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

Comparing SheepShaver/src/Unix/configure.ac (file contents):
Revision 1.2 by gbeauche, 2004-06-30T08:48:45Z vs.
Revision 1.29 by gbeauche, 2005-06-25T11:06:24Z

#	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 35 | Line 55 | AC_PROG_CPP
55		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 91 | Line 114 | if [[ "x$WANT_MON" = "xyes" ]]; then
114		WANT_MON=no
115		fi
116		fi
117	+	AC_SUBST(MONSRCS)
118
119		dnl Checks for libraries.
120		AC_CHECK_LIB(posix4, sem_init)
121
122		dnl Do we need SDL?
123		WANT_SDL=no
100	–	SDL_SUPPORT="none"
124		if [[ "x$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 136 | 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 144 | 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		])
#	Line 152 | Line 195 | no:linux*)
195		AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
196		AC_CHECK_FUNCS(pthread_mutexattr_settype)
197		AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
155	–	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
156	–	AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
157	–	fi
198		dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
199		SEMSRC=
200		AC_CHECK_FUNCS(sem_init, , [
#	Line 164 | Line 204 | no:linux*)
204		])
205		;;
206		esac
207	+	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
208	+	AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
209	+	fi
210	+
211	+	dnl We use FBDev DGA if possible.
212	+	if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
213	+	AC_CHECK_HEADER(linux/fb.h, [
214	+	AC_DEFINE(ENABLE_FBDEV_DGA, 1, [Define if using Linux fbdev extension.])
215	+	], [
216	+	AC_MSG_WARN([Could not find Linux FBDev extension, ignoring --enable-fbdev-dga.])
217	+	WANT_FBDEV_DGA=no
218	+	])
219	+	fi
220
221		dnl We use XFree86 DGA if possible.
222		if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
#	Line 189 | Line 242 | fi
242
243		dnl We use GTK+ if possible.
244		UISRCS=../dummy/prefs_editor_dummy.cpp
245	<	if [[ "x$WANT_GTK" = "xyes" ]]; then
245	>	case "x$WANT_GTK" in
246	>	xgtk2*)
247	>	AM_PATH_GTK_2_0(1.3.15, [
248	>	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
249	>	CFLAGS="$CFLAGS $GTK_CFLAGS"
250	>	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
251	>	LIBS="$LIBS $GTK_LIBS"
252	>	UISRCS=prefs_editor_gtk.cpp
253	>	WANT_GTK=gtk2
254	>	], [
255	>	case "x${WANT_GTK}x" in
256	>	*gtkx)
257	>	AC_MSG_WARN([Could not find GTK+ 2.0, trying with GTK+ 1.2.])
258	>	WANT_GTK=gtk
259	>	;;
260	>	*)
261	>	AC_MSG_WARN([Could not find GTK+, disabling user interface.])
262	>	WANT_GTK=no
263	>	;;
264	>	esac
265	>	])
266	>	;;
267	>	esac
268	>	if [[ "x$WANT_GTK" = "xgtk" ]]; then
269		AM_PATH_GTK(1.2.0, [
270		AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
271		CFLAGS="$CFLAGS $GTK_CFLAGS"
#	Line 221 | Line 297 | AC_SYS_LARGEFILE
297		dnl Checks for header files.
298		AC_HEADER_STDC
299		AC_HEADER_SYS_WAIT
300	+	AC_CHECK_HEADERS(malloc.h)
301		AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h)
302		AC_CHECK_HEADERS(sys/time.h sys/times.h sys/socket.h)
303	<	AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h)
303	>	AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h dirent.h)
304		AC_CHECK_HEADERS(linux/if.h, [], [], [
305		#if HAVE_SYS_SOCKET_H
306		# include <sys/socket.h>
307		#endif
308		])
309		AC_CHECK_HEADERS(linux/if_tun.h net/if.h net/if_tun.h)
310	+	AC_CHECK_HEADERS(fenv.h)
311
312		dnl Checks for typedefs, structures, and compiler characteristics.
313		AC_C_BIGENDIAN
#	Line 270 | Line 348 | AC_CHECK_FUNCS(nanosleep)
348		AC_CHECK_FUNCS(sigaction signal)
349		AC_CHECK_FUNCS(mmap mprotect munmap)
350		AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
351	<	AC_CHECK_FUNCS(posix_memalign memalign valloc)
351	>	AC_CHECK_FUNCS(exp2f log2f exp2 log2)
352	>	AC_CHECK_FUNCS(floorf roundf ceilf truncf floor round ceil trunc)
353
354		dnl Darwin seems to define mach_task_self() instead of task_self().
355		AC_CHECK_FUNCS(mach_task_self task_self)
#	Line 282 | Line 361 | no:linux*)
361		;;
362		*:*)
363		AC_SEARCH_LIBS(clock_gettime, [rt posix4])
364	<	AC_CHECK_FUNCS(clock_gettime)
364	>	AC_CHECK_FUNCS(clock_gettime clock_nanosleep)
365		;;
366		esac
367
368	+	dnl Check for headers and functions related to pty support (sshpty.c)
369	+	dnl From openssh-3.2.2p1 configure.ac
370	+	AC_CHECK_HEADERS(strings.h login.h sys/bsdtty.h sys/stat.h util.h pty.h)
371	+	AC_CHECK_FUNCS(_getpty vhangup strlcpy)
372	+
373	+	case "$host" in
374	+	*-*-hpux10.26)
375	+	disable_ptmx_check=yes
376	+	;;
377	+	*-*-linux*)
378	+	no_dev_ptmx=1
379	+	;;
380	+	mips-sony-bsd|mips-sony-newsos4)
381	+	AC_DEFINE(HAVE_NEWS4, 1, [Define if you are on NEWS-OS (additions from openssh-3.2.2p1, for sshpty.c).])
382	+	;;
383	+	*-*-sco3.2v4*)
384	+	no_dev_ptmx=1
385	+	;;
386	+	*-*-sco3.2v5*)
387	+	no_dev_ptmx=1
388	+	;;
389	+	*-*-cygwin*)
390	+	no_dev_ptmx=1
391	+	;;
392	+	esac
393	+
394	+	if test -z "$no_dev_ptmx" ; then
395	+	if test "x$disable_ptmx_check" != "xyes" ; then
396	+	AC_CHECK_FILE([/dev/ptmx],
397	+	[
398	+	AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX, 1, [Define if you have /dev/ptmx.])
399	+	have_dev_ptmx=1
400	+	]
401	+	)
402	+	fi
403	+	fi
404	+	AC_CHECK_FILE([/dev/ptc],
405	+	[
406	+	AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC, 1, [Define if you have /dev/ptc.])
407	+	have_dev_ptc=1
408	+	]
409	+	)
410	+	dnl (end of code from openssh-3.2.2p1 configure.ac)
411	+
412		dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
413		AC_DEFUN(AC_CHECK_FRAMEWORK, [
414		AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
#	Line 313 | Line 436 | SERIALSRC=serial_unix.cpp
436		ETHERSRC=../dummy/ether_dummy.cpp
437		SCSISRC=../dummy/scsi_dummy.cpp
438		AUDIOSRC=../dummy/audio_dummy.cpp
439	+	EXTFSSRC=extfs_unix.cpp
440		EXTRASYSSRCS=
441		case "$target_os" in
442		linux*)
#	Line 320 | Line 444 | linux*)
444		AUDIOSRC=audio_oss_esd.cpp
445		SCSISRC=Linux/scsi_linux.cpp
446		if [[ "x$EMULATED_PPC" = "xno" ]]; then
447	<	EXTRASYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c Linux/asm_linux.S"
447	>	EXTRASYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c ppc_asm.S"
448	>	fi
449	>	;;
450	>	netbsd*)
451	>	if [[ "x$EMULATED_PPC" = "xno" ]]; then
452	>	EXTRASYSSRCS="NetBSD/paranoia.cpp NetBSD/sheepthreads.c ppc_asm.S"
453		fi
454		;;
455		darwin*)
456		if [[ "x$EMULATED_PPC" = "xno" ]]; then
457	<	EXTRASYSSRCS="Darwin/paranoia.cpp Linux/asm_linux.S"
457	>	EXTRASYSSRCS="Darwin/paranoia.cpp ppc_asm.S"
458		fi
459		if [[ "x$ac_cv_framework_IOKit" = "xyes" ]]; then
460		EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/sys_darwin.cpp"
461		fi
462	+	if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
463	+	EXTFSSRC=../MacOSX/extfs_macosx.mm
464	+	fi
465	+	;;
466	+	cygwin*)
467	+	SERIALSRC="../dummy/serial_dummy.cpp"
468		;;
469		esac
470
#	Line 338 | Line 473 | if [[ "x$WANT_SDL" = "xyes" ]]; then
473		AC_DEFINE(USE_SDL, 1, [Define to enble SDL support.])
474		fi
475		if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
341	–	VIDEOSRCS="../SDL/video_sdl.cpp"
476		AC_DEFINE(USE_SDL_VIDEO, 1, [Define to enable SDL video graphics support.])
477	+	VIDEOSRCS="../SDL/video_sdl.cpp"
478		KEYCODES="../SDL/keycodes"
479		if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
480		EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx.cpp"
481		else
482	<	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
482	>	case "$target_os" in
483	>	cygwin*)
484	>	EXTRASYSSRCS="$EXTRASYSSRCS ../Windows/clip_windows.cpp"
485	>	;;
486	>	*)
487	>	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
488	>	;;
489	>	esac
490		fi
491		else
492		VIDEOSRCS="video_x.cpp"
493		KEYCODES="keycodes"
494		EXTRASYSSRCS="$EXTRASYSSRCS clip_unix.cpp"
495		fi
496	+	if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
497	+	AC_DEFINE(USE_SDL_AUDIO, 1, [Define to enable SDL audio support])
498	+	AUDIOSRC="../SDL/audio_sdl.cpp"
499	+	fi
500
501	<	SYSSRCS="$VIDEOSRCS $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
501	>	SYSSRCS="$VIDEOSRCS $EXTFSSRC $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $EXTRASYSSRCS"
502
503		dnl Define a macro that translates a yesno-variable into a C macro definition
504		dnl to be put into the config.h file
#	Line 656 | Line 802 | fi
802		AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions",
803		[Define if your system supports Mach exceptions.])
804
805	+	dnl Check if Windows exceptions are supported.
806	+	AC_CACHE_CHECK([whether your system supports Windows exceptions],
807	+	ac_cv_have_win32_exceptions, [
808	+	AC_LANG_SAVE
809	+	AC_LANG_CPLUSPLUS
810	+	AC_TRY_RUN([
811	+	#define HAVE_WIN32_EXCEPTIONS 1
812	+	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
813	+	#include "vm_alloc.cpp"
814	+	#include "sigsegv.cpp"
815	+	], [
816	+	sigsegv_recovery=win32
817	+	ac_cv_have_win32_exceptions=yes
818	+	],
819	+	ac_cv_have_win32_exceptions=no,
820	+	dnl When cross-compiling, do not assume anything.
821	+	ac_cv_have_win32_exceptions=no
822	+	)
823	+	AC_LANG_RESTORE
824	+	]
825	+	)
826	+	AC_TRANSLATE_DEFINE(HAVE_WIN32_EXCEPTIONS, "$ac_cv_have_win32_exceptions",
827	+	[Define if your system supports Windows exceptions.])
828	+
829		dnl Otherwise, check if extended signals are supported.
830		if [[ -z "$sigsegv_recovery" ]]; then
831		AC_CACHE_CHECK([whether your system supports extended signal handlers],
#	Line 742 | Line 912 | else
912		WANT_VOSF=no
913		fi
914
915	+	dnl Check addressing mode to use
916	+	AC_MSG_CHECKING([for addressing mode to use])
917	+	case "$os_target" in
918	+	cygwin*)
919	+	WANT_ADDRESSING_MODE="direct,cygwin-hack"
920	+	NATMEM_OFFSET=
921	+	;;
922	+	esac
923	+	if [[ "$EMULATED_PPC" != "yes" ]]; then
924	+	if [[ "$WANT_ADDRESSING_MODE" != "real" ]]; then
925	+	AC_MSG_WARN([Running in native PowerPC mode, force use of Real Addressing.])
926	+	WANT_ADDRESSING_MODE="real"
927	+	fi
928	+	fi
929	+	if [[ "$WANT_ADDRESSING_MODE" = "direct" ]]; then
930	+	if [[ -n "$NATMEM_OFFSET" ]]; then
931	+	NATMEM_OFFSET_DEF="-DNATMEM_OFFSET=$NATMEM_OFFSET"
932	+	fi
933	+	AC_LANG_SAVE
934	+	AC_LANG_CPLUSPLUS
935	+	cat confdefs.h > conftest.$ac_ext
936	+	cat >> conftest.$ac_ext << EOF
937	+	#include <stdio.h>
938	+	#include <string.h>
939	+	#include "vm_alloc.cpp"
940	+
941	+	int main(void)
942	+	{
943	+	if (vm_init() < 0)
944	+	return 1;
945	+
946	+	static const struct {
947	+	unsigned long base;
948	+	unsigned int size;
949	+	} ranges[[]] = {
950	+	{ 0x00000000, 0x0003000 },
951	+	{ 0x10000000, 0x2000000 },
952	+	{ 0x40800000, 0x0400000 },
953	+	{ 0x68070000, 0x0010000 },
954	+	{ 0x69000000, 0x0080000 },
955	+	{ 0x68ffe000, 0x0002000 },
956	+	{ 0x5fffe000, 0x0002000 },
957	+	{ 0x60000000, 0x0040000 },
958	+	};
959	+	const int n_ranges = sizeof(ranges)/ sizeof(ranges[[0]]);
960	+
961	+	#ifdef NATMEM_OFFSET
962	+	unsigned long ofs = NATMEM_OFFSET;
963	+	#else
964	+	for (unsigned long ofs = 0x10000000; ofs <= 0x90000000; ofs += 0x10000000)
965	+	#endif
966	+	for (int i = 0; i < n_ranges; i++) {
967	+	char *m = (char *)(ranges[[i]].base + ofs);
968	+	if (vm_acquire_fixed(m, ranges[[i]].size) != 0)
969	+	break;
970	+	memset(m, 0, ranges[[i]].size);
971	+	vm_release(m, ranges[[i]].size);
972	+	if (i == n_ranges - 1) {
973	+	if (sizeof(void *) == 8 && ofs > 0xffffffff)
974	+	printf("0x%lxul\n", ofs);
975	+	else
976	+	printf("0x%08x\n", ofs);
977	+	return 0;
978	+	}
979	+	}
980	+
981	+	vm_exit();
982	+	return 1;
983	+	}
984	+	EOF
985	+	doit='$CXX conftest.$ac_ext -o conftest.$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS $LIBS $NATMEM_OFFSET_DEF >& AS_MESSAGE_LOG_FD'
986	+	if AC_TRY_EVAL(doit); then
987	+	NATMEM_OFFSET=`./conftest.$ac_exeext`
988	+	else
989	+	NATMEM_OFFSET=
990	+	fi
991	+	rm -f conftest*
992	+	AC_LANG_RESTORE
993	+
994	+	if [[ -z "$NATMEM_OFFSET" ]]; then
995	+	AC_MSG_ERROR([could not determine a sensible NATMEM_OFFSET value])
996	+	else
997	+	WANT_ADDRESSING_MODE="direct,$NATMEM_OFFSET"
998	+	AC_DEFINE_UNQUOTED(NATMEM_OFFSET, $NATMEM_OFFSET,
999	+	[Define constant offset for Mac address translation])
1000	+	fi
1001	+	fi
1002	+	AC_MSG_RESULT($WANT_ADDRESSING_MODE)
1003	+
1004	+	dnl Utility macro used by next two tests.
1005	+	dnl AC_EXAMINE_OBJECT(C source code,
1006	+	dnl     commands examining object file,
1007	+	dnl     [commands to run if compile failed]):
1008	+	dnl
1009	+	dnl Compile the source code to an object file; then convert it into a
1010	+	dnl printable representation.  All unprintable characters and
1011	+	dnl asterisks (*) are replaced by dots (.).  All white space is
1012	+	dnl deleted.  Newlines (ASCII 0x10) in the input are preserved in the
1013	+	dnl output, but runs of newlines are compressed to a single newline.
1014	+	dnl Finally, line breaks are forcibly inserted so that no line is
1015	+	dnl longer than 80 columns and the file ends with a newline.  The
1016	+	dnl result of all this processing is in the file conftest.dmp, which
1017	+	dnl may be examined by the commands in the second argument.
1018	+	dnl
1019	+	AC_DEFUN([gcc_AC_EXAMINE_OBJECT],
1020	+	[AC_LANG_SAVE
1021	+	AC_LANG_C
1022	+	dnl Next bit cribbed from AC_TRY_COMPILE.
1023	+	cat > conftest.$ac_ext <<EOF
1024	+	[#line __oline__ "configure"
1025	+	#include "confdefs.h"
1026	+	$1
1027	+	]EOF
1028	+	if AC_TRY_EVAL(ac_compile); then
1029	+	od -c conftest.o |
1030	+	sed ['s/^[0-7]*[    ]*/ /
1031	+	s/\*/./g
1032	+	s/ \\n/*/g
1033	+	s/ [0-9][0-9][0-9]/./g
1034	+	s/  \\[^ ]/./g'] |
1035	+	tr -d '
1036	+	' | tr -s '*' '
1037	+	' | fold | sed '$a\
1038	+	' > conftest.dmp
1039	+	$2
1040	+	ifelse($3, , , else
1041	+	$3
1042	+	)dnl
1043	+	fi
1044	+	rm -rf conftest*
1045	+	AC_LANG_RESTORE])
1046	+
1047	+	dnl Floating point format probe.
1048	+	dnl The basic concept is the same as the above: grep the object
1049	+	dnl file for an interesting string.  We have to watch out for
1050	+	dnl rounding changing the values in the object, however; this is
1051	+	dnl handled by ignoring the least significant byte of the float.
1052	+	dnl
1053	+	dnl Does not know about VAX G-float or C4x idiosyncratic format.
1054	+	dnl It does know about PDP-10 idiosyncratic format, but this is
1055	+	dnl not presently supported by GCC.  S/390 "binary floating point"
1056	+	dnl is in fact IEEE (but maybe we should have that in EBCDIC as well
1057	+	dnl as ASCII?)
1058	+	dnl
1059	+	AC_DEFUN([gcc_AC_C_FLOAT_FORMAT],
1060	+	[AC_CACHE_CHECK(floating point format, ac_cv_c_float_format,
1061	+	[gcc_AC_EXAMINE_OBJECT(
1062	+	[/* This will not work unless sizeof(double) == 8.  */
1063	+	extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1];
1064	+
1065	+	/* This structure must have no internal padding.  */
1066	+	struct possibility {
1067	+	char prefix[8];
1068	+	double candidate;
1069	+	char postfix[8];
1070	+	};
1071	+
1072	+	#define C(cand) { "\nformat:", cand, ":tamrof\n" }
1073	+	struct possibility table [] =
1074	+	{
1075	+	C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */
1076	+	C( 3.53802595280598432000e+18), /* D__float - VAX */
1077	+	C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */
1078	+	C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */
1079	+	C(-5.22995989424860458374e+10)  /* IBMHEXFP - s/390 format, EBCDIC */
1080	+	};],
1081	+	[if   grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1082	+	ac_cv_c_float_format='IEEE (big-endian)'
1083	+	elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then
1084	+	ac_cv_c_float_format='IEEE (big-endian)'
1085	+	elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then
1086	+	ac_cv_c_float_format='IEEE (little-endian)'
1087	+	elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then
1088	+	ac_cv_c_float_format='IEEE (little-endian)'
1089	+	elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then
1090	+	ac_cv_c_float_format='VAX D-float'
1091	+	elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then
1092	+	ac_cv_c_float_format='PDP-10'
1093	+	elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1094	+	ac_cv_c_float_format='IBM 370 hex'
1095	+	else
1096	+	AC_MSG_ERROR(Unknown floating point format)
1097	+	fi],
1098	+	[AC_MSG_ERROR(compile failed)])
1099	+	])
1100	+	# IEEE is the default format.  If the float endianness isn't the same
1101	+	# as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN
1102	+	# (which is a tristate: yes, no, default).  This is only an issue with
1103	+	# IEEE; the other formats are only supported by a few machines each,
1104	+	# all with the same endianness.
1105	+	format=IEEE_FLOAT_FORMAT
1106	+	fbigend=
1107	+	case $ac_cv_c_float_format in
1108	+	'IEEE (big-endian)' )
1109	+	if test $ac_cv_c_bigendian = no; then
1110	+	fbigend=1
1111	+	fi
1112	+	;;
1113	+	'IEEE (little-endian)' )
1114	+	if test $ac_cv_c_bigendian = yes; then
1115	+	fbigend=0
1116	+	fi
1117	+	;;
1118	+	'VAX D-float' )
1119	+	format=VAX_FLOAT_FORMAT
1120	+	;;
1121	+	'PDP-10' )
1122	+	format=PDP10_FLOAT_FORMAT
1123	+	;;
1124	+	'IBM 370 hex' )
1125	+	format=IBM_FLOAT_FORMAT
1126	+	;;
1127	+	esac
1128	+	AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format,
1129	+	[Define to the floating point format of the host machine.])
1130	+	if test -n "$fbigend"; then
1131	+	AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend,
1132	+	[Define to 1 if the host machine stores floating point numbers in
1133	+	memory with the word containing the sign bit at the lowest address,
1134	+	or to 0 if it does it the other way around.
1135	+
1136	+	This macro should not be defined if the ordering is the same as for
1137	+	multi-word integers.])
1138	+	fi
1139	+	])
1140	+
1141	+	dnl Check for host float format
1142	+	gcc_AC_C_FLOAT_FORMAT
1143	+
1144		dnl Platform specific binary postprocessor
1145		AC_PATH_PROG(BLESS, "true")
1146		if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then
#	Line 775 | Line 1174 | if $CXX -V -v 2>&1 | grep -q "Intel(R) C
1174		fi
1175		AC_MSG_RESULT($HAVE_ICC)
1176
1177	<	# Test if the compiler can generate ELF objects
1178	<	AC_CACHE_CHECK([whether the compiler can generate ELF objects],
1179	<	ac_cv_elf_objects, [
1177	>	dnl Determine the generated object format
1178	>	AC_CACHE_CHECK([the format of compiler generated objects],
1179	>	ac_cv_object_format, [
1180		echo 'int i;' > conftest.$ac_ext
1181	<	ac_cv_elf_objects=no
1181	>	ac_cv_object_format=no
1182		if AC_TRY_EVAL(ac_compile); then
1183		case `/usr/bin/file conftest.$ac_objext` in
1184		*"ELF"*)
1185	<	ac_cv_elf_objects=yes
1185	>	ac_cv_object_format=elf
1186	>	;;
1187	>	*"Mach-O"*)
1188	>	ac_cv_object_format=mach
1189	>	;;
1190	>	*)
1191	>	ac_cv_object_format=unknown
1192		;;
1193		esac
1194		fi
1195		rm -rf conftest*
1196		])
792	–	ELF_OBJECTS=$ac_cv_elf_objects
1197
1198		dnl CPU emulator sources
1199		if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1200		CPUSRCS="\
1201	+	../kpx_cpu/src/mathlib/ieeefp.cpp \
1202	+	../kpx_cpu/src/mathlib/mathlib.cpp \
1203		../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \
1204		../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \
1205		../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \
#	Line 804 | Line 1210 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1210		if [[ "x$WANT_JIT" = "xyes" ]]; then
1211		AC_CACHE_CHECK([whether dyngen can be used],
1212		ac_cv_use_dyngen, [
1213	<	case $host_cpu:$ELF_OBJECTS in
1214	<	powerpc:yes)
1213	>	case $host_cpu:$ac_cv_object_format in
1214	>	powerpc:elf)
1215	>	ac_cv_use_dyngen=yes
1216	>	;;
1217	>	x86_64:elf)
1218		ac_cv_use_dyngen=yes
1219		;;
1220	<	x86_64:yes)
1220	>	i?86:elf)
1221		ac_cv_use_dyngen=yes
1222		;;
1223	<	i?86:yes)
1223	>	powerpc:mach)
1224		ac_cv_use_dyngen=yes
1225		;;
1226		*:*)
#	Line 831 | Line 1240 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1240		done
1241		fi
1242		fi
1243	<	if [[ -z "$DYNGEN_CC" ]] || ! { echo '#include <limits>' | $DYNGEN_CC -xc++ -c -o /dev/null - >& /dev/null; }; then
1243	>	if [[ -z "$DYNGEN_CC" ]]; then
1244		ac_cv_use_dyngen=no
1245		fi
1246		])
#	Line 839 | Line 1248 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1248		case $host_cpu in
1249		i?86)
1250		DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2"
842	–	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
843	–	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
844	–	else
845	–	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
846	–	fi
847	–	saved_CPPFLAGS=$CPPFLAGS
848	–	CPPFLAGS="$CPPFLAGS -mmmx"
849	–	AC_CHECK_HEADERS(mmintrin.h,  [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -mmmx"])
850	–	CPPFLAGS="$CPPFLAGS -msse"
851	–	AC_CHECK_HEADERS(xmmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse"])
852	–	CPPFLAGS="$CPPFLAGS -msse2"
853	–	AC_CHECK_HEADERS(emmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse2"])
854	–	CPPFLAGS=$saved_CPPFLAGS
1251		;;
1252	<	x86_64)
1253	<	AC_CHECK_HEADERS(mmintrin.h xmmintrin.h emmintrin.h)
1252	>	powerpc)
1253	>	if [[ "x$ac_cv_object_format" = "xmach" ]]; then
1254	>	DYNGEN_OP_FLAGS="-mdynamic-no-pic"
1255	>	fi
1256		;;
1257		esac
1258	<	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000"
1258	>	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1259	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
1260	>	else
1261	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
1262	>	fi
1263	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000 -fno-exceptions -g0"
1264		if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1265		DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls"
1266		fi
#	Line 883 | Line 1286 | if [[ "x$ac_cv_use_dyngen" = "xyes" ]];
1286		AC_CACHE_CHECK([whether static data regions are executable],
1287		ac_cv_have_static_data_exec, [
1288		AC_TRY_RUN([int main(void) {
1289	<	#if defined(__powerpc__)
1289	>	#if defined(__powerpc__) || defined(__ppc__)
1290		static unsigned int p[8] = {0x4e800020,};
1291		asm volatile("dcbst 0,%0" : : "r" (p) : "memory");
1292		asm volatile("sync" : : : "memory");
#	Line 899 | Line 1302 | if [[ "x$ac_cv_use_dyngen" = "xyes" ]];
1302		ac_cv_have_static_data_exec=no
1303		)
1304		])
1305	+	else
1306	+	ac_cv_use_dyngen=no
1307		fi
1308		AC_TRANSLATE_DEFINE(HAVE_STATIC_DATA_EXEC, "$ac_cv_have_static_data_exec",
1309		[Define if your system marks static data pages as executable.])
#	Line 908 | Line 1313 | if [[ "x$WANT_JIT" = "xyes" ]]; then
1313		fi
1314
1315		dnl Generate Makefile.
1316	+	AC_SUBST(PERL)
1317	+	AC_SUBST(USE_DYNGEN, [$ac_cv_use_dyngen])
1318		AC_SUBST(DYNGENSRCS)
1319		AC_SUBST(DYNGEN_CC)
1320		AC_SUBST(DYNGEN_OP_FLAGS)
#	Line 915 | Line 1322 | AC_SUBST(SYSSRCS)
1322		AC_SUBST(CPUSRCS)
1323		AC_SUBST(BLESS)
1324		AC_SUBST(KEYCODES)
1325	<	AC_OUTPUT(Makefile)
1325	>	AC_OUTPUT([
1326	>	Makefile
1327	>	../MacOSX/Info.plist
1328	>	])
1329
1330		dnl Print summary.
1331		echo
1332		echo SheepShaver configuration summary:
1333		echo
1334		echo SDL support ...................... : $SDL_SUPPORT
1335	+	echo FBDev DGA support ................ : $WANT_FBDEV_DGA
1336		echo XFree86 DGA support .............. : $WANT_XF86_DGA
1337		echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
1338		echo Using PowerPC emulator ........... : $EMULATED_PPC
#	Line 930 | Line 1341 | echo Enable video on SEGV signals .....
1341		echo ESD sound support ................ : $WANT_ESD
1342		echo GTK user interface ............... : $WANT_GTK
1343		echo mon debugger support ............. : $WANT_MON
1344	+	echo Addressing mode .................. : $WANT_ADDRESSING_MODE
1345		echo Bad memory access recovery type .. : $sigsegv_recovery
1346		echo
1347		echo "Configuration done. Now type \"make\"."

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