  1005 CheckSNDIO()
  1006 {
  1007     AC_ARG_ENABLE(sndio,
  1008 AC_HELP_STRING([--enable-sndio], [support the sndio audio API [[default=yes]]]),
  1009                   , enable_sndio=yes)
  1010     if test x$enable_audio = xyes -a x$enable_sndio = xyes; then
  1011         AC_CHECK_HEADER(sndio.h, have_sndio_hdr=yes)
  1012         AC_CHECK_LIB(sndio, sio_open, have_sndio_lib=yes)
  1013 
  1014         AC_MSG_CHECKING(for sndio audio support)
  1015         have_sndio=no
  1016 
  1017         if test x$have_sndio_hdr = xyes -a x$have_sndio_lib = xyes; then
  1018             have_sndio=yes
  1019             SNDIO_LIBS="-lsndio"
  1020         fi
  1021 
  1022         AC_MSG_RESULT($have_sndio)
  1023 
  1024         if test x$have_sndio = xyes; then
  1025             AC_ARG_ENABLE(sndio-shared,
  1026 AC_HELP_STRING([--enable-sndio-shared], [dynamically load sndio audio support [[default=yes]]]),
  1027                           , enable_sndio_shared=yes)
  1028             sndio_lib=[`find_lib "libsndio.so.*" "$SNDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1029 
  1030             if test x$have_loadso != xyes && \
  1031                test x$enable_sndio_shared = xyes; then
  1032                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic sndio loading])
  1033             fi
  1034             if test x$have_loadso = xyes && \
  1035                test x$enable_sndio_shared = xyes && test x$sndio_lib != x; then
  1036                 echo "-- dynamic libsndio -> $sndio_lib"
  1037                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_SNDIO_DYNAMIC, "$sndio_lib", [ ])
  1038                 SUMMARY_audio="${SUMMARY_audio} sndio(dynamic)"
  1039             else
  1040                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $SNDIO_LIBS"
  1041                 SUMMARY_audio="${SUMMARY_audio} sndio"
  1042             fi
  1043 
  1044             AC_DEFINE(SDL_AUDIO_DRIVER_SNDIO, 1, [ ])
  1045             SOURCES="$SOURCES $srcdir/src/audio/sndio/*.c"
  1046             EXTRA_CFLAGS="$EXTRA_CFLAGS $SNDIO_CFLAGS"
  1047             have_audio=yes
  1048         fi
  1049     fi
  1050 }
  1051 
  1052 dnl rcg07142001 See if the user wants the disk writer audio driver...
  1053 CheckDiskAudio()
  1054 {
  1055     AC_ARG_ENABLE(diskaudio,
  1056 AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
  1057                   , enable_diskaudio=yes)
  1058     if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then
  1059         AC_DEFINE(SDL_AUDIO_DRIVER_DISK, 1, [ ])
  1060         SOURCES="$SOURCES $srcdir/src/audio/disk/*.c"
  1061         SUMMARY_audio="${SUMMARY_audio} disk"
  1062     fi
  1063 }
  1064 
  1065 dnl rcg03142006 See if the user wants the dummy audio driver...
  1066 CheckDummyAudio()
  1067 {
  1068     AC_ARG_ENABLE(dummyaudio,
  1069 AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
  1070                   , enable_dummyaudio=yes)
  1071     if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then
  1072         AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY, 1, [ ])
  1073         SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c"
  1074         SUMMARY_audio="${SUMMARY_audio} dummy"
  1075     fi
  1076 }
  1077 
  1078 dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).
  1079 dnl  Details of this flag are here: http://gcc.gnu.org/wiki/Visibility
  1080 CheckVisibilityHidden()
  1081 {
  1082     AC_MSG_CHECKING(for GCC -fvisibility=hidden option)
  1083     have_gcc_fvisibility=no
  1084 
  1085     visibility_CFLAGS="-fvisibility=hidden"
  1086     save_CFLAGS="$CFLAGS"
  1087     CFLAGS="$save_CFLAGS $visibility_CFLAGS -Werror"
  1088     AC_TRY_COMPILE([
  1089     #if !defined(__GNUC__) || __GNUC__ < 4
  1090     #error SDL only uses visibility attributes in GCC 4 or newer
  1091     #endif
  1092     ],[
  1093     ],[
  1094     have_gcc_fvisibility=yes
  1095     ])
  1096     AC_MSG_RESULT($have_gcc_fvisibility)
  1097     CFLAGS="$save_CFLAGS"
  1098 
  1099     if test x$have_gcc_fvisibility = xyes; then
  1100         EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"
  1101     fi
  1102 }
  1103 
  1104 dnl See if GCC's -mpreferred-stack-boundary is supported.
  1105 dnl  Reference: http://bugzilla.libsdl.org/show_bug.cgi?id=1296
  1106 CheckStackBoundary()
  1107 {
  1108     AC_MSG_CHECKING(for GCC -mpreferred-stack-boundary option)
  1109     have_gcc_preferred_stack_boundary=no
  1110 
  1111     save_CFLAGS="$CFLAGS"
  1112     CFLAGS="$save_CFLAGS -mpreferred-stack-boundary=2"
  1113     AC_TRY_COMPILE([
  1114     int x = 0;
  1115     ],[
  1116     ],[
  1117     have_gcc_preferred_stack_boundary=yes
  1118     ])
  1119     AC_MSG_RESULT($have_gcc_preferred_stack_boundary)
  1120     CFLAGS="$save_CFLAGS"
  1121 
  1122     if test x$have_gcc_preferred_stack_boundary = xyes; then
  1123         EXTRA_CFLAGS="$EXTRA_CFLAGS -mpreferred-stack-boundary=2"
  1124     fi
  1125 }
  1126 
  1127 dnl See if GCC's -Wall is supported.
  1128 CheckWarnAll()
  1129 {
  1130     AC_MSG_CHECKING(for GCC -Wall option)
  1131     have_gcc_Wall=no
  1132 
  1133     save_CFLAGS="$CFLAGS"
  1134     CFLAGS="$save_CFLAGS -Wall"
  1135     AC_TRY_COMPILE([
  1136     int x = 0;
  1137     ],[
  1138     ],[
  1139     have_gcc_Wall=yes
  1140     ])
  1141     AC_MSG_RESULT($have_gcc_Wall)
  1142     CFLAGS="$save_CFLAGS"
  1143 
  1144     if test x$have_gcc_Wall = xyes; then
  1145         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
  1146 
  1147         dnl Haiku headers use multicharacter constants all over the place. Ignore these warnings when using -Wall.
  1148         AC_MSG_CHECKING(for necessary GCC -Wno-multichar option)
  1149         need_gcc_Wno_multichar=no
  1150         case "$host" in
  1151             *-*-haiku*)
  1152                 need_gcc_Wno_multichar=yes
  1153                 ;;
  1154         esac
  1155         AC_MSG_RESULT($need_gcc_Wno_multichar)
  1156         if test x$need_gcc_Wno_multichar = xyes; then
  1157             EXTRA_CFLAGS="$EXTRA_CFLAGS -Wno-multichar"
  1158         fi
  1159     fi
  1160 }
  1161 
  1162 dnl Check for Wayland
  1163 CheckWayland()
  1164 {
  1165     AC_ARG_ENABLE(video-wayland,
  1166 AC_HELP_STRING([--enable-video-wayland], [use Wayland video driver [[default=yes]]]),
  1167                   ,enable_video_wayland=yes)
  1168 
  1169     AC_ARG_ENABLE(video-wayland-qt-touch,
  1170 AC_HELP_STRING([--enable-video-wayland-qt-touch], [QtWayland server support for Wayland video driver [[default=yes]]]),
  1171                   ,enable_video_wayland_qt_touch=yes)
  1172 
  1173     if test x$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 dnl Check for Native Client stuff
  1321 CheckNativeClient()
  1322 {
  1323         AC_TRY_COMPILE([
  1324           #if !defined(__native_client__)
  1325           #error "NO NACL"
  1326           #endif
  1327         ],[
  1328         ],[
  1329         AC_DEFINE(SDL_VIDEO_DRIVER_NACL)
  1330         AC_DEFINE(SDL_AUDIO_DRIVER_NACL)
  1331         AC_DEFINE(HAVE_POW, 1, [ ])
  1332         AC_DEFINE(HAVE_OPENGLES2, 1, [ ])
  1333         AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  1334         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  1335 
  1336         SDL_LIBS="-lppapi_simple -lppapi_gles2 $SDL_LIBS"
  1337 
  1338         SDLMAIN_SOURCES="$srcdir/src/main/nacl/*.c"
  1339         SOURCES="$SOURCES $srcdir/src/audio/nacl/*.c"
  1340         SUMMARY_audio="${SUMMARY_audio} nacl"
  1341         SOURCES="$SOURCES $srcdir/src/video/nacl/*.c"
  1342         SUMMARY_video="${SUMMARY_video} nacl opengles2"
  1343         ])
  1344 }
  1345 
  1346 
  1347 dnl Find the X11 include and library directories
  1348 CheckX11()
  1349 {
  1350 
  1351 
  1352     AC_ARG_ENABLE(video-x11,
  1353 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
  1354                   , enable_video_x11=yes)
  1355     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
  1356         case "$host" in
  1357             *-*-darwin*)
  1358                 # This isn't necessary for X11, but fixes GLX detection
  1359                 if test "x$x_includes" = xNONE && \
  1360                    test "x$x_libraries" = xNONE && \
  1361                    test -d /usr/X11R6/include && \
  1362                    test -d /usr/X11R6/lib; then
  1363                     x_includes="/usr/X11R6/include"
  1364                     x_libraries="/usr/X11R6/lib"
  1365                 fi
  1366                 ;;
  1367         esac
  1368         AC_PATH_X
  1369         AC_PATH_XTRA
  1370         if test x$have_x = xyes; then
  1371             AC_ARG_ENABLE(x11-shared,
  1372 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
  1373                           , enable_x11_shared=maybe)
  1374 
  1375             case "$host" in
  1376                 *-*-darwin*)
  1377                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
  1378                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
  1379                     xcursor_lib='/usr/X11R6/lib/libXcursor.1.dylib'
  1380                     xinerama_lib='/usr/X11R6/lib/libXinerama.1.dylib'
  1381                     xinput_lib='/usr/X11R6/lib/libXi.6.dylib'
  1382                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
  1383                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
  1384                     xss_lib='/usr/X11R6/lib/libXss.1.dylib'
  1385                     xvidmode_lib='/usr/X11R6/lib/libXxf86vm.1.dylib'
  1386                     ;;
  1387                 *-*-openbsd*)
  1388                     x11_lib='libX11.so'
  1389                     x11ext_lib='libXext.so'
  1390                     xcursor_lib='libXcursor.so'
  1391                     xinerama_lib='libXinerama.so'
  1392                     xinput_lib='libXi.so'
  1393                     xrandr_lib='libXrandr.so'
  1394                     xrender_lib='libXrender.so'
  1395                     xss_lib='libXss.so'
  1396                     xvidmode_lib='libXxf86vm.so'
  1397                     ;;
  1398                 *)
  1399                     x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1400                     x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1401                     xcursor_lib=[`find_lib "libXcursor.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1402                     xinerama_lib=[`find_lib "libXinerama.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1403                     xinput_lib=[`find_lib "libXi.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1404                     xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1405                     xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1406                     xss_lib=[`find_lib "libXss.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1407                     xvidmode_lib=[`find_lib "libXxf86vm.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1408                     ;;
  1409             esac
  1410 
  1411             if test x$ac_cv_func_shmat != xyes; then
  1412                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
  1413             fi
  1414             CFLAGS="$CFLAGS $X_CFLAGS"
  1415             LDFLAGS="$LDFLAGS $X_LIBS"
  1416 
  1417             AC_CHECK_HEADER(X11/extensions/Xext.h,
  1418                             have_xext_h_hdr=yes,
  1419                             have_xext_h_hdr=no,
  1420                             [#include <X11/Xlib.h>
  1421                              #include <X11/Xproto.h>
  1422                             ])
  1423             if test x$have_xext_h_hdr != xyes; then
  1424                AC_MSG_ERROR([
  1425 *** Missing Xext.h, maybe you need to install the libxext-dev package?
  1426                ])
  1427             fi
  1428 
  1429             AC_DEFINE(SDL_VIDEO_DRIVER_X11, 1, [ ])
  1430             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
  1431             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
  1432 
  1433             # Needed so SDL applications can include SDL_syswm.h
  1434             SDL_CFLAGS="$SDL_CFLAGS $X_CFLAGS"
  1435 
  1436             if test x$enable_x11_shared = xmaybe; then
  1437                 enable_x11_shared=yes
  1438             fi
  1439             if test x$have_loadso != xyes && \
  1440                test x$enable_x11_shared = xyes; then
  1441                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
  1442                 enable_x11_shared=no
  1443             fi
  1444             if test x$have_loadso = xyes && \
  1445                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
  1446                 echo "-- dynamic libX11 -> $x11_lib"
  1447                 echo "-- dynamic libX11ext -> $x11ext_lib"
  1448                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib", [ ])
  1449                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib", [ ])
  1450                 SUMMARY_video="${SUMMARY_video} x11(dynamic)"
  1451             else
  1452                 enable_x11_shared=no
  1453                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
  1454                 SUMMARY_video="${SUMMARY_video} x11"
  1455             fi
  1456             have_video=yes
  1457 
  1458             AC_MSG_CHECKING(for const parameter to XextAddDisplay)
  1459             have_const_param_XextAddDisplay=no
  1460             AC_TRY_COMPILE([
  1461               #include <X11/Xlib.h>
  1462               #include <X11/Xproto.h>
  1463               #include <X11/extensions/Xext.h>
  1464               #include <X11/extensions/extutil.h>
  1465               extern XExtDisplayInfo* XextAddDisplay(XExtensionInfo* a,Display* b,_Xconst char* c,XExtensionHooks* d,int e,XPointer f);
  1466             ],[
  1467             ],[
  1468             have_const_param_XextAddDisplay=yes
  1469             AC_DEFINE(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY)
  1470             ])
  1471             AC_MSG_RESULT($have_const_param_XextAddDisplay)
  1472 
  1473             AC_MSG_CHECKING(for const parameter to _XData32)
  1474 	    have_const_param_xdata32=no
  1475 	    AC_TRY_COMPILE([
  1476 	      #include <X11/Xlibint.h>
  1477 	      extern int _XData32(Display *dpy,register _Xconst long *data,unsigned len);
  1478 	    ],[
  1479 	    ],[
  1480 	    have_const_param_xdata32=yes
  1481 	    AC_DEFINE(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XDATA32)
  1482 	    ])
  1483 	    AC_MSG_RESULT($have_const_param_xdata32)
  1484 
  1485             dnl AC_CHECK_LIB(X11, XGetEventData, AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS, 1, [Have XGenericEvent]))
  1486             AC_MSG_CHECKING([for XGenericEvent])
  1487             have_XGenericEvent=no
  1488             AC_TRY_COMPILE([
  1489               	#include <X11/Xlib.h>
  1490             ],[
  1491 Display *display;
  1492 XEvent event;
  1493 XGenericEventCookie *cookie = &event.xcookie;
  1494 XNextEvent(display, &event);
  1495 XGetEventData(display, cookie);
  1496 XFreeEventData(display, cookie);
  1497             ],[
  1498                 have_XGenericEvent=yes
  1499                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS)
  1500             ])
  1501             AC_MSG_RESULT($have_XGenericEvent)
  1502 
  1503             AC_CHECK_LIB(X11, XkbKeycodeToKeysym, AC_DEFINE(SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM, 1, [Have XkbKeycodeToKeysym]))
  1504 
  1505             AC_ARG_ENABLE(video-x11-xcursor,
  1506 AC_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [[default=yes]]]),
  1507                             , enable_video_x11_xcursor=yes)
  1508             if test x$enable_video_x11_xcursor = xyes; then
  1509                 definitely_enable_video_x11_xcursor=no
  1510                 AC_CHECK_HEADER(X11/Xcursor/Xcursor.h,
  1511                                 have_xcursor_h_hdr=yes,
  1512                                 have_xcursor_h_hdr=no,
  1513                                 [#include <X11/Xlib.h>
  1514                                 ])
  1515                 if test x$have_xcursor_h_hdr = xyes; then
  1516                     if test x$enable_x11_shared = xyes && test x$xcursor_lib != x ; then
  1517                         echo "-- dynamic libXcursor -> $xcursor_lib"
  1518                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR, "$xcursor_lib", [ ])
  1519                         definitely_enable_video_x11_xcursor=yes
  1520                     else
  1521                         AC_CHECK_LIB(Xcursor, XcursorImageCreate, have_xcursor_lib=yes)
  1522                         if test x$have_xcursor_lib = xyes ; then
  1523                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXcursor"
  1524                             definitely_enable_video_x11_xcursor=yes
  1525                         fi
  1526                     fi
  1527                 fi
  1528             fi
  1529             if test x$definitely_enable_video_x11_xcursor = xyes; then
  1530                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XCURSOR, 1, [ ])
  1531                 SUMMARY_video_x11="${SUMMARY_video_x11} xcursor"
  1532             fi
  1533             AC_ARG_ENABLE(video-x11-xinerama,
  1534 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
  1535                             , enable_video_x11_xinerama=yes)
  1536             if test x$enable_video_x11_xinerama = xyes; then
  1537                 definitely_enable_video_x11_xinerama=no
  1538                 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
  1539                                 have_xinerama_h_hdr=yes,
  1540                                 have_xinerama_h_hdr=no,
  1541                                 [#include <X11/Xlib.h>
  1542                                 ])
  1543                 if test x$have_xinerama_h_hdr = xyes; then
  1544                     if test x$enable_x11_shared = xyes && test x$xinerama_lib != x ; then
  1545                         echo "-- dynamic libXinerama -> $xinerama_lib"
  1546                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA, "$xinerama_lib", [ ])
  1547                         definitely_enable_video_x11_xinerama=yes
  1548                     else
  1549                         AC_CHECK_LIB(Xinerama, XineramaQueryExtension, have_xinerama_lib=yes)
  1550                         if test x$have_xinerama_lib = xyes ; then
  1551                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXinerama"
  1552                             definitely_enable_video_x11_xinerama=yes
  1553                         fi
  1554                     fi
  1555                 fi
  1556             fi
  1557             if test x$definitely_enable_video_x11_xinerama = xyes; then
  1558                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA, 1, [ ])
  1559                 SUMMARY_video_x11="${SUMMARY_video_x11} xinerama"
  1560             fi
  1561             AC_ARG_ENABLE(video-x11-xinput,
  1562 AC_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [[default=yes]]]),
  1563                             , enable_video_x11_xinput=yes)
  1564             if test x$enable_video_x11_xinput = xyes; then
  1565                 definitely_enable_video_x11_xinput=no
  1566                 AC_CHECK_HEADER(X11/extensions/XInput2.h,
  1567                                 have_xinput_h_hdr=yes,
  1568                                 have_xinput_h_hdr=no,
  1569                                 [#include <X11/Xlib.h>
  1570                                 ])
  1571                 if test x$have_xinput_h_hdr = xyes; then
  1572                     if test x$enable_x11_shared = xyes && test x$xinput_lib != x ; then
  1573                         echo "-- dynamic libXi -> $xinput_lib"
  1574                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2, "$xinput_lib", [ ])
  1575                         definitely_enable_video_x11_xinput=yes
  1576                     else
  1577                         AC_CHECK_LIB(Xi, XOpenDevice, have_xinput_lib=yes)
  1578                         if test x$have_xinput_lib = xyes ; then
  1579                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXi"
  1580                             definitely_enable_video_x11_xinput=yes
  1581                         fi
  1582                     fi
  1583                 fi
  1584             fi
  1585             if test x$definitely_enable_video_x11_xinput = xyes; then
  1586                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2"
  1587                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2, 1, [ ])
  1588                 AC_MSG_CHECKING(for xinput2 multitouch)
  1589             	have_xinput2_multitouch=no
  1590             	AC_TRY_COMPILE([
  1591               		#include <X11/Xlib.h>
  1592              		#include <X11/Xproto.h>
  1593 			#include <X11/extensions/XInput2.h>
  1594             	],[
  1595 int event_type = XI_TouchBegin;
  1596 XITouchClassInfo *t;
  1597             	],[
  1598             	have_xinput2_multitouch=yes
  1599             	AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH)
  1600                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2_multitouch"
  1601             	])
  1602             	AC_MSG_RESULT($have_xinput2_multitouch)
  1603             fi
  1604             AC_ARG_ENABLE(video-x11-xrandr,
  1605 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
  1606                             , enable_video_x11_xrandr=yes)
  1607             if test x$enable_video_x11_xrandr = xyes; then
  1608                 dnl XRRScreenResources is only present in Xrandr >= 1.2, we use that as a test.
  1609                 definitely_enable_video_x11_xrandr=no
  1610                 have_xrandr_h_hdr=no
  1611                 AC_TRY_COMPILE([
  1612                 #include <X11/Xlib.h>
  1613                 #include <X11/extensions/Xrandr.h>
  1614                 ],[
  1615                 XRRScreenResources *res = NULL;
  1616                 ],[
  1617                 have_xrandr_h_hdr=yes
  1618                 ])
  1619                 if test x$have_xrandr_h_hdr = xyes; then
  1620                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
  1621                         echo "-- dynamic libXrandr -> $xrandr_lib"
  1622                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib", [ ])
  1623                         definitely_enable_video_x11_xrandr=yes
  1624                     else
  1625                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
  1626                         if test x$have_xrandr_lib = xyes ; then
  1627                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr"
  1628                             definitely_enable_video_x11_xrandr=yes
  1629                         fi
  1630                     fi
  1631                 fi
  1632             fi
  1633             if test x$definitely_enable_video_x11_xrandr = xyes; then
  1634                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR, 1, [ ])
  1635                 SUMMARY_video_x11="${SUMMARY_video_x11} xrandr"
  1636             fi
  1637             AC_ARG_ENABLE(video-x11-scrnsaver,
  1638 AC_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [[default=yes]]]),
  1639                             , enable_video_x11_scrnsaver=yes)
  1640             if test x$enable_video_x11_scrnsaver = xyes; then
  1641                 AC_CHECK_HEADER(X11/extensions/scrnsaver.h,
  1642                                 have_scrnsaver_h_hdr=yes,
  1643                                 have_scrnsaver_h_hdr=no,
  1644                                 [#include <X11/Xlib.h>
  1645                                 ])
  1646                 if test x$have_scrnsaver_h_hdr = xyes; then
  1647                     if test x$enable_x11_shared = xyes && test x$xss_lib != x ; then
  1648                         echo "-- dynamic libXss -> $xss_lib"
  1649                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS, "$xss_lib", [ ])
  1650                         definitely_enable_video_x11_scrnsaver=yes
  1651                     else
  1652                         AC_CHECK_LIB(Xss, XScreenSaverSuspend, have_xss_lib=yes)
  1653                         if test x$have_xss_lib = xyes ; then
  1654                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXss"
  1655                             definitely_enable_video_x11_scrnsaver=yes
  1656                         fi
  1657                     fi
  1658                 fi
  1659             fi
  1660             if test x$definitely_enable_video_x11_scrnsaver = xyes; then
  1661                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSCRNSAVER, 1, [ ])
  1662                 SUMMARY_video_x11="${SUMMARY_video_x11} xscrnsaver"
  1663             fi
  1664             AC_ARG_ENABLE(video-x11-xshape,
  1665 AC_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [[default=yes]]]),
  1666                             , enable_video_x11_xshape=yes)
  1667             if test x$enable_video_x11_xshape = xyes; then
  1668                 AC_CHECK_HEADER(X11/extensions/shape.h,
  1669                                 have_shape_h_hdr=yes,
  1670                                 have_shape_h_hdr=no,
  1671                                 [#include <X11/Xlib.h>
  1672                                 ])
  1673                 if test x$have_shape_h_hdr = xyes; then
  1674                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSHAPE, 1, [ ])
  1675                     SUMMARY_video_x11="${SUMMARY_video_x11} xshape"
  1676                 fi
  1677             fi
  1678             AC_ARG_ENABLE(video-x11-vm,
  1679 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
  1680                             , enable_video_x11_vm=yes)
  1681             if test x$enable_video_x11_vm = xyes; then
  1682                 definitely_enable_video_x11_vm=no
  1683                 AC_CHECK_HEADER(X11/extensions/xf86vmode.h,
  1684                                 have_vm_h_hdr=yes,
  1685                                 have_vm_h_hdr=no,
  1686                                 [#include <X11/Xlib.h>
  1687                                 ])
  1688                 if test x$have_vm_h_hdr = xyes; then
  1689                     if test x$enable_x11_shared = xyes && test x$xvidmode_lib != x ; then
  1690                         echo "-- dynamic libXxf86vm -> $xvidmode_lib"
  1691                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE, "$xvidmode_lib", [ ])
  1692                         definitely_enable_video_x11_vm=yes
  1693                     else
  1694                         AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, have_vm_lib=yes)
  1695                         if test x$have_vm_lib = xyes ; then
  1696                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXxf86vm"
  1697                             definitely_enable_video_x11_vm=yes
  1698                         fi
  1699                     fi
  1700                 fi
  1701             fi
  1702             if test x$definitely_enable_video_x11_vm = xyes; then
  1703                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XVIDMODE, 1, [ ])
  1704                 SUMMARY_video_x11="${SUMMARY_video_x11} xvidmode"
  1705             fi
  1706         fi
  1707     fi
  1708 }
  1709 
  1710 dnl Set up the Haiku video driver if enabled
  1711 CheckHaikuVideo()
  1712 {
  1713     if test x$enable_video = xyes; then
  1714         AC_DEFINE(SDL_VIDEO_DRIVER_HAIKU, 1, [ ])
  1715         SOURCES="$SOURCES $srcdir/src/video/haiku/*.cc"
  1716         have_video=yes
  1717         SUMMARY_video="${SUMMARY_video} haiku"
  1718     fi
  1719 }
  1720 
  1721 dnl Set up the Cocoa video driver for Mac OS X (but not Darwin)
  1722 CheckCOCOA()
  1723 {
  1724     AC_ARG_ENABLE(video-cocoa,
  1725 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]]),
  1726                   , enable_video_cocoa=yes)
  1727     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  1728         save_CFLAGS="$CFLAGS"
  1729         dnl work around that we don't have Objective-C support in autoconf
  1730         CFLAGS="$CFLAGS -x objective-c"
  1731         AC_MSG_CHECKING(for Cocoa framework)
  1732         have_cocoa=no
  1733         AC_TRY_COMPILE([
  1734           #import <Cocoa/Cocoa.h>
  1735         ],[
  1736         ],[
  1737         have_cocoa=yes
  1738         ])
  1739         AC_MSG_RESULT($have_cocoa)
  1740         CFLAGS="$save_CFLAGS"
  1741         if test x$have_cocoa = xyes; then
  1742             AC_DEFINE(SDL_VIDEO_DRIVER_COCOA, 1, [ ])
  1743             SOURCES="$SOURCES $srcdir/src/video/cocoa/*.m"
  1744             SUMMARY_video="${SUMMARY_video} cocoa"
  1745             have_video=yes
  1746         fi
  1747     fi
  1748 }
  1749 
  1750 dnl Find DirectFB
  1751 CheckDirectFB()
  1752 {
  1753     AC_ARG_ENABLE(video-directfb,
  1754 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),
  1755                   , enable_video_directfb=no)
  1756     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
  1757         video_directfb=no
  1758 
  1759         DIRECTFB_REQUIRED_VERSION=1.0.0
  1760         AC_PATH_PROGS(DIRECTFBCONFIG, directfb-config, no, [$prefix/bin:$PATH])
  1761         if test x$DIRECTFBCONFIG = xno; then
  1762             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1763             if test x$PKG_CONFIG != xno; then
  1764                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
  1765                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
  1766                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
  1767                     DIRECTFB_PREFIX=`$PKG_CONFIG --variable=prefix directfb`
  1768                     video_directfb=yes
  1769                 fi
  1770             fi
  1771         else
  1772             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
  1773             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1774             set -- `$DIRECTFBCONFIG --version | sed 's/\./ /g'`
  1775             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1776             if test $HAVE_VERSION -ge $NEED_VERSION; then
  1777                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
  1778                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
  1779                 DIRECTFB_PREFIX=`$DIRECTFBCONFIG --prefix`
  1780                 video_directfb=yes
  1781             fi
  1782         fi
  1783         if test x$video_directfb = xyes; then
  1784             # SuSE 11.1 installs directfb-config without directfb-devel
  1785             save_CPPFLAGS="$CPPFLAGS"
  1786             CPPFLAGS="$CPPFLAGS $DIRECTFB_CFLAGS"
  1787             AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no)
  1788             CPPFLAGS="$save_CPPFLAGS"
  1789             video_directfb=$have_directfb_hdr
  1790         fi
  1791         AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
  1792         AC_MSG_RESULT($video_directfb)
  1793 
  1794         if test x$video_directfb = xyes; then
  1795             AC_ARG_ENABLE(directfb-shared,
  1796 AC_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [[default=yes]]]),
  1797                               , enable_directfb_shared=yes)
  1798 
  1799             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB, 1, [ ])
  1800             AC_DEFINE(SDL_VIDEO_RENDER_DIRECTFB, 1, [ ])
  1801             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
  1802             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
  1803 
  1804             AC_MSG_CHECKING(for directfb dynamic loading support)
  1805             directfb_shared=no
  1806             directfb_lib=[`find_lib "libdirectfb.so.*" "$DIRECTFB_LIBS"`]
  1807             # | sed 's/.*\/\(.*\)/\1/; q'`]
  1808 AC_MSG_WARN("directfb $directfb_lib")
  1809             if test x$have_loadso != xyes && \
  1810                test x$enable_directfb_shared = xyes; then
  1811                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic directfb loading])
  1812             fi
  1813             if test x$have_loadso = xyes && \
  1814                test x$enable_directfb_shared = xyes && test x$directfb_lib != x; then
  1815                 directfb_shared=yes
  1816                 echo "-- $directfb_lib_spec -> $directfb_lib"
  1817                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC, "$directfb_lib", [ ])
  1818                 SUMMARY_video="${SUMMARY_video} directfb(dynamic)"
  1819             else
  1820                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
  1821                 SUMMARY_video="${SUMMARY_video} directfb"
  1822             fi
  1823             AC_MSG_RESULT($directfb_shared)
  1824             SDL_CFLAGS="$SDL_CFLAGS $DIRECTFB_CFLAGS"
  1825             have_video=yes
  1826         fi
  1827     fi
  1828 }
  1829 
  1830 dnl Find FusionSound
  1831 CheckFusionSound()
  1832 {
  1833     AC_ARG_ENABLE(fusionsound,
  1834 AC_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [[default=no]]]),
  1835                   , enable_fusionsound=no)
  1836     if test x$enable_audio = xyes -a x$enable_fusionsound = xyes; then
  1837         fusionsound=no
  1838 
  1839         FUSIONSOUND_REQUIRED_VERSION=1.1.1
  1840 
  1841         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1842         AC_MSG_CHECKING(for FusionSound $FUSIONSOUND_REQUIRED_VERSION support)
  1843         if test x$PKG_CONFIG != xno; then
  1844             if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $FUSIONSOUND_REQUIRED_VERSION fusionsound; then
  1845                 FUSIONSOUND_CFLAGS=`$PKG_CONFIG --cflags fusionsound`
  1846                 FUSIONSOUND_LIBS=`$PKG_CONFIG --libs fusionsound`
  1847                 fusionsound=yes
  1848             fi
  1849         fi
  1850         AC_MSG_RESULT($fusionsound)
  1851 
  1852         if test x$fusionsound = xyes; then
  1853             AC_DEFINE(SDL_AUDIO_DRIVER_FUSIONSOUND, 1, [ ])
  1854             SOURCES="$SOURCES $srcdir/src/audio/fusionsound/*.c"
  1855             EXTRA_CFLAGS="$EXTRA_CFLAGS $FUSIONSOUND_CFLAGS"
  1856             
  1857             AC_ARG_ENABLE(fusionsound-shared,
  1858 AC_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [[default=yes]]]),
  1859                           , enable_fusionsound_shared=yes)
  1860             fusionsound_shared=no
  1861             AC_MSG_CHECKING(for FusionSound dynamic loading support)
  1862             if test x$have_loadso != xyes && \
  1863                test x$enable_fusionsound_shared = xyes; then
  1864                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic fusionsound loading])
  1865             fi
  1866             if test x$have_loadso = xyes && \
  1867                test x$enable_fusionsound_shared = xyes; then
  1868                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC, "libfusionsound.so", [ ])
  1869                 fusionsound_shared=yes
  1870                 SUMMARY_audio="${SUMMARY_audio} fusionsound(dynamic)"
  1871             else
  1872                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $FUSIONSOUND_LIBS"
  1873                 SUMMARY_audio="${SUMMARY_audio} fusionsound"
  1874             fi
  1875             AC_MSG_RESULT($fusionsound_shared)
  1876             
  1877             have_audio=yes
  1878         fi
  1879     fi
  1880 }
  1881 
  1882 dnl rcg04172001 Set up the Null video driver.
  1883 CheckDummyVideo()
  1884 {
  1885     AC_ARG_ENABLE(video-dummy,
  1886 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
  1887                   , enable_video_dummy=yes)
  1888     if test x$enable_video_dummy = xyes; then
  1889         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ])
  1890         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
  1891         have_video=yes
  1892         SUMMARY_video="${SUMMARY_video} dummy"
  1893     fi
  1894 }
  1895 
  1896 dnl Check to see if OpenGL support is desired
  1897 AC_ARG_ENABLE(video-opengl,
  1898 AC_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),
  1899               , enable_video_opengl=yes)
  1900 
  1901 dnl Find OpenGL
  1902 CheckOpenGLX11()
  1903 {
  1904     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1905         AC_MSG_CHECKING(for OpenGL (GLX) support)
  1906         video_opengl=no
  1907         AC_TRY_COMPILE([
  1908          #include <GL/gl.h>
  1909          #include <GL/glx.h>
  1910         ],[
  1911         ],[
  1912         video_opengl=yes
  1913         ])
  1914         AC_MSG_RESULT($video_opengl)
  1915         if test x$video_opengl = xyes; then
  1916             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1917             AC_DEFINE(SDL_VIDEO_OPENGL_GLX, 1, [ ])
  1918             AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  1919             SUMMARY_video="${SUMMARY_video} opengl"
  1920         fi
  1921     fi
  1922 }
  1923 
  1924 dnl Check to see if OpenGL ES support is desired
  1925 AC_ARG_ENABLE(video-opengles,
  1926 AC_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [[default=yes]]]),
  1927               , enable_video_opengles=yes)
  1928 
  1929 dnl Find OpenGL ES
  1930 CheckOpenGLESX11()
  1931 {
  1932     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  1933         AC_MSG_CHECKING(for EGL support)
  1934         video_opengl_egl=no
  1935         AC_TRY_COMPILE([
  1936          #include <EGL/egl.h>
  1937         ],[
  1938         ],[
  1939         video_opengl_egl=yes
  1940         ])
  1941         AC_MSG_RESULT($video_opengl_egl)
  1942         if test x$video_opengl_egl = xyes; then
  1943             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  1944         fi
  1945             
  1946         AC_MSG_CHECKING(for OpenGL ES v1 headers)
  1947         video_opengles_v1=no
  1948         AC_TRY_COMPILE([
  1949          #include <GLES/gl.h>
  1950          #include <GLES/glext.h>
  1951         ],[
  1952         ],[
  1953         video_opengles_v1=yes
  1954         ])
  1955         AC_MSG_RESULT($video_opengles_v1)
  1956         if test x$video_opengles_v1 = xyes; then
  1957             AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])
  1958             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])
  1959             SUMMARY_video="${SUMMARY_video} opengl_es1"
  1960         fi
  1961         
  1962         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  1963         video_opengles_v2=no
  1964         AC_TRY_COMPILE([
  1965          #include <GLES2/gl2.h>
  1966          #include <GLES2/gl2ext.h>
  1967         ],[
  1968         ],[
  1969         video_opengles_v2=yes
  1970         ])
  1971         AC_MSG_RESULT($video_opengles_v2)
  1972         if test x$video_opengles_v2 = xyes; then
  1973             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  1974             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  1975             SUMMARY_video="${SUMMARY_video} opengl_es2"
  1976         fi
  1977     fi
  1978 }
  1979 
  1980 dnl Check for Windows OpenGL
  1981 CheckWINDOWSGL()
  1982 {
  1983     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1984         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1985         AC_DEFINE(SDL_VIDEO_OPENGL_WGL, 1, [ ])
  1986         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  1987         SUMMARY_video="${SUMMARY_video} opengl"
  1988     fi
  1989 }
  1990 
  1991 dnl Check for Windows OpenGL
  1992 CheckWINDOWSGLES()
  1993 {
  1994     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  1995 
  1996         AC_MSG_CHECKING(for EGL support)
  1997         video_opengl_egl=no
  1998         AC_TRY_COMPILE([
  1999          #include <EGL/egl.h>
  2000         ],[
  2001         ],[
  2002         video_opengl_egl=yes
  2003         ])
  2004         AC_MSG_RESULT($video_opengl_egl)
  2005         if test x$video_opengl_egl = xyes; then
  2006             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2007             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2008             SUMMARY_video="${SUMMARY_video} opengl_es1"
  2009         fi
  2010        
  2011         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2012         video_opengles_v2=no
  2013         AC_TRY_COMPILE([
  2014          #include <GLES2/gl2.h>
  2015          #include <GLES2/gl2ext.h>
  2016         ],[
  2017         ],[
  2018         video_opengles_v2=yes
  2019         ])
  2020         AC_MSG_RESULT($video_opengles_v2)
  2021         if test x$video_opengles_v2 = xyes; then
  2022             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2023             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2024             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2025             SUMMARY_video="${SUMMARY_video} opengl_es2"
  2026         fi
  2027     fi
  2028 }
  2029 
  2030 dnl Check for Haiku OpenGL
  2031 CheckHaikuGL()
  2032 {
  2033     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2034         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2035         AC_DEFINE(SDL_VIDEO_OPENGL_HAIKU, 1, [ ])
  2036         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2037         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  2038         SUMMARY_video="${SUMMARY_video} opengl"
  2039     fi
  2040 }
  2041 
  2042 dnl Check for MacOS OpenGL
  2043 CheckMacGL()
  2044 {
  2045     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2046         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2047         AC_DEFINE(SDL_VIDEO_OPENGL_CGL, 1, [ ])
  2048         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2049         SUMMARY_video="${SUMMARY_video} opengl"
  2050     fi
  2051 }
  2052 
  2053 dnl See if we can use the new unified event interface in Linux 2.4
  2054 CheckInputEvents()
  2055 {
  2056     dnl Check for Linux 2.4 unified input event interface support
  2057         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
  2058         use_input_events=no
  2059         AC_TRY_COMPILE([
  2060           #include <linux/input.h>
  2061         ],[
  2062           #ifndef EVIOCGNAME
  2063           #error EVIOCGNAME() ioctl not available
  2064           #endif
  2065         ],[
  2066         use_input_events=yes
  2067         ])
  2068         AC_MSG_RESULT($use_input_events)
  2069         if test x$use_input_events = xyes; then
  2070             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])
  2071             SUMMARY_input="${SUMMARY_input} linuxev"
  2072         fi
  2073 }
  2074 
  2075 dnl See if we can use the kernel kd.h header
  2076 CheckInputKD()
  2077 {
  2078 
  2079     AC_MSG_CHECKING(for Linux kd.h)
  2080     use_input_kd=no
  2081     AC_TRY_COMPILE([
  2082       #include <linux/kd.h>
  2083       #include <linux/keyboard.h>
  2084     ],[
  2085         struct kbentry kbe;
  2086         kbe.kb_table = KG_CTRL;
  2087         ioctl(0, KDGKBENT, &kbe);
  2088     ],[
  2089     use_input_kd=yes
  2090     ])
  2091     AC_MSG_RESULT($use_input_kd)
  2092     if test x$use_input_kd = xyes; then
  2093         AC_DEFINE(SDL_INPUT_LINUXKD, 1, [ ])
  2094         SUMMARY_input="${SUMMARY_input} linuxkd"
  2095     fi
  2096 }
  2097 
  2098 dnl See if the platform offers libudev for device enumeration and hotplugging.
  2099 CheckLibUDev()
  2100 {
  2101     AC_ARG_ENABLE(libudev,
  2102 AC_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),
  2103                         , enable_libudev=yes)
  2104     if test x$enable_libudev = xyes; then
  2105         AC_CHECK_HEADER(libudev.h,
  2106                         have_libudev_h_hdr=yes,
  2107                         have_libudev_h_hdr=no)
  2108         if test x$have_libudev_h_hdr = xyes; then
  2109             AC_DEFINE(HAVE_LIBUDEV_H, 1, [ ])
  2110         fi
  2111     fi
  2112 }
  2113 
  2114 dnl See if the platform offers libdbus for various IPC techniques.
  2115 CheckDBus()
  2116 {
  2117     AC_ARG_ENABLE(dbus,
  2118 AC_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),
  2119                         , enable_dbus=yes)
  2120     if test x$enable_dbus = xyes; then
  2121         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2122         if test x$PKG_CONFIG != xno; then
  2123             DBUS_CFLAGS=`$PKG_CONFIG --cflags dbus-1`
  2124             save_CFLAGS="$CFLAGS"
  2125             CFLAGS="$save_CFLAGS $DBUS_CFLAGS"
  2126             AC_CHECK_HEADER(dbus/dbus.h,
  2127                             have_dbus_dbus_h_hdr=yes,
  2128                             have_dbus_dbus_h_hdr=no)
  2129             CFLAGS="$save_CFLAGS"
  2130             if test x$have_dbus_dbus_h_hdr = xyes; then
  2131                 AC_DEFINE(HAVE_DBUS_DBUS_H, 1, [ ])
  2132                 EXTRA_CFLAGS="$EXTRA_CFLAGS $DBUS_CFLAGS"
  2133             fi
  2134         fi
  2135     fi
  2136 }
  2137 
  2138 dnl See if we can use the Touchscreen input library
  2139 CheckTslib()
  2140 {
  2141     AC_ARG_ENABLE(input-tslib,
  2142 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
  2143                   , enable_input_tslib=yes)
  2144     if test x$enable_input_tslib = xyes; then
  2145         AC_MSG_CHECKING(for Touchscreen library support)
  2146         enable_input_tslib=no
  2147         AC_TRY_COMPILE([
  2148           #include "tslib.h"
  2149         ],[
  2150         ],[
  2151         enable_input_tslib=yes
  2152         ])
  2153         AC_MSG_RESULT($enable_input_tslib)
  2154         if test x$enable_input_tslib = xyes; then
  2155             AC_DEFINE(SDL_INPUT_TSLIB, 1, [ ])
  2156             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
  2157             SUMMARY_input="${SUMMARY_input} ts"
  2158         fi
  2159     fi
  2160 }
  2161 
  2162 dnl See what type of thread model to use on Linux and Solaris
  2163 CheckPTHREAD()
  2164 {
  2165     dnl Check for pthread support
  2166     AC_ARG_ENABLE(pthreads,
  2167 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
  2168                   , enable_pthreads=yes)
  2169     dnl This is used on Linux for glibc binary compatibility (Doh!)
  2170     AC_ARG_ENABLE(pthread-sem,
  2171 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
  2172                   , enable_pthread_sem=yes)
  2173     case "$host" in
  2174 	 *-*-androideabi*)
  2175             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2176             pthread_lib=""
  2177 	    ;;
  2178         *-*-linux*|*-*-uclinux*)
  2179             pthread_cflags="-D_REENTRANT"
  2180             pthread_lib="-lpthread"
  2181             ;;
  2182         *-*-bsdi*)
  2183             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2184             pthread_lib=""
  2185             ;;
  2186         *-*-darwin*)
  2187             pthread_cflags="-D_THREAD_SAFE"
  2188 # causes Carbon.p complaints?
  2189 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2190             ;;
  2191         *-*-freebsd*|*-*-dragonfly*)
  2192             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2193             pthread_lib="-pthread"
  2194             ;;
  2195         *-*-netbsd*)
  2196             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2197             pthread_lib="-lpthread"
  2198             ;;
  2199         *-*-openbsd*)
  2200             pthread_cflags="-D_REENTRANT"
  2201             pthread_lib="-pthread"
  2202             ;;
  2203         *-*-solaris2.9)
  2204             # From Solaris 9+, posix4's preferred name is rt.
  2205             pthread_cflags="-D_REENTRANT"
  2206             pthread_lib="-lpthread -lrt"
  2207             ;;
  2208         *-*-solaris2.10)
  2209             # Solaris 10+ merged pthread into libc.
  2210             pthread_cflags="-D_REENTRANT"
  2211             pthread_lib="-lrt"
  2212             ;;
  2213         *-*-solaris*)
  2214             # Solaris 11+ merged rt into libc.
  2215             pthread_cflags="-D_REENTRANT"
  2216             pthread_lib=""
  2217             ;;
  2218         *-*-sysv5*)
  2219             pthread_cflags="-D_REENTRANT -Kthread"
  2220             pthread_lib=""
  2221             ;;
  2222         *-*-aix*)
  2223             pthread_cflags="-D_REENTRANT -mthreads"
  2224             pthread_lib="-lpthread"
  2225             ;;
  2226         *-*-hpux11*)
  2227             pthread_cflags="-D_REENTRANT"
  2228             pthread_lib="-L/usr/lib -lpthread"
  2229             ;;
  2230         *-*-haiku*)
  2231             pthread_cflags="-D_REENTRANT"
  2232             pthread_lib=""
  2233             ;;
  2234         *)
  2235             pthread_cflags="-D_REENTRANT"
  2236             pthread_lib="-lpthread"
  2237             ;;
  2238     esac
  2239     if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then
  2240         # Save the original compiler flags and libraries
  2241         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2242         # Add the pthread compiler flags and libraries
  2243         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2244         # Check to see if we have pthread support on this system
  2245         AC_MSG_CHECKING(for pthreads)
  2246         use_pthreads=no
  2247         AC_TRY_LINK([
  2248          #include <pthread.h>
  2249         ],[
  2250          pthread_attr_t type;
  2251          pthread_attr_init(&type);
  2252         ],[
  2253         use_pthreads=yes
  2254         ])
  2255         AC_MSG_RESULT($use_pthreads)
  2256         # Restore the compiler flags and libraries
  2257         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2258 
  2259         # Do futher testing if we have pthread support...
  2260         if test x$use_pthreads = xyes; then
  2261             AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ])
  2262             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
  2263             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
  2264             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
  2265             SDL_LIBS="$SDL_LIBS $pthread_lib"
  2266 
  2267             # Save the original compiler flags and libraries
  2268             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2269             # Add the pthread compiler flags and libraries
  2270             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2271 
  2272             # Check to see if recursive mutexes are available
  2273             AC_MSG_CHECKING(for recursive mutexes)
  2274             has_recursive_mutexes=no
  2275             if test x$has_recursive_mutexes = xno; then
  2276                 AC_TRY_COMPILE([
  2277                   #include <pthread.h>
  2278                 ],[
  2279                   pthread_mutexattr_t attr;
  2280                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
  2281                 ],[
  2282                 has_recursive_mutexes=yes
  2283                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ])
  2284                 ])
  2285             fi
  2286             if test x$has_recursive_mutexes = xno; then
  2287                 AC_TRY_COMPILE([
  2288                   #include <pthread.h>
  2289                 ],[
  2290                   pthread_mutexattr_t attr;
  2291                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
  2292                 ],[
  2293                 has_recursive_mutexes=yes
  2294                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ])
  2295                 ])
  2296             fi
  2297             AC_MSG_RESULT($has_recursive_mutexes)
  2298 
  2299             # Check to see if pthread semaphore support is missing
  2300             if test x$enable_pthread_sem = xyes; then
  2301                 AC_MSG_CHECKING(for pthread semaphores)
  2302                 have_pthread_sem=no
  2303                 AC_TRY_COMPILE([
  2304                   #include <pthread.h>
  2305                   #include <semaphore.h>
  2306                 ],[
  2307                 ],[
  2308                 have_pthread_sem=yes
  2309                 ])
  2310                 AC_MSG_RESULT($have_pthread_sem)
  2311             fi
  2312             if test x$have_pthread_sem = xyes; then
  2313                 AC_MSG_CHECKING(for sem_timedwait)
  2314                 have_sem_timedwait=no
  2315                 AC_TRY_LINK([
  2316                   #include <pthread.h>
  2317                   #include <semaphore.h>
  2318                 ],[
  2319                   sem_timedwait(NULL, NULL);
  2320                 ],[
  2321                 have_sem_timedwait=yes
  2322                 AC_DEFINE(HAVE_SEM_TIMEDWAIT)
  2323                 ])
  2324                 AC_MSG_RESULT($have_sem_timedwait)
  2325             fi
  2326 
  2327             AC_MSG_CHECKING(for pthread_spin_trylock)
  2328             AC_TRY_LINK_FUNC(pthread_spin_trylock, [
  2329               has_pthread_spin_trylock=yes
  2330               AC_DEFINE(HAVE_PTHREAD_SPINLOCK, 1, [ ])
  2331             ],[
  2332               has_pthread_spin_trylock=no
  2333             ])
  2334             AC_MSG_RESULT($has_pthread_spin_trylock)
  2335 
  2336             AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes, have_pthread_np_h=no, [ #include <pthread.h> ])
  2337             if test x$have_pthread_np_h = xyes; then
  2338                 AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ])
  2339             fi
  2340 
  2341             # Check to see if pthread naming is available
  2342             AC_MSG_CHECKING(for pthread_setname_np)
  2343             AC_TRY_LINK_FUNC(pthread_setname_np, [
  2344               has_pthread_setname_np=yes
  2345               AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ])
  2346             ],[
  2347               has_pthread_setname_np=no
  2348             ])
  2349             AC_MSG_RESULT($has_pthread_setname_np)
  2350 
  2351             AC_MSG_CHECKING(for pthread_set_name_np)
  2352             AC_TRY_LINK_FUNC(pthread_set_name_np, [
  2353               has_pthread_set_name_np=yes
  2354               AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ])
  2355             ],[
  2356               has_pthread_set_name_np=no
  2357             ])
  2358             AC_MSG_RESULT($has_pthread_set_name_np)
  2359 
  2360             # Restore the compiler flags and libraries
  2361             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2362 
  2363             # Basic thread creation functions
  2364             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
  2365 
  2366             # Semaphores
  2367             # We can fake these with mutexes and condition variables if necessary
  2368             if test x$have_pthread_sem = xyes; then
  2369                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
  2370             else
  2371                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  2372             fi
  2373 
  2374             # Mutexes
  2375             # We can fake these with semaphores if necessary
  2376             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
  2377 
  2378             # Condition variables
  2379             # We can fake these with semaphores and mutexes if necessary
  2380             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
  2381 
  2382             # Thread local storage
  2383             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systls.c"
  2384 
  2385             have_threads=yes
  2386         fi
  2387     fi
  2388 }
  2389 
  2390 dnl Determine whether the compiler can produce Windows executables
  2391 CheckWINDOWS()
  2392 {
  2393     AC_MSG_CHECKING(Windows compiler)
  2394     have_win32_gcc=no
  2395     AC_TRY_COMPILE([
  2396      #include <windows.h>
  2397     ],[
  2398     ],[
  2399     have_win32_gcc=yes
  2400     ])
  2401     AC_MSG_RESULT($have_win32_gcc)
  2402     if test x$have_win32_gcc != xyes; then
  2403        AC_MSG_ERROR([
  2404 *** Your compiler ($CC) does not produce Windows executables!
  2405        ])
  2406     fi
  2407 
  2408     AC_MSG_CHECKING(Windows CE)
  2409     have_wince=no
  2410     AC_TRY_COMPILE([
  2411 #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__)
  2412 #error This is not Windows CE
  2413 #endif
  2414     ],[
  2415     ],[
  2416     have_wince=yes
  2417        AC_MSG_ERROR([
  2418 *** Sorry, Windows CE is no longer supported.
  2419        ])
  2420     ])
  2421     AC_MSG_RESULT($have_wince)
  2422 
  2423     # This fixes Windows stack alignment with newer GCC
  2424     CheckStackBoundary
  2425 }
  2426 
  2427 dnl Find the DirectX includes and libraries
  2428 CheckDIRECTX()
  2429 {
  2430     AC_ARG_ENABLE(directx,
  2431 AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
  2432                   , enable_directx=yes)
  2433     if test x$enable_directx = xyes; then
  2434         AC_CHECK_HEADER(d3d9.h, have_d3d=yes)
  2435         AC_CHECK_HEADER(d3d11_1.h, have_d3d11=yes)
  2436         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
  2437         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
  2438         AC_CHECK_HEADER(dinput.h, have_dinput=yes)
  2439         AC_CHECK_HEADER(xaudio2.h, have_xaudio2=yes)
  2440         AC_CHECK_HEADER(dxgi.h, have_dxgi=yes)
  2441 
  2442         SUMMARY_video="${SUMMARY_video} directx"
  2443         SUMMARY_audio="${SUMMARY_audio} directx"
  2444 
  2445         # FIXME: latest Cygwin finds dinput headers, but we die on other win32 headers.
  2446         # FIXME:  ...so force it off for now.
  2447         case "$host" in
  2448             *-*-cygwin*)
  2449             have_dinput=false
  2450             ;;
  2451         esac
  2452     fi
  2453 }
  2454 
  2455 dnl Check for the dlfcn.h interface for dynamically loading objects
  2456 CheckDLOPEN()
  2457 {
  2458     AC_ARG_ENABLE(sdl-dlopen,
  2459 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
  2460                   , enable_sdl_dlopen=yes)
  2461     if test x$enable_sdl_dlopen = xyes; then
  2462         AC_MSG_CHECKING(for dlopen)
  2463         have_dlopen=no
  2464         AC_TRY_COMPILE([
  2465          #include <dlfcn.h>
  2466         ],[
  2467          void *handle = dlopen("", RTLD_NOW);
  2468          const char *loaderror = (char *) dlerror();
  2469         ],[
  2470         have_dlopen=yes
  2471         ])
  2472         AC_MSG_RESULT($have_dlopen)
  2473 
  2474         if test x$have_dlopen = xyes; then
  2475             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
  2476                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
  2477                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
  2478             AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ])
  2479             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
  2480             have_loadso=yes
  2481         fi
  2482     fi
  2483 }
  2484 
  2485 dnl Check for the usbhid(3) library on *BSD
  2486 CheckUSBHID()
  2487 {
  2488     case "$host" in
  2489         *-*-*bsd*)
  2490             if test x$enable_joystick = xyes; then
  2491                 AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
  2492                 if test x$have_libusbhid = xyes; then
  2493                     AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
  2494                     AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
  2495                     USB_LIBS="$USB_LIBS -lusbhid"
  2496                 else
  2497                     AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
  2498                     AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
  2499                     AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
  2500                 fi
  2501                     
  2502                 save_CFLAGS="$CFLAGS"
  2503                 CFLAGS="$CFLAGS $USB_CFLAGS"
  2504 
  2505                 AC_MSG_CHECKING(for usbhid)
  2506                 have_usbhid=no
  2507                 AC_TRY_COMPILE([
  2508                   #include <sys/types.h>
  2509                   #if defined(HAVE_USB_H)
  2510                   #include <usb.h>
  2511                   #endif
  2512                   #ifdef __DragonFly__
  2513                   # include <bus/usb/usb.h>
  2514                   # include <bus/usb/usbhid.h>
  2515                   #else
  2516                   # include <dev/usb/usb.h>
  2517                   # include <dev/usb/usbhid.h>
  2518                   #endif
  2519                   #if defined(HAVE_USBHID_H)
  2520                   #include <usbhid.h>
  2521                   #elif defined(HAVE_LIBUSB_H)
  2522                   #include <libusb.h>
  2523                   #elif defined(HAVE_LIBUSBHID_H)
  2524                   #include <libusbhid.h>
  2525                   #endif
  2526                 ],[
  2527                   struct report_desc *repdesc;
  2528                   struct usb_ctl_report *repbuf;
  2529                   hid_kind_t hidkind;
  2530                 ],[
  2531                 have_usbhid=yes
  2532                 ])
  2533                 AC_MSG_RESULT($have_usbhid)
  2534 
  2535                 if test x$have_usbhid = xyes; then
  2536                     AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
  2537                     have_usbhid_ucr_data=no
  2538                     AC_TRY_COMPILE([
  2539                       #include <sys/types.h>
  2540                       #if defined(HAVE_USB_H)
  2541                       #include <usb.h>
  2542                       #endif
  2543                       #ifdef __DragonFly__
  2544                       # include <bus/usb/usb.h>
  2545                       # include <bus/usb/usbhid.h>
  2546                       #else
  2547                       # include <dev/usb/usb.h>
  2548                       # include <dev/usb/usbhid.h>
  2549                       #endif
  2550                       #if defined(HAVE_USBHID_H)
  2551                       #include <usbhid.h>
  2552                       #elif defined(HAVE_LIBUSB_H)
  2553                       #include <libusb.h>
  2554                       #elif defined(HAVE_LIBUSBHID_H)
  2555                       #include <libusbhid.h>
  2556                       #endif
  2557                     ],[
  2558                       struct usb_ctl_report buf;
  2559                       if (buf.ucr_data) { }
  2560                     ],[
  2561                     have_usbhid_ucr_data=yes
  2562                     ])
  2563                     if test x$have_usbhid_ucr_data = xyes; then
  2564                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
  2565                     fi
  2566                     AC_MSG_RESULT($have_usbhid_ucr_data)
  2567                     
  2568                     AC_MSG_CHECKING(for new usbhid API)
  2569                     have_usbhid_new=no
  2570                     AC_TRY_COMPILE([
  2571                       #include <sys/types.h>
  2572                       #if defined(HAVE_USB_H)
  2573                       #include <usb.h>
  2574                       #endif
  2575                       #ifdef __DragonFly__
  2576                       #include <bus/usb/usb.h>
  2577                       #include <bus/usb/usbhid.h>
  2578                       #else
  2579                       #include <dev/usb/usb.h>
  2580                       #include <dev/usb/usbhid.h>
  2581                       #endif
  2582                       #if defined(HAVE_USBHID_H)
  2583                       #include <usbhid.h>
  2584                       #elif defined(HAVE_LIBUSB_H)
  2585                       #include <libusb.h>
  2586                       #elif defined(HAVE_LIBUSBHID_H)
  2587                       #include <libusbhid.h>
  2588                       #endif
  2589                     ],[
  2590                       report_desc_t d;
  2591                       hid_start_parse(d, 1, 1);
  2592                     ],[
  2593                     have_usbhid_new=yes
  2594                     ])
  2595                     if test x$have_usbhid_new = xyes; then
  2596                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
  2597                     fi
  2598                     AC_MSG_RESULT($have_usbhid_new)
  2599 
  2600                     AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
  2601                     have_machine_joystick=no
  2602                     AC_TRY_COMPILE([
  2603                       #include <machine/joystick.h>
  2604                     ],[
  2605                       struct joystick t;
  2606                     ],[
  2607                     have_machine_joystick=yes
  2608                     ])
  2609                     if test x$have_machine_joystick = xyes; then
  2610                         AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H, 1, [ ])
  2611                     fi
  2612                     AC_MSG_RESULT($have_machine_joystick)
  2613 
  2614                     AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ])
  2615                     SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
  2616                     EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
  2617                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
  2618                     have_joystick=yes
  2619                 fi
  2620                 CFLAGS="$save_CFLAGS"
  2621             fi
  2622         ;;
  2623     esac
  2624 }
  2625 
  2626 dnl Check for clock_gettime()
  2627 CheckClockGettime()
  2628 {
  2629     AC_ARG_ENABLE(clock_gettime,
  2630 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),
  2631                   , enable_clock_gettime=yes)
  2632     if test x$enable_clock_gettime = xyes; then
  2633         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
  2634         if test x$have_clock_gettime = xyes; then
  2635             AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2636             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
  2637         else
  2638             AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes)
  2639             if test x$have_clock_gettime = xyes; then
  2640                AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2641                EXTRA_LDFLAGS="$EXTRA_LDFLAGS"
  2642             fi
  2643         fi
  2644     fi
  2645 }
  2646 
  2647 dnl Check for a valid linux/version.h
  2648 CheckLinuxVersion()
  2649 {
  2650     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
  2651     if test x$have_linux_version_h = xyes; then
  2652         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
  2653     fi
  2654 }
  2655 
  2656 dnl Check if we want to use RPATH
  2657 CheckRPATH()
  2658 {
  2659     AC_ARG_ENABLE(rpath,
  2660 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
  2661                   , enable_rpath=yes)
  2662 }
  2663 
  2664 dnl Set up the configuration based on the host platform!
  2665 case "$host" in
  2666     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*)
  2667         case "$host" in
  2668             *-raspberry-linux*)
  2669                 # Raspberry Pi
  2670                 ARCH=linux
  2671                 RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
  2672                 CFLAGS="$CFLAGS $RPI_CFLAGS"
  2673                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
  2674                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
  2675                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L/opt/vc/lib -lbcm_host -ldl"
  2676 
  2677                 if test x$enable_video = xyes; then
  2678                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
  2679                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
  2680                 fi
  2681                 ;;
  2682             *-*-androideabi*)
  2683                 # Android
  2684                 ARCH=android
  2685                 ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"
  2686                 CFLAGS="$CFLAGS $ANDROID_CFLAGS"
  2687                 SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS"
  2688                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS"
  2689                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid"
  2690 
  2691                 if test x$enable_video = xyes; then
  2692                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
  2693                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
  2694                     SUMMARY_video="${SUMMARY_video} android"
  2695                 fi
  2696                 ;;
  2697             *-*-linux*)         ARCH=linux ;;
  2698             *-*-uclinux*)       ARCH=linux ;;
  2699             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
  2700             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
  2701             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
  2702             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
  2703             *-*-bsdi*)          ARCH=bsdi ;;
  2704             *-*-freebsd*)       ARCH=freebsd ;;
  2705             *-*-dragonfly*)     ARCH=freebsd ;;
  2706             *-*-netbsd*)        ARCH=netbsd ;;
  2707             *-*-openbsd*)       ARCH=openbsd ;;
  2708             *-*-sysv5*)         ARCH=sysv5 ;;
  2709             *-*-solaris*)       ARCH=solaris ;;
  2710             *-*-hpux*)          ARCH=hpux ;;
  2711             *-*-aix*)           ARCH=aix ;;
  2712             *-*-minix*)         ARCH=minix ;;
  2713         esac
  2714         CheckVisibilityHidden
  2715         CheckDummyVideo
  2716         CheckDiskAudio
  2717         CheckDummyAudio
  2718         CheckDLOPEN
  2719         CheckOSS
  2720         CheckALSA
  2721         CheckPulseAudio
  2722         CheckARTSC
  2723         CheckESD
  2724         CheckNAS
  2725         CheckSNDIO
  2726         CheckX11
  2727         CheckDirectFB
  2728         CheckFusionSound
  2729         CheckOpenGLX11
  2730         CheckOpenGLESX11
  2731         CheckMir
  2732         CheckWayland
  2733         CheckLibUDev
  2734         CheckDBus
  2735         CheckInputEvents
  2736         CheckInputKD
  2737         CheckTslib
  2738         CheckUSBHID
  2739         CheckPTHREAD
  2740         CheckClockGettime
  2741         CheckLinuxVersion
  2742         CheckRPATH
  2743         # Set up files for the audio library
  2744         if test x$enable_audio = xyes; then
  2745           case $ARCH in
  2746             sysv5|solaris|hpux)
  2747                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ])
  2748                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  2749                 have_audio=yes
  2750             ;;
  2751             netbsd)  # Don't use this on OpenBSD, it's busted.
  2752                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD, 1, [ ])
  2753                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
  2754                 have_audio=yes
  2755             ;;
  2756             aix)
  2757                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ])
  2758                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
  2759                 have_audio=yes
  2760             ;;
  2761             android)
  2762                 AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ])
  2763                 SOURCES="$SOURCES $srcdir/src/audio/android/*.c"
  2764                 SUMMARY_audio="${SUMMARY_audio} android"
  2765                 have_audio=yes
  2766             ;;
  2767           esac
  2768         fi
  2769         # Set up files for the joystick library
  2770         if test x$enable_joystick = xyes; then
  2771           case $ARCH in
  2772             linux)
  2773                 AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ])
  2774                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
  2775                 have_joystick=yes
  2776             ;;
  2777             android)
  2778                 AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ])
  2779                 SOURCES="$SOURCES $srcdir/src/joystick/android/*.c"
  2780                 have_joystick=yes
  2781             ;;
  2782           esac
  2783         fi
  2784         # Set up files for the haptic library
  2785         if test x$enable_haptic = xyes; then
  2786            if test x$use_input_events = xyes; then
  2787              case $ARCH in
  2788                linux)
  2789                    AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ])
  2790                    SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"
  2791                    have_haptic=yes
  2792                ;;
  2793              esac
  2794            fi
  2795         fi
  2796         # Set up files for the power library
  2797         if test x$enable_power = xyes; then
  2798              case $ARCH in
  2799                linux)
  2800                    AC_DEFINE(SDL_POWER_LINUX, 1, [ ])
  2801                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"
  2802                    have_power=yes
  2803                ;;
  2804                android)
  2805                    AC_DEFINE(SDL_POWER_ANDROID, 1, [ ])
  2806                    SOURCES="$SOURCES $srcdir/src/power/android/*.c"
  2807                    have_power=yes
  2808                ;;
  2809              esac
  2810         fi
  2811         # Set up files for the filesystem library
  2812         if test x$enable_filesystem = xyes; then
  2813             AC_DEFINE(SDL_FILESYSTEM_UNIX, 1, [ ])
  2814             SOURCES="$SOURCES $srcdir/src/filesystem/unix/*.c"
  2815             have_filesystem=yes
  2816         fi
  2817         # Set up files for the timer library
  2818         if test x$enable_timers = xyes; then
  2819             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  2820             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2821             have_timers=yes
  2822         fi
  2823         # Set up files for udev hotplugging support
  2824         if test x$enable_libudev = xyes && test x$have_libudev_h_hdr = xyes; then
  2825             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_udev.c"               
  2826         fi
  2827         # Set up files for evdev input
  2828         if test x$use_input_events = xyes; then
  2829             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev.c"
  2830         fi       
  2831         ;;
  2832     *-*-cygwin* | *-*-mingw32*)
  2833         ARCH=win32
  2834         if test "$build" != "$host"; then # cross-compiling
  2835             # Default cross-compile location
  2836             ac_default_prefix=/usr/local/cross-tools/$host
  2837         else
  2838             # Look for the location of the tools and install there
  2839             if test "$BUILD_PREFIX" != ""; then
  2840                 ac_default_prefix=$BUILD_PREFIX
  2841             fi
  2842         fi
  2843         CheckDummyVideo
  2844         CheckDiskAudio
  2845         CheckDummyAudio
  2846         CheckWINDOWS
  2847         CheckWINDOWSGL
  2848         CheckWINDOWSGLES
  2849         CheckDIRECTX
  2850 
  2851         # Set up the core platform files
  2852         SOURCES="$SOURCES $srcdir/src/core/windows/*.c"
  2853 
  2854         # Set up files for the video library
  2855         if test x$enable_video = xyes; then
  2856             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])
  2857             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
  2858             have_video=yes
  2859             AC_ARG_ENABLE(render-d3d,
  2860 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
  2861                                 , enable_render_d3d=yes)
  2862             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
  2863                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])
  2864             fi
  2865             if test x$enable_render_d3d = xyes -a x$have_d3d11 = xyes; then
  2866                 AC_DEFINE(SDL_VIDEO_RENDER_D3D11, 1, [ ])
  2867             fi
  2868         fi
  2869         if test x$have_dxgi = xyes; then
  2870             AC_DEFINE(HAVE_DXGI_H, 1, [ ])
  2871         fi
  2872         # Set up files for the audio library
  2873         if test x$enable_audio = xyes; then
  2874             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])
  2875             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"
  2876             if test x$have_dsound = xyes; then
  2877                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])
  2878                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"
  2879             fi
  2880             if test x$have_xaudio2 = xyes; then
  2881                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
  2882                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
  2883             fi
  2884             have_audio=yes
  2885         fi
  2886         # Set up files for the joystick library
  2887         if test x$enable_joystick = xyes; then
  2888             if test x$have_dinput = xyes; then
  2889                 AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ])
  2890                 SOURCES="$SOURCES $srcdir/src/joystick/windows/SDL_dxjoystick.c"
  2891                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8"
  2892             else
  2893                 AC_DEFINE(SDL_JOYSTICK_WINMM, 1, [ ])
  2894                 SOURCES="$SOURCES $srcdir/src/joystick/windows/SDL_mmjoystick.c"
  2895             fi
  2896             have_joystick=yes
  2897         fi
  2898         if test x$enable_haptic = xyes; then
  2899             if test x$have_dinput = xyes; then
  2900                 AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ])
  2901                 SOURCES="$SOURCES $srcdir/src/haptic/windows/SDL_syshaptic.c"
  2902                 have_haptic=yes
  2903             fi
  2904         fi
  2905         if test x$enable_power = xyes; then
  2906             AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ])
  2907             SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c"
  2908             have_power=yes
  2909         fi
  2910         if test x$enable_filesystem = xyes; then
  2911             AC_DEFINE(SDL_FILESYSTEM_WINDOWS, 1, [ ])
  2912             SOURCES="$SOURCES $srcdir/src/filesystem/windows/SDL_sysfilesystem.c"
  2913             have_filesystem=yes
  2914         fi
  2915         # Set up files for the thread library
  2916         if test x$enable_threads = xyes; then
  2917             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])
  2918             SOURCES="$SOURCES $srcdir/src/thread/windows/*.c"
  2919             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2920             have_threads=yes
  2921         fi
  2922         # Set up files for the timer library
  2923         if test x$enable_timers = xyes; then
  2924             AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ])
  2925             SOURCES="$SOURCES $srcdir/src/timer/windows/*.c"
  2926             have_timers=yes
  2927         fi
  2928         # Set up files for the shared object loading library
  2929         if test x$enable_loadso = xyes; then
  2930             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])
  2931             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"
  2932             have_loadso=yes
  2933         fi
  2934         # Set up the system libraries we need
  2935         if test -f /lib/w32api/libuuid.a; then
  2936             LIBUUID=/lib/w32api/libuuid.a
  2937         else
  2938             LIBUUID=-luuid
  2939         fi
  2940         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion $LIBUUID -XCClinker -static-libgcc"
  2941         # The Windows platform requires special setup
  2942         VERSION_SOURCES="$srcdir/src/main/windows/*.rc"
  2943         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
  2944         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
  2945         SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows"
  2946 
  2947         # Check to see if this is a mingw or cygwin build
  2948         have_mingw32=
  2949         AC_CHECK_LIB(mingw32, main, [have_mingw32=yes])
  2950         if test x$have_mingw32 = xyes; then
  2951             SDL_LIBS="-lmingw32 $SDL_LIBS"
  2952         else
  2953             SDL_LIBS="-lcygwin $SDL_LIBS"
  2954         fi
  2955         ;;
  2956 
  2957     dnl BeOS support removed after SDL 2.0.1. Haiku still works.  --ryan.
  2958     *-*-beos*)
  2959         AC_MSG_ERROR([
  2960 *** BeOS support has been removed as of SDL 2.0.2.
  2961         ])
  2962         ;;
  2963 
  2964     *-*-haiku*)
  2965         ARCH=haiku
  2966         ac_default_prefix=/boot/system
  2967         CheckDummyVideo
  2968         CheckDiskAudio
  2969         CheckDummyAudio
  2970         CheckHaikuVideo
  2971         CheckHaikuGL
  2972         CheckPTHREAD
  2973 
  2974         # Set up files for the audio library
  2975         if test x$enable_audio = xyes; then
  2976             AC_DEFINE(SDL_AUDIO_DRIVER_HAIKU, 1, [ ])
  2977             SOURCES="$SOURCES $srcdir/src/audio/haiku/*.cc"
  2978             have_audio=yes
  2979         fi
  2980         # Set up files for the joystick library
  2981         if test x$enable_joystick = xyes; then
  2982             AC_DEFINE(SDL_JOYSTICK_HAIKU, 1, [ ])
  2983             SOURCES="$SOURCES $srcdir/src/joystick/haiku/*.cc"
  2984             have_joystick=yes
  2985         fi
  2986         # Set up files for the timer library
  2987         if test x$enable_timers = xyes; then
  2988             AC_DEFINE(SDL_TIMER_HAIKU, 1, [ ])
  2989             SOURCES="$SOURCES $srcdir/src/timer/haiku/*.c"
  2990             have_timers=yes
  2991         fi
  2992         # Set up files for the shared object loading library
  2993         if test x$enable_loadso = xyes; then
  2994             AC_DEFINE(SDL_LOADSO_HAIKU, 1, [ ])
  2995             SOURCES="$SOURCES $srcdir/src/loadso/haiku/*.c"
  2996             have_loadso=yes
  2997         fi
  2998         # Set up files for the system power library
  2999         if test x$enable_power = xyes; then
  3000             AC_DEFINE(SDL_POWER_HAIKU, 1, [ ])
  3001             SOURCES="$SOURCES $srcdir/src/power/haiku/*.c"
  3002             have_power=yes
  3003         fi
  3004         # Set up files for the system filesystem library
  3005         if test x$enable_filesystem = xyes; then
  3006             AC_DEFINE(SDL_FILESYSTEM_HAIKU, 1, [ ])
  3007             SOURCES="$SOURCES $srcdir/src/filesystem/haiku/*.cc"
  3008             have_filesystem=yes
  3009         fi
  3010         # The Haiku platform requires special setup.
  3011         SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES"
  3012         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
  3013         ;;
  3014     arm*-apple-darwin*)
  3015         # iOS - We are not writing anything to confdefs.h because you have to replace
  3016         # SDL_config.h for SDL_config_iphoneos.h anyway
  3017         ARCH=ios
  3018 
  3019         CheckVisibilityHidden
  3020         CheckDummyVideo
  3021         CheckDiskAudio
  3022         CheckDummyAudio
  3023         CheckDLOPEN
  3024         CheckCOCOA
  3025         CheckPTHREAD
  3026 
  3027 
  3028         # Set up files for the audio library
  3029         if test x$enable_audio = xyes; then
  3030             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  3031             have_audio=yes
  3032         fi
  3033         # Set up files for the joystick library
  3034         if test x$enable_joystick = xyes; then
  3035             SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m"
  3036             have_joystick=yes
  3037         fi
  3038         # Set up files for the haptic library
  3039         #if test x$enable_haptic = xyes; then
  3040         #    SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3041         #    have_haptic=yes
  3042         #    EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3043         #fi
  3044         # Set up files for the power library
  3045         if test x$enable_power = xyes; then
  3046             SOURCES="$SOURCES $srcdir/src/power/uikit/*.m"
  3047             have_power=yes
  3048         fi
  3049         # Set up files for the filesystem library
  3050         if test x$enable_filesystem = xyes; then
  3051             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3052             have_filesystem=yes
  3053         fi
  3054         # Set up files for the timer library
  3055         if test x$enable_timers = xyes; then
  3056             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3057             have_timers=yes
  3058         fi
  3059         # Set up additional files for the file library
  3060         if test x$enable_file = xyes; then
  3061             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3062         fi
  3063         # The iOS platform requires special setup.
  3064         SOURCES="$SOURCES $srcdir/src/video/uikit/*.m"
  3065         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3066         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -liconv -lobjc"
  3067         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Foundation"
  3068         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"
  3069         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGLES"
  3070         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"
  3071         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio"
  3072         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox"
  3073         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreGraphics"
  3074         ;;
  3075     *-*-darwin* )
  3076         # This could be either full "Mac OS X", or plain "Darwin" which is
  3077         # just the OS X kernel sans upper layers like Carbon and Cocoa.
  3078         # Next line is broken, and a few files below require Mac OS X (full)
  3079         ARCH=macosx
  3080 
  3081         # Mac OS X builds with both the Carbon and OSX APIs at the moment
  3082         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
  3083         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
  3084 
  3085         CheckVisibilityHidden
  3086         CheckDummyVideo
  3087         CheckDiskAudio
  3088         CheckDummyAudio
  3089         CheckDLOPEN
  3090         CheckCOCOA
  3091         CheckX11
  3092         CheckMacGL
  3093         CheckOpenGLX11
  3094         CheckPTHREAD
  3095 
  3096         # Set up files for the audio library
  3097         if test x$enable_audio = xyes; then
  3098             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
  3099             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  3100             have_audio=yes
  3101         fi
  3102         # Set up files for the joystick library
  3103         if test x$enable_joystick = xyes; then
  3104             AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ])
  3105             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
  3106             have_joystick=yes
  3107         fi
  3108         # Set up files for the haptic library
  3109         if test x$enable_haptic = xyes; then
  3110             AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ])
  3111             SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3112             have_haptic=yes
  3113             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3114         fi
  3115         # Set up files for the power library
  3116         if test x$enable_power = xyes; then
  3117             AC_DEFINE(SDL_POWER_MACOSX, 1, [ ])
  3118             SOURCES="$SOURCES $srcdir/src/power/macosx/*.c"
  3119             have_power=yes
  3120         fi
  3121         # Set up files for the filesystem library
  3122         if test x$enable_filesystem = xyes; then
  3123             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])
  3124             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3125             have_filesystem=yes
  3126         fi
  3127         # Set up files for the timer library
  3128         if test x$enable_timers = xyes; then
  3129             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3130             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3131             have_timers=yes
  3132         fi
  3133         # Set up additional files for the file library
  3134         if test x$enable_file = xyes; then
  3135             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3136         fi
  3137         # The Mac OS X platform requires special setup.
  3138         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3139         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc"
  3140         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
  3141         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
  3142         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
  3143         # If audio is used, add the AudioUnit framework
  3144         if test x$enable_audio = xyes; then
  3145             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit"
  3146         fi
  3147         ;;
  3148     *-nacl|*-pnacl)
  3149         ARCH=nacl
  3150         CheckNativeClient
  3151         CheckDummyAudio
  3152         CheckDummyVideo
  3153         CheckInputEvents
  3154         # Set up files for the timer library
  3155         if test x$enable_timers = xyes; then
  3156             AC_DEFINE(SDL_TIMER_UNIX)
  3157             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3158             have_timers=yes
  3159         fi
  3160         CheckPTHREAD      
  3161         ;;
  3162     *)
  3163         AC_MSG_ERROR([
  3164 *** Unsupported host:  Please add to configure.in
  3165         ])
  3166         ;;
  3167 esac
  3168 
  3169 dnl Do this on all platforms, after everything else.
  3170 CheckWarnAll
  3171 
  3172 # Verify that we have all the platform specific files we need
  3173 
  3174 if test x$have_joystick != xyes; then
  3175     if test x$enable_joystick = xyes; then
  3176         AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
  3177     fi
  3178     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
  3179 fi
  3180 if test x$have_haptic != xyes; then
  3181     if test x$enable_haptic = xyes; then
  3182         AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
  3183     fi
  3184     SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c"
  3185 fi
  3186 if test x$have_threads != xyes; then
  3187     if test x$enable_threads = xyes; then
  3188         AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
  3189     fi
  3190     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
  3191 fi
  3192 if test x$have_timers != xyes; then
  3193     if test x$enable_timers = xyes; then
  3194         AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
  3195     fi
  3196     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
  3197 fi
  3198 if test x$have_filesystem != xyes; then
  3199     if test x$enable_filesystem = xyes; then
  3200         AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
  3201     fi
  3202     SOURCES="$SOURCES $srcdir/src/filesystem/dummy/*.c"
  3203 fi
  3204 if test x$have_loadso != xyes; then
  3205     if test x$enable_loadso = xyes; then
  3206         AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
  3207     fi
  3208     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
  3209 fi
  3210 if test x$SDLMAIN_SOURCES = x; then
  3211     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
  3212 fi
  3213 SDLTEST_SOURCES="$srcdir/src/test/*.c"
  3214 
  3215 OBJECTS=`echo $SOURCES`
  3216 DEPENDS=`echo $SOURCES | tr ' ' '\n'`
  3217 for EXT in asm cc m c S; do
  3218     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`
  3219     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\
  3220 \\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
  3221 	\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3222 done
  3223 
  3224 VERSION_OBJECTS=`echo $VERSION_SOURCES`
  3225 VERSION_DEPENDS=`echo $VERSION_SOURCES`
  3226 VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
  3227 VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\
  3228 \\$(objects)/\\2.o: \\1/\\2.rc\\\\
  3229 	\\$(WINDRES) \\$< \\$@,g"`
  3230 
  3231 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
  3232 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
  3233 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3234 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3235 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3236 	\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3237 
  3238 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`
  3239 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`
  3240 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3241 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3242 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3243 	\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3244 
  3245 # Set runtime shared library paths as needed
  3246 
  3247 if test "x$enable_rpath" = "xyes"; then
  3248   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
  3249     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
  3250   fi
  3251   if test $ARCH = solaris; then
  3252     SDL_RLD_FLAGS="-R\${libdir}"
  3253   fi
  3254 else
  3255   SDL_RLD_FLAGS=""
  3256 fi
  3257 
  3258 SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
  3259 
  3260 dnl Expand the cflags and libraries needed by apps using SDL
  3261 AC_SUBST(SDL_CFLAGS)
  3262 AC_SUBST(SDL_LIBS)
  3263 AC_SUBST(SDL_STATIC_LIBS)
  3264 AC_SUBST(SDL_RLD_FLAGS)
  3265 if test x$enable_shared = xyes; then
  3266     ENABLE_SHARED_TRUE=
  3267     ENABLE_SHARED_FALSE="#"
  3268 else
  3269     ENABLE_SHARED_TRUE="#"
  3270     ENABLE_SHARED_FALSE=
  3271 fi
  3272 if test x$enable_static = xyes; then
  3273     ENABLE_STATIC_TRUE=
  3274     ENABLE_STATIC_FALSE="#"
  3275 else
  3276     ENABLE_STATIC_TRUE="#"
  3277     ENABLE_STATIC_FALSE=
  3278 fi
  3279 AC_SUBST(ENABLE_SHARED_TRUE)
  3280 AC_SUBST(ENABLE_SHARED_FALSE)
  3281 AC_SUBST(ENABLE_STATIC_TRUE)
  3282 AC_SUBST(ENABLE_STATIC_FALSE)
  3283 
  3284 dnl Expand the sources and objects needed to build the library
  3285 AC_SUBST(ac_aux_dir)
  3286 AC_SUBST(INCLUDE)
  3287 AC_SUBST(OBJECTS)
  3288 AC_SUBST(VERSION_OBJECTS)
  3289 AC_SUBST(SDLMAIN_OBJECTS)
  3290 AC_SUBST(SDLTEST_OBJECTS)
  3291 AC_SUBST(BUILD_CFLAGS)
  3292 AC_SUBST(EXTRA_CFLAGS)
  3293 AC_SUBST(BUILD_LDFLAGS)
  3294 AC_SUBST(EXTRA_LDFLAGS)
  3295 AC_SUBST(WINDRES)
  3296 
  3297 cat >Makefile.rules <<__EOF__
  3298 
  3299 # Build rules for objects
  3300 -include \$(OBJECTS:.lo=.d)
  3301 
  3302 # Special dependency for SDL.c, since it depends on SDL_revision.h
  3303 $srcdir/src/SDL.c: update-revision
  3304 $DEPENDS
  3305 $VERSION_DEPENDS
  3306 $SDLMAIN_DEPENDS
  3307 $SDLTEST_DEPENDS
  3308 __EOF__
  3309 
  3310 AC_CONFIG_FILES([
  3311     Makefile:Makefile.in:Makefile.rules sdl2-config SDL2.spec sdl2.pc
  3312 ])
  3313 AC_CONFIG_COMMANDS([sdl2_config],[chmod a+x sdl2-config])
  3314 
  3315 SUMMARY="SDL2 Configure Summary:\n"
  3316 if test x$enable_shared = xyes; then
  3317     SUMMARY="${SUMMARY}Building Shared Libraries\n"
  3318 fi
  3319 if test x$enable_static = xyes; then
  3320     SUMMARY="${SUMMARY}Building Static Libraries\n"
  3321 fi
  3322 SUMMARY="${SUMMARY}Enabled modules :${SUMMARY_modules}\n"
  3323 SUMMARY="${SUMMARY}Assembly Math   :${SUMMARY_math}\n" 
  3324 SUMMARY="${SUMMARY}Audio drivers   :${SUMMARY_audio}\n"
  3325 SUMMARY="${SUMMARY}Video drivers   :${SUMMARY_video}\n"
  3326 if test x$have_x = xyes; then
  3327     SUMMARY="${SUMMARY}X11 libraries   :${SUMMARY_video_x11}\n"
  3328 fi
  3329 SUMMARY="${SUMMARY}Input drivers   :${SUMMARY_input}\n"
  3330 if test x$enable_libudev = xyes; then
  3331     SUMMARY="${SUMMARY}Using libudev   : YES\n"
  3332 else
  3333     SUMMARY="${SUMMARY}Using libudev   : NO\n"
  3334 fi
  3335 if test x$have_dbus_dbus_h_hdr = xyes; then
  3336     SUMMARY="${SUMMARY}Using dbus      : YES\n"
  3337 else
  3338     SUMMARY="${SUMMARY}Using dbus      : NO\n"
  3339 fi
  3340 AC_CONFIG_COMMANDS([summary], [echo -en "$SUMMARY"], [SUMMARY="$SUMMARY"])
  3341 
  3342 AC_OUTPUT