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

Comparing SheepShaver/src/Unix/configure.in (file contents):
Revision 1.15 by gbeauche, 2004-01-04T18:38:00Z vs.
Revision 1.22 by gbeauche, 2004-02-24T14:09:11Z

#	Line 18 | Line 18 | AC_ARG_ENABLE(vosf,         [  --enable-
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 34 | 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 93 | 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 102 | Line 111 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
111		])
112		])
113		AC_CHECK_FUNCS(pthread_cancel)
114	+	AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
115	+	AC_CHECK_FUNCS(pthread_mutexattr_settype)
116	+	AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
117		if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
118		AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
119		fi
120	<	else
121	<	dnl We do have our own pthread_cancel() implementation
122	<	AC_DEFINE(HAVE_PTHREAD_CANCEL, 1, [Define if you have the pthread_cancel function.])
111	<	fi
112	<
113	<	dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
114	<	SEMSRC=
115	<	AC_CHECK_FUNCS(sem_init, , [
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 141 | 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 193 | Line 202 | AC_TYPE_SIGNAL
202		AC_HEADER_TIME
203		AC_STRUCT_TM
204
205	+	dnl Check whether struct sigaction has sa_restorer member.
206	+	AC_CACHE_CHECK([whether struct sigaction has sa_restorer],
207	+	ac_cv_signal_sa_restorer, [
208	+	AC_TRY_COMPILE([
209	+	#include <signal.h>
210	+	], [struct sigaction sa; sa.sa_restorer = 0;],
211	+	ac_cv_signal_sa_restorer=yes, ac_cv_signal_sa_restorer=no,
212	+	dnl When cross-compiling, do not assume anything.
213	+	ac_cv_signal_sa_restorer=no
214	+	)
215	+	])
216	+	if [[ "x$ac_cv_signal_sa_restorer" = "xyes" ]]; then
217	+	AC_DEFINE(HAVE_SIGNAL_SA_RESTORER)
218	+	fi
219	+
220		dnl Checks for library functions.
221		AC_CHECK_FUNCS(strdup cfmakeraw)
222	<	AC_CHECK_FUNCS(nanosleep clock_gettime timer_create)
222	>	AC_CHECK_FUNCS(nanosleep)
223		AC_CHECK_FUNCS(sigaction signal)
224		AC_CHECK_FUNCS(mmap mprotect munmap)
225		AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
226	+	AC_CHECK_FUNCS(posix_memalign memalign valloc)
227	+
228	+	dnl Darwin seems to define mach_task_self() instead of task_self().
229	+	AC_CHECK_FUNCS(mach_task_self task_self)
230	+
231	+	dnl We need clock_gettime() for better performance but it may drag
232	+	dnl libpthread in, which we don't want for native ppc mode
233	+	case $EMULATED_PPC:$target_os in
234	+	no:linux*)
235	+	;;
236	+	*:*)
237	+	AC_SEARCH_LIBS(clock_gettime, [rt posix4])
238	+	AC_CHECK_FUNCS(clock_gettime)
239	+	;;
240	+	esac
241
242		dnl Select system-dependant sources.
243	<	if [[ "x$EMULATED_PPC" = "xno" ]]; then
244	<	SYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c Linux/asm_linux.S"
245	<	fi
246	<	SYSSRCS="$SYSSRCS $SEMSRCS $UISRCS $MONSRCS"
243	>	SERIALSRC=serial_unix.cpp
244	>	ETHERSRC=../dummy/ether_dummy.cpp
245	>	SCSISRC=../dummy/scsi_dummy.cpp
246	>	AUDIOSRC=../dummy/audio_dummy.cpp
247	>	EXTRASYSSRCS=
248	>	case "$target_os" in
249	>	linux*)
250	>	ETHERSRC=Linux/ether_linux.cpp
251	>	AUDIOSRC=audio_oss_esd.cpp
252	>	SCSISRC=Linux/scsi_linux.cpp
253	>	if [[ "x$EMULATED_PPC" = "xno" ]]; then
254	>	EXTRASYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c Linux/asm_linux.S"
255	>	fi
256	>	;;
257	>	darwin*)
258	>	if [[ "x$EMULATED_PPC" = "xno" ]]; then
259	>	EXTRASYSSRCS="Darwin/paranoia.cpp Linux/asm_linux.S"
260	>	fi
261	>	;;
262	>	esac
263	>	SYSSRCS="$SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
264
265		dnl Define a macro that translates a yesno-variable into a C macro definition
266		dnl to be put into the config.h file
#	Line 363 | Line 419 | AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_
419
420		fi dnl HAVE_MMAP_VM
421
422	<	dnl Check if we can mmap 0x2000 bytes from 0x0000
423	<	AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x2000],
422	>	dnl Check if we can modify the __PAGEZERO segment for use as Low Memory
423	>	AC_CACHE_CHECK([whether __PAGEZERO can be Low Memory area 0x0000-0x3000],
424	>	ac_cv_pagezero_hack, [
425	>	ac_cv_pagezero_hack=no
426	>	if AC_TRY_COMMAND([Darwin/testlmem.sh 0x3000]); then
427	>	ac_cv_pagezero_hack=yes
428	>	dnl might as well skip the test for mmap-able low memory
429	>	ac_cv_can_map_lm=no
430	>	fi
431	>	])
432	>	AC_TRANSLATE_DEFINE(PAGEZERO_HACK, "$ac_cv_pagezero_hack",
433	>	[Define if the __PAGEZERO Mach-O Low Memory Globals hack works on this system.])
434	>
435	>	dnl Check if we can mmap 0x3000 bytes from 0x0000
436	>	AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x3000],
437		ac_cv_can_map_lm, [
438		AC_LANG_SAVE
439		AC_LANG_CPLUSPLUS
#	Line 447 | Line 516 | AC_CACHE_CHECK([whether sigaction handle
516		AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall",
517		[Define if your system requires sigactions to be reinstalled.])
518
519	<	dnl Check if extended signals are supported.
520	<	AC_CACHE_CHECK([whether your system supports extended signal handlers],
521	<	ac_cv_have_extended_signals, [
519	>	dnl Check if Mach exceptions supported.
520	>	AC_CACHE_CHECK([whether your system supports Mach exceptions],
521	>	ac_cv_have_mach_exceptions, [
522		AC_LANG_SAVE
523		AC_LANG_CPLUSPLUS
524		AC_TRY_RUN([
525	<	#define HAVE_SIGINFO_T 1
525	>	#define HAVE_MACH_EXCEPTIONS 1
526		#define CONFIGURE_TEST_SIGSEGV_RECOVERY
527		#include "vm_alloc.cpp"
528		#include "sigsegv.cpp"
529	<	], ac_cv_have_extended_signals=yes, ac_cv_have_extended_signals=no,
529	>	], [
530	>	sigsegv_recovery=mach
531	>	ac_cv_have_mach_exceptions=yes
532	>	],
533	>	ac_cv_have_mach_exceptions=no,
534		dnl When cross-compiling, do not assume anything.
535	<	ac_cv_have_extended_signals=no
535	>	ac_cv_have_mach_exceptions=no
536		)
537		AC_LANG_RESTORE
538		]
539		)
540	<	AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals",
541	<	[Define if your system support extended signals.])
540	>	AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions",
541	>	[Define if your system supports Mach exceptions.])
542	>
543	>	dnl Otherwise, check if extended signals are supported.
544	>	if [[ -z "$sigsegv_recovery" ]]; then
545	>	AC_CACHE_CHECK([whether your system supports extended signal handlers],
546	>	ac_cv_have_extended_signals, [
547	>	AC_LANG_SAVE
548	>	AC_LANG_CPLUSPLUS
549	>	AC_TRY_RUN([
550	>	#define HAVE_SIGINFO_T 1
551	>	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
552	>	#include "vm_alloc.cpp"
553	>	#include "sigsegv.cpp"
554	>	], [
555	>	sigsegv_recovery=siginfo
556	>	ac_cv_have_extended_signals=yes
557	>	],
558	>	ac_cv_have_extended_signals=no,
559	>	dnl When cross-compiling, do not assume anything.
560	>	ac_cv_have_extended_signals=no
561	>	)
562	>	AC_LANG_RESTORE
563	>	]
564	>	)
565	>	AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals",
566	>	[Define if your system support extended signals.])
567	>	fi
568
569		dnl Otherwise, check for subterfuges.
570	<	if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
570	>	if [[ -z "$sigsegv_recovery" ]]; then
571		AC_CACHE_CHECK([whether we then have a subterfuge for your system],
572		ac_cv_have_sigcontext_hack, [
573		AC_LANG_SAVE
#	Line 478 | Line 577 | if [[ "x$ac_cv_have_extended_signals" =
577		#define CONFIGURE_TEST_SIGSEGV_RECOVERY
578		#include "vm_alloc.cpp"
579		#include "sigsegv.cpp"
580	<	], ac_cv_have_sigcontext_hack=yes, ac_cv_have_sigcontext_hack=no,
580	>	], [
581	>	sigsegv_recovery=sigcontext
582	>	ac_cv_have_sigcontext_hack=yes
583	>	],
584	>	ac_cv_have_sigcontext_hack=no,
585		dnl When cross-compiling, do not assume anything.
586		ac_cv_have_sigcontext_hack=no
587		)
#	Line 510 | Line 613 | AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_IN
613
614		dnl Can we do Video on SEGV Signals ?
615		CAN_VOSF=no
616	<	if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
616	>	if [[ -n "$sigsegv_recovery" ]]; then
617		CAN_VOSF=yes
618		fi
619
#	Line 521 | Line 624 | else
624		WANT_VOSF=no
625		fi
626
627	+	dnl Platform specific binary postprocessor
628	+	BLESS=/bin/true
629	+	if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then
630	+	BLESS=Darwin/lowmem
631	+	LDFLAGS="$LDFLAGS -pagezero_size 0x3000"
632	+	fi
633	+
634		dnl Check for GCC 2.7 or higher.
635		HAVE_GCC27=no
636		AC_MSG_CHECKING(for GCC 2.7 or higher)
#	Line 539 | Line 649 | AC_EGREP_CPP(xyes,
649		#endif
650		], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
651
652	+	dnl Check for ICC.
653	+	AC_MSG_CHECKING(for ICC)
654	+	HAVE_ICC=no
655	+	if $CXX -V -v 2>&1 | grep -q "Intel(R) C++ Compiler"; then
656	+	HAVE_ICC=yes
657	+	fi
658	+	AC_MSG_RESULT($HAVE_ICC)
659	+
660		# Test if the compiler can generate ELF objects
661		AC_CACHE_CHECK([whether the compiler can generate ELF objects],
662		ac_cv_elf_objects, [
#	Line 582 | Line 700 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
700		ac_cv_use_dyngen=no
701		;;
702		esac
703	+	dnl Check for a suitable synthetic opcodes compiler (icc is faking itself as gcc 3.2.2)
704	+	if [[ -z "$DYNGEN_CC" ]]; then
705	+	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
706	+	DYNGEN_CC=$CXX
707	+	else
708	+	for p in /usr/bin /usr/local/bin; do
709	+	gxx="$p/g++"
710	+	if [[ -x "$gxx" ]]; then
711	+	DYNGEN_CC="$gxx"
712	+	fi
713	+	done
714	+	fi
715	+	fi
716	+	if [[ -z "$DYNGEN_CC" ]] || ! { echo '#include <limits>' | $DYNGEN_CC -xc++ -c -o /dev/null - >& /dev/null; }; then
717	+	ac_cv_use_dyngen=no
718	+	fi
719		])
720		if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then
721		case $host_cpu in
#	Line 592 | Line 726 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
726		else
727		DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
728		fi
729	+	saved_CPPFLAGS=$CPPFLAGS
730	+	CPPFLAGS="$CPPFLAGS -mmmx"
731	+	AC_CHECK_HEADERS(mmintrin.h,  [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -mmmx"])
732	+	CPPFLAGS="$CPPFLAGS -msse"
733	+	AC_CHECK_HEADERS(xmmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse"])
734	+	CPPFLAGS="$CPPFLAGS -msse2"
735	+	AC_CHECK_HEADERS(emmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse2"])
736	+	CPPFLAGS=$saved_CPPFLAGS
737	+	;;
738	+	x86_64)
739	+	AC_CHECK_HEADERS(mmintrin.h xmmintrin.h emmintrin.h)
740		;;
741		esac
742		DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000"
#	Line 646 | Line 791 | fi
791
792		dnl Generate Makefile.
793		AC_SUBST(DYNGENSRCS)
794	+	AC_SUBST(DYNGEN_CC)
795		AC_SUBST(DYNGEN_OP_FLAGS)
796		AC_SUBST(SYSSRCS)
797		AC_SUBST(CPUSRCS)
798	+	AC_SUBST(BLESS)
799		AC_OUTPUT(Makefile)
800
801		dnl Print summary.
#	Line 663 | Line 810 | echo Enable video on SEGV signals .....
810		echo ESD sound support ................ : $WANT_ESD
811		echo GTK user interface ............... : $WANT_GTK
812		echo mon debugger support ............. : $WANT_MON
813	+	echo Bad memory access recovery type .. : $sigsegv_recovery
814		echo
815		echo "Configuration done. Now type \"make\"."

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