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configure.in
2560 lines (2416 loc) · 88.1 KB
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dnl Process this file with autoconf to produce a configure script.
AC_INIT(README)
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AC_CONFIG_HEADER(include/SDL_config.h)
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AC_GNU_SOURCE
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dnl Set various version strings - taken gratefully from the GTk sources
#
# Making releases:
# Edit include/SDL/SDL_version.h and change the version, then:
# SDL_MICRO_VERSION += 1;
# SDL_INTERFACE_AGE += 1;
# SDL_BINARY_AGE += 1;
# if any functions have been added, set SDL_INTERFACE_AGE to 0.
# if backwards compatibility has been broken,
# set SDL_BINARY_AGE and SDL_INTERFACE_AGE to 0.
#
SDL_MAJOR_VERSION=1
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SDL_MINOR_VERSION=3
SDL_MICRO_VERSION=0
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SDL_INTERFACE_AGE=0
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SDL_BINARY_AGE=0
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SDL_VERSION=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION.$SDL_MICRO_VERSION
AC_SUBST(SDL_MAJOR_VERSION)
AC_SUBST(SDL_MINOR_VERSION)
AC_SUBST(SDL_MICRO_VERSION)
AC_SUBST(SDL_INTERFACE_AGE)
AC_SUBST(SDL_BINARY_AGE)
AC_SUBST(SDL_VERSION)
# libtool versioning
LT_RELEASE=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION
LT_CURRENT=`expr $SDL_MICRO_VERSION - $SDL_INTERFACE_AGE`
LT_REVISION=$SDL_INTERFACE_AGE
LT_AGE=`expr $SDL_BINARY_AGE - $SDL_INTERFACE_AGE`
AC_SUBST(LT_RELEASE)
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)
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dnl Detect the canonical build and host environments
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AC_CONFIG_AUX_DIRS($srcdir/build-scripts)
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AC_CANONICAL_HOST
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AC_C_BIGENDIAN
if test x$ac_cv_c_bigendian = xyes; then
AC_DEFINE(SDL_BYTEORDER, 4321)
else
AC_DEFINE(SDL_BYTEORDER, 1234)
fi
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dnl Set up the compiler and linker flags
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INCLUDE="-I$srcdir/include"
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if test x$srcdir != x.; then
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# Remove SDL_config.h from the source directory, since it's the
# default one, and we want to include the one that we generate.
if test -f $srcdir/include/SDL_config.h; then
rm $srcdir/include/SDL_config.h
fi
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INCLUDE="-Iinclude $INCLUDE"
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fi
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case "$host" in
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*-*-cygwin*)
# We build SDL on cygwin without the UNIX emulation layer
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BASE_CFLAGS="-I/usr/include/mingw -mno-cygwin"
BASE_LDFLAGS="-mno-cygwin"
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;;
*)
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BASE_CFLAGS="-D_GNU_SOURCE=1"
BASE_LDFLAGS=""
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;;
esac
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BUILD_CFLAGS="$CFLAGS $CPPFLAGS"
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EXTRA_CFLAGS="$INCLUDE $BASE_CFLAGS"
BUILD_LDFLAGS="$LDFLAGS"
EXTRA_LDFLAGS="$BASE_LDFLAGS"
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# I can't remember why I added this. I'm sure it'll come to me...
#for path in /usr/local; do
# if test -d $path/include; then
# EXTRA_CFLAGS="$EXTRA_CFLAGS -I$path/include"
# fi
# if test -d $path/lib; then
# EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L$path/lib"
# fi
#done
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SDL_CFLAGS="$BASE_CFLAGS"
SDL_LIBS="-lSDL $BASE_LDFLAGS"
CPPFLAGS="$CPPFLAGS $EXTRA_CFLAGS"
CFLAGS="$CFLAGS $EXTRA_CFLAGS"
LDFLAGS="$LDFLAGS $EXTRA_LDFLAGS"
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dnl Check for tools
AC_LIBTOOL_WIN32_DLL
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AC_PROG_LIBTOOL
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AC_PROG_CC
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AC_PROG_CXX
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AC_PROG_INSTALL
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AC_PROG_MAKE_SET
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dnl Check for compiler characteristics
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AC_C_CONST
AC_C_INLINE
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AC_C_VOLATILE
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dnl See whether we are allowed to use the system C library
AC_ARG_ENABLE(libc,
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AC_HELP_STRING([--enable-libc], [Use the system C library [[default=yes]]]),
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, enable_libc=yes)
if test x$enable_libc = xyes; then
AC_DEFINE(HAVE_LIBC)
dnl Check for C library headers
AC_HEADER_STDC
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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)
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dnl Check for typedefs, structures, etc.
AC_TYPE_SIZE_T
if test x$ac_cv_header_inttypes_h = xyes -o x$ac_cv_header_stdint_h = xyes; then
AC_CHECK_TYPE(int64_t)
if test x$ac_cv_type_int64_t = xyes; then
AC_DEFINE(SDL_HAS_64BIT_TYPE)
fi
have_inttypes=yes
fi
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dnl Checks for library functions.
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case "$host" in
*-*-cygwin* | *-*-mingw32*)
;;
*)
AC_FUNC_ALLOCA
;;
esac
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AC_FUNC_MEMCMP
if test x$ac_cv_func_memcmp_working = xyes; then
AC_DEFINE(HAVE_MEMCMP)
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fi
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AC_FUNC_STRTOD
if test x$ac_cv_func_strtod = xyes; then
AC_DEFINE(HAVE_STRTOD)
fi
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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)
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AC_CHECK_LIB(iconv, libiconv_open, [EXTRA_LDFLAGS="$EXTRA_LDFLAGS -liconv"])
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AC_CHECK_LIB(m, pow, [EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm"])
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fi
if test x$have_inttypes != xyes; then
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AC_CHECK_SIZEOF(char, 1)
AC_CHECK_SIZEOF(short, 2)
AC_CHECK_SIZEOF(int, 4)
AC_CHECK_SIZEOF(long, 4)
AC_CHECK_SIZEOF(long long, 8)
if test x$ac_cv_sizeof_char = x1; then
AC_DEFINE(int8_t, signed char)
AC_DEFINE(uint8_t, unsigned char)
fi
if test x$ac_cv_sizeof_short = x2; then
AC_DEFINE(int16_t, signed short)
AC_DEFINE(uint16_t, unsigned short)
else
if test x$ac_cv_sizeof_int = x2; then
AC_DEFINE(int16_t, signed int)
AC_DEFINE(uint16_t, unsigned int)
fi
fi
if test x$ac_cv_sizeof_int = x4; then
AC_DEFINE(int32_t, signed int)
AC_DEFINE(uint32_t, unsigned int)
else
if test x$ac_cv_sizeof_long = x4; then
AC_DEFINE(int32_t, signed long)
AC_DEFINE(uint32_t, unsigned long)
fi
fi
if test x$ac_cv_sizeof_long = x8; then
AC_DEFINE(int64_t, signed long)
AC_DEFINE(uint64_t, unsigned long)
AC_DEFINE(SDL_HAS_64BIT_TYPE)
else
if test x$ac_cv_sizeof_long_long = x8; then
AC_DEFINE(int64_t, signed long long)
AC_DEFINE(uint64_t, unsigned long long)
AC_DEFINE(SDL_HAS_64BIT_TYPE)
fi
fi
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AC_DEFINE(size_t, unsigned int)
AC_DEFINE(uintptr_t, unsigned long)
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fi
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# Standard C sources
SOURCES="$SOURCES $srcdir/src/*.c"
SOURCES="$SOURCES $srcdir/src/audio/*.c"
SOURCES="$SOURCES $srcdir/src/cdrom/*.c"
SOURCES="$SOURCES $srcdir/src/cpuinfo/*.c"
SOURCES="$SOURCES $srcdir/src/events/*.c"
SOURCES="$SOURCES $srcdir/src/file/*.c"
SOURCES="$SOURCES $srcdir/src/joystick/*.c"
SOURCES="$SOURCES $srcdir/src/stdlib/*.c"
SOURCES="$SOURCES $srcdir/src/thread/*.c"
SOURCES="$SOURCES $srcdir/src/timer/*.c"
SOURCES="$SOURCES $srcdir/src/video/*.c"
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dnl Enable/disable various subsystems of the SDL library
AC_ARG_ENABLE(audio,
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AC_HELP_STRING([--enable-audio], [Enable the audio subsystem [[default=yes]]]),
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, enable_audio=yes)
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if test x$enable_audio != xyes; then
AC_DEFINE(SDL_AUDIO_DISABLED)
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fi
AC_ARG_ENABLE(video,
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AC_HELP_STRING([--enable-video], [Enable the video subsystem [[default=yes]]]),
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, enable_video=yes)
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if test x$enable_video != xyes; then
AC_DEFINE(SDL_VIDEO_DISABLED)
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fi
AC_ARG_ENABLE(events,
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AC_HELP_STRING([--enable-events], [Enable the events subsystem [[default=yes]]]),
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, enable_events=yes)
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if test x$enable_events != xyes; then
AC_DEFINE(SDL_EVENTS_DISABLED)
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fi
AC_ARG_ENABLE(joystick,
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AC_HELP_STRING([--enable-joystick], [Enable the joystick subsystem [[default=yes]]]),
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, enable_joystick=yes)
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if test x$enable_joystick != xyes; then
AC_DEFINE(SDL_JOYSTICK_DISABLED)
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fi
AC_ARG_ENABLE(cdrom,
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AC_HELP_STRING([--enable-cdrom], [Enable the cdrom subsystem [[default=yes]]]),
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, enable_cdrom=yes)
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if test x$enable_cdrom != xyes; then
AC_DEFINE(SDL_CDROM_DISABLED)
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fi
AC_ARG_ENABLE(threads,
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AC_HELP_STRING([--enable-threads], [Enable the threading subsystem [[default=yes]]]),
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, enable_threads=yes)
if test x$enable_threads != xyes; then
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AC_DEFINE(SDL_THREADS_DISABLED)
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fi
AC_ARG_ENABLE(timers,
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AC_HELP_STRING([--enable-timers], [Enable the timer subsystem [[default=yes]]]),
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, enable_timers=yes)
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if test x$enable_timers != xyes; then
AC_DEFINE(SDL_TIMERS_DISABLED)
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fi
AC_ARG_ENABLE(file,
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AC_HELP_STRING([--enable-file], [Enable the file subsystem [[default=yes]]]),
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, enable_file=yes)
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if test x$enable_file != xyes; then
AC_DEFINE(SDL_FILE_DISABLED)
fi
AC_ARG_ENABLE(loadso,
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AC_HELP_STRING([--enable-loadso], [Enable the shared object loading subsystem [[default=yes]]]),
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, enable_loadso=yes)
if test x$enable_loadso != xyes; then
AC_DEFINE(SDL_LOADSO_DISABLED)
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fi
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AC_ARG_ENABLE(cpuinfo,
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AC_HELP_STRING([--enable-cpuinfo], [Enable the cpuinfo subsystem [[default=yes]]]),
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, enable_cpuinfo=yes)
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if test x$enable_cpuinfo != xyes; then
AC_DEFINE(SDL_CPUINFO_DISABLED)
fi
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AC_ARG_ENABLE(assembly,
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AC_HELP_STRING([--enable-assembly], [Enable assembly routines [[default=yes]]]),
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, enable_assembly=yes)
if test x$enable_assembly = xyes; then
AC_DEFINE(SDL_ASSEMBLY_ROUTINES)
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fi
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dnl See if the OSS audio interface is supported
CheckOSS()
{
AC_ARG_ENABLE(oss,
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AC_HELP_STRING([--enable-oss], [support the OSS audio API [[default=yes]]]),
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, enable_oss=yes)
if test x$enable_audio = xyes -a x$enable_oss = xyes; then
AC_MSG_CHECKING(for OSS audio support)
have_oss=no
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if test x$have_oss != xyes; then
AC_TRY_COMPILE([
#include <sys/soundcard.h>
],[
int arg = SNDCTL_DSP_SETFRAGMENT;
],[
have_oss=yes
])
fi
if test x$have_oss != xyes; then
AC_TRY_COMPILE([
#include <soundcard.h>
],[
int arg = SNDCTL_DSP_SETFRAGMENT;
],[
have_oss=yes
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AC_DEFINE(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H)
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])
fi
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AC_MSG_RESULT($have_oss)
if test x$have_oss = xyes; then
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AC_DEFINE(SDL_AUDIO_DRIVER_OSS)
SOURCES="$SOURCES $srcdir/src/audio/dsp/*.c"
SOURCES="$SOURCES $srcdir/src/audio/dma/*.c"
have_audio=yes
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# We may need to link with ossaudio emulation library
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case "$host" in
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*-*-openbsd*|*-*-netbsd*)
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EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lossaudio";;
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esac
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fi
fi
}
dnl See if the ALSA audio interface is supported
CheckALSA()
{
AC_ARG_ENABLE(alsa,
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AC_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),
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, enable_alsa=yes)
if test x$enable_audio = xyes -a x$enable_alsa = xyes; then
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AM_PATH_ALSA(0.9.0, have_alsa=yes, have_alsa=no)
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# Restore all flags from before the ALSA detection runs
CFLAGS="$alsa_save_CFLAGS"
LDFLAGS="$alsa_save_LDFLAGS"
LIBS="$alsa_save_LIBS"
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if test x$have_alsa = xyes; then
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AC_ARG_ENABLE(alsa-shared,
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AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
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, enable_alsa_shared=yes)
if test "x`echo $ALSA_LIBS | grep -- -L`" = "x"; then
if test "x`ls /lib/libasound.so.* 2> /dev/null`" != "x"; then
ALSA_LIBS="-L/lib $ALSA_LIBS"
elif test "x`ls /usr/lib/libasound.so.* 2> /dev/null`" != "x"; then
ALSA_LIBS="-L/usr/lib $ALSA_LIBS"
elif test "x`ls /usr/local/lib/libasound.so.* 2> /dev/null`" != "x"; then
ALSA_LIBS="-L/usr/local/lib $ALSA_LIBS"
fi
fi
alsa_lib_spec=`echo $ALSA_LIBS | sed 's/.*-L\([[^ ]]*\).*/\1\/libasound.so.*/'`
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alsa_lib=`ls -- $alsa_lib_spec | sed 's/.*\/\(.*\)/\1/; q'`
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echo "-- $alsa_lib_spec -> $alsa_lib"
AC_DEFINE(SDL_AUDIO_DRIVER_ALSA)
SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c"
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EXTRA_CFLAGS="$EXTRA_CFLAGS $ALSA_CFLAGS"
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if test x$have_loadso != xyes && \
test x$enable_alsa_shared = xyes; then
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AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading])
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fi
if test x$have_loadso = xyes && \
test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then
AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ALSA_DYNAMIC, "$alsa_lib")
else
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EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ALSA_LIBS"
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fi
have_audio=yes
fi
fi
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}
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dnl Check whether we want to use IRIX 6.5+ native audio or not
CheckDMEDIA()
{
if test x$enable_audio = xyes; then
AC_MSG_CHECKING(for dmedia audio support)
have_dmedia=no
AC_TRY_COMPILE([
#include <dmedia/audio.h>
],[
ALport audio_port;
],[
have_dmedia=yes
])
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AC_MSG_RESULT($have_dmedia)
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# Set up files for the audio library
if test x$have_dmedia = xyes; then
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AC_DEFINE(SDL_AUDIO_DRIVER_DMEDIA)
SOURCES="$SOURCES $srcdir/src/audio/dmedia/*.c"
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EXTRA_LDFLAGS="$EXTRA_LDFLAGS -laudio"
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have_audio=yes
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fi
fi
}
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dnl Check whether we want to use Tru64 UNIX native audio or not
CheckMME()
{
dnl Make sure we are running on an Tru64 UNIX
case $ARCH in
osf)
;;
*)
return
;;
esac
if test x$enable_audio = xyes; then
AC_MSG_CHECKING(for MME audio support)
MME_CFLAGS="-I/usr/include/mme"
MME_LIBS="-lmme"
have_mme=no
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $MME_CFLAGS"
AC_TRY_COMPILE([
#include <mme_api.h>
],[
HWAVEOUT sound;
],[
have_mme=yes
])
CFLAGS="$save_CFLAGS"
AC_MSG_RESULT($have_mme)
# Set up files for the audio library
if test x$have_mme = xyes; then
AC_DEFINE(SDL_AUDIO_DRIVER_MMEAUDIO)
SOURCES="$SOURCES $srcdir/src/audio/mme/*.c"
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EXTRA_CFLAGS="$EXTRA_CFLAGS $MME_CFLAGS"
EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MME_LIBS"
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have_audio=yes
fi
fi
}
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dnl Find the ESD includes and libraries
CheckESD()
{
AC_ARG_ENABLE(esd,
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AC_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),
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, enable_esd=yes)
if test x$enable_audio = xyes -a x$enable_esd = xyes; then
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AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no)
if test x$have_esd = xyes; then
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AC_ARG_ENABLE(esd-shared,
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AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
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, enable_esd_shared=yes)
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esd_lib_spec=`echo $ESD_LIBS | sed 's/.*-L\([[^ ]]*\).*/\1\/libesd.so.*/'`
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esd_lib=`ls -- $esd_lib_spec | sed 's/.*\/\(.*\)/\1/; q'`
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echo "-- $esd_lib_spec -> $esd_lib"
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AC_DEFINE(SDL_AUDIO_DRIVER_ESD)
SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"
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EXTRA_CFLAGS="$EXTRA_CFLAGS $ESD_CFLAGS"
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if test x$have_loadso != xyes && \
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test x$enable_esd_shared = xyes; then
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AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading])
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fi
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if test x$have_loadso = xyes && \
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test x$enable_esd_shared = xyes && test x$esd_lib != x; then
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AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib")
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else
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EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ESD_LIBS"
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fi
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have_audio=yes
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fi
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fi
}
CheckARTSC()
{
AC_ARG_ENABLE(arts,
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AC_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),
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, enable_arts=yes)
if test x$enable_audio = xyes -a x$enable_arts = xyes; then
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AC_PATH_PROG(ARTSCONFIG, artsc-config)
if test x$ARTSCONFIG = x -o x$ARTSCONFIG = x'"$ARTSCONFIG"'; then
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: # arts isn't installed
else
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ARTS_CFLAGS=`$ARTSCONFIG --cflags`
ARTS_LIBS=`$ARTSCONFIG --libs`
ARTS_PREFIX=`$ARTSCONFIG --arts-prefix`
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AC_MSG_CHECKING(for aRts development environment)
audio_arts=no
save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $ARTS_CFLAGS"
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AC_TRY_COMPILE([
#include <artsc.h>
],[
arts_stream_t stream;
],[
audio_arts=yes
])
CFLAGS="$save_CFLAGS"
AC_MSG_RESULT($audio_arts)
if test x$audio_arts = xyes; then
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AC_ARG_ENABLE(arts-shared,
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AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
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, enable_arts_shared=yes)
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arts_lib_spec="$ARTS_PREFIX/lib/libartsc.so.*"
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arts_lib=`ls -- $arts_lib_spec | sed 's/.*\/\(.*\)/\1/; q'`
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echo "-- $arts_lib_spec -> $arts_lib"
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AC_DEFINE(SDL_AUDIO_DRIVER_ARTS)
SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"
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EXTRA_CFLAGS="$EXTRA_CFLAGS $ARTS_CFLAGS"
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if test x$have_loadso != xyes && \
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test x$enable_arts_shared = xyes; then
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AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading])
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fi
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if test x$have_loadso = xyes && \
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test x$enable_arts_shared = xyes && test x$arts_lib != x; then
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AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib")
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else
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EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARTS_LIBS"
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fi
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have_audio=yes
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fi
fi
fi
}
dnl See if the NAS audio interface is supported
CheckNAS()
{
AC_ARG_ENABLE(nas,
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AC_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),
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, enable_nas=yes)
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if test x$enable_audio = xyes -a x$enable_nas = xyes; then
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AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes)
AC_CHECK_LIB(audio, AuOpenServer, have_nas_lib=yes)
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AC_MSG_CHECKING(for NAS audio support)
have_nas=no
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if test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then
have_nas=yes
NAS_LIBS="-laudio"
elif test -r /usr/X11R6/include/audio/audiolib.h; then
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have_nas=yes
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NAS_CFLAGS="-I/usr/X11R6/include/"
534
NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"
535
536
537
538
539
540
dnl On IRIX, the NAS includes are in a different directory,
dnl and libnas must be explicitly linked in
elif test -r /usr/freeware/include/nas/audiolib.h; then
have_nas=yes
541
NAS_LIBS="-lnas -lXt"
542
fi
543
544
AC_MSG_RESULT($have_nas)
545
546
if test x$have_nas = xyes; then
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
AC_ARG_ENABLE(nas-shared,
AC_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [[default=yes]]]),
, enable_nas_shared=yes)
if test "x`echo $NAS_LIBS | grep -- -L`" = "x"; then
if test "x`ls /lib/libaudio.so.* 2> /dev/null`" != "x"; then
NAS_LIBS="-L/lib $NAS_LIBS"
elif test "x`ls /usr/lib/libaudio.so.* 2> /dev/null`" != "x"; then
NAS_LIBS="-L/usr/lib $NAS_LIBS"
elif test "x`ls /usr/local/lib/libaudio.so.* 2> /dev/null`" != "x"; then
NAS_LIBS="-L/usr/local/lib $NAS_LIBS"
fi
fi
nas_lib_spec=`echo $NAS_LIBS | sed 's/.*-L\([[^ ]]*\).*/\1\/libaudio.so.*/'`
nas_lib=`ls -- $nas_lib_spec | sed 's/.*\/\(.*\)/\1/; q'`
echo "-- $nas_lib_spec -> $nas_lib"
if test x$have_loadso != xyes && \
test x$enable_nas_shared = xyes; then
AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic NAS loading])
fi
if test x$have_loadso = xyes && \
test x$enable_nas_shared = xyes && test x$alsa_lib != x; then
AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_NAS_DYNAMIC, "$nas_lib")
else
EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS"
fi
574
575
AC_DEFINE(SDL_AUDIO_DRIVER_NAS)
SOURCES="$SOURCES $srcdir/src/audio/nas/*.c"
576
EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS"
577
578
have_audio=yes
fi
579
580
581
fi
}
582
583
584
585
dnl rcg07142001 See if the user wants the disk writer audio driver...
CheckDiskAudio()
{
AC_ARG_ENABLE(diskaudio,
586
AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
587
, enable_diskaudio=yes)
588
if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then
589
590
AC_DEFINE(SDL_AUDIO_DRIVER_DISK)
SOURCES="$SOURCES $srcdir/src/audio/disk/*.c"
591
592
593
fi
}
594
595
596
597
dnl rcg03142006 See if the user wants the dummy audio driver...
CheckDummyAudio()
{
AC_ARG_ENABLE(dummyaudio,
598
AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
599
600
601
602
603
604
605
, enable_dummyaudio=yes)
if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then
AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY)
SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c"
fi
}
606
607
608
609
dnl Set up the Atari Audio driver
CheckAtariAudio()
{
AC_ARG_ENABLE(mintaudio,
610
AC_HELP_STRING([--enable-mintaudio], [support Atari audio driver [[default=yes]]]),
611
612
613
614
615
616
, enable_mintaudio=yes)
if test x$enable_audio = xyes -a x$enable_mintaudio = xyes; then
mintaudio=no
AC_CHECK_HEADER(mint/falcon.h, have_mint_falcon_hdr=yes)
if test x$have_mint_falcon_hdr = xyes; then
mintaudio=yes
617
AC_DEFINE(SDL_AUDIO_DRIVER_MINT)
618
SOURCES="$SOURCES $srcdir/src/audio/mint/*.c"
619
SOURCES="$SOURCES $srcdir/src/audio/mint/*.S"
620
have_audio=yes
621
622
623
624
fi
fi
}
625
dnl See if we can use x86 assembly blitters
626
# NASM is available from: http://nasm.sourceforge.net
627
628
629
CheckNASM()
{
dnl Make sure we are running on an x86 platform
630
case $host in
631
632
633
634
635
636
637
638
639
i?86*)
;;
*)
# Nope, bail early.
return
;;
esac
dnl Check for NASM (for assembly blit routines)
AC_ARG_ENABLE(nasm,
640
AC_HELP_STRING([--enable-nasm], [use nasm assembly blitters on x86 [[default=yes]]]),
641
, enable_nasm=yes)
642
if test x$enable_video = xyes -a x$enable_assembly = xyes -a x$enable_nasm = xyes; then
643
644
645
646
647
AC_PATH_PROG(NASM, yasm)
if test "x$NASM" = x -o "x$NASM" = x'"$NASM"'; then
AC_PATH_PROG(NASM, nasm)
fi
if test "x$NASM" != x -a "x$NASM" != x'"$NASM"'; then
648
649
AC_DEFINE(SDL_HERMES_BLITTERS)
SOURCES="$SOURCES $srcdir/src/hermes/*.asm"
650
if test x"$NASMFLAGS" = x; then
651
652
653
654
655
656
657
case $ARCH in
win32)
NASMFLAGS="-f win32"
;;
openbsd)
NASMFLAGS="-f aoutb"
;;
658
659
660
macosx)
NASMFLAGS="-f macho"
;;
661
662
663
664
665
*)
NASMFLAGS="-f elf"
;;
esac
fi
666
667
668
NASMFLAGS="$NASMFLAGS -i $srcdir/src/hermes/"
dnl See if hidden visibility is supported
669
670
echo "GLOBAL _bar:function hidden" > nasm_vis.asm
echo "_bar:" >>nasm_vis.asm
671
if $NASM $NASMFLAGS nasm_vis.asm -o nasm_vis.o >&AS_MESSAGE_LOG_FD 2>&1; then
672
673
674
675
NASMFLAGS="$NASMFLAGS -DHIDDEN_VISIBILITY"
fi
rm -f nasm_vis.asm nasm_vis.o
676
AC_SUBST(NASM)
677
AC_SUBST(NASMFLAGS)
678
679
case "$host" in
680
# this line is needed for QNX, because it's not defined the __ELF__
681
*-*-qnx*)
682
EXTRA_CFLAGS="$EXTRA_CFLAGS -D__ELF__";;
683
*-*-solaris*)
684
EXTRA_CFLAGS="$EXTRA_CFLAGS -D__ELF__";;
685
esac
686
687
688
689
690
691
692
693
fi
fi
}
dnl Check for altivec instruction support using gas syntax
CheckAltivec()
{
AC_ARG_ENABLE(altivec,
694
AC_HELP_STRING([--enable-altivec], [use altivec assembly blitters on PPC [[default=yes]]]),
695
, enable_altivec=yes)
696
if test x$enable_video = xyes -a x$enable_assembly = xyes -a x$enable_altivec = xyes; then
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
have_altivec_h_hdr=no
AC_CHECK_HEADER(altivec.h, have_altivec_h_hdr=yes)
save_CFLAGS="$CFLAGS"
have_gcc_altivec=no
AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
altivec_CFLAGS="-maltivec"
CFLAGS="$save_CFLAGS $altivec_CFLAGS"
if test x$have_altivec_h_hdr = xyes; then
AC_TRY_COMPILE([
#include <altivec.h>
vector unsigned int vzero() {
return vec_splat_u32(0);
}
],[
],[
have_gcc_altivec=yes
])
AC_MSG_RESULT($have_gcc_altivec)
else
AC_TRY_COMPILE([
vector unsigned int vzero() {
return vec_splat_u32(0);
}
],[
],[
have_gcc_altivec=yes
])
AC_MSG_RESULT($have_gcc_altivec)
fi
if test x$have_gcc_altivec = xno; then
AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
altivec_CFLAGS="-faltivec"
CFLAGS="$save_CFLAGS $altivec_CFLAGS"
if test x$have_altivec_h_hdr = xyes; then
AC_TRY_COMPILE([
#include <altivec.h>
vector unsigned int vzero() {
return vec_splat_u32(0);
}
],[
],[
have_gcc_altivec=yes
])
AC_MSG_RESULT($have_gcc_altivec)
else
AC_TRY_COMPILE([
vector unsigned int vzero() {
return vec_splat_u32(0);
}
],[
],[
have_gcc_altivec=yes
])
AC_MSG_RESULT($have_gcc_altivec)
fi
fi
CFLAGS="$save_CFLAGS"
757
758
759
760
761
762
if test x$have_gcc_altivec = xyes; then
AC_DEFINE(SDL_ALTIVEC_BLITTERS)
if test x$have_altivec_h_hdr = xyes; then
AC_DEFINE(HAVE_ALTIVEC_H)
fi
763
EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
764
765
766
767
fi
fi
}
768
769
770
771
772
773
774
775
776
777
778
dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).
dnl Details of this flag are here: http://gcc.gnu.org/wiki/Visibility
CheckVisibilityHidden()
{
AC_MSG_CHECKING(for GCC -fvisibility=hidden option)
have_gcc_fvisibility=no
visibility_CFLAGS="-fvisibility=hidden"
save_CFLAGS="$CFLAGS"
CFLAGS="$save_CFLAGS $visibility_CFLAGS"
AC_TRY_COMPILE([
779
780
781
#if !defined(__GNUC__) || __GNUC__ < 4
#error SDL only uses visibility attributes in GCC 4 or newer
#endif
782
783
784
785
786
787
788
789
],[
],[
have_gcc_fvisibility=yes
])
AC_MSG_RESULT($have_gcc_fvisibility)
CFLAGS="$save_CFLAGS"
if test x$have_gcc_fvisibility = xyes; then
790
EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"
791
792
793
794
fi
}
795
796
797
798
dnl Do the iPod thing
CheckIPod()
{
AC_ARG_ENABLE(ipod,
799
800
AC_HELP_STRING([--enable-ipod], [configure SDL to work with iPodLinux [default=yes on arm-elf]]),
, enable_ipod=yes)
801
802
if test x$enable_ipod = xyes; then
803
EXTRA_CFLAGS="$EXTRA_CFLAGS -DIPOD"
804
805
AC_DEFINE(SDL_VIDEO_DRIVER_IPOD)
SOURCES="$SOURCES $srcdir/src/video/ipod/*.c"
806
fi
807
}
808
809
810
811
dnl Find the nanox include and library directories
CheckNANOX()
{
812
AC_ARG_ENABLE(video-nanox,
813
AC_HELP_STRING([--enable-video-nanox], [use nanox video driver [[default=no]]]),
814
815
816
, enable_video_nanox=no)
if test x$enable_video = xyes -a x$enable_video_nanox = xyes; then
817
AC_ARG_ENABLE(nanox-debug,
818
AC_HELP_STRING([--enable-nanox-debug], [print debug messages [[default=no]]]),
819
, enable_nanox_debug=no)
820
if test x$enable_nanox_debug = xyes; then
821
EXTRA_CFLAGS="$EXTRA_CFLAGS -DENABLE_NANOX_DEBUG"
822
823
fi
824
AC_ARG_ENABLE(nanox-share-memory,
825
AC_HELP_STRING([--enable-nanox-share-memory], [use share memory [[default=no]]]),
826
, enable_nanox_share_memory=no)
827
if test x$enable_nanox_share_memory = xyes; then
828
EXTRA_CFLAGS="$EXTRA_CFLAGS -DNANOX_SHARE_MEMORY"
829
830
fi
831
AC_ARG_ENABLE(nanox_direct_fb,
832
AC_HELP_STRING([--enable-nanox-direct-fb], [use direct framebuffer access [[default=no]]]),
833
, enable_nanox_direct_fb=no)
834
if test x$enable_nanox_direct_fb = xyes; then
835
EXTRA_CFLAGS="$EXTRA_CFLAGS -DENABLE_NANOX_DIRECT_FB"
836
fi
837
838
839
AC_DEFINE(SDL_VIDEO_DRIVER_NANOX)
SOURCES="$SOURCES $srcdir/src/video/nanox/*.c"
840
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lnano-X"
841
have_video=yes
842
fi
843
844
}
845
846
847
848
dnl Find the X11 include and library directories
CheckX11()
{
AC_ARG_ENABLE(video-x11,
849
AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
850
851
, enable_video_x11=yes)
if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
852
case "$host" in
853
854
*-*-darwin*)
# This isn't necessary for X11, but fixes GLX detection
855
if test "x$x_includes" = xNONE && test "x$x_libraries" = xNONE; then
856
857
858
859
860
x_includes="/usr/X11R6/include"
x_libraries="/usr/X11R6/lib"
fi
;;
esac
861
862
863
AC_PATH_X
AC_PATH_XTRA
if test x$have_x = xyes; then
864
865
866
867
868
# Only allow dynamically loaded X11 if the X11 function pointers
# will not end up in the global namespace, which causes problems
# with other libraries calling X11 functions.
x11_symbols_private=$have_gcc_fvisibility
869
AC_ARG_ENABLE(x11-shared,
870
871
AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
, enable_x11_shared=maybe)
872
873
case "$host" in
874
*-*-darwin*) # Latest Mac OS X actually ships with Xrandr/Xrender libs...
875
x11_symbols_private=yes
876
877
x11_lib='/usr/X11R6/lib/libX11.6.dylib'
x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
878
xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
879
xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
880
;;
881
882
883
884
885
*-*-osf*)
x11_lib='libX11.so'
x11ext_lib='libXext.so'
;;
*-*-irix*) # IRIX 6.5 requires that we use /usr/lib32
886
887
888
x11_lib='libX11.so'
x11ext_lib='libXext.so'
;;
889
*)
890
x11_lib_spec=[`echo $X_LIBS | sed 's/.*-L\([^ ]*\).*/\1/'`]
891
892
for path in $x11_lib_path /usr/lib /usr/X11/lib /usr/X11R6/lib; do
if test "x$x11_lib" = "x"; then
893
x11_lib=[`ls -- $path/libX11.so.[0-9] 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
894
895
896
if test "x$x11_lib" = "x"; then
x11_lib=[`ls -- $path/libX11.so.[0-9]* 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
fi
897
898
fi
if test "x$x11ext_lib" = "x"; then
899
x11ext_lib=[`ls -- $path/libXext.so.[0-9] 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
900
901
902
if test "x$x11ext_lib" = "x"; then
x11ext_lib=[`ls -- $path/libXext.so.[0-9]* 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
fi
903
fi
904
if test "x$xrender_lib" = "x"; then
905
xrender_lib=[`ls -- $path/libXrender.so.[0-9] 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
906
907
908
if test "x$xrender_lib" = "x"; then
xrender_lib=[`ls -- $path/libXrender.so.[0-9]* 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
fi
909
910
fi
if test "x$xrandr_lib" = "x"; then
911
xrandr_lib=[`ls -- $path/libXrandr.so.[0-9] 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
912
913
914
if test "x$xrandr_lib" = "x"; then
xrandr_lib=[`ls -- $path/libXrandr.so.[0-9]* 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
fi
915
fi
916
done
917
918
;;
esac
919
920
921
922
923
X_CFLAGS="$X_CFLAGS -DXTHREADS"
if test x$ac_cv_func_shmat != xyes; then
X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
fi
924
925
CFLAGS="$CFLAGS $X_CFLAGS"
LDFLAGS="$LDFLAGS $X_LIBS"
926
927
928
AC_DEFINE(SDL_VIDEO_DRIVER_X11)
SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
929
EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
930
931
932
933
if test x$enable_x11_shared = xmaybe; then
enable_x11_shared=$x11_symbols_private
fi
934
if test x$have_loadso != xyes && \
935
test x$enable_x11_shared = xyes; then
936
AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
937
enable_x11_shared=no
938
fi
939
if test x$x11_symbols_private != xyes && \
940
941
942
943
944
test x$enable_x11_shared = xyes; then
AC_MSG_WARN([You must have gcc4 (-fvisibility=hidden) for dynamic X11 loading])
enable_x11_shared=no
fi
945
if test x$have_loadso = xyes && \
946
test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
947
948
echo "-- dynamic libX11 -> $x11_lib"
echo "-- dynamic libX11ext -> $x11ext_lib"
949
950
AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib")
AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib")
951
else
952
enable_x11_shared=no
953
EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
954
fi
955
have_video=yes
956
957
AC_ARG_ENABLE(video-x11-vm,
958
AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
959
960
, enable_video_x11_vm=yes)
if test x$enable_video_x11_vm = xyes; then
961
962
AC_DEFINE(SDL_VIDEO_DRIVER_X11_VIDMODE)
SOURCES="$SOURCES $srcdir/src/video/Xext/Xxf86vm/*.c"
963
964
fi
AC_ARG_ENABLE(video-x11-xv,
965
AC_HELP_STRING([--enable-video-x11-xv], [use X11 XvImage extension for video [[default=yes]]]),
966
967
, enable_video_x11_xv=yes)
if test x$enable_video_x11_xv = xyes; then
968
969
AC_DEFINE(SDL_VIDEO_DRIVER_X11_XV)
SOURCES="$SOURCES $srcdir/src/video/Xext/Xv/*.c"
970
fi
971
AC_ARG_ENABLE(video-x11-xinerama,
972
AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
973
974
, enable_video_x11_xinerama=yes)
if test x$enable_video_x11_xinerama = xyes; then
975
976
AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA)
SOURCES="$SOURCES $srcdir/src/video/Xext/Xinerama/*.c"
977
fi
978
AC_ARG_ENABLE(video-x11-xme,
979
AC_HELP_STRING([--enable-video-x11-xme], [enable Xi Graphics XME for fullscreen [[default=yes]]]),
980
981
, enable_video_x11_xme=yes)
if test x$enable_video_x11_xme = xyes; then
982
983
AC_DEFINE(SDL_VIDEO_DRIVER_X11_XME)
SOURCES="$SOURCES $srcdir/src/video/Xext/XME/*.c"
984
fi
985
AC_ARG_ENABLE(video-x11-xrandr,
986
AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
, enable_video_x11_xrandr=yes)
if test x$enable_video_x11_xrandr = xyes; then
definitely_enable_video_x11_xrandr=no
AC_CHECK_HEADER(X11/extensions/Xrandr.h,
have_xrandr_h_hdr=yes,
have_xrandr_h_hdr=no,
[#include <X11/Xlib.h>
])
if test x$have_xrandr_h_hdr = xyes; then
if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
echo "-- dynamic libXrender -> $xrender_lib"
echo "-- dynamic libXrandr -> $xrandr_lib"
AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRENDER, "$xrender_lib")
AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib")