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

Comparing BasiliskII/src/Unix/configure.in (file contents):
Revision 1.42 by cebix, 2001-05-24T15:06:13Z vs.
Revision 1.63 by gbeauche, 2002-09-16T12:03:07Z

#	Line 1 | Line 1
1		dnl Process this file with autoconf to produce a configure script.
2	<	dnl Written in 1999 by Christian Bauer et al.
2	>	dnl Written in 2002 by Christian Bauer et al.
3
4		AC_INIT(main_unix.cpp)
5		AC_PREREQ(2.12)
#	Line 13 | Line 13 | AC_ARG_ENABLE(vosf,          [  --enable
13
14		dnl FPU emulation core.
15		AC_ARG_ENABLE(fpe,
16	<	[  --enable-fpe=which      specify which fpu emulator to use [default=opt]],
16	>	[  --enable-fpe=FPE        specify which fpu emulator to use [default=auto]],
17		[ case "$enableval" in
18	<	default)    FPE_CORE="default";; dnl fpu_x86.cpp if i386 architecture, fpu_uae.cpp otherwise
19	<	uae)            FPE_CORE="uae";;
20	<	*)                      AC_MSG_ERROR([--enable-fpe takes only one of the following values: default, uae]);;
18	>	dnl default is always ieee, if architecture has this fp format
19	>	auto)       FPE_CORE_TEST_ORDER="ieee uae";;
20	>	ieee)       FPE_CORE_TEST_ORDER="ieee";;
21	>	uae)        FPE_CORE_TEST_ORDER="uae";;
22	>	x86)        FPE_CORE_TEST_ORDER="x86";;
23	>	*)              AC_MSG_ERROR([--enable-fpe takes only one of the following values: auto, x86, ieee, uae]);;
24		esac
25		],
26	<	[ FPE_CORE="default"
26	>	[ FPE_CORE_TEST_ORDER="ieee uae"
27		])
28
29		dnl Addressing modes.
#	Line 52 | Line 55 | case "$target_os" in
55		netbsd*)      OS_TYPE=netbsd;;
56		freebsd*)     OS_TYPE=freebsd;;
57		solaris*)     OS_TYPE=solaris;;
58	<	*)            OS_TYPE=`echo $target_os | sed -e 's/-/_/' | sed -e 's/\./_/'`;;
58	>	darwin*)      OS_TYPE=darwin;;
59	>	*)            OS_TYPE=`echo $target_os | sed -e 's/-/_/g' | sed -e 's/\./_/g'`;;
60		esac
61		DEFINES="$DEFINES -DOS_$OS_TYPE"
62
#	Line 66 | Line 70 | case "$target_cpu" in
70		m68k* ) CPU_TYPE=m68k HAVE_M68K=yes;;
71		sparc* ) CPU_TYPE=sparc HAVE_SPARC=yes;;
72		powerpc* ) CPU_TYPE=powerpc HAVE_POWERPC=yes;;
73	<	*) CPU_TYPE=`echo $target_cpu | sed -e 's/-/_/'`;;
73	>	*) CPU_TYPE=`echo $target_cpu | sed -e 's/-/_/g'`;;
74		esac
75		DEFINES="$DEFINES -DCPU_$CPU_TYPE"
76
#	Line 86 | Line 90 | if [[ "x$WANT_MON" = "xyes" ]]; then
90		if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
91		AC_MSG_RESULT(yes)
92		AC_DEFINE(ENABLE_MON)
93	<	MONSRCS="$mon_srcdir/mon.cpp $mon_srcdir/mon_6502.cpp $mon_srcdir/mon_z80.cpp $mon_srcdir/mon_cmd.cpp $mon_srcdir/mon_disass.cpp $mon_srcdir/mon_ppc.cpp $mon_srcdir/disass/floatformat.c $mon_srcdir/disass/i386-dis.c $mon_srcdir/disass/m68k-dis.c $mon_srcdir/disass/m68k-opc.c"
93	>	MONSRCS="$mon_srcdir/mon.cpp $mon_srcdir/mon_6502.cpp $mon_srcdir/mon_z80.cpp $mon_srcdir/mon_cmd.cpp $mon_srcdir/mon_disass.cpp $mon_srcdir/mon_ppc.cpp $mon_srcdir/mon_lowmem.cpp $mon_srcdir/disass/floatformat.c $mon_srcdir/disass/i386-dis.c $mon_srcdir/disass/m68k-dis.c $mon_srcdir/disass/m68k-opc.c"
94		CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass"
95	+	AC_CHECK_LIB(ncurses, tgetent, ,
96	+	AC_CHECK_LIB(termcap, tgetent, ,
97	+	AC_CHECK_LIB(termlib, tgetent, ,
98	+	AC_CHECK_LIB(terminfo, tgetent, ,
99	+	AC_CHECK_LIB(Hcurses, tgetent, ,
100	+	AC_CHECK_LIB(curses, tgetent))))))
101		AC_CHECK_LIB(readline, readline)
92	–	AC_CHECK_LIB(termcap, tputs)
102		AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
103		else
104		AC_MSG_RESULT(no)
#	Line 100 | Line 109 | fi
109
110		dnl Checks for libraries.
111		AC_CHECK_LIB(posix4, sem_init)
112	+	AC_CHECK_LIB(rt, timer_create)
113
114		dnl We need X11.
115		AC_PATH_XTRA
#	Line 123 | Line 133 | if [[ "x$HAVE_PTHREADS" = "xyes" ]]; the
133		AC_DEFINE(HAVE_PTHREADS)
134		fi
135		AC_CHECK_FUNCS(pthread_cancel)
136	+	AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
137	+	AC_CHECK_FUNCS(pthread_mutexattr_settype)
138
139		dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
140		SEMSRC=
#	Line 166 | Line 178 | UISRCS=../dummy/prefs_editor_dummy.cpp
178		if [[ "x$WANT_GTK" = "xyes" ]]; then
179		AM_PATH_GTK(1.2.0, [
180		AC_DEFINE(ENABLE_GTK)
169	–	CFLAGS="$CFLAGS $GTK_CFLAGS"
181		CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
182		LIBS="$LIBS $GTK_LIBS"
183		UISRCS=prefs_editor_gtk.cpp
184	+	B2_PATH_GNOMEUI([
185	+	AC_DEFINE(HAVE_GNOMEUI)
186	+	CXXFLAGS="$CXXFLAGS $GNOMEUI_CFLAGS"
187	+	LIBS="$LIBS $GNOMEUI_LIBS"
188	+	], [])
189		], [
190		AC_MSG_WARN([Could not find GTK+, disabling user interface.])
191		WANT_GTK=no
#	Line 189 | Line 205 | if [[ "x$WANT_ESD" = "xyes" ]]; then
205		])
206		fi
207
208	+	dnl We use 64-bit file size support if possible.
209	+	dnl FIXME: Use AC_SYS_LARGEFILE from autoconf 2.5+
210	+	if [[ "x$OS_TYPE" = "xlinux" ]]; then
211	+	AC_DEFINE(_USE_LARGEFILE_SOURCE, 1, [Get more functions for correct standard I/O])
212	+	AC_DEFINE(_FILE_OFFSET_BITS, 64, [Get 64-bit file size support])
213	+	fi
214	+
215		dnl Checks for header files.
216		AC_HEADER_STDC
217	<	AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h)
217	>	AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h sys/mman.h)
218
219		dnl Checks for typedefs, structures, and compiler characteristics.
220		AC_C_BIGENDIAN
#	Line 201 | Line 224 | AC_CHECK_SIZEOF(short, 2)
224		AC_CHECK_SIZEOF(int, 4)
225		AC_CHECK_SIZEOF(long, 4)
226		AC_CHECK_SIZEOF(long long, 8)
227	+	AC_CHECK_SIZEOF(float, 4)
228	+	AC_CHECK_SIZEOF(double, 8)
229	+	AC_CHECK_SIZEOF(long double, 12)
230		AC_CHECK_SIZEOF(void *, 4)
231		AC_TYPE_OFF_T
232		AC_CHECK_TYPE(loff_t, off_t)
233	+	AC_CHECK_TYPE(caddr_t, [char *])
234		AC_TYPE_SIZE_T
235		AC_TYPE_SIGNAL
236		AC_HEADER_TIME
237		AC_STRUCT_TM
238
239	+	dnl Check whether sys/socket.h defines type socklen_t.
240	+	dnl (extracted from ac-archive/Miscellaneous)
241	+	AC_CACHE_CHECK("for socklen_t",
242	+	ac_cv_type_socklen_t, [
243	+	AC_TRY_COMPILE([
244	+	#include <sys/types.h>
245	+	#include <sys/socket.h>
246	+	], [socklen_t len = 42; return 0;],
247	+	ac_cv_type_socklen_t=yes, ac_cv_type_socklen_t=no,
248	+	dnl When cross-compiling, do not assume anything.
249	+	ac_cv_type_socklen_t="guessing no"
250	+	)
251	+	])
252	+	if [[ "x$ac_cv_type_socklen_t" != "xyes" ]]; then
253	+	AC_DEFINE(socklen_t, int)
254	+	fi
255	+
256		dnl Checks for library functions.
257		AC_CHECK_FUNCS(strdup cfmakeraw)
258		AC_CHECK_FUNCS(clock_gettime timer_create)
259		AC_CHECK_FUNCS(sigaction signal)
260	+	AC_CHECK_FUNCS(mmap mprotect munmap)
261	+	AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
262	+
263	+	dnl Darwin seems to define mach_task_self() instead of task_self().
264	+	AC_CHECK_FUNCS(mach_task_self task_self)
265	+
266	+	dnl Check for headers and functions related to pty support (sshpty.c)
267	+	dnl From openssh-3.2.2p1 configure.ac
268	+
269	+	AC_CHECK_HEADERS(strings.h login.h sys/bsdtty.h sys/stat.h util.h pty.h)
270	+	AC_CHECK_FUNCS(_getpty vhangup strlcpy)
271	+
272	+	case "$host" in
273	+	*-*-hpux10.26)
274	+	disable_ptmx_check=yes
275	+	;;
276	+	*-*-linux*)
277	+	no_dev_ptmx=1
278	+	;;
279	+	mips-sony-bsd|mips-sony-newsos4)
280	+	AC_DEFINE(HAVE_NEWS4)
281	+	;;
282	+	*-*-sco3.2v4*)
283	+	no_dev_ptmx=1
284	+	;;
285	+	*-*-sco3.2v5*)
286	+	no_dev_ptmx=1
287	+	;;
288	+	esac
289	+
290	+	if test -z "$no_dev_ptmx" ; then
291	+	if test "x$disable_ptmx_check" != "xyes" ; then
292	+	AC_CHECK_FILE("/dev/ptmx",
293	+	[
294	+	AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
295	+	have_dev_ptmx=1
296	+	]
297	+	)
298	+	fi
299	+	fi
300	+	AC_CHECK_FILE("/dev/ptc",
301	+	[
302	+	AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
303	+	have_dev_ptc=1
304	+	]
305	+	)
306	+
307	+	dnl (end of code from openssh-3.2.2p1 configure.ac)
308	+
309
310		dnl Select system-dependant source files.
311		SERIALSRC=serial_unix.cpp
#	Line 258 | Line 351 | solaris*)
351		DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
352		;;
353		irix*)
354	+	ETHERSRC=ether_unix.cpp
355		AUDIOSRC=Irix/audio_irix.cpp
356		EXTRASYSSRCS=Irix/unaligned.c
357		dnl IRIX headers work fine, but somehow don't define or use "STDC_HEADERS"
358		DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200 -DSTDC_HEADERS"
359		LIBS="$LIBS -laudio"
360	+	WANT_ESD=no
361
362		dnl Check if our compiler supports -Ofast (MIPSPro)
363		HAVE_OFAST=no
#	Line 297 | Line 392 | dnl to be put into the config.h file
392		dnl $1 -- the macro to define
393		dnl $2 -- the value to translate
394		AC_DEFUN(AC_TRANSLATE_DEFINE, [
395	<	if [[ "x$2" = "xyes" ]]; then
395	>	if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then
396		AC_DEFINE($1)
397		fi
398		])
399
400	+	dnl Various checks if the system supports vm_allocate() and the like functions.
401	+	have_mach_vm=no
402	+	if [[ "x$ac_cv_func_vm_allocate" = "xyes" -a "x$ac_cv_func_vm_deallocate" = "xyes" -a \
403	+	"x$ac_cv_func_vm_protect" = "xyes" ]]; then
404	+	have_mach_vm=yes
405	+	fi
406	+	AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm")
407	+
408	+	dnl Check that vm_allocate(), vm_protect() work
409	+	if [[ "x$have_mach_vm" = "xyes" ]]; then
410	+
411	+	AC_CACHE_CHECK("whether vm_protect works",
412	+	ac_cv_vm_protect_works, [
413	+	AC_LANG_SAVE
414	+	AC_LANG_CPLUSPLUS
415	+	ac_cv_vm_protect_works=yes
416	+	dnl First the tests that should segfault
417	+	for test_def in NONE_READ NONE_WRITE READ_WRITE; do
418	+	AC_TRY_RUN([
419	+	#define CONFIGURE_TEST_VM_MAP
420	+	#define TEST_VM_PROT_$test_def
421	+	#include "vm_alloc.cpp"
422	+	], ac_cv_vm_protect_works=no, rm -f core,
423	+	dnl When cross-compiling, do not assume anything
424	+	ac_cv_vm_protect_works="guessing no"
425	+	)
426	+	done
427	+	AC_TRY_RUN([
428	+	#define CONFIGURE_TEST_VM_MAP
429	+	#define TEST_VM_PROT_RDWR_WRITE
430	+	#include "vm_alloc.cpp"
431	+	], , ac_cv_vm_protect_works=no,
432	+	dnl When cross-compiling, do not assume anything
433	+	ac_cv_vm_protect_works="guessing no"
434	+	)
435	+	AC_LANG_RESTORE
436	+	]
437	+	)
438	+
439	+	dnl Remove support for vm_allocate() if vm_protect() does not work
440	+	if [[ "x$have_mach_vm" = "xyes" ]]; then
441	+	case $ac_cv_vm_protect_works in
442	+	*yes) have_mach_vm=yes;;
443	+	*no) have_mach_vm=no;;
444	+	esac
445	+	fi
446	+	AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm")
447	+
448	+	fi dnl HAVE_MACH_VM
449	+
450	+	dnl Various checks if the system supports mmap() and the like functions.
451	+	dnl ... and Mach memory allocators are not supported
452	+	have_mmap_vm=no
453	+	if [[ "x$ac_cv_func_mmap" = "xyes" -a "x$ac_cv_func_munmap" = "xyes" -a \
454	+	"x$ac_cv_func_mprotect" = "xyes" ]]; then
455	+	if [[ "x$have_mach_vm" = "xno" ]]; then
456	+	have_mmap_vm=yes
457	+	fi
458	+	fi
459	+	AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, "$have_mmap_vm")
460	+
461	+	dnl Check that mmap() and associated functions work.
462	+	if [[ "x$have_mmap_vm" = "xyes" ]]; then
463	+
464	+	dnl Check if we have a working anonymous mmap()
465	+	AC_CACHE_CHECK("whether mmap supports MAP_ANON",
466	+	ac_cv_mmap_anon, [
467	+	AC_LANG_SAVE
468	+	AC_LANG_CPLUSPLUS
469	+	AC_TRY_RUN([
470	+	#define HAVE_MMAP_ANON
471	+	#define CONFIGURE_TEST_VM_MAP
472	+	#define TEST_VM_MMAP_ANON
473	+	#include "vm_alloc.cpp"
474	+	], ac_cv_mmap_anon=yes, ac_cv_mmap_anon=no,
475	+	dnl When cross-compiling, do not assume anything.
476	+	ac_cv_mmap_anon="guessing no"
477	+	)
478	+	AC_LANG_RESTORE
479	+	]
480	+	)
481	+	AC_TRANSLATE_DEFINE(HAVE_MMAP_ANON, "$ac_cv_mmap_anon")
482	+
483	+	AC_CACHE_CHECK("whether mmap supports MAP_ANONYMOUS",
484	+	ac_cv_mmap_anonymous, [
485	+	AC_LANG_SAVE
486	+	AC_LANG_CPLUSPLUS
487	+	AC_TRY_RUN([
488	+	#define HAVE_MMAP_ANONYMOUS
489	+	#define CONFIGURE_TEST_VM_MAP
490	+	#define TEST_VM_MMAP_ANON
491	+	#include "vm_alloc.cpp"
492	+	], ac_cv_mmap_anonymous=yes, ac_cv_mmap_anonymous=no,
493	+	dnl When cross-compiling, do not assume anything.
494	+	ac_cv_mmap_anonymous="guessing no"
495	+	)
496	+	AC_LANG_RESTORE
497	+	]
498	+	)
499	+	AC_TRANSLATE_DEFINE(HAVE_MMAP_ANONYMOUS, "$ac_cv_mmap_anonymous")
500	+
501	+	AC_CACHE_CHECK("whether mprotect works",
502	+	ac_cv_mprotect_works, [
503	+	AC_LANG_SAVE
504	+	AC_LANG_CPLUSPLUS
505	+	ac_cv_mprotect_works=yes
506	+	dnl First the tests that should segfault
507	+	for test_def in NONE_READ NONE_WRITE READ_WRITE; do
508	+	AC_TRY_RUN([
509	+	#define CONFIGURE_TEST_VM_MAP
510	+	#define TEST_VM_PROT_$test_def
511	+	#include "vm_alloc.cpp"
512	+	], ac_cv_mprotect_works=no, rm -f core,
513	+	dnl When cross-compiling, do not assume anything
514	+	ac_cv_mprotect_works="guessing no"
515	+	)
516	+	done
517	+	AC_TRY_RUN([
518	+	#define CONFIGURE_TEST_VM_MAP
519	+	#define TEST_VM_PROT_RDWR_WRITE
520	+	#include "vm_alloc.cpp"
521	+	], , ac_cv_mprotect_works=no,
522	+	dnl When cross-compiling, do not assume anything
523	+	ac_cv_mprotect_works="guessing no"
524	+	)
525	+	AC_LANG_RESTORE
526	+	]
527	+	)
528	+
529	+	dnl Remove support for mmap() if mprotect() does not work
530	+	if [[ "x$have_mmap_vm" = "xyes" ]]; then
531	+	case $ac_cv_mprotect_works in
532	+	*yes) have_mmap_vm=yes;;
533	+	*no) have_mmap_vm=no;;
534	+	esac
535	+	fi
536	+	AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_mmap_vm)
537	+
538	+	fi dnl HAVE_MMAP_VM
539	+
540		dnl Check if we can mmap 0x2000 bytes from 0x0000
541		AC_CACHE_CHECK("whether we can map Low Memory area 0x0000-0x2000",
542		ac_cv_can_map_lm, [
543		AC_LANG_SAVE
544		AC_LANG_CPLUSPLUS
545		AC_TRY_RUN([
546	<	#include <unistd.h>
547	<	#include <fcntl.h>
548	<	#include <sys/mman.h>
549	<
550	<	int main()
551	<	{ int zero_fd; char * lm;
552	<	if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
553	<	if ((lm = (char *)mmap((caddr_t)0x0000, 0x2000, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_PRIVATE, zero_fd, 0)) == MAP_FAILED) exit(1);
319	<	lm[0] = 0x12;
320	<	munmap(lm, 0x2000);
321	<	close(zero_fd);
322	<	exit(0);
546	>	#include "vm_alloc.cpp"
547	>	int main(void) { /* returns 0 if we could map the lowmem globals */
548	>	volatile char * lm;
549	>	if (vm_init() < 0) exit(1);
550	>	if ((lm = (volatile char *)vm_acquire_fixed(0, 0x2000)) == VM_MAP_FAILED) exit(1);
551	>	lm[0] = 'z';
552	>	if (vm_release((char *)lm, 0x2000) < 0) exit(1);
553	>	vm_exit(); exit(0);
554		}
555	<	],
556	<	[ac_cv_can_map_lm=yes],
557	<	[ac_cv_can_map_lm=no]
555	>	], ac_cv_can_map_lm=yes, ac_cv_can_map_lm=no,
556	>	dnl When cross-compiling, do not assume anything.
557	>	ac_cv_can_map_lm="guessing no"
558		)
559		AC_LANG_RESTORE
560		]
#	Line 331 | Line 562 | AC_CACHE_CHECK("whether we can map Low M
562
563		dnl Check signal handlers need to be reinstalled
564		AC_CACHE_CHECK("whether signal handlers need to be reinstalled",
565	<	ac_cv_signal_need_reinstall, [
566	<	AC_LANG_SAVE
567	<	AC_LANG_CPLUSPLUS
568	<	AC_TRY_RUN([
569	<	#include <stdlib.h>
570	<	#ifdef HAVE_UNISTD_H
571	<	#include <unistd.h>
572	<	#endif
573	<	#include <signal.h>
574	<	static int handled_signal = 0;
575	<	RETSIGTYPE sigusr1_handler(int) { handled_signal++; }
576	<	int main(void) { /* returns 0 if signals need not to be reinstalled */
577	<	signal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
578	<	exit(handled_signal == 2);
579	<	}
580	<	],
581	<	[ac_cv_signal_need_reinstall=yes],
582	<	[ac_cv_signal_need_reinstall=no]
583	<	)
584	<	AC_LANG_RESTORE
585	<	]
565	>	ac_cv_signal_need_reinstall, [
566	>	AC_LANG_SAVE
567	>	AC_LANG_CPLUSPLUS
568	>	AC_TRY_RUN([
569	>	#include <stdlib.h>
570	>	#ifdef HAVE_UNISTD_H
571	>	#include <unistd.h>
572	>	#endif
573	>	#include <signal.h>
574	>	static int handled_signal = 0;
575	>	RETSIGTYPE sigusr1_handler(int) { handled_signal++; }
576	>	int main(void) { /* returns 0 if signals need not to be reinstalled */
577	>	signal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
578	>	exit(handled_signal == 2);
579	>	}
580	>	], ac_cv_signal_need_reinstall=yes, ac_cv_signal_need_reinstall=no,
581	>	dnl When cross-compiling, do not assume anything.
582	>	ac_cv_signal_need_reinstall="guessing yes"
583	>	)
584	>	AC_LANG_RESTORE
585	>	]
586		)
587		AC_TRANSLATE_DEFINE(SIGNAL_NEED_REINSTALL, "$ac_cv_signal_need_reinstall")
588
#	Line 379 | Line 610 | AC_CACHE_CHECK("whether sigaction handle
610		mysignal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
611		exit(handled_signal == 2);
612		}
613	<	],
614	<	[ac_cv_sigaction_need_reinstall=yes],
615	<	[ac_cv_sigaction_need_reinstall=no]
613	>	], ac_cv_sigaction_need_reinstall=yes, ac_cv_sigaction_need_reinstall=no,
614	>	dnl When cross-compiling, do not assume anything.
615	>	ac_cv_sigaction_need_reinstall="guessing yes"
616		)
617		AC_LANG_RESTORE
618		]
#	Line 395 | Line 626 | AC_CACHE_CHECK("whether your system supp
626		AC_LANG_CPLUSPLUS
627		AC_TRY_RUN([
628		#define HAVE_SIGINFO_T 1
629	<	#define CONFIGURE_TEST
629	>	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
630	>	#include "vm_alloc.cpp"
631		#include "sigsegv.cpp"
632	<	],
633	<	[ac_cv_have_extended_signals=yes],
634	<	[ac_cv_have_extended_signals=no]
632	>	], ac_cv_have_extended_signals=yes, ac_cv_have_extended_signals=no,
633	>	dnl When cross-compiling, do not assume anything.
634	>	ac_cv_have_extended_signals=no
635		)
636		AC_LANG_RESTORE
637		]
638		)
639		AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals")
640	<
640	>
641		dnl Otherwise, check for subterfuges.
642		if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
643		AC_CACHE_CHECK("whether we then have a subterfuge for your system",
#	Line 414 | Line 646 | if [[ "x$ac_cv_have_extended_signals" =
646		AC_LANG_CPLUSPLUS
647		AC_TRY_RUN([
648		#define HAVE_SIGCONTEXT_SUBTERFUGE 1
649	<	#define CONFIGURE_TEST
649	>	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
650	>	#include "vm_alloc.cpp"
651		#include "sigsegv.cpp"
652	<	],
653	<	[ac_cv_have_sigcontext_hack=yes],
654	<	[ac_cv_have_sigcontext_hack=no]
652	>	], ac_cv_have_sigcontext_hack=yes, ac_cv_have_sigcontext_hack=no,
653	>	dnl When cross-compiling, do not assume anything.
654	>	ac_cv_have_sigcontext_hack=no
655		)
656		AC_LANG_RESTORE
657		])
658		AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, "$ac_cv_have_sigcontext_hack")
659		fi
660
661	+	dnl Check if we can ignore the fault (instruction skipping in SIGSEGV handler)
662	+	AC_CACHE_CHECK("whether we can skip instruction in SIGSEGV handler",
663	+	ac_cv_have_skip_instruction, [
664	+	AC_LANG_SAVE
665	+	AC_LANG_CPLUSPLUS
666	+	AC_TRY_RUN([
667	+	#define HAVE_SIGSEGV_SKIP_INSTRUCTION 1
668	+	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
669	+	#include "vm_alloc.cpp"
670	+	#include "sigsegv.cpp"
671	+	], ac_cv_have_skip_instruction=yes, ac_cv_have_skip_instruction=no,
672	+	dnl When cross-compiling, do not assume anything.
673	+	ac_cv_have_skip_instruction=no
674	+	)
675	+	AC_LANG_RESTORE
676	+	]
677	+	)
678	+	AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_INSTRUCTION, "$ac_cv_have_skip_instruction")
679	+
680		dnl Can we do Video on SEGV Signals ?
681		CAN_VOSF=no
682		if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
#	Line 505 | Line 757 | AC_EGREP_CPP(yes,
757		#endif
758		], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
759
760	+	dnl Check for GCC 3.0 or higher.
761	+	HAVE_GCC30=no
762	+	AC_MSG_CHECKING(for GCC 3.0 or higher)
763	+	AC_EGREP_CPP(yes,
764	+	[#if __GNUC__ >= 3
765	+	yes
766	+	#endif
767	+	], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
768	+
769		dnl Set "-fomit-frame-pointer" on i386 GCC 2.7 or higher.
770	+	dnl Also set "-fno-exceptions" for C++ because exception handling requires
771	+	dnl the frame pointer.
772		if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
773		CFLAGS="$CFLAGS -fomit-frame-pointer"
774	<	CXXFLAGS="$CXXFLAGS -fomit-frame-pointer"
774	>	CXXFLAGS="$CXXFLAGS -fomit-frame-pointer -fno-exceptions"
775	>	fi
776	>
777	>	dnl (gb) Do not merge constants since it breaks fpu/fpu_x86.cpp.
778	>	dnl As of 2001/08/02, this affects the following compilers:
779	>	dnl Official: probably gcc-3.1 (mainline CVS)
780	>	dnl Mandrake: gcc-2.96 >= 0.59mdk, gcc-3.0.1 >= 0.1mdk
781	>	dnl Red Hat : gcc-2.96 >= 89, gcc-3.0 >= 1
782	>	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
783	>	SAVED_CXXFLAGS="$CXXFLAGS"
784	>	CXXFLAGS="$CXXFLAGS -fno-merge-constants"
785	>	AC_CACHE_CHECK([whether GCC supports constants merging], ac_cv_gcc_constants_merging, [
786	>	AC_LANG_SAVE
787	>	AC_LANG_CPLUSPLUS
788	>	AC_TRY_COMPILE([],[],[ac_cv_gcc_constants_merging=yes],[ac_cv_gcc_constants_merging=no])
789	>	AC_LANG_RESTORE
790	>	])
791	>	if [[ "x$ac_cv_gcc_constants_merging" != "xyes" ]]; then
792	>	CXXFLAGS="$SAVED_CXXFLAGS"
793	>	fi
794		fi
795
796		dnl Select appropriate CPU source and REGPARAM define.
797		ASM_OPTIMIZATIONS=none
798		CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
517	–	FPUSRCS="../uae_cpu/fpu/fpu_uae.cpp"
799		if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" -a "x$OS_TYPE" != "xfreebsd" ]]; then
800		dnl i386 CPU
801		DEFINES="$DEFINES -DREGPARAM=\"__attribute__((regparm(3)))\""
#	Line 522 | Line 803 | if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE
803		ASM_OPTIMIZATIONS=i386
804		DEFINES="$DEFINES -DX86_ASSEMBLY -DUNALIGNED_PROFITABLE -DOPTIMIZED_FLAGS"
805		CPUSRCS="cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s"
525	–	FPUSRCS="../uae_cpu/fpu_x86.cpp"
806		fi
807		elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
808		dnl SPARC CPU
#	Line 553 | Line 833 | elif [[ "x$WANT_NATIVE_M68K" = "xyes" ]]
833		CPUSRCS="asm_support.s"
834		fi
835
836	<	dnl Select appropriate FPU source.
837	<	dnl 1. Optimized X86 assembly core if target is i386 architecture
838	<	SAVED_DEFINES=$DEFINES
839	<	if [[ "x$FPE_CORE" = "xdefault" ]]; then
840	<	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
841	<	DEFINES="$DEFINES -DFPU_X86"
842	<	FPE_CORE_STR="i386 optimized core"
843	<	FPUSRCS="../uae_cpu/fpu/fpu_x86.cpp"
836	>	dnl Utility macro used by next two tests.
837	>	dnl AC_EXAMINE_OBJECT(C source code,
838	>	dnl     commands examining object file,
839	>	dnl     [commands to run if compile failed]):
840	>	dnl
841	>	dnl Compile the source code to an object file; then convert it into a
842	>	dnl printable representation.  All unprintable characters and
843	>	dnl asterisks (*) are replaced by dots (.).  All white space is
844	>	dnl deleted.  Newlines (ASCII 0x10) in the input are preserved in the
845	>	dnl output, but runs of newlines are compressed to a single newline.
846	>	dnl Finally, line breaks are forcibly inserted so that no line is
847	>	dnl longer than 80 columns and the file ends with a newline.  The
848	>	dnl result of all this processing is in the file conftest.dmp, which
849	>	dnl may be examined by the commands in the second argument.
850	>	dnl
851	>	AC_DEFUN([gcc_AC_EXAMINE_OBJECT],
852	>	[AC_LANG_SAVE
853	>	AC_LANG_C
854	>	dnl Next bit cribbed from AC_TRY_COMPILE.
855	>	cat > conftest.$ac_ext <<EOF
856	>	[#line __oline__ "configure"
857	>	#include "confdefs.h"
858	>	$1
859	>	]EOF
860	>	if AC_TRY_EVAL(ac_compile); then
861	>	od -c conftest.o |
862	>	sed ['s/^[0-7]*[    ]*/ /
863	>	s/\*/./g
864	>	s/ \\n/*/g
865	>	s/ [0-9][0-9][0-9]/./g
866	>	s/  \\[^ ]/./g'] |
867	>	tr -d '
868	>	' | tr -s '*' '
869	>	' | fold | sed '$a\
870	>	' > conftest.dmp
871	>	$2
872	>	ifelse($3, , , else
873	>	$3
874	>	)dnl
875	>	fi
876	>	rm -rf conftest*
877	>	AC_LANG_RESTORE])
878	>
879	>	dnl Floating point format probe.
880	>	dnl The basic concept is the same as the above: grep the object
881	>	dnl file for an interesting string.  We have to watch out for
882	>	dnl rounding changing the values in the object, however; this is
883	>	dnl handled by ignoring the least significant byte of the float.
884	>	dnl
885	>	dnl Does not know about VAX G-float or C4x idiosyncratic format.
886	>	dnl It does know about PDP-10 idiosyncratic format, but this is
887	>	dnl not presently supported by GCC.  S/390 "binary floating point"
888	>	dnl is in fact IEEE (but maybe we should have that in EBCDIC as well
889	>	dnl as ASCII?)
890	>	dnl
891	>	AC_DEFUN([gcc_AC_C_FLOAT_FORMAT],
892	>	[AC_CACHE_CHECK(floating point format, ac_cv_c_float_format,
893	>	[gcc_AC_EXAMINE_OBJECT(
894	>	[/* This will not work unless sizeof(double) == 8.  */
895	>	extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1];
896	>
897	>	/* This structure must have no internal padding.  */
898	>	struct possibility {
899	>	char prefix[8];
900	>	double candidate;
901	>	char postfix[8];
902	>	};
903	>
904	>	#define C(cand) { "\nformat:", cand, ":tamrof\n" }
905	>	struct possibility table [] =
906	>	{
907	>	C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */
908	>	C( 3.53802595280598432000e+18), /* D__float - VAX */
909	>	C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */
910	>	C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */
911	>	C(-5.22995989424860458374e+10)  /* IBMHEXFP - s/390 format, EBCDIC */
912	>	};],
913	>	[if   grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then
914	>	ac_cv_c_float_format='IEEE (big-endian)'
915	>	elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then
916	>	ac_cv_c_float_format='IEEE (big-endian)'
917	>	elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then
918	>	ac_cv_c_float_format='IEEE (little-endian)'
919	>	elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then
920	>	ac_cv_c_float_format='IEEE (little-endian)'
921	>	elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then
922	>	ac_cv_c_float_format='VAX D-float'
923	>	elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then
924	>	ac_cv_c_float_format='PDP-10'
925	>	elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then
926	>	ac_cv_c_float_format='IBM 370 hex'
927		else
928	<	FPE_CORE="uae"
929	<	fi
928	>	AC_MSG_ERROR(Unknown floating point format)
929	>	fi],
930	>	[AC_MSG_ERROR(compile failed)])
931	>	])
932	>	# IEEE is the default format.  If the float endianness isn't the same
933	>	# as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN
934	>	# (which is a tristate: yes, no, default).  This is only an issue with
935	>	# IEEE; the other formats are only supported by a few machines each,
936	>	# all with the same endianness.
937	>	format=IEEE_FLOAT_FORMAT
938	>	fbigend=
939	>	case $ac_cv_c_float_format in
940	>	'IEEE (big-endian)' )
941	>	if test $ac_cv_c_bigendian = no; then
942	>	fbigend=1
943	>	fi
944	>	;;
945	>	'IEEE (little-endian)' )
946	>	if test $ac_cv_c_bigendian = yes; then
947	>	fbigend=0
948	>	fi
949	>	;;
950	>	'VAX D-float' )
951	>	format=VAX_FLOAT_FORMAT
952	>	;;
953	>	'PDP-10' )
954	>	format=PDP10_FLOAT_FORMAT
955	>	;;
956	>	'IBM 370 hex' )
957	>	format=IBM_FLOAT_FORMAT
958	>	;;
959	>	esac
960	>	AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format,
961	>	[Define to the floating point format of the host machine.])
962	>	if test -n "$fbigend"; then
963	>	AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend,
964	>	[Define to 1 if the host machine stores floating point numbers in
965	>	memory with the word containing the sign bit at the lowest address,
966	>	or to 0 if it does it the other way around.
967	>
968	>	This macro should not be defined if the ordering is the same as for
969	>	multi-word integers.])
970		fi
971	+	])
972	+
973	+	dnl Select appropriate FPU source.
974	+	gcc_AC_C_FLOAT_FORMAT
975	+	AC_CHECK_HEADERS(ieee754.h ieeefp.h floatingpoint.h nan.h)
976
977	<	dnl 2. JIT-FPU only supports IEEE-based implementation.
978	<	if [[ "x$WANT_JIT_FPU" = "xyes" -a "x$FPE_CORE" != "xieee" ]]; then
979	<	AC_MSG_WARN([Sorry, JIT-FPU supports only the "ieee" FPE implementation])
980	<	FPE_CORE="ieee"
981	<	dnl Restore previous variables. FPE_CORE_STR and FPUSRCS are overwritten
982	<	DEFINES=$SAVED_DEFINES
983	<	fi
984	<
985	<	dnl 3. Choose either IEEE-based implementation or the old UAE core
986	<	if [[ "x$FPE_CORE" = "xieee" ]]; then
987	<	AC_CHECK_HEADERS(fenv.h)
988	<	AC_CHECK_FUNCS(feclearexcept fegetexceptflag feraiseexcept fesetexceptflag fetestexcept)
989	<	AC_CHECK_FUNCS(fegetround fesetround)
990	<	DEFINES="$DEFINES -DFPU_IEEE"
991	<	FPE_CORE_STR="ieee-based fpu core"
992	<	FPUSRCS="../uae_cpu/fpu/fpu_ieee.cpp"
993	<	elif [[ "x$FPE_CORE" = "xuae" ]]; then
994	<	DEFINES="$DEFINES -DFPU_UAE"
995	<	FPE_CORE_STR="original uae core"
996	<	FPUSRCS="../uae_cpu/fpu/fpu_uae.cpp"
977	>	for fpe in $FPE_CORE_TEST_ORDER; do
978	>	case $fpe in
979	>	ieee)
980	>	if echo "$ac_cv_c_float_format" | grep -q IEEE; then
981	>	FPE_CORE="IEEE fpu core"
982	>	DEFINES="$DEFINES -DFPU_IEEE"
983	>	FPUSRCS="../uae_cpu/fpu/fpu_ieee.cpp"
984	>	break
985	>	fi
986	>	;;
987	>	x86)
988	>	if [[ ":$HAVE_GCC27:$HAVE_I386:$HAVE_GAS:" = ":yes:yes:yes:" ]]; then
989	>	FPE_CORE="i387 fpu core"
990	>	DEFINES="$DEFINES -DFPU_X86"
991	>	FPUSRCS="../uae_cpu/fpu/fpu_x86.cpp"
992	>	break
993	>	fi
994	>	;;
995	>	uae)
996	>	FPE_CORE="uae fpu core"
997	>	DEFINES="$DEFINES -DFPU_UAE"
998	>	FPUSRCS="../uae_cpu/fpu/fpu_uae.cpp"
999	>	break
1000	>	;;
1001	>	*)
1002	>	AC_MSG_ERROR([Internal configure.in script error for $fpe fpu core])
1003	>	;;
1004	>	esac
1005	>	done
1006	>	if [[ "x$FPE_CORE" = "x" ]]; then
1007	>	AC_MSG_ERROR([Sorry, no suitable FPU core found in $FPE_CORE_TEST_ORDER])
1008		fi
1009
1010		dnl Check for certain math functions
#	Line 601 | Line 1020 | fi
1020
1021		dnl Remove the "-g" option if set for GCC.
1022		if [[ "x$HAVE_GCC27" = "xyes" ]]; then
1023	<	dnl gb-- Probably not the cleanest way to take
1024	<	CFLAGS=`echo $CFLAGS | sed -e 's/ -g / /;s/^-g / /;s/ -g$/ /;s/^-g$//'`
606	<	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/ -g / /;s/^-g / /;s/ -g$/ /;s/^-g$//'`
1023	>	CFLAGS=`echo $CFLAGS | sed -e 's/-g//g'`
1024	>	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/-g//g'`
1025		fi
1026
1027		dnl Or if we have -Ofast
1028		if [[ "x$HAVE_OFAST" = "xyes" ]]; then
1029	<	CFLAGS=`echo $CFLAGS | sed -e 's/ -g / -Ofast /;s/^-g /-Ofast /;s/-g$/ -Ofast/;s/^-g$/-Ofast/'`
1030	<	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/ -g / -Ofast /;s/^-g /-Ofast /;s/ -g$/ -Ofast/;s/^-g$/-Ofast/'`
1029	>	CFLAGS="`echo $CFLAGS | sed -e 's/-g//g'` -Ofast"
1030	>	CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-g//g'` -Ofast"
1031		CXXFLAGS="-LANG:std $CXXFLAGS"
1032	<	LDFLAGS="$LDFLAGS -Ofast"
1032	>	LDFLAGS="$LDFLAGS -ipa"
1033		fi
1034
1035		dnl Generate Makefile.
#	Line 625 | Line 1043 | dnl Print summary.
1043		echo
1044		echo Basilisk II configuration summary:
1045		echo
1046	<	echo XFree86 DGA support .............. : $WANT_XF86_DGA
1047	<	echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
1048	<	echo fbdev DGA support ................ : $WANT_FBDEV_DGA
1049	<	echo Enable video on SEGV signals ..... : $WANT_VOSF
1050	<	echo ESD sound support ................ : $WANT_ESD
1051	<	echo GTK user interface ............... : $WANT_GTK
1052	<	echo mon debugger support ............. : $WANT_MON
1053	<	echo Running m68k code natively ....... : $WANT_NATIVE_M68K
1054	<	echo Floating-Point emulation core .... : $FPE_CORE_STR
1055	<	echo Assembly optimizations ........... : $ASM_OPTIMIZATIONS
1056	<	echo Addressing mode .................. : $ADDRESSING_MODE
1046	>	echo XFree86 DGA support .................... : $WANT_XF86_DGA
1047	>	echo XFree86 VidMode support ................ : $WANT_XF86_VIDMODE
1048	>	echo fbdev DGA support ...................... : $WANT_FBDEV_DGA
1049	>	echo Enable video on SEGV signals ........... : $WANT_VOSF
1050	>	echo ESD sound support ...................... : $WANT_ESD
1051	>	echo GTK user interface ..................... : $WANT_GTK
1052	>	echo mon debugger support ................... : $WANT_MON
1053	>	echo Running m68k code natively ............. : $WANT_NATIVE_M68K
1054	>	echo Floating-Point emulation core .......... : $FPE_CORE
1055	>	echo Assembly optimizations ................. : $ASM_OPTIMIZATIONS
1056	>	echo Addressing mode ........................ : $ADDRESSING_MODE
1057		echo
1058		echo "Configuration done. Now type \"make\" (or \"gmake\")."

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