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

Comparing BasiliskII/src/Unix/configure.ac (file contents):
Revision 1.56 by gbeauche, 2005-12-04T15:45:09Z vs.
Revision 1.77 by asvitkine, 2010-07-27T22:52:33Z

#	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=$enableval], [WANT_JIT=no])
#	Line 116 | Line 120 | if [[ "x$WANT_MON" = "xyes" ]]; then
120		if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
121		AC_MSG_RESULT(yes)
122		AC_DEFINE(ENABLE_MON, 1, [Define if using "mon".])
123	<	MONSRCS="$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 $mon_srcdir/disass/m68k-opc.c"
123	>	MONSRCS="$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 $mon_srcdir/disass/mips16-opc.c"
124		CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass"
125		AC_CHECK_LIB(ncurses, tgetent, ,
126	<	AC_CHECK_LIB(termcap, tgetent, ,
127	<	AC_CHECK_LIB(termlib, tgetent, ,
128	<	AC_CHECK_LIB(terminfo, tgetent, ,
129	<	AC_CHECK_LIB(Hcurses, tgetent, ,
130	<	AC_CHECK_LIB(curses, tgetent))))))
126	>	[AC_CHECK_LIB(termcap, tgetent, ,
127	>	[AC_CHECK_LIB(termlib, tgetent, ,
128	>	[AC_CHECK_LIB(terminfo, tgetent, ,
129	>	[AC_CHECK_LIB(Hcurses, tgetent, ,
130	>	[AC_CHECK_LIB(curses, tgetent)])])])])])
131		AC_CHECK_LIB(readline, readline)
132		else
133		AC_MSG_RESULT(no)
#	Line 138 | Line 142 | AC_CHECK_LIB(rt, timer_create)
142		AC_CHECK_LIB(rt, shm_open)
143		AC_CHECK_LIB(m, cos)
144
145	+	dnl AC_CHECK_SDLFRAMEWORK($1=NAME, $2=INCLUDES)
146	+	dnl AC_TRY_LINK uses main() but SDL needs main to take args,
147	+	dnl therefore main is undefined with #undef.
148	+	dnl Framework can be in an custom location.
149	+	AC_DEFUN([AC_CHECK_SDLFRAMEWORK], [
150	+	AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])
151	+	AC_CACHE_CHECK([whether compiler supports framework $1],
152	+	ac_Framework, [
153	+	saved_LIBS="$LIBS"
154	+	LIBS="$LIBS -framework $1"
155	+	if [[ "x$SDL_FRAMEWORK" != "x/Library/Frameworks" ]]; then
156	+	if [[ "x$SDL_FRAMEWORK" != "x/System/Library/Frameworks" ]]; then
157	+	LIBS="$saved_LIBS -F$SDL_FRAMEWORK -framework $1"
158	+	fi
159	+	fi
160	+	saved_CPPFLAGS="$CPPFLAGS"
161	+	CPPFLAGS="$CPPFLAGS -I$SDL_FRAMEWORK/SDL.framework/Headers"
162	+	AC_TRY_LINK(
163	+	[$2
164	+	#undef main], [],
165	+	[AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no);
166	+	LIBS="$saved_LIBS"; CPPFLAGS="$saved_CPPFLAGS"]
167	+	)
168	+	])
169	+	AS_IF([test AS_VAR_GET(ac_Framework) = yes],
170	+	[AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])]
171	+	)
172	+	AS_VAR_POPDEF([ac_Framework])
173	+	])
174	+
175		dnl Do we need SDL?
176		WANT_SDL=no
177		if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
#	Line 152 | Line 186 | if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; th
186		SDL_SUPPORT="$SDL_SUPPORT audio"
187		fi
188		if [[ "x$WANT_SDL" = "xyes" ]]; then
189	<	AC_PATH_PROG(sdl_config, "sdl-config")
190	<	if [[ -n "$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 $sdl_libs"
189	>	if [[ "x$WANT_SDL_FRAMEWORK" = "xyes" ]]; then
190	>	AC_CHECK_SDLFRAMEWORK(SDL, [#include <SDL.h>])
191		else
192	<	WANT_SDL=no
192	>	ac_cv_framework_SDL=no
193	>	fi
194	>	if [[ "x$ac_cv_framework_SDL" = "xno" ]]; then
195	>	AC_PATH_PROG(sdl_config, "sdl-config")
196	>	if [[ -n "$sdl_config" ]]; then
197	>	case $target_os in
198	>	# Special treatment for Cygwin so that we can still use the POSIX layer
199	>	*cygwin*)
200	>	sdl_cflags="-I`$sdl_config --prefix`/include/SDL"
201	>	sdl_libs="-L`$sdl_config --exec-prefix`/lib -lSDL"
202	>	;;
203	>	*)
204	>	sdl_cflags=`$sdl_config --cflags`
205	>	if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
206	>	sdl_libs=`$sdl_config --static-libs`
207	>	else
208	>	sdl_libs=`$sdl_config --libs`
209	>	fi
210	>	;;
211	>	esac
212	>	CFLAGS="$CFLAGS $sdl_cflags"
213	>	CXXFLAGS="$CXXFLAGS $sdl_cflags"
214	>	LIBS="$LIBS $sdl_libs"
215	>	else
216	>	WANT_SDL=no
217	>	fi
218		fi
219		SDL_SUPPORT=`echo "$SDL_SUPPORT" | sed -e "s/^ //"`
220		else
#	Line 251 | Line 292 | UISRCS=../dummy/prefs_editor_dummy.cpp
292		case "x$WANT_GTK" in
293		xgtk2*)
294		AM_PATH_GTK_2_0(1.3.15, [
295	<	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
296	<	CFLAGS="$CFLAGS $GTK_CFLAGS"
256	<	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
257	<	LIBS="$LIBS $GTK_LIBS"
258	<	UISRCS=prefs_editor_gtk.cpp
295	>	GUI_CFLAGS="$GTK_CFLAGS"
296	>	GUI_LIBS="$GTK_LIBS"
297		WANT_GTK=gtk2
298		], [
299		case "x${WANT_GTK}x" in
#	Line 273 | Line 311 | xgtk2*)
311		esac
312		if [[ "x$WANT_GTK" = "xgtk" ]]; then
313		AM_PATH_GTK(1.2.0, [
314	<	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
315	<	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
278	<	LIBS="$LIBS $GTK_LIBS"
279	<	UISRCS=prefs_editor_gtk.cpp
314	>	GUI_CFLAGS="$GTK_CFLAGS"
315	>	GUI_LIBS="$GTK_LIBS"
316		dnl somehow, <gnome-i18n.h> would redefine gettext() to nothing if
317		dnl ENABLE_NLS is not set, thusly conflicting with C++ <string> which
318		dnl includes <libintl.h>
319		AM_GNU_GETTEXT
320		B2_PATH_GNOMEUI([
321		AC_DEFINE(HAVE_GNOMEUI, 1, [Define if libgnomeui is available.])
322	<	CXXFLAGS="$CXXFLAGS $GNOMEUI_CFLAGS"
323	<	LIBS="$LIBS $GNOMEUI_LIBS"
322	>	GUI_CFLAGS="$GUI_CFLAGS $GNOMEUI_CFLAGS"
323	>	GUI_LIBS="$GUI_LIBS $GNOMEUI_LIBS"
324		], [])
325		], [
326		AC_MSG_WARN([Could not find GTK+, disabling user interface.])
327		WANT_GTK=no
328		])
329		fi
330	+	if [[ "x$WANT_GTK" != "xno" -a "x$WANT_STANDALONE_GUI" = "xno" ]]; then
331	+	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
332	+	UISRCS=prefs_editor_gtk.cpp
333	+	fi
334	+	AC_SUBST(GUI_CFLAGS)
335	+	AC_SUBST(GUI_LIBS)
336	+
337	+	dnl Build external GUI if requested.
338	+	if [[ "$WANT_STANDALONE_GUI" != "yes" ]]; then
339	+	WANT_STANDALONE_GUI=no
340	+	fi
341	+	if [[ "$WANT_GTK" = "no" ]]; then
342	+	WANT_STANDALONE_GUI=no
343	+	fi
344	+	AC_SUBST(STANDALONE_GUI, [$WANT_STANDALONE_GUI])
345
346		dnl We use ESD if possible.
347		if [[ "x$WANT_ESD" = "xyes" ]]; then
#	Line 400 | Line 451 | mips-sony-bsd|mips-sony-newsos4)
451		*-*-cygwin*)
452		no_dev_ptmx=1
453		;;
454	+	*-*-darwin*)
455	+	no_dev_ptmx=1
456	+	;;
457		esac
458
459		if test -z "$no_dev_ptmx" ; then
#	Line 418 | Line 472 | AC_CHECK_FILE([/dev/ptc],
472		have_dev_ptc=1
473		]
474		)
421	–
475		dnl (end of code from openssh-3.2.2p1 configure.ac)
476
477	+	dnl Check for systems where POSIX-style non-blocking I/O (O_NONBLOCK)
478	+	dnl doesn't work or is unimplemented. On these systems (mostly older
479	+	dnl ones), use the old BSD-style FIONBIO approach instead. [tcl.m4]
480	+	AC_CACHE_CHECK([FIONBIO vs. O_NONBLOCK for non-blocking I/O],
481	+	ac_cv_nonblocking_io, [
482	+	case "$host" in
483	+	*-*-osf*)
484	+	ac_cv_nonblocking_io=FIONBIO
485	+	;;
486	+	*-*-sunos4*)
487	+	ac_cv_nonblocking_io=FIONBIO
488	+	;;
489	+	*-*-ultrix*)
490	+	ac_cv_nonblocking_io=FIONBIO
491	+	;;
492	+	*)
493	+	ac_cv_nonblocking_io=O_NONBLOCK
494	+	;;
495	+	esac
496	+	])
497	+	if [[ "$ac_cv_nonblocking_io" = "FIONBIO" ]]; then
498	+	AC_DEFINE(USE_FIONBIO, 1, [Define if BSD-style non-blocking I/O is to be used])
499	+	fi
500	+
501	+	dnl Check whether compiler supports byte bit-fields
502	+	AC_CACHE_CHECK([whether compiler supports byte bit-fields],
503	+	ac_cv_have_byte_bitfields, [
504	+	AC_LANG_SAVE
505	+	AC_LANG_CPLUSPLUS
506	+	AC_TRY_RUN([
507	+	struct A {
508	+	unsigned char b1:4;
509	+	unsigned char b2:4;
510	+	unsigned char c;
511	+	unsigned short s;
512	+	unsigned char a[4];
513	+	};
514	+
515	+	int main(void) {
516	+	A a;
517	+	return ! (sizeof(A) == 8 && &a.c == ((unsigned char *)&a + 1));
518	+	}],
519	+	[ac_cv_have_byte_bitfields=yes],
520	+	[ac_cv_have_byte_bitfields=no],
521	+	dnl When cross-compiling, assume only GCC supports this
522	+	[if [[ "$GCC" = "yes" ]]; then
523	+	ac_cv_have_byte_bitfields="guessing yes"
524	+	else
525	+	ac_cv_have_byte_bitfields="guessing no"
526	+	fi]
527	+	)
528	+	AC_LANG_RESTORE
529	+	])
530
531		dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
532		AC_DEFUN([AC_CHECK_FRAMEWORK], [
#	Line 430 | Line 536 | AC_DEFUN([AC_CHECK_FRAMEWORK], [
536		saved_LIBS="$LIBS"
537		LIBS="$LIBS -framework $1"
538		AC_TRY_LINK(
539	<	[$2], [int main(void) { return 0; }],
539	>	[$2], [],
540		[AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
541		)
542		])
#	Line 441 | Line 547 | AC_DEFUN([AC_CHECK_FRAMEWORK], [
547		])
548
549		dnl Check for some MacOS X frameworks
550	+	AC_CHECK_FRAMEWORK(AppKit, [])
551		AC_CHECK_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>])
552		AC_CHECK_FRAMEWORK(IOKit, [#include <IOKit/IOKitLib.h>])
553		AC_CHECK_FRAMEWORK(CoreFoundation, [#include <CoreFoundation/CoreFoundation.h>])
#	Line 491 | Line 598 | solaris*)
598		DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
599		;;
600		irix*)
494	–	ETHERSRC=ether_unix.cpp
601		AUDIOSRC=Irix/audio_irix.cpp
602		EXTRASYSSRCS=Irix/unaligned.c
603		LIBS="$LIBS -laudio"
#	Line 514 | Line 620 | darwin*)
620		EXTRASYSSRCS="../MacOSX/sys_darwin.cpp"
621		fi
622		if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
623	<	EXTFSSRC=../MacOSX/extfs_macosx.mm
623	>	EXTFSSRC=../MacOSX/extfs_macosx.cpp
624		fi
625		;;
626		cygwin*)
#	Line 524 | Line 630 | cygwin*)
630		esac
631
632		dnl Is the slirp library supported?
633	<	if [[ "x$ETHERSRC" = "xether_unix.cpp" ]]; then
633	>	case "$ac_cv_have_byte_bitfields" in
634	>	yes|"guessing yes")
635	>	CAN_SLIRP=yes
636	>	ETHERSRC=ether_unix.cpp
637	>	;;
638	>	esac
639	>	if [[ -n "$CAN_SLIRP" ]]; then
640		AC_DEFINE(HAVE_SLIRP, 1, [Define if slirp library is supported])
641		SLIRP_SRCS="\
642		../slirp/bootp.c     ../slirp/ip_output.c  ../slirp/tcp_input.c  \
#	Line 539 | Line 651 | AC_SUBST(SLIRP_SRCS)
651		dnl SDL overrides
652		if [[ "x$WANT_SDL" = "xyes" ]]; then
653		AC_DEFINE(USE_SDL, 1, [Define to enble SDL support])
654	+	if [[ "x$WANT_SDL_FRAMEWORK" = "xyes" ]]; then
655	+	EXTRASYSSRCS="$EXTRASYSSRCS ../SDL/SDLMain.m"
656	+	fi
657		fi
658		if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
659		AC_DEFINE(USE_SDL_VIDEO, 1, [Define to enable SDL video graphics support])
#	Line 798 | Line 913 | AC_CACHE_CHECK([whether we can map Low M
913		]
914		)
915
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	–
916		dnl Check signal handlers need to be reinstalled
917		AC_CACHE_CHECK([whether signal handlers need to be reinstalled],
918		ac_cv_signal_need_reinstall, [
#	Line 915 | Line 980 | AC_CACHE_CHECK([whether your system supp
980		AC_LANG_SAVE
981		AC_LANG_CPLUSPLUS
982		AC_TRY_RUN([
983	+	#define HAVE_UNISTD_H 1
984	+	#define HAVE_MACH_VM 1
985	+	#define HAVE_MACH_TASK_SELF 1
986		#define HAVE_MACH_EXCEPTIONS 1
987		#define CONFIGURE_TEST_SIGSEGV_RECOVERY
988		#include "vm_alloc.cpp"
#	Line 1037 | Line 1105 | fi
1105		dnl A dummy program that returns always true
1106		AC_PATH_PROG([BLESS], "true")
1107
1108	+	dnl Check for linker script support
1109	+	case $target_os:$target_cpu in
1110	+	linux*:i?86)    LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1111	+	linux*:x86_64)  LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-x86_64.ld";;
1112	+	linux*:powerpc) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-ppc.ld";;
1113	+	netbsd*:i?86)   LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1114	+	freebsd*:i?86)  LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/freebsd-i386.ld";;
1115	+	darwin*:*)      LINKER_SCRIPT_FLAGS="-Wl,-seg1addr,0x78048000";;
1116	+	esac
1117	+	if [[ -n "$LINKER_SCRIPT_FLAGS" ]]; then
1118	+	AC_CACHE_CHECK([whether linker script is usable],
1119	+	ac_cv_linker_script_works, [
1120	+	AC_LANG_SAVE
1121	+	AC_LANG_CPLUSPLUS
1122	+	saved_LDFLAGS="$LDFLAGS"
1123	+	LDFLAGS="$LDFLAGS $LINKER_SCRIPT_FLAGS"
1124	+	AC_TRY_RUN(
1125	+	[int main() {if ((char *)&main < (char *)0x70000000) return 1;}],
1126	+	[ac_cv_linker_script_works=yes],
1127	+	[ac_cv_linker_script_works=no],
1128	+	dnl When cross-compiling, assume it works
1129	+	[ac_cv_linker_script_works="guessing yes"]
1130	+	)
1131	+	AC_LANG_RESTORE
1132	+	if [[ "$ac_cv_linker_script_works" = "no" ]]; then
1133	+	LDFLAGS="$saved_LDFLAGS"
1134	+	LINKER_SCRIPT_FLAGS=""
1135	+	fi
1136	+	])
1137	+	fi
1138	+	AC_TRANSLATE_DEFINE(HAVE_LINKER_SCRIPT, "$ac_cv_linker_script_works",
1139	+	[Define if there is a linker script to relocate the executable above 0x70000000.])
1140	+
1141		dnl Determine the addressing mode to use
1142		if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
1143		ADDRESSING_MODE="real"
#	Line 1236 | Line 1337 | elif [[ "x$HAVE_GCC30" = "xyes" -a "x$HA
1337		DEFINES="$DEFINES -DX86_64_ASSEMBLY -DOPTIMIZED_FLAGS"
1338		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 $JITSRCS"
1339		CAN_JIT=yes
1239	–	WANT_33BIT_ADDRESSING=yes
1340		fi
1341		elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
1342		dnl SPARC CPU
#	Line 1293 | Line 1393 | else
1393		JITSRCS=""
1394		fi
1395
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	–
1396		dnl Utility macro used by next two tests.
1397		dnl AC_EXAMINE_OBJECT(C source code,
1398		dnl     commands examining object file,

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