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

Comparing SheepShaver/src/Unix/configure.ac (file contents):
Revision 1.4 by gbeauche, 2004-07-03T10:39:06Z vs.
Revision 1.32 by gbeauche, 2005-07-03T13:05:36Z

#	Line 17 | Line 17 | ulimit -c 0
17		dnl Options.
18		AC_ARG_ENABLE(jit,          [  --enable-jit            enable JIT compiler [default=yes]], [WANT_JIT=$enableval], [WANT_JIT=yes])
19		AC_ARG_ENABLE(ppc-emulator, [  --enable-ppc-emulator   use the selected PowerPC emulator [default=auto]], [WANT_EMULATED_PPC=$enableval], [WANT_EMULATED_PPC=auto])
20	+	AC_ARG_ENABLE(fbdev-dga,    [  --enable-fbdev-dga      use direct frame buffer access via /dev/fb0 [default=yes]], [WANT_FBDEV_DGA=$enableval], [WANT_FBDEV_DGA=yes])
21		AC_ARG_ENABLE(xf86-dga,     [  --enable-xf86-dga       use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes])
22	<	AC_ARG_ENABLE(xf86-vidmode, [  --enable-xf86-vidmode   use the XFree86 VidMode extension [default=no]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=no])
22	>	AC_ARG_ENABLE(xf86-vidmode, [  --enable-xf86-vidmode   use the XFree86 VidMode extension [default=yes]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=yes])
23		AC_ARG_ENABLE(vosf,         [  --enable-vosf           enable video on SEGV signals [default=yes]], [WANT_VOSF=$enableval], [WANT_VOSF=yes])
24		AC_ARG_WITH(esd,            [  --with-esd              support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes])
25	<	AC_ARG_WITH(gtk,            [  --with-gtk              use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes])
25	>	AC_ARG_WITH(gtk,            [  --with-gtk              use GTK user interface [default=yes]],
26	>	[case "$withval" in
27	>	gtk1)      WANT_GTK="gtk";;
28	>	gtk|gtk2)  WANT_GTK="$withval";;
29	>	yes)       WANT_GTK="gtk2 gtk";;
30	>	*)         WANT_GTK="no";;
31	>	esac],
32	>	[WANT_GTK="gtk2 gtk"])
33		AC_ARG_WITH(mon,            [  --with-mon              use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes])
34		AC_ARG_WITH(dgcc,           [  --with-dgcc=COMPILER    use C++ COMPILER to compile synthetic opcodes], [DYNGEN_CC=$withval])
35
36	+	dnl Addressing mode
37	+	AC_ARG_ENABLE(addressing,
38	+	[  --enable-addressing=AM  set the addressing mode to use [default=real]],
39	+	[case "$enableval" in
40	+	real)        WANT_ADDRESSING_MODE="real";;
41	+	direct)      WANT_ADDRESSING_MODE="direct";;
42	+	direct,0x*)  WANT_ADDRESSING_MODE="direct"; NATMEM_OFFSET=`echo "$enableval" | sed -n '/direct,\(0[[xX]][[0-9A-Fa-f]]*\([[UuLl]]\{1,2\}\)\?\)$/s//\1/p'`;;
43	+	esac],
44	+	[WANT_ADDRESSING_MODE="real"]
45	+	)
46	+
47		dnl SDL options.
48		AC_ARG_ENABLE(sdl-static,   [  --enable-sdl-static     use SDL static libraries for linking [default=no]], [WANT_SDL_STATIC=$enableval], [WANT_SDL_STATIC=no])
49		AC_ARG_ENABLE(sdl-video,    [  --enable-sdl-video      use SDL for video graphics [default=no]], [WANT_SDL_VIDEO=$enableval], [WANT_SDL_VIDEO=no])
50	+	AC_ARG_ENABLE(sdl-audio,    [  --enable-sdl-audio      use SDL for audio [default=no]], [WANT_SDL_AUDIO=$enableval], [WANT_SDL_AUDIO=no])
51
52		dnl Checks for programs.
53		AC_PROG_CC
#	Line 36 | Line 56 | AC_PROG_CXX
56		AC_PROG_MAKE_SET
57		AC_PROG_INSTALL
58		AC_PROG_EGREP
59	+	AC_PATH_PROGS(FILE, [file false])
60	+	AC_PATH_PROG(PERL, [perl])
61
62		dnl Check for PowerPC target CPU.
63		HAVE_PPC=no
#	Line 92 | Line 114 | if [[ "x$WANT_MON" = "xyes" ]]; then
114		WANT_MON=no
115		fi
116		fi
117	+	AC_SUBST(MONSRCS)
118
119		dnl Checks for libraries.
120		AC_CHECK_LIB(posix4, sem_init)
121
122		dnl Do we need SDL?
123		WANT_SDL=no
101	–	SDL_SUPPORT="none"
124		if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
125		WANT_SDL=yes
126		WANT_XF86_DGA=no
127		WANT_XF86_VIDMODE=no
128		WANT_FBDEV_DGA=no
129	<	SDL_SUPPORT="video"
129	>	SDL_SUPPORT="$SDL_SUPPORT video"
130	>	fi
131	>	if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
132	>	WANT_SDL=yes
133	>	SDL_SUPPORT="$SDL_SUPPORT audio"
134		fi
135		if [[ "x$WANT_SDL" = "xyes" ]]; then
136		AC_PATH_PROG(sdl_config, "sdl-config")
137		if [[ -n "$sdl_config" ]]; then
138	<	sdl_cflags=`$sdl_config --cflags`
139	<	if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
140	<	sdl_libs=`$sdl_config --static-libs`
141	<	else
142	<	sdl_libs=`$sdl_config --libs`
143	<	fi
138	>	case $target_os in
139	>	# Special treatment for Cygwin so that we can still use the POSIX layer
140	>	*cygwin*)
141	>	sdl_cflags="-I`$sdl_config --prefix`/include/SDL"
142	>	sdl_libs="-L`$sdl_config --exec-prefix`/lib -lSDL"
143	>	;;
144	>	*)
145	>	sdl_cflags=`$sdl_config --cflags`
146	>	if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
147	>	sdl_libs=`$sdl_config --static-libs`
148	>	else
149	>	sdl_libs=`$sdl_config --libs`
150	>	fi
151	>	;;
152	>	esac
153		CFLAGS="$CFLAGS $sdl_cflags"
154		CXXFLAGS="$CXXFLAGS $sdl_cflags"
155		LIBS="$LIBS $sdl_libs"
156		else
157		WANT_SDL=no
158	+	WANT_SDL_VIDEO=no
159	+	WANT_SDL_AUDIO=no
160		fi
161	+	SDL_SUPPORT=`echo "$SDL_SUPPORT" | sed -e "s/^ //"`
162	+	else
163	+	SDL_SUPPORT="none"
164		fi
165
166		dnl We need X11, if not using SDL.
167	<	if [[ "x$WANT_SDL" = "xno" ]]; then
167	>	if [[ "x$WANT_SDL_VIDEO" != "xyes" ]]; then
168		AC_PATH_XTRA
169		if [[ "x$no_x" = "xyes" ]]; then
170		AC_MSG_ERROR([You need X11 to run SheepShaver.])
#	Line 137 | Line 177 | fi
177		dnl We need pthreads on non-PowerPC systems. Try libpthread first, then libc_r (FreeBSD), then PTL.
178		HAVE_PTHREADS=yes
179		case $EMULATED_PPC:$target_os in
180	<	no:linux*)
180	>	no:linux*|no:netbsd*)
181		dnl We do have our own pthread_cancel() implementation
182		AC_DEFINE(HAVE_PTHREAD_CANCEL, 1, [Define if you have the pthread_cancel function.])
183		;;
#	Line 145 | Line 185 | no:linux*)
185		AC_CHECK_LIB(pthread, pthread_create, , [
186		AC_CHECK_LIB(c_r, pthread_create, , [
187		AC_CHECK_LIB(PTL, pthread_create, , [
188	<	AC_MSG_ERROR([You need pthreads to run Basilisk II.])
188	>	dnl XXX remove when no pthreads case is merged
189	>	AC_MSG_ERROR([You need pthreads to run SheepShaver.])
190	>	HAVE_PTHREADS=no
191		])
192		])
193		])
194		AC_CHECK_FUNCS(pthread_cancel)
195	+	AC_CHECK_FUNCS(pthread_cond_init)
196		AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
197		AC_CHECK_FUNCS(pthread_mutexattr_settype)
198		AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
156	–	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
157	–	AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
158	–	fi
199		dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
200		SEMSRC=
201		AC_CHECK_FUNCS(sem_init, , [
#	Line 165 | Line 205 | no:linux*)
205		])
206		;;
207		esac
208	+	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
209	+	AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
210	+	fi
211	+
212	+	dnl We use FBDev DGA if possible.
213	+	if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
214	+	AC_CHECK_HEADER(linux/fb.h, [
215	+	AC_DEFINE(ENABLE_FBDEV_DGA, 1, [Define if using Linux fbdev extension.])
216	+	], [
217	+	AC_MSG_WARN([Could not find Linux FBDev extension, ignoring --enable-fbdev-dga.])
218	+	WANT_FBDEV_DGA=no
219	+	])
220	+	fi
221
222		dnl We use XFree86 DGA if possible.
223		if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
#	Line 190 | Line 243 | fi
243
244		dnl We use GTK+ if possible.
245		UISRCS=../dummy/prefs_editor_dummy.cpp
246	<	if [[ "x$WANT_GTK" = "xyes" ]]; then
246	>	case "x$WANT_GTK" in
247	>	xgtk2*)
248	>	AM_PATH_GTK_2_0(1.3.15, [
249	>	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
250	>	CFLAGS="$CFLAGS $GTK_CFLAGS"
251	>	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
252	>	LIBS="$LIBS $GTK_LIBS"
253	>	UISRCS=prefs_editor_gtk.cpp
254	>	WANT_GTK=gtk2
255	>	], [
256	>	case "x${WANT_GTK}x" in
257	>	*gtkx)
258	>	AC_MSG_WARN([Could not find GTK+ 2.0, trying with GTK+ 1.2.])
259	>	WANT_GTK=gtk
260	>	;;
261	>	*)
262	>	AC_MSG_WARN([Could not find GTK+, disabling user interface.])
263	>	WANT_GTK=no
264	>	;;
265	>	esac
266	>	])
267	>	;;
268	>	esac
269	>	if [[ "x$WANT_GTK" = "xgtk" ]]; then
270		AM_PATH_GTK(1.2.0, [
271		AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
272		CFLAGS="$CFLAGS $GTK_CFLAGS"
#	Line 222 | Line 298 | AC_SYS_LARGEFILE
298		dnl Checks for header files.
299		AC_HEADER_STDC
300		AC_HEADER_SYS_WAIT
301	+	AC_CHECK_HEADERS(malloc.h stdint.h)
302		AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h)
226	–	AC_CHECK_HEADERS(sys/time.h sys/times.h sys/socket.h)
303		AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h dirent.h)
304	<	AC_CHECK_HEADERS(linux/if.h, [], [], [
305	<	#if HAVE_SYS_SOCKET_H
306	<	# include <sys/socket.h>
304	>	AC_CHECK_HEADERS(sys/socket.h sys/ioctl.h sys/filio.h sys/bitypes.h sys/wait.h)
305	>	AC_CHECK_HEADERS(sys/time.h sys/poll.h sys/select.h arpa/inet.h)
306	>	AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h, [], [], [
307	>	#ifdef HAVE_SYS_TYPES_H
308	>	#include <sys/types.h>
309	>	#endif
310	>	#ifdef HAVE_SYS_SOCKET_H
311	>	#include <sys/socket.h>
312		#endif
313		])
314	<	AC_CHECK_HEADERS(linux/if_tun.h net/if.h net/if_tun.h)
314	>	AC_CHECK_HEADERS(AvailabilityMacros.h)
315	>	AC_CHECK_HEADERS(IOKit/storage/IOBlockStorageDevice.h)
316	>	AC_CHECK_HEADERS(fenv.h)
317
318		dnl Checks for typedefs, structures, and compiler characteristics.
319		AC_C_BIGENDIAN
#	Line 266 | Line 349 | if [[ "x$ac_cv_signal_sa_restorer" = "xy
349		fi
350
351		dnl Checks for library functions.
352	<	AC_CHECK_FUNCS(strdup strlcpy cfmakeraw)
352	>	AC_CHECK_FUNCS(strdup strerror strlcpy cfmakeraw)
353		AC_CHECK_FUNCS(nanosleep)
354		AC_CHECK_FUNCS(sigaction signal)
355		AC_CHECK_FUNCS(mmap mprotect munmap)
356		AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
357	<	AC_CHECK_FUNCS(posix_memalign memalign valloc)
357	>	AC_CHECK_FUNCS(exp2f log2f exp2 log2)
358	>	AC_CHECK_FUNCS(floorf roundf ceilf truncf floor round ceil trunc)
359	>	AC_CHECK_FUNCS(poll inet_aton)
360
361		dnl Darwin seems to define mach_task_self() instead of task_self().
362		AC_CHECK_FUNCS(mach_task_self task_self)
#	Line 283 | Line 368 | no:linux*)
368		;;
369		*:*)
370		AC_SEARCH_LIBS(clock_gettime, [rt posix4])
371	<	AC_CHECK_FUNCS(clock_gettime)
371	>	AC_CHECK_FUNCS(clock_gettime clock_nanosleep)
372		;;
373		esac
374
375	+	dnl Check for headers and functions related to pty support (sshpty.c)
376	+	dnl From openssh-3.2.2p1 configure.ac
377	+	AC_CHECK_HEADERS(strings.h login.h sys/bsdtty.h sys/stat.h util.h pty.h)
378	+	AC_CHECK_FUNCS(_getpty vhangup strlcpy)
379	+
380	+	case "$host" in
381	+	*-*-hpux10.26)
382	+	disable_ptmx_check=yes
383	+	;;
384	+	*-*-linux*)
385	+	no_dev_ptmx=1
386	+	;;
387	+	mips-sony-bsd|mips-sony-newsos4)
388	+	AC_DEFINE(HAVE_NEWS4, 1, [Define if you are on NEWS-OS (additions from openssh-3.2.2p1, for sshpty.c).])
389	+	;;
390	+	*-*-sco3.2v4*)
391	+	no_dev_ptmx=1
392	+	;;
393	+	*-*-sco3.2v5*)
394	+	no_dev_ptmx=1
395	+	;;
396	+	*-*-cygwin*)
397	+	no_dev_ptmx=1
398	+	;;
399	+	esac
400	+
401	+	if test -z "$no_dev_ptmx" ; then
402	+	if test "x$disable_ptmx_check" != "xyes" ; then
403	+	AC_CHECK_FILE([/dev/ptmx],
404	+	[
405	+	AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX, 1, [Define if you have /dev/ptmx.])
406	+	have_dev_ptmx=1
407	+	]
408	+	)
409	+	fi
410	+	fi
411	+	AC_CHECK_FILE([/dev/ptc],
412	+	[
413	+	AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC, 1, [Define if you have /dev/ptc.])
414	+	have_dev_ptc=1
415	+	]
416	+	)
417	+	dnl (end of code from openssh-3.2.2p1 configure.ac)
418	+
419		dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
420		AC_DEFUN(AC_CHECK_FRAMEWORK, [
421		AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
#	Line 314 | Line 443 | SERIALSRC=serial_unix.cpp
443		ETHERSRC=../dummy/ether_dummy.cpp
444		SCSISRC=../dummy/scsi_dummy.cpp
445		AUDIOSRC=../dummy/audio_dummy.cpp
446	+	EXTFSSRC=extfs_unix.cpp
447		EXTRASYSSRCS=
448		case "$target_os" in
449		linux*)
450	<	ETHERSRC=Linux/ether_linux.cpp
450	>	ETHERSRC=ether_unix.cpp
451		AUDIOSRC=audio_oss_esd.cpp
452		SCSISRC=Linux/scsi_linux.cpp
453		if [[ "x$EMULATED_PPC" = "xno" ]]; then
454	<	EXTRASYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c Linux/asm_linux.S"
454	>	EXTRASYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c ppc_asm.S"
455	>	fi
456	>	;;
457	>	freebsd*)
458	>	ETHERSRC=ether_unix.cpp
459	>	;;
460	>	netbsd*)
461	>	ETHERSRC=ether_unix.cpp
462	>	if [[ "x$EMULATED_PPC" = "xno" ]]; then
463	>	EXTRASYSSRCS="NetBSD/paranoia.cpp NetBSD/sheepthreads.c ppc_asm.S"
464		fi
465		;;
466		darwin*)
467	+	ETHERSRC=ether_unix.cpp
468		if [[ "x$EMULATED_PPC" = "xno" ]]; then
469	<	EXTRASYSSRCS="Darwin/paranoia.cpp Linux/asm_linux.S"
469	>	EXTRASYSSRCS="Darwin/paranoia.cpp ppc_asm.S"
470		fi
471		if [[ "x$ac_cv_framework_IOKit" = "xyes" ]]; then
472		EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/sys_darwin.cpp"
473		fi
474	+	if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
475	+	EXTFSSRC=../MacOSX/extfs_macosx.mm
476	+	fi
477	+	;;
478	+	cygwin*)
479	+	SERIALSRC="../dummy/serial_dummy.cpp"
480		;;
481		esac
482
483	+	dnl Is the slirp library supported?
484	+	if [[ "x$ETHERSRC" = "xether_unix.cpp" ]]; then
485	+	AC_DEFINE(HAVE_SLIRP, 1, [Define if slirp library is supported])
486	+	SLIRP_SRCS="\
487	+	../slirp/bootp.c     ../slirp/ip_output.c  ../slirp/tcp_input.c  \
488	+	../slirp/cksum.c     ../slirp/mbuf.c       ../slirp/tcp_output.c \
489	+	../slirp/debug.c     ../slirp/misc.c       ../slirp/tcp_subr.c   \
490	+	../slirp/if.c        ../slirp/sbuf.c       ../slirp/tcp_timer.c  \
491	+	../slirp/ip_icmp.c   ../slirp/slirp.c      ../slirp/tftp.c       \
492	+	../slirp/ip_input.c  ../slirp/socket.c     ../slirp/udp.c"
493	+	fi
494	+	AC_SUBST(SLIRP_SRCS)
495	+
496		dnl SDL overrides
497		if [[ "x$WANT_SDL" = "xyes" ]]; then
498		AC_DEFINE(USE_SDL, 1, [Define to enble SDL support.])
499		fi
500		if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
342	–	VIDEOSRCS="../SDL/video_sdl.cpp"
501		AC_DEFINE(USE_SDL_VIDEO, 1, [Define to enable SDL video graphics support.])
502	+	VIDEOSRCS="../SDL/video_sdl.cpp"
503		KEYCODES="../SDL/keycodes"
504		if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
505		EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx.cpp"
506		else
507	<	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
507	>	case "$target_os" in
508	>	cygwin*)
509	>	EXTRASYSSRCS="$EXTRASYSSRCS ../Windows/clip_windows.cpp"
510	>	;;
511	>	*)
512	>	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
513	>	;;
514	>	esac
515		fi
516		else
517		VIDEOSRCS="video_x.cpp"
518		KEYCODES="keycodes"
519		EXTRASYSSRCS="$EXTRASYSSRCS clip_unix.cpp"
520		fi
521	+	if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
522	+	AC_DEFINE(USE_SDL_AUDIO, 1, [Define to enable SDL audio support])
523	+	AUDIOSRC="../SDL/audio_sdl.cpp"
524	+	fi
525
526	<	SYSSRCS="$VIDEOSRCS $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
526	>	SYSSRCS="$VIDEOSRCS $EXTFSSRC $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $EXTRASYSSRCS"
527
528		dnl Define a macro that translates a yesno-variable into a C macro definition
529		dnl to be put into the config.h file
#	Line 657 | Line 827 | fi
827		AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions",
828		[Define if your system supports Mach exceptions.])
829
830	+	dnl Check if Windows exceptions are supported.
831	+	AC_CACHE_CHECK([whether your system supports Windows exceptions],
832	+	ac_cv_have_win32_exceptions, [
833	+	AC_LANG_SAVE
834	+	AC_LANG_CPLUSPLUS
835	+	AC_TRY_RUN([
836	+	#define HAVE_WIN32_EXCEPTIONS 1
837	+	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
838	+	#include "vm_alloc.cpp"
839	+	#include "sigsegv.cpp"
840	+	], [
841	+	sigsegv_recovery=win32
842	+	ac_cv_have_win32_exceptions=yes
843	+	],
844	+	ac_cv_have_win32_exceptions=no,
845	+	dnl When cross-compiling, do not assume anything.
846	+	ac_cv_have_win32_exceptions=no
847	+	)
848	+	AC_LANG_RESTORE
849	+	]
850	+	)
851	+	AC_TRANSLATE_DEFINE(HAVE_WIN32_EXCEPTIONS, "$ac_cv_have_win32_exceptions",
852	+	[Define if your system supports Windows exceptions.])
853	+
854		dnl Otherwise, check if extended signals are supported.
855		if [[ -z "$sigsegv_recovery" ]]; then
856		AC_CACHE_CHECK([whether your system supports extended signal handlers],
#	Line 743 | Line 937 | else
937		WANT_VOSF=no
938		fi
939
940	+	dnl Check addressing mode to use
941	+	AC_MSG_CHECKING([for addressing mode to use])
942	+	case "$os_target" in
943	+	cygwin*)
944	+	WANT_ADDRESSING_MODE="direct,cygwin-hack"
945	+	NATMEM_OFFSET=
946	+	;;
947	+	esac
948	+	if [[ "$EMULATED_PPC" != "yes" ]]; then
949	+	if [[ "$WANT_ADDRESSING_MODE" != "real" ]]; then
950	+	AC_MSG_WARN([Running in native PowerPC mode, force use of Real Addressing.])
951	+	WANT_ADDRESSING_MODE="real"
952	+	fi
953	+	fi
954	+	if [[ "$WANT_ADDRESSING_MODE" = "direct" ]]; then
955	+	if [[ -n "$NATMEM_OFFSET" ]]; then
956	+	NATMEM_OFFSET_DEF="-DNATMEM_OFFSET=$NATMEM_OFFSET"
957	+	fi
958	+	AC_LANG_SAVE
959	+	AC_LANG_CPLUSPLUS
960	+	cat confdefs.h > conftest.$ac_ext
961	+	cat >> conftest.$ac_ext << EOF
962	+	#include <stdio.h>
963	+	#include <string.h>
964	+	#include "vm_alloc.cpp"
965	+
966	+	int main(void)
967	+	{
968	+	if (vm_init() < 0)
969	+	return 1;
970	+
971	+	static const struct {
972	+	unsigned long base;
973	+	unsigned int size;
974	+	} ranges[[]] = {
975	+	{ 0x00000000, 0x0003000 },
976	+	{ 0x10000000, 0x2000000 },
977	+	{ 0x40800000, 0x0400000 },
978	+	{ 0x68070000, 0x0010000 },
979	+	{ 0x69000000, 0x0080000 },
980	+	{ 0x68ffe000, 0x0002000 },
981	+	{ 0x5fffe000, 0x0002000 },
982	+	{ 0x60000000, 0x0040000 },
983	+	};
984	+	const int n_ranges = sizeof(ranges)/ sizeof(ranges[[0]]);
985	+
986	+	#ifdef NATMEM_OFFSET
987	+	unsigned long ofs = NATMEM_OFFSET;
988	+	#else
989	+	for (unsigned long ofs = 0x10000000; ofs <= 0x90000000; ofs += 0x10000000)
990	+	#endif
991	+	for (int i = 0; i < n_ranges; i++) {
992	+	char *m = (char *)(ranges[[i]].base + ofs);
993	+	if (vm_acquire_fixed(m, ranges[[i]].size) != 0)
994	+	break;
995	+	memset(m, 0, ranges[[i]].size);
996	+	vm_release(m, ranges[[i]].size);
997	+	if (i == n_ranges - 1) {
998	+	if (sizeof(void *) == 8 && ofs > 0xffffffff)
999	+	printf("0x%lxul\n", ofs);
1000	+	else
1001	+	printf("0x%08x\n", ofs);
1002	+	return 0;
1003	+	}
1004	+	}
1005	+
1006	+	vm_exit();
1007	+	return 1;
1008	+	}
1009	+	EOF
1010	+	doit='$CXX conftest.$ac_ext -o conftest.$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS $LIBS $NATMEM_OFFSET_DEF >& AS_MESSAGE_LOG_FD'
1011	+	if AC_TRY_EVAL(doit); then
1012	+	NATMEM_OFFSET=`./conftest.$ac_exeext`
1013	+	else
1014	+	NATMEM_OFFSET=
1015	+	fi
1016	+	rm -f conftest*
1017	+	AC_LANG_RESTORE
1018	+
1019	+	if [[ -z "$NATMEM_OFFSET" ]]; then
1020	+	AC_MSG_ERROR([could not determine a sensible NATMEM_OFFSET value])
1021	+	else
1022	+	WANT_ADDRESSING_MODE="direct,$NATMEM_OFFSET"
1023	+	AC_DEFINE_UNQUOTED(NATMEM_OFFSET, $NATMEM_OFFSET,
1024	+	[Define constant offset for Mac address translation])
1025	+	fi
1026	+	fi
1027	+	AC_MSG_RESULT($WANT_ADDRESSING_MODE)
1028	+
1029	+	dnl Utility macro used by next two tests.
1030	+	dnl AC_EXAMINE_OBJECT(C source code,
1031	+	dnl     commands examining object file,
1032	+	dnl     [commands to run if compile failed]):
1033	+	dnl
1034	+	dnl Compile the source code to an object file; then convert it into a
1035	+	dnl printable representation.  All unprintable characters and
1036	+	dnl asterisks (*) are replaced by dots (.).  All white space is
1037	+	dnl deleted.  Newlines (ASCII 0x10) in the input are preserved in the
1038	+	dnl output, but runs of newlines are compressed to a single newline.
1039	+	dnl Finally, line breaks are forcibly inserted so that no line is
1040	+	dnl longer than 80 columns and the file ends with a newline.  The
1041	+	dnl result of all this processing is in the file conftest.dmp, which
1042	+	dnl may be examined by the commands in the second argument.
1043	+	dnl
1044	+	AC_DEFUN([gcc_AC_EXAMINE_OBJECT],
1045	+	[AC_LANG_SAVE
1046	+	AC_LANG_C
1047	+	dnl Next bit cribbed from AC_TRY_COMPILE.
1048	+	cat > conftest.$ac_ext <<EOF
1049	+	[#line __oline__ "configure"
1050	+	#include "confdefs.h"
1051	+	$1
1052	+	]EOF
1053	+	if AC_TRY_EVAL(ac_compile); then
1054	+	od -c conftest.o |
1055	+	sed ['s/^[0-7]*[    ]*/ /
1056	+	s/\*/./g
1057	+	s/ \\n/*/g
1058	+	s/ [0-9][0-9][0-9]/./g
1059	+	s/  \\[^ ]/./g'] |
1060	+	tr -d '
1061	+	' | tr -s '*' '
1062	+	' | fold | sed '$a\
1063	+	' > conftest.dmp
1064	+	$2
1065	+	ifelse($3, , , else
1066	+	$3
1067	+	)dnl
1068	+	fi
1069	+	rm -rf conftest*
1070	+	AC_LANG_RESTORE])
1071	+
1072	+	dnl Floating point format probe.
1073	+	dnl The basic concept is the same as the above: grep the object
1074	+	dnl file for an interesting string.  We have to watch out for
1075	+	dnl rounding changing the values in the object, however; this is
1076	+	dnl handled by ignoring the least significant byte of the float.
1077	+	dnl
1078	+	dnl Does not know about VAX G-float or C4x idiosyncratic format.
1079	+	dnl It does know about PDP-10 idiosyncratic format, but this is
1080	+	dnl not presently supported by GCC.  S/390 "binary floating point"
1081	+	dnl is in fact IEEE (but maybe we should have that in EBCDIC as well
1082	+	dnl as ASCII?)
1083	+	dnl
1084	+	AC_DEFUN([gcc_AC_C_FLOAT_FORMAT],
1085	+	[AC_CACHE_CHECK(floating point format, ac_cv_c_float_format,
1086	+	[gcc_AC_EXAMINE_OBJECT(
1087	+	[/* This will not work unless sizeof(double) == 8.  */
1088	+	extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1];
1089	+
1090	+	/* This structure must have no internal padding.  */
1091	+	struct possibility {
1092	+	char prefix[8];
1093	+	double candidate;
1094	+	char postfix[8];
1095	+	};
1096	+
1097	+	#define C(cand) { "\nformat:", cand, ":tamrof\n" }
1098	+	struct possibility table [] =
1099	+	{
1100	+	C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */
1101	+	C( 3.53802595280598432000e+18), /* D__float - VAX */
1102	+	C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */
1103	+	C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */
1104	+	C(-5.22995989424860458374e+10)  /* IBMHEXFP - s/390 format, EBCDIC */
1105	+	};],
1106	+	[if   grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1107	+	ac_cv_c_float_format='IEEE (big-endian)'
1108	+	elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then
1109	+	ac_cv_c_float_format='IEEE (big-endian)'
1110	+	elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then
1111	+	ac_cv_c_float_format='IEEE (little-endian)'
1112	+	elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then
1113	+	ac_cv_c_float_format='IEEE (little-endian)'
1114	+	elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then
1115	+	ac_cv_c_float_format='VAX D-float'
1116	+	elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then
1117	+	ac_cv_c_float_format='PDP-10'
1118	+	elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1119	+	ac_cv_c_float_format='IBM 370 hex'
1120	+	else
1121	+	AC_MSG_ERROR(Unknown floating point format)
1122	+	fi],
1123	+	[AC_MSG_ERROR(compile failed)])
1124	+	])
1125	+	# IEEE is the default format.  If the float endianness isn't the same
1126	+	# as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN
1127	+	# (which is a tristate: yes, no, default).  This is only an issue with
1128	+	# IEEE; the other formats are only supported by a few machines each,
1129	+	# all with the same endianness.
1130	+	format=IEEE_FLOAT_FORMAT
1131	+	fbigend=
1132	+	case $ac_cv_c_float_format in
1133	+	'IEEE (big-endian)' )
1134	+	if test $ac_cv_c_bigendian = no; then
1135	+	fbigend=1
1136	+	fi
1137	+	;;
1138	+	'IEEE (little-endian)' )
1139	+	if test $ac_cv_c_bigendian = yes; then
1140	+	fbigend=0
1141	+	fi
1142	+	;;
1143	+	'VAX D-float' )
1144	+	format=VAX_FLOAT_FORMAT
1145	+	;;
1146	+	'PDP-10' )
1147	+	format=PDP10_FLOAT_FORMAT
1148	+	;;
1149	+	'IBM 370 hex' )
1150	+	format=IBM_FLOAT_FORMAT
1151	+	;;
1152	+	esac
1153	+	AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format,
1154	+	[Define to the floating point format of the host machine.])
1155	+	if test -n "$fbigend"; then
1156	+	AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend,
1157	+	[Define to 1 if the host machine stores floating point numbers in
1158	+	memory with the word containing the sign bit at the lowest address,
1159	+	or to 0 if it does it the other way around.
1160	+
1161	+	This macro should not be defined if the ordering is the same as for
1162	+	multi-word integers.])
1163	+	fi
1164	+	])
1165	+
1166	+	dnl Check for host float format
1167	+	gcc_AC_C_FLOAT_FORMAT
1168	+
1169		dnl Platform specific binary postprocessor
1170		AC_PATH_PROG(BLESS, "true")
1171		if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then
#	Line 776 | Line 1199 | if $CXX -V -v 2>&1 | grep -q "Intel(R) C
1199		fi
1200		AC_MSG_RESULT($HAVE_ICC)
1201
1202	<	# Test if the compiler can generate ELF objects
1203	<	AC_CACHE_CHECK([whether the compiler can generate ELF objects],
1204	<	ac_cv_elf_objects, [
1202	>	dnl Determine the generated object format
1203	>	AC_CACHE_CHECK([the format of compiler generated objects],
1204	>	ac_cv_object_format, [
1205		echo 'int i;' > conftest.$ac_ext
1206	<	ac_cv_elf_objects=no
1206	>	ac_cv_object_format=no
1207		if AC_TRY_EVAL(ac_compile); then
1208		case `/usr/bin/file conftest.$ac_objext` in
1209		*"ELF"*)
1210	<	ac_cv_elf_objects=yes
1210	>	ac_cv_object_format=elf
1211	>	;;
1212	>	*"Mach-O"*)
1213	>	ac_cv_object_format=mach
1214	>	;;
1215	>	*)
1216	>	ac_cv_object_format=unknown
1217		;;
1218		esac
1219		fi
1220		rm -rf conftest*
1221		])
1222	<	ELF_OBJECTS=$ac_cv_elf_objects
1222	>
1223	>	dnl Add -fno-strict-aliasing for slirp sources
1224	>	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1225	>	SAVED_CFLAGS="$CFLAGS"
1226	>	CFLAGS="$CFLAGS -fno-strict-aliasing"
1227	>	AC_CACHE_CHECK([whether the compiler supports -fno-strict-aliasing],
1228	>	ac_cv_gcc_no_strict_aliasing, [
1229	>	AC_TRY_COMPILE([],[],
1230	>	[ac_cv_gcc_no_strict_aliasing=yes; AC_SUBST(SLIRP_CFLAGS, "-fno-strict-aliasing")],
1231	>	[ac_cv_gcc_no_strict_aliasing=no])
1232	>	])
1233	>	CFLAGS="$SAVED_CFLAGS"
1234	>	fi
1235	>
1236	>	dnl Add -mdynamic-no-pic for MacOS X
1237	>	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1238	>	SAVED_CFLAGS="$CFLAGS"
1239	>	CFLAGS="$CFLAGS -mdynamic-no-pic"
1240	>	AC_CACHE_CHECK([whether the compiler supports -mdynamic-no-pic],
1241	>	ac_cv_gcc_mdynamic_no_pic, [
1242	>	AC_TRY_COMPILE([],[],[ac_cv_gcc_mdynamic_no_pic=yes],[ac_cv_gcc_mdynamic_no_pic=no])
1243	>	])
1244	>	if [[ "x$ac_cv_gcc_mdynamic_no_pic" = "xyes" ]]; then
1245	>	CXXFLAGS="$CXXFLAGS -mdynamic-no-pic"
1246	>	else
1247	>	CFLAGS="$SAVED_CFLAGS"
1248	>	fi
1249	>	fi
1250
1251		dnl CPU emulator sources
1252		if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1253		CPUSRCS="\
1254	+	../kpx_cpu/src/mathlib/ieeefp.cpp \
1255	+	../kpx_cpu/src/mathlib/mathlib.cpp \
1256		../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \
1257		../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \
1258		../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \
#	Line 805 | Line 1263 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1263		if [[ "x$WANT_JIT" = "xyes" ]]; then
1264		AC_CACHE_CHECK([whether dyngen can be used],
1265		ac_cv_use_dyngen, [
1266	<	case $host_cpu:$ELF_OBJECTS in
1267	<	powerpc:yes)
1266	>	case $host_cpu:$ac_cv_object_format in
1267	>	powerpc:elf)
1268		ac_cv_use_dyngen=yes
1269		;;
1270	<	x86_64:yes)
1270	>	x86_64:elf)
1271		ac_cv_use_dyngen=yes
1272		;;
1273	<	i?86:yes)
1273	>	i?86:elf)
1274	>	ac_cv_use_dyngen=yes
1275	>	;;
1276	>	powerpc:mach)
1277		ac_cv_use_dyngen=yes
1278		;;
1279		*:*)
#	Line 832 | Line 1293 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1293		done
1294		fi
1295		fi
1296	<	if [[ -z "$DYNGEN_CC" ]] || ! { echo '#include <limits>' | $DYNGEN_CC -xc++ -c -o /dev/null - >& /dev/null; }; then
1296	>	if [[ -z "$DYNGEN_CC" ]]; then
1297		ac_cv_use_dyngen=no
1298		fi
1299		])
#	Line 840 | Line 1301 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1301		case $host_cpu in
1302		i?86)
1303		DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2"
843	–	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
844	–	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
845	–	else
846	–	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
847	–	fi
848	–	saved_CPPFLAGS=$CPPFLAGS
849	–	CPPFLAGS="$CPPFLAGS -mmmx"
850	–	AC_CHECK_HEADERS(mmintrin.h,  [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -mmmx"])
851	–	CPPFLAGS="$CPPFLAGS -msse"
852	–	AC_CHECK_HEADERS(xmmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse"])
853	–	CPPFLAGS="$CPPFLAGS -msse2"
854	–	AC_CHECK_HEADERS(emmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse2"])
855	–	CPPFLAGS=$saved_CPPFLAGS
1304		;;
1305	<	x86_64)
1306	<	AC_CHECK_HEADERS(mmintrin.h xmmintrin.h emmintrin.h)
1305	>	powerpc)
1306	>	if [[ "x$ac_cv_object_format" = "xmach" ]]; then
1307	>	DYNGEN_OP_FLAGS="-mdynamic-no-pic"
1308	>	fi
1309		;;
1310		esac
1311	<	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000"
1311	>	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1312	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
1313	>	else
1314	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
1315	>	fi
1316	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000 -fno-exceptions -g0"
1317		if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1318		DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls"
1319		fi
#	Line 884 | Line 1339 | if [[ "x$ac_cv_use_dyngen" = "xyes" ]];
1339		AC_CACHE_CHECK([whether static data regions are executable],
1340		ac_cv_have_static_data_exec, [
1341		AC_TRY_RUN([int main(void) {
1342	<	#if defined(__powerpc__)
1342	>	#if defined(__powerpc__) || defined(__ppc__)
1343		static unsigned int p[8] = {0x4e800020,};
1344		asm volatile("dcbst 0,%0" : : "r" (p) : "memory");
1345		asm volatile("sync" : : : "memory");
#	Line 900 | Line 1355 | if [[ "x$ac_cv_use_dyngen" = "xyes" ]];
1355		ac_cv_have_static_data_exec=no
1356		)
1357		])
1358	+	else
1359	+	ac_cv_use_dyngen=no
1360		fi
1361		AC_TRANSLATE_DEFINE(HAVE_STATIC_DATA_EXEC, "$ac_cv_have_static_data_exec",
1362		[Define if your system marks static data pages as executable.])
#	Line 909 | Line 1366 | if [[ "x$WANT_JIT" = "xyes" ]]; then
1366		fi
1367
1368		dnl Generate Makefile.
1369	+	AC_SUBST(PERL)
1370	+	AC_SUBST(USE_DYNGEN, [$ac_cv_use_dyngen])
1371		AC_SUBST(DYNGENSRCS)
1372		AC_SUBST(DYNGEN_CC)
1373		AC_SUBST(DYNGEN_OP_FLAGS)
#	Line 916 | Line 1375 | AC_SUBST(SYSSRCS)
1375		AC_SUBST(CPUSRCS)
1376		AC_SUBST(BLESS)
1377		AC_SUBST(KEYCODES)
1378	<	AC_OUTPUT(Makefile)
1378	>	AC_OUTPUT([
1379	>	Makefile
1380	>	../MacOSX/Info.plist
1381	>	])
1382
1383		dnl Print summary.
1384		echo
1385		echo SheepShaver configuration summary:
1386		echo
1387		echo SDL support ...................... : $SDL_SUPPORT
1388	+	echo FBDev DGA support ................ : $WANT_FBDEV_DGA
1389		echo XFree86 DGA support .............. : $WANT_XF86_DGA
1390		echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
1391		echo Using PowerPC emulator ........... : $EMULATED_PPC
#	Line 931 | Line 1394 | echo Enable video on SEGV signals .....
1394		echo ESD sound support ................ : $WANT_ESD
1395		echo GTK user interface ............... : $WANT_GTK
1396		echo mon debugger support ............. : $WANT_MON
1397	+	echo Addressing mode .................. : $WANT_ADDRESSING_MODE
1398		echo Bad memory access recovery type .. : $sigsegv_recovery
1399		echo
1400		echo "Configuration done. Now type \"make\"."

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