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

Comparing BasiliskII/src/Unix/configure.in (file contents):
Revision 1.16 by cebix, 1999-11-03T10:56:28Z vs.
Revision 1.25 by cebix, 2000-10-08T18:41:34Z

#	Line 6 | Line 6 | AC_PREREQ(2.12)
6		AC_CONFIG_HEADER(config.h)
7
8		dnl Options.
9	<	AC_ARG_ENABLE(xf86-dga,  [  --enable-xf86-dga       use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes])
10	<	AC_ARG_ENABLE(fbdev-dga, [  --enable-fbdev-dga      use direct frame buffer access via /dev/fb [default=yes]], [WANT_FBDEV_DGA=$enableval], [WANT_FBDEV_DGA=yes])
11	<	AC_ARG_WITH(esd,       [  --with-esd              support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes])
12	<	AC_ARG_WITH(gtk,       [  --with-gtk              use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes])
13	<	AC_ARG_WITH(mon,       [  --with-mon              use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes])
9	>	AC_ARG_ENABLE(xf86-dga,      [  --enable-xf86-dga       use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$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=$enableval], [WANT_VOSF=no])
13	>	AC_ARG_ENABLE(16bit-vidmode, [  --enable-16bit-vidmode  enable 16-bit video if possible [default=yes]], [WANT_16BIT_VIDMODE=$enableval], [WANT_16BIT_VIDMODE=yes])
14	>	AC_ARG_ENABLE(addressing,
15	>	[  --enable-addressing=mode specify the addressing mode to use [default=fastest]],
16	>	[ case "$enableval" in
17	>	real)       ADDRESSING_TEST_ORDER="real";;
18	>	direct)     ADDRESSING_TEST_ORDER="direct";;
19	>	banks)      ADDRESSING_TEST_ORDER="banks";;
20	>	dnl fastest)    ADDRESSING_TEST_ORDER="real direct banks";; gb-- will enable later...
21	>	fastest)    ADDRESSING_TEST_ORDER="direct banks";;
22	>	*)          AC_MSG_ERROR([--enable-mem-addressing takes only one of the following values: fastest, real, direct, banks]);;
23	>	esac
24	>	],
25	>	dnl [ ADDRESSING_TEST_ORDER="real direct banks" gb-- will probably reactivate later
26	>	[ ADDRESSING_TEST_ORDER="direct banks"
27	>	])
28	>	AC_ARG_WITH(esd,             [  --with-esd              support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes])
29	>	AC_ARG_WITH(gtk,             [  --with-gtk              use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes])
30	>	AC_ARG_WITH(mon,             [  --with-mon              use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes])
31	>
32	>	dnl Canonical system information.
33	>	AC_CANONICAL_HOST
34	>	AC_CANONICAL_TARGET
35	>
36	>	dnl Target OS type (target is host if not cross-compiling).
37	>	case "$target_os" in
38	>	linux*)       OS_TYPE=linux;;
39	>	netbsd*)      OS_TYPE=netbsd;;
40	>	freebsd*)     OS_TYPE=freebsd;;
41	>	solaris*)     OS_TYPE=solaris;;
42	>	*)            OS_TYPE=`echo $target_os | sed -e 's/-/_/'`;;
43	>	esac
44	>	DEFINES="$DEFINES -DOS_$OS_TYPE"
45	>
46	>	dnl Target CPU type.
47	>	HAVE_I386=no
48	>	HAVE_M68K=no
49	>	HAVE_SPARC=no
50	>	case "$target_cpu" in
51	>	i386* | i486* | i586* | i686* | i786* ) CPU_TYPE=i386 HAVE_I386=yes;;
52	>	m68k* ) CPU_TYPE=m68k HAVE_M68K=yes;;
53	>	sparc* ) CPU_TYPE=sparc HAVE_SPARC=yes;;
54	>	*) CPU_TYPE=`echo $target_cpu | sed -e 's/-/_/'`;;
55	>	esac
56	>	DEFINES="$DEFINES -DCPU_$CPU_TYPE"
57
58		dnl Checks for programs.
59		AC_PROG_CC
60	+	AC_PROG_CC_C_O
61		AC_PROG_CPP
62		AC_PROG_CXX
63		AC_PROG_MAKE_SET
#	Line 21 | Line 65 | AC_PROG_INSTALL
65
66		dnl We use mon if possible.
67		MONSRCS=
68	<	AC_MSG_CHECKING(for mon)
69	<	if grep mon_init ../../../mon/src/mon.h >/dev/null 2>/dev/null; then
70	<	AC_MSG_RESULT(yes)
71	<	WANT_MON=yes
72	<	DEFINES="$DEFINES -DENABLE_MON=1"
73	<	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"
74	<	CXXFLAGS="$CXXFLAGS -I../../../mon/src"
75	<	AC_CHECK_LIB(readline, readline)
76	<	AC_CHECK_HEADERS(readline/readline.h readline/history.h)
77	<	else
78	<	AC_MSG_RESULT(no)
79	<	WANT_MON=no
80	<	DEFINES="$DEFINES -DENABLE_MON=0"
68	>	if [[ "x$WANT_MON" = "xyes" ]]; then
69	>	AC_MSG_CHECKING(for mon)
70	>	mon_srcdir=../../../mon/src
71	>	if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
72	>	AC_MSG_RESULT(yes)
73	>	AC_DEFINE(ENABLE_MON)
74	>	MONSRCS="$mon_srcdir/mon.cpp $mon_srcdir/mon_6502.cpp $mon_srcdir/mon_8080.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 $mon_srcdir/disass/m68k-opc.c"
75	>	CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass"
76	>	AC_CHECK_LIB(readline, readline)
77	>	AC_CHECK_LIB(termcap, tputs)
78	>	AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
79	>	else
80	>	AC_MSG_RESULT(no)
81	>	AC_MSG_WARN([Could not find mon, ignoring --with-mon.])
82	>	WANT_MON=no
83	>	fi
84		fi
85
86		dnl Checks for libraries.
#	Line 48 | Line 95 | CFLAGS="$CFLAGS $X_CFLAGS"
95		CXXFLAGS="$CXXFLAGS $X_CFLAGS"
96		LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
97
98	<	dnl We need pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL.
98	>	dnl We want pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL.
99	>	HAVE_PTHREADS=yes
100		AC_CHECK_LIB(pthread, pthread_create, , [
101		AC_CHECK_LIB(c_r, pthread_create, , [
102		AC_CHECK_LIB(PTL, pthread_create, , [
103	<	AC_MSG_ERROR([You need pthreads to run Basilisk II.])
103	>	HAVE_PTHREADS=no
104		])
105		])
106		])
107	+	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
108	+	AC_DEFINE(HAVE_PTHREADS)
109	+	fi
110	+	AC_CHECK_FUNCS(pthread_cancel)
111
112		dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
113	<	SEMSRCS=
113	>	SEMSRC=
114		AC_CHECK_FUNCS(sem_init, , [
115	<	SEMSRCS=posix_sem.cpp
115	>	if [ "x$HAVE_PTHREADS" = "xyes" ]; then
116	>	SEMSRC=posix_sem.cpp
117	>	fi
118		])
119
120		dnl We use DGA (XFree86 or fbdev) if possible.
121		if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
122		AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, [
123	<	DEFINES="$DEFINES -DENABLE_XF86_DGA=1"
123	>	AC_DEFINE(ENABLE_XF86_DGA)
124		LIBS="$LIBS -lXxf86dga"
125		if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
126		AC_MSG_WARN([Cannot have both --enable-xf86-dga and --enable-fbdev-dga, ignoring --enable-fbdev-dga.])
#	Line 75 | Line 129 | if [[ "x$WANT_XF86_DGA" = "xyes" ]]; the
129		], [
130		AC_MSG_WARN([Could not find XFree86 DGA extension, ignoring --enable-xf86-dga.])
131		WANT_XF86_DGA=no
78	–	DEFINES="$DEFINES -DENABLE_XF86_DGA=0"
132		])
80	–	else
81	–	DEFINES="$DEFINES -DENABLE_XF86_DGA=0"
133		fi
134		if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
135	<	DEFINES="$DEFINES -DENABLE_FBDEV_DGA=1"
136	<	else
137	<	DEFINES="$DEFINES -DENABLE_FBDEV_DGA=0"
135	>	AC_DEFINE(ENABLE_FBDEV_DGA)
136	>	fi
137	>
138	>	dnl We use XFree86 VidMode if possible.
139	>	if [[ "x$WANT_XF86_VIDMODE" = "xyes" ]]; then
140	>	AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryExtension, [
141	>	AC_DEFINE(ENABLE_XF86_VIDMODE)
142	>	LIBS="$LIBS -lXxf86vm"
143	>	], [
144	>	AC_MSG_WARN([Could not find XFree86 VidMode extension, ignoring --enable-xf86-vidmode.])
145	>	WANT_XF86_VIDMODE=no
146	>	])
147		fi
148
149		dnl We use GTK+ if possible.
150		UISRCS=../dummy/prefs_editor_dummy.cpp
151		if [[ "x$WANT_GTK" = "xyes" ]]; then
152		AM_PATH_GTK(1.2.0, [
153	<	DEFINES="$DEFINES -DENABLE_GTK=1"
153	>	AC_DEFINE(ENABLE_GTK)
154		CFLAGS="$CFLAGS $GTK_CFLAGS"
155		CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
156		LIBS="$LIBS $GTK_LIBS"
#	Line 98 | Line 158 | if [[ "x$WANT_GTK" = "xyes" ]]; then
158		], [
159		AC_MSG_WARN([Could not find GTK+, disabling user interface.])
160		WANT_GTK=no
101	–	DEFINES="$DEFINES -DENABLE_GTK=0"
161		])
162		fi
163
164		dnl We use ESD if possible.
165		if [[ "x$WANT_ESD" = "xyes" ]]; then
166		AM_PATH_ESD(0.2.8, [
167	<	DEFINES="$DEFINES -DENABLE_ESD=1"
167	>	AC_DEFINE(ENABLE_ESD)
168		CFLAGS="$CFLAGS $ESD_CFLAGS"
169		CXXFLAGS="$CXXFLAGS $ESD_CFLAGS"
170		LIBS="$LIBS $ESD_LIBS"
171		], [
172		AC_MSG_WARN([Could not find ESD, disabling ESD support.])
173		WANT_ESD=no
115	–	DEFINES="$DEFINES -DENABLE_ESD=0"
174		])
175		fi
176
#	Line 128 | Line 186 | AC_CHECK_SIZEOF(short, 2)
186		AC_CHECK_SIZEOF(int, 4)
187		AC_CHECK_SIZEOF(long, 4)
188		AC_CHECK_SIZEOF(long long, 8)
189	+	AC_CHECK_SIZEOF(void *, 4)
190		AC_TYPE_OFF_T
191		AC_CHECK_TYPE(loff_t, off_t)
192		AC_TYPE_SIZE_T
193	+	AC_TYPE_SIGNAL
194		AC_HEADER_TIME
195		AC_STRUCT_TM
196
197		dnl Checks for library functions.
198		AC_CHECK_FUNCS(strdup cfmakeraw)
199	<	AC_CHECK_FUNCS(nanosleep clock_gettime timer_create)
140	<	AC_CHECK_FUNCS(pthread_cancel)
199	>	AC_CHECK_FUNCS(clock_gettime timer_create)
200
201		dnl Select system-dependant source files.
202	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp ../dummy/audio_dummy.cpp"
203	<	if MACHINE=`uname -a 2>/dev/null`; then
204	<	case "$MACHINE" in
205	<	Linux*)
206	<	SYSSRCS="Linux/ether_linux.cpp Linux/scsi_linux.cpp audio_oss_esd.cpp"
207	<	;;
208	<	FreeBSD*3.*)
209	<	dnl Check for the CAM library
210	<	AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
211	<	if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
212	<	AC_MSG_ERROR([Cannot find libcam for SCSI management.])
202	>	SERIALSRC=serial_unix.cpp
203	>	ETHERSRC=../dummy/ether_dummy.cpp
204	>	SCSISRC=../dummy/scsi_dummy.cpp
205	>	AUDIOSRC=../dummy/audio_dummy.cpp
206	>	EXTRASYSSRCS=
207	>	SUPPORTS_NATIVE_M68K=no
208	>	case "$target_os" in
209	>	linux*)
210	>	ETHERSRC=Linux/ether_linux.cpp
211	>	SCSISRC=Linux/scsi_linux.cpp
212	>	AUDIOSRC=audio_oss_esd.cpp
213	>	;;
214	>	freebsd*3.*)
215	>	AUDIOSRC=audio_oss_esd.cpp
216	>	DEFINES="$DEFINES -DBSD_COMP"
217	>	dnl Check for the CAM library
218	>	AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
219	>	if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
220	>	AC_MSG_WARN([Cannot find libcam for SCSI management, disabling SCSI support.])
221	>	else
222	>	dnl Check for the sys kernel includes
223	>	AC_CHECK_HEADER(/sys/cam/cam.h)
224	>	if [[ "x$ac_cv_header__sys_cam_cam_h" = "xno" ]]; then
225	>	dnl In this case I should fix this thing including a "patch"
226	>	dnl to access directly to the functions in the kernel :) --Orlando
227	>	AC_MSG_WARN([Cannot find kernel includes for CAM library, disabling SCSI support.])
228		else
229	<	dnl Check for the sys kernel includes
156	<	AC_CHECK_HEADER(/sys/cam/cam.h)
157	<	if [[ "x$ac_cv_header__sys_cam_cam_h" = "xno" ]]; then
158	<	dnl In this case I should fix this thing including a "patch"
159	<	dnl to access directly to the functions in the kernel :) --Orlando
160	<	AC_MSG_ERROR([Cannot find kernel includes for CAM library.])
161	<	fi
162	<	SYSSRCS="../dummy/ether_dummy.cpp FreeBSD/scsi_freebsd.cpp audio_oss_esd.cpp"
229	>	SCSISRC=FreeBSD/scsi_freebsd.cpp
230		CXXFLAGS="$CXXFLAGS -I/sys"
231		CFLAGS="$CFLAGS -I/sys"
232		LIBS="$LIBS -lcam"
233	<	DEFINES="$DEFINES -DBSD_COMP -DCAM"
233	>	DEFINES="$DEFINES -DCAM"
234	>	fi
235	>	fi
236	>	;;
237	>	freebsd*)
238	>	DEFINES="$DEFINES -DBSD_COMP"
239	>	dnl Check for the SCSI library
240	>	AC_CHECK_LIB(scsi, scsi_open, HAVE_LIBSCSI=yes, HAVE_LIBSCSI=no)
241	>	if [[ "x$HAVE_LIBSCSI" = "xno" ]]; then
242	>	AC_MSG_WARN([Cannot find libscsi for SCSI management, disabling SCSI support.])
243	>	else
244	>	dnl Check for the sys kernel includes
245	>	AC_CHECK_HEADER(scsi.h sys/scsiio.h)
246	>	if [[ "x$ac_cv_header_scsi_h" = "xno" ]]; then
247	>	AC_MSG_WARN([Cannot find includes for the SCSI library, disabling SCSI support.])
248	>	else
249	>	SCSISRC=FreeBSD/scsi_freebsd.cpp
250	>	LIBS="$LIBS -lscsi"
251		fi
252	+	fi
253	+	;;
254	+	netbsd*)
255	+	SUPPORTS_NATIVE_M68K=yes
256	+	;;
257	+	solaris*)
258	+	AUDIOSRC=Solaris/audio_solaris.cpp
259	+	DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
260	+	;;
261	+	irix*)
262	+	EXTRASYSSRCS=Irix/unaligned.c
263	+	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200"
264	+	LIBS="$LIBS -lm"
265	+	;;
266	+	esac
267	+
268	+	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
269	+	dnl Serial, ethernet and audio support needs pthreads
270	+	AC_MSG_WARN([You don't have pthreads, disabling serial, ethernet and audio support.])
271	+	SERIALSRC=../dummy/serial_dummy.cpp
272	+	ETHERSRC=../dummy/ether_dummy.cpp
273	+	AUDIOSRC=../dummy/audio_dummy.cpp
274	+	fi
275	+	SYSSRCS="$SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
276	+
277	+	dnl Define a macro that translates a yesno-variable into a C macro definition
278	+	dnl to be put into the config.h file
279	+	dnl $1 -- the macro to define
280	+	dnl $2 -- the value to translate
281	+	AC_DEFUN(AC_TRANSLATE_DEFINE, [
282	+	if [[ "x$2" = "xyes" ]]; then
283	+	AC_DEFINE($1)
284	+	fi
285	+	])
286	+
287	+	dnl Check if we can mmap 0x2000 bytes from 0x0000
288	+	AC_CACHE_CHECK("whether we can map Low Memory area 0x0000-0x2000",
289	+	ac_cv_can_map_lm, [
290	+	AC_LANG_SAVE
291	+	AC_LANG_CPLUSPLUS
292	+	AC_TRY_RUN([
293	+	#include <unistd.h>
294	+	#include <fcntl.h>
295	+	#include <sys/mman.h>
296	+
297	+	int main()
298	+	{ int zero_fd; char * lm;
299	+	if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
300	+	if ((lm = (char *)mmap((caddr_t)0x0000, 0x2000, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_PRIVATE, zero_fd, 0)) == MAP_FAILED) exit(1);
301	+	lm[0] = 0x12;
302	+	munmap(lm, 0x2000);
303	+	close(zero_fd);
304	+	exit(0);
305	+	}
306	+	],
307	+	[ac_cv_can_map_lm=yes],
308	+	[ac_cv_can_map_lm=no]
309	+	)
310	+	AC_LANG_RESTORE
311	+	]
312	+	)
313	+
314	+	dnl Check if extended signals are supported.
315	+	AC_CACHE_CHECK("whether your system supports extended signal handlers",
316	+	ac_cv_have_extended_signals, [
317	+	AC_LANG_SAVE
318	+	AC_LANG_CPLUSPLUS
319	+	AC_TRY_RUN([
320	+	#include <unistd.h>
321	+	#include <stdlib.h>
322	+	#include <signal.h>
323	+	#include <fcntl.h>
324	+	#include <sys/mman.h>
325	+
326	+	static volatile caddr_t mem = 0;
327	+	static int zero_fd = -1;
328	+
329	+	static RETSIGTYPE segfault_handler(int, siginfo_t * sip, void *)
330	+	{ if ((caddr_t)(sip->si_addr) != mem) exit(1);
331	+	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
332	+
333	+	int main()
334	+	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
335	+	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
336	+	struct sigaction sa; sa.sa_sigaction = segfault_handler; sa.sa_flags = SA_SIGINFO;
337	+	sigaction(SIGSEGV, &sa, 0);
338	+	mem[0] = 0;
339	+	exit(1); // should not be reached
340	+	}
341	+	],
342	+	[ac_cv_have_extended_signals=yes],
343	+	[ac_cv_have_extended_signals=no]
344	+	)
345	+	AC_LANG_RESTORE
346	+	]
347	+	)
348	+	AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals")
349	+
350	+	dnl Otherwise, check for subterfuges.
351	+	if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
352	+	case "$target_os" in
353	+	linux*)
354	+	if [[ "x$HAVE_I386" = "xyes" ]]; then
355	+	AC_CACHE_CHECK("whether we then have a subterfuge for your system",
356	+	ac_cv_have_sigcontext_hack, [
357	+	AC_LANG_SAVE
358	+	AC_LANG_CPLUSPLUS
359	+	AC_TRY_RUN([
360	+	#include <unistd.h>
361	+	#include <signal.h>
362	+	#include <fcntl.h>
363	+	#include <sys/mman.h>
364	+
365	+	static volatile caddr_t mem = 0;
366	+	static int zero_fd = -1;
367	+
368	+	static RETSIGTYPE segfault_handler(int, struct sigcontext scs)
369	+	{ if ((caddr_t)(scs.cr2) != mem) exit(1);
370	+	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
371	+
372	+	int main()
373	+	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
374	+	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
375	+	struct sigaction sa; sa.sa_flags = 0;
376	+	sa.sa_handler = (RETSIGTYPE (*)(int))segfault_handler;
377	+	sigaction(SIGSEGV, &sa, 0);
378	+	mem[0] = 0;
379	+	exit(1); // should not be reached
380	+	}
381	+	],
382	+	[ac_cv_have_sigcontext_hack=yes],
383	+	[ac_cv_have_sigcontext_hack=no]
384	+	)
385	+	AC_LANG_RESTORE
386	+	])
387	+	AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, $ac_cv_have_sigcontext_hack)
388	+	fi
389		;;
390	<	FreeBSD*)
391	<	dnl Check for the SCSI library
392	<	AC_CHECK_LIB(scsi, scsi_open, HAVE_LIBSCSI=yes, HAVE_LIBSCSI=no)
393	<	if [[ "x$HAVE_LIBSCSI" = "xno" ]]; then
394	<	AC_MSG_ERROR([Cannot find libscsi for SCSI management.])
390	>	esac
391	>	fi
392	>
393	>	dnl Can we do Video on SEGV Signals ?
394	>	CAN_VOSF=no
395	>	if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
396	>	CAN_VOSF=yes
397	>	fi
398	>
399	>	dnl Determine the addressing mode to use
400	>	ADDRESSING_MODE=""
401	>	AC_MSG_CHECKING([for the addressing mode to use])
402	>	for am in $ADDRESSING_TEST_ORDER; do
403	>	case $am in
404	>	real)
405	>	dnl Requires ability to mmap Low Memory globals.
406	>	if [[ "x$ac_cv_can_map_lm" = "xno" ]]; then
407	>	continue
408	>	fi
409	>	if [[ "x$ac_cv_c_bigendian" = "xyes" ]]; then
410	>	dnl Requires only VOSF if 16-bit vidmode enable
411	>	if [[ "x$WANT_16BIT_VIDMODE" = "xyes" ]]; then
412	>	if [[ "x$CAN_VOSF" = "xno" ]]; then
413	>	continue
414	>	fi
415	>	else
416	>	DEFINES="$DEFINES -DDISABLE_16BIT_VIDMODE"
417	>	fi
418		else
419	<	dnl Check for the sys kernel includes
420	<	AC_CHECK_HEADER(scsi.h sys/scsiio.h)
421	<	if [[ "x$ac_cv_header_scsi_h" = "xno" ]]; then
178	<	AC_MSG_ERROR([Cannot find includes for the SCSI library.])
419	>	dnl Requires VOSF
420	>	if [[ "x$CAN_VOSF" = "xno" ]]; then
421	>	continue
422		fi
180	–	SYSSRCS="../dummy/ether_dummy.cpp FreeBSD/scsi_freebsd.cpp ../dummy/audio_dummy.cpp"
181	–	LIBS="$LIBS -lscsi"
182	–	DEFINES="$DEFINES -DBSD_COMP"
423		fi
424	+	dnl Real addressing will probably work
425	+	ADDRESSING_MODE="real"
426	+	WANT_VOSF=yes dnl we can use VOSF and we need it actually
427	+	DEFINES="$DEFINES -DREAL_ADDRESSING"
428	+	break
429		;;
430	<	SunOS*)
431	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp Solaris/audio_solaris.cpp"
432	<	DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
430	>	direct)
431	>	dnl Requires VOSF
432	>	if [[ "x$CAN_VOSF" = "xyes" ]]; then
433	>	ADDRESSING_MODE="direct"
434	>	WANT_VOSF=yes dnl we can use VOSF and we need it actually
435	>	DEFINES="$DEFINES -DDIRECT_ADDRESSING"
436	>	break
437	>	fi
438		;;
439	<	IRIX*)
440	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp ../dummy/audio_dummy.cpp Irix/unaligned.c"
441	<	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200"
442	<	LIBS="$LIBS -lm"
439	>	banks)
440	>	dnl Default addressing mode
441	>	ADDRESSING_MODE="memory banks"
442	>	break
443		;;
444	+	*)
445	+	AC_MSG_ERROR([Internal configure.in script error for $am addressing mode])
446		esac
447	+	done
448	+	AC_MSG_RESULT($ADDRESSING_MODE)
449	+	if [[ "x$ADDRESSING_MODE" = "x" ]]; then
450	+	AC_MSG_WARN([Sorry, no suitable addressing mode in $ADDRESSING_TEST_ORDER])
451	+	ADDRESSING_MODE="memory banks"
452		fi
196	–	SYSSRCS="$SYSSRCS $SEMSRCS $UISRCS $MONSRCS"
197	–
198	–	dnl Check for i386 CPU.
199	–	HAVE_I386=no
200	–	AC_MSG_CHECKING(for x86 target CPU)
201	–	AC_EGREP_CPP(yes,
202	–	[
203	–	#ifdef __i386__
204	–	yes
205	–	#endif
206	–	], [AC_MSG_RESULT(yes); HAVE_I386=yes], AC_MSG_RESULT(no))
453
454	<	dnl Check for SPARC CPU.
455	<	HAVE_SPARC=no
456	<	AC_MSG_CHECKING(for SPARC target CPU)
457	<	AC_EGREP_CPP(yes,
458	<	[
459	<	#ifdef __sparc__
460	<	yes
461	<	#endif
462	<	], [AC_MSG_RESULT(yes); HAVE_SPARC=yes], AC_MSG_RESULT(no))
454	>	dnl Since real and direct addressing modes automatically activate VOSF,
455	>	dnl I put this test here.
456	>	if [[ "x$WANT_VOSF" = "xyes" ]]; then
457	>	if [[ "x$CAN_VOSF" = "xno" ]]; then
458	>	AC_MSG_WARN([Sorry, your system does not support Video on SEGV signals])
459	>	WANT_VOSF=no
460	>	else
461	>	AC_DEFINE(ENABLE_VOSF)
462	>	fi
463	>	fi
464
465		dnl Check for GAS.
466		HAVE_GAS=no
#	Line 234 | Line 481 | AC_EGREP_CPP(yes,
481		#endif
482		], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
483
484	<	dnl Set "-fomit-frame-pointer" on GCC 2.7 or higher.
485	<	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
484	>	dnl Set "-fomit-frame-pointer" on i386 GCC 2.7 or higher.
485	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
486		CFLAGS="$CFLAGS -fomit-frame-pointer"
487		CXXFLAGS="$CXXFLAGS -fomit-frame-pointer"
488		fi
489
490		dnl Select appropriate CPU source and REGPARAM define.
491	<	WANT_X86_ASSEMBLY=no
492	<	WANT_SPARC_V8_ASSEMBLY=no
246	<	WANT_SPARC_V9_ASSEMBLY=no
491	>	ASM_OPTIMIZATIONS=none
492	>	WANT_NATIVE_M68K=no
493		CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
494	+	FPUSRCS="../uae_cpu/fpp.cpp"
495		if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
496		dnl i386 CPU
497		DEFINES="$DEFINES -DREGPARAM=\"__attribute__((regparm(3)))\""
498		if [[ "x$HAVE_GAS" = "xyes" ]]; then
499	<	WANT_X86_ASSEMBLY=yes
500	<	DEFINES="$DEFINES -DX86_ASSEMBLY"
499	>	ASM_OPTIMIZATIONS=i386
500	>	DEFINES="$DEFINES -DX86_ASSEMBLY -DOPTFLAGS"
501		CPUSRCS="../uae_cpu/compiler.cpp cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s"
502	+	FPUSRCS="../uae_cpu/fpu_x86.cpp"
503		fi
504		elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
505		dnl SPARC CPU
506	<	case "$MACHINE" in
507	<	SunOS*)
506	>	case "$target_os" in
507	>	solaris*)
508		AC_MSG_CHECKING(SPARC CPU architecture)
509		SPARC_TYPE=`Solaris/which_sparc`
510		AC_MSG_RESULT($SPARC_TYPE)
511		case "$SPARC_TYPE" in
512		SPARC_V8)
513	<	WANT_SPARC_V8_ASSEMBLY=yes
514	<	DEFINES="$DEFINES -DSPARC_V8_ASSEMBLY"
513	>	ASM_OPTIMIZATIONS="SPARC V8 architecture"
514	>	DEFINES="$DEFINES -DSPARC_V8_ASSEMBLY" dnl -DOPTFLAGS"
515		CFLAGS="$CFLAGS -Wa,-Av8"
516		CXXFLAGS="$CXXFLAGS -Wa,-Av8"
517		;;
518		SPARC_V9)
519	<	WANT_SPARC_V9_ASSEMBLY=yes
520	<	DEFINES="$DEFINES -DSPARC_V9_ASSEMBLY"
519	>	ASM_OPTIMIZATIONS="SPARC V9 architecture"
520	>	DEFINES="$DEFINES -DSPARC_V9_ASSEMBLY" dnl -DOPTFLAGS"
521		CFLAGS="$CFLAGS -Wa,-Av9"
522		CXXFLAGS="$CXXFLAGS -Wa,-Av9"
523		;;
524		esac
525		;;
526		esac
527	+	elif [[ "x$HAVE_M68K" = "xyes" -a "x$SUPPORTS_NATIVE_M68K" = "xyes" ]]; then
528	+	dnl Native m68k, no emulation
529	+	CPUSRCS=""
530	+	AC_DEFINE(ENABLE_NATIVE_M68K)
531	+	WANT_NATIVE_M68K=yes
532		fi
533
534	<	dnl UAE CPU sources for all architectures.
535	<	CPUINCLUDES="-I../uae_cpu"
536	<	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 $CPUSRCS"
534	>	dnl UAE CPU sources for all non-m68k-native architectures.
535	>	if [[ "x$WANT_NATIVE_M68K" = "xno" ]]; then
536	>	CPUINCLUDES="-I../uae_cpu"
537	>	CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp $FPUSRCS cpustbl.cpp cpudefs.cpp $CPUSRCS"
538	>	else
539	>	CPUINCLUDES="-I../native_cpu"
540	>	CPUSRCS="asm_support.s"
541	>	fi
542	>
543	>	dnl Remove the "-g" option if set for GCC.
544	>	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
545	>	dnl gb-- Probably not the cleanest way to take
546	>	CFLAGS=`echo $CFLAGS | sed -e 's/ -g / /;s/^-g / /;s/ -g$/ /;s/^-g$//'`
547	>	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/ -g / /;s/^-g / /;s/ -g$/ /;s/^-g$//'`
548	>	fi
549
550		dnl Generate Makefile.
551		AC_SUBST(DEFINES)
#	Line 294 | Line 559 | echo
559		echo Basilisk II configuration summary:
560		echo
561		echo XFree86 DGA support .............. : $WANT_XF86_DGA
562	+	echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
563		echo fbdev DGA support ................ : $WANT_FBDEV_DGA
564	+	echo Enable video on SEGV signals ..... : $WANT_VOSF
565		echo ESD sound support ................ : $WANT_ESD
566		echo GTK user interface ............... : $WANT_GTK
567		echo mon debugger support ............. : $WANT_MON
568	<	echo i386 assembly optimizations ...... : $WANT_X86_ASSEMBLY
569	<	echo SPARC V8 assembly optimizations .. : $WANT_SPARC_V8_ASSEMBLY
570	<	echo SPARC V9 assembly optimizations .. : $WANT_SPARC_V9_ASSEMBLY
568	>	echo Running m68k code natively ....... : $WANT_NATIVE_M68K
569	>	echo Assembly optimizations ........... : $ASM_OPTIMIZATIONS
570	>	echo Addressing mode .................. : $ADDRESSING_MODE
571		echo
572	<	echo "Configuration done. Now type \"make\"."
572	>	echo "Configuration done. Now type \"make\" (or \"gmake\")."

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