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

Comparing SheepShaver/src/Unix/configure.ac (file contents):
Revision 1.21 by gbeauche, 2005-03-27T19:05:18Z vs.
Revision 1.35 by gbeauche, 2005-07-04T06:09:59Z

#	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_WITH(esd,            [  --with-esd              support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes])
32		AC_ARG_WITH(gtk,            [  --with-gtk              use GTK user interface [default=yes]],
#	Line 123 | Line 130 | dnl Do we need SDL?
130		WANT_SDL=no
131		if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
132		WANT_SDL=yes
126	–	WANT_FBDEV_DGA=no
133		WANT_XF86_DGA=no
134		WANT_XF86_VIDMODE=no
135		WANT_FBDEV_DGA=no
#	Line 136 | Line 142 | fi
142		if [[ "x$WANT_SDL" = "xyes" ]]; then
143		AC_PATH_PROG(sdl_config, "sdl-config")
144		if [[ -n "$sdl_config" ]]; then
145	<	case $target_os in
146	<	# Special treatment for Cygwin so that we can still use the POSIX layer
147	<	*cygwin*)
148	<	sdl_cflags="-I`$sdl_config --prefix`/include/SDL"
149	<	sdl_libs="-L`$sdl_config --exec-prefix`/lib -lSDL"
150	<	;;
145	<	*)
146	<	sdl_cflags=`$sdl_config --cflags`
147	<	if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
148	<	sdl_libs=`$sdl_config --static-libs`
149	<	else
150	<	sdl_libs=`$sdl_config --libs`
151	<	fi
152	<	;;
153	<	esac
145	>	sdl_cflags=`$sdl_config --cflags`
146	>	if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
147	>	sdl_libs=`$sdl_config --static-libs`
148	>	else
149	>	sdl_libs=`$sdl_config --libs`
150	>	fi
151		CFLAGS="$CFLAGS $sdl_cflags"
152		CXXFLAGS="$CXXFLAGS $sdl_cflags"
153		LIBS="$LIBS $sdl_libs"
#	Line 186 | Line 183 | no:linux*|no:netbsd*)
183		AC_CHECK_LIB(pthread, pthread_create, , [
184		AC_CHECK_LIB(c_r, pthread_create, , [
185		AC_CHECK_LIB(PTL, pthread_create, , [
186	<	AC_MSG_ERROR([You need pthreads to run Basilisk II.])
186	>	dnl XXX remove when no pthreads case is merged
187	>	AC_MSG_ERROR([You need pthreads to run SheepShaver.])
188	>	HAVE_PTHREADS=no
189		])
190		])
191		])
192		AC_CHECK_FUNCS(pthread_cancel)
193	+	AC_CHECK_FUNCS(pthread_cond_init pthread_testcancel)
194		AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
195		AC_CHECK_FUNCS(pthread_mutexattr_settype)
196		AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
197	–	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
198	–	AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
199	–	fi
197		dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
198		SEMSRC=
199		AC_CHECK_FUNCS(sem_init, , [
#	Line 206 | Line 203 | no:linux*|no:netbsd*)
203		])
204		;;
205		esac
206	+	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
207	+	AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
208	+	fi
209
210		dnl We use FBDev DGA if possible.
211		if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
#	Line 296 | Line 296 | AC_SYS_LARGEFILE
296		dnl Checks for header files.
297		AC_HEADER_STDC
298		AC_HEADER_SYS_WAIT
299	<	AC_CHECK_HEADERS(malloc.h)
299	>	AC_CHECK_HEADERS(malloc.h stdint.h)
300		AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h)
301	–	AC_CHECK_HEADERS(sys/time.h sys/times.h sys/socket.h)
301		AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h dirent.h)
302	<	AC_CHECK_HEADERS(linux/if.h, [], [], [
303	<	#if HAVE_SYS_SOCKET_H
304	<	# include <sys/socket.h>
302	>	AC_CHECK_HEADERS(sys/socket.h sys/ioctl.h sys/filio.h sys/bitypes.h sys/wait.h)
303	>	AC_CHECK_HEADERS(sys/time.h sys/poll.h sys/select.h arpa/inet.h)
304	>	AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h, [], [], [
305	>	#ifdef HAVE_SYS_TYPES_H
306	>	#include <sys/types.h>
307	>	#endif
308	>	#ifdef HAVE_SYS_SOCKET_H
309	>	#include <sys/socket.h>
310		#endif
311		])
312	<	AC_CHECK_HEADERS(linux/if_tun.h net/if.h net/if_tun.h)
312	>	AC_CHECK_HEADERS(AvailabilityMacros.h)
313	>	AC_CHECK_HEADERS(IOKit/storage/IOBlockStorageDevice.h)
314		AC_CHECK_HEADERS(fenv.h)
315
316		dnl Checks for typedefs, structures, and compiler characteristics.
#	Line 326 | Line 331 | AC_TYPE_SIGNAL
331		AC_HEADER_TIME
332		AC_STRUCT_TM
333
334	+	dnl Check whether sys/socket.h defines type socklen_t.
335	+	dnl (extracted from ac-archive/Miscellaneous)
336	+	AC_CACHE_CHECK([for socklen_t],
337	+	ac_cv_type_socklen_t, [
338	+	AC_TRY_COMPILE([
339	+	#include <sys/types.h>
340	+	#include <sys/socket.h>
341	+	], [socklen_t len = 42; return 0;],
342	+	ac_cv_type_socklen_t=yes, ac_cv_type_socklen_t=no,
343	+	dnl When cross-compiling, do not assume anything.
344	+	ac_cv_type_socklen_t="guessing no"
345	+	)
346	+	])
347	+	if [[ "x$ac_cv_type_socklen_t" != "xyes" ]]; then
348	+	AC_DEFINE(socklen_t, int, [Define to 'int' if <sys/types.h> doesn't define.])
349	+	fi
350	+
351		dnl Check whether struct sigaction has sa_restorer member.
352		AC_CACHE_CHECK([whether struct sigaction has sa_restorer],
353		ac_cv_signal_sa_restorer, [
#	Line 342 | Line 364 | if [[ "x$ac_cv_signal_sa_restorer" = "xy
364		fi
365
366		dnl Checks for library functions.
367	<	AC_CHECK_FUNCS(strdup strlcpy cfmakeraw)
367	>	AC_CHECK_FUNCS(strdup strerror strlcpy cfmakeraw)
368		AC_CHECK_FUNCS(nanosleep)
369		AC_CHECK_FUNCS(sigaction signal)
370		AC_CHECK_FUNCS(mmap mprotect munmap)
371		AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
372	<	AC_CHECK_FUNCS(posix_memalign memalign valloc)
373	<	AC_CHECK_FUNCS(exp2f log2f exp2 log2 trunc)
372	>	AC_CHECK_FUNCS(exp2f log2f exp2 log2)
373	>	AC_CHECK_FUNCS(floorf roundf ceilf truncf floor round ceil trunc)
374	>	AC_CHECK_FUNCS(poll inet_aton)
375
376		dnl Darwin seems to define mach_task_self() instead of task_self().
377		AC_CHECK_FUNCS(mach_task_self task_self)
#	Line 439 | Line 462 | EXTFSSRC=extfs_unix.cpp
462		EXTRASYSSRCS=
463		case "$target_os" in
464		linux*)
465	<	ETHERSRC=Linux/ether_linux.cpp
465	>	ETHERSRC=ether_unix.cpp
466		AUDIOSRC=audio_oss_esd.cpp
467		SCSISRC=Linux/scsi_linux.cpp
468		if [[ "x$EMULATED_PPC" = "xno" ]]; then
469	<	EXTRASYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c ppc_asm.S"
469	>	EXTRASYSSRCS="paranoia.cpp Linux/sheepthreads.c ppc_asm.S"
470		fi
471		;;
472	+	freebsd*)
473	+	ETHERSRC=ether_unix.cpp
474	+	;;
475		netbsd*)
476	+	ETHERSRC=ether_unix.cpp
477		if [[ "x$EMULATED_PPC" = "xno" ]]; then
478	<	EXTRASYSSRCS="NetBSD/paranoia.cpp NetBSD/sheepthreads.c ppc_asm.S"
478	>	EXTRASYSSRCS="paranoia.cpp NetBSD/sheepthreads.c ppc_asm.S"
479		fi
480		;;
481		darwin*)
482	+	ETHERSRC=ether_unix.cpp
483		if [[ "x$EMULATED_PPC" = "xno" ]]; then
484	<	EXTRASYSSRCS="Darwin/paranoia.cpp ppc_asm.S"
484	>	EXTRASYSSRCS="paranoia.cpp ppc_asm.S"
485		fi
486		if [[ "x$ac_cv_framework_IOKit" = "xyes" ]]; then
487		EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/sys_darwin.cpp"
#	Line 462 | Line 490 | darwin*)
490		EXTFSSRC=../MacOSX/extfs_macosx.mm
491		fi
492		;;
465	–	cygwin*)
466	–	SERIALSRC="../dummy/serial_dummy.cpp"
467	–	;;
493		esac
494
495	+	dnl Is the slirp library supported?
496	+	if [[ "x$ETHERSRC" = "xether_unix.cpp" ]]; then
497	+	AC_DEFINE(HAVE_SLIRP, 1, [Define if slirp library is supported])
498	+	SLIRP_SRCS="\
499	+	../slirp/bootp.c     ../slirp/ip_output.c  ../slirp/tcp_input.c  \
500	+	../slirp/cksum.c     ../slirp/mbuf.c       ../slirp/tcp_output.c \
501	+	../slirp/debug.c     ../slirp/misc.c       ../slirp/tcp_subr.c   \
502	+	../slirp/if.c        ../slirp/sbuf.c       ../slirp/tcp_timer.c  \
503	+	../slirp/ip_icmp.c   ../slirp/slirp.c      ../slirp/tftp.c       \
504	+	../slirp/ip_input.c  ../slirp/socket.c     ../slirp/udp.c"
505	+	fi
506	+	AC_SUBST(SLIRP_SRCS)
507	+
508		dnl SDL overrides
509		if [[ "x$WANT_SDL" = "xyes" ]]; then
510		AC_DEFINE(USE_SDL, 1, [Define to enble SDL support.])
#	Line 478 | Line 516 | if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; th
516		if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
517		EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx.cpp"
518		else
519	<	case "$target_os" in
482	<	cygwin*)
483	<	EXTRASYSSRCS="$EXTRASYSSRCS ../Windows/clip_windows.cpp"
484	<	;;
485	<	*)
486	<	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
487	<	;;
488	<	esac
519	>	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
520		fi
521		else
522		VIDEOSRCS="video_x.cpp"
#	Line 913 | Line 944 | fi
944
945		dnl Check addressing mode to use
946		AC_MSG_CHECKING([for addressing mode to use])
916	–	case "$os_target" in
917	–	cygwin*)
918	–	WANT_ADDRESSING_MODE="direct,cygwin-hack"
919	–	NATMEM_OFFSET=
920	–	;;
921	–	esac
947		if [[ "$EMULATED_PPC" != "yes" ]]; then
948		if [[ "$WANT_ADDRESSING_MODE" != "real" ]]; then
949		AC_MSG_WARN([Running in native PowerPC mode, force use of Real Addressing.])
#	Line 1000 | Line 1025 | EOF
1025		fi
1026		AC_MSG_RESULT($WANT_ADDRESSING_MODE)
1027
1028	+	dnl Utility macro used by next two tests.
1029	+	dnl AC_EXAMINE_OBJECT(C source code,
1030	+	dnl     commands examining object file,
1031	+	dnl     [commands to run if compile failed]):
1032	+	dnl
1033	+	dnl Compile the source code to an object file; then convert it into a
1034	+	dnl printable representation.  All unprintable characters and
1035	+	dnl asterisks (*) are replaced by dots (.).  All white space is
1036	+	dnl deleted.  Newlines (ASCII 0x10) in the input are preserved in the
1037	+	dnl output, but runs of newlines are compressed to a single newline.
1038	+	dnl Finally, line breaks are forcibly inserted so that no line is
1039	+	dnl longer than 80 columns and the file ends with a newline.  The
1040	+	dnl result of all this processing is in the file conftest.dmp, which
1041	+	dnl may be examined by the commands in the second argument.
1042	+	dnl
1043	+	AC_DEFUN([gcc_AC_EXAMINE_OBJECT],
1044	+	[AC_LANG_SAVE
1045	+	AC_LANG_C
1046	+	dnl Next bit cribbed from AC_TRY_COMPILE.
1047	+	cat > conftest.$ac_ext <<EOF
1048	+	[#line __oline__ "configure"
1049	+	#include "confdefs.h"
1050	+	$1
1051	+	]EOF
1052	+	if AC_TRY_EVAL(ac_compile); then
1053	+	od -c conftest.o |
1054	+	sed ['s/^[0-7]*[    ]*/ /
1055	+	s/\*/./g
1056	+	s/ \\n/*/g
1057	+	s/ [0-9][0-9][0-9]/./g
1058	+	s/  \\[^ ]/./g'] |
1059	+	tr -d '
1060	+	' | tr -s '*' '
1061	+	' | fold | sed '$a\
1062	+	' > conftest.dmp
1063	+	$2
1064	+	ifelse($3, , , else
1065	+	$3
1066	+	)dnl
1067	+	fi
1068	+	rm -rf conftest*
1069	+	AC_LANG_RESTORE])
1070	+
1071	+	dnl Floating point format probe.
1072	+	dnl The basic concept is the same as the above: grep the object
1073	+	dnl file for an interesting string.  We have to watch out for
1074	+	dnl rounding changing the values in the object, however; this is
1075	+	dnl handled by ignoring the least significant byte of the float.
1076	+	dnl
1077	+	dnl Does not know about VAX G-float or C4x idiosyncratic format.
1078	+	dnl It does know about PDP-10 idiosyncratic format, but this is
1079	+	dnl not presently supported by GCC.  S/390 "binary floating point"
1080	+	dnl is in fact IEEE (but maybe we should have that in EBCDIC as well
1081	+	dnl as ASCII?)
1082	+	dnl
1083	+	AC_DEFUN([gcc_AC_C_FLOAT_FORMAT],
1084	+	[AC_CACHE_CHECK(floating point format, ac_cv_c_float_format,
1085	+	[gcc_AC_EXAMINE_OBJECT(
1086	+	[/* This will not work unless sizeof(double) == 8.  */
1087	+	extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1];
1088	+
1089	+	/* This structure must have no internal padding.  */
1090	+	struct possibility {
1091	+	char prefix[8];
1092	+	double candidate;
1093	+	char postfix[8];
1094	+	};
1095	+
1096	+	#define C(cand) { "\nformat:", cand, ":tamrof\n" }
1097	+	struct possibility table [] =
1098	+	{
1099	+	C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */
1100	+	C( 3.53802595280598432000e+18), /* D__float - VAX */
1101	+	C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */
1102	+	C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */
1103	+	C(-5.22995989424860458374e+10)  /* IBMHEXFP - s/390 format, EBCDIC */
1104	+	};],
1105	+	[if   grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1106	+	ac_cv_c_float_format='IEEE (big-endian)'
1107	+	elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then
1108	+	ac_cv_c_float_format='IEEE (big-endian)'
1109	+	elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then
1110	+	ac_cv_c_float_format='IEEE (little-endian)'
1111	+	elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then
1112	+	ac_cv_c_float_format='IEEE (little-endian)'
1113	+	elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then
1114	+	ac_cv_c_float_format='VAX D-float'
1115	+	elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then
1116	+	ac_cv_c_float_format='PDP-10'
1117	+	elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1118	+	ac_cv_c_float_format='IBM 370 hex'
1119	+	else
1120	+	AC_MSG_ERROR(Unknown floating point format)
1121	+	fi],
1122	+	[AC_MSG_ERROR(compile failed)])
1123	+	])
1124	+	# IEEE is the default format.  If the float endianness isn't the same
1125	+	# as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN
1126	+	# (which is a tristate: yes, no, default).  This is only an issue with
1127	+	# IEEE; the other formats are only supported by a few machines each,
1128	+	# all with the same endianness.
1129	+	format=IEEE_FLOAT_FORMAT
1130	+	fbigend=
1131	+	case $ac_cv_c_float_format in
1132	+	'IEEE (big-endian)' )
1133	+	if test $ac_cv_c_bigendian = no; then
1134	+	fbigend=1
1135	+	fi
1136	+	;;
1137	+	'IEEE (little-endian)' )
1138	+	if test $ac_cv_c_bigendian = yes; then
1139	+	fbigend=0
1140	+	fi
1141	+	;;
1142	+	'VAX D-float' )
1143	+	format=VAX_FLOAT_FORMAT
1144	+	;;
1145	+	'PDP-10' )
1146	+	format=PDP10_FLOAT_FORMAT
1147	+	;;
1148	+	'IBM 370 hex' )
1149	+	format=IBM_FLOAT_FORMAT
1150	+	;;
1151	+	esac
1152	+	AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format,
1153	+	[Define to the floating point format of the host machine.])
1154	+	if test -n "$fbigend"; then
1155	+	AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend,
1156	+	[Define to 1 if the host machine stores floating point numbers in
1157	+	memory with the word containing the sign bit at the lowest address,
1158	+	or to 0 if it does it the other way around.
1159	+
1160	+	This macro should not be defined if the ordering is the same as for
1161	+	multi-word integers.])
1162	+	fi
1163	+	])
1164	+
1165	+	dnl Check for host float format
1166	+	gcc_AC_C_FLOAT_FORMAT
1167	+
1168		dnl Platform specific binary postprocessor
1169		AC_PATH_PROG(BLESS, "true")
1170		if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then
#	Line 1034 | Line 1199 | fi
1199		AC_MSG_RESULT($HAVE_ICC)
1200
1201		dnl Determine the generated object format
1202	<	AC_CACHE_CHECK([whether the compiler can generate ELF objects],
1202	>	AC_CACHE_CHECK([the format of compiler generated objects],
1203		ac_cv_object_format, [
1204		echo 'int i;' > conftest.$ac_ext
1205		ac_cv_object_format=no
#	Line 1043 | Line 1208 | AC_CACHE_CHECK([whether the compiler can
1208		*"ELF"*)
1209		ac_cv_object_format=elf
1210		;;
1211	+	*"Mach-O"*)
1212	+	ac_cv_object_format=mach
1213	+	;;
1214		*)
1215		ac_cv_object_format=unknown
1216		;;
#	Line 1051 | Line 1219 | AC_CACHE_CHECK([whether the compiler can
1219		rm -rf conftest*
1220		])
1221
1222	+	dnl Add -fno-strict-aliasing for slirp sources
1223	+	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1224	+	SAVED_CFLAGS="$CFLAGS"
1225	+	CFLAGS="$CFLAGS -fno-strict-aliasing"
1226	+	AC_CACHE_CHECK([whether the compiler supports -fno-strict-aliasing],
1227	+	ac_cv_gcc_no_strict_aliasing, [
1228	+	AC_TRY_COMPILE([],[],
1229	+	[ac_cv_gcc_no_strict_aliasing=yes; AC_SUBST(SLIRP_CFLAGS, "-fno-strict-aliasing")],
1230	+	[ac_cv_gcc_no_strict_aliasing=no])
1231	+	])
1232	+	CFLAGS="$SAVED_CFLAGS"
1233	+	fi
1234	+
1235	+	dnl Add -mdynamic-no-pic for MacOS X
1236	+	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1237	+	SAVED_CFLAGS="$CFLAGS"
1238	+	CFLAGS="$CFLAGS -mdynamic-no-pic"
1239	+	AC_CACHE_CHECK([whether the compiler supports -mdynamic-no-pic],
1240	+	ac_cv_gcc_mdynamic_no_pic, [
1241	+	AC_TRY_COMPILE([],[],[ac_cv_gcc_mdynamic_no_pic=yes],[ac_cv_gcc_mdynamic_no_pic=no])
1242	+	])
1243	+	if [[ "x$ac_cv_gcc_mdynamic_no_pic" = "xyes" ]]; then
1244	+	CXXFLAGS="$CXXFLAGS -mdynamic-no-pic"
1245	+	else
1246	+	CFLAGS="$SAVED_CFLAGS"
1247	+	fi
1248	+	fi
1249	+
1250		dnl CPU emulator sources
1251		if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1252		CPUSRCS="\
1253		../kpx_cpu/src/mathlib/ieeefp.cpp \
1254	+	../kpx_cpu/src/mathlib/mathlib.cpp \
1255		../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \
1256		../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \
1257		../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \
#	Line 1075 | Line 1272 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1272		i?86:elf)
1273		ac_cv_use_dyngen=yes
1274		;;
1275	+	powerpc:mach)
1276	+	ac_cv_use_dyngen=yes
1277	+	;;
1278		*:*)
1279		ac_cv_use_dyngen=no
1280		;;
#	Line 1092 | Line 1292 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1292		done
1293		fi
1294		fi
1295	<	if [[ -z "$DYNGEN_CC" ]] || ! { echo '#include <limits>' | $DYNGEN_CC -xc++ -c -o /dev/null - >& /dev/null; }; then
1295	>	if [[ -z "$DYNGEN_CC" ]]; then
1296		ac_cv_use_dyngen=no
1297		fi
1298		])
#	Line 1100 | Line 1300 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1300		case $host_cpu in
1301		i?86)
1302		DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2"
1303	<	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1304	<	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
1305	<	else
1306	<	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
1303	>	;;
1304	>	powerpc)
1305	>	if [[ "x$ac_cv_object_format" = "xmach" ]]; then
1306	>	DYNGEN_OP_FLAGS="-mdynamic-no-pic"
1307		fi
1308		;;
1309		esac
1310	<	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000 -g0"
1310	>	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1311	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
1312	>	else
1313	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
1314	>	fi
1315	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000 -fno-exceptions -g0"
1316		if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1317		DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls"
1318		fi
#	Line 1133 | Line 1338 | if [[ "x$ac_cv_use_dyngen" = "xyes" ]];
1338		AC_CACHE_CHECK([whether static data regions are executable],
1339		ac_cv_have_static_data_exec, [
1340		AC_TRY_RUN([int main(void) {
1341	<	#if defined(__powerpc__)
1341	>	#if defined(__powerpc__) || defined(__ppc__)
1342		static unsigned int p[8] = {0x4e800020,};
1343		asm volatile("dcbst 0,%0" : : "r" (p) : "memory");
1344		asm volatile("sync" : : : "memory");

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