configure.in
author Philipp Wiesemann <philipp.wiesemann@arcor.de>
Sun, 11 Jun 2017 22:30:06 +0200
changeset 11090 d85832ad10c3
parent 11081 eea7f98a37e4
child 11119 28d3a50e276e
permissions -rw-r--r--
directfb: Fixed configure script not finding shared objects for dynamic loading.
     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="$CFLAGS"
     9 
    10 dnl Set various version strings - taken gratefully from the GTk sources
    11 #
    12 # Making releases:
    13 # Edit include/SDL_version.h and change the version, then:
    14 #   SDL_MICRO_VERSION += 1;
    15 #   SDL_INTERFACE_AGE += 1;
    16 #   SDL_BINARY_AGE += 1;
    17 # if any functions have been added, set SDL_INTERFACE_AGE to 0.
    18 # if backwards compatibility has been broken,
    19 # set SDL_BINARY_AGE and SDL_INTERFACE_AGE to 0.
    20 #
    21 SDL_MAJOR_VERSION=2
    22 SDL_MINOR_VERSION=0
    23 SDL_MICRO_VERSION=5
    24 SDL_INTERFACE_AGE=0
    25 SDL_BINARY_AGE=5
    26 SDL_VERSION=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION.$SDL_MICRO_VERSION
    27 
    28 AC_SUBST(SDL_MAJOR_VERSION)
    29 AC_SUBST(SDL_MINOR_VERSION)
    30 AC_SUBST(SDL_MICRO_VERSION)
    31 AC_SUBST(SDL_INTERFACE_AGE)
    32 AC_SUBST(SDL_BINARY_AGE)
    33 AC_SUBST(SDL_VERSION)
    34 
    35 # libtool versioning
    36 LT_INIT([win32-dll])
    37 
    38 LT_RELEASE=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION
    39 LT_CURRENT=`expr $SDL_MICRO_VERSION - $SDL_INTERFACE_AGE`
    40 LT_REVISION=$SDL_INTERFACE_AGE
    41 LT_AGE=`expr $SDL_BINARY_AGE - $SDL_INTERFACE_AGE`
    42 m4_pattern_allow([^LT_])
    43 
    44 AC_SUBST(LT_RELEASE)
    45 AC_SUBST(LT_CURRENT)
    46 AC_SUBST(LT_REVISION)
    47 AC_SUBST(LT_AGE)
    48 
    49 dnl Detect the canonical build and host environments
    50 dnl AC_CANONICAL_HOST
    51 
    52 dnl Check for tools
    53 AC_PROG_LIBTOOL
    54 AC_PROG_CC
    55 AC_PROG_CXX
    56 AC_PROG_INSTALL
    57 AC_PROG_MAKE_SET
    58 AC_CHECK_TOOL(WINDRES, [windres], [:])
    59 
    60 dnl Make sure that srcdir is a full pathname
    61 case "$host" in
    62     *-*-mingw32*)
    63         # Except on msys, where make can't handle full pathnames (bug 1972)
    64         ;;
    65     *)
    66         srcdir=`cd $srcdir && pwd`
    67         ;;
    68 esac
    69 
    70 dnl Set up the compiler and linker flags
    71 INCLUDE="-I$srcdir/include"
    72 if test x$srcdir != x.; then
    73     INCLUDE="-Iinclude $INCLUDE"
    74 elif test -d .hg; then
    75     AC_MSG_ERROR([
    76 *** When building from Mercurial you should configure and build in a
    77     separate directory so you don't clobber SDL_config.h, SDL_revision.h
    78 ])
    79 fi
    80 BASE_CFLAGS=""
    81 BASE_LDFLAGS=""
    82 case "$host" in
    83     *-*-cygwin*)
    84         # We build SDL on cygwin without the UNIX emulation layer
    85         save_CFLAGS="$CFLAGS"
    86         have_no_cygwin=no
    87         AC_MSG_CHECKING(for GCC -mno-cygwin option)
    88         CFLAGS="$save_CFLAGS -mno-cygwin"
    89 
    90         AC_TRY_COMPILE([
    91         ],[
    92         ],[
    93         have_no_cygwin=yes
    94         ])
    95         AC_MSG_RESULT($have_no_cygwin)
    96         CFLAGS="$save_CFLAGS"
    97 
    98         if test x$have_no_cygwin = xyes; then
    99             BASE_CFLAGS="-mno-cygwin"
   100             BASE_LDFLAGS="-mno-cygwin"
   101         fi
   102         BASE_CFLAGS="$BASE_CFLAGS -I/usr/include/mingw"
   103         ;;
   104 esac
   105 # Uncomment the following line if you want to force SDL and applications
   106 # built with it to be compiled for a particular architecture.
   107 #AX_GCC_ARCHFLAG([no], [BASE_CFLAGS="$BASE_CFLAGS $ax_cv_gcc_archflag]")
   108 BUILD_CFLAGS="$CFLAGS $CPPFLAGS -DUSING_GENERATED_CONFIG_H"
   109 # The default optimization for SDL is -O3 (Bug #31)
   110 if test "x$orig_CFLAGS" = x; then
   111     BUILD_CFLAGS=`echo $BUILD_CFLAGS | sed 's/-O2/-O3/'`
   112 fi
   113 EXTRA_CFLAGS="$INCLUDE $BASE_CFLAGS"
   114 BUILD_LDFLAGS="$LDFLAGS"
   115 EXTRA_LDFLAGS="$BASE_LDFLAGS"
   116 ## These are common directories to find software packages
   117 #for path in /usr/freeware /usr/pkg /usr/X11R6 /usr/local; do
   118 #    if test -d $path/include; then
   119 #        EXTRA_CFLAGS="$EXTRA_CFLAGS -I$path/include"
   120 #    fi
   121 #    if test -d $path/lib; then
   122 #        EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L$path/lib"
   123 #    fi
   124 #done
   125 SDL_CFLAGS="$BASE_CFLAGS"
   126 SDL_LIBS="-lSDL2 $BASE_LDFLAGS"
   127 CPPFLAGS="$CPPFLAGS $EXTRA_CFLAGS"
   128 CFLAGS="$CFLAGS $EXTRA_CFLAGS"
   129 LDFLAGS="$LDFLAGS $EXTRA_LDFLAGS"
   130 
   131 dnl set this to use on systems that use lib64 instead of lib
   132 base_libdir=`echo \${libdir} | sed 's/.*\/\(.*\)/\1/; q'`
   133 
   134 dnl Function to find a library in the compiler search path
   135 find_lib()
   136 {
   137     gcc_bin_path=[`$CC -print-search-dirs 2>/dev/null | fgrep programs: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
   138     gcc_lib_path=[`$CC -print-search-dirs 2>/dev/null | fgrep libraries: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
   139     env_lib_path=[`echo $LIBS $LDFLAGS $* | sed 's/-L[ ]*//g'`]
   140     if test "$cross_compiling" = yes; then
   141         host_lib_path=""
   142     else
   143         host_lib_path="/usr/$base_libdir /usr/local/$base_libdir"
   144     fi
   145     for path in $env_lib_path $gcc_bin_path $gcc_lib_path $host_lib_path; do
   146         lib=[`ls -- $path/$1 2>/dev/null | sed -e '/\.so\..*\./d' -e 's,.*/,,' | sort | tail -1`]
   147         if test x$lib != x; then
   148             echo $lib
   149             return
   150         fi
   151     done
   152 }
   153 
   154 dnl Check for compiler characteristics
   155 AC_C_CONST
   156 AC_C_INLINE
   157 AC_C_VOLATILE
   158 
   159 dnl See whether we want assertions for debugging/sanity checking SDL itself.
   160 AC_ARG_ENABLE(assertions,
   161 AC_HELP_STRING([--enable-assertions],
   162                [Enable internal sanity checks (auto/disabled/release/enabled/paranoid) [[default=auto]]]),
   163               , enable_assertions=auto)
   164 case "$enable_assertions" in
   165     auto) # Use optimization settings to determine assertion level
   166         ;;
   167     disabled)
   168         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 0, [ ])
   169         ;;
   170     release)
   171         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 1, [ ])
   172         ;;
   173     enabled)
   174         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 2, [ ])
   175         ;;
   176     paranoid)
   177         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 3, [ ])
   178         ;;
   179     *)
   180         AC_MSG_ERROR([*** unknown assertion level. stop.])
   181         ;;
   182 esac
   183 
   184 dnl See whether we can use gcc style dependency tracking
   185 AC_ARG_ENABLE(dependency-tracking,
   186 AC_HELP_STRING([--enable-dependency-tracking],
   187                [Use gcc -MMD -MT dependency tracking [[default=yes]]]),
   188               , enable_dependency_tracking=yes)
   189 if test x$enable_dependency_tracking = xyes; then
   190     have_gcc_mmd_mt=no
   191     AC_MSG_CHECKING(for GCC -MMD -MT option)
   192     AC_TRY_COMPILE([
   193     #if !defined(__GNUC__) || __GNUC__ < 3
   194     #error Dependency tracking requires GCC 3.0 or newer
   195     #endif
   196     ],[
   197     ],[
   198     have_gcc_mmd_mt=yes
   199     ])
   200     AC_MSG_RESULT($have_gcc_mmd_mt)
   201 
   202     if test x$have_gcc_mmd_mt = xyes; then
   203         DEPENDENCY_TRACKING_OPTIONS="-MMD -MT \$@"
   204     fi
   205 fi
   206 
   207 AC_MSG_CHECKING(for linker option --no-undefined)
   208 have_no_undefined=no
   209 case "$host" in
   210     dnl Skip this on platforms where it is just simply busted.
   211     *-*-openbsd*)
   212         ;;
   213 
   214     *)
   215         save_LDFLAGS="$LDFLAGS"
   216         LDFLAGS="$LDFLAGS -Wl,--no-undefined"
   217         AC_TRY_LINK([
   218         ],[
   219         ],[
   220         have_no_undefined=yes
   221         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,--no-undefined"
   222         ])
   223         LDFLAGS="$save_LDFLAGS"
   224         ;;
   225 esac
   226 AC_MSG_RESULT($have_no_undefined)
   227 
   228 dnl See whether we are allowed to use the system C library
   229 AC_ARG_ENABLE(libc,
   230 AC_HELP_STRING([--enable-libc], [Use the system C library [[default=yes]]]),
   231               , enable_libc=yes)
   232 if test x$enable_libc = xyes; then
   233     AC_DEFINE(HAVE_LIBC, 1, [ ])
   234 
   235     dnl Check for C library headers
   236     AC_HEADER_STDC
   237     AC_CHECK_HEADERS(sys/types.h stdio.h stdlib.h stddef.h stdarg.h malloc.h memory.h string.h strings.h inttypes.h stdint.h ctype.h math.h iconv.h signal.h)
   238 
   239     dnl Check for typedefs, structures, etc.
   240     AC_TYPE_SIZE_T
   241 
   242     dnl Check for defines
   243     AC_CHECK_DEFINE(M_PI, math.h)
   244 
   245     dnl Checks for library functions.
   246     case "$host" in
   247     *-*-cygwin* | *-*-mingw32*)
   248         ;;
   249     *)
   250         AC_FUNC_ALLOCA
   251         ;;
   252     esac
   253 
   254     AC_FUNC_MEMCMP
   255     if test x$ac_cv_func_memcmp_working = xyes; then
   256         AC_DEFINE(HAVE_MEMCMP, 1, [ ])
   257     fi
   258     AC_FUNC_STRTOD
   259     if test x$ac_cv_func_strtod = xyes; then
   260         AC_DEFINE(HAVE_STRTOD, 1, [ ])
   261     fi
   262     AC_CHECK_FUNC(mprotect,
   263         AC_TRY_COMPILE([
   264           #include <sys/types.h>
   265           #include <sys/mman.h>
   266         ],[
   267         ],[
   268         AC_DEFINE(HAVE_MPROTECT, 1, [ ])
   269         ]),
   270     )
   271     AC_CHECK_FUNCS(malloc calloc realloc free getenv setenv putenv unsetenv qsort abs bcopy memset memcpy memmove strlen strlcpy strlcat strdup _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp vsscanf vsnprintf fseeko fseeko64 sigaction setjmp nanosleep sysconf sysctlbyname getauxval)
   272 
   273     AC_CHECK_LIB(m, pow, [LIBS="$LIBS -lm"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm"])
   274     AC_CHECK_FUNCS(atan atan2 acos asin ceil copysign cos cosf fabs floor log pow scalbn sin sinf sqrt sqrtf tan tanf)
   275 
   276     AC_CHECK_LIB(iconv, iconv_open, [LIBS="$LIBS -liconv"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -liconv"])
   277     AC_CHECK_FUNCS(iconv)
   278 
   279     AC_CHECK_MEMBER(struct sigaction.sa_sigaction,[AC_DEFINE([HAVE_SA_SIGACTION], 1, [Description])], ,[#include <signal.h>])
   280 fi
   281 
   282 dnl AC_CHECK_SIZEOF(void*)
   283 
   284 dnl See whether we can use gcc atomic operations on this architecture
   285 AC_ARG_ENABLE(gcc-atomics,
   286 AC_HELP_STRING([--enable-gcc-atomics],
   287                [Use gcc builtin atomics [[default=yes]]]),
   288               , enable_gcc_atomics=yes)
   289 if test x$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=maybe]]]),
   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 -o x$have_gcc_sse3 = xyes; then
   486             EXTRA_CFLAGS="$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=maybe]]]),
   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(sse3,
   633 AC_HELP_STRING([--enable-sse3], [use SSE3 assembly routines [[default=maybe]]]),
   634                   , enable_sse3=$default_ssemath)
   635     if test x$enable_sse3 = xyes; then
   636         save_CFLAGS="$CFLAGS"
   637         have_gcc_sse3=no
   638         AC_MSG_CHECKING(for GCC -msse3 option)
   639         sse3_CFLAGS="-msse3"
   640         CFLAGS="$save_CFLAGS $sse3_CFLAGS"
   641 
   642         AC_TRY_COMPILE([
   643         #ifdef __MINGW32__
   644         #include <_mingw.h>
   645         #ifdef __MINGW64_VERSION_MAJOR
   646         #include <intrin.h>
   647         #else
   648         #include <pmmintrin.h>
   649         #endif
   650         #else
   651         #include <pmmintrin.h>
   652         #endif
   653         #ifndef __SSE2__
   654         #error Assembler CPP flag not enabled
   655         #endif
   656         ],[
   657         ],[
   658         have_gcc_sse3=yes
   659         ])
   660         AC_MSG_RESULT($have_gcc_sse3)
   661         CFLAGS="$save_CFLAGS"
   662 
   663         if test x$have_gcc_sse3 = xyes; then
   664             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse3_CFLAGS"
   665             SUMMARY_math="${SUMMARY_math} sse3"
   666         fi
   667     fi
   668 
   669     AC_ARG_ENABLE(altivec,
   670 AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]]]),
   671                   , enable_altivec=yes)
   672     if test x$enable_altivec = xyes; then
   673         save_CFLAGS="$CFLAGS"
   674         have_gcc_altivec=no
   675         have_altivec_h_hdr=no
   676         altivec_CFLAGS="-maltivec"
   677         CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   678 
   679         AC_MSG_CHECKING(for Altivec with GCC altivec.h and -maltivec option)
   680         AC_TRY_COMPILE([
   681         #include <altivec.h>
   682         vector unsigned int vzero() {
   683             return vec_splat_u32(0);
   684         }
   685         ],[
   686         ],[
   687         have_gcc_altivec=yes
   688         have_altivec_h_hdr=yes
   689         ])
   690         AC_MSG_RESULT($have_gcc_altivec)
   691 
   692         if test x$have_gcc_altivec = xno; then
   693             AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
   694             AC_TRY_COMPILE([
   695             vector unsigned int vzero() {
   696                 return vec_splat_u32(0);
   697             }
   698             ],[
   699             ],[
   700             have_gcc_altivec=yes
   701             ])
   702             AC_MSG_RESULT($have_gcc_altivec)
   703         fi
   704 
   705         if test x$have_gcc_altivec = xno; then
   706             AC_MSG_CHECKING(for Altivec with GCC altivec.h and -faltivec option)
   707             altivec_CFLAGS="-faltivec"
   708             CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   709             AC_TRY_COMPILE([
   710             #include <altivec.h>
   711             vector unsigned int vzero() {
   712                 return vec_splat_u32(0);
   713             }
   714             ],[
   715             ],[
   716             have_gcc_altivec=yes
   717             have_altivec_h_hdr=yes
   718             ])
   719             AC_MSG_RESULT($have_gcc_altivec)
   720         fi
   721 
   722         if test x$have_gcc_altivec = xno; then
   723             AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
   724             AC_TRY_COMPILE([
   725             vector unsigned int vzero() {
   726                 return vec_splat_u32(0);
   727             }
   728             ],[
   729             ],[
   730             have_gcc_altivec=yes
   731             ])
   732             AC_MSG_RESULT($have_gcc_altivec)
   733         fi
   734         CFLAGS="$save_CFLAGS"
   735 
   736         if test x$have_gcc_altivec = xyes; then
   737             AC_DEFINE(SDL_ALTIVEC_BLITTERS, 1, [ ])
   738             if test x$have_altivec_h_hdr = xyes; then
   739               AC_DEFINE(HAVE_ALTIVEC_H, 1, [ ])
   740             fi
   741             EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
   742             SUMMARY_math="${SUMMARY_math} altivec"
   743         fi
   744     fi
   745 fi
   746 
   747 dnl See if the OSS audio interface is supported
   748 CheckOSS()
   749 {
   750     AC_ARG_ENABLE(oss,
   751 AC_HELP_STRING([--enable-oss], [support the OSS audio API [[default=maybe]]]),
   752                   , enable_oss=maybe)
   753 
   754     # OpenBSD "has" OSS, but it's not really for app use. They want you to
   755     #  use sndio instead. So on there, we default to disabled. You can force
   756     #  it on if you really want, though.
   757     if test x$enable_oss = xmaybe; then
   758         enable_oss=yes
   759         case "$host" in
   760             *-*-openbsd*)
   761                 enable_oss=no;;
   762         esac
   763     fi
   764 
   765     if test x$enable_audio = xyes -a x$enable_oss = xyes; then
   766         AC_MSG_CHECKING(for OSS audio support)
   767         have_oss=no
   768         if test x$have_oss != xyes; then
   769             AC_TRY_COMPILE([
   770               #include <sys/soundcard.h>
   771             ],[
   772               int arg = SNDCTL_DSP_SETFRAGMENT;
   773             ],[
   774             have_oss=yes
   775             ])
   776         fi
   777         if test x$have_oss != xyes; then
   778             AC_TRY_COMPILE([
   779               #include <soundcard.h>
   780             ],[
   781               int arg = SNDCTL_DSP_SETFRAGMENT;
   782             ],[
   783             have_oss=yes
   784             AC_DEFINE(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H, 1, [ ])
   785             ])
   786         fi
   787         AC_MSG_RESULT($have_oss)
   788         if test x$have_oss = xyes; then
   789             SUMMARY_audio="${SUMMARY_audio} oss"
   790             AC_DEFINE(SDL_AUDIO_DRIVER_OSS, 1, [ ])
   791             SOURCES="$SOURCES $srcdir/src/audio/dsp/*.c"
   792             have_audio=yes
   793 
   794             # We may need to link with ossaudio emulation library
   795             case "$host" in
   796                 *-*-openbsd*|*-*-netbsd*)
   797                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lossaudio";;
   798             esac
   799         fi
   800     fi
   801 }
   802 
   803 dnl See if the ALSA audio interface is supported
   804 CheckALSA()
   805 {
   806     AC_ARG_ENABLE(alsa,
   807 AC_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),
   808                   , enable_alsa=yes)
   809     if test x$enable_audio = xyes -a x$enable_alsa = xyes; then
   810         AM_PATH_ALSA(1.0.11, have_alsa=yes, have_alsa=no)
   811         # Restore all flags from before the ALSA detection runs
   812         CFLAGS="$alsa_save_CFLAGS"
   813         LDFLAGS="$alsa_save_LDFLAGS"
   814         LIBS="$alsa_save_LIBS"
   815         if test x$have_alsa = xyes; then
   816             AC_ARG_ENABLE(alsa-shared,
   817 AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
   818                           , enable_alsa_shared=yes)
   819             alsa_lib=[`find_lib "libasound.so.*" "$ALSA_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   820 
   821             AC_DEFINE(SDL_AUDIO_DRIVER_ALSA, 1, [ ])
   822             SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c"
   823             EXTRA_CFLAGS="$EXTRA_CFLAGS $ALSA_CFLAGS"
   824             if test x$have_loadso != xyes && \
   825                test x$enable_alsa_shared = xyes; then
   826                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading])
   827             fi
   828             if test x$have_loadso = xyes && \
   829                test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then
   830                 echo "-- dynamic libasound -> $alsa_lib"
   831                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ALSA_DYNAMIC, "$alsa_lib", [ ])
   832                 SUMMARY_audio="${SUMMARY_audio} alsa(dynamic)"
   833             else
   834                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ALSA_LIBS"
   835                 SUMMARY_audio="${SUMMARY_audio} alsa"
   836             fi
   837             have_audio=yes
   838         fi
   839     fi
   840 }
   841 
   842 dnl Find JACK Audio
   843 CheckJACK()
   844 {
   845     AC_ARG_ENABLE(jack,
   846 AC_HELP_STRING([--enable-jack], [use JACK audio [[default=yes]]]),
   847                   , enable_jack=yes)
   848     if test x$enable_audio = xyes -a x$enable_jack = xyes; then
   849         audio_jack=no
   850 
   851         JACK_REQUIRED_VERSION=0.125
   852 
   853         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
   854         AC_MSG_CHECKING(for JACK $JACK_REQUIRED_VERSION support)
   855         if test x$PKG_CONFIG != xno; then
   856         if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $JACK_REQUIRED_VERSION jack; then
   857                 JACK_CFLAGS=`$PKG_CONFIG --cflags jack`
   858                 JACK_LIBS=`$PKG_CONFIG --libs jack`
   859                 audio_jack=yes
   860             fi
   861         fi
   862         AC_MSG_RESULT($audio_jack)
   863 
   864         if test x$audio_jack = xyes; then
   865             AC_ARG_ENABLE(jack-shared,
   866 AC_HELP_STRING([--enable-jack-shared], [dynamically load JACK audio support [[default=yes]]]),
   867                           , enable_jack_shared=yes)
   868             jack_lib=[`find_lib "libjack.so.*" "$JACK_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   869 
   870             AC_DEFINE(SDL_AUDIO_DRIVER_JACK, 1, [ ])
   871             SOURCES="$SOURCES $srcdir/src/audio/jack/*.c"
   872             EXTRA_CFLAGS="$EXTRA_CFLAGS $JACK_CFLAGS"
   873             if test x$have_loadso != xyes && \
   874                test x$enable_jack_shared = xyes; then
   875                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic JACK audio loading])
   876             fi
   877             if test x$have_loadso = xyes && \
   878                test x$enable_jack_shared = xyes && test x$jack_lib != x; then
   879                 echo "-- dynamic libjack -> $jack_lib"
   880                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_JACK_DYNAMIC, "$jack_lib", [ ])
   881                 SUMMARY_audio="${SUMMARY_audio} jack(dynamic)"
   882 
   883                 case "$host" in
   884                     # On Solaris, jack must be linked deferred explicitly
   885                     # to prevent undefined symbol failures.
   886                     *-*-solaris*)
   887                         JACK_LIBS=`echo $JACK_LIBS | sed 's/\-l/-Wl,-l/g'`
   888                         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-zdeferred $JACK_LIBS -Wl,-znodeferred"
   889                 esac
   890             else
   891                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $JACK_LIBS"
   892                 SUMMARY_audio="${SUMMARY_audio} jack"
   893             fi
   894             have_audio=yes
   895         fi
   896     fi
   897 }
   898 
   899 dnl Find the ESD includes and libraries
   900 CheckESD()
   901 {
   902     AC_ARG_ENABLE(esd,
   903 AC_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),
   904                   , enable_esd=yes)
   905     if test x$enable_audio = xyes -a x$enable_esd = xyes; then
   906         AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no)
   907         if test x$have_esd = xyes; then
   908             AC_ARG_ENABLE(esd-shared,
   909 AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
   910                           , enable_esd_shared=yes)
   911             esd_lib=[`find_lib "libesd.so.*" "$ESD_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   912 
   913             AC_DEFINE(SDL_AUDIO_DRIVER_ESD, 1, [ ])
   914             SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"
   915             EXTRA_CFLAGS="$EXTRA_CFLAGS $ESD_CFLAGS"
   916             if test x$have_loadso != xyes && \
   917                test x$enable_esd_shared = xyes; then
   918                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading])
   919             fi
   920             if test x$have_loadso = xyes && \
   921                test x$enable_esd_shared = xyes && test x$esd_lib != x; then
   922                 echo "-- dynamic libesd -> $esd_lib"
   923                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib", [ ])
   924                 SUMMARY_audio="${SUMMARY_audio} esd(dynamic)"
   925             else
   926                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ESD_LIBS"
   927                 SUMMARY_audio="${SUMMARY_audio} esd"
   928             fi
   929             have_audio=yes
   930         fi
   931     fi
   932 }
   933 
   934 dnl Find PulseAudio
   935 CheckPulseAudio()
   936 {
   937     AC_ARG_ENABLE(pulseaudio,
   938 AC_HELP_STRING([--enable-pulseaudio], [use PulseAudio [[default=yes]]]),
   939                   , enable_pulseaudio=yes)
   940     if test x$enable_audio = xyes -a x$enable_pulseaudio = xyes; then
   941         audio_pulseaudio=no
   942 
   943         PULSEAUDIO_REQUIRED_VERSION=0.9
   944 
   945         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
   946         AC_MSG_CHECKING(for PulseAudio $PULSEAUDIO_REQUIRED_VERSION support)
   947         if test x$PKG_CONFIG != xno; then
   948         if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $PULSEAUDIO_REQUIRED_VERSION libpulse-simple; then
   949                 PULSEAUDIO_CFLAGS=`$PKG_CONFIG --cflags libpulse-simple`
   950                 PULSEAUDIO_LIBS=`$PKG_CONFIG --libs libpulse-simple`
   951                 audio_pulseaudio=yes
   952             fi
   953         fi
   954         AC_MSG_RESULT($audio_pulseaudio)
   955 
   956         if test x$audio_pulseaudio = xyes; then
   957             AC_ARG_ENABLE(pulseaudio-shared,
   958 AC_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [[default=yes]]]),
   959                           , enable_pulseaudio_shared=yes)
   960             pulseaudio_lib=[`find_lib "libpulse-simple.so.*" "$PULSEAUDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   961 
   962             AC_DEFINE(SDL_AUDIO_DRIVER_PULSEAUDIO, 1, [ ])
   963             SOURCES="$SOURCES $srcdir/src/audio/pulseaudio/*.c"
   964             EXTRA_CFLAGS="$EXTRA_CFLAGS $PULSEAUDIO_CFLAGS"
   965             if test x$have_loadso != xyes && \
   966                test x$enable_pulseaudio_shared = xyes; then
   967                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic PulseAudio loading])
   968             fi
   969             if test x$have_loadso = xyes && \
   970                test x$enable_pulseaudio_shared = xyes && test x$pulseaudio_lib != x; then
   971                 echo "-- dynamic libpulse-simple -> $pulseaudio_lib"
   972                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC, "$pulseaudio_lib", [ ])
   973                 SUMMARY_audio="${SUMMARY_audio} pulse(dynamic)"
   974 
   975                 case "$host" in
   976                     # On Solaris, pulseaudio must be linked deferred explicitly
   977                     # to prevent undefined symbol failures.
   978                     *-*-solaris*)
   979                         PULSEAUDIO_LIBS=`echo $PULSEAUDIO_LIBS | sed 's/\-l/-Wl,-l/g'`
   980                         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-zdeferred $PULSEAUDIO_LIBS -Wl,-znodeferred"
   981                 esac
   982             else
   983                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $PULSEAUDIO_LIBS"
   984                 SUMMARY_audio="${SUMMARY_audio} pulse"
   985             fi
   986             have_audio=yes
   987         fi
   988     fi
   989 }
   990 
   991 CheckARTSC()
   992 {
   993     AC_ARG_ENABLE(arts,
   994 AC_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),
   995                   , enable_arts=yes)
   996     if test x$enable_audio = xyes -a x$enable_arts = xyes; then
   997         AC_PATH_PROG(ARTSCONFIG, artsc-config)
   998         if test x$ARTSCONFIG = x -o x$ARTSCONFIG = x'"$ARTSCONFIG"'; then
   999             : # arts isn't installed
  1000         else
  1001             ARTS_CFLAGS=`$ARTSCONFIG --cflags`
  1002             ARTS_LIBS=`$ARTSCONFIG --libs`
  1003             AC_MSG_CHECKING(for aRts development environment)
  1004             audio_arts=no
  1005             save_CFLAGS="$CFLAGS"
  1006             CFLAGS="$CFLAGS $ARTS_CFLAGS"
  1007             AC_TRY_COMPILE([
  1008              #include <artsc.h>
  1009             ],[
  1010              arts_stream_t stream;
  1011             ],[
  1012             audio_arts=yes
  1013             ])
  1014             CFLAGS="$save_CFLAGS"
  1015             AC_MSG_RESULT($audio_arts)
  1016             if test x$audio_arts = xyes; then
  1017                 AC_ARG_ENABLE(arts-shared,
  1018 AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
  1019                               , enable_arts_shared=yes)
  1020                 arts_lib=[`find_lib "libartsc.so.*" "$ARTS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1021 
  1022                 AC_DEFINE(SDL_AUDIO_DRIVER_ARTS, 1, [ ])
  1023                 SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"
  1024                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ARTS_CFLAGS"
  1025                 if test x$have_loadso != xyes && \
  1026                    test x$enable_arts_shared = xyes; then
  1027                     AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading])
  1028                 fi
  1029                 if test x$have_loadso = xyes && \
  1030                    test x$enable_arts_shared = xyes && test x$arts_lib != x; then
  1031                     echo "-- dynamic libartsc -> $arts_lib"
  1032                     AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib", [ ])
  1033                     SUMMARY_audio="${SUMMARY_audio} arts(dynamic)"
  1034                 else
  1035                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARTS_LIBS"
  1036                     SUMMARY_audio="${SUMMARY_audio} arts"
  1037                 fi
  1038                 have_audio=yes
  1039             fi
  1040         fi
  1041     fi
  1042 }
  1043 
  1044 dnl See if the NAS audio interface is supported
  1045 CheckNAS()
  1046 {
  1047     AC_ARG_ENABLE(nas,
  1048 AC_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),
  1049                   , enable_nas=yes)
  1050     if test x$enable_audio = xyes -a x$enable_nas = xyes; then
  1051         AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes)
  1052         AC_CHECK_LIB(audio, AuOpenServer, have_nas_lib=yes)
  1053 
  1054         AC_MSG_CHECKING(for NAS audio support)
  1055         have_nas=no
  1056 
  1057         if test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then
  1058             have_nas=yes
  1059             NAS_LIBS="-laudio"
  1060 
  1061         elif test -r /usr/X11R6/include/audio/audiolib.h; then
  1062             have_nas=yes
  1063             NAS_CFLAGS="-I/usr/X11R6/include/"
  1064             NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"
  1065 
  1066         fi
  1067 
  1068         AC_MSG_RESULT($have_nas)
  1069 
  1070         if test x$have_nas = xyes; then
  1071             AC_ARG_ENABLE(nas-shared,
  1072 AC_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [[default=yes]]]),
  1073                           , enable_nas_shared=yes)
  1074             nas_lib=[`find_lib "libaudio.so.*" "$NAS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1075 
  1076             if test x$have_loadso != xyes && \
  1077                test x$enable_nas_shared = xyes; then
  1078                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic NAS loading])
  1079             fi
  1080             if test x$have_loadso = xyes && \
  1081                test x$enable_nas_shared = xyes && test x$nas_lib != x; then
  1082                 echo "-- dynamic libaudio -> $nas_lib"
  1083                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_NAS_DYNAMIC, "$nas_lib", [ ])
  1084                 SUMMARY_audio="${SUMMARY_audio} nas(dynamic)"
  1085             else
  1086                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS"
  1087                 SUMMARY_audio="${SUMMARY_audio} nas"
  1088             fi
  1089 
  1090             AC_DEFINE(SDL_AUDIO_DRIVER_NAS, 1, [ ])
  1091             SOURCES="$SOURCES $srcdir/src/audio/nas/*.c"
  1092             EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS"
  1093             have_audio=yes
  1094         fi
  1095     fi
  1096 }
  1097 
  1098 dnl See if the sndio audio interface is supported
  1099 CheckSNDIO()
  1100 {
  1101     AC_ARG_ENABLE(sndio,
  1102 AC_HELP_STRING([--enable-sndio], [support the sndio audio API [[default=yes]]]),
  1103                   , enable_sndio=yes)
  1104     if test x$enable_audio = xyes -a x$enable_sndio = xyes; then
  1105         AC_CHECK_HEADER(sndio.h, have_sndio_hdr=yes)
  1106         AC_CHECK_LIB(sndio, sio_open, have_sndio_lib=yes)
  1107 
  1108         AC_MSG_CHECKING(for sndio audio support)
  1109         have_sndio=no
  1110 
  1111         if test x$have_sndio_hdr = xyes -a x$have_sndio_lib = xyes; then
  1112             have_sndio=yes
  1113             SNDIO_LIBS="-lsndio"
  1114         fi
  1115 
  1116         AC_MSG_RESULT($have_sndio)
  1117 
  1118         if test x$have_sndio = xyes; then
  1119             AC_ARG_ENABLE(sndio-shared,
  1120 AC_HELP_STRING([--enable-sndio-shared], [dynamically load sndio audio support [[default=yes]]]),
  1121                           , enable_sndio_shared=yes)
  1122             sndio_lib=[`find_lib "libsndio.so.*" "$SNDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1123 
  1124             if test x$have_loadso != xyes && \
  1125                test x$enable_sndio_shared = xyes; then
  1126                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic sndio loading])
  1127             fi
  1128             if test x$have_loadso = xyes && \
  1129                test x$enable_sndio_shared = xyes && test x$sndio_lib != x; then
  1130                 echo "-- dynamic libsndio -> $sndio_lib"
  1131                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_SNDIO_DYNAMIC, "$sndio_lib", [ ])
  1132                 SUMMARY_audio="${SUMMARY_audio} sndio(dynamic)"
  1133             else
  1134                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $SNDIO_LIBS"
  1135                 SUMMARY_audio="${SUMMARY_audio} sndio"
  1136             fi
  1137 
  1138             AC_DEFINE(SDL_AUDIO_DRIVER_SNDIO, 1, [ ])
  1139             SOURCES="$SOURCES $srcdir/src/audio/sndio/*.c"
  1140             EXTRA_CFLAGS="$EXTRA_CFLAGS $SNDIO_CFLAGS"
  1141             have_audio=yes
  1142         fi
  1143     fi
  1144 }
  1145 
  1146 dnl Find FusionSound
  1147 CheckFusionSound()
  1148 {
  1149     AC_ARG_ENABLE(fusionsound,
  1150 AC_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [[default=no]]]),
  1151                   , enable_fusionsound=no)
  1152     if test x$enable_audio = xyes -a x$enable_fusionsound = xyes; then
  1153         fusionsound=no
  1154 
  1155         FUSIONSOUND_REQUIRED_VERSION=1.1.1
  1156 
  1157         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1158         AC_MSG_CHECKING(for FusionSound $FUSIONSOUND_REQUIRED_VERSION support)
  1159         if test x$PKG_CONFIG != xno; then
  1160             if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $FUSIONSOUND_REQUIRED_VERSION fusionsound; then
  1161                 FUSIONSOUND_CFLAGS=`$PKG_CONFIG --cflags fusionsound`
  1162                 FUSIONSOUND_LIBS=`$PKG_CONFIG --libs fusionsound`
  1163                 fusionsound=yes
  1164             fi
  1165         fi
  1166         AC_MSG_RESULT($fusionsound)
  1167 
  1168         if test x$fusionsound = xyes; then
  1169             AC_DEFINE(SDL_AUDIO_DRIVER_FUSIONSOUND, 1, [ ])
  1170             SOURCES="$SOURCES $srcdir/src/audio/fusionsound/*.c"
  1171             EXTRA_CFLAGS="$EXTRA_CFLAGS $FUSIONSOUND_CFLAGS"
  1172             
  1173             AC_ARG_ENABLE(fusionsound-shared,
  1174 AC_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [[default=yes]]]),
  1175                           , enable_fusionsound_shared=yes)
  1176             fusionsound_shared=no
  1177             AC_MSG_CHECKING(for FusionSound dynamic loading support)
  1178             if test x$have_loadso != xyes && \
  1179                test x$enable_fusionsound_shared = xyes; then
  1180                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic fusionsound loading])
  1181             fi
  1182             if test x$have_loadso = xyes && \
  1183                test x$enable_fusionsound_shared = xyes; then
  1184                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC, "libfusionsound.so", [ ])
  1185                 fusionsound_shared=yes
  1186                 SUMMARY_audio="${SUMMARY_audio} fusionsound(dynamic)"
  1187             else
  1188                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $FUSIONSOUND_LIBS"
  1189                 SUMMARY_audio="${SUMMARY_audio} fusionsound"
  1190             fi
  1191             AC_MSG_RESULT($fusionsound_shared)
  1192             
  1193             have_audio=yes
  1194         fi
  1195     fi
  1196 }
  1197 
  1198 dnl rcg07142001 See if the user wants the disk writer audio driver...
  1199 CheckDiskAudio()
  1200 {
  1201     AC_ARG_ENABLE(diskaudio,
  1202 AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
  1203                   , enable_diskaudio=yes)
  1204     if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then
  1205         AC_DEFINE(SDL_AUDIO_DRIVER_DISK, 1, [ ])
  1206         SOURCES="$SOURCES $srcdir/src/audio/disk/*.c"
  1207         SUMMARY_audio="${SUMMARY_audio} disk"
  1208     fi
  1209 }
  1210 
  1211 dnl rcg03142006 See if the user wants the dummy audio driver...
  1212 CheckDummyAudio()
  1213 {
  1214     AC_ARG_ENABLE(dummyaudio,
  1215 AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
  1216                   , enable_dummyaudio=yes)
  1217     if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then
  1218         AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY, 1, [ ])
  1219         SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c"
  1220         SUMMARY_audio="${SUMMARY_audio} dummy"
  1221     fi
  1222 }
  1223 
  1224 dnl See if libsamplerate is available
  1225 CheckLibSampleRate()
  1226 {
  1227     AC_ARG_ENABLE(libsamplerate,
  1228 AC_HELP_STRING([--enable-libsamplerate], [use libsamplerate for audio rate conversion [[default=yes]]]),
  1229                   , enable_libsamplerate=yes)
  1230     if test x$enable_libsamplerate = xyes; then
  1231         AC_CHECK_HEADER(samplerate.h,
  1232                         have_samplerate_h_hdr=yes,
  1233                         have_samplerate_h_hdr=no)
  1234         if test x$have_samplerate_h_hdr = xyes; then
  1235             AC_DEFINE(HAVE_LIBSAMPLERATE_H, 1, [ ])
  1236 
  1237             AC_ARG_ENABLE(libsamplerate-shared,
  1238 AC_HELP_STRING([--enable-libsamplerate-shared], [dynamically load libsamplerate [[default=yes]]]),
  1239                           , enable_libsamplerate_shared=yes)
  1240 
  1241             samplerate_lib=[`find_lib "libsamplerate.so.*" "" | sed 's/.*\/\(.*\)/\1/; q'`]
  1242 
  1243             if test x$have_loadso != xyes && \
  1244                test x$enable_libsamplerate_shared = xyes; then
  1245                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic libsamplerate loading])
  1246             fi
  1247             if test x$have_loadso = xyes && \
  1248                test x$enable_libsamplerate_shared = xyes && test x$samplerate_lib != x; then
  1249                 echo "-- dynamic libsamplerate -> $samplerate_lib"
  1250                 AC_DEFINE_UNQUOTED(SDL_LIBSAMPLERATE_DYNAMIC, "$samplerate_lib", [ ])
  1251             else
  1252                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lsamplerate"
  1253             fi
  1254         fi
  1255     fi
  1256 }
  1257 
  1258 dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).
  1259 dnl  Details of this flag are here: http://gcc.gnu.org/wiki/Visibility
  1260 CheckVisibilityHidden()
  1261 {
  1262     AC_MSG_CHECKING(for GCC -fvisibility=hidden option)
  1263     have_gcc_fvisibility=no
  1264 
  1265     visibility_CFLAGS="-fvisibility=hidden"
  1266     save_CFLAGS="$CFLAGS"
  1267     CFLAGS="$save_CFLAGS $visibility_CFLAGS -Werror"
  1268     AC_TRY_COMPILE([
  1269     #if !defined(__GNUC__) || __GNUC__ < 4
  1270     #error SDL only uses visibility attributes in GCC 4 or newer
  1271     #endif
  1272     ],[
  1273     ],[
  1274     have_gcc_fvisibility=yes
  1275     ])
  1276     AC_MSG_RESULT($have_gcc_fvisibility)
  1277     CFLAGS="$save_CFLAGS"
  1278 
  1279     if test x$have_gcc_fvisibility = xyes; then
  1280         EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"
  1281     fi
  1282 }
  1283 
  1284 dnl See if GCC's -mpreferred-stack-boundary is supported.
  1285 dnl  Reference: http://bugzilla.libsdl.org/show_bug.cgi?id=1296
  1286 CheckStackBoundary()
  1287 {
  1288     AC_MSG_CHECKING(for GCC -mpreferred-stack-boundary option)
  1289     have_gcc_preferred_stack_boundary=no
  1290 
  1291     save_CFLAGS="$CFLAGS"
  1292     CFLAGS="$save_CFLAGS -mpreferred-stack-boundary=2"
  1293     AC_TRY_COMPILE([
  1294     int x = 0;
  1295     ],[
  1296     ],[
  1297     have_gcc_preferred_stack_boundary=yes
  1298     ])
  1299     AC_MSG_RESULT($have_gcc_preferred_stack_boundary)
  1300     CFLAGS="$save_CFLAGS"
  1301 
  1302     if test x$have_gcc_preferred_stack_boundary = xyes; then
  1303         EXTRA_CFLAGS="$EXTRA_CFLAGS -mpreferred-stack-boundary=2"
  1304     fi
  1305 }
  1306 
  1307 dnl See if GCC's -Wdeclaration-after-statement is supported.
  1308 dnl  This lets us catch things that would fail on a C89 compiler when using
  1309 dnl  a modern GCC.
  1310 CheckDeclarationAfterStatement()
  1311 {
  1312     AC_MSG_CHECKING(for GCC -Wdeclaration-after-statement option)
  1313     have_gcc_declaration_after_statement=no
  1314 
  1315     save_CFLAGS="$CFLAGS"
  1316     CFLAGS="$save_CFLAGS -Wdeclaration-after-statement -Werror=declaration-after-statement"
  1317     AC_TRY_COMPILE([
  1318     int x = 0;
  1319     ],[
  1320     ],[
  1321     have_gcc_declaration_after_statement=yes
  1322     ])
  1323     AC_MSG_RESULT($have_gcc_declaration_after_statement)
  1324     CFLAGS="$save_CFLAGS"
  1325 
  1326     if test x$have_gcc_declaration_after_statement = xyes; then
  1327         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wdeclaration-after-statement -Werror=declaration-after-statement"
  1328     fi
  1329 }
  1330 
  1331 dnl See if GCC's -Wall is supported.
  1332 CheckWarnAll()
  1333 {
  1334     AC_MSG_CHECKING(for GCC -Wall option)
  1335     have_gcc_Wall=no
  1336 
  1337     save_CFLAGS="$CFLAGS"
  1338     CFLAGS="$save_CFLAGS -Wall"
  1339     AC_TRY_COMPILE([
  1340     int x = 0;
  1341     ],[
  1342     ],[
  1343     have_gcc_Wall=yes
  1344     ])
  1345     AC_MSG_RESULT($have_gcc_Wall)
  1346     CFLAGS="$save_CFLAGS"
  1347 
  1348     if test x$have_gcc_Wall = xyes; then
  1349         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
  1350 
  1351         dnl Haiku headers use multicharacter constants all over the place. Ignore these warnings when using -Wall.
  1352         AC_MSG_CHECKING(for necessary GCC -Wno-multichar option)
  1353         need_gcc_Wno_multichar=no
  1354         case "$host" in
  1355             *-*-haiku*)
  1356                 need_gcc_Wno_multichar=yes
  1357                 ;;
  1358         esac
  1359         AC_MSG_RESULT($need_gcc_Wno_multichar)
  1360         if test x$need_gcc_Wno_multichar = xyes; then
  1361             EXTRA_CFLAGS="$EXTRA_CFLAGS -Wno-multichar"
  1362         fi
  1363     fi
  1364 }
  1365 
  1366 dnl Check for Wayland
  1367 CheckWayland()
  1368 {
  1369     AC_ARG_ENABLE(video-wayland,
  1370 AC_HELP_STRING([--enable-video-wayland], [use Wayland video driver [[default=yes]]]),
  1371                   ,enable_video_wayland=yes)
  1372 
  1373     AC_ARG_ENABLE(video-wayland-qt-touch,
  1374 AC_HELP_STRING([--enable-video-wayland-qt-touch], [QtWayland server support for Wayland video driver [[default=yes]]]),
  1375                   ,enable_video_wayland_qt_touch=yes)
  1376 
  1377     if test x$enable_video = xyes -a x$enable_video_wayland = xyes; then
  1378         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1379         AC_MSG_CHECKING(for Wayland support)
  1380         video_wayland=no
  1381         if  test x$PKG_CONFIG != xno && \
  1382             test x$video_opengl_egl = xyes && \
  1383             test x$video_opengles_v2 = xyes; then
  1384             if $PKG_CONFIG --exists wayland-client wayland-scanner wayland-protocols wayland-egl wayland-cursor egl xkbcommon ; then
  1385                 WAYLAND_CFLAGS=`$PKG_CONFIG --cflags wayland-client wayland-egl wayland-cursor xkbcommon`
  1386                 WAYLAND_LIBS=`$PKG_CONFIG --libs wayland-client wayland-egl wayland-cursor xkbcommon`
  1387                 WAYLAND_SCANNER=`$PKG_CONFIG --variable=wayland_scanner wayland-scanner`
  1388                 WAYLAND_CORE_PROTOCOL_DIR=`$PKG_CONFIG --variable=pkgdatadir wayland-client`
  1389                 WAYLAND_PROTOCOLS_DIR=`$PKG_CONFIG --variable=pkgdatadir wayland-protocols`
  1390                 video_wayland=yes
  1391             fi
  1392         fi
  1393         AC_MSG_RESULT($video_wayland)
  1394 
  1395         if test x$video_wayland = xyes; then
  1396             AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND, 1, [ ])
  1397             if test x$enable_video_wayland_qt_touch = xyes; then
  1398                 AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH, 1, [ ])
  1399             fi
  1400 
  1401             WAYLAND_PROTOCOLS_UNSTABLE="relative-pointer-unstable-v1 pointer-constraints-unstable-v1"
  1402 
  1403             SOURCES="$SOURCES $srcdir/src/video/wayland/*.c"
  1404             EXTRA_CFLAGS="$EXTRA_CFLAGS $WAYLAND_CFLAGS -I\$(gen)"
  1405             AC_ARG_ENABLE(wayland-shared,
  1406 AC_HELP_STRING([--enable-wayland-shared], [dynamically load Wayland support [[default=maybe]]]),
  1407                           , enable_wayland_shared=maybe)
  1408 
  1409             dnl FIXME: Do BSD and OS X need special cases?
  1410             case "$host" in
  1411                 *)
  1412                     wayland_client_lib=[`find_lib "libwayland-client.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1413                     wayland_egl_lib=[`find_lib "libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1414                     if test x$wayland_egl_lib = x; then
  1415                         dnl This works in Ubuntu 13.10, maybe others
  1416                         wayland_egl_lib=[`find_lib "mesa-egl/libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1417                     fi
  1418                     wayland_cursor_lib=[`find_lib "libwayland-cursor.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1419                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1420                     ;;
  1421             esac
  1422 
  1423             if test x$enable_wayland_shared = xmaybe; then
  1424                 enable_wayland_shared=yes
  1425             fi
  1426             if test x$have_loadso != xyes && \
  1427                test x$enable_wayland_shared = xyes; then
  1428                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Wayland loading])
  1429                 enable_wayland_shared=no
  1430             fi
  1431             if test x$have_loadso = xyes && \
  1432                test x$enable_wayland_shared = xyes && \
  1433                test x$wayland_client_lib != x && \
  1434                test x$wayland_egl_lib != x && \
  1435                test x$wayland_cursor_lib != x && \
  1436                test x$xkbcommon_lib != x; then
  1437                 echo "-- dynamic libwayland-client -> $wayland_client_lib"
  1438                 echo "-- dynamic libwayland-egl -> $wayland_egl_lib"
  1439                 echo "-- dynamic libwayland-cursor -> $wayland_cursor_lib"
  1440                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1441                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC, "$wayland_client_lib", [ ])
  1442                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_EGL, "$wayland_egl_lib", [ ])
  1443                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_CURSOR, "$wayland_cursor_lib", [ ])
  1444                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1445                 SUMMARY_video="${SUMMARY_video} wayland(dynamic)"
  1446             else
  1447                 enable_wayland_shared=no
  1448                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $WAYLAND_LIBS"
  1449                 SUMMARY_video="${SUMMARY_video} wayland"
  1450             fi
  1451             have_video=yes
  1452         fi
  1453     fi
  1454 }
  1455 
  1456 dnl Check for Mir
  1457 CheckMir()
  1458 {
  1459     AC_ARG_ENABLE(video-mir,
  1460 AC_HELP_STRING([--enable-video-mir], [use Mir video driver [[default=yes]]]),
  1461                   ,enable_video_mir=yes)
  1462 
  1463     if test x$enable_video = xyes -a x$enable_video_mir = xyes; then
  1464         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1465         AC_MSG_CHECKING(for Mir support)
  1466         video_mir=no
  1467         if test x$PKG_CONFIG != xno; then
  1468             if $PKG_CONFIG --exists mirclient egl xkbcommon ; then
  1469                 MIR_CFLAGS=`$PKG_CONFIG --cflags mirclient egl xkbcommon`
  1470                 MIR_LIBS=`$PKG_CONFIG --libs mirclient egl xkbcommon`
  1471                 save_CFLAGS="$CFLAGS"
  1472                 CFLAGS="$save_CFLAGS $MIR_CFLAGS"
  1473 
  1474                 dnl This will disable Mir if >= v0.26 is not available
  1475                 AC_TRY_COMPILE([
  1476                 #include <mir_toolkit/mir_client_library.h>
  1477                 ],[
  1478                     MirWindowAttrib attrib = mir_window_attrib_state
  1479                 ],[
  1480                 video_mir=yes
  1481                 ])
  1482                 CFLAGS="$save_CFLAGS"
  1483             fi
  1484         fi
  1485         AC_MSG_RESULT($video_mir)
  1486 
  1487         if test x$video_mir = xyes; then
  1488             AC_DEFINE(SDL_VIDEO_DRIVER_MIR, 1, [ ])
  1489             SOURCES="$SOURCES $srcdir/src/video/mir/*.c"
  1490             EXTRA_CFLAGS="$EXTRA_CFLAGS $MIR_CFLAGS"
  1491             AC_ARG_ENABLE(mir-shared,
  1492 AC_HELP_STRING([--enable-mir-shared], [dynamically load Mir support [[default=maybe]]]),
  1493                           , enable_mir_shared=maybe)
  1494 
  1495             dnl FIXME: Do BSD and OS X need special cases?
  1496             case "$host" in
  1497                 *)
  1498                     mirclient_lib=[`find_lib "libmirclient.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1499                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1500                     ;;
  1501             esac
  1502 
  1503             if test x$enable_mir_shared = xmaybe; then
  1504                 enable_mir_shared=yes
  1505             fi
  1506             if test x$have_loadso != xyes && \
  1507                test x$enable_mir_shared = xyes; then
  1508                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Mir loading])
  1509                 enable_mir_shared=no
  1510             fi
  1511             if test x$have_loadso = xyes && \
  1512                test x$enable_mir_shared = xyes && \
  1513                test x$mirclient_lib != x && \
  1514                test x$xkbcommon_lib != x; then
  1515                 echo "-- dynamic libmirclient -> $mirclient_lib"
  1516                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1517                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC, "$mirclient_lib", [ ])
  1518                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1519                 SUMMARY_video="${SUMMARY_video} mir(dynamic)"
  1520             else
  1521                 enable_mir_shared=no
  1522                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MIR_LIBS"
  1523                 SUMMARY_video="${SUMMARY_video} mir"
  1524             fi
  1525             have_video=yes
  1526         fi
  1527     fi
  1528 }
  1529 
  1530 dnl Check for Native Client stuff
  1531 CheckNativeClient()
  1532 {
  1533         AC_TRY_COMPILE([
  1534           #if !defined(__native_client__)
  1535           #error "NO NACL"
  1536           #endif
  1537         ],[
  1538         ],[
  1539         AC_DEFINE(SDL_VIDEO_DRIVER_NACL, 1, [ ])
  1540         AC_DEFINE(SDL_AUDIO_DRIVER_NACL, 1, [ ])
  1541         AC_DEFINE(HAVE_POW, 1, [ ])
  1542         AC_DEFINE(HAVE_OPENGLES2, 1, [ ])
  1543         AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  1544         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  1545 
  1546         SDL_LIBS="-lppapi_simple -lppapi_gles2 $SDL_LIBS"
  1547 
  1548         SDLMAIN_SOURCES="$srcdir/src/main/nacl/*.c"
  1549         SOURCES="$SOURCES $srcdir/src/audio/nacl/*.c"
  1550         SUMMARY_audio="${SUMMARY_audio} nacl"
  1551         SOURCES="$SOURCES $srcdir/src/video/nacl/*.c"
  1552         SUMMARY_video="${SUMMARY_video} nacl opengles2"
  1553         ])
  1554 }
  1555 
  1556 
  1557 dnl Find the X11 include and library directories
  1558 CheckX11()
  1559 {
  1560 
  1561 
  1562     AC_ARG_ENABLE(video-x11,
  1563 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
  1564                   , enable_video_x11=yes)
  1565     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
  1566         case "$host" in
  1567             *-*-darwin*)
  1568                 # This isn't necessary for X11, but fixes GLX detection
  1569                 if test "x$x_includes" = xNONE && \
  1570                    test "x$x_libraries" = xNONE && \
  1571                    test -d /usr/X11R6/include && \
  1572                    test -d /usr/X11R6/lib; then
  1573                     x_includes="/usr/X11R6/include"
  1574                     x_libraries="/usr/X11R6/lib"
  1575                 fi
  1576                 ;;
  1577         esac
  1578         AC_PATH_X
  1579         AC_PATH_XTRA
  1580         if test x$have_x = xyes; then
  1581             AC_ARG_ENABLE(x11-shared,
  1582 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
  1583                           , enable_x11_shared=maybe)
  1584 
  1585             case "$host" in
  1586                 *-*-darwin*)
  1587                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
  1588                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
  1589                     xcursor_lib='/usr/X11R6/lib/libXcursor.1.dylib'
  1590                     xinerama_lib='/usr/X11R6/lib/libXinerama.1.dylib'
  1591                     xinput_lib='/usr/X11R6/lib/libXi.6.dylib'
  1592                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
  1593                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
  1594                     xss_lib='/usr/X11R6/lib/libXss.1.dylib'
  1595                     xvidmode_lib='/usr/X11R6/lib/libXxf86vm.1.dylib'
  1596                     ;;
  1597                 *-*-openbsd*)
  1598                     x11_lib='libX11.so'
  1599                     x11ext_lib='libXext.so'
  1600                     xcursor_lib='libXcursor.so'
  1601                     xinerama_lib='libXinerama.so'
  1602                     xinput_lib='libXi.so'
  1603                     xrandr_lib='libXrandr.so'
  1604                     xrender_lib='libXrender.so'
  1605                     xss_lib='libXss.so'
  1606                     xvidmode_lib='libXxf86vm.so'
  1607                     ;;
  1608                 *)
  1609                     x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1610                     x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1611                     xcursor_lib=[`find_lib "libXcursor.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1612                     xinerama_lib=[`find_lib "libXinerama.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1613                     xinput_lib=[`find_lib "libXi.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1614                     xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1615                     xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1616                     xss_lib=[`find_lib "libXss.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1617                     xvidmode_lib=[`find_lib "libXxf86vm.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1618                     ;;
  1619             esac
  1620 
  1621             if test x$ac_cv_func_shmat != xyes; then
  1622                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
  1623             fi
  1624             CFLAGS="$CFLAGS $X_CFLAGS"
  1625             LDFLAGS="$LDFLAGS $X_LIBS"
  1626 
  1627             AC_CHECK_HEADER(X11/extensions/Xext.h,
  1628                             have_xext_h_hdr=yes,
  1629                             have_xext_h_hdr=no,
  1630                             [#include <X11/Xlib.h>
  1631                              #include <X11/Xproto.h>
  1632                             ])
  1633             if test x$have_xext_h_hdr != xyes; then
  1634                AC_MSG_ERROR([
  1635 *** Missing Xext.h, maybe you need to install the libxext-dev package?
  1636                ])
  1637             fi
  1638 
  1639             AC_DEFINE(SDL_VIDEO_DRIVER_X11, 1, [ ])
  1640             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
  1641             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
  1642 
  1643             # Needed so SDL applications can include SDL_syswm.h
  1644             SDL_CFLAGS="$SDL_CFLAGS $X_CFLAGS"
  1645 
  1646             if test x$enable_x11_shared = xmaybe; then
  1647                 enable_x11_shared=yes
  1648             fi
  1649             if test x$have_loadso != xyes && \
  1650                test x$enable_x11_shared = xyes; then
  1651                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
  1652                 enable_x11_shared=no
  1653             fi
  1654             if test x$have_loadso = xyes && \
  1655                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
  1656                 echo "-- dynamic libX11 -> $x11_lib"
  1657                 echo "-- dynamic libX11ext -> $x11ext_lib"
  1658                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib", [ ])
  1659                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib", [ ])
  1660                 SUMMARY_video="${SUMMARY_video} x11(dynamic)"
  1661             else
  1662                 enable_x11_shared=no
  1663                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
  1664                 SUMMARY_video="${SUMMARY_video} x11"
  1665             fi
  1666             have_video=yes
  1667 
  1668             AC_MSG_CHECKING(for const parameter to XextAddDisplay)
  1669             have_const_param_XextAddDisplay=no
  1670             AC_TRY_COMPILE([
  1671               #include <X11/Xlib.h>
  1672               #include <X11/Xproto.h>
  1673               #include <X11/extensions/Xext.h>
  1674               #include <X11/extensions/extutil.h>
  1675               extern XExtDisplayInfo* XextAddDisplay(XExtensionInfo* a,Display* b,_Xconst char* c,XExtensionHooks* d,int e,XPointer f);
  1676             ],[
  1677             ],[
  1678             have_const_param_XextAddDisplay=yes
  1679             AC_DEFINE([SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY], 1, [ ])
  1680             ])
  1681             AC_MSG_RESULT($have_const_param_XextAddDisplay)
  1682 
  1683             dnl AC_CHECK_LIB(X11, XGetEventData, AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS, 1, [Have XGenericEvent]))
  1684             AC_MSG_CHECKING([for XGenericEvent])
  1685             have_XGenericEvent=no
  1686             AC_TRY_COMPILE([
  1687               	#include <X11/Xlib.h>
  1688             ],[
  1689 Display *display;
  1690 XEvent event;
  1691 XGenericEventCookie *cookie = &event.xcookie;
  1692 XNextEvent(display, &event);
  1693 XGetEventData(display, cookie);
  1694 XFreeEventData(display, cookie);
  1695             ],[
  1696                 have_XGenericEvent=yes
  1697                 AC_DEFINE([SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS], 1, [ ])
  1698             ])
  1699             AC_MSG_RESULT($have_XGenericEvent)
  1700 
  1701             AC_CHECK_LIB(X11, XkbKeycodeToKeysym, AC_DEFINE(SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM, 1, [Have XkbKeycodeToKeysym]))
  1702 
  1703             AC_ARG_ENABLE(video-x11-xcursor,
  1704 AC_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [[default=yes]]]),
  1705                             , enable_video_x11_xcursor=yes)
  1706             if test x$enable_video_x11_xcursor = xyes; then
  1707                 definitely_enable_video_x11_xcursor=no
  1708                 AC_CHECK_HEADER(X11/Xcursor/Xcursor.h,
  1709                                 have_xcursor_h_hdr=yes,
  1710                                 have_xcursor_h_hdr=no,
  1711                                 [#include <X11/Xlib.h>
  1712                                 ])
  1713                 if test x$have_xcursor_h_hdr = xyes; then
  1714                     if test x$enable_x11_shared = xyes && test x$xcursor_lib != x ; then
  1715                         echo "-- dynamic libXcursor -> $xcursor_lib"
  1716                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR, "$xcursor_lib", [ ])
  1717                         definitely_enable_video_x11_xcursor=yes
  1718                     else
  1719                         AC_CHECK_LIB(Xcursor, XcursorImageCreate, have_xcursor_lib=yes)
  1720                         if test x$have_xcursor_lib = xyes ; then
  1721                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXcursor"
  1722                             definitely_enable_video_x11_xcursor=yes
  1723                         fi
  1724                     fi
  1725                 fi
  1726             fi
  1727             if test x$definitely_enable_video_x11_xcursor = xyes; then
  1728                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XCURSOR, 1, [ ])
  1729                 SUMMARY_video_x11="${SUMMARY_video_x11} xcursor"
  1730             fi
  1731             AC_ARG_ENABLE(video-x11-xdbe,
  1732 AC_HELP_STRING([--enable-video-x11-xdbe], [enable X11 Xdbe support [[default=yes]]]),
  1733                             , enable_video_x11_xdbe=yes)
  1734             if test x$enable_video_x11_xdbe = xyes; then
  1735                 AC_CHECK_HEADER(X11/extensions/Xdbe.h,
  1736                                 have_dbe_h_hdr=yes,
  1737                                 have_dbe_h_hdr=no,
  1738                                 [#include <X11/Xlib.h>
  1739                                 ])
  1740                 if test x$have_dbe_h_hdr = xyes; then
  1741                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XDBE, 1, [ ])
  1742                     SUMMARY_video_x11="${SUMMARY_video_x11} xdbe"
  1743                 fi
  1744             fi
  1745             AC_ARG_ENABLE(video-x11-xinerama,
  1746 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
  1747                             , enable_video_x11_xinerama=yes)
  1748             if test x$enable_video_x11_xinerama = xyes; then
  1749                 definitely_enable_video_x11_xinerama=no
  1750                 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
  1751                                 have_xinerama_h_hdr=yes,
  1752                                 have_xinerama_h_hdr=no,
  1753                                 [#include <X11/Xlib.h>
  1754                                 ])
  1755                 if test x$have_xinerama_h_hdr = xyes; then
  1756                     if test x$enable_x11_shared = xyes && test x$xinerama_lib != x ; then
  1757                         echo "-- dynamic libXinerama -> $xinerama_lib"
  1758                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA, "$xinerama_lib", [ ])
  1759                         definitely_enable_video_x11_xinerama=yes
  1760                     else
  1761                         AC_CHECK_LIB(Xinerama, XineramaQueryExtension, have_xinerama_lib=yes)
  1762                         if test x$have_xinerama_lib = xyes ; then
  1763                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXinerama"
  1764                             definitely_enable_video_x11_xinerama=yes
  1765                         fi
  1766                     fi
  1767                 fi
  1768             fi
  1769             if test x$definitely_enable_video_x11_xinerama = xyes; then
  1770                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA, 1, [ ])
  1771                 SUMMARY_video_x11="${SUMMARY_video_x11} xinerama"
  1772             fi
  1773             AC_ARG_ENABLE(video-x11-xinput,
  1774 AC_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [[default=yes]]]),
  1775                             , enable_video_x11_xinput=yes)
  1776             if test x$enable_video_x11_xinput = xyes; then
  1777                 definitely_enable_video_x11_xinput=no
  1778                 AC_CHECK_HEADER(X11/extensions/XInput2.h,
  1779                                 have_xinput_h_hdr=yes,
  1780                                 have_xinput_h_hdr=no,
  1781                                 [#include <X11/Xlib.h>
  1782                                 ])
  1783                 if test x$have_xinput_h_hdr = xyes; then
  1784                     if test x$enable_x11_shared = xyes && test x$xinput_lib != x ; then
  1785                         echo "-- dynamic libXi -> $xinput_lib"
  1786                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2, "$xinput_lib", [ ])
  1787                         definitely_enable_video_x11_xinput=yes
  1788                     else
  1789                         AC_CHECK_LIB(Xi, XOpenDevice, have_xinput_lib=yes)
  1790                         if test x$have_xinput_lib = xyes ; then
  1791                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXi"
  1792                             definitely_enable_video_x11_xinput=yes
  1793                         fi
  1794                     fi
  1795                 fi
  1796             fi
  1797             if test x$definitely_enable_video_x11_xinput = xyes; then
  1798                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2"
  1799                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2, 1, [ ])
  1800                 AC_MSG_CHECKING(for xinput2 multitouch)
  1801             	have_xinput2_multitouch=no
  1802             	AC_TRY_COMPILE([
  1803               		#include <X11/Xlib.h>
  1804              		#include <X11/Xproto.h>
  1805 			#include <X11/extensions/XInput2.h>
  1806             	],[
  1807 int event_type = XI_TouchBegin;
  1808 XITouchClassInfo *t;
  1809             	],[
  1810             	have_xinput2_multitouch=yes
  1811             	AC_DEFINE([SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH], 1, [])
  1812                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2_multitouch"
  1813             	])
  1814             	AC_MSG_RESULT($have_xinput2_multitouch)
  1815             fi
  1816             AC_ARG_ENABLE(video-x11-xrandr,
  1817 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
  1818                             , enable_video_x11_xrandr=yes)
  1819             if test x$enable_video_x11_xrandr = xyes; then
  1820                 dnl XRRScreenResources is only present in Xrandr >= 1.2, we use that as a test.
  1821                 definitely_enable_video_x11_xrandr=no
  1822                 have_xrandr_h_hdr=no
  1823                 AC_TRY_COMPILE([
  1824                 #include <X11/Xlib.h>
  1825                 #include <X11/extensions/Xrandr.h>
  1826                 ],[
  1827                 XRRScreenResources *res = NULL;
  1828                 ],[
  1829                 have_xrandr_h_hdr=yes
  1830                 ])
  1831                 if test x$have_xrandr_h_hdr = xyes; then
  1832                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
  1833                         echo "-- dynamic libXrandr -> $xrandr_lib"
  1834                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib", [ ])
  1835                         definitely_enable_video_x11_xrandr=yes
  1836                     else
  1837                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
  1838                         if test x$have_xrandr_lib = xyes ; then
  1839                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr"
  1840                             definitely_enable_video_x11_xrandr=yes
  1841                         fi
  1842                     fi
  1843                 fi
  1844             fi
  1845             if test x$definitely_enable_video_x11_xrandr = xyes; then
  1846                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR, 1, [ ])
  1847                 SUMMARY_video_x11="${SUMMARY_video_x11} xrandr"
  1848             fi
  1849             AC_ARG_ENABLE(video-x11-scrnsaver,
  1850 AC_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [[default=yes]]]),
  1851                             , enable_video_x11_scrnsaver=yes)
  1852             if test x$enable_video_x11_scrnsaver = xyes; then
  1853                 AC_CHECK_HEADER(X11/extensions/scrnsaver.h,
  1854                                 have_scrnsaver_h_hdr=yes,
  1855                                 have_scrnsaver_h_hdr=no,
  1856                                 [#include <X11/Xlib.h>
  1857                                 ])
  1858                 if test x$have_scrnsaver_h_hdr = xyes; then
  1859                     if test x$enable_x11_shared = xyes && test x$xss_lib != x ; then
  1860                         echo "-- dynamic libXss -> $xss_lib"
  1861                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS, "$xss_lib", [ ])
  1862                         definitely_enable_video_x11_scrnsaver=yes
  1863                     else
  1864                         AC_CHECK_LIB(Xss, XScreenSaverSuspend, have_xss_lib=yes)
  1865                         if test x$have_xss_lib = xyes ; then
  1866                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXss"
  1867                             definitely_enable_video_x11_scrnsaver=yes
  1868                         fi
  1869                     fi
  1870                 fi
  1871             fi
  1872             if test x$definitely_enable_video_x11_scrnsaver = xyes; then
  1873                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSCRNSAVER, 1, [ ])
  1874                 SUMMARY_video_x11="${SUMMARY_video_x11} xscrnsaver"
  1875             fi
  1876             AC_ARG_ENABLE(video-x11-xshape,
  1877 AC_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [[default=yes]]]),
  1878                             , enable_video_x11_xshape=yes)
  1879             if test x$enable_video_x11_xshape = xyes; then
  1880                 AC_CHECK_HEADER(X11/extensions/shape.h,
  1881                                 have_shape_h_hdr=yes,
  1882                                 have_shape_h_hdr=no,
  1883                                 [#include <X11/Xlib.h>
  1884                                 ])
  1885                 if test x$have_shape_h_hdr = xyes; then
  1886                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSHAPE, 1, [ ])
  1887                     SUMMARY_video_x11="${SUMMARY_video_x11} xshape"
  1888                 fi
  1889             fi
  1890             AC_ARG_ENABLE(video-x11-vm,
  1891 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
  1892                             , enable_video_x11_vm=yes)
  1893             if test x$enable_video_x11_vm = xyes; then
  1894                 definitely_enable_video_x11_vm=no
  1895                 AC_CHECK_HEADER(X11/extensions/xf86vmode.h,
  1896                                 have_vm_h_hdr=yes,
  1897                                 have_vm_h_hdr=no,
  1898                                 [#include <X11/Xlib.h>
  1899                                 ])
  1900                 if test x$have_vm_h_hdr = xyes; then
  1901                     if test x$enable_x11_shared = xyes && test x$xvidmode_lib != x ; then
  1902                         echo "-- dynamic libXxf86vm -> $xvidmode_lib"
  1903                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE, "$xvidmode_lib", [ ])
  1904                         definitely_enable_video_x11_vm=yes
  1905                     else
  1906                         AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, have_vm_lib=yes)
  1907                         if test x$have_vm_lib = xyes ; then
  1908                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXxf86vm"
  1909                             definitely_enable_video_x11_vm=yes
  1910                         fi
  1911                     fi
  1912                 fi
  1913             fi
  1914             if test x$definitely_enable_video_x11_vm = xyes; then
  1915                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XVIDMODE, 1, [ ])
  1916                 SUMMARY_video_x11="${SUMMARY_video_x11} xvidmode"
  1917             fi
  1918         fi
  1919     fi
  1920 }
  1921 
  1922 dnl Set up the Vivante video driver if enabled
  1923 CheckVivanteVideo()
  1924 {
  1925     AC_ARG_ENABLE(video-vivante,
  1926 AC_HELP_STRING([--enable-video-vivante], [use Vivante EGL video driver [[default=yes]]]),
  1927                   , enable_video_vivante=yes)
  1928     if test x$enable_video = xyes -a x$enable_video_vivante = xyes; then
  1929         AC_MSG_CHECKING(for Vivante VDK API)
  1930         have_vivante_vdk=no
  1931         AC_TRY_COMPILE([
  1932           #define LINUX
  1933           #define EGL_API_FB
  1934           #include <gc_vdk.h>
  1935         ],[
  1936         ],[
  1937         have_vivante_vdk=yes
  1938         ])
  1939         AC_MSG_RESULT($have_vivante_vdk)
  1940 
  1941         AC_MSG_CHECKING(for Vivante FB API)
  1942         have_vivante_egl=no
  1943         AC_TRY_COMPILE([
  1944           #define LINUX
  1945           #define EGL_API_FB
  1946           #include <EGL/eglvivante.h>
  1947         ],[
  1948         ],[
  1949         have_vivante_egl=yes
  1950         ])
  1951         AC_MSG_RESULT($have_vivante_egl)
  1952 
  1953         if test x$have_vivante_vdk = xyes -o x$have_vivante_egl = xyes; then
  1954             AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE, 1, [ ])
  1955             EXTRA_CFLAGS="$EXTRA_CFLAGS -DLINUX -DEGL_API_FB"
  1956             if test x$have_vivante_vdk = xyes; then
  1957                 AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE_VDK, 1, [ ])
  1958                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lVDK"
  1959             fi
  1960             SOURCES="$SOURCES $srcdir/src/video/vivante/*.c"
  1961             SUMMARY_video="${SUMMARY_video} vivante"
  1962             have_video=yes
  1963         fi
  1964     fi
  1965 }
  1966 
  1967 dnl Set up the Haiku video driver if enabled
  1968 CheckHaikuVideo()
  1969 {
  1970     if test x$enable_video = xyes; then
  1971         AC_DEFINE(SDL_VIDEO_DRIVER_HAIKU, 1, [ ])
  1972         SOURCES="$SOURCES $srcdir/src/video/haiku/*.cc"
  1973         have_video=yes
  1974         SUMMARY_video="${SUMMARY_video} haiku"
  1975     fi
  1976 }
  1977 
  1978 dnl Set up the Cocoa video driver for Mac OS X (but not Darwin)
  1979 CheckCOCOA()
  1980 {
  1981     AC_ARG_ENABLE(video-cocoa,
  1982 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]]),
  1983                   , enable_video_cocoa=yes)
  1984     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  1985         save_CFLAGS="$CFLAGS"
  1986         dnl work around that we don't have Objective-C support in autoconf
  1987         CFLAGS="$CFLAGS -x objective-c"
  1988         AC_MSG_CHECKING(for Cocoa framework)
  1989         have_cocoa=no
  1990         AC_TRY_COMPILE([
  1991           #import <Cocoa/Cocoa.h>
  1992         ],[
  1993         ],[
  1994         have_cocoa=yes
  1995         ])
  1996         AC_MSG_RESULT($have_cocoa)
  1997         CFLAGS="$save_CFLAGS"
  1998         if test x$have_cocoa = xyes; then
  1999             AC_DEFINE(SDL_VIDEO_DRIVER_COCOA, 1, [ ])
  2000             SOURCES="$SOURCES $srcdir/src/video/cocoa/*.m"
  2001             SUMMARY_video="${SUMMARY_video} cocoa"
  2002             have_video=yes
  2003         fi
  2004     fi
  2005 }
  2006 
  2007 dnl Find DirectFB
  2008 CheckDirectFB()
  2009 {
  2010     AC_ARG_ENABLE(video-directfb,
  2011 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),
  2012                   , enable_video_directfb=no)
  2013     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
  2014         video_directfb=no
  2015 
  2016         DIRECTFB_REQUIRED_VERSION=1.0.0
  2017         AC_PATH_PROGS(DIRECTFBCONFIG, directfb-config, no, [$prefix/bin:$PATH])
  2018         if test x$DIRECTFBCONFIG = xno; then
  2019             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2020             if test x$PKG_CONFIG != xno; then
  2021                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
  2022                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
  2023                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
  2024                     DIRECTFB_PREFIX=`$PKG_CONFIG --variable=prefix directfb`
  2025                     video_directfb=yes
  2026                 fi
  2027             fi
  2028         else
  2029             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
  2030             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  2031             set -- `$DIRECTFBCONFIG --version | sed 's/\./ /g'`
  2032             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  2033             if test $HAVE_VERSION -ge $NEED_VERSION; then
  2034                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
  2035                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
  2036                 DIRECTFB_PREFIX=`$DIRECTFBCONFIG --prefix`
  2037                 video_directfb=yes
  2038             fi
  2039         fi
  2040         if test x$video_directfb = xyes; then
  2041             # SuSE 11.1 installs directfb-config without directfb-devel
  2042             save_CPPFLAGS="$CPPFLAGS"
  2043             CPPFLAGS="$CPPFLAGS $DIRECTFB_CFLAGS"
  2044             AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no)
  2045             CPPFLAGS="$save_CPPFLAGS"
  2046             video_directfb=$have_directfb_hdr
  2047         fi
  2048         AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
  2049         AC_MSG_RESULT($video_directfb)
  2050 
  2051         if test x$video_directfb = xyes; then
  2052             AC_ARG_ENABLE(directfb-shared,
  2053 AC_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [[default=yes]]]),
  2054                               , enable_directfb_shared=yes)
  2055 
  2056             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB, 1, [ ])
  2057             AC_DEFINE(SDL_VIDEO_RENDER_DIRECTFB, 1, [ ])
  2058             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
  2059             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
  2060 
  2061             AC_MSG_CHECKING(for directfb dynamic loading support)
  2062             directfb_shared=no
  2063             directfb_lib=[`find_lib "libdirectfb*.so.*" "$DIRECTFB_LIBS"`]
  2064             # | sed 's/.*\/\(.*\)/\1/; q'`]
  2065 AC_MSG_WARN("directfb $directfb_lib")
  2066             if test x$have_loadso != xyes && \
  2067                test x$enable_directfb_shared = xyes; then
  2068                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic directfb loading])
  2069             fi
  2070             if test x$have_loadso = xyes && \
  2071                test x$enable_directfb_shared = xyes && test x$directfb_lib != x; then
  2072                 directfb_shared=yes
  2073                 echo "-- $directfb_lib_spec -> $directfb_lib"
  2074                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC, "$directfb_lib", [ ])
  2075                 SUMMARY_video="${SUMMARY_video} directfb(dynamic)"
  2076             else
  2077                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
  2078                 SUMMARY_video="${SUMMARY_video} directfb"
  2079             fi
  2080             AC_MSG_RESULT($directfb_shared)
  2081             SDL_CFLAGS="$SDL_CFLAGS $DIRECTFB_CFLAGS"
  2082             have_video=yes
  2083         fi
  2084     fi
  2085 }
  2086 
  2087 dnl rcg04172001 Set up the Null video driver.
  2088 CheckDummyVideo()
  2089 {
  2090     AC_ARG_ENABLE(video-dummy,
  2091 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
  2092                   , enable_video_dummy=yes)
  2093     if test x$enable_video_dummy = xyes; then
  2094         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ])
  2095         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
  2096         have_video=yes
  2097         SUMMARY_video="${SUMMARY_video} dummy"
  2098     fi
  2099 }
  2100 
  2101 dnl Check to see if OpenGL support is desired
  2102 AC_ARG_ENABLE(video-opengl,
  2103 AC_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),
  2104               , enable_video_opengl=yes)
  2105 
  2106 dnl Find OpenGL
  2107 CheckOpenGLX11()
  2108 {
  2109     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2110         AC_MSG_CHECKING(for OpenGL (GLX) support)
  2111         video_opengl=no
  2112         AC_TRY_COMPILE([
  2113          #include <GL/gl.h>
  2114          #include <GL/glx.h>
  2115         ],[
  2116         ],[
  2117         video_opengl=yes
  2118         ])
  2119         AC_MSG_RESULT($video_opengl)
  2120         if test x$video_opengl = xyes; then
  2121             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2122             AC_DEFINE(SDL_VIDEO_OPENGL_GLX, 1, [ ])
  2123             AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2124             SUMMARY_video="${SUMMARY_video} opengl"
  2125         fi
  2126     fi
  2127 }
  2128 
  2129 dnl Check to see if OpenGL ES support is desired
  2130 AC_ARG_ENABLE(video-opengles,
  2131 AC_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [[default=yes]]]),
  2132               , enable_video_opengles=yes)
  2133 AC_ARG_ENABLE(video-opengles1,
  2134 AC_HELP_STRING([--enable-video-opengles1], [include OpenGL ES 1.1 support [[default=yes]]]),
  2135               , enable_video_opengles1=yes)
  2136 AC_ARG_ENABLE(video-opengles2,
  2137 AC_HELP_STRING([--enable-video-opengles2], [include OpenGL ES 2.0 support [[default=yes]]]),
  2138               , enable_video_opengles2=yes)
  2139 
  2140 dnl Find OpenGL ES
  2141 CheckOpenGLESX11()
  2142 {
  2143     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2144         AC_MSG_CHECKING(for EGL support)
  2145         video_opengl_egl=no
  2146         AC_TRY_COMPILE([
  2147           #define LINUX
  2148           #define EGL_API_FB
  2149           #include <EGL/egl.h>
  2150           #include <EGL/eglext.h>
  2151         ],[
  2152         ],[
  2153         video_opengl_egl=yes
  2154         ])
  2155         AC_MSG_RESULT($video_opengl_egl)
  2156         if test x$video_opengl_egl = xyes; then
  2157             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2158         fi
  2159             
  2160         if test x$enable_video_opengles1 = xyes; then
  2161             AC_MSG_CHECKING(for OpenGL ES v1 headers)
  2162             video_opengles_v1=no
  2163             AC_TRY_COMPILE([
  2164              #include <GLES/gl.h>
  2165              #include <GLES/glext.h>
  2166             ],[
  2167             ],[
  2168             video_opengles_v1=yes
  2169             ])
  2170             AC_MSG_RESULT($video_opengles_v1)
  2171             if test x$video_opengles_v1 = xyes; then
  2172                 AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])
  2173                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])
  2174                 SUMMARY_video="${SUMMARY_video} opengl_es1"
  2175             fi
  2176         fi
  2177         
  2178         if test x$enable_video_opengles2 = xyes; then
  2179             AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2180             video_opengles_v2=no
  2181             AC_TRY_COMPILE([
  2182              #include <GLES2/gl2.h>
  2183              #include <GLES2/gl2ext.h>
  2184             ],[
  2185             ],[
  2186             video_opengles_v2=yes
  2187             ])
  2188             AC_MSG_RESULT($video_opengles_v2)
  2189             if test x$video_opengles_v2 = xyes; then
  2190                 AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2191                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2192                 SUMMARY_video="${SUMMARY_video} opengl_es2"
  2193             fi
  2194         fi
  2195     fi
  2196 }
  2197 
  2198 dnl Check for Windows OpenGL
  2199 CheckWINDOWSGL()
  2200 {
  2201     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2202         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2203         AC_DEFINE(SDL_VIDEO_OPENGL_WGL, 1, [ ])
  2204         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2205         SUMMARY_video="${SUMMARY_video} opengl"
  2206     fi
  2207 }
  2208 
  2209 dnl Check for Windows OpenGL
  2210 CheckWINDOWSGLES()
  2211 {
  2212     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2213 
  2214         AC_MSG_CHECKING(for EGL support)
  2215         video_opengl_egl=no
  2216         AC_TRY_COMPILE([
  2217          #include <EGL/egl.h>
  2218         ],[
  2219         ],[
  2220         video_opengl_egl=yes
  2221         ])
  2222         AC_MSG_RESULT($video_opengl_egl)
  2223         if test x$video_opengl_egl = xyes; then
  2224             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2225             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2226             SUMMARY_video="${SUMMARY_video} opengl_es1"
  2227         fi
  2228        
  2229         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2230         video_opengles_v2=no
  2231         AC_TRY_COMPILE([
  2232          #include <GLES2/gl2.h>
  2233          #include <GLES2/gl2ext.h>
  2234         ],[
  2235         ],[
  2236         video_opengles_v2=yes
  2237         ])
  2238         AC_MSG_RESULT($video_opengles_v2)
  2239         if test x$video_opengles_v2 = xyes; then
  2240             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2241             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2242             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2243             SUMMARY_video="${SUMMARY_video} opengl_es2"
  2244         fi
  2245     fi
  2246 }
  2247 
  2248 dnl Check for Haiku OpenGL
  2249 CheckHaikuGL()
  2250 {
  2251     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2252         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2253         AC_DEFINE(SDL_VIDEO_OPENGL_HAIKU, 1, [ ])
  2254         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2255         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  2256         SUMMARY_video="${SUMMARY_video} opengl"
  2257     fi
  2258 }
  2259 
  2260 dnl Check for MacOS OpenGL
  2261 CheckMacGL()
  2262 {
  2263     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2264         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2265         AC_DEFINE(SDL_VIDEO_OPENGL_CGL, 1, [ ])
  2266         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2267         SUMMARY_video="${SUMMARY_video} opengl"
  2268     fi
  2269 }
  2270 
  2271 CheckEmscriptenGLES()
  2272 {
  2273     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2274         AC_MSG_CHECKING(for EGL support)
  2275         video_opengl_egl=no
  2276         AC_TRY_COMPILE([
  2277          #include <EGL/egl.h>
  2278         ],[
  2279         ],[
  2280         video_opengl_egl=yes
  2281         ])
  2282         AC_MSG_RESULT($video_opengl_egl)
  2283         if test x$video_opengl_egl = xyes; then
  2284             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2285         fi
  2286 
  2287         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2288         video_opengles_v2=no
  2289         AC_TRY_COMPILE([
  2290          #include <GLES2/gl2.h>
  2291          #include <GLES2/gl2ext.h>
  2292         ],[
  2293         ],[
  2294         video_opengles_v2=yes
  2295         ])
  2296         AC_MSG_RESULT($video_opengles_v2)
  2297         if test x$video_opengles_v2 = xyes; then
  2298             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2299             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2300             SUMMARY_video="${SUMMARY_video} opengl_es2"
  2301         fi
  2302     fi
  2303 }
  2304 
  2305 dnl See if we can use the new unified event interface in Linux 2.4
  2306 CheckInputEvents()
  2307 {
  2308     dnl Check for Linux 2.4 unified input event interface support
  2309         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
  2310         use_input_events=no
  2311         AC_TRY_COMPILE([
  2312           #include <linux/input.h>
  2313         ],[
  2314           #ifndef EVIOCGNAME
  2315           #error EVIOCGNAME() ioctl not available
  2316           #endif
  2317         ],[
  2318         use_input_events=yes
  2319         ])
  2320         AC_MSG_RESULT($use_input_events)
  2321         if test x$use_input_events = xyes; then
  2322             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])
  2323             SUMMARY_input="${SUMMARY_input} linuxev"
  2324         fi
  2325 }
  2326 
  2327 dnl See if we can use the kernel kd.h header
  2328 CheckInputKD()
  2329 {
  2330 
  2331     AC_MSG_CHECKING(for Linux kd.h)
  2332     use_input_kd=no
  2333     AC_TRY_COMPILE([
  2334       #include <linux/kd.h>
  2335       #include <linux/keyboard.h>
  2336     ],[
  2337         struct kbentry kbe;
  2338         kbe.kb_table = KG_CTRL;
  2339         ioctl(0, KDGKBENT, &kbe);
  2340     ],[
  2341     use_input_kd=yes
  2342     ])
  2343     AC_MSG_RESULT($use_input_kd)
  2344     if test x$use_input_kd = xyes; then
  2345         AC_DEFINE(SDL_INPUT_LINUXKD, 1, [ ])
  2346         SUMMARY_input="${SUMMARY_input} linuxkd"
  2347     fi
  2348 }
  2349 
  2350 dnl See if the platform offers libudev for device enumeration and hotplugging.
  2351 CheckLibUDev()
  2352 {
  2353     AC_ARG_ENABLE(libudev,
  2354 AC_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),
  2355                         , enable_libudev=yes)
  2356     if test x$enable_libudev = xyes; then
  2357         AC_CHECK_HEADER(libudev.h,
  2358                         have_libudev_h_hdr=yes,
  2359                         have_libudev_h_hdr=no)
  2360         if test x$have_libudev_h_hdr = xyes; then
  2361             AC_DEFINE(HAVE_LIBUDEV_H, 1, [ ])
  2362 
  2363             udev_lib=[`find_lib "libudev.so.*" "" | sed 's/.*\/\(.*\)/\1/; q'`]
  2364             if test x$udev_lib != x; then
  2365                 echo "-- dynamic udev -> $udev_lib"
  2366                 AC_DEFINE_UNQUOTED(SDL_UDEV_DYNAMIC, "$udev_lib", [ ])
  2367             fi
  2368         fi
  2369     fi
  2370 }
  2371 
  2372 dnl See if the platform offers libdbus for various IPC techniques.
  2373 CheckDBus()
  2374 {
  2375     AC_ARG_ENABLE(dbus,
  2376 AC_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),
  2377                         , enable_dbus=yes)
  2378     if test x$enable_dbus = xyes; then
  2379         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2380         if test x$PKG_CONFIG != xno; then
  2381             DBUS_CFLAGS=`$PKG_CONFIG --cflags dbus-1`
  2382             save_CFLAGS="$CFLAGS"
  2383             CFLAGS="$save_CFLAGS $DBUS_CFLAGS"
  2384             AC_CHECK_HEADER(dbus/dbus.h,
  2385                             have_dbus_dbus_h_hdr=yes,
  2386                             have_dbus_dbus_h_hdr=no)
  2387             CFLAGS="$save_CFLAGS"
  2388             if test x$have_dbus_dbus_h_hdr = xyes; then
  2389                 AC_DEFINE(HAVE_DBUS_DBUS_H, 1, [ ])
  2390                 EXTRA_CFLAGS="$EXTRA_CFLAGS $DBUS_CFLAGS"
  2391                 SOURCES="$SOURCES $srcdir/src/core/linux/SDL_dbus.c"
  2392             fi
  2393         fi
  2394     fi
  2395 }
  2396 
  2397 dnl See if the platform wanna IME support.
  2398 CheckIME()
  2399 {
  2400     AC_ARG_ENABLE(ime,
  2401 AC_HELP_STRING([--enable-ime], [enable IME support [[default=yes]]]),
  2402                   , enable_ime=yes)
  2403     if test x$enable_ime = xyes; then
  2404         AC_DEFINE(SDL_USE_IME, 1, [ ])
  2405             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ime.c"
  2406     fi
  2407 }
  2408 
  2409 dnl See if the platform has libibus IME support.
  2410 CheckIBus()
  2411 {
  2412     AC_ARG_ENABLE(ibus,
  2413 AC_HELP_STRING([--enable-ibus], [enable IBus support [[default=yes]]]),
  2414                   , enable_ibus=yes)
  2415     if test x$enable_ibus = xyes; then
  2416         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2417         if test x$PKG_CONFIG != xno; then
  2418             IBUS_CFLAGS=`$PKG_CONFIG --cflags ibus-1.0`
  2419             save_CFLAGS="$CFLAGS"
  2420             CFLAGS="$save_CFLAGS $IBUS_CFLAGS"
  2421             AC_CHECK_HEADER(ibus-1.0/ibus.h,
  2422                             have_ibus_ibus_h_hdr=yes,
  2423                             have_ibus_ibus_h_hdr=no)
  2424             AC_CHECK_HEADER(sys/inotify.h,
  2425                             have_inotify_inotify_h_hdr=yes,
  2426                             have_inotify_inotify_h_hdr=no)
  2427             CFLAGS="$save_CFLAGS"
  2428             if test x$have_ibus_ibus_h_hdr = xyes; then
  2429                 if test x$enable_ime != xyes; then
  2430                     AC_MSG_WARN([IME support is required for IBus.])
  2431                     have_ibus_ibus_h_hdr=no
  2432                 elif test x$enable_dbus != xyes; then
  2433                     AC_MSG_WARN([DBus support is required for IBus.])
  2434                     have_ibus_ibus_h_hdr=no
  2435                 elif test x$have_inotify_inotify_h_hdr != xyes; then
  2436                     AC_MSG_WARN([INotify support is required for IBus.])
  2437                     have_ibus_ibus_h_hdr=no
  2438                 else
  2439                     AC_DEFINE(HAVE_IBUS_IBUS_H, 1, [ ])
  2440                     EXTRA_CFLAGS="$EXTRA_CFLAGS $IBUS_CFLAGS"
  2441                     SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ibus.c"
  2442                fi
  2443             fi
  2444         fi
  2445     fi
  2446 }
  2447 
  2448 dnl See if the platform has fcitx IME support.
  2449 CheckFcitx()
  2450 {
  2451     AC_ARG_ENABLE(fcitx,
  2452 AC_HELP_STRING([--enable-fcitx], [enable fcitx support [[default=yes]]]),
  2453                   , enable_fcitx=yes)
  2454     if test x$enable_fcitx = xyes; then
  2455         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2456         if test x$PKG_CONFIG != xno; then
  2457             FCITX_CFLAGS=`$PKG_CONFIG --cflags fcitx`
  2458             CFLAGS="$CFLAGS $FCITX_CFLAGS"
  2459             AC_CHECK_HEADER(fcitx/frontend.h,
  2460                             have_fcitx_frontend_h_hdr=yes,
  2461                             have_fcitx_frontend_h_hdr=no)
  2462             CFLAGS="$save_CFLAGS"
  2463             if test x$have_fcitx_frontend_h_hdr = xyes; then
  2464                 if test x$enable_ime != xyes; then
  2465                     AC_MSG_WARN([IME support is required for fcitx.])
  2466                     have_fcitx_frontend_h_hdr=no
  2467                 elif test x$enable_dbus != xyes; then
  2468                     AC_MSG_WARN([DBus support is required for fcitx.])
  2469                     have_fcitx_frontend_h_hdr=no
  2470                 else
  2471                     AC_DEFINE(HAVE_FCITX_FRONTEND_H, 1, [ ])
  2472                     EXTRA_CFLAGS="$EXTRA_CFLAGS $FCITX_CFLAGS"
  2473                     SOURCES="$SOURCES $srcdir/src/core/linux/SDL_fcitx.c"
  2474                fi
  2475             fi
  2476         fi
  2477     fi
  2478 }
  2479 
  2480 dnl See if we can use the Touchscreen input library
  2481 CheckTslib()
  2482 {
  2483     AC_ARG_ENABLE(input-tslib,
  2484 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
  2485                   , enable_input_tslib=yes)
  2486     if test x$enable_input_tslib = xyes; then
  2487         AC_MSG_CHECKING(for Touchscreen library support)
  2488         enable_input_tslib=no
  2489         AC_TRY_COMPILE([
  2490           #include "tslib.h"
  2491         ],[
  2492         ],[
  2493         enable_input_tslib=yes
  2494         ])
  2495         AC_MSG_RESULT($enable_input_tslib)
  2496         if test x$enable_input_tslib = xyes; then
  2497             AC_DEFINE(SDL_INPUT_TSLIB, 1, [ ])
  2498             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
  2499             SUMMARY_input="${SUMMARY_input} ts"
  2500         fi
  2501     fi
  2502 }
  2503 
  2504 dnl See what type of thread model to use on Linux and Solaris
  2505 CheckPTHREAD()
  2506 {
  2507     dnl Check for pthread support
  2508     AC_ARG_ENABLE(pthreads,
  2509 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
  2510                   , enable_pthreads=yes)
  2511     dnl This is used on Linux for glibc binary compatibility (Doh!)
  2512     AC_ARG_ENABLE(pthread-sem,
  2513 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
  2514                   , enable_pthread_sem=yes)
  2515     case "$host" in
  2516          *-*-androideabi*)
  2517             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2518             pthread_lib=""
  2519             ;;
  2520         *-*-linux*|*-*-uclinux*)
  2521             pthread_cflags="-D_REENTRANT"
  2522             pthread_lib="-lpthread"
  2523             ;;
  2524         *-*-bsdi*)
  2525             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2526             pthread_lib=""
  2527             ;;
  2528         *-*-darwin*)
  2529             pthread_cflags="-D_THREAD_SAFE"
  2530 # causes Carbon.p complaints?
  2531 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2532             ;;
  2533         *-*-freebsd*|*-*-dragonfly*)
  2534             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2535             pthread_lib="-pthread"
  2536             ;;
  2537         *-*-netbsd*)
  2538             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2539             pthread_lib="-lpthread"
  2540             ;;
  2541         *-*-openbsd*)
  2542             pthread_cflags="-D_REENTRANT"
  2543             pthread_lib="-pthread"
  2544             ;;
  2545         *-*-solaris2.9)
  2546             # From Solaris 9+, posix4's preferred name is rt.
  2547             pthread_cflags="-D_REENTRANT"
  2548             pthread_lib="-lpthread -lrt"
  2549             ;;
  2550         *-*-solaris2.10)
  2551             # Solaris 10+ merged pthread into libc.
  2552             pthread_cflags="-D_REENTRANT"
  2553             pthread_lib="-lrt"
  2554             ;;
  2555         *-*-solaris*)
  2556             # Solaris 11+ merged rt into libc.
  2557             pthread_cflags="-D_REENTRANT"
  2558             pthread_lib=""
  2559             ;;
  2560         *-*-sysv5*)
  2561             pthread_cflags="-D_REENTRANT -Kthread"
  2562             pthread_lib=""
  2563             ;;
  2564         *-*-aix*)
  2565             pthread_cflags="-D_REENTRANT -mthreads"
  2566             pthread_lib="-lpthread"
  2567             ;;
  2568         *-*-hpux11*)
  2569             pthread_cflags="-D_REENTRANT"
  2570             pthread_lib="-L/usr/lib -lpthread"
  2571             ;;
  2572         *-*-haiku*)
  2573             pthread_cflags="-D_REENTRANT"
  2574             pthread_lib=""
  2575             ;;
  2576         *)
  2577             pthread_cflags="-D_REENTRANT"
  2578             pthread_lib="-lpthread"
  2579             ;;
  2580     esac
  2581     if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then
  2582         # Save the original compiler flags and libraries
  2583         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2584         # Add the pthread compiler flags and libraries
  2585         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2586         # Check to see if we have pthread support on this system
  2587         AC_MSG_CHECKING(for pthreads)
  2588         use_pthreads=no
  2589         AC_TRY_LINK([
  2590          #include <pthread.h>
  2591         ],[
  2592          pthread_attr_t type;
  2593          pthread_attr_init(&type);
  2594         ],[
  2595         use_pthreads=yes
  2596         ])
  2597         AC_MSG_RESULT($use_pthreads)
  2598         # Restore the compiler flags and libraries
  2599         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2600 
  2601         # Do futher testing if we have pthread support...
  2602         if test x$use_pthreads = xyes; then
  2603             AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ])
  2604             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
  2605             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
  2606             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
  2607 
  2608             # Save the original compiler flags and libraries
  2609             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2610             # Add the pthread compiler flags and libraries
  2611             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2612 
  2613             # Check to see if recursive mutexes are available
  2614             AC_MSG_CHECKING(for recursive mutexes)
  2615             has_recursive_mutexes=no
  2616             if test x$has_recursive_mutexes = xno; then
  2617                 AC_TRY_LINK([
  2618                   #define _GNU_SOURCE 1
  2619                   #include <pthread.h>
  2620                 ],[
  2621                   pthread_mutexattr_t attr;
  2622                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
  2623                 ],[
  2624                 has_recursive_mutexes=yes
  2625                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ])
  2626                 ])
  2627             fi
  2628             if test x$has_recursive_mutexes = xno; then
  2629                 AC_TRY_LINK([
  2630                   #define _GNU_SOURCE 1
  2631                   #include <pthread.h>
  2632                 ],[
  2633                   pthread_mutexattr_t attr;
  2634                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
  2635                 ],[
  2636                 has_recursive_mutexes=yes
  2637                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ])
  2638                 ])
  2639             fi
  2640             AC_MSG_RESULT($has_recursive_mutexes)
  2641 
  2642             # Check to see if pthread semaphore support is missing
  2643             if test x$enable_pthread_sem = xyes; then
  2644                 AC_MSG_CHECKING(for pthread semaphores)
  2645                 have_pthread_sem=no
  2646                 AC_TRY_COMPILE([
  2647                   #include <pthread.h>
  2648                   #include <semaphore.h>
  2649                 ],[
  2650                 ],[
  2651                 have_pthread_sem=yes
  2652                 ])
  2653                 AC_MSG_RESULT($have_pthread_sem)
  2654             fi
  2655             if test x$have_pthread_sem = xyes; then
  2656                 AC_MSG_CHECKING(for sem_timedwait)
  2657                 have_sem_timedwait=no
  2658                 AC_TRY_LINK([
  2659                   #include <pthread.h>
  2660                   #include <semaphore.h>
  2661                 ],[
  2662                   sem_timedwait(NULL, NULL);
  2663                 ],[
  2664                 have_sem_timedwait=yes
  2665                 AC_DEFINE([HAVE_SEM_TIMEDWAIT], 1, [ ])
  2666                 ])
  2667                 AC_MSG_RESULT($have_sem_timedwait)
  2668             fi
  2669 
  2670             AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes, have_pthread_np_h=no, [ #include <pthread.h> ])
  2671             if test x$have_pthread_np_h = xyes; then
  2672                 AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ])
  2673             fi
  2674 
  2675             # Check to see if pthread naming is available
  2676             AC_MSG_CHECKING(for pthread_setname_np)
  2677             AC_TRY_LINK_FUNC(pthread_setname_np, [
  2678               has_pthread_setname_np=yes
  2679               AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ])
  2680             ],[
  2681               has_pthread_setname_np=no
  2682             ])
  2683             AC_MSG_RESULT($has_pthread_setname_np)
  2684 
  2685             AC_MSG_CHECKING(for pthread_set_name_np)
  2686             AC_TRY_LINK_FUNC(pthread_set_name_np, [
  2687               has_pthread_set_name_np=yes
  2688               AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ])
  2689             ],[
  2690               has_pthread_set_name_np=no
  2691             ])
  2692             AC_MSG_RESULT($has_pthread_set_name_np)
  2693 
  2694             # Restore the compiler flags and libraries
  2695             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2696 
  2697             # Basic thread creation functions
  2698             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
  2699 
  2700             # Semaphores
  2701             # We can fake these with mutexes and condition variables if necessary
  2702             if test x$have_pthread_sem = xyes; then
  2703                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
  2704             else
  2705                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  2706             fi
  2707 
  2708             # Mutexes
  2709             # We can fake these with semaphores if necessary
  2710             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
  2711 
  2712             # Condition variables
  2713             # We can fake these with semaphores and mutexes if necessary
  2714             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
  2715 
  2716             # Thread local storage
  2717             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systls.c"
  2718 
  2719             have_threads=yes
  2720         fi
  2721     fi
  2722 }
  2723 
  2724 dnl Determine whether the compiler can produce Windows executables
  2725 CheckWINDOWS()
  2726 {
  2727     AC_MSG_CHECKING(Windows compiler)
  2728     have_win32_gcc=no
  2729     AC_TRY_COMPILE([
  2730      #include <windows.h>
  2731     ],[
  2732     ],[
  2733     have_win32_gcc=yes
  2734     ])
  2735     AC_MSG_RESULT($have_win32_gcc)
  2736     if test x$have_win32_gcc != xyes; then
  2737        AC_MSG_ERROR([
  2738 *** Your compiler ($CC) does not produce Windows executables!
  2739        ])
  2740     fi
  2741 
  2742     AC_MSG_CHECKING(Windows CE)
  2743     have_wince=no
  2744     AC_TRY_COMPILE([
  2745 #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__)
  2746 #error This is not Windows CE
  2747 #endif
  2748     ],[
  2749     ],[
  2750     have_wince=yes
  2751        AC_MSG_ERROR([
  2752 *** Sorry, Windows CE is no longer supported.
  2753        ])
  2754     ])
  2755     AC_MSG_RESULT($have_wince)
  2756 
  2757     # This fixes Windows stack alignment with newer GCC
  2758     CheckStackBoundary
  2759 }
  2760 
  2761 dnl Find the DirectX includes and libraries
  2762 CheckDIRECTX()
  2763 {
  2764     AC_ARG_ENABLE(directx,
  2765 AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
  2766                   , enable_directx=yes)
  2767     if test x$enable_directx = xyes; then
  2768         AC_CHECK_HEADER(d3d9.h, have_d3d=yes)
  2769         AC_CHECK_HEADER(d3d11_1.h, have_d3d11=yes)
  2770         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
  2771         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
  2772         AC_CHECK_HEADER(dinput.h, have_dinput=yes)
  2773         AC_CHECK_HEADER(dxgi.h, have_dxgi=yes)
  2774         AC_CHECK_HEADER(xaudio2.h, have_xaudio2=yes)
  2775         AC_CHECK_HEADER(xinput.h, have_xinput=yes)
  2776 
  2777         if test x$have_ddraw = xyes; then
  2778             AC_DEFINE(HAVE_DDRAW_H, 1, [ ])
  2779         fi
  2780         if test x$have_dinput = xyes; then
  2781             AC_DEFINE(HAVE_DINPUT_H, 1, [ ])
  2782         fi
  2783         if test x$have_dsound = xyes; then
  2784             AC_DEFINE(HAVE_DSOUND_H, 1, [ ])
  2785         fi
  2786         if test x$have_dxgi = xyes; then
  2787             AC_DEFINE(HAVE_DXGI_H, 1, [ ])
  2788         fi
  2789         if test x$have_xinput = xyes; then
  2790             AC_DEFINE(HAVE_XINPUT_H, 1, [ ])
  2791         fi
  2792 
  2793         SUMMARY_video="${SUMMARY_video} directx"
  2794         SUMMARY_audio="${SUMMARY_audio} directx"
  2795 
  2796         # FIXME: latest Cygwin finds dinput headers, but we die on other win32 headers.
  2797         # FIXME:  ...so force it off for now.
  2798         case "$host" in
  2799             *-*-cygwin*)
  2800             have_dinput=false
  2801             ;;
  2802         esac
  2803     fi
  2804 }
  2805 
  2806 dnl Check for the dlfcn.h interface for dynamically loading objects
  2807 CheckDLOPEN()
  2808 {
  2809     AC_ARG_ENABLE(sdl-dlopen,
  2810 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
  2811                   , enable_sdl_dlopen=yes)
  2812     if test x$enable_sdl_dlopen = xyes; then
  2813         AC_MSG_CHECKING(for dlopen)
  2814         have_dlopen=no
  2815         AC_TRY_COMPILE([
  2816          #include <dlfcn.h>
  2817         ],[
  2818          void *handle = dlopen("", RTLD_NOW);
  2819          const char *loaderror = (char *) dlerror();
  2820         ],[
  2821         have_dlopen=yes
  2822         ])
  2823         AC_MSG_RESULT($have_dlopen)
  2824 
  2825         if test x$have_dlopen = xyes; then
  2826             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
  2827                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
  2828                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
  2829             AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ])
  2830             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
  2831             have_loadso=yes
  2832         fi
  2833     fi
  2834 }
  2835 
  2836 dnl Check for the usbhid(3) library on *BSD
  2837 CheckUSBHID()
  2838 {
  2839     case "$host" in
  2840         *-*-*bsd*)
  2841             if test x$enable_joystick = xyes; then
  2842                 AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
  2843                 if test x$have_libusbhid = xyes; then
  2844                     AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
  2845                     AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
  2846                     USB_LIBS="$USB_LIBS -lusbhid"
  2847                 else
  2848                     AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
  2849                     AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
  2850                     AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
  2851                 fi
  2852                     
  2853                 save_CFLAGS="$CFLAGS"
  2854                 CFLAGS="$CFLAGS $USB_CFLAGS"
  2855 
  2856                 AC_MSG_CHECKING(for usbhid)
  2857                 have_usbhid=no
  2858                 AC_TRY_COMPILE([
  2859                   #include <sys/types.h>
  2860                   #if defined(HAVE_USB_H)
  2861                   #include <usb.h>
  2862                   #endif
  2863                   #ifdef __DragonFly__
  2864                   # include <bus/usb/usb.h>
  2865                   # include <bus/usb/usbhid.h>
  2866                   #else
  2867                   # include <dev/usb/usb.h>
  2868                   # include <dev/usb/usbhid.h>
  2869                   #endif
  2870                   #if defined(HAVE_USBHID_H)
  2871                   #include <usbhid.h>
  2872                   #elif defined(HAVE_LIBUSB_H)
  2873                   #include <libusb.h>
  2874                   #elif defined(HAVE_LIBUSBHID_H)
  2875                   #include <libusbhid.h>
  2876                   #endif
  2877                 ],[
  2878                   struct report_desc *repdesc;
  2879                   struct usb_ctl_report *repbuf;
  2880                   hid_kind_t hidkind;
  2881                 ],[
  2882                 have_usbhid=yes
  2883                 ])
  2884                 AC_MSG_RESULT($have_usbhid)
  2885 
  2886                 if test x$have_usbhid = xyes; then
  2887                     AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
  2888                     have_usbhid_ucr_data=no
  2889                     AC_TRY_COMPILE([
  2890                       #include <sys/types.h>
  2891                       #if defined(HAVE_USB_H)
  2892                       #include <usb.h>
  2893                       #endif
  2894                       #ifdef __DragonFly__
  2895                       # include <bus/usb/usb.h>
  2896                       # include <bus/usb/usbhid.h>
  2897                       #else
  2898                       # include <dev/usb/usb.h>
  2899                       # include <dev/usb/usbhid.h>
  2900                       #endif
  2901                       #if defined(HAVE_USBHID_H)
  2902                       #include <usbhid.h>
  2903                       #elif defined(HAVE_LIBUSB_H)
  2904                       #include <libusb.h>
  2905                       #elif defined(HAVE_LIBUSBHID_H)
  2906                       #include <libusbhid.h>
  2907                       #endif
  2908                     ],[
  2909                       struct usb_ctl_report buf;
  2910                       if (buf.ucr_data) { }
  2911                     ],[
  2912                     have_usbhid_ucr_data=yes
  2913                     ])
  2914                     if test x$have_usbhid_ucr_data = xyes; then
  2915                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
  2916                     fi
  2917                     AC_MSG_RESULT($have_usbhid_ucr_data)
  2918                     
  2919                     AC_MSG_CHECKING(for new usbhid API)
  2920                     have_usbhid_new=no
  2921                     AC_TRY_COMPILE([
  2922                       #include <sys/types.h>
  2923                       #if defined(HAVE_USB_H)
  2924                       #include <usb.h>
  2925                       #endif
  2926                       #ifdef __DragonFly__
  2927                       #include <bus/usb/usb.h>
  2928                       #include <bus/usb/usbhid.h>
  2929                       #else
  2930                       #include <dev/usb/usb.h>
  2931                       #include <dev/usb/usbhid.h>
  2932                       #endif
  2933                       #if defined(HAVE_USBHID_H)
  2934                       #include <usbhid.h>
  2935                       #elif defined(HAVE_LIBUSB_H)
  2936                       #include <libusb.h>
  2937                       #elif defined(HAVE_LIBUSBHID_H)
  2938                       #include <libusbhid.h>
  2939                       #endif
  2940                     ],[
  2941                       report_desc_t d;
  2942                       hid_start_parse(d, 1, 1);
  2943                     ],[
  2944                     have_usbhid_new=yes
  2945                     ])
  2946                     if test x$have_usbhid_new = xyes; then
  2947                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
  2948                     fi
  2949                     AC_MSG_RESULT($have_usbhid_new)
  2950 
  2951                     AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
  2952                     have_machine_joystick=no
  2953                     AC_TRY_COMPILE([
  2954                       #include <machine/joystick.h>
  2955                     ],[
  2956                       struct joystick t;
  2957                     ],[
  2958                     have_machine_joystick=yes
  2959                     ])
  2960                     if test x$have_machine_joystick = xyes; then
  2961                         AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H, 1, [ ])
  2962                     fi
  2963                     AC_MSG_RESULT($have_machine_joystick)
  2964 
  2965                     AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ])
  2966                     SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
  2967                     EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
  2968                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
  2969                     have_joystick=yes
  2970                 fi
  2971                 CFLAGS="$save_CFLAGS"
  2972             fi
  2973         ;;
  2974     esac
  2975 }
  2976 
  2977 dnl Check for clock_gettime()
  2978 CheckClockGettime()
  2979 {
  2980     AC_ARG_ENABLE(clock_gettime,
  2981 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),
  2982                   , enable_clock_gettime=yes)
  2983     if test x$enable_clock_gettime = xyes; then
  2984         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
  2985         if test x$have_clock_gettime = xyes; then
  2986             AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2987             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
  2988         else
  2989             AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes)
  2990             if test x$have_clock_gettime = xyes; then
  2991                AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2992                EXTRA_LDFLAGS="$EXTRA_LDFLAGS"
  2993             fi
  2994         fi
  2995     fi
  2996 }
  2997 
  2998 dnl Check for a valid linux/version.h
  2999 CheckLinuxVersion()
  3000 {
  3001     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
  3002     if test x$have_linux_version_h = xyes; then
  3003         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
  3004     fi
  3005 }
  3006 
  3007 dnl Check if we want to use RPATH
  3008 CheckRPATH()
  3009 {
  3010     AC_ARG_ENABLE(rpath,
  3011 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
  3012                   , enable_rpath=yes)
  3013 }
  3014 
  3015 dnl Do this on all platforms, before everything else (other things might want to override it).
  3016 CheckWarnAll
  3017 
  3018 dnl Set up the configuration based on the host platform!
  3019 case "$host" in
  3020     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*)
  3021         case "$host" in
  3022             *-raspberry-linux*)
  3023                 # Raspberry Pi
  3024                 ARCH=linux
  3025                 RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
  3026                 CFLAGS="$CFLAGS $RPI_CFLAGS"
  3027                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
  3028                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
  3029                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L/opt/vc/lib -lbcm_host -ldl"
  3030 
  3031                 if test x$enable_video = xyes; then
  3032                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
  3033                     # FIXME: confdefs? Not AC_DEFINE?
  3034                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
  3035                     SUMMARY_video="${SUMMARY_video} rpi"
  3036                 fi
  3037                 ;;
  3038             *-*-androideabi*)
  3039                 # Android
  3040                 ARCH=android
  3041                 ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"
  3042                 CFLAGS="$CFLAGS $ANDROID_CFLAGS"
  3043                 SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS"
  3044                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS"
  3045                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid"
  3046 
  3047                 if test x$enable_video = xyes; then
  3048                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
  3049                     # FIXME: confdefs? Not AC_DEFINE?
  3050                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
  3051                     SUMMARY_video="${SUMMARY_video} android"
  3052                 fi
  3053                 ;;
  3054             *-*-linux*)         ARCH=linux ;;
  3055             *-*-uclinux*)       ARCH=linux ;;
  3056             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
  3057             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
  3058             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
  3059             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
  3060             *-*-bsdi*)          ARCH=bsdi ;;
  3061             *-*-freebsd*)       ARCH=freebsd ;;
  3062             *-*-dragonfly*)     ARCH=freebsd ;;
  3063             *-raspberry-netbsd*)
  3064                 # Raspberry Pi
  3065                 ARCH=netbsd
  3066                 RPI_CFLAGS="-I/usr/pkg/include -I/usr/pkg/include/interface/vcos/pthreads -I/usr/pkg/include/interface/vmcs_host/linux"
  3067                 CFLAGS="$CFLAGS $RPI_CFLAGS"
  3068                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
  3069                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
  3070                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-R/usr/pkg/lib -L/usr/pkg/lib -lbcm_host -ldl"
  3071 
  3072                 if test x$enable_video = xyes; then
  3073                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
  3074                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
  3075                     SUMMARY_video="${SUMMARY_video} raspberry"
  3076                 fi
  3077                 ;;
  3078             *-*-netbsd*)        ARCH=netbsd ;;
  3079             *-*-openbsd*)       ARCH=openbsd ;;
  3080             *-*-sysv5*)         ARCH=sysv5 ;;
  3081             *-*-solaris*)       ARCH=solaris ;;
  3082             *-*-hpux*)          ARCH=hpux ;;
  3083             *-*-aix*)           ARCH=aix ;;
  3084             *-*-minix*)         ARCH=minix ;;
  3085         esac
  3086         CheckVisibilityHidden
  3087         CheckDeclarationAfterStatement
  3088         CheckDummyVideo
  3089         CheckDiskAudio
  3090         CheckDummyAudio
  3091         CheckDLOPEN
  3092         CheckOSS
  3093         CheckALSA
  3094         CheckPulseAudio
  3095         CheckJACK
  3096         CheckARTSC
  3097         CheckESD
  3098         CheckNAS
  3099         CheckSNDIO
  3100         CheckFusionSound
  3101         CheckLibSampleRate
  3102         CheckX11
  3103         CheckDirectFB
  3104         CheckOpenGLX11
  3105         CheckOpenGLESX11
  3106         CheckMir
  3107         CheckWayland
  3108         CheckLibUDev
  3109         CheckDBus
  3110         CheckIME
  3111         CheckIBus
  3112         CheckFcitx
  3113         case $ARCH in
  3114           linux)
  3115               CheckInputEvents
  3116               CheckInputKD
  3117           ;;
  3118         esac
  3119         CheckTslib
  3120         CheckUSBHID
  3121         CheckPTHREAD
  3122         CheckClockGettime
  3123         CheckLinuxVersion
  3124         CheckRPATH
  3125         CheckVivanteVideo
  3126         # Set up files for the audio library
  3127         if test x$enable_audio = xyes; then
  3128           case $ARCH in
  3129             sysv5|solaris|hpux)
  3130                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ])
  3131                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  3132                 have_audio=yes
  3133             ;;
  3134             netbsd)  # Don't use this on OpenBSD, it's busted.
  3135                 AC_DEFINE(SDL_AUDIO_DRIVER_NETBSD, 1, [ ])
  3136                 SOURCES="$SOURCES $srcdir/src/audio/netbsd/*.c"
  3137                 have_audio=yes
  3138             ;;
  3139             aix)
  3140                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ])
  3141                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
  3142                 have_audio=yes
  3143             ;;
  3144             android)
  3145                 AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ])
  3146                 SOURCES="$SOURCES $srcdir/src/audio/android/*.c"
  3147                 SUMMARY_audio="${SUMMARY_audio} android"
  3148                 have_audio=yes
  3149             ;;
  3150           esac
  3151         fi
  3152         # Set up files for the joystick library
  3153         if test x$enable_joystick = xyes; then
  3154           case $ARCH in
  3155             linux)
  3156                 AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ])
  3157                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
  3158                 have_joystick=yes
  3159             ;;
  3160             android)
  3161                 AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ])
  3162                 SOURCES="$SOURCES $srcdir/src/joystick/android/*.c"
  3163                 have_joystick=yes
  3164             ;;
  3165           esac
  3166         fi
  3167         # Set up files for the haptic library
  3168         if test x$enable_haptic = xyes; then
  3169            if test x$use_input_events = xyes; then
  3170              case $ARCH in
  3171                linux)
  3172                    AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ])
  3173                    SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"
  3174                    have_haptic=yes
  3175                ;;
  3176              esac
  3177            fi
  3178         fi
  3179         # Set up files for the power library
  3180         if test x$enable_power = xyes; then
  3181              case $ARCH in
  3182                linux)
  3183                    AC_DEFINE(SDL_POWER_LINUX, 1, [ ])
  3184                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"
  3185                    have_power=yes
  3186                ;;
  3187                android)
  3188                    AC_DEFINE(SDL_POWER_ANDROID, 1, [ ])
  3189                    SOURCES="$SOURCES $srcdir/src/power/android/*.c"
  3190                    have_power=yes
  3191                ;;
  3192              esac
  3193         fi
  3194         # Set up files for the filesystem library
  3195         if test x$enable_filesystem = xyes; then
  3196              case $ARCH in
  3197                android)
  3198                    AC_DEFINE(SDL_FILESYSTEM_ANDROID, 1, [ ])
  3199                    SOURCES="$SOURCES $srcdir/src/filesystem/android/*.c"
  3200                    have_filesystem=yes
  3201                ;;
  3202                *)
  3203                    AC_DEFINE(SDL_FILESYSTEM_UNIX, 1, [ ])
  3204                    SOURCES="$SOURCES $srcdir/src/filesystem/unix/*.c"
  3205                    have_filesystem=yes
  3206                ;;
  3207              esac
  3208         fi
  3209         # Set up files for the timer library
  3210         if test x$enable_timers = xyes; then
  3211             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3212             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3213             have_timers=yes
  3214         fi
  3215         # Set up files for udev hotplugging support
  3216         if test x$enable_libudev = xyes && test x$have_libudev_h_hdr = xyes; then
  3217             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_udev.c"               
  3218         fi
  3219         # Set up files for evdev input
  3220         if test x$use_input_events = xyes; then
  3221             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev*.c"
  3222         fi       
  3223         ;;
  3224     *-*-cygwin* | *-*-mingw32*)
  3225         ARCH=win32
  3226         if test "$build" != "$host"; then # cross-compiling
  3227             # Default cross-compile location
  3228             ac_default_prefix=/usr/local/cross-tools/$host
  3229         else
  3230             # Look for the location of the tools and install there
  3231             if test "$BUILD_PREFIX" != ""; then
  3232                 ac_default_prefix=$BUILD_PREFIX
  3233             fi
  3234         fi
  3235         CheckDeclarationAfterStatement
  3236         CheckDummyVideo
  3237         CheckDiskAudio
  3238         CheckDummyAudio
  3239         CheckWINDOWS
  3240         CheckWINDOWSGL
  3241         CheckWINDOWSGLES
  3242         CheckDIRECTX
  3243 
  3244         # Set up the core platform files
  3245         SOURCES="$SOURCES $srcdir/src/core/windows/*.c"
  3246 
  3247         # Set up files for the video library
  3248         if test x$enable_video = xyes; then
  3249             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])
  3250             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
  3251             have_video=yes
  3252             AC_ARG_ENABLE(render-d3d,
  3253 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
  3254                                 , enable_render_d3d=yes)
  3255             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
  3256                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])
  3257             fi
  3258             if test x$enable_render_d3d = xyes -a x$have_d3d11 = xyes; then
  3259                 AC_DEFINE(SDL_VIDEO_RENDER_D3D11, 1, [ ])
  3260             fi
  3261         fi
  3262         # Set up files for the audio library
  3263         if test x$enable_audio = xyes; then
  3264             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])
  3265             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"
  3266             if test x$have_dsound = xyes; then
  3267                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])
  3268                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"
  3269             fi
  3270             if test x$have_xaudio2 = xyes; then
  3271                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
  3272                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
  3273             fi
  3274             have_audio=yes
  3275         fi
  3276         # Set up files for the joystick library
  3277         if test x$enable_joystick = xyes; then
  3278             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
  3279                 if test x$have_xinput = xyes; then
  3280                     AC_DEFINE(SDL_JOYSTICK_XINPUT, 1, [ ])
  3281                 fi
  3282                 if test x$have_dinput = xyes; then
  3283                     AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ])
  3284                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8"
  3285                 fi
  3286             else
  3287                 AC_DEFINE(SDL_JOYSTICK_WINMM, 1, [ ])
  3288             fi
  3289             SOURCES="$SOURCES $srcdir/src/joystick/windows/*.c"
  3290             have_joystick=yes
  3291         fi
  3292         if test x$enable_haptic = xyes; then
  3293             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
  3294                 if test x$have_xinput = xyes; then
  3295                     AC_DEFINE(SDL_HAPTIC_XINPUT, 1, [ ])
  3296                 fi
  3297                 if test x$have_dinput = xyes; then
  3298                     AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ])
  3299                 fi
  3300                 SOURCES="$SOURCES $srcdir/src/haptic/windows/*.c"
  3301                 have_haptic=yes
  3302             fi
  3303         fi
  3304         if test x$enable_power = xyes; then
  3305             AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ])
  3306             SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c"
  3307             have_power=yes
  3308         fi
  3309         if test x$enable_filesystem = xyes; then
  3310             AC_DEFINE(SDL_FILESYSTEM_WINDOWS, 1, [ ])
  3311             SOURCES="$SOURCES $srcdir/src/filesystem/windows/SDL_sysfilesystem.c"
  3312             have_filesystem=yes
  3313         fi
  3314         # Set up files for the thread library
  3315         if test x$enable_threads = xyes; then
  3316             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])
  3317             SOURCES="$SOURCES $srcdir/src/thread/windows/*.c"
  3318             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  3319             have_threads=yes
  3320         fi
  3321         # Set up files for the timer library
  3322         if test x$enable_timers = xyes; then
  3323             AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ])
  3324             SOURCES="$SOURCES $srcdir/src/timer/windows/*.c"
  3325             have_timers=yes
  3326         fi
  3327         # Set up files for the shared object loading library
  3328         if test x$enable_loadso = xyes; then
  3329             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])
  3330             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"
  3331             have_loadso=yes
  3332         fi
  3333         # Set up the system libraries we need
  3334         if test -f /lib/w32api/libuuid.a; then
  3335             LIBUUID=/lib/w32api/libuuid.a
  3336         else
  3337             LIBUUID=-luuid
  3338         fi
  3339         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion $LIBUUID -static-libgcc"
  3340         # The Windows platform requires special setup
  3341         VERSION_SOURCES="$srcdir/src/main/windows/*.rc"
  3342         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
  3343         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
  3344         SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows"
  3345 
  3346         # Check to see if this is a mingw or cygwin build
  3347         have_mingw32=
  3348         AC_CHECK_LIB(mingw32, main, [have_mingw32=yes])
  3349         if test x$have_mingw32 = xyes; then
  3350             SDL_LIBS="-lmingw32 $SDL_LIBS"
  3351         else
  3352             SDL_LIBS="-lcygwin $SDL_LIBS"
  3353         fi
  3354         ;;
  3355 
  3356     dnl BeOS support removed after SDL 2.0.1. Haiku still works.  --ryan.
  3357     *-*-beos*)
  3358         AC_MSG_ERROR([
  3359 *** BeOS support has been removed as of SDL 2.0.2.
  3360         ])
  3361         ;;
  3362 
  3363     *-*-haiku*)
  3364         ARCH=haiku
  3365         ac_default_prefix=/boot/system
  3366         CheckDummyVideo
  3367         CheckDiskAudio
  3368         CheckDummyAudio
  3369         CheckDLOPEN
  3370         CheckHaikuVideo
  3371         CheckHaikuGL
  3372         CheckPTHREAD
  3373 
  3374         # Set up files for the audio library
  3375         if test x$enable_audio = xyes; then
  3376             AC_DEFINE(SDL_AUDIO_DRIVER_HAIKU, 1, [ ])
  3377             SOURCES="$SOURCES $srcdir/src/audio/haiku/*.cc"
  3378             have_audio=yes
  3379         fi
  3380         # Set up files for the joystick library
  3381         if test x$enable_joystick = xyes; then
  3382             AC_DEFINE(SDL_JOYSTICK_HAIKU, 1, [ ])
  3383             SOURCES="$SOURCES $srcdir/src/joystick/haiku/*.cc"
  3384             have_joystick=yes
  3385         fi
  3386         # Set up files for the timer library
  3387         if test x$enable_timers = xyes; then
  3388             AC_DEFINE(SDL_TIMER_HAIKU, 1, [ ])
  3389             SOURCES="$SOURCES $srcdir/src/timer/haiku/*.c"
  3390             have_timers=yes
  3391         fi
  3392         # Set up files for the system power library
  3393         if test x$enable_power = xyes; then
  3394             AC_DEFINE(SDL_POWER_HAIKU, 1, [ ])
  3395             SOURCES="$SOURCES $srcdir/src/power/haiku/*.c"
  3396             have_power=yes
  3397         fi
  3398         # Set up files for the system filesystem library
  3399         if test x$enable_filesystem = xyes; then
  3400             AC_DEFINE(SDL_FILESYSTEM_HAIKU, 1, [ ])
  3401             SOURCES="$SOURCES $srcdir/src/filesystem/haiku/*.cc"
  3402             have_filesystem=yes
  3403         fi
  3404         # The Haiku platform requires special setup.
  3405         SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES"
  3406         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding -lstdc++.r4"
  3407         ;;
  3408     arm*-apple-darwin*|*-ios-*)
  3409         ARCH=ios
  3410 
  3411         CheckVisibilityHidden
  3412         CheckDeclarationAfterStatement
  3413         CheckDummyVideo
  3414         CheckDiskAudio
  3415         CheckDummyAudio
  3416         CheckDLOPEN
  3417         CheckPTHREAD
  3418 
  3419         # Set up files for the audio library
  3420         if test x$enable_audio = xyes; then
  3421             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
  3422             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.m"
  3423             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3424             have_audio=yes
  3425         fi
  3426         # Set up files for the joystick library
  3427         if test x$enable_joystick = xyes; then
  3428             AC_DEFINE(SDL_JOYSTICK_MFI, 1, [ ])
  3429             SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m"
  3430             have_joystick=yes
  3431         fi
  3432         # Set up files for the haptic library
  3433         #if test x$enable_haptic = xyes; then
  3434         #    SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3435         #    have_haptic=yes
  3436         #    EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3437         #fi
  3438         # Set up files for the power library
  3439         if test x$enable_power = xyes; then
  3440             AC_DEFINE(SDL_POWER_UIKIT, 1, [ ])
  3441             SOURCES="$SOURCES $srcdir/src/power/uikit/*.m"
  3442             have_power=yes
  3443         fi
  3444         # Set up files for the filesystem library
  3445         if test x$enable_filesystem = xyes; then
  3446             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3447             have_filesystem=yes
  3448         fi
  3449         # Set up additional files for the file library
  3450         if test x$enable_file = xyes; then
  3451             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])
  3452             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3453         fi
  3454         # Set up files for the timer library
  3455         if test x$enable_timers = xyes; then
  3456             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3457             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3458             have_timers=yes
  3459         fi
  3460         # The iOS platform requires special setup.
  3461         AC_DEFINE(SDL_VIDEO_DRIVER_UIKIT, 1, [ ])
  3462         AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  3463         AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])
  3464         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])
  3465         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  3466         SOURCES="$SOURCES $srcdir/src/video/uikit/*.m"
  3467         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3468         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -liconv -lobjc"
  3469         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AVFoundation"
  3470         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox"
  3471         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio"
  3472         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreGraphics"
  3473         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreMotion"
  3474         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Foundation"
  3475         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,GameController"
  3476         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGLES"
  3477         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"
  3478         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"
  3479         ;;
  3480     *-*-darwin* )
  3481         # This could be either full "Mac OS X", or plain "Darwin" which is
  3482         # just the OS X kernel sans upper layers like Carbon and Cocoa.
  3483         # Next line is broken, and a few files below require Mac OS X (full)
  3484         ARCH=macosx
  3485 
  3486         # Mac OS X builds with both the Carbon and OSX APIs at the moment
  3487         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
  3488         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
  3489 
  3490         CheckVisibilityHidden
  3491         CheckDeclarationAfterStatement
  3492         CheckDummyVideo
  3493         CheckDiskAudio
  3494         CheckDummyAudio
  3495         CheckDLOPEN
  3496         CheckCOCOA
  3497         CheckX11
  3498         CheckMacGL
  3499         CheckOpenGLX11
  3500         CheckPTHREAD
  3501 
  3502         # Set up files for the audio library
  3503         if test x$enable_audio = xyes; then
  3504             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
  3505             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.m"
  3506             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox"
  3507             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3508             have_audio=yes
  3509         fi
  3510         # Set up files for the joystick library
  3511         if test x$enable_joystick = xyes; then
  3512             AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ])
  3513             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
  3514             have_joystick=yes
  3515         fi
  3516         # Set up files for the haptic library
  3517         if test x$enable_haptic = xyes; then
  3518             AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ])
  3519             SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3520             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3521             have_haptic=yes
  3522         fi
  3523         # Set up files for the power library
  3524         if test x$enable_power = xyes; then
  3525             AC_DEFINE(SDL_POWER_MACOSX, 1, [ ])
  3526             SOURCES="$SOURCES $srcdir/src/power/macosx/*.c"
  3527             have_power=yes
  3528         fi
  3529         # Set up files for the filesystem library
  3530         if test x$enable_filesystem = xyes; then
  3531             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])
  3532             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3533             have_filesystem=yes
  3534         fi
  3535         # Set up files for the timer library
  3536         if test x$enable_timers = xyes; then
  3537             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3538             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3539             have_timers=yes
  3540         fi
  3541         # Set up additional files for the file library
  3542         if test x$enable_file = xyes; then
  3543             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3544         fi
  3545         # The Mac OS X platform requires special setup.
  3546         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3547         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc"
  3548         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreVideo"
  3549         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
  3550         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
  3551         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
  3552         ;;
  3553     *-nacl|*-pnacl)
  3554         ARCH=nacl
  3555         CheckNativeClient
  3556         CheckDummyAudio
  3557         CheckDummyVideo
  3558         CheckInputEvents
  3559         CheckPTHREAD
  3560         
  3561         # Set up files for the timer library
  3562         if test x$enable_timers = xyes; then
  3563             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3564             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3565             have_timers=yes
  3566         fi
  3567         
  3568         if test x$enable_filesystem = xyes; then
  3569             AC_DEFINE(SDL_FILESYSTEM_NACL, 1, [ ])
  3570             SOURCES="$SOURCES $srcdir/src/filesystem/nacl/*.c"
  3571             have_filesystem=yes
  3572         fi
  3573         ;;
  3574     *-*-emscripten* )
  3575         if test x$enable_video = xyes; then
  3576             AC_DEFINE(SDL_VIDEO_DRIVER_EMSCRIPTEN, 1, [ ])
  3577             SOURCES="$SOURCES $srcdir/src/video/emscripten/*.c"
  3578             have_video=yes
  3579             SUMMARY_video="${SUMMARY_video} emscripten"
  3580         fi
  3581 
  3582         if test x$enable_audio = xyes; then
  3583             AC_DEFINE(SDL_AUDIO_DRIVER_EMSCRIPTEN, 1, [ ])
  3584             SOURCES="$SOURCES $srcdir/src/audio/emscripten/*.c"
  3585             have_audio=yes
  3586             SUMMARY_audio="${SUMMARY_audio} emscripten"
  3587         fi
  3588 
  3589         CheckVisibilityHidden
  3590         CheckDeclarationAfterStatement
  3591         CheckDummyVideo
  3592         CheckDiskAudio
  3593         CheckDummyAudio
  3594         CheckDLOPEN
  3595         CheckClockGettime
  3596         CheckEmscriptenGLES
  3597 
  3598          # Set up files for the power library
  3599         if test x$enable_power = xyes; then
  3600             AC_DEFINE(SDL_POWER_EMSCRIPTEN, 1, [ ])
  3601             SOURCES="$SOURCES $srcdir/src/power/emscripten/*.c"
  3602             have_power=yes
  3603         fi
  3604         
  3605         # Set up files for the power library
  3606         if test x$enable_joystick = xyes; then
  3607             AC_DEFINE(SDL_JOYSTICK_EMSCRIPTEN, 1, [ ])
  3608             SOURCES="$SOURCES $srcdir/src/joystick/emscripten/*.c"
  3609             have_joystick=yes
  3610         fi
  3611 
  3612         # Set up files for the filesystem library
  3613         if test x$enable_filesystem = xyes; then
  3614             AC_DEFINE(SDL_FILESYSTEM_EMSCRIPTEN, 1, [ ])
  3615             SOURCES="$SOURCES $srcdir/src/filesystem/emscripten/*.c"
  3616             have_filesystem=yes
  3617         fi
  3618         # Set up files for the timer library
  3619         if test x$enable_timers = xyes; then
  3620             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3621             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3622             have_timers=yes
  3623         fi
  3624         ;;
  3625     *)
  3626         AC_MSG_ERROR([
  3627 *** Unsupported host:  Please add to configure.in
  3628         ])
  3629         ;;
  3630 esac
  3631 
  3632 # Verify that we have all the platform specific files we need
  3633 
  3634 if test x$have_joystick != xyes; then
  3635     if test x$enable_joystick = xyes; then
  3636         AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
  3637     fi
  3638     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
  3639 fi
  3640 if test x$have_haptic != xyes; then
  3641     if test x$enable_haptic = xyes; then
  3642         AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
  3643     fi
  3644     SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c"
  3645 fi
  3646 if test x$have_threads != xyes; then
  3647     if test x$enable_threads = xyes; then
  3648         AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
  3649     fi
  3650     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
  3651 fi
  3652 if test x$have_timers != xyes; then
  3653     if test x$enable_timers = xyes; then
  3654         AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
  3655     fi
  3656     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
  3657 fi
  3658 if test x$have_filesystem != xyes; then
  3659     if test x$enable_filesystem = xyes; then
  3660         AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
  3661     fi
  3662     SOURCES="$SOURCES $srcdir/src/filesystem/dummy/*.c"
  3663 fi
  3664 if test x$have_loadso != xyes; then
  3665     if test x$enable_loadso = xyes; then
  3666         AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
  3667     fi
  3668     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
  3669 fi
  3670 if test x$SDLMAIN_SOURCES = x; then
  3671     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
  3672 fi
  3673 SDLTEST_SOURCES="$srcdir/src/test/*.c"
  3674 
  3675 if test x$video_wayland = xyes; then
  3676     WAYLAND_CORE_PROTOCOL_SOURCE='$(gen)/wayland-protocol.c'
  3677     WAYLAND_CORE_PROTOCOL_HEADER='$(gen)/wayland-client-protocol.h'
  3678     WAYLAND_PROTOCOLS_UNSTABLE_SOURCES=`echo $WAYLAND_PROTOCOLS_UNSTABLE |\
  3679         sed 's,[[^ ]]\+,\\$(gen)/&-protocol.c,g'`
  3680     WAYLAND_PROTOCOLS_UNSTABLE_HEADERS=`echo $WAYLAND_PROTOCOLS_UNSTABLE |\
  3681         sed 's,[[^ ]]\+,\\$(gen)/&-client-protocol.h,g'`
  3682     GEN_SOURCES="$GEN_SOURCES $WAYLAND_CORE_PROTOCOL_SOURCE $WAYLAND_PROTOCOLS_UNSTABLE_SOURCES"
  3683     GEN_HEADERS="$GEN_HEADERS $WAYLAND_CORE_PROTOCOL_HEADER $WAYLAND_PROTOCOLS_UNSTABLE_HEADERS"
  3684 
  3685     WAYLAND_CORE_PROTOCOL_SOURCE_DEPENDS="
  3686 $WAYLAND_CORE_PROTOCOL_SOURCE: $WAYLAND_CORE_PROTOCOL_DIR/wayland.xml
  3687 	\$(SHELL) \$(auxdir)/mkinstalldirs \$(gen)
  3688 	\$(RUN_CMD_GEN)\$(WAYLAND_SCANNER) code \$< \$@"
  3689 
  3690     WAYLAND_CORE_PROTOCOL_HEADER_DEPENDS="
  3691 $WAYLAND_CORE_PROTOCOL_HEADER: $WAYLAND_CORE_PROTOCOL_DIR/wayland.xml
  3692 	\$(SHELL) \$(auxdir)/mkinstalldirs \$(gen)
  3693 	\$(RUN_CMD_GEN)\$(WAYLAND_SCANNER) client-header \$< \$@"
  3694 
  3695     WAYLAND_CORE_PROTOCOL_OBJECT="
  3696 \$(objects)/`echo $WAYLAND_CORE_PROTOCOL_SOURCE | sed 's/\$(gen)\/\(.*\).c$/\1.lo/'`: $WAYLAND_CORE_PROTOCOL_SOURCE
  3697 	\$(RUN_CMD_CC)\$(LIBTOOL) --tag=CC --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \$< -o \$@"
  3698 
  3699     WAYLAND_PROTOCOLS_CLIENT_HEADER_UNSTABLE_DEPENDS=`for p in $WAYLAND_PROTOCOLS_UNSTABLE;\
  3700         do echo ; echo \$p | sed\
  3701         "s,^\\([[a-z\\-]]\\+\\)-unstable-\\(v[[0-9]]\+\\)\$,\\$(gen)/&-client-protocol.h: $WAYLAND_PROTOCOLS_DIR/unstable/\1/&.xml\\\\
  3702 	\\$(SHELL) \\$(auxdir)/mkinstalldirs \\$(gen)\\\\
  3703 	\\$(RUN_CMD_GEN)\\$(WAYLAND_SCANNER) client-header \\$< \\$@," ; done`
  3704 
  3705     WAYLAND_PROTOCOLS_CODE_UNSTABLE_DEPENDS=`for p in $WAYLAND_PROTOCOLS_UNSTABLE;\
  3706         do echo ; echo \$p | sed\
  3707         "s,^\\([[a-z\\-]]\\+\\)-unstable-\\(v[[0-9]]\+\\)\$,\\$(gen)/&-protocol.c: $WAYLAND_PROTOCOLS_DIR/unstable/\1/&.xml\\\\
  3708 	\\$(SHELL) \\$(auxdir)/mkinstalldirs \\$(gen)\\\\
  3709 	\\$(RUN_CMD_GEN)\\$(WAYLAND_SCANNER) code \\$< \\$@," ; done`
  3710 
  3711     WAYLAND_PROTOCOLS_OBJECTS_UNSTABLE=`for p in $WAYLAND_PROTOCOLS_UNSTABLE;\
  3712         do echo ; echo \$p | sed\
  3713         "s,^\\([[a-z\\-]]\\+\\)-unstable-\\(v[[0-9]]\+\\)\$,\\\$(objects)/&-protocol.lo: \\$(gen)/&-protocol.c \\$(gen)/&-client-protocol.h\\\\
  3714 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@," ; done`
  3715 
  3716     WAYLAND_PROTOCOLS_DEPENDS="
  3717 $WAYLAND_CORE_PROTOCOL_SOURCE_DEPENDS
  3718 $WAYLAND_CORE_PROTOCOL_HEADER_DEPENDS
  3719 $WAYLAND_CORE_PROTOCOL_OBJECT
  3720 $WAYLAND_PROTOCOLS_CLIENT_HEADER_UNSTABLE_DEPENDS
  3721 $WAYLAND_PROTOCOLS_CODE_UNSTABLE_DEPENDS
  3722 $WAYLAND_PROTOCOLS_OBJECTS_UNSTABLE
  3723 "
  3724 fi
  3725 
  3726 OBJECTS=`echo $SOURCES`
  3727 DEPENDS=`echo $SOURCES | tr ' ' '\n'`
  3728 for EXT in asm cc m c S; do
  3729     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`
  3730     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\
  3731 \\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
  3732 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3733 done
  3734 
  3735 GEN_OBJECTS=`echo "$GEN_SOURCES" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.lo,g'`
  3736 
  3737 VERSION_OBJECTS=`echo $VERSION_SOURCES`
  3738 VERSION_DEPENDS=`echo $VERSION_SOURCES`
  3739 VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
  3740 VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\
  3741 \\$(objects)/\\2.o: \\1/\\2.rc\\\\
  3742 	\\$(WINDRES) \\$< \\$@,g"`
  3743 
  3744 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
  3745 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
  3746 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3747 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3748 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3749 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3750 
  3751 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`
  3752 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`
  3753 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3754 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3755 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3756 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3757 
  3758 # Set runtime shared library paths as needed
  3759 
  3760 if test "x$enable_rpath" = "xyes"; then
  3761   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
  3762     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
  3763 
  3764     AC_MSG_CHECKING(for linker option --enable-new-dtags)
  3765     have_enable_new_dtags=no
  3766     save_LDFLAGS="$LDFLAGS"
  3767     LDFLAGS="$LDFLAGS -Wl,--enable-new-dtags"
  3768     AC_TRY_LINK([
  3769     ],[
  3770     ],[
  3771     have_enable_new_dtags=yes
  3772     SDL_RLD_FLAGS="$SDL_RLD_FLAGS -Wl,--enable-new-dtags"
  3773     ])
  3774     LDFLAGS="$save_LDFLAGS"
  3775     AC_MSG_RESULT($have_enable_new_dtags)
  3776   fi
  3777   if test $ARCH = solaris; then
  3778     SDL_RLD_FLAGS="-R\${libdir}"
  3779   fi
  3780 else
  3781   SDL_RLD_FLAGS=""
  3782 fi
  3783 
  3784 SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
  3785 
  3786 dnl Expand the cflags and libraries needed by apps using SDL
  3787 AC_SUBST(SDL_CFLAGS)
  3788 AC_SUBST(SDL_LIBS)
  3789 AC_SUBST(SDL_STATIC_LIBS)
  3790 AC_SUBST(SDL_RLD_FLAGS)
  3791 if test x$enable_shared = xyes; then
  3792     ENABLE_SHARED_TRUE=
  3793     ENABLE_SHARED_FALSE="#"
  3794 else
  3795     ENABLE_SHARED_TRUE="#"
  3796     ENABLE_SHARED_FALSE=
  3797 fi
  3798 if test x$enable_static = xyes; then
  3799     ENABLE_STATIC_TRUE=
  3800     ENABLE_STATIC_FALSE="#"
  3801 else
  3802     ENABLE_STATIC_TRUE="#"
  3803     ENABLE_STATIC_FALSE=
  3804 fi
  3805 AC_SUBST(ENABLE_SHARED_TRUE)
  3806 AC_SUBST(ENABLE_SHARED_FALSE)
  3807 AC_SUBST(ENABLE_STATIC_TRUE)
  3808 AC_SUBST(ENABLE_STATIC_FALSE)
  3809 
  3810 dnl Expand the sources and objects needed to build the library
  3811 AC_SUBST(ac_aux_dir)
  3812 AC_SUBST(INCLUDE)
  3813 AC_SUBST(OBJECTS)
  3814 AC_SUBST(GEN_HEADERS)
  3815 AC_SUBST(GEN_OBJECTS)
  3816 AC_SUBST(VERSION_OBJECTS)
  3817 AC_SUBST(SDLMAIN_OBJECTS)
  3818 AC_SUBST(SDLTEST_OBJECTS)
  3819 AC_SUBST(BUILD_CFLAGS)
  3820 AC_SUBST(EXTRA_CFLAGS)
  3821 AC_SUBST(BUILD_LDFLAGS)
  3822 AC_SUBST(EXTRA_LDFLAGS)
  3823 AC_SUBST(WINDRES)
  3824 AC_SUBST(WAYLAND_SCANNER)
  3825 
  3826 cat >Makefile.rules <<__EOF__
  3827 
  3828 # Build rules for objects
  3829 -include \$(OBJECTS:.lo=.d)
  3830 
  3831 # Special dependency for SDL.c, since it depends on SDL_revision.h
  3832 $srcdir/src/SDL.c: update-revision
  3833 $DEPENDS
  3834 $VERSION_DEPENDS
  3835 $SDLMAIN_DEPENDS
  3836 $SDLTEST_DEPENDS
  3837 $WAYLAND_PROTOCOLS_DEPENDS
  3838 __EOF__
  3839 
  3840 AC_CONFIG_FILES([
  3841     Makefile:Makefile.in:Makefile.rules sdl2-config sdl2-config.cmake SDL2.spec sdl2.pc
  3842 ])
  3843 AC_CONFIG_COMMANDS([sdl2_config],[chmod a+x sdl2-config])
  3844 
  3845 SUMMARY="SDL2 Configure Summary:\n"
  3846 if test x$enable_shared = xyes; then
  3847     SUMMARY="${SUMMARY}Building Shared Libraries\n"
  3848 fi
  3849 if test x$enable_static = xyes; then
  3850     SUMMARY="${SUMMARY}Building Static Libraries\n"
  3851 fi
  3852 SUMMARY="${SUMMARY}Enabled modules :${SUMMARY_modules}\n"
  3853 SUMMARY="${SUMMARY}Assembly Math   :${SUMMARY_math}\n" 
  3854 SUMMARY="${SUMMARY}Audio drivers   :${SUMMARY_audio}\n"
  3855 SUMMARY="${SUMMARY}Video drivers   :${SUMMARY_video}\n"
  3856 if test x$have_x = xyes; then
  3857     SUMMARY="${SUMMARY}X11 libraries   :${SUMMARY_video_x11}\n"
  3858 fi
  3859 SUMMARY="${SUMMARY}Input drivers   :${SUMMARY_input}\n"
  3860 if test x$have_samplerate_h_hdr = xyes; then
  3861     SUMMARY="${SUMMARY}Using libsamplerate : YES\n"
  3862 else
  3863     SUMMARY="${SUMMARY}Using libsamplerate : NO\n"
  3864 fi
  3865 if test x$have_libudev_h_hdr = xyes; then
  3866     SUMMARY="${SUMMARY}Using libudev       : YES\n"
  3867 else
  3868     SUMMARY="${SUMMARY}Using libudev       : NO\n"
  3869 fi
  3870 if test x$have_dbus_dbus_h_hdr = xyes; then
  3871     SUMMARY="${SUMMARY}Using dbus          : YES\n"
  3872 else
  3873     SUMMARY="${SUMMARY}Using dbus          : NO\n"
  3874 fi
  3875 if test x$enable_ime = xyes; then
  3876     SUMMARY="${SUMMARY}Using ime           : YES\n"
  3877 else
  3878     SUMMARY="${SUMMARY}Using ime           : NO\n"
  3879 fi
  3880 if test x$have_ibus_ibus_h_hdr = xyes; then
  3881     SUMMARY="${SUMMARY}Using ibus          : YES\n"
  3882 else
  3883     SUMMARY="${SUMMARY}Using ibus          : NO\n"
  3884 fi
  3885 if test x$have_fcitx_frontend_h_hdr = xyes; then
  3886     SUMMARY="${SUMMARY}Using fcitx         : YES\n"
  3887 else
  3888     SUMMARY="${SUMMARY}Using fcitx         : NO\n"
  3889 fi
  3890 AC_CONFIG_COMMANDS([summary], [echo -en "$SUMMARY"], [SUMMARY="$SUMMARY"])
  3891 
  3892 AC_OUTPUT