configure.in
author Ryan C. Gordon <icculus@icculus.org>
Fri, 15 Jun 2007 07:19:05 +0000
branchSDL-1.2
changeset 3965 19d708301fab
parent 3950 9d9e15ab1697
child 3967 d22892eaa1cf
permissions -rw-r--r--
Make sure __inline__ isn't defined before #defining it, since some compilers
(like Sun Studio) have this as a predefined macro.

Fixes Bugzilla #434.
     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$enable_nas = xyes; then
   579         AC_MSG_CHECKING(for NAS audio support)
   580         have_nas=no
   581         if test -r /usr/X11R6/include/audio/audiolib.h; then
   582             have_nas=yes
   583             NAS_CFLAGS="-I/usr/X11R6/include/"
   584             NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"
   585 
   586         dnl On IRIX, the NAS includes are in a different directory,
   587         dnl and libnas must be explicitly linked in
   588 
   589         elif test -r /usr/freeware/include/nas/audiolib.h; then
   590             have_nas=yes
   591             NAS_LIBS="-lnas -lXt"
   592         fi
   593         AC_MSG_RESULT($have_nas)
   594         if test x$have_nas = xyes; then
   595             AC_DEFINE(SDL_AUDIO_DRIVER_NAS)
   596             SOURCES="$SOURCES $srcdir/src/audio/nas/*.c"
   597             EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS"
   598             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS"
   599             have_audio=yes
   600         fi
   601     fi
   602 }
   603 
   604 dnl rcg07142001 See if the user wants the disk writer audio driver...
   605 CheckDiskAudio()
   606 {
   607     AC_ARG_ENABLE(diskaudio,
   608 AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
   609                   , enable_diskaudio=yes)
   610     if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then
   611         AC_DEFINE(SDL_AUDIO_DRIVER_DISK)
   612         SOURCES="$SOURCES $srcdir/src/audio/disk/*.c"
   613     fi
   614 }
   615 
   616 dnl rcg03142006 See if the user wants the dummy audio driver...
   617 CheckDummyAudio()
   618 {
   619     AC_ARG_ENABLE(dummyaudio,
   620 AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
   621                   , enable_dummyaudio=yes)
   622     if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then
   623         AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY)
   624         SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c"
   625     fi
   626 }
   627 
   628 dnl Set up the Atari Audio driver
   629 CheckAtariAudio()
   630 {
   631     AC_ARG_ENABLE(mintaudio,
   632 AC_HELP_STRING([--enable-mintaudio], [support Atari audio driver [[default=yes]]]),
   633                   , enable_mintaudio=yes)
   634     if test x$enable_audio = xyes -a x$enable_mintaudio = xyes; then
   635         mintaudio=no
   636         AC_CHECK_HEADER(mint/falcon.h, have_mint_falcon_hdr=yes)
   637         if test x$have_mint_falcon_hdr = xyes; then
   638             mintaudio=yes
   639             AC_DEFINE(SDL_AUDIO_DRIVER_MINT)
   640             SOURCES="$SOURCES $srcdir/src/audio/mint/*.c"
   641             SOURCES="$SOURCES $srcdir/src/audio/mint/*.S"
   642             have_audio=yes
   643         fi
   644     fi
   645 }
   646 
   647 dnl See if we can use x86 assembly blitters
   648 # NASM is available from: http://nasm.sourceforge.net
   649 CheckNASM()
   650 {
   651     dnl Make sure we are running on an x86 platform
   652     case $host in
   653         i?86*)
   654             ;;
   655         *)
   656         # Nope, bail early.
   657             return
   658             ;;
   659     esac
   660     dnl Check for NASM (for assembly blit routines)
   661     AC_ARG_ENABLE(nasm,
   662 AC_HELP_STRING([--enable-nasm], [use nasm assembly blitters on x86 [[default=yes]]]),
   663                   , enable_nasm=yes)
   664     if test x$enable_video = xyes -a x$enable_assembly = xyes -a x$enable_nasm = xyes; then
   665         CompileNASM()
   666         {
   667             # Usage: CompileNASM <filename>
   668             AC_MSG_CHECKING(to see if $NASM supports $1)
   669             if $NASM $NASMFLAGS $1 -o $1.o >&AS_MESSAGE_LOG_FD 2>&1; then
   670                 CompileNASM_ret="yes"
   671             else
   672                 CompileNASM_ret="no"
   673             fi
   674             rm -f $1 $1.o
   675             AC_MSG_RESULT($CompileNASM_ret)
   676             test "$CompileNASM_ret" = "yes"
   677         }
   678 
   679         if test x"$NASMFLAGS" = x; then
   680             case $ARCH in
   681               win32)
   682                   NASMFLAGS="-f win32"
   683                   ;;
   684               openbsd)
   685                   NASMFLAGS="-f aoutb"
   686                   ;;
   687               macosx)
   688                   NASMFLAGS="-f macho"
   689                   ;;
   690               *)
   691                   NASMFLAGS="-f elf"
   692                   ;;
   693             esac
   694         fi
   695 
   696         AC_PATH_PROG(NASM, yasm)
   697         echo "%ifidn __OUTPUT_FORMAT__,elf" > unquoted-sections
   698         echo "section .note.GNU-stack noalloc noexec nowrite progbits" >> unquoted-sections
   699         echo "%endif" >> unquoted-sections
   700         CompileNASM unquoted-sections || NASM=""
   701 
   702         if test "x$NASM" = x -o "x$NASM" = x'"$NASM"'; then
   703             $as_unset ac_cv_path_NASM
   704             AC_PATH_PROG(NASM, nasm)
   705         fi
   706         if test "x$NASM" != x -a "x$NASM" != x'"$NASM"'; then
   707             AC_DEFINE(SDL_HERMES_BLITTERS)
   708             SOURCES="$SOURCES $srcdir/src/hermes/*.asm"
   709             NASMFLAGS="$NASMFLAGS -i $srcdir/src/hermes/"
   710 
   711             dnl See if hidden visibility is supported
   712             echo "GLOBAL _bar:function hidden" > symbol-visibility
   713             echo "_bar:" >> symbol-visibility
   714             CompileNASM symbol-visibility && NASMFLAGS="$NASMFLAGS -DHIDDEN_VISIBILITY"
   715 
   716             AC_SUBST(NASM)
   717             AC_SUBST(NASMFLAGS)
   718 
   719             case "$host" in
   720                 # this line is needed for QNX, because it's not defined the __ELF__
   721                 *-*-qnx*)
   722                      EXTRA_CFLAGS="$EXTRA_CFLAGS -D__ELF__";;
   723                 *-*-solaris*)
   724                      EXTRA_CFLAGS="$EXTRA_CFLAGS -D__ELF__";;
   725             esac
   726         fi
   727     fi
   728 }
   729 
   730 dnl Check for altivec instruction support using gas syntax
   731 CheckAltivec()
   732 {
   733     AC_ARG_ENABLE(altivec,
   734 AC_HELP_STRING([--enable-altivec], [use altivec assembly blitters on PPC [[default=yes]]]),
   735                   , enable_altivec=yes)
   736     if test x$enable_video = xyes -a x$enable_assembly = xyes -a x$enable_altivec = xyes; then
   737         have_altivec_h_hdr=no
   738         AC_CHECK_HEADER(altivec.h, have_altivec_h_hdr=yes)
   739 
   740         save_CFLAGS="$CFLAGS"
   741         have_gcc_altivec=no
   742         AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
   743         altivec_CFLAGS="-maltivec"
   744         CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   745 
   746         if test x$have_altivec_h_hdr = xyes; then
   747           AC_TRY_COMPILE([
   748           #include <altivec.h>
   749           vector unsigned int vzero() {
   750               return vec_splat_u32(0);
   751           }
   752           ],[
   753           ],[
   754           have_gcc_altivec=yes
   755           ])
   756           AC_MSG_RESULT($have_gcc_altivec)
   757         else
   758           AC_TRY_COMPILE([
   759           vector unsigned int vzero() {
   760               return vec_splat_u32(0);
   761           }
   762           ],[
   763           ],[
   764           have_gcc_altivec=yes
   765           ])
   766           AC_MSG_RESULT($have_gcc_altivec)
   767         fi
   768 
   769         if test x$have_gcc_altivec = xno; then
   770             AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
   771             altivec_CFLAGS="-faltivec"
   772             CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   773             if test x$have_altivec_h_hdr = xyes; then
   774               AC_TRY_COMPILE([
   775               #include <altivec.h>
   776               vector unsigned int vzero() {
   777                   return vec_splat_u32(0);
   778               }
   779               ],[
   780               ],[
   781               have_gcc_altivec=yes
   782               ])
   783               AC_MSG_RESULT($have_gcc_altivec)
   784             else
   785               AC_TRY_COMPILE([
   786               vector unsigned int vzero() {
   787                   return vec_splat_u32(0);
   788               }
   789               ],[
   790               ],[
   791               have_gcc_altivec=yes
   792               ])
   793               AC_MSG_RESULT($have_gcc_altivec)
   794             fi
   795         fi
   796         CFLAGS="$save_CFLAGS"
   797 
   798         if test x$have_gcc_altivec = xyes; then
   799             AC_DEFINE(SDL_ALTIVEC_BLITTERS)
   800             if test x$have_altivec_h_hdr = xyes; then
   801               AC_DEFINE(HAVE_ALTIVEC_H)
   802             fi
   803             EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
   804         fi
   805     fi
   806 }
   807 
   808 dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).
   809 dnl  Details of this flag are here: http://gcc.gnu.org/wiki/Visibility
   810 CheckVisibilityHidden()
   811 {
   812     AC_MSG_CHECKING(for GCC -fvisibility=hidden option)
   813     have_gcc_fvisibility=no
   814 
   815     visibility_CFLAGS="-fvisibility=hidden"
   816     save_CFLAGS="$CFLAGS"
   817     CFLAGS="$save_CFLAGS $visibility_CFLAGS"
   818     AC_TRY_COMPILE([
   819     #if !defined(__GNUC__) || __GNUC__ < 4
   820     #error SDL only uses visibility attributes in GCC 4 or newer
   821     #endif
   822     ],[
   823     ],[
   824     have_gcc_fvisibility=yes
   825     ])
   826     AC_MSG_RESULT($have_gcc_fvisibility)
   827     CFLAGS="$save_CFLAGS"
   828 
   829     if test x$have_gcc_fvisibility = xyes; then
   830         EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"
   831     fi
   832 }
   833 
   834 
   835 dnl Do the iPod thing
   836 CheckIPod()
   837 {
   838     AC_ARG_ENABLE(ipod,
   839 AC_HELP_STRING([--enable-ipod], [configure SDL to work with iPodLinux [default=yes on arm-elf]]),
   840         , enable_ipod=yes)
   841 
   842     if test x$enable_ipod = xyes; then
   843         EXTRA_CFLAGS="$EXTRA_CFLAGS -DIPOD"
   844         AC_DEFINE(SDL_VIDEO_DRIVER_IPOD)
   845         SOURCES="$SOURCES $srcdir/src/video/ipod/*.c"
   846     fi
   847 }
   848 
   849 dnl Find the nanox include and library directories
   850 CheckNANOX()
   851 {
   852     AC_ARG_ENABLE(video-nanox,
   853         AC_HELP_STRING([--enable-video-nanox], [use nanox video driver [[default=no]]]),
   854         , enable_video_nanox=no)
   855 
   856     if test x$enable_video = xyes -a x$enable_video_nanox = xyes; then
   857         AC_ARG_ENABLE(nanox-debug,  
   858             AC_HELP_STRING([--enable-nanox-debug], [print debug messages [[default=no]]]),
   859             , enable_nanox_debug=no)
   860         if test x$enable_nanox_debug = xyes; then
   861             EXTRA_CFLAGS="$EXTRA_CFLAGS -DENABLE_NANOX_DEBUG"
   862         fi
   863 
   864         AC_ARG_ENABLE(nanox-share-memory,  
   865             AC_HELP_STRING([--enable-nanox-share-memory], [use share memory [[default=no]]]),
   866             , enable_nanox_share_memory=no)
   867         if test x$enable_nanox_share_memory = xyes; then
   868             EXTRA_CFLAGS="$EXTRA_CFLAGS -DNANOX_SHARE_MEMORY"
   869         fi
   870 
   871         AC_ARG_ENABLE(nanox_direct_fb, 
   872             AC_HELP_STRING([--enable-nanox-direct-fb], [use direct framebuffer access [[default=no]]]),
   873             , enable_nanox_direct_fb=no)
   874         if test x$enable_nanox_direct_fb = xyes; then
   875             EXTRA_CFLAGS="$EXTRA_CFLAGS -DENABLE_NANOX_DIRECT_FB"
   876         fi
   877 
   878         AC_DEFINE(SDL_VIDEO_DRIVER_NANOX)
   879         SOURCES="$SOURCES $srcdir/src/video/nanox/*.c"
   880         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lnano-X"
   881         have_video=yes
   882     fi
   883 }
   884 
   885 dnl Find the X11 include and library directories
   886 CheckX11()
   887 {
   888     AC_ARG_ENABLE(video-x11,
   889 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
   890                   , enable_video_x11=yes)
   891     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
   892         case "$host" in
   893             *-*-darwin*)
   894                 # This isn't necessary for X11, but fixes GLX detection
   895                 if test "x$x_includes" = xNONE && test "x$x_libraries" = xNONE; then
   896                     x_includes="/usr/X11R6/include"
   897                     x_libraries="/usr/X11R6/lib"
   898                 fi
   899                 ;;
   900         esac
   901         AC_PATH_X
   902         AC_PATH_XTRA
   903         if test x$have_x = xyes; then
   904             # Only allow dynamically loaded X11 if the X11 function pointers
   905             # will not end up in the global namespace, which causes problems
   906             # with other libraries calling X11 functions.
   907             x11_symbols_private=$have_gcc_fvisibility
   908 
   909             AC_ARG_ENABLE(x11-shared,
   910 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
   911                           , enable_x11_shared=maybe)
   912 
   913             case "$host" in
   914                 *-*-darwin*) # Latest Mac OS X actually ships with Xrandr/Xrender libs...
   915                     x11_symbols_private=yes
   916                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
   917                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
   918                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
   919                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
   920                     ;;
   921                 *-*-osf*)
   922                     x11_lib='libX11.so'
   923                     x11ext_lib='libXext.so'
   924                     ;;
   925                 *-*-irix*) # IRIX 6.5 requires that we use /usr/lib32
   926                     x11_lib='libX11.so'
   927                     x11ext_lib='libXext.so'
   928                     ;;
   929                 *)
   930                     x11_lib_spec=[`echo $X_LIBS | sed 's/.*-L\([^ ]*\).*/\1/'`]
   931                     for path in $x11_lib_path /usr/lib /usr/X11/lib /usr/X11R6/lib; do
   932                         if test "x$x11_lib" = "x"; then
   933                             x11_lib=[`ls -- $path/libX11.so.[0-9] 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
   934                             if test "x$x11_lib" = "x"; then
   935                                 x11_lib=[`ls -- $path/libX11.so.[0-9]* 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
   936                             fi
   937                         fi
   938                         if test "x$x11ext_lib" = "x"; then
   939                             x11ext_lib=[`ls -- $path/libXext.so.[0-9] 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
   940                             if test "x$x11ext_lib" = "x"; then
   941                                 x11ext_lib=[`ls -- $path/libXext.so.[0-9]* 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
   942                             fi
   943                         fi
   944                         if test "x$xrender_lib" = "x"; then
   945                             xrender_lib=[`ls -- $path/libXrender.so.[0-9] 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
   946                             if test "x$xrender_lib" = "x"; then
   947                                 xrender_lib=[`ls -- $path/libXrender.so.[0-9]* 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
   948                             fi
   949                         fi
   950                         if test "x$xrandr_lib" = "x"; then
   951                             xrandr_lib=[`ls -- $path/libXrandr.so.[0-9] 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
   952                             if test "x$xrandr_lib" = "x"; then
   953                                 xrandr_lib=[`ls -- $path/libXrandr.so.[0-9]* 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
   954                             fi
   955                         fi
   956                     done
   957                     ;;
   958             esac
   959 
   960             X_CFLAGS="$X_CFLAGS -DXTHREADS"
   961             if test x$ac_cv_func_shmat != xyes; then
   962                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
   963             fi
   964             CFLAGS="$CFLAGS $X_CFLAGS"
   965             LDFLAGS="$LDFLAGS $X_LIBS"
   966 
   967             AC_DEFINE(SDL_VIDEO_DRIVER_X11)
   968             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
   969             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
   970 
   971             if test x$enable_x11_shared = xmaybe; then
   972                 enable_x11_shared=$x11_symbols_private
   973             fi
   974             if test x$have_loadso != xyes && \
   975                test x$enable_x11_shared = xyes; then
   976                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
   977                 enable_x11_shared=no
   978             fi
   979             if test x$x11_symbols_private != xyes && \
   980                test x$enable_x11_shared = xyes; then
   981                 AC_MSG_WARN([You must have gcc4 (-fvisibility=hidden) for dynamic X11 loading])
   982                 enable_x11_shared=no
   983             fi
   984 
   985             if test x$have_loadso = xyes && \
   986                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
   987                 echo "-- dynamic libX11 -> $x11_lib"
   988                 echo "-- dynamic libX11ext -> $x11ext_lib"
   989                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib")
   990                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib")
   991             else
   992                 enable_x11_shared=no
   993                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
   994             fi
   995             have_video=yes
   996 
   997             AC_ARG_ENABLE(dga,
   998 AC_HELP_STRING([--enable-dga], [allow use of X11 DGA code [[default=yes]]]),
   999                           , enable_dga=yes)
  1000             if test x$enable_dga = xyes; then
  1001                 SOURCES="$SOURCES $srcdir/src/video/Xext/Xxf86dga/*.c"
  1002             fi
  1003             AC_ARG_ENABLE(video-dga,
  1004 AC_HELP_STRING([--enable-video-dga], [use DGA 2.0 video driver [[default=yes]]]),
  1005                   , enable_video_dga=yes)
  1006             if test x$enable_dga = xyes -a x$enable_video_dga = xyes; then
  1007                 AC_DEFINE(SDL_VIDEO_DRIVER_DGA)
  1008                 SOURCES="$SOURCES $srcdir/src/video/dga/*.c"
  1009             fi
  1010             AC_ARG_ENABLE(video-x11-dgamouse,
  1011 AC_HELP_STRING([--enable-video-x11-dgamouse], [use X11 DGA for mouse events [[default=yes]]]),
  1012                           , enable_video_x11_dgamouse=yes)
  1013             if test x$enable_dga = xyes -a x$enable_video_x11_dgamouse = xyes; then
  1014                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_DGAMOUSE)
  1015             fi
  1016             AC_ARG_ENABLE(video-x11-vm,
  1017 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
  1018                           , enable_video_x11_vm=yes)
  1019             if test x$enable_video_x11_vm = xyes; then
  1020                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_VIDMODE)
  1021                 SOURCES="$SOURCES $srcdir/src/video/Xext/Xxf86vm/*.c"
  1022             fi
  1023             AC_ARG_ENABLE(video-x11-xv,
  1024 AC_HELP_STRING([--enable-video-x11-xv], [use X11 XvImage extension for video [[default=yes]]]),
  1025                           , enable_video_x11_xv=yes)
  1026             if test x$enable_video_x11_xv = xyes; then
  1027                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XV)
  1028                 SOURCES="$SOURCES $srcdir/src/video/Xext/Xv/*.c"
  1029             fi
  1030             AC_ARG_ENABLE(video-x11-xinerama,
  1031 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
  1032                             , enable_video_x11_xinerama=yes)
  1033             if test x$enable_video_x11_xinerama = xyes; then
  1034                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA)
  1035                 SOURCES="$SOURCES $srcdir/src/video/Xext/Xinerama/*.c"
  1036             fi
  1037             AC_ARG_ENABLE(video-x11-xme,
  1038 AC_HELP_STRING([--enable-video-x11-xme], [enable Xi Graphics XME for fullscreen [[default=yes]]]),
  1039                             , enable_video_x11_xme=yes)
  1040             if test x$enable_video_x11_xme = xyes; then
  1041                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XME)
  1042                 SOURCES="$SOURCES $srcdir/src/video/Xext/XME/*.c"
  1043             fi
  1044             AC_ARG_ENABLE(video-x11-xrandr,
  1045 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
  1046                             , enable_video_x11_xrandr=yes)
  1047             if test x$enable_video_x11_xrandr = xyes; then
  1048                 definitely_enable_video_x11_xrandr=no
  1049                 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
  1050                                 have_xrandr_h_hdr=yes,
  1051                                 have_xrandr_h_hdr=no,
  1052                                 [#include <X11/Xlib.h>
  1053                                 ])
  1054                 if test x$have_xrandr_h_hdr = xyes; then
  1055                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
  1056                         echo "-- dynamic libXrender -> $xrender_lib"
  1057                         echo "-- dynamic libXrandr -> $xrandr_lib"
  1058                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRENDER, "$xrender_lib")
  1059                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib")
  1060                         definitely_enable_video_x11_xrandr=yes
  1061                     else
  1062                         AC_CHECK_LIB(Xrender, XRenderQueryExtension, have_xrender_lib=yes)
  1063                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
  1064                         if test x$have_xrender_lib = xyes && test x$have_xrandr_lib = xyes ; then
  1065                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr -lXrender"
  1066                             definitely_enable_video_x11_xrandr=yes
  1067                         fi
  1068                     fi
  1069                 fi
  1070             fi
  1071             if test x$definitely_enable_video_x11_xrandr = xyes; then
  1072                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR)
  1073             fi
  1074             AC_ARG_ENABLE(video-x11-dpms,
  1075 AC_HELP_STRING([--enable-video-x11-dpms], [enable X11 DPMS extension [[default=yes]]]),
  1076                             , enable_video_x11_dpms=yes)
  1077             if test x$enable_video_x11_dpms = xyes; then
  1078                 AC_CHECK_HEADER(X11/extensions/dpms.h,
  1079                                 have_dpms_h_hdr=yes,
  1080                                 have_dpms_h_hdr=no,
  1081                                 [#include <X11/Xlib.h>
  1082                                 ])
  1083                 if test x$have_dpms_h_hdr = xyes; then
  1084                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_DPMS)
  1085                 fi
  1086             fi
  1087         fi
  1088     fi
  1089 }
  1090 
  1091 dnl Check for QNX photon video driver
  1092 CheckPHOTON()
  1093 {
  1094     AC_ARG_ENABLE(video-photon,
  1095 AC_HELP_STRING([--enable-video-photon], [use QNX Photon video driver [[default=yes]]]),
  1096                   , enable_video_photon=yes)
  1097     if test x$enable_video = xyes -a x$enable_video_photon = xyes; then
  1098         AC_MSG_CHECKING(for QNX Photon support)
  1099         video_photon=no
  1100         AC_TRY_COMPILE([
  1101           #include <Ph.h>
  1102           #include <Pt.h>
  1103           #include <photon/Pg.h>
  1104           #include <photon/PdDirect.h>
  1105         ],[
  1106          PgDisplaySettings_t *visual;
  1107         ],[
  1108         video_photon=yes
  1109         ])
  1110         AC_MSG_RESULT($video_photon)
  1111         if test x$video_photon = xyes; then
  1112             AC_DEFINE(SDL_VIDEO_DRIVER_PHOTON)
  1113             SOURCES="$SOURCES $srcdir/src/video/photon/*.c"
  1114             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lph"
  1115             have_video=yes
  1116 
  1117             CheckOpenGLQNX
  1118         fi
  1119     fi
  1120 }
  1121 
  1122 dnl Set up the BWindow video driver if enabled
  1123 CheckBWINDOW()
  1124 {
  1125     if test x$enable_video = xyes; then
  1126         AC_DEFINE(SDL_VIDEO_DRIVER_BWINDOW)
  1127         SOURCES="$SOURCES $srcdir/src/video/bwindow/*.cc"
  1128         have_video=yes
  1129     fi
  1130 }
  1131 
  1132 dnl Set up the Carbon/QuickDraw video driver for Mac OS X (but not Darwin)
  1133 CheckCARBON()
  1134 {
  1135     AC_ARG_ENABLE(video-carbon,
  1136 AC_HELP_STRING([--enable-video-carbon], [use Carbon/QuickDraw video driver [[default=no]]]),
  1137                   , enable_video_carbon=no)
  1138     if test x$enable_video = xyes -a x$enable_video_carbon = xyes; then
  1139         AC_MSG_CHECKING(for Carbon framework)
  1140         have_carbon=no
  1141         AC_TRY_COMPILE([
  1142           #include <Carbon/Carbon.h>
  1143         ],[
  1144         ],[
  1145         have_carbon=yes
  1146         ])
  1147         AC_MSG_RESULT($have_carbon)
  1148         if test x$have_carbon = xyes; then
  1149             AC_DEFINE(SDL_VIDEO_DRIVER_TOOLBOX)
  1150             SOURCES="$SOURCES $srcdir/src/video/maccommon/*.c"
  1151             SOURCES="$SOURCES $srcdir/src/video/macrom/*.c"
  1152             have_video=yes
  1153         fi
  1154     fi
  1155 }
  1156 
  1157 dnl Set up the Cocoa/Quartz video driver for Mac OS X (but not Darwin)
  1158 CheckCOCOA()
  1159 {
  1160     AC_ARG_ENABLE(video-cocoa,
  1161 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa/Quartz video driver [[default=yes]]]),
  1162                   , enable_video_cocoa=yes)
  1163     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  1164         save_CFLAGS="$CFLAGS"
  1165         dnl work around that we don't have Objective-C support in autoconf
  1166         CFLAGS="$CFLAGS -x objective-c"
  1167         AC_MSG_CHECKING(for Cocoa framework)
  1168         have_cocoa=no
  1169         AC_TRY_COMPILE([
  1170           #import <Cocoa/Cocoa.h>
  1171         ],[
  1172         ],[
  1173         have_cocoa=yes
  1174         ])
  1175         AC_MSG_RESULT($have_cocoa)
  1176         CFLAGS="$save_CFLAGS"
  1177         if test x$have_cocoa = xyes; then
  1178             AC_DEFINE(SDL_VIDEO_DRIVER_QUARTZ)
  1179             SOURCES="$SOURCES $srcdir/src/video/quartz/*.m"
  1180             have_video=yes
  1181         fi
  1182     fi
  1183 }
  1184 
  1185 dnl Find the framebuffer console includes
  1186 CheckFBCON()
  1187 {
  1188     AC_ARG_ENABLE(video-fbcon,
  1189 AC_HELP_STRING([--enable-video-fbcon], [use framebuffer console video driver [[default=yes]]]),
  1190                   , enable_video_fbcon=yes)
  1191     if test x$enable_video = xyes -a x$enable_video_fbcon = xyes; then
  1192         AC_MSG_CHECKING(for framebuffer console support)
  1193         video_fbcon=no
  1194         AC_TRY_COMPILE([
  1195          #include <linux/fb.h>
  1196          #include <linux/kd.h>
  1197          #include <linux/keyboard.h>
  1198         ],[
  1199         ],[
  1200         video_fbcon=yes
  1201         ])
  1202         AC_MSG_RESULT($video_fbcon)
  1203         if test x$video_fbcon = xyes; then
  1204             AC_CHECK_FUNCS(getpagesize)
  1205             AC_DEFINE(SDL_VIDEO_DRIVER_FBCON)
  1206             SOURCES="$SOURCES $srcdir/src/video/fbcon/*.c"
  1207             have_video=yes
  1208         fi
  1209     fi
  1210 }
  1211 
  1212 dnl Find DirectFB
  1213 CheckDirectFB()
  1214 {
  1215     AC_ARG_ENABLE(video-directfb,
  1216 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=yes]]]),
  1217                   , enable_video_directfb=yes)
  1218     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
  1219         video_directfb=no
  1220 
  1221         DIRECTFB_REQUIRED_VERSION=0.9.15
  1222 
  1223         AC_PATH_PROG(DIRECTFBCONFIG, directfb-config, no)
  1224         if test x$DIRECTFBCONFIG = xno; then
  1225             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1226             AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
  1227             if test x$PKG_CONFIG != xno; then
  1228                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
  1229                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
  1230                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
  1231                     video_directfb=yes
  1232                 fi
  1233             fi
  1234             AC_MSG_RESULT($video_directfb)
  1235         else
  1236             AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
  1237             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
  1238             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1239             set -- `directfb-config --version | sed 's/\./ /g'`
  1240             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1241             if test $HAVE_VERSION -ge $NEED_VERSION; then
  1242                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
  1243                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
  1244                 video_directfb=yes
  1245             fi
  1246             AC_MSG_RESULT($video_directfb)
  1247         fi
  1248 
  1249         if test x$video_directfb = xyes; then
  1250             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB)
  1251             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
  1252             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
  1253             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
  1254             have_video=yes
  1255         fi
  1256     fi
  1257 }
  1258 
  1259 dnl See if we're running on PlayStation 2 hardware
  1260 CheckPS2GS()
  1261 {
  1262     AC_ARG_ENABLE(video-ps2gs,
  1263 AC_HELP_STRING([--enable-video-ps2gs], [use PlayStation 2 GS video driver [[default=yes]]]),
  1264                   , enable_video_ps2gs=yes)
  1265     if test x$enable_video = xyes -a x$enable_video_ps2gs = xyes; then
  1266         AC_MSG_CHECKING(for PlayStation 2 GS support)
  1267         video_ps2gs=no
  1268         AC_TRY_COMPILE([
  1269          #include <linux/ps2/dev.h>
  1270          #include <linux/ps2/gs.h>
  1271         ],[
  1272         ],[
  1273         video_ps2gs=yes
  1274         ])
  1275         AC_MSG_RESULT($video_ps2gs)
  1276         if test x$video_ps2gs = xyes; then
  1277             AC_DEFINE(SDL_VIDEO_DRIVER_PS2GS)
  1278             SOURCES="$SOURCES $srcdir/src/video/ps2gs/*.c"
  1279             have_video=yes
  1280         fi
  1281     fi
  1282 }
  1283 
  1284 dnl Find the GGI includes
  1285 CheckGGI()
  1286 {
  1287     AC_ARG_ENABLE(video-ggi,
  1288 AC_HELP_STRING([--enable-video-ggi], [use GGI video driver [[default=no]]]),
  1289                   , enable_video_ggi=no)
  1290     if test x$enable_video = xyes -a x$enable_video_ggi = xyes; then
  1291         AC_MSG_CHECKING(for GGI support)
  1292         video_ggi=no
  1293         AC_TRY_COMPILE([
  1294          #include <ggi/ggi.h>
  1295          #include <ggi/gii.h>
  1296         ],[
  1297         ],[
  1298         video_ggi=yes
  1299         ])
  1300         AC_MSG_RESULT($video_ggi)
  1301         if test x$video_ggi = xyes; then
  1302             AC_DEFINE(SDL_VIDEO_DRIVER_GGI)
  1303             SOURCES="$SOURCES $srcdir/src/video/ggi/*.c"
  1304             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lggi -lgii -lgg"
  1305             have_video=yes
  1306         fi
  1307     fi
  1308 }
  1309 
  1310 dnl Find the SVGAlib includes and libraries
  1311 CheckSVGA()
  1312 {
  1313     AC_ARG_ENABLE(video-svga,
  1314 AC_HELP_STRING([--enable-video-svga], [use SVGAlib video driver [[default=yes]]]),
  1315                   , enable_video_svga=yes)
  1316     if test x$enable_video = xyes -a x$enable_video_svga = xyes; then
  1317         AC_MSG_CHECKING(for SVGAlib (1.4.0+) support)
  1318         video_svga=no
  1319         AC_TRY_COMPILE([
  1320          #include <vga.h>
  1321          #include <vgamouse.h>
  1322          #include <vgakeyboard.h>
  1323         ],[
  1324          if ( SCANCODE_RIGHTWIN && SCANCODE_LEFTWIN ) {
  1325              exit(0);
  1326          }
  1327         ],[
  1328         video_svga=yes
  1329         ])
  1330         AC_MSG_RESULT($video_svga)
  1331         if test x$video_svga = xyes; then
  1332             AC_DEFINE(SDL_VIDEO_DRIVER_SVGALIB)
  1333             SOURCES="$SOURCES $srcdir/src/video/svga/*.c"
  1334             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lvga"
  1335             have_video=yes
  1336         fi
  1337     fi
  1338 }
  1339 
  1340 dnl Find the VGL includes and libraries
  1341 CheckVGL()
  1342 {
  1343     AC_ARG_ENABLE(video-vgl,
  1344 AC_HELP_STRING([--enable-video-vgl], [use VGL video driver [[default=yes]]]),
  1345                   , enable_video_vgl=yes)
  1346     if test x$enable_video = xyes -a x$enable_video_vgl = xyes; then
  1347         AC_MSG_CHECKING(for libVGL support)
  1348         video_vgl=no
  1349         AC_TRY_COMPILE([
  1350          #include <sys/fbio.h>
  1351          #include <sys/consio.h>
  1352          #include <sys/kbio.h>
  1353          #include <vgl.h>
  1354         ],[
  1355          VGLBitmap bitmap;
  1356          bitmap.Type = VIDBUF32;
  1357          bitmap.PixelBytes = 4;
  1358          exit(bitmap.Bitmap);
  1359         ],[
  1360         video_vgl=yes
  1361         ])
  1362         AC_MSG_RESULT($video_vgl)
  1363         if test x$video_vgl = xyes; then
  1364             AC_DEFINE(SDL_VIDEO_DRIVER_VGL)
  1365             SOURCES="$SOURCES $srcdir/src/video/vgl/*.c"
  1366             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lvgl"
  1367             have_video=yes
  1368         fi
  1369     fi
  1370 }
  1371 
  1372 dnl Set up the wscons video driver if enabled
  1373 CheckWscons()
  1374 {
  1375     AC_ARG_ENABLE(video-wscons,
  1376 AC_HELP_STRING([--enable-video-wscons], [use wscons video driver [[default=yes]]]),
  1377                   , enable_video_wscons=yes)
  1378     if test x$enable_video = xyes -a x$enable_video_wscons = xyes; then
  1379         AC_MSG_CHECKING(for wscons support)
  1380         video_wscons=no
  1381         AC_TRY_COMPILE([
  1382          #include <sys/time.h>
  1383          #include <dev/wscons/wsconsio.h>
  1384          #include <dev/wscons/wsdisplay_usl_io.h>
  1385         ],[
  1386          int wsmode = WSDISPLAYIO_MODE_DUMBFB;
  1387         ],[
  1388         video_wscons=yes
  1389         ])
  1390         AC_MSG_RESULT($video_wscons)
  1391         if test x$video_wscons = xyes; then
  1392             AC_DEFINE(SDL_VIDEO_DRIVER_WSCONS)
  1393             SOURCES="$SOURCES $srcdir/src/video/wscons/*.c"
  1394             have_video=yes
  1395         fi
  1396     fi
  1397 }
  1398 
  1399 
  1400 dnl Find the AAlib includes
  1401 CheckAAlib()
  1402 {
  1403     AC_ARG_ENABLE(video-aalib,
  1404 AC_HELP_STRING([--enable-video-aalib], [use AAlib video driver [[default=no]]]),
  1405                   , enable_video_aalib=no)
  1406     if test x$enable_video = xyes -a x$enable_video_aalib = xyes; then
  1407         AC_MSG_CHECKING(for AAlib support)
  1408         video_aalib=no
  1409         AC_TRY_COMPILE([
  1410          #include <aalib.h>
  1411         ],[
  1412         ],[
  1413         video_aalib=yes
  1414         ])
  1415         AC_MSG_RESULT($video_aalib)
  1416         if test x$video_aalib = xyes; then
  1417             AC_DEFINE(SDL_VIDEO_DRIVER_AALIB)
  1418             SOURCES="$SOURCES $srcdir/src/video/aalib/*.c"
  1419             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -laa"
  1420             have_video=yes
  1421         fi
  1422     fi
  1423 }
  1424 
  1425 dnl Set up the QTopia video driver if enabled
  1426 CheckQtopia()
  1427 {
  1428     AC_ARG_ENABLE(video-qtopia,
  1429 AC_HELP_STRING([--enable-video-qtopia], [use Qtopia video driver [[default=no]]]),
  1430                   , enable_video_qtopia=no)
  1431     if test x$enable_video = xyes -a x$enable_video_qtopia = xyes; then
  1432         AC_MSG_CHECKING(for Qtopia support)
  1433         video_qtopia=no
  1434         QTOPIA_FLAGS="-DQT_QWS_EBX -DQT_QWS_CUSTOM -DQWS -I${QPEDIR}/include -I${QTDIR}/include/ -DNO_DEBUG -fno-rtti -fno-exceptions"
  1435         AC_LANG_CPLUSPLUS
  1436         OLD_CXX="$CXXFLAGS"
  1437         CXXFLAGS="$QTOPIA_FLAGS"
  1438         AC_TRY_COMPILE([
  1439          #include <qpe/qpeapplication.h>
  1440         ],[
  1441         ],[
  1442         video_qtopia=yes
  1443         ])
  1444         CXXFLAGS="$OLD_CXX"
  1445         AC_MSG_RESULT($video_qtopia)
  1446         if test x$video_qtopia = xyes; then
  1447             AC_DEFINE(SDL_VIDEO_DRIVER_QTOPIA)
  1448             SOURCES="$SOURCES $srcdir/src/video/qtopia/*.cc"
  1449             SDLMAIN_SOURCES="$srcdir/src/main/qtopia/*.cc"
  1450             EXTRA_CFLAGS="$EXTRA_CFLAGS $QTOPIA_FLAGS"
  1451             SDL_CFLAGS="$SDL_CFLAGS -DQWS -Dmain=SDL_main"
  1452             SDL_LIBS="-lSDLmain $SDL_LIBS -L${QPEDIR}/lib -L${QTDIR}/lib/ -lqpe -lqte"
  1453             have_video=yes
  1454         fi
  1455         AC_LANG_C
  1456     fi
  1457 }
  1458 
  1459 dnl Set up the PicoGUI video driver if enabled
  1460 CheckPicoGUI()
  1461 {
  1462     AC_ARG_ENABLE(video-picogui,
  1463 AC_HELP_STRING([--enable-video-picogui], [use PicoGUI video driver [[default=no]]]),
  1464                   , enable_video_picogui=no)
  1465     if test x$enable_video = xyes -a x$enable_video_picogui = xyes; then
  1466         AC_MSG_CHECKING(for PicoGUI support)
  1467         video_picogui=no
  1468         AC_TRY_COMPILE([
  1469          #include <picogui.h>
  1470         ],[
  1471         ],[
  1472         video_picogui=yes
  1473         ])
  1474         AC_MSG_RESULT($video_picogui)
  1475         if test x$video_picogui = xyes; then
  1476             AC_DEFINE(SDL_VIDEO_DRIVER_PICOGUI)
  1477             SOURCES="$SOURCES $srcdir/src/video/picogui/*.c"
  1478             SDL_LIBS="$SDL_LIBS -lpgui"
  1479             have_video=yes
  1480         fi
  1481     fi
  1482 }
  1483 
  1484 dnl Set up the Atari Bios keyboard driver
  1485 CheckAtariBiosEvent()
  1486 {
  1487     SOURCES="$SOURCES $srcdir/src/video/ataricommon/*.c"
  1488     SOURCES="$SOURCES $srcdir/src/video/ataricommon/*.S"
  1489 }
  1490 
  1491 dnl Set up the Atari Xbios driver
  1492 CheckAtariXbiosVideo()
  1493 {
  1494     AC_ARG_ENABLE(xbios,
  1495 AC_HELP_STRING([--enable-video-xbios], [use Atari Xbios video driver [[default=yes]]]),
  1496                   , enable_video_xbios=yes)
  1497     video_xbios=no
  1498     if test x$enable_video = xyes -a x$enable_video_xbios = xyes; then
  1499         video_xbios=yes
  1500         AC_DEFINE(SDL_VIDEO_DRIVER_XBIOS)
  1501         SOURCES="$SOURCES $srcdir/src/video/xbios/*.c"
  1502         have_video=yes
  1503     fi
  1504 }
  1505 
  1506 dnl Set up the Atari Gem driver
  1507 CheckAtariGemVideo()
  1508 {
  1509     AC_ARG_ENABLE(gem,
  1510 AC_HELP_STRING([--enable-video-gem], [use Atari Gem video driver [[default=yes]]]),
  1511                   , enable_video_gem=yes)
  1512     if test x$enable_video = xyes -a x$enable_video_gem = xyes; then
  1513         video_gem=no
  1514         AC_CHECK_HEADER(gem.h, have_gem_hdr=yes)
  1515         AC_CHECK_LIB(gem, appl_init, have_gem_lib=yes)
  1516         if test x$have_gem_hdr = xyes -a x$have_gem_lib = xyes; then
  1517             video_gem=yes
  1518             AC_DEFINE(SDL_VIDEO_DRIVER_GEM)
  1519             SOURCES="$SOURCES $srcdir/src/video/gem/*.c"
  1520             SDL_LIBS="$SDL_LIBS -lgem"
  1521             have_video=yes
  1522         fi
  1523     fi
  1524 }
  1525 
  1526 dnl rcg04172001 Set up the Null video driver.
  1527 CheckDummyVideo()
  1528 {
  1529     AC_ARG_ENABLE(video-dummy,
  1530 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
  1531                   , enable_video_dummy=yes)
  1532     if test x$enable_video_dummy = xyes; then
  1533         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY)
  1534         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
  1535         have_video=yes
  1536     fi
  1537 }
  1538 
  1539 dnl Check to see if OpenGL support is desired
  1540 AC_ARG_ENABLE(video-opengl,
  1541 AC_HELP_STRING([--enable-video-opengl], [include OpenGL context creation [[default=yes]]]),
  1542               , enable_video_opengl=yes)
  1543 
  1544 dnl Find OpenGL
  1545 CheckOpenGLX11()
  1546 {
  1547     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1548         AC_MSG_CHECKING(for OpenGL (GLX) support)
  1549         video_opengl=no
  1550         AC_TRY_COMPILE([
  1551          #include <GL/gl.h>
  1552          #include <GL/glx.h>
  1553         ],[
  1554         ],[
  1555         video_opengl=yes
  1556         ])
  1557         AC_MSG_RESULT($video_opengl)
  1558         if test x$video_opengl = xyes; then
  1559             AC_DEFINE(SDL_VIDEO_OPENGL)
  1560             AC_DEFINE(SDL_VIDEO_OPENGL_GLX)
  1561         fi
  1562     fi
  1563 }
  1564 
  1565 dnl Find QNX RtP OpenGL
  1566 CheckOpenGLQNX()
  1567 {
  1568     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1569         AC_MSG_CHECKING(for OpenGL (Photon) support)
  1570         video_opengl=no
  1571         AC_TRY_COMPILE([
  1572          #include <GL/gl.h>
  1573         ],[
  1574         ],[
  1575         video_opengl=yes
  1576         ])
  1577         AC_MSG_RESULT($video_opengl)
  1578         if test x$video_opengl = xyes; then
  1579             AC_DEFINE(SDL_VIDEO_OPENGL)
  1580             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  1581         fi
  1582     fi
  1583 }
  1584 
  1585 dnl Check for Win32 OpenGL
  1586 CheckWIN32GL()
  1587 {
  1588     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1589         AC_DEFINE(SDL_VIDEO_OPENGL)
  1590         AC_DEFINE(SDL_VIDEO_OPENGL_WGL)
  1591     fi
  1592 }
  1593 
  1594 dnl Check for BeOS OpenGL
  1595 CheckBeGL()
  1596 {
  1597     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1598         AC_DEFINE(SDL_VIDEO_OPENGL)
  1599         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  1600     fi
  1601 }
  1602 
  1603 dnl Check for MacOS OpenGL
  1604 CheckMacGL()
  1605 {
  1606     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1607         AC_DEFINE(SDL_VIDEO_OPENGL)
  1608         case "$host" in
  1609             *-*-darwin*)
  1610                 if test x$enable_video_cocoa = xyes; then
  1611                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGL"
  1612                 fi
  1613                 if test x$enable_video_carbon = xyes; then
  1614                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AGL"
  1615                 fi
  1616         esac
  1617     fi
  1618 }
  1619 
  1620 dnl Check for Mesa offscreen rendering
  1621 CheckAtariOSMesa()
  1622 {
  1623     if test "x$enable_video" = "xyes" -a "x$enable_video_opengl" = "xyes"; then
  1624         AC_CHECK_HEADER(GL/osmesa.h, have_osmesa_hdr=yes)
  1625         AC_CHECK_LIB(OSMesa, OSMesaCreateContext, have_osmesa_lib=yes, have_osmesa_lib=no, -lm)
  1626 
  1627         # Static linking to -lOSMesa
  1628         AC_PATH_PROG(OSMESA_CONFIG, osmesa-config, no)
  1629         if test "x$OSMESA_CONFIG" = "xno" -o "x$enable_atari_ldg" = "xno"; then
  1630             # -lOSMesa is really the static library
  1631             if test "x$have_osmesa_hdr" = "xyes" -a "x$have_osmesa_lib" = "xyes"; then
  1632                 OSMESA_LIBS="-lOSMesa"
  1633             fi
  1634         else
  1635             # -lOSMesa is a loader for OSMesa.ldg
  1636             OSMESA_CFLAGS=`$OSMESA_CONFIG --cflags`
  1637             OSMESA_LIBS=`$OSMESA_CONFIG --libs`
  1638         fi
  1639         AC_DEFINE(SDL_VIDEO_OPENGL)
  1640         AC_DEFINE(SDL_VIDEO_OPENGL_OSMESA)
  1641         SDL_CFLAGS="$SDL_CFLAGS $OSMESA_CFLAGS"
  1642         SDL_LIBS="$SDL_LIBS $OSMESA_LIBS"
  1643 
  1644         AC_ARG_ENABLE(osmesa-shared,
  1645 AC_HELP_STRING([--enable-osmesa-shared], [dynamically load OSMesa OpenGL support [[default=yes]]]),
  1646                               , enable_osmesa_shared=yes)
  1647         if test "x$enable_osmesa_shared" = "xyes" -a "x$enable_atari_ldg" = "xyes"; then
  1648             # Dynamic linking
  1649             if test "x$have_osmesa_hdr" = "xyes"; then
  1650                 AC_DEFINE(SDL_VIDEO_OPENGL_OSMESA_DYNAMIC)
  1651             fi
  1652         fi
  1653     fi
  1654 }
  1655 
  1656 dnl See if we can use the new unified event interface in Linux 2.4
  1657 CheckInputEvents()
  1658 {
  1659     dnl Check for Linux 2.4 unified input event interface support
  1660     AC_ARG_ENABLE(input-events,
  1661 AC_HELP_STRING([--enable-input-events], [use Linux 2.4 unified input interface [[default=yes]]]),
  1662                   , enable_input_events=yes)
  1663     if test x$enable_input_events = xyes; then
  1664         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
  1665         use_input_events=no
  1666         AC_TRY_COMPILE([
  1667           #include <linux/input.h>
  1668         ],[
  1669           #ifndef EVIOCGNAME
  1670           #error EVIOCGNAME() ioctl not available
  1671           #endif
  1672         ],[
  1673         use_input_events=yes
  1674         ])
  1675         AC_MSG_RESULT($use_input_events)
  1676         if test x$use_input_events = xyes; then
  1677             AC_DEFINE(SDL_INPUT_LINUXEV)
  1678         fi
  1679     fi
  1680 }
  1681 
  1682 dnl See if we can use the Touchscreen input library
  1683 CheckTslib()
  1684 {
  1685     AC_ARG_ENABLE(input-tslib,
  1686 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
  1687                   , enable_input_tslib=yes)
  1688     if test x$enable_input_tslib = xyes; then
  1689         AC_MSG_CHECKING(for Touchscreen library support)
  1690         enable_input_tslib=no
  1691         AC_TRY_COMPILE([
  1692           #include "tslib.h"
  1693         ],[
  1694         ],[
  1695         enable_input_tslib=yes
  1696         ])
  1697         AC_MSG_RESULT($enable_input_tslib)
  1698         if test x$enable_input_tslib = xyes; then
  1699             AC_DEFINE(SDL_INPUT_TSLIB)
  1700             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
  1701         fi
  1702     fi
  1703 }
  1704 
  1705 dnl See if we can use GNU pth library for threads
  1706 CheckPTH()
  1707 {
  1708     dnl Check for pth support
  1709     AC_ARG_ENABLE(pth,
  1710 AC_HELP_STRING([--enable-pth], [use GNU pth library for multi-threading [[default=yes]]]),
  1711                   , enable_pth=yes)
  1712     if test x$enable_threads = xyes -a x$enable_pth = xyes; then
  1713         AC_PATH_PROG(PTH_CONFIG, pth-config, no)
  1714         if test "$PTH_CONFIG" = "no"; then
  1715             use_pth=no
  1716         else
  1717             use_pth=yes
  1718         fi
  1719         AC_MSG_CHECKING(pth)
  1720         AC_MSG_RESULT($use_pth)
  1721         if test "x$use_pth" = xyes; then
  1722             AC_DEFINE(SDL_THREAD_PTH)
  1723             SOURCES="$SOURCES $srcdir/src/thread/pth/*.c"
  1724             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  1725             SDL_CFLAGS="$SDL_CFLAGS `$PTH_CONFIG --cflags`"
  1726             SDL_LIBS="$SDL_LIBS `$PTH_CONFIG --libs --all`"
  1727             have_threads=yes
  1728         fi
  1729     fi
  1730 }
  1731 
  1732 dnl See what type of thread model to use on Linux and Solaris
  1733 CheckPTHREAD()
  1734 {
  1735     dnl Check for pthread support
  1736     AC_ARG_ENABLE(pthreads,
  1737 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
  1738                   , enable_pthreads=yes)
  1739     dnl This is used on Linux for glibc binary compatibility (Doh!)
  1740     AC_ARG_ENABLE(pthread-sem,
  1741 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
  1742                   , enable_pthread_sem=yes)
  1743     case "$host" in
  1744         *-*-linux*|*-*-uclinux*)
  1745             pthread_cflags="-D_REENTRANT"
  1746             pthread_lib="-lpthread"
  1747             ;;
  1748         *-*-bsdi*)
  1749             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  1750             pthread_lib=""
  1751             ;;
  1752         *-*-darwin*)
  1753             pthread_cflags="-D_THREAD_SAFE"
  1754 # causes Carbon.p complaints?
  1755 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  1756             ;;
  1757         *-*-freebsd*|*-*-dragonfly*)
  1758             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  1759             pthread_lib="-pthread"
  1760             ;;
  1761         *-*-netbsd*)
  1762             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  1763             pthread_lib="-L/usr/lib -lpthread"
  1764             ;;
  1765         *-*-openbsd*)
  1766             pthread_cflags="-D_REENTRANT"
  1767             pthread_lib="-pthread"
  1768             ;;
  1769         *-*-solaris*)
  1770             pthread_cflags="-D_REENTRANT"
  1771             pthread_lib="-lpthread -lposix4"
  1772             ;;
  1773         *-*-sysv5*)
  1774             pthread_cflags="-D_REENTRANT -Kthread"
  1775             pthread_lib=""
  1776             ;;
  1777         *-*-irix*)
  1778             pthread_cflags="-D_SGI_MP_SOURCE"
  1779             pthread_lib="-lpthread"
  1780             ;;
  1781         *-*-aix*)
  1782             pthread_cflags="-D_REENTRANT -mthreads"
  1783             pthread_lib="-lpthread"
  1784             ;;
  1785         *-*-hpux11*)
  1786             pthread_cflags="-D_REENTRANT"
  1787             pthread_lib="-L/usr/lib -lpthread"
  1788             ;;
  1789         *-*-qnx*)
  1790             pthread_cflags=""
  1791             pthread_lib=""
  1792             ;;
  1793         *-*-osf*)
  1794             pthread_cflags="-D_REENTRANT"
  1795             if test x$ac_cv_prog_gcc = xyes; then
  1796                 pthread_lib="-lpthread -lrt"
  1797             else
  1798                 pthread_lib="-lpthread -lexc -lrt"
  1799             fi
  1800             ;;
  1801         *)
  1802             pthread_cflags="-D_REENTRANT"
  1803             pthread_lib="-lpthread"
  1804             ;;
  1805     esac
  1806     if test x$enable_threads = xyes -a x$enable_pthreads = xyes -a x$enable_ipod != xyes; then
  1807         # Save the original compiler flags and libraries
  1808         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  1809         # Add the pthread compiler flags and libraries
  1810         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  1811         # Check to see if we have pthread support on this system
  1812         AC_MSG_CHECKING(for pthreads)
  1813         use_pthreads=no
  1814         AC_TRY_LINK([
  1815          #include <pthread.h>
  1816         ],[
  1817          pthread_attr_t type;
  1818          pthread_attr_init(&type);
  1819         ],[
  1820         use_pthreads=yes
  1821         ])
  1822         AC_MSG_RESULT($use_pthreads)
  1823         # Restore the compiler flags and libraries
  1824         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  1825 
  1826         # Do futher testing if we have pthread support...
  1827         if test x$use_pthreads = xyes; then
  1828             AC_DEFINE(SDL_THREAD_PTHREAD)
  1829             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
  1830             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
  1831             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
  1832             SDL_LIBS="$SDL_LIBS $pthread_lib"
  1833 
  1834             # Save the original compiler flags and libraries
  1835             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  1836             # Add the pthread compiler flags and libraries
  1837             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  1838 
  1839             # Check to see if recursive mutexes are available
  1840             AC_MSG_CHECKING(for recursive mutexes)
  1841             has_recursive_mutexes=no
  1842             if test x$has_recursive_mutexes = xno; then
  1843                 AC_TRY_COMPILE([
  1844                   #include <pthread.h>
  1845                 ],[
  1846                   pthread_mutexattr_t attr;
  1847                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
  1848                 ],[
  1849                 has_recursive_mutexes=yes
  1850                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX)
  1851                 ])
  1852             fi
  1853             if test x$has_recursive_mutexes = xno; then
  1854                 AC_TRY_COMPILE([
  1855                   #include <pthread.h>
  1856                 ],[
  1857                   pthread_mutexattr_t attr;
  1858                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
  1859                 ],[
  1860                 has_recursive_mutexes=yes
  1861                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP)
  1862                 ])
  1863             fi
  1864             AC_MSG_RESULT($has_recursive_mutexes)
  1865 
  1866             # Check to see if pthread semaphore support is missing
  1867             if test x$enable_pthread_sem = xyes; then
  1868                 AC_MSG_CHECKING(for pthread semaphores)
  1869                 have_pthread_sem=no
  1870                 AC_TRY_COMPILE([
  1871                   #include <pthread.h>
  1872                   #include <semaphore.h>
  1873                 ],[
  1874                 ],[
  1875                 have_pthread_sem=yes
  1876                 ])
  1877                 AC_MSG_RESULT($have_pthread_sem)
  1878             fi
  1879 
  1880             # Restore the compiler flags and libraries
  1881             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  1882 
  1883             # Basic thread creation functions
  1884             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
  1885 
  1886             # Semaphores
  1887             # We can fake these with mutexes and condition variables if necessary
  1888             if test x$have_pthread_sem = xyes; then
  1889                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
  1890             else
  1891                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  1892             fi
  1893 
  1894             # Mutexes
  1895             # We can fake these with semaphores if necessary
  1896             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
  1897 
  1898             # Condition variables
  1899             # We can fake these with semaphores and mutexes if necessary
  1900             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
  1901 
  1902             have_threads=yes
  1903         else
  1904             CheckPTH
  1905         fi
  1906     fi
  1907 }
  1908 
  1909 dnl Determine whether the compiler can produce Win32 executables
  1910 CheckWIN32()
  1911 {
  1912     AC_MSG_CHECKING(Win32 compiler)
  1913     have_win32_gcc=no
  1914     AC_TRY_COMPILE([
  1915      #include <windows.h>
  1916     ],[
  1917     ],[
  1918     have_win32_gcc=yes
  1919     ])
  1920     AC_MSG_RESULT($have_win32_gcc)
  1921     if test x$have_win32_gcc != xyes; then
  1922        AC_MSG_ERROR([
  1923 *** Your compiler ($CC) does not produce Win32 executables!
  1924        ])
  1925     fi
  1926 
  1927     dnl See if the user wants to redirect standard output to files
  1928     AC_ARG_ENABLE(stdio-redirect,
  1929 AC_HELP_STRING([--enable-stdio-redirect], [Redirect STDIO to files on Win32 [[default=yes]]]),
  1930                   , enable_stdio_redirect=yes)
  1931     if test x$enable_stdio_redirect != xyes; then
  1932         EXTRA_CFLAGS="$EXTRA_CFLAGS -DNO_STDIO_REDIRECT"
  1933     fi
  1934 
  1935     if test x$enable_video = xyes; then
  1936         AC_DEFINE(SDL_VIDEO_DRIVER_WINDIB)
  1937         SOURCES="$SOURCES $srcdir/src/video/wincommon/*.c"
  1938         SOURCES="$SOURCES $srcdir/src/video/windib/*.c"
  1939         have_video=yes
  1940     fi
  1941 }
  1942 
  1943 dnl Find the DirectX includes and libraries
  1944 CheckDIRECTX()
  1945 {
  1946     AC_ARG_ENABLE(directx,
  1947 AC_HELP_STRING([--enable-directx], [use DirectX for Win32 audio/video [[default=yes]]]),
  1948                   , enable_directx=yes)
  1949     if test x$enable_directx = xyes; then
  1950         have_directx=no
  1951         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
  1952         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
  1953         AC_CHECK_HEADER(dinput.h, use_dinput=yes)
  1954         if test x$have_ddraw = xyes -a x$have_dsound = xyes -a x$use_dinput = xyes; then
  1955             have_directx=yes
  1956         fi
  1957         if test x$enable_video = xyes -a x$have_directx = xyes; then
  1958             AC_DEFINE(SDL_VIDEO_DRIVER_DDRAW)
  1959             SOURCES="$SOURCES $srcdir/src/video/windx5/*.c"
  1960             have_video=yes
  1961         fi
  1962     fi
  1963 }
  1964 
  1965 dnl Check for the dlfcn.h interface for dynamically loading objects
  1966 CheckDLOPEN()
  1967 {
  1968     AC_ARG_ENABLE(sdl-dlopen,
  1969 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
  1970                   , enable_sdl_dlopen=yes)
  1971     if test x$enable_sdl_dlopen = xyes; then
  1972         AC_MSG_CHECKING(for dlopen)
  1973         have_dlopen=no
  1974         AC_TRY_COMPILE([
  1975          #include <dlfcn.h>
  1976         ],[
  1977          #if defined(MAC_OS_X_VERSION_MIN_REQUIRED) && MAC_OS_X_VERSION_MIN_REQUIRED <= 1020
  1978          #error Use dlcompat for Mac OS X 10.2 compatibility
  1979          #endif
  1980         ],[
  1981         have_dlopen=yes
  1982         ])
  1983         AC_MSG_RESULT($have_dlopen)
  1984 
  1985         if test x$have_dlopen = xyes; then
  1986             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
  1987                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
  1988                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
  1989             AC_CHECK_LIB(dl, dlvsym, have_dlvsym=yes)
  1990             if test x$have_dlvsym = xyes; then
  1991                 AC_DEFINE(HAVE_DLVSYM)
  1992             fi
  1993             AC_DEFINE(SDL_LOADSO_DLOPEN)
  1994             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
  1995             have_loadso=yes
  1996         fi
  1997     fi
  1998 }
  1999 
  2000 dnl Set up the Atari LDG (shared object loader)
  2001 CheckAtariLdg()
  2002 {
  2003     AC_ARG_ENABLE(atari-ldg,
  2004 AC_HELP_STRING([--enable-atari-ldg], [use Atari LDG for shared object loading [[default=yes]]]),
  2005                   , enable_atari_ldg=yes)
  2006     if test x$video_gem = xyes -a x$enable_atari_ldg = xyes; then
  2007         AC_CHECK_HEADER(ldg.h, have_ldg_hdr=yes)
  2008         AC_CHECK_LIB(ldg, ldg_open, have_ldg_lib=yes, have_ldg_lib=no, -lgem)
  2009         if test x$have_ldg_hdr = xyes -a x$have_ldg_lib = xyes; then
  2010             AC_DEFINE(SDL_LOADSO_LDG)
  2011             SOURCES="$SOURCES $srcdir/src/loadso/mint/*.c"
  2012             SDL_LIBS="$SDL_LIBS -lldg -lgem"
  2013             have_loadso=yes
  2014         fi
  2015     fi
  2016 }
  2017 
  2018 dnl Check for the usbhid(3) library on *BSD
  2019 CheckUSBHID()
  2020 {
  2021     if test x$enable_joystick = xyes; then
  2022         AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
  2023         if test x$have_libusbhid = xyes; then
  2024             AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
  2025             AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
  2026             USB_LIBS="$USB_LIBS -lusbhid"
  2027         else
  2028             AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
  2029             AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
  2030             AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
  2031         fi
  2032             
  2033         save_CFLAGS="$CFLAGS"
  2034         CFLAGS="$CFLAGS $USB_CFLAGS"
  2035 
  2036         AC_MSG_CHECKING(for usbhid)
  2037         have_usbhid=no
  2038         AC_TRY_COMPILE([
  2039           #include <sys/types.h>
  2040           #if defined(HAVE_USB_H)
  2041           #include <usb.h>
  2042           #endif
  2043           #ifdef __DragonFly__
  2044           # include <bus/usb/usb.h>
  2045           # include <bus/usb/usbhid.h>
  2046           #else
  2047           # include <dev/usb/usb.h>
  2048           # include <dev/usb/usbhid.h>
  2049           #endif
  2050           #if defined(HAVE_USBHID_H)
  2051           #include <usbhid.h>
  2052           #elif defined(HAVE_LIBUSB_H)
  2053           #include <libusb.h>
  2054           #elif defined(HAVE_LIBUSBHID_H)
  2055           #include <libusbhid.h>
  2056           #endif
  2057         ],[
  2058           struct report_desc *repdesc;
  2059           struct usb_ctl_report *repbuf;
  2060           hid_kind_t hidkind;
  2061         ],[
  2062         have_usbhid=yes
  2063         ])
  2064         AC_MSG_RESULT($have_usbhid)
  2065 
  2066         if test x$have_usbhid = xyes; then
  2067             AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
  2068             have_usbhid_ucr_data=no
  2069             AC_TRY_COMPILE([
  2070               #include <sys/types.h>
  2071               #if defined(HAVE_USB_H)
  2072               #include <usb.h>
  2073               #endif
  2074               #ifdef __DragonFly__
  2075               # include <bus/usb/usb.h>
  2076               # include <bus/usb/usbhid.h>
  2077               #else
  2078               # include <dev/usb/usb.h>
  2079               # include <dev/usb/usbhid.h>
  2080               #endif
  2081               #if defined(HAVE_USBHID_H)
  2082               #include <usbhid.h>
  2083               #elif defined(HAVE_LIBUSB_H)
  2084               #include <libusb.h>
  2085               #elif defined(HAVE_LIBUSBHID_H)
  2086               #include <libusbhid.h>
  2087               #endif
  2088             ],[
  2089               struct usb_ctl_report buf;
  2090               if (buf.ucr_data) { }
  2091             ],[
  2092             have_usbhid_ucr_data=yes
  2093             ])
  2094             if test x$have_usbhid_ucr_data = xyes; then
  2095                 USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
  2096             fi
  2097             AC_MSG_RESULT($have_usbhid_ucr_data)
  2098             
  2099             AC_MSG_CHECKING(for new usbhid API)
  2100             have_usbhid_new=no
  2101             AC_TRY_COMPILE([
  2102               #include <sys/types.h>
  2103               #if defined(HAVE_USB_H)
  2104               #include <usb.h>
  2105               #endif
  2106               #include <dev/usb/usb.h>
  2107               #include <dev/usb/usbhid.h>
  2108               #if defined(HAVE_USBHID_H)
  2109               #include <usbhid.h>
  2110               #elif defined(HAVE_LIBUSB_H)
  2111               #include <libusb.h>
  2112               #elif defined(HAVE_LIBUSBHID_H)
  2113               #include <libusbhid.h>
  2114               #endif
  2115             ],[
  2116               report_desc_t d;
  2117               hid_start_parse(d, 1, 1);
  2118             ],[
  2119             have_usbhid_new=yes
  2120             ])
  2121             if test x$have_usbhid_new = xyes; then
  2122                 USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
  2123             fi
  2124             AC_MSG_RESULT($have_usbhid_new)
  2125 
  2126             AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
  2127             have_machine_joystick=no
  2128             AC_TRY_COMPILE([
  2129               #include <machine/joystick.h>
  2130             ],[
  2131               struct joystick t;
  2132             ],[
  2133             have_machine_joystick=yes
  2134             ])
  2135             if test x$have_machine_joystick = xyes; then
  2136                 AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H)
  2137             fi
  2138             AC_MSG_RESULT($have_machine_joystick)
  2139 
  2140             AC_DEFINE(SDL_JOYSTICK_USBHID)
  2141             SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
  2142             EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
  2143             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
  2144             have_joystick=yes
  2145         fi
  2146         CFLAGS="$save_CFLAGS"
  2147     fi
  2148 }
  2149 
  2150 dnl Check for clock_gettime()
  2151 CheckClockGettime()
  2152 {
  2153     AC_ARG_ENABLE(clock_gettime,
  2154 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=no]]]),
  2155                   , enable_clock_gettime=no)
  2156     if test x$enable_clock_gettime = xyes; then
  2157         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
  2158         if test x$have_clock_gettime = xyes; then
  2159             AC_DEFINE(HAVE_CLOCK_GETTIME)
  2160             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
  2161         fi
  2162     fi
  2163 }
  2164 
  2165 dnl Check for a valid linux/version.h
  2166 CheckLinuxVersion()
  2167 {
  2168     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
  2169     if test x$have_linux_version_h = xyes; then
  2170         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
  2171     fi
  2172 }
  2173 
  2174 dnl Check if we want to use RPATH
  2175 CheckRPATH()
  2176 {
  2177     AC_ARG_ENABLE(rpath,
  2178 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
  2179                   , enable_rpath=yes)
  2180 }
  2181 
  2182 dnl Set up the configuration based on the host platform!
  2183 case "$host" in
  2184     arm-*-elf*) # FIXME: Can we get more specific for iPodLinux?
  2185         ARCH=linux
  2186         CheckDummyVideo
  2187         CheckIPod
  2188         # Set up files for the timer library
  2189         if test x$enable_timers = xyes; then
  2190             AC_DEFINE(SDL_TIMER_UNIX)
  2191             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2192             have_timers=yes
  2193         fi
  2194         ;;
  2195     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-irix*|*-*-aix*|*-*-osf*)
  2196         case "$host" in
  2197             *-*-linux*)         ARCH=linux ;;
  2198             *-*-uclinux*)       ARCH=linux ;;
  2199             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
  2200             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
  2201             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
  2202             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
  2203             *-*-bsdi*)          ARCH=bsdi ;;
  2204             *-*-freebsd*)       ARCH=freebsd ;;
  2205             *-*-dragonfly*)     ARCH=freebsd ;;
  2206             *-*-netbsd*)        ARCH=netbsd ;;
  2207             *-*-openbsd*)       ARCH=openbsd ;;
  2208             *-*-sysv5*)         ARCH=sysv5 ;;
  2209             *-*-solaris*)       ARCH=solaris ;;
  2210             *-*-hpux*)          ARCH=hpux ;;
  2211             *-*-irix*)          ARCH=irix ;;
  2212             *-*-aix*)           ARCH=aix ;;
  2213             *-*-osf*)           ARCH=osf ;;
  2214         esac
  2215         CheckVisibilityHidden
  2216         CheckDummyVideo
  2217         CheckDiskAudio
  2218         CheckDummyAudio
  2219         CheckDLOPEN
  2220         CheckNASM
  2221         CheckAltivec
  2222         CheckOSS
  2223         CheckDMEDIA
  2224         CheckMME
  2225         CheckALSA
  2226         CheckARTSC
  2227         CheckESD
  2228         CheckPulseAudio
  2229         CheckNAS
  2230         CheckX11
  2231         CheckNANOX
  2232         CheckFBCON
  2233         CheckDirectFB
  2234         CheckPS2GS
  2235         CheckGGI
  2236         CheckSVGA
  2237         CheckVGL
  2238         CheckWscons
  2239         CheckAAlib
  2240         CheckQtopia
  2241         CheckPicoGUI
  2242         CheckOpenGLX11
  2243         CheckInputEvents
  2244         CheckTslib
  2245         CheckUSBHID
  2246         CheckPTHREAD
  2247         CheckClockGettime
  2248         CheckLinuxVersion
  2249         CheckRPATH
  2250         # Set up files for the audio library
  2251         if test x$enable_audio = xyes; then
  2252           case $ARCH in
  2253             sysv5|solaris|hpux)
  2254                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO)
  2255                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  2256                 have_audio=yes
  2257             ;;
  2258             netbsd|openbsd)
  2259                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD)
  2260                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
  2261                 have_audio=yes
  2262             ;;
  2263             aix)
  2264                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUD)
  2265                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
  2266                 have_audio=yes
  2267             ;;
  2268           esac
  2269         fi
  2270         # Set up files for the joystick library
  2271         if test x$enable_joystick = xyes; then
  2272           case $ARCH in
  2273             linux)
  2274                 AC_DEFINE(SDL_JOYSTICK_LINUX)
  2275                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
  2276                 have_joystick=yes
  2277             ;;
  2278           esac
  2279         fi
  2280         # Set up files for the cdrom library
  2281         if test x$enable_cdrom = xyes; then
  2282           case $ARCH in
  2283             linux|solaris)
  2284                 AC_DEFINE(SDL_CDROM_LINUX)
  2285                 SOURCES="$SOURCES $srcdir/src/cdrom/linux/*.c"
  2286                 have_cdrom=yes
  2287             ;;
  2288             *freebsd*)
  2289                 AC_DEFINE(SDL_CDROM_FREEBSD)
  2290                 SOURCES="$SOURCES $srcdir/src/cdrom/freebsd/*.c"
  2291                 have_cdrom=yes
  2292             ;;
  2293             *openbsd*|*netbsd*)
  2294                 AC_DEFINE(SDL_CDROM_OPENBSD)
  2295                 SOURCES="$SOURCES $srcdir/src/cdrom/openbsd/*.c"
  2296                 have_cdrom=yes
  2297             ;;
  2298             bsdi)
  2299                 AC_DEFINE(SDL_CDROM_BSDI)
  2300                 SOURCES="$SOURCES $srcdir/src/cdrom/bsdi/*.c"
  2301                 have_cdrom=yes
  2302             ;;
  2303             aix)
  2304                 AC_DEFINE(SDL_CDROM_AIX)
  2305                 SOURCES="$SOURCES $srcdir/src/cdrom/aix/*.c"
  2306                 have_cdrom=yes
  2307             ;;
  2308             osf)
  2309                 AC_DEFINE(SDL_CDROM_OSF)
  2310                 SOURCES="$SOURCES $srcdir/src/cdrom/osf/*.c"
  2311                 have_cdrom=yes
  2312             ;;
  2313           esac
  2314         fi
  2315         # Set up files for the thread library
  2316         if test x$enable_threads = xyes -a x$use_pthreads != xyes -a x$use_pth != xyes -a x$ARCH = xirix; then
  2317             AC_DEFINE(SDL_THREAD_SPROC)
  2318             SOURCES="$SOURCES $srcdir/src/thread/irix/*.c"
  2319             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_sysmutex.c"
  2320             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2321             have_threads=yes
  2322         fi
  2323         # Set up files for the timer library
  2324         if test x$enable_timers = xyes; then
  2325             AC_DEFINE(SDL_TIMER_UNIX)
  2326             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2327             have_timers=yes
  2328         fi
  2329         ;;
  2330     *-*-qnx*)
  2331         ARCH=qnx
  2332         CheckDummyVideo
  2333         CheckDiskAudio
  2334         CheckDummyAudio
  2335         # CheckNASM
  2336         CheckDLOPEN
  2337         CheckNAS
  2338         CheckPHOTON
  2339         CheckX11
  2340         CheckOpenGLX11
  2341         CheckPTHREAD
  2342         # Set up files for the audio library
  2343         if test x$enable_audio = xyes; then
  2344             AC_DEFINE(SDL_AUDIO_DRIVER_QNXNTO)
  2345             SOURCES="$SOURCES $srcdir/src/audio/nto/*.c"
  2346             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lasound"
  2347             have_audio=yes
  2348         fi
  2349         # Set up files for the cdrom library
  2350         if test x$enable_cdrom = xyes; then
  2351             AC_DEFINE(SDL_CDROM_QNX)
  2352             SOURCES="$SOURCES $srcdir/src/cdrom/qnx/*.c"
  2353             have_cdrom=yes
  2354         fi
  2355         # Set up files for the timer library
  2356         if test x$enable_timers = xyes; then
  2357             AC_DEFINE(SDL_TIMER_UNIX)
  2358             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2359             have_timers=yes
  2360         fi
  2361         ;;
  2362     *-*-cygwin* | *-*-mingw32*)
  2363         ARCH=win32
  2364         if test "$build" != "$host"; then # cross-compiling
  2365             # Default cross-compile location
  2366             ac_default_prefix=/usr/local/cross-tools/i386-mingw32msvc
  2367         else
  2368             # Look for the location of the tools and install there
  2369             if test "$BUILD_PREFIX" != ""; then
  2370                 ac_default_prefix=$BUILD_PREFIX
  2371             fi
  2372         fi
  2373         CheckDummyVideo
  2374         CheckDiskAudio
  2375         CheckDummyAudio
  2376         CheckWIN32
  2377         CheckWIN32GL
  2378         CheckDIRECTX
  2379         CheckNASM
  2380         # Set up files for the audio library
  2381         if test x$enable_audio = xyes; then
  2382             AC_DEFINE(SDL_AUDIO_DRIVER_WAVEOUT)
  2383             SOURCES="$SOURCES $srcdir/src/audio/windib/*.c"
  2384             if test x$have_directx = xyes; then
  2385                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND)
  2386                 SOURCES="$SOURCES $srcdir/src/audio/windx5/*.c"
  2387             fi
  2388             have_audio=yes
  2389         fi
  2390         # Set up files for the joystick library
  2391         if test x$enable_joystick = xyes; then
  2392             AC_DEFINE(SDL_JOYSTICK_WINMM)
  2393             SOURCES="$SOURCES $srcdir/src/joystick/win32/*.c"
  2394             have_joystick=yes
  2395         fi
  2396         # Set up files for the cdrom library
  2397         if test x$enable_cdrom = xyes; then
  2398             AC_DEFINE(SDL_CDROM_WIN32)
  2399             SOURCES="$SOURCES $srcdir/src/cdrom/win32/*.c"
  2400             have_cdrom=yes
  2401         fi
  2402         # Set up files for the thread library
  2403         if test x$enable_threads = xyes; then
  2404             AC_DEFINE(SDL_THREAD_WIN32)
  2405             SOURCES="$SOURCES $srcdir/src/thread/win32/SDL_sysmutex.c"
  2406             SOURCES="$SOURCES $srcdir/src/thread/win32/SDL_syssem.c"
  2407             SOURCES="$SOURCES $srcdir/src/thread/win32/SDL_systhread.c"
  2408             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2409             have_threads=yes
  2410         fi
  2411         # Set up files for the timer library
  2412         if test x$enable_timers = xyes; then
  2413             AC_DEFINE(SDL_TIMER_WIN32)
  2414             SOURCES="$SOURCES $srcdir/src/timer/win32/*.c"
  2415             have_timers=yes
  2416         fi
  2417         # Set up files for the shared object loading library
  2418         if test x$enable_loadso = xyes; then
  2419             AC_DEFINE(SDL_LOADSO_WIN32)
  2420             SOURCES="$SOURCES $srcdir/src/loadso/win32/*.c"
  2421             have_loadso=yes
  2422         fi
  2423         # Set up the system libraries we need
  2424         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm"
  2425         if test x$have_directx = xyes; then
  2426             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldxguid"
  2427         fi
  2428         # The Win32 platform requires special setup
  2429         SDLMAIN_SOURCES="$srcdir/src/main/win32/*.c"
  2430         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
  2431         SDL_LIBS="-lmingw32 -lSDLmain $SDL_LIBS -mwindows"
  2432         ;;
  2433     *-*-beos*)
  2434         ARCH=beos
  2435         ac_default_prefix=/boot/develop/tools/gnupro
  2436         CheckDummyVideo
  2437         CheckDiskAudio
  2438         CheckDummyAudio
  2439         CheckNASM
  2440         CheckBWINDOW
  2441         CheckBeGL
  2442         # Set up files for the audio library
  2443         if test x$enable_audio = xyes; then
  2444             AC_DEFINE(SDL_AUDIO_DRIVER_BAUDIO)
  2445             SOURCES="$SOURCES $srcdir/src/audio/baudio/*.cc"
  2446             have_audio=yes
  2447         fi
  2448         # Set up files for the joystick library
  2449         if test x$enable_joystick = xyes; then
  2450             AC_DEFINE(SDL_JOYSTICK_BEOS)
  2451             SOURCES="$SOURCES $srcdir/src/joystick/beos/*.cc"
  2452             have_joystick=yes
  2453         fi
  2454         # Set up files for the cdrom library
  2455         if test x$enable_cdrom = xyes; then
  2456             AC_DEFINE(SDL_CDROM_BEOS)
  2457             SOURCES="$SOURCES $srcdir/src/cdrom/beos/*.cc"
  2458             have_cdrom=yes
  2459         fi
  2460         # Set up files for the thread library
  2461         if test x$enable_threads = xyes; then
  2462             AC_DEFINE(SDL_THREAD_BEOS)
  2463             SOURCES="$SOURCES $srcdir/src/thread/beos/*.c"
  2464             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_sysmutex.c"
  2465             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2466             have_threads=yes
  2467         fi
  2468         # Set up files for the timer library
  2469         if test x$enable_timers = xyes; then
  2470             AC_DEFINE(SDL_TIMER_BEOS)
  2471             SOURCES="$SOURCES $srcdir/src/timer/beos/*.c"
  2472             have_timers=yes
  2473         fi
  2474         # Set up files for the shared object loading library
  2475         if test x$enable_loadso = xyes; then
  2476             AC_DEFINE(SDL_LOADSO_BEOS)
  2477             SOURCES="$SOURCES $srcdir/src/loadso/beos/*.c"
  2478             have_loadso=yes
  2479         fi
  2480         # The BeOS platform requires special setup.
  2481         SOURCES="$srcdir/src/main/beos/*.cc $SOURCES"
  2482         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
  2483         ;;
  2484     *-*-darwin* )
  2485         # This could be either full "Mac OS X", or plain "Darwin" which is
  2486         # just the OS X kernel sans upper layers like Carbon and Cocoa.
  2487         # Next line is broken, and a few files below require Mac OS X (full)
  2488         ARCH=macosx
  2489 
  2490         # Mac OS X builds with both the Carbon and OSX APIs at the moment
  2491         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
  2492         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
  2493 
  2494         # HACK: Reset EXTRA_LDFLAGS; the only thing it contains at this point
  2495         # is -lm which is not needed under Mac OS X. But for some reasons it
  2496         # also tends to contain spurious -L switches, which we don't want to
  2497         # use here or in sdl-config. Hence we reset it.
  2498         EXTRA_LDFLAGS=""
  2499 
  2500         CheckVisibilityHidden
  2501         CheckDummyVideo
  2502         CheckDiskAudio
  2503         CheckDummyAudio
  2504         CheckDLOPEN
  2505 
  2506         # Temporarily disabled:
  2507         # ld: mmxp2_32.o has external relocation entries in non-writable section (__TEXT,__text) for symbols: _mmxreturn
  2508         #CheckNASM
  2509 
  2510         # Set up files for the shared object loading library
  2511         # (this needs to be done before the dynamic X11 check)
  2512         if test x$enable_loadso = xyes -a x$have_dlopen != xyes; then
  2513             AC_DEFINE(SDL_LOADSO_DLCOMPAT)
  2514             SOURCES="$SOURCES $srcdir/src/loadso/macosx/*.c"
  2515             have_loadso=yes
  2516         fi
  2517 
  2518         CheckCOCOA
  2519         CheckCARBON
  2520         CheckX11
  2521         CheckMacGL
  2522         CheckOpenGLX11
  2523         CheckPTHREAD
  2524         CheckAltivec
  2525 
  2526         # Need this or things might misbuild on a G3.
  2527         EXTRA_CFLAGS="$EXTRA_CFLAGS -force_cpusubtype_ALL"
  2528 
  2529         # Set up files for the audio library
  2530         if test x$enable_audio = xyes; then
  2531             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO)
  2532             SOURCES="$SOURCES $srcdir/src/audio/macosx/*.c"
  2533             AC_DEFINE(SDL_AUDIO_DRIVER_SNDMGR)
  2534             SOURCES="$SOURCES $srcdir/src/audio/macrom/*.c"
  2535             have_audio=yes
  2536         fi
  2537         # Set up files for the joystick library
  2538         if test x$enable_joystick = xyes; then
  2539             AC_DEFINE(SDL_JOYSTICK_IOKIT)
  2540             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
  2541             have_joystick=yes
  2542             need_iokit_framework=yes
  2543         fi
  2544         # Set up files for the cdrom library
  2545         if test x$enable_cdrom = xyes; then
  2546             AC_DEFINE(SDL_CDROM_MACOSX)
  2547             SOURCES="$SOURCES $srcdir/src/cdrom/macosx/*.c"
  2548             have_cdrom=yes
  2549         fi
  2550         # Set up files for the timer library
  2551         if test x$enable_timers = xyes; then
  2552             AC_DEFINE(SDL_TIMER_UNIX)
  2553             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2554             have_timers=yes
  2555         fi
  2556         # The Mac OS X platform requires special setup.
  2557         SDLMAIN_SOURCES="$srcdir/src/main/macosx/*.m"
  2558         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  2559         SDL_LIBS="-lSDLmain $SDL_LIBS"
  2560         if test x$enable_video_cocoa = xyes; then
  2561             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
  2562             need_iokit_framework=yes
  2563         fi
  2564         if test x$enable_video_carbon = xyes -o x$enable_video_cocoa = xyes; then
  2565             # The Cocoa backend still needs Carbon, and the YUV code QuickTime
  2566             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuickTime -Wl,-framework,ApplicationServices"
  2567             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
  2568         fi
  2569         # If either the audio or CD driver is used, add the AudioUnit framework
  2570         if test x$enable_audio = xyes -o x$enable_cdrom = xyes; then
  2571             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit"
  2572         fi
  2573         # Some subsystems reference IOKit...
  2574         if test x$need_iokit_framework = xyes; then
  2575             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
  2576         fi
  2577         ;;
  2578     *-*-mint*)
  2579         ARCH=mint
  2580         CheckDummyVideo
  2581         CheckDiskAudio
  2582         CheckDummyAudio
  2583         CheckAtariBiosEvent
  2584         CheckAtariXbiosVideo
  2585         CheckAtariGemVideo
  2586         CheckAtariAudio
  2587         CheckAtariLdg
  2588         CheckAtariOSMesa
  2589         CheckPTH
  2590         # Set up files for the audio library
  2591         if test x$enable_threads = xyes -a x$enable_pth = xyes; then
  2592             if test x$enable_audio = xyes; then
  2593                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO)
  2594                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  2595                 have_audio=yes
  2596             fi
  2597         fi
  2598         # Set up files for the joystick library
  2599         if test x$enable_joystick = xyes; then
  2600             AC_DEFINE(SDL_JOYSTICK_MINT)
  2601             SOURCES="$SOURCES $srcdir/src/joystick/mint/*.c"
  2602             have_joystick=yes
  2603         fi
  2604         # Set up files for the cdrom library
  2605         if test x$enable_cdrom = xyes; then
  2606             AC_DEFINE(SDL_CDROM_MINT)
  2607             SOURCES="$SOURCES $srcdir/src/cdrom/mint/*.c"
  2608             have_cdrom=yes
  2609         fi
  2610         # Set up files for the timer library
  2611         if test x$enable_timers = xyes; then
  2612             if test x$enable_threads = xyes -a x$enable_pth = xyes; then
  2613                 AC_DEFINE(SDL_TIMER_UNIX)
  2614                 SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2615             else
  2616                 AC_DEFINE(SDL_TIMER_MINT)
  2617                 SOURCES="$SOURCES $srcdir/src/timer/mint/*.c"
  2618                 SOURCES="$SOURCES $srcdir/src/timer/mint/*.S"
  2619             fi
  2620             have_timers=yes
  2621         fi
  2622         ;;
  2623     *-riscos)
  2624         ARCH=riscos
  2625         CheckOSS
  2626         CheckPTHREAD
  2627         # Set up files for the video library
  2628         if test x$enable_video = xyes; then
  2629             AC_DEFINE(SDL_VIDEO_DRIVER_RISCOS)
  2630             SOURCES="$SOURCES $srcdir/src/video/riscos/*.c"
  2631             SOURCES="$SOURCES $srcdir/src/video/riscos/*.S"
  2632             have_video=yes
  2633         fi
  2634         # Set up files for the joystick library
  2635         if test x$enable_joystick = xyes; then
  2636             AC_DEFINE(SDL_JOYSTICK_RISCOS)
  2637             SOURCES="$SOURCES $srcdir/src/joystick/riscos/*.c"
  2638             have_joystick=yes
  2639         fi
  2640         # Set up files for the timer library
  2641         if test x$enable_timers = xyes; then
  2642             AC_DEFINE(SDL_TIMER_RISCOS)
  2643             SOURCES="$SOURCES $srcdir/src/timer/riscos/*.c"
  2644             have_timers=yes
  2645         fi
  2646         # The RISC OS platform requires special setup.
  2647         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ljpeg -ltiff -lpng -lz"
  2648         ;;
  2649     *)
  2650         AC_MSG_ERROR([
  2651 *** Unsupported host:  Please add to configure.in
  2652         ])
  2653         ;;
  2654 esac
  2655 
  2656 # Verify that we have all the platform specific files we need
  2657 
  2658 if test x$enable_joystick = xyes; then
  2659   if test x$have_joystick != xyes; then
  2660     # Wants joystick subsystem, but doesn't have a platform-specific backend...
  2661     AC_DEFINE(SDL_JOYSTICK_DUMMY)
  2662     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
  2663   fi
  2664 fi
  2665 if test x$have_cdrom != xyes; then
  2666     if test x$enable_cdrom = xyes; then
  2667         AC_DEFINE(SDL_CDROM_DISABLED)
  2668     fi
  2669     SOURCES="$SOURCES $srcdir/src/cdrom/dummy/*.c"
  2670 fi
  2671 if test x$have_threads != xyes; then
  2672     if test x$enable_threads = xyes; then
  2673         AC_DEFINE(SDL_THREADS_DISABLED)
  2674     fi
  2675     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
  2676 fi
  2677 if test x$have_timers != xyes; then
  2678     if test x$enable_timers = xyes; then
  2679         AC_DEFINE(SDL_TIMERS_DISABLED)
  2680     fi
  2681     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
  2682 fi
  2683 if test x$have_loadso != xyes; then
  2684     if test x$enable_loadso = xyes; then
  2685         AC_DEFINE(SDL_LOADSO_DISABLED)
  2686     fi
  2687     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
  2688 fi
  2689 if test x$SDLMAIN_SOURCES = x; then
  2690     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
  2691 fi
  2692 
  2693 OBJECTS=`echo $SOURCES | sed 's,[[^ ]]*/\([[^ ]]*\)\.asm,$(objects)/\1.lo,g'`
  2694 OBJECTS=`echo $OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.cc,$(objects)/\1.lo,g'`
  2695 OBJECTS=`echo $OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.m,$(objects)/\1.lo,g'`
  2696 OBJECTS=`echo $OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.lo,g'`
  2697 OBJECTS=`echo $OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.S,$(objects)/\1.lo,g'`
  2698 
  2699 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES | sed 's,[[^ ]]*/\([[^ ]]*\)\.cc,$(objects)/\1.o,g'`
  2700 SDLMAIN_OBJECTS=`echo $SDLMAIN_OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.m,$(objects)/\1.o,g'`
  2701 SDLMAIN_OBJECTS=`echo $SDLMAIN_OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  2702 
  2703 # Set runtime shared library paths as needed
  2704 
  2705 if test "x$enable_rpath" = "xyes"; then
  2706   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = irix -o $ARCH = linux -o $ARCH = netbsd; then
  2707     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
  2708   fi
  2709   if test $ARCH = solaris; then
  2710     SDL_RLD_FLAGS="-R\${libdir}"
  2711   fi
  2712 else
  2713   SDL_RLD_FLAGS=""
  2714 fi
  2715 
  2716 case "$ARCH" in
  2717   macosx)
  2718     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  2719       SDL_LIBS="$SDL_LIBS -Wl,-framework,Cocoa"
  2720     fi
  2721     if test x$enable_video = xyes -a x$enable_video_carbon = xyes; then
  2722       SDL_LIBS="$SDL_LIBS -Wl,-framework,Carbon"
  2723     fi
  2724     # Evil hack to allow static linking on Mac OS X
  2725     SDL_STATIC_LIBS="\${libdir}/libSDLmain.a \${libdir}/libSDL.a $EXTRA_LDFLAGS"
  2726     ;;
  2727   *)
  2728     SDL_STATIC_LIBS="$SDL_LIBS"
  2729     ;;
  2730 esac
  2731 
  2732 dnl Expand the cflags and libraries needed by apps using SDL
  2733 AC_SUBST(SDL_CFLAGS)
  2734 AC_SUBST(SDL_LIBS)
  2735 AC_SUBST(SDL_STATIC_LIBS)
  2736 AC_SUBST(SDL_RLD_FLAGS)
  2737 if test x$enable_shared = xyes; then
  2738     ENABLE_SHARED_TRUE=
  2739     ENABLE_SHARED_FALSE="#"
  2740 else
  2741     ENABLE_SHARED_TRUE="#"
  2742     ENABLE_SHARED_FALSE=
  2743 fi
  2744 if test x$enable_static = xyes; then
  2745     ENABLE_STATIC_TRUE=
  2746     ENABLE_STATIC_FALSE="#"
  2747 else
  2748     ENABLE_STATIC_TRUE="#"
  2749     ENABLE_STATIC_FALSE=
  2750 fi
  2751 AC_SUBST(ENABLE_SHARED_TRUE)
  2752 AC_SUBST(ENABLE_SHARED_FALSE)
  2753 AC_SUBST(ENABLE_STATIC_TRUE)
  2754 AC_SUBST(ENABLE_STATIC_FALSE)
  2755 
  2756 dnl Expand the sources and objects needed to build the library
  2757 AC_SUBST(ac_aux_dir)
  2758 AC_SUBST(INCLUDE)
  2759 AC_SUBST(SOURCES)
  2760 AC_SUBST(OBJECTS)
  2761 AC_SUBST(SDLMAIN_SOURCES)
  2762 AC_SUBST(SDLMAIN_OBJECTS)
  2763 AC_SUBST(BUILD_CFLAGS)
  2764 AC_SUBST(EXTRA_CFLAGS)
  2765 AC_SUBST(BUILD_LDFLAGS)
  2766 AC_SUBST(EXTRA_LDFLAGS)
  2767 
  2768 AC_OUTPUT([
  2769     Makefile sdl-config SDL.spec SDL.qpg sdl.pc
  2770 ], [
  2771     : >build-deps
  2772     if test x"$MAKE" = x; then MAKE=make; fi; $MAKE depend
  2773 ])