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

Comparing SheepShaver/src/Unix/configure.in (file contents):
Revision 1.6 by gbeauche, 2003-09-07T14:21:20Z vs.
Revision 1.25 by gbeauche, 2004-06-22T22:41:44Z

#	Line 5 | Line 5 | AC_INIT(main_unix.cpp)
5		AC_PREREQ(2.12)
6		AC_CONFIG_HEADER(config.h)
7
8	+	dnl Canonical system information.
9	+	AC_CANONICAL_HOST
10	+	AC_CANONICAL_TARGET
11	+
12		dnl Options.
13	+	AC_ARG_ENABLE(jit,          [  --enable-jit            enable JIT compiler [default=yes]], [WANT_JIT=$enableval], [WANT_JIT=yes])
14		AC_ARG_ENABLE(ppc-emulator, [  --enable-ppc-emulator   use the selected PowerPC emulator [default=auto]], [WANT_EMULATED_PPC=$enableval], [WANT_EMULATED_PPC=auto])
15		AC_ARG_ENABLE(xf86-dga,     [  --enable-xf86-dga       use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes])
16	<	AC_ARG_ENABLE(xf86-vidmode, [  --enable-xf86-vidmode   use the XFree86 VidMode extension [default=yes]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=yes])
16	>	AC_ARG_ENABLE(xf86-vidmode, [  --enable-xf86-vidmode   use the XFree86 VidMode extension [default=no]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=no])
17		AC_ARG_ENABLE(vosf,         [  --enable-vosf           enable video on SEGV signals [default=yes]], [WANT_VOSF=$enableval], [WANT_VOSF=yes])
18		AC_ARG_WITH(esd,            [  --with-esd              support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes])
19		AC_ARG_WITH(gtk,            [  --with-gtk              use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes])
20		AC_ARG_WITH(mon,            [  --with-mon              use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes])
21	+	AC_ARG_WITH(dgcc,           [  --with-dgcc=COMPILER    use C++ COMPILER to compile synthetic opcodes], [DYNGEN_CC=$withval])
22
23		dnl Checks for programs.
24		AC_PROG_CC
#	Line 29 | Line 35 | AC_EGREP_CPP(yes,
35		#ifdef __powerpc__
36		yes
37		#endif
38	+	#ifdef __ppc__
39	+	yes
40	+	#endif
41		], [AC_MSG_RESULT(yes); HAVE_PPC=yes], AC_MSG_RESULT(no))
42
43		dnl We use native CPU if possible.
#	Line 43 | Line 52 | fi
52
53		dnl We use mon if possible.
54		MONSRCS=
55	+	case "x$WANT_MON" in
56	+	x/* | x.*)
57	+	mon_srcdir=$WANT_MON
58	+	WANT_MON=yes
59	+	;;
60	+	xyes)
61	+	mon_srcdir=../../../mon/src
62	+	;;
63	+	esac
64		if [[ "x$WANT_MON" = "xyes" ]]; then
65		AC_MSG_CHECKING(for mon)
48	–	mon_srcdir=../../../mon/src
66		if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
67		AC_MSG_RESULT(yes)
68		AC_DEFINE(ENABLE_MON)
#	Line 80 | Line 97 | LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -l
97
98		dnl We need pthreads on non-PowerPC systems. Try libpthread first, then libc_r (FreeBSD), then PTL.
99		HAVE_PTHREADS=yes
100	<	if [[ "x$EMULATED_PPC" = "xyes" ]]; then
100	>	case $EMULATED_PPC:$target_os in
101	>	no:linux*)
102	>	dnl We do have our own pthread_cancel() implementation
103	>	AC_DEFINE(HAVE_PTHREAD_CANCEL, 1, [Define if you have the pthread_cancel function.])
104	>	;;
105	>	*:*)
106		AC_CHECK_LIB(pthread, pthread_create, , [
107		AC_CHECK_LIB(c_r, pthread_create, , [
108		AC_CHECK_LIB(PTL, pthread_create, , [
#	Line 89 | Line 111 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
111		])
112		])
113		AC_CHECK_FUNCS(pthread_cancel)
114	<	fi
115	<
116	<	dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
117	<	SEMSRC=
118	<	AC_CHECK_FUNCS(sem_init, , [
114	>	AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
115	>	AC_CHECK_FUNCS(pthread_mutexattr_settype)
116	>	AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
117	>	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
118	>	AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
119	>	fi
120	>	dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
121	>	SEMSRC=
122	>	AC_CHECK_FUNCS(sem_init, , [
123		if test "x$HAVE_PTHREADS" = "xyes"; then
124		SEMSRC=posix_sem.cpp
125		fi
126	<	])
126	>	])
127	>	;;
128	>	esac
129
130		dnl We use XFree86 DGA if possible.
131		if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
#	Line 122 | Line 150 | if [[ "x$WANT_XF86_VIDMODE" = "xyes" ]];
150		fi
151
152		dnl We use GTK+ if possible.
153	<	UISRCS=
153	>	UISRCS=../dummy/prefs_editor_dummy.cpp
154		if [[ "x$WANT_GTK" = "xyes" ]]; then
155		AM_PATH_GTK(1.2.0, [
156		AC_DEFINE(ENABLE_GTK)
#	Line 155 | Line 183 | AC_HEADER_SYS_WAIT
183		AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h)
184		AC_CHECK_HEADERS(sys/time.h sys/times.h)
185		AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h)
186	+	AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h)
187
188		dnl Checks for typedefs, structures, and compiler characteristics.
189		AC_C_BIGENDIAN
#	Line 174 | Line 203 | AC_TYPE_SIGNAL
203		AC_HEADER_TIME
204		AC_STRUCT_TM
205
206	+	dnl Check whether struct sigaction has sa_restorer member.
207	+	AC_CACHE_CHECK([whether struct sigaction has sa_restorer],
208	+	ac_cv_signal_sa_restorer, [
209	+	AC_TRY_COMPILE([
210	+	#include <signal.h>
211	+	], [struct sigaction sa; sa.sa_restorer = 0;],
212	+	ac_cv_signal_sa_restorer=yes, ac_cv_signal_sa_restorer=no,
213	+	dnl When cross-compiling, do not assume anything.
214	+	ac_cv_signal_sa_restorer=no
215	+	)
216	+	])
217	+	if [[ "x$ac_cv_signal_sa_restorer" = "xyes" ]]; then
218	+	AC_DEFINE(HAVE_SIGNAL_SA_RESTORER)
219	+	fi
220	+
221		dnl Checks for library functions.
222		AC_CHECK_FUNCS(strdup cfmakeraw)
223	<	AC_CHECK_FUNCS(nanosleep clock_gettime timer_create)
223	>	AC_CHECK_FUNCS(nanosleep)
224		AC_CHECK_FUNCS(sigaction signal)
225		AC_CHECK_FUNCS(mmap mprotect munmap)
226		AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
227	+	AC_CHECK_FUNCS(posix_memalign memalign valloc)
228	+
229	+	dnl Darwin seems to define mach_task_self() instead of task_self().
230	+	AC_CHECK_FUNCS(mach_task_self task_self)
231	+
232	+	dnl We need clock_gettime() for better performance but it may drag
233	+	dnl libpthread in, which we don't want for native ppc mode
234	+	case $EMULATED_PPC:$target_os in
235	+	no:linux*)
236	+	;;
237	+	*:*)
238	+	AC_SEARCH_LIBS(clock_gettime, [rt posix4])
239	+	AC_CHECK_FUNCS(clock_gettime)
240	+	;;
241	+	esac
242
243		dnl Select system-dependant sources.
244	<	if [[ "x$EMULATED_PPC" = "xno" ]]; then
245	<	SYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c Linux/asm_linux.S"
246	<	else
247	<	SYSSRCS="../kpx_cpu/sheepshaver_glue.cpp \
248	<	../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \
249	<	../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \
250	<	../kpx_cpu/src/cpu/ppc/ppc-execute.cpp"
251	<	CPPFLAGS="$CPPFLAGS -I../kpx_cpu -I../kpx_cpu/include -I../kpx_cpu/src -I../kpx_cpu/src/cpu"
252	<	fi
253	<	SYSSRCS="$SYSSRCS $SEMSRCS $UISRCS $MONSRCS"
244	>	SERIALSRC=serial_unix.cpp
245	>	ETHERSRC=../dummy/ether_dummy.cpp
246	>	SCSISRC=../dummy/scsi_dummy.cpp
247	>	AUDIOSRC=../dummy/audio_dummy.cpp
248	>	EXTRASYSSRCS=
249	>	case "$target_os" in
250	>	linux*)
251	>	ETHERSRC=Linux/ether_linux.cpp
252	>	AUDIOSRC=audio_oss_esd.cpp
253	>	SCSISRC=Linux/scsi_linux.cpp
254	>	if [[ "x$EMULATED_PPC" = "xno" ]]; then
255	>	EXTRASYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c Linux/asm_linux.S"
256	>	fi
257	>	;;
258	>	darwin*)
259	>	if [[ "x$EMULATED_PPC" = "xno" ]]; then
260	>	EXTRASYSSRCS="Darwin/paranoia.cpp Linux/asm_linux.S"
261	>	fi
262	>	;;
263	>	esac
264	>	SYSSRCS="$SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
265
266		dnl Define a macro that translates a yesno-variable into a C macro definition
267		dnl to be put into the config.h file
#	Line 204 | Line 274 | AC_DEFUN(AC_TRANSLATE_DEFINE, [
274		fi
275		])
276
277	+	dnl Check that the host supports TUN/TAP devices
278	+	AC_CACHE_CHECK([whether TUN/TAP is supported],
279	+	ac_cv_tun_tap_support, [
280	+	AC_TRY_COMPILE([
281	+	#if defined(HAVE_LINUX_IF_H) && defined(HAVE_LINUX_IF_TUN_H)
282	+	#include <linux/if.h>
283	+	#include <linux/if_tun.h>
284	+	#endif
285	+	#if defined(HAVE_NET_IF_H) && defined(HAVE_NET_IF_TUN_H)
286	+	#include <net/if.h>
287	+	#include <net/if_tun.h>
288	+	#endif
289	+	], [
290	+	struct ifreq ifr;
291	+	memset(&ifr, 0, sizeof(ifr));
292	+	ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
293	+	],
294	+	ac_cv_tun_tap_support=yes, ac_cv_tun_tap_support=no
295	+	)
296	+	])
297	+	AC_TRANSLATE_DEFINE(ENABLE_TUNTAP, "$ac_cv_tun_tap_support",
298	+	[Define if your system supports TUN/TAP devices.])
299	+
300		dnl Various checks if the system supports vm_allocate() and the like functions.
301		have_mach_vm=no
302		if [[ "x$ac_cv_func_vm_allocate" = "xyes" -a "x$ac_cv_func_vm_deallocate" = "xyes" -a \
#	Line 350 | Line 443 | AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_
443
444		fi dnl HAVE_MMAP_VM
445
446	<	dnl Check if we can mmap 0x2000 bytes from 0x0000
447	<	AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x2000],
446	>	dnl Check if we can modify the __PAGEZERO segment for use as Low Memory
447	>	AC_CACHE_CHECK([whether __PAGEZERO can be Low Memory area 0x0000-0x3000],
448	>	ac_cv_pagezero_hack, [
449	>	ac_cv_pagezero_hack=no
450	>	if AC_TRY_COMMAND([Darwin/testlmem.sh 0x3000]); then
451	>	ac_cv_pagezero_hack=yes
452	>	dnl might as well skip the test for mmap-able low memory
453	>	ac_cv_can_map_lm=no
454	>	fi
455	>	])
456	>	AC_TRANSLATE_DEFINE(PAGEZERO_HACK, "$ac_cv_pagezero_hack",
457	>	[Define if the __PAGEZERO Mach-O Low Memory Globals hack works on this system.])
458	>
459	>	dnl Check if we can mmap 0x3000 bytes from 0x0000
460	>	AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x3000],
461		ac_cv_can_map_lm, [
462		AC_LANG_SAVE
463		AC_LANG_CPLUSPLUS
#	Line 434 | Line 540 | AC_CACHE_CHECK([whether sigaction handle
540		AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall",
541		[Define if your system requires sigactions to be reinstalled.])
542
543	<	dnl Check if extended signals are supported.
544	<	AC_CACHE_CHECK([whether your system supports extended signal handlers],
545	<	ac_cv_have_extended_signals, [
543	>	dnl Check if Mach exceptions supported.
544	>	AC_CACHE_CHECK([whether your system supports Mach exceptions],
545	>	ac_cv_have_mach_exceptions, [
546		AC_LANG_SAVE
547		AC_LANG_CPLUSPLUS
548		AC_TRY_RUN([
549	<	#define HAVE_SIGINFO_T 1
549	>	#define HAVE_MACH_EXCEPTIONS 1
550		#define CONFIGURE_TEST_SIGSEGV_RECOVERY
551		#include "vm_alloc.cpp"
552		#include "sigsegv.cpp"
553	<	], ac_cv_have_extended_signals=yes, ac_cv_have_extended_signals=no,
553	>	],
554	>	ac_cv_have_mach_exceptions=yes,
555	>	ac_cv_have_mach_exceptions=no,
556		dnl When cross-compiling, do not assume anything.
557	<	ac_cv_have_extended_signals=no
557	>	ac_cv_have_mach_exceptions=no
558		)
559		AC_LANG_RESTORE
560		]
561		)
562	<	AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals",
563	<	[Define if your system support extended signals.])
562	>	if [[ "$ac_cv_have_mach_exceptions" = "yes" ]]; then
563	>	sigsegv_recovery=mach
564	>	fi
565	>	AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions",
566	>	[Define if your system supports Mach exceptions.])
567	>
568	>	dnl Otherwise, check if extended signals are supported.
569	>	if [[ -z "$sigsegv_recovery" ]]; then
570	>	AC_CACHE_CHECK([whether your system supports extended signal handlers],
571	>	ac_cv_have_extended_signals, [
572	>	AC_LANG_SAVE
573	>	AC_LANG_CPLUSPLUS
574	>	AC_TRY_RUN([
575	>	#define HAVE_SIGINFO_T 1
576	>	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
577	>	#include "vm_alloc.cpp"
578	>	#include "sigsegv.cpp"
579	>	],
580	>	ac_cv_have_extended_signals=yes,
581	>	ac_cv_have_extended_signals=no,
582	>	dnl When cross-compiling, do not assume anything.
583	>	ac_cv_have_extended_signals=no
584	>	)
585	>	AC_LANG_RESTORE
586	>	]
587	>	)
588	>	if [[ "$ac_cv_have_extended_signals" = "yes" ]]; then
589	>	sigsegv_recovery=siginfo
590	>	fi
591	>	AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals",
592	>	[Define if your system support extended signals.])
593	>	fi
594
595		dnl Otherwise, check for subterfuges.
596	<	if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
596	>	if [[ -z "$sigsegv_recovery" ]]; then
597		AC_CACHE_CHECK([whether we then have a subterfuge for your system],
598		ac_cv_have_sigcontext_hack, [
599		AC_LANG_SAVE
#	Line 465 | Line 603 | if [[ "x$ac_cv_have_extended_signals" =
603		#define CONFIGURE_TEST_SIGSEGV_RECOVERY
604		#include "vm_alloc.cpp"
605		#include "sigsegv.cpp"
606	<	], ac_cv_have_sigcontext_hack=yes, ac_cv_have_sigcontext_hack=no,
606	>	],
607	>	ac_cv_have_sigcontext_hack=yes,
608	>	ac_cv_have_sigcontext_hack=no,
609		dnl When cross-compiling, do not assume anything.
610		ac_cv_have_sigcontext_hack=no
611		)
612		AC_LANG_RESTORE
613		])
614	+	if [[ "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
615	+	sigsegv_recovery=sigcontext
616	+	fi
617		AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, "$ac_cv_have_sigcontext_hack",
618		[Define if we know a hack to replace siginfo_t->si_addr member.])
619		fi
#	Line 497 | Line 640 | AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_IN
640
641		dnl Can we do Video on SEGV Signals ?
642		CAN_VOSF=no
643	<	if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
643	>	if [[ -n "$sigsegv_recovery" ]]; then
644		CAN_VOSF=yes
645	+	case $target_os in
646	+	darwin*)
647	+	dnl Signal handlers in darwin are way too slow since the whole
648	+	dnl machine state (GPRs, FPRs, VRs) is forcibly saved.
649	+	dnl In other words, VOSF is slower than static window refreshes.
650	+	CAN_VOSF=no
651	+	;;
652	+	esac
653		fi
654
655		dnl Enable VOSF screen updates with this feature is requested and feasible
#	Line 508 | Line 659 | else
659		WANT_VOSF=no
660		fi
661
662	+	dnl Platform specific binary postprocessor
663	+	BLESS=/bin/true
664	+	if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then
665	+	BLESS=Darwin/lowmem
666	+	LDFLAGS="$LDFLAGS -pagezero_size 0x3000"
667	+	fi
668	+
669	+	dnl Check for GCC 2.7 or higher.
670	+	HAVE_GCC27=no
671	+	AC_MSG_CHECKING(for GCC 2.7 or higher)
672	+	AC_EGREP_CPP(xyes,
673	+	[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5
674	+	xyes
675	+	#endif
676	+	], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
677	+
678	+	dnl Check for GCC 3.0 or higher.
679	+	HAVE_GCC30=no
680	+	AC_MSG_CHECKING(for GCC 3.0 or higher)
681	+	AC_EGREP_CPP(xyes,
682	+	[#if __GNUC__ >= 3
683	+	xyes
684	+	#endif
685	+	], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
686	+
687	+	dnl Check for ICC.
688	+	AC_MSG_CHECKING(for ICC)
689	+	HAVE_ICC=no
690	+	if $CXX -V -v 2>&1 | grep -q "Intel(R) C++ Compiler"; then
691	+	HAVE_ICC=yes
692	+	fi
693	+	AC_MSG_RESULT($HAVE_ICC)
694	+
695	+	# Test if the compiler can generate ELF objects
696	+	AC_CACHE_CHECK([whether the compiler can generate ELF objects],
697	+	ac_cv_elf_objects, [
698	+	echo 'int i;' > conftest.$ac_ext
699	+	ac_cv_elf_objects=no
700	+	if AC_TRY_EVAL(ac_compile); then
701	+	case `/usr/bin/file conftest.$ac_objext` in
702	+	*"ELF"*)
703	+	ac_cv_elf_objects=yes
704	+	;;
705	+	esac
706	+	fi
707	+	rm -rf conftest*
708	+	])
709	+	ELF_OBJECTS=$ac_cv_elf_objects
710	+
711	+	dnl CPU emulator sources
712	+	if [[ "x$EMULATED_PPC" = "xyes" ]]; then
713	+	CPUSRCS="\
714	+	../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \
715	+	../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \
716	+	../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \
717	+	../kpx_cpu/src/cpu/ppc/ppc-translate.cpp"
718	+	CPPFLAGS="$CPPFLAGS -I../kpx_cpu/include -I../kpx_cpu/src"
719	+
720	+	dnl Enable JIT compiler, if possible
721	+	if [[ "x$WANT_JIT" = "xyes" ]]; then
722	+	AC_CACHE_CHECK([whether dyngen can be used],
723	+	ac_cv_use_dyngen, [
724	+	case $host_cpu:$ELF_OBJECTS in
725	+	powerpc:yes)
726	+	ac_cv_use_dyngen=yes
727	+	;;
728	+	x86_64:yes)
729	+	ac_cv_use_dyngen=yes
730	+	;;
731	+	i?86:yes)
732	+	ac_cv_use_dyngen=yes
733	+	;;
734	+	*:*)
735	+	ac_cv_use_dyngen=no
736	+	;;
737	+	esac
738	+	dnl Check for a suitable synthetic opcodes compiler (icc is faking itself as gcc 3.2.2)
739	+	if [[ -z "$DYNGEN_CC" ]]; then
740	+	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
741	+	DYNGEN_CC=$CXX
742	+	else
743	+	for p in /usr/bin /usr/local/bin; do
744	+	gxx="$p/g++"
745	+	if [[ -x "$gxx" ]]; then
746	+	DYNGEN_CC="$gxx"
747	+	fi
748	+	done
749	+	fi
750	+	fi
751	+	if [[ -z "$DYNGEN_CC" ]] || ! { echo '#include <limits>' | $DYNGEN_CC -xc++ -c -o /dev/null - >& /dev/null; }; then
752	+	ac_cv_use_dyngen=no
753	+	fi
754	+	])
755	+	if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then
756	+	case $host_cpu in
757	+	i?86)
758	+	DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2"
759	+	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
760	+	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
761	+	else
762	+	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
763	+	fi
764	+	saved_CPPFLAGS=$CPPFLAGS
765	+	CPPFLAGS="$CPPFLAGS -mmmx"
766	+	AC_CHECK_HEADERS(mmintrin.h,  [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -mmmx"])
767	+	CPPFLAGS="$CPPFLAGS -msse"
768	+	AC_CHECK_HEADERS(xmmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse"])
769	+	CPPFLAGS="$CPPFLAGS -msse2"
770	+	AC_CHECK_HEADERS(emmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse2"])
771	+	CPPFLAGS=$saved_CPPFLAGS
772	+	;;
773	+	x86_64)
774	+	AC_CHECK_HEADERS(mmintrin.h xmmintrin.h emmintrin.h)
775	+	;;
776	+	esac
777	+	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000"
778	+	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
779	+	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls"
780	+	fi
781	+	else
782	+	WANT_JIT=no
783	+	fi
784	+	AC_TRANSLATE_DEFINE(ENABLE_DYNGEN, $ac_cv_use_dyngen, [Define to enable dyngen engine])
785	+	if [[ "x$WANT_JIT" = "xyes" ]]; then
786	+	DYNGENSRCS="\
787	+	../kpx_cpu/src/cpu/jit/dyngen.c \
788	+	../kpx_cpu/src/cpu/jit/cxxdemangle.cpp"
789	+	CPUSRCS="\
790	+	../kpx_cpu/src/cpu/jit/jit-cache.cpp \
791	+	../kpx_cpu/src/cpu/jit/basic-dyngen.cpp \
792	+	../kpx_cpu/src/cpu/ppc/ppc-dyngen.cpp $CPUSRCS"
793	+	fi
794	+	fi
795	+	CPUSRCS="$CPUSRCS ../kpx_cpu/sheepshaver_glue.cpp"
796	+	else
797	+	WANT_JIT=no
798	+	fi
799	+	if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then
800	+	AC_CACHE_CHECK([whether static data regions are executable],
801	+	ac_cv_have_static_data_exec, [
802	+	AC_TRY_RUN([int main(void) {
803	+	#if defined(__powerpc__)
804	+	static unsigned int p[8] = {0x4e800020,};
805	+	asm volatile("dcbst 0,%0" : : "r" (p) : "memory");
806	+	asm volatile("sync" : : : "memory");
807	+	asm volatile("icbi 0,%0" : : "r" (p) : "memory");
808	+	asm volatile("sync" : : : "memory");
809	+	asm volatile("isync" : : : "memory");
810	+	((void (*)(void))p)();
811	+	return 0;
812	+	#endif
813	+	return 1;
814	+	}], ac_cv_have_static_data_exec=yes, ac_cv_have_static_data_exec=no,
815	+	dnl When cross-compiling, do not assume anything.
816	+	ac_cv_have_static_data_exec=no
817	+	)
818	+	])
819	+	fi
820	+	AC_TRANSLATE_DEFINE(HAVE_STATIC_DATA_EXEC, "$ac_cv_have_static_data_exec",
821	+	[Define if your system marks static data pages as executable.])
822	+
823	+	if [[ "x$WANT_JIT" = "xyes" ]]; then
824	+	CPPFLAGS="$CPPFLAGS -DUSE_JIT"
825	+	fi
826	+
827		dnl Generate Makefile.
828	+	AC_SUBST(DYNGENSRCS)
829	+	AC_SUBST(DYNGEN_CC)
830	+	AC_SUBST(DYNGEN_OP_FLAGS)
831		AC_SUBST(SYSSRCS)
832	+	AC_SUBST(CPUSRCS)
833	+	AC_SUBST(BLESS)
834		AC_OUTPUT(Makefile)
835
836		dnl Print summary.
#	Line 519 | Line 840 | echo
840		echo XFree86 DGA support .............. : $WANT_XF86_DGA
841		echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
842		echo Using PowerPC emulator ........... : $EMULATED_PPC
843	+	echo Enable JIT compiler .............. : $WANT_JIT
844		echo Enable video on SEGV signals ..... : $WANT_VOSF
845		echo ESD sound support ................ : $WANT_ESD
846		echo GTK user interface ............... : $WANT_GTK
847		echo mon debugger support ............. : $WANT_MON
848	+	echo Bad memory access recovery type .. : $sigsegv_recovery
849		echo
850		echo "Configuration done. Now type \"make\"."

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