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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 1.16 by gbeauche, 2004-01-06T13:24:56Z

#	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 29 | Line 36 | AC_EGREP_CPP(yes,
36		#endif
37		], [AC_MSG_RESULT(yes); HAVE_PPC=yes], AC_MSG_RESULT(no))
38
39	+	dnl We use native CPU if possible.
40	+	EMULATED_PPC=yes
41	+	case $WANT_EMULATED_PPC in
42	+	auto) [[ "x$HAVE_PPC" = "xyes" ]] && EMULATED_PPC=no;;
43	+	no)   EMULATED_PPC=no;;
44	+	esac
45	+	if [[ "x$EMULATED_PPC" = "xyes" ]]; then
46	+	AC_DEFINE(EMULATED_PPC)
47	+	fi
48	+
49		dnl We use mon if possible.
50		MONSRCS=
51	+	case "x$WANT_MON" in
52	+	x/* | x.*)
53	+	mon_srcdir=$WANT_MON
54	+	WANT_MON=yes
55	+	;;
56	+	xyes)
57	+	mon_srcdir=../../../mon/src
58	+	;;
59	+	esac
60		if [[ "x$WANT_MON" = "xyes" ]]; then
61		AC_MSG_CHECKING(for mon)
36	–	mon_srcdir=../../../mon/src
62		if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
63		AC_MSG_RESULT(yes)
64		AC_DEFINE(ENABLE_MON)
#	Line 68 | Line 93 | LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -l
93
94		dnl We need pthreads on non-PowerPC systems. Try libpthread first, then libc_r (FreeBSD), then PTL.
95		HAVE_PTHREADS=yes
96	<	if [[ "x$HAVE_PPC" = "xno" ]]; then
96	>	if [[ "x$EMULATED_PPC" = "xyes" ]]; then
97		AC_CHECK_LIB(pthread, pthread_create, , [
98		AC_CHECK_LIB(c_r, pthread_create, , [
99		AC_CHECK_LIB(PTL, pthread_create, , [
#	Line 77 | Line 102 | if [[ "x$HAVE_PPC" = "xno" ]]; then
102		])
103		])
104		AC_CHECK_FUNCS(pthread_cancel)
105	+	AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
106	+	AC_CHECK_FUNCS(pthread_mutexattr_settype)
107	+	AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
108	+	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
109	+	AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
110	+	fi
111	+	else
112	+	dnl We do have our own pthread_cancel() implementation
113	+	AC_DEFINE(HAVE_PTHREAD_CANCEL, 1, [Define if you have the pthread_cancel function.])
114		fi
115
116		dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
#	Line 140 | Line 174 | fi
174		dnl Checks for header files.
175		AC_HEADER_STDC
176		AC_HEADER_SYS_WAIT
177	<	AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h sys/mman.h)
177	>	AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h)
178	>	AC_CHECK_HEADERS(sys/time.h sys/times.h)
179	>	AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h)
180
181		dnl Checks for typedefs, structures, and compiler characteristics.
182		AC_C_BIGENDIAN
#	Line 162 | Line 198 | AC_STRUCT_TM
198
199		dnl Checks for library functions.
200		AC_CHECK_FUNCS(strdup cfmakeraw)
201	<	AC_CHECK_FUNCS(nanosleep clock_gettime timer_create)
201	>	AC_CHECK_FUNCS(nanosleep)
202		AC_CHECK_FUNCS(sigaction signal)
203		AC_CHECK_FUNCS(mmap mprotect munmap)
204		AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
205	+	dnl We need clock_gettime() for better performance but it may drag
206	+	dnl libpthread in, which we don't want for native ppc mode
207	+	if [[ "x$EMULATED_PPC" = "xyes" ]]; then
208	+	AC_SEARCH_LIBS(clock_gettime, [rt posix4])
209	+	AC_CHECK_FUNCS(clock_gettime)
210	+	fi
211
212		dnl Select system-dependant sources.
213	<	if [[ "x$HAVE_PPC" = "xyes" ]]; then
213	>	if [[ "x$EMULATED_PPC" = "xno" ]]; then
214		SYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c Linux/asm_linux.S"
173	–	else
174	–	SYSSRCS="../emul_ppc/emul_ppc.cpp"
215		fi
216		SYSSRCS="$SYSSRCS $SEMSRCS $UISRCS $MONSRCS"
217
#	Line 477 | Line 517 | AC_CACHE_CHECK([whether we can skip inst
517		AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_INSTRUCTION, "$ac_cv_have_skip_instruction",
518		[Define if we can ignore the fault (instruction skipping in SIGSEGV handler).])
519
520	+	dnl Can we do Video on SEGV Signals ?
521	+	CAN_VOSF=no
522	+	if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
523	+	CAN_VOSF=yes
524	+	fi
525	+
526	+	dnl Enable VOSF screen updates with this feature is requested and feasible
527	+	if [[ "x$WANT_VOSF" = "xyes" -a "x$CAN_VOSF" = "xyes" ]]; then
528	+	AC_DEFINE(ENABLE_VOSF, 1, [Define if using video enabled on SEGV signals.])
529	+	else
530	+	WANT_VOSF=no
531	+	fi
532	+
533	+	dnl Check for GCC 2.7 or higher.
534	+	HAVE_GCC27=no
535	+	AC_MSG_CHECKING(for GCC 2.7 or higher)
536	+	AC_EGREP_CPP(xyes,
537	+	[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5
538	+	xyes
539	+	#endif
540	+	], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
541	+
542	+	dnl Check for GCC 3.0 or higher.
543	+	HAVE_GCC30=no
544	+	AC_MSG_CHECKING(for GCC 3.0 or higher)
545	+	AC_EGREP_CPP(xyes,
546	+	[#if __GNUC__ >= 3
547	+	xyes
548	+	#endif
549	+	], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
550	+
551	+	# Test if the compiler can generate ELF objects
552	+	AC_CACHE_CHECK([whether the compiler can generate ELF objects],
553	+	ac_cv_elf_objects, [
554	+	echo 'int i;' > conftest.$ac_ext
555	+	ac_cv_elf_objects=no
556	+	if AC_TRY_EVAL(ac_compile); then
557	+	case `/usr/bin/file conftest.$ac_objext` in
558	+	*"ELF"*)
559	+	ac_cv_elf_objects=yes
560	+	;;
561	+	esac
562	+	fi
563	+	rm -rf conftest*
564	+	])
565	+	ELF_OBJECTS=$ac_cv_elf_objects
566	+
567	+	dnl CPU emulator sources
568	+	if [[ "x$EMULATED_PPC" = "xyes" ]]; then
569	+	CPUSRCS="\
570	+	../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \
571	+	../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \
572	+	../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \
573	+	../kpx_cpu/src/cpu/ppc/ppc-translate.cpp"
574	+	CPPFLAGS="$CPPFLAGS -I../kpx_cpu/include -I../kpx_cpu/src"
575	+
576	+	dnl Enable JIT compiler, if possible
577	+	if [[ "x$WANT_JIT" = "xyes" ]]; then
578	+	AC_CACHE_CHECK([whether dyngen can be used],
579	+	ac_cv_use_dyngen, [
580	+	case $host_cpu:$ELF_OBJECTS in
581	+	powerpc:yes)
582	+	ac_cv_use_dyngen=yes
583	+	;;
584	+	x86_64:yes)
585	+	ac_cv_use_dyngen=yes
586	+	;;
587	+	i?86:yes)
588	+	ac_cv_use_dyngen=yes
589	+	;;
590	+	*:*)
591	+	ac_cv_use_dyngen=no
592	+	;;
593	+	esac
594	+	])
595	+	if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then
596	+	case $host_cpu in
597	+	i?86)
598	+	DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2"
599	+	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
600	+	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
601	+	else
602	+	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
603	+	fi
604	+	;;
605	+	esac
606	+	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000"
607	+	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
608	+	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls"
609	+	fi
610	+	else
611	+	WANT_JIT=no
612	+	fi
613	+	AC_TRANSLATE_DEFINE(ENABLE_DYNGEN, $ac_cv_use_dyngen, [Define to enable dyngen engine])
614	+	if [[ "x$WANT_JIT" = "xyes" ]]; then
615	+	DYNGENSRCS="\
616	+	../kpx_cpu/src/cpu/jit/dyngen.c \
617	+	../kpx_cpu/src/cpu/jit/cxxdemangle.cpp"
618	+	CPUSRCS="\
619	+	../kpx_cpu/src/cpu/jit/jit-cache.cpp \
620	+	../kpx_cpu/src/cpu/jit/basic-dyngen.cpp \
621	+	../kpx_cpu/src/cpu/ppc/ppc-dyngen.cpp $CPUSRCS"
622	+	fi
623	+	fi
624	+	CPUSRCS="$CPUSRCS ../kpx_cpu/sheepshaver_glue.cpp"
625	+	else
626	+	WANT_JIT=no
627	+	fi
628	+	if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then
629	+	AC_CACHE_CHECK([whether static data regions are executable],
630	+	ac_cv_have_static_data_exec, [
631	+	AC_TRY_RUN([int main(void) {
632	+	#if defined(__powerpc__)
633	+	static unsigned int p[8] = {0x4e800020,};
634	+	asm volatile("dcbst 0,%0" : : "r" (p) : "memory");
635	+	asm volatile("sync" : : : "memory");
636	+	asm volatile("icbi 0,%0" : : "r" (p) : "memory");
637	+	asm volatile("sync" : : : "memory");
638	+	asm volatile("isync" : : : "memory");
639	+	((void (*)(void))p)();
640	+	return 0;
641	+	#endif
642	+	return 1;
643	+	}], ac_cv_have_static_data_exec=yes, ac_cv_have_static_data_exec=no,
644	+	dnl When cross-compiling, do not assume anything.
645	+	ac_cv_have_static_data_exec=no
646	+	)
647	+	])
648	+	fi
649	+	AC_TRANSLATE_DEFINE(HAVE_STATIC_DATA_EXEC, "$ac_cv_have_static_data_exec",
650	+	[Define if your system marks static data pages as executable.])
651	+
652	+	if [[ "x$WANT_JIT" = "xyes" ]]; then
653	+	CPPFLAGS="$CPPFLAGS -DUSE_JIT"
654	+	fi
655	+
656		dnl Generate Makefile.
657	+	AC_SUBST(DYNGENSRCS)
658	+	AC_SUBST(DYNGEN_OP_FLAGS)
659		AC_SUBST(SYSSRCS)
660	+	AC_SUBST(CPUSRCS)
661		AC_OUTPUT(Makefile)
662
663		dnl Print summary.
#	Line 487 | Line 666 | echo SheepShaver configuration summary:
666		echo
667		echo XFree86 DGA support .............. : $WANT_XF86_DGA
668		echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
669	+	echo Using PowerPC emulator ........... : $EMULATED_PPC
670	+	echo Enable JIT compiler .............. : $WANT_JIT
671	+	echo Enable video on SEGV signals ..... : $WANT_VOSF
672		echo ESD sound support ................ : $WANT_ESD
673		echo GTK user interface ............... : $WANT_GTK
674		echo mon debugger support ............. : $WANT_MON

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