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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 1.80 by asvitkine, 2010-10-06T00:30:23Z

#	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=$enableval], [WANT_JIT=no])
#	Line 70 | Line 74 | AC_ARG_WITH(gtk,             [  --with-g
74		[WANT_GTK="gtk2 gtk"])
75		AC_ARG_WITH(mon,             [  --with-mon              use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes])
76
77	+	AC_ARG_WITH(bincue,
78	+	AS_HELP_STRING([--with-bincue], [Allow cdrom image files in bin/cue mode]))
79	+
80		dnl Canonical system information.
81		AC_CANONICAL_HOST
82		AC_CANONICAL_TARGET
#	Line 99 | Line 106 | case "$target_cpu" in
106		x86_64* ) HAVE_X86_64=yes;;
107		esac
108
109	+	dnl Check if we should really be assuming x86_64 even if we detected HAVE_I386 above.
110	+	if [[ "x$HAVE_I386" = "xyes" ]]; then
111	+	AC_TRY_RUN([
112	+	int main(void) {
113	+	#if defined(__x86_64__)
114	+	return 0;
115	+	#else
116	+	return 1;
117	+	#endif
118	+	}
119	+	], [
120	+	HAVE_I386=no
121	+	HAVE_X86_64=yes
122	+	])
123	+	fi
124	+
125		dnl Checks for programs.
126		AC_PROG_CC
127		AC_PROG_CC_C_O
#	Line 116 | Line 139 | if [[ "x$WANT_MON" = "xyes" ]]; then
139		if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
140		AC_MSG_RESULT(yes)
141		AC_DEFINE(ENABLE_MON, 1, [Define if using "mon".])
142	<	MONSRCS="$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 $mon_srcdir/disass/m68k-opc.c"
142	>	MONSRCS="$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 $mon_srcdir/disass/mips16-opc.c"
143		CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass"
144		AC_CHECK_LIB(ncurses, tgetent, ,
145	<	AC_CHECK_LIB(termcap, tgetent, ,
146	<	AC_CHECK_LIB(termlib, tgetent, ,
147	<	AC_CHECK_LIB(terminfo, tgetent, ,
148	<	AC_CHECK_LIB(Hcurses, tgetent, ,
149	<	AC_CHECK_LIB(curses, tgetent))))))
145	>	[AC_CHECK_LIB(termcap, tgetent, ,
146	>	[AC_CHECK_LIB(termlib, tgetent, ,
147	>	[AC_CHECK_LIB(terminfo, tgetent, ,
148	>	[AC_CHECK_LIB(Hcurses, tgetent, ,
149	>	[AC_CHECK_LIB(curses, tgetent)])])])])])
150		AC_CHECK_LIB(readline, readline)
151		else
152		AC_MSG_RESULT(no)
#	Line 138 | Line 161 | AC_CHECK_LIB(rt, timer_create)
161		AC_CHECK_LIB(rt, shm_open)
162		AC_CHECK_LIB(m, cos)
163
164	+	dnl AC_CHECK_SDLFRAMEWORK($1=NAME, $2=INCLUDES)
165	+	dnl AC_TRY_LINK uses main() but SDL needs main to take args,
166	+	dnl therefore main is undefined with #undef.
167	+	dnl Framework can be in an custom location.
168	+	AC_DEFUN([AC_CHECK_SDLFRAMEWORK], [
169	+	AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])
170	+	AC_CACHE_CHECK([whether compiler supports framework $1],
171	+	ac_Framework, [
172	+	saved_LIBS="$LIBS"
173	+	LIBS="$LIBS -framework $1"
174	+	if [[ "x$SDL_FRAMEWORK" != "x/Library/Frameworks" ]]; then
175	+	if [[ "x$SDL_FRAMEWORK" != "x/System/Library/Frameworks" ]]; then
176	+	LIBS="$saved_LIBS -F$SDL_FRAMEWORK -framework $1"
177	+	fi
178	+	fi
179	+	saved_CPPFLAGS="$CPPFLAGS"
180	+	CPPFLAGS="$CPPFLAGS -I$SDL_FRAMEWORK/SDL.framework/Headers"
181	+	AC_TRY_LINK(
182	+	[$2
183	+	#undef main], [],
184	+	[AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no);
185	+	LIBS="$saved_LIBS"; CPPFLAGS="$saved_CPPFLAGS"]
186	+	)
187	+	])
188	+	AS_IF([test AS_VAR_GET(ac_Framework) = yes],
189	+	[AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])]
190	+	)
191	+	AS_VAR_POPDEF([ac_Framework])
192	+	])
193	+
194		dnl Do we need SDL?
195		WANT_SDL=no
196		if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
#	Line 152 | Line 205 | if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; th
205		SDL_SUPPORT="$SDL_SUPPORT audio"
206		fi
207		if [[ "x$WANT_SDL" = "xyes" ]]; then
208	<	AC_PATH_PROG(sdl_config, "sdl-config")
209	<	if [[ -n "$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 $sdl_libs"
208	>	if [[ "x$WANT_SDL_FRAMEWORK" = "xyes" ]]; then
209	>	AC_CHECK_SDLFRAMEWORK(SDL, [#include <SDL.h>])
210		else
211	<	WANT_SDL=no
211	>	ac_cv_framework_SDL=no
212	>	fi
213	>	if [[ "x$ac_cv_framework_SDL" = "xno" ]]; then
214	>	AC_PATH_PROG(sdl_config, "sdl-config")
215	>	if [[ -n "$sdl_config" ]]; then
216	>	case $target_os in
217	>	# Special treatment for Cygwin so that we can still use the POSIX layer
218	>	*cygwin*)
219	>	sdl_cflags="-I`$sdl_config --prefix`/include/SDL"
220	>	sdl_libs="-L`$sdl_config --exec-prefix`/lib -lSDL"
221	>	;;
222	>	*)
223	>	sdl_cflags=`$sdl_config --cflags`
224	>	if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
225	>	sdl_libs=`$sdl_config --static-libs`
226	>	else
227	>	sdl_libs=`$sdl_config --libs`
228	>	fi
229	>	;;
230	>	esac
231	>	CFLAGS="$CFLAGS $sdl_cflags"
232	>	CXXFLAGS="$CXXFLAGS $sdl_cflags"
233	>	LIBS="$LIBS $sdl_libs"
234	>	else
235	>	WANT_SDL=no
236	>	fi
237		fi
238		SDL_SUPPORT=`echo "$SDL_SUPPORT" | sed -e "s/^ //"`
239		else
#	Line 191 | Line 251 | if [[ "x$WANT_SDL" = "xno" ]]; then
251		LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
252		fi
253
254	+	dnl BINCUE
255	+	AS_IF([test  "x$with_bincue" = "xyes" ], [have_bincue=yes], [have_bincue=no])
256	+	AS_IF([test  "x$have_bincue" = "xyes" ], [
257	+	if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
258	+	DEFINES="$DEFINES -DBINCUE"
259	+	else
260	+	AC_MSG_ERROR([You need SDL Audio to use BINCUE support.])
261	+	fi
262	+	])
263	+
264	+
265		dnl We want pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL.
266		HAVE_PTHREADS=yes
267		AC_CHECK_LIB(pthread, pthread_create, , [
#	Line 251 | Line 322 | UISRCS=../dummy/prefs_editor_dummy.cpp
322		case "x$WANT_GTK" in
323		xgtk2*)
324		AM_PATH_GTK_2_0(1.3.15, [
325	<	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
326	<	CFLAGS="$CFLAGS $GTK_CFLAGS"
256	<	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
257	<	LIBS="$LIBS $GTK_LIBS"
258	<	UISRCS=prefs_editor_gtk.cpp
325	>	GUI_CFLAGS="$GTK_CFLAGS"
326	>	GUI_LIBS="$GTK_LIBS"
327		WANT_GTK=gtk2
328		], [
329		case "x${WANT_GTK}x" in
#	Line 273 | Line 341 | xgtk2*)
341		esac
342		if [[ "x$WANT_GTK" = "xgtk" ]]; then
343		AM_PATH_GTK(1.2.0, [
344	<	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
345	<	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
278	<	LIBS="$LIBS $GTK_LIBS"
279	<	UISRCS=prefs_editor_gtk.cpp
344	>	GUI_CFLAGS="$GTK_CFLAGS"
345	>	GUI_LIBS="$GTK_LIBS"
346		dnl somehow, <gnome-i18n.h> would redefine gettext() to nothing if
347		dnl ENABLE_NLS is not set, thusly conflicting with C++ <string> which
348		dnl includes <libintl.h>
349		AM_GNU_GETTEXT
350		B2_PATH_GNOMEUI([
351		AC_DEFINE(HAVE_GNOMEUI, 1, [Define if libgnomeui is available.])
352	<	CXXFLAGS="$CXXFLAGS $GNOMEUI_CFLAGS"
353	<	LIBS="$LIBS $GNOMEUI_LIBS"
352	>	GUI_CFLAGS="$GUI_CFLAGS $GNOMEUI_CFLAGS"
353	>	GUI_LIBS="$GUI_LIBS $GNOMEUI_LIBS"
354		], [])
355		], [
356		AC_MSG_WARN([Could not find GTK+, disabling user interface.])
357		WANT_GTK=no
358		])
359		fi
360	+	if [[ "x$WANT_GTK" != "xno" -a "x$WANT_STANDALONE_GUI" = "xno" ]]; then
361	+	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
362	+	UISRCS=prefs_editor_gtk.cpp
363	+	fi
364	+	AC_SUBST(GUI_CFLAGS)
365	+	AC_SUBST(GUI_LIBS)
366	+
367	+	dnl Build external GUI if requested.
368	+	if [[ "$WANT_STANDALONE_GUI" != "yes" ]]; then
369	+	WANT_STANDALONE_GUI=no
370	+	fi
371	+	if [[ "$WANT_GTK" = "no" ]]; then
372	+	WANT_STANDALONE_GUI=no
373	+	fi
374	+	AC_SUBST(STANDALONE_GUI, [$WANT_STANDALONE_GUI])
375
376		dnl We use ESD if possible.
377		if [[ "x$WANT_ESD" = "xyes" ]]; then
#	Line 400 | Line 481 | mips-sony-bsd|mips-sony-newsos4)
481		*-*-cygwin*)
482		no_dev_ptmx=1
483		;;
484	+	*-*-darwin*)
485	+	no_dev_ptmx=1
486	+	;;
487		esac
488
489		if test -z "$no_dev_ptmx" ; then
#	Line 418 | Line 502 | AC_CHECK_FILE([/dev/ptc],
502		have_dev_ptc=1
503		]
504		)
421	–
505		dnl (end of code from openssh-3.2.2p1 configure.ac)
506
507	+	dnl Check for systems where POSIX-style non-blocking I/O (O_NONBLOCK)
508	+	dnl doesn't work or is unimplemented. On these systems (mostly older
509	+	dnl ones), use the old BSD-style FIONBIO approach instead. [tcl.m4]
510	+	AC_CACHE_CHECK([FIONBIO vs. O_NONBLOCK for non-blocking I/O],
511	+	ac_cv_nonblocking_io, [
512	+	case "$host" in
513	+	*-*-osf*)
514	+	ac_cv_nonblocking_io=FIONBIO
515	+	;;
516	+	*-*-sunos4*)
517	+	ac_cv_nonblocking_io=FIONBIO
518	+	;;
519	+	*-*-ultrix*)
520	+	ac_cv_nonblocking_io=FIONBIO
521	+	;;
522	+	*)
523	+	ac_cv_nonblocking_io=O_NONBLOCK
524	+	;;
525	+	esac
526	+	])
527	+	if [[ "$ac_cv_nonblocking_io" = "FIONBIO" ]]; then
528	+	AC_DEFINE(USE_FIONBIO, 1, [Define if BSD-style non-blocking I/O is to be used])
529	+	fi
530	+
531	+	dnl Check whether compiler supports byte bit-fields
532	+	AC_CACHE_CHECK([whether compiler supports byte bit-fields],
533	+	ac_cv_have_byte_bitfields, [
534	+	AC_LANG_SAVE
535	+	AC_LANG_CPLUSPLUS
536	+	AC_TRY_RUN([
537	+	struct A {
538	+	unsigned char b1:4;
539	+	unsigned char b2:4;
540	+	unsigned char c;
541	+	unsigned short s;
542	+	unsigned char a[4];
543	+	};
544	+
545	+	int main(void) {
546	+	A a;
547	+	return ! (sizeof(A) == 8 && &a.c == ((unsigned char *)&a + 1));
548	+	}],
549	+	[ac_cv_have_byte_bitfields=yes],
550	+	[ac_cv_have_byte_bitfields=no],
551	+	dnl When cross-compiling, assume only GCC supports this
552	+	[if [[ "$GCC" = "yes" ]]; then
553	+	ac_cv_have_byte_bitfields="guessing yes"
554	+	else
555	+	ac_cv_have_byte_bitfields="guessing no"
556	+	fi]
557	+	)
558	+	AC_LANG_RESTORE
559	+	])
560
561		dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
562		AC_DEFUN([AC_CHECK_FRAMEWORK], [
#	Line 430 | Line 566 | AC_DEFUN([AC_CHECK_FRAMEWORK], [
566		saved_LIBS="$LIBS"
567		LIBS="$LIBS -framework $1"
568		AC_TRY_LINK(
569	<	[$2], [int main(void) { return 0; }],
569	>	[$2], [],
570		[AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
571		)
572		])
#	Line 441 | Line 577 | AC_DEFUN([AC_CHECK_FRAMEWORK], [
577		])
578
579		dnl Check for some MacOS X frameworks
580	+	AC_CHECK_FRAMEWORK(AppKit, [])
581		AC_CHECK_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>])
582		AC_CHECK_FRAMEWORK(IOKit, [#include <IOKit/IOKitLib.h>])
583		AC_CHECK_FRAMEWORK(CoreFoundation, [#include <CoreFoundation/CoreFoundation.h>])
#	Line 491 | Line 628 | solaris*)
628		DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
629		;;
630		irix*)
494	–	ETHERSRC=ether_unix.cpp
631		AUDIOSRC=Irix/audio_irix.cpp
632		EXTRASYSSRCS=Irix/unaligned.c
633		LIBS="$LIBS -laudio"
#	Line 514 | Line 650 | darwin*)
650		EXTRASYSSRCS="../MacOSX/sys_darwin.cpp"
651		fi
652		if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
653	<	EXTFSSRC=../MacOSX/extfs_macosx.mm
653	>	EXTFSSRC=../MacOSX/extfs_macosx.cpp
654		fi
655		;;
656		cygwin*)
#	Line 524 | Line 660 | cygwin*)
660		esac
661
662		dnl Is the slirp library supported?
663	<	if [[ "x$ETHERSRC" = "xether_unix.cpp" ]]; then
663	>	case "$ac_cv_have_byte_bitfields" in
664	>	yes|"guessing yes")
665	>	CAN_SLIRP=yes
666	>	ETHERSRC=ether_unix.cpp
667	>	;;
668	>	esac
669	>	if [[ -n "$CAN_SLIRP" ]]; then
670		AC_DEFINE(HAVE_SLIRP, 1, [Define if slirp library is supported])
671		SLIRP_SRCS="\
672		../slirp/bootp.c     ../slirp/ip_output.c  ../slirp/tcp_input.c  \
#	Line 539 | Line 681 | AC_SUBST(SLIRP_SRCS)
681		dnl SDL overrides
682		if [[ "x$WANT_SDL" = "xyes" ]]; then
683		AC_DEFINE(USE_SDL, 1, [Define to enble SDL support])
684	+	if [[ "x$WANT_SDL_FRAMEWORK" = "xyes" ]]; then
685	+	EXTRASYSSRCS="$EXTRASYSSRCS ../SDL/SDLMain.m"
686	+	fi
687		fi
688		if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
689		AC_DEFINE(USE_SDL_VIDEO, 1, [Define to enable SDL video graphics support])
#	Line 566 | Line 711 | if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; th
711		AUDIOSRC="../SDL/audio_sdl.cpp"
712		fi
713
714	+	dnl BINCUE overrides
715	+
716	+	if [[ "x$have_bincue" = "xyes" ]]; then
717	+	EXTRASYSSRCS="$EXTRASYSSRCS bincue_unix.cpp"
718	+	fi
719	+
720		dnl Use 68k CPU natively?
721		WANT_NATIVE_M68K=no
722		if [[ "x$HAVE_M68K" = "xyes" -a "x$CAN_NATIVE_M68K" = "xyes" ]]; then
#	Line 798 | Line 949 | AC_CACHE_CHECK([whether we can map Low M
949		]
950		)
951
801	–	dnl Check if we have POSIX shared memory support
802	–	AC_CACHE_CHECK([whether POSIX shared memory is working],
803	–	ac_cv_have_posix_shm, [
804	–	AC_LANG_SAVE
805	–	AC_LANG_CPLUSPLUS
806	–	AC_TRY_RUN([
807	–	#define HAVE_POSIX_SHM
808	–	#include "vm_alloc.cpp"
809	–	int main(void) { /* returns 0 if we have working POSIX shm */
810	–	if (vm_init() < 0) exit(2);
811	–	char *m1 = (char *)vm_acquire(32768, VM_MAP_DEFAULT | VM_MAP_33BIT);
812	–	if (m1 == VM_MAP_FAILED) exit(3);
813	–	vm_exit(); exit(0);
814	–	}
815	–	], ac_cv_have_posix_shm=yes, ac_cv_have_posix_shm=no,
816	–	dnl When cross-compiling, do not assume anything.
817	–	ac_cv_have_posix_shm="guessing no"
818	–	)
819	–	AC_LANG_RESTORE
820	–	]
821	–	)
822	–	AC_TRANSLATE_DEFINE(HAVE_POSIX_SHM, "$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	–
952		dnl Check signal handlers need to be reinstalled
953		AC_CACHE_CHECK([whether signal handlers need to be reinstalled],
954		ac_cv_signal_need_reinstall, [
#	Line 915 | Line 1016 | AC_CACHE_CHECK([whether your system supp
1016		AC_LANG_SAVE
1017		AC_LANG_CPLUSPLUS
1018		AC_TRY_RUN([
1019	+	#define HAVE_UNISTD_H 1
1020	+	#define HAVE_MACH_VM 1
1021	+	#define HAVE_MACH_TASK_SELF 1
1022		#define HAVE_MACH_EXCEPTIONS 1
1023		#define CONFIGURE_TEST_SIGSEGV_RECOVERY
1024		#include "vm_alloc.cpp"
#	Line 1037 | Line 1141 | fi
1141		dnl A dummy program that returns always true
1142		AC_PATH_PROG([BLESS], "true")
1143
1144	+	dnl Check for linker script support
1145	+	case $target_os:$target_cpu in
1146	+	linux*:i?86)    LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1147	+	linux*:x86_64)  LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-x86_64.ld";;
1148	+	linux*:powerpc) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-ppc.ld";;
1149	+	netbsd*:i?86)   LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1150	+	freebsd*:i?86)  LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/freebsd-i386.ld";;
1151	+	darwin*:*)      LINKER_SCRIPT_FLAGS="-Wl,-seg1addr,0x78048000";;
1152	+	esac
1153	+	if [[ -n "$LINKER_SCRIPT_FLAGS" ]]; then
1154	+	AC_CACHE_CHECK([whether linker script is usable],
1155	+	ac_cv_linker_script_works, [
1156	+	AC_LANG_SAVE
1157	+	AC_LANG_CPLUSPLUS
1158	+	saved_LDFLAGS="$LDFLAGS"
1159	+	LDFLAGS="$LDFLAGS $LINKER_SCRIPT_FLAGS"
1160	+	AC_TRY_RUN(
1161	+	[int main() {if ((char *)&main < (char *)0x70000000) return 1;}],
1162	+	[ac_cv_linker_script_works=yes],
1163	+	[ac_cv_linker_script_works=no],
1164	+	dnl When cross-compiling, assume it works
1165	+	[ac_cv_linker_script_works="guessing yes"]
1166	+	)
1167	+	AC_LANG_RESTORE
1168	+	if [[ "$ac_cv_linker_script_works" = "no" ]]; then
1169	+	LDFLAGS="$saved_LDFLAGS"
1170	+	LINKER_SCRIPT_FLAGS=""
1171	+	fi
1172	+	])
1173	+	fi
1174	+	AC_TRANSLATE_DEFINE(HAVE_LINKER_SCRIPT, "$ac_cv_linker_script_works",
1175	+	[Define if there is a linker script to relocate the executable above 0x70000000.])
1176	+
1177		dnl Determine the addressing mode to use
1178		if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
1179		ADDRESSING_MODE="real"
#	Line 1236 | Line 1373 | elif [[ "x$HAVE_GCC30" = "xyes" -a "x$HA
1373		DEFINES="$DEFINES -DX86_64_ASSEMBLY -DOPTIMIZED_FLAGS"
1374		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 $JITSRCS"
1375		CAN_JIT=yes
1239	–	WANT_33BIT_ADDRESSING=yes
1376		fi
1377		elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
1378		dnl SPARC CPU
#	Line 1293 | Line 1429 | else
1429		JITSRCS=""
1430		fi
1431
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	–
1432		dnl Utility macro used by next two tests.
1433		dnl AC_EXAMINE_OBJECT(C source code,
1434		dnl     commands examining object file,
#	Line 1524 | Line 1653 | echo
1653		echo Basilisk II configuration summary:
1654		echo
1655		echo SDL support ............................ : $SDL_SUPPORT
1656	+	echo BINCUE support ......................... : $have_bincue
1657		echo XFree86 DGA support .................... : $WANT_XF86_DGA
1658		echo XFree86 VidMode support ................ : $WANT_XF86_VIDMODE
1659		echo fbdev DGA support ...................... : $WANT_FBDEV_DGA

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