ViewVC Help

View File | Revision Log | Show Annotations | Revision Graph | Root Listing

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

Comparing SheepShaver/src/Unix/configure.ac (file contents):
Revision 1.25 by gbeauche, 2005-06-14T06:35:00Z vs.
Revision 1.48 by gbeauche, 2006-01-27T23:48:08Z

#	Line 1 | Line 1
1		dnl Process this file with autoconf to produce a configure script.
2		dnl Written in 2002 by Christian Bauer
3
4	<	AC_INIT([SheepShaver], 2.2, [Christian.Bauer@uni-mainz.de], SheepShaver)
4	>	AC_INIT([SheepShaver], 2.3, [Christian.Bauer@uni-mainz.de], SheepShaver)
5		AC_CONFIG_SRCDIR(main_unix.cpp)
6		AC_PREREQ(2.52)
7		AC_CONFIG_HEADER(config.h)
#	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=$enableval], [WANT_EMULATED_PPC=auto])
#	Line 118 | Line 125 | AC_SUBST(MONSRCS)
125
126		dnl Checks for libraries.
127		AC_CHECK_LIB(posix4, sem_init)
128	+	AC_CHECK_LIB(m, cos)
129
130		dnl Do we need SDL?
131		WANT_SDL=no
#	Line 135 | Line 143 | fi
143		if [[ "x$WANT_SDL" = "xyes" ]]; then
144		AC_PATH_PROG(sdl_config, "sdl-config")
145		if [[ -n "$sdl_config" ]]; then
146	<	case $target_os in
147	<	# Special treatment for Cygwin so that we can still use the POSIX layer
148	<	*cygwin*)
149	<	sdl_cflags="-I`$sdl_config --prefix`/include/SDL"
150	<	sdl_libs="-L`$sdl_config --exec-prefix`/lib -lSDL"
151	<	;;
144	<	*)
145	<	sdl_cflags=`$sdl_config --cflags`
146	<	if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
147	<	sdl_libs=`$sdl_config --static-libs`
148	<	else
149	<	sdl_libs=`$sdl_config --libs`
150	<	fi
151	<	;;
152	<	esac
146	>	sdl_cflags=`$sdl_config --cflags`
147	>	if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
148	>	sdl_libs=`$sdl_config --static-libs`
149	>	else
150	>	sdl_libs=`$sdl_config --libs`
151	>	fi
152		CFLAGS="$CFLAGS $sdl_cflags"
153		CXXFLAGS="$CXXFLAGS $sdl_cflags"
154		LIBS="$LIBS $sdl_libs"
#	Line 185 | Line 184 | no:linux*|no:netbsd*)
184		AC_CHECK_LIB(pthread, pthread_create, , [
185		AC_CHECK_LIB(c_r, pthread_create, , [
186		AC_CHECK_LIB(PTL, pthread_create, , [
187	<	AC_MSG_ERROR([You need pthreads to run Basilisk II.])
187	>	dnl XXX remove when no pthreads case is merged
188	>	AC_MSG_ERROR([You need pthreads to run SheepShaver.])
189	>	HAVE_PTHREADS=no
190		])
191		])
192		])
193		AC_CHECK_FUNCS(pthread_cancel)
194	+	AC_CHECK_FUNCS(pthread_cond_init pthread_testcancel)
195		AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
196		AC_CHECK_FUNCS(pthread_mutexattr_settype)
197		AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
196	–	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
197	–	AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
198	–	fi
198		dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
199		SEMSRC=
200		AC_CHECK_FUNCS(sem_init, , [
#	Line 205 | Line 204 | no:linux*|no:netbsd*)
204		])
205		;;
206		esac
207	+	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
208	+	AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
209	+	fi
210
211		dnl We use FBDev DGA if possible.
212		if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
#	Line 295 | Line 297 | AC_SYS_LARGEFILE
297		dnl Checks for header files.
298		AC_HEADER_STDC
299		AC_HEADER_SYS_WAIT
300	<	AC_CHECK_HEADERS(malloc.h)
300	>	AC_CHECK_HEADERS(malloc.h stdint.h)
301		AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h)
300	–	AC_CHECK_HEADERS(sys/time.h sys/times.h sys/socket.h)
302		AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h dirent.h)
303	<	AC_CHECK_HEADERS(linux/if.h, [], [], [
304	<	#if HAVE_SYS_SOCKET_H
305	<	# include <sys/socket.h>
303	>	AC_CHECK_HEADERS(sys/socket.h sys/ioctl.h sys/filio.h sys/bitypes.h sys/wait.h)
304	>	AC_CHECK_HEADERS(sys/time.h sys/poll.h sys/select.h arpa/inet.h)
305	>	AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h, [], [], [
306	>	#ifdef HAVE_SYS_TYPES_H
307	>	#include <sys/types.h>
308	>	#endif
309	>	#ifdef HAVE_SYS_SOCKET_H
310	>	#include <sys/socket.h>
311		#endif
312		])
313	<	AC_CHECK_HEADERS(linux/if_tun.h net/if.h net/if_tun.h)
313	>	AC_CHECK_HEADERS(AvailabilityMacros.h)
314	>	AC_CHECK_HEADERS(IOKit/storage/IOBlockStorageDevice.h)
315		AC_CHECK_HEADERS(fenv.h)
316
317		dnl Checks for typedefs, structures, and compiler characteristics.
#	Line 325 | Line 332 | AC_TYPE_SIGNAL
332		AC_HEADER_TIME
333		AC_STRUCT_TM
334
335	+	dnl Check whether sys/socket.h defines type socklen_t.
336	+	dnl (extracted from ac-archive/Miscellaneous)
337	+	AC_CACHE_CHECK([for socklen_t],
338	+	ac_cv_type_socklen_t, [
339	+	AC_TRY_COMPILE([
340	+	#include <sys/types.h>
341	+	#include <sys/socket.h>
342	+	], [socklen_t len = 42; return 0;],
343	+	ac_cv_type_socklen_t=yes, ac_cv_type_socklen_t=no,
344	+	dnl When cross-compiling, do not assume anything.
345	+	ac_cv_type_socklen_t="guessing no"
346	+	)
347	+	])
348	+	if [[ "x$ac_cv_type_socklen_t" != "xyes" ]]; then
349	+	AC_DEFINE(socklen_t, int, [Define to 'int' if <sys/types.h> doesn't define.])
350	+	fi
351	+
352		dnl Check whether struct sigaction has sa_restorer member.
353		AC_CACHE_CHECK([whether struct sigaction has sa_restorer],
354		ac_cv_signal_sa_restorer, [
#	Line 341 | Line 365 | if [[ "x$ac_cv_signal_sa_restorer" = "xy
365		fi
366
367		dnl Checks for library functions.
368	<	AC_CHECK_FUNCS(strdup strlcpy cfmakeraw)
368	>	AC_CHECK_FUNCS(strdup strerror strlcpy cfmakeraw)
369		AC_CHECK_FUNCS(nanosleep)
370		AC_CHECK_FUNCS(sigaction signal)
371		AC_CHECK_FUNCS(mmap mprotect munmap)
372		AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
373	<	AC_CHECK_FUNCS(posix_memalign memalign valloc)
374	<	AC_CHECK_FUNCS(exp2f log2f exp2 log2 trunc)
373	>	AC_CHECK_FUNCS(exp2f log2f exp2 log2)
374	>	AC_CHECK_FUNCS(floorf roundf ceilf truncf floor round ceil trunc)
375	>	AC_CHECK_FUNCS(poll inet_aton)
376
377		dnl Darwin seems to define mach_task_self() instead of task_self().
378		AC_CHECK_FUNCS(mach_task_self task_self)
#	Line 407 | Line 432 | AC_CHECK_FILE([/dev/ptc],
432		)
433		dnl (end of code from openssh-3.2.2p1 configure.ac)
434
435	+	dnl Check for systems where POSIX-style non-blocking I/O (O_NONBLOCK)
436	+	dnl doesn't work or is unimplemented. On these systems (mostly older
437	+	dnl ones), use the old BSD-style FIONBIO approach instead. [tcl.m4]
438	+	AC_CACHE_CHECK([FIONBIO vs. O_NONBLOCK for non-blocking I/O],
439	+	ac_cv_nonblocking_io, [
440	+	case "$host" in
441	+	*-*-osf*)
442	+	ac_cv_nonblocking_io=FIONBIO
443	+	;;
444	+	*-*-sunos4*)
445	+	ac_cv_nonblocking_io=FIONBIO
446	+	;;
447	+	*-*-ultrix*)
448	+	ac_cv_nonblocking_io=FIONBIO
449	+	;;
450	+	*)
451	+	ac_cv_nonblocking_io=O_NONBLOCK
452	+	;;
453	+	esac
454	+	])
455	+	if [[ "$ac_cv_nonblocking_io" = "FIONBIO" ]]; then
456	+	AC_DEFINE(USE_FIONBIO, 1, [Define if BSD-style non-blocking I/O is to be used])
457	+	fi
458	+
459	+	dnl Check whether compiler supports byte bit-fields
460	+	AC_CACHE_CHECK([whether compiler supports byte bit-fields],
461	+	ac_cv_have_byte_bitfields, [
462	+	AC_LANG_SAVE
463	+	AC_LANG_CPLUSPLUS
464	+	AC_TRY_RUN([
465	+	struct A {
466	+	unsigned char b1:4;
467	+	unsigned char b2:4;
468	+	unsigned char c;
469	+	unsigned short s;
470	+	unsigned char a[4];
471	+	};
472	+
473	+	int main(void) {
474	+	A a;
475	+	return ! (sizeof(A) == 8 && &a.c == ((unsigned char *)&a + 1));
476	+	}],
477	+	[ac_cv_have_byte_bitfields=yes],
478	+	[ac_cv_have_byte_bitfields=no],
479	+	dnl When cross-compiling, assume only GCC supports this
480	+	[if [[ "$GCC" = "yes" ]]; then
481	+	ac_cv_have_byte_bitfields="guessing yes"
482	+	else
483	+	ac_cv_have_byte_bitfields="guessing no"
484	+	fi]
485	+	)
486	+	AC_LANG_RESTORE
487	+	])
488	+
489		dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
490		AC_DEFUN(AC_CHECK_FRAMEWORK, [
491		AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
#	Line 415 | Line 494 | AC_DEFUN(AC_CHECK_FRAMEWORK, [
494		saved_LIBS="$LIBS"
495		LIBS="$LIBS -framework $1"
496		AC_TRY_LINK(
497	<	[$2], [int main(void) { return 0; }],
497	>	[$2], [],
498		[AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
499		)
500		])
#	Line 428 | Line 507 | AC_DEFUN(AC_CHECK_FRAMEWORK, [
507		dnl Check for some MacOS X frameworks
508		AC_CHECK_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>])
509		AC_CHECK_FRAMEWORK(IOKit, [#include <IOKit/IOKitLib.h>])
510	+	AC_CHECK_FRAMEWORK(CoreFoundation, [#include <CoreFoundation/CoreFoundation.h>])
511
512		dnl Select system-dependant sources.
513		SERIALSRC=serial_unix.cpp
#	Line 438 | Line 518 | EXTFSSRC=extfs_unix.cpp
518		EXTRASYSSRCS=
519		case "$target_os" in
520		linux*)
521	<	ETHERSRC=Linux/ether_linux.cpp
521	>	ETHERSRC=ether_unix.cpp
522		AUDIOSRC=audio_oss_esd.cpp
523		SCSISRC=Linux/scsi_linux.cpp
524		if [[ "x$EMULATED_PPC" = "xno" ]]; then
525	<	EXTRASYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c ppc_asm.S"
525	>	EXTRASYSSRCS="paranoia.cpp Linux/sheepthreads.c ppc_asm.S"
526		fi
527		;;
528	+	freebsd*)
529	+	ETHERSRC=ether_unix.cpp
530	+	;;
531		netbsd*)
532	+	ETHERSRC=ether_unix.cpp
533		if [[ "x$EMULATED_PPC" = "xno" ]]; then
534	<	EXTRASYSSRCS="NetBSD/paranoia.cpp NetBSD/sheepthreads.c ppc_asm.S"
534	>	EXTRASYSSRCS="paranoia.cpp NetBSD/sheepthreads.c ppc_asm.S"
535		fi
536		;;
537		darwin*)
538	+	ETHERSRC=ether_unix.cpp
539		if [[ "x$EMULATED_PPC" = "xno" ]]; then
540	<	EXTRASYSSRCS="Darwin/paranoia.cpp ppc_asm.S"
540	>	EXTRASYSSRCS="paranoia.cpp ppc_asm.S"
541		fi
542	<	if [[ "x$ac_cv_framework_IOKit" = "xyes" ]]; then
542	>	if [[ "x$ac_cv_framework_IOKit" = "xyes" -a "x$ac_cv_framework_CoreFoundation" = "xyes" ]]; then
543		EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/sys_darwin.cpp"
544		fi
545		if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
546		EXTFSSRC=../MacOSX/extfs_macosx.mm
547		fi
548		;;
549	<	cygwin*)
550	<	SERIALSRC="../dummy/serial_dummy.cpp"
549	>	irix*)
550	>	AUDIOSRC=Irix/audio_irix.cpp
551	>	LIBS="$LIBS -laudio"
552	>	WANT_ESD=no
553	>
554	>	dnl Check if our compiler supports -IPA (MIPSPro)
555	>	HAVE_IPA=no
556	>	ocflags="$CFLAGS"
557	>	CFLAGS=`echo " $CFLAGS -IPA" | sed -e "s/ -g //g"`
558	>	AC_MSG_CHECKING(if "-IPA" works)
559	>	dnl Do a test compile of an empty function
560	>	AC_TRY_COMPILE([#if defined __GNUC__
561	>	# error GCC does not support IPA yet
562	>	#endif],, [AC_MSG_RESULT(yes); HAVE_IPA=yes], AC_MSG_RESULT(no))
563	>	CFLAGS="$ocflags"
564	>	;;
565	>	esac
566	>
567	>	dnl Is the slirp library supported?
568	>	case "$ac_cv_have_byte_bitfields" in
569	>	yes|"guessing yes")
570	>	CAN_SLIRP=yes
571	>	ETHERSRC=ether_unix.cpp
572		;;
573		esac
574	+	if [[ -n "$CAN_SLIRP" ]]; then
575	+	AC_DEFINE(HAVE_SLIRP, 1, [Define if slirp library is supported])
576	+	SLIRP_SRCS="\
577	+	../slirp/bootp.c     ../slirp/ip_output.c  ../slirp/tcp_input.c  \
578	+	../slirp/cksum.c     ../slirp/mbuf.c       ../slirp/tcp_output.c \
579	+	../slirp/debug.c     ../slirp/misc.c       ../slirp/tcp_subr.c   \
580	+	../slirp/if.c        ../slirp/sbuf.c       ../slirp/tcp_timer.c  \
581	+	../slirp/ip_icmp.c   ../slirp/slirp.c      ../slirp/tftp.c       \
582	+	../slirp/ip_input.c  ../slirp/socket.c     ../slirp/udp.c"
583	+	fi
584	+	AC_SUBST(SLIRP_SRCS)
585
586		dnl SDL overrides
587		if [[ "x$WANT_SDL" = "xyes" ]]; then
#	Line 477 | Line 594 | if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; th
594		if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
595		EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx.cpp"
596		else
597	<	case "$target_os" in
481	<	cygwin*)
482	<	EXTRASYSSRCS="$EXTRASYSSRCS ../Windows/clip_windows.cpp"
483	<	;;
484	<	*)
485	<	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
486	<	;;
487	<	esac
597	>	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
598		fi
599		else
600		VIDEOSRCS="video_x.cpp"
#	Line 912 | Line 1022 | fi
1022
1023		dnl Check addressing mode to use
1024		AC_MSG_CHECKING([for addressing mode to use])
915	–	case "$os_target" in
916	–	cygwin*)
917	–	WANT_ADDRESSING_MODE="direct,cygwin-hack"
918	–	NATMEM_OFFSET=
919	–	;;
920	–	esac
1025		if [[ "$EMULATED_PPC" != "yes" ]]; then
1026		if [[ "$WANT_ADDRESSING_MODE" != "real" ]]; then
1027		AC_MSG_WARN([Running in native PowerPC mode, force use of Real Addressing.])
#	Line 999 | Line 1103 | EOF
1103		fi
1104		AC_MSG_RESULT($WANT_ADDRESSING_MODE)
1105
1106	+	dnl Utility macro used by next two tests.
1107	+	dnl AC_EXAMINE_OBJECT(C source code,
1108	+	dnl     commands examining object file,
1109	+	dnl     [commands to run if compile failed]):
1110	+	dnl
1111	+	dnl Compile the source code to an object file; then convert it into a
1112	+	dnl printable representation.  All unprintable characters and
1113	+	dnl asterisks (*) are replaced by dots (.).  All white space is
1114	+	dnl deleted.  Newlines (ASCII 0x10) in the input are preserved in the
1115	+	dnl output, but runs of newlines are compressed to a single newline.
1116	+	dnl Finally, line breaks are forcibly inserted so that no line is
1117	+	dnl longer than 80 columns and the file ends with a newline.  The
1118	+	dnl result of all this processing is in the file conftest.dmp, which
1119	+	dnl may be examined by the commands in the second argument.
1120	+	dnl
1121	+	AC_DEFUN([gcc_AC_EXAMINE_OBJECT],
1122	+	[AC_LANG_SAVE
1123	+	AC_LANG_C
1124	+	dnl Next bit cribbed from AC_TRY_COMPILE.
1125	+	cat > conftest.$ac_ext <<EOF
1126	+	[#line __oline__ "configure"
1127	+	#include "confdefs.h"
1128	+	$1
1129	+	]EOF
1130	+	if AC_TRY_EVAL(ac_compile); then
1131	+	od -c conftest.o |
1132	+	sed ['s/^[0-7]*[    ]*/ /
1133	+	s/\*/./g
1134	+	s/ \\n/*/g
1135	+	s/ [0-9][0-9][0-9]/./g
1136	+	s/  \\[^ ]/./g'] |
1137	+	tr -d '
1138	+	' | tr -s '*' '
1139	+	' | fold | sed '$a\
1140	+	' > conftest.dmp
1141	+	$2
1142	+	ifelse($3, , , else
1143	+	$3
1144	+	)dnl
1145	+	fi
1146	+	rm -rf conftest*
1147	+	AC_LANG_RESTORE])
1148	+
1149	+	dnl Floating point format probe.
1150	+	dnl The basic concept is the same as the above: grep the object
1151	+	dnl file for an interesting string.  We have to watch out for
1152	+	dnl rounding changing the values in the object, however; this is
1153	+	dnl handled by ignoring the least significant byte of the float.
1154	+	dnl
1155	+	dnl Does not know about VAX G-float or C4x idiosyncratic format.
1156	+	dnl It does know about PDP-10 idiosyncratic format, but this is
1157	+	dnl not presently supported by GCC.  S/390 "binary floating point"
1158	+	dnl is in fact IEEE (but maybe we should have that in EBCDIC as well
1159	+	dnl as ASCII?)
1160	+	dnl
1161	+	AC_DEFUN([gcc_AC_C_FLOAT_FORMAT],
1162	+	[AC_CACHE_CHECK(floating point format, ac_cv_c_float_format,
1163	+	[gcc_AC_EXAMINE_OBJECT(
1164	+	[/* This will not work unless sizeof(double) == 8.  */
1165	+	extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1];
1166	+
1167	+	/* This structure must have no internal padding.  */
1168	+	struct possibility {
1169	+	char prefix[8];
1170	+	double candidate;
1171	+	char postfix[8];
1172	+	};
1173	+
1174	+	#define C(cand) { "\nformat:", cand, ":tamrof\n" }
1175	+	struct possibility table [] =
1176	+	{
1177	+	C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */
1178	+	C( 3.53802595280598432000e+18), /* D__float - VAX */
1179	+	C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */
1180	+	C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */
1181	+	C(-5.22995989424860458374e+10)  /* IBMHEXFP - s/390 format, EBCDIC */
1182	+	};],
1183	+	[if   grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1184	+	ac_cv_c_float_format='IEEE (big-endian)'
1185	+	elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then
1186	+	ac_cv_c_float_format='IEEE (big-endian)'
1187	+	elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then
1188	+	ac_cv_c_float_format='IEEE (little-endian)'
1189	+	elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then
1190	+	ac_cv_c_float_format='IEEE (little-endian)'
1191	+	elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then
1192	+	ac_cv_c_float_format='VAX D-float'
1193	+	elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then
1194	+	ac_cv_c_float_format='PDP-10'
1195	+	elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1196	+	ac_cv_c_float_format='IBM 370 hex'
1197	+	else
1198	+	AC_MSG_ERROR(Unknown floating point format)
1199	+	fi],
1200	+	[AC_MSG_ERROR(compile failed)])
1201	+	])
1202	+	# IEEE is the default format.  If the float endianness isn't the same
1203	+	# as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN
1204	+	# (which is a tristate: yes, no, default).  This is only an issue with
1205	+	# IEEE; the other formats are only supported by a few machines each,
1206	+	# all with the same endianness.
1207	+	format=IEEE_FLOAT_FORMAT
1208	+	fbigend=
1209	+	case $ac_cv_c_float_format in
1210	+	'IEEE (big-endian)' )
1211	+	if test $ac_cv_c_bigendian = no; then
1212	+	fbigend=1
1213	+	fi
1214	+	;;
1215	+	'IEEE (little-endian)' )
1216	+	if test $ac_cv_c_bigendian = yes; then
1217	+	fbigend=0
1218	+	fi
1219	+	;;
1220	+	'VAX D-float' )
1221	+	format=VAX_FLOAT_FORMAT
1222	+	;;
1223	+	'PDP-10' )
1224	+	format=PDP10_FLOAT_FORMAT
1225	+	;;
1226	+	'IBM 370 hex' )
1227	+	format=IBM_FLOAT_FORMAT
1228	+	;;
1229	+	esac
1230	+	AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format,
1231	+	[Define to the floating point format of the host machine.])
1232	+	if test -n "$fbigend"; then
1233	+	AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend,
1234	+	[Define to 1 if the host machine stores floating point numbers in
1235	+	memory with the word containing the sign bit at the lowest address,
1236	+	or to 0 if it does it the other way around.
1237	+
1238	+	This macro should not be defined if the ordering is the same as for
1239	+	multi-word integers.])
1240	+	fi
1241	+	])
1242	+
1243	+	dnl Check for host float format
1244	+	gcc_AC_C_FLOAT_FORMAT
1245	+
1246		dnl Platform specific binary postprocessor
1247		AC_PATH_PROG(BLESS, "true")
1248		if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then
#	Line 1009 | Line 1253 | fi
1253		dnl Check for GCC 2.7 or higher.
1254		HAVE_GCC27=no
1255		AC_MSG_CHECKING(for GCC 2.7 or higher)
1256	<	AC_EGREP_CPP(xyes,
1257	<	[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5
1258	<	xyes
1259	<	#endif
1260	<	], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
1256	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5)
1257	>	# error gcc < 2.7
1258	>	typedef syntax error;
1259	>	#endif
1260	>	]])],
1261	>	[AC_MSG_RESULT(yes); HAVE_GCC27=yes],
1262	>	[AC_MSG_RESULT(no)])
1263
1264		dnl Check for GCC 3.0 or higher.
1265		HAVE_GCC30=no
1266		AC_MSG_CHECKING(for GCC 3.0 or higher)
1267	<	AC_EGREP_CPP(xyes,
1268	<	[#if __GNUC__ >= 3
1269	<	xyes
1270	<	#endif
1271	<	], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
1267	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ >= 3)
1268	>	# error gcc < 3
1269	>	typedef syntax error;
1270	>	#endif
1271	>	]])],
1272	>	[AC_MSG_RESULT(yes); HAVE_GCC30=yes],
1273	>	[AC_MSG_RESULT(no)])
1274
1275		dnl Check for ICC.
1276		AC_MSG_CHECKING(for ICC)
#	Line 1053 | Line 1301 | AC_CACHE_CHECK([the format of compiler g
1301		rm -rf conftest*
1302		])
1303
1304	+	dnl Add -fno-strict-aliasing for slirp sources
1305	+	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1306	+	SAVED_CFLAGS="$CFLAGS"
1307	+	CFLAGS="$CFLAGS -fno-strict-aliasing"
1308	+	AC_CACHE_CHECK([whether the compiler supports -fno-strict-aliasing],
1309	+	ac_cv_gcc_no_strict_aliasing, [
1310	+	AC_TRY_COMPILE([],[],
1311	+	[ac_cv_gcc_no_strict_aliasing=yes; AC_SUBST(SLIRP_CFLAGS, "-fno-strict-aliasing")],
1312	+	[ac_cv_gcc_no_strict_aliasing=no])
1313	+	])
1314	+	CFLAGS="$SAVED_CFLAGS"
1315	+	fi
1316	+
1317	+	dnl Add -mdynamic-no-pic for MacOS X (XXX icc10 will support MacOS X)
1318	+	if [[ "x$HAVE_GCC30" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1319	+	SAVED_CFLAGS="$CFLAGS"
1320	+	CFLAGS="$CFLAGS -mdynamic-no-pic"
1321	+	AC_CACHE_CHECK([whether the compiler supports -mdynamic-no-pic],
1322	+	ac_cv_gcc_mdynamic_no_pic, [
1323	+	AC_TRY_COMPILE([],[],[ac_cv_gcc_mdynamic_no_pic=yes],[ac_cv_gcc_mdynamic_no_pic=no])
1324	+	])
1325	+	if [[ "x$ac_cv_gcc_mdynamic_no_pic" = "xyes" ]]; then
1326	+	CXXFLAGS="$CXXFLAGS -mdynamic-no-pic"
1327	+	else
1328	+	CFLAGS="$SAVED_CFLAGS"
1329	+	fi
1330	+	fi
1331	+
1332		dnl CPU emulator sources
1333		if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1334		CPUSRCS="\
1335		../kpx_cpu/src/mathlib/ieeefp.cpp \
1336	+	../kpx_cpu/src/mathlib/mathlib.cpp \
1337		../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \
1338		../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \
1339		../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \
#	Line 1077 | Line 1354 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1354		i?86:elf)
1355		ac_cv_use_dyngen=yes
1356		;;
1357	+	mips:elf)
1358	+	ac_cv_use_dyngen=yes
1359	+	;;
1360		powerpc:mach)
1361		ac_cv_use_dyngen=yes
1362		;;
1363	+	i?86:mach)
1364	+	ac_cv_use_dyngen=yes
1365	+	;;
1366		*:*)
1367		ac_cv_use_dyngen=no
1368		;;
#	Line 1089 | Line 1372 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1372		if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1373		DYNGEN_CC=$CXX
1374		else
1375	<	for p in /usr/bin /usr/local/bin; do
1375	>	for p in /usr/bin /usr/local/bin /usr/freeware/bin; do
1376		gxx="$p/g++"
1377		if [[ -x "$gxx" ]]; then
1378		DYNGEN_CC="$gxx"
#	Line 1097 | Line 1380 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1380		done
1381		fi
1382		fi
1383	<	if [[ -z "$DYNGEN_CC" ]] || ! { echo '#include <limits>' | $DYNGEN_CC -xc++ -c -o /dev/null - >& /dev/null; }; then
1383	>	if [[ -z "$DYNGEN_CC" ]]; then
1384		ac_cv_use_dyngen=no
1385		fi
1386		])
1387		if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then
1388		case $host_cpu in
1389		i?86)
1390	<	DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2"
1390	>	DYNGEN_OP_FLAGS="-fomit-frame-pointer"
1391	>	;;
1392	>	mips)
1393	>	DYNGEN_OP_FLAGS="-fno-delayed-branch -mno-abicalls"
1394		;;
1395		powerpc)
1396		if [[ "x$ac_cv_object_format" = "xmach" ]]; then
#	Line 1112 | Line 1398 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1398		fi
1399		;;
1400		esac
1401	<	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1401	>	have_dyngen_gcc3=no
1402	>	case "x`$DYNGEN_CC -dumpversion`" in
1403	>	x[12].*) ;;
1404	>	x*) have_dyngen_gcc3=yes ;;
1405	>	esac
1406	>	if [[ "x$have_dyngen_gcc3" = "xyes" ]]; then
1407		DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
1408		else
1409		DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
1410		fi
1411	<	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000 -fno-exceptions -g0"
1412	<	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1411	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-functions -finline-limit=10000 -fno-exceptions -g0"
1412	>	if [[ "x$have_dyngen_gcc3" = "xyes" ]]; then
1413		DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls"
1414		fi
1415	+	if [[ "x$DYNGEN_CC" != "x$CXX" ]]; then
1416	+	DYNGEN_CFLAGS="-O2 $CFLAGS"
1417	+	DYNGEN_CXXFLAGS="-O2 $CXXFLAGS"
1418	+	else
1419	+	DYNGEN_CFLAGS="\$(CFLAGS)"
1420	+	DYNGEN_CXXFLAGS="\$(CXXFLAGS)"
1421	+	fi
1422		else
1423		WANT_JIT=no
1424		fi
#	Line 1169 | Line 1467 | if [[ "x$WANT_JIT" = "xyes" ]]; then
1467		CPPFLAGS="$CPPFLAGS -DUSE_JIT"
1468		fi
1469
1470	+	dnl Higher level optimizations with MIPSPro compilers are possible
1471	+	if [[ "x$HAVE_IPA" = "xyes" ]]; then
1472	+	CFLAGS="`echo $CFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA"
1473	+	CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA"
1474	+	CXXFLAGS="-LANG:std $CXXFLAGS"
1475	+	LDFLAGS="$LDFLAGS -O3 -OPT:Olimit=0 -IPA"
1476	+	fi
1477	+
1478		dnl Generate Makefile.
1479		AC_SUBST(PERL)
1480		AC_SUBST(USE_DYNGEN, [$ac_cv_use_dyngen])
1481		AC_SUBST(DYNGENSRCS)
1482		AC_SUBST(DYNGEN_CC)
1483	+	AC_SUBST(DYNGEN_CFLAGS)
1484	+	AC_SUBST(DYNGEN_CXXFLAGS)
1485		AC_SUBST(DYNGEN_OP_FLAGS)
1486		AC_SUBST(SYSSRCS)
1487		AC_SUBST(CPUSRCS)

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines