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root/cebix/BasiliskII/src/Unix/configure.ac

Comparing BasiliskII/src/Unix/configure.ac (file contents):
Revision 1.26 by gbeauche, 2004-06-23T14:30:48Z vs.
Revision 1.63 by gbeauche, 2006-03-14T22:14:13Z

#	Line 21 | Line 21 | AC_ARG_ENABLE(fbdev-dga,     [  --enable
21		AC_ARG_ENABLE(vosf,          [  --enable-vosf           enable video on SEGV signals [default=yes]], [WANT_VOSF=$enableval], [WANT_VOSF=yes])
22
23		dnl SDL options.
24	+	AC_ARG_ENABLE(sdl-static,    [  --enable-sdl-static     use SDL static libraries for linking [default=no]], [WANT_SDL_STATIC=$enableval], [WANT_SDL_STATIC=no])
25		AC_ARG_ENABLE(sdl-video,     [  --enable-sdl-video      use SDL for video graphics [default=no]], [WANT_SDL_VIDEO=$enableval], [WANT_SDL_VIDEO=no])
26	+	AC_ARG_ENABLE(sdl-audio,     [  --enable-sdl-audio      use SDL for audio [default=no]], [WANT_SDL_AUDIO=$enableval], [WANT_SDL_AUDIO=no])
27
28		dnl JIT compiler options.
29		AC_ARG_ENABLE(jit-compiler,  [  --enable-jit-compiler   enable JIT compiler [default=no]], [WANT_JIT=$enableval], [WANT_JIT=no])
#	Line 58 | Line 60 | AC_ARG_ENABLE(addressing,
60
61		dnl External packages.
62		AC_ARG_WITH(esd,             [  --with-esd              support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes])
63	<	AC_ARG_WITH(gtk,             [  --with-gtk              use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes])
63	>	AC_ARG_WITH(gtk,             [  --with-gtk              use GTK user interface [default=yes]],
64	>	[case "$withval" in
65	>	gtk1)      WANT_GTK="gtk";;
66	>	gtk|gtk2)  WANT_GTK="$withval";;
67	>	yes)       WANT_GTK="gtk2 gtk";;
68	>	*)         WANT_GTK="no";;
69	>	esac],
70	>	[WANT_GTK="gtk2 gtk"])
71		AC_ARG_WITH(mon,             [  --with-mon              use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes])
72
73		dnl Canonical system information.
#	Line 97 | Line 106 | AC_PROG_CPP
106		AC_PROG_CXX
107		AC_PROG_MAKE_SET
108		AC_PROG_INSTALL
109	+	AC_PROG_EGREP
110
111		dnl We use mon if possible.
112		MONSRCS=
#	Line 125 | Line 135 | fi
135		dnl Checks for libraries.
136		AC_CHECK_LIB(posix4, sem_init)
137		AC_CHECK_LIB(rt, timer_create)
138	+	AC_CHECK_LIB(rt, shm_open)
139	+	AC_CHECK_LIB(m, cos)
140
141		dnl Do we need SDL?
142		WANT_SDL=no
131	–	SDL_SUPPORT="none"
143		if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
144		WANT_SDL=yes
145		WANT_XF86_DGA=no
146		WANT_XF86_VIDMODE=no
147		WANT_FBDEV_DGA=no
148	<	SDL_SUPPORT="video"
148	>	SDL_SUPPORT="$SDL_SUPPORT video"
149	>	fi
150	>	if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
151	>	WANT_SDL=yes
152	>	SDL_SUPPORT="$SDL_SUPPORT audio"
153		fi
154		if [[ "x$WANT_SDL" = "xyes" ]]; then
155		AC_PATH_PROG(sdl_config, "sdl-config")
156		if [[ -n "$sdl_config" ]]; then
157	<	sdl_cflags=`$sdl_config --cflags`
158	<	sdl_libs=`$sdl_config --libs`
157	>	case $target_os in
158	>	# Special treatment for Cygwin so that we can still use the POSIX layer
159	>	*cygwin*)
160	>	sdl_cflags="-I`$sdl_config --prefix`/include/SDL"
161	>	sdl_libs="-L`$sdl_config --exec-prefix`/lib -lSDL"
162	>	;;
163	>	*)
164	>	sdl_cflags=`$sdl_config --cflags`
165	>	if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
166	>	sdl_libs=`$sdl_config --static-libs`
167	>	else
168	>	sdl_libs=`$sdl_config --libs`
169	>	fi
170	>	;;
171	>	esac
172		CFLAGS="$CFLAGS $sdl_cflags"
173		CXXFLAGS="$CXXFLAGS $sdl_cflags"
174		LIBS="$LIBS $sdl_libs"
175		else
176		WANT_SDL=no
177		fi
178	+	SDL_SUPPORT=`echo "$SDL_SUPPORT" | sed -e "s/^ //"`
179	+	else
180	+	SDL_SUPPORT="none"
181		fi
182
183		dnl We need X11, if not using SDL.
#	Line 172 | Line 203 | AC_CHECK_LIB(pthread, pthread_create, ,
203		if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
204		AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
205		fi
206	<	AC_CHECK_FUNCS(pthread_cancel)
206	>	AC_CHECK_FUNCS(pthread_cond_init)
207	>	AC_CHECK_FUNCS(pthread_cancel pthread_testcancel)
208		AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
209		AC_CHECK_FUNCS(pthread_mutexattr_settype)
210		AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
#	Line 216 | Line 248 | fi
248
249		dnl We use GTK+ if possible.
250		UISRCS=../dummy/prefs_editor_dummy.cpp
251	<	if [[ "x$WANT_GTK" = "xyes" ]]; then
251	>	case "x$WANT_GTK" in
252	>	xgtk2*)
253	>	AM_PATH_GTK_2_0(1.3.15, [
254	>	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
255	>	CFLAGS="$CFLAGS $GTK_CFLAGS"
256	>	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
257	>	LIBS="$LIBS $GTK_LIBS"
258	>	UISRCS=prefs_editor_gtk.cpp
259	>	WANT_GTK=gtk2
260	>	], [
261	>	case "x${WANT_GTK}x" in
262	>	*gtkx)
263	>	AC_MSG_WARN([Could not find GTK+ 2.0, trying with GTK+ 1.2.])
264	>	WANT_GTK=gtk
265	>	;;
266	>	*)
267	>	AC_MSG_WARN([Could not find GTK+, disabling user interface.])
268	>	WANT_GTK=no
269	>	;;
270	>	esac
271	>	])
272	>	;;
273	>	esac
274	>	if [[ "x$WANT_GTK" = "xgtk" ]]; then
275		AM_PATH_GTK(1.2.0, [
276		AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
277		CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
#	Line 255 | Line 310 | AC_SYS_LARGEFILE
310
311		dnl Checks for header files.
312		AC_HEADER_STDC
313	+	AC_CHECK_HEADERS(stdlib.h stdint.h)
314		AC_CHECK_HEADERS(unistd.h fcntl.h sys/types.h sys/time.h sys/mman.h mach/mach.h)
315		AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
316	<	AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h)
316	>	AC_CHECK_HEADERS(sys/socket.h sys/ioctl.h sys/filio.h sys/bitypes.h sys/wait.h)
317	>	AC_CHECK_HEADERS(sys/poll.h sys/select.h)
318	>	AC_CHECK_HEADERS(arpa/inet.h)
319	>	AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h, [], [], [
320	>	#ifdef HAVE_SYS_TYPES_H
321	>	#include <sys/types.h>
322	>	#endif
323	>	#ifdef HAVE_SYS_SOCKET_H
324	>	#include <sys/socket.h>
325	>	#endif
326	>	])
327	>	AC_CHECK_HEADERS(AvailabilityMacros.h)
328	>	AC_CHECK_HEADERS(IOKit/storage/IOBlockStorageDevice.h)
329
330		dnl Checks for typedefs, structures, and compiler characteristics.
331		AC_C_BIGENDIAN
#	Line 297 | Line 365 | if [[ "x$ac_cv_type_socklen_t" != "xyes"
365		fi
366
367		dnl Checks for library functions.
368	<	AC_CHECK_FUNCS(strdup cfmakeraw)
368	>	AC_CHECK_FUNCS(strdup strerror cfmakeraw)
369		AC_CHECK_FUNCS(clock_gettime timer_create)
370		AC_CHECK_FUNCS(sigaction signal)
371		AC_CHECK_FUNCS(mmap mprotect munmap)
372		AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
373	+	AC_CHECK_FUNCS(poll inet_aton)
374
375		dnl Darwin seems to define mach_task_self() instead of task_self().
376		AC_CHECK_FUNCS(mach_task_self task_self)
#	Line 328 | Line 397 | mips-sony-bsd|mips-sony-newsos4)
397		*-*-sco3.2v5*)
398		no_dev_ptmx=1
399		;;
400	+	*-*-cygwin*)
401	+	no_dev_ptmx=1
402	+	;;
403		esac
404
405		if test -z "$no_dev_ptmx" ; then
#	Line 350 | Line 422 | AC_CHECK_FILE([/dev/ptc],
422		dnl (end of code from openssh-3.2.2p1 configure.ac)
423
424
425	+	dnl Check for systems where POSIX-style non-blocking I/O (O_NONBLOCK)
426	+	dnl doesn't work or is unimplemented. On these systems (mostly older
427	+	dnl ones), use the old BSD-style FIONBIO approach instead. [tcl.m4]
428	+	AC_CACHE_CHECK([FIONBIO vs. O_NONBLOCK for non-blocking I/O],
429	+	ac_cv_nonblocking_io, [
430	+	case "$host" in
431	+	*-*-osf*)
432	+	ac_cv_nonblocking_io=FIONBIO
433	+	;;
434	+	*-*-sunos4*)
435	+	ac_cv_nonblocking_io=FIONBIO
436	+	;;
437	+	*-*-ultrix*)
438	+	ac_cv_nonblocking_io=FIONBIO
439	+	;;
440	+	*)
441	+	ac_cv_nonblocking_io=O_NONBLOCK
442	+	;;
443	+	esac
444	+	])
445	+	if [[ "$ac_cv_nonblocking_io" = "FIONBIO" ]]; then
446	+	AC_DEFINE(USE_FIONBIO, 1, [Define if BSD-style non-blocking I/O is to be used])
447	+	fi
448	+
449	+	dnl Check whether compiler supports byte bit-fields
450	+	AC_CACHE_CHECK([whether compiler supports byte bit-fields],
451	+	ac_cv_have_byte_bitfields, [
452	+	AC_LANG_SAVE
453	+	AC_LANG_CPLUSPLUS
454	+	AC_TRY_RUN([
455	+	struct A {
456	+	unsigned char b1:4;
457	+	unsigned char b2:4;
458	+	unsigned char c;
459	+	unsigned short s;
460	+	unsigned char a[4];
461	+	};
462	+
463	+	int main(void) {
464	+	A a;
465	+	return ! (sizeof(A) == 8 && &a.c == ((unsigned char *)&a + 1));
466	+	}],
467	+	[ac_cv_have_byte_bitfields=yes],
468	+	[ac_cv_have_byte_bitfields=no],
469	+	dnl When cross-compiling, assume only GCC supports this
470	+	[if [[ "$GCC" = "yes" ]]; then
471	+	ac_cv_have_byte_bitfields="guessing yes"
472	+	else
473	+	ac_cv_have_byte_bitfields="guessing no"
474	+	fi]
475	+	)
476	+	AC_LANG_RESTORE
477	+	])
478	+
479	+	dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
480	+	AC_DEFUN([AC_CHECK_FRAMEWORK], [
481	+	AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
482	+	AC_CACHE_CHECK([whether compiler supports framework $1],
483	+	ac_Framework, [
484	+	saved_LIBS="$LIBS"
485	+	LIBS="$LIBS -framework $1"
486	+	AC_TRY_LINK(
487	+	[$2], [],
488	+	[AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
489	+	)
490	+	])
491	+	AS_IF([test AS_VAR_GET(ac_Framework) = yes],
492	+	[AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])]
493	+	)
494	+	AS_VAR_POPDEF([ac_Framework])dnl
495	+	])
496	+
497	+	dnl Check for some MacOS X frameworks
498	+	AC_CHECK_FRAMEWORK(AppKit, [])
499	+	AC_CHECK_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>])
500	+	AC_CHECK_FRAMEWORK(IOKit, [#include <IOKit/IOKitLib.h>])
501	+	AC_CHECK_FRAMEWORK(CoreFoundation, [#include <CoreFoundation/CoreFoundation.h>])
502	+
503		dnl Select system-dependant source files.
504		SERIALSRC=serial_unix.cpp
505		ETHERSRC=../dummy/ether_dummy.cpp
506		SCSISRC=../dummy/scsi_dummy.cpp
507		AUDIOSRC=../dummy/audio_dummy.cpp
508	+	EXTFSSRC=extfs_unix.cpp
509		EXTRASYSSRCS=
510		CAN_NATIVE_M68K=no
511		case "$target_os" in
#	Line 388 | Line 539 | freebsd*)
539		;;
540		netbsd*)
541		CAN_NATIVE_M68K=yes
542	+	ETHERSRC=ether_unix.cpp
543		;;
544		solaris*)
545		AUDIOSRC=Solaris/audio_solaris.cpp
546		DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
547		;;
548		irix*)
397	–	ETHERSRC=ether_unix.cpp
549		AUDIOSRC=Irix/audio_irix.cpp
550		EXTRASYSSRCS=Irix/unaligned.c
400	–	dnl IRIX headers work fine, but somehow don't define or use "STDC_HEADERS"
401	–	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200 -DSTDC_HEADERS"
551		LIBS="$LIBS -laudio"
552		WANT_ESD=no
553
#	Line 408 | Line 557 | irix*)
557		CFLAGS=`echo "$CFLAGS -IPA" | sed -e "s/-g//g"`
558		AC_MSG_CHECKING(if "-IPA" works)
559		dnl Do a test compile of an empty function
560	<	AC_TRY_COMPILE(,, [AC_MSG_RESULT(yes); HAVE_IPA=yes], AC_MSG_RESULT(no))
560	>	AC_TRY_COMPILE([#if defined __GNUC__
561	>	# error GCC does not support IPA yet
562	>	#endif],, [AC_MSG_RESULT(yes); HAVE_IPA=yes], AC_MSG_RESULT(no))
563		CFLAGS="$ocflags"
564	+	;;
565	+	darwin*)
566	+	ETHERSRC=ether_unix.cpp
567	+	if [[ "x$ac_cv_framework_IOKit" = "xyes" -a "x$ac_cv_framework_CoreFoundation" = "xyes" ]]; then
568	+	EXTRASYSSRCS="../MacOSX/sys_darwin.cpp"
569	+	fi
570	+	if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
571	+	EXTFSSRC=../MacOSX/extfs_macosx.mm
572	+	fi
573	+	;;
574	+	cygwin*)
575	+	SERIALSRC="../dummy/serial_dummy.cpp"
576	+	EXTRASYSSRCS="../Windows/BasiliskII.rc"
577	+	;;
578	+	esac
579
580	+	dnl Is the slirp library supported?
581	+	case "$ac_cv_have_byte_bitfields" in
582	+	yes|"guessing yes")
583	+	CAN_SLIRP=yes
584	+	ETHERSRC=ether_unix.cpp
585		;;
586		esac
587	+	if [[ -n "$CAN_SLIRP" ]]; then
588	+	AC_DEFINE(HAVE_SLIRP, 1, [Define if slirp library is supported])
589	+	SLIRP_SRCS="\
590	+	../slirp/bootp.c     ../slirp/ip_output.c  ../slirp/tcp_input.c  \
591	+	../slirp/cksum.c     ../slirp/mbuf.c       ../slirp/tcp_output.c \
592	+	../slirp/debug.c     ../slirp/misc.c       ../slirp/tcp_subr.c   \
593	+	../slirp/if.c        ../slirp/sbuf.c       ../slirp/tcp_timer.c  \
594	+	../slirp/ip_icmp.c   ../slirp/slirp.c      ../slirp/tftp.c       \
595	+	../slirp/ip_input.c  ../slirp/socket.c     ../slirp/udp.c"
596	+	fi
597	+	AC_SUBST(SLIRP_SRCS)
598	+
599		dnl SDL overrides
600		if [[ "x$WANT_SDL" = "xyes" ]]; then
601		AC_DEFINE(USE_SDL, 1, [Define to enble SDL support])
602		fi
603		if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
421	–	VIDEOSRC="../SDL/video_sdl.cpp"
604		AC_DEFINE(USE_SDL_VIDEO, 1, [Define to enable SDL video graphics support])
605	+	VIDEOSRCS="../SDL/video_sdl.cpp"
606	+	KEYCODES="../SDL/keycodes"
607	+	if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
608	+	EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx.cpp"
609	+	else
610	+	case "$target_os" in
611	+	cygwin*)
612	+	EXTRASYSSRCS="$EXTRASYSSRCS ../Windows/clip_windows.cpp"
613	+	;;
614	+	*)
615	+	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
616	+	;;
617	+	esac
618	+	fi
619		else
620	<	VIDEOSRC="video_x.cpp"
620	>	VIDEOSRCS="video_x.cpp"
621	>	KEYCODES="keycodes"
622	>	EXTRASYSSRCS="$EXTRASYSSRCS clip_unix.cpp"
623	>	fi
624	>	if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
625	>	AC_DEFINE(USE_SDL_AUDIO, 1, [Define to enable SDL audio support])
626	>	AUDIOSRC="../SDL/audio_sdl.cpp"
627		fi
628
629		dnl Use 68k CPU natively?
#	Line 438 | Line 640 | if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
640		ETHERSRC=../dummy/ether_dummy.cpp
641		AUDIOSRC=../dummy/audio_dummy.cpp
642		fi
643	<	SYSSRCS="$VIDEOSRC $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
643	>	SYSSRCS="$VIDEOSRCS $EXTFSSRC $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
644
645		dnl Define a macro that translates a yesno-variable into a C macro definition
646		dnl to be put into the config.h file
647		dnl $1 -- the macro to define
648		dnl $2 -- the value to translate
649		dnl $3 -- template name
650	<	AC_DEFUN(AC_TRANSLATE_DEFINE, [
650	>	AC_DEFUN([AC_TRANSLATE_DEFINE], [
651		if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then
652		AC_DEFINE($1, 1, $3)
653		fi
#	Line 656 | Line 858 | AC_CACHE_CHECK([whether we can map Low M
858		]
859		)
860
861	+	dnl Check if we have POSIX shared memory support
862	+	AC_CACHE_CHECK([whether POSIX shared memory is working],
863	+	ac_cv_have_posix_shm, [
864	+	AC_LANG_SAVE
865	+	AC_LANG_CPLUSPLUS
866	+	AC_TRY_RUN([
867	+	#define HAVE_POSIX_SHM
868	+	#include "vm_alloc.cpp"
869	+	int main(void) { /* returns 0 if we have working POSIX shm */
870	+	if (vm_init() < 0) exit(2);
871	+	char *m1 = (char *)vm_acquire(32768, VM_MAP_DEFAULT | VM_MAP_33BIT);
872	+	if (m1 == VM_MAP_FAILED) exit(3);
873	+	vm_exit(); exit(0);
874	+	}
875	+	], ac_cv_have_posix_shm=yes, ac_cv_have_posix_shm=no,
876	+	dnl When cross-compiling, do not assume anything.
877	+	ac_cv_have_posix_shm="guessing no"
878	+	)
879	+	AC_LANG_RESTORE
880	+	]
881	+	)
882	+	AC_TRANSLATE_DEFINE(HAVE_POSIX_SHM, "$ac_cv_have_posix_shm",
883	+	[Define if your system supports POSIX shared memory.])
884	+
885	+	dnl Check if we have working 33-bit memory addressing
886	+	AC_CACHE_CHECK([whether 33-bit memory addressing is working],
887	+	ac_cv_have_33bit_addressing, [
888	+	AC_LANG_SAVE
889	+	AC_LANG_CPLUSPLUS
890	+	AC_TRY_RUN([
891	+	#define USE_33BIT_ADDRESSING 1
892	+	#include "vm_alloc.cpp"
893	+	int main(void) { /* returns 0 if we have working 33-bit addressing */
894	+	if (sizeof(void *) < 8) exit(1);
895	+	if (vm_init() < 0) exit(2);
896	+	char *m1 = (char *)vm_acquire(32768, VM_MAP_DEFAULT | VM_MAP_33BIT);
897	+	if (m1 == VM_MAP_FAILED) exit(3);
898	+	char *m2 = m1 + (1L << 32);
899	+	m1[0] = 0x12; if (m2[0] != 0x12) exit(4);
900	+	m2[0] = 0x34; if (m1[0] != 0x34) exit(5);
901	+	vm_exit(); exit(0);
902	+	}
903	+	], ac_cv_have_33bit_addressing=yes, ac_cv_have_33bit_addressing=no,
904	+	dnl When cross-compiling, do not assume anything.
905	+	ac_cv_have_33bit_addressing="guessing no"
906	+	)
907	+	AC_LANG_RESTORE
908	+	]
909	+	)
910	+
911		dnl Check signal handlers need to be reinstalled
912		AC_CACHE_CHECK([whether signal handlers need to be reinstalled],
913		ac_cv_signal_need_reinstall, [
#	Line 741 | Line 993 | AC_CACHE_CHECK([whether your system supp
993		AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions",
994		[Define if your system supports Mach exceptions.])
995
996	+	dnl Check if Windows exceptions are supported.
997	+	AC_CACHE_CHECK([whether your system supports Windows exceptions],
998	+	ac_cv_have_win32_exceptions, [
999	+	AC_LANG_SAVE
1000	+	AC_LANG_CPLUSPLUS
1001	+	AC_TRY_RUN([
1002	+	#define HAVE_WIN32_EXCEPTIONS 1
1003	+	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
1004	+	#include "vm_alloc.cpp"
1005	+	#include "sigsegv.cpp"
1006	+	], [
1007	+	sigsegv_recovery=win32
1008	+	ac_cv_have_win32_exceptions=yes
1009	+	],
1010	+	ac_cv_have_win32_exceptions=no,
1011	+	dnl When cross-compiling, do not assume anything.
1012	+	ac_cv_have_win32_exceptions=no
1013	+	)
1014	+	AC_LANG_RESTORE
1015	+	]
1016	+	)
1017	+	AC_TRANSLATE_DEFINE(HAVE_WIN32_EXCEPTIONS, "$ac_cv_have_win32_exceptions",
1018	+	[Define if your system supports Windows exceptions.])
1019	+
1020		dnl Otherwise, check if extended signals are supported.
1021		if [[ -z "$sigsegv_recovery" ]]; then
1022		AC_CACHE_CHECK([whether your system supports extended signal handlers],
#	Line 819 | Line 1095 | if [[ -n "$sigsegv_recovery" ]]; then
1095		fi
1096
1097		dnl A dummy program that returns always true
1098	<	BLESS=/bin/true
1098	>	AC_PATH_PROG([BLESS], "true")
1099	>
1100	>	dnl Check for linker script support
1101	>	case $target_os:$target_cpu in
1102	>	linux*:i?86)    LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1103	>	linux*:x86_64)  LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-x86_64.ld";;
1104	>	darwin*:powerpc)LINKER_SCRIPT_FLAGS="-Wl,-seg1addr,0x78048000";;
1105	>	esac
1106	>	if [[ -n "$LINKER_SCRIPT_FLAGS" ]]; then
1107	>	AC_CACHE_CHECK([whether linker script is usable],
1108	>	ac_cv_linker_script_works, [
1109	>	AC_LANG_SAVE
1110	>	AC_LANG_CPLUSPLUS
1111	>	saved_LDFLAGS="$LDFLAGS"
1112	>	LDFLAGS="$LDFLAGS $LINKER_SCRIPT_FLAGS"
1113	>	AC_TRY_RUN(
1114	>	[int main() {if ((char *)&main < (char *)0x70000000) return 1;}],
1115	>	[ac_cv_linker_script_works=yes],
1116	>	[ac_cv_linker_script_works=no],
1117	>	dnl When cross-compiling, assume it works
1118	>	[ac_cv_linker_script_works="guessing yes"]
1119	>	)
1120	>	AC_LANG_RESTORE
1121	>	if [[ "$ac_cv_linker_script_works" = "no" ]]; then
1122	>	LDFLAGS="$saved_LDFLAGS"
1123	>	LINKER_SCRIPT_FLAGS=""
1124	>	fi
1125	>	])
1126	>	fi
1127	>	AC_TRANSLATE_DEFINE(HAVE_LINKER_SCRIPT, "$ac_cv_linker_script_works",
1128	>	[Define if there is a linker script to relocate the executable above 0x70000000.])
1129
1130		dnl Determine the addressing mode to use
1131		if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
#	Line 898 | Line 1204 | AC_MSG_RESULT($HAVE_GAS)
1204		dnl Check for GCC 2.7 or higher.
1205		HAVE_GCC27=no
1206		AC_MSG_CHECKING(for GCC 2.7 or higher)
1207	<	AC_EGREP_CPP(xyes,
1208	<	[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5
1209	<	xyes
1210	<	#endif
1211	<	], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
1207	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5)
1208	>	# error gcc < 2.7
1209	>	#endif
1210	>	]])],
1211	>	[AC_MSG_RESULT(yes); HAVE_GCC27=yes],
1212	>	[AC_MSG_RESULT(no)])
1213
1214		dnl Check for GCC 3.0 or higher.
1215		HAVE_GCC30=no
1216		AC_MSG_CHECKING(for GCC 3.0 or higher)
1217	<	AC_EGREP_CPP(xyes,
1218	<	[#if __GNUC__ >= 3
1219	<	xyes
1220	<	#endif
1221	<	], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
1217	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ >= 3)
1218	>	# error gcc < 3
1219	>	#endif
1220	>	]])],
1221	>	[AC_MSG_RESULT(yes); HAVE_GCC30=yes],
1222	>	[AC_MSG_RESULT(no)])
1223	>
1224	>	dnl Check for ICC.
1225	>	AC_MSG_CHECKING(for ICC)
1226	>	HAVE_ICC=no
1227	>	if $CXX -V -v 2>&1 | grep -q "Intel(R) C++ Compiler"; then
1228	>	HAVE_ICC=yes
1229	>	fi
1230	>	AC_MSG_RESULT($HAVE_ICC)
1231
1232		dnl Set "-fomit-frame-pointer" on i386 GCC 2.7 or higher.
1233		dnl Also set "-fno-exceptions" for C++ because exception handling requires
#	Line 926 | Line 1242 | dnl As of 2001/08/02, this affects the f
1242		dnl Official: probably gcc-3.1 (mainline CVS)
1243		dnl Mandrake: gcc-2.96 >= 0.59mdk, gcc-3.0.1 >= 0.1mdk
1244		dnl Red Hat : gcc-2.96 >= 89, gcc-3.0 >= 1
1245	<	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
1245	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1246		SAVED_CXXFLAGS="$CXXFLAGS"
1247		CXXFLAGS="$CXXFLAGS -fno-merge-constants"
1248		AC_CACHE_CHECK([whether GCC supports constants merging], ac_cv_gcc_constants_merging, [
#	Line 940 | Line 1256 | if [[ "x$HAVE_GCC27" = "xyes" ]]; then
1256		fi
1257		fi
1258
1259	+	dnl Store motion was introduced in 3.3-hammer branch and any gcc >= 3.4
1260	+	dnl However, there are some corner cases exposed on x86-64
1261	+	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1262	+	SAVED_CXXFLAGS="$CXXFLAGS"
1263	+	CXXFLAGS="$CXXFLAGS -fno-gcse-sm"
1264	+	AC_CACHE_CHECK([whether GCC supports store motion], ac_cv_gcc_store_motion, [
1265	+	AC_LANG_SAVE
1266	+	AC_LANG_CPLUSPLUS
1267	+	AC_TRY_COMPILE([],[],[ac_cv_gcc_store_motion=yes],[ac_cv_gcc_store_motion=no])
1268	+	AC_LANG_RESTORE
1269	+	])
1270	+	if [[ "x$ac_cv_gcc_store_motion" != "xyes" ]]; then
1271	+	CXXFLAGS="$SAVED_CXXFLAGS"
1272	+	fi
1273	+	fi
1274	+
1275	+	dnl Add -fno-strict-aliasing for slirp sources
1276	+	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1277	+	SAVED_CFLAGS="$CFLAGS"
1278	+	CFLAGS="$CFLAGS -fno-strict-aliasing"
1279	+	AC_CACHE_CHECK([whether the compiler supports -fno-strict-aliasing],
1280	+	ac_cv_gcc_no_strict_aliasing, [
1281	+	AC_TRY_COMPILE([],[],
1282	+	[ac_cv_gcc_no_strict_aliasing=yes; AC_SUBST(SLIRP_CFLAGS, "-fno-strict-aliasing")],
1283	+	[ac_cv_gcc_no_strict_aliasing=no])
1284	+	])
1285	+	CFLAGS="$SAVED_CFLAGS"
1286	+	fi
1287	+
1288	+	dnl Add -mdynamic-no-pic for MacOS X (XXX icc10 will support MacOS X)
1289	+	if [[ "x$HAVE_GCC30" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1290	+	SAVED_CFLAGS="$CFLAGS"
1291	+	CFLAGS="$CFLAGS -mdynamic-no-pic"
1292	+	AC_CACHE_CHECK([whether the compiler supports -mdynamic-no-pic],
1293	+	ac_cv_gcc_mdynamic_no_pic, [
1294	+	AC_TRY_COMPILE([],[],[ac_cv_gcc_mdynamic_no_pic=yes],[ac_cv_gcc_mdynamic_no_pic=no])
1295	+	])
1296	+	if [[ "x$ac_cv_gcc_mdynamic_no_pic" = "xyes" ]]; then
1297	+	CXXFLAGS="$CXXFLAGS -mdynamic-no-pic"
1298	+	else
1299	+	CFLAGS="$SAVED_CFLAGS"
1300	+	fi
1301	+	fi
1302	+
1303		dnl Select appropriate CPU source and REGPARAM define.
1304		ASM_OPTIMIZATIONS=none
1305		CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
#	Line 964 | Line 1324 | elif [[ "x$HAVE_GCC30" = "xyes" -a "x$HA
1324		if [[ "x$HAVE_GAS" = "xyes" ]]; then
1325		ASM_OPTIMIZATIONS="x86-64"
1326		DEFINES="$DEFINES -DX86_64_ASSEMBLY -DOPTIMIZED_FLAGS"
1327	+	JITSRCS="cpuemu1_nf.cpp cpuemu2_nf.cpp cpuemu3_nf.cpp cpuemu4_nf.cpp cpuemu5_nf.cpp cpuemu6_nf.cpp cpuemu7_nf.cpp cpuemu8_nf.cpp $JITSRCS"
1328	+	CAN_JIT=yes
1329	+	WANT_33BIT_ADDRESSING=yes
1330		fi
1331		elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
1332		dnl SPARC CPU
#	Line 1020 | Line 1383 | else
1383		JITSRCS=""
1384		fi
1385
1386	+	dnl Use 33-bit memory addressing?
1387	+	if [[ "$ac_cv_have_33bit_addressing:$WANT_33BIT_ADDRESSING" = "yes:yes" ]]; then
1388	+	use_33bit_addressing=yes
1389	+	fi
1390	+	AC_TRANSLATE_DEFINE(USE_33BIT_ADDRESSING, "$use_33bit_addressing",
1391	+	[Define to use 33-bit memory addressing on 64-bit JIT capable systems.])
1392	+
1393		dnl Utility macro used by next two tests.
1394		dnl AC_EXAMINE_OBJECT(C source code,
1395		dnl     commands examining object file,
#	Line 1217 | Line 1587 | fi
1587
1588		dnl Remove the "-g" option if set for GCC.
1589		if [[ "x$HAVE_GCC27" = "xyes" ]]; then
1590	<	CFLAGS=`echo $CFLAGS | sed -e 's/-g//g'`
1591	<	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/-g//g'`
1590	>	CFLAGS=`echo $CFLAGS | sed -e 's/-g\b//g'`
1591	>	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/-g\b//g'`
1592		fi
1593
1594		dnl Or if we have -IPA (MIPSPro compilers)
#	Line 1235 | Line 1605 | AC_SUBST(SYSSRCS)
1605		AC_SUBST(CPUINCLUDES)
1606		AC_SUBST(CPUSRCS)
1607		AC_SUBST(BLESS)
1608	+	AC_SUBST(KEYCODES)
1609		AC_CONFIG_FILES([Makefile])
1610		AC_OUTPUT
1611

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