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 1.18 by gbeauche, 2005-03-05T19:07:35Z vs.
Revision 1.42 by gbeauche, 2005-12-04T16:26:57Z

#	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=$enableval], [WANT_EMULATED_PPC=auto])
27	+	AC_ARG_ENABLE(fbdev-dga,    [  --enable-fbdev-dga      use direct frame buffer access via /dev/fb0 [default=yes]], [WANT_FBDEV_DGA=$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=$withval], [WANT_ESD=yes])
32	<	AC_ARG_WITH(gtk,            [  --with-gtk              use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes])
32	>	AC_ARG_WITH(gtk,            [  --with-gtk              use GTK user interface [default=yes]],
33	>	[case "$withval" in
34	>	gtk1)      WANT_GTK="gtk";;
35	>	gtk|gtk2)  WANT_GTK="$withval";;
36	>	yes)       WANT_GTK="gtk2 gtk";;
37	>	*)         WANT_GTK="no";;
38	>	esac],
39	>	[WANT_GTK="gtk2 gtk"])
40		AC_ARG_WITH(mon,            [  --with-mon              use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes])
41		AC_ARG_WITH(dgcc,           [  --with-dgcc=COMPILER    use C++ COMPILER to compile synthetic opcodes], [DYNGEN_CC=$withval])
42
#	Line 110 | 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 127 | 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`$sdl_config --exec-prefix`/lib -lSDL"
151	<	;;
136	<	*)
137	<	sdl_cflags=`$sdl_config --cflags`
138	<	if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
139	<	sdl_libs=`$sdl_config --static-libs`
140	<	else
141	<	sdl_libs=`$sdl_config --libs`
142	<	fi
143	<	;;
144	<	esac
146	>	sdl_cflags=`$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 $sdl_libs"
#	Line 177 | Line 184 | no:linux*|no:netbsd*)
184		AC_CHECK_LIB(pthread, pthread_create, , [
185		AC_CHECK_LIB(c_r, pthread_create, , [
186		AC_CHECK_LIB(PTL, pthread_create, , [
187	<	AC_MSG_ERROR([You need pthreads to run Basilisk II.])
187	>	dnl XXX remove when no pthreads case is merged
188	>	AC_MSG_ERROR([You need pthreads to run SheepShaver.])
189	>	HAVE_PTHREADS=no
190		])
191		])
192		])
193		AC_CHECK_FUNCS(pthread_cancel)
194	+	AC_CHECK_FUNCS(pthread_cond_init pthread_testcancel)
195		AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
196		AC_CHECK_FUNCS(pthread_mutexattr_settype)
197		AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
188	–	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
189	–	AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
190	–	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 197 | 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
213	+	AC_CHECK_HEADER(linux/fb.h, [
214	+	AC_DEFINE(ENABLE_FBDEV_DGA, 1, [Define if using Linux fbdev extension.])
215	+	], [
216	+	AC_MSG_WARN([Could not find Linux FBDev extension, ignoring --enable-fbdev-dga.])
217	+	WANT_FBDEV_DGA=no
218	+	])
219	+	fi
220
221		dnl We use XFree86 DGA if possible.
222		if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
#	Line 222 | Line 242 | fi
242
243		dnl We use GTK+ if possible.
244		UISRCS=../dummy/prefs_editor_dummy.cpp
245	<	if [[ "x$WANT_GTK" = "xyes" ]]; then
245	>	case "x$WANT_GTK" in
246	>	xgtk2*)
247	>	AM_PATH_GTK_2_0(1.3.15, [
248	>	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
249	>	CFLAGS="$CFLAGS $GTK_CFLAGS"
250	>	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
251	>	LIBS="$LIBS $GTK_LIBS"
252	>	UISRCS=prefs_editor_gtk.cpp
253	>	WANT_GTK=gtk2
254	>	], [
255	>	case "x${WANT_GTK}x" in
256	>	*gtkx)
257	>	AC_MSG_WARN([Could not find GTK+ 2.0, trying with GTK+ 1.2.])
258	>	WANT_GTK=gtk
259	>	;;
260	>	*)
261	>	AC_MSG_WARN([Could not find GTK+, disabling user interface.])
262	>	WANT_GTK=no
263	>	;;
264	>	esac
265	>	])
266	>	;;
267	>	esac
268	>	if [[ "x$WANT_GTK" = "xgtk" ]]; then
269		AM_PATH_GTK(1.2.0, [
270		AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
271		CFLAGS="$CFLAGS $GTK_CFLAGS"
#	Line 254 | Line 297 | AC_SYS_LARGEFILE
297		dnl Checks for header files.
298		AC_HEADER_STDC
299		AC_HEADER_SYS_WAIT
300	<	AC_CHECK_HEADERS(malloc.h)
300	>	AC_CHECK_HEADERS(malloc.h stdint.h)
301		AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h)
259	–	AC_CHECK_HEADERS(sys/time.h sys/times.h sys/socket.h)
302		AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h dirent.h)
303	<	AC_CHECK_HEADERS(linux/if.h, [], [], [
304	<	#if HAVE_SYS_SOCKET_H
305	<	# include <sys/socket.h>
303	>	AC_CHECK_HEADERS(sys/socket.h sys/ioctl.h sys/filio.h sys/bitypes.h sys/wait.h)
304	>	AC_CHECK_HEADERS(sys/time.h sys/poll.h sys/select.h arpa/inet.h)
305	>	AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h, [], [], [
306	>	#ifdef HAVE_SYS_TYPES_H
307	>	#include <sys/types.h>
308	>	#endif
309	>	#ifdef HAVE_SYS_SOCKET_H
310	>	#include <sys/socket.h>
311		#endif
312		])
313	<	AC_CHECK_HEADERS(linux/if_tun.h net/if.h net/if_tun.h)
313	>	AC_CHECK_HEADERS(AvailabilityMacros.h)
314	>	AC_CHECK_HEADERS(IOKit/storage/IOBlockStorageDevice.h)
315		AC_CHECK_HEADERS(fenv.h)
316
317		dnl Checks for typedefs, structures, and compiler characteristics.
#	Line 284 | Line 332 | AC_TYPE_SIGNAL
332		AC_HEADER_TIME
333		AC_STRUCT_TM
334
335	+	dnl Check whether sys/socket.h defines type socklen_t.
336	+	dnl (extracted from ac-archive/Miscellaneous)
337	+	AC_CACHE_CHECK([for socklen_t],
338	+	ac_cv_type_socklen_t, [
339	+	AC_TRY_COMPILE([
340	+	#include <sys/types.h>
341	+	#include <sys/socket.h>
342	+	], [socklen_t len = 42; return 0;],
343	+	ac_cv_type_socklen_t=yes, ac_cv_type_socklen_t=no,
344	+	dnl When cross-compiling, do not assume anything.
345	+	ac_cv_type_socklen_t="guessing no"
346	+	)
347	+	])
348	+	if [[ "x$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 300 | Line 365 | if [[ "x$ac_cv_signal_sa_restorer" = "xy
365		fi
366
367		dnl Checks for library functions.
368	<	AC_CHECK_FUNCS(strdup strlcpy cfmakeraw)
368	>	AC_CHECK_FUNCS(strdup strerror strlcpy cfmakeraw)
369		AC_CHECK_FUNCS(nanosleep)
370		AC_CHECK_FUNCS(sigaction signal)
371		AC_CHECK_FUNCS(mmap mprotect munmap)
372		AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
373	<	AC_CHECK_FUNCS(posix_memalign memalign valloc)
374	<	AC_CHECK_FUNCS(exp2f log2f exp2 log2 trunc)
373	>	AC_CHECK_FUNCS(exp2f log2f exp2 log2)
374	>	AC_CHECK_FUNCS(floorf roundf ceilf truncf floor round ceil trunc)
375	>	AC_CHECK_FUNCS(poll inet_aton)
376
377		dnl Darwin seems to define mach_task_self() instead of task_self().
378		AC_CHECK_FUNCS(mach_task_self task_self)
#	Line 387 | Line 453 | AC_DEFUN(AC_CHECK_FRAMEWORK, [
453		dnl Check for some MacOS X frameworks
454		AC_CHECK_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>])
455		AC_CHECK_FRAMEWORK(IOKit, [#include <IOKit/IOKitLib.h>])
456	+	AC_CHECK_FRAMEWORK(CoreFoundation, [#include <CoreFoundation/CoreFoundation.h>])
457
458		dnl Select system-dependant sources.
459		SERIALSRC=serial_unix.cpp
#	Line 397 | Line 464 | EXTFSSRC=extfs_unix.cpp
464		EXTRASYSSRCS=
465		case "$target_os" in
466		linux*)
467	<	ETHERSRC=Linux/ether_linux.cpp
467	>	ETHERSRC=ether_unix.cpp
468		AUDIOSRC=audio_oss_esd.cpp
469		SCSISRC=Linux/scsi_linux.cpp
470		if [[ "x$EMULATED_PPC" = "xno" ]]; then
471	<	EXTRASYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c ppc_asm.S"
471	>	EXTRASYSSRCS="paranoia.cpp Linux/sheepthreads.c ppc_asm.S"
472		fi
473		;;
474	+	freebsd*)
475	+	ETHERSRC=ether_unix.cpp
476	+	;;
477		netbsd*)
478	+	ETHERSRC=ether_unix.cpp
479		if [[ "x$EMULATED_PPC" = "xno" ]]; then
480	<	EXTRASYSSRCS="NetBSD/paranoia.cpp NetBSD/sheepthreads.c ppc_asm.S"
480	>	EXTRASYSSRCS="paranoia.cpp NetBSD/sheepthreads.c ppc_asm.S"
481		fi
482		;;
483		darwin*)
484	+	ETHERSRC=ether_unix.cpp
485		if [[ "x$EMULATED_PPC" = "xno" ]]; then
486	<	EXTRASYSSRCS="Darwin/paranoia.cpp ppc_asm.S"
486	>	EXTRASYSSRCS="paranoia.cpp ppc_asm.S"
487		fi
488	<	if [[ "x$ac_cv_framework_IOKit" = "xyes" ]]; then
488	>	if [[ "x$ac_cv_framework_IOKit" = "xyes" -a "x$ac_cv_framework_CoreFoundation" = "xyes" ]]; then
489		EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/sys_darwin.cpp"
490		fi
491		if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
492		EXTFSSRC=../MacOSX/extfs_macosx.mm
493		fi
494		;;
495	<	cygwin*)
496	<	SERIALSRC="../dummy/serial_dummy.cpp"
495	>	irix*)
496	>	ETHERSRC=ether_unix.cpp
497	>	AUDIOSRC=Irix/audio_irix.cpp
498	>	LIBS="$LIBS -laudio"
499	>	WANT_ESD=no
500		;;
501		esac
502
503	+	dnl Is the slirp library supported?
504	+	if [[ "x$ETHERSRC" = "xether_unix.cpp" ]]; then
505	+	AC_DEFINE(HAVE_SLIRP, 1, [Define if slirp library is supported])
506	+	SLIRP_SRCS="\
507	+	../slirp/bootp.c     ../slirp/ip_output.c  ../slirp/tcp_input.c  \
508	+	../slirp/cksum.c     ../slirp/mbuf.c       ../slirp/tcp_output.c \
509	+	../slirp/debug.c     ../slirp/misc.c       ../slirp/tcp_subr.c   \
510	+	../slirp/if.c        ../slirp/sbuf.c       ../slirp/tcp_timer.c  \
511	+	../slirp/ip_icmp.c   ../slirp/slirp.c      ../slirp/tftp.c       \
512	+	../slirp/ip_input.c  ../slirp/socket.c     ../slirp/udp.c"
513	+	fi
514	+	AC_SUBST(SLIRP_SRCS)
515	+
516		dnl SDL overrides
517		if [[ "x$WANT_SDL" = "xyes" ]]; then
518		AC_DEFINE(USE_SDL, 1, [Define to enble SDL support.])
#	Line 436 | Line 524 | if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; th
524		if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
525		EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx.cpp"
526		else
527	<	case "$target_os" in
440	<	cygwin*)
441	<	EXTRASYSSRCS="$EXTRASYSSRCS ../Windows/clip_windows.cpp"
442	<	;;
443	<	*)
444	<	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
445	<	;;
446	<	esac
527	>	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
528		fi
529		else
530		VIDEOSRCS="video_x.cpp"
#	Line 871 | Line 952 | fi
952
953		dnl Check addressing mode to use
954		AC_MSG_CHECKING([for addressing mode to use])
874	–	case "$os_target" in
875	–	cygwin*)
876	–	WANT_ADDRESSING_MODE="direct,cygwin-hack"
877	–	NATMEM_OFFSET=
878	–	;;
879	–	esac
955		if [[ "$EMULATED_PPC" != "yes" ]]; then
956		if [[ "$WANT_ADDRESSING_MODE" != "real" ]]; then
957		AC_MSG_WARN([Running in native PowerPC mode, force use of Real Addressing.])
#	Line 958 | Line 1033 | EOF
1033		fi
1034		AC_MSG_RESULT($WANT_ADDRESSING_MODE)
1035
1036	+	dnl Utility macro used by next two tests.
1037	+	dnl AC_EXAMINE_OBJECT(C source code,
1038	+	dnl     commands examining object file,
1039	+	dnl     [commands to run if compile failed]):
1040	+	dnl
1041	+	dnl Compile the source code to an object file; then convert it into a
1042	+	dnl printable representation.  All unprintable characters and
1043	+	dnl asterisks (*) are replaced by dots (.).  All white space is
1044	+	dnl deleted.  Newlines (ASCII 0x10) in the input are preserved in the
1045	+	dnl output, but runs of newlines are compressed to a single newline.
1046	+	dnl Finally, line breaks are forcibly inserted so that no line is
1047	+	dnl longer than 80 columns and the file ends with a newline.  The
1048	+	dnl result of all this processing is in the file conftest.dmp, which
1049	+	dnl may be examined by the commands in the second argument.
1050	+	dnl
1051	+	AC_DEFUN([gcc_AC_EXAMINE_OBJECT],
1052	+	[AC_LANG_SAVE
1053	+	AC_LANG_C
1054	+	dnl Next bit cribbed from AC_TRY_COMPILE.
1055	+	cat > conftest.$ac_ext <<EOF
1056	+	[#line __oline__ "configure"
1057	+	#include "confdefs.h"
1058	+	$1
1059	+	]EOF
1060	+	if AC_TRY_EVAL(ac_compile); then
1061	+	od -c conftest.o |
1062	+	sed ['s/^[0-7]*[    ]*/ /
1063	+	s/\*/./g
1064	+	s/ \\n/*/g
1065	+	s/ [0-9][0-9][0-9]/./g
1066	+	s/  \\[^ ]/./g'] |
1067	+	tr -d '
1068	+	' | tr -s '*' '
1069	+	' | fold | sed '$a\
1070	+	' > conftest.dmp
1071	+	$2
1072	+	ifelse($3, , , else
1073	+	$3
1074	+	)dnl
1075	+	fi
1076	+	rm -rf conftest*
1077	+	AC_LANG_RESTORE])
1078	+
1079	+	dnl Floating point format probe.
1080	+	dnl The basic concept is the same as the above: grep the object
1081	+	dnl file for an interesting string.  We have to watch out for
1082	+	dnl rounding changing the values in the object, however; this is
1083	+	dnl handled by ignoring the least significant byte of the float.
1084	+	dnl
1085	+	dnl Does not know about VAX G-float or C4x idiosyncratic format.
1086	+	dnl It does know about PDP-10 idiosyncratic format, but this is
1087	+	dnl not presently supported by GCC.  S/390 "binary floating point"
1088	+	dnl is in fact IEEE (but maybe we should have that in EBCDIC as well
1089	+	dnl as ASCII?)
1090	+	dnl
1091	+	AC_DEFUN([gcc_AC_C_FLOAT_FORMAT],
1092	+	[AC_CACHE_CHECK(floating point format, ac_cv_c_float_format,
1093	+	[gcc_AC_EXAMINE_OBJECT(
1094	+	[/* This will not work unless sizeof(double) == 8.  */
1095	+	extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1];
1096	+
1097	+	/* This structure must have no internal padding.  */
1098	+	struct possibility {
1099	+	char prefix[8];
1100	+	double candidate;
1101	+	char postfix[8];
1102	+	};
1103	+
1104	+	#define C(cand) { "\nformat:", cand, ":tamrof\n" }
1105	+	struct possibility table [] =
1106	+	{
1107	+	C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */
1108	+	C( 3.53802595280598432000e+18), /* D__float - VAX */
1109	+	C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */
1110	+	C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */
1111	+	C(-5.22995989424860458374e+10)  /* IBMHEXFP - s/390 format, EBCDIC */
1112	+	};],
1113	+	[if   grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1114	+	ac_cv_c_float_format='IEEE (big-endian)'
1115	+	elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then
1116	+	ac_cv_c_float_format='IEEE (big-endian)'
1117	+	elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then
1118	+	ac_cv_c_float_format='IEEE (little-endian)'
1119	+	elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then
1120	+	ac_cv_c_float_format='IEEE (little-endian)'
1121	+	elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then
1122	+	ac_cv_c_float_format='VAX D-float'
1123	+	elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then
1124	+	ac_cv_c_float_format='PDP-10'
1125	+	elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1126	+	ac_cv_c_float_format='IBM 370 hex'
1127	+	else
1128	+	AC_MSG_ERROR(Unknown floating point format)
1129	+	fi],
1130	+	[AC_MSG_ERROR(compile failed)])
1131	+	])
1132	+	# IEEE is the default format.  If the float endianness isn't the same
1133	+	# as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN
1134	+	# (which is a tristate: yes, no, default).  This is only an issue with
1135	+	# IEEE; the other formats are only supported by a few machines each,
1136	+	# all with the same endianness.
1137	+	format=IEEE_FLOAT_FORMAT
1138	+	fbigend=
1139	+	case $ac_cv_c_float_format in
1140	+	'IEEE (big-endian)' )
1141	+	if test $ac_cv_c_bigendian = no; then
1142	+	fbigend=1
1143	+	fi
1144	+	;;
1145	+	'IEEE (little-endian)' )
1146	+	if test $ac_cv_c_bigendian = yes; then
1147	+	fbigend=0
1148	+	fi
1149	+	;;
1150	+	'VAX D-float' )
1151	+	format=VAX_FLOAT_FORMAT
1152	+	;;
1153	+	'PDP-10' )
1154	+	format=PDP10_FLOAT_FORMAT
1155	+	;;
1156	+	'IBM 370 hex' )
1157	+	format=IBM_FLOAT_FORMAT
1158	+	;;
1159	+	esac
1160	+	AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format,
1161	+	[Define to the floating point format of the host machine.])
1162	+	if test -n "$fbigend"; then
1163	+	AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend,
1164	+	[Define to 1 if the host machine stores floating point numbers in
1165	+	memory with the word containing the sign bit at the lowest address,
1166	+	or to 0 if it does it the other way around.
1167	+
1168	+	This macro should not be defined if the ordering is the same as for
1169	+	multi-word integers.])
1170	+	fi
1171	+	])
1172	+
1173	+	dnl Check for host float format
1174	+	gcc_AC_C_FLOAT_FORMAT
1175	+
1176		dnl Platform specific binary postprocessor
1177		AC_PATH_PROG(BLESS, "true")
1178		if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then
#	Line 968 | Line 1183 | fi
1183		dnl Check for GCC 2.7 or higher.
1184		HAVE_GCC27=no
1185		AC_MSG_CHECKING(for GCC 2.7 or higher)
1186	<	AC_EGREP_CPP(xyes,
1187	<	[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5
1188	<	xyes
1189	<	#endif
1190	<	], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
1186	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5)
1187	>	# error gcc < 2.7
1188	>	#endif
1189	>	]])],
1190	>	[AC_MSG_RESULT(yes); HAVE_GCC27=yes],
1191	>	[AC_MSG_RESULT(no)])
1192
1193		dnl Check for GCC 3.0 or higher.
1194		HAVE_GCC30=no
1195		AC_MSG_CHECKING(for GCC 3.0 or higher)
1196	<	AC_EGREP_CPP(xyes,
1197	<	[#if __GNUC__ >= 3
1198	<	xyes
1199	<	#endif
1200	<	], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
1196	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ >= 3)
1197	>	# error gcc < 3
1198	>	#endif
1199	>	]])],
1200	>	[AC_MSG_RESULT(yes); HAVE_GCC30=yes],
1201	>	[AC_MSG_RESULT(no)])
1202
1203		dnl Check for ICC.
1204		AC_MSG_CHECKING(for ICC)
#	Line 992 | Line 1209 | fi
1209		AC_MSG_RESULT($HAVE_ICC)
1210
1211		dnl Determine the generated object format
1212	<	AC_CACHE_CHECK([whether the compiler can generate ELF objects],
1212	>	AC_CACHE_CHECK([the format of compiler generated objects],
1213		ac_cv_object_format, [
1214		echo 'int i;' > conftest.$ac_ext
1215		ac_cv_object_format=no
#	Line 1001 | Line 1218 | AC_CACHE_CHECK([whether the compiler can
1218		*"ELF"*)
1219		ac_cv_object_format=elf
1220		;;
1221	+	*"Mach-O"*)
1222	+	ac_cv_object_format=mach
1223	+	;;
1224		*)
1225		ac_cv_object_format=unknown
1226		;;
#	Line 1009 | Line 1229 | AC_CACHE_CHECK([whether the compiler can
1229		rm -rf conftest*
1230		])
1231
1232	+	dnl Add -fno-strict-aliasing for slirp sources
1233	+	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1234	+	SAVED_CFLAGS="$CFLAGS"
1235	+	CFLAGS="$CFLAGS -fno-strict-aliasing"
1236	+	AC_CACHE_CHECK([whether the compiler supports -fno-strict-aliasing],
1237	+	ac_cv_gcc_no_strict_aliasing, [
1238	+	AC_TRY_COMPILE([],[],
1239	+	[ac_cv_gcc_no_strict_aliasing=yes; AC_SUBST(SLIRP_CFLAGS, "-fno-strict-aliasing")],
1240	+	[ac_cv_gcc_no_strict_aliasing=no])
1241	+	])
1242	+	CFLAGS="$SAVED_CFLAGS"
1243	+	fi
1244	+
1245	+	dnl Add -mdynamic-no-pic for MacOS X (XXX icc10 will support MacOS X)
1246	+	if [[ "x$HAVE_GCC30" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1247	+	SAVED_CFLAGS="$CFLAGS"
1248	+	CFLAGS="$CFLAGS -mdynamic-no-pic"
1249	+	AC_CACHE_CHECK([whether the compiler supports -mdynamic-no-pic],
1250	+	ac_cv_gcc_mdynamic_no_pic, [
1251	+	AC_TRY_COMPILE([],[],[ac_cv_gcc_mdynamic_no_pic=yes],[ac_cv_gcc_mdynamic_no_pic=no])
1252	+	])
1253	+	if [[ "x$ac_cv_gcc_mdynamic_no_pic" = "xyes" ]]; then
1254	+	CXXFLAGS="$CXXFLAGS -mdynamic-no-pic"
1255	+	else
1256	+	CFLAGS="$SAVED_CFLAGS"
1257	+	fi
1258	+	fi
1259	+
1260		dnl CPU emulator sources
1261		if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1262		CPUSRCS="\
1263		../kpx_cpu/src/mathlib/ieeefp.cpp \
1264	+	../kpx_cpu/src/mathlib/mathlib.cpp \
1265		../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \
1266		../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \
1267		../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \
#	Line 1033 | Line 1282 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1282		i?86:elf)
1283		ac_cv_use_dyngen=yes
1284		;;
1285	+	powerpc:mach)
1286	+	ac_cv_use_dyngen=yes
1287	+	;;
1288	+	i?86:mach)
1289	+	ac_cv_use_dyngen=yes
1290	+	;;
1291		*:*)
1292		ac_cv_use_dyngen=no
1293		;;
#	Line 1050 | Line 1305 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1305		done
1306		fi
1307		fi
1308	<	if [[ -z "$DYNGEN_CC" ]] || ! { echo '#include <limits>' | $DYNGEN_CC -xc++ -c -o /dev/null - >& /dev/null; }; then
1308	>	if [[ -z "$DYNGEN_CC" ]]; then
1309		ac_cv_use_dyngen=no
1310		fi
1311		])
#	Line 1058 | Line 1313 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1313		case $host_cpu in
1314		i?86)
1315		DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2"
1061	–	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1062	–	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
1063	–	else
1064	–	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
1065	–	fi
1066	–	saved_CPPFLAGS=$CPPFLAGS
1067	–	CPPFLAGS="$CPPFLAGS -mmmx"
1068	–	AC_CHECK_HEADERS(mmintrin.h,  [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -mmmx"])
1069	–	CPPFLAGS="$CPPFLAGS -msse"
1070	–	AC_CHECK_HEADERS(xmmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse"])
1071	–	CPPFLAGS="$CPPFLAGS -msse2"
1072	–	AC_CHECK_HEADERS(emmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse2"])
1073	–	CPPFLAGS=$saved_CPPFLAGS
1316		;;
1317	<	x86_64)
1318	<	AC_CHECK_HEADERS(mmintrin.h xmmintrin.h emmintrin.h)
1317	>	powerpc)
1318	>	if [[ "x$ac_cv_object_format" = "xmach" ]]; then
1319	>	DYNGEN_OP_FLAGS="-mdynamic-no-pic"
1320	>	fi
1321		;;
1322		esac
1323	<	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000 -g0"
1323	>	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1324	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
1325	>	else
1326	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
1327	>	fi
1328	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-functions -finline-limit=10000 -fno-exceptions -g0"
1329		if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1330		DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls"
1331		fi
#	Line 1102 | Line 1351 | if [[ "x$ac_cv_use_dyngen" = "xyes" ]];
1351		AC_CACHE_CHECK([whether static data regions are executable],
1352		ac_cv_have_static_data_exec, [
1353		AC_TRY_RUN([int main(void) {
1354	<	#if defined(__powerpc__)
1354	>	#if defined(__powerpc__) || defined(__ppc__)
1355		static unsigned int p[8] = {0x4e800020,};
1356		asm volatile("dcbst 0,%0" : : "r" (p) : "memory");
1357		asm volatile("sync" : : : "memory");
#	Line 1148 | Line 1397 | echo
1397		echo SheepShaver configuration summary:
1398		echo
1399		echo SDL support ...................... : $SDL_SUPPORT
1400	+	echo FBDev DGA support ................ : $WANT_FBDEV_DGA
1401		echo XFree86 DGA support .............. : $WANT_XF86_DGA
1402		echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
1403		echo Using PowerPC emulator ........... : $EMULATED_PPC

Diff Legend

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