configure.in
author Ryan C. Gordon <icculus@icculus.org>
Thu, 13 Oct 2011 16:35:25 -0400
branchSDL-1.2
changeset 5987 825e1072eac6
parent 5976 081c94f2c04a
child 6112 60dfd25009b0
permissions -rw-r--r--
Don't warn about multichar characters on BeOS/Haiku.

The system headers use them generously.
     1 dnl Process this file with autoconf to produce a configure script.
     2 AC_INIT(README)
     3 AC_CONFIG_HEADER(include/SDL_config.h)
     4 AC_GNU_SOURCE
     5 AC_CONFIG_AUX_DIRS($srcdir/build-scripts)
     6 
     7 dnl Set various version strings - taken gratefully from the GTk sources
     8 #
     9 # Making releases:
    10 # Edit include/SDL/SDL_version.h and change the version, then:
    11 #   SDL_MICRO_VERSION += 1;
    12 #   SDL_INTERFACE_AGE += 1;
    13 #   SDL_BINARY_AGE += 1;
    14 # if any functions have been added, set SDL_INTERFACE_AGE to 0.
    15 # if backwards compatibility has been broken,
    16 # set SDL_BINARY_AGE and SDL_INTERFACE_AGE to 0.
    17 #
    18 SDL_MAJOR_VERSION=1
    19 SDL_MINOR_VERSION=2
    20 SDL_MICRO_VERSION=14
    21 SDL_INTERFACE_AGE=3
    22 SDL_BINARY_AGE=14
    23 SDL_VERSION=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION.$SDL_MICRO_VERSION
    24 
    25 AC_SUBST(SDL_MAJOR_VERSION)
    26 AC_SUBST(SDL_MINOR_VERSION)
    27 AC_SUBST(SDL_MICRO_VERSION)
    28 AC_SUBST(SDL_INTERFACE_AGE)
    29 AC_SUBST(SDL_BINARY_AGE)
    30 AC_SUBST(SDL_VERSION)
    31 
    32 # libtool versioning
    33 LT_INIT([win32-dll])
    34 
    35 LT_RELEASE=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION
    36 LT_CURRENT=`expr $SDL_MICRO_VERSION - $SDL_INTERFACE_AGE`
    37 LT_REVISION=$SDL_INTERFACE_AGE
    38 LT_AGE=`expr $SDL_BINARY_AGE - $SDL_INTERFACE_AGE`
    39 m4_pattern_allow([^LT_])
    40 
    41 AC_SUBST(LT_RELEASE)
    42 AC_SUBST(LT_CURRENT)
    43 AC_SUBST(LT_REVISION)
    44 AC_SUBST(LT_AGE)
    45 
    46 dnl Detect the canonical build and host environments
    47 AC_CONFIG_AUX_DIR([build-scripts])
    48 dnl AC_CANONICAL_HOST
    49 AC_C_BIGENDIAN
    50 if test x$ac_cv_c_bigendian = xyes; then
    51     AC_DEFINE(SDL_BYTEORDER, 4321)
    52 else
    53     AC_DEFINE(SDL_BYTEORDER, 1234)
    54 fi
    55 
    56 dnl Check for tools
    57 AC_PROG_LIBTOOL
    58 AC_PROG_CC
    59 AC_PROG_CXX
    60 AC_PROG_INSTALL
    61 AC_PROG_MAKE_SET
    62 AC_CHECK_TOOL(WINDRES, [windres], [:])
    63 
    64 dnl Set up the compiler and linker flags
    65 INCLUDE="-I$srcdir/include"
    66 if test x$srcdir != x.; then
    67     # Remove SDL_config.h from the source directory, since it's the
    68     # default one, and we want to include the one that we generate.
    69     if test -f $srcdir/include/SDL_config.h; then
    70         rm $srcdir/include/SDL_config.h
    71     fi
    72     INCLUDE="-Iinclude $INCLUDE"
    73 fi
    74 case "$host" in
    75     *-*-cygwin*)
    76         # We build SDL on cygwin without the UNIX emulation layer
    77         BASE_CFLAGS="-I/usr/include/mingw -mno-cygwin"
    78         BASE_LDFLAGS="-mno-cygwin"
    79         ;;
    80     *)
    81         BASE_CFLAGS="-D_GNU_SOURCE=1"
    82         BASE_LDFLAGS=""
    83         ;;
    84 esac
    85 BUILD_CFLAGS="$CFLAGS $CPPFLAGS"
    86 EXTRA_CFLAGS="$INCLUDE $BASE_CFLAGS"
    87 BUILD_LDFLAGS="$LDFLAGS"
    88 EXTRA_LDFLAGS="$BASE_LDFLAGS"
    89 ## These are common directories to find software packages
    90 #for path in /usr/freeware /usr/pkg /usr/X11R6 /usr/local; do
    91 #    if test -d $path/include; then
    92 #        EXTRA_CFLAGS="$EXTRA_CFLAGS -I$path/include"
    93 #    fi
    94 #    if test -d $path/lib; then
    95 #        EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L$path/lib"
    96 #    fi
    97 #done
    98 SDL_CFLAGS="$BASE_CFLAGS"
    99 SDL_LIBS="-lSDL $BASE_LDFLAGS"
   100 CPPFLAGS="$CPPFLAGS $EXTRA_CFLAGS"
   101 CFLAGS="$CFLAGS $EXTRA_CFLAGS"
   102 LDFLAGS="$LDFLAGS $EXTRA_LDFLAGS"
   103 
   104 dnl set this to use on systems that use lib64 instead of lib
   105 base_libdir=`echo \${libdir} | sed 's/.*\/\(.*\)/\1/; q'`
   106 
   107 dnl Function to find a library in the compiler search path
   108 find_lib()
   109 {
   110     gcc_bin_path=[`$CC -print-search-dirs 2>/dev/null | fgrep programs: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
   111     gcc_lib_path=[`$CC -print-search-dirs 2>/dev/null | fgrep libraries: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
   112     env_lib_path=[`echo $LIBS $LDFLAGS $* | sed 's/-L[ ]*//g'`]
   113     if test "$cross_compiling" = yes; then
   114         host_lib_path=""
   115     else
   116         host_lib_path="/usr/$base_libdir /usr/local/$base_libdir"
   117     fi
   118     for path in $gcc_bin_path $gcc_lib_path $env_lib_path $host_lib_path; do
   119         lib=[`ls -- $path/$1 2>/dev/null | sort | sed 's/.*\/\(.*\)/\1/; q'`]
   120         if test x$lib != x; then
   121             echo $lib
   122             return
   123         fi
   124     done
   125 }
   126 
   127 dnl Check for compiler characteristics
   128 AC_C_CONST
   129 AC_C_INLINE
   130 AC_C_VOLATILE
   131 
   132 dnl See whether we are allowed to use the system C library
   133 AC_ARG_ENABLE(libc,
   134 AC_HELP_STRING([--enable-libc], [Use the system C library [[default=yes]]]),
   135               , enable_libc=yes)
   136 if test x$enable_libc = xyes; then
   137     AC_DEFINE(HAVE_LIBC)
   138 
   139     dnl Check for C library headers
   140     AC_HEADER_STDC
   141     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)
   142 
   143     dnl Check for typedefs, structures, etc.
   144     AC_TYPE_SIZE_T
   145     if test x$ac_cv_header_inttypes_h = xyes -o x$ac_cv_header_stdint_h = xyes; then
   146         AC_CHECK_TYPE(int64_t)
   147         if test x$ac_cv_type_int64_t = xyes; then
   148             AC_DEFINE(SDL_HAS_64BIT_TYPE)
   149         fi
   150         have_inttypes=yes
   151     fi
   152 
   153     dnl Checks for library functions.
   154     case "$host" in
   155     *-*-cygwin* | *-*-mingw32*)
   156         ;;
   157     *)
   158         AC_FUNC_ALLOCA
   159         ;;
   160     esac
   161 
   162     AC_FUNC_MEMCMP
   163     if test x$ac_cv_func_memcmp_working = xyes; then
   164         AC_DEFINE(HAVE_MEMCMP)
   165     fi
   166     AC_FUNC_STRTOD
   167     if test x$ac_cv_func_strtod = xyes; then
   168         AC_DEFINE(HAVE_STRTOD)
   169     fi
   170     AC_CHECK_FUNC(mprotect,
   171         AC_TRY_COMPILE([
   172           #include <sys/types.h>
   173           #include <sys/mman.h>
   174         ],[
   175         ],[
   176         AC_DEFINE(HAVE_MPROTECT)
   177         ]),
   178     )
   179     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)
   180 
   181     AC_CHECK_LIB(iconv, libiconv_open, [EXTRA_LDFLAGS="$EXTRA_LDFLAGS -liconv"])
   182     AC_CHECK_LIB(m, pow, [EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm"])
   183 
   184     AC_CHECK_MEMBER(struct sigaction.sa_sigaction,[AC_DEFINE(HAVE_SA_SIGACTION)], ,[#include <signal.h>])
   185 fi
   186 
   187 if test x$have_inttypes != xyes; then
   188     AC_CHECK_SIZEOF(char, 1)
   189     AC_CHECK_SIZEOF(short, 2)
   190     AC_CHECK_SIZEOF(int, 4)
   191     AC_CHECK_SIZEOF(long, 4)
   192     AC_CHECK_SIZEOF(long long, 8)
   193     if test x$ac_cv_sizeof_char = x1; then
   194         AC_DEFINE(int8_t, signed char)
   195         AC_DEFINE(uint8_t, unsigned char)
   196     fi
   197     if test x$ac_cv_sizeof_short = x2; then
   198         AC_DEFINE(int16_t, signed short)
   199         AC_DEFINE(uint16_t, unsigned short)
   200     else
   201         if test x$ac_cv_sizeof_int = x2; then
   202             AC_DEFINE(int16_t, signed int)
   203             AC_DEFINE(uint16_t, unsigned int)
   204         fi
   205     fi
   206     if test x$ac_cv_sizeof_int = x4; then
   207         AC_DEFINE(int32_t, signed int)
   208         AC_DEFINE(uint32_t, unsigned int)
   209     else
   210         if test x$ac_cv_sizeof_long = x4; then
   211             AC_DEFINE(int32_t, signed long)
   212             AC_DEFINE(uint32_t, unsigned long)
   213         fi
   214     fi
   215     if test x$ac_cv_sizeof_long = x8; then
   216         AC_DEFINE(int64_t, signed long)
   217         AC_DEFINE(uint64_t, unsigned long)
   218         AC_DEFINE(SDL_HAS_64BIT_TYPE)
   219     else
   220         if test x$ac_cv_sizeof_long_long = x8; then
   221             AC_DEFINE(int64_t, signed long long)
   222             AC_DEFINE(uint64_t, unsigned long long)
   223             AC_DEFINE(SDL_HAS_64BIT_TYPE)
   224         fi
   225     fi
   226     AC_DEFINE(size_t, unsigned int)
   227     AC_DEFINE(uintptr_t, unsigned long)
   228 fi
   229 
   230 # Standard C sources
   231 SOURCES="$SOURCES $srcdir/src/*.c"
   232 SOURCES="$SOURCES $srcdir/src/audio/*.c"
   233 SOURCES="$SOURCES $srcdir/src/cdrom/*.c"
   234 SOURCES="$SOURCES $srcdir/src/cpuinfo/*.c"
   235 SOURCES="$SOURCES $srcdir/src/events/*.c"
   236 SOURCES="$SOURCES $srcdir/src/file/*.c"
   237 SOURCES="$SOURCES $srcdir/src/stdlib/*.c"
   238 SOURCES="$SOURCES $srcdir/src/thread/*.c"
   239 SOURCES="$SOURCES $srcdir/src/timer/*.c"
   240 SOURCES="$SOURCES $srcdir/src/video/*.c"
   241 
   242 dnl Enable/disable various subsystems of the SDL library
   243 
   244 AC_ARG_ENABLE(audio,
   245 AC_HELP_STRING([--enable-audio], [Enable the audio subsystem [[default=yes]]]),
   246               , enable_audio=yes)
   247 if test x$enable_audio != xyes; then
   248     AC_DEFINE(SDL_AUDIO_DISABLED)
   249 fi
   250 AC_ARG_ENABLE(video,
   251 AC_HELP_STRING([--enable-video], [Enable the video subsystem [[default=yes]]]),
   252               , enable_video=yes)
   253 if test x$enable_video != xyes; then
   254     AC_DEFINE(SDL_VIDEO_DISABLED)
   255 fi
   256 AC_ARG_ENABLE(events,
   257 AC_HELP_STRING([--enable-events], [Enable the events subsystem [[default=yes]]]),
   258               , enable_events=yes)
   259 if test x$enable_events != xyes; then
   260     AC_DEFINE(SDL_EVENTS_DISABLED)
   261 fi
   262 AC_ARG_ENABLE(joystick,
   263 AC_HELP_STRING([--enable-joystick], [Enable the joystick subsystem [[default=yes]]]),
   264               , enable_joystick=yes)
   265 if test x$enable_joystick != xyes; then
   266     AC_DEFINE(SDL_JOYSTICK_DISABLED)
   267 else
   268     SOURCES="$SOURCES $srcdir/src/joystick/*.c"
   269 fi
   270 AC_ARG_ENABLE(cdrom,
   271 AC_HELP_STRING([--enable-cdrom], [Enable the cdrom subsystem [[default=yes]]]),
   272               , enable_cdrom=yes)
   273 if test x$enable_cdrom != xyes; then
   274     AC_DEFINE(SDL_CDROM_DISABLED)
   275 fi
   276 AC_ARG_ENABLE(threads,
   277 AC_HELP_STRING([--enable-threads], [Enable the threading subsystem [[default=yes]]]),
   278               , enable_threads=yes)
   279 if test x$enable_threads != xyes; then
   280     AC_DEFINE(SDL_THREADS_DISABLED)
   281 fi
   282 AC_ARG_ENABLE(timers,
   283 AC_HELP_STRING([--enable-timers], [Enable the timer subsystem [[default=yes]]]),
   284               , enable_timers=yes)
   285 if test x$enable_timers != xyes; then
   286     AC_DEFINE(SDL_TIMERS_DISABLED)
   287 fi
   288 AC_ARG_ENABLE(file,
   289 AC_HELP_STRING([--enable-file], [Enable the file subsystem [[default=yes]]]),
   290               , enable_file=yes)
   291 if test x$enable_file != xyes; then
   292     AC_DEFINE(SDL_FILE_DISABLED)
   293 fi
   294 AC_ARG_ENABLE(loadso,
   295 AC_HELP_STRING([--enable-loadso], [Enable the shared object loading subsystem [[default=yes]]]),
   296               , enable_loadso=yes)
   297 if test x$enable_loadso != xyes; then
   298     AC_DEFINE(SDL_LOADSO_DISABLED)
   299 fi
   300 AC_ARG_ENABLE(cpuinfo,
   301 AC_HELP_STRING([--enable-cpuinfo], [Enable the cpuinfo subsystem [[default=yes]]]),
   302               , enable_cpuinfo=yes)
   303 if test x$enable_cpuinfo != xyes; then
   304     AC_DEFINE(SDL_CPUINFO_DISABLED)
   305 fi
   306 AC_ARG_ENABLE(assembly,
   307 AC_HELP_STRING([--enable-assembly], [Enable assembly routines [[default=yes]]]),
   308               , enable_assembly=yes)
   309 if test x$enable_assembly = xyes; then
   310     AC_DEFINE(SDL_ASSEMBLY_ROUTINES)
   311 fi
   312 
   313 dnl See if the OSS audio interface is supported
   314 CheckOSS()
   315 {
   316     AC_ARG_ENABLE(oss,
   317 AC_HELP_STRING([--enable-oss], [support the OSS audio API [[default=yes]]]),
   318                   , enable_oss=yes)
   319     if test x$enable_audio = xyes -a x$enable_oss = xyes; then
   320         AC_MSG_CHECKING(for OSS audio support)
   321         have_oss=no
   322         if test x$have_oss != xyes; then
   323             AC_TRY_COMPILE([
   324               #include <sys/soundcard.h>
   325             ],[
   326               int arg = SNDCTL_DSP_SETFRAGMENT;
   327             ],[
   328             have_oss=yes
   329             ])
   330         fi
   331         if test x$have_oss != xyes; then
   332             AC_TRY_COMPILE([
   333               #include <soundcard.h>
   334             ],[
   335               int arg = SNDCTL_DSP_SETFRAGMENT;
   336             ],[
   337             have_oss=yes
   338             AC_DEFINE(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H)
   339             ])
   340         fi
   341         AC_MSG_RESULT($have_oss)
   342         if test x$have_oss = xyes; then
   343             AC_DEFINE(SDL_AUDIO_DRIVER_OSS)
   344             SOURCES="$SOURCES $srcdir/src/audio/dsp/*.c"
   345             SOURCES="$SOURCES $srcdir/src/audio/dma/*.c"
   346             have_audio=yes
   347 
   348             # We may need to link with ossaudio emulation library
   349             case "$host" in
   350                 *-*-openbsd*|*-*-netbsd*)
   351                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lossaudio";;
   352             esac
   353         fi
   354     fi
   355 }
   356 
   357 dnl See if the ALSA audio interface is supported
   358 CheckALSA()
   359 {
   360     AC_ARG_ENABLE(alsa,
   361 AC_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),
   362                   , enable_alsa=yes)
   363     if test x$enable_audio = xyes -a x$enable_alsa = xyes; then
   364         AM_PATH_ALSA(0.9.0, have_alsa=yes, have_alsa=no)
   365         # Restore all flags from before the ALSA detection runs
   366         CFLAGS="$alsa_save_CFLAGS"
   367         LDFLAGS="$alsa_save_LDFLAGS"
   368         LIBS="$alsa_save_LIBS"
   369         if test x$have_alsa = xyes; then
   370             AC_ARG_ENABLE(alsa-shared,
   371 AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
   372                           , enable_alsa_shared=yes)
   373             alsa_lib=[`find_lib "libasound.so.*" "$ALSA_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   374 
   375             AC_DEFINE(SDL_AUDIO_DRIVER_ALSA)
   376             SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c"
   377             EXTRA_CFLAGS="$EXTRA_CFLAGS $ALSA_CFLAGS"
   378             if test x$have_loadso != xyes && \
   379                test x$enable_alsa_shared = xyes; then
   380                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading])
   381             fi
   382             if test x$have_loadso = xyes && \
   383                test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then
   384                 echo "-- dynamic libasound -> $alsa_lib"
   385                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ALSA_DYNAMIC, "$alsa_lib")
   386             else
   387                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ALSA_LIBS"
   388             fi
   389             have_audio=yes
   390         fi
   391     fi
   392 }
   393 
   394 dnl Check whether we want to use IRIX 6.5+ native audio or not
   395 CheckDMEDIA()
   396 {
   397     if test x$enable_audio = xyes; then
   398         AC_MSG_CHECKING(for dmedia audio support)
   399         have_dmedia=no
   400         AC_TRY_COMPILE([
   401           #include <dmedia/audio.h>
   402         ],[
   403           ALport audio_port;
   404         ],[
   405         have_dmedia=yes
   406         ])
   407         AC_MSG_RESULT($have_dmedia)
   408         # Set up files for the audio library
   409         if test x$have_dmedia = xyes; then
   410             AC_DEFINE(SDL_AUDIO_DRIVER_DMEDIA)
   411             SOURCES="$SOURCES $srcdir/src/audio/dmedia/*.c"
   412             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -laudio"
   413             have_audio=yes
   414         fi
   415     fi
   416 }
   417 
   418 dnl Check whether we want to use Tru64 UNIX native audio or not
   419 CheckMME()
   420 {
   421     dnl Make sure we are running on an Tru64 UNIX
   422     case $ARCH in
   423         osf)
   424             ;;
   425         *)
   426             return
   427             ;;
   428     esac
   429     if test x$enable_audio = xyes; then
   430         AC_MSG_CHECKING(for MME audio support)
   431         MME_CFLAGS="-I/usr/include/mme"
   432         MME_LIBS="-lmme"
   433         have_mme=no
   434         save_CFLAGS="$CFLAGS"
   435         CFLAGS="$CFLAGS $MME_CFLAGS"
   436         AC_TRY_COMPILE([
   437           #include <mme_api.h>
   438         ],[
   439           HWAVEOUT sound;
   440         ],[
   441         have_mme=yes
   442         ])
   443         CFLAGS="$save_CFLAGS"
   444         AC_MSG_RESULT($have_mme)
   445         # Set up files for the audio library
   446         if test x$have_mme = xyes; then
   447             AC_DEFINE(SDL_AUDIO_DRIVER_MMEAUDIO)
   448             SOURCES="$SOURCES $srcdir/src/audio/mme/*.c"
   449             EXTRA_CFLAGS="$EXTRA_CFLAGS $MME_CFLAGS"
   450             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MME_LIBS"
   451             have_audio=yes
   452         fi
   453     fi
   454 }
   455 
   456 dnl Find the ESD includes and libraries
   457 CheckESD()
   458 {
   459     AC_ARG_ENABLE(esd,
   460 AC_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),
   461                   , enable_esd=yes)
   462     if test x$enable_audio = xyes -a x$enable_esd = xyes; then
   463         AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no)
   464         if test x$have_esd = xyes; then
   465             AC_ARG_ENABLE(esd-shared,
   466 AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
   467                           , enable_esd_shared=yes)
   468             esd_lib=[`find_lib "libesd.so.*" "$ESD_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   469 
   470             AC_DEFINE(SDL_AUDIO_DRIVER_ESD)
   471             SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"
   472             EXTRA_CFLAGS="$EXTRA_CFLAGS $ESD_CFLAGS"
   473             if test x$have_loadso != xyes && \
   474                test x$enable_esd_shared = xyes; then
   475                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading])
   476             fi
   477             if test x$have_loadso = xyes && \
   478                test x$enable_esd_shared = xyes && test x$esd_lib != x; then
   479                 echo "-- dynamic libesd -> $esd_lib"
   480                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib")
   481             else
   482                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ESD_LIBS"
   483             fi
   484             have_audio=yes
   485         fi
   486     fi
   487 }
   488 
   489 dnl Find PulseAudio
   490 CheckPulseAudio()
   491 {
   492     AC_ARG_ENABLE(pulseaudio,
   493 AC_HELP_STRING([--enable-pulseaudio], [use PulseAudio [[default=yes]]]),
   494                   , enable_pulseaudio=yes)
   495     if test x$enable_audio = xyes -a x$enable_pulseaudio = xyes; then
   496         audio_pulse=no
   497 
   498         PULSE_REQUIRED_VERSION=0.9
   499 
   500         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
   501         AC_MSG_CHECKING(for PulseAudio $PULSE_REQUIRED_VERSION support)
   502         if test x$PKG_CONFIG != xno; then
   503             if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $PULSE_REQUIRED_VERSION libpulse-simple; then
   504                 PULSE_CFLAGS=`$PKG_CONFIG --cflags libpulse-simple`
   505                 PULSE_LIBS=`$PKG_CONFIG --libs libpulse-simple`
   506                 audio_pulse=yes
   507             fi
   508         fi
   509         AC_MSG_RESULT($audio_pulse)
   510 
   511         if test x$audio_pulse = xyes; then
   512             AC_ARG_ENABLE(pulseaudio-shared,
   513 AC_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [[default=yes]]]),
   514                           , enable_pulseaudio_shared=yes)
   515             pulse_lib=[`find_lib "libpulse-simple.so.*" "$PULSE_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   516 
   517             AC_DEFINE(SDL_AUDIO_DRIVER_PULSE)
   518             SOURCES="$SOURCES $srcdir/src/audio/pulse/*.c"
   519             EXTRA_CFLAGS="$EXTRA_CFLAGS $PULSE_CFLAGS"
   520             if test x$have_loadso != xyes && \
   521                test x$enable_pulseaudio_shared = xyes; then
   522                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic PulseAudio loading])
   523             fi
   524             if test x$have_loadso = xyes && \
   525                test x$enable_pulseaudio_shared = xyes && test x$pulse_lib != x; then
   526                 echo "-- dynamic libpulse-simple -> $pulse_lib"
   527                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_PULSE_DYNAMIC, "$pulse_lib")
   528             else
   529                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $PULSE_LIBS"
   530             fi
   531             have_audio=yes
   532         fi
   533     fi
   534 }
   535 
   536 CheckARTSC()
   537 {
   538     AC_ARG_ENABLE(arts,
   539 AC_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),
   540                   , enable_arts=yes)
   541     if test x$enable_audio = xyes -a x$enable_arts = xyes; then
   542         AC_PATH_PROG(ARTSCONFIG, artsc-config)
   543         if test x$ARTSCONFIG = x -o x$ARTSCONFIG = x'"$ARTSCONFIG"'; then
   544             : # arts isn't installed
   545         else
   546             ARTS_CFLAGS=`$ARTSCONFIG --cflags`
   547             ARTS_LIBS=`$ARTSCONFIG --libs`
   548             AC_MSG_CHECKING(for aRts development environment)
   549             audio_arts=no
   550             save_CFLAGS="$CFLAGS"
   551             CFLAGS="$CFLAGS $ARTS_CFLAGS"
   552             AC_TRY_COMPILE([
   553              #include <artsc.h>
   554             ],[
   555              arts_stream_t stream;
   556             ],[
   557             audio_arts=yes
   558             ])
   559             CFLAGS="$save_CFLAGS"
   560             AC_MSG_RESULT($audio_arts)
   561             if test x$audio_arts = xyes; then
   562                 AC_ARG_ENABLE(arts-shared,
   563 AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
   564                               , enable_arts_shared=yes)
   565                 arts_lib=[`find_lib "libartsc.so.*" "$ARTS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   566 
   567                 AC_DEFINE(SDL_AUDIO_DRIVER_ARTS)
   568                 SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"
   569                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ARTS_CFLAGS"
   570                 if test x$have_loadso != xyes && \
   571                    test x$enable_arts_shared = xyes; then
   572                     AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading])
   573                 fi
   574                 if test x$have_loadso = xyes && \
   575                    test x$enable_arts_shared = xyes && test x$arts_lib != x; then
   576                     echo "-- dynamic libartsc -> $arts_lib"
   577                     AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib")
   578                 else
   579                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARTS_LIBS"
   580                 fi
   581                 have_audio=yes
   582             fi
   583         fi
   584     fi
   585 }
   586 
   587 dnl See if the NAS audio interface is supported
   588 CheckNAS()
   589 {
   590     AC_ARG_ENABLE(nas,
   591 AC_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),
   592                   , enable_nas=yes)
   593     if test x$enable_audio = xyes -a x$enable_nas = xyes; then
   594         AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes)
   595         AC_CHECK_LIB(audio, AuOpenServer, have_nas_lib=yes)
   596 
   597         AC_MSG_CHECKING(for NAS audio support)
   598         have_nas=no
   599 
   600         if test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then
   601             have_nas=yes
   602             NAS_LIBS="-laudio"
   603 
   604         elif test -r /usr/X11R6/include/audio/audiolib.h; then
   605             have_nas=yes
   606             NAS_CFLAGS="-I/usr/X11R6/include/"
   607             NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"
   608 
   609         dnl On IRIX, the NAS includes are in a different directory,
   610         dnl and libnas must be explicitly linked in
   611 
   612         elif test -r /usr/freeware/include/nas/audiolib.h; then
   613             have_nas=yes
   614             NAS_LIBS="-lnas -lXt"
   615         fi
   616 
   617         AC_MSG_RESULT($have_nas)
   618 
   619         if test x$have_nas = xyes; then
   620             AC_ARG_ENABLE(nas-shared,
   621 AC_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [[default=yes]]]),
   622                           , enable_nas_shared=yes)
   623             nas_lib=[`find_lib "libaudio.so.*" "$NAS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   624 
   625             if test x$have_loadso != xyes && \
   626                test x$enable_nas_shared = xyes; then
   627                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic NAS loading])
   628             fi
   629             if test x$have_loadso = xyes && \
   630                test x$enable_nas_shared = xyes && test x$nas_lib != x; then
   631                 echo "-- dynamic libaudio -> $nas_lib"
   632                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_NAS_DYNAMIC, "$nas_lib")
   633             else
   634                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS"
   635             fi
   636 
   637             AC_DEFINE(SDL_AUDIO_DRIVER_NAS)
   638             SOURCES="$SOURCES $srcdir/src/audio/nas/*.c"
   639             EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS"
   640             have_audio=yes
   641         fi
   642     fi
   643 }
   644 
   645 dnl rcg07142001 See if the user wants the disk writer audio driver...
   646 CheckDiskAudio()
   647 {
   648     AC_ARG_ENABLE(diskaudio,
   649 AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
   650                   , enable_diskaudio=yes)
   651     if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then
   652         AC_DEFINE(SDL_AUDIO_DRIVER_DISK)
   653         SOURCES="$SOURCES $srcdir/src/audio/disk/*.c"
   654     fi
   655 }
   656 
   657 dnl rcg03142006 See if the user wants the dummy audio driver...
   658 CheckDummyAudio()
   659 {
   660     AC_ARG_ENABLE(dummyaudio,
   661 AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
   662                   , enable_dummyaudio=yes)
   663     if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then
   664         AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY)
   665         SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c"
   666     fi
   667 }
   668 
   669 dnl Set up the Atari Audio driver
   670 CheckAtariAudio()
   671 {
   672     AC_ARG_ENABLE(mintaudio,
   673 AC_HELP_STRING([--enable-mintaudio], [support Atari audio driver [[default=yes]]]),
   674                   , enable_mintaudio=yes)
   675     if test x$enable_audio = xyes -a x$enable_mintaudio = xyes; then
   676         mintaudio=no
   677         AC_CHECK_HEADER(mint/falcon.h, have_mint_falcon_hdr=yes)
   678         if test x$have_mint_falcon_hdr = xyes; then
   679             mintaudio=yes
   680             AC_DEFINE(SDL_AUDIO_DRIVER_MINT)
   681             SOURCES="$SOURCES $srcdir/src/audio/mint/*.c"
   682             SOURCES="$SOURCES $srcdir/src/audio/mint/*.S"
   683             have_audio=yes
   684         fi
   685     fi
   686 }
   687 
   688 dnl See if we can use x86 assembly blitters
   689 # NASM is available from: http://nasm.sourceforge.net
   690 CheckNASM()
   691 {
   692     dnl Make sure we are running on an x86 platform
   693     case $host in
   694         i?86*)
   695             ;;
   696         *)
   697         # Nope, bail early.
   698             return
   699             ;;
   700     esac
   701 
   702     dnl Mac OS X might report itself as "i386" but generate x86_64 code.
   703     dnl  So see what size we think a pointer is, and bail if not 32-bit.
   704     AC_CHECK_SIZEOF([void *], 4)
   705     if test x$ac_cv_sizeof_void_p != x4; then
   706         return
   707     fi
   708 
   709     dnl Check for NASM (for assembly blit routines)
   710     AC_ARG_ENABLE(nasm,
   711 AC_HELP_STRING([--enable-nasm], [use nasm assembly blitters on x86 [[default=yes]]]),
   712                   , enable_nasm=yes)
   713     if test x$enable_video = xyes -a x$enable_assembly = xyes -a x$enable_nasm = xyes; then
   714         CompileNASM()
   715         {
   716             # Usage: CompileNASM <filename>
   717             AC_MSG_CHECKING(to see if $NASM supports $1)
   718             if $NASM $NASMFLAGS $1 -o $1.o >&AS_MESSAGE_LOG_FD 2>&1; then
   719                 CompileNASM_ret="yes"
   720             else
   721                 CompileNASM_ret="no"
   722             fi
   723             rm -f $1 $1.o
   724             AC_MSG_RESULT($CompileNASM_ret)
   725             test "$CompileNASM_ret" = "yes"
   726         }
   727 
   728         if test x"$NASMFLAGS" = x; then
   729             case $ARCH in
   730               win32)
   731                   NASMFLAGS="-f win32"
   732                   ;;
   733               macosx)
   734                   NASMFLAGS="-f macho"
   735                   ;;
   736               *)
   737                   NASMFLAGS="-f elf32"
   738                   ;;
   739             esac
   740         fi
   741 
   742         AC_PATH_PROG(NASM, nasm)
   743         echo "%ifidn __OUTPUT_FORMAT__,elf32" > unquoted-sections
   744         echo "section .note.GNU-stack noalloc noexec nowrite progbits" >> unquoted-sections
   745         echo "%endif" >> unquoted-sections
   746         CompileNASM unquoted-sections || NASM=""
   747 
   748         if test "x$NASM" != x -a "x$NASM" != x'"$NASM"'; then
   749             AC_DEFINE(SDL_HERMES_BLITTERS)
   750             SOURCES="$SOURCES $srcdir/src/hermes/*.asm"
   751             NASMFLAGS="$NASMFLAGS -I $srcdir/src/hermes/"
   752 
   753             dnl See if hidden visibility is supported
   754             echo "GLOBAL _bar:function hidden" > symbol-visibility
   755             echo "_bar:" >> symbol-visibility
   756             CompileNASM symbol-visibility && NASMFLAGS="$NASMFLAGS -DHIDDEN_VISIBILITY"
   757 
   758             AC_SUBST(NASM)
   759             AC_SUBST(NASMFLAGS)
   760 
   761             case "$host" in
   762                 # this line is needed for QNX, because it's not defined the __ELF__
   763                 *-*-qnx*)
   764                      EXTRA_CFLAGS="$EXTRA_CFLAGS -D__ELF__";;
   765                 *-*-solaris*)
   766                      EXTRA_CFLAGS="$EXTRA_CFLAGS -D__ELF__";;
   767             esac
   768         fi
   769     fi
   770 }
   771 
   772 dnl Check for altivec instruction support using gas syntax
   773 CheckAltivec()
   774 {
   775     AC_ARG_ENABLE(altivec,
   776 AC_HELP_STRING([--enable-altivec], [use altivec assembly blitters on PPC [[default=yes]]]),
   777                   , enable_altivec=yes)
   778     if test x$enable_video = xyes -a x$enable_assembly = xyes -a x$enable_altivec = xyes; then
   779         save_CFLAGS="$CFLAGS"
   780         have_gcc_altivec=no
   781         have_altivec_h_hdr=no
   782         altivec_CFLAGS="-maltivec"
   783         CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   784 
   785         AC_MSG_CHECKING(for Altivec with GCC altivec.h and -maltivec option)
   786         AC_TRY_COMPILE([
   787         #include <altivec.h>
   788         vector unsigned int vzero() {
   789             return vec_splat_u32(0);
   790         }
   791         ],[
   792         ],[
   793         have_gcc_altivec=yes
   794         have_altivec_h_hdr=yes
   795         ])
   796         AC_MSG_RESULT($have_gcc_altivec)
   797 
   798         if test x$have_gcc_altivec = xno; then
   799             AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
   800             AC_TRY_COMPILE([
   801             vector unsigned int vzero() {
   802                 return vec_splat_u32(0);
   803             }
   804             ],[
   805             ],[
   806             have_gcc_altivec=yes
   807             ])
   808             AC_MSG_RESULT($have_gcc_altivec)
   809         fi
   810 
   811         if test x$have_gcc_altivec = xno; then
   812             AC_MSG_CHECKING(for Altivec with GCC altivec.h and -faltivec option)
   813             altivec_CFLAGS="-faltivec"
   814             CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   815             AC_TRY_COMPILE([
   816             #include <altivec.h>
   817             vector unsigned int vzero() {
   818                 return vec_splat_u32(0);
   819             }
   820             ],[
   821             ],[
   822             have_gcc_altivec=yes
   823             have_altivec_h_hdr=yes
   824             ])
   825             AC_MSG_RESULT($have_gcc_altivec)
   826 	fi
   827 
   828         if test x$have_gcc_altivec = xno; then
   829             AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
   830             AC_TRY_COMPILE([
   831             vector unsigned int vzero() {
   832                 return vec_splat_u32(0);
   833             }
   834             ],[
   835             ],[
   836             have_gcc_altivec=yes
   837             ])
   838             AC_MSG_RESULT($have_gcc_altivec)
   839         fi
   840         CFLAGS="$save_CFLAGS"
   841 
   842         if test x$have_gcc_altivec = xyes; then
   843             AC_DEFINE(SDL_ALTIVEC_BLITTERS)
   844             if test x$have_altivec_h_hdr = xyes; then
   845               AC_DEFINE(HAVE_ALTIVEC_H)
   846             fi
   847             EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
   848         fi
   849     fi
   850 }
   851 
   852 dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).
   853 dnl  Details of this flag are here: http://gcc.gnu.org/wiki/Visibility
   854 CheckVisibilityHidden()
   855 {
   856     AC_MSG_CHECKING(for GCC -fvisibility=hidden option)
   857     have_gcc_fvisibility=no
   858 
   859     visibility_CFLAGS="-fvisibility=hidden"
   860     save_CFLAGS="$CFLAGS"
   861     CFLAGS="$save_CFLAGS $visibility_CFLAGS -Werror"
   862     AC_TRY_COMPILE([
   863     #if !defined(__GNUC__) || __GNUC__ < 4
   864     #error SDL only uses visibility attributes in GCC 4 or newer
   865     #endif
   866     ],[
   867     ],[
   868     have_gcc_fvisibility=yes
   869     ])
   870     AC_MSG_RESULT($have_gcc_fvisibility)
   871     CFLAGS="$save_CFLAGS"
   872 
   873     if test x$have_gcc_fvisibility = xyes; then
   874         EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"
   875     fi
   876 }
   877 
   878 dnl See if GCC's -Wall is supported.
   879 CheckWarnAll()
   880 {
   881     AC_MSG_CHECKING(for GCC -Wall option)
   882     have_gcc_Wall=no
   883 
   884     save_CFLAGS="$CFLAGS"
   885     CFLAGS="$save_CFLAGS -Wall"
   886     AC_TRY_COMPILE([
   887     int x = 0;
   888     ],[
   889     ],[
   890     have_gcc_Wall=yes
   891     ])
   892     AC_MSG_RESULT($have_gcc_Wall)
   893     CFLAGS="$save_CFLAGS"
   894 
   895     if test x$have_gcc_Wall = xyes; then
   896         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
   897 
   898         dnl Haiku headers use multicharacter constants all over the place. Ignore these warnings when using -Wall.
   899         AC_MSG_CHECKING(for necessary GCC -Wno-multichar option)
   900         need_gcc_Wno_multichar=no
   901         case "$host" in
   902             *-*-beos* | *-*-haiku*)
   903                 need_gcc_Wno_multichar=yes
   904                 ;;
   905         esac
   906         AC_MSG_RESULT($need_gcc_Wno_multichar)
   907         if test x$need_gcc_Wno_multichar = xyes; then
   908             EXTRA_CFLAGS="$EXTRA_CFLAGS -Wno-multichar"
   909         fi
   910     fi
   911 }
   912 
   913 
   914 dnl Do the iPod thing
   915 CheckIPod()
   916 {
   917     AC_ARG_ENABLE(ipod,
   918 AC_HELP_STRING([--enable-ipod], [configure SDL to work with iPodLinux [[default=no]]]),
   919         , enable_ipod=no)
   920 
   921     if test x$enable_ipod = xyes; then
   922         EXTRA_CFLAGS="$EXTRA_CFLAGS -DIPOD"
   923         AC_DEFINE(SDL_VIDEO_DRIVER_IPOD)
   924         SOURCES="$SOURCES $srcdir/src/video/ipod/*.c"
   925     fi
   926 }
   927 
   928 dnl Find the nanox include and library directories
   929 CheckNANOX()
   930 {
   931     AC_ARG_ENABLE(video-nanox,
   932         AC_HELP_STRING([--enable-video-nanox], [use nanox video driver [[default=no]]]),
   933         , enable_video_nanox=no)
   934 
   935     if test x$enable_video = xyes -a x$enable_video_nanox = xyes; then
   936         AC_ARG_ENABLE(nanox-debug,  
   937             AC_HELP_STRING([--enable-nanox-debug], [print debug messages [[default=no]]]),
   938             , enable_nanox_debug=no)
   939         if test x$enable_nanox_debug = xyes; then
   940             EXTRA_CFLAGS="$EXTRA_CFLAGS -DENABLE_NANOX_DEBUG"
   941         fi
   942 
   943         AC_ARG_ENABLE(nanox-share-memory,  
   944             AC_HELP_STRING([--enable-nanox-share-memory], [use share memory [[default=no]]]),
   945             , enable_nanox_share_memory=no)
   946         if test x$enable_nanox_share_memory = xyes; then
   947             EXTRA_CFLAGS="$EXTRA_CFLAGS -DNANOX_SHARE_MEMORY"
   948         fi
   949 
   950         AC_ARG_ENABLE(nanox_direct_fb, 
   951             AC_HELP_STRING([--enable-nanox-direct-fb], [use direct framebuffer access [[default=no]]]),
   952             , enable_nanox_direct_fb=no)
   953         if test x$enable_nanox_direct_fb = xyes; then
   954             EXTRA_CFLAGS="$EXTRA_CFLAGS -DENABLE_NANOX_DIRECT_FB"
   955         fi
   956 
   957         AC_DEFINE(SDL_VIDEO_DRIVER_NANOX)
   958         SOURCES="$SOURCES $srcdir/src/video/nanox/*.c"
   959         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lnano-X"
   960         have_video=yes
   961     fi
   962 }
   963 
   964 dnl Find the X11 include and library directories
   965 CheckX11()
   966 {
   967     AC_ARG_ENABLE(video-x11,
   968 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
   969                   , enable_video_x11=yes)
   970     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
   971         case "$host" in
   972             *-*-darwin*)
   973                 # This isn't necessary for X11, but fixes GLX detection
   974                 if test "x$x_includes" = xNONE && test "x$x_libraries" = xNONE; then
   975                     x_includes="/usr/X11R6/include"
   976                     x_libraries="/usr/X11R6/lib"
   977                 fi
   978                 ;;
   979         esac
   980         AC_PATH_X
   981         AC_PATH_XTRA
   982         if test x$have_x = xyes; then
   983             # Only allow dynamically loaded X11 if the X11 function pointers
   984             # will not end up in the global namespace, which causes problems
   985             # with other libraries calling X11 functions.
   986             x11_symbols_private=$have_gcc_fvisibility
   987 
   988             AC_ARG_ENABLE(x11-shared,
   989 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
   990                           , enable_x11_shared=maybe)
   991 
   992             case "$host" in
   993                 *-*-darwin*) # Latest Mac OS X actually ships with Xrandr/Xrender libs...
   994                     x11_symbols_private=yes
   995                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
   996                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
   997                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
   998                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
   999                     ;;
  1000                 *-*-osf*)
  1001                     x11_lib='libX11.so'
  1002                     x11ext_lib='libXext.so'
  1003                     ;;
  1004                 *-*-irix*) # IRIX 6.5 requires that we use /usr/lib32
  1005                     x11_lib='libX11.so'
  1006                     x11ext_lib='libXext.so'
  1007                     ;;
  1008                 *)
  1009                     x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1010                     x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1011                     xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1012                     xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1013                     ;;
  1014             esac
  1015 
  1016             X_CFLAGS="$X_CFLAGS -DXTHREADS"
  1017             if test x$ac_cv_func_shmat != xyes; then
  1018                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
  1019             fi
  1020             CFLAGS="$CFLAGS $X_CFLAGS"
  1021             LDFLAGS="$LDFLAGS $X_LIBS"
  1022 
  1023             AC_DEFINE(SDL_VIDEO_DRIVER_X11)
  1024             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
  1025             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
  1026 
  1027             if test x$enable_x11_shared = xmaybe; then
  1028                 enable_x11_shared=$x11_symbols_private
  1029             fi
  1030             if test x$have_loadso != xyes && \
  1031                test x$enable_x11_shared = xyes; then
  1032                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
  1033                 enable_x11_shared=no
  1034             fi
  1035             if test x$x11_symbols_private != xyes && \
  1036                test x$enable_x11_shared = xyes; then
  1037                 AC_MSG_WARN([You must have gcc4 (-fvisibility=hidden) for dynamic X11 loading])
  1038                 enable_x11_shared=no
  1039             fi
  1040 
  1041             if test x$have_loadso = xyes && \
  1042                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
  1043                 echo "-- dynamic libX11 -> $x11_lib"
  1044                 echo "-- dynamic libX11ext -> $x11ext_lib"
  1045                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib")
  1046                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib")
  1047             else
  1048                 enable_x11_shared=no
  1049                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
  1050             fi
  1051             have_video=yes
  1052 
  1053             AC_ARG_ENABLE(dga,
  1054 AC_HELP_STRING([--enable-dga], [allow use of X11 DGA code [[default=yes]]]),
  1055                           , enable_dga=yes)
  1056             if test x$enable_dga = xyes; then
  1057                 SOURCES="$SOURCES $srcdir/src/video/Xext/Xxf86dga/*.c"
  1058             fi
  1059             AC_ARG_ENABLE(video-dga,
  1060 AC_HELP_STRING([--enable-video-dga], [use DGA 2.0 video driver [[default=yes]]]),
  1061                   , enable_video_dga=yes)
  1062             if test x$enable_dga = xyes -a x$enable_video_dga = xyes; then
  1063                 AC_DEFINE(SDL_VIDEO_DRIVER_DGA)
  1064                 SOURCES="$SOURCES $srcdir/src/video/dga/*.c"
  1065             fi
  1066             AC_ARG_ENABLE(video-x11-dgamouse,
  1067 AC_HELP_STRING([--enable-video-x11-dgamouse], [use X11 DGA for mouse events [[default=yes]]]),
  1068                           , enable_video_x11_dgamouse=yes)
  1069             if test x$enable_dga = xyes -a x$enable_video_x11_dgamouse = xyes; then
  1070                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_DGAMOUSE)
  1071             fi
  1072             AC_ARG_ENABLE(video-x11-vm,
  1073 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
  1074                           , enable_video_x11_vm=yes)
  1075             if test x$enable_video_x11_vm = xyes; then
  1076                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_VIDMODE)
  1077                 SOURCES="$SOURCES $srcdir/src/video/Xext/Xxf86vm/*.c"
  1078             fi
  1079             AC_ARG_ENABLE(video-x11-xv,
  1080 AC_HELP_STRING([--enable-video-x11-xv], [use X11 XvImage extension for video [[default=yes]]]),
  1081                           , enable_video_x11_xv=yes)
  1082             if test x$enable_video_x11_xv = xyes; then
  1083                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XV)
  1084                 SOURCES="$SOURCES $srcdir/src/video/Xext/Xv/*.c"
  1085             fi
  1086             AC_ARG_ENABLE(video-x11-xinerama,
  1087 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
  1088                             , enable_video_x11_xinerama=yes)
  1089             if test x$enable_video_x11_xinerama = xyes; then
  1090                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA)
  1091                 SOURCES="$SOURCES $srcdir/src/video/Xext/Xinerama/*.c"
  1092             fi
  1093             AC_ARG_ENABLE(video-x11-xme,
  1094 AC_HELP_STRING([--enable-video-x11-xme], [enable Xi Graphics XME for fullscreen [[default=yes]]]),
  1095                             , enable_video_x11_xme=yes)
  1096             if test x$enable_video_x11_xme = xyes; then
  1097                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XME)
  1098                 SOURCES="$SOURCES $srcdir/src/video/Xext/XME/*.c"
  1099             fi
  1100             AC_ARG_ENABLE(video-x11-xrandr,
  1101 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
  1102                             , enable_video_x11_xrandr=yes)
  1103             if test x$enable_video_x11_xrandr = xyes; then
  1104                 definitely_enable_video_x11_xrandr=no
  1105                 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
  1106                                 have_xrandr_h_hdr=yes,
  1107                                 have_xrandr_h_hdr=no,
  1108                                 [#include <X11/Xlib.h>
  1109                                 ])
  1110                 if test x$have_xrandr_h_hdr = xyes; then
  1111                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
  1112                         echo "-- dynamic libXrender -> $xrender_lib"
  1113                         echo "-- dynamic libXrandr -> $xrandr_lib"
  1114                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRENDER, "$xrender_lib")
  1115                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib")
  1116                         definitely_enable_video_x11_xrandr=yes
  1117                     else
  1118                         AC_CHECK_LIB(Xrender, XRenderQueryExtension, have_xrender_lib=yes)
  1119                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
  1120                         if test x$have_xrender_lib = xyes && test x$have_xrandr_lib = xyes ; then
  1121                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr -lXrender"
  1122                             definitely_enable_video_x11_xrandr=yes
  1123                         fi
  1124                     fi
  1125                 fi
  1126             fi
  1127             if test x$definitely_enable_video_x11_xrandr = xyes; then
  1128                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR)
  1129             fi
  1130         fi
  1131     fi
  1132 }
  1133 
  1134 dnl Check for QNX photon video driver
  1135 CheckPHOTON()
  1136 {
  1137     AC_ARG_ENABLE(video-photon,
  1138 AC_HELP_STRING([--enable-video-photon], [use QNX Photon video driver [[default=yes]]]),
  1139                   , enable_video_photon=yes)
  1140     if test x$enable_video = xyes -a x$enable_video_photon = xyes; then
  1141         AC_MSG_CHECKING(for QNX Photon support)
  1142         video_photon=no
  1143         AC_TRY_COMPILE([
  1144           #include <Ph.h>
  1145           #include <Pt.h>
  1146           #include <photon/Pg.h>
  1147           #include <photon/PdDirect.h>
  1148         ],[
  1149          PgDisplaySettings_t *visual;
  1150         ],[
  1151         video_photon=yes
  1152         ])
  1153         AC_MSG_RESULT($video_photon)
  1154         if test x$video_photon = xyes; then
  1155             AC_DEFINE(SDL_VIDEO_DRIVER_PHOTON)
  1156             SOURCES="$SOURCES $srcdir/src/video/photon/*.c"
  1157             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lph"
  1158             have_video=yes
  1159 
  1160             CheckOpenGLQNX
  1161         fi
  1162     fi
  1163 }
  1164 
  1165 dnl Set up the BWindow video driver if enabled
  1166 CheckBWINDOW()
  1167 {
  1168     if test x$enable_video = xyes; then
  1169         AC_DEFINE(SDL_VIDEO_DRIVER_BWINDOW)
  1170         SOURCES="$SOURCES $srcdir/src/video/bwindow/*.cc"
  1171         have_video=yes
  1172     fi
  1173 }
  1174 
  1175 dnl Set up the Carbon/QuickDraw video driver for Mac OS X (but not Darwin)
  1176 CheckCARBON()
  1177 {
  1178     AC_ARG_ENABLE(video-carbon,
  1179 AC_HELP_STRING([--enable-video-carbon], [use Carbon/QuickDraw video driver [[default=no]]]),
  1180                   , enable_video_carbon=no)
  1181     if test x$enable_video = xyes -a x$enable_video_carbon = xyes; then
  1182         AC_MSG_CHECKING(for Carbon framework)
  1183         have_carbon=no
  1184         AC_TRY_COMPILE([
  1185           #include <Carbon/Carbon.h>
  1186         ],[
  1187         ],[
  1188         have_carbon=yes
  1189         ])
  1190         AC_MSG_RESULT($have_carbon)
  1191         if test x$have_carbon = xyes; then
  1192             AC_DEFINE(SDL_VIDEO_DRIVER_TOOLBOX)
  1193             SOURCES="$SOURCES $srcdir/src/video/maccommon/*.c"
  1194             SOURCES="$SOURCES $srcdir/src/video/macrom/*.c"
  1195             have_video=yes
  1196         fi
  1197     fi
  1198 }
  1199 
  1200 dnl Set up the Cocoa/Quartz video driver for Mac OS X (but not Darwin)
  1201 CheckCOCOA()
  1202 {
  1203     AC_ARG_ENABLE(video-cocoa,
  1204 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa/Quartz video driver [[default=yes]]]),
  1205                   , enable_video_cocoa=yes)
  1206     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  1207         save_CFLAGS="$CFLAGS"
  1208         dnl work around that we don't have Objective-C support in autoconf
  1209         CFLAGS="$CFLAGS -x objective-c"
  1210         AC_MSG_CHECKING(for Cocoa framework)
  1211         have_cocoa=no
  1212         AC_TRY_COMPILE([
  1213           #import <Cocoa/Cocoa.h>
  1214         ],[
  1215         ],[
  1216         have_cocoa=yes
  1217         ])
  1218         AC_MSG_RESULT($have_cocoa)
  1219         CFLAGS="$save_CFLAGS"
  1220         if test x$have_cocoa = xyes; then
  1221             AC_DEFINE(SDL_VIDEO_DRIVER_QUARTZ)
  1222             SOURCES="$SOURCES $srcdir/src/video/quartz/*.m"
  1223             have_video=yes
  1224         fi
  1225     fi
  1226 }
  1227 
  1228 dnl Find the framebuffer console includes
  1229 CheckFBCON()
  1230 {
  1231     AC_ARG_ENABLE(video-fbcon,
  1232 AC_HELP_STRING([--enable-video-fbcon], [use framebuffer console video driver [[default=yes]]]),
  1233                   , enable_video_fbcon=yes)
  1234     if test x$enable_video = xyes -a x$enable_video_fbcon = xyes; then
  1235         AC_MSG_CHECKING(for framebuffer console support)
  1236         video_fbcon=no
  1237         AC_TRY_COMPILE([
  1238          #include <linux/fb.h>
  1239          #include <linux/kd.h>
  1240          #include <linux/keyboard.h>
  1241         ],[
  1242         ],[
  1243         video_fbcon=yes
  1244         ])
  1245         AC_MSG_RESULT($video_fbcon)
  1246         if test x$video_fbcon = xyes; then
  1247             AC_CHECK_FUNCS(getpagesize)
  1248             AC_DEFINE(SDL_VIDEO_DRIVER_FBCON)
  1249             SOURCES="$SOURCES $srcdir/src/video/fbcon/*.c"
  1250             have_video=yes
  1251         fi
  1252     fi
  1253 }
  1254 
  1255 dnl Find DirectFB
  1256 CheckDirectFB()
  1257 {
  1258     AC_ARG_ENABLE(video-directfb,
  1259 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=yes]]]),
  1260                   , enable_video_directfb=yes)
  1261     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
  1262         video_directfb=no
  1263 
  1264         DIRECTFB_REQUIRED_VERSION=0.9.15
  1265 
  1266         AC_PATH_PROG(DIRECTFBCONFIG, directfb-config, no)
  1267         if test x$DIRECTFBCONFIG = xno; then
  1268             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1269             if test x$PKG_CONFIG != xno; then
  1270                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
  1271                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
  1272                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
  1273                     video_directfb=yes
  1274                 fi
  1275             fi
  1276         else
  1277             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
  1278             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1279             set -- `directfb-config --version | sed 's/\./ /g'`
  1280             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1281             if test $HAVE_VERSION -ge $NEED_VERSION; then
  1282                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
  1283                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
  1284                 video_directfb=yes
  1285             fi
  1286         fi
  1287         if test x$video_directfb = xyes; then
  1288             # SuSE 11.1 installs directfb-config without directfb-devel
  1289             save_CFLAGS="$CFLAGS"
  1290             CFLAGS="$CFLAGS $DIRECTFB_CFLAGS"
  1291             AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no)
  1292             CFLAGS="$save_CFLAGS"
  1293             video_directfb=$have_directfb_hdr
  1294         fi
  1295         AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
  1296         AC_MSG_RESULT($video_directfb)
  1297 
  1298         if test x$video_directfb = xyes; then
  1299             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB)
  1300             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
  1301             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
  1302             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
  1303             have_video=yes
  1304         fi
  1305     fi
  1306 }
  1307 
  1308 dnl See if we're running on PlayStation 2 hardware
  1309 CheckPS2GS()
  1310 {
  1311     AC_ARG_ENABLE(video-ps2gs,
  1312 AC_HELP_STRING([--enable-video-ps2gs], [use PlayStation 2 GS video driver [[default=yes]]]),
  1313                   , enable_video_ps2gs=yes)
  1314     if test x$enable_video = xyes -a x$enable_video_ps2gs = xyes; then
  1315         AC_MSG_CHECKING(for PlayStation 2 GS support)
  1316         video_ps2gs=no
  1317         AC_TRY_COMPILE([
  1318          #include <linux/ps2/dev.h>
  1319          #include <linux/ps2/gs.h>
  1320         ],[
  1321         ],[
  1322         video_ps2gs=yes
  1323         ])
  1324         AC_MSG_RESULT($video_ps2gs)
  1325         if test x$video_ps2gs = xyes; then
  1326             AC_DEFINE(SDL_VIDEO_DRIVER_PS2GS)
  1327             SOURCES="$SOURCES $srcdir/src/video/ps2gs/*.c"
  1328             have_video=yes
  1329         fi
  1330     fi
  1331 }
  1332 
  1333 dnl See if we're running on PlayStation 3 Cell hardware
  1334 CheckPS3()
  1335 {
  1336   AC_ARG_ENABLE(video-ps3,
  1337                 AC_HELP_STRING([--enable-video-ps3], [use PlayStation 3 Cell driver [[default=yes]]]),
  1338                 , enable_video_ps3=yes)
  1339   if test x$enable_video = xyes -a x$enable_video_ps3 = xyes; then
  1340     AC_MSG_CHECKING(for PlayStation 3 Cell support)
  1341     video_ps3=no
  1342     AC_TRY_COMPILE([
  1343       #include <linux/fb.h>
  1344       #include <asm/ps3fb.h>
  1345       #include <libspe2.h>
  1346     ],[
  1347     ],[
  1348       video_ps3=yes
  1349     ])
  1350     AC_MSG_RESULT($video_ps3)
  1351     if test x$video_ps3 = xyes; then
  1352       AC_DEFINE(SDL_VIDEO_DRIVER_PS3)
  1353       SOURCES="$SOURCES $srcdir/src/video/ps3/*.c"
  1354       EXTRA_CFLAGS="$EXTRA_CFLAGS -I/opt/cell/sdk/usr/include"
  1355       EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lbilin_scaler_spu -lfb_writer_spu -lyuv2rgb_spu -L/opt/cell/sdk/usr/lib -lspe2"
  1356       have_video=yes
  1357     fi
  1358   fi
  1359 }
  1360 
  1361 dnl Find the GGI includes
  1362 CheckGGI()
  1363 {
  1364     AC_ARG_ENABLE(video-ggi,
  1365 AC_HELP_STRING([--enable-video-ggi], [use GGI video driver [[default=no]]]),
  1366                   , enable_video_ggi=no)
  1367     if test x$enable_video = xyes -a x$enable_video_ggi = xyes; then
  1368         AC_MSG_CHECKING(for GGI support)
  1369         video_ggi=no
  1370         AC_TRY_COMPILE([
  1371          #include <ggi/ggi.h>
  1372          #include <ggi/gii.h>
  1373         ],[
  1374         ],[
  1375         video_ggi=yes
  1376         ])
  1377         AC_MSG_RESULT($video_ggi)
  1378         if test x$video_ggi = xyes; then
  1379             AC_DEFINE(SDL_VIDEO_DRIVER_GGI)
  1380             SOURCES="$SOURCES $srcdir/src/video/ggi/*.c"
  1381             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lggi -lgii -lgg"
  1382             have_video=yes
  1383         fi
  1384     fi
  1385 }
  1386 
  1387 dnl Find the SVGAlib includes and libraries
  1388 CheckSVGA()
  1389 {
  1390     AC_ARG_ENABLE(video-svga,
  1391 AC_HELP_STRING([--enable-video-svga], [use SVGAlib video driver [[default=yes]]]),
  1392                   , enable_video_svga=yes)
  1393     if test x$enable_video = xyes -a x$enable_video_svga = xyes; then
  1394         AC_MSG_CHECKING(for SVGAlib (1.4.0+) support)
  1395         video_svga=no
  1396         AC_TRY_COMPILE([
  1397          #include <vga.h>
  1398          #include <vgamouse.h>
  1399          #include <vgakeyboard.h>
  1400         ],[
  1401          if ( SCANCODE_RIGHTWIN && SCANCODE_LEFTWIN ) {
  1402              exit(0);
  1403          }
  1404         ],[
  1405         video_svga=yes
  1406         ])
  1407         AC_MSG_RESULT($video_svga)
  1408         if test x$video_svga = xyes; then
  1409             AC_DEFINE(SDL_VIDEO_DRIVER_SVGALIB)
  1410             SOURCES="$SOURCES $srcdir/src/video/svga/*.c"
  1411             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lvga"
  1412             have_video=yes
  1413         fi
  1414     fi
  1415 }
  1416 
  1417 dnl Find the VGL includes and libraries
  1418 CheckVGL()
  1419 {
  1420     AC_ARG_ENABLE(video-vgl,
  1421 AC_HELP_STRING([--enable-video-vgl], [use VGL video driver [[default=yes]]]),
  1422                   , enable_video_vgl=yes)
  1423     if test x$enable_video = xyes -a x$enable_video_vgl = xyes; then
  1424         AC_MSG_CHECKING(for libVGL support)
  1425         video_vgl=no
  1426         AC_TRY_COMPILE([
  1427          #include <sys/fbio.h>
  1428          #include <sys/consio.h>
  1429          #include <sys/kbio.h>
  1430          #include <vgl.h>
  1431         ],[
  1432          VGLBitmap bitmap;
  1433          bitmap.Type = VIDBUF32;
  1434          bitmap.PixelBytes = 4;
  1435          exit(bitmap.Bitmap);
  1436         ],[
  1437         video_vgl=yes
  1438         ])
  1439         AC_MSG_RESULT($video_vgl)
  1440         if test x$video_vgl = xyes; then
  1441             AC_DEFINE(SDL_VIDEO_DRIVER_VGL)
  1442             SOURCES="$SOURCES $srcdir/src/video/vgl/*.c"
  1443             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lvgl"
  1444             have_video=yes
  1445         fi
  1446     fi
  1447 }
  1448 
  1449 dnl Set up the wscons video driver if enabled
  1450 CheckWscons()
  1451 {
  1452     AC_ARG_ENABLE(video-wscons,
  1453 AC_HELP_STRING([--enable-video-wscons], [use wscons video driver [[default=yes]]]),
  1454                   , enable_video_wscons=yes)
  1455     if test x$enable_video = xyes -a x$enable_video_wscons = xyes; then
  1456         AC_MSG_CHECKING(for wscons support)
  1457         video_wscons=no
  1458         AC_TRY_COMPILE([
  1459          #include <sys/time.h>
  1460          #include <dev/wscons/wsconsio.h>
  1461          #include <dev/wscons/wsdisplay_usl_io.h>
  1462         ],[
  1463          int wsmode = WSDISPLAYIO_MODE_DUMBFB;
  1464         ],[
  1465         video_wscons=yes
  1466         ])
  1467         AC_MSG_RESULT($video_wscons)
  1468         if test x$video_wscons = xyes; then
  1469             AC_DEFINE(SDL_VIDEO_DRIVER_WSCONS)
  1470             SOURCES="$SOURCES $srcdir/src/video/wscons/*.c"
  1471             have_video=yes
  1472         fi
  1473     fi
  1474 }
  1475 
  1476 
  1477 dnl Find the AAlib includes
  1478 CheckAAlib()
  1479 {
  1480     AC_ARG_ENABLE(video-aalib,
  1481 AC_HELP_STRING([--enable-video-aalib], [use AAlib video driver [[default=no]]]),
  1482                   , enable_video_aalib=no)
  1483     if test x$enable_video = xyes -a x$enable_video_aalib = xyes; then
  1484         AC_MSG_CHECKING(for AAlib support)
  1485         video_aalib=no
  1486         AC_TRY_COMPILE([
  1487          #include <aalib.h>
  1488         ],[
  1489         ],[
  1490         video_aalib=yes
  1491         ])
  1492         AC_MSG_RESULT($video_aalib)
  1493         if test x$video_aalib = xyes; then
  1494             AC_DEFINE(SDL_VIDEO_DRIVER_AALIB)
  1495             SOURCES="$SOURCES $srcdir/src/video/aalib/*.c"
  1496             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -laa"
  1497             have_video=yes
  1498         fi
  1499     fi
  1500 }
  1501 
  1502 dnl Find the libcaca includes
  1503 CheckCaca()
  1504 {
  1505     AC_ARG_ENABLE(video-caca,
  1506 AC_HELP_STRING([--enable-video-caca], [use libcaca video driver [[default=no]]]),
  1507                   , enable_video_caca=no)
  1508     if test x$enable_video = xyes -a x$enable_video_caca = xyes; then
  1509         video_caca=no
  1510         AC_PATH_PROG(CACACONFIG, caca-config, no)
  1511         if test x$CACACONFIG != xno; then
  1512             AC_MSG_CHECKING(for libcaca support)
  1513             CACA_CFLAGS=`$CACACONFIG --cflags`
  1514             CACA_LDFLAGS=`$CACACONFIG --libs`
  1515             save_CFLAGS="$CFLAGS"
  1516             AC_TRY_COMPILE([
  1517              #include <caca.h>
  1518             ],[
  1519             ],[
  1520              video_caca=yes
  1521             ])
  1522             CFLAGS="$save_CFLAGS"
  1523             AC_MSG_RESULT($video_caca)
  1524             if test x$video_caca = xyes; then
  1525                 AC_DEFINE(SDL_VIDEO_DRIVER_CACA)
  1526                 EXTRA_CFLAGS="$EXTRA_CFLAGS $CACA_CFLAGS"
  1527                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $CACA_LDFLAGS"
  1528                 SOURCES="$SOURCES $srcdir/src/video/caca/*.c"
  1529             fi
  1530         fi
  1531     fi
  1532 }
  1533 
  1534 dnl Set up the QTopia video driver if enabled
  1535 CheckQtopia()
  1536 {
  1537     AC_ARG_ENABLE(video-qtopia,
  1538 AC_HELP_STRING([--enable-video-qtopia], [use Qtopia video driver [[default=no]]]),
  1539                   , enable_video_qtopia=no)
  1540     if test x$enable_video = xyes -a x$enable_video_qtopia = xyes; then
  1541         AC_MSG_CHECKING(for Qtopia support)
  1542         video_qtopia=no
  1543         QTOPIA_FLAGS="-DQT_QWS_EBX -DQT_QWS_CUSTOM -DQWS -I${QPEDIR}/include -I${QTDIR}/include/ -DNO_DEBUG -fno-rtti -fno-exceptions"
  1544         AC_LANG_CPLUSPLUS
  1545         OLD_CXX="$CXXFLAGS"
  1546         CXXFLAGS="$QTOPIA_FLAGS"
  1547         AC_TRY_COMPILE([
  1548          #include <qpe/qpeapplication.h>
  1549         ],[
  1550         ],[
  1551         video_qtopia=yes
  1552         ])
  1553         CXXFLAGS="$OLD_CXX"
  1554         AC_MSG_RESULT($video_qtopia)
  1555         if test x$video_qtopia = xyes; then
  1556             AC_DEFINE(SDL_VIDEO_DRIVER_QTOPIA)
  1557             SOURCES="$SOURCES $srcdir/src/video/qtopia/*.cc"
  1558             SDLMAIN_SOURCES="$srcdir/src/main/qtopia/*.cc"
  1559             EXTRA_CFLAGS="$EXTRA_CFLAGS $QTOPIA_FLAGS"
  1560             SDL_CFLAGS="$SDL_CFLAGS -DQWS -Dmain=SDL_main"
  1561             SDL_LIBS="-lSDLmain $SDL_LIBS -L${QPEDIR}/lib -L${QTDIR}/lib/ -lqpe -lqte"
  1562             have_video=yes
  1563         fi
  1564         AC_LANG_C
  1565     fi
  1566 }
  1567 
  1568 dnl Set up the PicoGUI video driver if enabled
  1569 CheckPicoGUI()
  1570 {
  1571     AC_ARG_ENABLE(video-picogui,
  1572 AC_HELP_STRING([--enable-video-picogui], [use PicoGUI video driver [[default=no]]]),
  1573                   , enable_video_picogui=no)
  1574     if test x$enable_video = xyes -a x$enable_video_picogui = xyes; then
  1575         AC_MSG_CHECKING(for PicoGUI support)
  1576         video_picogui=no
  1577         AC_TRY_COMPILE([
  1578          #include <picogui.h>
  1579         ],[
  1580         ],[
  1581         video_picogui=yes
  1582         ])
  1583         AC_MSG_RESULT($video_picogui)
  1584         if test x$video_picogui = xyes; then
  1585             AC_DEFINE(SDL_VIDEO_DRIVER_PICOGUI)
  1586             SOURCES="$SOURCES $srcdir/src/video/picogui/*.c"
  1587             SDL_LIBS="$SDL_LIBS -lpgui"
  1588             have_video=yes
  1589         fi
  1590     fi
  1591 }
  1592 
  1593 dnl Set up the Atari Bios keyboard driver
  1594 CheckAtariBiosEvent()
  1595 {
  1596     SOURCES="$SOURCES $srcdir/src/video/ataricommon/*.c"
  1597     SOURCES="$SOURCES $srcdir/src/video/ataricommon/*.S"
  1598 }
  1599 
  1600 dnl Set up the Atari Xbios driver
  1601 CheckAtariXbiosVideo()
  1602 {
  1603     AC_ARG_ENABLE(xbios,
  1604 AC_HELP_STRING([--enable-video-xbios], [use Atari Xbios video driver [[default=yes]]]),
  1605                   , enable_video_xbios=yes)
  1606     video_xbios=no
  1607     if test x$enable_video = xyes -a x$enable_video_xbios = xyes; then
  1608         video_xbios=yes
  1609         AC_DEFINE(SDL_VIDEO_DRIVER_XBIOS)
  1610         SOURCES="$SOURCES $srcdir/src/video/xbios/*.c"
  1611         have_video=yes
  1612     fi
  1613 }
  1614 
  1615 dnl Set up the Atari Gem driver
  1616 CheckAtariGemVideo()
  1617 {
  1618     AC_ARG_ENABLE(gem,
  1619 AC_HELP_STRING([--enable-video-gem], [use Atari Gem video driver [[default=yes]]]),
  1620                   , enable_video_gem=yes)
  1621     if test x$enable_video = xyes -a x$enable_video_gem = xyes; then
  1622         video_gem=no
  1623         AC_CHECK_HEADER(gem.h, have_gem_hdr=yes)
  1624         AC_CHECK_LIB(gem, appl_init, have_gem_lib=yes)
  1625         if test x$have_gem_hdr = xyes -a x$have_gem_lib = xyes; then
  1626             video_gem=yes
  1627             AC_DEFINE(SDL_VIDEO_DRIVER_GEM)
  1628             SOURCES="$SOURCES $srcdir/src/video/gem/*.c"
  1629             SDL_LIBS="$SDL_LIBS -lgem"
  1630             have_video=yes
  1631         fi
  1632     fi
  1633 }
  1634 
  1635 dnl rcg04172001 Set up the Null video driver.
  1636 CheckDummyVideo()
  1637 {
  1638     AC_ARG_ENABLE(video-dummy,
  1639 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
  1640                   , enable_video_dummy=yes)
  1641     if test x$enable_video_dummy = xyes; then
  1642         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY)
  1643         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
  1644         have_video=yes
  1645     fi
  1646 }
  1647 
  1648 dnl Check to see if OpenGL support is desired
  1649 AC_ARG_ENABLE(video-opengl,
  1650 AC_HELP_STRING([--enable-video-opengl], [include OpenGL context creation [[default=yes]]]),
  1651               , enable_video_opengl=yes)
  1652 
  1653 dnl Find OpenGL
  1654 CheckOpenGLX11()
  1655 {
  1656     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1657         AC_MSG_CHECKING(for OpenGL (GLX) support)
  1658         video_opengl=no
  1659         AC_TRY_COMPILE([
  1660          #include <GL/gl.h>
  1661          #include <GL/glx.h>
  1662          #include <GL/glu.h>
  1663         ],[
  1664         ],[
  1665         video_opengl=yes
  1666         ])
  1667         AC_MSG_RESULT($video_opengl)
  1668         if test x$video_opengl = xyes; then
  1669             AC_DEFINE(SDL_VIDEO_OPENGL)
  1670             AC_DEFINE(SDL_VIDEO_OPENGL_GLX)
  1671         fi
  1672     fi
  1673 }
  1674 
  1675 dnl Find QNX RtP OpenGL
  1676 CheckOpenGLQNX()
  1677 {
  1678     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1679         AC_MSG_CHECKING(for OpenGL (Photon) support)
  1680         video_opengl=no
  1681         AC_TRY_COMPILE([
  1682          #include <GL/gl.h>
  1683         ],[
  1684         ],[
  1685         video_opengl=yes
  1686         ])
  1687         AC_MSG_RESULT($video_opengl)
  1688         if test x$video_opengl = xyes; then
  1689             AC_DEFINE(SDL_VIDEO_OPENGL)
  1690             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  1691         fi
  1692     fi
  1693 }
  1694 
  1695 dnl Check for Win32 OpenGL
  1696 CheckWIN32GL()
  1697 {
  1698     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1699         AC_DEFINE(SDL_VIDEO_OPENGL)
  1700         AC_DEFINE(SDL_VIDEO_OPENGL_WGL)
  1701     fi
  1702 }
  1703 
  1704 dnl Check for BeOS OpenGL
  1705 CheckBeGL()
  1706 {
  1707     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1708         AC_DEFINE(SDL_VIDEO_OPENGL)
  1709         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  1710     fi
  1711 }
  1712 
  1713 dnl Check for MacOS OpenGL
  1714 CheckMacGL()
  1715 {
  1716     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1717         AC_DEFINE(SDL_VIDEO_OPENGL)
  1718         case "$host" in
  1719             *-*-darwin*)
  1720                 if test x$enable_video_cocoa = xyes; then
  1721                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGL"
  1722                 fi
  1723                 if test x$enable_video_carbon = xyes; then
  1724                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AGL"
  1725                 fi
  1726         esac
  1727     fi
  1728 }
  1729 
  1730 dnl Check for Mesa offscreen rendering
  1731 CheckAtariOSMesa()
  1732 {
  1733     if test "x$enable_video" = "xyes" -a "x$enable_video_opengl" = "xyes"; then
  1734         AC_CHECK_HEADER(GL/osmesa.h, have_osmesa_hdr=yes)
  1735         AC_CHECK_LIB(OSMesa, OSMesaCreateContext, have_osmesa_lib=yes, have_osmesa_lib=no, -lm)
  1736 
  1737         # Static linking to -lOSMesa
  1738         AC_PATH_PROG(OSMESA_CONFIG, osmesa-config, no)
  1739         if test "x$OSMESA_CONFIG" = "xno" -o "x$enable_atari_ldg" = "xno"; then
  1740             # -lOSMesa is really the static library
  1741             if test "x$have_osmesa_hdr" = "xyes" -a "x$have_osmesa_lib" = "xyes"; then
  1742                 OSMESA_LIBS="-lOSMesa"
  1743             fi
  1744         else
  1745             # -lOSMesa is a loader for OSMesa.ldg
  1746             OSMESA_CFLAGS=`$OSMESA_CONFIG --cflags`
  1747             OSMESA_LIBS=`$OSMESA_CONFIG --libs`
  1748         fi
  1749         AC_DEFINE(SDL_VIDEO_OPENGL)
  1750         AC_DEFINE(SDL_VIDEO_OPENGL_OSMESA)
  1751         SDL_CFLAGS="$SDL_CFLAGS $OSMESA_CFLAGS"
  1752         SDL_LIBS="$SDL_LIBS $OSMESA_LIBS"
  1753 
  1754         AC_ARG_ENABLE(osmesa-shared,
  1755 AC_HELP_STRING([--enable-osmesa-shared], [dynamically load OSMesa OpenGL support [[default=yes]]]),
  1756                               , enable_osmesa_shared=yes)
  1757         if test "x$enable_osmesa_shared" = "xyes" -a "x$enable_atari_ldg" = "xyes"; then
  1758             # Dynamic linking
  1759             if test "x$have_osmesa_hdr" = "xyes"; then
  1760                 AC_DEFINE(SDL_VIDEO_OPENGL_OSMESA_DYNAMIC)
  1761             fi
  1762         fi
  1763     fi
  1764 }
  1765 
  1766 AC_ARG_ENABLE(screensaver,
  1767 AC_HELP_STRING([--enable-screensaver], [enable screensaver by default while any SDL application is running [[default=no]]]),
  1768               , enable_screensaver=no)
  1769 if test x$enable_screensaver = xno; then
  1770     AC_DEFINE(SDL_VIDEO_DISABLE_SCREENSAVER)
  1771 fi
  1772 
  1773 dnl See if we can use the new unified event interface in Linux 2.4
  1774 CheckInputEvents()
  1775 {
  1776     dnl Check for Linux 2.4 unified input event interface support
  1777     AC_ARG_ENABLE(input-events,
  1778 AC_HELP_STRING([--enable-input-events], [use Linux 2.4 unified input interface [[default=yes]]]),
  1779                   , enable_input_events=yes)
  1780     if test x$enable_input_events = xyes; then
  1781         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
  1782         use_input_events=no
  1783         AC_TRY_COMPILE([
  1784           #include <linux/input.h>
  1785         ],[
  1786           #ifndef EVIOCGNAME
  1787           #error EVIOCGNAME() ioctl not available
  1788           #endif
  1789         ],[
  1790         use_input_events=yes
  1791         ])
  1792         AC_MSG_RESULT($use_input_events)
  1793         if test x$use_input_events = xyes; then
  1794             AC_DEFINE(SDL_INPUT_LINUXEV)
  1795         fi
  1796     fi
  1797 }
  1798 
  1799 dnl See if we can use the Touchscreen input library
  1800 CheckTslib()
  1801 {
  1802     AC_ARG_ENABLE(input-tslib,
  1803 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
  1804                   , enable_input_tslib=yes)
  1805     if test x$enable_input_tslib = xyes; then
  1806         AC_MSG_CHECKING(for Touchscreen library support)
  1807         enable_input_tslib=no
  1808         AC_TRY_COMPILE([
  1809           #include "tslib.h"
  1810         ],[
  1811         ],[
  1812         enable_input_tslib=yes
  1813         ])
  1814         AC_MSG_RESULT($enable_input_tslib)
  1815         if test x$enable_input_tslib = xyes; then
  1816             AC_DEFINE(SDL_INPUT_TSLIB)
  1817             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
  1818         fi
  1819     fi
  1820 }
  1821 
  1822 dnl See if we can use GNU pth library for threads
  1823 CheckPTH()
  1824 {
  1825     dnl Check for pth support
  1826     AC_ARG_ENABLE(pth,
  1827 AC_HELP_STRING([--enable-pth], [use GNU pth library for multi-threading [[default=yes]]]),
  1828                   , enable_pth=yes)
  1829     if test x$enable_threads = xyes -a x$enable_pth = xyes; then
  1830         AC_PATH_PROG(PTH_CONFIG, pth-config, no)
  1831         if test "$PTH_CONFIG" = "no"; then
  1832             use_pth=no
  1833         else
  1834             use_pth=yes
  1835         fi
  1836         AC_MSG_CHECKING(pth)
  1837         AC_MSG_RESULT($use_pth)
  1838         if test "x$use_pth" = xyes; then
  1839             AC_DEFINE(SDL_THREAD_PTH)
  1840             SOURCES="$SOURCES $srcdir/src/thread/pth/*.c"
  1841             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  1842             SDL_CFLAGS="$SDL_CFLAGS `$PTH_CONFIG --cflags`"
  1843             SDL_LIBS="$SDL_LIBS `$PTH_CONFIG --libs --all`"
  1844             have_threads=yes
  1845         fi
  1846     fi
  1847 }
  1848 
  1849 dnl See what type of thread model to use on Linux and Solaris
  1850 CheckPTHREAD()
  1851 {
  1852     dnl Check for pthread support
  1853     AC_ARG_ENABLE(pthreads,
  1854 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
  1855                   , enable_pthreads=yes)
  1856     dnl This is used on Linux for glibc binary compatibility (Doh!)
  1857     AC_ARG_ENABLE(pthread-sem,
  1858 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
  1859                   , enable_pthread_sem=yes)
  1860     case "$host" in
  1861         *-*-linux*|*-*-uclinux*)
  1862             pthread_cflags="-D_REENTRANT"
  1863             pthread_lib="-lpthread"
  1864             ;;
  1865         *-*-bsdi*)
  1866             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  1867             pthread_lib=""
  1868             ;;
  1869         *-*-darwin*)
  1870             pthread_cflags="-D_THREAD_SAFE"
  1871 # causes Carbon.p complaints?
  1872 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  1873             ;;
  1874         *-*-freebsd*|*-*-dragonfly*)
  1875             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  1876             pthread_lib="-pthread"
  1877             ;;
  1878         *-*-netbsd*)
  1879             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  1880             pthread_lib="-lpthread"
  1881             ;;
  1882         *-*-openbsd*)
  1883             pthread_cflags="-D_REENTRANT"
  1884             pthread_lib="-pthread"
  1885             ;;
  1886         *-*-solaris*)
  1887             pthread_cflags="-D_REENTRANT"
  1888             pthread_lib="-lpthread -lposix4"
  1889             ;;
  1890         *-*-sysv5*)
  1891             pthread_cflags="-D_REENTRANT -Kthread"
  1892             pthread_lib=""
  1893             ;;
  1894         *-*-irix*)
  1895             pthread_cflags="-D_SGI_MP_SOURCE"
  1896             pthread_lib="-lpthread"
  1897             ;;
  1898         *-*-aix*)
  1899             pthread_cflags="-D_REENTRANT -mthreads"
  1900             pthread_lib="-lpthread"
  1901             ;;
  1902         *-*-hpux11*)
  1903             pthread_cflags="-D_REENTRANT"
  1904             pthread_lib="-L/usr/lib -lpthread"
  1905             ;;
  1906         *-*-qnx*)
  1907             pthread_cflags=""
  1908             pthread_lib=""
  1909             ;;
  1910         *-*-osf*)
  1911             pthread_cflags="-D_REENTRANT"
  1912             if test x$ac_cv_prog_gcc = xyes; then
  1913                 pthread_lib="-lpthread -lrt"
  1914             else
  1915                 pthread_lib="-lpthread -lexc -lrt"
  1916             fi
  1917             ;;
  1918         *)
  1919             pthread_cflags="-D_REENTRANT"
  1920             pthread_lib="-lpthread"
  1921             ;;
  1922     esac
  1923     if test x$enable_threads = xyes -a x$enable_pthreads = xyes -a x$enable_ipod != xyes; then
  1924         # Save the original compiler flags and libraries
  1925         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  1926         # Add the pthread compiler flags and libraries
  1927         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  1928         # Check to see if we have pthread support on this system
  1929         AC_MSG_CHECKING(for pthreads)
  1930         use_pthreads=no
  1931         AC_TRY_LINK([
  1932          #include <pthread.h>
  1933         ],[
  1934          pthread_attr_t type;
  1935          pthread_attr_init(&type);
  1936         ],[
  1937         use_pthreads=yes
  1938         ])
  1939         AC_MSG_RESULT($use_pthreads)
  1940         # Restore the compiler flags and libraries
  1941         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  1942 
  1943         # Do futher testing if we have pthread support...
  1944         if test x$use_pthreads = xyes; then
  1945             AC_DEFINE(SDL_THREAD_PTHREAD)
  1946             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
  1947             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
  1948             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
  1949             SDL_LIBS="$SDL_LIBS $pthread_lib"
  1950 
  1951             # Save the original compiler flags and libraries
  1952             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  1953             # Add the pthread compiler flags and libraries
  1954             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  1955 
  1956             # Check to see if recursive mutexes are available
  1957             AC_MSG_CHECKING(for recursive mutexes)
  1958             has_recursive_mutexes=no
  1959             if test x$has_recursive_mutexes = xno; then
  1960                 AC_TRY_COMPILE([
  1961                   #include <pthread.h>
  1962                 ],[
  1963                   pthread_mutexattr_t attr;
  1964                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
  1965                 ],[
  1966                 has_recursive_mutexes=yes
  1967                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX)
  1968                 ])
  1969             fi
  1970             if test x$has_recursive_mutexes = xno; then
  1971                 AC_TRY_COMPILE([
  1972                   #include <pthread.h>
  1973                 ],[
  1974                   pthread_mutexattr_t attr;
  1975                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
  1976                 ],[
  1977                 has_recursive_mutexes=yes
  1978                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP)
  1979                 ])
  1980             fi
  1981             AC_MSG_RESULT($has_recursive_mutexes)
  1982 
  1983             # Check to see if pthread semaphore support is missing
  1984             if test x$enable_pthread_sem = xyes; then
  1985                 AC_MSG_CHECKING(for pthread semaphores)
  1986                 have_pthread_sem=no
  1987                 AC_TRY_COMPILE([
  1988                   #include <pthread.h>
  1989                   #include <semaphore.h>
  1990                 ],[
  1991                 ],[
  1992                 have_pthread_sem=yes
  1993                 ])
  1994                 AC_MSG_RESULT($have_pthread_sem)
  1995             fi
  1996 
  1997             # Restore the compiler flags and libraries
  1998             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  1999 
  2000             # Basic thread creation functions
  2001             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
  2002 
  2003             # Semaphores
  2004             # We can fake these with mutexes and condition variables if necessary
  2005             if test x$have_pthread_sem = xyes; then
  2006                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
  2007             else
  2008                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  2009             fi
  2010 
  2011             # Mutexes
  2012             # We can fake these with semaphores if necessary
  2013             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
  2014 
  2015             # Condition variables
  2016             # We can fake these with semaphores and mutexes if necessary
  2017             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
  2018 
  2019             have_threads=yes
  2020         else
  2021             CheckPTH
  2022         fi
  2023     fi
  2024 }
  2025 
  2026 dnl Determine whether the compiler can produce Win32 executables
  2027 CheckWIN32()
  2028 {
  2029     AC_MSG_CHECKING(Win32 compiler)
  2030     have_win32_gcc=no
  2031     AC_TRY_COMPILE([
  2032      #include <windows.h>
  2033     ],[
  2034     ],[
  2035     have_win32_gcc=yes
  2036     ])
  2037     AC_MSG_RESULT($have_win32_gcc)
  2038     if test x$have_win32_gcc != xyes; then
  2039        AC_MSG_ERROR([
  2040 *** Your compiler ($CC) does not produce Win32 executables!
  2041        ])
  2042     fi
  2043 
  2044     dnl See if the user wants to redirect standard output to files
  2045     AC_ARG_ENABLE(stdio-redirect,
  2046 AC_HELP_STRING([--enable-stdio-redirect], [Redirect STDIO to files on Win32 [[default=yes]]]),
  2047                   , enable_stdio_redirect=yes)
  2048     if test x$enable_stdio_redirect != xyes; then
  2049         EXTRA_CFLAGS="$EXTRA_CFLAGS -DNO_STDIO_REDIRECT"
  2050     fi
  2051 
  2052     if test x$enable_video = xyes; then
  2053         AC_DEFINE(SDL_VIDEO_DRIVER_WINDIB)
  2054         SOURCES="$SOURCES $srcdir/src/video/wincommon/*.c"
  2055         SOURCES="$SOURCES $srcdir/src/video/windib/*.c"
  2056         have_video=yes
  2057     fi
  2058 }
  2059 
  2060 dnl Find the DirectX includes and libraries
  2061 CheckDIRECTX()
  2062 {
  2063     AC_ARG_ENABLE(directx,
  2064 AC_HELP_STRING([--enable-directx], [use DirectX for Win32 audio/video [[default=yes]]]),
  2065                   , enable_directx=yes)
  2066     if test x$enable_directx = xyes; then
  2067         have_directx=no
  2068         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
  2069         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
  2070         AC_CHECK_HEADER(dinput.h, use_dinput=yes)
  2071         if test x$have_ddraw = xyes -a x$have_dsound = xyes -a x$use_dinput = xyes; then
  2072             have_directx=yes
  2073         fi
  2074         if test x$enable_video = xyes -a x$have_directx = xyes; then
  2075             AC_DEFINE(SDL_VIDEO_DRIVER_DDRAW)
  2076             SOURCES="$SOURCES $srcdir/src/video/windx5/*.c"
  2077             have_video=yes
  2078         fi
  2079     fi
  2080 }
  2081 
  2082 dnl Check for the dlfcn.h interface for dynamically loading objects
  2083 CheckDLOPEN()
  2084 {
  2085     AC_ARG_ENABLE(sdl-dlopen,
  2086 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
  2087                   , enable_sdl_dlopen=yes)
  2088     if test x$enable_sdl_dlopen = xyes; then
  2089         AC_MSG_CHECKING(for dlopen)
  2090         have_dlopen=no
  2091         AC_TRY_COMPILE([
  2092          #include <dlfcn.h>
  2093         ],[
  2094          #if defined(MAC_OS_X_VERSION_MIN_REQUIRED) && MAC_OS_X_VERSION_MIN_REQUIRED <= 1020
  2095          #error Use dlcompat for Mac OS X 10.2 compatibility
  2096          #endif
  2097         ],[
  2098         have_dlopen=yes
  2099         ])
  2100         AC_MSG_RESULT($have_dlopen)
  2101 
  2102         if test x$have_dlopen = xyes; then
  2103             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
  2104                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
  2105                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
  2106             AC_DEFINE(SDL_LOADSO_DLOPEN)
  2107             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
  2108             have_loadso=yes
  2109         fi
  2110     fi
  2111 }
  2112 
  2113 dnl Set up the Atari LDG (shared object loader)
  2114 CheckAtariLdg()
  2115 {
  2116     AC_ARG_ENABLE(atari-ldg,
  2117 AC_HELP_STRING([--enable-atari-ldg], [use Atari LDG for shared object loading [[default=yes]]]),
  2118                   , enable_atari_ldg=yes)
  2119     if test x$video_gem = xyes -a x$enable_atari_ldg = xyes; then
  2120         AC_CHECK_HEADER(ldg.h, have_ldg_hdr=yes)
  2121         AC_CHECK_LIB(ldg, ldg_open, have_ldg_lib=yes, have_ldg_lib=no, -lgem)
  2122         if test x$have_ldg_hdr = xyes -a x$have_ldg_lib = xyes; then
  2123             AC_DEFINE(SDL_LOADSO_LDG)
  2124             SOURCES="$SOURCES $srcdir/src/loadso/mint/*.c"
  2125             SDL_LIBS="$SDL_LIBS -lldg -lgem"
  2126             have_loadso=yes
  2127         fi
  2128     fi
  2129 }
  2130 
  2131 dnl Check for the usbhid(3) library on *BSD
  2132 CheckUSBHID()
  2133 {
  2134     if test x$enable_joystick = xyes; then
  2135         AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
  2136         if test x$have_libusbhid = xyes; then
  2137             AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
  2138             AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
  2139             USB_LIBS="$USB_LIBS -lusbhid"
  2140         else
  2141             AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
  2142             AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
  2143             AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
  2144         fi
  2145             
  2146         save_CFLAGS="$CFLAGS"
  2147         CFLAGS="$CFLAGS $USB_CFLAGS"
  2148 
  2149         AC_MSG_CHECKING(for usbhid)
  2150         have_usbhid=no
  2151         AC_TRY_COMPILE([
  2152           #include <sys/types.h>
  2153           #if defined(HAVE_USB_H)
  2154           #include <usb.h>
  2155           #endif
  2156           #ifdef __DragonFly__
  2157           # include <bus/usb/usb.h>
  2158           # include <bus/usb/usbhid.h>
  2159           #else
  2160           # include <dev/usb/usb.h>
  2161           # include <dev/usb/usbhid.h>
  2162           #endif
  2163           #if defined(HAVE_USBHID_H)
  2164           #include <usbhid.h>
  2165           #elif defined(HAVE_LIBUSB_H)
  2166           #include <libusb.h>
  2167           #elif defined(HAVE_LIBUSBHID_H)
  2168           #include <libusbhid.h>
  2169           #endif
  2170         ],[
  2171           struct report_desc *repdesc;
  2172           struct usb_ctl_report *repbuf;
  2173           hid_kind_t hidkind;
  2174         ],[
  2175         have_usbhid=yes
  2176         ])
  2177         AC_MSG_RESULT($have_usbhid)
  2178 
  2179         if test x$have_usbhid = xyes; then
  2180             AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
  2181             have_usbhid_ucr_data=no
  2182             AC_TRY_COMPILE([
  2183               #include <sys/types.h>
  2184               #if defined(HAVE_USB_H)
  2185               #include <usb.h>
  2186               #endif
  2187               #ifdef __DragonFly__
  2188               # include <bus/usb/usb.h>
  2189               # include <bus/usb/usbhid.h>
  2190               #else
  2191               # include <dev/usb/usb.h>
  2192               # include <dev/usb/usbhid.h>
  2193               #endif
  2194               #if defined(HAVE_USBHID_H)
  2195               #include <usbhid.h>
  2196               #elif defined(HAVE_LIBUSB_H)
  2197               #include <libusb.h>
  2198               #elif defined(HAVE_LIBUSBHID_H)
  2199               #include <libusbhid.h>
  2200               #endif
  2201             ],[
  2202               struct usb_ctl_report buf;
  2203               if (buf.ucr_data) { }
  2204             ],[
  2205             have_usbhid_ucr_data=yes
  2206             ])
  2207             if test x$have_usbhid_ucr_data = xyes; then
  2208                 USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
  2209             fi
  2210             AC_MSG_RESULT($have_usbhid_ucr_data)
  2211             
  2212             AC_MSG_CHECKING(for new usbhid API)
  2213             have_usbhid_new=no
  2214             AC_TRY_COMPILE([
  2215               #include <sys/types.h>
  2216               #if defined(HAVE_USB_H)
  2217               #include <usb.h>
  2218               #endif
  2219               #ifdef __DragonFly__
  2220               #include <bus/usb/usb.h>
  2221               #include <bus/usb/usbhid.h>
  2222               #else
  2223               #include <dev/usb/usb.h>
  2224               #include <dev/usb/usbhid.h>
  2225               #endif
  2226               #if defined(HAVE_USBHID_H)
  2227               #include <usbhid.h>
  2228               #elif defined(HAVE_LIBUSB_H)
  2229               #include <libusb.h>
  2230               #elif defined(HAVE_LIBUSBHID_H)
  2231               #include <libusbhid.h>
  2232               #endif
  2233             ],[
  2234               report_desc_t d;
  2235               hid_start_parse(d, 1, 1);
  2236             ],[
  2237             have_usbhid_new=yes
  2238             ])
  2239             if test x$have_usbhid_new = xyes; then
  2240                 USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
  2241             fi
  2242             AC_MSG_RESULT($have_usbhid_new)
  2243 
  2244             AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
  2245             have_machine_joystick=no
  2246             AC_TRY_COMPILE([
  2247               #include <machine/joystick.h>
  2248             ],[
  2249               struct joystick t;
  2250             ],[
  2251             have_machine_joystick=yes
  2252             ])
  2253             if test x$have_machine_joystick = xyes; then
  2254                 AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H)
  2255             fi
  2256             AC_MSG_RESULT($have_machine_joystick)
  2257 
  2258             AC_DEFINE(SDL_JOYSTICK_USBHID)
  2259             SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
  2260             EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
  2261             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
  2262             have_joystick=yes
  2263         fi
  2264         CFLAGS="$save_CFLAGS"
  2265     fi
  2266 }
  2267 
  2268 dnl Check for clock_gettime()
  2269 CheckClockGettime()
  2270 {
  2271     AC_ARG_ENABLE(clock_gettime,
  2272 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=no]]]),
  2273                   , enable_clock_gettime=no)
  2274     if test x$enable_clock_gettime = xyes; then
  2275         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
  2276         if test x$have_clock_gettime = xyes; then
  2277             AC_DEFINE(HAVE_CLOCK_GETTIME)
  2278             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
  2279         fi
  2280     fi
  2281 }
  2282 
  2283 dnl Check for a valid linux/version.h
  2284 CheckLinuxVersion()
  2285 {
  2286     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
  2287     if test x$have_linux_version_h = xyes; then
  2288         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
  2289     fi
  2290 }
  2291 
  2292 dnl Check if we want to use RPATH
  2293 CheckRPATH()
  2294 {
  2295     AC_ARG_ENABLE(rpath,
  2296 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
  2297                   , enable_rpath=yes)
  2298 }
  2299 
  2300 dnl Set up the configuration based on the host platform!
  2301 case "$host" in
  2302     arm-*-elf*) # FIXME: Can we get more specific for iPodLinux?
  2303         ARCH=linux
  2304         CheckDummyVideo
  2305         CheckIPod
  2306         # Set up files for the timer library
  2307         if test x$enable_timers = xyes; then
  2308             AC_DEFINE(SDL_TIMER_UNIX)
  2309             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2310             have_timers=yes
  2311         fi
  2312         ;;
  2313     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-irix*|*-*-aix*|*-*-osf*)
  2314         case "$host" in
  2315             *-*-linux*)         ARCH=linux ;;
  2316             *-*-uclinux*)       ARCH=linux ;;
  2317             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
  2318             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
  2319             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
  2320             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
  2321             *-*-bsdi*)          ARCH=bsdi ;;
  2322             *-*-freebsd*)       ARCH=freebsd ;;
  2323             *-*-dragonfly*)     ARCH=freebsd ;;
  2324             *-*-netbsd*)        ARCH=netbsd ;;
  2325             *-*-openbsd*)       ARCH=openbsd ;;
  2326             *-*-sysv5*)         ARCH=sysv5 ;;
  2327             *-*-solaris*)       ARCH=solaris ;;
  2328             *-*-hpux*)          ARCH=hpux ;;
  2329             *-*-irix*)          ARCH=irix ;;
  2330             *-*-aix*)           ARCH=aix ;;
  2331             *-*-osf*)           ARCH=osf ;;
  2332         esac
  2333         CheckVisibilityHidden
  2334         CheckDummyVideo
  2335         CheckDiskAudio
  2336         CheckDummyAudio
  2337         CheckDLOPEN
  2338         CheckNASM
  2339         CheckAltivec
  2340         CheckOSS
  2341         CheckDMEDIA
  2342         CheckMME
  2343         CheckALSA
  2344         CheckARTSC
  2345         CheckESD
  2346         CheckPulseAudio
  2347         CheckNAS
  2348         CheckX11
  2349         CheckNANOX
  2350         CheckFBCON
  2351         CheckDirectFB
  2352         CheckPS2GS
  2353         CheckPS3
  2354         CheckGGI
  2355         CheckSVGA
  2356         CheckVGL
  2357         CheckWscons
  2358         CheckAAlib
  2359         CheckCaca
  2360         CheckQtopia
  2361         CheckPicoGUI
  2362         CheckOpenGLX11
  2363         CheckInputEvents
  2364         CheckTslib
  2365         CheckUSBHID
  2366         CheckPTHREAD
  2367         CheckClockGettime
  2368         CheckLinuxVersion
  2369         CheckRPATH
  2370         # Set up files for the audio library
  2371         if test x$enable_audio = xyes; then
  2372           case $ARCH in
  2373             sysv5|solaris|hpux)
  2374                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO)
  2375                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  2376                 have_audio=yes
  2377             ;;
  2378             netbsd|openbsd)
  2379                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD)
  2380                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
  2381                 have_audio=yes
  2382             ;;
  2383             aix)
  2384                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUD)
  2385                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
  2386                 have_audio=yes
  2387             ;;
  2388           esac
  2389         fi
  2390         # Set up files for the joystick library
  2391         if test x$enable_joystick = xyes; then
  2392           case $ARCH in
  2393             linux)
  2394                 AC_DEFINE(SDL_JOYSTICK_LINUX)
  2395                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
  2396                 have_joystick=yes
  2397             ;;
  2398           esac
  2399         fi
  2400         # Set up files for the cdrom library
  2401         if test x$enable_cdrom = xyes; then
  2402           case $ARCH in
  2403             linux|solaris)
  2404                 AC_DEFINE(SDL_CDROM_LINUX)
  2405                 SOURCES="$SOURCES $srcdir/src/cdrom/linux/*.c"
  2406                 have_cdrom=yes
  2407             ;;
  2408             *freebsd*)
  2409                 AC_DEFINE(SDL_CDROM_FREEBSD)
  2410                 SOURCES="$SOURCES $srcdir/src/cdrom/freebsd/*.c"
  2411                 have_cdrom=yes
  2412             ;;
  2413             *openbsd*|*netbsd*)
  2414                 AC_DEFINE(SDL_CDROM_OPENBSD)
  2415                 SOURCES="$SOURCES $srcdir/src/cdrom/openbsd/*.c"
  2416                 have_cdrom=yes
  2417             ;;
  2418             bsdi)
  2419                 AC_DEFINE(SDL_CDROM_BSDI)
  2420                 SOURCES="$SOURCES $srcdir/src/cdrom/bsdi/*.c"
  2421                 have_cdrom=yes
  2422             ;;
  2423             aix)
  2424                 AC_DEFINE(SDL_CDROM_AIX)
  2425                 SOURCES="$SOURCES $srcdir/src/cdrom/aix/*.c"
  2426                 have_cdrom=yes
  2427             ;;
  2428             osf)
  2429                 AC_DEFINE(SDL_CDROM_OSF)
  2430                 SOURCES="$SOURCES $srcdir/src/cdrom/osf/*.c"
  2431                 have_cdrom=yes
  2432             ;;
  2433           esac
  2434         fi
  2435         # Set up files for the thread library
  2436         if test x$enable_threads = xyes -a x$use_pthreads != xyes -a x$use_pth != xyes -a x$ARCH = xirix; then
  2437             AC_DEFINE(SDL_THREAD_SPROC)
  2438             SOURCES="$SOURCES $srcdir/src/thread/irix/*.c"
  2439             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_sysmutex.c"
  2440             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2441             have_threads=yes
  2442         fi
  2443         # Set up files for the timer library
  2444         if test x$enable_timers = xyes; then
  2445             AC_DEFINE(SDL_TIMER_UNIX)
  2446             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2447             have_timers=yes
  2448         fi
  2449         ;;
  2450     *-*-qnx*)
  2451         ARCH=qnx
  2452         CheckDummyVideo
  2453         CheckDiskAudio
  2454         CheckDummyAudio
  2455         # CheckNASM
  2456         CheckDLOPEN
  2457         CheckNAS
  2458         CheckPHOTON
  2459         CheckX11
  2460         CheckOpenGLX11
  2461         CheckPTHREAD
  2462         # Set up files for the audio library
  2463         if test x$enable_audio = xyes; then
  2464             AC_DEFINE(SDL_AUDIO_DRIVER_QNXNTO)
  2465             SOURCES="$SOURCES $srcdir/src/audio/nto/*.c"
  2466             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lasound"
  2467             have_audio=yes
  2468         fi
  2469         # Set up files for the cdrom library
  2470         if test x$enable_cdrom = xyes; then
  2471             AC_DEFINE(SDL_CDROM_QNX)
  2472             SOURCES="$SOURCES $srcdir/src/cdrom/qnx/*.c"
  2473             have_cdrom=yes
  2474         fi
  2475         # Set up files for the timer library
  2476         if test x$enable_timers = xyes; then
  2477             AC_DEFINE(SDL_TIMER_UNIX)
  2478             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2479             have_timers=yes
  2480         fi
  2481         ;;
  2482     *-*-cygwin* | *-*-mingw32*)
  2483         ARCH=win32
  2484         if test "$build" != "$host"; then # cross-compiling
  2485             # Default cross-compile location
  2486             ac_default_prefix=/usr/local/cross-tools/i386-mingw32
  2487         else
  2488             # Look for the location of the tools and install there
  2489             if test "$BUILD_PREFIX" != ""; then
  2490                 ac_default_prefix=$BUILD_PREFIX
  2491             fi
  2492         fi
  2493         CheckDummyVideo
  2494         CheckDiskAudio
  2495         CheckDummyAudio
  2496         CheckWIN32
  2497         CheckWIN32GL
  2498         CheckDIRECTX
  2499         CheckNASM
  2500         # Set up files for the audio library
  2501         if test x$enable_audio = xyes; then
  2502             AC_DEFINE(SDL_AUDIO_DRIVER_WAVEOUT)
  2503             SOURCES="$SOURCES $srcdir/src/audio/windib/*.c"
  2504             if test x$have_directx = xyes; then
  2505                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND)
  2506                 SOURCES="$SOURCES $srcdir/src/audio/windx5/*.c"
  2507             fi
  2508             have_audio=yes
  2509         fi
  2510         # Set up files for the joystick library
  2511         if test x$enable_joystick = xyes; then
  2512             AC_DEFINE(SDL_JOYSTICK_WINMM)
  2513             SOURCES="$SOURCES $srcdir/src/joystick/win32/*.c"
  2514             have_joystick=yes
  2515         fi
  2516         # Set up files for the cdrom library
  2517         if test x$enable_cdrom = xyes; then
  2518             AC_DEFINE(SDL_CDROM_WIN32)
  2519             SOURCES="$SOURCES $srcdir/src/cdrom/win32/*.c"
  2520             have_cdrom=yes
  2521         fi
  2522         # Set up files for the thread library
  2523         if test x$enable_threads = xyes; then
  2524             AC_DEFINE(SDL_THREAD_WIN32)
  2525             SOURCES="$SOURCES $srcdir/src/thread/win32/SDL_sysmutex.c"
  2526             SOURCES="$SOURCES $srcdir/src/thread/win32/SDL_syssem.c"
  2527             SOURCES="$SOURCES $srcdir/src/thread/win32/SDL_systhread.c"
  2528             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2529             have_threads=yes
  2530         fi
  2531         # Set up files for the timer library
  2532         if test x$enable_timers = xyes; then
  2533             AC_DEFINE(SDL_TIMER_WIN32)
  2534             SOURCES="$SOURCES $srcdir/src/timer/win32/*.c"
  2535             have_timers=yes
  2536         fi
  2537         # Set up files for the shared object loading library
  2538         if test x$enable_loadso = xyes; then
  2539             AC_DEFINE(SDL_LOADSO_WIN32)
  2540             SOURCES="$SOURCES $srcdir/src/loadso/win32/*.c"
  2541             have_loadso=yes
  2542         fi
  2543         # Set up the system libraries we need
  2544         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm"
  2545         if test x$have_directx = xyes; then
  2546             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldxguid"
  2547         fi
  2548         # The Win32 platform requires special setup
  2549         SOURCES="$SOURCES $srcdir/src/main/win32/*.rc"
  2550         SDLMAIN_SOURCES="$srcdir/src/main/win32/*.c"
  2551         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
  2552         SDL_LIBS="-lmingw32 -lSDLmain $SDL_LIBS -mwindows"
  2553         ;;
  2554     *-wince*)
  2555         ARCH=win32
  2556         CheckDummyVideo
  2557         CheckDiskAudio
  2558         CheckDummyAudio
  2559         CheckWIN32
  2560         CheckNASM
  2561         SOURCES="$SOURCES $srcdir/src/video/gapi/*.c"
  2562         EXTRA_CFLAGS="$EXTRA_CFLAGS -D_WIN32_WCE=0x420"
  2563         if test x$enable_audio = xyes; then
  2564             AC_DEFINE(SDL_AUDIO_DRIVER_WAVEOUT)
  2565             SOURCES="$SOURCES $srcdir/src/audio/windib/*.c"
  2566             have_audio=yes
  2567         fi
  2568         # Set up files for the thread library
  2569         if test x$enable_threads = xyes; then
  2570             AC_DEFINE(SDL_THREAD_WIN32)
  2571             SOURCES="$SOURCES $srcdir/src/thread/win32/SDL_sysmutex.c"
  2572             SOURCES="$SOURCES $srcdir/src/thread/win32/SDL_syssem.c"
  2573             SOURCES="$SOURCES $srcdir/src/thread/win32/SDL_systhread.c"
  2574             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2575             have_threads=yes
  2576         fi
  2577         # Set up files for the timer library
  2578         if test x$enable_timers = xyes; then
  2579             AC_DEFINE(SDL_TIMER_WINCE)
  2580             SOURCES="$SOURCES $srcdir/src/timer/wince/*.c"
  2581             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lcoredll -lmmtimer"
  2582             have_timers=yes
  2583         fi
  2584         # Set up files for the shared object loading library
  2585         if test x$enable_loadso = xyes; then
  2586             AC_DEFINE(SDL_LOADSO_WIN32)
  2587             SOURCES="$SOURCES $srcdir/src/loadso/win32/*.c"
  2588             have_loadso=yes
  2589         fi
  2590         # Set up the system libraries we need
  2591         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lcoredll -lcommctrl"
  2592         # The Win32 platform requires special setup
  2593         SDLMAIN_SOURCES="$srcdir/src/main/win32/*.c"
  2594         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main -D_WIN32_WCE=0x420"
  2595         SDL_LIBS="-lSDLmain $SDL_LIBS"
  2596         ;;
  2597     *-*-beos* | *-*-haiku*)
  2598         ARCH=beos
  2599         ac_default_prefix=/boot/develop/tools/gnupro
  2600         CheckDummyVideo
  2601         CheckDiskAudio
  2602         CheckDummyAudio
  2603         CheckNASM
  2604         CheckBWINDOW
  2605         CheckBeGL
  2606         # Set up files for the audio library
  2607         if test x$enable_audio = xyes; then
  2608             AC_DEFINE(SDL_AUDIO_DRIVER_BAUDIO)
  2609             SOURCES="$SOURCES $srcdir/src/audio/baudio/*.cc"
  2610             have_audio=yes
  2611         fi
  2612         # Set up files for the joystick library
  2613         if test x$enable_joystick = xyes; then
  2614             AC_DEFINE(SDL_JOYSTICK_BEOS)
  2615             SOURCES="$SOURCES $srcdir/src/joystick/beos/*.cc"
  2616             have_joystick=yes
  2617         fi
  2618         # Set up files for the cdrom library
  2619         if test x$enable_cdrom = xyes; then
  2620             AC_DEFINE(SDL_CDROM_BEOS)
  2621             SOURCES="$SOURCES $srcdir/src/cdrom/beos/*.cc"
  2622             have_cdrom=yes
  2623         fi
  2624         # Set up files for the thread library
  2625         if test x$enable_threads = xyes; then
  2626             AC_DEFINE(SDL_THREAD_BEOS)
  2627             SOURCES="$SOURCES $srcdir/src/thread/beos/*.c"
  2628             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_sysmutex.c"
  2629             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  2630             have_threads=yes
  2631         fi
  2632         # Set up files for the timer library
  2633         if test x$enable_timers = xyes; then
  2634             AC_DEFINE(SDL_TIMER_BEOS)
  2635             SOURCES="$SOURCES $srcdir/src/timer/beos/*.c"
  2636             have_timers=yes
  2637         fi
  2638         # Set up files for the shared object loading library
  2639         if test x$enable_loadso = xyes; then
  2640             case "$host" in
  2641                 *-*-beos*)
  2642                     AC_DEFINE(SDL_LOADSO_BEOS)
  2643                     SOURCES="$SOURCES $srcdir/src/loadso/beos/*.c"
  2644                 ;;
  2645                 *-*-haiku*)
  2646                     AC_DEFINE(SDL_LOADSO_DLOPEN)
  2647                     SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
  2648                 ;;
  2649             esac    
  2650             have_loadso=yes
  2651         fi
  2652         # The BeOS platform requires special setup.
  2653         SOURCES="$srcdir/src/main/beos/*.cc $SOURCES"
  2654         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
  2655         ;;
  2656     *-*-darwin* )
  2657         # This could be either full "Mac OS X", or plain "Darwin" which is
  2658         # just the OS X kernel sans upper layers like Carbon and Cocoa.
  2659         # Next line is broken, and a few files below require Mac OS X (full)
  2660         ARCH=macosx
  2661 
  2662         # Mac OS X builds with both the Carbon and OSX APIs at the moment
  2663         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
  2664         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
  2665 
  2666         # HACK: Reset EXTRA_LDFLAGS; the only thing it contains at this point
  2667         # is -lm which is not needed under Mac OS X. But for some reasons it
  2668         # also tends to contain spurious -L switches, which we don't want to
  2669         # use here or in sdl-config. Hence we reset it.
  2670         EXTRA_LDFLAGS=""
  2671 
  2672         CheckVisibilityHidden
  2673         CheckDummyVideo
  2674         CheckDiskAudio
  2675         CheckDummyAudio
  2676         CheckDLOPEN
  2677         CheckNASM
  2678 
  2679         # Set up files for the shared object loading library
  2680         # (this needs to be done before the dynamic X11 check)
  2681         if test x$enable_loadso = xyes -a x$have_dlopen != xyes; then
  2682             AC_DEFINE(SDL_LOADSO_DLCOMPAT)
  2683             SOURCES="$SOURCES $srcdir/src/loadso/macosx/*.c"
  2684             have_loadso=yes
  2685         fi
  2686 
  2687         CheckCOCOA
  2688         CheckCARBON
  2689         CheckX11
  2690         CheckMacGL
  2691         CheckOpenGLX11
  2692         CheckPTHREAD
  2693         CheckAltivec
  2694 
  2695         # Need this or things might misbuild on a G3.
  2696         EXTRA_CFLAGS="$EXTRA_CFLAGS -force_cpusubtype_ALL"
  2697 
  2698         # Set up files for the audio library
  2699         if test x$enable_audio = xyes; then
  2700             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO)
  2701             SOURCES="$SOURCES $srcdir/src/audio/macosx/*.c"
  2702             have_audio=yes
  2703         fi
  2704         # Set up files for the joystick library
  2705         if test x$enable_joystick = xyes; then
  2706             AC_DEFINE(SDL_JOYSTICK_IOKIT)
  2707             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
  2708             have_joystick=yes
  2709             need_iokit_framework=yes
  2710         fi
  2711         # Set up files for the cdrom library
  2712         if test x$enable_cdrom = xyes; then
  2713             AC_DEFINE(SDL_CDROM_MACOSX)
  2714             SOURCES="$SOURCES $srcdir/src/cdrom/macosx/*.c"
  2715             have_cdrom=yes
  2716         fi
  2717         # Set up files for the timer library
  2718         if test x$enable_timers = xyes; then
  2719             AC_DEFINE(SDL_TIMER_UNIX)
  2720             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2721             have_timers=yes
  2722         fi
  2723         # The Mac OS X platform requires special setup.
  2724         SDLMAIN_SOURCES="$srcdir/src/main/macosx/*.m"
  2725         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  2726         SDL_LIBS="-lSDLmain $SDL_LIBS"
  2727         if test x$enable_video_cocoa = xyes; then
  2728             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
  2729             need_iokit_framework=yes
  2730         fi
  2731         if test x$enable_video_carbon = xyes -o x$enable_video_cocoa = xyes; then
  2732             # The Cocoa backend still needs Carbon
  2733             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ApplicationServices"
  2734             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
  2735         fi
  2736         # If either the audio or CD driver is used, add the AudioUnit framework
  2737         if test x$enable_audio = xyes -o x$enable_cdrom = xyes; then
  2738             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit"
  2739         fi
  2740         # Some subsystems reference IOKit...
  2741         if test x$need_iokit_framework = xyes; then
  2742             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
  2743         fi
  2744         ;;
  2745     *-*-mint*)
  2746         ARCH=mint
  2747         CheckDummyVideo
  2748         CheckDiskAudio
  2749         CheckDummyAudio
  2750         CheckAtariBiosEvent
  2751         CheckAtariXbiosVideo
  2752         CheckAtariGemVideo
  2753         CheckAtariAudio
  2754         CheckAtariLdg
  2755         CheckAtariOSMesa
  2756         CheckPTH
  2757         # Set up files for the audio library
  2758         if test x$enable_threads = xyes -a x$enable_pth = xyes; then
  2759             if test x$enable_audio = xyes; then
  2760                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO)
  2761                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  2762                 have_audio=yes
  2763             fi
  2764         fi
  2765         # Set up files for the joystick library
  2766         if test x$enable_joystick = xyes; then
  2767             AC_DEFINE(SDL_JOYSTICK_MINT)
  2768             SOURCES="$SOURCES $srcdir/src/joystick/mint/*.c"
  2769             have_joystick=yes
  2770         fi
  2771         # Set up files for the cdrom library
  2772         if test x$enable_cdrom = xyes; then
  2773             AC_DEFINE(SDL_CDROM_MINT)
  2774             SOURCES="$SOURCES $srcdir/src/cdrom/mint/*.c"
  2775             have_cdrom=yes
  2776         fi
  2777         # Set up files for the timer library
  2778         if test x$enable_timers = xyes; then
  2779             if test x$enable_threads = xyes -a x$enable_pth = xyes; then
  2780                 AC_DEFINE(SDL_TIMER_UNIX)
  2781                 SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  2782             else
  2783                 AC_DEFINE(SDL_TIMER_MINT)
  2784                 SOURCES="$SOURCES $srcdir/src/timer/mint/*.c"
  2785                 SOURCES="$SOURCES $srcdir/src/timer/mint/*.S"
  2786             fi
  2787             have_timers=yes
  2788         fi
  2789         ;;
  2790     *-riscos)
  2791         ARCH=riscos
  2792         CheckOSS
  2793         CheckPTHREAD
  2794         # Set up files for the video library
  2795         if test x$enable_video = xyes; then
  2796             AC_DEFINE(SDL_VIDEO_DRIVER_RISCOS)
  2797             SOURCES="$SOURCES $srcdir/src/video/riscos/*.c"
  2798             SOURCES="$SOURCES $srcdir/src/video/riscos/*.S"
  2799             have_video=yes
  2800         fi
  2801         # Set up files for the joystick library
  2802         if test x$enable_joystick = xyes; then
  2803             AC_DEFINE(SDL_JOYSTICK_RISCOS)
  2804             SOURCES="$SOURCES $srcdir/src/joystick/riscos/*.c"
  2805             have_joystick=yes
  2806         fi
  2807         # Set up files for the timer library
  2808         if test x$enable_timers = xyes; then
  2809             AC_DEFINE(SDL_TIMER_RISCOS)
  2810             SOURCES="$SOURCES $srcdir/src/timer/riscos/*.c"
  2811             have_timers=yes
  2812         fi
  2813         # The RISC OS platform requires special setup.
  2814         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ljpeg -ltiff -lpng -lz"
  2815         ;;
  2816     *)
  2817         AC_MSG_ERROR([
  2818 *** Unsupported host:  Please add to configure.in
  2819         ])
  2820         ;;
  2821 esac
  2822 
  2823 dnl Do this on all platforms, after everything else.
  2824 CheckWarnAll
  2825 
  2826 # Verify that we have all the platform specific files we need
  2827 
  2828 if test x$enable_joystick = xyes; then
  2829   if test x$have_joystick != xyes; then
  2830     # Wants joystick subsystem, but doesn't have a platform-specific backend...
  2831     AC_DEFINE(SDL_JOYSTICK_DUMMY)
  2832     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
  2833   fi
  2834 fi
  2835 if test x$have_cdrom != xyes; then
  2836     if test x$enable_cdrom = xyes; then
  2837         AC_DEFINE(SDL_CDROM_DISABLED)
  2838     fi
  2839     SOURCES="$SOURCES $srcdir/src/cdrom/dummy/*.c"
  2840 fi
  2841 if test x$have_threads != xyes; then
  2842     if test x$enable_threads = xyes; then
  2843         AC_DEFINE(SDL_THREADS_DISABLED)
  2844     fi
  2845     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
  2846 fi
  2847 if test x$have_timers != xyes; then
  2848     if test x$enable_timers = xyes; then
  2849         AC_DEFINE(SDL_TIMERS_DISABLED)
  2850     fi
  2851     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
  2852 fi
  2853 if test x$have_loadso != xyes; then
  2854     if test x$enable_loadso = xyes; then
  2855         AC_DEFINE(SDL_LOADSO_DISABLED)
  2856     fi
  2857     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
  2858 fi
  2859 if test x$SDLMAIN_SOURCES = x; then
  2860     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
  2861 fi
  2862 
  2863 OBJECTS=`echo $SOURCES | sed 's,[[^ ]]*/\([[^ ]]*\)\.asm,$(objects)/\1.lo,g'`
  2864 OBJECTS=`echo $OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.cc,$(objects)/\1.lo,g'`
  2865 OBJECTS=`echo $OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.m,$(objects)/\1.lo,g'`
  2866 OBJECTS=`echo $OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.lo,g'`
  2867 OBJECTS=`echo $OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.S,$(objects)/\1.lo,g'`
  2868 OBJECTS=`echo $OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
  2869 
  2870 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES | sed 's,[[^ ]]*/\([[^ ]]*\)\.cc,$(objects)/\1.o,g'`
  2871 SDLMAIN_OBJECTS=`echo $SDLMAIN_OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.m,$(objects)/\1.o,g'`
  2872 SDLMAIN_OBJECTS=`echo $SDLMAIN_OBJECTS | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  2873 
  2874 # Set runtime shared library paths as needed
  2875 
  2876 if test "x$enable_rpath" = "xyes"; then
  2877   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = irix -o $ARCH = linux -o $ARCH = netbsd; then
  2878     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
  2879   fi
  2880   if test $ARCH = solaris; then
  2881     SDL_RLD_FLAGS="-R\${libdir}"
  2882   fi
  2883 else
  2884   SDL_RLD_FLAGS=""
  2885 fi
  2886 
  2887 case "$ARCH" in
  2888   macosx)
  2889     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  2890       SDL_LIBS="$SDL_LIBS -Wl,-framework,Cocoa"
  2891     fi
  2892     if test x$enable_video = xyes -a x$enable_video_carbon = xyes; then
  2893       SDL_LIBS="$SDL_LIBS -Wl,-framework,Carbon"
  2894     fi
  2895     # Evil hack to allow static linking on Mac OS X
  2896     SDL_STATIC_LIBS="\${libdir}/libSDLmain.a \${libdir}/libSDL.a $EXTRA_LDFLAGS"
  2897     ;;
  2898   *)
  2899     SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
  2900     ;;
  2901 esac
  2902 
  2903 dnl Expand the cflags and libraries needed by apps using SDL
  2904 AC_SUBST(SDL_CFLAGS)
  2905 AC_SUBST(SDL_LIBS)
  2906 AC_SUBST(SDL_STATIC_LIBS)
  2907 AC_SUBST(SDL_RLD_FLAGS)
  2908 if test x$enable_shared = xyes; then
  2909     ENABLE_SHARED_TRUE=
  2910     ENABLE_SHARED_FALSE="#"
  2911 else
  2912     ENABLE_SHARED_TRUE="#"
  2913     ENABLE_SHARED_FALSE=
  2914 fi
  2915 if test x$enable_static = xyes; then
  2916     ENABLE_STATIC_TRUE=
  2917     ENABLE_STATIC_FALSE="#"
  2918 else
  2919     ENABLE_STATIC_TRUE="#"
  2920     ENABLE_STATIC_FALSE=
  2921 fi
  2922 AC_SUBST(ENABLE_SHARED_TRUE)
  2923 AC_SUBST(ENABLE_SHARED_FALSE)
  2924 AC_SUBST(ENABLE_STATIC_TRUE)
  2925 AC_SUBST(ENABLE_STATIC_FALSE)
  2926 
  2927 dnl Expand the sources and objects needed to build the library
  2928 AC_SUBST(ac_aux_dir)
  2929 AC_SUBST(INCLUDE)
  2930 AC_SUBST(SOURCES)
  2931 AC_SUBST(OBJECTS)
  2932 AC_SUBST(SDLMAIN_SOURCES)
  2933 AC_SUBST(SDLMAIN_OBJECTS)
  2934 AC_SUBST(BUILD_CFLAGS)
  2935 AC_SUBST(EXTRA_CFLAGS)
  2936 AC_SUBST(BUILD_LDFLAGS)
  2937 AC_SUBST(EXTRA_LDFLAGS)
  2938 AC_SUBST(WINDRES)
  2939 
  2940 AC_OUTPUT([
  2941     Makefile sdl-config SDL.spec SDL.qpg sdl.pc
  2942 ], [
  2943     : >build-deps
  2944     if test x"$MAKE" = x; then MAKE=make; fi; $MAKE depend
  2945 ])