configure.in
author Sam Lantinga <slouken@libsdl.org>
Sat, 17 Oct 2009 17:35:48 +0000
branchSDL-1.2
changeset 4351 3ae3624c3cbc
parent 4328 4abf24b03b1d
child 4390 725e506f6243
permissions -rw-r--r--
We no longer have a DirectInput link requirement
     1 dnl Process this file with autoconf to produce a configure script.
     2 AC_INIT(README)
     3 AC_CONFIG_HEADER(include/SDL_config.h)
     4 AC_GNU_SOURCE
     5 AC_CONFIG_AUX_DIRS($srcdir/build-scripts)
     6 
     7 dnl Set various version strings - taken gratefully from the GTk sources
     8 #
     9 # Making releases:
    10 # Edit include/SDL/SDL_version.h and change the version, then:
    11 #   SDL_MICRO_VERSION += 1;
    12 #   SDL_INTERFACE_AGE += 1;
    13 #   SDL_BINARY_AGE += 1;
    14 # if any functions have been added, set SDL_INTERFACE_AGE to 0.
    15 # if backwards compatibility has been broken,
    16 # set SDL_BINARY_AGE and SDL_INTERFACE_AGE to 0.
    17 #
    18 SDL_MAJOR_VERSION=1
    19 SDL_MINOR_VERSION=2
    20 SDL_MICRO_VERSION=14
    21 SDL_INTERFACE_AGE=3
    22 SDL_BINARY_AGE=14
    23 SDL_VERSION=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION.$SDL_MICRO_VERSION
    24 
    25 AC_SUBST(SDL_MAJOR_VERSION)
    26 AC_SUBST(SDL_MINOR_VERSION)
    27 AC_SUBST(SDL_MICRO_VERSION)
    28 AC_SUBST(SDL_INTERFACE_AGE)
    29 AC_SUBST(SDL_BINARY_AGE)
    30 AC_SUBST(SDL_VERSION)
    31 
    32 # libtool versioning
    33 LT_INIT([win32-dll])
    34 
    35 LT_RELEASE=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION
    36 LT_CURRENT=`expr $SDL_MICRO_VERSION - $SDL_INTERFACE_AGE`
    37 LT_REVISION=$SDL_INTERFACE_AGE
    38 LT_AGE=`expr $SDL_BINARY_AGE - $SDL_INTERFACE_AGE`
    39 m4_pattern_allow([^LT_])
    40 
    41 AC_SUBST(LT_RELEASE)
    42 AC_SUBST(LT_CURRENT)
    43 AC_SUBST(LT_REVISION)
    44 AC_SUBST(LT_AGE)
    45 
    46 dnl Detect the canonical build and host environments
    47 AC_CONFIG_AUX_DIR([build-scripts])
    48 dnl AC_CANONICAL_HOST
    49 AC_C_BIGENDIAN
    50 if test x$ac_cv_c_bigendian = xyes; then
    51     AC_DEFINE(SDL_BYTEORDER, 4321)
    52 else
    53     AC_DEFINE(SDL_BYTEORDER, 1234)
    54 fi
    55 
    56 dnl Check for tools
    57 AC_PROG_LIBTOOL
    58 AC_PROG_CC
    59 AC_PROG_CXX
    60 AC_PROG_INSTALL
    61 AC_PROG_MAKE_SET
    62 if test -z "$host_alias"; then
    63     hostaliaswindres=
    64 else
    65     hostaliaswindres="$host_alias-windres"
    66 fi
    67 AC_CHECK_PROGS(WINDRES, [windres $hostaliaswindres $host_os-windres])
    68 
    69 dnl Set up the compiler and linker flags
    70 INCLUDE="-I$srcdir/include"
    71 if test x$srcdir != x.; then
    72     # Remove SDL_config.h from the source directory, since it's the
    73     # default one, and we want to include the one that we generate.
    74     if test -f $srcdir/include/SDL_config.h; then
    75         rm $srcdir/include/SDL_config.h
    76     fi
    77     INCLUDE="-Iinclude $INCLUDE"
    78 fi
    79 case "$host" in
    80     *-*-cygwin*)
    81         # We build SDL on cygwin without the UNIX emulation layer
    82         BASE_CFLAGS="-I/usr/include/mingw -mno-cygwin"
    83         BASE_LDFLAGS="-mno-cygwin"
    84         ;;
    85     *)
    86         BASE_CFLAGS="-D_GNU_SOURCE=1"
    87         BASE_LDFLAGS=""
    88         ;;
    89 esac
    90 BUILD_CFLAGS="$CFLAGS $CPPFLAGS"
    91 EXTRA_CFLAGS="$INCLUDE $BASE_CFLAGS"
    92 BUILD_LDFLAGS="$LDFLAGS"
    93 EXTRA_LDFLAGS="$BASE_LDFLAGS"
    94 ## These are common directories to find software packages
    95 #for path in /usr/freeware /usr/pkg /usr/X11R6 /usr/local; do
    96 #    if test -d $path/include; then
    97 #        EXTRA_CFLAGS="$EXTRA_CFLAGS -I$path/include"
    98 #    fi
    99 #    if test -d $path/lib; then
   100 #        EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L$path/lib"
   101 #    fi
   102 #done
   103 SDL_CFLAGS="$BASE_CFLAGS"
   104 SDL_LIBS="-lSDL $BASE_LDFLAGS"
   105 CPPFLAGS="$CPPFLAGS $EXTRA_CFLAGS"
   106 CFLAGS="$CFLAGS $EXTRA_CFLAGS"
   107 LDFLAGS="$LDFLAGS $EXTRA_LDFLAGS"
   108 
   109 dnl set this to use on systems that use lib64 instead of lib
   110 base_libdir=`echo \${libdir} | sed 's/.*\/\(.*\)/\1/; q'`
   111 
   112 dnl Function to find a library in the compiler search path
   113 find_lib()
   114 {
   115     gcc_bin_path=[`$CC -print-search-dirs 2>/dev/null | fgrep programs: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
   116     gcc_lib_path=[`$CC -print-search-dirs 2>/dev/null | fgrep libraries: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
   117     env_lib_path=[`echo $LIBS $LDFLAGS $* | sed 's/-L[ ]*//g'`]
   118     if test "$cross_compiling" = yes; then
   119         host_lib_path=""
   120     else
   121         host_lib_path="/usr/$base_libdir /usr/local/$base_libdir"
   122     fi
   123     for path in $gcc_bin_path $gcc_lib_path $env_lib_path $host_lib_path; do
   124         lib=[`ls -- $path/$1 2>/dev/null | sort | sed 's/.*\/\(.*\)/\1/; q'`]
   125         if test x$lib != x; then
   126             echo $lib
   127             return
   128         fi
   129     done
   130 }
   131 
   132 dnl Check for compiler characteristics
   133 AC_C_CONST
   134 AC_C_INLINE
   135 AC_C_VOLATILE
   136 
   137 dnl See whether we are allowed to use the system C library
   138 AC_ARG_ENABLE(libc,
   139 AC_HELP_STRING([--enable-libc], [Use the system C library [[default=yes]]]),
   140               , enable_libc=yes)
   141 if test x$enable_libc = xyes; then
   142     AC_DEFINE(HAVE_LIBC)
   143 
   144     dnl Check for C library headers
   145     AC_HEADER_STDC
   146     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)
   147 
   148     dnl Check for typedefs, structures, etc.
   149     AC_TYPE_SIZE_T
   150     if test x$ac_cv_header_inttypes_h = xyes -o x$ac_cv_header_stdint_h = xyes; then
   151         AC_CHECK_TYPE(int64_t)
   152         if test x$ac_cv_type_int64_t = xyes; then
   153             AC_DEFINE(SDL_HAS_64BIT_TYPE)
   154         fi
   155         have_inttypes=yes
   156     fi
   157 
   158     dnl Checks for library functions.
   159     case "$host" in
   160     *-*-cygwin* | *-*-mingw32*)
   161         ;;
   162     *)
   163         AC_FUNC_ALLOCA
   164         ;;
   165     esac
   166 
   167     AC_FUNC_MEMCMP
   168     if test x$ac_cv_func_memcmp_working = xyes; then
   169         AC_DEFINE(HAVE_MEMCMP)
   170     fi
   171     AC_FUNC_STRTOD
   172     if test x$ac_cv_func_strtod = xyes; then
   173         AC_DEFINE(HAVE_STRTOD)
   174     fi
   175     AC_CHECK_FUNC(mprotect,
   176         AC_TRY_COMPILE([
   177           #include <sys/types.h>
   178           #include <sys/mman.h>
   179         ],[
   180         ],[
   181         AC_DEFINE(HAVE_MPROTECT)
   182         ]),
   183     )
   184     AC_CHECK_FUNCS(malloc calloc realloc free getenv 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 sscanf snprintf vsnprintf iconv sigaction setjmp nanosleep)
   185 
   186     AC_CHECK_LIB(iconv, libiconv_open, [EXTRA_LDFLAGS="$EXTRA_LDFLAGS -liconv"])
   187     AC_CHECK_LIB(m, pow, [EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm"])
   188 fi
   189 
   190 if test x$have_inttypes != xyes; then
   191     AC_CHECK_SIZEOF(char, 1)
   192     AC_CHECK_SIZEOF(short, 2)
   193     AC_CHECK_SIZEOF(int, 4)
   194     AC_CHECK_SIZEOF(long, 4)
   195     AC_CHECK_SIZEOF(long long, 8)
   196     if test x$ac_cv_sizeof_char = x1; then
   197         AC_DEFINE(int8_t, signed char)
   198         AC_DEFINE(uint8_t, unsigned char)
   199     fi
   200     if test x$ac_cv_sizeof_short = x2; then
   201         AC_DEFINE(int16_t, signed short)
   202         AC_DEFINE(uint16_t, unsigned short)
   203     else
   204         if test x$ac_cv_sizeof_int = x2; then
   205             AC_DEFINE(int16_t, signed int)
   206             AC_DEFINE(uint16_t, unsigned int)
   207         fi
   208     fi
   209     if test x$ac_cv_sizeof_int = x4; then
   210         AC_DEFINE(int32_t, signed int)
   211         AC_DEFINE(uint32_t, unsigned int)
   212     else
   213         if test x$ac_cv_sizeof_long = x4; then
   214             AC_DEFINE(int32_t, signed long)
   215             AC_DEFINE(uint32_t, unsigned long)
   216         fi
   217     fi
   218     if test x$ac_cv_sizeof_long = x8; then
   219         AC_DEFINE(int64_t, signed long)
   220         AC_DEFINE(uint64_t, unsigned long)
   221         AC_DEFINE(SDL_HAS_64BIT_TYPE)
   222     else
   223         if test x$ac_cv_sizeof_long_long = x8; then
   224             AC_DEFINE(int64_t, signed long long)
   225             AC_DEFINE(uint64_t, unsigned long long)
   226             AC_DEFINE(SDL_HAS_64BIT_TYPE)
   227         fi
   228     fi
   229     AC_DEFINE(size_t, unsigned int)
   230     AC_DEFINE(uintptr_t, unsigned long)
   231 fi
   232 
   233 # Standard C sources
   234 SOURCES="$SOURCES $srcdir/src/*.c"
   235 SOURCES="$SOURCES $srcdir/src/audio/*.c"
   236 SOURCES="$SOURCES $srcdir/src/cdrom/*.c"
   237 SOURCES="$SOURCES $srcdir/src/cpuinfo/*.c"
   238 SOURCES="$SOURCES $srcdir/src/events/*.c"
   239 SOURCES="$SOURCES $srcdir/src/file/*.c"
   240 SOURCES="$SOURCES $srcdir/src/stdlib/*.c"
   241 SOURCES="$SOURCES $srcdir/src/thread/*.c"
   242 SOURCES="$SOURCES $srcdir/src/timer/*.c"
   243 SOURCES="$SOURCES $srcdir/src/video/*.c"
   244 
   245 dnl Enable/disable various subsystems of the SDL library
   246 
   247 AC_ARG_ENABLE(audio,
   248 AC_HELP_STRING([--enable-audio], [Enable the audio subsystem [[default=yes]]]),
   249               , enable_audio=yes)
   250 if test x$enable_audio != xyes; then
   251     AC_DEFINE(SDL_AUDIO_DISABLED)
   252 fi
   253 AC_ARG_ENABLE(video,
   254 AC_HELP_STRING([--enable-video], [Enable the video subsystem [[default=yes]]]),
   255               , enable_video=yes)
   256 if test x$enable_video != xyes; then
   257     AC_DEFINE(SDL_VIDEO_DISABLED)
   258 fi
   259 AC_ARG_ENABLE(events,
   260 AC_HELP_STRING([--enable-events], [Enable the events subsystem [[default=yes]]]),
   261               , enable_events=yes)
   262 if test x$enable_events != xyes; then
   263     AC_DEFINE(SDL_EVENTS_DISABLED)
   264 fi
   265 AC_ARG_ENABLE(joystick,
   266 AC_HELP_STRING([--enable-joystick], [Enable the joystick subsystem [[default=yes]]]),
   267               , enable_joystick=yes)
   268 if test x$enable_joystick != xyes; then
   269     AC_DEFINE(SDL_JOYSTICK_DISABLED)
   270 else
   271     SOURCES="$SOURCES $srcdir/src/joystick/*.c"
   272 fi
   273 AC_ARG_ENABLE(cdrom,
   274 AC_HELP_STRING([--enable-cdrom], [Enable the cdrom subsystem [[default=yes]]]),
   275               , enable_cdrom=yes)
   276 if test x$enable_cdrom != xyes; then
   277     AC_DEFINE(SDL_CDROM_DISABLED)
   278 fi
   279 AC_ARG_ENABLE(threads,
   280 AC_HELP_STRING([--enable-threads], [Enable the threading subsystem [[default=yes]]]),
   281               , enable_threads=yes)
   282 if test x$enable_threads != xyes; then
   283     AC_DEFINE(SDL_THREADS_DISABLED)
   284 fi
   285 AC_ARG_ENABLE(timers,
   286 AC_HELP_STRING([--enable-timers], [Enable the timer subsystem [[default=yes]]]),
   287               , enable_timers=yes)
   288 if test x$enable_timers != xyes; then
   289     AC_DEFINE(SDL_TIMERS_DISABLED)
   290 fi
   291 AC_ARG_ENABLE(file,
   292 AC_HELP_STRING([--enable-file], [Enable the file subsystem [[default=yes]]]),
   293               , enable_file=yes)
   294 if test x$enable_file != xyes; then
   295     AC_DEFINE(SDL_FILE_DISABLED)
   296 fi
   297 AC_ARG_ENABLE(loadso,
   298 AC_HELP_STRING([--enable-loadso], [Enable the shared object loading subsystem [[default=yes]]]),
   299               , enable_loadso=yes)
   300 if test x$enable_loadso != xyes; then
   301     AC_DEFINE(SDL_LOADSO_DISABLED)
   302 fi
   303 AC_ARG_ENABLE(cpuinfo,
   304 AC_HELP_STRING([--enable-cpuinfo], [Enable the cpuinfo subsystem [[default=yes]]]),
   305               , enable_cpuinfo=yes)
   306 if test x$enable_cpuinfo != xyes; then
   307     AC_DEFINE(SDL_CPUINFO_DISABLED)
   308 fi
   309 AC_ARG_ENABLE(assembly,
   310 AC_HELP_STRING([--enable-assembly], [Enable assembly routines [[default=yes]]]),
   311               , enable_assembly=yes)
   312 if test x$enable_assembly = xyes; then
   313     AC_DEFINE(SDL_ASSEMBLY_ROUTINES)
   314 fi
   315 
   316 dnl See if the OSS audio interface is supported
   317 CheckOSS()
   318 {
   319     AC_ARG_ENABLE(oss,
   320 AC_HELP_STRING([--enable-oss], [support the OSS audio API [[default=yes]]]),
   321                   , enable_oss=yes)
   322     if test x$enable_audio = xyes -a x$enable_oss = xyes; then
   323         AC_MSG_CHECKING(for OSS audio support)
   324         have_oss=no
   325         if test x$have_oss != xyes; then
   326             AC_TRY_COMPILE([
   327               #include <sys/soundcard.h>
   328             ],[
   329               int arg = SNDCTL_DSP_SETFRAGMENT;
   330             ],[
   331             have_oss=yes
   332             ])
   333         fi
   334         if test x$have_oss != xyes; then
   335             AC_TRY_COMPILE([
   336               #include <soundcard.h>
   337             ],[
   338               int arg = SNDCTL_DSP_SETFRAGMENT;
   339             ],[
   340             have_oss=yes
   341             AC_DEFINE(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H)
   342             ])
   343         fi
   344         AC_MSG_RESULT($have_oss)
   345         if test x$have_oss = xyes; then
   346             AC_DEFINE(SDL_AUDIO_DRIVER_OSS)
   347             SOURCES="$SOURCES $srcdir/src/audio/dsp/*.c"
   348             SOURCES="$SOURCES $srcdir/src/audio/dma/*.c"
   349             have_audio=yes
   350 
   351             # We may need to link with ossaudio emulation library
   352             case "$host" in
   353                 *-*-openbsd*|*-*-netbsd*)
   354                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lossaudio";;
   355             esac
   356         fi
   357     fi
   358 }
   359 
   360 dnl See if the ALSA audio interface is supported
   361 CheckALSA()
   362 {
   363     AC_ARG_ENABLE(alsa,
   364 AC_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),
   365                   , enable_alsa=yes)
   366     if test x$enable_audio = xyes -a x$enable_alsa = xyes; then
   367         AM_PATH_ALSA(0.9.0, have_alsa=yes, have_alsa=no)
   368         # Restore all flags from before the ALSA detection runs
   369         CFLAGS="$alsa_save_CFLAGS"
   370         LDFLAGS="$alsa_save_LDFLAGS"
   371         LIBS="$alsa_save_LIBS"
   372         if test x$have_alsa = xyes; then
   373             AC_ARG_ENABLE(alsa-shared,
   374 AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
   375                           , enable_alsa_shared=yes)
   376             alsa_lib=[`find_lib "libasound.so.*" "$ALSA_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   377 
   378             AC_DEFINE(SDL_AUDIO_DRIVER_ALSA)
   379             SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c"
   380             EXTRA_CFLAGS="$EXTRA_CFLAGS $ALSA_CFLAGS"
   381             if test x$have_loadso != xyes && \
   382                test x$enable_alsa_shared = xyes; then
   383                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading])
   384             fi
   385             if test x$have_loadso = xyes && \
   386                test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then
   387                 echo "-- dynamic libasound -> $alsa_lib"
   388                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ALSA_DYNAMIC, "$alsa_lib")
   389             else
   390                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ALSA_LIBS"
   391             fi
   392             have_audio=yes
   393         fi
   394     fi
   395 }
   396 
   397 dnl Check whether we want to use IRIX 6.5+ native audio or not
   398 CheckDMEDIA()
   399 {
   400     if test x$enable_audio = xyes; then
   401         AC_MSG_CHECKING(for dmedia audio support)
   402         have_dmedia=no
   403         AC_TRY_COMPILE([
   404           #include <dmedia/audio.h>
   405         ],[
   406           ALport audio_port;
   407         ],[
   408         have_dmedia=yes
   409         ])
   410         AC_MSG_RESULT($have_dmedia)
   411         # Set up files for the audio library
   412         if test x$have_dmedia = xyes; then
   413             AC_DEFINE(SDL_AUDIO_DRIVER_DMEDIA)
   414             SOURCES="$SOURCES $srcdir/src/audio/dmedia/*.c"
   415             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -laudio"
   416             have_audio=yes
   417         fi
   418     fi
   419 }
   420 
   421 dnl Check whether we want to use Tru64 UNIX native audio or not
   422 CheckMME()
   423 {
   424     dnl Make sure we are running on an Tru64 UNIX
   425     case $ARCH in
   426         osf)
   427             ;;
   428         *)
   429             return
   430             ;;
   431     esac
   432     if test x$enable_audio = xyes; then
   433         AC_MSG_CHECKING(for MME audio support)
   434         MME_CFLAGS="-I/usr/include/mme"
   435         MME_LIBS="-lmme"
   436         have_mme=no
   437         save_CFLAGS="$CFLAGS"
   438         CFLAGS="$CFLAGS $MME_CFLAGS"
   439         AC_TRY_COMPILE([
   440           #include <mme_api.h>
   441         ],[
   442           HWAVEOUT sound;
   443         ],[
   444         have_mme=yes
   445         ])
   446         CFLAGS="$save_CFLAGS"
   447         AC_MSG_RESULT($have_mme)
   448         # Set up files for the audio library
   449         if test x$have_mme = xyes; then
   450             AC_DEFINE(SDL_AUDIO_DRIVER_MMEAUDIO)
   451             SOURCES="$SOURCES $srcdir/src/audio/mme/*.c"
   452             EXTRA_CFLAGS="$EXTRA_CFLAGS $MME_CFLAGS"
   453             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MME_LIBS"
   454             have_audio=yes
   455         fi
   456     fi
   457 }
   458 
   459 dnl Find the ESD includes and libraries
   460 CheckESD()
   461 {
   462     AC_ARG_ENABLE(esd,
   463 AC_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),
   464                   , enable_esd=yes)
   465     if test x$enable_audio = xyes -a x$enable_esd = xyes; then
   466         AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no)
   467         if test x$have_esd = xyes; then
   468             AC_ARG_ENABLE(esd-shared,
   469 AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
   470                           , enable_esd_shared=yes)
   471             esd_lib=[`find_lib "libesd.so.*" "$ESD_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   472 
   473             AC_DEFINE(SDL_AUDIO_DRIVER_ESD)
   474             SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"
   475             EXTRA_CFLAGS="$EXTRA_CFLAGS $ESD_CFLAGS"
   476             if test x$have_loadso != xyes && \
   477                test x$enable_esd_shared = xyes; then
   478                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading])
   479             fi
   480             if test x$have_loadso = xyes && \
   481                test x$enable_esd_shared = xyes && test x$esd_lib != x; then
   482                 echo "-- dynamic libesd -> $esd_lib"
   483                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib")
   484             else
   485                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ESD_LIBS"
   486             fi
   487             have_audio=yes
   488         fi
   489     fi
   490 }
   491 
   492 dnl Find PulseAudio
   493 CheckPulseAudio()
   494 {
   495     AC_ARG_ENABLE(pulseaudio,
   496 AC_HELP_STRING([--enable-pulseaudio], [use PulseAudio [[default=yes]]]),
   497                   , enable_pulseaudio=yes)
   498     if test x$enable_audio = xyes -a x$enable_pulseaudio = xyes; then
   499         audio_pulse=no
   500 
   501         PULSE_REQUIRED_VERSION=0.9
   502 
   503         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
   504         AC_MSG_CHECKING(for PulseAudio $PULSE_REQUIRED_VERSION support)
   505         if test x$PKG_CONFIG != xno; then
   506             if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $PULSE_REQUIRED_VERSION libpulse-simple; then
   507                 PULSE_CFLAGS=`$PKG_CONFIG --cflags libpulse-simple`
   508                 PULSE_LIBS=`$PKG_CONFIG --libs libpulse-simple`
   509                 audio_pulse=yes
   510             fi
   511         fi
   512         AC_MSG_RESULT($audio_pulse)
   513 
   514         if test x$audio_pulse = xyes; then
   515             AC_ARG_ENABLE(pulseaudio-shared,
   516 AC_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [[default=yes]]]),
   517                           , enable_pulseaudio_shared=yes)
   518             pulse_lib=[`find_lib "libpulse-simple.so.*" "$PULSE_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   519 
   520             AC_DEFINE(SDL_AUDIO_DRIVER_PULSE)
   521             SOURCES="$SOURCES $srcdir/src/audio/pulse/*.c"
   522             EXTRA_CFLAGS="$EXTRA_CFLAGS $PULSE_CFLAGS"
   523             if test x$have_loadso != xyes && \
   524                test x$enable_pulseaudio_shared = xyes; then
   525                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic PulseAudio loading])
   526             fi
   527             if test x$have_loadso = xyes && \
   528                test x$enable_pulseaudio_shared = xyes && test x$pulse_lib != x; then
   529                 echo "-- dynamic libpulse-simple -> $pulse_lib"
   530                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_PULSE_DYNAMIC, "$pulse_lib")
   531             else
   532                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $PULSE_LIBS"
   533             fi
   534             have_audio=yes
   535         fi
   536     fi
   537 }
   538 
   539 CheckARTSC()
   540 {
   541     AC_ARG_ENABLE(arts,
   542 AC_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),
   543                   , enable_arts=yes)
   544     if test x$enable_audio = xyes -a x$enable_arts = xyes; then
   545         AC_PATH_PROG(ARTSCONFIG, artsc-config)
   546         if test x$ARTSCONFIG = x -o x$ARTSCONFIG = x'"$ARTSCONFIG"'; then
   547             : # arts isn't installed
   548         else
   549             ARTS_CFLAGS=`$ARTSCONFIG --cflags`
   550             ARTS_LIBS=`$ARTSCONFIG --libs`
   551             AC_MSG_CHECKING(for aRts development environment)
   552             audio_arts=no
   553             save_CFLAGS="$CFLAGS"
   554             CFLAGS="$CFLAGS $ARTS_CFLAGS"
   555             AC_TRY_COMPILE([
   556              #include <artsc.h>
   557             ],[
   558              arts_stream_t stream;
   559             ],[
   560             audio_arts=yes
   561             ])
   562             CFLAGS="$save_CFLAGS"
   563             AC_MSG_RESULT($audio_arts)
   564             if test x$audio_arts = xyes; then
   565                 AC_ARG_ENABLE(arts-shared,
   566 AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
   567                               , enable_arts_shared=yes)
   568                 arts_lib=[`find_lib "libartsc.so.*" "$ARTS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   569 
   570                 AC_DEFINE(SDL_AUDIO_DRIVER_ARTS)
   571                 SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"
   572                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ARTS_CFLAGS"
   573                 if test x$have_loadso != xyes && \
   574                    test x$enable_arts_shared = xyes; then
   575                     AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading])
   576                 fi
   577                 if test x$have_loadso = xyes && \
   578                    test x$enable_arts_shared = xyes && test x$arts_lib != x; then
   579                     echo "-- dynamic libartsc -> $arts_lib"
   580                     AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib")
   581                 else
   582                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARTS_LIBS"
   583                 fi
   584                 have_audio=yes
   585             fi
   586         fi
   587     fi
   588 }
   589 
   590 dnl See if the NAS audio interface is supported
   591 CheckNAS()
   592 {
   593     AC_ARG_ENABLE(nas,
   594 AC_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),
   595                   , enable_nas=yes)
   596     if test x$enable_audio = xyes -a x$enable_nas = xyes; then
   597         AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes)
   598         AC_CHECK_LIB(audio, AuOpenServer, have_nas_lib=yes)
   599 
   600         AC_MSG_CHECKING(for NAS audio support)
   601         have_nas=no
   602 
   603         if test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then
   604             have_nas=yes
   605             NAS_LIBS="-laudio"
   606 
   607         elif test -r /usr/X11R6/include/audio/audiolib.h; then
   608             have_nas=yes
   609             NAS_CFLAGS="-I/usr/X11R6/include/"
   610             NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"
   611 
   612         dnl On IRIX, the NAS includes are in a different directory,
   613         dnl and libnas must be explicitly linked in
   614 
   615         elif test -r /usr/freeware/include/nas/audiolib.h; then
   616             have_nas=yes
   617             NAS_LIBS="-lnas -lXt"
   618         fi
   619 
   620         AC_MSG_RESULT($have_nas)
   621 
   622         if test x$have_nas = xyes; then
   623             AC_ARG_ENABLE(nas-shared,
   624 AC_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [[default=yes]]]),
   625                           , enable_nas_shared=yes)
   626             nas_lib=[`find_lib "libaudio.so.*" "$NAS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   627 
   628             if test x$have_loadso != xyes && \
   629                test x$enable_nas_shared = xyes; then
   630                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic NAS loading])
   631             fi
   632             if test x$have_loadso = xyes && \
   633                test x$enable_nas_shared = xyes && test x$nas_lib != x; then
   634                 echo "-- dynamic libaudio -> $nas_lib"
   635                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_NAS_DYNAMIC, "$nas_lib")
   636             else
   637                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS"
   638             fi
   639 
   640             AC_DEFINE(SDL_AUDIO_DRIVER_NAS)
   641             SOURCES="$SOURCES $srcdir/src/audio/nas/*.c"
   642             EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS"
   643             have_audio=yes
   644         fi
   645     fi
   646 }
   647 
   648 dnl rcg07142001 See if the user wants the disk writer audio driver...
   649 CheckDiskAudio()
   650 {
   651     AC_ARG_ENABLE(diskaudio,
   652 AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
   653                   , enable_diskaudio=yes)
   654     if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then
   655         AC_DEFINE(SDL_AUDIO_DRIVER_DISK)
   656         SOURCES="$SOURCES $srcdir/src/audio/disk/*.c"
   657     fi
   658 }
   659 
   660 dnl rcg03142006 See if the user wants the dummy audio driver...
   661 CheckDummyAudio()
   662 {
   663     AC_ARG_ENABLE(dummyaudio,
   664 AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
   665                   , enable_dummyaudio=yes)
   666     if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then
   667         AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY)
   668         SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c"
   669     fi
   670 }
   671 
   672 dnl Set up the Atari Audio driver
   673 CheckAtariAudio()
   674 {
   675     AC_ARG_ENABLE(mintaudio,
   676 AC_HELP_STRING([--enable-mintaudio], [support Atari audio driver [[default=yes]]]),
   677                   , enable_mintaudio=yes)
   678     if test x$enable_audio = xyes -a x$enable_mintaudio = xyes; then
   679         mintaudio=no
   680         AC_CHECK_HEADER(mint/falcon.h, have_mint_falcon_hdr=yes)
   681         if test x$have_mint_falcon_hdr = xyes; then
   682             mintaudio=yes
   683             AC_DEFINE(SDL_AUDIO_DRIVER_MINT)
   684             SOURCES="$SOURCES $srcdir/src/audio/mint/*.c"
   685             SOURCES="$SOURCES $srcdir/src/audio/mint/*.S"
   686             have_audio=yes
   687         fi
   688     fi
   689 }
   690 
   691 dnl See if we can use x86 assembly blitters
   692 # NASM is available from: http://nasm.sourceforge.net
   693 CheckNASM()
   694 {
   695     dnl Make sure we are running on an x86 platform
   696     case $host in
   697         i?86*)
   698             ;;
   699         *)
   700         # Nope, bail early.
   701             return
   702             ;;
   703     esac
   704 
   705     dnl Mac OS X might report itself as "i386" but generate x86_64 code.
   706     dnl  So see what size we think a pointer is, and bail if not 32-bit.
   707     AC_CHECK_SIZEOF([void *], 4)
   708     if test x$ac_cv_sizeof_void_p != x4; then
   709         return
   710     fi
   711 
   712     dnl Check for NASM (for assembly blit routines)
   713     AC_ARG_ENABLE(nasm,
   714 AC_HELP_STRING([--enable-nasm], [use nasm assembly blitters on x86 [[default=yes]]]),
   715                   , enable_nasm=yes)
   716     if test x$enable_video = xyes -a x$enable_assembly = xyes -a x$enable_nasm = xyes; then
   717         CompileNASM()
   718         {
   719             # Usage: CompileNASM <filename>
   720             AC_MSG_CHECKING(to see if $NASM supports $1)
   721             if $NASM $NASMFLAGS $1 -o $1.o >&AS_MESSAGE_LOG_FD 2>&1; then
   722                 CompileNASM_ret="yes"
   723             else
   724                 CompileNASM_ret="no"
   725             fi
   726             rm -f $1 $1.o
   727             AC_MSG_RESULT($CompileNASM_ret)
   728             test "$CompileNASM_ret" = "yes"
   729         }
   730 
   731         if test x"$NASMFLAGS" = x; then
   732             case $ARCH in
   733               win32)
   734                   NASMFLAGS="-f win32"
   735                   ;;
   736               openbsd)
   737                   NASMFLAGS="-f aoutb"
   738                   ;;
   739               macosx)
   740                   NASMFLAGS="-f macho"
   741                   ;;
   742               *)
   743                   NASMFLAGS="-f elf"
   744                   ;;
   745             esac
   746         fi
   747 
   748         AC_PATH_PROG(NASM, yasm)
   749         echo "%ifidn __OUTPUT_FORMAT__,elf" > unquoted-sections
   750         echo "section .note.GNU-stack noalloc noexec nowrite progbits" >> unquoted-sections
   751         echo "%endif" >> unquoted-sections
   752         CompileNASM unquoted-sections || NASM=""
   753 
   754         if test "x$NASM" = x -o "x$NASM" = x'"$NASM"'; then
   755             $as_unset ac_cv_path_NASM
   756             AC_PATH_PROG(NASM, nasm)
   757         fi
   758         if test "x$NASM" != x -a "x$NASM" != x'"$NASM"'; then
   759             AC_DEFINE(SDL_HERMES_BLITTERS)
   760             SOURCES="$SOURCES $srcdir/src/hermes/*.asm"
   761             NASMFLAGS="$NASMFLAGS -I $srcdir/src/hermes/"
   762 
   763             dnl See if hidden visibility is supported
   764             echo "GLOBAL _bar:function hidden" > symbol-visibility
   765             echo "_bar:" >> symbol-visibility
   766             CompileNASM symbol-visibility && NASMFLAGS="$NASMFLAGS -DHIDDEN_VISIBILITY"
   767 
   768             AC_SUBST(NASM)
   769             AC_SUBST(NASMFLAGS)
   770 
   771             case "$host" in
   772                 # this line is needed for QNX, because it's not defined the __ELF__
   773                 *-*-qnx*)
   774                      EXTRA_CFLAGS="$EXTRA_CFLAGS -D__ELF__";;
   775                 *-*-solaris*)
   776                      EXTRA_CFLAGS="$EXTRA_CFLAGS -D__ELF__";;
   777             esac
   778         fi
   779     fi
   780 }
   781 
   782 dnl Check for altivec instruction support using gas syntax
   783 CheckAltivec()
   784 {
   785     AC_ARG_ENABLE(altivec,
   786 AC_HELP_STRING([--enable-altivec], [use altivec assembly blitters on PPC [[default=yes]]]),
   787                   , enable_altivec=yes)
   788     if test x$enable_video = xyes -a x$enable_assembly = xyes -a x$enable_altivec = xyes; then
   789         save_CFLAGS="$CFLAGS"
   790         have_gcc_altivec=no
   791         have_altivec_h_hdr=no
   792         altivec_CFLAGS="-maltivec"
   793         CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   794 
   795         AC_MSG_CHECKING(for Altivec with GCC altivec.h and -maltivec option)
   796         AC_TRY_COMPILE([
   797         #include <altivec.h>
   798         vector unsigned int vzero() {
   799             return vec_splat_u32(0);
   800         }
   801         ],[
   802         ],[
   803         have_gcc_altivec=yes
   804         have_altivec_h_hdr=yes
   805         ])
   806         AC_MSG_RESULT($have_gcc_altivec)
   807 
   808         if test x$have_gcc_altivec = xno; then
   809             AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
   810             AC_TRY_COMPILE([
   811             vector unsigned int vzero() {
   812                 return vec_splat_u32(0);
   813             }
   814             ],[
   815             ],[
   816             have_gcc_altivec=yes
   817             ])
   818             AC_MSG_RESULT($have_gcc_altivec)
   819         fi
   820 
   821         if test x$have_gcc_altivec = xno; then
   822             AC_MSG_CHECKING(for Altivec with GCC altivec.h and -faltivec option)
   823             altivec_CFLAGS="-faltivec"
   824             CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   825             AC_TRY_COMPILE([
   826             #include <altivec.h>
   827             vector unsigned int vzero() {
   828                 return vec_splat_u32(0);
   829             }
   830             ],[
   831             ],[
   832             have_gcc_altivec=yes
   833             have_altivec_h_hdr=yes
   834             ])
   835             AC_MSG_RESULT($have_gcc_altivec)
   836 	fi
   837 
   838         if test x$have_gcc_altivec = xno; then
   839             AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
   840             AC_TRY_COMPILE([
   841             vector unsigned int vzero() {
   842                 return vec_splat_u32(0);
   843             }
   844             ],[
   845             ],[
   846             have_gcc_altivec=yes
   847             ])
   848             AC_MSG_RESULT($have_gcc_altivec)
   849         fi
   850         CFLAGS="$save_CFLAGS"
   851 
   852         if test x$have_gcc_altivec = xyes; then
   853             AC_DEFINE(SDL_ALTIVEC_BLITTERS)
   854             if test x$have_altivec_h_hdr = xyes; then
   855               AC_DEFINE(HAVE_ALTIVEC_H)
   856             fi
   857             EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
   858         fi
   859     fi
   860 }
   861 
   862 dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).
   863 dnl  Details of this flag are here: http://gcc.gnu.org/wiki/Visibility
   864 CheckVisibilityHidden()
   865 {
   866     AC_MSG_CHECKING(for GCC -fvisibility=hidden option)
   867     have_gcc_fvisibility=no
   868 
   869     visibility_CFLAGS="-fvisibility=hidden"
   870     save_CFLAGS="$CFLAGS"
   871     CFLAGS="$save_CFLAGS $visibility_CFLAGS -Werror"
   872     AC_TRY_COMPILE([
   873     #if !defined(__GNUC__) || __GNUC__ < 4
   874     #error SDL only uses visibility attributes in GCC 4 or newer
   875     #endif
   876     ],[
   877     ],[
   878     have_gcc_fvisibility=yes
   879     ])
   880     AC_MSG_RESULT($have_gcc_fvisibility)
   881     CFLAGS="$save_CFLAGS"
   882 
   883     if test x$have_gcc_fvisibility = xyes; then
   884         EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"
   885     fi
   886 }
   887 
   888 
   889 dnl Do the iPod thing
   890 CheckIPod()
   891 {
   892     AC_ARG_ENABLE(ipod,
   893 AC_HELP_STRING([--enable-ipod], [configure SDL to work with iPodLinux [[default=no]]]),
   894         , enable_ipod=no)
   895 
   896     if test x$enable_ipod = xyes; then
   897         EXTRA_CFLAGS="$EXTRA_CFLAGS -DIPOD"
   898         AC_DEFINE(SDL_VIDEO_DRIVER_IPOD)
   899         SOURCES="$SOURCES $srcdir/src/video/ipod/*.c"
   900     fi
   901 }
   902 
   903 dnl Find the nanox include and library directories
   904 CheckNANOX()
   905 {
   906     AC_ARG_ENABLE(video-nanox,
   907         AC_HELP_STRING([--enable-video-nanox], [use nanox video driver [[default=no]]]),
   908         , enable_video_nanox=no)
   909 
   910     if test x$enable_video = xyes -a x$enable_video_nanox = xyes; then
   911         AC_ARG_ENABLE(nanox-debug,  
   912             AC_HELP_STRING([--enable-nanox-debug], [print debug messages [[default=no]]]),
   913             , enable_nanox_debug=no)
   914         if test x$enable_nanox_debug = xyes; then
   915             EXTRA_CFLAGS="$EXTRA_CFLAGS -DENABLE_NANOX_DEBUG"
   916         fi
   917 
   918         AC_ARG_ENABLE(nanox-share-memory,  
   919             AC_HELP_STRING([--enable-nanox-share-memory], [use share memory [[default=no]]]),
   920             , enable_nanox_share_memory=no)
   921         if test x$enable_nanox_share_memory = xyes; then
   922             EXTRA_CFLAGS="$EXTRA_CFLAGS -DNANOX_SHARE_MEMORY"
   923         fi
   924 
   925         AC_ARG_ENABLE(nanox_direct_fb, 
   926             AC_HELP_STRING([--enable-nanox-direct-fb], [use direct framebuffer access [[default=no]]]),
   927             , enable_nanox_direct_fb=no)
   928         if test x$enable_nanox_direct_fb = xyes; then
   929             EXTRA_CFLAGS="$EXTRA_CFLAGS -DENABLE_NANOX_DIRECT_FB"
   930         fi
   931 
   932         AC_DEFINE(SDL_VIDEO_DRIVER_NANOX)
   933         SOURCES="$SOURCES $srcdir/src/video/nanox/*.c"
   934         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lnano-X"
   935         have_video=yes
   936     fi
   937 }
   938 
   939 dnl Find the X11 include and library directories
   940 CheckX11()
   941 {
   942     AC_ARG_ENABLE(video-x11,
   943 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
   944                   , enable_video_x11=yes)
   945     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
   946         case "$host" in
   947             *-*-darwin*)
   948                 # This isn't necessary for X11, but fixes GLX detection
   949                 if test "x$x_includes" = xNONE && test "x$x_libraries" = xNONE; then
   950                     x_includes="/usr/X11R6/include"
   951                     x_libraries="/usr/X11R6/lib"
   952                 fi
   953                 ;;
   954         esac
   955         AC_PATH_X
   956         AC_PATH_XTRA
   957         if test x$have_x = xyes; then
   958             # Only allow dynamically loaded X11 if the X11 function pointers
   959             # will not end up in the global namespace, which causes problems
   960             # with other libraries calling X11 functions.
   961             x11_symbols_private=$have_gcc_fvisibility
   962 
   963             AC_ARG_ENABLE(x11-shared,
   964 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
   965                           , enable_x11_shared=maybe)
   966 
   967             case "$host" in
   968                 *-*-darwin*) # Latest Mac OS X actually ships with Xrandr/Xrender libs...
   969                     x11_symbols_private=yes
   970                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
   971                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
   972                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
   973                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
   974                     ;;
   975                 *-*-osf*)
   976                     x11_lib='libX11.so'
   977                     x11ext_lib='libXext.so'
   978                     ;;
   979                 *-*-irix*) # IRIX 6.5 requires that we use /usr/lib32
   980                     x11_lib='libX11.so'
   981                     x11ext_lib='libXext.so'
   982                     ;;
   983                 *)
   984                     x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
   985                     x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
   986                     xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
   987                     xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
   988                     ;;
   989             esac
   990 
   991             X_CFLAGS="$X_CFLAGS -DXTHREADS"
   992             if test x$ac_cv_func_shmat != xyes; then
   993                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
   994             fi
   995             CFLAGS="$CFLAGS $X_CFLAGS"
   996             LDFLAGS="$LDFLAGS $X_LIBS"
   997 
   998             AC_DEFINE(SDL_VIDEO_DRIVER_X11)
   999             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
  1000             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
  1001 
  1002             if test x$enable_x11_shared = xmaybe; then
  1003                 enable_x11_shared=$x11_symbols_private
  1004             fi
  1005             if test x$have_loadso != xyes && \
  1006                test x$enable_x11_shared = xyes; then
  1007                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
  1008                 enable_x11_shared=no
  1009             fi
  1010             if test x$x11_symbols_private != xyes && \
  1011                test x$enable_x11_shared = xyes; then
  1012                 AC_MSG_WARN([You must have gcc4 (-fvisibility=hidden) for dynamic X11 loading])
  1013                 enable_x11_shared=no
  1014             fi
  1015 
  1016             if test x$have_loadso = xyes && \
  1017                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
  1018                 echo "-- dynamic libX11 -> $x11_lib"
  1019                 echo "-- dynamic libX11ext -> $x11ext_lib"
  1020                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib")
  1021                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib")
  1022             else
  1023                 enable_x11_shared=no
  1024                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
  1025             fi
  1026             have_video=yes
  1027 
  1028             AC_ARG_ENABLE(dga,
  1029 AC_HELP_STRING([--enable-dga], [allow use of X11 DGA code [[default=yes]]]),
  1030                           , enable_dga=yes)
  1031             if test x$enable_dga = xyes; then
  1032                 SOURCES="$SOURCES $srcdir/src/video/Xext/Xxf86dga/*.c"
  1033             fi
  1034             AC_ARG_ENABLE(video-dga,
  1035 AC_HELP_STRING([--enable-video-dga], [use DGA 2.0 video driver [[default=yes]]]),
  1036                   , enable_video_dga=yes)
  1037             if test x$enable_dga = xyes -a x$enable_video_dga = xyes; then
  1038                 AC_DEFINE(SDL_VIDEO_DRIVER_DGA)
  1039                 SOURCES="$SOURCES $srcdir/src/video/dga/*.c"
  1040             fi
  1041             AC_ARG_ENABLE(video-x11-dgamouse,
  1042 AC_HELP_STRING([--enable-video-x11-dgamouse], [use X11 DGA for mouse events [[default=yes]]]),
  1043                           , enable_video_x11_dgamouse=yes)
  1044             if test x$enable_dga = xyes -a x$enable_video_x11_dgamouse = xyes; then
  1045                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_DGAMOUSE)
  1046             fi
  1047             AC_ARG_ENABLE(video-x11-vm,
  1048 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
  1049                           , enable_video_x11_vm=yes)
  1050             if test x$enable_video_x11_vm = xyes; then
  1051                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_VIDMODE)
  1052                 SOURCES="$SOURCES $srcdir/src/video/Xext/Xxf86vm/*.c"
  1053             fi
  1054             AC_ARG_ENABLE(video-x11-xv,
  1055 AC_HELP_STRING([--enable-video-x11-xv], [use X11 XvImage extension for video [[default=yes]]]),
  1056                           , enable_video_x11_xv=yes)
  1057             if test x$enable_video_x11_xv = xyes; then
  1058                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XV)
  1059                 SOURCES="$SOURCES $srcdir/src/video/Xext/Xv/*.c"
  1060             fi
  1061             AC_ARG_ENABLE(video-x11-xinerama,
  1062 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
  1063                             , enable_video_x11_xinerama=yes)
  1064             if test x$enable_video_x11_xinerama = xyes; then
  1065                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA)
  1066                 SOURCES="$SOURCES $srcdir/src/video/Xext/Xinerama/*.c"
  1067             fi
  1068             AC_ARG_ENABLE(video-x11-xme,
  1069 AC_HELP_STRING([--enable-video-x11-xme], [enable Xi Graphics XME for fullscreen [[default=yes]]]),
  1070                             , enable_video_x11_xme=yes)
  1071             if test x$enable_video_x11_xme = xyes; then
  1072                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XME)
  1073                 SOURCES="$SOURCES $srcdir/src/video/Xext/XME/*.c"
  1074             fi
  1075             AC_ARG_ENABLE(video-x11-xrandr,
  1076 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
  1077                             , enable_video_x11_xrandr=yes)
  1078             if test x$enable_video_x11_xrandr = xyes; then
  1079                 definitely_enable_video_x11_xrandr=no
  1080                 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
  1081                                 have_xrandr_h_hdr=yes,
  1082                                 have_xrandr_h_hdr=no,
  1083                                 [#include <X11/Xlib.h>
  1084                                 ])
  1085                 if test x$have_xrandr_h_hdr = xyes; then
  1086                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
  1087                         echo "-- dynamic libXrender -> $xrender_lib"
  1088                         echo "-- dynamic libXrandr -> $xrandr_lib"
  1089                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRENDER, "$xrender_lib")
  1090                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib")
  1091                         definitely_enable_video_x11_xrandr=yes
  1092                     else
  1093                         AC_CHECK_LIB(Xrender, XRenderQueryExtension, have_xrender_lib=yes)
  1094                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
  1095                         if test x$have_xrender_lib = xyes && test x$have_xrandr_lib = xyes ; then
  1096                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr -lXrender"
  1097                             definitely_enable_video_x11_xrandr=yes
  1098                         fi
  1099                     fi
  1100                 fi
  1101             fi
  1102             if test x$definitely_enable_video_x11_xrandr = xyes; then
  1103                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR)
  1104             fi
  1105         fi
  1106     fi
  1107 }
  1108 
  1109 dnl Check for QNX photon video driver
  1110 CheckPHOTON()
  1111 {
  1112     AC_ARG_ENABLE(video-photon,
  1113 AC_HELP_STRING([--enable-video-photon], [use QNX Photon video driver [[default=yes]]]),
  1114                   , enable_video_photon=yes)
  1115     if test x$enable_video = xyes -a x$enable_video_photon = xyes; then
  1116         AC_MSG_CHECKING(for QNX Photon support)
  1117         video_photon=no
  1118         AC_TRY_COMPILE([
  1119           #include <Ph.h>
  1120           #include <Pt.h>
  1121           #include <photon/Pg.h>
  1122           #include <photon/PdDirect.h>
  1123         ],[
  1124          PgDisplaySettings_t *visual;
  1125         ],[
  1126         video_photon=yes
  1127         ])
  1128         AC_MSG_RESULT($video_photon)
  1129         if test x$video_photon = xyes; then
  1130             AC_DEFINE(SDL_VIDEO_DRIVER_PHOTON)
  1131             SOURCES="$SOURCES $srcdir/src/video/photon/*.c"
  1132             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lph"
  1133             have_video=yes
  1134 
  1135             CheckOpenGLQNX
  1136         fi
  1137     fi
  1138 }
  1139 
  1140 dnl Set up the BWindow video driver if enabled
  1141 CheckBWINDOW()
  1142 {
  1143     if test x$enable_video = xyes; then
  1144         AC_DEFINE(SDL_VIDEO_DRIVER_BWINDOW)
  1145         SOURCES="$SOURCES $srcdir/src/video/bwindow/*.cc"
  1146         have_video=yes
  1147     fi
  1148 }
  1149 
  1150 dnl Set up the Carbon/QuickDraw video driver for Mac OS X (but not Darwin)
  1151 CheckCARBON()
  1152 {
  1153     AC_ARG_ENABLE(video-carbon,
  1154 AC_HELP_STRING([--enable-video-carbon], [use Carbon/QuickDraw video driver [[default=no]]]),
  1155                   , enable_video_carbon=no)
  1156     if test x$enable_video = xyes -a x$enable_video_carbon = xyes; then
  1157         AC_MSG_CHECKING(for Carbon framework)
  1158         have_carbon=no
  1159         AC_TRY_COMPILE([
  1160           #include <Carbon/Carbon.h>
  1161         ],[
  1162         ],[
  1163         have_carbon=yes
  1164         ])
  1165         AC_MSG_RESULT($have_carbon)
  1166         if test x$have_carbon = xyes; then
  1167             AC_DEFINE(SDL_VIDEO_DRIVER_TOOLBOX)
  1168             SOURCES="$SOURCES $srcdir/src/video/maccommon/*.c"
  1169             SOURCES="$SOURCES $srcdir/src/video/macrom/*.c"
  1170             have_video=yes
  1171         fi
  1172     fi
  1173 }
  1174 
  1175 dnl Set up the Cocoa/Quartz video driver for Mac OS X (but not Darwin)
  1176 CheckCOCOA()
  1177 {
  1178     AC_ARG_ENABLE(video-cocoa,
  1179 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa/Quartz video driver [[default=yes]]]),
  1180                   , enable_video_cocoa=yes)
  1181     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  1182         save_CFLAGS="$CFLAGS"
  1183         dnl work around that we don't have Objective-C support in autoconf
  1184         CFLAGS="$CFLAGS -x objective-c"
  1185         AC_MSG_CHECKING(for Cocoa framework)
  1186         have_cocoa=no
  1187         AC_TRY_COMPILE([
  1188           #import <Cocoa/Cocoa.h>
  1189         ],[
  1190         ],[
  1191         have_cocoa=yes
  1192         ])
  1193         AC_MSG_RESULT($have_cocoa)
  1194         CFLAGS="$save_CFLAGS"
  1195         if test x$have_cocoa = xyes; then
  1196             AC_DEFINE(SDL_VIDEO_DRIVER_QUARTZ)
  1197             SOURCES="$SOURCES $srcdir/src/video/quartz/*.m"
  1198             have_video=yes
  1199         fi
  1200     fi
  1201 }
  1202 
  1203 dnl Find the framebuffer console includes
  1204 CheckFBCON()
  1205 {
  1206     AC_ARG_ENABLE(video-fbcon,
  1207 AC_HELP_STRING([--enable-video-fbcon], [use framebuffer console video driver [[default=yes]]]),
  1208                   , enable_video_fbcon=yes)
  1209     if test x$enable_video = xyes -a x$enable_video_fbcon = xyes; then
  1210         AC_MSG_CHECKING(for framebuffer console support)
  1211         video_fbcon=no
  1212         AC_TRY_COMPILE([
  1213          #include <linux/fb.h>
  1214          #include <linux/kd.h>
  1215          #include <linux/keyboard.h>
  1216         ],[
  1217         ],[
  1218         video_fbcon=yes
  1219         ])
  1220         AC_MSG_RESULT($video_fbcon)
  1221         if test x$video_fbcon = xyes; then
  1222             AC_CHECK_FUNCS(getpagesize)
  1223             AC_DEFINE(SDL_VIDEO_DRIVER_FBCON)
  1224             SOURCES="$SOURCES $srcdir/src/video/fbcon/*.c"
  1225             have_video=yes
  1226         fi
  1227     fi
  1228 }
  1229 
  1230 dnl Find DirectFB
  1231 CheckDirectFB()
  1232 {
  1233     AC_ARG_ENABLE(video-directfb,
  1234 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=yes]]]),
  1235                   , enable_video_directfb=yes)
  1236     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
  1237         video_directfb=no
  1238 
  1239         DIRECTFB_REQUIRED_VERSION=0.9.15
  1240 
  1241         AC_PATH_PROG(DIRECTFBCONFIG, directfb-config, no)
  1242         if test x$DIRECTFBCONFIG = xno; then
  1243             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1244             if test x$PKG_CONFIG != xno; then
  1245                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
  1246                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
  1247                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
  1248                     video_directfb=yes
  1249                 fi
  1250             fi
  1251         else
  1252             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
  1253             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1254             set -- `directfb-config --version | sed 's/\./ /g'`
  1255             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1256             if test $HAVE_VERSION -ge $NEED_VERSION; then
  1257                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
  1258                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
  1259                 video_directfb=yes
  1260             fi
  1261         fi
  1262         if test x$video_directfb = xyes; then
  1263             # SuSE 11.1 installs directfb-config without directfb-devel
  1264             save_CFLAGS="$CFLAGS"
  1265             CFLAGS="$CFLAGS $DIRECTFB_CFLAGS"
  1266             AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no)
  1267             CFLAGS="$save_CFLAGS"
  1268             video_directfb=$have_directfb_hdr
  1269         fi
  1270         AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
  1271         AC_MSG_RESULT($video_directfb)
  1272 
  1273         if test x$video_directfb = xyes; then
  1274             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB)
  1275             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
  1276             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
  1277             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
  1278             have_video=yes
  1279         fi
  1280     fi
  1281 }
  1282 
  1283 dnl See if we're running on PlayStation 2 hardware
  1284 CheckPS2GS()
  1285 {
  1286     AC_ARG_ENABLE(video-ps2gs,
  1287 AC_HELP_STRING([--enable-video-ps2gs], [use PlayStation 2 GS video driver [[default=yes]]]),
  1288                   , enable_video_ps2gs=yes)
  1289     if test x$enable_video = xyes -a x$enable_video_ps2gs = xyes; then
  1290         AC_MSG_CHECKING(for PlayStation 2 GS support)
  1291         video_ps2gs=no
  1292         AC_TRY_COMPILE([
  1293          #include <linux/ps2/dev.h>
  1294          #include <linux/ps2/gs.h>
  1295         ],[
  1296         ],[
  1297         video_ps2gs=yes
  1298         ])
  1299         AC_MSG_RESULT($video_ps2gs)
  1300         if test x$video_ps2gs = xyes; then
  1301             AC_DEFINE(SDL_VIDEO_DRIVER_PS2GS)
  1302             SOURCES="$SOURCES $srcdir/src/video/ps2gs/*.c"
  1303             have_video=yes
  1304         fi
  1305     fi
  1306 }
  1307 
  1308 dnl See if we're running on PlayStation 3 Cell hardware
  1309 CheckPS3()
  1310 {
  1311   AC_ARG_ENABLE(video-ps3,
  1312                 AC_HELP_STRING([--enable-video-ps3], [use PlayStation 3 Cell driver [[default=yes]]]),
  1313                 , enable_video_ps3=yes)
  1314   if test x$enable_video = xyes -a x$enable_video_ps3 = xyes; then
  1315     AC_MSG_CHECKING(for PlayStation 3 Cell support)
  1316     video_ps3=no
  1317     AC_TRY_COMPILE([
  1318       #include <linux/fb.h>
  1319       #include <asm/ps3fb.h>
  1320     ],[
  1321     ],[
  1322       video_ps3=yes
  1323     ])
  1324     AC_MSG_RESULT($video_ps3)
  1325     if test x$video_ps3 = xyes; then
  1326       AC_DEFINE(SDL_VIDEO_DRIVER_PS3)
  1327       SOURCES="$SOURCES $srcdir/src/video/ps3/*.c"
  1328       EXTRA_CFLAGS="$EXTRA_CFLAGS -I/opt/cell/sdk/usr/include"
  1329       EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lbilin_scaler_spu -lfb_writer_spu -lyuv2rgb_spu -L/opt/cell/sdk/usr/lib -lspe2"
  1330       have_video=yes
  1331     fi
  1332   fi
  1333 }
  1334 
  1335 dnl Find the GGI includes
  1336 CheckGGI()
  1337 {
  1338     AC_ARG_ENABLE(video-ggi,
  1339 AC_HELP_STRING([--enable-video-ggi], [use GGI video driver [[default=no]]]),
  1340                   , enable_video_ggi=no)
  1341     if test x$enable_video = xyes -a x$enable_video_ggi = xyes; then
  1342         AC_MSG_CHECKING(for GGI support)
  1343         video_ggi=no
  1344         AC_TRY_COMPILE([
  1345          #include <ggi/ggi.h>
  1346          #include <ggi/gii.h>
  1347         ],[
  1348         ],[
  1349         video_ggi=yes
  1350         ])
  1351         AC_MSG_RESULT($video_ggi)
  1352         if test x$video_ggi = xyes; then
  1353             AC_DEFINE(SDL_VIDEO_DRIVER_GGI)
  1354             SOURCES="$SOURCES $srcdir/src/video/ggi/*.c"
  1355             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lggi -lgii -lgg"
  1356             have_video=yes
  1357         fi
  1358     fi
  1359 }
  1360 
  1361 dnl Find the SVGAlib includes and libraries
  1362 CheckSVGA()
  1363 {
  1364     AC_ARG_ENABLE(video-svga,
  1365 AC_HELP_STRING([--enable-video-svga], [use SVGAlib video driver [[default=yes]]]),
  1366                   , enable_video_svga=yes)
  1367     if test x$enable_video = xyes -a x$enable_video_svga = xyes; then
  1368         AC_MSG_CHECKING(for SVGAlib (1.4.0+) support)
  1369         video_svga=no
  1370         AC_TRY_COMPILE([
  1371          #include <vga.h>
  1372          #include <vgamouse.h>
  1373          #include <vgakeyboard.h>
  1374         ],[
  1375          if ( SCANCODE_RIGHTWIN && SCANCODE_LEFTWIN ) {
  1376              exit(0);
  1377          }
  1378         ],[
  1379         video_svga=yes
  1380         ])
  1381         AC_MSG_RESULT($video_svga)
  1382         if test x$video_svga = xyes; then
  1383             AC_DEFINE(SDL_VIDEO_DRIVER_SVGALIB)
  1384             SOURCES="$SOURCES $srcdir/src/video/svga/*.c"
  1385             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lvga"
  1386             have_video=yes
  1387         fi
  1388     fi
  1389 }
  1390 
  1391 dnl Find the VGL includes and libraries
  1392 CheckVGL()
  1393 {
  1394     AC_ARG_ENABLE(video-vgl,
  1395 AC_HELP_STRING([--enable-video-vgl], [use VGL video driver [[default=yes]]]),
  1396                   , enable_video_vgl=yes)
  1397     if test x$enable_video = xyes -a x$enable_video_vgl = xyes; then
  1398         AC_MSG_CHECKING(for libVGL support)
  1399         video_vgl=no
  1400         AC_TRY_COMPILE([
  1401          #include <sys/fbio.h>
  1402          #include <sys/consio.h>
  1403          #include <sys/kbio.h>
  1404          #include <vgl.h>
  1405         ],[
  1406          VGLBitmap bitmap;
  1407          bitmap.Type = VIDBUF32;
  1408          bitmap.PixelBytes = 4;
  1409          exit(bitmap.Bitmap);
  1410         ],[
  1411         video_vgl=yes
  1412         ])
  1413         AC_MSG_RESULT($video_vgl)
  1414         if test x$video_vgl = xyes; then
  1415             AC_DEFINE(SDL_VIDEO_DRIVER_VGL)
  1416             SOURCES="$SOURCES $srcdir/src/video/vgl/*.c"
  1417             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lvgl"
  1418             have_video=yes
  1419         fi
  1420     fi
  1421 }
  1422 
  1423 dnl Set up the wscons video driver if enabled
  1424 CheckWscons()
  1425 {
  1426     AC_ARG_ENABLE(video-wscons,
  1427 AC_HELP_STRING([--enable-video-wscons], [use wscons video driver [[default=yes]]]),
  1428                   , enable_video_wscons=yes)
  1429     if test x$enable_video = xyes -a x$enable_video_wscons = xyes; then
  1430         AC_MSG_CHECKING(for wscons support)
  1431         video_wscons=no
  1432         AC_TRY_COMPILE([
  1433          #include <sys/time.h>
  1434          #include <dev/wscons/wsconsio.h>
  1435          #include <dev/wscons/wsdisplay_usl_io.h>
  1436         ],[
  1437          int wsmode = WSDISPLAYIO_MODE_DUMBFB;
  1438         ],[
  1439         video_wscons=yes
  1440         ])
  1441         AC_MSG_RESULT($video_wscons)
  1442         if test x$video_wscons = xyes; then
  1443             AC_DEFINE(SDL_VIDEO_DRIVER_WSCONS)
  1444             SOURCES="$SOURCES $srcdir/src/video/wscons/*.c"
  1445             have_video=yes
  1446         fi
  1447     fi
  1448 }
  1449 
  1450 
  1451 dnl Find the AAlib includes
  1452 CheckAAlib()
  1453 {
  1454     AC_ARG_ENABLE(video-aalib,
  1455 AC_HELP_STRING([--enable-video-aalib], [use AAlib video driver [[default=no]]]),
  1456                   , enable_video_aalib=no)
  1457     if test x$enable_video = xyes -a x$enable_video_aalib = xyes; then
  1458         AC_MSG_CHECKING(for AAlib support)
  1459         video_aalib=no
  1460         AC_TRY_COMPILE([
  1461          #include <aalib.h>
  1462         ],[
  1463         ],[
  1464         video_aalib=yes
  1465         ])
  1466         AC_MSG_RESULT($video_aalib)
  1467         if test x$video_aalib = xyes; then
  1468             AC_DEFINE(SDL_VIDEO_DRIVER_AALIB)
  1469             SOURCES="$SOURCES $srcdir/src/video/aalib/*.c"
  1470             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -laa"
  1471             have_video=yes
  1472         fi
  1473     fi
  1474 }
  1475 
  1476 dnl Find the libcaca includes
  1477 CheckCaca()
  1478 {
  1479     AC_ARG_ENABLE(video-caca,
  1480 AC_HELP_STRING([--enable-video-caca], [use libcaca video driver [[default=no]]]),
  1481                   , enable_video_caca=no)
  1482     if test x$enable_video = xyes -a x$enable_video_caca = xyes; then
  1483         video_caca=no
  1484         AC_PATH_PROG(CACACONFIG, caca-config, no)
  1485         if test x$CACACONFIG != xno; then
  1486             AC_MSG_CHECKING(for libcaca support)
  1487             CACA_CFLAGS=`$CACACONFIG --cflags`
  1488             CACA_LDFLAGS=`$CACACONFIG --libs`
  1489             save_CFLAGS="$CFLAGS"
  1490             AC_TRY_COMPILE([
  1491              #include <caca.h>
  1492             ],[
  1493             ],[
  1494              video_caca=yes
  1495             ])
  1496             CFLAGS="$save_CFLAGS"
  1497             AC_MSG_RESULT($video_caca)
  1498             if test x$video_caca = xyes; then
  1499                 AC_DEFINE(SDL_VIDEO_DRIVER_CACA)
  1500                 EXTRA_CFLAGS="$EXTRA_CFLAGS $CACA_CFLAGS"
  1501                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $CACA_LDFLAGS"
  1502                 SOURCES="$SOURCES $srcdir/src/video/caca/*.c"
  1503             fi
  1504         fi
  1505     fi
  1506 }
  1507 
  1508 dnl Set up the QTopia video driver if enabled
  1509 CheckQtopia()
  1510 {
  1511     AC_ARG_ENABLE(video-qtopia,
  1512 AC_HELP_STRING([--enable-video-qtopia], [use Qtopia video driver [[default=no]]]),
  1513                   , enable_video_qtopia=no)
  1514     if test x$enable_video = xyes -a x$enable_video_qtopia = xyes; then
  1515         AC_MSG_CHECKING(for Qtopia support)
  1516         video_qtopia=no
  1517         QTOPIA_FLAGS="-DQT_QWS_EBX -DQT_QWS_CUSTOM -DQWS -I${QPEDIR}/include -I${QTDIR}/include/ -DNO_DEBUG -fno-rtti -fno-exceptions"
  1518         AC_LANG_CPLUSPLUS
  1519         OLD_CXX="$CXXFLAGS"
  1520         CXXFLAGS="$QTOPIA_FLAGS"
  1521         AC_TRY_COMPILE([
  1522          #include <qpe/qpeapplication.h>
  1523         ],[
  1524         ],[
  1525         video_qtopia=yes
  1526         ])
  1527         CXXFLAGS="$OLD_CXX"
  1528         AC_MSG_RESULT($video_qtopia)
  1529         if test x$video_qtopia = xyes; then
  1530             AC_DEFINE(SDL_VIDEO_DRIVER_QTOPIA)
  1531             SOURCES="$SOURCES $srcdir/src/video/qtopia/*.cc"
  1532             SDLMAIN_SOURCES="$srcdir/src/main/qtopia/*.cc"
  1533             EXTRA_CFLAGS="$EXTRA_CFLAGS $QTOPIA_FLAGS"
  1534             SDL_CFLAGS="$SDL_CFLAGS -DQWS -Dmain=SDL_main"
  1535             SDL_LIBS="-lSDLmain $SDL_LIBS -L${QPEDIR}/lib -L${QTDIR}/lib/ -lqpe -lqte"
  1536             have_video=yes
  1537         fi
  1538         AC_LANG_C
  1539     fi
  1540 }
  1541 
  1542 dnl Set up the PicoGUI video driver if enabled
  1543 CheckPicoGUI()
  1544 {
  1545     AC_ARG_ENABLE(video-picogui,
  1546 AC_HELP_STRING([--enable-video-picogui], [use PicoGUI video driver [[default=no]]]),
  1547                   , enable_video_picogui=no)
  1548     if test x$enable_video = xyes -a x$enable_video_picogui = xyes; then
  1549         AC_MSG_CHECKING(for PicoGUI support)
  1550         video_picogui=no
  1551         AC_TRY_COMPILE([
  1552          #include <picogui.h>
  1553         ],[
  1554         ],[
  1555         video_picogui=yes
  1556         ])
  1557         AC_MSG_RESULT($video_picogui)
  1558         if test x$video_picogui = xyes; then
  1559             AC_DEFINE(SDL_VIDEO_DRIVER_PICOGUI)
  1560             SOURCES="$SOURCES $srcdir/src/video/picogui/*.c"
  1561             SDL_LIBS="$SDL_LIBS -lpgui"
  1562             have_video=yes
  1563         fi
  1564     fi
  1565 }
  1566 
  1567 dnl Set up the Atari Bios keyboard driver
  1568 CheckAtariBiosEvent()
  1569 {
  1570     SOURCES="$SOURCES $srcdir/src/video/ataricommon/*.c"
  1571     SOURCES="$SOURCES $srcdir/src/video/ataricommon/*.S"
  1572 }
  1573 
  1574 dnl Set up the Atari Xbios driver
  1575 CheckAtariXbiosVideo()
  1576 {
  1577     AC_ARG_ENABLE(xbios,
  1578 AC_HELP_STRING([--enable-video-xbios], [use Atari Xbios video driver [[default=yes]]]),
  1579                   , enable_video_xbios=yes)
  1580     video_xbios=no
  1581     if test x$enable_video = xyes -a x$enable_video_xbios = xyes; then
  1582         video_xbios=yes
  1583         AC_DEFINE(SDL_VIDEO_DRIVER_XBIOS)
  1584         SOURCES="$SOURCES $srcdir/src/video/xbios/*.c"
  1585         have_video=yes
  1586     fi
  1587 }
  1588 
  1589 dnl Set up the Atari Gem driver
  1590 CheckAtariGemVideo()
  1591 {
  1592     AC_ARG_ENABLE(gem,
  1593 AC_HELP_STRING([--enable-video-gem], [use Atari Gem video driver [[default=yes]]]),
  1594                   , enable_video_gem=yes)
  1595     if test x$enable_video = xyes -a x$enable_video_gem = xyes; then
  1596         video_gem=no
  1597         AC_CHECK_HEADER(gem.h, have_gem_hdr=yes)
  1598         AC_CHECK_LIB(gem, appl_init, have_gem_lib=yes)
  1599         if test x$have_gem_hdr = xyes -a x$have_gem_lib = xyes; then
  1600             video_gem=yes
  1601             AC_DEFINE(SDL_VIDEO_DRIVER_GEM)
  1602             SOURCES="$SOURCES $srcdir/src/video/gem/*.c"
  1603             SDL_LIBS="$SDL_LIBS -lgem"
  1604             have_video=yes
  1605         fi
  1606     fi
  1607 }
  1608 
  1609 dnl rcg04172001 Set up the Null video driver.
  1610 CheckDummyVideo()
  1611 {
  1612     AC_ARG_ENABLE(video-dummy,
  1613 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
  1614                   , enable_video_dummy=yes)
  1615     if test x$enable_video_dummy = xyes; then
  1616         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY)
  1617         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
  1618         have_video=yes
  1619     fi
  1620 }
  1621 
  1622 dnl Check to see if OpenGL support is desired
  1623 AC_ARG_ENABLE(video-opengl,
  1624 AC_HELP_STRING([--enable-video-opengl], [include OpenGL context creation [[default=yes]]]),
  1625               , enable_video_opengl=yes)
  1626 
  1627 dnl Find OpenGL
  1628 CheckOpenGLX11()
  1629 {
  1630     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1631         AC_MSG_CHECKING(for OpenGL (GLX) support)
  1632         video_opengl=no
  1633         AC_TRY_COMPILE([
  1634          #include <GL/gl.h>
  1635          #include <GL/glx.h>
  1636          #include <GL/glu.h>
  1637         ],[
  1638         ],[
  1639         video_opengl=yes
  1640         ])
  1641         AC_MSG_RESULT($video_opengl)
  1642         if test x$video_opengl = xyes; then
  1643             AC_DEFINE(SDL_VIDEO_OPENGL)
  1644             AC_DEFINE(SDL_VIDEO_OPENGL_GLX)
  1645         fi
  1646     fi
  1647 }
  1648 
  1649 dnl Find QNX RtP OpenGL
  1650 CheckOpenGLQNX()
  1651 {
  1652     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1653         AC_MSG_CHECKING(for OpenGL (Photon) support)
  1654         video_opengl=no
  1655         AC_TRY_COMPILE([
  1656          #include <GL/gl.h>
  1657         ],[
  1658         ],[
  1659         video_opengl=yes
  1660         ])
  1661         AC_MSG_RESULT($video_opengl)
  1662         if test x$video_opengl = xyes; then
  1663             AC_DEFINE(SDL_VIDEO_OPENGL)
  1664             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  1665         fi
  1666     fi
  1667 }
  1668 
  1669 dnl Check for Win32 OpenGL
  1670 CheckWIN32GL()
  1671 {
  1672     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1673         AC_DEFINE(SDL_VIDEO_OPENGL)
  1674         AC_DEFINE(SDL_VIDEO_OPENGL_WGL)
  1675     fi
  1676 }
  1677 
  1678 dnl Check for BeOS OpenGL
  1679 CheckBeGL()
  1680 {
  1681     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1682         AC_DEFINE(SDL_VIDEO_OPENGL)
  1683         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  1684     fi
  1685 }
  1686 
  1687 dnl Check for MacOS OpenGL
  1688 CheckMacGL()
  1689 {
  1690     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1691         AC_DEFINE(SDL_VIDEO_OPENGL)
  1692         case "$host" in
  1693             *-*-darwin*)
  1694                 if test x$enable_video_cocoa = xyes; then
  1695                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGL"
  1696                 fi
  1697                 if test x$enable_video_carbon = xyes; then
  1698                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AGL"
  1699                 fi
  1700         esac
  1701     fi
  1702 }
  1703 
  1704 dnl Check for Mesa offscreen rendering
  1705 CheckAtariOSMesa()
  1706 {
  1707     if test "x$enable_video" = "xyes" -a "x$enable_video_opengl" = "xyes"; then
  1708         AC_CHECK_HEADER(GL/osmesa.h, have_osmesa_hdr=yes)
  1709         AC_CHECK_LIB(OSMesa, OSMesaCreateContext, have_osmesa_lib=yes, have_osmesa_lib=no, -lm)
  1710 
  1711         # Static linking to -lOSMesa
  1712         AC_PATH_PROG(OSMESA_CONFIG, osmesa-config, no)
  1713         if test "x$OSMESA_CONFIG" = "xno" -o "x$enable_atari_ldg" = "xno"; then
  1714             # -lOSMesa is really the static library
  1715             if test "x$have_osmesa_hdr" = "xyes" -a "x$have_osmesa_lib" = "xyes"; then
  1716                 OSMESA_LIBS="-lOSMesa"
  1717             fi
  1718         else
  1719             # -lOSMesa is a loader for OSMesa.ldg
  1720             OSMESA_CFLAGS=`$OSMESA_CONFIG --cflags`
  1721             OSMESA_LIBS=`$OSMESA_CONFIG --libs`
  1722         fi
  1723         AC_DEFINE(SDL_VIDEO_OPENGL)
  1724         AC_DEFINE(SDL_VIDEO_OPENGL_OSMESA)
  1725         SDL_CFLAGS="$SDL_CFLAGS $OSMESA_CFLAGS"
  1726         SDL_LIBS="$SDL_LIBS $OSMESA_LIBS"
  1727 
  1728         AC_ARG_ENABLE(osmesa-shared,
  1729 AC_HELP_STRING([--enable-osmesa-shared], [dynamically load OSMesa OpenGL support [[default=yes]]]),
  1730                               , enable_osmesa_shared=yes)
  1731         if test "x$enable_osmesa_shared" = "xyes" -a "x$enable_atari_ldg" = "xyes"; then
  1732             # Dynamic linking
  1733             if test "x$have_osmesa_hdr" = "xyes"; then
  1734                 AC_DEFINE(SDL_VIDEO_OPENGL_OSMESA_DYNAMIC)
  1735             fi
  1736         fi
  1737     fi
  1738 }
  1739 
  1740 AC_ARG_ENABLE(screensaver,
  1741 AC_HELP_STRING([--enable-screensaver], [enable screensaver by default while any SDL application is running [[default=no]]]),
  1742               , enable_screensaver=no)
  1743 if test x$enable_screensaver = xno; then
  1744     AC_DEFINE(SDL_VIDEO_DISABLE_SCREENSAVER)
  1745 fi
  1746 
  1747 dnl See if we can use the new unified event interface in Linux 2.4
  1748 CheckInputEvents()
  1749 {
  1750     dnl Check for Linux 2.4 unified input event interface support
  1751     AC_ARG_ENABLE(input-events,
  1752 AC_HELP_STRING([--enable-input-events], [use Linux 2.4 unified input interface [[default=yes]]]),
  1753                   , enable_input_events=yes)
  1754     if test x$enable_input_events = xyes; then
  1755         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
  1756         use_input_events=no
  1757         AC_TRY_COMPILE([
  1758           #include <linux/input.h>
  1759         ],[
  1760           #ifndef EVIOCGNAME
  1761           #error EVIOCGNAME() ioctl not available
  1762           #endif
  1763         ],[
  1764         use_input_events=yes
  1765         ])
  1766         AC_MSG_RESULT($use_input_events)
  1767         if test x$use_input_events = xyes; then
  1768             AC_DEFINE(SDL_INPUT_LINUXEV)
  1769         fi
  1770     fi
  1771 }
  1772 
  1773 dnl See if we can use the Touchscreen input library
  1774 CheckTslib()
  1775 {
  1776     AC_ARG_ENABLE(input-tslib,
  1777 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
  1778                   , enable_input_tslib=yes)
  1779     if test x$enable_input_tslib = xyes; then
  1780         AC_MSG_CHECKING(for Touchscreen library support)
  1781         enable_input_tslib=no
  1782         AC_TRY_COMPILE([
  1783           #include "tslib.h"
  1784         ],[
  1785         ],[
  1786         enable_input_tslib=yes
  1787         ])
  1788         AC_MSG_RESULT($enable_input_tslib)
  1789         if test x$enable_input_tslib = xyes; then
  1790             AC_DEFINE(SDL_INPUT_TSLIB)
  1791             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
  1792         fi
  1793     fi
  1794 }
  1795 
  1796 dnl See if we can use GNU pth library for threads
  1797 CheckPTH()
  1798 {
  1799     dnl Check for pth support
  1800     AC_ARG_ENABLE(pth,
  1801 AC_HELP_STRING([--enable-pth], [use GNU pth library for multi-threading [[default=yes]]]),
  1802                   , enable_pth=yes)
  1803     if test x$enable_threads = xyes -a x$enable_pth = xyes; then
  1804         AC_PATH_PROG(PTH_CONFIG, pth-config, no)
  1805         if test "$PTH_CONFIG" = "no"; then
  1806             use_pth=no
  1807         else
  1808             use_pth=yes
  1809         fi
  1810         AC_MSG_CHECKING(pth)
  1811         AC_MSG_RESULT($use_pth)
  1812         if test "x$use_pth" = xyes; then
  1813             AC_DEFINE(SDL_THREAD_PTH)
  1814             SOURCES="$SOURCES $srcdir/src/thread/pth/*.c"
  1815             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  1816             SDL_CFLAGS="$SDL_CFLAGS `$PTH_CONFIG --cflags`"
  1817             SDL_LIBS="$SDL_LIBS `$PTH_CONFIG --libs --all`"
  1818             have_threads=yes
  1819         fi
  1820     fi
  1821 }
  1822 
  1823 dnl See what type of thread model to use on Linux and Solaris
  1824 CheckPTHREAD()
  1825 {
  1826     dnl Check for pthread support
  1827     AC_ARG_ENABLE(pthreads,
  1828 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
  1829                   , enable_pthreads=yes)
  1830     dnl This is used on Linux for glibc binary compatibility (Doh!)
  1831     AC_ARG_ENABLE(pthread-sem,
  1832 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
  1833                   , enable_pthread_sem=yes)
  1834     case "$host" in
  1835         *-*-linux*|*-*-uclinux*)
  1836             pthread_cflags="-D_REENTRANT"
  1837             pthread_lib="-lpthread"
  1838             ;;
  1839         *-*-bsdi*)
  1840             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  1841             pthread_lib=""
  1842             ;;
  1843         *-*-darwin*)
  1844             pthread_cflags="-D_THREAD_SAFE"
  1845 # causes Carbon.p complaints?
  1846 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  1847             ;;
  1848         *-*-freebsd*|*-*-dragonfly*)
  1849             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  1850             pthread_lib="-pthread"
  1851             ;;
  1852         *-*-netbsd*)
  1853             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  1854             pthread_lib="-lpthread"
  1855             ;;
  1856         *-*-openbsd*)
  1857             pthread_cflags="-D_REENTRANT"
  1858             pthread_lib="-pthread"
  1859             ;;
  1860         *-*-solaris*)
  1861             pthread_cflags="-D_REENTRANT"
  1862             pthread_lib="-lpthread -lposix4"
  1863             ;;
  1864         *-*-sysv5*)
  1865             pthread_cflags="-D_REENTRANT -Kthread"
  1866             pthread_lib=""
  1867             ;;
  1868         *-*-irix*)
  1869             pthread_cflags="-D_SGI_MP_SOURCE"
  1870             pthread_lib="-lpthread"
  1871             ;;
  1872         *-*-aix*)
  1873             pthread_cflags="-D_REENTRANT -mthreads"
  1874             pthread_lib="-lpthread"
  1875             ;;
  1876         *-*-hpux11*)
  1877             pthread_cflags="-D_REENTRANT"
  1878             pthread_lib="-L/usr/lib -lpthread"
  1879             ;;
  1880         *-*-qnx*)
  1881             pthread_cflags=""
  1882             pthread_lib=""
  1883             ;;
  1884         *-*-osf*)
  1885             pthread_cflags="-D_REENTRANT"
  1886             if test x$ac_cv_prog_gcc = xyes; then
  1887                 pthread_lib="-lpthread -lrt"
  1888             else
  1889                 pthread_lib="-lpthread -lexc -lrt"
  1890             fi
  1891             ;;
  1892         *)
  1893             pthread_cflags="-D_REENTRANT"
  1894             pthread_lib="-lpthread"
  1895             ;;
  1896     esac
  1897     if test x$enable_threads = xyes -a x$enable_pthreads = xyes -a x$enable_ipod != xyes; then
  1898         # Save the original compiler flags and libraries
  1899         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  1900         # Add the pthread compiler flags and libraries
  1901         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  1902         # Check to see if we have pthread support on this system
  1903         AC_MSG_CHECKING(for pthreads)
  1904         use_pthreads=no
  1905         AC_TRY_LINK([
  1906          #include <pthread.h>
  1907         ],[
  1908          pthread_attr_t type;
  1909          pthread_attr_init(&type);
  1910         ],[
  1911         use_pthreads=yes
  1912         ])
  1913         AC_MSG_RESULT($use_pthreads)
  1914         # Restore the compiler flags and libraries
  1915         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  1916 
  1917         # Do futher testing if we have pthread support...
  1918         if test x$use_pthreads = xyes; then
  1919             AC_DEFINE(SDL_THREAD_PTHREAD)
  1920             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
  1921             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
  1922             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
  1923             SDL_LIBS="$SDL_LIBS $pthread_lib"
  1924 
  1925             # Save the original compiler flags and libraries
  1926             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  1927             # Add the pthread compiler flags and libraries
  1928             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  1929 
  1930             # Check to see if recursive mutexes are available
  1931             AC_MSG_CHECKING(for recursive mutexes)
  1932             has_recursive_mutexes=no
  1933             if test x$has_recursive_mutexes = xno; then
  1934                 AC_TRY_COMPILE([
  1935                   #include <pthread.h>
  1936                 ],[
  1937                   pthread_mutexattr_t attr;
  1938                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
  1939                 ],[
  1940                 has_recursive_mutexes=yes
  1941                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX)
  1942                 ])
  1943             fi
  1944             if test x$has_recursive_mutexes = xno; then
  1945                 AC_TRY_COMPILE([
  1946                   #include <pthread.h>
  1947                 ],[
  1948                   pthread_mutexattr_t attr;
  1949                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
  1950                 ],[
  1951                 has_recursive_mutexes=yes
  1952                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP)
  1953                 ])
  1954             fi
  1955             AC_MSG_RESULT($has_recursive_mutexes)
  1956 
  1957             # Check to see if pthread semaphore support is missing
  1958             if test x$enable_pthread_sem = xyes; then
  1959                 AC_MSG_CHECKING(for pthread semaphores)
  1960                 have_pthread_sem=no
  1961                 AC_TRY_COMPILE([
  1962                   #include <pthread.h>
  1963                   #include <semaphore.h>
  1964                 ],[
  1965                 ],[
  1966                 have_pthread_sem=yes
  1967                 ])
  1968                 AC_MSG_RESULT($have_pthread_sem)
  1969             fi
  1970 
  1971             # Restore the compiler flags and libraries
  1972             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  1973 
  1974             # Basic thread creation functions
  1975             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
  1976 
  1977             # Semaphores
  1978             # We can fake these with mutexes and condition variables if necessary
  1979             if test x$have_pthread_sem = xyes; then
  1980                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
  1981             else
  1982                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  1983             fi
  1984 
  1985             # Mutexes
  1986             # We can fake these with semaphores if necessary
  1987             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
  1988 
  1989             # Condition variables
  1990             # We can fake these with semaphores and mutexes if necessary
  1991             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
  1992 
  1993             have_threads=yes
  1994         else
  1995             CheckPTH
  1996         fi
  1997     fi
  1998 }
  1999 
  2000 dnl Determine whether the compiler can produce Win32 executables
  2001 CheckWIN32()
  2002 {
  2003     AC_MSG_CHECKING(Win32 compiler)
  2004     have_win32_gcc=no
  2005     AC_TRY_COMPILE([
  2006      #include <windows.h>
  2007     ],[
  2008     ],[
  2009     have_win32_gcc=yes
  2010     ])
  2011     AC_MSG_RESULT($have_win32_gcc)
  2012     if test x$have_win32_gcc != xyes; then
  2013        AC_MSG_ERROR([
  2014 *** Your compiler ($CC) does not produce Win32 executables!
  2015        ])
  2016     fi
  2017 
  2018     dnl See if the user wants to redirect standard output to files
  2019     AC_ARG_ENABLE(stdio-redirect,
  2020 AC_HELP_STRING([--enable-stdio-redirect], [Redirect STDIO to files on Win32 [[default=yes]]]),
  2021                   , enable_stdio_redirect=yes)
  2022     if test x$enable_stdio_redirect != xyes; then
  2023         EXTRA_CFLAGS="$EXTRA_CFLAGS -DNO_STDIO_REDIRECT"
  2024     fi
  2025 
  2026     if test x$enable_video = xyes; then
  2027         AC_DEFINE(SDL_VIDEO_DRIVER_WINDIB)
  2028         SOURCES="$SOURCES $srcdir/src/video/wincommon/*.c"
  2029         SOURCES="$SOURCES $srcdir/src/video/windib/*.c"
  2030         have_video=yes
  2031     fi
  2032 }
  2033 
  2034 dnl Find the DirectX includes and libraries
  2035 CheckDIRECTX()
  2036 {
  2037     AC_ARG_ENABLE(directx,
  2038 AC_HELP_STRING([--enable-directx], [use DirectX for Win32 audio/video [[default=yes]]]),
  2039                   , enable_directx=yes)
  2040     if test x$enable_directx = xyes; then
  2041         have_directx=no
  2042         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
  2043         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
  2044         AC_CHECK_HEADER(dinput.h, use_dinput=yes)
  2045         if test x$have_ddraw = xyes -a x$have_dsound = xyes -a x$use_dinput = xyes; then
  2046             have_directx=yes
  2047         fi
  2048         if test x$enable_video = xyes -a x$have_directx = xyes; then
  2049             AC_DEFINE(SDL_VIDEO_DRIVER_DDRAW)
  2050             SOURCES="$SOURCES $srcdir/src/video/windx5/*.c"
  2051             have_video=yes
  2052         fi
  2053     fi
  2054 }
  2055 
  2056 dnl Check for the dlfcn.h interface for dynamically loading objects
  2057 CheckDLOPEN()
  2058 {
  2059     AC_ARG_ENABLE(sdl-dlopen,
  2060 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
  2061                   , enable_sdl_dlopen=yes)
  2062     if test x$enable_sdl_dlopen = xyes; then
  2063         AC_MSG_CHECKING(for dlopen)
  2064         have_dlopen=no
  2065         AC_TRY_COMPILE([
  2066          #include <dlfcn.h>
  2067         ],[
  2068          #if defined(MAC_OS_X_VERSION_MIN_REQUIRED) && MAC_OS_X_VERSION_MIN_REQUIRED <= 1020
  2069          #error Use dlcompat for Mac OS X 10.2 compatibility
  2070          #endif
  2071         ],[
  2072         have_dlopen=yes
  2073         ])
  2074         AC_MSG_RESULT($have_dlopen)
  2075 
  2076         if test x$have_dlopen = xyes; then
  2077             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
  2078                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
  2079                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
  2080             AC_DEFINE(SDL_LOADSO_DLOPEN)
  2081             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
  2082             have_loadso=yes
  2083         fi
  2084     fi
  2085 }
  2086 
  2087 dnl Set up the Atari LDG (shared object loader)
  2088 CheckAtariLdg()
  2089 {
  2090     AC_ARG_ENABLE(atari-ldg,
  2091 AC_HELP_STRING([--enable-atari-ldg], [use Atari LDG for shared object loading [[default=yes]]]),
  2092                   , enable_atari_ldg=yes)
  2093     if test x$video_gem = xyes -a x$enable_atari_ldg = xyes; then
  2094         AC_CHECK_HEADER(ldg.h, have_ldg_hdr=yes)
  2095         AC_CHECK_LIB(ldg, ldg_open, have_ldg_lib=yes, have_ldg_lib=no, -lgem)
  2096         if test x$have_ldg_hdr = xyes -a x$have_ldg_lib = xyes; then
  2097             AC_DEFINE(SDL_LOADSO_LDG)
  2098             SOURCES="$SOURCES $srcdir/src/loadso/mint/*.c"
  2099             SDL_LIBS="$SDL_LIBS -lldg -lgem"
  2100             have_loadso=yes
  2101         fi
  2102     fi
  2103 }
  2104 
  2105 dnl Check for the usbhid(3) library on *BSD
  2106 CheckUSBHID()
  2107 {
  2108     if test x$enable_joystick = xyes; then
  2109         AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
  2110         if test x$have_libusbhid = xyes; then
  2111             AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
  2112             AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
  2113             USB_LIBS="$USB_LIBS -lusbhid"
  2114         else
  2115             AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
  2116             AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
  2117             AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
  2118         fi
  2119             
  2120         save_CFLAGS="$CFLAGS"
  2121         CFLAGS="$CFLAGS $USB_CFLAGS"
  2122 
  2123         AC_MSG_CHECKING(for usbhid)
  2124         have_usbhid=no
  2125         AC_TRY_COMPILE([
  2126           #include <sys/types.h>
  2127           #if defined(HAVE_USB_H)
  2128           #include <usb.h>
  2129           #endif
  2130           #ifdef __DragonFly__
  2131           # include <bus/usb/usb.h>
  2132           # include <bus/usb/usbhid.h>
  2133           #else
  2134           # include <dev/usb/usb.h>
  2135           # include <dev/usb/usbhid.h>
  2136           #endif
  2137           #if defined(HAVE_USBHID_H)
  2138           #include <usbhid.h>
  2139           #elif defined(HAVE_LIBUSB_H)
  2140           #include <libusb.h>
  2141           #elif defined(HAVE_LIBUSBHID_H)
  2142           #include <libusbhid.h>
  2143           #endif
  2144         ],[
  2145           struct report_desc *repdesc;
  2146           struct usb_ctl_report *repbuf;
  2147           hid_kind_t hidkind;
  2148         ],[
  2149         have_usbhid=yes
  2150         ])
  2151         AC_MSG_RESULT($have_usbhid)
  2152 
  2153         if test x$have_usbhid = xyes; then
  2154             AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
  2155             have_usbhid_ucr_data=no
  2156             AC_TRY_COMPILE([
  2157               #include <sys/types.h>
  2158               #if defined(HAVE_USB_H)
  2159               #include <usb.h>
  2160               #endif
  2161               #ifdef __DragonFly__
  2162               # include <bus/usb/usb.h>
  2163               # include <bus/usb/usbhid.h>
  2164               #else
  2165               # include <dev/usb/usb.h>
  2166               # include <dev/usb/usbhid.h>
  2167               #endif
  2168               #if defined(HAVE_USBHID_H)
  2169               #include <usbhid.h>
  2170               #elif defined(HAVE_LIBUSB_H)
  2171               #include <libusb.h>
  2172               #elif defined(HAVE_LIBUSBHID_H)
  2173               #include <libusbhid.h>
  2174               #endif
  2175             ],[
  2176               struct usb_ctl_report buf;
  2177               if (buf.ucr_data) { }
  2178             ],[
  2179             have_usbhid_ucr_data=yes
  2180             ])
  2181             if test x$have_usbhid_ucr_data = xyes; then
  2182                 USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
  2183             fi
  2184             AC_MSG_RESULT($have_usbhid_ucr_data)
  2185             
  2186             AC_MSG_CHECKING(for new usbhid API)
  2187             have_usbhid_new=no
  2188             AC_TRY_COMPILE([
  2189               #include <sys/types.h>
  2190               #if defined(HAVE_USB_H)
  2191               #include <usb.h>
  2192               #endif
  2193               #ifdef __DragonFly__
  2194               #include <bus/usb/usb.h>
  2195               #include <bus/usb/usbhid.h>
  2196               #else
  2197               #include <dev/usb/usb.h>
  2198               #include <dev/usb/usbhid.h>
  2199               #endif
  2200               #if defined(HAVE_USBHID_H)
  2201               #include <usbhid.h>
  2202               #elif defined(HAVE_LIBUSB_H)
  2203               #include <libusb.h>
  2204               #elif defined(HAVE_LIBUSBHID_H)
  2205               #include <libusbhid.h>
  2206               #endif
  2207             ],[
  2208               report_desc_t d;
  2209               hid_start_parse(d, 1, 1);
  2210             ],[
  2211             have_usbhid_new=yes
  2212             ])
  2213             if test x$have_usbhid_new = xyes; then
  2214                 USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
  2215             fi
  2216             AC_MSG_RESULT($have_usbhid_new)
  2217 
  2218             AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
  2219             have_machine_joystick=no
  2220             AC_TRY_COMPILE([
  2221               #include <machine/joystick.h>
  2222             ],[
  2223               struct joystick t;
  2224             ],[
  2225             have_machine_joystick=yes
  2226             ])
  2227             if test x$have_machine_joystick = xyes; then
  2228                 AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H)
  2229             fi
  2230             AC_MSG_RESULT($have_machine_joystick)
  2231 
  2232             AC_DEFINE(SDL_JOYSTICK_USBHID)
  2233             SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
  2234             EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
  2235             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
  2236             have_joystick=yes
  2237         fi
  2238         CFLAGS="$save_CFLAGS"
  2239     fi
  2240 }
  2241 
  2242 dnl Check for clock_gettime()
  2243 CheckClockGettime()
  2244 {
  2245     AC_ARG_ENABLE(clock_gettime,
  2246 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=no]]]),
  2247                   , enable_clock_gettime=no)
  2248     if test x$enable_clock_gettime = xyes; then
  2249         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
  2250         if test x$have_clock_gettime = xyes; then
  2251             AC_DEFINE(HAVE_CLOCK_GETTIME)
  2252             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
  2253         fi
  2254     fi
  2255 }
  2256 
  2257 dnl Check for a valid linux/version.h
  2258 CheckLinuxVersion()
  2259 {
  2260     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
  2261     if test x$have_linux_version_h = xyes; then
  2262         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
  2263     fi
  2264 }
  2265 
  2266 dnl Check if we want to use RPATH
  2267 CheckRPATH()
  2268 {
  2269     AC_ARG_ENABLE(rpath,
  2270 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
  2271                   , enable_rpath=yes)
  2272 }
  2273 
  2274 dnl Set up the configuration based on the host platform!
  2275 case "$host" in
  2276     arm-*-elf*) # FIXME: Can we get more specific for iPodLinux?
  2277         ARCH=linux
  2278         CheckDummyVideo
  2279         CheckIPod
  2280         # Set up files for the timer library
  2281         if test x$enable_timers = xyes; then
  2282             AC_DEFINE(SDL_TIMER_UNIX)
  2283             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2284             have_timers=yes
  2285         fi
  2286         ;;
  2287     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-irix*|*-*-aix*|*-*-osf*)
  2288         case "$host" in
  2289             *-*-linux*)         ARCH=linux ;;
  2290             *-*-uclinux*)       ARCH=linux ;;
  2291             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
  2292             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
  2293             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
  2294             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
  2295             *-*-bsdi*)          ARCH=bsdi ;;
  2296             *-*-freebsd*)       ARCH=freebsd ;;
  2297             *-*-dragonfly*)     ARCH=freebsd ;;
  2298             *-*-netbsd*)        ARCH=netbsd ;;
  2299             *-*-openbsd*)       ARCH=openbsd ;;
  2300             *-*-sysv5*)         ARCH=sysv5 ;;
  2301             *-*-solaris*)       ARCH=solaris ;;
  2302             *-*-hpux*)          ARCH=hpux ;;
  2303             *-*-irix*)          ARCH=irix ;;
  2304             *-*-aix*)           ARCH=aix ;;
  2305             *-*-osf*)           ARCH=osf ;;
  2306         esac
  2307         CheckVisibilityHidden
  2308         CheckDummyVideo
  2309         CheckDiskAudio
  2310         CheckDummyAudio
  2311         CheckDLOPEN
  2312         CheckNASM
  2313         CheckAltivec
  2314         CheckOSS
  2315         CheckDMEDIA
  2316         CheckMME
  2317         CheckALSA
  2318         CheckARTSC
  2319         CheckESD
  2320         CheckPulseAudio
  2321         CheckNAS
  2322         CheckX11
  2323         CheckNANOX
  2324         CheckFBCON
  2325         CheckDirectFB
  2326         CheckPS2GS
  2327         CheckPS3
  2328         CheckGGI
  2329         CheckSVGA
  2330         CheckVGL
  2331         CheckWscons
  2332         CheckAAlib
  2333         CheckCaca
  2334         CheckQtopia
  2335         CheckPicoGUI
  2336         CheckOpenGLX11
  2337         CheckInputEvents
  2338         CheckTslib
  2339         CheckUSBHID
  2340         CheckPTHREAD
  2341         CheckClockGettime
  2342         CheckLinuxVersion
  2343         CheckRPATH
  2344         # Set up files for the audio library
  2345         if test x$enable_audio = xyes; then
  2346           case $ARCH in
  2347             sysv5|solaris|hpux)
  2348                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO)
  2349                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  2350                 have_audio=yes
  2351             ;;
  2352             netbsd|openbsd)
  2353                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD)
  2354                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
  2355                 have_audio=yes
  2356             ;;
  2357             aix)
  2358                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUD)
  2359                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
  2360                 have_audio=yes
  2361             ;;
  2362           esac
  2363         fi
  2364         # Set up files for the joystick library
  2365         if test x$enable_joystick = xyes; then
  2366           case $ARCH in
  2367             linux)
  2368                 AC_DEFINE(SDL_JOYSTICK_LINUX)
  2369                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
  2370                 have_joystick=yes
  2371             ;;
  2372           esac
  2373         fi
  2374         # Set up files for the cdrom library
  2375         if test x$enable_cdrom = xyes; then
  2376           case $ARCH in
  2377             linux|solaris)
  2378                 AC_DEFINE(SDL_CDROM_LINUX)
  2379                 SOURCES="$SOURCES $srcdir/src/cdrom/linux/*.c"
  2380                 have_cdrom=yes
  2381             ;;
  2382             *freebsd*)
  2383                 AC_DEFINE(SDL_CDROM_FREEBSD)
  2384                 SOURCES="$SOURCES $srcdir/src/cdrom/freebsd/*.c"
  2385                 have_cdrom=yes
  2386             ;;
  2387             *openbsd*|*netbsd*)
  2388                 AC_DEFINE(SDL_CDROM_OPENBSD)
  2389                 SOURCES="$SOURCES $srcdir/src/cdrom/openbsd/*.c"
  2390                 have_cdrom=yes
  2391             ;;
  2392             bsdi)
  2393                 AC_DEFINE(SDL_CDROM_BSDI)
  2394                 SOURCES="$SOURCES $srcdir/src/cdrom/bsdi/*.c"
  2395                 have_cdrom=yes
  2396             ;;
  2397             aix)
  2398                 AC_DEFINE(SDL_CDROM_AIX)
  2399                 SOURCES="$SOURCES $srcdir/src/cdrom/aix/*.c"
  2400                 have_cdrom=yes
  2401             ;;
  2402             osf)
  2403                 AC_DEFINE(SDL_CDROM_OSF)
  2404                 SOURCES="$SOURCES $srcdir/src/cdrom/osf/*.c"
  2405                 have_cdrom=yes
  2406             ;;
  2407           esac
  2408         fi
  2409         # Set up files for the thread library
  2410         if test x$enable_threads = xyes -a x$use_pthreads != xyes -a x$use_pth != xyes -a x$ARCH = xirix; then
  2411             AC_DEFINE(SDL_THREAD_SPROC)
  2412             SOURCES="$SOURCES $srcdir/src/thread/irix/*.c"
  2413             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_sysmutex.c"
  2414             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2415             have_threads=yes
  2416         fi
  2417         # Set up files for the timer library
  2418         if test x$enable_timers = xyes; then
  2419             AC_DEFINE(SDL_TIMER_UNIX)
  2420             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2421             have_timers=yes
  2422         fi
  2423         ;;
  2424     *-*-qnx*)
  2425         ARCH=qnx
  2426         CheckDummyVideo
  2427         CheckDiskAudio
  2428         CheckDummyAudio
  2429         # CheckNASM
  2430         CheckDLOPEN
  2431         CheckNAS
  2432         CheckPHOTON
  2433         CheckX11
  2434         CheckOpenGLX11
  2435         CheckPTHREAD
  2436         # Set up files for the audio library
  2437         if test x$enable_audio = xyes; then
  2438             AC_DEFINE(SDL_AUDIO_DRIVER_QNXNTO)
  2439             SOURCES="$SOURCES $srcdir/src/audio/nto/*.c"
  2440             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lasound"
  2441             have_audio=yes
  2442         fi
  2443         # Set up files for the cdrom library
  2444         if test x$enable_cdrom = xyes; then
  2445             AC_DEFINE(SDL_CDROM_QNX)
  2446             SOURCES="$SOURCES $srcdir/src/cdrom/qnx/*.c"
  2447             have_cdrom=yes
  2448         fi
  2449         # Set up files for the timer library
  2450         if test x$enable_timers = xyes; then
  2451             AC_DEFINE(SDL_TIMER_UNIX)
  2452             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2453             have_timers=yes
  2454         fi
  2455         ;;
  2456     *-*-cygwin* | *-*-mingw32*)
  2457         ARCH=win32
  2458         if test "$build" != "$host"; then # cross-compiling
  2459             # Default cross-compile location
  2460             ac_default_prefix=/usr/local/cross-tools/i386-mingw32
  2461         else
  2462             # Look for the location of the tools and install there
  2463             if test "$BUILD_PREFIX" != ""; then
  2464                 ac_default_prefix=$BUILD_PREFIX
  2465             fi
  2466         fi
  2467         CheckDummyVideo
  2468         CheckDiskAudio
  2469         CheckDummyAudio
  2470         CheckWIN32
  2471         CheckWIN32GL
  2472         CheckDIRECTX
  2473         CheckNASM
  2474         # Set up files for the audio library
  2475         if test x$enable_audio = xyes; then
  2476             AC_DEFINE(SDL_AUDIO_DRIVER_WAVEOUT)
  2477             SOURCES="$SOURCES $srcdir/src/audio/windib/*.c"
  2478             if test x$have_directx = xyes; then
  2479                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND)
  2480                 SOURCES="$SOURCES $srcdir/src/audio/windx5/*.c"
  2481             fi
  2482             have_audio=yes
  2483         fi
  2484         # Set up files for the joystick library
  2485         if test x$enable_joystick = xyes; then
  2486             AC_DEFINE(SDL_JOYSTICK_WINMM)
  2487             SOURCES="$SOURCES $srcdir/src/joystick/win32/*.c"
  2488             have_joystick=yes
  2489         fi
  2490         # Set up files for the cdrom library
  2491         if test x$enable_cdrom = xyes; then
  2492             AC_DEFINE(SDL_CDROM_WIN32)
  2493             SOURCES="$SOURCES $srcdir/src/cdrom/win32/*.c"
  2494             have_cdrom=yes
  2495         fi
  2496         # Set up files for the thread library
  2497         if test x$enable_threads = xyes; then
  2498             AC_DEFINE(SDL_THREAD_WIN32)
  2499             SOURCES="$SOURCES $srcdir/src/thread/win32/SDL_sysmutex.c"
  2500             SOURCES="$SOURCES $srcdir/src/thread/win32/SDL_syssem.c"
  2501             SOURCES="$SOURCES $srcdir/src/thread/win32/SDL_systhread.c"
  2502             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2503             have_threads=yes
  2504         fi
  2505         # Set up files for the timer library
  2506         if test x$enable_timers = xyes; then
  2507             AC_DEFINE(SDL_TIMER_WIN32)
  2508             SOURCES="$SOURCES $srcdir/src/timer/win32/*.c"
  2509             have_timers=yes
  2510         fi
  2511         # Set up files for the shared object loading library
  2512         if test x$enable_loadso = xyes; then
  2513             AC_DEFINE(SDL_LOADSO_WIN32)
  2514             SOURCES="$SOURCES $srcdir/src/loadso/win32/*.c"
  2515             have_loadso=yes
  2516         fi
  2517         # Set up the system libraries we need
  2518         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm"
  2519         if test x$have_directx = xyes; then
  2520             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldxguid"
  2521         fi
  2522         # The Win32 platform requires special setup
  2523         SOURCES="$SOURCES $srcdir/src/main/win32/*.rc"
  2524         SDLMAIN_SOURCES="$srcdir/src/main/win32/*.c"
  2525         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
  2526         SDL_LIBS="-lmingw32 -lSDLmain $SDL_LIBS -mwindows"
  2527         ;;
  2528     *-wince*)
  2529         ARCH=win32
  2530         CheckDummyVideo
  2531         CheckDiskAudio
  2532         CheckDummyAudio
  2533         CheckWIN32
  2534         CheckNASM
  2535         SOURCES="$SOURCES $srcdir/src/video/gapi/*.c"
  2536         EXTRA_CFLAGS="$EXTRA_CFLAGS -D_WIN32_WCE=0x420"
  2537         if test x$enable_audio = xyes; then
  2538             AC_DEFINE(SDL_AUDIO_DRIVER_WAVEOUT)
  2539             SOURCES="$SOURCES $srcdir/src/audio/windib/*.c"
  2540             have_audio=yes
  2541         fi
  2542         # Set up files for the thread library
  2543         if test x$enable_threads = xyes; then
  2544             AC_DEFINE(SDL_THREAD_WIN32)
  2545             SOURCES="$SOURCES $srcdir/src/thread/win32/SDL_sysmutex.c"
  2546             SOURCES="$SOURCES $srcdir/src/thread/win32/SDL_syssem.c"
  2547             SOURCES="$SOURCES $srcdir/src/thread/win32/SDL_systhread.c"
  2548             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2549             have_threads=yes
  2550         fi
  2551         # Set up files for the timer library
  2552         if test x$enable_timers = xyes; then
  2553             AC_DEFINE(SDL_TIMER_WINCE)
  2554             SOURCES="$SOURCES $srcdir/src/timer/wince/*.c"
  2555             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lcoredll -lmmtimer"
  2556             have_timers=yes
  2557         fi
  2558         # Set up files for the shared object loading library
  2559         if test x$enable_loadso = xyes; then
  2560             AC_DEFINE(SDL_LOADSO_WIN32)
  2561             SOURCES="$SOURCES $srcdir/src/loadso/win32/*.c"
  2562             have_loadso=yes
  2563         fi
  2564         # Set up the system libraries we need
  2565         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lcoredll -lcommctrl"
  2566         # The Win32 platform requires special setup
  2567         SDLMAIN_SOURCES="$srcdir/src/main/win32/*.c"
  2568         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main -D_WIN32_WCE=0x420"
  2569         SDL_LIBS="-lSDLmain $SDL_LIBS"
  2570         ;;
  2571     *-*-beos* | *-*-haiku*)
  2572         ARCH=beos
  2573         ac_default_prefix=/boot/develop/tools/gnupro
  2574         CheckDummyVideo
  2575         CheckDiskAudio
  2576         CheckDummyAudio
  2577         CheckNASM
  2578         CheckBWINDOW
  2579         CheckBeGL
  2580         # Set up files for the audio library
  2581         if test x$enable_audio = xyes; then
  2582             AC_DEFINE(SDL_AUDIO_DRIVER_BAUDIO)
  2583             SOURCES="$SOURCES $srcdir/src/audio/baudio/*.cc"
  2584             have_audio=yes
  2585         fi
  2586         # Set up files for the joystick library
  2587         if test x$enable_joystick = xyes; then
  2588             AC_DEFINE(SDL_JOYSTICK_BEOS)
  2589             SOURCES="$SOURCES $srcdir/src/joystick/beos/*.cc"
  2590             have_joystick=yes
  2591         fi
  2592         # Set up files for the cdrom library
  2593         if test x$enable_cdrom = xyes; then
  2594             AC_DEFINE(SDL_CDROM_BEOS)
  2595             SOURCES="$SOURCES $srcdir/src/cdrom/beos/*.cc"
  2596             have_cdrom=yes
  2597         fi
  2598         # Set up files for the thread library
  2599         if test x$enable_threads = xyes; then
  2600             AC_DEFINE(SDL_THREAD_BEOS)
  2601             SOURCES="$SOURCES $srcdir/src/thread/beos/*.c"
  2602             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_sysmutex.c"
  2603             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2604             have_threads=yes
  2605         fi
  2606         # Set up files for the timer library
  2607         if test x$enable_timers = xyes; then
  2608             AC_DEFINE(SDL_TIMER_BEOS)
  2609             SOURCES="$SOURCES $srcdir/src/timer/beos/*.c"
  2610             have_timers=yes
  2611         fi
  2612         # Set up files for the shared object loading library
  2613         if test x$enable_loadso = xyes; then
  2614             case "$host" in
  2615                 *-*-beos*)
  2616                     AC_DEFINE(SDL_LOADSO_BEOS)
  2617                     SOURCES="$SOURCES $srcdir/src/loadso/beos/*.c"
  2618                 ;;
  2619                 *-*-haiku*)
  2620                     AC_DEFINE(SDL_LOADSO_DLOPEN)
  2621                     SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
  2622                 ;;
  2623             esac    
  2624             have_loadso=yes
  2625         fi
  2626         # The BeOS platform requires special setup.
  2627         SOURCES="$srcdir/src/main/beos/*.cc $SOURCES"
  2628         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
  2629         ;;
  2630     *-*-darwin* )
  2631         # This could be either full "Mac OS X", or plain "Darwin" which is
  2632         # just the OS X kernel sans upper layers like Carbon and Cocoa.
  2633         # Next line is broken, and a few files below require Mac OS X (full)
  2634         ARCH=macosx
  2635 
  2636         # Mac OS X builds with both the Carbon and OSX APIs at the moment
  2637         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
  2638         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
  2639 
  2640         # HACK: Reset EXTRA_LDFLAGS; the only thing it contains at this point
  2641         # is -lm which is not needed under Mac OS X. But for some reasons it
  2642         # also tends to contain spurious -L switches, which we don't want to
  2643         # use here or in sdl-config. Hence we reset it.
  2644         EXTRA_LDFLAGS=""
  2645 
  2646         CheckVisibilityHidden
  2647         CheckDummyVideo
  2648         CheckDiskAudio
  2649         CheckDummyAudio
  2650         CheckDLOPEN
  2651         CheckNASM
  2652 
  2653         # Set up files for the shared object loading library
  2654         # (this needs to be done before the dynamic X11 check)
  2655         if test x$enable_loadso = xyes -a x$have_dlopen != xyes; then
  2656             AC_DEFINE(SDL_LOADSO_DLCOMPAT)
  2657             SOURCES="$SOURCES $srcdir/src/loadso/macosx/*.c"
  2658             have_loadso=yes
  2659         fi
  2660 
  2661         CheckCOCOA
  2662         CheckCARBON
  2663         CheckX11
  2664         CheckMacGL
  2665         CheckOpenGLX11
  2666         CheckPTHREAD
  2667         CheckAltivec
  2668 
  2669         # Need this or things might misbuild on a G3.
  2670         EXTRA_CFLAGS="$EXTRA_CFLAGS -force_cpusubtype_ALL"
  2671 
  2672         # Set up files for the audio library
  2673         if test x$enable_audio = xyes; then
  2674             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO)
  2675             SOURCES="$SOURCES $srcdir/src/audio/macosx/*.c"
  2676             have_audio=yes
  2677         fi
  2678         # Set up files for the joystick library
  2679         if test x$enable_joystick = xyes; then
  2680             AC_DEFINE(SDL_JOYSTICK_IOKIT)
  2681             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
  2682             have_joystick=yes
  2683             need_iokit_framework=yes
  2684         fi
  2685         # Set up files for the cdrom library
  2686         if test x$enable_cdrom = xyes; then
  2687             AC_DEFINE(SDL_CDROM_MACOSX)
  2688             SOURCES="$SOURCES $srcdir/src/cdrom/macosx/*.c"
  2689             have_cdrom=yes
  2690         fi
  2691         # Set up files for the timer library
  2692         if test x$enable_timers = xyes; then
  2693             AC_DEFINE(SDL_TIMER_UNIX)
  2694             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2695             have_timers=yes
  2696         fi
  2697         # The Mac OS X platform requires special setup.
  2698         SDLMAIN_SOURCES="$srcdir/src/main/macosx/*.m"
  2699         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  2700         SDL_LIBS="-lSDLmain $SDL_LIBS"
  2701         if test x$enable_video_cocoa = xyes; then
  2702             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
  2703             need_iokit_framework=yes
  2704         fi
  2705         if test x$enable_video_carbon = xyes -o x$enable_video_cocoa = xyes; then
  2706             # The Cocoa backend still needs Carbon
  2707             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ApplicationServices"
  2708             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
  2709         fi
  2710         # If either the audio or CD driver is used, add the AudioUnit framework
  2711         if test x$enable_audio = xyes -o x$enable_cdrom = xyes; then
  2712             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit"
  2713         fi
  2714         # Some subsystems reference IOKit...
  2715         if test x$need_iokit_framework = xyes; then
  2716             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
  2717         fi
  2718         ;;
  2719     *-*-mint*)
  2720         ARCH=mint
  2721         CheckDummyVideo
  2722         CheckDiskAudio
  2723         CheckDummyAudio
  2724         CheckAtariBiosEvent
  2725         CheckAtariXbiosVideo
  2726         CheckAtariGemVideo
  2727         CheckAtariAudio
  2728         CheckAtariLdg
  2729         CheckAtariOSMesa
  2730         CheckPTH
  2731         # Set up files for the audio library
  2732         if test x$enable_threads = xyes -a x$enable_pth = xyes; then
  2733             if test x$enable_audio = xyes; then
  2734                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO)
  2735                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  2736                 have_audio=yes
  2737             fi
  2738         fi
  2739         # Set up files for the joystick library
  2740         if test x$enable_joystick = xyes; then
  2741             AC_DEFINE(SDL_JOYSTICK_MINT)
  2742             SOURCES="$SOURCES $srcdir/src/joystick/mint/*.c"
  2743             have_joystick=yes
  2744         fi
  2745         # Set up files for the cdrom library
  2746         if test x$enable_cdrom = xyes; then
  2747             AC_DEFINE(SDL_CDROM_MINT)
  2748             SOURCES="$SOURCES $srcdir/src/cdrom/mint/*.c"
  2749             have_cdrom=yes
  2750         fi
  2751         # Set up files for the timer library
  2752         if test x$enable_timers = xyes; then
  2753             if test x$enable_threads = xyes -a x$enable_pth = xyes; then
  2754                 AC_DEFINE(SDL_TIMER_UNIX)
  2755                 SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2756             else
  2757                 AC_DEFINE(SDL_TIMER_MINT)
  2758                 SOURCES="$SOURCES $srcdir/src/timer/mint/*.c"
  2759                 SOURCES="$SOURCES $srcdir/src/timer/mint/*.S"
  2760             fi
  2761             have_timers=yes
  2762         fi
  2763         ;;
  2764     *-riscos)
  2765         ARCH=riscos
  2766         CheckOSS
  2767         CheckPTHREAD
  2768         # Set up files for the video library
  2769         if test x$enable_video = xyes; then
  2770             AC_DEFINE(SDL_VIDEO_DRIVER_RISCOS)
  2771             SOURCES="$SOURCES $srcdir/src/video/riscos/*.c"
  2772             SOURCES="$SOURCES $srcdir/src/video/riscos/*.S"
  2773             have_video=yes
  2774         fi
  2775         # Set up files for the joystick library
  2776         if test x$enable_joystick = xyes; then
  2777             AC_DEFINE(SDL_JOYSTICK_RISCOS)
  2778             SOURCES="$SOURCES $srcdir/src/joystick/riscos/*.c"
  2779             have_joystick=yes
  2780         fi
  2781         # Set up files for the timer library
  2782         if test x$enable_timers = xyes; then
  2783             AC_DEFINE(SDL_TIMER_RISCOS)
  2784             SOURCES="$SOURCES $srcdir/src/timer/riscos/*.c"
  2785             have_timers=yes
  2786         fi
  2787         # The RISC OS platform requires special setup.
  2788         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ljpeg -ltiff -lpng -lz"
  2789         ;;
  2790     *)
  2791         AC_MSG_ERROR([
  2792 *** Unsupported host:  Please add to configure.in
  2793         ])
  2794         ;;
  2795 esac
  2796 
  2797 # Verify that we have all the platform specific files we need
  2798 
  2799 if test x$enable_joystick = xyes; then
  2800   if test x$have_joystick != xyes; then
  2801     # Wants joystick subsystem, but doesn't have a platform-specific backend...
  2802     AC_DEFINE(SDL_JOYSTICK_DUMMY)
  2803     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
  2804   fi
  2805 fi
  2806 if test x$have_cdrom != xyes; then
  2807     if test x$enable_cdrom = xyes; then
  2808         AC_DEFINE(SDL_CDROM_DISABLED)
  2809     fi
  2810     SOURCES="$SOURCES $srcdir/src/cdrom/dummy/*.c"
  2811 fi
  2812 if test x$have_threads != xyes; then
  2813     if test x$enable_threads = xyes; then
  2814         AC_DEFINE(SDL_THREADS_DISABLED)
  2815     fi
  2816     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
  2817 fi
  2818 if test x$have_timers != xyes; then
  2819     if test x$enable_timers = xyes; then
  2820         AC_DEFINE(SDL_TIMERS_DISABLED)
  2821     fi
  2822     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
  2823 fi
  2824 if test x$have_loadso != xyes; then
  2825     if test x$enable_loadso = xyes; then
  2826         AC_DEFINE(SDL_LOADSO_DISABLED)
  2827     fi
  2828     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
  2829 fi
  2830 if test x$SDLMAIN_SOURCES = x; then
  2831     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
  2832 fi
  2833 
  2834 OBJECTS=`echo $SOURCES | sed 's,[[^ ]]*/\([[^ ]]*\)\.asm,$(objects)/\1.lo,g'`
  2835 OBJECTS=`echo $OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.cc,$(objects)/\1.lo,g'`
  2836 OBJECTS=`echo $OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.m,$(objects)/\1.lo,g'`
  2837 OBJECTS=`echo $OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.lo,g'`
  2838 OBJECTS=`echo $OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.S,$(objects)/\1.lo,g'`
  2839 OBJECTS=`echo $OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
  2840 
  2841 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES | sed 's,[[^ ]]*/\([[^ ]]*\)\.cc,$(objects)/\1.o,g'`
  2842 SDLMAIN_OBJECTS=`echo $SDLMAIN_OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.m,$(objects)/\1.o,g'`
  2843 SDLMAIN_OBJECTS=`echo $SDLMAIN_OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  2844 
  2845 # Set runtime shared library paths as needed
  2846 
  2847 if test "x$enable_rpath" = "xyes"; then
  2848   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = irix -o $ARCH = linux -o $ARCH = netbsd; then
  2849     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
  2850   fi
  2851   if test $ARCH = solaris; then
  2852     SDL_RLD_FLAGS="-R\${libdir}"
  2853   fi
  2854 else
  2855   SDL_RLD_FLAGS=""
  2856 fi
  2857 
  2858 case "$ARCH" in
  2859   macosx)
  2860     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  2861       SDL_LIBS="$SDL_LIBS -Wl,-framework,Cocoa"
  2862     fi
  2863     if test x$enable_video = xyes -a x$enable_video_carbon = xyes; then
  2864       SDL_LIBS="$SDL_LIBS -Wl,-framework,Carbon"
  2865     fi
  2866     # Evil hack to allow static linking on Mac OS X
  2867     SDL_STATIC_LIBS="\${libdir}/libSDLmain.a \${libdir}/libSDL.a $EXTRA_LDFLAGS"
  2868     ;;
  2869   *)
  2870     SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
  2871     ;;
  2872 esac
  2873 
  2874 dnl Expand the cflags and libraries needed by apps using SDL
  2875 AC_SUBST(SDL_CFLAGS)
  2876 AC_SUBST(SDL_LIBS)
  2877 AC_SUBST(SDL_STATIC_LIBS)
  2878 AC_SUBST(SDL_RLD_FLAGS)
  2879 if test x$enable_shared = xyes; then
  2880     ENABLE_SHARED_TRUE=
  2881     ENABLE_SHARED_FALSE="#"
  2882 else
  2883     ENABLE_SHARED_TRUE="#"
  2884     ENABLE_SHARED_FALSE=
  2885 fi
  2886 if test x$enable_static = xyes; then
  2887     ENABLE_STATIC_TRUE=
  2888     ENABLE_STATIC_FALSE="#"
  2889 else
  2890     ENABLE_STATIC_TRUE="#"
  2891     ENABLE_STATIC_FALSE=
  2892 fi
  2893 AC_SUBST(ENABLE_SHARED_TRUE)
  2894 AC_SUBST(ENABLE_SHARED_FALSE)
  2895 AC_SUBST(ENABLE_STATIC_TRUE)
  2896 AC_SUBST(ENABLE_STATIC_FALSE)
  2897 
  2898 dnl Expand the sources and objects needed to build the library
  2899 AC_SUBST(ac_aux_dir)
  2900 AC_SUBST(INCLUDE)
  2901 AC_SUBST(SOURCES)
  2902 AC_SUBST(OBJECTS)
  2903 AC_SUBST(SDLMAIN_SOURCES)
  2904 AC_SUBST(SDLMAIN_OBJECTS)
  2905 AC_SUBST(BUILD_CFLAGS)
  2906 AC_SUBST(EXTRA_CFLAGS)
  2907 AC_SUBST(BUILD_LDFLAGS)
  2908 AC_SUBST(EXTRA_LDFLAGS)
  2909 AC_SUBST(WINDRES)
  2910 
  2911 AC_OUTPUT([
  2912     Makefile sdl-config SDL.spec SDL.qpg sdl.pc
  2913 ], [
  2914     : >build-deps
  2915     if test x"$MAKE" = x; then MAKE=make; fi; $MAKE depend
  2916 ])