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

Comparing BasiliskII/src/Unix/configure.ac (file contents):
Revision 1.18 by gbeauche, 2003-08-17T10:16:23Z vs.
Revision 1.53 by gbeauche, 2005-07-06T05:25:05Z

#	Line 6 | Line 6 | AC_CONFIG_SRCDIR(main_unix.cpp)
6		AC_PREREQ(2.52)
7		AC_CONFIG_HEADER(config.h)
8
9	+	dnl Aliases for PACKAGE and VERSION macros.
10	+	AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE_NAME", [Define this program name.])
11	+	AC_DEFINE_UNQUOTED(VERSION, "$PACKAGE_VERSION", [Define this program version.])
12	+
13	+	dnl Some systems do not put corefiles in the currect directory, avoid saving
14	+	dnl cores for the configure tests since some are intended to dump core.
15	+	ulimit -c 0
16	+
17		dnl Video options.
18		AC_ARG_ENABLE(xf86-dga,      [  --enable-xf86-dga       use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes])
19		AC_ARG_ENABLE(xf86-vidmode,  [  --enable-xf86-vidmode   use the XFree86 VidMode extension [default=yes]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=yes])
20		AC_ARG_ENABLE(fbdev-dga,     [  --enable-fbdev-dga      use direct frame buffer access via /dev/fb [default=yes]], [WANT_FBDEV_DGA=$enableval], [WANT_FBDEV_DGA=yes])
21		AC_ARG_ENABLE(vosf,          [  --enable-vosf           enable video on SEGV signals [default=yes]], [WANT_VOSF=$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])
30		AC_ARG_ENABLE(jit-debug,     [  --enable-jit-debug      activate native code disassemblers [default=no]], [WANT_JIT_DEBUG=$enableval], [WANT_JIT_DEBUG=no])
#	Line 47 | Line 60 | AC_ARG_ENABLE(addressing,
60
61		dnl External packages.
62		AC_ARG_WITH(esd,             [  --with-esd              support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$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 86 | 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 104 | Line 125 | if [[ "x$WANT_MON" = "xyes" ]]; then
125		AC_CHECK_LIB(Hcurses, tgetent, ,
126		AC_CHECK_LIB(curses, tgetent))))))
127		AC_CHECK_LIB(readline, readline)
107	–	AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
128		else
129		AC_MSG_RESULT(no)
130		AC_MSG_WARN([Could not find mon, ignoring --with-mon.])
#	Line 115 | Line 135 | fi
135		dnl Checks for libraries.
136		AC_CHECK_LIB(posix4, sem_init)
137		AC_CHECK_LIB(rt, timer_create)
138	+	AC_CHECK_LIB(rt, shm_open)
139	+
140	+	dnl Do we need SDL?
141	+	WANT_SDL=no
142	+	if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
143	+	WANT_SDL=yes
144	+	WANT_XF86_DGA=no
145	+	WANT_XF86_VIDMODE=no
146	+	WANT_FBDEV_DGA=no
147	+	SDL_SUPPORT="$SDL_SUPPORT video"
148	+	fi
149	+	if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
150	+	WANT_SDL=yes
151	+	SDL_SUPPORT="$SDL_SUPPORT audio"
152	+	fi
153	+	if [[ "x$WANT_SDL" = "xyes" ]]; then
154	+	AC_PATH_PROG(sdl_config, "sdl-config")
155	+	if [[ -n "$sdl_config" ]]; then
156	+	case $target_os in
157	+	# Special treatment for Cygwin so that we can still use the POSIX layer
158	+	*cygwin*)
159	+	sdl_cflags="-I`$sdl_config --prefix`/include/SDL"
160	+	sdl_libs="-L`$sdl_config --exec-prefix`/lib -lSDL"
161	+	;;
162	+	*)
163	+	sdl_cflags=`$sdl_config --cflags`
164	+	if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
165	+	sdl_libs=`$sdl_config --static-libs`
166	+	else
167	+	sdl_libs=`$sdl_config --libs`
168	+	fi
169	+	;;
170	+	esac
171	+	CFLAGS="$CFLAGS $sdl_cflags"
172	+	CXXFLAGS="$CXXFLAGS $sdl_cflags"
173	+	LIBS="$LIBS $sdl_libs"
174	+	else
175	+	WANT_SDL=no
176	+	fi
177	+	SDL_SUPPORT=`echo "$SDL_SUPPORT" | sed -e "s/^ //"`
178	+	else
179	+	SDL_SUPPORT="none"
180	+	fi
181
182	<	dnl We need X11.
183	<	AC_PATH_XTRA
184	<	if [[ "x$no_x" = "xyes" ]]; then
185	<	AC_MSG_ERROR([You need X11 to run Basilisk II.])
186	<	fi
187	<	CFLAGS="$CFLAGS $X_CFLAGS"
188	<	CXXFLAGS="$CXXFLAGS $X_CFLAGS"
189	<	LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
182	>	dnl We need X11, if not using SDL.
183	>	if [[ "x$WANT_SDL" = "xno" ]]; then
184	>	AC_PATH_XTRA
185	>	if [[ "x$no_x" = "xyes" ]]; then
186	>	AC_MSG_ERROR([You need X11 to run Basilisk II.])
187	>	fi
188	>	CFLAGS="$CFLAGS $X_CFLAGS"
189	>	CXXFLAGS="$CXXFLAGS $X_CFLAGS"
190	>	LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
191	>	fi
192
193		dnl We want pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL.
194		HAVE_PTHREADS=yes
#	Line 137 | Line 202 | AC_CHECK_LIB(pthread, pthread_create, ,
202		if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
203		AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
204		fi
205	<	AC_CHECK_FUNCS(pthread_cancel)
205	>	AC_CHECK_FUNCS(pthread_cond_init)
206	>	AC_CHECK_FUNCS(pthread_cancel pthread_testcancel)
207		AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
208		AC_CHECK_FUNCS(pthread_mutexattr_settype)
209		AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
#	Line 181 | Line 247 | fi
247
248		dnl We use GTK+ if possible.
249		UISRCS=../dummy/prefs_editor_dummy.cpp
250	<	if [[ "x$WANT_GTK" = "xyes" ]]; then
250	>	case "x$WANT_GTK" in
251	>	xgtk2*)
252	>	AM_PATH_GTK_2_0(1.3.15, [
253	>	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
254	>	CFLAGS="$CFLAGS $GTK_CFLAGS"
255	>	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
256	>	LIBS="$LIBS $GTK_LIBS"
257	>	UISRCS=prefs_editor_gtk.cpp
258	>	WANT_GTK=gtk2
259	>	], [
260	>	case "x${WANT_GTK}x" in
261	>	*gtkx)
262	>	AC_MSG_WARN([Could not find GTK+ 2.0, trying with GTK+ 1.2.])
263	>	WANT_GTK=gtk
264	>	;;
265	>	*)
266	>	AC_MSG_WARN([Could not find GTK+, disabling user interface.])
267	>	WANT_GTK=no
268	>	;;
269	>	esac
270	>	])
271	>	;;
272	>	esac
273	>	if [[ "x$WANT_GTK" = "xgtk" ]]; then
274		AM_PATH_GTK(1.2.0, [
275		AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
276		CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
#	Line 220 | Line 309 | AC_SYS_LARGEFILE
309
310		dnl Checks for header files.
311		AC_HEADER_STDC
312	<	AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h sys/mman.h)
312	>	AC_CHECK_HEADERS(stdlib.h stdint.h)
313	>	AC_CHECK_HEADERS(unistd.h fcntl.h sys/types.h sys/time.h sys/mman.h mach/mach.h)
314	>	AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
315	>	AC_CHECK_HEADERS(sys/socket.h sys/ioctl.h sys/filio.h sys/bitypes.h sys/wait.h)
316	>	AC_CHECK_HEADERS(sys/poll.h sys/select.h)
317	>	AC_CHECK_HEADERS(arpa/inet.h)
318	>	AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h, [], [], [
319	>	#ifdef HAVE_SYS_TYPES_H
320	>	#include <sys/types.h>
321	>	#endif
322	>	#ifdef HAVE_SYS_SOCKET_H
323	>	#include <sys/socket.h>
324	>	#endif
325	>	])
326	>	AC_CHECK_HEADERS(AvailabilityMacros.h)
327	>	AC_CHECK_HEADERS(IOKit/storage/IOBlockStorageDevice.h)
328
329		dnl Checks for typedefs, structures, and compiler characteristics.
330		AC_C_BIGENDIAN
#	Line 235 | Line 339 | AC_CHECK_SIZEOF(double, 8)
339		AC_CHECK_SIZEOF(long double, 12)
340		AC_CHECK_SIZEOF(void *, 4)
341		AC_TYPE_OFF_T
342	<	AC_CHECK_TYPE(loff_t, off_t)
343	<	AC_CHECK_TYPE(caddr_t, [char *])
342	>	AC_CHECK_TYPES(loff_t)
343	>	AC_CHECK_TYPES(caddr_t)
344		AC_TYPE_SIZE_T
345		AC_TYPE_SIGNAL
346		AC_HEADER_TIME
#	Line 260 | Line 364 | if [[ "x$ac_cv_type_socklen_t" != "xyes"
364		fi
365
366		dnl Checks for library functions.
367	<	AC_CHECK_FUNCS(strdup cfmakeraw)
367	>	AC_CHECK_FUNCS(strdup strerror cfmakeraw)
368		AC_CHECK_FUNCS(clock_gettime timer_create)
369		AC_CHECK_FUNCS(sigaction signal)
370		AC_CHECK_FUNCS(mmap mprotect munmap)
371		AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
372	+	AC_CHECK_FUNCS(poll inet_aton)
373
374		dnl Darwin seems to define mach_task_self() instead of task_self().
375		AC_CHECK_FUNCS(mach_task_self task_self)
#	Line 291 | Line 396 | mips-sony-bsd|mips-sony-newsos4)
396		*-*-sco3.2v5*)
397		no_dev_ptmx=1
398		;;
399	+	*-*-cygwin*)
400	+	no_dev_ptmx=1
401	+	;;
402		esac
403
404		if test -z "$no_dev_ptmx" ; then
#	Line 313 | Line 421 | AC_CHECK_FILE([/dev/ptc],
421		dnl (end of code from openssh-3.2.2p1 configure.ac)
422
423
424	+	dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
425	+	AC_DEFUN([AC_CHECK_FRAMEWORK], [
426	+	AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
427	+	AC_CACHE_CHECK([whether compiler supports framework $1],
428	+	ac_Framework, [
429	+	saved_LIBS="$LIBS"
430	+	LIBS="$LIBS -framework $1"
431	+	AC_TRY_LINK(
432	+	[$2], [int main(void) { return 0; }],
433	+	[AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
434	+	)
435	+	])
436	+	AS_IF([test AS_VAR_GET(ac_Framework) = yes],
437	+	[AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])]
438	+	)
439	+	AS_VAR_POPDEF([ac_Framework])dnl
440	+	])
441	+
442	+	dnl Check for some MacOS X frameworks
443	+	AC_CHECK_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>])
444	+	AC_CHECK_FRAMEWORK(IOKit, [#include <IOKit/IOKitLib.h>])
445	+	AC_CHECK_FRAMEWORK(CoreFoundation, [#include <CoreFoundation/CoreFoundation.h>])
446	+
447		dnl Select system-dependant source files.
448		SERIALSRC=serial_unix.cpp
449		ETHERSRC=../dummy/ether_dummy.cpp
450		SCSISRC=../dummy/scsi_dummy.cpp
451		AUDIOSRC=../dummy/audio_dummy.cpp
452	+	EXTFSSRC=extfs_unix.cpp
453		EXTRASYSSRCS=
454		CAN_NATIVE_M68K=no
455		case "$target_os" in
#	Line 351 | Line 483 | freebsd*)
483		;;
484		netbsd*)
485		CAN_NATIVE_M68K=yes
486	+	ETHERSRC=ether_unix.cpp
487		;;
488		solaris*)
489		AUDIOSRC=Solaris/audio_solaris.cpp
#	Line 373 | Line 506 | irix*)
506		dnl Do a test compile of an empty function
507		AC_TRY_COMPILE(,, [AC_MSG_RESULT(yes); HAVE_IPA=yes], AC_MSG_RESULT(no))
508		CFLAGS="$ocflags"
509	<
509	>	;;
510	>	darwin*)
511	>	ETHERSRC=ether_unix.cpp
512	>	if [[ "x$ac_cv_framework_IOKit" = "xyes" -a "x$ac_cv_framework_CoreFoundation" = "xyes" ]]; then
513	>	EXTRASYSSRCS="../MacOSX/sys_darwin.cpp"
514	>	fi
515	>	if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
516	>	EXTFSSRC=../MacOSX/extfs_macosx.mm
517	>	fi
518	>	;;
519	>	cygwin*)
520	>	SERIALSRC="../dummy/serial_dummy.cpp"
521	>	EXTRASYSSRCS="../Windows/BasiliskII.rc"
522		;;
523		esac
524
525	+	dnl Is the slirp library supported?
526	+	if [[ "x$ETHERSRC" = "xether_unix.cpp" ]]; then
527	+	AC_DEFINE(HAVE_SLIRP, 1, [Define if slirp library is supported])
528	+	SLIRP_SRCS="\
529	+	../slirp/bootp.c     ../slirp/ip_output.c  ../slirp/tcp_input.c  \
530	+	../slirp/cksum.c     ../slirp/mbuf.c       ../slirp/tcp_output.c \
531	+	../slirp/debug.c     ../slirp/misc.c       ../slirp/tcp_subr.c   \
532	+	../slirp/if.c        ../slirp/sbuf.c       ../slirp/tcp_timer.c  \
533	+	../slirp/ip_icmp.c   ../slirp/slirp.c      ../slirp/tftp.c       \
534	+	../slirp/ip_input.c  ../slirp/socket.c     ../slirp/udp.c"
535	+	fi
536	+	AC_SUBST(SLIRP_SRCS)
537	+
538	+	dnl SDL overrides
539	+	if [[ "x$WANT_SDL" = "xyes" ]]; then
540	+	AC_DEFINE(USE_SDL, 1, [Define to enble SDL support])
541	+	fi
542	+	if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
543	+	AC_DEFINE(USE_SDL_VIDEO, 1, [Define to enable SDL video graphics support])
544	+	VIDEOSRCS="../SDL/video_sdl.cpp"
545	+	KEYCODES="../SDL/keycodes"
546	+	if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
547	+	EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx.cpp"
548	+	else
549	+	case "$target_os" in
550	+	cygwin*)
551	+	EXTRASYSSRCS="$EXTRASYSSRCS ../Windows/clip_windows.cpp"
552	+	;;
553	+	*)
554	+	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
555	+	;;
556	+	esac
557	+	fi
558	+	else
559	+	VIDEOSRCS="video_x.cpp"
560	+	KEYCODES="keycodes"
561	+	EXTRASYSSRCS="$EXTRASYSSRCS clip_unix.cpp"
562	+	fi
563	+	if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
564	+	AC_DEFINE(USE_SDL_AUDIO, 1, [Define to enable SDL audio support])
565	+	AUDIOSRC="../SDL/audio_sdl.cpp"
566	+	fi
567	+
568		dnl Use 68k CPU natively?
569		WANT_NATIVE_M68K=no
570		if [[ "x$HAVE_M68K" = "xyes" -a "x$CAN_NATIVE_M68K" = "xyes" ]]; then
#	Line 391 | Line 579 | if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
579		ETHERSRC=../dummy/ether_dummy.cpp
580		AUDIOSRC=../dummy/audio_dummy.cpp
581		fi
582	<	SYSSRCS="$SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
582	>	SYSSRCS="$VIDEOSRCS $EXTFSSRC $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
583
584		dnl Define a macro that translates a yesno-variable into a C macro definition
585		dnl to be put into the config.h file
586		dnl $1 -- the macro to define
587		dnl $2 -- the value to translate
588		dnl $3 -- template name
589	<	AC_DEFUN(AC_TRANSLATE_DEFINE, [
589	>	AC_DEFUN([AC_TRANSLATE_DEFINE], [
590		if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then
591		AC_DEFINE($1, 1, $3)
592		fi
593		])
594
595	+	dnl Check that the host supports TUN/TAP devices
596	+	AC_CACHE_CHECK([whether TUN/TAP is supported],
597	+	ac_cv_tun_tap_support, [
598	+	AC_TRY_COMPILE([
599	+	#if defined(HAVE_LINUX_IF_H) && defined(HAVE_LINUX_IF_TUN_H)
600	+	#include <linux/if.h>
601	+	#include <linux/if_tun.h>
602	+	#endif
603	+	#if defined(HAVE_NET_IF_H) && defined(HAVE_NET_IF_TUN_H)
604	+	#include <net/if.h>
605	+	#include <net/if_tun.h>
606	+	#endif
607	+	], [
608	+	struct ifreq ifr;
609	+	memset(&ifr, 0, sizeof(ifr));
610	+	ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
611	+	],
612	+	ac_cv_tun_tap_support=yes, ac_cv_tun_tap_support=no
613	+	)
614	+	])
615	+	AC_TRANSLATE_DEFINE(ENABLE_TUNTAP, "$ac_cv_tun_tap_support",
616	+	[Define if your system supports TUN/TAP devices.])
617	+
618		dnl Various checks if the system supports vm_allocate() and the like functions.
619		have_mach_vm=no
620		if [[ "x$ac_cv_func_vm_allocate" = "xyes" -a "x$ac_cv_func_vm_deallocate" = "xyes" -a \
#	Line 550 | Line 761 | AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_
761
762		fi dnl HAVE_MMAP_VM
763
764	+	dnl Check if we can modify the __PAGEZERO segment for use as Low Memory
765	+	AC_CACHE_CHECK([whether __PAGEZERO can be Low Memory area 0x0000-0x2000],
766	+	ac_cv_pagezero_hack, [
767	+	ac_cv_pagezero_hack=no
768	+	if AC_TRY_COMMAND([Darwin/testlmem.sh 0x2000]); then
769	+	ac_cv_pagezero_hack=yes
770	+	dnl might as well skip the test for mmap-able low memory
771	+	ac_cv_can_map_lm=no
772	+	fi
773	+	])
774	+	AC_TRANSLATE_DEFINE(PAGEZERO_HACK, "$ac_cv_pagezero_hack",
775	+	[Define if the __PAGEZERO Mach-O Low Memory Globals hack works on this system.])
776	+
777		dnl Check if we can mmap 0x2000 bytes from 0x0000
778		AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x2000],
779		ac_cv_can_map_lm, [
#	Line 573 | Line 797 | AC_CACHE_CHECK([whether we can map Low M
797		]
798		)
799
800	+	dnl Check if we have POSIX shared memory support
801	+	AC_CACHE_CHECK([whether POSIX shared memory is working],
802	+	ac_cv_have_posix_shm, [
803	+	AC_LANG_SAVE
804	+	AC_LANG_CPLUSPLUS
805	+	AC_TRY_RUN([
806	+	#define HAVE_POSIX_SHM
807	+	#include "vm_alloc.cpp"
808	+	int main(void) { /* returns 0 if we have working POSIX shm */
809	+	if (vm_init() < 0) exit(2);
810	+	char *m1 = (char *)vm_acquire(32768, VM_MAP_DEFAULT | VM_MAP_33BIT);
811	+	if (m1 == VM_MAP_FAILED) exit(3);
812	+	vm_exit(); exit(0);
813	+	}
814	+	], ac_cv_have_posix_shm=yes, ac_cv_have_posix_shm=no,
815	+	dnl When cross-compiling, do not assume anything.
816	+	ac_cv_have_posix_shm="guessing no"
817	+	)
818	+	AC_LANG_RESTORE
819	+	]
820	+	)
821	+	AC_TRANSLATE_DEFINE(HAVE_POSIX_SHM, "$ac_cv_have_posix_shm",
822	+	[Define if your system supports POSIX shared memory.])
823	+
824	+	dnl Check if we have working 33-bit memory addressing
825	+	AC_CACHE_CHECK([whether 33-bit memory addressing is working],
826	+	ac_cv_have_33bit_addressing, [
827	+	AC_LANG_SAVE
828	+	AC_LANG_CPLUSPLUS
829	+	AC_TRY_RUN([
830	+	#define USE_33BIT_ADDRESSING 1
831	+	#include "vm_alloc.cpp"
832	+	int main(void) { /* returns 0 if we have working 33-bit addressing */
833	+	if (sizeof(void *) < 8) exit(1);
834	+	if (vm_init() < 0) exit(2);
835	+	char *m1 = (char *)vm_acquire(32768, VM_MAP_DEFAULT | VM_MAP_33BIT);
836	+	if (m1 == VM_MAP_FAILED) exit(3);
837	+	char *m2 = m1 + (1L << 32);
838	+	m1[0] = 0x12; if (m2[0] != 0x12) exit(4);
839	+	m2[0] = 0x34; if (m1[0] != 0x34) exit(5);
840	+	vm_exit(); exit(0);
841	+	}
842	+	], ac_cv_have_33bit_addressing=yes, ac_cv_have_33bit_addressing=no,
843	+	dnl When cross-compiling, do not assume anything.
844	+	ac_cv_have_33bit_addressing="guessing no"
845	+	)
846	+	AC_LANG_RESTORE
847	+	]
848	+	)
849	+
850		dnl Check signal handlers need to be reinstalled
851		AC_CACHE_CHECK([whether signal handlers need to be reinstalled],
852		ac_cv_signal_need_reinstall, [
#	Line 634 | Line 908 | AC_CACHE_CHECK([whether sigaction handle
908		AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall",
909		[Define if your system requires sigactions to be reinstalled.])
910
911	<	dnl Check if extended signals are supported.
912	<	AC_CACHE_CHECK([whether your system supports extended signal handlers],
913	<	ac_cv_have_extended_signals, [
911	>	dnl Check if Mach exceptions supported.
912	>	AC_CACHE_CHECK([whether your system supports Mach exceptions],
913	>	ac_cv_have_mach_exceptions, [
914		AC_LANG_SAVE
915		AC_LANG_CPLUSPLUS
916		AC_TRY_RUN([
917	<	#define HAVE_SIGINFO_T 1
917	>	#define HAVE_MACH_EXCEPTIONS 1
918		#define CONFIGURE_TEST_SIGSEGV_RECOVERY
919		#include "vm_alloc.cpp"
920		#include "sigsegv.cpp"
921	<	], ac_cv_have_extended_signals=yes, ac_cv_have_extended_signals=no,
921	>	], [
922	>	sigsegv_recovery=mach
923	>	ac_cv_have_mach_exceptions=yes
924	>	],
925	>	ac_cv_have_mach_exceptions=no,
926		dnl When cross-compiling, do not assume anything.
927	<	ac_cv_have_extended_signals=no
927	>	ac_cv_have_mach_exceptions=no
928		)
929		AC_LANG_RESTORE
930		]
931		)
932	<	AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals",
933	<	[Define if your system support extended signals.])
932	>	AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions",
933	>	[Define if your system supports Mach exceptions.])
934	>
935	>	dnl Check if Windows exceptions are supported.
936	>	AC_CACHE_CHECK([whether your system supports Windows exceptions],
937	>	ac_cv_have_win32_exceptions, [
938	>	AC_LANG_SAVE
939	>	AC_LANG_CPLUSPLUS
940	>	AC_TRY_RUN([
941	>	#define HAVE_WIN32_EXCEPTIONS 1
942	>	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
943	>	#include "vm_alloc.cpp"
944	>	#include "sigsegv.cpp"
945	>	], [
946	>	sigsegv_recovery=win32
947	>	ac_cv_have_win32_exceptions=yes
948	>	],
949	>	ac_cv_have_win32_exceptions=no,
950	>	dnl When cross-compiling, do not assume anything.
951	>	ac_cv_have_win32_exceptions=no
952	>	)
953	>	AC_LANG_RESTORE
954	>	]
955	>	)
956	>	AC_TRANSLATE_DEFINE(HAVE_WIN32_EXCEPTIONS, "$ac_cv_have_win32_exceptions",
957	>	[Define if your system supports Windows exceptions.])
958	>
959	>	dnl Otherwise, check if extended signals are supported.
960	>	if [[ -z "$sigsegv_recovery" ]]; then
961	>	AC_CACHE_CHECK([whether your system supports extended signal handlers],
962	>	ac_cv_have_extended_signals, [
963	>	AC_LANG_SAVE
964	>	AC_LANG_CPLUSPLUS
965	>	AC_TRY_RUN([
966	>	#define HAVE_SIGINFO_T 1
967	>	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
968	>	#include "vm_alloc.cpp"
969	>	#include "sigsegv.cpp"
970	>	], [
971	>	sigsegv_recovery=siginfo
972	>	ac_cv_have_extended_signals=yes
973	>	],
974	>	ac_cv_have_extended_signals=no,
975	>	dnl When cross-compiling, do not assume anything.
976	>	ac_cv_have_extended_signals=no
977	>	)
978	>	AC_LANG_RESTORE
979	>	]
980	>	)
981	>	AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals",
982	>	[Define if your system support extended signals.])
983	>	fi
984
985		dnl Otherwise, check for subterfuges.
986	<	if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
986	>	if [[ -z "$sigsegv_recovery" ]]; then
987		AC_CACHE_CHECK([whether we then have a subterfuge for your system],
988		ac_cv_have_sigcontext_hack, [
989		AC_LANG_SAVE
#	Line 665 | Line 993 | if [[ "x$ac_cv_have_extended_signals" =
993		#define CONFIGURE_TEST_SIGSEGV_RECOVERY
994		#include "vm_alloc.cpp"
995		#include "sigsegv.cpp"
996	<	], ac_cv_have_sigcontext_hack=yes, ac_cv_have_sigcontext_hack=no,
996	>	], [
997	>	sigsegv_recovery=sigcontext
998	>	ac_cv_have_sigcontext_hack=yes
999	>	],
1000	>	ac_cv_have_sigcontext_hack=no,
1001		dnl When cross-compiling, do not assume anything.
1002		ac_cv_have_sigcontext_hack=no
1003		)
#	Line 697 | Line 1029 | AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_IN
1029
1030		dnl Can we do Video on SEGV Signals ?
1031		CAN_VOSF=no
1032	<	if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
1032	>	if [[ -n "$sigsegv_recovery" ]]; then
1033		CAN_VOSF=yes
1034		fi
1035
1036	+	dnl A dummy program that returns always true
1037	+	AC_PATH_PROG([BLESS], "true")
1038	+
1039		dnl Determine the addressing mode to use
1040		if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
1041		ADDRESSING_MODE="real"
#	Line 711 | Line 1046 | else
1046		case $am in
1047		real)
1048		dnl Requires ability to mmap() Low Memory globals
1049	<	if [[ "x$ac_cv_can_map_lm" = "xno" ]]; then
1049	>	if [[ "x$ac_cv_can_map_lm$ac_cv_pagezero_hack" = "xnono" ]]; then
1050		continue
1051		fi
1052	<	dnl Requires VOSF screen updates
1052	>	dnl Requires VOSF screen updates
1053		if [[ "x$CAN_VOSF" = "xno" ]]; then
1054		continue
1055		fi
#	Line 722 | Line 1057 | else
1057		ADDRESSING_MODE="real"
1058		WANT_VOSF=yes dnl we can use VOSF and we need it actually
1059		DEFINES="$DEFINES -DREAL_ADDRESSING"
1060	+	if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then
1061	+	BLESS=Darwin/lowmem
1062	+	LDFLAGS="$LDFLAGS -pagezero_size 0x2000"
1063	+	fi
1064		break
1065		;;
1066		direct)
#	Line 774 | Line 1113 | AC_MSG_RESULT($HAVE_GAS)
1113		dnl Check for GCC 2.7 or higher.
1114		HAVE_GCC27=no
1115		AC_MSG_CHECKING(for GCC 2.7 or higher)
1116	<	AC_EGREP_CPP(xyes,
1117	<	[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5
1118	<	xyes
1119	<	#endif
1120	<	], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
1116	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5)
1117	>	# error gcc < 2.7
1118	>	#endif
1119	>	]])],
1120	>	[AC_MSG_RESULT(yes); HAVE_GCC27=yes],
1121	>	[AC_MSG_RESULT(no)])
1122
1123		dnl Check for GCC 3.0 or higher.
1124		HAVE_GCC30=no
1125		AC_MSG_CHECKING(for GCC 3.0 or higher)
1126	<	AC_EGREP_CPP(xyes,
1127	<	[#if __GNUC__ >= 3
1128	<	xyes
1129	<	#endif
1130	<	], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
1126	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ >= 3)
1127	>	# error gcc < 3
1128	>	#endif
1129	>	]])],
1130	>	[AC_MSG_RESULT(yes); HAVE_GCC30=yes],
1131	>	[AC_MSG_RESULT(no)])
1132	>
1133	>	dnl Check for ICC.
1134	>	AC_MSG_CHECKING(for ICC)
1135	>	HAVE_ICC=no
1136	>	if $CXX -V -v 2>&1 | grep -q "Intel(R) C++ Compiler"; then
1137	>	HAVE_ICC=yes
1138	>	fi
1139	>	AC_MSG_RESULT($HAVE_ICC)
1140
1141		dnl Set "-fomit-frame-pointer" on i386 GCC 2.7 or higher.
1142		dnl Also set "-fno-exceptions" for C++ because exception handling requires
#	Line 802 | Line 1151 | dnl As of 2001/08/02, this affects the f
1151		dnl Official: probably gcc-3.1 (mainline CVS)
1152		dnl Mandrake: gcc-2.96 >= 0.59mdk, gcc-3.0.1 >= 0.1mdk
1153		dnl Red Hat : gcc-2.96 >= 89, gcc-3.0 >= 1
1154	<	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
1154	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1155		SAVED_CXXFLAGS="$CXXFLAGS"
1156		CXXFLAGS="$CXXFLAGS -fno-merge-constants"
1157		AC_CACHE_CHECK([whether GCC supports constants merging], ac_cv_gcc_constants_merging, [
#	Line 816 | Line 1165 | if [[ "x$HAVE_GCC27" = "xyes" ]]; then
1165		fi
1166		fi
1167
1168	+	dnl Store motion was introduced in 3.3-hammer branch and any gcc >= 3.4
1169	+	dnl However, there are some corner cases exposed on x86-64
1170	+	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1171	+	SAVED_CXXFLAGS="$CXXFLAGS"
1172	+	CXXFLAGS="$CXXFLAGS -fno-gcse-sm"
1173	+	AC_CACHE_CHECK([whether GCC supports store motion], ac_cv_gcc_store_motion, [
1174	+	AC_LANG_SAVE
1175	+	AC_LANG_CPLUSPLUS
1176	+	AC_TRY_COMPILE([],[],[ac_cv_gcc_store_motion=yes],[ac_cv_gcc_store_motion=no])
1177	+	AC_LANG_RESTORE
1178	+	])
1179	+	if [[ "x$ac_cv_gcc_store_motion" != "xyes" ]]; then
1180	+	CXXFLAGS="$SAVED_CXXFLAGS"
1181	+	fi
1182	+	fi
1183	+
1184	+	dnl Add -fno-strict-aliasing for slirp sources
1185	+	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1186	+	SAVED_CFLAGS="$CFLAGS"
1187	+	CFLAGS="$CFLAGS -fno-strict-aliasing"
1188	+	AC_CACHE_CHECK([whether the compiler supports -fno-strict-aliasing],
1189	+	ac_cv_gcc_no_strict_aliasing, [
1190	+	AC_TRY_COMPILE([],[],
1191	+	[ac_cv_gcc_no_strict_aliasing=yes; AC_SUBST(SLIRP_CFLAGS, "-fno-strict-aliasing")],
1192	+	[ac_cv_gcc_no_strict_aliasing=no])
1193	+	])
1194	+	CFLAGS="$SAVED_CFLAGS"
1195	+	fi
1196	+
1197	+	dnl Add -mdynamic-no-pic for MacOS X
1198	+	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1199	+	SAVED_CFLAGS="$CFLAGS"
1200	+	CFLAGS="$CFLAGS -mdynamic-no-pic"
1201	+	AC_CACHE_CHECK([whether the compiler supports -mdynamic-no-pic],
1202	+	ac_cv_gcc_mdynamic_no_pic, [
1203	+	AC_TRY_COMPILE([],[],[ac_cv_gcc_mdynamic_no_pic=yes],[ac_cv_gcc_mdynamic_no_pic=no])
1204	+	])
1205	+	if [[ "x$ac_cv_gcc_mdynamic_no_pic" = "xyes" ]]; then
1206	+	CXXFLAGS="$CXXFLAGS -mdynamic-no-pic"
1207	+	else
1208	+	CFLAGS="$SAVED_CFLAGS"
1209	+	fi
1210	+	fi
1211	+
1212		dnl Select appropriate CPU source and REGPARAM define.
1213		ASM_OPTIMIZATIONS=none
1214		CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
#	Line 840 | Line 1233 | elif [[ "x$HAVE_GCC30" = "xyes" -a "x$HA
1233		if [[ "x$HAVE_GAS" = "xyes" ]]; then
1234		ASM_OPTIMIZATIONS="x86-64"
1235		DEFINES="$DEFINES -DX86_64_ASSEMBLY -DOPTIMIZED_FLAGS"
1236	+	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 $JITSRCS"
1237	+	CAN_JIT=yes
1238	+	WANT_33BIT_ADDRESSING=yes
1239		fi
1240		elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
1241		dnl SPARC CPU
#	Line 896 | Line 1292 | else
1292		JITSRCS=""
1293		fi
1294
1295	+	dnl Use 33-bit memory addressing?
1296	+	if [[ "$ac_cv_have_33bit_addressing:$WANT_33BIT_ADDRESSING" = "yes:yes" ]]; then
1297	+	use_33bit_addressing=yes
1298	+	fi
1299	+	AC_TRANSLATE_DEFINE(USE_33BIT_ADDRESSING, "$use_33bit_addressing",
1300	+	[Define to use 33-bit memory addressing on 64-bit JIT capable systems.])
1301	+
1302		dnl Utility macro used by next two tests.
1303		dnl AC_EXAMINE_OBJECT(C source code,
1304		dnl     commands examining object file,
#	Line 1093 | Line 1496 | fi
1496
1497		dnl Remove the "-g" option if set for GCC.
1498		if [[ "x$HAVE_GCC27" = "xyes" ]]; then
1499	<	CFLAGS=`echo $CFLAGS | sed -e 's/-g//g'`
1500	<	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/-g//g'`
1499	>	CFLAGS=`echo $CFLAGS | sed -e 's/-g\b//g'`
1500	>	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/-g\b//g'`
1501		fi
1502
1503		dnl Or if we have -IPA (MIPSPro compilers)
#	Line 1110 | Line 1513 | AC_SUBST(DEFINES)
1513		AC_SUBST(SYSSRCS)
1514		AC_SUBST(CPUINCLUDES)
1515		AC_SUBST(CPUSRCS)
1516	+	AC_SUBST(BLESS)
1517	+	AC_SUBST(KEYCODES)
1518		AC_CONFIG_FILES([Makefile])
1519		AC_OUTPUT
1520
#	Line 1117 | Line 1522 | dnl Print summary.
1522		echo
1523		echo Basilisk II configuration summary:
1524		echo
1525	+	echo SDL support ............................ : $SDL_SUPPORT
1526		echo XFree86 DGA support .................... : $WANT_XF86_DGA
1527		echo XFree86 VidMode support ................ : $WANT_XF86_VIDMODE
1528		echo fbdev DGA support ...................... : $WANT_FBDEV_DGA
#	Line 1130 | Line 1536 | echo JIT debug mode ....................
1536		echo Floating-Point emulation core .......... : $FPE_CORE
1537		echo Assembly optimizations ................. : $ASM_OPTIMIZATIONS
1538		echo Addressing mode ........................ : $ADDRESSING_MODE
1539	+	echo Bad memory access recovery type ........ : $sigsegv_recovery
1540		echo
1541		echo "Configuration done. Now type \"make\" (or \"gmake\")."

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