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

Comparing SheepShaver/src/Unix/configure.ac (file contents):
Revision 1.8 by gbeauche, 2004-11-13T14:09:15Z vs.
Revision 1.44 by gbeauche, 2005-12-12T21:22:40Z

#	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 31 | Line 46 | AC_ARG_ENABLE(addressing,
46		[case "$enableval" in
47		real)        WANT_ADDRESSING_MODE="real";;
48		direct)      WANT_ADDRESSING_MODE="direct";;
49	<	direct,0x*)  WANT_ADDRESSING_MODE="direct"; NATMEM_OFFSET=`echo "$enableval" | sed -n '/direct,\(0[[xX]][[0-9A-Fa-f]]*\)/s//\1/p'`;;
49	>	direct,0x*)  WANT_ADDRESSING_MODE="direct"; NATMEM_OFFSET=`echo "$enableval" | sed -n '/direct,\(0[[xX]][[0-9A-Fa-f]]*\([[UuLl]]\{1,2\}\)\?\)$/s//\1/p'`;;
50		esac],
51		[WANT_ADDRESSING_MODE="real"]
52		)
#	Line 48 | Line 63 | AC_PROG_CXX
63		AC_PROG_MAKE_SET
64		AC_PROG_INSTALL
65		AC_PROG_EGREP
66	+	AC_PATH_PROGS(FILE, [file false])
67	+	AC_PATH_PROG(PERL, [perl])
68
69		dnl Check for PowerPC target CPU.
70		HAVE_PPC=no
#	Line 104 | Line 121 | if [[ "x$WANT_MON" = "xyes" ]]; then
121		WANT_MON=no
122		fi
123		fi
124	+	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 154 | if [[ "x$WANT_SDL" = "xyes" ]]; then
154		LIBS="$LIBS $sdl_libs"
155		else
156		WANT_SDL=no
157	+	WANT_SDL_VIDEO=no
158	+	WANT_SDL_AUDIO=no
159		fi
160		SDL_SUPPORT=`echo "$SDL_SUPPORT" | sed -e "s/^ //"`
161		else
#	Line 142 | Line 163 | else
163		fi
164
165		dnl We need X11, if not using SDL.
166	<	if [[ "x$WANT_SDL" = "xno" ]]; then
166	>	if [[ "x$WANT_SDL_VIDEO" != "xyes" ]]; then
167		AC_PATH_XTRA
168		if [[ "x$no_x" = "xyes" ]]; then
169		AC_MSG_ERROR([You need X11 to run SheepShaver.])
#	Line 155 | Line 176 | fi
176		dnl We need pthreads on non-PowerPC systems. Try libpthread first, then libc_r (FreeBSD), then PTL.
177		HAVE_PTHREADS=yes
178		case $EMULATED_PPC:$target_os in
179	<	no:linux*)
179	>	no:linux*|no:netbsd*)
180		dnl We do have our own pthread_cancel() implementation
181		AC_DEFINE(HAVE_PTHREAD_CANCEL, 1, [Define if you have the pthread_cancel function.])
182		;;
#	Line 163 | Line 184 | no:linux*)
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)
174	–	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
175	–	AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
176	–	fi
198		dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
199		SEMSRC=
200		AC_CHECK_FUNCS(sem_init, , [
#	Line 183 | Line 204 | no:linux*)
204		])
205		;;
206		esac
207	+	if [[ "x$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 208 | 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 $GTK_CFLAGS"
#	Line 240 | Line 297 | AC_SYS_LARGEFILE
297		dnl Checks for header files.
298		AC_HEADER_STDC
299		AC_HEADER_SYS_WAIT
300	+	AC_CHECK_HEADERS(malloc.h stdint.h)
301		AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h)
244	–	AC_CHECK_HEADERS(sys/time.h sys/times.h sys/socket.h)
302		AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h dirent.h)
303	<	AC_CHECK_HEADERS(linux/if.h, [], [], [
304	<	#if HAVE_SYS_SOCKET_H
305	<	# include <sys/socket.h>
303	>	AC_CHECK_HEADERS(sys/socket.h sys/ioctl.h sys/filio.h sys/bitypes.h sys/wait.h)
304	>	AC_CHECK_HEADERS(sys/time.h sys/poll.h sys/select.h arpa/inet.h)
305	>	AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h, [], [], [
306	>	#ifdef HAVE_SYS_TYPES_H
307	>	#include <sys/types.h>
308	>	#endif
309	>	#ifdef HAVE_SYS_SOCKET_H
310	>	#include <sys/socket.h>
311		#endif
312		])
313	<	AC_CHECK_HEADERS(linux/if_tun.h net/if.h net/if_tun.h)
313	>	AC_CHECK_HEADERS(AvailabilityMacros.h)
314	>	AC_CHECK_HEADERS(IOKit/storage/IOBlockStorageDevice.h)
315	>	AC_CHECK_HEADERS(fenv.h)
316
317		dnl Checks for typedefs, structures, and compiler characteristics.
318		AC_C_BIGENDIAN
#	Line 268 | Line 332 | AC_TYPE_SIGNAL
332		AC_HEADER_TIME
333		AC_STRUCT_TM
334
335	+	dnl Check whether sys/socket.h defines type socklen_t.
336	+	dnl (extracted from ac-archive/Miscellaneous)
337	+	AC_CACHE_CHECK([for socklen_t],
338	+	ac_cv_type_socklen_t, [
339	+	AC_TRY_COMPILE([
340	+	#include <sys/types.h>
341	+	#include <sys/socket.h>
342	+	], [socklen_t len = 42; return 0;],
343	+	ac_cv_type_socklen_t=yes, ac_cv_type_socklen_t=no,
344	+	dnl When cross-compiling, do not assume anything.
345	+	ac_cv_type_socklen_t="guessing no"
346	+	)
347	+	])
348	+	if [[ "x$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 284 | Line 365 | if [[ "x$ac_cv_signal_sa_restorer" = "xy
365		fi
366
367		dnl Checks for library functions.
368	<	AC_CHECK_FUNCS(strdup strlcpy cfmakeraw)
368	>	AC_CHECK_FUNCS(strdup strerror strlcpy cfmakeraw)
369		AC_CHECK_FUNCS(nanosleep)
370		AC_CHECK_FUNCS(sigaction signal)
371		AC_CHECK_FUNCS(mmap mprotect munmap)
372		AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
373	<	AC_CHECK_FUNCS(posix_memalign memalign valloc)
373	>	AC_CHECK_FUNCS(exp2f log2f exp2 log2)
374	>	AC_CHECK_FUNCS(floorf roundf ceilf truncf floor round ceil trunc)
375	>	AC_CHECK_FUNCS(poll inet_aton)
376
377		dnl Darwin seems to define mach_task_self() instead of task_self().
378		AC_CHECK_FUNCS(mach_task_self task_self)
#	Line 301 | Line 384 | no:linux*)
384		;;
385		*:*)
386		AC_SEARCH_LIBS(clock_gettime, [rt posix4])
387	<	AC_CHECK_FUNCS(clock_gettime)
387	>	AC_CHECK_FUNCS(clock_gettime clock_nanosleep)
388		;;
389		esac
390
391	+	dnl Check for headers and functions related to pty support (sshpty.c)
392	+	dnl From openssh-3.2.2p1 configure.ac
393	+	AC_CHECK_HEADERS(strings.h login.h sys/bsdtty.h sys/stat.h util.h pty.h)
394	+	AC_CHECK_FUNCS(_getpty vhangup strlcpy)
395	+
396	+	case "$host" in
397	+	*-*-hpux10.26)
398	+	disable_ptmx_check=yes
399	+	;;
400	+	*-*-linux*)
401	+	no_dev_ptmx=1
402	+	;;
403	+	mips-sony-bsd|mips-sony-newsos4)
404	+	AC_DEFINE(HAVE_NEWS4, 1, [Define if you are on NEWS-OS (additions from openssh-3.2.2p1, for sshpty.c).])
405	+	;;
406	+	*-*-sco3.2v4*)
407	+	no_dev_ptmx=1
408	+	;;
409	+	*-*-sco3.2v5*)
410	+	no_dev_ptmx=1
411	+	;;
412	+	*-*-cygwin*)
413	+	no_dev_ptmx=1
414	+	;;
415	+	esac
416	+
417	+	if test -z "$no_dev_ptmx" ; then
418	+	if test "x$disable_ptmx_check" != "xyes" ; then
419	+	AC_CHECK_FILE([/dev/ptmx],
420	+	[
421	+	AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX, 1, [Define if you have /dev/ptmx.])
422	+	have_dev_ptmx=1
423	+	]
424	+	)
425	+	fi
426	+	fi
427	+	AC_CHECK_FILE([/dev/ptc],
428	+	[
429	+	AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC, 1, [Define if you have /dev/ptc.])
430	+	have_dev_ptc=1
431	+	]
432	+	)
433	+	dnl (end of code from openssh-3.2.2p1 configure.ac)
434	+
435		dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
436		AC_DEFUN(AC_CHECK_FRAMEWORK, [
437		AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
#	Line 326 | Line 453 | AC_DEFUN(AC_CHECK_FRAMEWORK, [
453		dnl Check for some MacOS X frameworks
454		AC_CHECK_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>])
455		AC_CHECK_FRAMEWORK(IOKit, [#include <IOKit/IOKitLib.h>])
456	+	AC_CHECK_FRAMEWORK(CoreFoundation, [#include <CoreFoundation/CoreFoundation.h>])
457
458		dnl Select system-dependant sources.
459		SERIALSRC=serial_unix.cpp
#	Line 336 | Line 464 | EXTFSSRC=extfs_unix.cpp
464		EXTRASYSSRCS=
465		case "$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$EMULATED_PPC" = "xno" ]]; then
471	<	EXTRASYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c Linux/asm_linux.S"
471	>	EXTRASYSSRCS="paranoia.cpp Linux/sheepthreads.c ppc_asm.S"
472	>	fi
473	>	;;
474	>	freebsd*)
475	>	ETHERSRC=ether_unix.cpp
476	>	;;
477	>	netbsd*)
478	>	ETHERSRC=ether_unix.cpp
479	>	if [[ "x$EMULATED_PPC" = "xno" ]]; then
480	>	EXTRASYSSRCS="paranoia.cpp NetBSD/sheepthreads.c ppc_asm.S"
481		fi
482		;;
483		darwin*)
484	+	ETHERSRC=ether_unix.cpp
485		if [[ "x$EMULATED_PPC" = "xno" ]]; then
486	<	EXTRASYSSRCS="Darwin/paranoia.cpp Linux/asm_linux.S"
486	>	EXTRASYSSRCS="paranoia.cpp ppc_asm.S"
487		fi
488	<	if [[ "x$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	+	irix*)
496	+	ETHERSRC=ether_unix.cpp
497	+	AUDIOSRC=Irix/audio_irix.cpp
498	+	LIBS="$LIBS -laudio"
499	+	WANT_ESD=no
500	+
501	+	dnl Check if our compiler supports -IPA (MIPSPro)
502	+	HAVE_IPA=no
503	+	ocflags="$CFLAGS"
504	+	CFLAGS=`echo " $CFLAGS -IPA" | sed -e "s/ -g //g"`
505	+	AC_MSG_CHECKING(if "-IPA" works)
506	+	dnl Do a test compile of an empty function
507	+	AC_TRY_COMPILE([#if defined __GNUC__
508	+	# error GCC does not support IPA yet
509	+	#endif],, [AC_MSG_RESULT(yes); HAVE_IPA=yes], AC_MSG_RESULT(no))
510	+	CFLAGS="$ocflags"
511	+	;;
512		esac
513
514	+	dnl Is the slirp library supported?
515	+	if [[ "x$ETHERSRC" = "xether_unix.cpp" ]]; then
516	+	AC_DEFINE(HAVE_SLIRP, 1, [Define if slirp library is supported])
517	+	SLIRP_SRCS="\
518	+	../slirp/bootp.c     ../slirp/ip_output.c  ../slirp/tcp_input.c  \
519	+	../slirp/cksum.c     ../slirp/mbuf.c       ../slirp/tcp_output.c \
520	+	../slirp/debug.c     ../slirp/misc.c       ../slirp/tcp_subr.c   \
521	+	../slirp/if.c        ../slirp/sbuf.c       ../slirp/tcp_timer.c  \
522	+	../slirp/ip_icmp.c   ../slirp/slirp.c      ../slirp/tftp.c       \
523	+	../slirp/ip_input.c  ../slirp/socket.c     ../slirp/udp.c"
524	+	fi
525	+	AC_SUBST(SLIRP_SRCS)
526	+
527		dnl SDL overrides
528		if [[ "x$WANT_SDL" = "xyes" ]]; then
529		AC_DEFINE(USE_SDL, 1, [Define to enble SDL support.])
#	Line 379 | Line 547 | if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; th
547		AUDIOSRC="../SDL/audio_sdl.cpp"
548		fi
549
550	<	SYSSRCS="$VIDEOSRCS $EXTFSSRC $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
550	>	SYSSRCS="$VIDEOSRCS $EXTFSSRC $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $EXTRASYSSRCS"
551
552		dnl Define a macro that translates a yesno-variable into a C macro definition
553		dnl to be put into the config.h file
#	Line 683 | Line 851 | fi
851		AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions",
852		[Define if your system supports Mach exceptions.])
853
854	+	dnl Check if Windows exceptions are supported.
855	+	AC_CACHE_CHECK([whether your system supports Windows exceptions],
856	+	ac_cv_have_win32_exceptions, [
857	+	AC_LANG_SAVE
858	+	AC_LANG_CPLUSPLUS
859	+	AC_TRY_RUN([
860	+	#define HAVE_WIN32_EXCEPTIONS 1
861	+	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
862	+	#include "vm_alloc.cpp"
863	+	#include "sigsegv.cpp"
864	+	], [
865	+	sigsegv_recovery=win32
866	+	ac_cv_have_win32_exceptions=yes
867	+	],
868	+	ac_cv_have_win32_exceptions=no,
869	+	dnl When cross-compiling, do not assume anything.
870	+	ac_cv_have_win32_exceptions=no
871	+	)
872	+	AC_LANG_RESTORE
873	+	]
874	+	)
875	+	AC_TRANSLATE_DEFINE(HAVE_WIN32_EXCEPTIONS, "$ac_cv_have_win32_exceptions",
876	+	[Define if your system supports Windows exceptions.])
877	+
878		dnl Otherwise, check if extended signals are supported.
879		if [[ -z "$sigsegv_recovery" ]]; then
880		AC_CACHE_CHECK([whether your system supports extended signal handlers],
#	Line 821 | Line 1013 | int main(void)
1013		memset(m, 0, ranges[[i]].size);
1014		vm_release(m, ranges[[i]].size);
1015		if (i == n_ranges - 1) {
1016	<	printf("0x%08x\n", ofs);
1016	>	if (sizeof(void *) == 8 && ofs > 0xffffffff)
1017	>	printf("0x%lxul\n", ofs);
1018	>	else
1019	>	printf("0x%08x\n", ofs);
1020		return 0;
1021		}
1022		}
#	Line 833 | Line 1028 | EOF
1028		doit='$CXX conftest.$ac_ext -o conftest.$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS $LIBS $NATMEM_OFFSET_DEF >& AS_MESSAGE_LOG_FD'
1029		if AC_TRY_EVAL(doit); then
1030		NATMEM_OFFSET=`./conftest.$ac_exeext`
1031	<	if [[ -z "$NATMEM_OFFSET" ]]; then
1032	<	AC_MSG_ERROR([could not determine a sensible NATMEM_OFFSET value])
838	<	else
839	<	WANT_ADDRESSING_MODE="direct,$NATMEM_OFFSET"
840	<	fi
1031	>	else
1032	>	NATMEM_OFFSET=
1033		fi
1034		rm -f conftest*
1035		AC_LANG_RESTORE
1036	+
1037	+	if [[ -z "$NATMEM_OFFSET" ]]; then
1038	+	AC_MSG_ERROR([could not determine a sensible NATMEM_OFFSET value])
1039	+	else
1040	+	WANT_ADDRESSING_MODE="direct,$NATMEM_OFFSET"
1041	+	AC_DEFINE_UNQUOTED(NATMEM_OFFSET, $NATMEM_OFFSET,
1042	+	[Define constant offset for Mac address translation])
1043	+	fi
1044		fi
1045		AC_MSG_RESULT($WANT_ADDRESSING_MODE)
1046
1047	<	if [[ -z "$NATMEM_OFFSET" ]]; then
1048	<	NATMEM_OFFSET=0
1047	>	dnl Utility macro used by next two tests.
1048	>	dnl AC_EXAMINE_OBJECT(C source code,
1049	>	dnl     commands examining object file,
1050	>	dnl     [commands to run if compile failed]):
1051	>	dnl
1052	>	dnl Compile the source code to an object file; then convert it into a
1053	>	dnl printable representation.  All unprintable characters and
1054	>	dnl asterisks (*) are replaced by dots (.).  All white space is
1055	>	dnl deleted.  Newlines (ASCII 0x10) in the input are preserved in the
1056	>	dnl output, but runs of newlines are compressed to a single newline.
1057	>	dnl Finally, line breaks are forcibly inserted so that no line is
1058	>	dnl longer than 80 columns and the file ends with a newline.  The
1059	>	dnl result of all this processing is in the file conftest.dmp, which
1060	>	dnl may be examined by the commands in the second argument.
1061	>	dnl
1062	>	AC_DEFUN([gcc_AC_EXAMINE_OBJECT],
1063	>	[AC_LANG_SAVE
1064	>	AC_LANG_C
1065	>	dnl Next bit cribbed from AC_TRY_COMPILE.
1066	>	cat > conftest.$ac_ext <<EOF
1067	>	[#line __oline__ "configure"
1068	>	#include "confdefs.h"
1069	>	$1
1070	>	]EOF
1071	>	if AC_TRY_EVAL(ac_compile); then
1072	>	od -c conftest.o |
1073	>	sed ['s/^[0-7]*[    ]*/ /
1074	>	s/\*/./g
1075	>	s/ \\n/*/g
1076	>	s/ [0-9][0-9][0-9]/./g
1077	>	s/  \\[^ ]/./g'] |
1078	>	tr -d '
1079	>	' | tr -s '*' '
1080	>	' | fold | sed '$a\
1081	>	' > conftest.dmp
1082	>	$2
1083	>	ifelse($3, , , else
1084	>	$3
1085	>	)dnl
1086	>	fi
1087	>	rm -rf conftest*
1088	>	AC_LANG_RESTORE])
1089	>
1090	>	dnl Floating point format probe.
1091	>	dnl The basic concept is the same as the above: grep the object
1092	>	dnl file for an interesting string.  We have to watch out for
1093	>	dnl rounding changing the values in the object, however; this is
1094	>	dnl handled by ignoring the least significant byte of the float.
1095	>	dnl
1096	>	dnl Does not know about VAX G-float or C4x idiosyncratic format.
1097	>	dnl It does know about PDP-10 idiosyncratic format, but this is
1098	>	dnl not presently supported by GCC.  S/390 "binary floating point"
1099	>	dnl is in fact IEEE (but maybe we should have that in EBCDIC as well
1100	>	dnl as ASCII?)
1101	>	dnl
1102	>	AC_DEFUN([gcc_AC_C_FLOAT_FORMAT],
1103	>	[AC_CACHE_CHECK(floating point format, ac_cv_c_float_format,
1104	>	[gcc_AC_EXAMINE_OBJECT(
1105	>	[/* This will not work unless sizeof(double) == 8.  */
1106	>	extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1];
1107	>
1108	>	/* This structure must have no internal padding.  */
1109	>	struct possibility {
1110	>	char prefix[8];
1111	>	double candidate;
1112	>	char postfix[8];
1113	>	};
1114	>
1115	>	#define C(cand) { "\nformat:", cand, ":tamrof\n" }
1116	>	struct possibility table [] =
1117	>	{
1118	>	C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */
1119	>	C( 3.53802595280598432000e+18), /* D__float - VAX */
1120	>	C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */
1121	>	C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */
1122	>	C(-5.22995989424860458374e+10)  /* IBMHEXFP - s/390 format, EBCDIC */
1123	>	};],
1124	>	[if   grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1125	>	ac_cv_c_float_format='IEEE (big-endian)'
1126	>	elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then
1127	>	ac_cv_c_float_format='IEEE (big-endian)'
1128	>	elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then
1129	>	ac_cv_c_float_format='IEEE (little-endian)'
1130	>	elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then
1131	>	ac_cv_c_float_format='IEEE (little-endian)'
1132	>	elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then
1133	>	ac_cv_c_float_format='VAX D-float'
1134	>	elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then
1135	>	ac_cv_c_float_format='PDP-10'
1136	>	elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1137	>	ac_cv_c_float_format='IBM 370 hex'
1138	>	else
1139	>	AC_MSG_ERROR(Unknown floating point format)
1140	>	fi],
1141	>	[AC_MSG_ERROR(compile failed)])
1142	>	])
1143	>	# IEEE is the default format.  If the float endianness isn't the same
1144	>	# as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN
1145	>	# (which is a tristate: yes, no, default).  This is only an issue with
1146	>	# IEEE; the other formats are only supported by a few machines each,
1147	>	# all with the same endianness.
1148	>	format=IEEE_FLOAT_FORMAT
1149	>	fbigend=
1150	>	case $ac_cv_c_float_format in
1151	>	'IEEE (big-endian)' )
1152	>	if test $ac_cv_c_bigendian = no; then
1153	>	fbigend=1
1154	>	fi
1155	>	;;
1156	>	'IEEE (little-endian)' )
1157	>	if test $ac_cv_c_bigendian = yes; then
1158	>	fbigend=0
1159	>	fi
1160	>	;;
1161	>	'VAX D-float' )
1162	>	format=VAX_FLOAT_FORMAT
1163	>	;;
1164	>	'PDP-10' )
1165	>	format=PDP10_FLOAT_FORMAT
1166	>	;;
1167	>	'IBM 370 hex' )
1168	>	format=IBM_FLOAT_FORMAT
1169	>	;;
1170	>	esac
1171	>	AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format,
1172	>	[Define to the floating point format of the host machine.])
1173	>	if test -n "$fbigend"; then
1174	>	AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend,
1175	>	[Define to 1 if the host machine stores floating point numbers in
1176	>	memory with the word containing the sign bit at the lowest address,
1177	>	or to 0 if it does it the other way around.
1178	>
1179	>	This macro should not be defined if the ordering is the same as for
1180	>	multi-word integers.])
1181		fi
1182	<	AC_DEFINE_UNQUOTED(NATMEM_OFFSET, $NATMEM_OFFSET,
1183	<	[Define constant offset for Mac address translation])
1182	>	])
1183	>
1184	>	dnl Check for host float format
1185	>	gcc_AC_C_FLOAT_FORMAT
1186
1187		dnl Platform specific binary postprocessor
1188		AC_PATH_PROG(BLESS, "true")
#	Line 860 | Line 1194 | fi
1194		dnl Check for GCC 2.7 or higher.
1195		HAVE_GCC27=no
1196		AC_MSG_CHECKING(for GCC 2.7 or higher)
1197	<	AC_EGREP_CPP(xyes,
1198	<	[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5
1199	<	xyes
1200	<	#endif
1201	<	], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
1197	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5)
1198	>	# error gcc < 2.7
1199	>	typedef syntax error;
1200	>	#endif
1201	>	]])],
1202	>	[AC_MSG_RESULT(yes); HAVE_GCC27=yes],
1203	>	[AC_MSG_RESULT(no)])
1204
1205		dnl Check for GCC 3.0 or higher.
1206		HAVE_GCC30=no
1207		AC_MSG_CHECKING(for GCC 3.0 or higher)
1208	<	AC_EGREP_CPP(xyes,
1209	<	[#if __GNUC__ >= 3
1210	<	xyes
1211	<	#endif
1212	<	], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
1208	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ >= 3)
1209	>	# error gcc < 3
1210	>	typedef syntax error;
1211	>	#endif
1212	>	]])],
1213	>	[AC_MSG_RESULT(yes); HAVE_GCC30=yes],
1214	>	[AC_MSG_RESULT(no)])
1215
1216		dnl Check for ICC.
1217		AC_MSG_CHECKING(for ICC)
#	Line 883 | Line 1221 | if $CXX -V -v 2>&1 | grep -q "Intel(R) C
1221		fi
1222		AC_MSG_RESULT($HAVE_ICC)
1223
1224	<	dnl Test if the compiler can generate ELF objects
1225	<	AC_CACHE_CHECK([whether the compiler can generate ELF objects],
1226	<	ac_cv_elf_objects, [
1224	>	dnl Determine the generated object format
1225	>	AC_CACHE_CHECK([the format of compiler generated objects],
1226	>	ac_cv_object_format, [
1227		echo 'int i;' > conftest.$ac_ext
1228	<	ac_cv_elf_objects=no
1228	>	ac_cv_object_format=no
1229		if AC_TRY_EVAL(ac_compile); then
1230		case `/usr/bin/file conftest.$ac_objext` in
1231		*"ELF"*)
1232	<	ac_cv_elf_objects=yes
1232	>	ac_cv_object_format=elf
1233	>	;;
1234	>	*"Mach-O"*)
1235	>	ac_cv_object_format=mach
1236	>	;;
1237	>	*)
1238	>	ac_cv_object_format=unknown
1239		;;
1240		esac
1241		fi
1242		rm -rf conftest*
1243		])
1244	<	ELF_OBJECTS=$ac_cv_elf_objects
1244	>
1245	>	dnl Add -fno-strict-aliasing for slirp sources
1246	>	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1247	>	SAVED_CFLAGS="$CFLAGS"
1248	>	CFLAGS="$CFLAGS -fno-strict-aliasing"
1249	>	AC_CACHE_CHECK([whether the compiler supports -fno-strict-aliasing],
1250	>	ac_cv_gcc_no_strict_aliasing, [
1251	>	AC_TRY_COMPILE([],[],
1252	>	[ac_cv_gcc_no_strict_aliasing=yes; AC_SUBST(SLIRP_CFLAGS, "-fno-strict-aliasing")],
1253	>	[ac_cv_gcc_no_strict_aliasing=no])
1254	>	])
1255	>	CFLAGS="$SAVED_CFLAGS"
1256	>	fi
1257	>
1258	>	dnl Add -mdynamic-no-pic for MacOS X (XXX icc10 will support MacOS X)
1259	>	if [[ "x$HAVE_GCC30" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1260	>	SAVED_CFLAGS="$CFLAGS"
1261	>	CFLAGS="$CFLAGS -mdynamic-no-pic"
1262	>	AC_CACHE_CHECK([whether the compiler supports -mdynamic-no-pic],
1263	>	ac_cv_gcc_mdynamic_no_pic, [
1264	>	AC_TRY_COMPILE([],[],[ac_cv_gcc_mdynamic_no_pic=yes],[ac_cv_gcc_mdynamic_no_pic=no])
1265	>	])
1266	>	if [[ "x$ac_cv_gcc_mdynamic_no_pic" = "xyes" ]]; then
1267	>	CXXFLAGS="$CXXFLAGS -mdynamic-no-pic"
1268	>	else
1269	>	CFLAGS="$SAVED_CFLAGS"
1270	>	fi
1271	>	fi
1272
1273		dnl CPU emulator sources
1274		if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1275		CPUSRCS="\
1276	+	../kpx_cpu/src/mathlib/ieeefp.cpp \
1277	+	../kpx_cpu/src/mathlib/mathlib.cpp \
1278		../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \
1279		../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \
1280		../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \
#	Line 912 | Line 1285 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1285		if [[ "x$WANT_JIT" = "xyes" ]]; then
1286		AC_CACHE_CHECK([whether dyngen can be used],
1287		ac_cv_use_dyngen, [
1288	<	case $host_cpu:$ELF_OBJECTS in
1289	<	powerpc:yes)
1288	>	case $host_cpu:$ac_cv_object_format in
1289	>	powerpc:elf)
1290	>	ac_cv_use_dyngen=yes
1291	>	;;
1292	>	x86_64:elf)
1293	>	ac_cv_use_dyngen=yes
1294	>	;;
1295	>	i?86:elf)
1296	>	ac_cv_use_dyngen=yes
1297	>	;;
1298	>	mips:elf)
1299		ac_cv_use_dyngen=yes
1300		;;
1301	<	x86_64:yes)
1301	>	powerpc:mach)
1302		ac_cv_use_dyngen=yes
1303		;;
1304	<	i?86:yes)
1304	>	i?86:mach)
1305		ac_cv_use_dyngen=yes
1306		;;
1307		*:*)
#	Line 931 | Line 1313 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1313		if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1314		DYNGEN_CC=$CXX
1315		else
1316	<	for p in /usr/bin /usr/local/bin; do
1316	>	for p in /usr/bin /usr/local/bin /usr/freeware/bin; do
1317		gxx="$p/g++"
1318		if [[ -x "$gxx" ]]; then
1319		DYNGEN_CC="$gxx"
#	Line 939 | Line 1321 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1321		done
1322		fi
1323		fi
1324	<	if [[ -z "$DYNGEN_CC" ]] || ! { echo '#include <limits>' | $DYNGEN_CC -xc++ -c -o /dev/null - >& /dev/null; }; then
1324	>	if [[ -z "$DYNGEN_CC" ]]; then
1325		ac_cv_use_dyngen=no
1326		fi
1327		])
#	Line 947 | Line 1329 | if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1329		case $host_cpu in
1330		i?86)
1331		DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2"
950	–	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
951	–	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
952	–	else
953	–	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
954	–	fi
955	–	saved_CPPFLAGS=$CPPFLAGS
956	–	CPPFLAGS="$CPPFLAGS -mmmx"
957	–	AC_CHECK_HEADERS(mmintrin.h,  [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -mmmx"])
958	–	CPPFLAGS="$CPPFLAGS -msse"
959	–	AC_CHECK_HEADERS(xmmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse"])
960	–	CPPFLAGS="$CPPFLAGS -msse2"
961	–	AC_CHECK_HEADERS(emmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse2"])
962	–	CPPFLAGS=$saved_CPPFLAGS
1332		;;
1333	<	x86_64)
1334	<	AC_CHECK_HEADERS(mmintrin.h xmmintrin.h emmintrin.h)
1333	>	mips)
1334	>	DYNGEN_OP_FLAGS="-fno-delayed-branch -mno-abicalls"
1335	>	;;
1336	>	powerpc)
1337	>	if [[ "x$ac_cv_object_format" = "xmach" ]]; then
1338	>	DYNGEN_OP_FLAGS="-mdynamic-no-pic"
1339	>	fi
1340		;;
1341		esac
1342	<	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000"
1343	<	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1342	>	have_dyngen_gcc3=no
1343	>	case "x`$DYNGEN_CC -dumpversion`" in
1344	>	x[12].*) ;;
1345	>	x*) have_dyngen_gcc3=yes ;;
1346	>	esac
1347	>	if [[ "x$have_dyngen_gcc3" = "xyes" ]]; then
1348	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
1349	>	else
1350	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
1351	>	fi
1352	>	DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-functions -finline-limit=10000 -fno-exceptions -g0"
1353	>	if [[ "x$have_dyngen_gcc3" = "xyes" ]]; then
1354		DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls"
1355		fi
1356	+	if [[ "x$DYNGEN_CC" != "x$CXX" ]]; then
1357	+	DYNGEN_CFLAGS="-O2 $CFLAGS"
1358	+	DYNGEN_CXXFLAGS="-O2 $CXXFLAGS"
1359	+	else
1360	+	DYNGEN_CFLAGS="\$(CFLAGS)"
1361	+	DYNGEN_CXXFLAGS="\$(CXXFLAGS)"
1362	+	fi
1363		else
1364		WANT_JIT=no
1365		fi
#	Line 991 | Line 1382 | if [[ "x$ac_cv_use_dyngen" = "xyes" ]];
1382		AC_CACHE_CHECK([whether static data regions are executable],
1383		ac_cv_have_static_data_exec, [
1384		AC_TRY_RUN([int main(void) {
1385	<	#if defined(__powerpc__)
1385	>	#if defined(__powerpc__) || defined(__ppc__)
1386		static unsigned int p[8] = {0x4e800020,};
1387		asm volatile("dcbst 0,%0" : : "r" (p) : "memory");
1388		asm volatile("sync" : : : "memory");
#	Line 1007 | Line 1398 | if [[ "x$ac_cv_use_dyngen" = "xyes" ]];
1398		ac_cv_have_static_data_exec=no
1399		)
1400		])
1401	+	else
1402	+	ac_cv_use_dyngen=no
1403		fi
1404		AC_TRANSLATE_DEFINE(HAVE_STATIC_DATA_EXEC, "$ac_cv_have_static_data_exec",
1405		[Define if your system marks static data pages as executable.])
#	Line 1015 | Line 1408 | if [[ "x$WANT_JIT" = "xyes" ]]; then
1408		CPPFLAGS="$CPPFLAGS -DUSE_JIT"
1409		fi
1410
1411	+	dnl Higher level optimizations with MIPSPro compilers are possible
1412	+	if [[ "x$HAVE_IPA" = "xyes" ]]; then
1413	+	CFLAGS="`echo $CFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA"
1414	+	CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA"
1415	+	CXXFLAGS="-LANG:std $CXXFLAGS"
1416	+	LDFLAGS="$LDFLAGS -O3 -OPT:Olimit=0 -IPA"
1417	+	fi
1418	+
1419		dnl Generate Makefile.
1420	+	AC_SUBST(PERL)
1421	+	AC_SUBST(USE_DYNGEN, [$ac_cv_use_dyngen])
1422		AC_SUBST(DYNGENSRCS)
1423		AC_SUBST(DYNGEN_CC)
1424	+	AC_SUBST(DYNGEN_CFLAGS)
1425	+	AC_SUBST(DYNGEN_CXXFLAGS)
1426		AC_SUBST(DYNGEN_OP_FLAGS)
1427		AC_SUBST(SYSSRCS)
1428		AC_SUBST(CPUSRCS)
#	Line 1033 | Line 1438 | echo
1438		echo SheepShaver configuration summary:
1439		echo
1440		echo SDL support ...................... : $SDL_SUPPORT
1441	+	echo FBDev DGA support ................ : $WANT_FBDEV_DGA
1442		echo XFree86 DGA support .............. : $WANT_XF86_DGA
1443		echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
1444		echo Using PowerPC emulator ........... : $EMULATED_PPC

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