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configure.in
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configure.in
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dnl Process this file with autoconf to produce a configure script.
AC_INIT(README)
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
SDL_MINOR_VERSION=2
SDL_MICRO_VERSION=1
SDL_INTERFACE_AGE=1
SDL_BINARY_AGE=1
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)
dnl Setup for automake
AM_INIT_AUTOMAKE(SDL, $SDL_VERSION)
dnl Detect the canonical host and target build environment
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
dnl Check for tools
AC_LIBTOOL_WIN32_DLL
AM_PROG_LIBTOOL
AC_PROG_MAKE_SET
AC_PROG_CC
AC_C_INLINE
AC_C_CONST
case "$target" in
*-*-beos*)
AC_PROG_CXX
;;
*-*-aix*)
AC_PROG_CXX
;;
# This is stupid, but necessary on some versions of Linux (joysticks)
*-*-linux*)
AC_PROG_CXX
;;
esac
AC_PROG_INSTALL
AC_FUNC_ALLOCA
dnl The alpha architecture needs special flags for binary portability
case "$target" in
alpha*-*-linux*)
if test x$ac_cv_prog_gcc = xyes; then
CFLAGS="$CFLAGS -mcpu=ev4 -Wa,-mall"
fi
;;
esac
dnl Add compiler-specific optimization flags
dnl See if the user wants aggressive optimizations of the code
AC_ARG_ENABLE(debug,
[ --enable-debug Disable aggressive optimizations [default=yes]],
, enable_debug=yes)
if test x$enable_debug != xyes; then
if test x$ac_cv_prog_gcc = xyes; then
CFLAGS="$CFLAGS -fexpensive-optimizations"
# Ack! This breaks the MMX YV12 conversion on gcc 2.95.2
# CFLAGS="$CFLAGS -fomit-frame-pointer"
fi
case "$target" in
i486-*-*)
if test x$ac_cv_prog_gcc = xyes; then
CFLAGS="$CFLAGS -march=486"
fi
;;
i?86-*-*)
if test x$ac_cv_prog_gcc = xyes; then
CFLAGS="$CFLAGS -march=pentium -mcpu=pentiumpro"
fi
;;
*-*-osf*)
if test x$ac_cv_prog_gcc != xyes; then
CFLAGS="-g3 -fast -arch host"
fi
;;
esac
fi
dnl Add verbose warnings by default, and allow ANSI compliance checking
AC_ARG_ENABLE(strict-ansi,
[ --enable-strict-ansi Enable strict ANSI compliance build [default=no]],
, enable_strict_ansi=no)
if test x$ac_cv_prog_gcc = xyes; then
CFLAGS="$CFLAGS -Wall"
if test x$enable_strict_ansi = xyes; then
CFLAGS="$CFLAGS -ansi -pedantic -D_XOPEN_SOURCE"
fi
fi
dnl Initialize the compiler and linker flags for SDL applications
SDL_CFLAGS=""
SDL_LIBS="-lSDL"
dnl Add the math library for the new gamma correction support
case "$target" in
*-*-cygwin* | *-*-mingw32*)
MATHLIB=""
;;
*-*-beos*)
MATHLIB=""
;;
*-*-darwin*)
MATHLIB=""
;;
*)
MATHLIB="-lm"
;;
esac
SYSTEM_LIBS="$SYSTEM_LIBS $MATHLIB"
dnl Enable/disable various subsystems of the SDL library
AC_ARG_ENABLE(audio,
[ --enable-audio Enable the audio subsystem [default=yes]],
, enable_audio=yes)
if test x$enable_audio = xyes; then
SDL_EXTRADIRS="$SDL_EXTRADIRS audio"
SDL_EXTRALIBS="$SDL_EXTRALIBS audio/libaudio.la"
else
CFLAGS="$CFLAGS -DDISABLE_AUDIO"
fi
AC_ARG_ENABLE(video,
[ --enable-video Enable the video subsystem [default=yes]],
, enable_video=yes)
if test x$enable_video = xyes; then
SDL_EXTRADIRS="$SDL_EXTRADIRS video"
SDL_EXTRALIBS="$SDL_EXTRALIBS video/libvideo.la"
else
CFLAGS="$CFLAGS -DDISABLE_VIDEO"
fi
AC_ARG_ENABLE(events,
[ --enable-events Enable the events subsystem [default=yes]],
, enable_events=yes)
if test x$enable_video = xyes -a x$enable_events = xyes; then
SDL_EXTRADIRS="$SDL_EXTRADIRS events"
SDL_EXTRALIBS="$SDL_EXTRALIBS events/libevents.la"
else
CFLAGS="$CFLAGS -DDISABLE_EVENTS"
fi
AC_ARG_ENABLE(joystick,
[ --enable-joystick Enable the joystick subsystem [default=yes]],
, enable_joystick=yes)
if test x$enable_joystick = xyes; then
SDL_EXTRADIRS="$SDL_EXTRADIRS joystick"
SDL_EXTRALIBS="$SDL_EXTRALIBS joystick/libjoystick.la"
else
CFLAGS="$CFLAGS -DDISABLE_JOYSTICK"
fi
AC_ARG_ENABLE(cdrom,
[ --enable-cdrom Enable the cdrom subsystem [default=yes]],
, enable_cdrom=yes)
if test x$enable_cdrom = xyes; then
SDL_EXTRADIRS="$SDL_EXTRADIRS cdrom"
SDL_EXTRALIBS="$SDL_EXTRALIBS cdrom/libcdrom.la"
else
CFLAGS="$CFLAGS -DDISABLE_CDROM"
fi
AC_ARG_ENABLE(threads,
[ --enable-threads Enable the threading subsystem [default=yes]],
, enable_threads=yes)
SDL_EXTRADIRS="$SDL_EXTRADIRS thread"
SDL_EXTRALIBS="$SDL_EXTRALIBS thread/libthread.la"
if test x$enable_threads != xyes; then
CFLAGS="$CFLAGS -DDISABLE_THREADS"
COPY_ARCH_SRC(src/thread, generic, SDL_systhread.c)
COPY_ARCH_SRC(src/thread, generic, SDL_systhread_c.h)
COPY_ARCH_SRC(src/thread, generic, SDL_sysmutex.c)
COPY_ARCH_SRC(src/thread, generic, SDL_sysmutex_c.h)
COPY_ARCH_SRC(src/thread, generic, SDL_syssem.c)
COPY_ARCH_SRC(src/thread, generic, SDL_syssem_c.h)
COPY_ARCH_SRC(src/thread, generic, SDL_syscond.c)
COPY_ARCH_SRC(src/thread, generic, SDL_syscond_c.h)
fi
AC_ARG_ENABLE(timers,
[ --enable-timers Enable the timer subsystem [default=yes]],
, enable_timers=yes)
if test x$enable_timers = xyes; then
SDL_EXTRADIRS="$SDL_EXTRADIRS timer"
SDL_EXTRALIBS="$SDL_EXTRALIBS timer/libtimer.la"
else
CFLAGS="$CFLAGS -DDISABLE_TIMERS"
fi
AC_ARG_ENABLE(endian,
[ --enable-endian Enable the endian subsystem [default=yes]],
, enable_endian=yes)
if test x$enable_endian = xyes; then
SDL_EXTRADIRS="$SDL_EXTRADIRS endian"
SDL_EXTRALIBS="$SDL_EXTRALIBS endian/libendian.la"
else
CFLAGS="$CFLAGS -DDISABLE_ENDIAN"
fi
AC_ARG_ENABLE(file,
[ --enable-file Enable the file subsystem [default=yes]],
, enable_file=yes)
if test x$enable_file = xyes; then
SDL_EXTRADIRS="$SDL_EXTRADIRS file"
SDL_EXTRALIBS="$SDL_EXTRALIBS file/libfile.la"
else
CFLAGS="$CFLAGS -DDISABLE_FILE"
fi
dnl See if the OSS audio interface is supported
CheckOSS()
{
AC_ARG_ENABLE(oss,
[ --enable-oss support the OSS audio API [default=yes]],
, 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
AC_TRY_COMPILE([
#include <sys/soundcard.h>
],[
int arg = SNDCTL_DSP_SETFRAGMENT;
],[
have_oss=yes
])
AC_MSG_RESULT($have_oss)
if test x$have_oss = xyes; then
CFLAGS="$CFLAGS -DOSS_SUPPORT"
AUDIO_SUBDIRS="$AUDIO_SUBDIRS dsp"
AUDIO_DRIVERS="$AUDIO_DRIVERS dsp/libaudio_dsp.la"
AUDIO_SUBDIRS="$AUDIO_SUBDIRS dma"
AUDIO_DRIVERS="$AUDIO_DRIVERS dma/libaudio_dma.la"
fi
fi
}
dnl See if the ALSA audio interface is supported
CheckALSA()
{
AC_ARG_ENABLE(alsa,
[ --enable-alsa support the ALSA audio API [default=yes]],
, enable_alsa=yes)
if test x$enable_audio = xyes -a x$enable_alsa = xyes; then
have_alsa=no
AC_CHECK_HEADER(sys/asoundlib.h, have_alsa_hdr=yes)
AC_CHECK_LIB(asound, snd_pcm_open, have_alsa_lib=yes)
if test x$have_alsa_hdr = xyes -a x$have_alsa_lib = xyes; then
CFLAGS="$CFLAGS -DALSA_SUPPORT"
SYSTEM_LIBS="$SYSTEM_LIBS -lasound"
AUDIO_SUBDIRS="$AUDIO_SUBDIRS alsa"
AUDIO_DRIVERS="$AUDIO_DRIVERS alsa/libaudio_alsa.la"
fi
fi
}
dnl Check whether we want to use OpenBSD native audio or not
CheckOPENBSDAUDIO()
{
AC_ARG_ENABLE(openbsdaudio,
[ --enable-openbsdaudio OpenBSD native audio support [default=no]],
, enable_openbsdaudio=no)
if test x$enable_audio = xyes -a x$enable_openbsdaudio = xyes; then
SYSTEM_LIBS="$SYSTEM_LIBS $ESD_LIBS"
AUDIO_SUBDIRS="$AUDIO_SUBDIRS openbsd"
AUDIO_DRIVERS="$AUDIO_DRIVERS openbsd/libaudio_openbsd.la"
fi
}
dnl Find the ESD includes and libraries
CheckESD()
{
AC_ARG_ENABLE(esd,
[ --enable-esd support the Enlightened Sound Daemon [default=yes]],
, enable_esd=yes)
if test x$enable_audio = xyes -a x$enable_esd = xyes; then
AM_PATH_ESD(0.2.8, [
CFLAGS="$CFLAGS -DESD_SUPPORT $ESD_CFLAGS"
SYSTEM_LIBS="$SYSTEM_LIBS $ESD_LIBS"
AUDIO_SUBDIRS="$AUDIO_SUBDIRS esd"
AUDIO_DRIVERS="$AUDIO_DRIVERS esd/libaudio_esd.la"
])
fi
}
CheckARTSC()
{
AC_ARG_ENABLE(arts,
[ --enable-arts support the Analog Real Time Synthesizer [default=yes]],
, enable_arts=yes)
if test x$enable_audio = xyes -a x$enable_arts = xyes; then
AC_PATH_PROG(ARTSCCONFIG, artsc-config)
if test x$ARTSCCONFIG = x -o x$ARTSCCONFIG = x'"$ARTSCCONFIG"'; then
: # arts isn't installed
else
ARTSC_CFLAGS=`$ARTSCCONFIG --cflags`
ARTSC_LIBS=`$ARTSCCONFIG --libs`
AC_MSG_CHECKING(for aRts development environment)
audio_arts=no
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $ARTSC_CFLAGS"
AC_TRY_COMPILE([
#include <artsc.h>
],[
arts_stream_t stream;
],[
audio_arts=yes
])
CFLAGS="$save_CFLAGS"
AC_MSG_RESULT($audio_arts)
if test x$audio_arts = xyes; then
CFLAGS="$CFLAGS -DARTSC_SUPPORT $ARTSC_CFLAGS"
SYSTEM_LIBS="$SYSTEM_LIBS $ARTSC_LIBS"
AUDIO_SUBDIRS="$AUDIO_SUBDIRS arts"
AUDIO_DRIVERS="$AUDIO_DRIVERS arts/libaudio_arts.la"
fi
fi
fi
}
dnl See if the NAS audio interface is supported
CheckNAS()
{
AC_ARG_ENABLE(nas,
[ --enable-nas support the NAS audio API [default=yes]],
, enable_nas=yes)
if test x$enable_audio = xyes -a x$enable_nas = xyes; then
AC_MSG_CHECKING(for NAS audio support)
have_nas=no
if test -r /usr/X11R6/include/audio/audiolib.h ; then
have_nas=yes
fi
AC_MSG_RESULT($have_nas)
if test x$have_nas = xyes; then
CFLAGS="$CFLAGS -DNAS_SUPPORT"
SYSTEM_LIBS="$SYSTEM_LIBS -laudio -lXt"
AUDIO_SUBDIRS="$AUDIO_SUBDIRS nas"
AUDIO_DRIVERS="$AUDIO_DRIVERS nas/libaudio_nas.la"
fi
fi
}
dnl See if we can use x86 assembly blitters
CheckNASM()
{
dnl Make sure we are running on an x86 platform
case $target in
i?86*)
;;
*)
# Nope, bail early.
return
;;
esac
dnl Check for NASM (for assembly blit routines)
AC_ARG_ENABLE(nasm,
[ --enable-nasm use nasm assembly blitters on x86 [default=yes]],
, enable_nasm=yes)
if test x$enable_video = xyes -a x$enable_nasm = xyes; then
AC_PATH_PROG(NASM, nasm)
if test x$NASM = x -o x$NASM = x'"$NASM"'; then
: # nasm isn't installed
else
CFLAGS="$CFLAGS -DUSE_ASMBLIT -I$srcdir/hermes"
case $ARCH in
win32)
NASMFLAGS="-f win32"
;;
*)
NASMFLAGS="-f elf"
;;
esac
AC_SUBST(NASMFLAGS)
CFLAGS="$CFLAGS -I\$(top_srcdir)/src/hermes"
SDL_EXTRADIRS="$SDL_EXTRADIRS hermes"
SDL_EXTRALIBS="$SDL_EXTRALIBS hermes/libhermes.la"
fi
fi
}
dnl Find the nanox include and library directories
CheckNANOX()
{
AC_ARG_ENABLE(video-nanox,
[ --enable-video-nanox use nanox video driver [default=no]],
, enable_video_nanox=no)
AC_ARG_ENABLE(nanox-debug,
[ --enable-nanox-debug print debug messages [default=no]],
, enable_nanox_debug=no)
AC_ARG_ENABLE(nanox-share-memory,
[ --enable-nanox-share-memory use share memory [default=no]],
, enable_nanox_share_memory=no)
AC_ARG_WITH(nanox_pixel_type,
[ --with-nanox-pixel-type=[rgb/0888/888/565/555/332/pal]])
if test x$enable_video = xyes -a x$enable_video_nanox = xyes; then
if test x$enable_nanox_debug = xyes; then
CFLAGS="$CFLAGS -DENABLE_NANOX_DEBUG"
fi
if test x$enable_nanox_share_memory = xyes; then
CFLAGS="$CFLAGS -DNANOX_SHARE_MEMORY"
fi
case "$with_nanox_pixel_type" in
rgb) CFLAGS="$CFLAGS -DNANOX_PIXEL_RGB" ;;
0888) CFLAGS="$CFLAGS -DNANOX_PIXEL_0888" ;;
888) CFLAGS="$CFLAGS -DNANOX_PIXEL_888" ;;
565) CFLAGS="$CFLAGS -DNANOX_PIXEL_565" ;;
555) CFLAGS="$CFLAGS -DNANOX_PIXEL_555" ;;
332) CFLAGS="$CFLAGS -DNANOX_PIXEL_332" ;;
pal) CFLAGS="$CFLAGS -DNANOX_PIXEL_PAL" ;;
*) AC_MSG_ERROR([Invalid nanox_pixel_type]);;
esac
CFLAGS="$CFLAGS $X_CFLAGS -DENABLE_NANOX"
SYSTEM_LIBS="$SYSTEM_LIBS -lnano-X"
VIDEO_SUBDIRS="$VIDEO_SUBDIRS nanox"
VIDEO_DRIVERS="$VIDEO_DRIVERS nanox/libvideo_nanox.la"
fi
}
dnl Find the X11 include and library directories
CheckX11()
{
AC_ARG_ENABLE(video-x11,
[ --enable-video-x11 use X11 video driver [default=yes]],
, enable_video_x11=yes)
if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
AC_PATH_X
AC_PATH_XTRA
if test x$have_x = xyes; then
CFLAGS="$CFLAGS $X_CFLAGS -DENABLE_X11"
if test x$ac_cv_func_shmat != xyes; then
CFLAGS="$CFLAGS -DNO_SHARED_MEMORY"
fi
SYSTEM_LIBS="$SYSTEM_LIBS $X_LIBS -lX11 -lXext"
VIDEO_SUBDIRS="$VIDEO_SUBDIRS x11"
VIDEO_DRIVERS="$VIDEO_DRIVERS x11/libvideo_x11.la"
AC_ARG_ENABLE(video-x11-vm,
[ --enable-video-x11-vm use X11 VM extension for fullscreen [default=yes]],
, enable_video_x11_vm=yes)
if test x$enable_video_x11_vm = xyes; then
AC_MSG_CHECKING(for XFree86 VidMode 1.0 support)
video_x11_vm=no
AC_TRY_COMPILE([
#include <X11/Xlib.h>
#include <X11/extensions/xf86vmode.h>
],[
],[
video_x11_vm=yes
])
AC_MSG_RESULT($video_x11_vm)
if test x$video_x11_vm = xyes; then
CFLAGS="$CFLAGS -DXFREE86_VM"
# Check for nasty XFree86 4.0/Glide hack
AC_ARG_ENABLE(xfree86_glidehack,
[ --enable-xfree86-glidehack Alternate vidmode lib for old Glide [default=no]],
, enable_xfreeglidehack=no)
if test x$enable_xfree86_glidehack = xyes; then
ac_save_libs="$LIBS"
LIBS="$LIBS $X_LIBS -lX11 -lXext"
if test x$xfree86_glidehack = x; then
AC_CHECK_LIB(Xxf86vm, XF40VidModeQueryExtension, xfree86_glidehack=Xxf86vm)
fi
if test x$xfree86_glidehack = x; then
AC_CHECK_LIB(Xxf86vm40, XF40VidModeQueryExtension, xfree86_glidehack=Xxf86vm40)
fi
LIBS="$ac_save_libs"
fi
if test x$xfree86_glidehack != x; then
CFLAGS="$CFLAGS -DXFREE86_VM_DYNAMIC_HACK"
SYSTEM_LIBS="$SYSTEM_LIBS -l$xfree86_glidehack"
else
SYSTEM_LIBS="$SYSTEM_LIBS -lXxf86vm"
fi
AC_MSG_CHECKING(for XFree86 VidMode gamma support)
video_x11_vmgamma=no
AC_TRY_COMPILE([
#include <X11/Xlib.h>
#include <X11/extensions/xf86vmode.h>
],[
XF86VidModeGamma gamma;
],[
video_x11_vmgamma=yes
])
AC_MSG_RESULT($video_x11_vmgamma)
if test x$video_x11_vmgamma = xyes; then
CFLAGS="$CFLAGS -DXFREE86_VMGAMMA"
fi
fi
fi
AC_ARG_ENABLE(dga,
[ --enable-dga allow use of X11 DGA code [default=yes]],
, enable_dga=yes)
AC_ARG_ENABLE(video-x11-dgamouse,
[ --enable-video-x11-dgamouse use X11 DGA for mouse events [default=yes]],
, enable_video_x11_dgamouse=yes)
if test x$enable_dga = xyes; then
AC_MSG_CHECKING(for XFree86 DGA 1.0 support)
video_x11_dga=no
AC_TRY_COMPILE([
#include <X11/Xlib.h>
#include <X11/extensions/xf86dga.h>
],[
],[
video_x11_dga=yes
])
AC_MSG_RESULT($video_x11_dga)
if test x$video_x11_dga = xyes; then
CFLAGS="$CFLAGS -DXFREE86_DGAMOUSE"
if test x$enable_video_x11_dgamouse = xyes; then
CFLAGS="$CFLAGS -DDEFAULT_DGAMOUSE"
fi
SYSTEM_LIBS="$SYSTEM_LIBS -lXxf86dga"
fi
fi
AC_ARG_ENABLE(video-x11-xv,
[ --enable-video-x11-xv use X11 XvImage extension for video [default=yes]],
, enable_video_x11_xv=yes)
if test x$enable_video_x11_xv = xyes; then
AC_MSG_CHECKING(for XFree86 XvImage support)
video_x11_xv=no
AC_TRY_COMPILE([
#include <X11/Xlib.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <X11/extensions/XShm.h>
#include <X11/extensions/Xvlib.h>
],[
XvImage *image;
],[
video_x11_xv=yes
])
AC_MSG_RESULT($video_x11_xv)
if test x$video_x11_xv = xyes; then
CFLAGS="$CFLAGS -DXFREE86_XV"
SYSTEM_LIBS="$SYSTEM_LIBS -lXv"
fi
fi
fi
fi
}
CheckPHOTON()
{
AC_ARG_ENABLE(video-photon,
[ --enable-video-photon use QNX Photonvideo driver [default=yes]],
, enable_video_photon=yes)
if test x$enable_video = xyes -a x$enable_video_photon = xyes; then
AC_MSG_CHECKING(for QNX Photon support)
video_photon=no
AC_TRY_COMPILE([
#include <Ph.h>
#include <Pt.h>
#include <photon/Pg.h>
#include <photon/PdDirect.h>
],[
PgDisplaySettings_t *visual;
],[
video_photon=yes
])
AC_MSG_RESULT($video_photon)
if test x$video_photon = xyes; then
CFLAGS="$CFLAGS -DENABLE_PHOTON"
SYSTEM_LIBS="$SYSTEM_LIBS -lph"
VIDEO_SUBDIRS="$VIDEO_SUBDIRS photon"
VIDEO_DRIVERS="$VIDEO_DRIVERS photon/libvideo_photon.la"
fi
fi
}
dnl Find the X11 DGA 2.0 include and library directories
CheckDGA()
{
AC_ARG_ENABLE(video-dga,
[ --enable-video-dga use DGA 2.0 video driver [default=yes]],
, enable_video_dga=yes)
if test x$video_x11_dga = xyes -a x$enable_video_dga = xyes; then
AC_MSG_CHECKING(for XFree86 DGA 2.0 support)
video_x11_dga2=no
AC_TRY_COMPILE([
#include <X11/Xlib.h>
#include <X11/extensions/xf86dga.h>
],[
XDGAEvent xevent;
],[
video_x11_dga2=yes
])
AC_MSG_RESULT($video_x11_dga2)
if test x$video_x11_dga2 = xyes; then
CFLAGS="$CFLAGS -DENABLE_DGA"
VIDEO_SUBDIRS="$VIDEO_SUBDIRS dga"
VIDEO_DRIVERS="$VIDEO_DRIVERS dga/libvideo_dga.la"
fi
fi
}
dnl Find the framebuffer console includes
CheckFBCON()
{
AC_ARG_ENABLE(video-fbcon,
[ --enable-video-fbcon use framebuffer console video driver [default=yes]],
, enable_video_fbcon=yes)
if test x$enable_video = xyes -a x$enable_video_fbcon = xyes; then
AC_MSG_CHECKING(for framebuffer console support)
video_fbcon=no
AC_TRY_COMPILE([
#include <linux/fb.h>
#include <linux/kd.h>
#include <linux/keyboard.h>
],[
],[
video_fbcon=yes
])
AC_MSG_RESULT($video_fbcon)
if test x$video_fbcon = xyes; then
CFLAGS="$CFLAGS -DENABLE_FBCON"
VIDEO_SUBDIRS="$VIDEO_SUBDIRS fbcon"
VIDEO_DRIVERS="$VIDEO_DRIVERS fbcon/libvideo_fbcon.la"
fi
fi
}
dnl Find the GGI includes
CheckGGI()
{
AC_ARG_ENABLE(video-ggi,
[ --enable-video-ggi use GGI video driver [default=no]],
, enable_video_ggi=no)
if test x$enable_video = xyes -a x$enable_video_ggi = xyes; then
AC_MSG_CHECKING(for GGI support)
video_ggi=no
AC_TRY_COMPILE([
#include <ggi/ggi.h>
#include <ggi/gii.h>
],[
],[
video_ggi=yes
])
AC_MSG_RESULT($video_ggi)
if test x$video_ggi = xyes; then
CFLAGS="$CFLAGS $X_CFLAGS -DENABLE_GGI"
SYSTEM_LIBS="$SYSTEM_LIBS -lggi -lgii -lgg"
VIDEO_SUBDIRS="$VIDEO_SUBDIRS ggi"
VIDEO_DRIVERS="$VIDEO_DRIVERS ggi/libvideo_ggi.la"
fi
fi
}
dnl Find the SVGAlib includes and libraries
CheckSVGA()
{
AC_ARG_ENABLE(video-svga,
[ --enable-video-svga use SVGAlib video driver [default=no]],
, enable_video_svga=no)
if test x$enable_video = xyes -a x$enable_video_svga = xyes; then
AC_MSG_CHECKING(for SVGAlib (1.4.0+) support)
video_svga=no
AC_TRY_COMPILE([
#include <vga.h>
#include <vgamouse.h>
#include <vgakeyboard.h>
],[
if ( SCANCODE_RIGHTWIN && SCANCODE_LEFTWIN ) {
exit(0);
}
],[
video_svga=yes
])
AC_MSG_RESULT($video_svga)
if test x$video_svga = xyes; then
CFLAGS="$CFLAGS -DENABLE_SVGALIB"
SYSTEM_LIBS="$SYSTEM_LIBS -lvga"
VIDEO_SUBDIRS="$VIDEO_SUBDIRS svga"
VIDEO_DRIVERS="$VIDEO_DRIVERS svga/libvideo_svga.la"
fi
fi
}
dnl Find the AAlib includes
CheckAAlib()
{
AC_ARG_ENABLE(video-aalib,
[ --enable-video-aalib use AAlib video driver [default=no]],
, enable_video_aalib=no)
if test x$enable_video = xyes -a x$enable_video_aalib = xyes; then
AC_MSG_CHECKING(for AAlib support)
video_aalib=no
AC_TRY_COMPILE([
#include <aalib.h>
],[
],[
video_aalib=yes
])
AC_MSG_RESULT($video_aalib)
if test x$video_aalib = xyes; then
CFLAGS="$CFLAGS -DENABLE_AALIB"
SYSTEM_LIBS="$SYSTEM_LIBS -laa"
VIDEO_SUBDIRS="$VIDEO_SUBDIRS aalib"
VIDEO_DRIVERS="$VIDEO_DRIVERS aalib/libvideo_aa.la"
fi
fi
}
dnl rcg04172001 Set up the Null video driver.
CheckDummyVideo()
{
AC_ARG_ENABLE(video-dummy,
[ --enable-video-dummy use dummy video driver [default=no]],
, enable_video_dummy=no)
if test x$enable_video_dummy = xyes; then
CFLAGS="$CFLAGS -DENABLE_DUMMYVIDEO"
VIDEO_SUBDIRS="$VIDEO_SUBDIRS dummy"
VIDEO_DRIVERS="$VIDEO_DRIVERS dummy/libvideo_null.la"
fi
}
dnl Check to see if OpenGL support is desired
AC_ARG_ENABLE(video-opengl,
[ --enable-video-opengl include OpenGL context creation [default=yes]],
, enable_video_opengl=yes)
dnl Find OpenGL
CheckOpenGL()
{
if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
AC_MSG_CHECKING(for OpenGL (GLX) support)
video_opengl=no
AC_TRY_COMPILE([
#include <GL/gl.h>
#include <GL/glx.h>
#include <dlfcn.h> /* For loading extensions */
],[
],[
video_opengl=yes
])
AC_MSG_RESULT($video_opengl)
if test x$video_opengl = xyes; then
CFLAGS="$CFLAGS -DHAVE_OPENGL"
AC_CHECK_LIB(dl, dlopen, SYSTEM_LIBS="$SYSTEM_LIBS -ldl")
fi
fi
}
dnl Check for BeOS OpenGL
CheckBeGL()
{
if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
CFLAGS="$CFLAGS -DHAVE_OPENGL"
SYSTEM_LIBS="$SYSTEM_LIBS -lGL"
fi
}
dnl Check for MacOS OpenGL
CheckMacGL()
{
if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
CFLAGS="$CFLAGS -DHAVE_OPENGL"
case "$target" in
*-*-darwin*)
SDL_LIBS="$SDL_LIBS -framework OpenGL -framework AGL"
esac
fi
}
dnl See if we can use the new unified event interface in Linux 2.4
CheckInputEvents()
{
dnl Check for Linux 2.4 unified input event interface support
AC_ARG_ENABLE(input-events,
[ --enable-input-events use Linux 2.4 unified input interface [default=yes]],
, enable_input_events=yes)
if test x$enable_input_events = xyes; then
AC_MSG_CHECKING(for Linux 2.4 unified input interface)
use_input_events=no
AC_TRY_COMPILE([
#include <linux/input.h>
],[
#ifndef EVIOCGNAME
#error EVIOCGNAME() ioctl not available
#endif
],[
use_input_events=yes
])
AC_MSG_RESULT($use_input_events)
if test x$use_input_events = xyes; then
CFLAGS="$CFLAGS -DUSE_INPUT_EVENTS"
fi
fi
}
dnl See what type of thread model to use on Linux and Solaris
CheckPTHREAD()
{
dnl Check for pthread support
AC_ARG_ENABLE(pthreads,
[ --enable-pthreads use POSIX threads for multi-threading [default=yes]],
, enable_pthreads=yes)
dnl This is used on Linux for glibc binary compatibility (Doh!)
AC_ARG_ENABLE(pthread-sem,
[ --enable-pthread-sem use pthread semaphores [default=yes]],
, enable_pthread_sem=yes)
ac_save_libs="$LIBS"
case "$target" in
*-*-bsdi*)
pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
pthread_lib=""
;;
*-*-darwin*)
pthread_cflags="-D_THREAD_SAFE"
# causes Carbon.p complaints?
# pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
;;
*-*-freebsd*)
pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
pthread_lib="-pthread"
;;
*-*-openbsd*)
pthread_cflags="-D_REENTRANT"
pthread_lib="-pthread"
;;
*-*-solaris*)
pthread_cflags="-D_REENTRANT"
pthread_lib="-lpthread -lposix4"
;;
*-*-sysv5*)
pthread_cflags="-D_REENTRANT -Kthread"
pthread_lib=""
;;
*-*-irix*)
pthread_cflags="-D_SGI_MP_SOURCE"
pthread_lib="-lpthread"
;;
*-*-aix*)
pthread_cflags="-D_REENTRANT -mthreads"
pthread_lib="-lpthread"
;;
*-*-qnx*)
pthread_cflags=""
pthread_lib=""
;;
*)
pthread_cflags="-D_REENTRANT"
pthread_lib="-lpthread"
;;
esac
LIBS="$LIBS $pthread_lib"
if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then
AC_MSG_CHECKING(for pthreads)
use_pthreads=no
AC_TRY_LINK([
#include <pthread.h>
],[
pthread_attr_t type;
pthread_attr_init(&type);
],[
use_pthreads=yes
])
AC_MSG_RESULT($use_pthreads)
if test x$use_pthreads = xyes; then
CFLAGS="$CFLAGS $pthread_cflags -DSDL_USE_PTHREADS"
SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
SDL_LIBS="$SDL_LIBS $pthread_lib"
# Check to see if recursive mutexes are available
AC_MSG_CHECKING(for recursive mutexes)
has_recursive_mutexes=no
AC_TRY_LINK([
#include <pthread.h>
],[
pthread_mutexattr_t attr;
#ifdef linux
pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
#else
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
#endif
],[
has_recursive_mutexes=yes
])
# Some systems have broken recursive mutex implementations
case "$target" in
*-*-solaris*)
has_recursive_mutexes=no
;;
esac
AC_MSG_RESULT($has_recursive_mutexes)
if test x$has_recursive_mutexes != xyes; then
CFLAGS="$CFLAGS -DPTHREAD_NO_RECURSIVE_MUTEX"
fi
# Check to see if this is broken glibc 2.0 pthreads
case "$target" in
*-*-linux*)
AC_MSG_CHECKING(for broken glibc 2.0 pthreads)
glibc20_pthreads=no
AC_TRY_COMPILE([
#include <features.h>
#if (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0)
#warning Working around a bug in glibc 2.0 pthreads
#else
#error pthread implementation okay
#endif /* glibc 2.0 */
],[
],[
glibc20_pthreads=yes
])
AC_MSG_RESULT($glibc20_pthreads)
esac
fi
fi
LIBS="$ac_save_libs"
AC_MSG_CHECKING(whether semun is defined in /usr/include/sys/sem.h)
have_semun=no
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/sem.h>
],[
union semun t;
],[
have_semun=yes
])
AC_MSG_RESULT($have_semun)
if test x$have_semun = xyes; then
CFLAGS="$CFLAGS -DHAVE_SEMUN"
fi
# See if we can use clone() on Linux directly
use_clone=no
if test x$enable_threads = xyes -a x$use_pthreads != xyes; then
case "$target" in
*-*-linux*)
use_clone=yes
;;
*)
CFLAGS="$CFLAGS -DFORK_HACK"
;;
esac
fi
AM_CONDITIONAL(USE_CLONE, test x$use_clone = xyes)
}
dnl Determine whether the compiler can produce Win32 executables
CheckWIN32()
{
AC_MSG_CHECKING(Win32 compiler)
have_win32_gcc=no
AC_TRY_COMPILE([
#include <windows.h>
],[
],[
have_win32_gcc=yes
])
AC_MSG_RESULT($have_win32_gcc)
if test x$have_win32_gcc != xyes; then
AC_MSG_ERROR([
*** Your compiler ($CC) does not produce Win32 executables!
])
fi
dnl See if the user wants to redirect standard output to files
AC_ARG_ENABLE(stdio-redirect,
[ --enable-stdio-redirect Redirect STDIO to files on Win32 [default=yes]],
, enable_stdio_redirect=yes)
if test x$enable_stdio_redirect != xyes; then
CFLAGS="$CFLAGS -DNO_STDIO_REDIRECT"
fi
}
dnl Find the DirectX includes and libraries
CheckDIRECTX()