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

Comparing BasiliskII/src/Unix/configure.ac (file contents):
Revision 1.30 by gbeauche, 2004-06-27T22:06:02Z vs.
Revision 1.79 by asvitkine, 2010-07-28T01:10:24Z

#	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 58 | 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=$withval], [WANT_MON=yes])
76
77		dnl Canonical system information.
#	Line 90 | Line 103 | case "$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$HAVE_I386" = "xyes" ]]; then
108	+	AC_TRY_RUN([
109	+	int main(void) {
110	+	#if defined(__x86_64__)
111	+	return 0;
112	+	#else
113	+	return 1;
114	+	#endif
115	+	}
116	+	], [
117	+	HAVE_I386=no
118	+	HAVE_X86_64=yes
119	+	])
120	+	fi
121	+
122		dnl Checks for programs.
123		AC_PROG_CC
124		AC_PROG_CC_C_O
#	Line 97 | Line 126 | AC_PROG_CPP
126		AC_PROG_CXX
127		AC_PROG_MAKE_SET
128		AC_PROG_INSTALL
129	+	AC_PROG_EGREP
130
131		dnl We use mon if possible.
132		MONSRCS=
#	Line 106 | Line 136 | if [[ "x$WANT_MON" = "xyes" ]]; then
136		if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
137		AC_MSG_RESULT(yes)
138		AC_DEFINE(ENABLE_MON, 1, [Define if using "mon".])
139	<	MONSRCS="$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 $mon_srcdir/disass/m68k-opc.c"
139	>	MONSRCS="$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 $mon_srcdir/disass/mips16-opc.c"
140		CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass"
141		AC_CHECK_LIB(ncurses, tgetent, ,
142	<	AC_CHECK_LIB(termcap, tgetent, ,
143	<	AC_CHECK_LIB(termlib, tgetent, ,
144	<	AC_CHECK_LIB(terminfo, tgetent, ,
145	<	AC_CHECK_LIB(Hcurses, tgetent, ,
146	<	AC_CHECK_LIB(curses, tgetent))))))
142	>	[AC_CHECK_LIB(termcap, tgetent, ,
143	>	[AC_CHECK_LIB(termlib, tgetent, ,
144	>	[AC_CHECK_LIB(terminfo, tgetent, ,
145	>	[AC_CHECK_LIB(Hcurses, tgetent, ,
146	>	[AC_CHECK_LIB(curses, tgetent)])])])])])
147		AC_CHECK_LIB(readline, readline)
148		else
149		AC_MSG_RESULT(no)
#	Line 125 | Line 155 | fi
155		dnl Checks for libraries.
156		AC_CHECK_LIB(posix4, sem_init)
157		AC_CHECK_LIB(rt, timer_create)
158	+	AC_CHECK_LIB(rt, shm_open)
159	+	AC_CHECK_LIB(m, cos)
160	+
161	+	dnl AC_CHECK_SDLFRAMEWORK($1=NAME, $2=INCLUDES)
162	+	dnl AC_TRY_LINK uses main() but SDL needs main to take args,
163	+	dnl therefore main is undefined with #undef.
164	+	dnl Framework can be in an custom location.
165	+	AC_DEFUN([AC_CHECK_SDLFRAMEWORK], [
166	+	AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])
167	+	AC_CACHE_CHECK([whether compiler supports framework $1],
168	+	ac_Framework, [
169	+	saved_LIBS="$LIBS"
170	+	LIBS="$LIBS -framework $1"
171	+	if [[ "x$SDL_FRAMEWORK" != "x/Library/Frameworks" ]]; then
172	+	if [[ "x$SDL_FRAMEWORK" != "x/System/Library/Frameworks" ]]; then
173	+	LIBS="$saved_LIBS -F$SDL_FRAMEWORK -framework $1"
174	+	fi
175	+	fi
176	+	saved_CPPFLAGS="$CPPFLAGS"
177	+	CPPFLAGS="$CPPFLAGS -I$SDL_FRAMEWORK/SDL.framework/Headers"
178	+	AC_TRY_LINK(
179	+	[$2
180	+	#undef main], [],
181	+	[AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no);
182	+	LIBS="$saved_LIBS"; CPPFLAGS="$saved_CPPFLAGS"]
183	+	)
184	+	])
185	+	AS_IF([test AS_VAR_GET(ac_Framework) = yes],
186	+	[AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])]
187	+	)
188	+	AS_VAR_POPDEF([ac_Framework])
189	+	])
190
191		dnl Do we need SDL?
192		WANT_SDL=no
131	–	SDL_SUPPORT="none"
193		if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
194		WANT_SDL=yes
195		WANT_XF86_DGA=no
196		WANT_XF86_VIDMODE=no
197		WANT_FBDEV_DGA=no
198	<	SDL_SUPPORT="video"
198	>	SDL_SUPPORT="$SDL_SUPPORT video"
199	>	fi
200	>	if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
201	>	WANT_SDL=yes
202	>	SDL_SUPPORT="$SDL_SUPPORT audio"
203		fi
204		if [[ "x$WANT_SDL" = "xyes" ]]; then
205	<	AC_PATH_PROG(sdl_config, "sdl-config")
206	<	if [[ -n "$sdl_config" ]]; then
142	<	sdl_cflags=`$sdl_config --cflags`
143	<	sdl_libs=`$sdl_config --libs`
144	<	CFLAGS="$CFLAGS $sdl_cflags"
145	<	CXXFLAGS="$CXXFLAGS $sdl_cflags"
146	<	LIBS="$LIBS $sdl_libs"
205	>	if [[ "x$WANT_SDL_FRAMEWORK" = "xyes" ]]; then
206	>	AC_CHECK_SDLFRAMEWORK(SDL, [#include <SDL.h>])
207		else
208	<	WANT_SDL=no
208	>	ac_cv_framework_SDL=no
209	>	fi
210	>	if [[ "x$ac_cv_framework_SDL" = "xno" ]]; then
211	>	AC_PATH_PROG(sdl_config, "sdl-config")
212	>	if [[ -n "$sdl_config" ]]; then
213	>	case $target_os in
214	>	# Special treatment for Cygwin so that we can still use the POSIX layer
215	>	*cygwin*)
216	>	sdl_cflags="-I`$sdl_config --prefix`/include/SDL"
217	>	sdl_libs="-L`$sdl_config --exec-prefix`/lib -lSDL"
218	>	;;
219	>	*)
220	>	sdl_cflags=`$sdl_config --cflags`
221	>	if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
222	>	sdl_libs=`$sdl_config --static-libs`
223	>	else
224	>	sdl_libs=`$sdl_config --libs`
225	>	fi
226	>	;;
227	>	esac
228	>	CFLAGS="$CFLAGS $sdl_cflags"
229	>	CXXFLAGS="$CXXFLAGS $sdl_cflags"
230	>	LIBS="$LIBS $sdl_libs"
231	>	else
232	>	WANT_SDL=no
233	>	fi
234		fi
235	+	SDL_SUPPORT=`echo "$SDL_SUPPORT" | sed -e "s/^ //"`
236	+	else
237	+	SDL_SUPPORT="none"
238		fi
239
240		dnl We need X11, if not using SDL.
#	Line 172 | Line 260 | AC_CHECK_LIB(pthread, pthread_create, ,
260		if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
261		AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
262		fi
263	<	AC_CHECK_FUNCS(pthread_cancel)
263	>	AC_CHECK_FUNCS(pthread_cond_init)
264	>	AC_CHECK_FUNCS(pthread_cancel pthread_testcancel)
265		AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
266		AC_CHECK_FUNCS(pthread_mutexattr_settype)
267		AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
#	Line 216 | Line 305 | fi
305
306		dnl We use GTK+ if possible.
307		UISRCS=../dummy/prefs_editor_dummy.cpp
308	<	if [[ "x$WANT_GTK" = "xyes" ]]; then
308	>	case "x$WANT_GTK" in
309	>	xgtk2*)
310	>	AM_PATH_GTK_2_0(1.3.15, [
311	>	GUI_CFLAGS="$GTK_CFLAGS"
312	>	GUI_LIBS="$GTK_LIBS"
313	>	WANT_GTK=gtk2
314	>	], [
315	>	case "x${WANT_GTK}x" in
316	>	*gtkx)
317	>	AC_MSG_WARN([Could not find GTK+ 2.0, trying with GTK+ 1.2.])
318	>	WANT_GTK=gtk
319	>	;;
320	>	*)
321	>	AC_MSG_WARN([Could not find GTK+, disabling user interface.])
322	>	WANT_GTK=no
323	>	;;
324	>	esac
325	>	])
326	>	;;
327	>	esac
328	>	if [[ "x$WANT_GTK" = "xgtk" ]]; then
329		AM_PATH_GTK(1.2.0, [
330	<	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
331	<	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
223	<	LIBS="$LIBS $GTK_LIBS"
224	<	UISRCS=prefs_editor_gtk.cpp
330	>	GUI_CFLAGS="$GTK_CFLAGS"
331	>	GUI_LIBS="$GTK_LIBS"
332		dnl somehow, <gnome-i18n.h> would redefine gettext() to nothing if
333		dnl ENABLE_NLS is not set, thusly conflicting with C++ <string> which
334		dnl includes <libintl.h>
335		AM_GNU_GETTEXT
336		B2_PATH_GNOMEUI([
337		AC_DEFINE(HAVE_GNOMEUI, 1, [Define if libgnomeui is available.])
338	<	CXXFLAGS="$CXXFLAGS $GNOMEUI_CFLAGS"
339	<	LIBS="$LIBS $GNOMEUI_LIBS"
338	>	GUI_CFLAGS="$GUI_CFLAGS $GNOMEUI_CFLAGS"
339	>	GUI_LIBS="$GUI_LIBS $GNOMEUI_LIBS"
340		], [])
341		], [
342		AC_MSG_WARN([Could not find GTK+, disabling user interface.])
343		WANT_GTK=no
344		])
345		fi
346	+	if [[ "x$WANT_GTK" != "xno" -a "x$WANT_STANDALONE_GUI" = "xno" ]]; then
347	+	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
348	+	UISRCS=prefs_editor_gtk.cpp
349	+	fi
350	+	AC_SUBST(GUI_CFLAGS)
351	+	AC_SUBST(GUI_LIBS)
352	+
353	+	dnl Build external GUI if requested.
354	+	if [[ "$WANT_STANDALONE_GUI" != "yes" ]]; then
355	+	WANT_STANDALONE_GUI=no
356	+	fi
357	+	if [[ "$WANT_GTK" = "no" ]]; then
358	+	WANT_STANDALONE_GUI=no
359	+	fi
360	+	AC_SUBST(STANDALONE_GUI, [$WANT_STANDALONE_GUI])
361
362		dnl We use ESD if possible.
363		if [[ "x$WANT_ESD" = "xyes" ]]; then
#	Line 255 | Line 377 | AC_SYS_LARGEFILE
377
378		dnl Checks for header files.
379		AC_HEADER_STDC
380	+	AC_CHECK_HEADERS(stdlib.h stdint.h)
381		AC_CHECK_HEADERS(unistd.h fcntl.h sys/types.h sys/time.h sys/mman.h mach/mach.h)
382		AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
383	<	AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h)
383	>	AC_CHECK_HEADERS(sys/socket.h sys/ioctl.h sys/filio.h sys/bitypes.h sys/wait.h)
384	>	AC_CHECK_HEADERS(sys/poll.h sys/select.h)
385	>	AC_CHECK_HEADERS(arpa/inet.h)
386	>	AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h, [], [], [
387	>	#ifdef HAVE_SYS_TYPES_H
388	>	#include <sys/types.h>
389	>	#endif
390	>	#ifdef HAVE_SYS_SOCKET_H
391	>	#include <sys/socket.h>
392	>	#endif
393	>	])
394		AC_CHECK_HEADERS(AvailabilityMacros.h)
395	+	AC_CHECK_HEADERS(IOKit/storage/IOBlockStorageDevice.h)
396
397		dnl Checks for typedefs, structures, and compiler characteristics.
398		AC_C_BIGENDIAN
#	Line 298 | Line 432 | if [[ "x$ac_cv_type_socklen_t" != "xyes"
432		fi
433
434		dnl Checks for library functions.
435	<	AC_CHECK_FUNCS(strdup cfmakeraw)
435	>	AC_CHECK_FUNCS(strdup strerror cfmakeraw)
436		AC_CHECK_FUNCS(clock_gettime timer_create)
437		AC_CHECK_FUNCS(sigaction signal)
438		AC_CHECK_FUNCS(mmap mprotect munmap)
439		AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
440	+	AC_CHECK_FUNCS(poll inet_aton)
441
442		dnl Darwin seems to define mach_task_self() instead of task_self().
443		AC_CHECK_FUNCS(mach_task_self task_self)
#	Line 329 | Line 464 | mips-sony-bsd|mips-sony-newsos4)
464		*-*-sco3.2v5*)
465		no_dev_ptmx=1
466		;;
467	+	*-*-cygwin*)
468	+	no_dev_ptmx=1
469	+	;;
470	+	*-*-darwin*)
471	+	no_dev_ptmx=1
472	+	;;
473		esac
474
475		if test -z "$no_dev_ptmx" ; then
#	Line 347 | Line 488 | AC_CHECK_FILE([/dev/ptc],
488		have_dev_ptc=1
489		]
490		)
350	–
491		dnl (end of code from openssh-3.2.2p1 configure.ac)
492
493	+	dnl Check for systems where POSIX-style non-blocking I/O (O_NONBLOCK)
494	+	dnl doesn't work or is unimplemented. On these systems (mostly older
495	+	dnl ones), use the old BSD-style FIONBIO approach instead. [tcl.m4]
496	+	AC_CACHE_CHECK([FIONBIO vs. O_NONBLOCK for non-blocking I/O],
497	+	ac_cv_nonblocking_io, [
498	+	case "$host" in
499	+	*-*-osf*)
500	+	ac_cv_nonblocking_io=FIONBIO
501	+	;;
502	+	*-*-sunos4*)
503	+	ac_cv_nonblocking_io=FIONBIO
504	+	;;
505	+	*-*-ultrix*)
506	+	ac_cv_nonblocking_io=FIONBIO
507	+	;;
508	+	*)
509	+	ac_cv_nonblocking_io=O_NONBLOCK
510	+	;;
511	+	esac
512	+	])
513	+	if [[ "$ac_cv_nonblocking_io" = "FIONBIO" ]]; then
514	+	AC_DEFINE(USE_FIONBIO, 1, [Define if BSD-style non-blocking I/O is to be used])
515	+	fi
516	+
517	+	dnl Check whether compiler supports byte bit-fields
518	+	AC_CACHE_CHECK([whether compiler supports byte bit-fields],
519	+	ac_cv_have_byte_bitfields, [
520	+	AC_LANG_SAVE
521	+	AC_LANG_CPLUSPLUS
522	+	AC_TRY_RUN([
523	+	struct A {
524	+	unsigned char b1:4;
525	+	unsigned char b2:4;
526	+	unsigned char c;
527	+	unsigned short s;
528	+	unsigned char a[4];
529	+	};
530	+
531	+	int main(void) {
532	+	A a;
533	+	return ! (sizeof(A) == 8 && &a.c == ((unsigned char *)&a + 1));
534	+	}],
535	+	[ac_cv_have_byte_bitfields=yes],
536	+	[ac_cv_have_byte_bitfields=no],
537	+	dnl When cross-compiling, assume only GCC supports this
538	+	[if [[ "$GCC" = "yes" ]]; then
539	+	ac_cv_have_byte_bitfields="guessing yes"
540	+	else
541	+	ac_cv_have_byte_bitfields="guessing no"
542	+	fi]
543	+	)
544	+	AC_LANG_RESTORE
545	+	])
546
547		dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
548	<	AC_DEFUN(AC_CHECK_FRAMEWORK, [
548	>	AC_DEFUN([AC_CHECK_FRAMEWORK], [
549		AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
550		AC_CACHE_CHECK([whether compiler supports framework $1],
551		ac_Framework, [
552		saved_LIBS="$LIBS"
553		LIBS="$LIBS -framework $1"
554		AC_TRY_LINK(
555	<	[$2], [int main(void) { return 0; }],
555	>	[$2], [],
556		[AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
557		)
558		])
#	Line 370 | Line 563 | AC_DEFUN(AC_CHECK_FRAMEWORK, [
563		])
564
565		dnl Check for some MacOS X frameworks
566	+	AC_CHECK_FRAMEWORK(AppKit, [])
567		AC_CHECK_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>])
568		AC_CHECK_FRAMEWORK(IOKit, [#include <IOKit/IOKitLib.h>])
569	+	AC_CHECK_FRAMEWORK(CoreFoundation, [#include <CoreFoundation/CoreFoundation.h>])
570
571		dnl Select system-dependant source files.
572		SERIALSRC=serial_unix.cpp
573		ETHERSRC=../dummy/ether_dummy.cpp
574		SCSISRC=../dummy/scsi_dummy.cpp
575		AUDIOSRC=../dummy/audio_dummy.cpp
576	+	EXTFSSRC=extfs_unix.cpp
577		EXTRASYSSRCS=
578		CAN_NATIVE_M68K=no
579		case "$target_os" in
#	Line 411 | Line 607 | freebsd*)
607		;;
608		netbsd*)
609		CAN_NATIVE_M68K=yes
610	+	ETHERSRC=ether_unix.cpp
611		;;
612		solaris*)
613		AUDIOSRC=Solaris/audio_solaris.cpp
614		DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
615		;;
616		irix*)
420	–	ETHERSRC=ether_unix.cpp
617		AUDIOSRC=Irix/audio_irix.cpp
618		EXTRASYSSRCS=Irix/unaligned.c
423	–	dnl IRIX headers work fine, but somehow don't define or use "STDC_HEADERS"
424	–	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200 -DSTDC_HEADERS"
619		LIBS="$LIBS -laudio"
620		WANT_ESD=no
621
#	Line 431 | Line 625 | irix*)
625		CFLAGS=`echo "$CFLAGS -IPA" | sed -e "s/-g//g"`
626		AC_MSG_CHECKING(if "-IPA" works)
627		dnl Do a test compile of an empty function
628	<	AC_TRY_COMPILE(,, [AC_MSG_RESULT(yes); HAVE_IPA=yes], AC_MSG_RESULT(no))
628	>	AC_TRY_COMPILE([#if defined __GNUC__
629	>	# error GCC does not support IPA yet
630	>	#endif],, [AC_MSG_RESULT(yes); HAVE_IPA=yes], AC_MSG_RESULT(no))
631		CFLAGS="$ocflags"
632		;;
633		darwin*)
634	<	if [[ "x$ac_cv_framework_IOKit" = "xyes" ]]; then
634	>	ETHERSRC=ether_unix.cpp
635	>	if [[ "x$ac_cv_framework_IOKit" = "xyes" -a "x$ac_cv_framework_CoreFoundation" = "xyes" ]]; then
636		EXTRASYSSRCS="../MacOSX/sys_darwin.cpp"
637		fi
638	+	if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
639	+	EXTFSSRC=../MacOSX/extfs_macosx.cpp
640	+	fi
641	+	;;
642	+	cygwin*)
643	+	SERIALSRC="../dummy/serial_dummy.cpp"
644	+	EXTRASYSSRCS="../Windows/BasiliskII.rc"
645	+	;;
646	+	esac
647	+
648	+	dnl Is the slirp library supported?
649	+	case "$ac_cv_have_byte_bitfields" in
650	+	yes|"guessing yes")
651	+	CAN_SLIRP=yes
652	+	ETHERSRC=ether_unix.cpp
653		;;
654		esac
655	+	if [[ -n "$CAN_SLIRP" ]]; then
656	+	AC_DEFINE(HAVE_SLIRP, 1, [Define if slirp library is supported])
657	+	SLIRP_SRCS="\
658	+	../slirp/bootp.c     ../slirp/ip_output.c  ../slirp/tcp_input.c  \
659	+	../slirp/cksum.c     ../slirp/mbuf.c       ../slirp/tcp_output.c \
660	+	../slirp/debug.c     ../slirp/misc.c       ../slirp/tcp_subr.c   \
661	+	../slirp/if.c        ../slirp/sbuf.c       ../slirp/tcp_timer.c  \
662	+	../slirp/ip_icmp.c   ../slirp/slirp.c      ../slirp/tftp.c       \
663	+	../slirp/ip_input.c  ../slirp/socket.c     ../slirp/udp.c"
664	+	fi
665	+	AC_SUBST(SLIRP_SRCS)
666	+
667		dnl SDL overrides
668		if [[ "x$WANT_SDL" = "xyes" ]]; then
669		AC_DEFINE(USE_SDL, 1, [Define to enble SDL support])
670	+	if [[ "x$WANT_SDL_FRAMEWORK" = "xyes" ]]; then
671	+	EXTRASYSSRCS="$EXTRASYSSRCS ../SDL/SDLMain.m"
672	+	fi
673		fi
674		if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
448	–	VIDEOSRCS="../SDL/video_sdl.cpp"
675		AC_DEFINE(USE_SDL_VIDEO, 1, [Define to enable SDL video graphics support])
676	+	VIDEOSRCS="../SDL/video_sdl.cpp"
677		KEYCODES="../SDL/keycodes"
678		if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
679		EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx.cpp"
680		else
681	<	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
681	>	case "$target_os" in
682	>	cygwin*)
683	>	EXTRASYSSRCS="$EXTRASYSSRCS ../Windows/clip_windows.cpp"
684	>	;;
685	>	*)
686	>	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
687	>	;;
688	>	esac
689		fi
690		else
691		VIDEOSRCS="video_x.cpp"
692		KEYCODES="keycodes"
693		EXTRASYSSRCS="$EXTRASYSSRCS clip_unix.cpp"
694		fi
695	+	if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
696	+	AC_DEFINE(USE_SDL_AUDIO, 1, [Define to enable SDL audio support])
697	+	AUDIOSRC="../SDL/audio_sdl.cpp"
698	+	fi
699
700		dnl Use 68k CPU natively?
701		WANT_NATIVE_M68K=no
#	Line 473 | Line 711 | if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
711		ETHERSRC=../dummy/ether_dummy.cpp
712		AUDIOSRC=../dummy/audio_dummy.cpp
713		fi
714	<	SYSSRCS="$VIDEOSRCS $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
714	>	SYSSRCS="$VIDEOSRCS $EXTFSSRC $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
715
716		dnl Define a macro that translates a yesno-variable into a C macro definition
717		dnl to be put into the config.h file
718		dnl $1 -- the macro to define
719		dnl $2 -- the value to translate
720		dnl $3 -- template name
721	<	AC_DEFUN(AC_TRANSLATE_DEFINE, [
721	>	AC_DEFUN([AC_TRANSLATE_DEFINE], [
722		if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then
723		AC_DEFINE($1, 1, $3)
724		fi
#	Line 758 | Line 996 | AC_CACHE_CHECK([whether your system supp
996		AC_LANG_SAVE
997		AC_LANG_CPLUSPLUS
998		AC_TRY_RUN([
999	+	#define HAVE_UNISTD_H 1
1000	+	#define HAVE_MACH_VM 1
1001	+	#define HAVE_MACH_TASK_SELF 1
1002		#define HAVE_MACH_EXCEPTIONS 1
1003		#define CONFIGURE_TEST_SIGSEGV_RECOVERY
1004		#include "vm_alloc.cpp"
#	Line 776 | Line 1017 | AC_CACHE_CHECK([whether your system supp
1017		AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions",
1018		[Define if your system supports Mach exceptions.])
1019
1020	+	dnl Check if Windows exceptions are supported.
1021	+	AC_CACHE_CHECK([whether your system supports Windows exceptions],
1022	+	ac_cv_have_win32_exceptions, [
1023	+	AC_LANG_SAVE
1024	+	AC_LANG_CPLUSPLUS
1025	+	AC_TRY_RUN([
1026	+	#define HAVE_WIN32_EXCEPTIONS 1
1027	+	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
1028	+	#include "vm_alloc.cpp"
1029	+	#include "sigsegv.cpp"
1030	+	], [
1031	+	sigsegv_recovery=win32
1032	+	ac_cv_have_win32_exceptions=yes
1033	+	],
1034	+	ac_cv_have_win32_exceptions=no,
1035	+	dnl When cross-compiling, do not assume anything.
1036	+	ac_cv_have_win32_exceptions=no
1037	+	)
1038	+	AC_LANG_RESTORE
1039	+	]
1040	+	)
1041	+	AC_TRANSLATE_DEFINE(HAVE_WIN32_EXCEPTIONS, "$ac_cv_have_win32_exceptions",
1042	+	[Define if your system supports Windows exceptions.])
1043	+
1044		dnl Otherwise, check if extended signals are supported.
1045		if [[ -z "$sigsegv_recovery" ]]; then
1046		AC_CACHE_CHECK([whether your system supports extended signal handlers],
#	Line 856 | Line 1121 | fi
1121		dnl A dummy program that returns always true
1122		AC_PATH_PROG([BLESS], "true")
1123
1124	+	dnl Check for linker script support
1125	+	case $target_os:$target_cpu in
1126	+	linux*:i?86)    LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1127	+	linux*:x86_64)  LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-x86_64.ld";;
1128	+	linux*:powerpc) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-ppc.ld";;
1129	+	netbsd*:i?86)   LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1130	+	freebsd*:i?86)  LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/freebsd-i386.ld";;
1131	+	darwin*:*)      LINKER_SCRIPT_FLAGS="-Wl,-seg1addr,0x78048000";;
1132	+	esac
1133	+	if [[ -n "$LINKER_SCRIPT_FLAGS" ]]; then
1134	+	AC_CACHE_CHECK([whether linker script is usable],
1135	+	ac_cv_linker_script_works, [
1136	+	AC_LANG_SAVE
1137	+	AC_LANG_CPLUSPLUS
1138	+	saved_LDFLAGS="$LDFLAGS"
1139	+	LDFLAGS="$LDFLAGS $LINKER_SCRIPT_FLAGS"
1140	+	AC_TRY_RUN(
1141	+	[int main() {if ((char *)&main < (char *)0x70000000) return 1;}],
1142	+	[ac_cv_linker_script_works=yes],
1143	+	[ac_cv_linker_script_works=no],
1144	+	dnl When cross-compiling, assume it works
1145	+	[ac_cv_linker_script_works="guessing yes"]
1146	+	)
1147	+	AC_LANG_RESTORE
1148	+	if [[ "$ac_cv_linker_script_works" = "no" ]]; then
1149	+	LDFLAGS="$saved_LDFLAGS"
1150	+	LINKER_SCRIPT_FLAGS=""
1151	+	fi
1152	+	])
1153	+	fi
1154	+	AC_TRANSLATE_DEFINE(HAVE_LINKER_SCRIPT, "$ac_cv_linker_script_works",
1155	+	[Define if there is a linker script to relocate the executable above 0x70000000.])
1156	+
1157		dnl Determine the addressing mode to use
1158		if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
1159		ADDRESSING_MODE="real"
#	Line 933 | Line 1231 | AC_MSG_RESULT($HAVE_GAS)
1231		dnl Check for GCC 2.7 or higher.
1232		HAVE_GCC27=no
1233		AC_MSG_CHECKING(for GCC 2.7 or higher)
1234	<	AC_EGREP_CPP(xyes,
1235	<	[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5
1236	<	xyes
1237	<	#endif
1238	<	], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
1234	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5)
1235	>	# error gcc < 2.7
1236	>	#endif
1237	>	]])],
1238	>	[AC_MSG_RESULT(yes); HAVE_GCC27=yes],
1239	>	[AC_MSG_RESULT(no)])
1240
1241		dnl Check for GCC 3.0 or higher.
1242		HAVE_GCC30=no
1243		AC_MSG_CHECKING(for GCC 3.0 or higher)
1244	<	AC_EGREP_CPP(xyes,
1245	<	[#if __GNUC__ >= 3
1246	<	xyes
1247	<	#endif
1248	<	], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
1244	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ >= 3)
1245	>	# error gcc < 3
1246	>	#endif
1247	>	]])],
1248	>	[AC_MSG_RESULT(yes); HAVE_GCC30=yes],
1249	>	[AC_MSG_RESULT(no)])
1250	>
1251	>	dnl Check for ICC.
1252	>	AC_MSG_CHECKING(for ICC)
1253	>	HAVE_ICC=no
1254	>	if $CXX -V -v 2>&1 | grep -q "Intel(R) C++ Compiler"; then
1255	>	HAVE_ICC=yes
1256	>	fi
1257	>	AC_MSG_RESULT($HAVE_ICC)
1258
1259		dnl Set "-fomit-frame-pointer" on i386 GCC 2.7 or higher.
1260		dnl Also set "-fno-exceptions" for C++ because exception handling requires
#	Line 961 | Line 1269 | dnl As of 2001/08/02, this affects the f
1269		dnl Official: probably gcc-3.1 (mainline CVS)
1270		dnl Mandrake: gcc-2.96 >= 0.59mdk, gcc-3.0.1 >= 0.1mdk
1271		dnl Red Hat : gcc-2.96 >= 89, gcc-3.0 >= 1
1272	<	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
1272	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1273		SAVED_CXXFLAGS="$CXXFLAGS"
1274		CXXFLAGS="$CXXFLAGS -fno-merge-constants"
1275		AC_CACHE_CHECK([whether GCC supports constants merging], ac_cv_gcc_constants_merging, [
#	Line 975 | Line 1283 | if [[ "x$HAVE_GCC27" = "xyes" ]]; then
1283		fi
1284		fi
1285
1286	+	dnl Store motion was introduced in 3.3-hammer branch and any gcc >= 3.4
1287	+	dnl However, there are some corner cases exposed on x86-64
1288	+	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1289	+	SAVED_CXXFLAGS="$CXXFLAGS"
1290	+	CXXFLAGS="$CXXFLAGS -fno-gcse-sm"
1291	+	AC_CACHE_CHECK([whether GCC supports store motion], ac_cv_gcc_store_motion, [
1292	+	AC_LANG_SAVE
1293	+	AC_LANG_CPLUSPLUS
1294	+	AC_TRY_COMPILE([],[],[ac_cv_gcc_store_motion=yes],[ac_cv_gcc_store_motion=no])
1295	+	AC_LANG_RESTORE
1296	+	])
1297	+	if [[ "x$ac_cv_gcc_store_motion" != "xyes" ]]; then
1298	+	CXXFLAGS="$SAVED_CXXFLAGS"
1299	+	fi
1300	+	fi
1301	+
1302	+	dnl Add -fno-strict-aliasing for slirp sources
1303	+	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1304	+	SAVED_CFLAGS="$CFLAGS"
1305	+	CFLAGS="$CFLAGS -fno-strict-aliasing"
1306	+	AC_CACHE_CHECK([whether the compiler supports -fno-strict-aliasing],
1307	+	ac_cv_gcc_no_strict_aliasing, [
1308	+	AC_TRY_COMPILE([],[],
1309	+	[ac_cv_gcc_no_strict_aliasing=yes; AC_SUBST(SLIRP_CFLAGS, "-fno-strict-aliasing")],
1310	+	[ac_cv_gcc_no_strict_aliasing=no])
1311	+	])
1312	+	CFLAGS="$SAVED_CFLAGS"
1313	+	fi
1314	+
1315	+	dnl Add -mdynamic-no-pic for MacOS X (XXX icc10 will support MacOS X)
1316	+	if [[ "x$HAVE_GCC30" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1317	+	SAVED_CFLAGS="$CFLAGS"
1318	+	CFLAGS="$CFLAGS -mdynamic-no-pic"
1319	+	AC_CACHE_CHECK([whether the compiler supports -mdynamic-no-pic],
1320	+	ac_cv_gcc_mdynamic_no_pic, [
1321	+	AC_TRY_COMPILE([],[],[ac_cv_gcc_mdynamic_no_pic=yes],[ac_cv_gcc_mdynamic_no_pic=no])
1322	+	])
1323	+	if [[ "x$ac_cv_gcc_mdynamic_no_pic" = "xyes" ]]; then
1324	+	CXXFLAGS="$CXXFLAGS -mdynamic-no-pic"
1325	+	else
1326	+	CFLAGS="$SAVED_CFLAGS"
1327	+	fi
1328	+	fi
1329	+
1330		dnl Select appropriate CPU source and REGPARAM define.
1331		ASM_OPTIMIZATIONS=none
1332		CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
#	Line 999 | Line 1351 | elif [[ "x$HAVE_GCC30" = "xyes" -a "x$HA
1351		if [[ "x$HAVE_GAS" = "xyes" ]]; then
1352		ASM_OPTIMIZATIONS="x86-64"
1353		DEFINES="$DEFINES -DX86_64_ASSEMBLY -DOPTIMIZED_FLAGS"
1354	+	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 $JITSRCS"
1355	+	CAN_JIT=yes
1356		fi
1357		elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
1358		dnl SPARC CPU
#	Line 1252 | Line 1606 | fi
1606
1607		dnl Remove the "-g" option if set for GCC.
1608		if [[ "x$HAVE_GCC27" = "xyes" ]]; then
1609	<	CFLAGS=`echo $CFLAGS | sed -e 's/-g//g'`
1610	<	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/-g//g'`
1609	>	CFLAGS=`echo $CFLAGS | sed -e 's/-g\b//g'`
1610	>	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/-g\b//g'`
1611		fi
1612
1613		dnl Or if we have -IPA (MIPSPro compilers)

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