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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 1.62 by asvitkine, 2008-11-21T01:09:28Z

#	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=$withval])
43
#	Line 90 | Line 106 | if [[ "x$WANT_MON" = "xyes" ]]; then
106		if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
107		AC_MSG_RESULT(yes)
108		AC_DEFINE(ENABLE_MON, 1, [Define if using "mon".])
109	<	MONSRCS="$mon_srcdir/mon.cpp $mon_srcdir/mon_6502.cpp $mon_srcdir/mon_z80.cpp $mon_srcdir/mon_cmd.cpp $mon_srcdir/mon_lowmem.cpp $mon_srcdir/mon_disass.cpp $mon_srcdir/mon_ppc.cpp $mon_srcdir/disass/floatformat.c $mon_srcdir/disass/i386-dis.c $mon_srcdir/disass/m68k-dis.c $mon_srcdir/disass/m68k-opc.c"
109	>	MONSRCS="$mon_srcdir/mon.cpp $mon_srcdir/mon_6502.cpp $mon_srcdir/mon_z80.cpp $mon_srcdir/mon_cmd.cpp $mon_srcdir/mon_lowmem.cpp $mon_srcdir/mon_disass.cpp $mon_srcdir/mon_ppc.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 $mon_srcdir/disass/mips16-opc.c"
110		CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass"
111		AC_CHECK_LIB(ncurses, tgetent, ,
112		AC_CHECK_LIB(termcap, tgetent, ,
#	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$WANT_GTK" in
247	>	xgtk2*)
248	>	WANT_GTK=no
249	>	AM_PATH_GTK_2_0(1.3.15, [
250	>	GUI_CFLAGS="$GTK_CFLAGS"
251	>	GUI_LIBS="$GTK_LIBS"
252	>	WANT_GTK=gtk2
253	>	], [
254	>	case "x${WANT_GTK}x" in
255	>	*gtkx)
256	>	AC_MSG_WARN([Could not find GTK+ 2.0, trying with GTK+ 1.2.])
257	>	WANT_GTK=gtk
258	>	;;
259	>	*)
260	>	AC_MSG_WARN([Could not find GTK+, disabling user interface.])
261	>	WANT_GTK=no
262	>	;;
263	>	esac
264	>	])
265	>	;;
266	>	esac
267	>	if [[ "x$WANT_GTK" = "xgtk" ]]; then
268	>	WANT_GTK=no
269		AM_PATH_GTK(1.2.0, [
270	<	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
271	<	CFLAGS="$CFLAGS $GTK_CFLAGS"
272	<	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
230	<	LIBS="$LIBS $GTK_LIBS"
231	<	UISRCS=prefs_editor_gtk.cpp
270	>	GUI_CFLAGS="$GTK_CFLAGS"
271	>	GUI_LIBS="$GTK_LIBS"
272	>	WANT_GTK=gtk
273		], [
274		AC_MSG_WARN([Could not find GTK+, disabling user interface.])
234	–	WANT_GTK=no
275		])
276		fi
277	+	if [[ "x$WANT_GTK" != "xno" -a "x$WANT_STANDALONE_GUI" = "xno" ]]; then
278	+	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
279	+	UISRCS=prefs_editor_gtk.cpp
280	+	fi
281	+	AC_SUBST(GUI_CFLAGS)
282	+	AC_SUBST(GUI_LIBS)
283	+
284	+	dnl Build external GUI if requested.
285	+	if [[ "$WANT_STANDALONE_GUI" != "yes" ]]; then
286	+	WANT_STANDALONE_GUI=no
287	+	fi
288	+	if [[ "$WANT_GTK" = "no" ]]; then
289	+	WANT_STANDALONE_GUI=no
290	+	fi
291	+	AC_SUBST(STANDALONE_GUI, [$WANT_STANDALONE_GUI])
292
293		dnl We use ESD if possible.
294		if [[ "x$WANT_ESD" = "xyes" ]]; then
295	+	WANT_ESD=no
296		AM_PATH_ESD(0.2.8, [
297		AC_DEFINE(ENABLE_ESD, 1, [Define is using ESD.])
298		CFLAGS="$CFLAGS $ESD_CFLAGS"
299		CXXFLAGS="$CXXFLAGS $ESD_CFLAGS"
300		LIBS="$LIBS $ESD_LIBS"
301	+	WANT_ESD=yes
302		], [
303		AC_MSG_WARN([Could not find ESD, disabling ESD support.])
247	–	WANT_ESD=no
304		])
305		fi
306
#	Line 254 | Line 310 | AC_SYS_LARGEFILE
310		dnl Checks for header files.
311		AC_HEADER_STDC
312		AC_HEADER_SYS_WAIT
313	<	AC_CHECK_HEADERS(malloc.h)
313	>	AC_CHECK_HEADERS(malloc.h stdint.h)
314		AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h)
259	–	AC_CHECK_HEADERS(sys/time.h sys/times.h sys/socket.h)
315		AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h dirent.h)
316	<	AC_CHECK_HEADERS(linux/if.h, [], [], [
317	<	#if HAVE_SYS_SOCKET_H
318	<	# include <sys/socket.h>
316	>	AC_CHECK_HEADERS(sys/socket.h sys/ioctl.h sys/filio.h sys/bitypes.h sys/wait.h)
317	>	AC_CHECK_HEADERS(sys/time.h sys/poll.h sys/select.h arpa/inet.h)
318	>	AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h, [], [], [
319	>	#ifdef HAVE_SYS_TYPES_H
320	>	#include <sys/types.h>
321	>	#endif
322	>	#ifdef HAVE_SYS_SOCKET_H
323	>	#include <sys/socket.h>
324		#endif
325		])
326	<	AC_CHECK_HEADERS(linux/if_tun.h net/if.h net/if_tun.h)
326	>	AC_CHECK_HEADERS(AvailabilityMacros.h)
327	>	AC_CHECK_HEADERS(IOKit/storage/IOBlockStorageDevice.h)
328		AC_CHECK_HEADERS(fenv.h)
329
330		dnl Checks for typedefs, structures, and compiler characteristics.
#	Line 284 | Line 345 | AC_TYPE_SIGNAL
345		AC_HEADER_TIME
346		AC_STRUCT_TM
347
348	+	dnl Check whether sys/socket.h defines type socklen_t.
349	+	dnl (extracted from ac-archive/Miscellaneous)
350	+	AC_CACHE_CHECK([for socklen_t],
351	+	ac_cv_type_socklen_t, [
352	+	AC_TRY_COMPILE([
353	+	#include <sys/types.h>
354	+	#include <sys/socket.h>
355	+	], [socklen_t len = 42; return 0;],
356	+	ac_cv_type_socklen_t=yes, ac_cv_type_socklen_t=no,
357	+	dnl When cross-compiling, do not assume anything.
358	+	ac_cv_type_socklen_t="guessing no"
359	+	)
360	+	])
361	+	if [[ "x$ac_cv_type_socklen_t" != "xyes" ]]; then
362	+	AC_DEFINE(socklen_t, int, [Define to 'int' if <sys/types.h> doesn't define.])
363	+	fi
364	+
365		dnl Check whether struct sigaction has sa_restorer member.
366		AC_CACHE_CHECK([whether struct sigaction has sa_restorer],
367		ac_cv_signal_sa_restorer, [
#	Line 300 | Line 378 | if [[ "x$ac_cv_signal_sa_restorer" = "xy
378		fi
379
380		dnl Checks for library functions.
381	<	AC_CHECK_FUNCS(strdup strlcpy cfmakeraw)
381	>	AC_CHECK_FUNCS(strdup strerror strlcpy cfmakeraw)
382		AC_CHECK_FUNCS(nanosleep)
383		AC_CHECK_FUNCS(sigaction signal)
384		AC_CHECK_FUNCS(mmap mprotect munmap)
385		AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
386	<	AC_CHECK_FUNCS(posix_memalign memalign valloc)
387	<	AC_CHECK_FUNCS(exp2f log2f exp2 log2 trunc)
386	>	AC_CHECK_FUNCS(exp2f log2f exp2 log2)
387	>	AC_CHECK_FUNCS(floorf roundf ceilf truncf floor round ceil trunc)
388	>	AC_CHECK_FUNCS(poll inet_aton)
389
390		dnl Darwin seems to define mach_task_self() instead of task_self().
391		AC_CHECK_FUNCS(mach_task_self task_self)
#	Line 346 | Line 425 | mips-sony-bsd|mips-sony-newsos4)
425		*-*-cygwin*)
426		no_dev_ptmx=1
427		;;
428	+	*-*-darwin*)
429	+	no_dev_ptmx=1
430	+	;;
431		esac
432
433		if test -z "$no_dev_ptmx" ; then
#	Line 366 | Line 448 | AC_CHECK_FILE([/dev/ptc],
448		)
449		dnl (end of code from openssh-3.2.2p1 configure.ac)
450
451	+	dnl Check for systems where POSIX-style non-blocking I/O (O_NONBLOCK)
452	+	dnl doesn't work or is unimplemented. On these systems (mostly older
453	+	dnl ones), use the old BSD-style FIONBIO approach instead. [tcl.m4]
454	+	AC_CACHE_CHECK([FIONBIO vs. O_NONBLOCK for non-blocking I/O],
455	+	ac_cv_nonblocking_io, [
456	+	case "$host" in
457	+	*-*-osf*)
458	+	ac_cv_nonblocking_io=FIONBIO
459	+	;;
460	+	*-*-sunos4*)
461	+	ac_cv_nonblocking_io=FIONBIO
462	+	;;
463	+	*-*-ultrix*)
464	+	ac_cv_nonblocking_io=FIONBIO
465	+	;;
466	+	*)
467	+	ac_cv_nonblocking_io=O_NONBLOCK
468	+	;;
469	+	esac
470	+	])
471	+	if [[ "$ac_cv_nonblocking_io" = "FIONBIO" ]]; then
472	+	AC_DEFINE(USE_FIONBIO, 1, [Define if BSD-style non-blocking I/O is to be used])
473	+	fi
474	+
475	+	dnl Check whether compiler supports byte bit-fields
476	+	AC_CACHE_CHECK([whether compiler supports byte bit-fields],
477	+	ac_cv_have_byte_bitfields, [
478	+	AC_LANG_SAVE
479	+	AC_LANG_CPLUSPLUS
480	+	AC_TRY_RUN([
481	+	struct A {
482	+	unsigned char b1:4;
483	+	unsigned char b2:4;
484	+	unsigned char c;
485	+	unsigned short s;
486	+	unsigned char a[4];
487	+	};
488	+
489	+	int main(void) {
490	+	A a;
491	+	return ! (sizeof(A) == 8 && &a.c == ((unsigned char *)&a + 1));
492	+	}],
493	+	[ac_cv_have_byte_bitfields=yes],
494	+	[ac_cv_have_byte_bitfields=no],
495	+	dnl When cross-compiling, assume only GCC supports this
496	+	[if [[ "$GCC" = "yes" ]]; then
497	+	ac_cv_have_byte_bitfields="guessing yes"
498	+	else
499	+	ac_cv_have_byte_bitfields="guessing no"
500	+	fi]
501	+	)
502	+	AC_LANG_RESTORE
503	+	])
504	+
505		dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
506	<	AC_DEFUN(AC_CHECK_FRAMEWORK, [
506	>	AC_DEFUN([AC_CHECK_FRAMEWORK], [
507		AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
508		AC_CACHE_CHECK([whether compiler supports framework $1],
509		ac_Framework, [
510		saved_LIBS="$LIBS"
511		LIBS="$LIBS -framework $1"
512		AC_TRY_LINK(
513	<	[$2], [int main(void) { return 0; }],
513	>	[$2], [],
514		[AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
515		)
516		])
#	Line 387 | Line 523 | AC_DEFUN(AC_CHECK_FRAMEWORK, [
523		dnl Check for some MacOS X frameworks
524		AC_CHECK_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>])
525		AC_CHECK_FRAMEWORK(IOKit, [#include <IOKit/IOKitLib.h>])
526	+	AC_CHECK_FRAMEWORK(CoreFoundation, [#include <CoreFoundation/CoreFoundation.h>])
527	+	AC_CHECK_FRAMEWORK(CoreAudio, [#include <CoreAudio/CoreAudio.h>])
528	+	AC_CHECK_FRAMEWORK(AudioUnit, [#include <AudioUnit/AudioUnit.h>])
529	+	AC_CHECK_FRAMEWORK(AudioToolbox, [#include <AudioToolbox/AudioToolbox.h>])
530
531		dnl Select system-dependant sources.
532		SERIALSRC=serial_unix.cpp
533		ETHERSRC=../dummy/ether_dummy.cpp
534		SCSISRC=../dummy/scsi_dummy.cpp
535		AUDIOSRC=../dummy/audio_dummy.cpp
536	+	PREFSSRC=../dummy/prefs_dummy.cpp
537		EXTFSSRC=extfs_unix.cpp
538		EXTRASYSSRCS=
539		case "$target_os" in
540		linux*)
541	<	ETHERSRC=Linux/ether_linux.cpp
541	>	ETHERSRC=ether_unix.cpp
542		AUDIOSRC=audio_oss_esd.cpp
543		SCSISRC=Linux/scsi_linux.cpp
544		if [[ "x$EMULATED_PPC" = "xno" ]]; then
545	<	EXTRASYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c ppc_asm.S"
545	>	EXTRASYSSRCS="paranoia.cpp Linux/sheepthreads.c ppc_asm.S"
546		fi
547		;;
548	+	freebsd*)
549	+	ETHERSRC=ether_unix.cpp
550	+	;;
551		netbsd*)
552	+	ETHERSRC=ether_unix.cpp
553		if [[ "x$EMULATED_PPC" = "xno" ]]; then
554	<	EXTRASYSSRCS="NetBSD/paranoia.cpp NetBSD/sheepthreads.c ppc_asm.S"
554	>	EXTRASYSSRCS="paranoia.cpp NetBSD/sheepthreads.c ppc_asm.S"
555		fi
556		;;
557		darwin*)
558	+	ETHERSRC=ether_unix.cpp
559		if [[ "x$EMULATED_PPC" = "xno" ]]; then
560	<	EXTRASYSSRCS="Darwin/paranoia.cpp ppc_asm.S"
560	>	EXTRASYSSRCS="paranoia.cpp ppc_asm.S"
561		fi
562	<	if [[ "x$ac_cv_framework_IOKit" = "xyes" ]]; then
562	>	if [[ "x$ac_cv_framework_IOKit" = "xyes" -a "x$ac_cv_framework_CoreFoundation" = "xyes" ]]; then
563		EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/sys_darwin.cpp"
564		fi
565		if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
566	<	EXTFSSRC=../MacOSX/extfs_macosx.mm
566	>	EXTFSSRC=../MacOSX/extfs_macosx.cpp
567	>	PREFSSRC="../MacOSX/prefs_macosx.mm ../MacOSX/PrefsEditor/PrefsEditor.mm"
568	>	CPPFLAGS="$CPPFLAGS -I../MacOSX/PrefsEditor"
569	>	fi
570	>	if [[ "x$ac_cv_framework_CoreAudio" = "xyes" ]]; then
571	>	AUDIOSRC="../MacOSX/audio_macosx.cpp ../MacOSX/AudioBackEnd.cpp ../MacOSX/AudioDevice.cpp ../MacOSX/MacOSX_sound_if.cpp"
572		fi
573		;;
574	<	cygwin*)
575	<	SERIALSRC="../dummy/serial_dummy.cpp"
574	>	irix*)
575	>	AUDIOSRC=Irix/audio_irix.cpp
576	>	LIBS="$LIBS -laudio"
577	>	WANT_ESD=no
578	>
579	>	dnl Check if our compiler supports -IPA (MIPSPro)
580	>	HAVE_IPA=no
581	>	ocflags="$CFLAGS"
582	>	CFLAGS=`echo " $CFLAGS -IPA" | sed -e "s/ -g //g"`
583	>	AC_MSG_CHECKING(if "-IPA" works)
584	>	dnl Do a test compile of an empty function
585	>	AC_TRY_COMPILE([#if defined __GNUC__
586	>	# error GCC does not support IPA yet
587	>	#endif],, [AC_MSG_RESULT(yes); HAVE_IPA=yes], AC_MSG_RESULT(no))
588	>	CFLAGS="$ocflags"
589		;;
590		esac
591
592	+	dnl Is the slirp library supported?
593	+	case "$ac_cv_have_byte_bitfields" in
594	+	yes|"guessing yes")
595	+	CAN_SLIRP=yes
596	+	ETHERSRC=ether_unix.cpp
597	+	;;
598	+	esac
599	+	if [[ -n "$CAN_SLIRP" ]]; then
600	+	AC_DEFINE(HAVE_SLIRP, 1, [Define if slirp library is supported])
601	+	SLIRP_SRCS="\
602	+	../slirp/bootp.c     ../slirp/ip_output.c  ../slirp/tcp_input.c  \
603	+	../slirp/cksum.c     ../slirp/mbuf.c       ../slirp/tcp_output.c \
604	+	../slirp/debug.c     ../slirp/misc.c       ../slirp/tcp_subr.c   \
605	+	../slirp/if.c        ../slirp/sbuf.c       ../slirp/tcp_timer.c  \
606	+	../slirp/ip_icmp.c   ../slirp/slirp.c      ../slirp/tftp.c       \
607	+	../slirp/ip_input.c  ../slirp/socket.c     ../slirp/udp.c"
608	+	fi
609	+	AC_SUBST(SLIRP_SRCS)
610	+
611		dnl SDL overrides
612		if [[ "x$WANT_SDL" = "xyes" ]]; then
613		AC_DEFINE(USE_SDL, 1, [Define to enble SDL support.])
#	Line 436 | Line 619 | if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; th
619		if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
620		EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx.cpp"
621		else
622	<	case "$target_os" in
440	<	cygwin*)
441	<	EXTRASYSSRCS="$EXTRASYSSRCS ../Windows/clip_windows.cpp"
442	<	;;
443	<	*)
444	<	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
445	<	;;
446	<	esac
622	>	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
623		fi
624		else
625		VIDEOSRCS="video_x.cpp"
#	Line 455 | Line 631 | if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; th
631		AUDIOSRC="../SDL/audio_sdl.cpp"
632		fi
633
634	<	SYSSRCS="$VIDEOSRCS $EXTFSSRC $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $EXTRASYSSRCS"
634	>	SYSSRCS="$VIDEOSRCS $EXTFSSRC $PREFSSRC $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $EXTRASYSSRCS"
635
636		dnl Define a macro that translates a yesno-variable into a C macro definition
637		dnl to be put into the config.h file
638		dnl $1 -- the macro to define
639		dnl $2 -- the value to translate
640		dnl $3 -- template name
641	<	AC_DEFUN(AC_TRANSLATE_DEFINE, [
641	>	AC_DEFUN([AC_TRANSLATE_DEFINE], [
642		if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then
643		AC_DEFINE($1, 1, $3)
644		fi
#	Line 871 | Line 1047 | fi
1047
1048		dnl Check addressing mode to use
1049		AC_MSG_CHECKING([for addressing mode to use])
874	–	case "$os_target" in
875	–	cygwin*)
876	–	WANT_ADDRESSING_MODE="direct,cygwin-hack"
877	–	NATMEM_OFFSET=
878	–	;;
879	–	esac
1050		if [[ "$EMULATED_PPC" != "yes" ]]; then
1051		if [[ "$WANT_ADDRESSING_MODE" != "real" ]]; then
1052		AC_MSG_WARN([Running in native PowerPC mode, force use of Real Addressing.])
#	Line 958 | Line 1128 | EOF
1128		fi
1129		AC_MSG_RESULT($WANT_ADDRESSING_MODE)
1130
1131	+	dnl Utility macro used by next two tests.
1132	+	dnl AC_EXAMINE_OBJECT(C source code,
1133	+	dnl     commands examining object file,
1134	+	dnl     [commands to run if compile failed]):
1135	+	dnl
1136	+	dnl Compile the source code to an object file; then convert it into a
1137	+	dnl printable representation.  All unprintable characters and
1138	+	dnl asterisks (*) are replaced by dots (.).  All white space is
1139	+	dnl deleted.  Newlines (ASCII 0x10) in the input are preserved in the
1140	+	dnl output, but runs of newlines are compressed to a single newline.
1141	+	dnl Finally, line breaks are forcibly inserted so that no line is
1142	+	dnl longer than 80 columns and the file ends with a newline.  The
1143	+	dnl result of all this processing is in the file conftest.dmp, which
1144	+	dnl may be examined by the commands in the second argument.
1145	+	dnl
1146	+	AC_DEFUN([gcc_AC_EXAMINE_OBJECT],
1147	+	[AC_LANG_SAVE
1148	+	AC_LANG_C
1149	+	dnl Next bit cribbed from AC_TRY_COMPILE.
1150	+	cat > conftest.$ac_ext <<EOF
1151	+	[#line __oline__ "configure"
1152	+	#include "confdefs.h"
1153	+	$1
1154	+	]EOF
1155	+	if AC_TRY_EVAL(ac_compile); then
1156	+	od -c conftest.o |
1157	+	sed ['s/^[0-7]*[    ]*/ /
1158	+	s/\*/./g
1159	+	s/ \\n/*/g
1160	+	s/ [0-9][0-9][0-9]/./g
1161	+	s/  \\[^ ]/./g'] |
1162	+	tr -d '
1163	+	' | tr -s '*' '
1164	+	' | fold | sed '$a\
1165	+	' > conftest.dmp
1166	+	$2
1167	+	ifelse($3, , , else
1168	+	$3
1169	+	)dnl
1170	+	fi
1171	+	rm -rf conftest*
1172	+	AC_LANG_RESTORE])
1173	+
1174	+	dnl Floating point format probe.
1175	+	dnl The basic concept is the same as the above: grep the object
1176	+	dnl file for an interesting string.  We have to watch out for
1177	+	dnl rounding changing the values in the object, however; this is
1178	+	dnl handled by ignoring the least significant byte of the float.
1179	+	dnl
1180	+	dnl Does not know about VAX G-float or C4x idiosyncratic format.
1181	+	dnl It does know about PDP-10 idiosyncratic format, but this is
1182	+	dnl not presently supported by GCC.  S/390 "binary floating point"
1183	+	dnl is in fact IEEE (but maybe we should have that in EBCDIC as well
1184	+	dnl as ASCII?)
1185	+	dnl
1186	+	AC_DEFUN([gcc_AC_C_FLOAT_FORMAT],
1187	+	[AC_CACHE_CHECK(floating point format, ac_cv_c_float_format,
1188	+	[gcc_AC_EXAMINE_OBJECT(
1189	+	[/* This will not work unless sizeof(double) == 8.  */
1190	+	extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1];
1191	+
1192	+	/* This structure must have no internal padding.  */
1193	+	struct possibility {
1194	+	char prefix[8];
1195	+	double candidate;
1196	+	char postfix[8];
1197	+	};
1198	+
1199	+	#define C(cand) { "\nformat:", cand, ":tamrof\n" }
1200	+	struct possibility table [] =
1201	+	{
1202	+	C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */
1203	+	C( 3.53802595280598432000e+18), /* D__float - VAX */
1204	+	C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */
1205	+	C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */
1206	+	C(-5.22995989424860458374e+10)  /* IBMHEXFP - s/390 format, EBCDIC */
1207	+	};],
1208	+	[if   grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1209	+	ac_cv_c_float_format='IEEE (big-endian)'
1210	+	elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then
1211	+	ac_cv_c_float_format='IEEE (big-endian)'
1212	+	elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then
1213	+	ac_cv_c_float_format='IEEE (little-endian)'
1214	+	elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then
1215	+	ac_cv_c_float_format='IEEE (little-endian)'
1216	+	elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then
1217	+	ac_cv_c_float_format='VAX D-float'
1218	+	elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then
1219	+	ac_cv_c_float_format='PDP-10'
1220	+	elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1221	+	ac_cv_c_float_format='IBM 370 hex'
1222	+	else
1223	+	AC_MSG_ERROR(Unknown floating point format)
1224	+	fi],
1225	+	[AC_MSG_ERROR(compile failed)])
1226	+	])
1227	+	# IEEE is the default format.  If the float endianness isn't the same
1228	+	# as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN
1229	+	# (which is a tristate: yes, no, default).  This is only an issue with
1230	+	# IEEE; the other formats are only supported by a few machines each,
1231	+	# all with the same endianness.
1232	+	format=IEEE_FLOAT_FORMAT
1233	+	fbigend=
1234	+	case $ac_cv_c_float_format in
1235	+	'IEEE (big-endian)' )
1236	+	if test $ac_cv_c_bigendian = no; then
1237	+	fbigend=1
1238	+	fi
1239	+	;;
1240	+	'IEEE (little-endian)' )
1241	+	if test $ac_cv_c_bigendian = yes; then
1242	+	fbigend=0
1243	+	fi
1244	+	;;
1245	+	'VAX D-float' )
1246	+	format=VAX_FLOAT_FORMAT
1247	+	;;
1248	+	'PDP-10' )
1249	+	format=PDP10_FLOAT_FORMAT
1250	+	;;
1251	+	'IBM 370 hex' )
1252	+	format=IBM_FLOAT_FORMAT
1253	+	;;
1254	+	esac
1255	+	AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format,
1256	+	[Define to the floating point format of the host machine.])
1257	+	if test -n "$fbigend"; then
1258	+	AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend,
1259	+	[Define to 1 if the host machine stores floating point numbers in
1260	+	memory with the word containing the sign bit at the lowest address,
1261	+	or to 0 if it does it the other way around.
1262	+
1263	+	This macro should not be defined if the ordering is the same as for
1264	+	multi-word integers.])
1265	+	fi
1266	+	])
1267	+
1268	+	dnl Check for host float format
1269	+	gcc_AC_C_FLOAT_FORMAT
1270	+
1271		dnl Platform specific binary postprocessor
1272		AC_PATH_PROG(BLESS, "true")
1273		if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then
#	Line 968 | Line 1278 | fi
1278		dnl Check for GCC 2.7 or higher.
1279		HAVE_GCC27=no
1280		AC_MSG_CHECKING(for GCC 2.7 or higher)
1281	<	AC_EGREP_CPP(xyes,
1282	<	[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5
1283	<	xyes
1284	<	#endif
1285	<	], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
1281	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5)
1282	>	# error gcc < 2.7
1283	>	typedef syntax error;
1284	>	#endif
1285	>	]])],
1286	>	[AC_MSG_RESULT(yes); HAVE_GCC27=yes],
1287	>	[AC_MSG_RESULT(no)])
1288
1289		dnl Check for GCC 3.0 or higher.
1290		HAVE_GCC30=no
1291		AC_MSG_CHECKING(for GCC 3.0 or higher)
1292	<	AC_EGREP_CPP(xyes,
1293	<	[#if __GNUC__ >= 3
1294	<	xyes
1295	<	#endif
1296	<	], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
1292	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ >= 3)
1293	>	# error gcc < 3
1294	>	typedef syntax error;
1295	>	#endif
1296	>	]])],
1297	>	[AC_MSG_RESULT(yes); HAVE_GCC30=yes],
1298	>	[AC_MSG_RESULT(no)])
1299
1300		dnl Check for ICC.
1301		AC_MSG_CHECKING(for ICC)
#	Line 992 | Line 1306 | fi
1306		AC_MSG_RESULT($HAVE_ICC)
1307
1308		dnl Determine the generated object format
1309	<	AC_CACHE_CHECK([whether the compiler can generate ELF objects],
1309	>	AC_CACHE_CHECK([the format of compiler generated objects],
1310		ac_cv_object_format, [
1311		echo 'int i;' > conftest.$ac_ext
1312		ac_cv_object_format=no
#	Line 1001 | Line 1315 | AC_CACHE_CHECK([whether the compiler can
1315		*"ELF"*)
1316		ac_cv_object_format=elf
1317		;;
1318	+	*"Mach-O"*)
1319	+	ac_cv_object_format=mach
1320	+	;;
1321		*)
1322		ac_cv_object_format=unknown
1323		;;
#	Line 1009 | Line 1326 | AC_CACHE_CHECK([whether the compiler can
1326		rm -rf conftest*
1327		])
1328
1329	+	dnl Add -fno-strict-aliasing for slirp sources
1330	+	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1331	+	SAVED_CFLAGS="$CFLAGS"
1332	+	CFLAGS="$CFLAGS -fno-strict-aliasing"
1333	+	AC_CACHE_CHECK([whether the compiler supports -fno-strict-aliasing],
1334	+	ac_cv_gcc_no_strict_aliasing, [
1335	+	AC_TRY_COMPILE([],[],
1336	+	[ac_cv_gcc_no_strict_aliasing=yes; AC_SUBST(SLIRP_CFLAGS, "-fno-strict-aliasing")],
1337	+	[ac_cv_gcc_no_strict_aliasing=no])
1338	+	])
1339	+	CFLAGS="$SAVED_CFLAGS"
1340	+	fi
1341	+
1342	+	dnl Add -mdynamic-no-pic for MacOS X (XXX icc10 will support MacOS X)
1343	+	if [[ "x$HAVE_GCC30" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1344	+	SAVED_CFLAGS="$CFLAGS"
1345	+	CFLAGS="$CFLAGS -mdynamic-no-pic"
1346	+	AC_CACHE_CHECK([whether the compiler supports -mdynamic-no-pic],
1347	+	ac_cv_gcc_mdynamic_no_pic, [
1348	+	AC_TRY_COMPILE([],[],[ac_cv_gcc_mdynamic_no_pic=yes],[ac_cv_gcc_mdynamic_no_pic=no])
1349	+	])
1350	+	if [[ "x$ac_cv_gcc_mdynamic_no_pic" = "xyes" ]]; then
1351	+	CXXFLAGS="$CXXFLAGS -mdynamic-no-pic"
1352	+	else
1353	+	CFLAGS="$SAVED_CFLAGS"
1354	+	fi
1355	+	fi
1356	+
1357		dnl CPU emulator sources
1358		if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1359		CPUSRCS="\
1360		../kpx_cpu/src/mathlib/ieeefp.cpp \
1361	+	../kpx_cpu/src/mathlib/mathlib.cpp \
1362		../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \
1363		../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \
1364		../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \
1365	<	../kpx_cpu/src/cpu/ppc/ppc-translate.cpp"
1365	>	../kpx_cpu/src/cpu/ppc/ppc-translate.cpp \
1366	>	../kpx_cpu/src/utils/utils-cpuinfo.cpp"
1367		CPPFLAGS="$CPPFLAGS -I../kpx_cpu/include -I../kpx_cpu/src"
1368
1369		dnl Enable JIT compiler, if possible
#	Line 1033 | Line 1380 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1380		i?86:elf)
1381		ac_cv_use_dyngen=yes
1382		;;
1383	+	mips:elf)
1384	+	ac_cv_use_dyngen=yes
1385	+	;;
1386	+	powerpc:mach)
1387	+	ac_cv_use_dyngen=yes
1388	+	;;
1389	+	i?86:mach)
1390	+	ac_cv_use_dyngen=yes
1391	+	;;
1392		*:*)
1393		ac_cv_use_dyngen=no
1394		;;
#	Line 1042 | Line 1398 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1398		if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1399		DYNGEN_CC=$CXX
1400		else
1401	<	for p in /usr/bin /usr/local/bin; do
1401	>	for p in /usr/bin /usr/local/bin /usr/freeware/bin; do
1402		gxx="$p/g++"
1403		if [[ -x "$gxx" ]]; then
1404		DYNGEN_CC="$gxx"
#	Line 1050 | Line 1406 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1406		done
1407		fi
1408		fi
1409	<	if [[ -z "$DYNGEN_CC" ]] || ! { echo '#include <limits>' | $DYNGEN_CC -xc++ -c -o /dev/null - >& /dev/null; }; then
1409	>	if [[ -z "$DYNGEN_CC" ]]; then
1410		ac_cv_use_dyngen=no
1411		fi
1412		])
1413		if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then
1414		case $host_cpu in
1415		i?86)
1416	<	DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2"
1061	<	if [[ "x$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
1416	>	DYNGEN_OP_FLAGS="-fomit-frame-pointer"
1417		;;
1418	<	x86_64)
1419	<	AC_CHECK_HEADERS(mmintrin.h xmmintrin.h emmintrin.h)
1418	>	mips)
1419	>	DYNGEN_OP_FLAGS="-fno-delayed-branch -mno-abicalls"
1420		;;
1421	+	powerpc)
1422	+	if [[ "x$ac_cv_object_format" = "xmach" ]]; then
1423	+	DYNGEN_OP_FLAGS="-mdynamic-no-pic"
1424	+	fi
1425	+	;;
1426	+	esac
1427	+	have_dyngen_gcc3=no
1428	+	case "x`$DYNGEN_CC -dumpversion`" in
1429	+	x[12].*) ;;
1430	+	x*) have_dyngen_gcc3=yes ;;
1431		esac
1432	<	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000 -g0"
1433	<	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1432	>	if [[ "x$have_dyngen_gcc3" = "xyes" ]]; then
1433	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-align-functions"
1434	>	else
1435	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
1436	>	fi
1437	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-functions -finline-limit=10000 -fno-exceptions -g0"
1438	>	if [[ "x$have_dyngen_gcc3" = "xyes" ]]; then
1439		DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls"
1440		fi
1441	+	if [[ "x$DYNGEN_CC" != "x$CXX" ]]; then
1442	+	DYNGEN_CFLAGS="-O2 $CFLAGS"
1443	+	DYNGEN_CXXFLAGS="-O2 $CXXFLAGS"
1444	+	else
1445	+	DYNGEN_CFLAGS="\$(CFLAGS)"
1446	+	DYNGEN_CXXFLAGS="\$(CXXFLAGS)"
1447	+	fi
1448		else
1449		WANT_JIT=no
1450		fi
#	Line 1091 | Line 1456 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1456		CPUSRCS="\
1457		../kpx_cpu/src/cpu/jit/jit-cache.cpp \
1458		../kpx_cpu/src/cpu/jit/basic-dyngen.cpp \
1459	<	../kpx_cpu/src/cpu/ppc/ppc-dyngen.cpp $CPUSRCS"
1459	>	../kpx_cpu/src/cpu/ppc/ppc-dyngen.cpp \
1460	>	../kpx_cpu/src/cpu/ppc/ppc-jit.cpp $CPUSRCS"
1461		fi
1462		fi
1463		CPUSRCS="$CPUSRCS ../kpx_cpu/sheepshaver_glue.cpp"
1464		else
1465		WANT_JIT=no
1466		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	–
1467		if [[ "x$WANT_JIT" = "xyes" ]]; then
1468		CPPFLAGS="$CPPFLAGS -DUSE_JIT"
1469		fi
1470
1471	+	dnl Higher level optimizations with MIPSPro compilers are possible
1472	+	if [[ "x$HAVE_IPA" = "xyes" ]]; then
1473	+	CFLAGS="`echo $CFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA"
1474	+	CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA"
1475	+	CXXFLAGS="-LANG:std $CXXFLAGS"
1476	+	LDFLAGS="$LDFLAGS -O3 -OPT:Olimit=0 -IPA"
1477	+	fi
1478	+
1479	+	dnl Check for linker script support
1480	+	case $target_os:$target_cpu in
1481	+	linux*:i?86)    LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1482	+	linux*:x86_64)  LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-x86_64.ld";;
1483	+	linux*:powerpc) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-ppc.ld";;
1484	+	netbsd*:i?86)   LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1485	+	freebsd*:i?86)  LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/freebsd-i386.ld";;
1486	+	darwin*:*)      LINKER_SCRIPT_FLAGS="-Wl,-seg1addr,0x78048000";;
1487	+	esac
1488	+	if [[ -n "$LINKER_SCRIPT_FLAGS" ]]; then
1489	+	AC_CACHE_CHECK([whether linker script is usable],
1490	+	ac_cv_linker_script_works, [
1491	+	AC_LANG_SAVE
1492	+	AC_LANG_CPLUSPLUS
1493	+	saved_LDFLAGS="$LDFLAGS"
1494	+	LDFLAGS="$LDFLAGS $LINKER_SCRIPT_FLAGS"
1495	+	AC_TRY_RUN(
1496	+	[int main() {if ((char *)&main < (char *)0x70000000) return 1;}],
1497	+	[ac_cv_linker_script_works=yes],
1498	+	[ac_cv_linker_script_works=no],
1499	+	dnl When cross-compiling, assume it works
1500	+	[ac_cv_linker_script_works="guessing yes"]
1501	+	)
1502	+	AC_LANG_RESTORE
1503	+	if [[ "$ac_cv_linker_script_works" = "no" ]]; then
1504	+	LDFLAGS="$saved_LDFLAGS"
1505	+	LINKER_SCRIPT_FLAGS=""
1506	+	fi
1507	+	])
1508	+	fi
1509	+	AC_TRANSLATE_DEFINE(HAVE_LINKER_SCRIPT, "$ac_cv_linker_script_works",
1510	+	[Define if there is a linker script to relocate the executable above 0x70000000.])
1511	+
1512		dnl Generate Makefile.
1513		AC_SUBST(PERL)
1514		AC_SUBST(USE_DYNGEN, [$ac_cv_use_dyngen])
1515		AC_SUBST(DYNGENSRCS)
1516		AC_SUBST(DYNGEN_CC)
1517	+	AC_SUBST(DYNGEN_CFLAGS)
1518	+	AC_SUBST(DYNGEN_CXXFLAGS)
1519		AC_SUBST(DYNGEN_OP_FLAGS)
1520		AC_SUBST(SYSSRCS)
1521		AC_SUBST(CPUSRCS)
#	Line 1148 | Line 1531 | echo
1531		echo SheepShaver configuration summary:
1532		echo
1533		echo SDL support ...................... : $SDL_SUPPORT
1534	+	echo FBDev DGA support ................ : $WANT_FBDEV_DGA
1535		echo XFree86 DGA support .............. : $WANT_XF86_DGA
1536		echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
1537		echo Using PowerPC emulator ........... : $EMULATED_PPC

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