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

Comparing SheepShaver/src/Unix/configure.in (file contents):
Revision 1.4 by gbeauche, 2003-05-13T16:59:57Z vs.
Revision 1.17 by gbeauche, 2004-01-18T22:12:24Z

#	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])
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])
#	Line 27 | Line 34 | AC_EGREP_CPP(yes,
34		#ifdef __powerpc__
35		yes
36		#endif
37	+	#ifdef __ppc__
38	+	yes
39	+	#endif
40		], [AC_MSG_RESULT(yes); HAVE_PPC=yes], AC_MSG_RESULT(no))
41
42	+	dnl We use native CPU if possible.
43	+	EMULATED_PPC=yes
44	+	case $WANT_EMULATED_PPC in
45	+	auto) [[ "x$HAVE_PPC" = "xyes" ]] && EMULATED_PPC=no;;
46	+	no)   EMULATED_PPC=no;;
47	+	esac
48	+	if [[ "x$EMULATED_PPC" = "xyes" ]]; then
49	+	AC_DEFINE(EMULATED_PPC)
50	+	fi
51	+
52		dnl We use mon if possible.
53		MONSRCS=
54	+	case "x$WANT_MON" in
55	+	x/* | x.*)
56	+	mon_srcdir=$WANT_MON
57	+	WANT_MON=yes
58	+	;;
59	+	xyes)
60	+	mon_srcdir=../../../mon/src
61	+	;;
62	+	esac
63		if [[ "x$WANT_MON" = "xyes" ]]; then
64		AC_MSG_CHECKING(for mon)
36	–	mon_srcdir=../../../mon/src
65		if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
66		AC_MSG_RESULT(yes)
67		AC_DEFINE(ENABLE_MON)
#	Line 68 | Line 96 | LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -l
96
97		dnl We need pthreads on non-PowerPC systems. Try libpthread first, then libc_r (FreeBSD), then PTL.
98		HAVE_PTHREADS=yes
99	<	if [[ "x$HAVE_PPC" = "xno" ]]; then
99	>	case $EMULATED_PPC:$target_os in
100	>	no:linux*)
101	>	dnl We do have our own pthread_cancel() implementation
102	>	AC_DEFINE(HAVE_PTHREAD_CANCEL, 1, [Define if you have the pthread_cancel function.])
103	>	;;
104	>	*:*)
105		AC_CHECK_LIB(pthread, pthread_create, , [
106		AC_CHECK_LIB(c_r, pthread_create, , [
107		AC_CHECK_LIB(PTL, pthread_create, , [
#	Line 77 | Line 110 | if [[ "x$HAVE_PPC" = "xno" ]]; then
110		])
111		])
112		AC_CHECK_FUNCS(pthread_cancel)
113	<	fi
114	<
115	<	dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
116	<	SEMSRC=
117	<	AC_CHECK_FUNCS(sem_init, , [
113	>	AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
114	>	AC_CHECK_FUNCS(pthread_mutexattr_settype)
115	>	AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
116	>	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
117	>	AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
118	>	fi
119	>	dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
120	>	SEMSRC=
121	>	AC_CHECK_FUNCS(sem_init, , [
122		if test "x$HAVE_PTHREADS" = "xyes"; then
123		SEMSRC=posix_sem.cpp
124		fi
125	<	])
125	>	])
126	>	;;
127	>	esac
128
129		dnl We use XFree86 DGA if possible.
130		if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
#	Line 110 | Line 149 | if [[ "x$WANT_XF86_VIDMODE" = "xyes" ]];
149		fi
150
151		dnl We use GTK+ if possible.
152	<	UISRCS=
152	>	UISRCS=../dummy/prefs_editor_dummy.cpp
153		if [[ "x$WANT_GTK" = "xyes" ]]; then
154		AM_PATH_GTK(1.2.0, [
155		AC_DEFINE(ENABLE_GTK)
#	Line 140 | Line 179 | fi
179		dnl Checks for header files.
180		AC_HEADER_STDC
181		AC_HEADER_SYS_WAIT
182	<	AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h sys/mman.h)
182	>	AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h)
183	>	AC_CHECK_HEADERS(sys/time.h sys/times.h)
184	>	AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h)
185
186		dnl Checks for typedefs, structures, and compiler characteristics.
187		AC_C_BIGENDIAN
#	Line 160 | Line 201 | AC_TYPE_SIGNAL
201		AC_HEADER_TIME
202		AC_STRUCT_TM
203
204	+	dnl Check whether struct sigaction has sa_restorer member.
205	+	AC_CACHE_CHECK([whether struct sigaction has sa_restorer],
206	+	ac_cv_signal_sa_restorer, [
207	+	AC_TRY_COMPILE([
208	+	#include <signal.h>
209	+	], [struct sigaction sa; sa.sa_restorer = 0;],
210	+	ac_cv_signal_sa_restorer=yes, ac_cv_signal_sa_restorer=no,
211	+	dnl When cross-compiling, do not assume anything.
212	+	ac_cv_signal_sa_restorer=no
213	+	)
214	+	])
215	+	if [[ "x$ac_cv_signal_sa_restorer" = "xyes" ]]; then
216	+	AC_DEFINE(HAVE_SIGNAL_SA_RESTORER)
217	+	fi
218	+
219		dnl Checks for library functions.
220		AC_CHECK_FUNCS(strdup cfmakeraw)
221	<	AC_CHECK_FUNCS(nanosleep clock_gettime timer_create)
221	>	AC_CHECK_FUNCS(nanosleep)
222		AC_CHECK_FUNCS(sigaction signal)
223		AC_CHECK_FUNCS(mmap mprotect munmap)
224		AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
225
226	+	dnl Darwin seems to define mach_task_self() instead of task_self().
227	+	AC_CHECK_FUNCS(mach_task_self task_self)
228	+
229	+	dnl We need clock_gettime() for better performance but it may drag
230	+	dnl libpthread in, which we don't want for native ppc mode
231	+	case $EMULATED_PPC:$target_os in
232	+	no:linux*)
233	+	;;
234	+	*:*)
235	+	AC_SEARCH_LIBS(clock_gettime, [rt posix4])
236	+	AC_CHECK_FUNCS(clock_gettime)
237	+	;;
238	+	esac
239	+
240		dnl Select system-dependant sources.
241	<	if [[ "x$HAVE_PPC" = "xyes" ]]; then
242	<	SYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c Linux/asm_linux.S"
243	<	else
244	<	SYSSRCS="../emul_ppc/emul_ppc.cpp"
245	<	fi
246	<	SYSSRCS="$SYSSRCS $SEMSRCS $UISRCS $MONSRCS"
241	>	SERIALSRC=serial_unix.cpp
242	>	ETHERSRC=../dummy/ether_dummy.cpp
243	>	SCSISRC=../dummy/scsi_dummy.cpp
244	>	AUDIOSRC=../dummy/audio_dummy.cpp
245	>	EXTRASYSSRCS=
246	>	case "$target_os" in
247	>	linux*)
248	>	ETHERSRC=Linux/ether_linux.cpp
249	>	AUDIOSRC=audio_oss_esd.cpp
250	>	SCSISRC=Linux/scsi_linux.cpp
251	>	if [[ "x$EMULATED_PPC" = "xno" ]]; then
252	>	EXTRASYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c Linux/asm_linux.S"
253	>	fi
254	>	;;
255	>	darwin*)
256	>	if [[ "x$EMULATED_PPC" = "xno" ]]; then
257	>	EXTRASYSSRCS="Darwin/paranoia.cpp Linux/asm_linux.S"
258	>	fi
259	>	;;
260	>	esac
261	>	SYSSRCS="$SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
262
263		dnl Define a macro that translates a yesno-variable into a C macro definition
264		dnl to be put into the config.h file
#	Line 332 | Line 417 | AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_
417
418		fi dnl HAVE_MMAP_VM
419
420	<	dnl Check if we can mmap 0x2000 bytes from 0x0000
421	<	AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x2000],
420	>	dnl Check if we can modify the __PAGEZERO segment for use as Low Memory
421	>	AC_CACHE_CHECK([whether __PAGEZERO can be Low Memory area 0x0000-0x3000],
422	>	ac_cv_pagezero_hack, [
423	>	ac_cv_pagezero_hack=no
424	>	if AC_TRY_COMMAND([Darwin/testlmem.sh 0x3000]); then
425	>	ac_cv_pagezero_hack=yes
426	>	dnl might as well skip the test for mmap-able low memory
427	>	ac_cv_can_map_lm=no
428	>	fi
429	>	])
430	>	AC_TRANSLATE_DEFINE(PAGEZERO_HACK, "$ac_cv_pagezero_hack",
431	>	[Define if the __PAGEZERO Mach-O Low Memory Globals hack works on this system.])
432	>
433	>	dnl Check if we can mmap 0x3000 bytes from 0x0000
434	>	AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x3000],
435		ac_cv_can_map_lm, [
436		AC_LANG_SAVE
437		AC_LANG_CPLUSPLUS
#	Line 416 | Line 514 | AC_CACHE_CHECK([whether sigaction handle
514		AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall",
515		[Define if your system requires sigactions to be reinstalled.])
516
517	<	dnl Check if extended signals are supported.
518	<	AC_CACHE_CHECK([whether your system supports extended signal handlers],
519	<	ac_cv_have_extended_signals, [
517	>	dnl Check if Mach exceptions supported.
518	>	AC_CACHE_CHECK([whether your system supports Mach exceptions],
519	>	ac_cv_have_mach_exceptions, [
520		AC_LANG_SAVE
521		AC_LANG_CPLUSPLUS
522		AC_TRY_RUN([
523	<	#define HAVE_SIGINFO_T 1
523	>	#define HAVE_MACH_EXCEPTIONS 1
524		#define CONFIGURE_TEST_SIGSEGV_RECOVERY
525		#include "vm_alloc.cpp"
526		#include "sigsegv.cpp"
527	<	], ac_cv_have_extended_signals=yes, ac_cv_have_extended_signals=no,
527	>	], [
528	>	sigsegv_recovery=mach
529	>	ac_cv_have_mach_exceptions=yes
530	>	],
531	>	ac_cv_have_mach_exceptions=no,
532		dnl When cross-compiling, do not assume anything.
533	<	ac_cv_have_extended_signals=no
533	>	ac_cv_have_mach_exceptions=no
534		)
535		AC_LANG_RESTORE
536		]
537		)
538	<	AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals",
539	<	[Define if your system support extended signals.])
538	>	AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions",
539	>	[Define if your system supports Mach exceptions.])
540	>
541	>	dnl Otherwise, check if extended signals are supported.
542	>	if [[ -z "$sigsegv_recovery" ]]; then
543	>	AC_CACHE_CHECK([whether your system supports extended signal handlers],
544	>	ac_cv_have_extended_signals, [
545	>	AC_LANG_SAVE
546	>	AC_LANG_CPLUSPLUS
547	>	AC_TRY_RUN([
548	>	#define HAVE_SIGINFO_T 1
549	>	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
550	>	#include "vm_alloc.cpp"
551	>	#include "sigsegv.cpp"
552	>	], [
553	>	sigsegv_recovery=siginfo
554	>	ac_cv_have_extended_signals=yes
555	>	],
556	>	ac_cv_have_extended_signals=no,
557	>	dnl When cross-compiling, do not assume anything.
558	>	ac_cv_have_extended_signals=no
559	>	)
560	>	AC_LANG_RESTORE
561	>	]
562	>	)
563	>	AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals",
564	>	[Define if your system support extended signals.])
565	>	fi
566
567		dnl Otherwise, check for subterfuges.
568	<	if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
568	>	if [[ -z "$sigsegv_recovery" ]]; then
569		AC_CACHE_CHECK([whether we then have a subterfuge for your system],
570		ac_cv_have_sigcontext_hack, [
571		AC_LANG_SAVE
#	Line 447 | Line 575 | if [[ "x$ac_cv_have_extended_signals" =
575		#define CONFIGURE_TEST_SIGSEGV_RECOVERY
576		#include "vm_alloc.cpp"
577		#include "sigsegv.cpp"
578	<	], ac_cv_have_sigcontext_hack=yes, ac_cv_have_sigcontext_hack=no,
578	>	], [
579	>	sigsegv_recovery=sigcontext
580	>	ac_cv_have_sigcontext_hack=yes
581	>	],
582	>	ac_cv_have_sigcontext_hack=no,
583		dnl When cross-compiling, do not assume anything.
584		ac_cv_have_sigcontext_hack=no
585		)
#	Line 477 | Line 609 | AC_CACHE_CHECK([whether we can skip inst
609		AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_INSTRUCTION, "$ac_cv_have_skip_instruction",
610		[Define if we can ignore the fault (instruction skipping in SIGSEGV handler).])
611
612	+	dnl Can we do Video on SEGV Signals ?
613	+	CAN_VOSF=no
614	+	if [[ -n "$sigsegv_recovery" ]]; then
615	+	CAN_VOSF=yes
616	+	fi
617	+
618	+	dnl Enable VOSF screen updates with this feature is requested and feasible
619	+	if [[ "x$WANT_VOSF" = "xyes" -a "x$CAN_VOSF" = "xyes" ]]; then
620	+	AC_DEFINE(ENABLE_VOSF, 1, [Define if using video enabled on SEGV signals.])
621	+	else
622	+	WANT_VOSF=no
623	+	fi
624	+
625	+	dnl Platform specific binary postprocessor
626	+	BLESS=/bin/true
627	+	if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then
628	+	BLESS=Darwin/lowmem
629	+	LDFLAGS="$LDFLAGS -pagezero_size 0x3000"
630	+	fi
631	+
632	+	dnl Check for GCC 2.7 or higher.
633	+	HAVE_GCC27=no
634	+	AC_MSG_CHECKING(for GCC 2.7 or higher)
635	+	AC_EGREP_CPP(xyes,
636	+	[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5
637	+	xyes
638	+	#endif
639	+	], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
640	+
641	+	dnl Check for GCC 3.0 or higher.
642	+	HAVE_GCC30=no
643	+	AC_MSG_CHECKING(for GCC 3.0 or higher)
644	+	AC_EGREP_CPP(xyes,
645	+	[#if __GNUC__ >= 3
646	+	xyes
647	+	#endif
648	+	], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
649	+
650	+	# Test if the compiler can generate ELF objects
651	+	AC_CACHE_CHECK([whether the compiler can generate ELF objects],
652	+	ac_cv_elf_objects, [
653	+	echo 'int i;' > conftest.$ac_ext
654	+	ac_cv_elf_objects=no
655	+	if AC_TRY_EVAL(ac_compile); then
656	+	case `/usr/bin/file conftest.$ac_objext` in
657	+	*"ELF"*)
658	+	ac_cv_elf_objects=yes
659	+	;;
660	+	esac
661	+	fi
662	+	rm -rf conftest*
663	+	])
664	+	ELF_OBJECTS=$ac_cv_elf_objects
665	+
666	+	dnl CPU emulator sources
667	+	if [[ "x$EMULATED_PPC" = "xyes" ]]; then
668	+	CPUSRCS="\
669	+	../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \
670	+	../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \
671	+	../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \
672	+	../kpx_cpu/src/cpu/ppc/ppc-translate.cpp"
673	+	CPPFLAGS="$CPPFLAGS -I../kpx_cpu/include -I../kpx_cpu/src"
674	+
675	+	dnl Enable JIT compiler, if possible
676	+	if [[ "x$WANT_JIT" = "xyes" ]]; then
677	+	AC_CACHE_CHECK([whether dyngen can be used],
678	+	ac_cv_use_dyngen, [
679	+	case $host_cpu:$ELF_OBJECTS in
680	+	powerpc:yes)
681	+	ac_cv_use_dyngen=yes
682	+	;;
683	+	x86_64:yes)
684	+	ac_cv_use_dyngen=yes
685	+	;;
686	+	i?86:yes)
687	+	ac_cv_use_dyngen=yes
688	+	;;
689	+	*:*)
690	+	ac_cv_use_dyngen=no
691	+	;;
692	+	esac
693	+	])
694	+	if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then
695	+	case $host_cpu in
696	+	i?86)
697	+	DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2"
698	+	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
699	+	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
700	+	else
701	+	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
702	+	fi
703	+	;;
704	+	esac
705	+	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000"
706	+	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
707	+	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls"
708	+	fi
709	+	else
710	+	WANT_JIT=no
711	+	fi
712	+	AC_TRANSLATE_DEFINE(ENABLE_DYNGEN, $ac_cv_use_dyngen, [Define to enable dyngen engine])
713	+	if [[ "x$WANT_JIT" = "xyes" ]]; then
714	+	DYNGENSRCS="\
715	+	../kpx_cpu/src/cpu/jit/dyngen.c \
716	+	../kpx_cpu/src/cpu/jit/cxxdemangle.cpp"
717	+	CPUSRCS="\
718	+	../kpx_cpu/src/cpu/jit/jit-cache.cpp \
719	+	../kpx_cpu/src/cpu/jit/basic-dyngen.cpp \
720	+	../kpx_cpu/src/cpu/ppc/ppc-dyngen.cpp $CPUSRCS"
721	+	fi
722	+	fi
723	+	CPUSRCS="$CPUSRCS ../kpx_cpu/sheepshaver_glue.cpp"
724	+	else
725	+	WANT_JIT=no
726	+	fi
727	+	if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then
728	+	AC_CACHE_CHECK([whether static data regions are executable],
729	+	ac_cv_have_static_data_exec, [
730	+	AC_TRY_RUN([int main(void) {
731	+	#if defined(__powerpc__)
732	+	static unsigned int p[8] = {0x4e800020,};
733	+	asm volatile("dcbst 0,%0" : : "r" (p) : "memory");
734	+	asm volatile("sync" : : : "memory");
735	+	asm volatile("icbi 0,%0" : : "r" (p) : "memory");
736	+	asm volatile("sync" : : : "memory");
737	+	asm volatile("isync" : : : "memory");
738	+	((void (*)(void))p)();
739	+	return 0;
740	+	#endif
741	+	return 1;
742	+	}], ac_cv_have_static_data_exec=yes, ac_cv_have_static_data_exec=no,
743	+	dnl When cross-compiling, do not assume anything.
744	+	ac_cv_have_static_data_exec=no
745	+	)
746	+	])
747	+	fi
748	+	AC_TRANSLATE_DEFINE(HAVE_STATIC_DATA_EXEC, "$ac_cv_have_static_data_exec",
749	+	[Define if your system marks static data pages as executable.])
750	+
751	+	if [[ "x$WANT_JIT" = "xyes" ]]; then
752	+	CPPFLAGS="$CPPFLAGS -DUSE_JIT"
753	+	fi
754	+
755		dnl Generate Makefile.
756	+	AC_SUBST(DYNGENSRCS)
757	+	AC_SUBST(DYNGEN_OP_FLAGS)
758		AC_SUBST(SYSSRCS)
759	+	AC_SUBST(CPUSRCS)
760	+	AC_SUBST(BLESS)
761		AC_OUTPUT(Makefile)
762
763		dnl Print summary.
#	Line 487 | Line 766 | echo SheepShaver configuration summary:
766		echo
767		echo XFree86 DGA support .............. : $WANT_XF86_DGA
768		echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
769	+	echo Using PowerPC emulator ........... : $EMULATED_PPC
770	+	echo Enable JIT compiler .............. : $WANT_JIT
771	+	echo Enable video on SEGV signals ..... : $WANT_VOSF
772		echo ESD sound support ................ : $WANT_ESD
773		echo GTK user interface ............... : $WANT_GTK
774		echo mon debugger support ............. : $WANT_MON
775	+	echo Bad memory access recovery type .. : $sigsegv_recovery
776		echo
777		echo "Configuration done. Now type \"make\"."

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