ViewVC Help

View File | Revision Log | Show Annotations | Revision Graph | Root Listing

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

Comparing SheepShaver/src/Unix/configure.ac (file contents):
Revision 1.3 by gbeauche, 2004-06-30T08:51:37Z vs.
Revision 1.27 by gbeauche, 2005-06-22T15:37:25Z

#	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 166 | Line 206 | no:linux*)
206		;;
207		esac
208
209	+	dnl We use FBDev DGA if possible.
210	+	if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
211	+	AC_CHECK_HEADER(linux/fb.h, [
212	+	AC_DEFINE(ENABLE_FBDEV_DGA, 1, [Define if using Linux fbdev extension.])
213	+	], [
214	+	AC_MSG_WARN([Could not find Linux FBDev extension, ignoring --enable-fbdev-dga.])
215	+	WANT_FBDEV_DGA=no
216	+	])
217	+	fi
218	+
219		dnl We use XFree86 DGA if possible.
220		if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
221		AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, [
#	Line 190 | Line 240 | fi
240
241		dnl We use GTK+ if possible.
242		UISRCS=../dummy/prefs_editor_dummy.cpp
243	<	if [[ "x$WANT_GTK" = "xyes" ]]; then
243	>	case "x$WANT_GTK" in
244	>	xgtk2*)
245	>	AM_PATH_GTK_2_0(1.3.15, [
246	>	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
247	>	CFLAGS="$CFLAGS $GTK_CFLAGS"
248	>	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
249	>	LIBS="$LIBS $GTK_LIBS"
250	>	UISRCS=prefs_editor_gtk.cpp
251	>	WANT_GTK=gtk2
252	>	], [
253	>	case "x${WANT_GTK}x" in
254	>	*gtkx)
255	>	AC_MSG_WARN([Could not find GTK+ 2.0, trying with GTK+ 1.2.])
256	>	WANT_GTK=gtk
257	>	;;
258	>	*)
259	>	AC_MSG_WARN([Could not find GTK+, disabling user interface.])
260	>	WANT_GTK=no
261	>	;;
262	>	esac
263	>	])
264	>	;;
265	>	esac
266	>	if [[ "x$WANT_GTK" = "xgtk" ]]; then
267		AM_PATH_GTK(1.2.0, [
268		AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
269		CFLAGS="$CFLAGS $GTK_CFLAGS"
#	Line 222 | Line 295 | AC_SYS_LARGEFILE
295		dnl Checks for header files.
296		AC_HEADER_STDC
297		AC_HEADER_SYS_WAIT
298	+	AC_CHECK_HEADERS(malloc.h)
299		AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h)
300		AC_CHECK_HEADERS(sys/time.h sys/times.h sys/socket.h)
301	<	AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h)
301	>	AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h dirent.h)
302		AC_CHECK_HEADERS(linux/if.h, [], [], [
303		#if HAVE_SYS_SOCKET_H
304		# include <sys/socket.h>
305		#endif
306		])
307		AC_CHECK_HEADERS(linux/if_tun.h net/if.h net/if_tun.h)
308	+	AC_CHECK_HEADERS(fenv.h)
309
310		dnl Checks for typedefs, structures, and compiler characteristics.
311		AC_C_BIGENDIAN
#	Line 272 | Line 347 | AC_CHECK_FUNCS(sigaction signal)
347		AC_CHECK_FUNCS(mmap mprotect munmap)
348		AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
349		AC_CHECK_FUNCS(posix_memalign memalign valloc)
350	+	AC_CHECK_FUNCS(exp2f log2f exp2 log2)
351	+	AC_CHECK_FUNCS(floorf roundf ceilf truncf floor round ceil trunc)
352
353		dnl Darwin seems to define mach_task_self() instead of task_self().
354		AC_CHECK_FUNCS(mach_task_self task_self)
#	Line 283 | Line 360 | no:linux*)
360		;;
361		*:*)
362		AC_SEARCH_LIBS(clock_gettime, [rt posix4])
363	<	AC_CHECK_FUNCS(clock_gettime)
363	>	AC_CHECK_FUNCS(clock_gettime clock_nanosleep)
364		;;
365		esac
366
367	+	dnl Check for headers and functions related to pty support (sshpty.c)
368	+	dnl From openssh-3.2.2p1 configure.ac
369	+	AC_CHECK_HEADERS(strings.h login.h sys/bsdtty.h sys/stat.h util.h pty.h)
370	+	AC_CHECK_FUNCS(_getpty vhangup strlcpy)
371	+
372	+	case "$host" in
373	+	*-*-hpux10.26)
374	+	disable_ptmx_check=yes
375	+	;;
376	+	*-*-linux*)
377	+	no_dev_ptmx=1
378	+	;;
379	+	mips-sony-bsd|mips-sony-newsos4)
380	+	AC_DEFINE(HAVE_NEWS4, 1, [Define if you are on NEWS-OS (additions from openssh-3.2.2p1, for sshpty.c).])
381	+	;;
382	+	*-*-sco3.2v4*)
383	+	no_dev_ptmx=1
384	+	;;
385	+	*-*-sco3.2v5*)
386	+	no_dev_ptmx=1
387	+	;;
388	+	*-*-cygwin*)
389	+	no_dev_ptmx=1
390	+	;;
391	+	esac
392	+
393	+	if test -z "$no_dev_ptmx" ; then
394	+	if test "x$disable_ptmx_check" != "xyes" ; then
395	+	AC_CHECK_FILE([/dev/ptmx],
396	+	[
397	+	AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX, 1, [Define if you have /dev/ptmx.])
398	+	have_dev_ptmx=1
399	+	]
400	+	)
401	+	fi
402	+	fi
403	+	AC_CHECK_FILE([/dev/ptc],
404	+	[
405	+	AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC, 1, [Define if you have /dev/ptc.])
406	+	have_dev_ptc=1
407	+	]
408	+	)
409	+	dnl (end of code from openssh-3.2.2p1 configure.ac)
410	+
411		dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
412		AC_DEFUN(AC_CHECK_FRAMEWORK, [
413		AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
#	Line 314 | Line 435 | SERIALSRC=serial_unix.cpp
435		ETHERSRC=../dummy/ether_dummy.cpp
436		SCSISRC=../dummy/scsi_dummy.cpp
437		AUDIOSRC=../dummy/audio_dummy.cpp
438	+	EXTFSSRC=extfs_unix.cpp
439		EXTRASYSSRCS=
440		case "$target_os" in
441		linux*)
#	Line 321 | Line 443 | linux*)
443		AUDIOSRC=audio_oss_esd.cpp
444		SCSISRC=Linux/scsi_linux.cpp
445		if [[ "x$EMULATED_PPC" = "xno" ]]; then
446	<	EXTRASYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c Linux/asm_linux.S"
446	>	EXTRASYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c ppc_asm.S"
447	>	fi
448	>	;;
449	>	netbsd*)
450	>	if [[ "x$EMULATED_PPC" = "xno" ]]; then
451	>	EXTRASYSSRCS="NetBSD/paranoia.cpp NetBSD/sheepthreads.c ppc_asm.S"
452		fi
453		;;
454		darwin*)
455		if [[ "x$EMULATED_PPC" = "xno" ]]; then
456	<	EXTRASYSSRCS="Darwin/paranoia.cpp Linux/asm_linux.S"
456	>	EXTRASYSSRCS="Darwin/paranoia.cpp ppc_asm.S"
457		fi
458		if [[ "x$ac_cv_framework_IOKit" = "xyes" ]]; then
459		EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/sys_darwin.cpp"
460		fi
461	+	if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
462	+	EXTFSSRC=../MacOSX/extfs_macosx.mm
463	+	fi
464	+	;;
465	+	cygwin*)
466	+	SERIALSRC="../dummy/serial_dummy.cpp"
467		;;
468		esac
469
#	Line 339 | Line 472 | if [[ "x$WANT_SDL" = "xyes" ]]; then
472		AC_DEFINE(USE_SDL, 1, [Define to enble SDL support.])
473		fi
474		if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
342	–	VIDEOSRCS="../SDL/video_sdl.cpp"
475		AC_DEFINE(USE_SDL_VIDEO, 1, [Define to enable SDL video graphics support.])
476	+	VIDEOSRCS="../SDL/video_sdl.cpp"
477		KEYCODES="../SDL/keycodes"
478		if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
479		EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx.cpp"
480		else
481	<	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
481	>	case "$target_os" in
482	>	cygwin*)
483	>	EXTRASYSSRCS="$EXTRASYSSRCS ../Windows/clip_windows.cpp"
484	>	;;
485	>	*)
486	>	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
487	>	;;
488	>	esac
489		fi
490		else
491		VIDEOSRCS="video_x.cpp"
492		KEYCODES="keycodes"
493		EXTRASYSSRCS="$EXTRASYSSRCS clip_unix.cpp"
494		fi
495	+	if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
496	+	AC_DEFINE(USE_SDL_AUDIO, 1, [Define to enable SDL audio support])
497	+	AUDIOSRC="../SDL/audio_sdl.cpp"
498	+	fi
499
500	<	SYSSRCS="$VIDEOSRCS $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
500	>	SYSSRCS="$VIDEOSRCS $EXTFSSRC $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $EXTRASYSSRCS"
501
502		dnl Define a macro that translates a yesno-variable into a C macro definition
503		dnl to be put into the config.h file
#	Line 657 | Line 801 | fi
801		AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions",
802		[Define if your system supports Mach exceptions.])
803
804	+	dnl Check if Windows exceptions are supported.
805	+	AC_CACHE_CHECK([whether your system supports Windows exceptions],
806	+	ac_cv_have_win32_exceptions, [
807	+	AC_LANG_SAVE
808	+	AC_LANG_CPLUSPLUS
809	+	AC_TRY_RUN([
810	+	#define HAVE_WIN32_EXCEPTIONS 1
811	+	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
812	+	#include "vm_alloc.cpp"
813	+	#include "sigsegv.cpp"
814	+	], [
815	+	sigsegv_recovery=win32
816	+	ac_cv_have_win32_exceptions=yes
817	+	],
818	+	ac_cv_have_win32_exceptions=no,
819	+	dnl When cross-compiling, do not assume anything.
820	+	ac_cv_have_win32_exceptions=no
821	+	)
822	+	AC_LANG_RESTORE
823	+	]
824	+	)
825	+	AC_TRANSLATE_DEFINE(HAVE_WIN32_EXCEPTIONS, "$ac_cv_have_win32_exceptions",
826	+	[Define if your system supports Windows exceptions.])
827	+
828		dnl Otherwise, check if extended signals are supported.
829		if [[ -z "$sigsegv_recovery" ]]; then
830		AC_CACHE_CHECK([whether your system supports extended signal handlers],
#	Line 743 | Line 911 | else
911		WANT_VOSF=no
912		fi
913
914	+	dnl Check addressing mode to use
915	+	AC_MSG_CHECKING([for addressing mode to use])
916	+	case "$os_target" in
917	+	cygwin*)
918	+	WANT_ADDRESSING_MODE="direct,cygwin-hack"
919	+	NATMEM_OFFSET=
920	+	;;
921	+	esac
922	+	if [[ "$EMULATED_PPC" != "yes" ]]; then
923	+	if [[ "$WANT_ADDRESSING_MODE" != "real" ]]; then
924	+	AC_MSG_WARN([Running in native PowerPC mode, force use of Real Addressing.])
925	+	WANT_ADDRESSING_MODE="real"
926	+	fi
927	+	fi
928	+	if [[ "$WANT_ADDRESSING_MODE" = "direct" ]]; then
929	+	if [[ -n "$NATMEM_OFFSET" ]]; then
930	+	NATMEM_OFFSET_DEF="-DNATMEM_OFFSET=$NATMEM_OFFSET"
931	+	fi
932	+	AC_LANG_SAVE
933	+	AC_LANG_CPLUSPLUS
934	+	cat confdefs.h > conftest.$ac_ext
935	+	cat >> conftest.$ac_ext << EOF
936	+	#include <stdio.h>
937	+	#include <string.h>
938	+	#include "vm_alloc.cpp"
939	+
940	+	int main(void)
941	+	{
942	+	if (vm_init() < 0)
943	+	return 1;
944	+
945	+	static const struct {
946	+	unsigned long base;
947	+	unsigned int size;
948	+	} ranges[[]] = {
949	+	{ 0x00000000, 0x0003000 },
950	+	{ 0x10000000, 0x2000000 },
951	+	{ 0x40800000, 0x0400000 },
952	+	{ 0x68070000, 0x0010000 },
953	+	{ 0x69000000, 0x0080000 },
954	+	{ 0x68ffe000, 0x0002000 },
955	+	{ 0x5fffe000, 0x0002000 },
956	+	{ 0x60000000, 0x0040000 },
957	+	};
958	+	const int n_ranges = sizeof(ranges)/ sizeof(ranges[[0]]);
959	+
960	+	#ifdef NATMEM_OFFSET
961	+	unsigned long ofs = NATMEM_OFFSET;
962	+	#else
963	+	for (unsigned long ofs = 0x10000000; ofs <= 0x90000000; ofs += 0x10000000)
964	+	#endif
965	+	for (int i = 0; i < n_ranges; i++) {
966	+	char *m = (char *)(ranges[[i]].base + ofs);
967	+	if (vm_acquire_fixed(m, ranges[[i]].size) != 0)
968	+	break;
969	+	memset(m, 0, ranges[[i]].size);
970	+	vm_release(m, ranges[[i]].size);
971	+	if (i == n_ranges - 1) {
972	+	if (sizeof(void *) == 8 && ofs > 0xffffffff)
973	+	printf("0x%lxul\n", ofs);
974	+	else
975	+	printf("0x%08x\n", ofs);
976	+	return 0;
977	+	}
978	+	}
979	+
980	+	vm_exit();
981	+	return 1;
982	+	}
983	+	EOF
984	+	doit='$CXX conftest.$ac_ext -o conftest.$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS $LIBS $NATMEM_OFFSET_DEF >& AS_MESSAGE_LOG_FD'
985	+	if AC_TRY_EVAL(doit); then
986	+	NATMEM_OFFSET=`./conftest.$ac_exeext`
987	+	else
988	+	NATMEM_OFFSET=
989	+	fi
990	+	rm -f conftest*
991	+	AC_LANG_RESTORE
992	+
993	+	if [[ -z "$NATMEM_OFFSET" ]]; then
994	+	AC_MSG_ERROR([could not determine a sensible NATMEM_OFFSET value])
995	+	else
996	+	WANT_ADDRESSING_MODE="direct,$NATMEM_OFFSET"
997	+	AC_DEFINE_UNQUOTED(NATMEM_OFFSET, $NATMEM_OFFSET,
998	+	[Define constant offset for Mac address translation])
999	+	fi
1000	+	fi
1001	+	AC_MSG_RESULT($WANT_ADDRESSING_MODE)
1002	+
1003	+	dnl Utility macro used by next two tests.
1004	+	dnl AC_EXAMINE_OBJECT(C source code,
1005	+	dnl     commands examining object file,
1006	+	dnl     [commands to run if compile failed]):
1007	+	dnl
1008	+	dnl Compile the source code to an object file; then convert it into a
1009	+	dnl printable representation.  All unprintable characters and
1010	+	dnl asterisks (*) are replaced by dots (.).  All white space is
1011	+	dnl deleted.  Newlines (ASCII 0x10) in the input are preserved in the
1012	+	dnl output, but runs of newlines are compressed to a single newline.
1013	+	dnl Finally, line breaks are forcibly inserted so that no line is
1014	+	dnl longer than 80 columns and the file ends with a newline.  The
1015	+	dnl result of all this processing is in the file conftest.dmp, which
1016	+	dnl may be examined by the commands in the second argument.
1017	+	dnl
1018	+	AC_DEFUN([gcc_AC_EXAMINE_OBJECT],
1019	+	[AC_LANG_SAVE
1020	+	AC_LANG_C
1021	+	dnl Next bit cribbed from AC_TRY_COMPILE.
1022	+	cat > conftest.$ac_ext <<EOF
1023	+	[#line __oline__ "configure"
1024	+	#include "confdefs.h"
1025	+	$1
1026	+	]EOF
1027	+	if AC_TRY_EVAL(ac_compile); then
1028	+	od -c conftest.o |
1029	+	sed ['s/^[0-7]*[    ]*/ /
1030	+	s/\*/./g
1031	+	s/ \\n/*/g
1032	+	s/ [0-9][0-9][0-9]/./g
1033	+	s/  \\[^ ]/./g'] |
1034	+	tr -d '
1035	+	' | tr -s '*' '
1036	+	' | fold | sed '$a\
1037	+	' > conftest.dmp
1038	+	$2
1039	+	ifelse($3, , , else
1040	+	$3
1041	+	)dnl
1042	+	fi
1043	+	rm -rf conftest*
1044	+	AC_LANG_RESTORE])
1045	+
1046	+	dnl Floating point format probe.
1047	+	dnl The basic concept is the same as the above: grep the object
1048	+	dnl file for an interesting string.  We have to watch out for
1049	+	dnl rounding changing the values in the object, however; this is
1050	+	dnl handled by ignoring the least significant byte of the float.
1051	+	dnl
1052	+	dnl Does not know about VAX G-float or C4x idiosyncratic format.
1053	+	dnl It does know about PDP-10 idiosyncratic format, but this is
1054	+	dnl not presently supported by GCC.  S/390 "binary floating point"
1055	+	dnl is in fact IEEE (but maybe we should have that in EBCDIC as well
1056	+	dnl as ASCII?)
1057	+	dnl
1058	+	AC_DEFUN([gcc_AC_C_FLOAT_FORMAT],
1059	+	[AC_CACHE_CHECK(floating point format, ac_cv_c_float_format,
1060	+	[gcc_AC_EXAMINE_OBJECT(
1061	+	[/* This will not work unless sizeof(double) == 8.  */
1062	+	extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1];
1063	+
1064	+	/* This structure must have no internal padding.  */
1065	+	struct possibility {
1066	+	char prefix[8];
1067	+	double candidate;
1068	+	char postfix[8];
1069	+	};
1070	+
1071	+	#define C(cand) { "\nformat:", cand, ":tamrof\n" }
1072	+	struct possibility table [] =
1073	+	{
1074	+	C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */
1075	+	C( 3.53802595280598432000e+18), /* D__float - VAX */
1076	+	C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */
1077	+	C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */
1078	+	C(-5.22995989424860458374e+10)  /* IBMHEXFP - s/390 format, EBCDIC */
1079	+	};],
1080	+	[if   grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1081	+	ac_cv_c_float_format='IEEE (big-endian)'
1082	+	elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then
1083	+	ac_cv_c_float_format='IEEE (big-endian)'
1084	+	elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then
1085	+	ac_cv_c_float_format='IEEE (little-endian)'
1086	+	elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then
1087	+	ac_cv_c_float_format='IEEE (little-endian)'
1088	+	elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then
1089	+	ac_cv_c_float_format='VAX D-float'
1090	+	elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then
1091	+	ac_cv_c_float_format='PDP-10'
1092	+	elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1093	+	ac_cv_c_float_format='IBM 370 hex'
1094	+	else
1095	+	AC_MSG_ERROR(Unknown floating point format)
1096	+	fi],
1097	+	[AC_MSG_ERROR(compile failed)])
1098	+	])
1099	+	# IEEE is the default format.  If the float endianness isn't the same
1100	+	# as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN
1101	+	# (which is a tristate: yes, no, default).  This is only an issue with
1102	+	# IEEE; the other formats are only supported by a few machines each,
1103	+	# all with the same endianness.
1104	+	format=IEEE_FLOAT_FORMAT
1105	+	fbigend=
1106	+	case $ac_cv_c_float_format in
1107	+	'IEEE (big-endian)' )
1108	+	if test $ac_cv_c_bigendian = no; then
1109	+	fbigend=1
1110	+	fi
1111	+	;;
1112	+	'IEEE (little-endian)' )
1113	+	if test $ac_cv_c_bigendian = yes; then
1114	+	fbigend=0
1115	+	fi
1116	+	;;
1117	+	'VAX D-float' )
1118	+	format=VAX_FLOAT_FORMAT
1119	+	;;
1120	+	'PDP-10' )
1121	+	format=PDP10_FLOAT_FORMAT
1122	+	;;
1123	+	'IBM 370 hex' )
1124	+	format=IBM_FLOAT_FORMAT
1125	+	;;
1126	+	esac
1127	+	AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format,
1128	+	[Define to the floating point format of the host machine.])
1129	+	if test -n "$fbigend"; then
1130	+	AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend,
1131	+	[Define to 1 if the host machine stores floating point numbers in
1132	+	memory with the word containing the sign bit at the lowest address,
1133	+	or to 0 if it does it the other way around.
1134	+
1135	+	This macro should not be defined if the ordering is the same as for
1136	+	multi-word integers.])
1137	+	fi
1138	+	])
1139	+
1140	+	dnl Check for host float format
1141	+	gcc_AC_C_FLOAT_FORMAT
1142	+
1143		dnl Platform specific binary postprocessor
1144		AC_PATH_PROG(BLESS, "true")
1145		if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then
#	Line 776 | Line 1173 | if $CXX -V -v 2>&1 | grep -q "Intel(R) C
1173		fi
1174		AC_MSG_RESULT($HAVE_ICC)
1175
1176	<	# Test if the compiler can generate ELF objects
1177	<	AC_CACHE_CHECK([whether the compiler can generate ELF objects],
1178	<	ac_cv_elf_objects, [
1176	>	dnl Determine the generated object format
1177	>	AC_CACHE_CHECK([the format of compiler generated objects],
1178	>	ac_cv_object_format, [
1179		echo 'int i;' > conftest.$ac_ext
1180	<	ac_cv_elf_objects=no
1180	>	ac_cv_object_format=no
1181		if AC_TRY_EVAL(ac_compile); then
1182		case `/usr/bin/file conftest.$ac_objext` in
1183		*"ELF"*)
1184	<	ac_cv_elf_objects=yes
1184	>	ac_cv_object_format=elf
1185	>	;;
1186	>	*"Mach-O"*)
1187	>	ac_cv_object_format=mach
1188	>	;;
1189	>	*)
1190	>	ac_cv_object_format=unknown
1191		;;
1192		esac
1193		fi
1194		rm -rf conftest*
1195		])
793	–	ELF_OBJECTS=$ac_cv_elf_objects
1196
1197		dnl CPU emulator sources
1198		if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1199		CPUSRCS="\
1200	+	../kpx_cpu/src/mathlib/ieeefp.cpp \
1201	+	../kpx_cpu/src/mathlib/mathlib.cpp \
1202		../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \
1203		../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \
1204		../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \
#	Line 805 | Line 1209 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1209		if [[ "x$WANT_JIT" = "xyes" ]]; then
1210		AC_CACHE_CHECK([whether dyngen can be used],
1211		ac_cv_use_dyngen, [
1212	<	case $host_cpu:$ELF_OBJECTS in
1213	<	powerpc:yes)
1212	>	case $host_cpu:$ac_cv_object_format in
1213	>	powerpc:elf)
1214	>	ac_cv_use_dyngen=yes
1215	>	;;
1216	>	x86_64:elf)
1217		ac_cv_use_dyngen=yes
1218		;;
1219	<	x86_64:yes)
1219	>	i?86:elf)
1220		ac_cv_use_dyngen=yes
1221		;;
1222	<	i?86:yes)
1222	>	powerpc:mach)
1223		ac_cv_use_dyngen=yes
1224		;;
1225		*:*)
#	Line 832 | Line 1239 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1239		done
1240		fi
1241		fi
1242	<	if [[ -z "$DYNGEN_CC" ]] || ! { echo '#include <limits>' | $DYNGEN_CC -xc++ -c -o /dev/null - >& /dev/null; }; then
1242	>	if [[ -z "$DYNGEN_CC" ]]; then
1243		ac_cv_use_dyngen=no
1244		fi
1245		])
#	Line 840 | Line 1247 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1247		case $host_cpu in
1248		i?86)
1249		DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2"
843	–	if [[ "x$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
1250		;;
1251	<	x86_64)
1252	<	AC_CHECK_HEADERS(mmintrin.h xmmintrin.h emmintrin.h)
1251	>	powerpc)
1252	>	if [[ "x$ac_cv_object_format" = "xmach" ]]; then
1253	>	DYNGEN_OP_FLAGS="-mdynamic-no-pic"
1254	>	fi
1255		;;
1256		esac
1257	<	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000"
1257	>	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1258	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
1259	>	else
1260	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
1261	>	fi
1262	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000 -fno-exceptions -g0"
1263		if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1264		DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls"
1265		fi
#	Line 884 | Line 1285 | if [[ "x$ac_cv_use_dyngen" = "xyes" ]];
1285		AC_CACHE_CHECK([whether static data regions are executable],
1286		ac_cv_have_static_data_exec, [
1287		AC_TRY_RUN([int main(void) {
1288	<	#if defined(__powerpc__)
1288	>	#if defined(__powerpc__) || defined(__ppc__)
1289		static unsigned int p[8] = {0x4e800020,};
1290		asm volatile("dcbst 0,%0" : : "r" (p) : "memory");
1291		asm volatile("sync" : : : "memory");
#	Line 900 | Line 1301 | if [[ "x$ac_cv_use_dyngen" = "xyes" ]];
1301		ac_cv_have_static_data_exec=no
1302		)
1303		])
1304	+	else
1305	+	ac_cv_use_dyngen=no
1306		fi
1307		AC_TRANSLATE_DEFINE(HAVE_STATIC_DATA_EXEC, "$ac_cv_have_static_data_exec",
1308		[Define if your system marks static data pages as executable.])
#	Line 909 | Line 1312 | if [[ "x$WANT_JIT" = "xyes" ]]; then
1312		fi
1313
1314		dnl Generate Makefile.
1315	+	AC_SUBST(PERL)
1316	+	AC_SUBST(USE_DYNGEN, [$ac_cv_use_dyngen])
1317		AC_SUBST(DYNGENSRCS)
1318		AC_SUBST(DYNGEN_CC)
1319		AC_SUBST(DYNGEN_OP_FLAGS)
#	Line 916 | Line 1321 | AC_SUBST(SYSSRCS)
1321		AC_SUBST(CPUSRCS)
1322		AC_SUBST(BLESS)
1323		AC_SUBST(KEYCODES)
1324	<	AC_OUTPUT(Makefile)
1324	>	AC_OUTPUT([
1325	>	Makefile
1326	>	../MacOSX/Info.plist
1327	>	])
1328
1329		dnl Print summary.
1330		echo
1331		echo SheepShaver configuration summary:
1332		echo
1333		echo SDL support ...................... : $SDL_SUPPORT
1334	+	echo FBDev DGA support ................ : $WANT_FBDEV_DGA
1335		echo XFree86 DGA support .............. : $WANT_XF86_DGA
1336		echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
1337		echo Using PowerPC emulator ........... : $EMULATED_PPC
#	Line 931 | Line 1340 | echo Enable video on SEGV signals .....
1340		echo ESD sound support ................ : $WANT_ESD
1341		echo GTK user interface ............... : $WANT_GTK
1342		echo mon debugger support ............. : $WANT_MON
1343	+	echo Addressing mode .................. : $WANT_ADDRESSING_MODE
1344		echo Bad memory access recovery type .. : $sigsegv_recovery
1345		echo
1346		echo "Configuration done. Now type \"make\"."

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines