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

Comparing SheepShaver/src/Unix/configure.ac (file contents):
Revision 1.7 by gbeauche, 2004-07-19T19:42:21Z vs.
Revision 1.53 by gbeauche, 2006-07-06T00:07:47Z

#	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=$withval])
43
44	+	dnl Addressing mode
45	+	AC_ARG_ENABLE(addressing,
46	+	[  --enable-addressing=AM  set the addressing mode to use [default=real]],
47	+	[case "$enableval" in
48	+	real)        WANT_ADDRESSING_MODE="real";;
49	+	direct)      WANT_ADDRESSING_MODE="direct";;
50	+	direct,0x*)  WANT_ADDRESSING_MODE="direct"; NATMEM_OFFSET=`echo "$enableval" | sed -n '/direct,\(0[[xX]][[0-9A-Fa-f]]*\([[UuLl]]\{1,2\}\)\?\)$/s//\1/p'`;;
51	+	esac],
52	+	[WANT_ADDRESSING_MODE="real"]
53	+	)
54	+
55		dnl SDL options.
56		AC_ARG_ENABLE(sdl-static,   [  --enable-sdl-static     use SDL static libraries for linking [default=no]], [WANT_SDL_STATIC=$enableval], [WANT_SDL_STATIC=no])
57		AC_ARG_ENABLE(sdl-video,    [  --enable-sdl-video      use SDL for video graphics [default=no]], [WANT_SDL_VIDEO=$enableval], [WANT_SDL_VIDEO=no])
#	Line 37 | Line 64 | AC_PROG_CXX
64		AC_PROG_MAKE_SET
65		AC_PROG_INSTALL
66		AC_PROG_EGREP
67	+	AC_PATH_PROGS(FILE, [file false])
68	+	AC_PATH_PROG(PERL, [perl])
69
70		dnl Check for PowerPC target CPU.
71		HAVE_PPC=no
#	Line 93 | Line 122 | if [[ "x$WANT_MON" = "xyes" ]]; then
122		WANT_MON=no
123		fi
124		fi
125	+	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 124 | Line 155 | if [[ "x$WANT_SDL" = "xyes" ]]; then
155		LIBS="$LIBS $sdl_libs"
156		else
157		WANT_SDL=no
158	+	WANT_SDL_VIDEO=no
159	+	WANT_SDL_AUDIO=no
160		fi
161		SDL_SUPPORT=`echo "$SDL_SUPPORT" | sed -e "s/^ //"`
162		else
#	Line 131 | Line 164 | else
164		fi
165
166		dnl We need X11, if not using SDL.
167	<	if [[ "x$WANT_SDL" = "xno" ]]; then
167	>	if [[ "x$WANT_SDL_VIDEO" != "xyes" ]]; then
168		AC_PATH_XTRA
169		if [[ "x$no_x" = "xyes" ]]; then
170		AC_MSG_ERROR([You need X11 to run SheepShaver.])
#	Line 144 | Line 177 | fi
177		dnl We need pthreads on non-PowerPC systems. Try libpthread first, then libc_r (FreeBSD), then PTL.
178		HAVE_PTHREADS=yes
179		case $EMULATED_PPC:$target_os in
180	<	no:linux*)
180	>	no:linux*|no:netbsd*)
181		dnl We do have our own pthread_cancel() implementation
182		AC_DEFINE(HAVE_PTHREAD_CANCEL, 1, [Define if you have the pthread_cancel function.])
183		;;
#	Line 152 | Line 185 | no:linux*)
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)
163	–	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
164	–	AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
165	–	fi
199		dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
200		SEMSRC=
201		AC_CHECK_FUNCS(sem_init, , [
#	Line 172 | Line 205 | no:linux*)
205		])
206		;;
207		esac
208	+	if [[ "x$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 197 | 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	>	AM_PATH_GTK_2_0(1.3.15, [
249	>	GUI_CFLAGS="$GTK_CFLAGS"
250	>	GUI_LIBS="$GTK_LIBS"
251	>	WANT_GTK=gtk2
252	>	], [
253	>	case "x${WANT_GTK}x" in
254	>	*gtkx)
255	>	AC_MSG_WARN([Could not find GTK+ 2.0, trying with GTK+ 1.2.])
256	>	WANT_GTK=gtk
257	>	;;
258	>	*)
259	>	AC_MSG_WARN([Could not find GTK+, disabling user interface.])
260	>	WANT_GTK=no
261	>	;;
262	>	esac
263	>	])
264	>	;;
265	>	esac
266	>	if [[ "x$WANT_GTK" = "xgtk" ]]; then
267		AM_PATH_GTK(1.2.0, [
268	<	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
269	<	CFLAGS="$CFLAGS $GTK_CFLAGS"
204	<	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
205	<	LIBS="$LIBS $GTK_LIBS"
206	<	UISRCS=prefs_editor_gtk.cpp
268	>	GUI_CFLAGS="$GTK_CFLAGS"
269	>	GUI_LIBS="$GTK_LIBS"
270		], [
271		AC_MSG_WARN([Could not find GTK+, disabling user interface.])
272		WANT_GTK=no
273		])
274		fi
275	+	if [[ "x$WANT_GTK" != "xno" -a "x$WANT_STANDALONE_GUI" = "xno" ]]; then
276	+	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
277	+	UISRCS=prefs_editor_gtk.cpp
278	+	fi
279	+	AC_SUBST(GUI_CFLAGS)
280	+	AC_SUBST(GUI_LIBS)
281	+
282	+	dnl Build external GUI if requested.
283	+	if [[ "$WANT_STANDALONE_GUI" != "yes" ]]; then
284	+	WANT_STANDALONE_GUI=no
285	+	fi
286	+	if [[ "$WANT_GTK" = "no" ]]; then
287	+	WANT_STANDALONE_GUI=no
288	+	fi
289	+	AC_SUBST(STANDALONE_GUI, [$WANT_STANDALONE_GUI])
290
291		dnl We use ESD if possible.
292		if [[ "x$WANT_ESD" = "xyes" ]]; then
#	Line 229 | Line 307 | AC_SYS_LARGEFILE
307		dnl Checks for header files.
308		AC_HEADER_STDC
309		AC_HEADER_SYS_WAIT
310	+	AC_CHECK_HEADERS(malloc.h stdint.h)
311		AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h)
233	–	AC_CHECK_HEADERS(sys/time.h sys/times.h sys/socket.h)
312		AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h dirent.h)
313	<	AC_CHECK_HEADERS(linux/if.h, [], [], [
314	<	#if HAVE_SYS_SOCKET_H
315	<	# include <sys/socket.h>
313	>	AC_CHECK_HEADERS(sys/socket.h sys/ioctl.h sys/filio.h sys/bitypes.h sys/wait.h)
314	>	AC_CHECK_HEADERS(sys/time.h sys/poll.h sys/select.h arpa/inet.h)
315	>	AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h, [], [], [
316	>	#ifdef HAVE_SYS_TYPES_H
317	>	#include <sys/types.h>
318	>	#endif
319	>	#ifdef HAVE_SYS_SOCKET_H
320	>	#include <sys/socket.h>
321		#endif
322		])
323	<	AC_CHECK_HEADERS(linux/if_tun.h net/if.h net/if_tun.h)
323	>	AC_CHECK_HEADERS(AvailabilityMacros.h)
324	>	AC_CHECK_HEADERS(IOKit/storage/IOBlockStorageDevice.h)
325	>	AC_CHECK_HEADERS(fenv.h)
326
327		dnl Checks for typedefs, structures, and compiler characteristics.
328		AC_C_BIGENDIAN
#	Line 257 | Line 342 | AC_TYPE_SIGNAL
342		AC_HEADER_TIME
343		AC_STRUCT_TM
344
345	+	dnl Check whether sys/socket.h defines type socklen_t.
346	+	dnl (extracted from ac-archive/Miscellaneous)
347	+	AC_CACHE_CHECK([for socklen_t],
348	+	ac_cv_type_socklen_t, [
349	+	AC_TRY_COMPILE([
350	+	#include <sys/types.h>
351	+	#include <sys/socket.h>
352	+	], [socklen_t len = 42; return 0;],
353	+	ac_cv_type_socklen_t=yes, ac_cv_type_socklen_t=no,
354	+	dnl When cross-compiling, do not assume anything.
355	+	ac_cv_type_socklen_t="guessing no"
356	+	)
357	+	])
358	+	if [[ "x$ac_cv_type_socklen_t" != "xyes" ]]; then
359	+	AC_DEFINE(socklen_t, int, [Define to 'int' if <sys/types.h> doesn't define.])
360	+	fi
361	+
362		dnl Check whether struct sigaction has sa_restorer member.
363		AC_CACHE_CHECK([whether struct sigaction has sa_restorer],
364		ac_cv_signal_sa_restorer, [
#	Line 273 | Line 375 | if [[ "x$ac_cv_signal_sa_restorer" = "xy
375		fi
376
377		dnl Checks for library functions.
378	<	AC_CHECK_FUNCS(strdup strlcpy cfmakeraw)
378	>	AC_CHECK_FUNCS(strdup strerror strlcpy cfmakeraw)
379		AC_CHECK_FUNCS(nanosleep)
380		AC_CHECK_FUNCS(sigaction signal)
381		AC_CHECK_FUNCS(mmap mprotect munmap)
382		AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
383	<	AC_CHECK_FUNCS(posix_memalign memalign valloc)
383	>	AC_CHECK_FUNCS(exp2f log2f exp2 log2)
384	>	AC_CHECK_FUNCS(floorf roundf ceilf truncf floor round ceil trunc)
385	>	AC_CHECK_FUNCS(poll inet_aton)
386
387		dnl Darwin seems to define mach_task_self() instead of task_self().
388		AC_CHECK_FUNCS(mach_task_self task_self)
#	Line 290 | Line 394 | no:linux*)
394		;;
395		*:*)
396		AC_SEARCH_LIBS(clock_gettime, [rt posix4])
397	<	AC_CHECK_FUNCS(clock_gettime)
397	>	AC_CHECK_FUNCS(clock_gettime clock_nanosleep)
398		;;
399		esac
400
401	+	dnl Check for headers and functions related to pty support (sshpty.c)
402	+	dnl From openssh-3.2.2p1 configure.ac
403	+	AC_CHECK_HEADERS(strings.h login.h sys/bsdtty.h sys/stat.h util.h pty.h)
404	+	AC_CHECK_FUNCS(_getpty vhangup strlcpy)
405	+
406	+	case "$host" in
407	+	*-*-hpux10.26)
408	+	disable_ptmx_check=yes
409	+	;;
410	+	*-*-linux*)
411	+	no_dev_ptmx=1
412	+	;;
413	+	mips-sony-bsd|mips-sony-newsos4)
414	+	AC_DEFINE(HAVE_NEWS4, 1, [Define if you are on NEWS-OS (additions from openssh-3.2.2p1, for sshpty.c).])
415	+	;;
416	+	*-*-sco3.2v4*)
417	+	no_dev_ptmx=1
418	+	;;
419	+	*-*-sco3.2v5*)
420	+	no_dev_ptmx=1
421	+	;;
422	+	*-*-cygwin*)
423	+	no_dev_ptmx=1
424	+	;;
425	+	esac
426	+
427	+	if test -z "$no_dev_ptmx" ; then
428	+	if test "x$disable_ptmx_check" != "xyes" ; then
429	+	AC_CHECK_FILE([/dev/ptmx],
430	+	[
431	+	AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX, 1, [Define if you have /dev/ptmx.])
432	+	have_dev_ptmx=1
433	+	]
434	+	)
435	+	fi
436	+	fi
437	+	AC_CHECK_FILE([/dev/ptc],
438	+	[
439	+	AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC, 1, [Define if you have /dev/ptc.])
440	+	have_dev_ptc=1
441	+	]
442	+	)
443	+	dnl (end of code from openssh-3.2.2p1 configure.ac)
444	+
445	+	dnl Check for systems where POSIX-style non-blocking I/O (O_NONBLOCK)
446	+	dnl doesn't work or is unimplemented. On these systems (mostly older
447	+	dnl ones), use the old BSD-style FIONBIO approach instead. [tcl.m4]
448	+	AC_CACHE_CHECK([FIONBIO vs. O_NONBLOCK for non-blocking I/O],
449	+	ac_cv_nonblocking_io, [
450	+	case "$host" in
451	+	*-*-osf*)
452	+	ac_cv_nonblocking_io=FIONBIO
453	+	;;
454	+	*-*-sunos4*)
455	+	ac_cv_nonblocking_io=FIONBIO
456	+	;;
457	+	*-*-ultrix*)
458	+	ac_cv_nonblocking_io=FIONBIO
459	+	;;
460	+	*)
461	+	ac_cv_nonblocking_io=O_NONBLOCK
462	+	;;
463	+	esac
464	+	])
465	+	if [[ "$ac_cv_nonblocking_io" = "FIONBIO" ]]; then
466	+	AC_DEFINE(USE_FIONBIO, 1, [Define if BSD-style non-blocking I/O is to be used])
467	+	fi
468	+
469	+	dnl Check whether compiler supports byte bit-fields
470	+	AC_CACHE_CHECK([whether compiler supports byte bit-fields],
471	+	ac_cv_have_byte_bitfields, [
472	+	AC_LANG_SAVE
473	+	AC_LANG_CPLUSPLUS
474	+	AC_TRY_RUN([
475	+	struct A {
476	+	unsigned char b1:4;
477	+	unsigned char b2:4;
478	+	unsigned char c;
479	+	unsigned short s;
480	+	unsigned char a[4];
481	+	};
482	+
483	+	int main(void) {
484	+	A a;
485	+	return ! (sizeof(A) == 8 && &a.c == ((unsigned char *)&a + 1));
486	+	}],
487	+	[ac_cv_have_byte_bitfields=yes],
488	+	[ac_cv_have_byte_bitfields=no],
489	+	dnl When cross-compiling, assume only GCC supports this
490	+	[if [[ "$GCC" = "yes" ]]; then
491	+	ac_cv_have_byte_bitfields="guessing yes"
492	+	else
493	+	ac_cv_have_byte_bitfields="guessing no"
494	+	fi]
495	+	)
496	+	AC_LANG_RESTORE
497	+	])
498	+
499		dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
500	<	AC_DEFUN(AC_CHECK_FRAMEWORK, [
500	>	AC_DEFUN([AC_CHECK_FRAMEWORK], [
501		AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
502		AC_CACHE_CHECK([whether compiler supports framework $1],
503		ac_Framework, [
504		saved_LIBS="$LIBS"
505		LIBS="$LIBS -framework $1"
506		AC_TRY_LINK(
507	<	[$2], [int main(void) { return 0; }],
507	>	[$2], [],
508		[AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
509		)
510		])
#	Line 315 | Line 517 | AC_DEFUN(AC_CHECK_FRAMEWORK, [
517		dnl Check for some MacOS X frameworks
518		AC_CHECK_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>])
519		AC_CHECK_FRAMEWORK(IOKit, [#include <IOKit/IOKitLib.h>])
520	+	AC_CHECK_FRAMEWORK(CoreFoundation, [#include <CoreFoundation/CoreFoundation.h>])
521
522		dnl Select system-dependant sources.
523		SERIALSRC=serial_unix.cpp
#	Line 325 | Line 528 | EXTFSSRC=extfs_unix.cpp
528		EXTRASYSSRCS=
529		case "$target_os" in
530		linux*)
531	<	ETHERSRC=Linux/ether_linux.cpp
531	>	ETHERSRC=ether_unix.cpp
532		AUDIOSRC=audio_oss_esd.cpp
533		SCSISRC=Linux/scsi_linux.cpp
534		if [[ "x$EMULATED_PPC" = "xno" ]]; then
535	<	EXTRASYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c Linux/asm_linux.S"
535	>	EXTRASYSSRCS="paranoia.cpp Linux/sheepthreads.c ppc_asm.S"
536	>	fi
537	>	;;
538	>	freebsd*)
539	>	ETHERSRC=ether_unix.cpp
540	>	;;
541	>	netbsd*)
542	>	ETHERSRC=ether_unix.cpp
543	>	if [[ "x$EMULATED_PPC" = "xno" ]]; then
544	>	EXTRASYSSRCS="paranoia.cpp NetBSD/sheepthreads.c ppc_asm.S"
545		fi
546		;;
547		darwin*)
548	+	ETHERSRC=ether_unix.cpp
549		if [[ "x$EMULATED_PPC" = "xno" ]]; then
550	<	EXTRASYSSRCS="Darwin/paranoia.cpp Linux/asm_linux.S"
550	>	EXTRASYSSRCS="paranoia.cpp ppc_asm.S"
551		fi
552	<	if [[ "x$ac_cv_framework_IOKit" = "xyes" ]]; then
552	>	if [[ "x$ac_cv_framework_IOKit" = "xyes" -a "x$ac_cv_framework_CoreFoundation" = "xyes" ]]; then
553		EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/sys_darwin.cpp"
554		fi
555		if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
556		EXTFSSRC=../MacOSX/extfs_macosx.mm
557		fi
558		;;
559	+	irix*)
560	+	AUDIOSRC=Irix/audio_irix.cpp
561	+	LIBS="$LIBS -laudio"
562	+	WANT_ESD=no
563	+
564	+	dnl Check if our compiler supports -IPA (MIPSPro)
565	+	HAVE_IPA=no
566	+	ocflags="$CFLAGS"
567	+	CFLAGS=`echo " $CFLAGS -IPA" | sed -e "s/ -g //g"`
568	+	AC_MSG_CHECKING(if "-IPA" works)
569	+	dnl Do a test compile of an empty function
570	+	AC_TRY_COMPILE([#if defined __GNUC__
571	+	# error GCC does not support IPA yet
572	+	#endif],, [AC_MSG_RESULT(yes); HAVE_IPA=yes], AC_MSG_RESULT(no))
573	+	CFLAGS="$ocflags"
574	+	;;
575	+	esac
576	+
577	+	dnl Is the slirp library supported?
578	+	case "$ac_cv_have_byte_bitfields" in
579	+	yes|"guessing yes")
580	+	CAN_SLIRP=yes
581	+	ETHERSRC=ether_unix.cpp
582	+	;;
583		esac
584	+	if [[ -n "$CAN_SLIRP" ]]; then
585	+	AC_DEFINE(HAVE_SLIRP, 1, [Define if slirp library is supported])
586	+	SLIRP_SRCS="\
587	+	../slirp/bootp.c     ../slirp/ip_output.c  ../slirp/tcp_input.c  \
588	+	../slirp/cksum.c     ../slirp/mbuf.c       ../slirp/tcp_output.c \
589	+	../slirp/debug.c     ../slirp/misc.c       ../slirp/tcp_subr.c   \
590	+	../slirp/if.c        ../slirp/sbuf.c       ../slirp/tcp_timer.c  \
591	+	../slirp/ip_icmp.c   ../slirp/slirp.c      ../slirp/tftp.c       \
592	+	../slirp/ip_input.c  ../slirp/socket.c     ../slirp/udp.c"
593	+	fi
594	+	AC_SUBST(SLIRP_SRCS)
595
596		dnl SDL overrides
597		if [[ "x$WANT_SDL" = "xyes" ]]; then
#	Line 368 | Line 616 | if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; th
616		AUDIOSRC="../SDL/audio_sdl.cpp"
617		fi
618
619	<	SYSSRCS="$VIDEOSRCS $EXTFSSRC $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
619	>	SYSSRCS="$VIDEOSRCS $EXTFSSRC $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $EXTRASYSSRCS"
620
621		dnl Define a macro that translates a yesno-variable into a C macro definition
622		dnl to be put into the config.h file
623		dnl $1 -- the macro to define
624		dnl $2 -- the value to translate
625		dnl $3 -- template name
626	<	AC_DEFUN(AC_TRANSLATE_DEFINE, [
626	>	AC_DEFUN([AC_TRANSLATE_DEFINE], [
627		if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then
628		AC_DEFINE($1, 1, $3)
629		fi
#	Line 672 | Line 920 | fi
920		AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions",
921		[Define if your system supports Mach exceptions.])
922
923	+	dnl Check if Windows exceptions are supported.
924	+	AC_CACHE_CHECK([whether your system supports Windows exceptions],
925	+	ac_cv_have_win32_exceptions, [
926	+	AC_LANG_SAVE
927	+	AC_LANG_CPLUSPLUS
928	+	AC_TRY_RUN([
929	+	#define HAVE_WIN32_EXCEPTIONS 1
930	+	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
931	+	#include "vm_alloc.cpp"
932	+	#include "sigsegv.cpp"
933	+	], [
934	+	sigsegv_recovery=win32
935	+	ac_cv_have_win32_exceptions=yes
936	+	],
937	+	ac_cv_have_win32_exceptions=no,
938	+	dnl When cross-compiling, do not assume anything.
939	+	ac_cv_have_win32_exceptions=no
940	+	)
941	+	AC_LANG_RESTORE
942	+	]
943	+	)
944	+	AC_TRANSLATE_DEFINE(HAVE_WIN32_EXCEPTIONS, "$ac_cv_have_win32_exceptions",
945	+	[Define if your system supports Windows exceptions.])
946	+
947		dnl Otherwise, check if extended signals are supported.
948		if [[ -z "$sigsegv_recovery" ]]; then
949		AC_CACHE_CHECK([whether your system supports extended signal handlers],
#	Line 758 | Line 1030 | else
1030		WANT_VOSF=no
1031		fi
1032
1033	+	dnl Check addressing mode to use
1034	+	AC_MSG_CHECKING([for addressing mode to use])
1035	+	if [[ "$EMULATED_PPC" != "yes" ]]; then
1036	+	if [[ "$WANT_ADDRESSING_MODE" != "real" ]]; then
1037	+	AC_MSG_WARN([Running in native PowerPC mode, force use of Real Addressing.])
1038	+	WANT_ADDRESSING_MODE="real"
1039	+	fi
1040	+	fi
1041	+	if [[ "$WANT_ADDRESSING_MODE" = "direct" ]]; then
1042	+	if [[ -n "$NATMEM_OFFSET" ]]; then
1043	+	NATMEM_OFFSET_DEF="-DNATMEM_OFFSET=$NATMEM_OFFSET"
1044	+	fi
1045	+	AC_LANG_SAVE
1046	+	AC_LANG_CPLUSPLUS
1047	+	cat confdefs.h > conftest.$ac_ext
1048	+	cat >> conftest.$ac_ext << EOF
1049	+	#include <stdio.h>
1050	+	#include <string.h>
1051	+	#include "vm_alloc.cpp"
1052	+
1053	+	int main(void)
1054	+	{
1055	+	if (vm_init() < 0)
1056	+	return 1;
1057	+
1058	+	static const struct {
1059	+	unsigned long base;
1060	+	unsigned int size;
1061	+	} ranges[[]] = {
1062	+	{ 0x00000000, 0x0003000 },
1063	+	{ 0x10000000, 0x2000000 },
1064	+	{ 0x40800000, 0x0400000 },
1065	+	{ 0x68070000, 0x0010000 },
1066	+	{ 0x69000000, 0x0080000 },
1067	+	{ 0x68ffe000, 0x0002000 },
1068	+	{ 0x5fffe000, 0x0002000 },
1069	+	{ 0x60000000, 0x0040000 },
1070	+	};
1071	+	const int n_ranges = sizeof(ranges)/ sizeof(ranges[[0]]);
1072	+
1073	+	#ifdef NATMEM_OFFSET
1074	+	unsigned long ofs = NATMEM_OFFSET;
1075	+	#else
1076	+	for (unsigned long ofs = 0x10000000; ofs <= 0x90000000; ofs += 0x10000000)
1077	+	#endif
1078	+	for (int i = 0; i < n_ranges; i++) {
1079	+	char *m = (char *)(ranges[[i]].base + ofs);
1080	+	if (vm_acquire_fixed(m, ranges[[i]].size) != 0)
1081	+	break;
1082	+	memset(m, 0, ranges[[i]].size);
1083	+	vm_release(m, ranges[[i]].size);
1084	+	if (i == n_ranges - 1) {
1085	+	if (sizeof(void *) == 8 && ofs > 0xffffffff)
1086	+	printf("0x%lxul\n", ofs);
1087	+	else
1088	+	printf("0x%08x\n", ofs);
1089	+	return 0;
1090	+	}
1091	+	}
1092	+
1093	+	vm_exit();
1094	+	return 1;
1095	+	}
1096	+	EOF
1097	+	doit='$CXX conftest.$ac_ext -o conftest.$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS $LIBS $NATMEM_OFFSET_DEF >& AS_MESSAGE_LOG_FD'
1098	+	if AC_TRY_EVAL(doit); then
1099	+	NATMEM_OFFSET=`./conftest.$ac_exeext`
1100	+	else
1101	+	NATMEM_OFFSET=
1102	+	fi
1103	+	rm -f conftest*
1104	+	AC_LANG_RESTORE
1105	+
1106	+	if [[ -z "$NATMEM_OFFSET" ]]; then
1107	+	AC_MSG_ERROR([could not determine a sensible NATMEM_OFFSET value])
1108	+	else
1109	+	WANT_ADDRESSING_MODE="direct,$NATMEM_OFFSET"
1110	+	AC_DEFINE_UNQUOTED(NATMEM_OFFSET, $NATMEM_OFFSET,
1111	+	[Define constant offset for Mac address translation])
1112	+	fi
1113	+	fi
1114	+	AC_MSG_RESULT($WANT_ADDRESSING_MODE)
1115	+
1116	+	dnl Utility macro used by next two tests.
1117	+	dnl AC_EXAMINE_OBJECT(C source code,
1118	+	dnl     commands examining object file,
1119	+	dnl     [commands to run if compile failed]):
1120	+	dnl
1121	+	dnl Compile the source code to an object file; then convert it into a
1122	+	dnl printable representation.  All unprintable characters and
1123	+	dnl asterisks (*) are replaced by dots (.).  All white space is
1124	+	dnl deleted.  Newlines (ASCII 0x10) in the input are preserved in the
1125	+	dnl output, but runs of newlines are compressed to a single newline.
1126	+	dnl Finally, line breaks are forcibly inserted so that no line is
1127	+	dnl longer than 80 columns and the file ends with a newline.  The
1128	+	dnl result of all this processing is in the file conftest.dmp, which
1129	+	dnl may be examined by the commands in the second argument.
1130	+	dnl
1131	+	AC_DEFUN([gcc_AC_EXAMINE_OBJECT],
1132	+	[AC_LANG_SAVE
1133	+	AC_LANG_C
1134	+	dnl Next bit cribbed from AC_TRY_COMPILE.
1135	+	cat > conftest.$ac_ext <<EOF
1136	+	[#line __oline__ "configure"
1137	+	#include "confdefs.h"
1138	+	$1
1139	+	]EOF
1140	+	if AC_TRY_EVAL(ac_compile); then
1141	+	od -c conftest.o |
1142	+	sed ['s/^[0-7]*[    ]*/ /
1143	+	s/\*/./g
1144	+	s/ \\n/*/g
1145	+	s/ [0-9][0-9][0-9]/./g
1146	+	s/  \\[^ ]/./g'] |
1147	+	tr -d '
1148	+	' | tr -s '*' '
1149	+	' | fold | sed '$a\
1150	+	' > conftest.dmp
1151	+	$2
1152	+	ifelse($3, , , else
1153	+	$3
1154	+	)dnl
1155	+	fi
1156	+	rm -rf conftest*
1157	+	AC_LANG_RESTORE])
1158	+
1159	+	dnl Floating point format probe.
1160	+	dnl The basic concept is the same as the above: grep the object
1161	+	dnl file for an interesting string.  We have to watch out for
1162	+	dnl rounding changing the values in the object, however; this is
1163	+	dnl handled by ignoring the least significant byte of the float.
1164	+	dnl
1165	+	dnl Does not know about VAX G-float or C4x idiosyncratic format.
1166	+	dnl It does know about PDP-10 idiosyncratic format, but this is
1167	+	dnl not presently supported by GCC.  S/390 "binary floating point"
1168	+	dnl is in fact IEEE (but maybe we should have that in EBCDIC as well
1169	+	dnl as ASCII?)
1170	+	dnl
1171	+	AC_DEFUN([gcc_AC_C_FLOAT_FORMAT],
1172	+	[AC_CACHE_CHECK(floating point format, ac_cv_c_float_format,
1173	+	[gcc_AC_EXAMINE_OBJECT(
1174	+	[/* This will not work unless sizeof(double) == 8.  */
1175	+	extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1];
1176	+
1177	+	/* This structure must have no internal padding.  */
1178	+	struct possibility {
1179	+	char prefix[8];
1180	+	double candidate;
1181	+	char postfix[8];
1182	+	};
1183	+
1184	+	#define C(cand) { "\nformat:", cand, ":tamrof\n" }
1185	+	struct possibility table [] =
1186	+	{
1187	+	C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */
1188	+	C( 3.53802595280598432000e+18), /* D__float - VAX */
1189	+	C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */
1190	+	C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */
1191	+	C(-5.22995989424860458374e+10)  /* IBMHEXFP - s/390 format, EBCDIC */
1192	+	};],
1193	+	[if   grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1194	+	ac_cv_c_float_format='IEEE (big-endian)'
1195	+	elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then
1196	+	ac_cv_c_float_format='IEEE (big-endian)'
1197	+	elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then
1198	+	ac_cv_c_float_format='IEEE (little-endian)'
1199	+	elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then
1200	+	ac_cv_c_float_format='IEEE (little-endian)'
1201	+	elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then
1202	+	ac_cv_c_float_format='VAX D-float'
1203	+	elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then
1204	+	ac_cv_c_float_format='PDP-10'
1205	+	elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1206	+	ac_cv_c_float_format='IBM 370 hex'
1207	+	else
1208	+	AC_MSG_ERROR(Unknown floating point format)
1209	+	fi],
1210	+	[AC_MSG_ERROR(compile failed)])
1211	+	])
1212	+	# IEEE is the default format.  If the float endianness isn't the same
1213	+	# as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN
1214	+	# (which is a tristate: yes, no, default).  This is only an issue with
1215	+	# IEEE; the other formats are only supported by a few machines each,
1216	+	# all with the same endianness.
1217	+	format=IEEE_FLOAT_FORMAT
1218	+	fbigend=
1219	+	case $ac_cv_c_float_format in
1220	+	'IEEE (big-endian)' )
1221	+	if test $ac_cv_c_bigendian = no; then
1222	+	fbigend=1
1223	+	fi
1224	+	;;
1225	+	'IEEE (little-endian)' )
1226	+	if test $ac_cv_c_bigendian = yes; then
1227	+	fbigend=0
1228	+	fi
1229	+	;;
1230	+	'VAX D-float' )
1231	+	format=VAX_FLOAT_FORMAT
1232	+	;;
1233	+	'PDP-10' )
1234	+	format=PDP10_FLOAT_FORMAT
1235	+	;;
1236	+	'IBM 370 hex' )
1237	+	format=IBM_FLOAT_FORMAT
1238	+	;;
1239	+	esac
1240	+	AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format,
1241	+	[Define to the floating point format of the host machine.])
1242	+	if test -n "$fbigend"; then
1243	+	AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend,
1244	+	[Define to 1 if the host machine stores floating point numbers in
1245	+	memory with the word containing the sign bit at the lowest address,
1246	+	or to 0 if it does it the other way around.
1247	+
1248	+	This macro should not be defined if the ordering is the same as for
1249	+	multi-word integers.])
1250	+	fi
1251	+	])
1252	+
1253	+	dnl Check for host float format
1254	+	gcc_AC_C_FLOAT_FORMAT
1255	+
1256		dnl Platform specific binary postprocessor
1257		AC_PATH_PROG(BLESS, "true")
1258		if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then
#	Line 768 | Line 1263 | fi
1263		dnl Check for GCC 2.7 or higher.
1264		HAVE_GCC27=no
1265		AC_MSG_CHECKING(for GCC 2.7 or higher)
1266	<	AC_EGREP_CPP(xyes,
1267	<	[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5
1268	<	xyes
1269	<	#endif
1270	<	], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
1266	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5)
1267	>	# error gcc < 2.7
1268	>	typedef syntax error;
1269	>	#endif
1270	>	]])],
1271	>	[AC_MSG_RESULT(yes); HAVE_GCC27=yes],
1272	>	[AC_MSG_RESULT(no)])
1273
1274		dnl Check for GCC 3.0 or higher.
1275		HAVE_GCC30=no
1276		AC_MSG_CHECKING(for GCC 3.0 or higher)
1277	<	AC_EGREP_CPP(xyes,
1278	<	[#if __GNUC__ >= 3
1279	<	xyes
1280	<	#endif
1281	<	], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
1277	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ >= 3)
1278	>	# error gcc < 3
1279	>	typedef syntax error;
1280	>	#endif
1281	>	]])],
1282	>	[AC_MSG_RESULT(yes); HAVE_GCC30=yes],
1283	>	[AC_MSG_RESULT(no)])
1284
1285		dnl Check for ICC.
1286		AC_MSG_CHECKING(for ICC)
#	Line 791 | Line 1290 | if $CXX -V -v 2>&1 | grep -q "Intel(R) C
1290		fi
1291		AC_MSG_RESULT($HAVE_ICC)
1292
1293	<	# Test if the compiler can generate ELF objects
1294	<	AC_CACHE_CHECK([whether the compiler can generate ELF objects],
1295	<	ac_cv_elf_objects, [
1293	>	dnl Determine the generated object format
1294	>	AC_CACHE_CHECK([the format of compiler generated objects],
1295	>	ac_cv_object_format, [
1296		echo 'int i;' > conftest.$ac_ext
1297	<	ac_cv_elf_objects=no
1297	>	ac_cv_object_format=no
1298		if AC_TRY_EVAL(ac_compile); then
1299		case `/usr/bin/file conftest.$ac_objext` in
1300		*"ELF"*)
1301	<	ac_cv_elf_objects=yes
1301	>	ac_cv_object_format=elf
1302	>	;;
1303	>	*"Mach-O"*)
1304	>	ac_cv_object_format=mach
1305	>	;;
1306	>	*)
1307	>	ac_cv_object_format=unknown
1308		;;
1309		esac
1310		fi
1311		rm -rf conftest*
1312		])
1313	<	ELF_OBJECTS=$ac_cv_elf_objects
1313	>
1314	>	dnl Add -fno-strict-aliasing for slirp sources
1315	>	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1316	>	SAVED_CFLAGS="$CFLAGS"
1317	>	CFLAGS="$CFLAGS -fno-strict-aliasing"
1318	>	AC_CACHE_CHECK([whether the compiler supports -fno-strict-aliasing],
1319	>	ac_cv_gcc_no_strict_aliasing, [
1320	>	AC_TRY_COMPILE([],[],
1321	>	[ac_cv_gcc_no_strict_aliasing=yes; AC_SUBST(SLIRP_CFLAGS, "-fno-strict-aliasing")],
1322	>	[ac_cv_gcc_no_strict_aliasing=no])
1323	>	])
1324	>	CFLAGS="$SAVED_CFLAGS"
1325	>	fi
1326	>
1327	>	dnl Add -mdynamic-no-pic for MacOS X (XXX icc10 will support MacOS X)
1328	>	if [[ "x$HAVE_GCC30" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1329	>	SAVED_CFLAGS="$CFLAGS"
1330	>	CFLAGS="$CFLAGS -mdynamic-no-pic"
1331	>	AC_CACHE_CHECK([whether the compiler supports -mdynamic-no-pic],
1332	>	ac_cv_gcc_mdynamic_no_pic, [
1333	>	AC_TRY_COMPILE([],[],[ac_cv_gcc_mdynamic_no_pic=yes],[ac_cv_gcc_mdynamic_no_pic=no])
1334	>	])
1335	>	if [[ "x$ac_cv_gcc_mdynamic_no_pic" = "xyes" ]]; then
1336	>	CXXFLAGS="$CXXFLAGS -mdynamic-no-pic"
1337	>	else
1338	>	CFLAGS="$SAVED_CFLAGS"
1339	>	fi
1340	>	fi
1341
1342		dnl CPU emulator sources
1343		if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1344		CPUSRCS="\
1345	+	../kpx_cpu/src/mathlib/ieeefp.cpp \
1346	+	../kpx_cpu/src/mathlib/mathlib.cpp \
1347		../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \
1348		../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \
1349		../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \
#	Line 820 | Line 1354 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1354		if [[ "x$WANT_JIT" = "xyes" ]]; then
1355		AC_CACHE_CHECK([whether dyngen can be used],
1356		ac_cv_use_dyngen, [
1357	<	case $host_cpu:$ELF_OBJECTS in
1358	<	powerpc:yes)
1357	>	case $host_cpu:$ac_cv_object_format in
1358	>	powerpc:elf)
1359	>	ac_cv_use_dyngen=yes
1360	>	;;
1361	>	x86_64:elf)
1362	>	ac_cv_use_dyngen=yes
1363	>	;;
1364	>	i?86:elf)
1365	>	ac_cv_use_dyngen=yes
1366	>	;;
1367	>	mips:elf)
1368		ac_cv_use_dyngen=yes
1369		;;
1370	<	x86_64:yes)
1370	>	powerpc:mach)
1371		ac_cv_use_dyngen=yes
1372		;;
1373	<	i?86:yes)
1373	>	i?86:mach)
1374		ac_cv_use_dyngen=yes
1375		;;
1376		*:*)
#	Line 839 | Line 1382 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1382		if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1383		DYNGEN_CC=$CXX
1384		else
1385	<	for p in /usr/bin /usr/local/bin; do
1385	>	for p in /usr/bin /usr/local/bin /usr/freeware/bin; do
1386		gxx="$p/g++"
1387		if [[ -x "$gxx" ]]; then
1388		DYNGEN_CC="$gxx"
#	Line 847 | Line 1390 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1390		done
1391		fi
1392		fi
1393	<	if [[ -z "$DYNGEN_CC" ]] || ! { echo '#include <limits>' | $DYNGEN_CC -xc++ -c -o /dev/null - >& /dev/null; }; then
1393	>	if [[ -z "$DYNGEN_CC" ]]; then
1394		ac_cv_use_dyngen=no
1395		fi
1396		])
1397		if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then
1398		case $host_cpu in
1399		i?86)
1400	<	DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2"
858	<	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
859	<	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
860	<	else
861	<	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
862	<	fi
863	<	saved_CPPFLAGS=$CPPFLAGS
864	<	CPPFLAGS="$CPPFLAGS -mmmx"
865	<	AC_CHECK_HEADERS(mmintrin.h,  [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -mmmx"])
866	<	CPPFLAGS="$CPPFLAGS -msse"
867	<	AC_CHECK_HEADERS(xmmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse"])
868	<	CPPFLAGS="$CPPFLAGS -msse2"
869	<	AC_CHECK_HEADERS(emmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse2"])
870	<	CPPFLAGS=$saved_CPPFLAGS
1400	>	DYNGEN_OP_FLAGS="-fomit-frame-pointer"
1401		;;
1402	<	x86_64)
1403	<	AC_CHECK_HEADERS(mmintrin.h xmmintrin.h emmintrin.h)
1402	>	mips)
1403	>	DYNGEN_OP_FLAGS="-fno-delayed-branch -mno-abicalls"
1404	>	;;
1405	>	powerpc)
1406	>	if [[ "x$ac_cv_object_format" = "xmach" ]]; then
1407	>	DYNGEN_OP_FLAGS="-mdynamic-no-pic"
1408	>	fi
1409		;;
1410		esac
1411	<	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000"
1412	<	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1411	>	have_dyngen_gcc3=no
1412	>	case "x`$DYNGEN_CC -dumpversion`" in
1413	>	x[12].*) ;;
1414	>	x*) have_dyngen_gcc3=yes ;;
1415	>	esac
1416	>	if [[ "x$have_dyngen_gcc3" = "xyes" ]]; then
1417	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-align-functions"
1418	>	else
1419	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
1420	>	fi
1421	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-functions -finline-limit=10000 -fno-exceptions -g0"
1422	>	if [[ "x$have_dyngen_gcc3" = "xyes" ]]; then
1423		DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls"
1424		fi
1425	+	if [[ "x$DYNGEN_CC" != "x$CXX" ]]; then
1426	+	DYNGEN_CFLAGS="-O2 $CFLAGS"
1427	+	DYNGEN_CXXFLAGS="-O2 $CXXFLAGS"
1428	+	else
1429	+	DYNGEN_CFLAGS="\$(CFLAGS)"
1430	+	DYNGEN_CXXFLAGS="\$(CXXFLAGS)"
1431	+	fi
1432		else
1433		WANT_JIT=no
1434		fi
#	Line 899 | Line 1451 | if [[ "x$ac_cv_use_dyngen" = "xyes" ]];
1451		AC_CACHE_CHECK([whether static data regions are executable],
1452		ac_cv_have_static_data_exec, [
1453		AC_TRY_RUN([int main(void) {
1454	<	#if defined(__powerpc__)
1454	>	#if defined(__powerpc__) || defined(__ppc__)
1455		static unsigned int p[8] = {0x4e800020,};
1456		asm volatile("dcbst 0,%0" : : "r" (p) : "memory");
1457		asm volatile("sync" : : : "memory");
#	Line 915 | Line 1467 | if [[ "x$ac_cv_use_dyngen" = "xyes" ]];
1467		ac_cv_have_static_data_exec=no
1468		)
1469		])
1470	+	else
1471	+	ac_cv_use_dyngen=no
1472		fi
1473		AC_TRANSLATE_DEFINE(HAVE_STATIC_DATA_EXEC, "$ac_cv_have_static_data_exec",
1474		[Define if your system marks static data pages as executable.])
#	Line 923 | Line 1477 | if [[ "x$WANT_JIT" = "xyes" ]]; then
1477		CPPFLAGS="$CPPFLAGS -DUSE_JIT"
1478		fi
1479
1480	+	dnl Higher level optimizations with MIPSPro compilers are possible
1481	+	if [[ "x$HAVE_IPA" = "xyes" ]]; then
1482	+	CFLAGS="`echo $CFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA"
1483	+	CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA"
1484	+	CXXFLAGS="-LANG:std $CXXFLAGS"
1485	+	LDFLAGS="$LDFLAGS -O3 -OPT:Olimit=0 -IPA"
1486	+	fi
1487	+
1488	+	dnl Check for linker script support
1489	+	case $target_os:$target_cpu in
1490	+	linux*:i?86)    LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1491	+	linux*:x86_64)  LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-x86_64.ld";;
1492	+	linux*:powerpc) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-ppc.ld";;
1493	+	netbsd*:i?86)   LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1494	+	freebsd*:i?86)  LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/freebsd-i386.ld";;
1495	+	darwin*:*)      LINKER_SCRIPT_FLAGS="-Wl,-seg1addr,0x78048000";;
1496	+	esac
1497	+	if [[ -n "$LINKER_SCRIPT_FLAGS" ]]; then
1498	+	AC_CACHE_CHECK([whether linker script is usable],
1499	+	ac_cv_linker_script_works, [
1500	+	AC_LANG_SAVE
1501	+	AC_LANG_CPLUSPLUS
1502	+	saved_LDFLAGS="$LDFLAGS"
1503	+	LDFLAGS="$LDFLAGS $LINKER_SCRIPT_FLAGS"
1504	+	AC_TRY_RUN(
1505	+	[int main() {if ((char *)&main < (char *)0x70000000) return 1;}],
1506	+	[ac_cv_linker_script_works=yes],
1507	+	[ac_cv_linker_script_works=no],
1508	+	dnl When cross-compiling, assume it works
1509	+	[ac_cv_linker_script_works="guessing yes"]
1510	+	)
1511	+	AC_LANG_RESTORE
1512	+	if [[ "$ac_cv_linker_script_works" = "no" ]]; then
1513	+	LDFLAGS="$saved_LDFLAGS"
1514	+	LINKER_SCRIPT_FLAGS=""
1515	+	fi
1516	+	])
1517	+	fi
1518	+	AC_TRANSLATE_DEFINE(HAVE_LINKER_SCRIPT, "$ac_cv_linker_script_works",
1519	+	[Define if there is a linker script to relocate the executable above 0x70000000.])
1520	+
1521		dnl Generate Makefile.
1522	+	AC_SUBST(PERL)
1523	+	AC_SUBST(USE_DYNGEN, [$ac_cv_use_dyngen])
1524		AC_SUBST(DYNGENSRCS)
1525		AC_SUBST(DYNGEN_CC)
1526	+	AC_SUBST(DYNGEN_CFLAGS)
1527	+	AC_SUBST(DYNGEN_CXXFLAGS)
1528		AC_SUBST(DYNGEN_OP_FLAGS)
1529		AC_SUBST(SYSSRCS)
1530		AC_SUBST(CPUSRCS)
#	Line 941 | Line 1540 | echo
1540		echo SheepShaver configuration summary:
1541		echo
1542		echo SDL support ...................... : $SDL_SUPPORT
1543	+	echo FBDev DGA support ................ : $WANT_FBDEV_DGA
1544		echo XFree86 DGA support .............. : $WANT_XF86_DGA
1545		echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
1546		echo Using PowerPC emulator ........... : $EMULATED_PPC
#	Line 949 | Line 1549 | echo Enable video on SEGV signals .....
1549		echo ESD sound support ................ : $WANT_ESD
1550		echo GTK user interface ............... : $WANT_GTK
1551		echo mon debugger support ............. : $WANT_MON
1552	+	echo Addressing mode .................. : $WANT_ADDRESSING_MODE
1553		echo Bad memory access recovery type .. : $sigsegv_recovery
1554		echo
1555		echo "Configuration done. Now type \"make\"."

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