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

Comparing BasiliskII/src/Unix/configure.ac (file contents):
Revision 1.1 by gbeauche, 2002-09-16T13:29:33Z vs.
Revision 1.34 by gbeauche, 2004-11-08T21:07:07Z

#	Line 1 | Line 1
1		dnl Process this file with autoconf to produce a configure script.
2		dnl Written in 2002 by Christian Bauer et al.
3
4	<	AC_INIT(main_unix.cpp)
4	>	AC_INIT([Basilisk II], 1.0, [Christian.Bauer@uni-mainz.de], BasiliskII)
5	>	AC_CONFIG_SRCDIR(main_unix.cpp)
6		AC_PREREQ(2.52)
7		AC_CONFIG_HEADER(config.h)
8
9	<	dnl Options.
9	>	dnl Aliases for PACKAGE and VERSION macros.
10	>	AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE_NAME", [Define this program name.])
11	>	AC_DEFINE_UNQUOTED(VERSION, "$PACKAGE_VERSION", [Define this program version.])
12	>
13	>	dnl Some systems do not put corefiles in the currect directory, avoid saving
14	>	dnl cores for the configure tests since some are intended to dump core.
15	>	ulimit -c 0
16	>
17	>	dnl Video options.
18		AC_ARG_ENABLE(xf86-dga,      [  --enable-xf86-dga       use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes])
19		AC_ARG_ENABLE(xf86-vidmode,  [  --enable-xf86-vidmode   use the XFree86 VidMode extension [default=yes]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=yes])
20		AC_ARG_ENABLE(fbdev-dga,     [  --enable-fbdev-dga      use direct frame buffer access via /dev/fb [default=yes]], [WANT_FBDEV_DGA=$enableval], [WANT_FBDEV_DGA=yes])
21		AC_ARG_ENABLE(vosf,          [  --enable-vosf           enable video on SEGV signals [default=yes]], [WANT_VOSF=$enableval], [WANT_VOSF=yes])
22
23	+	dnl SDL options.
24	+	AC_ARG_ENABLE(sdl-video,     [  --enable-sdl-video      use SDL for video graphics [default=no]], [WANT_SDL_VIDEO=$enableval], [WANT_SDL_VIDEO=no])
25	+	AC_ARG_ENABLE(sdl-audio,     [  --enable-sdl-audio      use SDL for audio [default=no]], [WANT_SDL_AUDIO=$enableval], [WANT_SDL_AUDIO=no])
26	+
27	+	dnl JIT compiler options.
28	+	AC_ARG_ENABLE(jit-compiler,  [  --enable-jit-compiler   enable JIT compiler [default=no]], [WANT_JIT=$enableval], [WANT_JIT=no])
29	+	AC_ARG_ENABLE(jit-debug,     [  --enable-jit-debug      activate native code disassemblers [default=no]], [WANT_JIT_DEBUG=$enableval], [WANT_JIT_DEBUG=no])
30	+
31		dnl FPU emulation core.
32		AC_ARG_ENABLE(fpe,
33		[  --enable-fpe=FPE        specify which fpu emulator to use [default=auto]],
#	Line 65 | Line 82 | HAVE_I386=no
82		HAVE_M68K=no
83		HAVE_SPARC=no
84		HAVE_POWERPC=no
85	+	HAVE_X86_64=no
86		case "$target_cpu" in
87	<	i386* | i486* | i586* | i686* | i786* ) CPU_TYPE=i386 HAVE_I386=yes;;
88	<	m68k* ) CPU_TYPE=m68k HAVE_M68K=yes;;
89	<	sparc* ) CPU_TYPE=sparc HAVE_SPARC=yes;;
90	<	powerpc* ) CPU_TYPE=powerpc HAVE_POWERPC=yes;;
91	<	*) CPU_TYPE=`echo $target_cpu | sed -e 's/-/_/g'`;;
87	>	i386* | i486* | i586* | i686* | i786* ) HAVE_I386=yes;;
88	>	m68k* ) HAVE_M68K=yes;;
89	>	sparc* ) HAVE_SPARC=yes;;
90	>	powerpc* ) HAVE_POWERPC=yes;;
91	>	x86_64* ) HAVE_X86_64=yes;;
92		esac
75	–	DEFINES="$DEFINES -DCPU_$CPU_TYPE"
93
94		dnl Checks for programs.
95		AC_PROG_CC
#	Line 99 | Line 116 | if [[ "x$WANT_MON" = "xyes" ]]; then
116		AC_CHECK_LIB(Hcurses, tgetent, ,
117		AC_CHECK_LIB(curses, tgetent))))))
118		AC_CHECK_LIB(readline, readline)
102	–	AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
119		else
120		AC_MSG_RESULT(no)
121		AC_MSG_WARN([Could not find mon, ignoring --with-mon.])
#	Line 110 | Line 126 | fi
126		dnl Checks for libraries.
127		AC_CHECK_LIB(posix4, sem_init)
128		AC_CHECK_LIB(rt, timer_create)
129	+	AC_CHECK_LIB(rt, shm_open)
130
131	<	dnl We need X11.
132	<	AC_PATH_XTRA
133	<	if [[ "x$no_x" = "xyes" ]]; then
134	<	AC_MSG_ERROR([You need X11 to run Basilisk II.])
135	<	fi
136	<	CFLAGS="$CFLAGS $X_CFLAGS"
137	<	CXXFLAGS="$CXXFLAGS $X_CFLAGS"
138	<	LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
131	>	dnl Do we need SDL?
132	>	WANT_SDL=no
133	>	if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
134	>	WANT_SDL=yes
135	>	WANT_XF86_DGA=no
136	>	WANT_XF86_VIDMODE=no
137	>	WANT_FBDEV_DGA=no
138	>	SDL_SUPPORT="$SDL_SUPPORT video"
139	>	fi
140	>	if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
141	>	WANT_SDL=yes
142	>	SDL_SUPPORT="$SDL_SUPPORT audio"
143	>	fi
144	>	if [[ "x$WANT_SDL" = "xyes" ]]; then
145	>	AC_PATH_PROG(sdl_config, "sdl-config")
146	>	if [[ -n "$sdl_config" ]]; then
147	>	sdl_cflags=`$sdl_config --cflags`
148	>	sdl_libs=`$sdl_config --libs`
149	>	CFLAGS="$CFLAGS $sdl_cflags"
150	>	CXXFLAGS="$CXXFLAGS $sdl_cflags"
151	>	LIBS="$LIBS $sdl_libs"
152	>	else
153	>	WANT_SDL=no
154	>	fi
155	>	SDL_SUPPORT=`echo "$SDL_SUPPORT" | sed -e "s/^ //"`
156	>	else
157	>	SDL_SUPPORT="none"
158	>	fi
159	>
160	>	dnl We need X11, if not using SDL.
161	>	if [[ "x$WANT_SDL" = "xno" ]]; then
162	>	AC_PATH_XTRA
163	>	if [[ "x$no_x" = "xyes" ]]; then
164	>	AC_MSG_ERROR([You need X11 to run Basilisk II.])
165	>	fi
166	>	CFLAGS="$CFLAGS $X_CFLAGS"
167	>	CXXFLAGS="$CXXFLAGS $X_CFLAGS"
168	>	LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
169	>	fi
170
171		dnl We want pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL.
172		HAVE_PTHREADS=yes
#	Line 135 | Line 183 | fi
183		AC_CHECK_FUNCS(pthread_cancel)
184		AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
185		AC_CHECK_FUNCS(pthread_mutexattr_settype)
186	+	AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
187
188		dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
189		SEMSRC=
#	Line 181 | Line 230 | if [[ "x$WANT_GTK" = "xyes" ]]; then
230		CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
231		LIBS="$LIBS $GTK_LIBS"
232		UISRCS=prefs_editor_gtk.cpp
233	+	dnl somehow, <gnome-i18n.h> would redefine gettext() to nothing if
234	+	dnl ENABLE_NLS is not set, thusly conflicting with C++ <string> which
235	+	dnl includes <libintl.h>
236	+	AM_GNU_GETTEXT
237		B2_PATH_GNOMEUI([
238		AC_DEFINE(HAVE_GNOMEUI, 1, [Define if libgnomeui is available.])
239		CXXFLAGS="$CXXFLAGS $GNOMEUI_CFLAGS"
#	Line 210 | Line 263 | AC_SYS_LARGEFILE
263
264		dnl Checks for header files.
265		AC_HEADER_STDC
266	<	AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h sys/mman.h)
266	>	AC_CHECK_HEADERS(unistd.h fcntl.h sys/types.h sys/time.h sys/mman.h mach/mach.h)
267	>	AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
268	>	AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h)
269	>	AC_CHECK_HEADERS(AvailabilityMacros.h)
270
271		dnl Checks for typedefs, structures, and compiler characteristics.
272		AC_C_BIGENDIAN
#	Line 225 | Line 281 | AC_CHECK_SIZEOF(double, 8)
281		AC_CHECK_SIZEOF(long double, 12)
282		AC_CHECK_SIZEOF(void *, 4)
283		AC_TYPE_OFF_T
284	<	AC_CHECK_TYPE(loff_t, off_t)
285	<	AC_CHECK_TYPE(caddr_t, [char *])
284	>	AC_CHECK_TYPES(loff_t)
285	>	AC_CHECK_TYPES(caddr_t)
286		AC_TYPE_SIZE_T
287		AC_TYPE_SIGNAL
288		AC_HEADER_TIME
#	Line 303 | Line 359 | AC_CHECK_FILE([/dev/ptc],
359		dnl (end of code from openssh-3.2.2p1 configure.ac)
360
361
362	+	dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
363	+	AC_DEFUN(AC_CHECK_FRAMEWORK, [
364	+	AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
365	+	AC_CACHE_CHECK([whether compiler supports framework $1],
366	+	ac_Framework, [
367	+	saved_LIBS="$LIBS"
368	+	LIBS="$LIBS -framework $1"
369	+	AC_TRY_LINK(
370	+	[$2], [int main(void) { return 0; }],
371	+	[AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
372	+	)
373	+	])
374	+	AS_IF([test AS_VAR_GET(ac_Framework) = yes],
375	+	[AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])]
376	+	)
377	+	AS_VAR_POPDEF([ac_Framework])dnl
378	+	])
379	+
380	+	dnl Check for some MacOS X frameworks
381	+	AC_CHECK_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>])
382	+	AC_CHECK_FRAMEWORK(IOKit, [#include <IOKit/IOKitLib.h>])
383	+
384		dnl Select system-dependant source files.
385		SERIALSRC=serial_unix.cpp
386		ETHERSRC=../dummy/ether_dummy.cpp
#	Line 355 | Line 433 | irix*)
433		LIBS="$LIBS -laudio"
434		WANT_ESD=no
435
436	<	dnl Check if our compiler supports -Ofast (MIPSPro)
437	<	HAVE_OFAST=no
436	>	dnl Check if our compiler supports -IPA (MIPSPro)
437	>	HAVE_IPA=no
438		ocflags="$CFLAGS"
439	<	CFLAGS=`echo $CFLAGS | sed -e 's/ -g / -Ofast /;s/^-g /-Ofast /;s/-g$/ -Ofast/;s/^-g$/-Ofast/'`
440	<	AC_MSG_CHECKING(if "-Ofast" works)
439	>	CFLAGS=`echo "$CFLAGS -IPA" | sed -e "s/-g//g"`
440	>	AC_MSG_CHECKING(if "-IPA" works)
441		dnl Do a test compile of an empty function
442	<	AC_TRY_COMPILE(,, [AC_MSG_RESULT(yes); HAVE_OFAST=yes], AC_MSG_RESULT(no))
442	>	AC_TRY_COMPILE(,, [AC_MSG_RESULT(yes); HAVE_IPA=yes], AC_MSG_RESULT(no))
443		CFLAGS="$ocflags"
444	<
444	>	;;
445	>	darwin*)
446	>	if [[ "x$ac_cv_framework_IOKit" = "xyes" ]]; then
447	>	EXTRASYSSRCS="../MacOSX/sys_darwin.cpp"
448	>	fi
449		;;
450		esac
451	+	dnl SDL overrides
452	+	if [[ "x$WANT_SDL" = "xyes" ]]; then
453	+	AC_DEFINE(USE_SDL, 1, [Define to enble SDL support])
454	+	fi
455	+	if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
456	+	AC_DEFINE(USE_SDL_VIDEO, 1, [Define to enable SDL video graphics support])
457	+	VIDEOSRCS="../SDL/video_sdl.cpp"
458	+	KEYCODES="../SDL/keycodes"
459	+	if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
460	+	EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx.cpp"
461	+	else
462	+	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
463	+	fi
464	+	else
465	+	VIDEOSRCS="video_x.cpp"
466	+	KEYCODES="keycodes"
467	+	EXTRASYSSRCS="$EXTRASYSSRCS clip_unix.cpp"
468	+	fi
469	+	if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
470	+	AC_DEFINE(USE_SDL_AUDIO, 1, [Define to enable SDL audio support])
471	+	AUDIOSRC="../SDL/audio_sdl.cpp"
472	+	fi
473
474		dnl Use 68k CPU natively?
475		WANT_NATIVE_M68K=no
#	Line 381 | Line 485 | if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
485		ETHERSRC=../dummy/ether_dummy.cpp
486		AUDIOSRC=../dummy/audio_dummy.cpp
487		fi
488	<	SYSSRCS="$SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
488	>	SYSSRCS="$VIDEOSRCS $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
489
490		dnl Define a macro that translates a yesno-variable into a C macro definition
491		dnl to be put into the config.h file
#	Line 394 | Line 498 | AC_DEFUN(AC_TRANSLATE_DEFINE, [
498		fi
499		])
500
501	+	dnl Check that the host supports TUN/TAP devices
502	+	AC_CACHE_CHECK([whether TUN/TAP is supported],
503	+	ac_cv_tun_tap_support, [
504	+	AC_TRY_COMPILE([
505	+	#if defined(HAVE_LINUX_IF_H) && defined(HAVE_LINUX_IF_TUN_H)
506	+	#include <linux/if.h>
507	+	#include <linux/if_tun.h>
508	+	#endif
509	+	#if defined(HAVE_NET_IF_H) && defined(HAVE_NET_IF_TUN_H)
510	+	#include <net/if.h>
511	+	#include <net/if_tun.h>
512	+	#endif
513	+	], [
514	+	struct ifreq ifr;
515	+	memset(&ifr, 0, sizeof(ifr));
516	+	ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
517	+	],
518	+	ac_cv_tun_tap_support=yes, ac_cv_tun_tap_support=no
519	+	)
520	+	])
521	+	AC_TRANSLATE_DEFINE(ENABLE_TUNTAP, "$ac_cv_tun_tap_support",
522	+	[Define if your system supports TUN/TAP devices.])
523	+
524		dnl Various checks if the system supports vm_allocate() and the like functions.
525		have_mach_vm=no
526		if [[ "x$ac_cv_func_vm_allocate" = "xyes" -a "x$ac_cv_func_vm_deallocate" = "xyes" -a \
#	Line 540 | Line 667 | AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_
667
668		fi dnl HAVE_MMAP_VM
669
670	+	dnl Check if we can modify the __PAGEZERO segment for use as Low Memory
671	+	AC_CACHE_CHECK([whether __PAGEZERO can be Low Memory area 0x0000-0x2000],
672	+	ac_cv_pagezero_hack, [
673	+	ac_cv_pagezero_hack=no
674	+	if AC_TRY_COMMAND([Darwin/testlmem.sh 0x2000]); then
675	+	ac_cv_pagezero_hack=yes
676	+	dnl might as well skip the test for mmap-able low memory
677	+	ac_cv_can_map_lm=no
678	+	fi
679	+	])
680	+	AC_TRANSLATE_DEFINE(PAGEZERO_HACK, "$ac_cv_pagezero_hack",
681	+	[Define if the __PAGEZERO Mach-O Low Memory Globals hack works on this system.])
682	+
683		dnl Check if we can mmap 0x2000 bytes from 0x0000
684		AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x2000],
685		ac_cv_can_map_lm, [
#	Line 548 | Line 688 | AC_CACHE_CHECK([whether we can map Low M
688		AC_TRY_RUN([
689		#include "vm_alloc.cpp"
690		int main(void) { /* returns 0 if we could map the lowmem globals */
691	<	volatile char * lm;
691	>	volatile char * lm = 0;
692		if (vm_init() < 0) exit(1);
693	<	if ((lm = (volatile char *)vm_acquire_fixed(0, 0x2000)) == VM_MAP_FAILED) exit(1);
693	>	if (vm_acquire_fixed(0, 0x2000) < 0) exit(1);
694		lm[0] = 'z';
695		if (vm_release((char *)lm, 0x2000) < 0) exit(1);
696		vm_exit(); exit(0);
#	Line 563 | Line 703 | AC_CACHE_CHECK([whether we can map Low M
703		]
704		)
705
706	+	dnl Check if we have POSIX shared memory support
707	+	AC_CACHE_CHECK([whether POSIX shared memory is working],
708	+	ac_cv_have_posix_shm, [
709	+	AC_LANG_SAVE
710	+	AC_LANG_CPLUSPLUS
711	+	AC_TRY_RUN([
712	+	#define HAVE_POSIX_SHM
713	+	#include "vm_alloc.cpp"
714	+	int main(void) { /* returns 0 if we have working POSIX shm */
715	+	if (vm_init() < 0) exit(2);
716	+	char *m1 = (char *)vm_acquire(32768, VM_MAP_DEFAULT | VM_MAP_33BIT);
717	+	if (m1 == VM_MAP_FAILED) exit(3);
718	+	vm_exit(); exit(0);
719	+	}
720	+	], ac_cv_have_posix_shm=yes, ac_cv_have_posix_shm=no,
721	+	dnl When cross-compiling, do not assume anything.
722	+	ac_cv_have_posix_shm="guessing no"
723	+	)
724	+	AC_LANG_RESTORE
725	+	]
726	+	)
727	+	AC_TRANSLATE_DEFINE(HAVE_POSIX_SHM, "$ac_cv_have_posix_shm",
728	+	[Define if your system supports POSIX shared memory.])
729	+
730	+	dnl Check if we have working 33-bit memory addressing
731	+	AC_CACHE_CHECK([whether 33-bit memory addressing is working],
732	+	ac_cv_have_33bit_addressing, [
733	+	AC_LANG_SAVE
734	+	AC_LANG_CPLUSPLUS
735	+	AC_TRY_RUN([
736	+	#define USE_33BIT_ADDRESSING 1
737	+	#include "vm_alloc.cpp"
738	+	int main(void) { /* returns 0 if we have working 33-bit addressing */
739	+	if (sizeof(void *) < 8) exit(1);
740	+	if (vm_init() < 0) exit(2);
741	+	char *m1 = (char *)vm_acquire(32768, VM_MAP_DEFAULT | VM_MAP_33BIT);
742	+	if (m1 == VM_MAP_FAILED) exit(3);
743	+	char *m2 = m1 + (1L << 32);
744	+	m1[0] = 0x12; if (m2[0] != 0x12) exit(4);
745	+	m2[0] = 0x34; if (m1[0] != 0x34) exit(5);
746	+	vm_exit(); exit(0);
747	+	}
748	+	], ac_cv_have_33bit_addressing=yes, ac_cv_have_33bit_addressing=no,
749	+	dnl When cross-compiling, do not assume anything.
750	+	ac_cv_have_33bit_addressing="guessing no"
751	+	)
752	+	AC_LANG_RESTORE
753	+	]
754	+	)
755	+
756		dnl Check signal handlers need to be reinstalled
757		AC_CACHE_CHECK([whether signal handlers need to be reinstalled],
758		ac_cv_signal_need_reinstall, [
#	Line 624 | Line 814 | AC_CACHE_CHECK([whether sigaction handle
814		AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall",
815		[Define if your system requires sigactions to be reinstalled.])
816
817	<	dnl Check if extended signals are supported.
818	<	AC_CACHE_CHECK([whether your system supports extended signal handlers],
819	<	ac_cv_have_extended_signals, [
817	>	dnl Check if Mach exceptions supported.
818	>	AC_CACHE_CHECK([whether your system supports Mach exceptions],
819	>	ac_cv_have_mach_exceptions, [
820		AC_LANG_SAVE
821		AC_LANG_CPLUSPLUS
822		AC_TRY_RUN([
823	<	#define HAVE_SIGINFO_T 1
823	>	#define HAVE_MACH_EXCEPTIONS 1
824		#define CONFIGURE_TEST_SIGSEGV_RECOVERY
825		#include "vm_alloc.cpp"
826		#include "sigsegv.cpp"
827	<	], ac_cv_have_extended_signals=yes, ac_cv_have_extended_signals=no,
827	>	], [
828	>	sigsegv_recovery=mach
829	>	ac_cv_have_mach_exceptions=yes
830	>	],
831	>	ac_cv_have_mach_exceptions=no,
832		dnl When cross-compiling, do not assume anything.
833	<	ac_cv_have_extended_signals=no
833	>	ac_cv_have_mach_exceptions=no
834		)
835		AC_LANG_RESTORE
836		]
837		)
838	<	AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals",
839	<	[Define if your system support extended signals.])
838	>	AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions",
839	>	[Define if your system supports Mach exceptions.])
840	>
841	>	dnl Otherwise, check if extended signals are supported.
842	>	if [[ -z "$sigsegv_recovery" ]]; then
843	>	AC_CACHE_CHECK([whether your system supports extended signal handlers],
844	>	ac_cv_have_extended_signals, [
845	>	AC_LANG_SAVE
846	>	AC_LANG_CPLUSPLUS
847	>	AC_TRY_RUN([
848	>	#define HAVE_SIGINFO_T 1
849	>	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
850	>	#include "vm_alloc.cpp"
851	>	#include "sigsegv.cpp"
852	>	], [
853	>	sigsegv_recovery=siginfo
854	>	ac_cv_have_extended_signals=yes
855	>	],
856	>	ac_cv_have_extended_signals=no,
857	>	dnl When cross-compiling, do not assume anything.
858	>	ac_cv_have_extended_signals=no
859	>	)
860	>	AC_LANG_RESTORE
861	>	]
862	>	)
863	>	AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals",
864	>	[Define if your system support extended signals.])
865	>	fi
866
867		dnl Otherwise, check for subterfuges.
868	<	if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
868	>	if [[ -z "$sigsegv_recovery" ]]; then
869		AC_CACHE_CHECK([whether we then have a subterfuge for your system],
870		ac_cv_have_sigcontext_hack, [
871		AC_LANG_SAVE
#	Line 655 | Line 875 | if [[ "x$ac_cv_have_extended_signals" =
875		#define CONFIGURE_TEST_SIGSEGV_RECOVERY
876		#include "vm_alloc.cpp"
877		#include "sigsegv.cpp"
878	<	], ac_cv_have_sigcontext_hack=yes, ac_cv_have_sigcontext_hack=no,
878	>	], [
879	>	sigsegv_recovery=sigcontext
880	>	ac_cv_have_sigcontext_hack=yes
881	>	],
882	>	ac_cv_have_sigcontext_hack=no,
883		dnl When cross-compiling, do not assume anything.
884		ac_cv_have_sigcontext_hack=no
885		)
#	Line 687 | Line 911 | AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_IN
911
912		dnl Can we do Video on SEGV Signals ?
913		CAN_VOSF=no
914	<	if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
914	>	if [[ -n "$sigsegv_recovery" ]]; then
915		CAN_VOSF=yes
916		fi
917
918	+	dnl A dummy program that returns always true
919	+	AC_PATH_PROG([BLESS], "true")
920	+
921		dnl Determine the addressing mode to use
922		if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
923		ADDRESSING_MODE="real"
#	Line 701 | Line 928 | else
928		case $am in
929		real)
930		dnl Requires ability to mmap() Low Memory globals
931	<	if [[ "x$ac_cv_can_map_lm" = "xno" ]]; then
931	>	if [[ "x$ac_cv_can_map_lm$ac_cv_pagezero_hack" = "xnono" ]]; then
932		continue
933		fi
934	<	dnl Requires VOSF screen updates
934	>	dnl Requires VOSF screen updates
935		if [[ "x$CAN_VOSF" = "xno" ]]; then
936		continue
937		fi
#	Line 712 | Line 939 | else
939		ADDRESSING_MODE="real"
940		WANT_VOSF=yes dnl we can use VOSF and we need it actually
941		DEFINES="$DEFINES -DREAL_ADDRESSING"
942	+	if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then
943	+	BLESS=Darwin/lowmem
944	+	LDFLAGS="$LDFLAGS -pagezero_size 0x2000"
945	+	fi
946		break
947		;;
948		direct)
#	Line 739 | Line 970 | else
970		fi
971		fi
972
973	+	dnl Banked Memory Addressing mode is not supported by the JIT compiler
974	+	if [[ "x$WANT_JIT" = "xyes" -a "x$ADDRESSING_MODE" = "xmemory banks" ]]; then
975	+	AC_MSG_ERROR([Sorry, the JIT Compiler requires Direct Addressing, at least])
976	+	fi
977	+
978		dnl Enable VOSF screen updates with this feature is requested and feasible
979		if [[ "x$WANT_VOSF" = "xyes" -a "x$CAN_VOSF" = "xyes" ]]; then
980		AC_DEFINE(ENABLE_VOSF, 1, [Define if using video enabled on SEGV signals.])
#	Line 759 | Line 995 | AC_MSG_RESULT($HAVE_GAS)
995		dnl Check for GCC 2.7 or higher.
996		HAVE_GCC27=no
997		AC_MSG_CHECKING(for GCC 2.7 or higher)
998	<	AC_EGREP_CPP(yes,
998	>	AC_EGREP_CPP(xyes,
999		[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5
1000	<	yes
1000	>	xyes
1001		#endif
1002		], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
1003
1004		dnl Check for GCC 3.0 or higher.
1005		HAVE_GCC30=no
1006		AC_MSG_CHECKING(for GCC 3.0 or higher)
1007	<	AC_EGREP_CPP(yes,
1007	>	AC_EGREP_CPP(xyes,
1008		[#if __GNUC__ >= 3
1009	<	yes
1009	>	xyes
1010		#endif
1011		], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
1012
#	Line 801 | Line 1037 | if [[ "x$HAVE_GCC27" = "xyes" ]]; then
1037		fi
1038		fi
1039
1040	+	dnl Store motion was introduced in 3.3-hammer branch and any gcc >= 3.4
1041	+	dnl However, there are some corner cases exposed on x86-64
1042	+	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
1043	+	SAVED_CXXFLAGS="$CXXFLAGS"
1044	+	CXXFLAGS="$CXXFLAGS -fno-gcse-sm"
1045	+	AC_CACHE_CHECK([whether GCC supports store motion], ac_cv_gcc_store_motion, [
1046	+	AC_LANG_SAVE
1047	+	AC_LANG_CPLUSPLUS
1048	+	AC_TRY_COMPILE([],[],[ac_cv_gcc_store_motion=yes],[ac_cv_gcc_store_motion=no])
1049	+	AC_LANG_RESTORE
1050	+	])
1051	+	if [[ "x$ac_cv_gcc_store_motion" != "xyes" ]]; then
1052	+	CXXFLAGS="$SAVED_CXXFLAGS"
1053	+	fi
1054	+	fi
1055	+
1056		dnl Select appropriate CPU source and REGPARAM define.
1057		ASM_OPTIMIZATIONS=none
1058		CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
1059	<	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" -a "x$OS_TYPE" != "xfreebsd" ]]; then
1059	>
1060	>	dnl (gb) JITSRCS will be emptied later if the JIT is not available
1061	>	dnl Other platforms should define their own set of noflags file variants
1062	>	CAN_JIT=no
1063	>	JITSRCS="compemu1.cpp compemu2.cpp compemu3.cpp compemu4.cpp compemu5.cpp compemu6.cpp compemu7.cpp compemu8.cpp"
1064	>
1065	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
1066		dnl i386 CPU
1067	<	DEFINES="$DEFINES -DREGPARAM=\"__attribute__((regparm(3)))\""
1067	>	DEFINES="$DEFINES -DUNALIGNED_PROFITABLE -DREGPARAM=\"__attribute__((regparm(3)))\""
1068		if [[ "x$HAVE_GAS" = "xyes" ]]; then
1069		ASM_OPTIMIZATIONS=i386
1070	<	DEFINES="$DEFINES -DX86_ASSEMBLY -DUNALIGNED_PROFITABLE -DOPTIMIZED_FLAGS"
1071	<	CPUSRCS="cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s"
1070	>	DEFINES="$DEFINES -DX86_ASSEMBLY -DOPTIMIZED_FLAGS -DSAHF_SETO_PROFITABLE"
1071	>	JITSRCS="cpuemu1_nf.cpp cpuemu2_nf.cpp cpuemu3_nf.cpp cpuemu4_nf.cpp cpuemu5_nf.cpp cpuemu6_nf.cpp cpuemu7_nf.cpp cpuemu8_nf.cpp $JITSRCS"
1072	>	CAN_JIT=yes
1073	>	fi
1074	>	elif [[ "x$HAVE_GCC30" = "xyes" -a "x$HAVE_X86_64" = "xyes" ]]; then
1075	>	dnl x86-64 CPU
1076	>	DEFINES="$DEFINES -DUNALIGNED_PROFITABLE"
1077	>	if [[ "x$HAVE_GAS" = "xyes" ]]; then
1078	>	ASM_OPTIMIZATIONS="x86-64"
1079	>	DEFINES="$DEFINES -DX86_64_ASSEMBLY -DOPTIMIZED_FLAGS"
1080	>	JITSRCS="cpuemu1_nf.cpp cpuemu2_nf.cpp cpuemu3_nf.cpp cpuemu4_nf.cpp cpuemu5_nf.cpp cpuemu6_nf.cpp cpuemu7_nf.cpp cpuemu8_nf.cpp $JITSRCS"
1081	>	CAN_JIT=yes
1082	>	WANT_33BIT_ADDRESSING=yes
1083		fi
1084		elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
1085		dnl SPARC CPU
#	Line 841 | Line 1110 | elif [[ "x$WANT_NATIVE_M68K" = "xyes" ]]
1110		CPUSRCS="asm_support.s"
1111		fi
1112
1113	+	dnl Enable JIT compiler, if possible.
1114	+	if [[ "x$WANT_JIT" = "xyes" -a "x$CAN_JIT" ]]; then
1115	+	JITSRCS="$JITSRCS ../uae_cpu/compiler/compemu_support.cpp ../uae_cpu/compiler/compemu_fpp.cpp compstbl.o cpustbl_nf.o"
1116	+	DEFINES="$DEFINES -DUSE_JIT -DUSE_JIT_FPU"
1117	+
1118	+	if [[ "x$WANT_JIT_DEBUG" = "xyes" ]]; then
1119	+	if [[ "x$WANT_MON" = "xyes" ]]; then
1120	+	DEFINES="$DEFINES -DJIT_DEBUG=1"
1121	+	else
1122	+	AC_MSG_WARN([cxmon not found, ignoring --enable-jit-debug])
1123	+	WANT_JIT_DEBUG=no
1124	+	fi
1125	+	fi
1126	+
1127	+	dnl IEEE core is the only FPU emulator to use with the JIT compiler
1128	+	case $FPE_CORE_TEST_ORDER in
1129	+	ieee*) ;;
1130	+	*) AC_MSG_WARN([Forcing use of the IEEE FPU core, as the JIT compiler supports only this one.]) ;;
1131	+	esac
1132	+	FPE_CORE_TEST_ORDER="ieee"
1133	+	else
1134	+	WANT_JIT=no
1135	+	WANT_JIT_DEBUG=no
1136	+	JITSRCS=""
1137	+	fi
1138	+
1139	+	dnl Use 33-bit memory addressing?
1140	+	if [[ "$ac_cv_have_33bit_addressing:$WANT_33BIT_ADDRESSING" = "yes:yes" ]]; then
1141	+	use_33bit_addressing=yes
1142	+	fi
1143	+	AC_TRANSLATE_DEFINE(USE_33BIT_ADDRESSING, "$use_33bit_addressing",
1144	+	[Define to use 33-bit memory addressing on 64-bit JIT capable systems.])
1145	+
1146		dnl Utility macro used by next two tests.
1147		dnl AC_EXAMINE_OBJECT(C source code,
1148		dnl     commands examining object file,
#	Line 985 | Line 1287 | AC_CHECK_HEADERS(ieee754.h ieeefp.h floa
1287		for fpe in $FPE_CORE_TEST_ORDER; do
1288		case $fpe in
1289		ieee)
1290	<	if echo "$ac_cv_c_float_format" | grep -q IEEE; then
1290	>	case $ac_cv_c_float_format in
1291	>	IEEE*)
1292		FPE_CORE="IEEE fpu core"
1293		DEFINES="$DEFINES -DFPU_IEEE"
1294		FPUSRCS="../uae_cpu/fpu/fpu_ieee.cpp"
1295	+	dnl Math functions not mandated by C99 standard
1296	+	AC_CHECK_FUNCS(isnanl isinfl)
1297	+	dnl Math functions required by C99 standard, but probably not
1298	+	dnl implemented everywhere. In that case, we fall back to the
1299	+	dnl regular variant for doubles.
1300	+	AC_CHECK_FUNCS(logl log10l expl powl fabsl sqrtl)
1301	+	AC_CHECK_FUNCS(sinl cosl tanl sinhl coshl tanhl)
1302	+	AC_CHECK_FUNCS(asinl acosl atanl asinhl acoshl atanhl)
1303	+	AC_CHECK_FUNCS(floorl ceill)
1304		break
1305	<	fi
1305	>	;;
1306	>	esac
1307		;;
1308		x86)
1309		if [[ ":$HAVE_GCC27:$HAVE_I386:$HAVE_GAS:" = ":yes:yes:yes:" ]]; then
#	Line 1017 | Line 1330 | fi
1330
1331		dnl Check for certain math functions
1332		AC_CHECK_FUNCS(atanh)
1333	<	AC_CHECK_FUNCS(isnan isinf)             dnl C99
1021	<	AC_CHECK_FUNCS(isnanl isinfl)   dnl IEEE ?
1333	>	AC_CHECK_FUNCS(isnan isinf finite isnormal signbit)
1334
1335		dnl UAE CPU sources for all non-m68k-native architectures.
1336		if [[ "x$WANT_NATIVE_M68K" = "xno" ]]; then
1337		CPUINCLUDES="-I../uae_cpu"
1338	<	CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp $FPUSRCS cpustbl.cpp cpudefs.cpp $CPUSRCS"
1338	>	CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp $FPUSRCS cpustbl.cpp cpudefs.cpp $CPUSRCS $JITSRCS"
1339		fi
1340
1341		dnl Remove the "-g" option if set for GCC.
1342		if [[ "x$HAVE_GCC27" = "xyes" ]]; then
1343	<	CFLAGS=`echo $CFLAGS | sed -e 's/-g//g'`
1344	<	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/-g//g'`
1343	>	CFLAGS=`echo $CFLAGS | sed -e 's/-g\b//g'`
1344	>	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/-g\b//g'`
1345		fi
1346
1347	<	dnl Or if we have -Ofast
1348	<	if [[ "x$HAVE_OFAST" = "xyes" ]]; then
1349	<	CFLAGS="`echo $CFLAGS | sed -e 's/-g//g'` -Ofast"
1350	<	CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-g//g'` -Ofast"
1347	>	dnl Or if we have -IPA (MIPSPro compilers)
1348	>	if [[ "x$HAVE_IPA" = "xyes" ]]; then
1349	>	CFLAGS="`echo $CFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA"
1350	>	CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA"
1351		CXXFLAGS="-LANG:std $CXXFLAGS"
1352	<	LDFLAGS="$LDFLAGS -ipa"
1352	>	LDFLAGS="$LDFLAGS -O3 -OPT:Olimit=0 -IPA"
1353		fi
1354
1355		dnl Generate Makefile.
#	Line 1045 | Line 1357 | AC_SUBST(DEFINES)
1357		AC_SUBST(SYSSRCS)
1358		AC_SUBST(CPUINCLUDES)
1359		AC_SUBST(CPUSRCS)
1360	<	AC_OUTPUT(Makefile)
1360	>	AC_SUBST(BLESS)
1361	>	AC_SUBST(KEYCODES)
1362	>	AC_CONFIG_FILES([Makefile])
1363	>	AC_OUTPUT
1364
1365		dnl Print summary.
1366		echo
1367		echo Basilisk II configuration summary:
1368		echo
1369	+	echo SDL support ............................ : $SDL_SUPPORT
1370		echo XFree86 DGA support .................... : $WANT_XF86_DGA
1371		echo XFree86 VidMode support ................ : $WANT_XF86_VIDMODE
1372		echo fbdev DGA support ...................... : $WANT_FBDEV_DGA
#	Line 1059 | Line 1375 | echo ESD sound support .................
1375		echo GTK user interface ..................... : $WANT_GTK
1376		echo mon debugger support ................... : $WANT_MON
1377		echo Running m68k code natively ............. : $WANT_NATIVE_M68K
1378	+	echo Use JIT compiler ....................... : $WANT_JIT
1379	+	echo JIT debug mode ......................... : $WANT_JIT_DEBUG
1380		echo Floating-Point emulation core .......... : $FPE_CORE
1381		echo Assembly optimizations ................. : $ASM_OPTIMIZATIONS
1382		echo Addressing mode ........................ : $ADDRESSING_MODE
1383	+	echo Bad memory access recovery type ........ : $sigsegv_recovery
1384		echo
1385		echo "Configuration done. Now type \"make\" (or \"gmake\")."

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