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

Comparing BasiliskII/src/Unix/configure.in (file contents):
Revision 1.19 by cebix, 2000-07-13T13:47:09Z vs.
Revision 1.48 by cebix, 2001-09-02T13:50:05Z

#	Line 9 | Line 9 | dnl Options.
9		AC_ARG_ENABLE(xf86-dga,      [  --enable-xf86-dga       use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes])
10		AC_ARG_ENABLE(xf86-vidmode,  [  --enable-xf86-vidmode   use the XFree86 VidMode extension [default=yes]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=yes])
11		AC_ARG_ENABLE(fbdev-dga,     [  --enable-fbdev-dga      use direct frame buffer access via /dev/fb [default=yes]], [WANT_FBDEV_DGA=$enableval], [WANT_FBDEV_DGA=yes])
12	+	AC_ARG_ENABLE(vosf,          [  --enable-vosf           enable video on SEGV signals [default=yes]], [WANT_VOSF=$enableval], [WANT_VOSF=yes])
13	+
14	+	dnl FPU emulation core.
15	+	AC_ARG_ENABLE(fpe,
16	+	[  --enable-fpe=which      specify which fpu emulator to use [default=opt]],
17	+	[ case "$enableval" in
18	+	default)    FPE_CORE="default";; dnl fpu_x86.cpp if i386 architecture, fpu_uae.cpp otherwise
19	+	uae)            FPE_CORE="uae";;
20	+	*)                      AC_MSG_ERROR([--enable-fpe takes only one of the following values: default, uae]);;
21	+	esac
22	+	],
23	+	[ FPE_CORE="default"
24	+	])
25	+
26	+	dnl Addressing modes.
27	+	AC_ARG_ENABLE(addressing,
28	+	[  --enable-addressing=AM  specify the addressing mode to use [default=fastest]],
29	+	[ case "$enableval" in
30	+	real)       ADDRESSING_TEST_ORDER="real";;
31	+	direct)     ADDRESSING_TEST_ORDER="direct";;
32	+	banks)      ADDRESSING_TEST_ORDER="banks";;
33	+	fastest)ADDRESSING_TEST_ORDER="direct banks";;
34	+	*)          AC_MSG_ERROR([--enable-addressing takes only one of the following values: fastest, real, direct, banks]);;
35	+	esac
36	+	],
37	+	[ ADDRESSING_TEST_ORDER="direct banks"
38	+	])
39	+
40	+	dnl External packages.
41		AC_ARG_WITH(esd,             [  --with-esd              support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes])
42		AC_ARG_WITH(gtk,             [  --with-gtk              use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes])
43		AC_ARG_WITH(mon,             [  --with-mon              use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes])
44
45	+	dnl Canonical system information.
46	+	AC_CANONICAL_HOST
47	+	AC_CANONICAL_TARGET
48	+
49	+	dnl Target OS type (target is host if not cross-compiling).
50	+	case "$target_os" in
51	+	linux*)       OS_TYPE=linux;;
52	+	netbsd*)      OS_TYPE=netbsd;;
53	+	freebsd*)     OS_TYPE=freebsd;;
54	+	solaris*)     OS_TYPE=solaris;;
55	+	darwin*)      OS_TYPE=darwin;;
56	+	*)            OS_TYPE=`echo $target_os | sed -e 's/-/_/g' | sed -e 's/\./_/g'`;;
57	+	esac
58	+	DEFINES="$DEFINES -DOS_$OS_TYPE"
59	+
60	+	dnl Target CPU type.
61	+	HAVE_I386=no
62	+	HAVE_M68K=no
63	+	HAVE_SPARC=no
64	+	HAVE_POWERPC=no
65	+	case "$target_cpu" in
66	+	i386* | i486* | i586* | i686* | i786* ) CPU_TYPE=i386 HAVE_I386=yes;;
67	+	m68k* ) CPU_TYPE=m68k HAVE_M68K=yes;;
68	+	sparc* ) CPU_TYPE=sparc HAVE_SPARC=yes;;
69	+	powerpc* ) CPU_TYPE=powerpc HAVE_POWERPC=yes;;
70	+	*) CPU_TYPE=`echo $target_cpu | sed -e 's/-/_/g'`;;
71	+	esac
72	+	DEFINES="$DEFINES -DCPU_$CPU_TYPE"
73	+
74		dnl Checks for programs.
75		AC_PROG_CC
76	+	AC_PROG_CC_C_O
77		AC_PROG_CPP
78		AC_PROG_CXX
79		AC_PROG_MAKE_SET
80		AC_PROG_INSTALL
81
23	–	dnl Check for i386 target CPU.
24	–	HAVE_I386=no
25	–	AC_MSG_CHECKING(for x86 target CPU)
26	–	AC_EGREP_CPP(yes,
27	–	[
28	–	#ifdef __i386__
29	–	yes
30	–	#endif
31	–	], [AC_MSG_RESULT(yes); HAVE_I386=yes], AC_MSG_RESULT(no))
32	–
33	–	dnl Check for SPARC target CPU.
34	–	HAVE_SPARC=no
35	–	AC_MSG_CHECKING(for SPARC target CPU)
36	–	AC_EGREP_CPP(yes,
37	–	[
38	–	#ifdef __sparc__
39	–	yes
40	–	#endif
41	–	], [AC_MSG_RESULT(yes); HAVE_SPARC=yes], AC_MSG_RESULT(no))
42	–
43	–	dnl Check for m68k target CPU.
44	–	HAVE_M68K=no
45	–	AC_MSG_CHECKING(for m68k target CPU)
46	–	AC_EGREP_CPP(yes,
47	–	[
48	–	#ifdef __m68k__
49	–	yes
50	–	#endif
51	–	], [AC_MSG_RESULT(yes); HAVE_M68K=yes], AC_MSG_RESULT(no))
52	–
82		dnl We use mon if possible.
83		MONSRCS=
84		if [[ "x$WANT_MON" = "xyes" ]]; then
85		AC_MSG_CHECKING(for mon)
86	<	if grep mon_init ../../../mon/src/mon.h >/dev/null 2>/dev/null; then
86	>	mon_srcdir=../../../mon/src
87	>	if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
88		AC_MSG_RESULT(yes)
89		AC_DEFINE(ENABLE_MON)
90	<	MONSRCS="../../../mon/src/mon.cpp ../../../mon/src/mon_6502.cpp ../../../mon/src/mon_68k.cpp ../../../mon/src/mon_8080.cpp ../../../mon/src/mon_cmd.cpp ../../../mon/src/mon_ppc.cpp ../../../mon/src/mon_x86.cpp"
91	<	CXXFLAGS="$CXXFLAGS -I../../../mon/src"
90	>	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 $mon_srcdir/disass/m68k-opc.c"
91	>	CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass"
92		AC_CHECK_LIB(readline, readline)
93		AC_CHECK_LIB(termcap, tputs)
94		AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
#	Line 71 | Line 101 | fi
101
102		dnl Checks for libraries.
103		AC_CHECK_LIB(posix4, sem_init)
104	+	AC_CHECK_LIB(rt, timer_create)
105
106		dnl We need X11.
107		AC_PATH_XTRA
#	Line 98 | Line 129 | AC_CHECK_FUNCS(pthread_cancel)
129		dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
130		SEMSRC=
131		AC_CHECK_FUNCS(sem_init, , [
132	<	if [ "x$HAVE_PTHREADS" = "xyes" ]; then
132	>	if test "x$HAVE_PTHREADS" = "xyes"; then
133		SEMSRC=posix_sem.cpp
134		fi
135		])
#	Line 162 | Line 193 | fi
193
194		dnl Checks for header files.
195		AC_HEADER_STDC
196	<	AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h)
196	>	AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h sys/mman.h)
197
198		dnl Checks for typedefs, structures, and compiler characteristics.
199		AC_C_BIGENDIAN
#	Line 172 | Line 203 | AC_CHECK_SIZEOF(short, 2)
203		AC_CHECK_SIZEOF(int, 4)
204		AC_CHECK_SIZEOF(long, 4)
205		AC_CHECK_SIZEOF(long long, 8)
206	+	AC_CHECK_SIZEOF(void *, 4)
207		AC_TYPE_OFF_T
208		AC_CHECK_TYPE(loff_t, off_t)
209	+	TYPE_SOCKLEN_T
210		AC_TYPE_SIZE_T
211	+	AC_TYPE_SIGNAL
212		AC_HEADER_TIME
213		AC_STRUCT_TM
214
215		dnl Checks for library functions.
216		AC_CHECK_FUNCS(strdup cfmakeraw)
217	<	AC_CHECK_FUNCS(nanosleep clock_gettime timer_create)
217	>	AC_CHECK_FUNCS(clock_gettime timer_create)
218	>	AC_CHECK_FUNCS(sigaction signal)
219	>	AC_CHECK_FUNCS(mmap mprotect munmap)
220	>	AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
221	>
222	>	dnl Darwin seems to define mach_task_self() instead of task_self().
223	>	AC_CHECK_FUNCS(mach_task_self task_self)
224
225		dnl Select system-dependant source files.
226		SERIALSRC=serial_unix.cpp
#	Line 188 | Line 228 | ETHERSRC=../dummy/ether_dummy.cpp
228		SCSISRC=../dummy/scsi_dummy.cpp
229		AUDIOSRC=../dummy/audio_dummy.cpp
230		EXTRASYSSRCS=
231	<	SUPPORTS_NATIVE_M68K=no
232	<	if MACHINE=`uname -s 2>/dev/null`; then
233	<	case "$MACHINE" in
234	<	Linux*)
235	<	ETHERSRC=Linux/ether_linux.cpp
236	<	SCSISRC=Linux/scsi_linux.cpp
237	<	AUDIOSRC=audio_oss_esd.cpp
238	<	;;
239	<	FreeBSD*3.*)
240	<	AUDIOSRC=audio_oss_esd.cpp
241	<	DEFINES="$DEFINES -DBSD_COMP"
242	<	dnl Check for the CAM library
243	<	AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
244	<	if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
245	<	AC_MSG_WARN([Cannot find libcam for SCSI management, disabling SCSI support.])
231	>	CAN_NATIVE_M68K=no
232	>	case "$target_os" in
233	>	linux*)
234	>	ETHERSRC=ether_unix.cpp
235	>	AUDIOSRC=audio_oss_esd.cpp
236	>	SCSISRC=Linux/scsi_linux.cpp
237	>	;;
238	>	freebsd*)
239	>	ETHERSRC=ether_unix.cpp
240	>	AUDIOSRC=audio_oss_esd.cpp
241	>	DEFINES="$DEFINES -DBSD_COMP"
242	>	CXXFLAGS="$CXXFLAGS -fpermissive"
243	>	dnl Check for the CAM library
244	>	AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
245	>	if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
246	>	AC_MSG_WARN([Cannot find libcam for SCSI management, disabling SCSI support.])
247	>	else
248	>	dnl Check for the sys kernel includes
249	>	AC_CHECK_HEADER(camlib.h)
250	>	if [[ "x$ac_cv_header_camlib_h" = "xno" ]]; then
251	>	dnl In this case I should fix this thing including a "patch"
252	>	dnl to access directly to the functions in the kernel :) --Orlando
253	>	AC_MSG_WARN([Cannot find includes for CAM library, disabling SCSI support.])
254		else
255	<	dnl Check for the sys kernel includes
256	<	AC_CHECK_HEADER(/sys/cam/cam.h)
257	<	if [[ "x$ac_cv_header__sys_cam_cam_h" = "xno" ]]; then
210	<	dnl In this case I should fix this thing including a "patch"
211	<	dnl to access directly to the functions in the kernel :) --Orlando
212	<	AC_MSG_WARN([Cannot find kernel includes for CAM library, disabling SCSI support.])
213	<	else
214	<	SCSISRC=FreeBSD/scsi_freebsd.cpp
215	<	CXXFLAGS="$CXXFLAGS -I/sys"
216	<	CFLAGS="$CFLAGS -I/sys"
217	<	LIBS="$LIBS -lcam"
218	<	DEFINES="$DEFINES -DCAM"
219	<	fi
255	>	SCSISRC=FreeBSD/scsi_freebsd.cpp
256	>	LIBS="$LIBS -lcam"
257	>	DEFINES="$DEFINES -DCAM"
258		fi
259	<	;;
260	<	FreeBSD*)
261	<	DEFINES="$DEFINES -DBSD_COMP"
262	<	dnl Check for the SCSI library
263	<	AC_CHECK_LIB(scsi, scsi_open, HAVE_LIBSCSI=yes, HAVE_LIBSCSI=no)
264	<	if [[ "x$HAVE_LIBSCSI" = "xno" ]]; then
265	<	AC_MSG_WARN([Cannot find libscsi for SCSI management, disabling SCSI support.])
266	<	else
267	<	dnl Check for the sys kernel includes
268	<	AC_CHECK_HEADER(scsi.h sys/scsiio.h)
269	<	if [[ "x$ac_cv_header_scsi_h" = "xno" ]]; then
270	<	AC_MSG_WARN([Cannot find includes for the SCSI library, disabling SCSI support.])
271	<	else
272	<	SCSISRC=FreeBSD/scsi_freebsd.cpp
273	<	LIBS="$LIBS -lscsi"
274	<	fi
275	<	fi
276	<	;;
277	<	NetBSD*)
278	<	SUPPORTS_NATIVE_M68K=yes
279	<	;;
280	<	SunOS*)
281	<	AUDIOSRC=Solaris/audio_solaris.cpp
282	<	DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
283	<	;;
284	<	IRIX*)
285	<	EXTRASYSSRCS=Irix/unaligned.c
286	<	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200"
287	<	LIBS="$LIBS -lm"
288	<	;;
289	<	esac
259	>	fi
260	>	;;
261	>	netbsd*)
262	>	CAN_NATIVE_M68K=yes
263	>	;;
264	>	solaris*)
265	>	AUDIOSRC=Solaris/audio_solaris.cpp
266	>	DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
267	>	;;
268	>	irix*)
269	>	ETHERSRC=ether_unix.cpp
270	>	AUDIOSRC=Irix/audio_irix.cpp
271	>	EXTRASYSSRCS=Irix/unaligned.c
272	>	dnl IRIX headers work fine, but somehow don't define or use "STDC_HEADERS"
273	>	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200 -DSTDC_HEADERS"
274	>	LIBS="$LIBS -laudio"
275	>	WANT_ESD=no
276	>
277	>	dnl Check if our compiler supports -Ofast (MIPSPro)
278	>	HAVE_OFAST=no
279	>	ocflags="$CFLAGS"
280	>	CFLAGS=`echo $CFLAGS | sed -e 's/ -g / -Ofast /;s/^-g /-Ofast /;s/-g$/ -Ofast/;s/^-g$/-Ofast/'`
281	>	AC_MSG_CHECKING(if "-Ofast" works)
282	>	dnl Do a test compile of an empty function
283	>	AC_TRY_COMPILE(,, [AC_MSG_RESULT(yes); HAVE_OFAST=yes], AC_MSG_RESULT(no))
284	>	CFLAGS="$ocflags"
285	>
286	>	;;
287	>	esac
288	>
289	>	dnl Use 68k CPU natively?
290	>	WANT_NATIVE_M68K=no
291	>	if [[ "x$HAVE_M68K" = "xyes" -a "x$CAN_NATIVE_M68K" = "xyes" ]]; then
292	>	AC_DEFINE(ENABLE_NATIVE_M68K)
293	>	WANT_NATIVE_M68K=yes
294		fi
295	+
296		if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
297		dnl Serial, ethernet and audio support needs pthreads
298		AC_MSG_WARN([You don't have pthreads, disabling serial, ethernet and audio support.])
#	Line 259 | Line 302 | if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
302		fi
303		SYSSRCS="$SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
304
305	+	dnl Define a macro that translates a yesno-variable into a C macro definition
306	+	dnl to be put into the config.h file
307	+	dnl $1 -- the macro to define
308	+	dnl $2 -- the value to translate
309	+	AC_DEFUN(AC_TRANSLATE_DEFINE, [
310	+	if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then
311	+	AC_DEFINE($1)
312	+	fi
313	+	])
314	+
315	+	dnl Various checks if the system supports vm_allocate() and the like functions.
316	+	have_mach_vm=no
317	+	if [[ "x$ac_cv_func_vm_allocate" = "xyes" -a "x$ac_cv_func_vm_deallocate" = "xyes" -a \
318	+	"x$ac_cv_func_vm_protect" = "xyes" ]]; then
319	+	have_mach_vm=yes
320	+	fi
321	+	AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm")
322	+
323	+	dnl Check that vm_allocate(), vm_protect() work
324	+	if [[ "x$have_mach_vm" = "xyes" ]]; then
325	+
326	+	AC_CACHE_CHECK("whether vm_protect works",
327	+	ac_cv_vm_protect_works, [
328	+	AC_LANG_SAVE
329	+	AC_LANG_CPLUSPLUS
330	+	ac_cv_vm_protect_works=yes
331	+	dnl First the tests that should segfault
332	+	for test_def in NONE_READ NONE_WRITE READ_WRITE; do
333	+	AC_TRY_RUN([
334	+	#define CONFIGURE_TEST_VM_MAP
335	+	#define TEST_VM_PROT_$test_def
336	+	#include "vm_alloc.cpp"
337	+	], ac_cv_vm_protect_works=no, rm -f core,
338	+	dnl When cross-compiling, do not assume anything
339	+	ac_cv_vm_protect_works="guessing no"
340	+	)
341	+	done
342	+	AC_TRY_RUN([
343	+	#define CONFIGURE_TEST_VM_MAP
344	+	#define TEST_VM_PROT_RDWR_WRITE
345	+	#include "vm_alloc.cpp"
346	+	], , ac_cv_vm_protect_works=no,
347	+	dnl When cross-compiling, do not assume anything
348	+	ac_cv_vm_protect_works="guessing no"
349	+	)
350	+	AC_LANG_RESTORE
351	+	]
352	+	)
353	+
354	+	dnl Remove support for vm_allocate() if vm_protect() does not work
355	+	if [[ "x$have_mach_vm" = "xyes" ]]; then
356	+	case $ac_cv_vm_protect_works in
357	+	*yes) have_mach_vm=yes;;
358	+	*no) have_mach_vm=no;;
359	+	esac
360	+	fi
361	+	AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm")
362	+
363	+	fi dnl HAVE_MACH_VM
364	+
365	+	dnl Various checks if the system supports mmap() and the like functions.
366	+	dnl ... and Mach memory allocators are not supported
367	+	have_mmap_vm=no
368	+	if [[ "x$ac_cv_func_mmap" = "xyes" -a "x$ac_cv_func_munmap" = "xyes" -a \
369	+	"x$ac_cv_func_mprotect" = "xyes" ]]; then
370	+	if [[ "x$have_mach_vm" = "xno" ]]; then
371	+	have_mmap_vm=yes
372	+	fi
373	+	fi
374	+	AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, "$have_mmap_vm")
375	+
376	+	dnl Check that mmap() and associated functions work.
377	+	if [[ "x$have_mmap_vm" = "xyes" ]]; then
378	+
379	+	dnl Check if we have a working anonymous mmap()
380	+	AC_CACHE_CHECK("whether mmap supports MAP_ANON",
381	+	ac_cv_mmap_anon, [
382	+	AC_LANG_SAVE
383	+	AC_LANG_CPLUSPLUS
384	+	AC_TRY_RUN([
385	+	#define HAVE_MMAP_ANON
386	+	#define CONFIGURE_TEST_VM_MAP
387	+	#define TEST_VM_MMAP_ANON
388	+	#include "vm_alloc.cpp"
389	+	], ac_cv_mmap_anon=yes, ac_cv_mmap_anon=no,
390	+	dnl When cross-compiling, do not assume anything.
391	+	ac_cv_mmap_anon="guessing no"
392	+	)
393	+	AC_LANG_RESTORE
394	+	]
395	+	)
396	+	AC_TRANSLATE_DEFINE(HAVE_MMAP_ANON, "$ac_cv_mmap_anon")
397	+
398	+	AC_CACHE_CHECK("whether mmap supports MAP_ANONYMOUS",
399	+	ac_cv_mmap_anonymous, [
400	+	AC_LANG_SAVE
401	+	AC_LANG_CPLUSPLUS
402	+	AC_TRY_RUN([
403	+	#define HAVE_MMAP_ANONYMOUS
404	+	#define CONFIGURE_TEST_VM_MAP
405	+	#define TEST_VM_MMAP_ANON
406	+	#include "vm_alloc.cpp"
407	+	], ac_cv_mmap_anonymous=yes, ac_cv_mmap_anonymous=no,
408	+	dnl When cross-compiling, do not assume anything.
409	+	ac_cv_mmap_anonymous="guessing no"
410	+	)
411	+	AC_LANG_RESTORE
412	+	]
413	+	)
414	+	AC_TRANSLATE_DEFINE(HAVE_MMAP_ANONYMOUS, "$ac_cv_mmap_anonymous")
415	+
416	+	AC_CACHE_CHECK("whether mprotect works",
417	+	ac_cv_mprotect_works, [
418	+	AC_LANG_SAVE
419	+	AC_LANG_CPLUSPLUS
420	+	ac_cv_mprotect_works=yes
421	+	dnl First the tests that should segfault
422	+	for test_def in NONE_READ NONE_WRITE READ_WRITE; do
423	+	AC_TRY_RUN([
424	+	#define CONFIGURE_TEST_VM_MAP
425	+	#define TEST_VM_PROT_$test_def
426	+	#include "vm_alloc.cpp"
427	+	], ac_cv_mprotect_works=no, rm -f core,
428	+	dnl When cross-compiling, do not assume anything
429	+	ac_cv_mprotect_works="guessing no"
430	+	)
431	+	done
432	+	AC_TRY_RUN([
433	+	#define CONFIGURE_TEST_VM_MAP
434	+	#define TEST_VM_PROT_RDWR_WRITE
435	+	#include "vm_alloc.cpp"
436	+	], , ac_cv_mprotect_works=no,
437	+	dnl When cross-compiling, do not assume anything
438	+	ac_cv_mprotect_works="guessing no"
439	+	)
440	+	AC_LANG_RESTORE
441	+	]
442	+	)
443	+
444	+	dnl Remove support for mmap() if mprotect() does not work
445	+	if [[ "x$have_mmap_vm" = "xyes" ]]; then
446	+	case $ac_cv_mprotect_works in
447	+	*yes) have_mmap_vm=yes;;
448	+	*no) have_mmap_vm=no;;
449	+	esac
450	+	fi
451	+	AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_mmap_vm)
452	+
453	+	fi dnl HAVE_MMAP_VM
454	+
455	+	dnl Check if we can mmap 0x2000 bytes from 0x0000
456	+	AC_CACHE_CHECK("whether we can map Low Memory area 0x0000-0x2000",
457	+	ac_cv_can_map_lm, [
458	+	AC_LANG_SAVE
459	+	AC_LANG_CPLUSPLUS
460	+	AC_TRY_RUN([
461	+	#include "vm_alloc.cpp"
462	+	int main(void) { /* returns 0 if we could map the lowmem globals */
463	+	volatile char * lm;
464	+	if (vm_init() < 0) exit(1);
465	+	if ((lm = (volatile char *)vm_acquire_fixed(0, 0x2000)) == VM_MAP_FAILED) exit(1);
466	+	lm[0] = 'z';
467	+	if (vm_release((char *)lm, 0x2000) < 0) exit(1);
468	+	vm_exit(); exit(0);
469	+	}
470	+	], ac_cv_can_map_lm=yes, ac_cv_can_map_lm=no,
471	+	dnl When cross-compiling, do not assume anything.
472	+	ac_cv_can_map_lm="guessing no"
473	+	)
474	+	AC_LANG_RESTORE
475	+	]
476	+	)
477	+
478	+	dnl Check signal handlers need to be reinstalled
479	+	AC_CACHE_CHECK("whether signal handlers need to be reinstalled",
480	+	ac_cv_signal_need_reinstall, [
481	+	AC_LANG_SAVE
482	+	AC_LANG_CPLUSPLUS
483	+	AC_TRY_RUN([
484	+	#include <stdlib.h>
485	+	#ifdef HAVE_UNISTD_H
486	+	#include <unistd.h>
487	+	#endif
488	+	#include <signal.h>
489	+	static int handled_signal = 0;
490	+	RETSIGTYPE sigusr1_handler(int) { handled_signal++; }
491	+	int main(void) { /* returns 0 if signals need not to be reinstalled */
492	+	signal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
493	+	exit(handled_signal == 2);
494	+	}
495	+	], ac_cv_signal_need_reinstall=yes, ac_cv_signal_need_reinstall=no,
496	+	dnl When cross-compiling, do not assume anything.
497	+	ac_cv_signal_need_reinstall="guessing yes"
498	+	)
499	+	AC_LANG_RESTORE
500	+	]
501	+	)
502	+	AC_TRANSLATE_DEFINE(SIGNAL_NEED_REINSTALL, "$ac_cv_signal_need_reinstall")
503	+
504	+	dnl Check if sigaction handlers need to be reinstalled
505	+	AC_CACHE_CHECK("whether sigaction handlers need to be reinstalled",
506	+	ac_cv_sigaction_need_reinstall, [
507	+	AC_LANG_SAVE
508	+	AC_LANG_CPLUSPLUS
509	+	AC_TRY_RUN([
510	+	#include <stdlib.h>
511	+	#ifdef HAVE_UNISTD_H
512	+	#include <unistd.h>
513	+	#endif
514	+	#include <signal.h>
515	+	static int handled_signal = 0;
516	+	RETSIGTYPE sigusr1_handler(int) { handled_signal++; }
517	+	typedef RETSIGTYPE (*signal_handler)(int);
518	+	static signal_handler mysignal(int sig, signal_handler handler) {
519	+	struct sigaction old_sa;
520	+	struct sigaction new_sa;
521	+	new_sa.sa_handler = handler;
522	+	return ((sigaction(sig,&new_sa,&old_sa) < 0) ? SIG_IGN : old_sa.sa_handler);
523	+	}
524	+	int main(void) { /* returns 0 if signals need not to be reinstalled */
525	+	mysignal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
526	+	exit(handled_signal == 2);
527	+	}
528	+	], ac_cv_sigaction_need_reinstall=yes, ac_cv_sigaction_need_reinstall=no,
529	+	dnl When cross-compiling, do not assume anything.
530	+	ac_cv_sigaction_need_reinstall="guessing yes"
531	+	)
532	+	AC_LANG_RESTORE
533	+	]
534	+	)
535	+	AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall")
536	+
537	+	dnl Check if extended signals are supported.
538	+	AC_CACHE_CHECK("whether your system supports extended signal handlers",
539	+	ac_cv_have_extended_signals, [
540	+	AC_LANG_SAVE
541	+	AC_LANG_CPLUSPLUS
542	+	AC_TRY_RUN([
543	+	#define HAVE_SIGINFO_T 1
544	+	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
545	+	#include "vm_alloc.cpp"
546	+	#include "sigsegv.cpp"
547	+	], ac_cv_have_extended_signals=yes, ac_cv_have_extended_signals=no,
548	+	dnl When cross-compiling, do not assume anything.
549	+	ac_cv_have_extended_signals=no
550	+	)
551	+	AC_LANG_RESTORE
552	+	]
553	+	)
554	+	AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals")
555	+
556	+	dnl Otherwise, check for subterfuges.
557	+	if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
558	+	AC_CACHE_CHECK("whether we then have a subterfuge for your system",
559	+	ac_cv_have_sigcontext_hack, [
560	+	AC_LANG_SAVE
561	+	AC_LANG_CPLUSPLUS
562	+	AC_TRY_RUN([
563	+	#define HAVE_SIGCONTEXT_SUBTERFUGE 1
564	+	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
565	+	#include "vm_alloc.cpp"
566	+	#include "sigsegv.cpp"
567	+	], ac_cv_have_sigcontext_hack=yes, ac_cv_have_sigcontext_hack=no,
568	+	dnl When cross-compiling, do not assume anything.
569	+	ac_cv_have_sigcontext_hack=no
570	+	)
571	+	AC_LANG_RESTORE
572	+	])
573	+	AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, "$ac_cv_have_sigcontext_hack")
574	+	fi
575	+
576	+	dnl Can we do Video on SEGV Signals ?
577	+	CAN_VOSF=no
578	+	if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
579	+	CAN_VOSF=yes
580	+	fi
581	+
582	+	dnl Determine the addressing mode to use
583	+	if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
584	+	ADDRESSING_MODE="real"
585	+	else
586	+	ADDRESSING_MODE=""
587	+	AC_MSG_CHECKING([for the addressing mode to use])
588	+	for am in $ADDRESSING_TEST_ORDER; do
589	+	case $am in
590	+	real)
591	+	dnl Requires ability to mmap() Low Memory globals
592	+	if [[ "x$ac_cv_can_map_lm" = "xno" ]]; then
593	+	continue
594	+	fi
595	+	dnl Requires VOSF screen updates
596	+	if [[ "x$CAN_VOSF" = "xno" ]]; then
597	+	continue
598	+	fi
599	+	dnl Real addressing will probably work.
600	+	ADDRESSING_MODE="real"
601	+	WANT_VOSF=yes dnl we can use VOSF and we need it actually
602	+	DEFINES="$DEFINES -DREAL_ADDRESSING"
603	+	break
604	+	;;
605	+	direct)
606	+	dnl Requires VOSF screen updates
607	+	if [[ "x$CAN_VOSF" = "xyes" ]]; then
608	+	ADDRESSING_MODE="direct"
609	+	WANT_VOSF=yes dnl we can use VOSF and we need it actually
610	+	DEFINES="$DEFINES -DDIRECT_ADDRESSING"
611	+	break
612	+	fi
613	+	;;
614	+	banks)
615	+	dnl Default addressing mode
616	+	ADDRESSING_MODE="memory banks"
617	+	break
618	+	;;
619	+	*)
620	+	AC_MSG_ERROR([Internal configure.in script error for $am addressing mode])
621	+	esac
622	+	done
623	+	AC_MSG_RESULT($ADDRESSING_MODE)
624	+	if [[ "x$ADDRESSING_MODE" = "x" ]]; then
625	+	AC_MSG_WARN([Sorry, no suitable addressing mode in $ADDRESSING_TEST_ORDER])
626	+	ADDRESSING_MODE="memory banks"
627	+	fi
628	+	fi
629	+
630	+	dnl Enable VOSF screen updates with this feature is requested and feasible
631	+	if [[ "x$WANT_VOSF" = "xyes" -a "x$CAN_VOSF" = "xyes" ]]; then
632	+	AC_DEFINE(ENABLE_VOSF)
633	+	else
634	+	WANT_VOSF=no
635	+	fi
636	+
637		dnl Check for GAS.
638		HAVE_GAS=no
639		AC_MSG_CHECKING(for GAS .p2align feature)
#	Line 278 | Line 653 | AC_EGREP_CPP(yes,
653		#endif
654		], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
655
656	+	dnl Check for GCC 3.0 or higher.
657	+	HAVE_GCC30=no
658	+	AC_MSG_CHECKING(for GCC 3.0 or higher)
659	+	AC_EGREP_CPP(yes,
660	+	[#if __GNUC__ >= 3
661	+	yes
662	+	#endif
663	+	], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
664	+
665		dnl Set "-fomit-frame-pointer" on i386 GCC 2.7 or higher.
666		if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
667		CFLAGS="$CFLAGS -fomit-frame-pointer"
668		CXXFLAGS="$CXXFLAGS -fomit-frame-pointer"
669		fi
670
671	+	dnl (gb) Do not merge constants since it breaks fpu/fpu_x86.cpp.
672	+	dnl As of 2001/08/02, this affects the following compilers:
673	+	dnl Official: probably gcc-3.1 (mainline CVS)
674	+	dnl Mandrake: gcc-2.96 >= 0.59mdk, gcc-3.0.1 >= 0.1mdk
675	+	dnl Red Hat : gcc-2.96 >= 89, gcc-3.0 >= 1
676	+	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
677	+	SAVED_CXXFLAGS="$CXXFLAGS"
678	+	CXXFLAGS="$CXXFLAGS -fno-merge-constants"
679	+	AC_CACHE_CHECK([whether GCC supports constants merging], ac_cv_gcc_constants_merging, [
680	+	AC_LANG_SAVE
681	+	AC_LANG_CPLUSPLUS
682	+	AC_TRY_COMPILE([],[],[ac_cv_gcc_constants_merging=yes],[ac_cv_gcc_constants_merging=no])
683	+	AC_LANG_RESTORE
684	+	])
685	+	if [[ "x$ac_cv_gcc_constants_merging" != "xyes" ]]; then
686	+	CXXFLAGS="$SAVED_CXXFLAGS"
687	+	fi
688	+	fi
689	+
690		dnl Select appropriate CPU source and REGPARAM define.
691	<	WANT_X86_ASSEMBLY=no
289	<	WANT_SPARC_V8_ASSEMBLY=no
290	<	WANT_SPARC_V9_ASSEMBLY=no
291	<	WANT_NATIVE_M68K=no
691	>	ASM_OPTIMIZATIONS=none
692		CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
693	<	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
693	>	FPUSRCS="../uae_cpu/fpu/fpu_uae.cpp"
694	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" -a "x$OS_TYPE" != "xfreebsd" ]]; then
695		dnl i386 CPU
696		DEFINES="$DEFINES -DREGPARAM=\"__attribute__((regparm(3)))\""
697		if [[ "x$HAVE_GAS" = "xyes" ]]; then
698	<	WANT_X86_ASSEMBLY=yes
699	<	DEFINES="$DEFINES -DX86_ASSEMBLY"
700	<	CPUSRCS="../uae_cpu/compiler.cpp cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s"
698	>	ASM_OPTIMIZATIONS=i386
699	>	DEFINES="$DEFINES -DX86_ASSEMBLY -DUNALIGNED_PROFITABLE -DOPTIMIZED_FLAGS"
700	>	CPUSRCS="cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s"
701	>	FPUSRCS="../uae_cpu/fpu_x86.cpp"
702		fi
703		elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
704		dnl SPARC CPU
705	<	case "$MACHINE" in
706	<	SunOS*)
705	>	case "$target_os" in
706	>	solaris*)
707		AC_MSG_CHECKING(SPARC CPU architecture)
708		SPARC_TYPE=`Solaris/which_sparc`
709		AC_MSG_RESULT($SPARC_TYPE)
710		case "$SPARC_TYPE" in
711		SPARC_V8)
712	<	WANT_SPARC_V8_ASSEMBLY=yes
713	<	DEFINES="$DEFINES -DSPARC_V8_ASSEMBLY"
712	>	ASM_OPTIMIZATIONS="SPARC V8 architecture"
713	>	DEFINES="$DEFINES -DSPARC_V8_ASSEMBLY" dnl -DOPTIMIZED_FLAGS"
714		CFLAGS="$CFLAGS -Wa,-Av8"
715		CXXFLAGS="$CXXFLAGS -Wa,-Av8"
716		;;
717		SPARC_V9)
718	<	WANT_SPARC_V9_ASSEMBLY=yes
719	<	DEFINES="$DEFINES -DSPARC_V9_ASSEMBLY"
718	>	ASM_OPTIMIZATIONS="SPARC V9 architecture"
719	>	DEFINES="$DEFINES -DSPARC_V9_ASSEMBLY" dnl -DOPTIMIZED_FLAGS"
720		CFLAGS="$CFLAGS -Wa,-Av9"
721		CXXFLAGS="$CXXFLAGS -Wa,-Av9"
722		;;
723		esac
724		;;
725		esac
726	<	elif [[ "x$HAVE_M68K" = "xyes" -a "x$SUPPORTS_NATIVE_M68K" = "xyes" ]]; then
726	>	elif [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
727		dnl Native m68k, no emulation
728	<	CPUSRCS=""
729	<	AC_DEFINE(ENABLE_NATIVE_M68K)
730	<	WANT_NATIVE_M68K=yes
728	>	CPUINCLUDES="-I../native_cpu"
729	>	CPUSRCS="asm_support.s"
730	>	fi
731	>
732	>	dnl Select appropriate FPU source.
733	>	dnl 1. Optimized X86 assembly core if target is i386 architecture
734	>	SAVED_DEFINES=$DEFINES
735	>	if [[ "x$FPE_CORE" = "xdefault" ]]; then
736	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
737	>	DEFINES="$DEFINES -DFPU_X86"
738	>	FPE_CORE_STR="i386 optimized core"
739	>	FPUSRCS="../uae_cpu/fpu/fpu_x86.cpp"
740	>	FPE_CORE="i386"
741	>	else
742	>	FPE_CORE="uae"
743	>	fi
744		fi
745
746	+	dnl 2. JIT-FPU only supports IEEE-based implementation.
747	+	if [[ "x$WANT_JIT_FPU" = "xyes" -a "x$FPE_CORE" != "xieee" ]]; then
748	+	AC_MSG_WARN([Sorry, JIT-FPU supports only the "ieee" FPE implementation])
749	+	FPE_CORE="ieee"
750	+	dnl Restore previous variables. FPE_CORE_STR and FPUSRCS are overwritten
751	+	DEFINES=$SAVED_DEFINES
752	+	fi
753	+
754	+	dnl 3. Choose either IEEE-based implementation or the old UAE core
755	+	if [[ "x$FPE_CORE" = "xieee" ]]; then
756	+	AC_CHECK_HEADERS(fenv.h)
757	+	AC_CHECK_FUNCS(feclearexcept fegetexceptflag feraiseexcept fesetexceptflag fetestexcept)
758	+	AC_CHECK_FUNCS(fegetround fesetround)
759	+	DEFINES="$DEFINES -DFPU_IEEE"
760	+	FPE_CORE_STR="ieee-based fpu core"
761	+	FPUSRCS="../uae_cpu/fpu/fpu_ieee.cpp"
762	+	elif [[ "x$FPE_CORE" = "xuae" ]]; then
763	+	DEFINES="$DEFINES -DFPU_UAE"
764	+	FPE_CORE_STR="original uae core"
765	+	FPUSRCS="../uae_cpu/fpu/fpu_uae.cpp"
766	+	fi
767	+
768	+	dnl Check for certain math functions
769	+	AC_CHECK_FUNCS(atanh)
770	+	AC_CHECK_FUNCS(isnan isinf)             dnl C99
771	+	AC_CHECK_FUNCS(isnanl isinfl)   dnl IEEE ?
772	+
773		dnl UAE CPU sources for all non-m68k-native architectures.
774		if [[ "x$WANT_NATIVE_M68K" = "xno" ]]; then
775	<	CPUINCLUDES="-I../cpu_cpu"
776	<	CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp ../uae_cpu/fpp.cpp cpustbl.cpp cpudefs.cpp $CPUSRCS"
777	<	else
778	<	CPUINCLUDES="-I../native_cpu"
779	<	CPUSRCS="asm_support.s"
775	>	CPUINCLUDES="-I../uae_cpu"
776	>	CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp $FPUSRCS cpustbl.cpp cpudefs.cpp $CPUSRCS"
777	>	fi
778	>
779	>	dnl Remove the "-g" option if set for GCC.
780	>	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
781	>	CFLAGS=`echo $CFLAGS | sed -e 's/-g//g'`
782	>	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/-g//g'`
783	>	fi
784	>
785	>	dnl Or if we have -Ofast
786	>	if [[ "x$HAVE_OFAST" = "xyes" ]]; then
787	>	CFLAGS="`echo $CFLAGS | sed -e 's/-g//g'` -Ofast"
788	>	CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-g//g'` -Ofast"
789	>	CXXFLAGS="-LANG:std $CXXFLAGS"
790	>	LDFLAGS="$LDFLAGS -Ofast"
791		fi
792
793		dnl Generate Makefile.
#	Line 351 | Line 804 | echo
804		echo XFree86 DGA support .............. : $WANT_XF86_DGA
805		echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
806		echo fbdev DGA support ................ : $WANT_FBDEV_DGA
807	+	echo Enable video on SEGV signals ..... : $WANT_VOSF
808		echo ESD sound support ................ : $WANT_ESD
809		echo GTK user interface ............... : $WANT_GTK
810		echo mon debugger support ............. : $WANT_MON
357	–	echo i386 assembly optimizations ...... : $WANT_X86_ASSEMBLY
358	–	echo SPARC V8 assembly optimizations .. : $WANT_SPARC_V8_ASSEMBLY
359	–	echo SPARC V9 assembly optimizations .. : $WANT_SPARC_V9_ASSEMBLY
811		echo Running m68k code natively ....... : $WANT_NATIVE_M68K
812	+	echo Floating-Point emulation core .... : $FPE_CORE_STR
813	+	echo Assembly optimizations ........... : $ASM_OPTIMIZATIONS
814	+	echo Addressing mode .................. : $ADDRESSING_MODE
815		echo
816		echo "Configuration done. Now type \"make\" (or \"gmake\")."

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