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

Comparing SheepShaver/src/Unix/configure.ac (file contents):
Revision 1.18 by gbeauche, 2005-03-05T19:07:35Z vs.
Revision 1.56 by asvitkine, 2007-01-24T14:33:52Z

#	Line 1 | Line 1
1		dnl Process this file with autoconf to produce a configure script.
2		dnl Written in 2002 by Christian Bauer
3
4	<	AC_INIT([SheepShaver], 2.2, [Christian.Bauer@uni-mainz.de], SheepShaver)
4	>	AC_INIT([SheepShaver], 2.3, [Christian.Bauer@uni-mainz.de], SheepShaver)
5		AC_CONFIG_SRCDIR(main_unix.cpp)
6		AC_PREREQ(2.52)
7		AC_CONFIG_HEADER(config.h)
#	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	+	dnl Invite Cygwin users to build within the Windows/ directory
18	+	case $target_os in
19	+	*cygwin* | *mingw32*)
20	+	AC_MSG_ERROR([You can only build the Windows version from its directory, Cygwin/X11 is not supported.])
21	+	;;
22	+	esac
23	+
24		dnl Options.
25		AC_ARG_ENABLE(jit,          [  --enable-jit            enable JIT compiler [default=yes]], [WANT_JIT=$enableval], [WANT_JIT=yes])
26		AC_ARG_ENABLE(ppc-emulator, [  --enable-ppc-emulator   use the selected PowerPC emulator [default=auto]], [WANT_EMULATED_PPC=$enableval], [WANT_EMULATED_PPC=auto])
27	+	AC_ARG_ENABLE(fbdev-dga,    [  --enable-fbdev-dga      use direct frame buffer access via /dev/fb0 [default=yes]], [WANT_FBDEV_DGA=$enableval], [WANT_FBDEV_DGA=yes])
28		AC_ARG_ENABLE(xf86-dga,     [  --enable-xf86-dga       use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes])
29	<	AC_ARG_ENABLE(xf86-vidmode, [  --enable-xf86-vidmode   use the XFree86 VidMode extension [default=no]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=no])
29	>	AC_ARG_ENABLE(xf86-vidmode, [  --enable-xf86-vidmode   use the XFree86 VidMode extension [default=yes]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=yes])
30		AC_ARG_ENABLE(vosf,         [  --enable-vosf           enable video on SEGV signals [default=yes]], [WANT_VOSF=$enableval], [WANT_VOSF=yes])
31	+	AC_ARG_ENABLE(standalone-gui,[  --enable-standalone-gui enable a standalone GUI prefs editor [default=no]], [WANT_STANDALONE_GUI=$enableval], [WANT_STANDALONE_GUI=no])
32		AC_ARG_WITH(esd,            [  --with-esd              support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes])
33	<	AC_ARG_WITH(gtk,            [  --with-gtk              use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes])
33	>	AC_ARG_WITH(gtk,            [  --with-gtk              use GTK user interface [default=yes]],
34	>	[case "$withval" in
35	>	gtk1)      WANT_GTK="gtk";;
36	>	gtk|gtk2)  WANT_GTK="$withval";;
37	>	yes)       WANT_GTK="gtk2 gtk";;
38	>	*)         WANT_GTK="no";;
39	>	esac],
40	>	[WANT_GTK="gtk2 gtk"])
41		AC_ARG_WITH(mon,            [  --with-mon              use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes])
42		AC_ARG_WITH(dgcc,           [  --with-dgcc=COMPILER    use C++ COMPILER to compile synthetic opcodes], [DYNGEN_CC=$withval])
43
#	Line 110 | Line 126 | AC_SUBST(MONSRCS)
126
127		dnl Checks for libraries.
128		AC_CHECK_LIB(posix4, sem_init)
129	+	AC_CHECK_LIB(m, cos)
130
131		dnl Do we need SDL?
132		WANT_SDL=no
#	Line 127 | Line 144 | fi
144		if [[ "x$WANT_SDL" = "xyes" ]]; then
145		AC_PATH_PROG(sdl_config, "sdl-config")
146		if [[ -n "$sdl_config" ]]; then
147	<	case $target_os in
148	<	# Special treatment for Cygwin so that we can still use the POSIX layer
149	<	*cygwin*)
150	<	sdl_cflags="-I`$sdl_config --prefix`/include/SDL"
151	<	sdl_libs="-L`$sdl_config --exec-prefix`/lib -lSDL"
152	<	;;
136	<	*)
137	<	sdl_cflags=`$sdl_config --cflags`
138	<	if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
139	<	sdl_libs=`$sdl_config --static-libs`
140	<	else
141	<	sdl_libs=`$sdl_config --libs`
142	<	fi
143	<	;;
144	<	esac
147	>	sdl_cflags=`$sdl_config --cflags`
148	>	if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
149	>	sdl_libs=`$sdl_config --static-libs`
150	>	else
151	>	sdl_libs=`$sdl_config --libs`
152	>	fi
153		CFLAGS="$CFLAGS $sdl_cflags"
154		CXXFLAGS="$CXXFLAGS $sdl_cflags"
155		LIBS="$LIBS $sdl_libs"
#	Line 177 | Line 185 | no:linux*|no:netbsd*)
185		AC_CHECK_LIB(pthread, pthread_create, , [
186		AC_CHECK_LIB(c_r, pthread_create, , [
187		AC_CHECK_LIB(PTL, pthread_create, , [
188	<	AC_MSG_ERROR([You need pthreads to run Basilisk II.])
188	>	dnl XXX remove when no pthreads case is merged
189	>	AC_MSG_ERROR([You need pthreads to run SheepShaver.])
190	>	HAVE_PTHREADS=no
191		])
192		])
193		])
194		AC_CHECK_FUNCS(pthread_cancel)
195	+	AC_CHECK_FUNCS(pthread_cond_init pthread_testcancel)
196		AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
197		AC_CHECK_FUNCS(pthread_mutexattr_settype)
198		AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
188	–	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
189	–	AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
190	–	fi
199		dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
200		SEMSRC=
201		AC_CHECK_FUNCS(sem_init, , [
#	Line 197 | Line 205 | no:linux*|no:netbsd*)
205		])
206		;;
207		esac
208	+	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
209	+	AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
210	+	fi
211	+
212	+	dnl We use FBDev DGA if possible.
213	+	if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
214	+	AC_CHECK_HEADER(linux/fb.h, [
215	+	AC_DEFINE(ENABLE_FBDEV_DGA, 1, [Define if using Linux fbdev extension.])
216	+	], [
217	+	AC_MSG_WARN([Could not find Linux FBDev extension, ignoring --enable-fbdev-dga.])
218	+	WANT_FBDEV_DGA=no
219	+	])
220	+	fi
221
222		dnl We use XFree86 DGA if possible.
223		if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
#	Line 222 | Line 243 | fi
243
244		dnl We use GTK+ if possible.
245		UISRCS=../dummy/prefs_editor_dummy.cpp
246	<	if [[ "x$WANT_GTK" = "xyes" ]]; then
246	>	case "x$WANT_GTK" in
247	>	xgtk2*)
248	>	WANT_GTK=no
249	>	ifdef([AM_PATH_GTK_2_0],
250	>	AM_PATH_GTK_2_0(1.3.15, [
251	>	GUI_CFLAGS="$GTK_CFLAGS"
252	>	GUI_LIBS="$GTK_LIBS"
253	>	WANT_GTK=gtk2
254	>	], [
255	>	case "x${WANT_GTK}x" in
256	>	*gtkx)
257	>	AC_MSG_WARN([Could not find GTK+ 2.0, trying with GTK+ 1.2.])
258	>	WANT_GTK=gtk
259	>	;;
260	>	*)
261	>	AC_MSG_WARN([Could not find GTK+, disabling user interface.])
262	>	WANT_GTK=no
263	>	;;
264	>	esac
265	>	]))
266	>	esac
267	>	if [[ "x$WANT_GTK" = "xgtk" ]]; then
268	>	WANT_GTK=no
269	>	ifdef([AM_PATH_GTK],
270		AM_PATH_GTK(1.2.0, [
271	<	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
272	<	CFLAGS="$CFLAGS $GTK_CFLAGS"
273	<	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
230	<	LIBS="$LIBS $GTK_LIBS"
231	<	UISRCS=prefs_editor_gtk.cpp
271	>	GUI_CFLAGS="$GTK_CFLAGS"
272	>	GUI_LIBS="$GTK_LIBS"
273	>	WANT_GTK=gtk
274		], [
275		AC_MSG_WARN([Could not find GTK+, disabling user interface.])
276	<	WANT_GTK=no
277	<	])
276	>	]))
277	>	fi
278	>	if [[ "x$WANT_GTK" != "xno" -a "x$WANT_STANDALONE_GUI" = "xno" ]]; then
279	>	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
280	>	UISRCS=prefs_editor_gtk.cpp
281		fi
282	+	AC_SUBST(GUI_CFLAGS)
283	+	AC_SUBST(GUI_LIBS)
284	+
285	+	dnl Build external GUI if requested.
286	+	if [[ "$WANT_STANDALONE_GUI" != "yes" ]]; then
287	+	WANT_STANDALONE_GUI=no
288	+	fi
289	+	if [[ "$WANT_GTK" = "no" ]]; then
290	+	WANT_STANDALONE_GUI=no
291	+	fi
292	+	AC_SUBST(STANDALONE_GUI, [$WANT_STANDALONE_GUI])
293
294		dnl We use ESD if possible.
295		if [[ "x$WANT_ESD" = "xyes" ]]; then
296	+	WANT_ESD=no
297	+	ifdef([AM_PATH_ESD],
298		AM_PATH_ESD(0.2.8, [
299		AC_DEFINE(ENABLE_ESD, 1, [Define is using ESD.])
300		CFLAGS="$CFLAGS $ESD_CFLAGS"
301		CXXFLAGS="$CXXFLAGS $ESD_CFLAGS"
302		LIBS="$LIBS $ESD_LIBS"
303	+	WANT_ESD=yes
304		], [
305		AC_MSG_WARN([Could not find ESD, disabling ESD support.])
306	<	WANT_ESD=no
248	<	])
306	>	]))
307		fi
308
309		dnl We use 64-bit file size support if possible.
#	Line 254 | Line 312 | AC_SYS_LARGEFILE
312		dnl Checks for header files.
313		AC_HEADER_STDC
314		AC_HEADER_SYS_WAIT
315	<	AC_CHECK_HEADERS(malloc.h)
315	>	AC_CHECK_HEADERS(malloc.h stdint.h)
316		AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h)
259	–	AC_CHECK_HEADERS(sys/time.h sys/times.h sys/socket.h)
317		AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h dirent.h)
318	<	AC_CHECK_HEADERS(linux/if.h, [], [], [
319	<	#if HAVE_SYS_SOCKET_H
320	<	# include <sys/socket.h>
318	>	AC_CHECK_HEADERS(sys/socket.h sys/ioctl.h sys/filio.h sys/bitypes.h sys/wait.h)
319	>	AC_CHECK_HEADERS(sys/time.h sys/poll.h sys/select.h arpa/inet.h)
320	>	AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h, [], [], [
321	>	#ifdef HAVE_SYS_TYPES_H
322	>	#include <sys/types.h>
323	>	#endif
324	>	#ifdef HAVE_SYS_SOCKET_H
325	>	#include <sys/socket.h>
326		#endif
327		])
328	<	AC_CHECK_HEADERS(linux/if_tun.h net/if.h net/if_tun.h)
328	>	AC_CHECK_HEADERS(AvailabilityMacros.h)
329	>	AC_CHECK_HEADERS(IOKit/storage/IOBlockStorageDevice.h)
330		AC_CHECK_HEADERS(fenv.h)
331
332		dnl Checks for typedefs, structures, and compiler characteristics.
#	Line 284 | Line 347 | AC_TYPE_SIGNAL
347		AC_HEADER_TIME
348		AC_STRUCT_TM
349
350	+	dnl Check whether sys/socket.h defines type socklen_t.
351	+	dnl (extracted from ac-archive/Miscellaneous)
352	+	AC_CACHE_CHECK([for socklen_t],
353	+	ac_cv_type_socklen_t, [
354	+	AC_TRY_COMPILE([
355	+	#include <sys/types.h>
356	+	#include <sys/socket.h>
357	+	], [socklen_t len = 42; return 0;],
358	+	ac_cv_type_socklen_t=yes, ac_cv_type_socklen_t=no,
359	+	dnl When cross-compiling, do not assume anything.
360	+	ac_cv_type_socklen_t="guessing no"
361	+	)
362	+	])
363	+	if [[ "x$ac_cv_type_socklen_t" != "xyes" ]]; then
364	+	AC_DEFINE(socklen_t, int, [Define to 'int' if <sys/types.h> doesn't define.])
365	+	fi
366	+
367		dnl Check whether struct sigaction has sa_restorer member.
368		AC_CACHE_CHECK([whether struct sigaction has sa_restorer],
369		ac_cv_signal_sa_restorer, [
#	Line 300 | Line 380 | if [[ "x$ac_cv_signal_sa_restorer" = "xy
380		fi
381
382		dnl Checks for library functions.
383	<	AC_CHECK_FUNCS(strdup strlcpy cfmakeraw)
383	>	AC_CHECK_FUNCS(strdup strerror strlcpy cfmakeraw)
384		AC_CHECK_FUNCS(nanosleep)
385		AC_CHECK_FUNCS(sigaction signal)
386		AC_CHECK_FUNCS(mmap mprotect munmap)
387		AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
388	<	AC_CHECK_FUNCS(posix_memalign memalign valloc)
389	<	AC_CHECK_FUNCS(exp2f log2f exp2 log2 trunc)
388	>	AC_CHECK_FUNCS(exp2f log2f exp2 log2)
389	>	AC_CHECK_FUNCS(floorf roundf ceilf truncf floor round ceil trunc)
390	>	AC_CHECK_FUNCS(poll inet_aton)
391
392		dnl Darwin seems to define mach_task_self() instead of task_self().
393		AC_CHECK_FUNCS(mach_task_self task_self)
#	Line 366 | Line 447 | AC_CHECK_FILE([/dev/ptc],
447		)
448		dnl (end of code from openssh-3.2.2p1 configure.ac)
449
450	+	dnl Check for systems where POSIX-style non-blocking I/O (O_NONBLOCK)
451	+	dnl doesn't work or is unimplemented. On these systems (mostly older
452	+	dnl ones), use the old BSD-style FIONBIO approach instead. [tcl.m4]
453	+	AC_CACHE_CHECK([FIONBIO vs. O_NONBLOCK for non-blocking I/O],
454	+	ac_cv_nonblocking_io, [
455	+	case "$host" in
456	+	*-*-osf*)
457	+	ac_cv_nonblocking_io=FIONBIO
458	+	;;
459	+	*-*-sunos4*)
460	+	ac_cv_nonblocking_io=FIONBIO
461	+	;;
462	+	*-*-ultrix*)
463	+	ac_cv_nonblocking_io=FIONBIO
464	+	;;
465	+	*)
466	+	ac_cv_nonblocking_io=O_NONBLOCK
467	+	;;
468	+	esac
469	+	])
470	+	if [[ "$ac_cv_nonblocking_io" = "FIONBIO" ]]; then
471	+	AC_DEFINE(USE_FIONBIO, 1, [Define if BSD-style non-blocking I/O is to be used])
472	+	fi
473	+
474	+	dnl Check whether compiler supports byte bit-fields
475	+	AC_CACHE_CHECK([whether compiler supports byte bit-fields],
476	+	ac_cv_have_byte_bitfields, [
477	+	AC_LANG_SAVE
478	+	AC_LANG_CPLUSPLUS
479	+	AC_TRY_RUN([
480	+	struct A {
481	+	unsigned char b1:4;
482	+	unsigned char b2:4;
483	+	unsigned char c;
484	+	unsigned short s;
485	+	unsigned char a[4];
486	+	};
487	+
488	+	int main(void) {
489	+	A a;
490	+	return ! (sizeof(A) == 8 && &a.c == ((unsigned char *)&a + 1));
491	+	}],
492	+	[ac_cv_have_byte_bitfields=yes],
493	+	[ac_cv_have_byte_bitfields=no],
494	+	dnl When cross-compiling, assume only GCC supports this
495	+	[if [[ "$GCC" = "yes" ]]; then
496	+	ac_cv_have_byte_bitfields="guessing yes"
497	+	else
498	+	ac_cv_have_byte_bitfields="guessing no"
499	+	fi]
500	+	)
501	+	AC_LANG_RESTORE
502	+	])
503	+
504		dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
505	<	AC_DEFUN(AC_CHECK_FRAMEWORK, [
505	>	AC_DEFUN([AC_CHECK_FRAMEWORK], [
506		AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
507		AC_CACHE_CHECK([whether compiler supports framework $1],
508		ac_Framework, [
509		saved_LIBS="$LIBS"
510		LIBS="$LIBS -framework $1"
511		AC_TRY_LINK(
512	<	[$2], [int main(void) { return 0; }],
512	>	[$2], [],
513		[AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
514		)
515		])
#	Line 387 | Line 522 | AC_DEFUN(AC_CHECK_FRAMEWORK, [
522		dnl Check for some MacOS X frameworks
523		AC_CHECK_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>])
524		AC_CHECK_FRAMEWORK(IOKit, [#include <IOKit/IOKitLib.h>])
525	+	AC_CHECK_FRAMEWORK(CoreFoundation, [#include <CoreFoundation/CoreFoundation.h>])
526
527		dnl Select system-dependant sources.
528		SERIALSRC=serial_unix.cpp
#	Line 397 | Line 533 | EXTFSSRC=extfs_unix.cpp
533		EXTRASYSSRCS=
534		case "$target_os" in
535		linux*)
536	<	ETHERSRC=Linux/ether_linux.cpp
536	>	ETHERSRC=ether_unix.cpp
537		AUDIOSRC=audio_oss_esd.cpp
538		SCSISRC=Linux/scsi_linux.cpp
539		if [[ "x$EMULATED_PPC" = "xno" ]]; then
540	<	EXTRASYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c ppc_asm.S"
540	>	EXTRASYSSRCS="paranoia.cpp Linux/sheepthreads.c ppc_asm.S"
541		fi
542		;;
543	+	freebsd*)
544	+	ETHERSRC=ether_unix.cpp
545	+	;;
546		netbsd*)
547	+	ETHERSRC=ether_unix.cpp
548		if [[ "x$EMULATED_PPC" = "xno" ]]; then
549	<	EXTRASYSSRCS="NetBSD/paranoia.cpp NetBSD/sheepthreads.c ppc_asm.S"
549	>	EXTRASYSSRCS="paranoia.cpp NetBSD/sheepthreads.c ppc_asm.S"
550		fi
551		;;
552		darwin*)
553	+	ETHERSRC=ether_unix.cpp
554		if [[ "x$EMULATED_PPC" = "xno" ]]; then
555	<	EXTRASYSSRCS="Darwin/paranoia.cpp ppc_asm.S"
555	>	EXTRASYSSRCS="paranoia.cpp ppc_asm.S"
556		fi
557	<	if [[ "x$ac_cv_framework_IOKit" = "xyes" ]]; then
557	>	if [[ "x$ac_cv_framework_IOKit" = "xyes" -a "x$ac_cv_framework_CoreFoundation" = "xyes" ]]; then
558		EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/sys_darwin.cpp"
559		fi
560		if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
561		EXTFSSRC=../MacOSX/extfs_macosx.mm
562		fi
563		;;
564	<	cygwin*)
565	<	SERIALSRC="../dummy/serial_dummy.cpp"
564	>	irix*)
565	>	AUDIOSRC=Irix/audio_irix.cpp
566	>	LIBS="$LIBS -laudio"
567	>	WANT_ESD=no
568	>
569	>	dnl Check if our compiler supports -IPA (MIPSPro)
570	>	HAVE_IPA=no
571	>	ocflags="$CFLAGS"
572	>	CFLAGS=`echo " $CFLAGS -IPA" | sed -e "s/ -g //g"`
573	>	AC_MSG_CHECKING(if "-IPA" works)
574	>	dnl Do a test compile of an empty function
575	>	AC_TRY_COMPILE([#if defined __GNUC__
576	>	# error GCC does not support IPA yet
577	>	#endif],, [AC_MSG_RESULT(yes); HAVE_IPA=yes], AC_MSG_RESULT(no))
578	>	CFLAGS="$ocflags"
579		;;
580		esac
581
582	+	dnl Is the slirp library supported?
583	+	case "$ac_cv_have_byte_bitfields" in
584	+	yes|"guessing yes")
585	+	CAN_SLIRP=yes
586	+	ETHERSRC=ether_unix.cpp
587	+	;;
588	+	esac
589	+	if [[ -n "$CAN_SLIRP" ]]; then
590	+	AC_DEFINE(HAVE_SLIRP, 1, [Define if slirp library is supported])
591	+	SLIRP_SRCS="\
592	+	../slirp/bootp.c     ../slirp/ip_output.c  ../slirp/tcp_input.c  \
593	+	../slirp/cksum.c     ../slirp/mbuf.c       ../slirp/tcp_output.c \
594	+	../slirp/debug.c     ../slirp/misc.c       ../slirp/tcp_subr.c   \
595	+	../slirp/if.c        ../slirp/sbuf.c       ../slirp/tcp_timer.c  \
596	+	../slirp/ip_icmp.c   ../slirp/slirp.c      ../slirp/tftp.c       \
597	+	../slirp/ip_input.c  ../slirp/socket.c     ../slirp/udp.c"
598	+	fi
599	+	AC_SUBST(SLIRP_SRCS)
600	+
601		dnl SDL overrides
602		if [[ "x$WANT_SDL" = "xyes" ]]; then
603		AC_DEFINE(USE_SDL, 1, [Define to enble SDL support.])
#	Line 436 | Line 609 | if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; th
609		if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
610		EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx.cpp"
611		else
612	<	case "$target_os" in
440	<	cygwin*)
441	<	EXTRASYSSRCS="$EXTRASYSSRCS ../Windows/clip_windows.cpp"
442	<	;;
443	<	*)
444	<	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
445	<	;;
446	<	esac
612	>	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
613		fi
614		else
615		VIDEOSRCS="video_x.cpp"
#	Line 462 | Line 628 | dnl to be put into the config.h file
628		dnl $1 -- the macro to define
629		dnl $2 -- the value to translate
630		dnl $3 -- template name
631	<	AC_DEFUN(AC_TRANSLATE_DEFINE, [
631	>	AC_DEFUN([AC_TRANSLATE_DEFINE], [
632		if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then
633		AC_DEFINE($1, 1, $3)
634		fi
#	Line 871 | Line 1037 | fi
1037
1038		dnl Check addressing mode to use
1039		AC_MSG_CHECKING([for addressing mode to use])
874	–	case "$os_target" in
875	–	cygwin*)
876	–	WANT_ADDRESSING_MODE="direct,cygwin-hack"
877	–	NATMEM_OFFSET=
878	–	;;
879	–	esac
1040		if [[ "$EMULATED_PPC" != "yes" ]]; then
1041		if [[ "$WANT_ADDRESSING_MODE" != "real" ]]; then
1042		AC_MSG_WARN([Running in native PowerPC mode, force use of Real Addressing.])
#	Line 958 | Line 1118 | EOF
1118		fi
1119		AC_MSG_RESULT($WANT_ADDRESSING_MODE)
1120
1121	+	dnl Utility macro used by next two tests.
1122	+	dnl AC_EXAMINE_OBJECT(C source code,
1123	+	dnl     commands examining object file,
1124	+	dnl     [commands to run if compile failed]):
1125	+	dnl
1126	+	dnl Compile the source code to an object file; then convert it into a
1127	+	dnl printable representation.  All unprintable characters and
1128	+	dnl asterisks (*) are replaced by dots (.).  All white space is
1129	+	dnl deleted.  Newlines (ASCII 0x10) in the input are preserved in the
1130	+	dnl output, but runs of newlines are compressed to a single newline.
1131	+	dnl Finally, line breaks are forcibly inserted so that no line is
1132	+	dnl longer than 80 columns and the file ends with a newline.  The
1133	+	dnl result of all this processing is in the file conftest.dmp, which
1134	+	dnl may be examined by the commands in the second argument.
1135	+	dnl
1136	+	AC_DEFUN([gcc_AC_EXAMINE_OBJECT],
1137	+	[AC_LANG_SAVE
1138	+	AC_LANG_C
1139	+	dnl Next bit cribbed from AC_TRY_COMPILE.
1140	+	cat > conftest.$ac_ext <<EOF
1141	+	[#line __oline__ "configure"
1142	+	#include "confdefs.h"
1143	+	$1
1144	+	]EOF
1145	+	if AC_TRY_EVAL(ac_compile); then
1146	+	od -c conftest.o |
1147	+	sed ['s/^[0-7]*[    ]*/ /
1148	+	s/\*/./g
1149	+	s/ \\n/*/g
1150	+	s/ [0-9][0-9][0-9]/./g
1151	+	s/  \\[^ ]/./g'] |
1152	+	tr -d '
1153	+	' | tr -s '*' '
1154	+	' | fold | sed '$a\
1155	+	' > conftest.dmp
1156	+	$2
1157	+	ifelse($3, , , else
1158	+	$3
1159	+	)dnl
1160	+	fi
1161	+	rm -rf conftest*
1162	+	AC_LANG_RESTORE])
1163	+
1164	+	dnl Floating point format probe.
1165	+	dnl The basic concept is the same as the above: grep the object
1166	+	dnl file for an interesting string.  We have to watch out for
1167	+	dnl rounding changing the values in the object, however; this is
1168	+	dnl handled by ignoring the least significant byte of the float.
1169	+	dnl
1170	+	dnl Does not know about VAX G-float or C4x idiosyncratic format.
1171	+	dnl It does know about PDP-10 idiosyncratic format, but this is
1172	+	dnl not presently supported by GCC.  S/390 "binary floating point"
1173	+	dnl is in fact IEEE (but maybe we should have that in EBCDIC as well
1174	+	dnl as ASCII?)
1175	+	dnl
1176	+	AC_DEFUN([gcc_AC_C_FLOAT_FORMAT],
1177	+	[AC_CACHE_CHECK(floating point format, ac_cv_c_float_format,
1178	+	[gcc_AC_EXAMINE_OBJECT(
1179	+	[/* This will not work unless sizeof(double) == 8.  */
1180	+	extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1];
1181	+
1182	+	/* This structure must have no internal padding.  */
1183	+	struct possibility {
1184	+	char prefix[8];
1185	+	double candidate;
1186	+	char postfix[8];
1187	+	};
1188	+
1189	+	#define C(cand) { "\nformat:", cand, ":tamrof\n" }
1190	+	struct possibility table [] =
1191	+	{
1192	+	C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */
1193	+	C( 3.53802595280598432000e+18), /* D__float - VAX */
1194	+	C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */
1195	+	C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */
1196	+	C(-5.22995989424860458374e+10)  /* IBMHEXFP - s/390 format, EBCDIC */
1197	+	};],
1198	+	[if   grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1199	+	ac_cv_c_float_format='IEEE (big-endian)'
1200	+	elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then
1201	+	ac_cv_c_float_format='IEEE (big-endian)'
1202	+	elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then
1203	+	ac_cv_c_float_format='IEEE (little-endian)'
1204	+	elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then
1205	+	ac_cv_c_float_format='IEEE (little-endian)'
1206	+	elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then
1207	+	ac_cv_c_float_format='VAX D-float'
1208	+	elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then
1209	+	ac_cv_c_float_format='PDP-10'
1210	+	elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1211	+	ac_cv_c_float_format='IBM 370 hex'
1212	+	else
1213	+	AC_MSG_ERROR(Unknown floating point format)
1214	+	fi],
1215	+	[AC_MSG_ERROR(compile failed)])
1216	+	])
1217	+	# IEEE is the default format.  If the float endianness isn't the same
1218	+	# as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN
1219	+	# (which is a tristate: yes, no, default).  This is only an issue with
1220	+	# IEEE; the other formats are only supported by a few machines each,
1221	+	# all with the same endianness.
1222	+	format=IEEE_FLOAT_FORMAT
1223	+	fbigend=
1224	+	case $ac_cv_c_float_format in
1225	+	'IEEE (big-endian)' )
1226	+	if test $ac_cv_c_bigendian = no; then
1227	+	fbigend=1
1228	+	fi
1229	+	;;
1230	+	'IEEE (little-endian)' )
1231	+	if test $ac_cv_c_bigendian = yes; then
1232	+	fbigend=0
1233	+	fi
1234	+	;;
1235	+	'VAX D-float' )
1236	+	format=VAX_FLOAT_FORMAT
1237	+	;;
1238	+	'PDP-10' )
1239	+	format=PDP10_FLOAT_FORMAT
1240	+	;;
1241	+	'IBM 370 hex' )
1242	+	format=IBM_FLOAT_FORMAT
1243	+	;;
1244	+	esac
1245	+	AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format,
1246	+	[Define to the floating point format of the host machine.])
1247	+	if test -n "$fbigend"; then
1248	+	AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend,
1249	+	[Define to 1 if the host machine stores floating point numbers in
1250	+	memory with the word containing the sign bit at the lowest address,
1251	+	or to 0 if it does it the other way around.
1252	+
1253	+	This macro should not be defined if the ordering is the same as for
1254	+	multi-word integers.])
1255	+	fi
1256	+	])
1257	+
1258	+	dnl Check for host float format
1259	+	gcc_AC_C_FLOAT_FORMAT
1260	+
1261		dnl Platform specific binary postprocessor
1262		AC_PATH_PROG(BLESS, "true")
1263		if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then
#	Line 968 | Line 1268 | fi
1268		dnl Check for GCC 2.7 or higher.
1269		HAVE_GCC27=no
1270		AC_MSG_CHECKING(for GCC 2.7 or higher)
1271	<	AC_EGREP_CPP(xyes,
1272	<	[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5
1273	<	xyes
1274	<	#endif
1275	<	], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
1271	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5)
1272	>	# error gcc < 2.7
1273	>	typedef syntax error;
1274	>	#endif
1275	>	]])],
1276	>	[AC_MSG_RESULT(yes); HAVE_GCC27=yes],
1277	>	[AC_MSG_RESULT(no)])
1278
1279		dnl Check for GCC 3.0 or higher.
1280		HAVE_GCC30=no
1281		AC_MSG_CHECKING(for GCC 3.0 or higher)
1282	<	AC_EGREP_CPP(xyes,
1283	<	[#if __GNUC__ >= 3
1284	<	xyes
1285	<	#endif
1286	<	], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
1282	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ >= 3)
1283	>	# error gcc < 3
1284	>	typedef syntax error;
1285	>	#endif
1286	>	]])],
1287	>	[AC_MSG_RESULT(yes); HAVE_GCC30=yes],
1288	>	[AC_MSG_RESULT(no)])
1289
1290		dnl Check for ICC.
1291		AC_MSG_CHECKING(for ICC)
#	Line 992 | Line 1296 | fi
1296		AC_MSG_RESULT($HAVE_ICC)
1297
1298		dnl Determine the generated object format
1299	<	AC_CACHE_CHECK([whether the compiler can generate ELF objects],
1299	>	AC_CACHE_CHECK([the format of compiler generated objects],
1300		ac_cv_object_format, [
1301		echo 'int i;' > conftest.$ac_ext
1302		ac_cv_object_format=no
#	Line 1001 | Line 1305 | AC_CACHE_CHECK([whether the compiler can
1305		*"ELF"*)
1306		ac_cv_object_format=elf
1307		;;
1308	+	*"Mach-O"*)
1309	+	ac_cv_object_format=mach
1310	+	;;
1311		*)
1312		ac_cv_object_format=unknown
1313		;;
#	Line 1009 | Line 1316 | AC_CACHE_CHECK([whether the compiler can
1316		rm -rf conftest*
1317		])
1318
1319	+	dnl Add -fno-strict-aliasing for slirp sources
1320	+	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1321	+	SAVED_CFLAGS="$CFLAGS"
1322	+	CFLAGS="$CFLAGS -fno-strict-aliasing"
1323	+	AC_CACHE_CHECK([whether the compiler supports -fno-strict-aliasing],
1324	+	ac_cv_gcc_no_strict_aliasing, [
1325	+	AC_TRY_COMPILE([],[],
1326	+	[ac_cv_gcc_no_strict_aliasing=yes; AC_SUBST(SLIRP_CFLAGS, "-fno-strict-aliasing")],
1327	+	[ac_cv_gcc_no_strict_aliasing=no])
1328	+	])
1329	+	CFLAGS="$SAVED_CFLAGS"
1330	+	fi
1331	+
1332	+	dnl Add -mdynamic-no-pic for MacOS X (XXX icc10 will support MacOS X)
1333	+	if [[ "x$HAVE_GCC30" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1334	+	SAVED_CFLAGS="$CFLAGS"
1335	+	CFLAGS="$CFLAGS -mdynamic-no-pic"
1336	+	AC_CACHE_CHECK([whether the compiler supports -mdynamic-no-pic],
1337	+	ac_cv_gcc_mdynamic_no_pic, [
1338	+	AC_TRY_COMPILE([],[],[ac_cv_gcc_mdynamic_no_pic=yes],[ac_cv_gcc_mdynamic_no_pic=no])
1339	+	])
1340	+	if [[ "x$ac_cv_gcc_mdynamic_no_pic" = "xyes" ]]; then
1341	+	CXXFLAGS="$CXXFLAGS -mdynamic-no-pic"
1342	+	else
1343	+	CFLAGS="$SAVED_CFLAGS"
1344	+	fi
1345	+	fi
1346	+
1347		dnl CPU emulator sources
1348		if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1349		CPUSRCS="\
1350		../kpx_cpu/src/mathlib/ieeefp.cpp \
1351	+	../kpx_cpu/src/mathlib/mathlib.cpp \
1352		../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \
1353		../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \
1354		../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \
1355	<	../kpx_cpu/src/cpu/ppc/ppc-translate.cpp"
1355	>	../kpx_cpu/src/cpu/ppc/ppc-translate.cpp \
1356	>	../kpx_cpu/src/utils/utils-cpuinfo.cpp"
1357		CPPFLAGS="$CPPFLAGS -I../kpx_cpu/include -I../kpx_cpu/src"
1358
1359		dnl Enable JIT compiler, if possible
#	Line 1033 | Line 1370 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1370		i?86:elf)
1371		ac_cv_use_dyngen=yes
1372		;;
1373	+	mips:elf)
1374	+	ac_cv_use_dyngen=yes
1375	+	;;
1376	+	powerpc:mach)
1377	+	ac_cv_use_dyngen=yes
1378	+	;;
1379	+	i?86:mach)
1380	+	ac_cv_use_dyngen=yes
1381	+	;;
1382		*:*)
1383		ac_cv_use_dyngen=no
1384		;;
#	Line 1042 | Line 1388 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1388		if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1389		DYNGEN_CC=$CXX
1390		else
1391	<	for p in /usr/bin /usr/local/bin; do
1391	>	for p in /usr/bin /usr/local/bin /usr/freeware/bin; do
1392		gxx="$p/g++"
1393		if [[ -x "$gxx" ]]; then
1394		DYNGEN_CC="$gxx"
#	Line 1050 | Line 1396 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1396		done
1397		fi
1398		fi
1399	<	if [[ -z "$DYNGEN_CC" ]] || ! { echo '#include <limits>' | $DYNGEN_CC -xc++ -c -o /dev/null - >& /dev/null; }; then
1399	>	if [[ -z "$DYNGEN_CC" ]]; then
1400		ac_cv_use_dyngen=no
1401		fi
1402		])
1403		if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then
1404		case $host_cpu in
1405		i?86)
1406	<	DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2"
1061	<	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1062	<	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
1063	<	else
1064	<	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
1065	<	fi
1066	<	saved_CPPFLAGS=$CPPFLAGS
1067	<	CPPFLAGS="$CPPFLAGS -mmmx"
1068	<	AC_CHECK_HEADERS(mmintrin.h,  [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -mmmx"])
1069	<	CPPFLAGS="$CPPFLAGS -msse"
1070	<	AC_CHECK_HEADERS(xmmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse"])
1071	<	CPPFLAGS="$CPPFLAGS -msse2"
1072	<	AC_CHECK_HEADERS(emmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse2"])
1073	<	CPPFLAGS=$saved_CPPFLAGS
1406	>	DYNGEN_OP_FLAGS="-fomit-frame-pointer"
1407		;;
1408	<	x86_64)
1409	<	AC_CHECK_HEADERS(mmintrin.h xmmintrin.h emmintrin.h)
1408	>	mips)
1409	>	DYNGEN_OP_FLAGS="-fno-delayed-branch -mno-abicalls"
1410	>	;;
1411	>	powerpc)
1412	>	if [[ "x$ac_cv_object_format" = "xmach" ]]; then
1413	>	DYNGEN_OP_FLAGS="-mdynamic-no-pic"
1414	>	fi
1415		;;
1416		esac
1417	<	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000 -g0"
1418	<	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1417	>	have_dyngen_gcc3=no
1418	>	case "x`$DYNGEN_CC -dumpversion`" in
1419	>	x[12].*) ;;
1420	>	x*) have_dyngen_gcc3=yes ;;
1421	>	esac
1422	>	if [[ "x$have_dyngen_gcc3" = "xyes" ]]; then
1423	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-align-functions"
1424	>	else
1425	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
1426	>	fi
1427	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-functions -finline-limit=10000 -fno-exceptions -g0"
1428	>	if [[ "x$have_dyngen_gcc3" = "xyes" ]]; then
1429		DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls"
1430		fi
1431	+	if [[ "x$DYNGEN_CC" != "x$CXX" ]]; then
1432	+	DYNGEN_CFLAGS="-O2 $CFLAGS"
1433	+	DYNGEN_CXXFLAGS="-O2 $CXXFLAGS"
1434	+	else
1435	+	DYNGEN_CFLAGS="\$(CFLAGS)"
1436	+	DYNGEN_CXXFLAGS="\$(CXXFLAGS)"
1437	+	fi
1438		else
1439		WANT_JIT=no
1440		fi
#	Line 1091 | Line 1446 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1446		CPUSRCS="\
1447		../kpx_cpu/src/cpu/jit/jit-cache.cpp \
1448		../kpx_cpu/src/cpu/jit/basic-dyngen.cpp \
1449	<	../kpx_cpu/src/cpu/ppc/ppc-dyngen.cpp $CPUSRCS"
1449	>	../kpx_cpu/src/cpu/ppc/ppc-dyngen.cpp \
1450	>	../kpx_cpu/src/cpu/ppc/ppc-jit.cpp $CPUSRCS"
1451		fi
1452		fi
1453		CPUSRCS="$CPUSRCS ../kpx_cpu/sheepshaver_glue.cpp"
1454		else
1455		WANT_JIT=no
1456		fi
1101	–	if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then
1102	–	AC_CACHE_CHECK([whether static data regions are executable],
1103	–	ac_cv_have_static_data_exec, [
1104	–	AC_TRY_RUN([int main(void) {
1105	–	#if defined(__powerpc__)
1106	–	static unsigned int p[8] = {0x4e800020,};
1107	–	asm volatile("dcbst 0,%0" : : "r" (p) : "memory");
1108	–	asm volatile("sync" : : : "memory");
1109	–	asm volatile("icbi 0,%0" : : "r" (p) : "memory");
1110	–	asm volatile("sync" : : : "memory");
1111	–	asm volatile("isync" : : : "memory");
1112	–	((void (*)(void))p)();
1113	–	return 0;
1114	–	#endif
1115	–	return 1;
1116	–	}], ac_cv_have_static_data_exec=yes, ac_cv_have_static_data_exec=no,
1117	–	dnl When cross-compiling, do not assume anything.
1118	–	ac_cv_have_static_data_exec=no
1119	–	)
1120	–	])
1121	–	else
1122	–	ac_cv_use_dyngen=no
1123	–	fi
1124	–	AC_TRANSLATE_DEFINE(HAVE_STATIC_DATA_EXEC, "$ac_cv_have_static_data_exec",
1125	–	[Define if your system marks static data pages as executable.])
1126	–
1457		if [[ "x$WANT_JIT" = "xyes" ]]; then
1458		CPPFLAGS="$CPPFLAGS -DUSE_JIT"
1459		fi
1460
1461	+	dnl Higher level optimizations with MIPSPro compilers are possible
1462	+	if [[ "x$HAVE_IPA" = "xyes" ]]; then
1463	+	CFLAGS="`echo $CFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA"
1464	+	CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA"
1465	+	CXXFLAGS="-LANG:std $CXXFLAGS"
1466	+	LDFLAGS="$LDFLAGS -O3 -OPT:Olimit=0 -IPA"
1467	+	fi
1468	+
1469	+	dnl Check for linker script support
1470	+	case $target_os:$target_cpu in
1471	+	linux*:i?86)    LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1472	+	linux*:x86_64)  LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-x86_64.ld";;
1473	+	linux*:powerpc) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-ppc.ld";;
1474	+	netbsd*:i?86)   LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1475	+	freebsd*:i?86)  LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/freebsd-i386.ld";;
1476	+	darwin*:*)      LINKER_SCRIPT_FLAGS="-Wl,-seg1addr,0x78048000";;
1477	+	esac
1478	+	if [[ -n "$LINKER_SCRIPT_FLAGS" ]]; then
1479	+	AC_CACHE_CHECK([whether linker script is usable],
1480	+	ac_cv_linker_script_works, [
1481	+	AC_LANG_SAVE
1482	+	AC_LANG_CPLUSPLUS
1483	+	saved_LDFLAGS="$LDFLAGS"
1484	+	LDFLAGS="$LDFLAGS $LINKER_SCRIPT_FLAGS"
1485	+	AC_TRY_RUN(
1486	+	[int main() {if ((char *)&main < (char *)0x70000000) return 1;}],
1487	+	[ac_cv_linker_script_works=yes],
1488	+	[ac_cv_linker_script_works=no],
1489	+	dnl When cross-compiling, assume it works
1490	+	[ac_cv_linker_script_works="guessing yes"]
1491	+	)
1492	+	AC_LANG_RESTORE
1493	+	if [[ "$ac_cv_linker_script_works" = "no" ]]; then
1494	+	LDFLAGS="$saved_LDFLAGS"
1495	+	LINKER_SCRIPT_FLAGS=""
1496	+	fi
1497	+	])
1498	+	fi
1499	+	AC_TRANSLATE_DEFINE(HAVE_LINKER_SCRIPT, "$ac_cv_linker_script_works",
1500	+	[Define if there is a linker script to relocate the executable above 0x70000000.])
1501	+
1502		dnl Generate Makefile.
1503		AC_SUBST(PERL)
1504		AC_SUBST(USE_DYNGEN, [$ac_cv_use_dyngen])
1505		AC_SUBST(DYNGENSRCS)
1506		AC_SUBST(DYNGEN_CC)
1507	+	AC_SUBST(DYNGEN_CFLAGS)
1508	+	AC_SUBST(DYNGEN_CXXFLAGS)
1509		AC_SUBST(DYNGEN_OP_FLAGS)
1510		AC_SUBST(SYSSRCS)
1511		AC_SUBST(CPUSRCS)
#	Line 1148 | Line 1521 | echo
1521		echo SheepShaver configuration summary:
1522		echo
1523		echo SDL support ...................... : $SDL_SUPPORT
1524	+	echo FBDev DGA support ................ : $WANT_FBDEV_DGA
1525		echo XFree86 DGA support .............. : $WANT_XF86_DGA
1526		echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
1527		echo Using PowerPC emulator ........... : $EMULATED_PPC

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