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

Comparing BasiliskII/src/Unix/configure.ac (file contents):
Revision 1.34 by gbeauche, 2004-11-08T21:07:07Z vs.
Revision 1.76 by asvitkine, 2010-03-07T00:45:10Z

#	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=$enableval], [WANT_XF86_VIDMODE=yes])
#	Line 21 | Line 23 | AC_ARG_ENABLE(fbdev-dga,     [  --enable
23		AC_ARG_ENABLE(vosf,          [  --enable-vosf           enable video on SEGV signals [default=yes]], [WANT_VOSF=$enableval], [WANT_VOSF=yes])
24
25		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 59 | Line 64 | AC_ARG_ENABLE(addressing,
64
65		dnl External packages.
66		AC_ARG_WITH(esd,             [  --with-esd              support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes])
67	<	AC_ARG_WITH(gtk,             [  --with-gtk              use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes])
67	>	AC_ARG_WITH(gtk,             [  --with-gtk              use GTK user interface [default=yes]],
68	>	[case "$withval" in
69	>	gtk1)      WANT_GTK="gtk";;
70	>	gtk|gtk2)  WANT_GTK="$withval";;
71	>	yes)       WANT_GTK="gtk2 gtk";;
72	>	*)         WANT_GTK="no";;
73	>	esac],
74	>	[WANT_GTK="gtk2 gtk"])
75		AC_ARG_WITH(mon,             [  --with-mon              use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes])
76
77		dnl Canonical system information.
#	Line 98 | Line 110 | AC_PROG_CPP
110		AC_PROG_CXX
111		AC_PROG_MAKE_SET
112		AC_PROG_INSTALL
113	+	AC_PROG_EGREP
114
115		dnl We use mon if possible.
116		MONSRCS=
#	Line 107 | Line 120 | if [[ "x$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 127 | Line 140 | dnl Checks for libraries.
140		AC_CHECK_LIB(posix4, sem_init)
141		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 $1 is available.])]
171	+	)
172	+	AS_VAR_POPDEF([ac_Framework])
173	+	])
174
175		dnl Do we need SDL?
176		WANT_SDL=no
#	Line 142 | Line 186 | if [[ "x$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 "$sdl_config" ]]; then
147	<	sdl_cflags=`$sdl_config --cflags`
148	<	sdl_libs=`$sdl_config --libs`
149	<	CFLAGS="$CFLAGS $sdl_cflags"
150	<	CXXFLAGS="$CXXFLAGS $sdl_cflags"
151	<	LIBS="$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 180 | Line 244 | AC_CHECK_LIB(pthread, pthread_create, ,
244		if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
245		AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
246		fi
247	<	AC_CHECK_FUNCS(pthread_cancel)
247	>	AC_CHECK_FUNCS(pthread_cond_init)
248	>	AC_CHECK_FUNCS(pthread_cancel pthread_testcancel)
249		AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
250		AC_CHECK_FUNCS(pthread_mutexattr_settype)
251		AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
#	Line 224 | Line 289 | fi
289
290		dnl We use GTK+ if possible.
291		UISRCS=../dummy/prefs_editor_dummy.cpp
292	<	if [[ "x$WANT_GTK" = "xyes" ]]; then
292	>	case "x$WANT_GTK" in
293	>	xgtk2*)
294	>	AM_PATH_GTK_2_0(1.3.15, [
295	>	GUI_CFLAGS="$GTK_CFLAGS"
296	>	GUI_LIBS="$GTK_LIBS"
297	>	WANT_GTK=gtk2
298	>	], [
299	>	case "x${WANT_GTK}x" in
300	>	*gtkx)
301	>	AC_MSG_WARN([Could not find GTK+ 2.0, trying with GTK+ 1.2.])
302	>	WANT_GTK=gtk
303	>	;;
304	>	*)
305	>	AC_MSG_WARN([Could not find GTK+, disabling user interface.])
306	>	WANT_GTK=no
307	>	;;
308	>	esac
309	>	])
310	>	;;
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 $GTK_CFLAGS"
231	<	LIBS="$LIBS $GTK_LIBS"
232	<	UISRCS=prefs_editor_gtk.cpp
314	>	GUI_CFLAGS="$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$WANT_ESD" = "xyes" ]]; then
#	Line 263 | Line 361 | AC_SYS_LARGEFILE
361
362		dnl Checks for header files.
363		AC_HEADER_STDC
364	+	AC_CHECK_HEADERS(stdlib.h stdint.h)
365		AC_CHECK_HEADERS(unistd.h fcntl.h sys/types.h sys/time.h sys/mman.h mach/mach.h)
366		AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
367	<	AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h)
367	>	AC_CHECK_HEADERS(sys/socket.h sys/ioctl.h sys/filio.h sys/bitypes.h sys/wait.h)
368	>	AC_CHECK_HEADERS(sys/poll.h sys/select.h)
369	>	AC_CHECK_HEADERS(arpa/inet.h)
370	>	AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h, [], [], [
371	>	#ifdef HAVE_SYS_TYPES_H
372	>	#include <sys/types.h>
373	>	#endif
374	>	#ifdef HAVE_SYS_SOCKET_H
375	>	#include <sys/socket.h>
376	>	#endif
377	>	])
378		AC_CHECK_HEADERS(AvailabilityMacros.h)
379	+	AC_CHECK_HEADERS(IOKit/storage/IOBlockStorageDevice.h)
380
381		dnl Checks for typedefs, structures, and compiler characteristics.
382		AC_C_BIGENDIAN
#	Line 306 | Line 416 | if [[ "x$ac_cv_type_socklen_t" != "xyes"
416		fi
417
418		dnl Checks for library functions.
419	<	AC_CHECK_FUNCS(strdup cfmakeraw)
419	>	AC_CHECK_FUNCS(strdup strerror cfmakeraw)
420		AC_CHECK_FUNCS(clock_gettime timer_create)
421		AC_CHECK_FUNCS(sigaction signal)
422		AC_CHECK_FUNCS(mmap mprotect munmap)
423		AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
424	+	AC_CHECK_FUNCS(poll inet_aton)
425
426		dnl Darwin seems to define mach_task_self() instead of task_self().
427		AC_CHECK_FUNCS(mach_task_self task_self)
#	Line 337 | Line 448 | mips-sony-bsd|mips-sony-newsos4)
448		*-*-sco3.2v5*)
449		no_dev_ptmx=1
450		;;
451	+	*-*-cygwin*)
452	+	no_dev_ptmx=1
453	+	;;
454	+	*-*-darwin*)
455	+	no_dev_ptmx=1
456	+	;;
457		esac
458
459		if test -z "$no_dev_ptmx" ; then
#	Line 359 | Line 476 | AC_CHECK_FILE([/dev/ptc],
476		dnl (end of code from openssh-3.2.2p1 configure.ac)
477
478
479	+	dnl Check for systems where POSIX-style non-blocking I/O (O_NONBLOCK)
480	+	dnl doesn't work or is unimplemented. On these systems (mostly older
481	+	dnl ones), use the old BSD-style FIONBIO approach instead. [tcl.m4]
482	+	AC_CACHE_CHECK([FIONBIO vs. O_NONBLOCK for non-blocking I/O],
483	+	ac_cv_nonblocking_io, [
484	+	case "$host" in
485	+	*-*-osf*)
486	+	ac_cv_nonblocking_io=FIONBIO
487	+	;;
488	+	*-*-sunos4*)
489	+	ac_cv_nonblocking_io=FIONBIO
490	+	;;
491	+	*-*-ultrix*)
492	+	ac_cv_nonblocking_io=FIONBIO
493	+	;;
494	+	*)
495	+	ac_cv_nonblocking_io=O_NONBLOCK
496	+	;;
497	+	esac
498	+	])
499	+	if [[ "$ac_cv_nonblocking_io" = "FIONBIO" ]]; then
500	+	AC_DEFINE(USE_FIONBIO, 1, [Define if BSD-style non-blocking I/O is to be used])
501	+	fi
502	+
503	+	dnl Check whether compiler supports byte bit-fields
504	+	AC_CACHE_CHECK([whether compiler supports byte bit-fields],
505	+	ac_cv_have_byte_bitfields, [
506	+	AC_LANG_SAVE
507	+	AC_LANG_CPLUSPLUS
508	+	AC_TRY_RUN([
509	+	struct A {
510	+	unsigned char b1:4;
511	+	unsigned char b2:4;
512	+	unsigned char c;
513	+	unsigned short s;
514	+	unsigned char a[4];
515	+	};
516	+
517	+	int main(void) {
518	+	A a;
519	+	return ! (sizeof(A) == 8 && &a.c == ((unsigned char *)&a + 1));
520	+	}],
521	+	[ac_cv_have_byte_bitfields=yes],
522	+	[ac_cv_have_byte_bitfields=no],
523	+	dnl When cross-compiling, assume only GCC supports this
524	+	[if [[ "$GCC" = "yes" ]]; then
525	+	ac_cv_have_byte_bitfields="guessing yes"
526	+	else
527	+	ac_cv_have_byte_bitfields="guessing no"
528	+	fi]
529	+	)
530	+	AC_LANG_RESTORE
531	+	])
532	+
533		dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
534	<	AC_DEFUN(AC_CHECK_FRAMEWORK, [
534	>	AC_DEFUN([AC_CHECK_FRAMEWORK], [
535		AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
536		AC_CACHE_CHECK([whether compiler supports framework $1],
537		ac_Framework, [
538		saved_LIBS="$LIBS"
539		LIBS="$LIBS -framework $1"
540		AC_TRY_LINK(
541	<	[$2], [int main(void) { return 0; }],
541	>	[$2], [],
542		[AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
543		)
544		])
#	Line 378 | Line 549 | AC_DEFUN(AC_CHECK_FRAMEWORK, [
549		])
550
551		dnl Check for some MacOS X frameworks
552	+	AC_CHECK_FRAMEWORK(AppKit, [])
553		AC_CHECK_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>])
554		AC_CHECK_FRAMEWORK(IOKit, [#include <IOKit/IOKitLib.h>])
555	+	AC_CHECK_FRAMEWORK(CoreFoundation, [#include <CoreFoundation/CoreFoundation.h>])
556
557		dnl Select system-dependant source files.
558		SERIALSRC=serial_unix.cpp
559		ETHERSRC=../dummy/ether_dummy.cpp
560		SCSISRC=../dummy/scsi_dummy.cpp
561		AUDIOSRC=../dummy/audio_dummy.cpp
562	+	EXTFSSRC=extfs_unix.cpp
563		EXTRASYSSRCS=
564		CAN_NATIVE_M68K=no
565		case "$target_os" in
#	Line 419 | Line 593 | freebsd*)
593		;;
594		netbsd*)
595		CAN_NATIVE_M68K=yes
596	+	ETHERSRC=ether_unix.cpp
597		;;
598		solaris*)
599		AUDIOSRC=Solaris/audio_solaris.cpp
600		DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
601		;;
602		irix*)
428	–	ETHERSRC=ether_unix.cpp
603		AUDIOSRC=Irix/audio_irix.cpp
604		EXTRASYSSRCS=Irix/unaligned.c
431	–	dnl IRIX headers work fine, but somehow don't define or use "STDC_HEADERS"
432	–	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200 -DSTDC_HEADERS"
605		LIBS="$LIBS -laudio"
606		WANT_ESD=no
607
#	Line 439 | Line 611 | irix*)
611		CFLAGS=`echo "$CFLAGS -IPA" | sed -e "s/-g//g"`
612		AC_MSG_CHECKING(if "-IPA" works)
613		dnl Do a test compile of an empty function
614	<	AC_TRY_COMPILE(,, [AC_MSG_RESULT(yes); HAVE_IPA=yes], AC_MSG_RESULT(no))
614	>	AC_TRY_COMPILE([#if defined __GNUC__
615	>	# error GCC does not support IPA yet
616	>	#endif],, [AC_MSG_RESULT(yes); HAVE_IPA=yes], AC_MSG_RESULT(no))
617		CFLAGS="$ocflags"
618		;;
619		darwin*)
620	<	if [[ "x$ac_cv_framework_IOKit" = "xyes" ]]; then
620	>	ETHERSRC=ether_unix.cpp
621	>	if [[ "x$ac_cv_framework_IOKit" = "xyes" -a "x$ac_cv_framework_CoreFoundation" = "xyes" ]]; then
622		EXTRASYSSRCS="../MacOSX/sys_darwin.cpp"
623		fi
624	+	if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
625	+	EXTFSSRC=../MacOSX/extfs_macosx.cpp
626	+	fi
627	+	;;
628	+	cygwin*)
629	+	SERIALSRC="../dummy/serial_dummy.cpp"
630	+	EXTRASYSSRCS="../Windows/BasiliskII.rc"
631	+	;;
632	+	esac
633	+
634	+	dnl Is the slirp library supported?
635	+	case "$ac_cv_have_byte_bitfields" in
636	+	yes|"guessing yes")
637	+	CAN_SLIRP=yes
638	+	ETHERSRC=ether_unix.cpp
639		;;
640		esac
641	+	if [[ -n "$CAN_SLIRP" ]]; then
642	+	AC_DEFINE(HAVE_SLIRP, 1, [Define if slirp library is supported])
643	+	SLIRP_SRCS="\
644	+	../slirp/bootp.c     ../slirp/ip_output.c  ../slirp/tcp_input.c  \
645	+	../slirp/cksum.c     ../slirp/mbuf.c       ../slirp/tcp_output.c \
646	+	../slirp/debug.c     ../slirp/misc.c       ../slirp/tcp_subr.c   \
647	+	../slirp/if.c        ../slirp/sbuf.c       ../slirp/tcp_timer.c  \
648	+	../slirp/ip_icmp.c   ../slirp/slirp.c      ../slirp/tftp.c       \
649	+	../slirp/ip_input.c  ../slirp/socket.c     ../slirp/udp.c"
650	+	fi
651	+	AC_SUBST(SLIRP_SRCS)
652	+
653		dnl SDL overrides
654		if [[ "x$WANT_SDL" = "xyes" ]]; then
655		AC_DEFINE(USE_SDL, 1, [Define to enble SDL support])
656	+	if [[ "x$WANT_SDL_FRAMEWORK" = "xyes" ]]; then
657	+	EXTRASYSSRCS="$EXTRASYSSRCS ../SDL/SDLMain.m"
658	+	fi
659		fi
660		if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
661		AC_DEFINE(USE_SDL_VIDEO, 1, [Define to enable SDL video graphics support])
#	Line 459 | Line 664 | if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; th
664		if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
665		EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx.cpp"
666		else
667	<	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
667	>	case "$target_os" in
668	>	cygwin*)
669	>	EXTRASYSSRCS="$EXTRASYSSRCS ../Windows/clip_windows.cpp"
670	>	;;
671	>	*)
672	>	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
673	>	;;
674	>	esac
675		fi
676		else
677		VIDEOSRCS="video_x.cpp"
#	Line 485 | Line 697 | if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
697		ETHERSRC=../dummy/ether_dummy.cpp
698		AUDIOSRC=../dummy/audio_dummy.cpp
699		fi
700	<	SYSSRCS="$VIDEOSRCS $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
700	>	SYSSRCS="$VIDEOSRCS $EXTFSSRC $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
701
702		dnl Define a macro that translates a yesno-variable into a C macro definition
703		dnl to be put into the config.h file
704		dnl $1 -- the macro to define
705		dnl $2 -- the value to translate
706		dnl $3 -- template name
707	<	AC_DEFUN(AC_TRANSLATE_DEFINE, [
707	>	AC_DEFUN([AC_TRANSLATE_DEFINE], [
708		if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then
709		AC_DEFINE($1, 1, $3)
710		fi
#	Line 703 | Line 915 | AC_CACHE_CHECK([whether we can map Low M
915		]
916		)
917
706	–	dnl Check if we have POSIX shared memory support
707	–	AC_CACHE_CHECK([whether POSIX shared memory is working],
708	–	ac_cv_have_posix_shm, [
709	–	AC_LANG_SAVE
710	–	AC_LANG_CPLUSPLUS
711	–	AC_TRY_RUN([
712	–	#define HAVE_POSIX_SHM
713	–	#include "vm_alloc.cpp"
714	–	int main(void) { /* returns 0 if we have working POSIX shm */
715	–	if (vm_init() < 0) exit(2);
716	–	char *m1 = (char *)vm_acquire(32768, VM_MAP_DEFAULT | VM_MAP_33BIT);
717	–	if (m1 == VM_MAP_FAILED) exit(3);
718	–	vm_exit(); exit(0);
719	–	}
720	–	], ac_cv_have_posix_shm=yes, ac_cv_have_posix_shm=no,
721	–	dnl When cross-compiling, do not assume anything.
722	–	ac_cv_have_posix_shm="guessing no"
723	–	)
724	–	AC_LANG_RESTORE
725	–	]
726	–	)
727	–	AC_TRANSLATE_DEFINE(HAVE_POSIX_SHM, "$ac_cv_have_posix_shm",
728	–	[Define if your system supports POSIX shared memory.])
729	–
730	–	dnl Check if we have working 33-bit memory addressing
731	–	AC_CACHE_CHECK([whether 33-bit memory addressing is working],
732	–	ac_cv_have_33bit_addressing, [
733	–	AC_LANG_SAVE
734	–	AC_LANG_CPLUSPLUS
735	–	AC_TRY_RUN([
736	–	#define USE_33BIT_ADDRESSING 1
737	–	#include "vm_alloc.cpp"
738	–	int main(void) { /* returns 0 if we have working 33-bit addressing */
739	–	if (sizeof(void *) < 8) exit(1);
740	–	if (vm_init() < 0) exit(2);
741	–	char *m1 = (char *)vm_acquire(32768, VM_MAP_DEFAULT | VM_MAP_33BIT);
742	–	if (m1 == VM_MAP_FAILED) exit(3);
743	–	char *m2 = m1 + (1L << 32);
744	–	m1[0] = 0x12; if (m2[0] != 0x12) exit(4);
745	–	m2[0] = 0x34; if (m1[0] != 0x34) exit(5);
746	–	vm_exit(); exit(0);
747	–	}
748	–	], ac_cv_have_33bit_addressing=yes, ac_cv_have_33bit_addressing=no,
749	–	dnl When cross-compiling, do not assume anything.
750	–	ac_cv_have_33bit_addressing="guessing no"
751	–	)
752	–	AC_LANG_RESTORE
753	–	]
754	–	)
755	–
918		dnl Check signal handlers need to be reinstalled
919		AC_CACHE_CHECK([whether signal handlers need to be reinstalled],
920		ac_cv_signal_need_reinstall, [
#	Line 838 | Line 1000 | AC_CACHE_CHECK([whether your system supp
1000		AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions",
1001		[Define if your system supports Mach exceptions.])
1002
1003	+	dnl Check if Windows exceptions are supported.
1004	+	AC_CACHE_CHECK([whether your system supports Windows exceptions],
1005	+	ac_cv_have_win32_exceptions, [
1006	+	AC_LANG_SAVE
1007	+	AC_LANG_CPLUSPLUS
1008	+	AC_TRY_RUN([
1009	+	#define HAVE_WIN32_EXCEPTIONS 1
1010	+	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
1011	+	#include "vm_alloc.cpp"
1012	+	#include "sigsegv.cpp"
1013	+	], [
1014	+	sigsegv_recovery=win32
1015	+	ac_cv_have_win32_exceptions=yes
1016	+	],
1017	+	ac_cv_have_win32_exceptions=no,
1018	+	dnl When cross-compiling, do not assume anything.
1019	+	ac_cv_have_win32_exceptions=no
1020	+	)
1021	+	AC_LANG_RESTORE
1022	+	]
1023	+	)
1024	+	AC_TRANSLATE_DEFINE(HAVE_WIN32_EXCEPTIONS, "$ac_cv_have_win32_exceptions",
1025	+	[Define if your system supports Windows exceptions.])
1026	+
1027		dnl Otherwise, check if extended signals are supported.
1028		if [[ -z "$sigsegv_recovery" ]]; then
1029		AC_CACHE_CHECK([whether your system supports extended signal handlers],
#	Line 918 | Line 1104 | fi
1104		dnl A dummy program that returns always true
1105		AC_PATH_PROG([BLESS], "true")
1106
1107	+	dnl Check for linker script support
1108	+	case $target_os:$target_cpu in
1109	+	linux*:i?86)    LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1110	+	linux*:x86_64)  LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-x86_64.ld";;
1111	+	linux*:powerpc) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-ppc.ld";;
1112	+	netbsd*:i?86)   LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1113	+	freebsd*:i?86)  LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/freebsd-i386.ld";;
1114	+	darwin*:*)      LINKER_SCRIPT_FLAGS="-Wl,-seg1addr,0x78048000";;
1115	+	esac
1116	+	if [[ -n "$LINKER_SCRIPT_FLAGS" ]]; then
1117	+	AC_CACHE_CHECK([whether linker script is usable],
1118	+	ac_cv_linker_script_works, [
1119	+	AC_LANG_SAVE
1120	+	AC_LANG_CPLUSPLUS
1121	+	saved_LDFLAGS="$LDFLAGS"
1122	+	LDFLAGS="$LDFLAGS $LINKER_SCRIPT_FLAGS"
1123	+	AC_TRY_RUN(
1124	+	[int main() {if ((char *)&main < (char *)0x70000000) return 1;}],
1125	+	[ac_cv_linker_script_works=yes],
1126	+	[ac_cv_linker_script_works=no],
1127	+	dnl When cross-compiling, assume it works
1128	+	[ac_cv_linker_script_works="guessing yes"]
1129	+	)
1130	+	AC_LANG_RESTORE
1131	+	if [[ "$ac_cv_linker_script_works" = "no" ]]; then
1132	+	LDFLAGS="$saved_LDFLAGS"
1133	+	LINKER_SCRIPT_FLAGS=""
1134	+	fi
1135	+	])
1136	+	fi
1137	+	AC_TRANSLATE_DEFINE(HAVE_LINKER_SCRIPT, "$ac_cv_linker_script_works",
1138	+	[Define if there is a linker script to relocate the executable above 0x70000000.])
1139	+
1140		dnl Determine the addressing mode to use
1141		if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
1142		ADDRESSING_MODE="real"
#	Line 995 | Line 1214 | AC_MSG_RESULT($HAVE_GAS)
1214		dnl Check for GCC 2.7 or higher.
1215		HAVE_GCC27=no
1216		AC_MSG_CHECKING(for GCC 2.7 or higher)
1217	<	AC_EGREP_CPP(xyes,
1218	<	[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5
1219	<	xyes
1220	<	#endif
1221	<	], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
1217	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5)
1218	>	# error gcc < 2.7
1219	>	#endif
1220	>	]])],
1221	>	[AC_MSG_RESULT(yes); HAVE_GCC27=yes],
1222	>	[AC_MSG_RESULT(no)])
1223
1224		dnl Check for GCC 3.0 or higher.
1225		HAVE_GCC30=no
1226		AC_MSG_CHECKING(for GCC 3.0 or higher)
1227	<	AC_EGREP_CPP(xyes,
1228	<	[#if __GNUC__ >= 3
1229	<	xyes
1230	<	#endif
1231	<	], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
1227	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ >= 3)
1228	>	# error gcc < 3
1229	>	#endif
1230	>	]])],
1231	>	[AC_MSG_RESULT(yes); HAVE_GCC30=yes],
1232	>	[AC_MSG_RESULT(no)])
1233	>
1234	>	dnl Check for ICC.
1235	>	AC_MSG_CHECKING(for ICC)
1236	>	HAVE_ICC=no
1237	>	if $CXX -V -v 2>&1 | grep -q "Intel(R) C++ Compiler"; then
1238	>	HAVE_ICC=yes
1239	>	fi
1240	>	AC_MSG_RESULT($HAVE_ICC)
1241
1242		dnl Set "-fomit-frame-pointer" on i386 GCC 2.7 or higher.
1243		dnl Also set "-fno-exceptions" for C++ because exception handling requires
#	Line 1023 | Line 1252 | dnl As of 2001/08/02, this affects the f
1252		dnl Official: probably gcc-3.1 (mainline CVS)
1253		dnl Mandrake: gcc-2.96 >= 0.59mdk, gcc-3.0.1 >= 0.1mdk
1254		dnl Red Hat : gcc-2.96 >= 89, gcc-3.0 >= 1
1255	<	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
1255	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1256		SAVED_CXXFLAGS="$CXXFLAGS"
1257		CXXFLAGS="$CXXFLAGS -fno-merge-constants"
1258		AC_CACHE_CHECK([whether GCC supports constants merging], ac_cv_gcc_constants_merging, [
#	Line 1039 | Line 1268 | fi
1268
1269		dnl Store motion was introduced in 3.3-hammer branch and any gcc >= 3.4
1270		dnl However, there are some corner cases exposed on x86-64
1271	<	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
1271	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1272		SAVED_CXXFLAGS="$CXXFLAGS"
1273		CXXFLAGS="$CXXFLAGS -fno-gcse-sm"
1274		AC_CACHE_CHECK([whether GCC supports store motion], ac_cv_gcc_store_motion, [
#	Line 1053 | Line 1282 | if [[ "x$HAVE_GCC27" = "xyes" ]]; then
1282		fi
1283		fi
1284
1285	+	dnl Add -fno-strict-aliasing for slirp sources
1286	+	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1287	+	SAVED_CFLAGS="$CFLAGS"
1288	+	CFLAGS="$CFLAGS -fno-strict-aliasing"
1289	+	AC_CACHE_CHECK([whether the compiler supports -fno-strict-aliasing],
1290	+	ac_cv_gcc_no_strict_aliasing, [
1291	+	AC_TRY_COMPILE([],[],
1292	+	[ac_cv_gcc_no_strict_aliasing=yes; AC_SUBST(SLIRP_CFLAGS, "-fno-strict-aliasing")],
1293	+	[ac_cv_gcc_no_strict_aliasing=no])
1294	+	])
1295	+	CFLAGS="$SAVED_CFLAGS"
1296	+	fi
1297	+
1298	+	dnl Add -mdynamic-no-pic for MacOS X (XXX icc10 will support MacOS X)
1299	+	if [[ "x$HAVE_GCC30" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1300	+	SAVED_CFLAGS="$CFLAGS"
1301	+	CFLAGS="$CFLAGS -mdynamic-no-pic"
1302	+	AC_CACHE_CHECK([whether the compiler supports -mdynamic-no-pic],
1303	+	ac_cv_gcc_mdynamic_no_pic, [
1304	+	AC_TRY_COMPILE([],[],[ac_cv_gcc_mdynamic_no_pic=yes],[ac_cv_gcc_mdynamic_no_pic=no])
1305	+	])
1306	+	if [[ "x$ac_cv_gcc_mdynamic_no_pic" = "xyes" ]]; then
1307	+	CXXFLAGS="$CXXFLAGS -mdynamic-no-pic"
1308	+	else
1309	+	CFLAGS="$SAVED_CFLAGS"
1310	+	fi
1311	+	fi
1312	+
1313		dnl Select appropriate CPU source and REGPARAM define.
1314		ASM_OPTIMIZATIONS=none
1315		CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
#	Line 1079 | Line 1336 | elif [[ "x$HAVE_GCC30" = "xyes" -a "x$HA
1336		DEFINES="$DEFINES -DX86_64_ASSEMBLY -DOPTIMIZED_FLAGS"
1337		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 $JITSRCS"
1338		CAN_JIT=yes
1082	–	WANT_33BIT_ADDRESSING=yes
1339		fi
1340		elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
1341		dnl SPARC CPU
#	Line 1136 | Line 1392 | else
1392		JITSRCS=""
1393		fi
1394
1139	–	dnl Use 33-bit memory addressing?
1140	–	if [[ "$ac_cv_have_33bit_addressing:$WANT_33BIT_ADDRESSING" = "yes:yes" ]]; then
1141	–	use_33bit_addressing=yes
1142	–	fi
1143	–	AC_TRANSLATE_DEFINE(USE_33BIT_ADDRESSING, "$use_33bit_addressing",
1144	–	[Define to use 33-bit memory addressing on 64-bit JIT capable systems.])
1145	–
1395		dnl Utility macro used by next two tests.
1396		dnl AC_EXAMINE_OBJECT(C source code,
1397		dnl     commands examining object file,

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