configure.in
author Sam Lantinga <slouken@libsdl.org>
Tue, 10 Jul 2007 14:16:44 +0000
branchSDL-1.2
changeset 4034 4ea82f5e7e2c
parent 4028 81837116ef59
child 4037 48465c97d4bc
permissions -rw-r--r--
Backported the NAS detection from SDL 1.3, replacing the broken NetBSD patch
     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 
     6 dnl Set various version strings - taken gratefully from the GTk sources
     7 #
     8 # Making releases:
     9 # Edit include/SDL/SDL_version.h and change the version, then:
    10 #   SDL_MICRO_VERSION += 1;
    11 #   SDL_INTERFACE_AGE += 1;
    12 #   SDL_BINARY_AGE += 1;
    13 # if any functions have been added, set SDL_INTERFACE_AGE to 0.
    14 # if backwards compatibility has been broken,
    15 # set SDL_BINARY_AGE and SDL_INTERFACE_AGE to 0.
    16 #
    17 SDL_MAJOR_VERSION=1
    18 SDL_MINOR_VERSION=2
    19 SDL_MICRO_VERSION=12
    20 SDL_INTERFACE_AGE=1
    21 SDL_BINARY_AGE=12
    22 SDL_VERSION=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION.$SDL_MICRO_VERSION
    23 
    24 AC_SUBST(SDL_MAJOR_VERSION)
    25 AC_SUBST(SDL_MINOR_VERSION)
    26 AC_SUBST(SDL_MICRO_VERSION)
    27 AC_SUBST(SDL_INTERFACE_AGE)
    28 AC_SUBST(SDL_BINARY_AGE)
    29 AC_SUBST(SDL_VERSION)
    30 
    31 # libtool versioning
    32 LT_RELEASE=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION
    33 LT_CURRENT=`expr $SDL_MICRO_VERSION - $SDL_INTERFACE_AGE`
    34 LT_REVISION=$SDL_INTERFACE_AGE
    35 LT_AGE=`expr $SDL_BINARY_AGE - $SDL_INTERFACE_AGE`
    36 
    37 AC_SUBST(LT_RELEASE)
    38 AC_SUBST(LT_CURRENT)
    39 AC_SUBST(LT_REVISION)
    40 AC_SUBST(LT_AGE)
    41 
    42 dnl Detect the canonical build and host environments
    43 AC_CONFIG_AUX_DIRS($srcdir/build-scripts)
    44 AC_CANONICAL_HOST
    45 AC_C_BIGENDIAN
    46 if test x$ac_cv_c_bigendian = xyes; then
    47     AC_DEFINE(SDL_BYTEORDER, 4321)
    48 else
    49     AC_DEFINE(SDL_BYTEORDER, 1234)
    50 fi
    51 
    52 dnl Set up the compiler and linker flags
    53 INCLUDE="-I$srcdir/include"
    54 if test x$srcdir != x.; then
    55     # Remove SDL_config.h from the source directory, since it's the
    56     # default one, and we want to include the one that we generate.
    57     if test -f $srcdir/include/SDL_config.h; then
    58         rm $srcdir/include/SDL_config.h
    59     fi
    60     INCLUDE="-Iinclude $INCLUDE"
    61 fi
    62 case "$host" in
    63     *-*-cygwin*)
    64         # We build SDL on cygwin without the UNIX emulation layer
    65         BASE_CFLAGS="-I/usr/include/mingw -mno-cygwin"
    66         BASE_LDFLAGS="-mno-cygwin"
    67         ;;
    68     *)
    69         BASE_CFLAGS="-D_GNU_SOURCE=1"
    70         BASE_LDFLAGS=""
    71         ;;
    72 esac
    73 BUILD_CFLAGS="$CFLAGS $CPPFLAGS"
    74 EXTRA_CFLAGS="$INCLUDE $BASE_CFLAGS"
    75 BUILD_LDFLAGS="$LDFLAGS"
    76 EXTRA_LDFLAGS="$BASE_LDFLAGS"
    77 # I can't remember why I added this.  I'm sure it'll come to me...
    78 #for path in /usr/local; do
    79 #    if test -d $path/include; then
    80 #        EXTRA_CFLAGS="$EXTRA_CFLAGS -I$path/include"
    81 #    fi
    82 #    if test -d $path/lib; then
    83 #        EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L$path/lib"
    84 #    fi
    85 #done
    86 SDL_CFLAGS="$BASE_CFLAGS"
    87 SDL_LIBS="-lSDL $BASE_LDFLAGS"
    88 CPPFLAGS="$CPPFLAGS $EXTRA_CFLAGS"
    89 CFLAGS="$CFLAGS $EXTRA_CFLAGS"
    90 LDFLAGS="$LDFLAGS $EXTRA_LDFLAGS"
    91 
    92 dnl Check for tools
    93 AC_LIBTOOL_WIN32_DLL
    94 AC_PROG_LIBTOOL
    95 AC_PROG_CC
    96 AC_PROG_CXX
    97 AC_PROG_INSTALL
    98 AC_PROG_MAKE_SET
    99 
   100 dnl Check for compiler characteristics
   101 AC_C_CONST
   102 AC_C_INLINE
   103 AC_C_VOLATILE
   104 
   105 dnl See whether we are allowed to use the system C library
   106 AC_ARG_ENABLE(libc,
   107 AC_HELP_STRING([--enable-libc], [Use the system C library [[default=yes]]]),
   108               , enable_libc=yes)
   109 if test x$enable_libc = xyes; then
   110     AC_DEFINE(HAVE_LIBC)
   111 
   112     dnl Check for C library headers
   113     AC_HEADER_STDC
   114     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)
   115 
   116     dnl Check for typedefs, structures, etc.
   117     AC_TYPE_SIZE_T
   118     if test x$ac_cv_header_inttypes_h = xyes -o x$ac_cv_header_stdint_h = xyes; then
   119         AC_CHECK_TYPE(int64_t)
   120         if test x$ac_cv_type_int64_t = xyes; then
   121             AC_DEFINE(SDL_HAS_64BIT_TYPE)
   122         fi
   123         have_inttypes=yes
   124     fi
   125 
   126     dnl Checks for library functions.
   127     case "$host" in
   128     *-*-cygwin* | *-*-mingw32*)
   129         ;;
   130     *)
   131         AC_FUNC_ALLOCA
   132         ;;
   133     esac
   134 
   135     AC_FUNC_MEMCMP
   136     if test x$ac_cv_func_memcmp_working = xyes; then
   137         AC_DEFINE(HAVE_MEMCMP)
   138     fi
   139     AC_FUNC_STRTOD
   140     if test x$ac_cv_func_strtod = xyes; then
   141         AC_DEFINE(HAVE_STRTOD)
   142     fi
   143     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)
   144 
   145     AC_CHECK_LIB(iconv, libiconv_open, [EXTRA_LDFLAGS="$EXTRA_LDFLAGS -liconv"])
   146     AC_CHECK_LIB(m, pow, [EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm"])
   147 fi
   148 
   149 if test x$have_inttypes != xyes; then
   150     AC_CHECK_SIZEOF(char, 1)
   151     AC_CHECK_SIZEOF(short, 2)
   152     AC_CHECK_SIZEOF(int, 4)
   153     AC_CHECK_SIZEOF(long, 4)
   154     AC_CHECK_SIZEOF(long long, 8)
   155     if test x$ac_cv_sizeof_char = x1; then
   156         AC_DEFINE(int8_t, signed char)
   157         AC_DEFINE(uint8_t, unsigned char)
   158     fi
   159     if test x$ac_cv_sizeof_short = x2; then
   160         AC_DEFINE(int16_t, signed short)
   161         AC_DEFINE(uint16_t, unsigned short)
   162     else
   163         if test x$ac_cv_sizeof_int = x2; then
   164             AC_DEFINE(int16_t, signed int)
   165             AC_DEFINE(uint16_t, unsigned int)
   166         fi
   167     fi
   168     if test x$ac_cv_sizeof_int = x4; then
   169         AC_DEFINE(int32_t, signed int)
   170         AC_DEFINE(uint32_t, unsigned int)
   171     else
   172         if test x$ac_cv_sizeof_long = x4; then
   173             AC_DEFINE(int32_t, signed long)
   174             AC_DEFINE(uint32_t, unsigned long)
   175         fi
   176     fi
   177     if test x$ac_cv_sizeof_long = x8; then
   178         AC_DEFINE(int64_t, signed long)
   179         AC_DEFINE(uint64_t, unsigned long)
   180         AC_DEFINE(SDL_HAS_64BIT_TYPE)
   181     else
   182         if test x$ac_cv_sizeof_long_long = x8; then
   183             AC_DEFINE(int64_t, signed long long)
   184             AC_DEFINE(uint64_t, unsigned long long)
   185             AC_DEFINE(SDL_HAS_64BIT_TYPE)
   186         fi
   187     fi
   188     AC_DEFINE(size_t, unsigned int)
   189     AC_DEFINE(uintptr_t, unsigned long)
   190 fi
   191 
   192 # Standard C sources
   193 SOURCES="$SOURCES $srcdir/src/*.c"
   194 SOURCES="$SOURCES $srcdir/src/audio/*.c"
   195 SOURCES="$SOURCES $srcdir/src/cdrom/*.c"
   196 SOURCES="$SOURCES $srcdir/src/cpuinfo/*.c"
   197 SOURCES="$SOURCES $srcdir/src/events/*.c"
   198 SOURCES="$SOURCES $srcdir/src/file/*.c"
   199 SOURCES="$SOURCES $srcdir/src/stdlib/*.c"
   200 SOURCES="$SOURCES $srcdir/src/thread/*.c"
   201 SOURCES="$SOURCES $srcdir/src/timer/*.c"
   202 SOURCES="$SOURCES $srcdir/src/video/*.c"
   203 
   204 dnl Enable/disable various subsystems of the SDL library
   205 
   206 AC_ARG_ENABLE(audio,
   207 AC_HELP_STRING([--enable-audio], [Enable the audio subsystem [[default=yes]]]),
   208               , enable_audio=yes)
   209 if test x$enable_audio != xyes; then
   210     AC_DEFINE(SDL_AUDIO_DISABLED)
   211 fi
   212 AC_ARG_ENABLE(video,
   213 AC_HELP_STRING([--enable-video], [Enable the video subsystem [[default=yes]]]),
   214               , enable_video=yes)
   215 if test x$enable_video != xyes; then
   216     AC_DEFINE(SDL_VIDEO_DISABLED)
   217 fi
   218 AC_ARG_ENABLE(events,
   219 AC_HELP_STRING([--enable-events], [Enable the events subsystem [[default=yes]]]),
   220               , enable_events=yes)
   221 if test x$enable_events != xyes; then
   222     AC_DEFINE(SDL_EVENTS_DISABLED)
   223 fi
   224 AC_ARG_ENABLE(joystick,
   225 AC_HELP_STRING([--enable-joystick], [Enable the joystick subsystem [[default=yes]]]),
   226               , enable_joystick=yes)
   227 if test x$enable_joystick != xyes; then
   228     AC_DEFINE(SDL_JOYSTICK_DISABLED)
   229 else
   230     SOURCES="$SOURCES $srcdir/src/joystick/*.c"
   231 fi
   232 AC_ARG_ENABLE(cdrom,
   233 AC_HELP_STRING([--enable-cdrom], [Enable the cdrom subsystem [[default=yes]]]),
   234               , enable_cdrom=yes)
   235 if test x$enable_cdrom != xyes; then
   236     AC_DEFINE(SDL_CDROM_DISABLED)
   237 fi
   238 AC_ARG_ENABLE(threads,
   239 AC_HELP_STRING([--enable-threads], [Enable the threading subsystem [[default=yes]]]),
   240               , enable_threads=yes)
   241 if test x$enable_threads != xyes; then
   242     AC_DEFINE(SDL_THREADS_DISABLED)
   243 fi
   244 AC_ARG_ENABLE(timers,
   245 AC_HELP_STRING([--enable-timers], [Enable the timer subsystem [[default=yes]]]),
   246               , enable_timers=yes)
   247 if test x$enable_timers != xyes; then
   248     AC_DEFINE(SDL_TIMERS_DISABLED)
   249 fi
   250 AC_ARG_ENABLE(file,
   251 AC_HELP_STRING([--enable-file], [Enable the file subsystem [[default=yes]]]),
   252               , enable_file=yes)
   253 if test x$enable_file != xyes; then
   254     AC_DEFINE(SDL_FILE_DISABLED)
   255 fi
   256 AC_ARG_ENABLE(loadso,
   257 AC_HELP_STRING([--enable-loadso], [Enable the shared object loading subsystem [[default=yes]]]),
   258               , enable_loadso=yes)
   259 if test x$enable_loadso != xyes; then
   260     AC_DEFINE(SDL_LOADSO_DISABLED)
   261 fi
   262 AC_ARG_ENABLE(cpuinfo,
   263 AC_HELP_STRING([--enable-cpuinfo], [Enable the cpuinfo subsystem [[default=yes]]]),
   264               , enable_cpuinfo=yes)
   265 if test x$enable_cpuinfo != xyes; then
   266     AC_DEFINE(SDL_CPUINFO_DISABLED)
   267 fi
   268 AC_ARG_ENABLE(assembly,
   269 AC_HELP_STRING([--enable-assembly], [Enable assembly routines [[default=yes]]]),
   270               , enable_assembly=yes)
   271 if test x$enable_assembly = xyes; then
   272     AC_DEFINE(SDL_ASSEMBLY_ROUTINES)
   273 fi
   274 
   275 dnl See if the OSS audio interface is supported
   276 CheckOSS()
   277 {
   278     AC_ARG_ENABLE(oss,
   279 AC_HELP_STRING([--enable-oss], [support the OSS audio API [[default=yes]]]),
   280                   , enable_oss=yes)
   281     if test x$enable_audio = xyes -a x$enable_oss = xyes; then
   282         AC_MSG_CHECKING(for OSS audio support)
   283         have_oss=no
   284         if test x$have_oss != xyes; then
   285             AC_TRY_COMPILE([
   286               #include <sys/soundcard.h>
   287             ],[
   288               int arg = SNDCTL_DSP_SETFRAGMENT;
   289             ],[
   290             have_oss=yes
   291             ])
   292         fi
   293         if test x$have_oss != xyes; then
   294             AC_TRY_COMPILE([
   295               #include <soundcard.h>
   296             ],[
   297               int arg = SNDCTL_DSP_SETFRAGMENT;
   298             ],[
   299             have_oss=yes
   300             AC_DEFINE(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H)
   301             ])
   302         fi
   303         AC_MSG_RESULT($have_oss)
   304         if test x$have_oss = xyes; then
   305             AC_DEFINE(SDL_AUDIO_DRIVER_OSS)
   306             SOURCES="$SOURCES $srcdir/src/audio/dsp/*.c"
   307             SOURCES="$SOURCES $srcdir/src/audio/dma/*.c"
   308             have_audio=yes
   309 
   310             # We may need to link with ossaudio emulation library
   311             case "$host" in
   312                 *-*-openbsd*|*-*-netbsd*)
   313                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lossaudio";;
   314             esac
   315         fi
   316     fi
   317 }
   318 
   319 dnl See if the ALSA audio interface is supported
   320 CheckALSA()
   321 {
   322     AC_ARG_ENABLE(alsa,
   323 AC_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),
   324                   , enable_alsa=yes)
   325     if test x$enable_audio = xyes -a x$enable_alsa = xyes; then
   326         AM_PATH_ALSA(0.9.0, have_alsa=yes, have_alsa=no)
   327         # Restore all flags from before the ALSA detection runs
   328         CFLAGS="$alsa_save_CFLAGS"
   329         LDFLAGS="$alsa_save_LDFLAGS"
   330         LIBS="$alsa_save_LIBS"
   331         if test x$have_alsa = xyes; then
   332             AC_ARG_ENABLE(alsa-shared,
   333 AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
   334                           , enable_alsa_shared=yes)
   335             if test "x`echo $ALSA_LIBS | grep -- -L`" = "x"; then
   336                 if test "x`ls /lib/libasound.so.* 2> /dev/null`" != "x"; then
   337                     ALSA_LIBS="-L/lib $ALSA_LIBS"
   338                 elif test "x`ls /usr/lib/libasound.so.* 2> /dev/null`" != "x"; then
   339                     ALSA_LIBS="-L/usr/lib $ALSA_LIBS"
   340                 elif test "x`ls /usr/local/lib/libasound.so.* 2> /dev/null`" != "x"; then
   341                     ALSA_LIBS="-L/usr/local/lib $ALSA_LIBS"
   342                 fi
   343             fi
   344             alsa_lib_spec=`echo $ALSA_LIBS | sed 's/.*-L\([[^ ]]*\).*/\1\/libasound.so.*/'`
   345             alsa_lib=`ls -- $alsa_lib_spec | sed 's/.*\/\(.*\)/\1/; q'`
   346             echo "-- $alsa_lib_spec -> $alsa_lib"
   347 
   348             AC_DEFINE(SDL_AUDIO_DRIVER_ALSA)
   349             SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c"
   350             EXTRA_CFLAGS="$EXTRA_CFLAGS $ALSA_CFLAGS"
   351             if test x$have_loadso != xyes && \
   352                test x$enable_alsa_shared = xyes; then
   353                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading])
   354             fi
   355             if test x$have_loadso = xyes && \
   356                test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then
   357                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ALSA_DYNAMIC, "$alsa_lib")
   358             else
   359                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ALSA_LIBS"
   360             fi
   361             have_audio=yes
   362         fi
   363     fi
   364 }
   365 
   366 dnl Check whether we want to use IRIX 6.5+ native audio or not
   367 CheckDMEDIA()
   368 {
   369     if test x$enable_audio = xyes; then
   370         AC_MSG_CHECKING(for dmedia audio support)
   371         have_dmedia=no
   372         AC_TRY_COMPILE([
   373           #include <dmedia/audio.h>
   374         ],[
   375           ALport audio_port;
   376         ],[
   377         have_dmedia=yes
   378         ])
   379         AC_MSG_RESULT($have_dmedia)
   380         # Set up files for the audio library
   381         if test x$have_dmedia = xyes; then
   382             AC_DEFINE(SDL_AUDIO_DRIVER_DMEDIA)
   383             SOURCES="$SOURCES $srcdir/src/audio/dmedia/*.c"
   384             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -laudio"
   385             have_audio=yes
   386         fi
   387     fi
   388 }
   389 
   390 dnl Check whether we want to use Tru64 UNIX native audio or not
   391 CheckMME()
   392 {
   393     dnl Make sure we are running on an Tru64 UNIX
   394     case $ARCH in
   395         osf)
   396             ;;
   397         *)
   398             return
   399             ;;
   400     esac
   401     if test x$enable_audio = xyes; then
   402         AC_MSG_CHECKING(for MME audio support)
   403         MME_CFLAGS="-I/usr/include/mme"
   404         MME_LIBS="-lmme"
   405         have_mme=no
   406         save_CFLAGS="$CFLAGS"
   407         CFLAGS="$CFLAGS $MME_CFLAGS"
   408         AC_TRY_COMPILE([
   409           #include <mme_api.h>
   410         ],[
   411           HWAVEOUT sound;
   412         ],[
   413         have_mme=yes
   414         ])
   415         CFLAGS="$save_CFLAGS"
   416         AC_MSG_RESULT($have_mme)
   417         # Set up files for the audio library
   418         if test x$have_mme = xyes; then
   419             AC_DEFINE(SDL_AUDIO_DRIVER_MMEAUDIO)
   420             SOURCES="$SOURCES $srcdir/src/audio/mme/*.c"
   421             EXTRA_CFLAGS="$EXTRA_CFLAGS $MME_CFLAGS"
   422             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MME_LIBS"
   423             have_audio=yes
   424         fi
   425     fi
   426 }
   427 
   428 dnl Find the ESD includes and libraries
   429 CheckESD()
   430 {
   431     AC_ARG_ENABLE(esd,
   432 AC_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),
   433                   , enable_esd=yes)
   434     if test x$enable_audio = xyes -a x$enable_esd = xyes; then
   435         AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no)
   436         if test x$have_esd = xyes; then
   437             AC_ARG_ENABLE(esd-shared,
   438 AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
   439                           , enable_esd_shared=yes)
   440             esd_lib_spec=`echo $ESD_LIBS | sed 's/.*-L\([[^ ]]*\).*/\1\/libesd.so.*/'`
   441             esd_lib=`ls -- $esd_lib_spec | sed 's/.*\/\(.*\)/\1/; q'`
   442             echo "-- $esd_lib_spec -> $esd_lib"
   443 
   444             AC_DEFINE(SDL_AUDIO_DRIVER_ESD)
   445             SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"
   446             EXTRA_CFLAGS="$EXTRA_CFLAGS $ESD_CFLAGS"
   447             if test x$have_loadso != xyes && \
   448                test x$enable_esd_shared = xyes; then
   449                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading])
   450             fi
   451             if test x$have_loadso = xyes && \
   452                test x$enable_esd_shared = xyes && test x$esd_lib != x; then
   453                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib")
   454             else
   455                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ESD_LIBS"
   456             fi
   457             have_audio=yes
   458         fi
   459     fi
   460 }
   461 
   462 dnl Find PulseAudio
   463 CheckPulseAudio()
   464 {
   465     AC_ARG_ENABLE(pulseaudio,
   466 AC_HELP_STRING([--enable-pulseaudio], [use PulseAudio [[default=yes]]]),
   467                   , enable_pulse=yes)
   468     if test x$enable_audio = xyes -a x$enable_pulse = xyes; then
   469         audio_pulse=no
   470 
   471         PULSE_REQUIRED_VERSION=0.9
   472 
   473         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
   474         AC_MSG_CHECKING(for PulseAudio $PULSE_REQUIRED_VERSION support)
   475         if test x$PKG_CONFIG != xno; then
   476         if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $PULSE_REQUIRED_VERSION libpulse-simple; then
   477                 PULSE_CFLAGS=`$PKG_CONFIG --cflags libpulse-simple`
   478                 PULSE_LIBS=`$PKG_CONFIG --libs libpulse-simple`
   479                 audio_pulse=yes
   480         fi
   481         fi
   482         AC_MSG_RESULT($audio_pulse)
   483 
   484         if test x$audio_pulse = xyes; then
   485             AC_ARG_ENABLE(pulseaudio-shared,
   486 AC_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [[default=yes]]]),
   487                           , enable_pulse_shared=yes)
   488             if test "x`echo $PULSE_LIBS | grep -- -L`" = "x"; then
   489                 if test "x`ls /lib/libpulse-simple.so.* 2> /dev/null`" != "x"; then
   490                     PULSE_LIBS="-L/lib $PULSE_LIBS"
   491                 elif test "x`ls /usr/lib/libpulse-simple.so.* 2> /dev/null`" != "x"; then
   492                     PULSE_LIBS="-L/usr/lib $PULSE_LIBS"
   493                 elif test "x`ls /usr/local/lib/libpulse-simple.so.* 2> /dev/null`" != "x"; then
   494                     PULSE_LIBS="-L/usr/local/lib $PULSE_LIBS"
   495                 fi
   496             fi
   497             pulse_lib_spec=`echo $PULSE_LIBS | sed 's/.*-L\([[^ ]]*\).*/\1\/libpulse-simple.so.*/'`
   498             pulse_lib=`ls -- $pulse_lib_spec | sed 's/.*\/\(.*\)/\1/; q'`
   499             echo "-- $pulse_lib_spec -> $pulse_lib"
   500 
   501             AC_DEFINE(SDL_AUDIO_DRIVER_PULSE)
   502             SOURCES="$SOURCES $srcdir/src/audio/pulse/*.c"
   503             EXTRA_CFLAGS="$EXTRA_CFLAGS $PULSE_CFLAGS"
   504             if test x$have_loadso != xyes && \
   505                test x$enable_pulse_shared = xyes; then
   506                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic PulseAudio loading])
   507             fi
   508             if test x$have_loadso = xyes && \
   509                test x$enable_pulse_shared = xyes && test x$pulse_lib != x; then
   510                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_PULSE_DYNAMIC, "$pulse_lib")
   511             else
   512                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $PULSE_LIBS"
   513             fi
   514             have_audio=yes
   515         fi
   516     fi
   517 }
   518 
   519 CheckARTSC()
   520 {
   521     AC_ARG_ENABLE(arts,
   522 AC_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),
   523                   , enable_arts=yes)
   524     if test x$enable_audio = xyes -a x$enable_arts = xyes; then
   525         AC_PATH_PROG(ARTSCONFIG, artsc-config)
   526         if test x$ARTSCONFIG = x -o x$ARTSCONFIG = x'"$ARTSCONFIG"'; then
   527             : # arts isn't installed
   528         else
   529             ARTS_CFLAGS=`$ARTSCONFIG --cflags`
   530             ARTS_LIBS=`$ARTSCONFIG --libs`
   531             ARTS_PREFIX=`$ARTSCONFIG --arts-prefix`
   532             AC_MSG_CHECKING(for aRts development environment)
   533             audio_arts=no
   534             save_CFLAGS="$CFLAGS"
   535             CFLAGS="$CFLAGS $ARTS_CFLAGS"
   536             AC_TRY_COMPILE([
   537              #include <artsc.h>
   538             ],[
   539              arts_stream_t stream;
   540             ],[
   541             audio_arts=yes
   542             ])
   543             CFLAGS="$save_CFLAGS"
   544             AC_MSG_RESULT($audio_arts)
   545             if test x$audio_arts = xyes; then
   546                 AC_ARG_ENABLE(arts-shared,
   547 AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
   548                               , enable_arts_shared=yes)
   549                 arts_lib_spec="$ARTS_PREFIX/lib/libartsc.so.*"
   550                 arts_lib=`ls -- $arts_lib_spec | sed 's/.*\/\(.*\)/\1/; q'`
   551                 echo "-- $arts_lib_spec -> $arts_lib"
   552 
   553                 AC_DEFINE(SDL_AUDIO_DRIVER_ARTS)
   554                 SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"
   555                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ARTS_CFLAGS"
   556                 if test x$have_loadso != xyes && \
   557                    test x$enable_arts_shared = xyes; then
   558                     AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading])
   559                 fi
   560                 if test x$have_loadso = xyes && \
   561                    test x$enable_arts_shared = xyes && test x$arts_lib != x; then
   562                     AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib")
   563                 else
   564                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARTS_LIBS"
   565                 fi
   566                 have_audio=yes
   567             fi
   568         fi
   569     fi
   570 }
   571 
   572 dnl See if the NAS audio interface is supported
   573 CheckNAS()
   574 {
   575     AC_ARG_ENABLE(nas,
   576 AC_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),
   577                   , enable_nas=yes)
   578     if test x$enable_audio = xyes -a x$enable_nas = xyes; then
   579         AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes)
   580         AC_CHECK_LIB(audio, AuOpenServer, have_nas_lib=yes)
   581 
   582         AC_MSG_CHECKING(for NAS audio support)
   583         have_nas=no
   584 
   585         if test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then
   586             have_nas=yes
   587             NAS_LIBS="-laudio"
   588 
   589         elif test -r /usr/X11R6/include/audio/audiolib.h; then
   590             have_nas=yes
   591             NAS_CFLAGS="-I/usr/X11R6/include/"
   592             NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"
   593 
   594         dnl On IRIX, the NAS includes are in a different directory,
   595         dnl and libnas must be explicitly linked in
   596 
   597         elif test -r /usr/freeware/include/nas/audiolib.h; then
   598             have_nas=yes
   599             NAS_LIBS="-lnas -lXt"
   600         fi
   601 
   602         AC_MSG_RESULT($have_nas)
   603 
   604         if test x$have_nas = xyes; then
   605             AC_DEFINE(SDL_AUDIO_DRIVER_NAS)
   606             SOURCES="$SOURCES $srcdir/src/audio/nas/*.c"
   607             EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS"
   608             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS"
   609             have_audio=yes
   610         fi
   611     fi
   612 }
   613 
   614 dnl rcg07142001 See if the user wants the disk writer audio driver...
   615 CheckDiskAudio()
   616 {
   617     AC_ARG_ENABLE(diskaudio,
   618 AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
   619                   , enable_diskaudio=yes)
   620     if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then
   621         AC_DEFINE(SDL_AUDIO_DRIVER_DISK)
   622         SOURCES="$SOURCES $srcdir/src/audio/disk/*.c"
   623     fi
   624 }
   625 
   626 dnl rcg03142006 See if the user wants the dummy audio driver...
   627 CheckDummyAudio()
   628 {
   629     AC_ARG_ENABLE(dummyaudio,
   630 AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
   631                   , enable_dummyaudio=yes)
   632     if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then
   633         AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY)
   634         SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c"
   635     fi
   636 }
   637 
   638 dnl Set up the Atari Audio driver
   639 CheckAtariAudio()
   640 {
   641     AC_ARG_ENABLE(mintaudio,
   642 AC_HELP_STRING([--enable-mintaudio], [support Atari audio driver [[default=yes]]]),
   643                   , enable_mintaudio=yes)
   644     if test x$enable_audio = xyes -a x$enable_mintaudio = xyes; then
   645         mintaudio=no
   646         AC_CHECK_HEADER(mint/falcon.h, have_mint_falcon_hdr=yes)
   647         if test x$have_mint_falcon_hdr = xyes; then
   648             mintaudio=yes
   649             AC_DEFINE(SDL_AUDIO_DRIVER_MINT)
   650             SOURCES="$SOURCES $srcdir/src/audio/mint/*.c"
   651             SOURCES="$SOURCES $srcdir/src/audio/mint/*.S"
   652             have_audio=yes
   653         fi
   654     fi
   655 }
   656 
   657 dnl See if we can use x86 assembly blitters
   658 # NASM is available from: http://nasm.sourceforge.net
   659 CheckNASM()
   660 {
   661     dnl Make sure we are running on an x86 platform
   662     case $host in
   663         i?86*)
   664             ;;
   665         *)
   666         # Nope, bail early.
   667             return
   668             ;;
   669     esac
   670     dnl Check for NASM (for assembly blit routines)
   671     AC_ARG_ENABLE(nasm,
   672 AC_HELP_STRING([--enable-nasm], [use nasm assembly blitters on x86 [[default=yes]]]),
   673                   , enable_nasm=yes)
   674     if test x$enable_video = xyes -a x$enable_assembly = xyes -a x$enable_nasm = xyes; then
   675         CompileNASM()
   676         {
   677             # Usage: CompileNASM <filename>
   678             AC_MSG_CHECKING(to see if $NASM supports $1)
   679             if $NASM $NASMFLAGS $1 -o $1.o >&AS_MESSAGE_LOG_FD 2>&1; then
   680                 CompileNASM_ret="yes"
   681             else
   682                 CompileNASM_ret="no"
   683             fi
   684             rm -f $1 $1.o
   685             AC_MSG_RESULT($CompileNASM_ret)
   686             test "$CompileNASM_ret" = "yes"
   687         }
   688 
   689         if test x"$NASMFLAGS" = x; then
   690             case $ARCH in
   691               win32)
   692                   NASMFLAGS="-f win32"
   693                   ;;
   694               openbsd)
   695                   NASMFLAGS="-f aoutb"
   696                   ;;
   697               macosx)
   698                   NASMFLAGS="-f macho"
   699                   ;;
   700               *)
   701                   NASMFLAGS="-f elf"
   702                   ;;
   703             esac
   704         fi
   705 
   706         AC_PATH_PROG(NASM, yasm)
   707         echo "%ifidn __OUTPUT_FORMAT__,elf" > unquoted-sections
   708         echo "section .note.GNU-stack noalloc noexec nowrite progbits" >> unquoted-sections
   709         echo "%endif" >> unquoted-sections
   710         CompileNASM unquoted-sections || NASM=""
   711 
   712         if test "x$NASM" = x -o "x$NASM" = x'"$NASM"'; then
   713             $as_unset ac_cv_path_NASM
   714             AC_PATH_PROG(NASM, nasm)
   715         fi
   716         if test "x$NASM" != x -a "x$NASM" != x'"$NASM"'; then
   717             AC_DEFINE(SDL_HERMES_BLITTERS)
   718             SOURCES="$SOURCES $srcdir/src/hermes/*.asm"
   719             NASMFLAGS="$NASMFLAGS -I $srcdir/src/hermes/"
   720 
   721             dnl See if hidden visibility is supported
   722             echo "GLOBAL _bar:function hidden" > symbol-visibility
   723             echo "_bar:" >> symbol-visibility
   724             CompileNASM symbol-visibility && NASMFLAGS="$NASMFLAGS -DHIDDEN_VISIBILITY"
   725 
   726             AC_SUBST(NASM)
   727             AC_SUBST(NASMFLAGS)
   728 
   729             case "$host" in
   730                 # this line is needed for QNX, because it's not defined the __ELF__
   731                 *-*-qnx*)
   732                      EXTRA_CFLAGS="$EXTRA_CFLAGS -D__ELF__";;
   733                 *-*-solaris*)
   734                      EXTRA_CFLAGS="$EXTRA_CFLAGS -D__ELF__";;
   735             esac
   736         fi
   737     fi
   738 }
   739 
   740 dnl Check for altivec instruction support using gas syntax
   741 CheckAltivec()
   742 {
   743     AC_ARG_ENABLE(altivec,
   744 AC_HELP_STRING([--enable-altivec], [use altivec assembly blitters on PPC [[default=yes]]]),
   745                   , enable_altivec=yes)
   746     if test x$enable_video = xyes -a x$enable_assembly = xyes -a x$enable_altivec = xyes; then
   747         have_altivec_h_hdr=no
   748         AC_CHECK_HEADER(altivec.h, have_altivec_h_hdr=yes)
   749 
   750         save_CFLAGS="$CFLAGS"
   751         have_gcc_altivec=no
   752         AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
   753         altivec_CFLAGS="-maltivec"
   754         CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   755 
   756         if test x$have_altivec_h_hdr = xyes; then
   757           AC_TRY_COMPILE([
   758           #include <altivec.h>
   759           vector unsigned int vzero() {
   760               return vec_splat_u32(0);
   761           }
   762           ],[
   763           ],[
   764           have_gcc_altivec=yes
   765           ])
   766           AC_MSG_RESULT($have_gcc_altivec)
   767         else
   768           AC_TRY_COMPILE([
   769           vector unsigned int vzero() {
   770               return vec_splat_u32(0);
   771           }
   772           ],[
   773           ],[
   774           have_gcc_altivec=yes
   775           ])
   776           AC_MSG_RESULT($have_gcc_altivec)
   777         fi
   778 
   779         if test x$have_gcc_altivec = xno; then
   780             AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
   781             altivec_CFLAGS="-faltivec"
   782             CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   783             if test x$have_altivec_h_hdr = xyes; then
   784               AC_TRY_COMPILE([
   785               #include <altivec.h>
   786               vector unsigned int vzero() {
   787                   return vec_splat_u32(0);
   788               }
   789               ],[
   790               ],[
   791               have_gcc_altivec=yes
   792               ])
   793               AC_MSG_RESULT($have_gcc_altivec)
   794             else
   795               AC_TRY_COMPILE([
   796               vector unsigned int vzero() {
   797                   return vec_splat_u32(0);
   798               }
   799               ],[
   800               ],[
   801               have_gcc_altivec=yes
   802               ])
   803               AC_MSG_RESULT($have_gcc_altivec)
   804             fi
   805         fi
   806         CFLAGS="$save_CFLAGS"
   807 
   808         if test x$have_gcc_altivec = xyes; then
   809             AC_DEFINE(SDL_ALTIVEC_BLITTERS)
   810             if test x$have_altivec_h_hdr = xyes; then
   811               AC_DEFINE(HAVE_ALTIVEC_H)
   812             fi
   813             EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
   814         fi
   815     fi
   816 }
   817 
   818 dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).
   819 dnl  Details of this flag are here: http://gcc.gnu.org/wiki/Visibility
   820 CheckVisibilityHidden()
   821 {
   822     AC_MSG_CHECKING(for GCC -fvisibility=hidden option)
   823     have_gcc_fvisibility=no
   824 
   825     visibility_CFLAGS="-fvisibility=hidden"
   826     save_CFLAGS="$CFLAGS"
   827     CFLAGS="$save_CFLAGS $visibility_CFLAGS"
   828     AC_TRY_COMPILE([
   829     #if !defined(__GNUC__) || __GNUC__ < 4
   830     #error SDL only uses visibility attributes in GCC 4 or newer
   831     #endif
   832     ],[
   833     ],[
   834     have_gcc_fvisibility=yes
   835     ])
   836     AC_MSG_RESULT($have_gcc_fvisibility)
   837     CFLAGS="$save_CFLAGS"
   838 
   839     if test x$have_gcc_fvisibility = xyes; then
   840         EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"
   841     fi
   842 }
   843 
   844 
   845 dnl Do the iPod thing
   846 CheckIPod()
   847 {
   848     AC_ARG_ENABLE(ipod,
   849 AC_HELP_STRING([--enable-ipod], [configure SDL to work with iPodLinux [default=yes on arm-elf]]),
   850         , enable_ipod=yes)
   851 
   852     if test x$enable_ipod = xyes; then
   853         EXTRA_CFLAGS="$EXTRA_CFLAGS -DIPOD"
   854         AC_DEFINE(SDL_VIDEO_DRIVER_IPOD)
   855         SOURCES="$SOURCES $srcdir/src/video/ipod/*.c"
   856     fi
   857 }
   858 
   859 dnl Find the nanox include and library directories
   860 CheckNANOX()
   861 {
   862     AC_ARG_ENABLE(video-nanox,
   863         AC_HELP_STRING([--enable-video-nanox], [use nanox video driver [[default=no]]]),
   864         , enable_video_nanox=no)
   865 
   866     if test x$enable_video = xyes -a x$enable_video_nanox = xyes; then
   867         AC_ARG_ENABLE(nanox-debug,  
   868             AC_HELP_STRING([--enable-nanox-debug], [print debug messages [[default=no]]]),
   869             , enable_nanox_debug=no)
   870         if test x$enable_nanox_debug = xyes; then
   871             EXTRA_CFLAGS="$EXTRA_CFLAGS -DENABLE_NANOX_DEBUG"
   872         fi
   873 
   874         AC_ARG_ENABLE(nanox-share-memory,  
   875             AC_HELP_STRING([--enable-nanox-share-memory], [use share memory [[default=no]]]),
   876             , enable_nanox_share_memory=no)
   877         if test x$enable_nanox_share_memory = xyes; then
   878             EXTRA_CFLAGS="$EXTRA_CFLAGS -DNANOX_SHARE_MEMORY"
   879         fi
   880 
   881         AC_ARG_ENABLE(nanox_direct_fb, 
   882             AC_HELP_STRING([--enable-nanox-direct-fb], [use direct framebuffer access [[default=no]]]),
   883             , enable_nanox_direct_fb=no)
   884         if test x$enable_nanox_direct_fb = xyes; then
   885             EXTRA_CFLAGS="$EXTRA_CFLAGS -DENABLE_NANOX_DIRECT_FB"
   886         fi
   887 
   888         AC_DEFINE(SDL_VIDEO_DRIVER_NANOX)
   889         SOURCES="$SOURCES $srcdir/src/video/nanox/*.c"
   890         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lnano-X"
   891         have_video=yes
   892     fi
   893 }
   894 
   895 dnl Find the X11 include and library directories
   896 CheckX11()
   897 {
   898     AC_ARG_ENABLE(video-x11,
   899 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
   900                   , enable_video_x11=yes)
   901     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
   902         case "$host" in
   903             *-*-darwin*)
   904                 # This isn't necessary for X11, but fixes GLX detection
   905                 if test "x$x_includes" = xNONE && test "x$x_libraries" = xNONE; then
   906                     x_includes="/usr/X11R6/include"
   907                     x_libraries="/usr/X11R6/lib"
   908                 fi
   909                 ;;
   910         esac
   911         AC_PATH_X
   912         AC_PATH_XTRA
   913         if test x$have_x = xyes; then
   914             # Only allow dynamically loaded X11 if the X11 function pointers
   915             # will not end up in the global namespace, which causes problems
   916             # with other libraries calling X11 functions.
   917             x11_symbols_private=$have_gcc_fvisibility
   918 
   919             AC_ARG_ENABLE(x11-shared,
   920 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
   921                           , enable_x11_shared=maybe)
   922 
   923             case "$host" in
   924                 *-*-darwin*) # Latest Mac OS X actually ships with Xrandr/Xrender libs...
   925                     x11_symbols_private=yes
   926                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
   927                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
   928                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
   929                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
   930                     ;;
   931                 *-*-osf*)
   932                     x11_lib='libX11.so'
   933                     x11ext_lib='libXext.so'
   934                     ;;
   935                 *-*-irix*) # IRIX 6.5 requires that we use /usr/lib32
   936                     x11_lib='libX11.so'
   937                     x11ext_lib='libXext.so'
   938                     ;;
   939                 *)
   940                     x11_lib_spec=[`echo $X_LIBS | sed 's/.*-L\([^ ]*\).*/\1/'`]
   941                     for path in $x11_lib_path /usr/lib /usr/X11/lib /usr/X11R6/lib; do
   942                         if test "x$x11_lib" = "x"; then
   943                             x11_lib=[`ls -- $path/libX11.so.[0-9] 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
   944                             if test "x$x11_lib" = "x"; then
   945                                 x11_lib=[`ls -- $path/libX11.so.[0-9]* 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
   946                             fi
   947                         fi
   948                         if test "x$x11ext_lib" = "x"; then
   949                             x11ext_lib=[`ls -- $path/libXext.so.[0-9] 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
   950                             if test "x$x11ext_lib" = "x"; then
   951                                 x11ext_lib=[`ls -- $path/libXext.so.[0-9]* 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
   952                             fi
   953                         fi
   954                         if test "x$xrender_lib" = "x"; then
   955                             xrender_lib=[`ls -- $path/libXrender.so.[0-9] 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
   956                             if test "x$xrender_lib" = "x"; then
   957                                 xrender_lib=[`ls -- $path/libXrender.so.[0-9]* 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
   958                             fi
   959                         fi
   960                         if test "x$xrandr_lib" = "x"; then
   961                             xrandr_lib=[`ls -- $path/libXrandr.so.[0-9] 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
   962                             if test "x$xrandr_lib" = "x"; then
   963                                 xrandr_lib=[`ls -- $path/libXrandr.so.[0-9]* 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
   964                             fi
   965                         fi
   966                     done
   967                     ;;
   968             esac
   969 
   970             X_CFLAGS="$X_CFLAGS -DXTHREADS"
   971             if test x$ac_cv_func_shmat != xyes; then
   972                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
   973             fi
   974             CFLAGS="$CFLAGS $X_CFLAGS"
   975             LDFLAGS="$LDFLAGS $X_LIBS"
   976 
   977             AC_DEFINE(SDL_VIDEO_DRIVER_X11)
   978             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
   979             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
   980 
   981             if test x$enable_x11_shared = xmaybe; then
   982                 enable_x11_shared=$x11_symbols_private
   983             fi
   984             if test x$have_loadso != xyes && \
   985                test x$enable_x11_shared = xyes; then
   986                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
   987                 enable_x11_shared=no
   988             fi
   989             if test x$x11_symbols_private != xyes && \
   990                test x$enable_x11_shared = xyes; then
   991                 AC_MSG_WARN([You must have gcc4 (-fvisibility=hidden) for dynamic X11 loading])
   992                 enable_x11_shared=no
   993             fi
   994 
   995             if test x$have_loadso = xyes && \
   996                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
   997                 echo "-- dynamic libX11 -> $x11_lib"
   998                 echo "-- dynamic libX11ext -> $x11ext_lib"
   999                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib")
  1000                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib")
  1001             else
  1002                 enable_x11_shared=no
  1003                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
  1004             fi
  1005             have_video=yes
  1006 
  1007             AC_ARG_ENABLE(dga,
  1008 AC_HELP_STRING([--enable-dga], [allow use of X11 DGA code [[default=yes]]]),
  1009                           , enable_dga=yes)
  1010             if test x$enable_dga = xyes; then
  1011                 SOURCES="$SOURCES $srcdir/src/video/Xext/Xxf86dga/*.c"
  1012             fi
  1013             AC_ARG_ENABLE(video-dga,
  1014 AC_HELP_STRING([--enable-video-dga], [use DGA 2.0 video driver [[default=yes]]]),
  1015                   , enable_video_dga=yes)
  1016             if test x$enable_dga = xyes -a x$enable_video_dga = xyes; then
  1017                 AC_DEFINE(SDL_VIDEO_DRIVER_DGA)
  1018                 SOURCES="$SOURCES $srcdir/src/video/dga/*.c"
  1019             fi
  1020             AC_ARG_ENABLE(video-x11-dgamouse,
  1021 AC_HELP_STRING([--enable-video-x11-dgamouse], [use X11 DGA for mouse events [[default=yes]]]),
  1022                           , enable_video_x11_dgamouse=yes)
  1023             if test x$enable_dga = xyes -a x$enable_video_x11_dgamouse = xyes; then
  1024                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_DGAMOUSE)
  1025             fi
  1026             AC_ARG_ENABLE(video-x11-vm,
  1027 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
  1028                           , enable_video_x11_vm=yes)
  1029             if test x$enable_video_x11_vm = xyes; then
  1030                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_VIDMODE)
  1031                 SOURCES="$SOURCES $srcdir/src/video/Xext/Xxf86vm/*.c"
  1032             fi
  1033             AC_ARG_ENABLE(video-x11-xv,
  1034 AC_HELP_STRING([--enable-video-x11-xv], [use X11 XvImage extension for video [[default=yes]]]),
  1035                           , enable_video_x11_xv=yes)
  1036             if test x$enable_video_x11_xv = xyes; then
  1037                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XV)
  1038                 SOURCES="$SOURCES $srcdir/src/video/Xext/Xv/*.c"
  1039             fi
  1040             AC_ARG_ENABLE(video-x11-xinerama,
  1041 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
  1042                             , enable_video_x11_xinerama=yes)
  1043             if test x$enable_video_x11_xinerama = xyes; then
  1044                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA)
  1045                 SOURCES="$SOURCES $srcdir/src/video/Xext/Xinerama/*.c"
  1046             fi
  1047             AC_ARG_ENABLE(video-x11-xme,
  1048 AC_HELP_STRING([--enable-video-x11-xme], [enable Xi Graphics XME for fullscreen [[default=yes]]]),
  1049                             , enable_video_x11_xme=yes)
  1050             if test x$enable_video_x11_xme = xyes; then
  1051                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XME)
  1052                 SOURCES="$SOURCES $srcdir/src/video/Xext/XME/*.c"
  1053             fi
  1054             AC_ARG_ENABLE(video-x11-xrandr,
  1055 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
  1056                             , enable_video_x11_xrandr=yes)
  1057             if test x$enable_video_x11_xrandr = xyes; then
  1058                 definitely_enable_video_x11_xrandr=no
  1059                 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
  1060                                 have_xrandr_h_hdr=yes,
  1061                                 have_xrandr_h_hdr=no,
  1062                                 [#include <X11/Xlib.h>
  1063                                 ])
  1064                 if test x$have_xrandr_h_hdr = xyes; then
  1065                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
  1066                         echo "-- dynamic libXrender -> $xrender_lib"
  1067                         echo "-- dynamic libXrandr -> $xrandr_lib"
  1068                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRENDER, "$xrender_lib")
  1069                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib")
  1070                         definitely_enable_video_x11_xrandr=yes
  1071                     else
  1072                         AC_CHECK_LIB(Xrender, XRenderQueryExtension, have_xrender_lib=yes)
  1073                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
  1074                         if test x$have_xrender_lib = xyes && test x$have_xrandr_lib = xyes ; then
  1075                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr -lXrender"
  1076                             definitely_enable_video_x11_xrandr=yes
  1077                         fi
  1078                     fi
  1079                 fi
  1080             fi
  1081             if test x$definitely_enable_video_x11_xrandr = xyes; then
  1082                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR)
  1083             fi
  1084             AC_ARG_ENABLE(video-x11-dpms,
  1085 AC_HELP_STRING([--enable-video-x11-dpms], [enable X11 DPMS extension [[default=yes]]]),
  1086                             , enable_video_x11_dpms=yes)
  1087             if test x$enable_video_x11_dpms = xyes; then
  1088                 AC_CHECK_HEADER(X11/extensions/dpms.h,
  1089                                 have_dpms_h_hdr=yes,
  1090                                 have_dpms_h_hdr=no,
  1091                                 [#include <X11/Xlib.h>
  1092                                 ])
  1093                 if test x$have_dpms_h_hdr = xyes; then
  1094                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_DPMS)
  1095                 fi
  1096             fi
  1097         fi
  1098     fi
  1099 }
  1100 
  1101 dnl Check for QNX photon video driver
  1102 CheckPHOTON()
  1103 {
  1104     AC_ARG_ENABLE(video-photon,
  1105 AC_HELP_STRING([--enable-video-photon], [use QNX Photon video driver [[default=yes]]]),
  1106                   , enable_video_photon=yes)
  1107     if test x$enable_video = xyes -a x$enable_video_photon = xyes; then
  1108         AC_MSG_CHECKING(for QNX Photon support)
  1109         video_photon=no
  1110         AC_TRY_COMPILE([
  1111           #include <Ph.h>
  1112           #include <Pt.h>
  1113           #include <photon/Pg.h>
  1114           #include <photon/PdDirect.h>
  1115         ],[
  1116          PgDisplaySettings_t *visual;
  1117         ],[
  1118         video_photon=yes
  1119         ])
  1120         AC_MSG_RESULT($video_photon)
  1121         if test x$video_photon = xyes; then
  1122             AC_DEFINE(SDL_VIDEO_DRIVER_PHOTON)
  1123             SOURCES="$SOURCES $srcdir/src/video/photon/*.c"
  1124             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lph"
  1125             have_video=yes
  1126 
  1127             CheckOpenGLQNX
  1128         fi
  1129     fi
  1130 }
  1131 
  1132 dnl Set up the BWindow video driver if enabled
  1133 CheckBWINDOW()
  1134 {
  1135     if test x$enable_video = xyes; then
  1136         AC_DEFINE(SDL_VIDEO_DRIVER_BWINDOW)
  1137         SOURCES="$SOURCES $srcdir/src/video/bwindow/*.cc"
  1138         have_video=yes
  1139     fi
  1140 }
  1141 
  1142 dnl Set up the Carbon/QuickDraw video driver for Mac OS X (but not Darwin)
  1143 CheckCARBON()
  1144 {
  1145     AC_ARG_ENABLE(video-carbon,
  1146 AC_HELP_STRING([--enable-video-carbon], [use Carbon/QuickDraw video driver [[default=no]]]),
  1147                   , enable_video_carbon=no)
  1148     if test x$enable_video = xyes -a x$enable_video_carbon = xyes; then
  1149         AC_MSG_CHECKING(for Carbon framework)
  1150         have_carbon=no
  1151         AC_TRY_COMPILE([
  1152           #include <Carbon/Carbon.h>
  1153         ],[
  1154         ],[
  1155         have_carbon=yes
  1156         ])
  1157         AC_MSG_RESULT($have_carbon)
  1158         if test x$have_carbon = xyes; then
  1159             AC_DEFINE(SDL_VIDEO_DRIVER_TOOLBOX)
  1160             SOURCES="$SOURCES $srcdir/src/video/maccommon/*.c"
  1161             SOURCES="$SOURCES $srcdir/src/video/macrom/*.c"
  1162             have_video=yes
  1163         fi
  1164     fi
  1165 }
  1166 
  1167 dnl Set up the Cocoa/Quartz video driver for Mac OS X (but not Darwin)
  1168 CheckCOCOA()
  1169 {
  1170     AC_ARG_ENABLE(video-cocoa,
  1171 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa/Quartz video driver [[default=yes]]]),
  1172                   , enable_video_cocoa=yes)
  1173     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  1174         save_CFLAGS="$CFLAGS"
  1175         dnl work around that we don't have Objective-C support in autoconf
  1176         CFLAGS="$CFLAGS -x objective-c"
  1177         AC_MSG_CHECKING(for Cocoa framework)
  1178         have_cocoa=no
  1179         AC_TRY_COMPILE([
  1180           #import <Cocoa/Cocoa.h>
  1181         ],[
  1182         ],[
  1183         have_cocoa=yes
  1184         ])
  1185         AC_MSG_RESULT($have_cocoa)
  1186         CFLAGS="$save_CFLAGS"
  1187         if test x$have_cocoa = xyes; then
  1188             AC_DEFINE(SDL_VIDEO_DRIVER_QUARTZ)
  1189             SOURCES="$SOURCES $srcdir/src/video/quartz/*.m"
  1190             have_video=yes
  1191         fi
  1192     fi
  1193 }
  1194 
  1195 dnl Find the framebuffer console includes
  1196 CheckFBCON()
  1197 {
  1198     AC_ARG_ENABLE(video-fbcon,
  1199 AC_HELP_STRING([--enable-video-fbcon], [use framebuffer console video driver [[default=yes]]]),
  1200                   , enable_video_fbcon=yes)
  1201     if test x$enable_video = xyes -a x$enable_video_fbcon = xyes; then
  1202         AC_MSG_CHECKING(for framebuffer console support)
  1203         video_fbcon=no
  1204         AC_TRY_COMPILE([
  1205          #include <linux/fb.h>
  1206          #include <linux/kd.h>
  1207          #include <linux/keyboard.h>
  1208         ],[
  1209         ],[
  1210         video_fbcon=yes
  1211         ])
  1212         AC_MSG_RESULT($video_fbcon)
  1213         if test x$video_fbcon = xyes; then
  1214             AC_CHECK_FUNCS(getpagesize)
  1215             AC_DEFINE(SDL_VIDEO_DRIVER_FBCON)
  1216             SOURCES="$SOURCES $srcdir/src/video/fbcon/*.c"
  1217             have_video=yes
  1218         fi
  1219     fi
  1220 }
  1221 
  1222 dnl Find DirectFB
  1223 CheckDirectFB()
  1224 {
  1225     AC_ARG_ENABLE(video-directfb,
  1226 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=yes]]]),
  1227                   , enable_video_directfb=yes)
  1228     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
  1229         video_directfb=no
  1230 
  1231         DIRECTFB_REQUIRED_VERSION=0.9.15
  1232 
  1233         AC_PATH_PROG(DIRECTFBCONFIG, directfb-config, no)
  1234         if test x$DIRECTFBCONFIG = xno; then
  1235             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1236             AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
  1237             if test x$PKG_CONFIG != xno; then
  1238                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
  1239                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
  1240                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
  1241                     video_directfb=yes
  1242                 fi
  1243             fi
  1244             AC_MSG_RESULT($video_directfb)
  1245         else
  1246             AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
  1247             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
  1248             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1249             set -- `directfb-config --version | sed 's/\./ /g'`
  1250             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1251             if test $HAVE_VERSION -ge $NEED_VERSION; then
  1252                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
  1253                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
  1254                 video_directfb=yes
  1255             fi
  1256             AC_MSG_RESULT($video_directfb)
  1257         fi
  1258 
  1259         if test x$video_directfb = xyes; then
  1260             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB)
  1261             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
  1262             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
  1263             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
  1264             have_video=yes
  1265         fi
  1266     fi
  1267 }
  1268 
  1269 dnl See if we're running on PlayStation 2 hardware
  1270 CheckPS2GS()
  1271 {
  1272     AC_ARG_ENABLE(video-ps2gs,
  1273 AC_HELP_STRING([--enable-video-ps2gs], [use PlayStation 2 GS video driver [[default=yes]]]),
  1274                   , enable_video_ps2gs=yes)
  1275     if test x$enable_video = xyes -a x$enable_video_ps2gs = xyes; then
  1276         AC_MSG_CHECKING(for PlayStation 2 GS support)
  1277         video_ps2gs=no
  1278         AC_TRY_COMPILE([
  1279          #include <linux/ps2/dev.h>
  1280          #include <linux/ps2/gs.h>
  1281         ],[
  1282         ],[
  1283         video_ps2gs=yes
  1284         ])
  1285         AC_MSG_RESULT($video_ps2gs)
  1286         if test x$video_ps2gs = xyes; then
  1287             AC_DEFINE(SDL_VIDEO_DRIVER_PS2GS)
  1288             SOURCES="$SOURCES $srcdir/src/video/ps2gs/*.c"
  1289             have_video=yes
  1290         fi
  1291     fi
  1292 }
  1293 
  1294 dnl Find the GGI includes
  1295 CheckGGI()
  1296 {
  1297     AC_ARG_ENABLE(video-ggi,
  1298 AC_HELP_STRING([--enable-video-ggi], [use GGI video driver [[default=no]]]),
  1299                   , enable_video_ggi=no)
  1300     if test x$enable_video = xyes -a x$enable_video_ggi = xyes; then
  1301         AC_MSG_CHECKING(for GGI support)
  1302         video_ggi=no
  1303         AC_TRY_COMPILE([
  1304          #include <ggi/ggi.h>
  1305          #include <ggi/gii.h>
  1306         ],[
  1307         ],[
  1308         video_ggi=yes
  1309         ])
  1310         AC_MSG_RESULT($video_ggi)
  1311         if test x$video_ggi = xyes; then
  1312             AC_DEFINE(SDL_VIDEO_DRIVER_GGI)
  1313             SOURCES="$SOURCES $srcdir/src/video/ggi/*.c"
  1314             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lggi -lgii -lgg"
  1315             have_video=yes
  1316         fi
  1317     fi
  1318 }
  1319 
  1320 dnl Find the SVGAlib includes and libraries
  1321 CheckSVGA()
  1322 {
  1323     AC_ARG_ENABLE(video-svga,
  1324 AC_HELP_STRING([--enable-video-svga], [use SVGAlib video driver [[default=yes]]]),
  1325                   , enable_video_svga=yes)
  1326     if test x$enable_video = xyes -a x$enable_video_svga = xyes; then
  1327         AC_MSG_CHECKING(for SVGAlib (1.4.0+) support)
  1328         video_svga=no
  1329         AC_TRY_COMPILE([
  1330          #include <vga.h>
  1331          #include <vgamouse.h>
  1332          #include <vgakeyboard.h>
  1333         ],[
  1334          if ( SCANCODE_RIGHTWIN && SCANCODE_LEFTWIN ) {
  1335              exit(0);
  1336          }
  1337         ],[
  1338         video_svga=yes
  1339         ])
  1340         AC_MSG_RESULT($video_svga)
  1341         if test x$video_svga = xyes; then
  1342             AC_DEFINE(SDL_VIDEO_DRIVER_SVGALIB)
  1343             SOURCES="$SOURCES $srcdir/src/video/svga/*.c"
  1344             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lvga"
  1345             have_video=yes
  1346         fi
  1347     fi
  1348 }
  1349 
  1350 dnl Find the VGL includes and libraries
  1351 CheckVGL()
  1352 {
  1353     AC_ARG_ENABLE(video-vgl,
  1354 AC_HELP_STRING([--enable-video-vgl], [use VGL video driver [[default=yes]]]),
  1355                   , enable_video_vgl=yes)
  1356     if test x$enable_video = xyes -a x$enable_video_vgl = xyes; then
  1357         AC_MSG_CHECKING(for libVGL support)
  1358         video_vgl=no
  1359         AC_TRY_COMPILE([
  1360          #include <sys/fbio.h>
  1361          #include <sys/consio.h>
  1362          #include <sys/kbio.h>
  1363          #include <vgl.h>
  1364         ],[
  1365          VGLBitmap bitmap;
  1366          bitmap.Type = VIDBUF32;
  1367          bitmap.PixelBytes = 4;
  1368          exit(bitmap.Bitmap);
  1369         ],[
  1370         video_vgl=yes
  1371         ])
  1372         AC_MSG_RESULT($video_vgl)
  1373         if test x$video_vgl = xyes; then
  1374             AC_DEFINE(SDL_VIDEO_DRIVER_VGL)
  1375             SOURCES="$SOURCES $srcdir/src/video/vgl/*.c"
  1376             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lvgl"
  1377             have_video=yes
  1378         fi
  1379     fi
  1380 }
  1381 
  1382 dnl Set up the wscons video driver if enabled
  1383 CheckWscons()
  1384 {
  1385     AC_ARG_ENABLE(video-wscons,
  1386 AC_HELP_STRING([--enable-video-wscons], [use wscons video driver [[default=yes]]]),
  1387                   , enable_video_wscons=yes)
  1388     if test x$enable_video = xyes -a x$enable_video_wscons = xyes; then
  1389         AC_MSG_CHECKING(for wscons support)
  1390         video_wscons=no
  1391         AC_TRY_COMPILE([
  1392          #include <sys/time.h>
  1393          #include <dev/wscons/wsconsio.h>
  1394          #include <dev/wscons/wsdisplay_usl_io.h>
  1395         ],[
  1396          int wsmode = WSDISPLAYIO_MODE_DUMBFB;
  1397         ],[
  1398         video_wscons=yes
  1399         ])
  1400         AC_MSG_RESULT($video_wscons)
  1401         if test x$video_wscons = xyes; then
  1402             AC_DEFINE(SDL_VIDEO_DRIVER_WSCONS)
  1403             SOURCES="$SOURCES $srcdir/src/video/wscons/*.c"
  1404             have_video=yes
  1405         fi
  1406     fi
  1407 }
  1408 
  1409 
  1410 dnl Find the AAlib includes
  1411 CheckAAlib()
  1412 {
  1413     AC_ARG_ENABLE(video-aalib,
  1414 AC_HELP_STRING([--enable-video-aalib], [use AAlib video driver [[default=no]]]),
  1415                   , enable_video_aalib=no)
  1416     if test x$enable_video = xyes -a x$enable_video_aalib = xyes; then
  1417         AC_MSG_CHECKING(for AAlib support)
  1418         video_aalib=no
  1419         AC_TRY_COMPILE([
  1420          #include <aalib.h>
  1421         ],[
  1422         ],[
  1423         video_aalib=yes
  1424         ])
  1425         AC_MSG_RESULT($video_aalib)
  1426         if test x$video_aalib = xyes; then
  1427             AC_DEFINE(SDL_VIDEO_DRIVER_AALIB)
  1428             SOURCES="$SOURCES $srcdir/src/video/aalib/*.c"
  1429             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -laa"
  1430             have_video=yes
  1431         fi
  1432     fi
  1433 }
  1434 
  1435 dnl Set up the QTopia video driver if enabled
  1436 CheckQtopia()
  1437 {
  1438     AC_ARG_ENABLE(video-qtopia,
  1439 AC_HELP_STRING([--enable-video-qtopia], [use Qtopia video driver [[default=no]]]),
  1440                   , enable_video_qtopia=no)
  1441     if test x$enable_video = xyes -a x$enable_video_qtopia = xyes; then
  1442         AC_MSG_CHECKING(for Qtopia support)
  1443         video_qtopia=no
  1444         QTOPIA_FLAGS="-DQT_QWS_EBX -DQT_QWS_CUSTOM -DQWS -I${QPEDIR}/include -I${QTDIR}/include/ -DNO_DEBUG -fno-rtti -fno-exceptions"
  1445         AC_LANG_CPLUSPLUS
  1446         OLD_CXX="$CXXFLAGS"
  1447         CXXFLAGS="$QTOPIA_FLAGS"
  1448         AC_TRY_COMPILE([
  1449          #include <qpe/qpeapplication.h>
  1450         ],[
  1451         ],[
  1452         video_qtopia=yes
  1453         ])
  1454         CXXFLAGS="$OLD_CXX"
  1455         AC_MSG_RESULT($video_qtopia)
  1456         if test x$video_qtopia = xyes; then
  1457             AC_DEFINE(SDL_VIDEO_DRIVER_QTOPIA)
  1458             SOURCES="$SOURCES $srcdir/src/video/qtopia/*.cc"
  1459             SDLMAIN_SOURCES="$srcdir/src/main/qtopia/*.cc"
  1460             EXTRA_CFLAGS="$EXTRA_CFLAGS $QTOPIA_FLAGS"
  1461             SDL_CFLAGS="$SDL_CFLAGS -DQWS -Dmain=SDL_main"
  1462             SDL_LIBS="-lSDLmain $SDL_LIBS -L${QPEDIR}/lib -L${QTDIR}/lib/ -lqpe -lqte"
  1463             have_video=yes
  1464         fi
  1465         AC_LANG_C
  1466     fi
  1467 }
  1468 
  1469 dnl Set up the PicoGUI video driver if enabled
  1470 CheckPicoGUI()
  1471 {
  1472     AC_ARG_ENABLE(video-picogui,
  1473 AC_HELP_STRING([--enable-video-picogui], [use PicoGUI video driver [[default=no]]]),
  1474                   , enable_video_picogui=no)
  1475     if test x$enable_video = xyes -a x$enable_video_picogui = xyes; then
  1476         AC_MSG_CHECKING(for PicoGUI support)
  1477         video_picogui=no
  1478         AC_TRY_COMPILE([
  1479          #include <picogui.h>
  1480         ],[
  1481         ],[
  1482         video_picogui=yes
  1483         ])
  1484         AC_MSG_RESULT($video_picogui)
  1485         if test x$video_picogui = xyes; then
  1486             AC_DEFINE(SDL_VIDEO_DRIVER_PICOGUI)
  1487             SOURCES="$SOURCES $srcdir/src/video/picogui/*.c"
  1488             SDL_LIBS="$SDL_LIBS -lpgui"
  1489             have_video=yes
  1490         fi
  1491     fi
  1492 }
  1493 
  1494 dnl Set up the Atari Bios keyboard driver
  1495 CheckAtariBiosEvent()
  1496 {
  1497     SOURCES="$SOURCES $srcdir/src/video/ataricommon/*.c"
  1498     SOURCES="$SOURCES $srcdir/src/video/ataricommon/*.S"
  1499 }
  1500 
  1501 dnl Set up the Atari Xbios driver
  1502 CheckAtariXbiosVideo()
  1503 {
  1504     AC_ARG_ENABLE(xbios,
  1505 AC_HELP_STRING([--enable-video-xbios], [use Atari Xbios video driver [[default=yes]]]),
  1506                   , enable_video_xbios=yes)
  1507     video_xbios=no
  1508     if test x$enable_video = xyes -a x$enable_video_xbios = xyes; then
  1509         video_xbios=yes
  1510         AC_DEFINE(SDL_VIDEO_DRIVER_XBIOS)
  1511         SOURCES="$SOURCES $srcdir/src/video/xbios/*.c"
  1512         have_video=yes
  1513     fi
  1514 }
  1515 
  1516 dnl Set up the Atari Gem driver
  1517 CheckAtariGemVideo()
  1518 {
  1519     AC_ARG_ENABLE(gem,
  1520 AC_HELP_STRING([--enable-video-gem], [use Atari Gem video driver [[default=yes]]]),
  1521                   , enable_video_gem=yes)
  1522     if test x$enable_video = xyes -a x$enable_video_gem = xyes; then
  1523         video_gem=no
  1524         AC_CHECK_HEADER(gem.h, have_gem_hdr=yes)
  1525         AC_CHECK_LIB(gem, appl_init, have_gem_lib=yes)
  1526         if test x$have_gem_hdr = xyes -a x$have_gem_lib = xyes; then
  1527             video_gem=yes
  1528             AC_DEFINE(SDL_VIDEO_DRIVER_GEM)
  1529             SOURCES="$SOURCES $srcdir/src/video/gem/*.c"
  1530             SDL_LIBS="$SDL_LIBS -lgem"
  1531             have_video=yes
  1532         fi
  1533     fi
  1534 }
  1535 
  1536 dnl rcg04172001 Set up the Null video driver.
  1537 CheckDummyVideo()
  1538 {
  1539     AC_ARG_ENABLE(video-dummy,
  1540 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
  1541                   , enable_video_dummy=yes)
  1542     if test x$enable_video_dummy = xyes; then
  1543         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY)
  1544         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
  1545         have_video=yes
  1546     fi
  1547 }
  1548 
  1549 dnl Check to see if OpenGL support is desired
  1550 AC_ARG_ENABLE(video-opengl,
  1551 AC_HELP_STRING([--enable-video-opengl], [include OpenGL context creation [[default=yes]]]),
  1552               , enable_video_opengl=yes)
  1553 
  1554 dnl Find OpenGL
  1555 CheckOpenGLX11()
  1556 {
  1557     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1558         AC_MSG_CHECKING(for OpenGL (GLX) support)
  1559         video_opengl=no
  1560         AC_TRY_COMPILE([
  1561          #include <GL/gl.h>
  1562          #include <GL/glx.h>
  1563          #include <GL/glu.h>
  1564         ],[
  1565         ],[
  1566         video_opengl=yes
  1567         ])
  1568         AC_MSG_RESULT($video_opengl)
  1569         if test x$video_opengl = xyes; then
  1570             AC_DEFINE(SDL_VIDEO_OPENGL)
  1571             AC_DEFINE(SDL_VIDEO_OPENGL_GLX)
  1572         fi
  1573     fi
  1574 }
  1575 
  1576 dnl Find QNX RtP OpenGL
  1577 CheckOpenGLQNX()
  1578 {
  1579     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1580         AC_MSG_CHECKING(for OpenGL (Photon) support)
  1581         video_opengl=no
  1582         AC_TRY_COMPILE([
  1583          #include <GL/gl.h>
  1584         ],[
  1585         ],[
  1586         video_opengl=yes
  1587         ])
  1588         AC_MSG_RESULT($video_opengl)
  1589         if test x$video_opengl = xyes; then
  1590             AC_DEFINE(SDL_VIDEO_OPENGL)
  1591             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  1592         fi
  1593     fi
  1594 }
  1595 
  1596 dnl Check for Win32 OpenGL
  1597 CheckWIN32GL()
  1598 {
  1599     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1600         AC_DEFINE(SDL_VIDEO_OPENGL)
  1601         AC_DEFINE(SDL_VIDEO_OPENGL_WGL)
  1602     fi
  1603 }
  1604 
  1605 dnl Check for BeOS OpenGL
  1606 CheckBeGL()
  1607 {
  1608     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1609         AC_DEFINE(SDL_VIDEO_OPENGL)
  1610         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  1611     fi
  1612 }
  1613 
  1614 dnl Check for MacOS OpenGL
  1615 CheckMacGL()
  1616 {
  1617     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1618         AC_DEFINE(SDL_VIDEO_OPENGL)
  1619         case "$host" in
  1620             *-*-darwin*)
  1621                 if test x$enable_video_cocoa = xyes; then
  1622                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGL"
  1623                 fi
  1624                 if test x$enable_video_carbon = xyes; then
  1625                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AGL"
  1626                 fi
  1627         esac
  1628     fi
  1629 }
  1630 
  1631 dnl Check for Mesa offscreen rendering
  1632 CheckAtariOSMesa()
  1633 {
  1634     if test "x$enable_video" = "xyes" -a "x$enable_video_opengl" = "xyes"; then
  1635         AC_CHECK_HEADER(GL/osmesa.h, have_osmesa_hdr=yes)
  1636         AC_CHECK_LIB(OSMesa, OSMesaCreateContext, have_osmesa_lib=yes, have_osmesa_lib=no, -lm)
  1637 
  1638         # Static linking to -lOSMesa
  1639         AC_PATH_PROG(OSMESA_CONFIG, osmesa-config, no)
  1640         if test "x$OSMESA_CONFIG" = "xno" -o "x$enable_atari_ldg" = "xno"; then
  1641             # -lOSMesa is really the static library
  1642             if test "x$have_osmesa_hdr" = "xyes" -a "x$have_osmesa_lib" = "xyes"; then
  1643                 OSMESA_LIBS="-lOSMesa"
  1644             fi
  1645         else
  1646             # -lOSMesa is a loader for OSMesa.ldg
  1647             OSMESA_CFLAGS=`$OSMESA_CONFIG --cflags`
  1648             OSMESA_LIBS=`$OSMESA_CONFIG --libs`
  1649         fi
  1650         AC_DEFINE(SDL_VIDEO_OPENGL)
  1651         AC_DEFINE(SDL_VIDEO_OPENGL_OSMESA)
  1652         SDL_CFLAGS="$SDL_CFLAGS $OSMESA_CFLAGS"
  1653         SDL_LIBS="$SDL_LIBS $OSMESA_LIBS"
  1654 
  1655         AC_ARG_ENABLE(osmesa-shared,
  1656 AC_HELP_STRING([--enable-osmesa-shared], [dynamically load OSMesa OpenGL support [[default=yes]]]),
  1657                               , enable_osmesa_shared=yes)
  1658         if test "x$enable_osmesa_shared" = "xyes" -a "x$enable_atari_ldg" = "xyes"; then
  1659             # Dynamic linking
  1660             if test "x$have_osmesa_hdr" = "xyes"; then
  1661                 AC_DEFINE(SDL_VIDEO_OPENGL_OSMESA_DYNAMIC)
  1662             fi
  1663         fi
  1664     fi
  1665 }
  1666 
  1667 dnl See if we can use the new unified event interface in Linux 2.4
  1668 CheckInputEvents()
  1669 {
  1670     dnl Check for Linux 2.4 unified input event interface support
  1671     AC_ARG_ENABLE(input-events,
  1672 AC_HELP_STRING([--enable-input-events], [use Linux 2.4 unified input interface [[default=yes]]]),
  1673                   , enable_input_events=yes)
  1674     if test x$enable_input_events = xyes; then
  1675         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
  1676         use_input_events=no
  1677         AC_TRY_COMPILE([
  1678           #include <linux/input.h>
  1679         ],[
  1680           #ifndef EVIOCGNAME
  1681           #error EVIOCGNAME() ioctl not available
  1682           #endif
  1683         ],[
  1684         use_input_events=yes
  1685         ])
  1686         AC_MSG_RESULT($use_input_events)
  1687         if test x$use_input_events = xyes; then
  1688             AC_DEFINE(SDL_INPUT_LINUXEV)
  1689         fi
  1690     fi
  1691 }
  1692 
  1693 dnl See if we can use the Touchscreen input library
  1694 CheckTslib()
  1695 {
  1696     AC_ARG_ENABLE(input-tslib,
  1697 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
  1698                   , enable_input_tslib=yes)
  1699     if test x$enable_input_tslib = xyes; then
  1700         AC_MSG_CHECKING(for Touchscreen library support)
  1701         enable_input_tslib=no
  1702         AC_TRY_COMPILE([
  1703           #include "tslib.h"
  1704         ],[
  1705         ],[
  1706         enable_input_tslib=yes
  1707         ])
  1708         AC_MSG_RESULT($enable_input_tslib)
  1709         if test x$enable_input_tslib = xyes; then
  1710             AC_DEFINE(SDL_INPUT_TSLIB)
  1711             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
  1712         fi
  1713     fi
  1714 }
  1715 
  1716 dnl See if we can use GNU pth library for threads
  1717 CheckPTH()
  1718 {
  1719     dnl Check for pth support
  1720     AC_ARG_ENABLE(pth,
  1721 AC_HELP_STRING([--enable-pth], [use GNU pth library for multi-threading [[default=yes]]]),
  1722                   , enable_pth=yes)
  1723     if test x$enable_threads = xyes -a x$enable_pth = xyes; then
  1724         AC_PATH_PROG(PTH_CONFIG, pth-config, no)
  1725         if test "$PTH_CONFIG" = "no"; then
  1726             use_pth=no
  1727         else
  1728             use_pth=yes
  1729         fi
  1730         AC_MSG_CHECKING(pth)
  1731         AC_MSG_RESULT($use_pth)
  1732         if test "x$use_pth" = xyes; then
  1733             AC_DEFINE(SDL_THREAD_PTH)
  1734             SOURCES="$SOURCES $srcdir/src/thread/pth/*.c"
  1735             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  1736             SDL_CFLAGS="$SDL_CFLAGS `$PTH_CONFIG --cflags`"
  1737             SDL_LIBS="$SDL_LIBS `$PTH_CONFIG --libs --all`"
  1738             have_threads=yes
  1739         fi
  1740     fi
  1741 }
  1742 
  1743 dnl See what type of thread model to use on Linux and Solaris
  1744 CheckPTHREAD()
  1745 {
  1746     dnl Check for pthread support
  1747     AC_ARG_ENABLE(pthreads,
  1748 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
  1749                   , enable_pthreads=yes)
  1750     dnl This is used on Linux for glibc binary compatibility (Doh!)
  1751     AC_ARG_ENABLE(pthread-sem,
  1752 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
  1753                   , enable_pthread_sem=yes)
  1754     case "$host" in
  1755         *-*-linux*|*-*-uclinux*)
  1756             pthread_cflags="-D_REENTRANT"
  1757             pthread_lib="-lpthread"
  1758             ;;
  1759         *-*-bsdi*)
  1760             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  1761             pthread_lib=""
  1762             ;;
  1763         *-*-darwin*)
  1764             pthread_cflags="-D_THREAD_SAFE"
  1765 # causes Carbon.p complaints?
  1766 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  1767             ;;
  1768         *-*-freebsd*|*-*-dragonfly*)
  1769             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  1770             pthread_lib="-pthread"
  1771             ;;
  1772         *-*-netbsd*)
  1773             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  1774             pthread_lib="-lpthread"
  1775             ;;
  1776         *-*-openbsd*)
  1777             pthread_cflags="-D_REENTRANT"
  1778             pthread_lib="-pthread"
  1779             ;;
  1780         *-*-solaris*)
  1781             pthread_cflags="-D_REENTRANT"
  1782             pthread_lib="-lpthread -lposix4"
  1783             ;;
  1784         *-*-sysv5*)
  1785             pthread_cflags="-D_REENTRANT -Kthread"
  1786             pthread_lib=""
  1787             ;;
  1788         *-*-irix*)
  1789             pthread_cflags="-D_SGI_MP_SOURCE"
  1790             pthread_lib="-lpthread"
  1791             ;;
  1792         *-*-aix*)
  1793             pthread_cflags="-D_REENTRANT -mthreads"
  1794             pthread_lib="-lpthread"
  1795             ;;
  1796         *-*-hpux11*)
  1797             pthread_cflags="-D_REENTRANT"
  1798             pthread_lib="-L/usr/lib -lpthread"
  1799             ;;
  1800         *-*-qnx*)
  1801             pthread_cflags=""
  1802             pthread_lib=""
  1803             ;;
  1804         *-*-osf*)
  1805             pthread_cflags="-D_REENTRANT"
  1806             if test x$ac_cv_prog_gcc = xyes; then
  1807                 pthread_lib="-lpthread -lrt"
  1808             else
  1809                 pthread_lib="-lpthread -lexc -lrt"
  1810             fi
  1811             ;;
  1812         *)
  1813             pthread_cflags="-D_REENTRANT"
  1814             pthread_lib="-lpthread"
  1815             ;;
  1816     esac
  1817     if test x$enable_threads = xyes -a x$enable_pthreads = xyes -a x$enable_ipod != xyes; then
  1818         # Save the original compiler flags and libraries
  1819         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  1820         # Add the pthread compiler flags and libraries
  1821         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  1822         # Check to see if we have pthread support on this system
  1823         AC_MSG_CHECKING(for pthreads)
  1824         use_pthreads=no
  1825         AC_TRY_LINK([
  1826          #include <pthread.h>
  1827         ],[
  1828          pthread_attr_t type;
  1829          pthread_attr_init(&type);
  1830         ],[
  1831         use_pthreads=yes
  1832         ])
  1833         AC_MSG_RESULT($use_pthreads)
  1834         # Restore the compiler flags and libraries
  1835         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  1836 
  1837         # Do futher testing if we have pthread support...
  1838         if test x$use_pthreads = xyes; then
  1839             AC_DEFINE(SDL_THREAD_PTHREAD)
  1840             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
  1841             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
  1842             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
  1843             SDL_LIBS="$SDL_LIBS $pthread_lib"
  1844 
  1845             # Save the original compiler flags and libraries
  1846             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  1847             # Add the pthread compiler flags and libraries
  1848             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  1849 
  1850             # Check to see if recursive mutexes are available
  1851             AC_MSG_CHECKING(for recursive mutexes)
  1852             has_recursive_mutexes=no
  1853             if test x$has_recursive_mutexes = xno; then
  1854                 AC_TRY_COMPILE([
  1855                   #include <pthread.h>
  1856                 ],[
  1857                   pthread_mutexattr_t attr;
  1858                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
  1859                 ],[
  1860                 has_recursive_mutexes=yes
  1861                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX)
  1862                 ])
  1863             fi
  1864             if test x$has_recursive_mutexes = xno; then
  1865                 AC_TRY_COMPILE([
  1866                   #include <pthread.h>
  1867                 ],[
  1868                   pthread_mutexattr_t attr;
  1869                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
  1870                 ],[
  1871                 has_recursive_mutexes=yes
  1872                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP)
  1873                 ])
  1874             fi
  1875             AC_MSG_RESULT($has_recursive_mutexes)
  1876 
  1877             # Check to see if pthread semaphore support is missing
  1878             if test x$enable_pthread_sem = xyes; then
  1879                 AC_MSG_CHECKING(for pthread semaphores)
  1880                 have_pthread_sem=no
  1881                 AC_TRY_COMPILE([
  1882                   #include <pthread.h>
  1883                   #include <semaphore.h>
  1884                 ],[
  1885                 ],[
  1886                 have_pthread_sem=yes
  1887                 ])
  1888                 AC_MSG_RESULT($have_pthread_sem)
  1889             fi
  1890 
  1891             # Restore the compiler flags and libraries
  1892             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  1893 
  1894             # Basic thread creation functions
  1895             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
  1896 
  1897             # Semaphores
  1898             # We can fake these with mutexes and condition variables if necessary
  1899             if test x$have_pthread_sem = xyes; then
  1900                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
  1901             else
  1902                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  1903             fi
  1904 
  1905             # Mutexes
  1906             # We can fake these with semaphores if necessary
  1907             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
  1908 
  1909             # Condition variables
  1910             # We can fake these with semaphores and mutexes if necessary
  1911             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
  1912 
  1913             have_threads=yes
  1914         else
  1915             CheckPTH
  1916         fi
  1917     fi
  1918 }
  1919 
  1920 dnl Determine whether the compiler can produce Win32 executables
  1921 CheckWIN32()
  1922 {
  1923     AC_MSG_CHECKING(Win32 compiler)
  1924     have_win32_gcc=no
  1925     AC_TRY_COMPILE([
  1926      #include <windows.h>
  1927     ],[
  1928     ],[
  1929     have_win32_gcc=yes
  1930     ])
  1931     AC_MSG_RESULT($have_win32_gcc)
  1932     if test x$have_win32_gcc != xyes; then
  1933        AC_MSG_ERROR([
  1934 *** Your compiler ($CC) does not produce Win32 executables!
  1935        ])
  1936     fi
  1937 
  1938     dnl See if the user wants to redirect standard output to files
  1939     AC_ARG_ENABLE(stdio-redirect,
  1940 AC_HELP_STRING([--enable-stdio-redirect], [Redirect STDIO to files on Win32 [[default=yes]]]),
  1941                   , enable_stdio_redirect=yes)
  1942     if test x$enable_stdio_redirect != xyes; then
  1943         EXTRA_CFLAGS="$EXTRA_CFLAGS -DNO_STDIO_REDIRECT"
  1944     fi
  1945 
  1946     if test x$enable_video = xyes; then
  1947         AC_DEFINE(SDL_VIDEO_DRIVER_WINDIB)
  1948         SOURCES="$SOURCES $srcdir/src/video/wincommon/*.c"
  1949         SOURCES="$SOURCES $srcdir/src/video/windib/*.c"
  1950         have_video=yes
  1951     fi
  1952 }
  1953 
  1954 dnl Find the DirectX includes and libraries
  1955 CheckDIRECTX()
  1956 {
  1957     AC_ARG_ENABLE(directx,
  1958 AC_HELP_STRING([--enable-directx], [use DirectX for Win32 audio/video [[default=yes]]]),
  1959                   , enable_directx=yes)
  1960     if test x$enable_directx = xyes; then
  1961         have_directx=no
  1962         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
  1963         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
  1964         AC_CHECK_HEADER(dinput.h, use_dinput=yes)
  1965         if test x$have_ddraw = xyes -a x$have_dsound = xyes -a x$use_dinput = xyes; then
  1966             have_directx=yes
  1967         fi
  1968         if test x$enable_video = xyes -a x$have_directx = xyes; then
  1969             AC_DEFINE(SDL_VIDEO_DRIVER_DDRAW)
  1970             SOURCES="$SOURCES $srcdir/src/video/windx5/*.c"
  1971             have_video=yes
  1972         fi
  1973     fi
  1974 }
  1975 
  1976 dnl Check for the dlfcn.h interface for dynamically loading objects
  1977 CheckDLOPEN()
  1978 {
  1979     AC_ARG_ENABLE(sdl-dlopen,
  1980 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
  1981                   , enable_sdl_dlopen=yes)
  1982     if test x$enable_sdl_dlopen = xyes; then
  1983         AC_MSG_CHECKING(for dlopen)
  1984         have_dlopen=no
  1985         AC_TRY_COMPILE([
  1986          #include <dlfcn.h>
  1987         ],[
  1988          #if defined(MAC_OS_X_VERSION_MIN_REQUIRED) && MAC_OS_X_VERSION_MIN_REQUIRED <= 1020
  1989          #error Use dlcompat for Mac OS X 10.2 compatibility
  1990          #endif
  1991         ],[
  1992         have_dlopen=yes
  1993         ])
  1994         AC_MSG_RESULT($have_dlopen)
  1995 
  1996         if test x$have_dlopen = xyes; then
  1997             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
  1998                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
  1999                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
  2000             AC_CHECK_LIB(dl, dlvsym, have_dlvsym=yes)
  2001             if test x$have_dlvsym = xyes; then
  2002                 AC_DEFINE(HAVE_DLVSYM)
  2003             fi
  2004             AC_DEFINE(SDL_LOADSO_DLOPEN)
  2005             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
  2006             have_loadso=yes
  2007         fi
  2008     fi
  2009 }
  2010 
  2011 dnl Set up the Atari LDG (shared object loader)
  2012 CheckAtariLdg()
  2013 {
  2014     AC_ARG_ENABLE(atari-ldg,
  2015 AC_HELP_STRING([--enable-atari-ldg], [use Atari LDG for shared object loading [[default=yes]]]),
  2016                   , enable_atari_ldg=yes)
  2017     if test x$video_gem = xyes -a x$enable_atari_ldg = xyes; then
  2018         AC_CHECK_HEADER(ldg.h, have_ldg_hdr=yes)
  2019         AC_CHECK_LIB(ldg, ldg_open, have_ldg_lib=yes, have_ldg_lib=no, -lgem)
  2020         if test x$have_ldg_hdr = xyes -a x$have_ldg_lib = xyes; then
  2021             AC_DEFINE(SDL_LOADSO_LDG)
  2022             SOURCES="$SOURCES $srcdir/src/loadso/mint/*.c"
  2023             SDL_LIBS="$SDL_LIBS -lldg -lgem"
  2024             have_loadso=yes
  2025         fi
  2026     fi
  2027 }
  2028 
  2029 dnl Check for the usbhid(3) library on *BSD
  2030 CheckUSBHID()
  2031 {
  2032     if test x$enable_joystick = xyes; then
  2033         AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
  2034         if test x$have_libusbhid = xyes; then
  2035             AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
  2036             AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
  2037             USB_LIBS="$USB_LIBS -lusbhid"
  2038         else
  2039             AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
  2040             AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
  2041             AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
  2042         fi
  2043             
  2044         save_CFLAGS="$CFLAGS"
  2045         CFLAGS="$CFLAGS $USB_CFLAGS"
  2046 
  2047         AC_MSG_CHECKING(for usbhid)
  2048         have_usbhid=no
  2049         AC_TRY_COMPILE([
  2050           #include <sys/types.h>
  2051           #if defined(HAVE_USB_H)
  2052           #include <usb.h>
  2053           #endif
  2054           #ifdef __DragonFly__
  2055           # include <bus/usb/usb.h>
  2056           # include <bus/usb/usbhid.h>
  2057           #else
  2058           # include <dev/usb/usb.h>
  2059           # include <dev/usb/usbhid.h>
  2060           #endif
  2061           #if defined(HAVE_USBHID_H)
  2062           #include <usbhid.h>
  2063           #elif defined(HAVE_LIBUSB_H)
  2064           #include <libusb.h>
  2065           #elif defined(HAVE_LIBUSBHID_H)
  2066           #include <libusbhid.h>
  2067           #endif
  2068         ],[
  2069           struct report_desc *repdesc;
  2070           struct usb_ctl_report *repbuf;
  2071           hid_kind_t hidkind;
  2072         ],[
  2073         have_usbhid=yes
  2074         ])
  2075         AC_MSG_RESULT($have_usbhid)
  2076 
  2077         if test x$have_usbhid = xyes; then
  2078             AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
  2079             have_usbhid_ucr_data=no
  2080             AC_TRY_COMPILE([
  2081               #include <sys/types.h>
  2082               #if defined(HAVE_USB_H)
  2083               #include <usb.h>
  2084               #endif
  2085               #ifdef __DragonFly__
  2086               # include <bus/usb/usb.h>
  2087               # include <bus/usb/usbhid.h>
  2088               #else
  2089               # include <dev/usb/usb.h>
  2090               # include <dev/usb/usbhid.h>
  2091               #endif
  2092               #if defined(HAVE_USBHID_H)
  2093               #include <usbhid.h>
  2094               #elif defined(HAVE_LIBUSB_H)
  2095               #include <libusb.h>
  2096               #elif defined(HAVE_LIBUSBHID_H)
  2097               #include <libusbhid.h>
  2098               #endif
  2099             ],[
  2100               struct usb_ctl_report buf;
  2101               if (buf.ucr_data) { }
  2102             ],[
  2103             have_usbhid_ucr_data=yes
  2104             ])
  2105             if test x$have_usbhid_ucr_data = xyes; then
  2106                 USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
  2107             fi
  2108             AC_MSG_RESULT($have_usbhid_ucr_data)
  2109             
  2110             AC_MSG_CHECKING(for new usbhid API)
  2111             have_usbhid_new=no
  2112             AC_TRY_COMPILE([
  2113               #include <sys/types.h>
  2114               #if defined(HAVE_USB_H)
  2115               #include <usb.h>
  2116               #endif
  2117 	      #ifdef __DragonFly__
  2118               #include <bus/usb/usb.h>
  2119               #include <bus/usb/usbhid.h>
  2120 	      #else
  2121               #include <dev/usb/usb.h>
  2122               #include <dev/usb/usbhid.h>
  2123 	      #endif
  2124               #if defined(HAVE_USBHID_H)
  2125               #include <usbhid.h>
  2126               #elif defined(HAVE_LIBUSB_H)
  2127               #include <libusb.h>
  2128               #elif defined(HAVE_LIBUSBHID_H)
  2129               #include <libusbhid.h>
  2130               #endif
  2131             ],[
  2132               report_desc_t d;
  2133               hid_start_parse(d, 1, 1);
  2134             ],[
  2135             have_usbhid_new=yes
  2136             ])
  2137             if test x$have_usbhid_new = xyes; then
  2138                 USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
  2139             fi
  2140             AC_MSG_RESULT($have_usbhid_new)
  2141 
  2142             AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
  2143             have_machine_joystick=no
  2144             AC_TRY_COMPILE([
  2145               #include <machine/joystick.h>
  2146             ],[
  2147               struct joystick t;
  2148             ],[
  2149             have_machine_joystick=yes
  2150             ])
  2151             if test x$have_machine_joystick = xyes; then
  2152                 AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H)
  2153             fi
  2154             AC_MSG_RESULT($have_machine_joystick)
  2155 
  2156             AC_DEFINE(SDL_JOYSTICK_USBHID)
  2157             SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
  2158             EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
  2159             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
  2160             have_joystick=yes
  2161         fi
  2162         CFLAGS="$save_CFLAGS"
  2163     fi
  2164 }
  2165 
  2166 dnl Check for clock_gettime()
  2167 CheckClockGettime()
  2168 {
  2169     AC_ARG_ENABLE(clock_gettime,
  2170 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=no]]]),
  2171                   , enable_clock_gettime=no)
  2172     if test x$enable_clock_gettime = xyes; then
  2173         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
  2174         if test x$have_clock_gettime = xyes; then
  2175             AC_DEFINE(HAVE_CLOCK_GETTIME)
  2176             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
  2177         fi
  2178     fi
  2179 }
  2180 
  2181 dnl Check for a valid linux/version.h
  2182 CheckLinuxVersion()
  2183 {
  2184     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
  2185     if test x$have_linux_version_h = xyes; then
  2186         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
  2187     fi
  2188 }
  2189 
  2190 dnl Check if we want to use RPATH
  2191 CheckRPATH()
  2192 {
  2193     AC_ARG_ENABLE(rpath,
  2194 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
  2195                   , enable_rpath=yes)
  2196 }
  2197 
  2198 dnl Set up the configuration based on the host platform!
  2199 case "$host" in
  2200     arm-*-elf*) # FIXME: Can we get more specific for iPodLinux?
  2201         ARCH=linux
  2202         CheckDummyVideo
  2203         CheckIPod
  2204         # Set up files for the timer library
  2205         if test x$enable_timers = xyes; then
  2206             AC_DEFINE(SDL_TIMER_UNIX)
  2207             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2208             have_timers=yes
  2209         fi
  2210         ;;
  2211     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-irix*|*-*-aix*|*-*-osf*)
  2212         case "$host" in
  2213             *-*-linux*)         ARCH=linux ;;
  2214             *-*-uclinux*)       ARCH=linux ;;
  2215             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
  2216             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
  2217             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
  2218             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
  2219             *-*-bsdi*)          ARCH=bsdi ;;
  2220             *-*-freebsd*)       ARCH=freebsd ;;
  2221             *-*-dragonfly*)     ARCH=freebsd ;;
  2222             *-*-netbsd*)        ARCH=netbsd ;;
  2223             *-*-openbsd*)       ARCH=openbsd ;;
  2224             *-*-sysv5*)         ARCH=sysv5 ;;
  2225             *-*-solaris*)       ARCH=solaris ;;
  2226             *-*-hpux*)          ARCH=hpux ;;
  2227             *-*-irix*)          ARCH=irix ;;
  2228             *-*-aix*)           ARCH=aix ;;
  2229             *-*-osf*)           ARCH=osf ;;
  2230         esac
  2231         CheckVisibilityHidden
  2232         CheckDummyVideo
  2233         CheckDiskAudio
  2234         CheckDummyAudio
  2235         CheckDLOPEN
  2236         CheckNASM
  2237         CheckAltivec
  2238         CheckOSS
  2239         CheckDMEDIA
  2240         CheckMME
  2241         CheckALSA
  2242         CheckARTSC
  2243         CheckESD
  2244         CheckPulseAudio
  2245         CheckNAS
  2246         CheckX11
  2247         CheckNANOX
  2248         CheckFBCON
  2249         CheckDirectFB
  2250         CheckPS2GS
  2251         CheckGGI
  2252         CheckSVGA
  2253         CheckVGL
  2254         CheckWscons
  2255         CheckAAlib
  2256         CheckQtopia
  2257         CheckPicoGUI
  2258         CheckOpenGLX11
  2259         CheckInputEvents
  2260         CheckTslib
  2261         CheckUSBHID
  2262         CheckPTHREAD
  2263         CheckClockGettime
  2264         CheckLinuxVersion
  2265         CheckRPATH
  2266         # Set up files for the audio library
  2267         if test x$enable_audio = xyes; then
  2268           case $ARCH in
  2269             sysv5|solaris|hpux)
  2270                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO)
  2271                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  2272                 have_audio=yes
  2273             ;;
  2274             netbsd|openbsd)
  2275                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD)
  2276                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
  2277                 have_audio=yes
  2278             ;;
  2279             aix)
  2280                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUD)
  2281                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
  2282                 have_audio=yes
  2283             ;;
  2284           esac
  2285         fi
  2286         # Set up files for the joystick library
  2287         if test x$enable_joystick = xyes; then
  2288           case $ARCH in
  2289             linux)
  2290                 AC_DEFINE(SDL_JOYSTICK_LINUX)
  2291                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
  2292                 have_joystick=yes
  2293             ;;
  2294           esac
  2295         fi
  2296         # Set up files for the cdrom library
  2297         if test x$enable_cdrom = xyes; then
  2298           case $ARCH in
  2299             linux|solaris)
  2300                 AC_DEFINE(SDL_CDROM_LINUX)
  2301                 SOURCES="$SOURCES $srcdir/src/cdrom/linux/*.c"
  2302                 have_cdrom=yes
  2303             ;;
  2304             *freebsd*)
  2305                 AC_DEFINE(SDL_CDROM_FREEBSD)
  2306                 SOURCES="$SOURCES $srcdir/src/cdrom/freebsd/*.c"
  2307                 have_cdrom=yes
  2308             ;;
  2309             *openbsd*|*netbsd*)
  2310                 AC_DEFINE(SDL_CDROM_OPENBSD)
  2311                 SOURCES="$SOURCES $srcdir/src/cdrom/openbsd/*.c"
  2312                 have_cdrom=yes
  2313             ;;
  2314             bsdi)
  2315                 AC_DEFINE(SDL_CDROM_BSDI)
  2316                 SOURCES="$SOURCES $srcdir/src/cdrom/bsdi/*.c"
  2317                 have_cdrom=yes
  2318             ;;
  2319             aix)
  2320                 AC_DEFINE(SDL_CDROM_AIX)
  2321                 SOURCES="$SOURCES $srcdir/src/cdrom/aix/*.c"
  2322                 have_cdrom=yes
  2323             ;;
  2324             osf)
  2325                 AC_DEFINE(SDL_CDROM_OSF)
  2326                 SOURCES="$SOURCES $srcdir/src/cdrom/osf/*.c"
  2327                 have_cdrom=yes
  2328             ;;
  2329           esac
  2330         fi
  2331         # Set up files for the thread library
  2332         if test x$enable_threads = xyes -a x$use_pthreads != xyes -a x$use_pth != xyes -a x$ARCH = xirix; then
  2333             AC_DEFINE(SDL_THREAD_SPROC)
  2334             SOURCES="$SOURCES $srcdir/src/thread/irix/*.c"
  2335             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_sysmutex.c"
  2336             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2337             have_threads=yes
  2338         fi
  2339         # Set up files for the timer library
  2340         if test x$enable_timers = xyes; then
  2341             AC_DEFINE(SDL_TIMER_UNIX)
  2342             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2343             have_timers=yes
  2344         fi
  2345         ;;
  2346     *-*-qnx*)
  2347         ARCH=qnx
  2348         CheckDummyVideo
  2349         CheckDiskAudio
  2350         CheckDummyAudio
  2351         # CheckNASM
  2352         CheckDLOPEN
  2353         CheckNAS
  2354         CheckPHOTON
  2355         CheckX11
  2356         CheckOpenGLX11
  2357         CheckPTHREAD
  2358         # Set up files for the audio library
  2359         if test x$enable_audio = xyes; then
  2360             AC_DEFINE(SDL_AUDIO_DRIVER_QNXNTO)
  2361             SOURCES="$SOURCES $srcdir/src/audio/nto/*.c"
  2362             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lasound"
  2363             have_audio=yes
  2364         fi
  2365         # Set up files for the cdrom library
  2366         if test x$enable_cdrom = xyes; then
  2367             AC_DEFINE(SDL_CDROM_QNX)
  2368             SOURCES="$SOURCES $srcdir/src/cdrom/qnx/*.c"
  2369             have_cdrom=yes
  2370         fi
  2371         # Set up files for the timer library
  2372         if test x$enable_timers = xyes; then
  2373             AC_DEFINE(SDL_TIMER_UNIX)
  2374             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2375             have_timers=yes
  2376         fi
  2377         ;;
  2378     *-*-cygwin* | *-*-mingw32*)
  2379         ARCH=win32
  2380         if test "$build" != "$host"; then # cross-compiling
  2381             # Default cross-compile location
  2382             ac_default_prefix=/usr/local/cross-tools/i386-mingw32msvc
  2383         else
  2384             # Look for the location of the tools and install there
  2385             if test "$BUILD_PREFIX" != ""; then
  2386                 ac_default_prefix=$BUILD_PREFIX
  2387             fi
  2388         fi
  2389         CheckDummyVideo
  2390         CheckDiskAudio
  2391         CheckDummyAudio
  2392         CheckWIN32
  2393         CheckWIN32GL
  2394         CheckDIRECTX
  2395         CheckNASM
  2396         # Set up files for the audio library
  2397         if test x$enable_audio = xyes; then
  2398             AC_DEFINE(SDL_AUDIO_DRIVER_WAVEOUT)
  2399             SOURCES="$SOURCES $srcdir/src/audio/windib/*.c"
  2400             if test x$have_directx = xyes; then
  2401                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND)
  2402                 SOURCES="$SOURCES $srcdir/src/audio/windx5/*.c"
  2403             fi
  2404             have_audio=yes
  2405         fi
  2406         # Set up files for the joystick library
  2407         if test x$enable_joystick = xyes; then
  2408             AC_DEFINE(SDL_JOYSTICK_WINMM)
  2409             SOURCES="$SOURCES $srcdir/src/joystick/win32/*.c"
  2410             have_joystick=yes
  2411         fi
  2412         # Set up files for the cdrom library
  2413         if test x$enable_cdrom = xyes; then
  2414             AC_DEFINE(SDL_CDROM_WIN32)
  2415             SOURCES="$SOURCES $srcdir/src/cdrom/win32/*.c"
  2416             have_cdrom=yes
  2417         fi
  2418         # Set up files for the thread library
  2419         if test x$enable_threads = xyes; then
  2420             AC_DEFINE(SDL_THREAD_WIN32)
  2421             SOURCES="$SOURCES $srcdir/src/thread/win32/SDL_sysmutex.c"
  2422             SOURCES="$SOURCES $srcdir/src/thread/win32/SDL_syssem.c"
  2423             SOURCES="$SOURCES $srcdir/src/thread/win32/SDL_systhread.c"
  2424             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2425             have_threads=yes
  2426         fi
  2427         # Set up files for the timer library
  2428         if test x$enable_timers = xyes; then
  2429             AC_DEFINE(SDL_TIMER_WIN32)
  2430             SOURCES="$SOURCES $srcdir/src/timer/win32/*.c"
  2431             have_timers=yes
  2432         fi
  2433         # Set up files for the shared object loading library
  2434         if test x$enable_loadso = xyes; then
  2435             AC_DEFINE(SDL_LOADSO_WIN32)
  2436             SOURCES="$SOURCES $srcdir/src/loadso/win32/*.c"
  2437             have_loadso=yes
  2438         fi
  2439         # Set up the system libraries we need
  2440         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm"
  2441         if test x$have_directx = xyes; then
  2442             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldxguid"
  2443         fi
  2444         # The Win32 platform requires special setup
  2445         SDLMAIN_SOURCES="$srcdir/src/main/win32/*.c"
  2446         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
  2447         SDL_LIBS="-lmingw32 -lSDLmain $SDL_LIBS -mwindows"
  2448         ;;
  2449     *-*-beos*)
  2450         ARCH=beos
  2451         ac_default_prefix=/boot/develop/tools/gnupro
  2452         CheckDummyVideo
  2453         CheckDiskAudio
  2454         CheckDummyAudio
  2455         CheckNASM
  2456         CheckBWINDOW
  2457         CheckBeGL
  2458         # Set up files for the audio library
  2459         if test x$enable_audio = xyes; then
  2460             AC_DEFINE(SDL_AUDIO_DRIVER_BAUDIO)
  2461             SOURCES="$SOURCES $srcdir/src/audio/baudio/*.cc"
  2462             have_audio=yes
  2463         fi
  2464         # Set up files for the joystick library
  2465         if test x$enable_joystick = xyes; then
  2466             AC_DEFINE(SDL_JOYSTICK_BEOS)
  2467             SOURCES="$SOURCES $srcdir/src/joystick/beos/*.cc"
  2468             have_joystick=yes
  2469         fi
  2470         # Set up files for the cdrom library
  2471         if test x$enable_cdrom = xyes; then
  2472             AC_DEFINE(SDL_CDROM_BEOS)
  2473             SOURCES="$SOURCES $srcdir/src/cdrom/beos/*.cc"
  2474             have_cdrom=yes
  2475         fi
  2476         # Set up files for the thread library
  2477         if test x$enable_threads = xyes; then
  2478             AC_DEFINE(SDL_THREAD_BEOS)
  2479             SOURCES="$SOURCES $srcdir/src/thread/beos/*.c"
  2480             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_sysmutex.c"
  2481             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2482             have_threads=yes
  2483         fi
  2484         # Set up files for the timer library
  2485         if test x$enable_timers = xyes; then
  2486             AC_DEFINE(SDL_TIMER_BEOS)
  2487             SOURCES="$SOURCES $srcdir/src/timer/beos/*.c"
  2488             have_timers=yes
  2489         fi
  2490         # Set up files for the shared object loading library
  2491         if test x$enable_loadso = xyes; then
  2492             AC_DEFINE(SDL_LOADSO_BEOS)
  2493             SOURCES="$SOURCES $srcdir/src/loadso/beos/*.c"
  2494             have_loadso=yes
  2495         fi
  2496         # The BeOS platform requires special setup.
  2497         SOURCES="$srcdir/src/main/beos/*.cc $SOURCES"
  2498         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
  2499         ;;
  2500     *-*-darwin* )
  2501         # This could be either full "Mac OS X", or plain "Darwin" which is
  2502         # just the OS X kernel sans upper layers like Carbon and Cocoa.
  2503         # Next line is broken, and a few files below require Mac OS X (full)
  2504         ARCH=macosx
  2505 
  2506         # Mac OS X builds with both the Carbon and OSX APIs at the moment
  2507         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
  2508         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
  2509 
  2510         # HACK: Reset EXTRA_LDFLAGS; the only thing it contains at this point
  2511         # is -lm which is not needed under Mac OS X. But for some reasons it
  2512         # also tends to contain spurious -L switches, which we don't want to
  2513         # use here or in sdl-config. Hence we reset it.
  2514         EXTRA_LDFLAGS=""
  2515 
  2516         CheckVisibilityHidden
  2517         CheckDummyVideo
  2518         CheckDiskAudio
  2519         CheckDummyAudio
  2520         CheckDLOPEN
  2521         CheckNASM
  2522 
  2523         # Set up files for the shared object loading library
  2524         # (this needs to be done before the dynamic X11 check)
  2525         if test x$enable_loadso = xyes -a x$have_dlopen != xyes; then
  2526             AC_DEFINE(SDL_LOADSO_DLCOMPAT)
  2527             SOURCES="$SOURCES $srcdir/src/loadso/macosx/*.c"
  2528             have_loadso=yes
  2529         fi
  2530 
  2531         CheckCOCOA
  2532         CheckCARBON
  2533         CheckX11
  2534         CheckMacGL
  2535         CheckOpenGLX11
  2536         CheckPTHREAD
  2537         CheckAltivec
  2538 
  2539         # Need this or things might misbuild on a G3.
  2540         EXTRA_CFLAGS="$EXTRA_CFLAGS -force_cpusubtype_ALL"
  2541 
  2542         # Set up files for the audio library
  2543         if test x$enable_audio = xyes; then
  2544             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO)
  2545             SOURCES="$SOURCES $srcdir/src/audio/macosx/*.c"
  2546             AC_DEFINE(SDL_AUDIO_DRIVER_SNDMGR)
  2547             SOURCES="$SOURCES $srcdir/src/audio/macrom/*.c"
  2548             have_audio=yes
  2549         fi
  2550         # Set up files for the joystick library
  2551         if test x$enable_joystick = xyes; then
  2552             AC_DEFINE(SDL_JOYSTICK_IOKIT)
  2553             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
  2554             have_joystick=yes
  2555             need_iokit_framework=yes
  2556         fi
  2557         # Set up files for the cdrom library
  2558         if test x$enable_cdrom = xyes; then
  2559             AC_DEFINE(SDL_CDROM_MACOSX)
  2560             SOURCES="$SOURCES $srcdir/src/cdrom/macosx/*.c"
  2561             have_cdrom=yes
  2562         fi
  2563         # Set up files for the timer library
  2564         if test x$enable_timers = xyes; then
  2565             AC_DEFINE(SDL_TIMER_UNIX)
  2566             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2567             have_timers=yes
  2568         fi
  2569         # The Mac OS X platform requires special setup.
  2570         SDLMAIN_SOURCES="$srcdir/src/main/macosx/*.m"
  2571         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  2572         SDL_LIBS="-lSDLmain $SDL_LIBS"
  2573         if test x$enable_video_cocoa = xyes; then
  2574             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
  2575             need_iokit_framework=yes
  2576         fi
  2577         if test x$enable_video_carbon = xyes -o x$enable_video_cocoa = xyes; then
  2578             # The Cocoa backend still needs Carbon, and the YUV code QuickTime
  2579             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuickTime -Wl,-framework,ApplicationServices"
  2580             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
  2581         fi
  2582         # If either the audio or CD driver is used, add the AudioUnit framework
  2583         if test x$enable_audio = xyes -o x$enable_cdrom = xyes; then
  2584             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit"
  2585         fi
  2586         # Some subsystems reference IOKit...
  2587         if test x$need_iokit_framework = xyes; then
  2588             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
  2589         fi
  2590         ;;
  2591     *-*-mint*)
  2592         ARCH=mint
  2593         CheckDummyVideo
  2594         CheckDiskAudio
  2595         CheckDummyAudio
  2596         CheckAtariBiosEvent
  2597         CheckAtariXbiosVideo
  2598         CheckAtariGemVideo
  2599         CheckAtariAudio
  2600         CheckAtariLdg
  2601         CheckAtariOSMesa
  2602         CheckPTH
  2603         # Set up files for the audio library
  2604         if test x$enable_threads = xyes -a x$enable_pth = xyes; then
  2605             if test x$enable_audio = xyes; then
  2606                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO)
  2607                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  2608                 have_audio=yes
  2609             fi
  2610         fi
  2611         # Set up files for the joystick library
  2612         if test x$enable_joystick = xyes; then
  2613             AC_DEFINE(SDL_JOYSTICK_MINT)
  2614             SOURCES="$SOURCES $srcdir/src/joystick/mint/*.c"
  2615             have_joystick=yes
  2616         fi
  2617         # Set up files for the cdrom library
  2618         if test x$enable_cdrom = xyes; then
  2619             AC_DEFINE(SDL_CDROM_MINT)
  2620             SOURCES="$SOURCES $srcdir/src/cdrom/mint/*.c"
  2621             have_cdrom=yes
  2622         fi
  2623         # Set up files for the timer library
  2624         if test x$enable_timers = xyes; then
  2625             if test x$enable_threads = xyes -a x$enable_pth = xyes; then
  2626                 AC_DEFINE(SDL_TIMER_UNIX)
  2627                 SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2628             else
  2629                 AC_DEFINE(SDL_TIMER_MINT)
  2630                 SOURCES="$SOURCES $srcdir/src/timer/mint/*.c"
  2631                 SOURCES="$SOURCES $srcdir/src/timer/mint/*.S"
  2632             fi
  2633             have_timers=yes
  2634         fi
  2635         ;;
  2636     *-riscos)
  2637         ARCH=riscos
  2638         CheckOSS
  2639         CheckPTHREAD
  2640         # Set up files for the video library
  2641         if test x$enable_video = xyes; then
  2642             AC_DEFINE(SDL_VIDEO_DRIVER_RISCOS)
  2643             SOURCES="$SOURCES $srcdir/src/video/riscos/*.c"
  2644             SOURCES="$SOURCES $srcdir/src/video/riscos/*.S"
  2645             have_video=yes
  2646         fi
  2647         # Set up files for the joystick library
  2648         if test x$enable_joystick = xyes; then
  2649             AC_DEFINE(SDL_JOYSTICK_RISCOS)
  2650             SOURCES="$SOURCES $srcdir/src/joystick/riscos/*.c"
  2651             have_joystick=yes
  2652         fi
  2653         # Set up files for the timer library
  2654         if test x$enable_timers = xyes; then
  2655             AC_DEFINE(SDL_TIMER_RISCOS)
  2656             SOURCES="$SOURCES $srcdir/src/timer/riscos/*.c"
  2657             have_timers=yes
  2658         fi
  2659         # The RISC OS platform requires special setup.
  2660         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ljpeg -ltiff -lpng -lz"
  2661         ;;
  2662     *)
  2663         AC_MSG_ERROR([
  2664 *** Unsupported host:  Please add to configure.in
  2665         ])
  2666         ;;
  2667 esac
  2668 
  2669 # Verify that we have all the platform specific files we need
  2670 
  2671 if test x$enable_joystick = xyes; then
  2672   if test x$have_joystick != xyes; then
  2673     # Wants joystick subsystem, but doesn't have a platform-specific backend...
  2674     AC_DEFINE(SDL_JOYSTICK_DUMMY)
  2675     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
  2676   fi
  2677 fi
  2678 if test x$have_cdrom != xyes; then
  2679     if test x$enable_cdrom = xyes; then
  2680         AC_DEFINE(SDL_CDROM_DISABLED)
  2681     fi
  2682     SOURCES="$SOURCES $srcdir/src/cdrom/dummy/*.c"
  2683 fi
  2684 if test x$have_threads != xyes; then
  2685     if test x$enable_threads = xyes; then
  2686         AC_DEFINE(SDL_THREADS_DISABLED)
  2687     fi
  2688     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
  2689 fi
  2690 if test x$have_timers != xyes; then
  2691     if test x$enable_timers = xyes; then
  2692         AC_DEFINE(SDL_TIMERS_DISABLED)
  2693     fi
  2694     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
  2695 fi
  2696 if test x$have_loadso != xyes; then
  2697     if test x$enable_loadso = xyes; then
  2698         AC_DEFINE(SDL_LOADSO_DISABLED)
  2699     fi
  2700     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
  2701 fi
  2702 if test x$SDLMAIN_SOURCES = x; then
  2703     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
  2704 fi
  2705 
  2706 OBJECTS=`echo $SOURCES | sed 's,[[^ ]]*/\([[^ ]]*\)\.asm,$(objects)/\1.lo,g'`
  2707 OBJECTS=`echo $OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.cc,$(objects)/\1.lo,g'`
  2708 OBJECTS=`echo $OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.m,$(objects)/\1.lo,g'`
  2709 OBJECTS=`echo $OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.lo,g'`
  2710 OBJECTS=`echo $OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.S,$(objects)/\1.lo,g'`
  2711 
  2712 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES | sed 's,[[^ ]]*/\([[^ ]]*\)\.cc,$(objects)/\1.o,g'`
  2713 SDLMAIN_OBJECTS=`echo $SDLMAIN_OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.m,$(objects)/\1.o,g'`
  2714 SDLMAIN_OBJECTS=`echo $SDLMAIN_OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  2715 
  2716 # Set runtime shared library paths as needed
  2717 
  2718 if test "x$enable_rpath" = "xyes"; then
  2719   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = irix -o $ARCH = linux -o $ARCH = netbsd; then
  2720     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
  2721   fi
  2722   if test $ARCH = solaris; then
  2723     SDL_RLD_FLAGS="-R\${libdir}"
  2724   fi
  2725 else
  2726   SDL_RLD_FLAGS=""
  2727 fi
  2728 
  2729 case "$ARCH" in
  2730   macosx)
  2731     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  2732       SDL_LIBS="$SDL_LIBS -Wl,-framework,Cocoa"
  2733     fi
  2734     if test x$enable_video = xyes -a x$enable_video_carbon = xyes; then
  2735       SDL_LIBS="$SDL_LIBS -Wl,-framework,Carbon"
  2736     fi
  2737     # Evil hack to allow static linking on Mac OS X
  2738     SDL_STATIC_LIBS="\${libdir}/libSDLmain.a \${libdir}/libSDL.a $EXTRA_LDFLAGS"
  2739     ;;
  2740   *)
  2741     SDL_STATIC_LIBS="$SDL_LIBS"
  2742     ;;
  2743 esac
  2744 
  2745 dnl Expand the cflags and libraries needed by apps using SDL
  2746 AC_SUBST(SDL_CFLAGS)
  2747 AC_SUBST(SDL_LIBS)
  2748 AC_SUBST(SDL_STATIC_LIBS)
  2749 AC_SUBST(SDL_RLD_FLAGS)
  2750 if test x$enable_shared = xyes; then
  2751     ENABLE_SHARED_TRUE=
  2752     ENABLE_SHARED_FALSE="#"
  2753 else
  2754     ENABLE_SHARED_TRUE="#"
  2755     ENABLE_SHARED_FALSE=
  2756 fi
  2757 if test x$enable_static = xyes; then
  2758     ENABLE_STATIC_TRUE=
  2759     ENABLE_STATIC_FALSE="#"
  2760 else
  2761     ENABLE_STATIC_TRUE="#"
  2762     ENABLE_STATIC_FALSE=
  2763 fi
  2764 AC_SUBST(ENABLE_SHARED_TRUE)
  2765 AC_SUBST(ENABLE_SHARED_FALSE)
  2766 AC_SUBST(ENABLE_STATIC_TRUE)
  2767 AC_SUBST(ENABLE_STATIC_FALSE)
  2768 
  2769 dnl Expand the sources and objects needed to build the library
  2770 AC_SUBST(ac_aux_dir)
  2771 AC_SUBST(INCLUDE)
  2772 AC_SUBST(SOURCES)
  2773 AC_SUBST(OBJECTS)
  2774 AC_SUBST(SDLMAIN_SOURCES)
  2775 AC_SUBST(SDLMAIN_OBJECTS)
  2776 AC_SUBST(BUILD_CFLAGS)
  2777 AC_SUBST(EXTRA_CFLAGS)
  2778 AC_SUBST(BUILD_LDFLAGS)
  2779 AC_SUBST(EXTRA_LDFLAGS)
  2780 
  2781 AC_OUTPUT([
  2782     Makefile sdl-config SDL.spec SDL.qpg sdl.pc
  2783 ], [
  2784     : >build-deps
  2785     if test x"$MAKE" = x; then MAKE=make; fi; $MAKE depend
  2786 ])