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

Comparing BasiliskII/src/Unix/configure.ac (file contents):
Revision 1.57 by gbeauche, 2006-01-15T11:38:41Z vs.
Revision 1.78 by asvitkine, 2010-07-28T01:07:45Z

#	Line 14 | Line 14 | dnl Some systems do not put corefiles in
14		dnl cores for the configure tests since some are intended to dump core.
15		ulimit -c 0
16
17	+	AC_ARG_ENABLE(standalone-gui,[  --enable-standalone-gui enable a standalone GUI prefs editor [default=no]], [WANT_STANDALONE_GUI=$enableval], [WANT_STANDALONE_GUI=no])
18	+
19		dnl Video options.
20		AC_ARG_ENABLE(xf86-dga,      [  --enable-xf86-dga       use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes])
21		AC_ARG_ENABLE(xf86-vidmode,  [  --enable-xf86-vidmode   use the XFree86 VidMode extension [default=yes]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=yes])
#	Line 24 | Line 26 | dnl SDL options.
26		AC_ARG_ENABLE(sdl-static,    [  --enable-sdl-static     use SDL static libraries for linking [default=no]], [WANT_SDL_STATIC=$enableval], [WANT_SDL_STATIC=no])
27		AC_ARG_ENABLE(sdl-video,     [  --enable-sdl-video      use SDL for video graphics [default=no]], [WANT_SDL_VIDEO=$enableval], [WANT_SDL_VIDEO=no])
28		AC_ARG_ENABLE(sdl-audio,     [  --enable-sdl-audio      use SDL for audio [default=no]], [WANT_SDL_AUDIO=$enableval], [WANT_SDL_AUDIO=no])
29	+	AC_ARG_ENABLE(sdl-framework,    [  --enable-sdl-framework  use SDL framework [default=no]], [WANT_SDL_FRAMEWORK=$enableval], [WANT_SDL_FRAMEWORK=no])
30	+	AC_ARG_ENABLE(sdl-framework-prefix,    [  --enable-sdl-framework-prefix=PFX    default=/Library/Frameworks], [SDL_FRAMEWORK="$enableval"], [SDL_FRAMEWORK=/Library/Frameworks])
31
32		dnl JIT compiler options.
33		AC_ARG_ENABLE(jit-compiler,  [  --enable-jit-compiler   enable JIT compiler [default=no]], [WANT_JIT=$enableval], [WANT_JIT=no])
#	Line 99 | Line 103 | case "$target_cpu" in
103		x86_64* ) HAVE_X86_64=yes;;
104		esac
105
106	+	dnl Check if we should really be assuming x86_64 even if we detected HAVE_I386 above.
107	+	if [[ "x$HAVE_I386" = "xyes" ]]; then
108	+	AC_TRY_RUN([
109	+	int main(void) {
110	+	#if defined(__x86_64__)
111	+	return 0;
112	+	#else
113	+	return 1;
114	+	#endif
115	+	}
116	+	], [
117	+	HAVE_I386=no
118	+	HAVE_X86_64=yes
119	+	])
120	+	fi
121	+
122	+	dnl Check if we should really be assuming x86_64 even if we detected HAVE_I386 above.
123	+	if [[ "x$HAVE_I386" = "xyes" ]]; then
124	+	AC_TRY_RUN([
125	+	int main(void) {
126	+	#if defined(__x86_64__)
127	+	return 0;
128	+	#else
129	+	return 1;
130	+	#endif
131	+	}
132	+	], [
133	+	HAVE_I386=no
134	+	HAVE_X86_64=yes
135	+	])
136	+	fi
137	+
138		dnl Checks for programs.
139		AC_PROG_CC
140		AC_PROG_CC_C_O
#	Line 116 | Line 152 | if [[ "x$WANT_MON" = "xyes" ]]; then
152		if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
153		AC_MSG_RESULT(yes)
154		AC_DEFINE(ENABLE_MON, 1, [Define if using "mon".])
155	<	MONSRCS="$mon_srcdir/mon.cpp $mon_srcdir/mon_6502.cpp $mon_srcdir/mon_z80.cpp $mon_srcdir/mon_cmd.cpp $mon_srcdir/mon_disass.cpp $mon_srcdir/mon_ppc.cpp $mon_srcdir/mon_lowmem.cpp $mon_srcdir/disass/floatformat.c $mon_srcdir/disass/i386-dis.c $mon_srcdir/disass/m68k-dis.c $mon_srcdir/disass/m68k-opc.c"
155	>	MONSRCS="$mon_srcdir/mon.cpp $mon_srcdir/mon_6502.cpp $mon_srcdir/mon_z80.cpp $mon_srcdir/mon_cmd.cpp $mon_srcdir/mon_disass.cpp $mon_srcdir/mon_ppc.cpp $mon_srcdir/mon_lowmem.cpp $mon_srcdir/disass/floatformat.c $mon_srcdir/disass/i386-dis.c $mon_srcdir/disass/m68k-dis.c $mon_srcdir/disass/m68k-opc.c $mon_srcdir/disass/mips-dis.c $mon_srcdir/disass/mips-opc.c $mon_srcdir/disass/mips16-opc.c"
156		CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass"
157		AC_CHECK_LIB(ncurses, tgetent, ,
158	<	AC_CHECK_LIB(termcap, tgetent, ,
159	<	AC_CHECK_LIB(termlib, tgetent, ,
160	<	AC_CHECK_LIB(terminfo, tgetent, ,
161	<	AC_CHECK_LIB(Hcurses, tgetent, ,
162	<	AC_CHECK_LIB(curses, tgetent))))))
158	>	[AC_CHECK_LIB(termcap, tgetent, ,
159	>	[AC_CHECK_LIB(termlib, tgetent, ,
160	>	[AC_CHECK_LIB(terminfo, tgetent, ,
161	>	[AC_CHECK_LIB(Hcurses, tgetent, ,
162	>	[AC_CHECK_LIB(curses, tgetent)])])])])])
163		AC_CHECK_LIB(readline, readline)
164		else
165		AC_MSG_RESULT(no)
#	Line 138 | Line 174 | AC_CHECK_LIB(rt, timer_create)
174		AC_CHECK_LIB(rt, shm_open)
175		AC_CHECK_LIB(m, cos)
176
177	+	dnl AC_CHECK_SDLFRAMEWORK($1=NAME, $2=INCLUDES)
178	+	dnl AC_TRY_LINK uses main() but SDL needs main to take args,
179	+	dnl therefore main is undefined with #undef.
180	+	dnl Framework can be in an custom location.
181	+	AC_DEFUN([AC_CHECK_SDLFRAMEWORK], [
182	+	AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])
183	+	AC_CACHE_CHECK([whether compiler supports framework $1],
184	+	ac_Framework, [
185	+	saved_LIBS="$LIBS"
186	+	LIBS="$LIBS -framework $1"
187	+	if [[ "x$SDL_FRAMEWORK" != "x/Library/Frameworks" ]]; then
188	+	if [[ "x$SDL_FRAMEWORK" != "x/System/Library/Frameworks" ]]; then
189	+	LIBS="$saved_LIBS -F$SDL_FRAMEWORK -framework $1"
190	+	fi
191	+	fi
192	+	saved_CPPFLAGS="$CPPFLAGS"
193	+	CPPFLAGS="$CPPFLAGS -I$SDL_FRAMEWORK/SDL.framework/Headers"
194	+	AC_TRY_LINK(
195	+	[$2
196	+	#undef main], [],
197	+	[AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no);
198	+	LIBS="$saved_LIBS"; CPPFLAGS="$saved_CPPFLAGS"]
199	+	)
200	+	])
201	+	AS_IF([test AS_VAR_GET(ac_Framework) = yes],
202	+	[AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])]
203	+	)
204	+	AS_VAR_POPDEF([ac_Framework])
205	+	])
206	+
207		dnl Do we need SDL?
208		WANT_SDL=no
209		if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
#	Line 152 | Line 218 | if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; th
218		SDL_SUPPORT="$SDL_SUPPORT audio"
219		fi
220		if [[ "x$WANT_SDL" = "xyes" ]]; then
221	<	AC_PATH_PROG(sdl_config, "sdl-config")
222	<	if [[ -n "$sdl_config" ]]; then
157	<	case $target_os in
158	<	# Special treatment for Cygwin so that we can still use the POSIX layer
159	<	*cygwin*)
160	<	sdl_cflags="-I`$sdl_config --prefix`/include/SDL"
161	<	sdl_libs="-L`$sdl_config --exec-prefix`/lib -lSDL"
162	<	;;
163	<	*)
164	<	sdl_cflags=`$sdl_config --cflags`
165	<	if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
166	<	sdl_libs=`$sdl_config --static-libs`
167	<	else
168	<	sdl_libs=`$sdl_config --libs`
169	<	fi
170	<	;;
171	<	esac
172	<	CFLAGS="$CFLAGS $sdl_cflags"
173	<	CXXFLAGS="$CXXFLAGS $sdl_cflags"
174	<	LIBS="$LIBS $sdl_libs"
221	>	if [[ "x$WANT_SDL_FRAMEWORK" = "xyes" ]]; then
222	>	AC_CHECK_SDLFRAMEWORK(SDL, [#include <SDL.h>])
223		else
224	<	WANT_SDL=no
224	>	ac_cv_framework_SDL=no
225	>	fi
226	>	if [[ "x$ac_cv_framework_SDL" = "xno" ]]; then
227	>	AC_PATH_PROG(sdl_config, "sdl-config")
228	>	if [[ -n "$sdl_config" ]]; then
229	>	case $target_os in
230	>	# Special treatment for Cygwin so that we can still use the POSIX layer
231	>	*cygwin*)
232	>	sdl_cflags="-I`$sdl_config --prefix`/include/SDL"
233	>	sdl_libs="-L`$sdl_config --exec-prefix`/lib -lSDL"
234	>	;;
235	>	*)
236	>	sdl_cflags=`$sdl_config --cflags`
237	>	if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
238	>	sdl_libs=`$sdl_config --static-libs`
239	>	else
240	>	sdl_libs=`$sdl_config --libs`
241	>	fi
242	>	;;
243	>	esac
244	>	CFLAGS="$CFLAGS $sdl_cflags"
245	>	CXXFLAGS="$CXXFLAGS $sdl_cflags"
246	>	LIBS="$LIBS $sdl_libs"
247	>	else
248	>	WANT_SDL=no
249	>	fi
250		fi
251		SDL_SUPPORT=`echo "$SDL_SUPPORT" | sed -e "s/^ //"`
252		else
#	Line 251 | Line 324 | UISRCS=../dummy/prefs_editor_dummy.cpp
324		case "x$WANT_GTK" in
325		xgtk2*)
326		AM_PATH_GTK_2_0(1.3.15, [
327	<	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
328	<	CFLAGS="$CFLAGS $GTK_CFLAGS"
256	<	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
257	<	LIBS="$LIBS $GTK_LIBS"
258	<	UISRCS=prefs_editor_gtk.cpp
327	>	GUI_CFLAGS="$GTK_CFLAGS"
328	>	GUI_LIBS="$GTK_LIBS"
329		WANT_GTK=gtk2
330		], [
331		case "x${WANT_GTK}x" in
#	Line 273 | Line 343 | xgtk2*)
343		esac
344		if [[ "x$WANT_GTK" = "xgtk" ]]; then
345		AM_PATH_GTK(1.2.0, [
346	<	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
347	<	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
278	<	LIBS="$LIBS $GTK_LIBS"
279	<	UISRCS=prefs_editor_gtk.cpp
346	>	GUI_CFLAGS="$GTK_CFLAGS"
347	>	GUI_LIBS="$GTK_LIBS"
348		dnl somehow, <gnome-i18n.h> would redefine gettext() to nothing if
349		dnl ENABLE_NLS is not set, thusly conflicting with C++ <string> which
350		dnl includes <libintl.h>
351		AM_GNU_GETTEXT
352		B2_PATH_GNOMEUI([
353		AC_DEFINE(HAVE_GNOMEUI, 1, [Define if libgnomeui is available.])
354	<	CXXFLAGS="$CXXFLAGS $GNOMEUI_CFLAGS"
355	<	LIBS="$LIBS $GNOMEUI_LIBS"
354	>	GUI_CFLAGS="$GUI_CFLAGS $GNOMEUI_CFLAGS"
355	>	GUI_LIBS="$GUI_LIBS $GNOMEUI_LIBS"
356		], [])
357		], [
358		AC_MSG_WARN([Could not find GTK+, disabling user interface.])
359		WANT_GTK=no
360		])
361		fi
362	+	if [[ "x$WANT_GTK" != "xno" -a "x$WANT_STANDALONE_GUI" = "xno" ]]; then
363	+	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
364	+	UISRCS=prefs_editor_gtk.cpp
365	+	fi
366	+	AC_SUBST(GUI_CFLAGS)
367	+	AC_SUBST(GUI_LIBS)
368	+
369	+	dnl Build external GUI if requested.
370	+	if [[ "$WANT_STANDALONE_GUI" != "yes" ]]; then
371	+	WANT_STANDALONE_GUI=no
372	+	fi
373	+	if [[ "$WANT_GTK" = "no" ]]; then
374	+	WANT_STANDALONE_GUI=no
375	+	fi
376	+	AC_SUBST(STANDALONE_GUI, [$WANT_STANDALONE_GUI])
377
378		dnl We use ESD if possible.
379		if [[ "x$WANT_ESD" = "xyes" ]]; then
#	Line 400 | Line 483 | mips-sony-bsd|mips-sony-newsos4)
483		*-*-cygwin*)
484		no_dev_ptmx=1
485		;;
486	+	*-*-darwin*)
487	+	no_dev_ptmx=1
488	+	;;
489		esac
490
491		if test -z "$no_dev_ptmx" ; then
#	Line 418 | Line 504 | AC_CHECK_FILE([/dev/ptc],
504		have_dev_ptc=1
505		]
506		)
421	–
507		dnl (end of code from openssh-3.2.2p1 configure.ac)
508
509	+	dnl Check for systems where POSIX-style non-blocking I/O (O_NONBLOCK)
510	+	dnl doesn't work or is unimplemented. On these systems (mostly older
511	+	dnl ones), use the old BSD-style FIONBIO approach instead. [tcl.m4]
512	+	AC_CACHE_CHECK([FIONBIO vs. O_NONBLOCK for non-blocking I/O],
513	+	ac_cv_nonblocking_io, [
514	+	case "$host" in
515	+	*-*-osf*)
516	+	ac_cv_nonblocking_io=FIONBIO
517	+	;;
518	+	*-*-sunos4*)
519	+	ac_cv_nonblocking_io=FIONBIO
520	+	;;
521	+	*-*-ultrix*)
522	+	ac_cv_nonblocking_io=FIONBIO
523	+	;;
524	+	*)
525	+	ac_cv_nonblocking_io=O_NONBLOCK
526	+	;;
527	+	esac
528	+	])
529	+	if [[ "$ac_cv_nonblocking_io" = "FIONBIO" ]]; then
530	+	AC_DEFINE(USE_FIONBIO, 1, [Define if BSD-style non-blocking I/O is to be used])
531	+	fi
532	+
533	+	dnl Check whether compiler supports byte bit-fields
534	+	AC_CACHE_CHECK([whether compiler supports byte bit-fields],
535	+	ac_cv_have_byte_bitfields, [
536	+	AC_LANG_SAVE
537	+	AC_LANG_CPLUSPLUS
538	+	AC_TRY_RUN([
539	+	struct A {
540	+	unsigned char b1:4;
541	+	unsigned char b2:4;
542	+	unsigned char c;
543	+	unsigned short s;
544	+	unsigned char a[4];
545	+	};
546	+
547	+	int main(void) {
548	+	A a;
549	+	return ! (sizeof(A) == 8 && &a.c == ((unsigned char *)&a + 1));
550	+	}],
551	+	[ac_cv_have_byte_bitfields=yes],
552	+	[ac_cv_have_byte_bitfields=no],
553	+	dnl When cross-compiling, assume only GCC supports this
554	+	[if [[ "$GCC" = "yes" ]]; then
555	+	ac_cv_have_byte_bitfields="guessing yes"
556	+	else
557	+	ac_cv_have_byte_bitfields="guessing no"
558	+	fi]
559	+	)
560	+	AC_LANG_RESTORE
561	+	])
562
563		dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
564		AC_DEFUN([AC_CHECK_FRAMEWORK], [
#	Line 441 | Line 579 | AC_DEFUN([AC_CHECK_FRAMEWORK], [
579		])
580
581		dnl Check for some MacOS X frameworks
582	+	AC_CHECK_FRAMEWORK(AppKit, [])
583		AC_CHECK_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>])
584		AC_CHECK_FRAMEWORK(IOKit, [#include <IOKit/IOKitLib.h>])
585		AC_CHECK_FRAMEWORK(CoreFoundation, [#include <CoreFoundation/CoreFoundation.h>])
#	Line 491 | Line 630 | solaris*)
630		DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
631		;;
632		irix*)
494	–	ETHERSRC=ether_unix.cpp
633		AUDIOSRC=Irix/audio_irix.cpp
634		EXTRASYSSRCS=Irix/unaligned.c
635		LIBS="$LIBS -laudio"
#	Line 514 | Line 652 | darwin*)
652		EXTRASYSSRCS="../MacOSX/sys_darwin.cpp"
653		fi
654		if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
655	<	EXTFSSRC=../MacOSX/extfs_macosx.mm
655	>	EXTFSSRC=../MacOSX/extfs_macosx.cpp
656		fi
657		;;
658		cygwin*)
#	Line 524 | Line 662 | cygwin*)
662		esac
663
664		dnl Is the slirp library supported?
665	<	if [[ "x$ETHERSRC" = "xether_unix.cpp" ]]; then
665	>	case "$ac_cv_have_byte_bitfields" in
666	>	yes|"guessing yes")
667	>	CAN_SLIRP=yes
668	>	ETHERSRC=ether_unix.cpp
669	>	;;
670	>	esac
671	>	if [[ -n "$CAN_SLIRP" ]]; then
672		AC_DEFINE(HAVE_SLIRP, 1, [Define if slirp library is supported])
673		SLIRP_SRCS="\
674		../slirp/bootp.c     ../slirp/ip_output.c  ../slirp/tcp_input.c  \
#	Line 539 | Line 683 | AC_SUBST(SLIRP_SRCS)
683		dnl SDL overrides
684		if [[ "x$WANT_SDL" = "xyes" ]]; then
685		AC_DEFINE(USE_SDL, 1, [Define to enble SDL support])
686	+	if [[ "x$WANT_SDL_FRAMEWORK" = "xyes" ]]; then
687	+	EXTRASYSSRCS="$EXTRASYSSRCS ../SDL/SDLMain.m"
688	+	fi
689		fi
690		if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
691		AC_DEFINE(USE_SDL_VIDEO, 1, [Define to enable SDL video graphics support])
#	Line 798 | Line 945 | AC_CACHE_CHECK([whether we can map Low M
945		]
946		)
947
801	–	dnl Check if we have POSIX shared memory support
802	–	AC_CACHE_CHECK([whether POSIX shared memory is working],
803	–	ac_cv_have_posix_shm, [
804	–	AC_LANG_SAVE
805	–	AC_LANG_CPLUSPLUS
806	–	AC_TRY_RUN([
807	–	#define HAVE_POSIX_SHM
808	–	#include "vm_alloc.cpp"
809	–	int main(void) { /* returns 0 if we have working POSIX shm */
810	–	if (vm_init() < 0) exit(2);
811	–	char *m1 = (char *)vm_acquire(32768, VM_MAP_DEFAULT | VM_MAP_33BIT);
812	–	if (m1 == VM_MAP_FAILED) exit(3);
813	–	vm_exit(); exit(0);
814	–	}
815	–	], ac_cv_have_posix_shm=yes, ac_cv_have_posix_shm=no,
816	–	dnl When cross-compiling, do not assume anything.
817	–	ac_cv_have_posix_shm="guessing no"
818	–	)
819	–	AC_LANG_RESTORE
820	–	]
821	–	)
822	–	AC_TRANSLATE_DEFINE(HAVE_POSIX_SHM, "$ac_cv_have_posix_shm",
823	–	[Define if your system supports POSIX shared memory.])
824	–
825	–	dnl Check if we have working 33-bit memory addressing
826	–	AC_CACHE_CHECK([whether 33-bit memory addressing is working],
827	–	ac_cv_have_33bit_addressing, [
828	–	AC_LANG_SAVE
829	–	AC_LANG_CPLUSPLUS
830	–	AC_TRY_RUN([
831	–	#define USE_33BIT_ADDRESSING 1
832	–	#include "vm_alloc.cpp"
833	–	int main(void) { /* returns 0 if we have working 33-bit addressing */
834	–	if (sizeof(void *) < 8) exit(1);
835	–	if (vm_init() < 0) exit(2);
836	–	char *m1 = (char *)vm_acquire(32768, VM_MAP_DEFAULT | VM_MAP_33BIT);
837	–	if (m1 == VM_MAP_FAILED) exit(3);
838	–	char *m2 = m1 + (1L << 32);
839	–	m1[0] = 0x12; if (m2[0] != 0x12) exit(4);
840	–	m2[0] = 0x34; if (m1[0] != 0x34) exit(5);
841	–	vm_exit(); exit(0);
842	–	}
843	–	], ac_cv_have_33bit_addressing=yes, ac_cv_have_33bit_addressing=no,
844	–	dnl When cross-compiling, do not assume anything.
845	–	ac_cv_have_33bit_addressing="guessing no"
846	–	)
847	–	AC_LANG_RESTORE
848	–	]
849	–	)
850	–
948		dnl Check signal handlers need to be reinstalled
949		AC_CACHE_CHECK([whether signal handlers need to be reinstalled],
950		ac_cv_signal_need_reinstall, [
#	Line 915 | Line 1012 | AC_CACHE_CHECK([whether your system supp
1012		AC_LANG_SAVE
1013		AC_LANG_CPLUSPLUS
1014		AC_TRY_RUN([
1015	+	#define HAVE_MACH_VM 1
1016	+	#define HAVE_MACH_TASK_SELF 1
1017		#define HAVE_MACH_EXCEPTIONS 1
1018		#define CONFIGURE_TEST_SIGSEGV_RECOVERY
1019		#include "vm_alloc.cpp"
#	Line 1037 | Line 1136 | fi
1136		dnl A dummy program that returns always true
1137		AC_PATH_PROG([BLESS], "true")
1138
1139	+	dnl Check for linker script support
1140	+	case $target_os:$target_cpu in
1141	+	linux*:i?86)    LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1142	+	linux*:x86_64)  LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-x86_64.ld";;
1143	+	linux*:powerpc) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-ppc.ld";;
1144	+	netbsd*:i?86)   LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1145	+	freebsd*:i?86)  LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/freebsd-i386.ld";;
1146	+	darwin*:*)      LINKER_SCRIPT_FLAGS="-Wl,-seg1addr,0x78048000";;
1147	+	esac
1148	+	if [[ -n "$LINKER_SCRIPT_FLAGS" ]]; then
1149	+	AC_CACHE_CHECK([whether linker script is usable],
1150	+	ac_cv_linker_script_works, [
1151	+	AC_LANG_SAVE
1152	+	AC_LANG_CPLUSPLUS
1153	+	saved_LDFLAGS="$LDFLAGS"
1154	+	LDFLAGS="$LDFLAGS $LINKER_SCRIPT_FLAGS"
1155	+	AC_TRY_RUN(
1156	+	[int main() {if ((char *)&main < (char *)0x70000000) return 1;}],
1157	+	[ac_cv_linker_script_works=yes],
1158	+	[ac_cv_linker_script_works=no],
1159	+	dnl When cross-compiling, assume it works
1160	+	[ac_cv_linker_script_works="guessing yes"]
1161	+	)
1162	+	AC_LANG_RESTORE
1163	+	if [[ "$ac_cv_linker_script_works" = "no" ]]; then
1164	+	LDFLAGS="$saved_LDFLAGS"
1165	+	LINKER_SCRIPT_FLAGS=""
1166	+	fi
1167	+	])
1168	+	fi
1169	+	AC_TRANSLATE_DEFINE(HAVE_LINKER_SCRIPT, "$ac_cv_linker_script_works",
1170	+	[Define if there is a linker script to relocate the executable above 0x70000000.])
1171	+
1172		dnl Determine the addressing mode to use
1173		if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
1174		ADDRESSING_MODE="real"
#	Line 1224 | Line 1356 | if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE
1356		DEFINES="$DEFINES -DUNALIGNED_PROFITABLE -DREGPARAM=\"__attribute__((regparm(3)))\""
1357		if [[ "x$HAVE_GAS" = "xyes" ]]; then
1358		ASM_OPTIMIZATIONS=i386
1359	<	DEFINES="$DEFINES -DX86_ASSEMBLY -DOPTIMIZED_FLAGS -DSAHF_SETO_PROFITABLE"
1359	>	DEFINES="-m32 $DEFINES -DX86_ASSEMBLY -DOPTIMIZED_FLAGS -DSAHF_SETO_PROFITABLE"
1360		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 $JITSRCS"
1361		CAN_JIT=yes
1362		fi
#	Line 1233 | Line 1365 | elif [[ "x$HAVE_GCC30" = "xyes" -a "x$HA
1365		DEFINES="$DEFINES -DUNALIGNED_PROFITABLE"
1366		if [[ "x$HAVE_GAS" = "xyes" ]]; then
1367		ASM_OPTIMIZATIONS="x86-64"
1368	<	DEFINES="$DEFINES -DX86_64_ASSEMBLY -DOPTIMIZED_FLAGS"
1368	>	DEFINES="-m64 $DEFINES -DX86_64_ASSEMBLY -DOPTIMIZED_FLAGS"
1369		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 $JITSRCS"
1370		CAN_JIT=yes
1239	–	WANT_33BIT_ADDRESSING=yes
1371		fi
1372		elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
1373		dnl SPARC CPU
#	Line 1293 | Line 1424 | else
1424		JITSRCS=""
1425		fi
1426
1296	–	dnl Use 33-bit memory addressing?
1297	–	if [[ "$ac_cv_have_33bit_addressing:$WANT_33BIT_ADDRESSING" = "yes:yes" ]]; then
1298	–	use_33bit_addressing=yes
1299	–	fi
1300	–	AC_TRANSLATE_DEFINE(USE_33BIT_ADDRESSING, "$use_33bit_addressing",
1301	–	[Define to use 33-bit memory addressing on 64-bit JIT capable systems.])
1302	–
1427		dnl Utility macro used by next two tests.
1428		dnl AC_EXAMINE_OBJECT(C source code,
1429		dnl     commands examining object file,

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