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

Comparing BasiliskII/src/Unix/configure.in (file contents):
Revision 1.7 by cebix, 1999-10-18T16:15:44Z vs.
Revision 1.23 by gbeauche, 2000-09-22T17:14:04Z

#	Line 6 | Line 6 | AC_PREREQ(2.12)
6		AC_CONFIG_HEADER(config.h)
7
8		dnl Options.
9	<	WANT_DGA=yes
10	<	WANT_UI=yes
11	<	AC_ARG_ENABLE(dga, [  --enable-dga            use the DGA extension (default)], [WANT_DGA=$enableval], [])
12	<	AC_ARG_ENABLE(ui,  [  --enable-ui             use GTK user interface (default)], [WANT_UI=$enableval], [])
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_$CPU_TYPE"
57
58		dnl Checks for programs.
59		AC_PROG_CC
60	+	AC_PROG_CC_C_O
61		AC_PROG_CPP
62		AC_PROG_CXX
63		AC_PROG_MAKE_SET
64		AC_PROG_INSTALL
65
66	+	dnl We use mon if possible.
67	+	MONSRCS=
68	+	if [[ "x$WANT_MON" = "xyes" ]]; then
69	+	AC_MSG_CHECKING(for mon)
70	+	if grep mon_init ../../../mon/src/mon.h >/dev/null 2>/dev/null; then
71	+	AC_MSG_RESULT(yes)
72	+	AC_DEFINE(ENABLE_MON)
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="$CXXFLAGS -I../../../mon/src"
75	+	AC_CHECK_LIB(readline, readline)
76	+	AC_CHECK_LIB(termcap, tputs)
77	+	AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
78	+	else
79	+	AC_MSG_RESULT(no)
80	+	AC_MSG_WARN([Could not find mon, ignoring --with-mon.])
81	+	WANT_MON=no
82	+	fi
83	+	fi
84	+
85		dnl Checks for libraries.
86	+	AC_CHECK_LIB(posix4, sem_init)
87	+
88	+	dnl We need X11.
89		AC_PATH_XTRA
90		if [[ "x$no_x" = "xyes" ]]; then
91		AC_MSG_ERROR([You need X11 to run Basilisk II.])
92		fi
26	–
93		CFLAGS="$CFLAGS $X_CFLAGS"
94		CXXFLAGS="$CXXFLAGS $X_CFLAGS"
95		LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
30	–	STATICLIBS=
96
97	<	dnl We need pthreads.
98	<	AC_CHECK_LIB(pthread, pthread_create, HAVE_PTHREADS=yes, HAVE_PTHREADS=no)
99	<	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
100	<	dnl Check even the libc_r (FreeBSD)
101	<	AC_CHECK_LIB(c_r, pthread_create, HAVE_PTHREADS=yes, HAVE_PTHREADS=no)
102	<	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
103	<	dnl Or maybe the user has PTL (NetBSD)
104	<	AC_CHECK_LIB(PTL, pthread_create, HAVE_PTHREADS=yes, HAVE_PTHREADS=no)
105	<	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
106	<	AC_MSG_ERROR([You need pthreads to run Basilisk II.])
107	<	else
43	<	LIBS="$LIBS -lPTL"
44	<	fi
45	<	else
46	<	LIBS="$LIBS -lc_r"
47	<	fi
48	<	else
49	<	LIBS="$LIBS -lpthread"
97	>	dnl We want pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL.
98	>	HAVE_PTHREADS=yes
99	>	AC_CHECK_LIB(pthread, pthread_create, , [
100	>	AC_CHECK_LIB(c_r, pthread_create, , [
101	>	AC_CHECK_LIB(PTL, pthread_create, , [
102	>	HAVE_PTHREADS=no
103	>	])
104	>	])
105	>	])
106	>	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
107	>	AC_DEFINE(HAVE_PTHREADS)
108		fi
109		AC_CHECK_FUNCS(pthread_cancel)
110
111	<	dnl We use DGA if possible.
112	<	if [[ "x$WANT_DGA" = "xyes" ]]; then
113	<	AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, HAVE_DGA=yes, HAVE_DGA=no)
114	<	if [[ "x$HAVE_DGA" = "xno" ]]; then
115	<	AC_MSG_WARN([Could not find DGA extension, ignoring --enable-dga.])
58	<	else
59	<	DEFINES="$DEFINES -DENABLE_DGA=1"
60	<	LIBS="$LIBS -lXxf86dga"
111	>	dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
112	>	SEMSRC=
113	>	AC_CHECK_FUNCS(sem_init, , [
114	>	if [ "x$HAVE_PTHREADS" = "xyes" ]; then
115	>	SEMSRC=posix_sem.cpp
116		fi
117	+	])
118	+
119	+	dnl We use DGA (XFree86 or fbdev) if possible.
120	+	if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
121	+	AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, [
122	+	AC_DEFINE(ENABLE_XF86_DGA)
123	+	LIBS="$LIBS -lXxf86dga"
124	+	if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
125	+	AC_MSG_WARN([Cannot have both --enable-xf86-dga and --enable-fbdev-dga, ignoring --enable-fbdev-dga.])
126	+	WANT_FBDEV_DGA=no
127	+	fi
128	+	], [
129	+	AC_MSG_WARN([Could not find XFree86 DGA extension, ignoring --enable-xf86-dga.])
130	+	WANT_XF86_DGA=no
131	+	])
132	+	fi
133	+	if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
134	+	AC_DEFINE(ENABLE_FBDEV_DGA)
135	+	fi
136	+
137	+	dnl We use XFree86 VidMode if possible.
138	+	if [[ "x$WANT_XF86_VIDMODE" = "xyes" ]]; then
139	+	AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryExtension, [
140	+	AC_DEFINE(ENABLE_XF86_VIDMODE)
141	+	LIBS="$LIBS -lXxf86vm"
142	+	], [
143	+	AC_MSG_WARN([Could not find XFree86 VidMode extension, ignoring --enable-xf86-vidmode.])
144	+	WANT_XF86_VIDMODE=no
145	+	])
146		fi
147
148		dnl We use GTK+ if possible.
149	<	if [[ "x$WANT_UI" = "xyes" ]]; then
150	<	AM_PATH_GTK(1.2.0)
151	<	if [[ "x$no_gtk" = "xyes" ]]; then
152	<	echo "Did not find gtk+, disabling user interface."
153	<	WANT_UI=no
154	<	GTK_CFLAGS=
155	<	GTK_LIBS=
156	<	else
157	<	DEFINES="$DEFINES -DENABLE_GTK=1"
158	<	fi
159	<	CFLAGS="$CFLAGS $GTK_CFLAGS"
160	<	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
77	<	LIBS="$LIBS $GTK_LIBS"
149	>	UISRCS=../dummy/prefs_editor_dummy.cpp
150	>	if [[ "x$WANT_GTK" = "xyes" ]]; then
151	>	AM_PATH_GTK(1.2.0, [
152	>	AC_DEFINE(ENABLE_GTK)
153	>	CFLAGS="$CFLAGS $GTK_CFLAGS"
154	>	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
155	>	LIBS="$LIBS $GTK_LIBS"
156	>	UISRCS=prefs_editor_gtk.cpp
157	>	], [
158	>	AC_MSG_WARN([Could not find GTK+, disabling user interface.])
159	>	WANT_GTK=no
160	>	])
161		fi
162
163	<	dnl We need POSIX.4 semaphores (and other POSIX.4 blessings).
164	<	SEMSRCS=
165	<	AC_CHECK_FUNCS(sem_init)
166	<	if [[ "x$ac_cv_func_sem_init" = "xno" ]]; then
167	<	AC_CHECK_LIB(posix4, sem_init, HAVE_LIBPOSIX4=yes, HAVE_LIBPOSIX4=no)
168	<	if [[ "x$HAVE_LIBPOSIX4" = "xno" ]]; then
169	<	dnl Emulate semaphores with pthread mutexes
170	<	SEMSRCS="posix_sem.cpp"
171	<	else
172	<	LIBS="$LIBS -lposix4"
173	<	fi
163	>	dnl We use ESD if possible.
164	>	if [[ "x$WANT_ESD" = "xyes" ]]; then
165	>	AM_PATH_ESD(0.2.8, [
166	>	AC_DEFINE(ENABLE_ESD)
167	>	CFLAGS="$CFLAGS $ESD_CFLAGS"
168	>	CXXFLAGS="$CXXFLAGS $ESD_CFLAGS"
169	>	LIBS="$LIBS $ESD_LIBS"
170	>	], [
171	>	AC_MSG_WARN([Could not find ESD, disabling ESD support.])
172	>	WANT_ESD=no
173	>	])
174		fi
175
176		dnl Checks for header files.
#	Line 102 | Line 185 | AC_CHECK_SIZEOF(short, 2)
185		AC_CHECK_SIZEOF(int, 4)
186		AC_CHECK_SIZEOF(long, 4)
187		AC_CHECK_SIZEOF(long long, 8)
188	+	AC_CHECK_SIZEOF(void *, 4)
189		AC_TYPE_OFF_T
190		AC_CHECK_TYPE(loff_t, off_t)
191		AC_TYPE_SIZE_T
192	+	AC_TYPE_SIGNAL
193		AC_HEADER_TIME
194		AC_STRUCT_TM
195
196		dnl Checks for library functions.
197		AC_CHECK_FUNCS(strdup cfmakeraw)
198	<	AC_CHECK_FUNCS(nanosleep clock_gettime timer_create)
198	>	AC_CHECK_FUNCS(clock_gettime timer_create)
199
200		dnl Select system-dependant source files.
201	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp ../dummy/audio_dummy.cpp"
202	<	if MACHINE=`uname -a 2>/dev/null`; then
203	<	case "$MACHINE" in
204	<	Linux*)
205	<	SYSSRCS="Linux/ether_linux.cpp Linux/scsi_linux.cpp Linux/audio_linux.cpp"
206	<	;;
207	<	FreeBSD*3.*)
208	<	dnl Check for the CAM library
209	<	AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
210	<	if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
211	<	AC_MSG_ERROR([Cannot find libcam for SCSI management.])
201	>	SERIALSRC=serial_unix.cpp
202	>	ETHERSRC=../dummy/ether_dummy.cpp
203	>	SCSISRC=../dummy/scsi_dummy.cpp
204	>	AUDIOSRC=../dummy/audio_dummy.cpp
205	>	EXTRASYSSRCS=
206	>	SUPPORTS_NATIVE_M68K=no
207	>	case "$target_os" in
208	>	linux*)
209	>	ETHERSRC=Linux/ether_linux.cpp
210	>	SCSISRC=Linux/scsi_linux.cpp
211	>	AUDIOSRC=audio_oss_esd.cpp
212	>	;;
213	>	freebsd*3.*)
214	>	AUDIOSRC=audio_oss_esd.cpp
215	>	DEFINES="$DEFINES -DBSD_COMP"
216	>	dnl Check for the CAM library
217	>	AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
218	>	if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
219	>	AC_MSG_WARN([Cannot find libcam for SCSI management, disabling SCSI support.])
220	>	else
221	>	dnl Check for the sys kernel includes
222	>	AC_CHECK_HEADER(/sys/cam/cam.h)
223	>	if [[ "x$ac_cv_header__sys_cam_cam_h" = "xno" ]]; then
224	>	dnl In this case I should fix this thing including a "patch"
225	>	dnl to access directly to the functions in the kernel :) --Orlando
226	>	AC_MSG_WARN([Cannot find kernel includes for CAM library, disabling SCSI support.])
227		else
228	<	dnl Check for the sys kernel includes
129	<	AC_CHECK_HEADER(/sys/cam/cam.h)
130	<	if [[ "x$ac_cv_header__sys_cam_cam_h" = "xno" ]]; then
131	<	dnl In this case I should fix this thing including a "patch"
132	<	dnl to access directly to the functions in the kernel :) --Orlando
133	<	AC_MSG_ERROR([Cannot find kernel includes for CAM library.])
134	<	fi
135	<	SYSSRCS="../dummy/ether_dummy.cpp FreeBSD/scsi_freebsd.cpp ../dummy/audio_dummy.cpp"
228	>	SCSISRC=FreeBSD/scsi_freebsd.cpp
229		CXXFLAGS="$CXXFLAGS -I/sys"
230		CFLAGS="$CFLAGS -I/sys"
231		LIBS="$LIBS -lcam"
232	<	DEFINES="$DEFINES -DBSD_COMP -DCAM"
232	>	DEFINES="$DEFINES -DCAM"
233	>	fi
234	>	fi
235	>	;;
236	>	freebsd*)
237	>	DEFINES="$DEFINES -DBSD_COMP"
238	>	dnl Check for the SCSI library
239	>	AC_CHECK_LIB(scsi, scsi_open, HAVE_LIBSCSI=yes, HAVE_LIBSCSI=no)
240	>	if [[ "x$HAVE_LIBSCSI" = "xno" ]]; then
241	>	AC_MSG_WARN([Cannot find libscsi for SCSI management, disabling SCSI support.])
242	>	else
243	>	dnl Check for the sys kernel includes
244	>	AC_CHECK_HEADER(scsi.h sys/scsiio.h)
245	>	if [[ "x$ac_cv_header_scsi_h" = "xno" ]]; then
246	>	AC_MSG_WARN([Cannot find includes for the SCSI library, disabling SCSI support.])
247	>	else
248	>	SCSISRC=FreeBSD/scsi_freebsd.cpp
249	>	LIBS="$LIBS -lscsi"
250	>	fi
251	>	fi
252	>	;;
253	>	netbsd*)
254	>	SUPPORTS_NATIVE_M68K=yes
255	>	;;
256	>	solaris*)
257	>	AUDIOSRC=Solaris/audio_solaris.cpp
258	>	DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
259	>	;;
260	>	irix*)
261	>	EXTRASYSSRCS=Irix/unaligned.c
262	>	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200"
263	>	LIBS="$LIBS -lm"
264	>	;;
265	>	esac
266	>
267	>	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
268	>	dnl Serial, ethernet and audio support needs pthreads
269	>	AC_MSG_WARN([You don't have pthreads, disabling serial, ethernet and audio support.])
270	>	SERIALSRC=../dummy/serial_dummy.cpp
271	>	ETHERSRC=../dummy/ether_dummy.cpp
272	>	AUDIOSRC=../dummy/audio_dummy.cpp
273	>	fi
274	>	SYSSRCS="$SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
275	>
276	>	dnl Define a macro that translates a yesno-variable into a C macro definition
277	>	dnl to be put into the config.h file
278	>	dnl $1 -- the macro to define
279	>	dnl $2 -- the value to translate
280	>	AC_DEFUN(AC_TRANSLATE_DEFINE, [
281	>	if [[ "x$2" = "xyes" ]]; then
282	>	AC_DEFINE($1)
283		fi
284	+	])
285	+
286	+	dnl Check if we can mmap 0x2000 bytes from 0x0000
287	+	AC_CACHE_CHECK("whether we can map Low Memory area 0x0000-0x2000",
288	+	ac_cv_can_map_lm, [
289	+	AC_LANG_SAVE
290	+	AC_LANG_CPLUSPLUS
291	+	AC_TRY_RUN([
292	+	#include <unistd.h>
293	+	#include <fcntl.h>
294	+	#include <sys/mman.h>
295	+
296	+	int main()
297	+	{ int zero_fd; char * lm;
298	+	if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
299	+	if ((lm = (char *)mmap((caddr_t)0x0000, 0x2000, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_PRIVATE, zero_fd, 0)) == MAP_FAILED) exit(1);
300	+	lm[0] = 0x12;
301	+	munmap(lm, 0x2000);
302	+	close(zero_fd);
303	+	exit(0);
304	+	}
305	+	],
306	+	[ac_cv_can_map_lm=yes],
307	+	[ac_cv_can_map_lm=no]
308	+	)
309	+	AC_LANG_RESTORE
310	+	]
311	+	)
312	+
313	+	dnl Check if extended signals are supported.
314	+	AC_CACHE_CHECK("whether your system supports extended signal handlers",
315	+	ac_cv_have_extended_signals, [
316	+	AC_LANG_SAVE
317	+	AC_LANG_CPLUSPLUS
318	+	AC_TRY_RUN([
319	+	#include <unistd.h>
320	+	#include <signal.h>
321	+	#include <fcntl.h>
322	+	#include <sys/mman.h>
323	+
324	+	static volatile caddr_t mem = 0;
325	+	static int zero_fd = -1;
326	+
327	+	static RETSIGTYPE segfault_handler(int, siginfo_t * sip, void *)
328	+	{ if ((caddr_t)(sip->si_addr) != mem) exit(1);
329	+	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
330	+
331	+	int main()
332	+	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
333	+	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
334	+	struct sigaction sa; sa.sa_sigaction = segfault_handler; sa.sa_flags = 0;
335	+	sigaction(SIGSEGV, &sa, 0);
336	+	mem[0] = 0;
337	+	exit(1); // should not be reached
338	+	}
339	+	],
340	+	[ac_cv_have_extended_signals=yes],
341	+	[ac_cv_have_extended_signals=no]
342	+	)
343	+	AC_LANG_RESTORE
344	+	]
345	+	)
346	+	AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals")
347	+
348	+	dnl Otherwise, check for subterfuges.
349	+	if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
350	+	case "$target_os" in
351	+	linux*)
352	+	if [[ "x$HAVE_I386" = "xyes" ]]; then
353	+	AC_CACHE_CHECK("whether we then have a subterfuge for your system",
354	+	ac_cv_have_sigcontext_hack, [
355	+	AC_LANG_SAVE
356	+	AC_LANG_CPLUSPLUS
357	+	AC_TRY_RUN([
358	+	#include <unistd.h>
359	+	#include <signal.h>
360	+	#include <fcntl.h>
361	+	#include <sys/mman.h>
362	+
363	+	static volatile caddr_t mem = 0;
364	+	static int zero_fd = -1;
365	+
366	+	static RETSIGTYPE segfault_handler(int, struct sigcontext scs)
367	+	{ if ((caddr_t)(scs.cr2) != mem) exit(1);
368	+	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
369	+
370	+	int main()
371	+	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
372	+	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
373	+	struct sigaction sa; sa.sa_flags = 0;
374	+	sa.sa_handler = (RETSIGTYPE (*)(int))segfault_handler;
375	+	sigaction(SIGSEGV, &sa, 0);
376	+	mem[0] = 0;
377	+	exit(1); // should not be reached
378	+	}
379	+	],
380	+	[ac_cv_have_sigcontext_hack=yes],
381	+	[ac_cv_have_sigcontext_hack=no]
382	+	)
383	+	AC_LANG_RESTORE
384	+	])
385	+	AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, $ac_cv_have_sigcontext_hack)
386	+	fi
387		;;
388	<	FreeBSD*)
389	<	dnl Check for the SCSI library
390	<	AC_CHECK_LIB(scsi, scsi_open, HAVE_LIBSCSI=yes, HAVE_LIBSCSI=no)
391	<	if [[ "x$HAVE_LIBSCSI" = "xno" ]]; then
392	<	AC_MSG_ERROR([Cannot find libscsi for SCSI management.])
388	>	esac
389	>	fi
390	>
391	>	dnl Can we do Video on SEGV Signals ?
392	>	CAN_VOSF=no
393	>	if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
394	>	CAN_VOSF=yes
395	>	fi
396	>
397	>	dnl Determine the addressing mode to use
398	>	ADDRESSING_MODE=""
399	>	AC_MSG_CHECKING([for the addressing mode to use])
400	>	for am in $ADDRESSING_TEST_ORDER; do
401	>	case $am in
402	>	real)
403	>	dnl Requires ability to mmap Low Memory globals.
404	>	if [[ "x$ac_cv_can_map_lm" = "xno" ]]; then
405	>	continue
406	>	fi
407	>	if [[ "x$ac_cv_c_bigendian" = "xyes" ]]; then
408	>	dnl Requires only VOSF if 16-bit vidmode enable
409	>	if [[ "x$WANT_16BIT_VIDMODE" = "xyes" ]]; then
410	>	if [[ "x$CAN_VOSF" = "xno" ]]; then
411	>	continue
412	>	fi
413	>	else
414	>	DEFINES="$DEFINES -DDISABLE_16BIT_VIDMODE"
415	>	fi
416		else
417	<	dnl Check for the sys kernel includes
418	<	AC_CHECK_HEADER(scsi.h sys/scsiio.h)
419	<	if [[ "x$ac_cv_header_scsi_h" = "xno" ]]; then
151	<	AC_MSG_ERROR([Cannot find includes for the SCSI library.])
417	>	dnl Requires VOSF
418	>	if [[ "x$CAN_VOSF" = "xno" ]]; then
419	>	continue
420		fi
153	–	SYSSRCS="../dummy/ether_dummy.cpp FreeBSD/scsi_freebsd.cpp ../dummy/audio_dummy.cpp"
154	–	LIBS="$LIBS -lscsi"
155	–	DEFINES="$DEFINES -DBSD_COMP"
421		fi
422	+	dnl Real addressing will probably work
423	+	ADDRESSING_MODE="real"
424	+	WANT_VOSF=yes dnl we can use VOSF and we need it actually
425	+	DEFINES="$DEFINES -DREAL_ADDRESSING"
426	+	break
427		;;
428	<	SunOS*)
429	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp Solaris/audio_solaris.cpp"
430	<	DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
428	>	direct)
429	>	dnl Requires VOSF
430	>	if [[ "x$CAN_VOSF" = "xyes" ]]; then
431	>	ADDRESSING_MODE="direct"
432	>	WANT_VOSF=yes dnl we can use VOSF and we need it actually
433	>	DEFINES="$DEFINES -DDIRECT_ADDRESSING"
434	>	break
435	>	fi
436		;;
437	<	IRIX*)
438	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp ../dummy/audio_dummy.cpp Irix/unaligned.c"
439	<	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200"
440	<	LIBS="$LIBS -lm"
437	>	banks)
438	>	dnl Default addressing mode
439	>	ADDRESSING_MODE="memory banks"
440	>	break
441		;;
442	+	*)
443	+	AC_MSG_ERROR([Internal configure.in script error for $am addressing mode])
444		esac
445	<	if [[ "x$WANT_UI" = "xyes" ]]; then
446	<	SYSSRCS="$SYSSRCS prefs_editor_gtk.cpp"
445	>	done
446	>	AC_MSG_RESULT($ADDRESSING_MODE)
447	>	if [[ "x$ADDRESSING_MODE" = "x" ]]; then
448	>	AC_MSG_WARN([Sorry, no suitable addressing mode in $ADDRESSING_TEST_ORDER])
449	>	ADDRESSING_MODE="memory banks"
450	>	fi
451	>
452	>	dnl Since real and direct addressing modes automatically activate VOSF,
453	>	dnl I put this test here.
454	>	if [[ "x$WANT_VOSF" = "xyes" ]]; then
455	>	if [[ "x$CAN_VOSF" = "xno" ]]; then
456	>	AC_MSG_WARN([Sorry, your system does not support Video on SEGV signals])
457	>	WANT_VOSF=no
458		else
459	<	SYSSRCS="$SYSSRCS ../dummy/prefs_editor_dummy.cpp"
459	>	AC_DEFINE(ENABLE_VOSF)
460		fi
461		fi
174	–	if [[ "x$SEMSRCS" != "x" ]]; then
175	–	SYSSRCS="$SYSSRCS $SEMSRCS"
176	–	fi
177	–
178	–	dnl Defaults for UAE CPU.
179	–	CPUINCLUDES="-I../uae_cpu"
180	–	CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp ../uae_cpu/fpp.cpp cpustbl.cpp cpudefs.cpp"
181	–
182	–	dnl Check for i386.
183	–	HAVE_I386=no
184	–	AC_MSG_CHECKING(for x86 target CPU)
185	–	AC_EGREP_CPP(yes,
186	–	[
187	–	#ifdef __i386__
188	–	yes
189	–	#endif
190	–	], [AC_MSG_RESULT(yes); HAVE_I386=yes], AC_MSG_RESULT(no))
462
463		dnl Check for GAS.
464		HAVE_GAS=no
#	Line 208 | Line 479 | AC_EGREP_CPP(yes,
479		#endif
480		], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
481
482	<	dnl Set "-fomit-frame-pointer" on GCC.
483	<	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
482	>	dnl Set "-fomit-frame-pointer" on i386 GCC 2.7 or higher.
483	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
484		CFLAGS="$CFLAGS -fomit-frame-pointer"
485		CXXFLAGS="$CXXFLAGS -fomit-frame-pointer"
486		fi
487
488		dnl Select appropriate CPU source and REGPARAM define.
489	+	ASM_OPTIMIZATIONS=none
490	+	WANT_NATIVE_M68K=no
491	+	CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
492	+	FPUSRCS="../uae_cpu/fpp.cpp"
493		if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
494	+	dnl i386 CPU
495		DEFINES="$DEFINES -DREGPARAM=\"__attribute__((regparm(3)))\""
496		if [[ "x$HAVE_GAS" = "xyes" ]]; then
497	<	DEFINES="$DEFINES -DX86_ASSEMBLY"
498	<	CPUSRCS="$CPUSRCS cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s"
499	<	else
500	<	CPUSRCS="$CPUSRCS cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
497	>	ASM_OPTIMIZATIONS=i386
498	>	DEFINES="$DEFINES -DX86_ASSEMBLY -DOPTFLAGS"
499	>	CPUSRCS="../uae_cpu/compiler.cpp cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s"
500	>	FPUSRCS="../uae_cpu/fpu_x86.cpp"
501		fi
502	+	elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
503	+	dnl SPARC CPU
504	+	case "$target_os" in
505	+	solaris*)
506	+	AC_MSG_CHECKING(SPARC CPU architecture)
507	+	SPARC_TYPE=`Solaris/which_sparc`
508	+	AC_MSG_RESULT($SPARC_TYPE)
509	+	case "$SPARC_TYPE" in
510	+	SPARC_V8)
511	+	ASM_OPTIMIZATIONS="SPARC V8 architecture"
512	+	DEFINES="$DEFINES -DSPARC_V8_ASSEMBLY" dnl -DOPTFLAGS"
513	+	CFLAGS="$CFLAGS -Wa,-Av8"
514	+	CXXFLAGS="$CXXFLAGS -Wa,-Av8"
515	+	;;
516	+	SPARC_V9)
517	+	ASM_OPTIMIZATIONS="SPARC V9 architecture"
518	+	DEFINES="$DEFINES -DSPARC_V9_ASSEMBLY" dnl -DOPTFLAGS"
519	+	CFLAGS="$CFLAGS -Wa,-Av9"
520	+	CXXFLAGS="$CXXFLAGS -Wa,-Av9"
521	+	;;
522	+	esac
523	+	;;
524	+	esac
525	+	elif [[ "x$HAVE_M68K" = "xyes" -a "x$SUPPORTS_NATIVE_M68K" = "xyes" ]]; then
526	+	dnl Native m68k, no emulation
527	+	CPUSRCS=""
528	+	AC_DEFINE(ENABLE_NATIVE_M68K)
529	+	WANT_NATIVE_M68K=yes
530	+	fi
531	+
532	+	dnl UAE CPU sources for all non-m68k-native architectures.
533	+	if [[ "x$WANT_NATIVE_M68K" = "xno" ]]; then
534	+	CPUINCLUDES="-I../uae_cpu"
535	+	CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp $FPUSRCS cpustbl.cpp cpudefs.cpp $CPUSRCS"
536		else
537	<	CPUSRCS="$CPUSRCS cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
537	>	CPUINCLUDES="-I../native_cpu"
538	>	CPUSRCS="asm_support.s"
539	>	fi
540	>
541	>	dnl Remove the "-g" option if set for GCC.
542	>	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
543	>	dnl gb-- Probably not the cleanest way to take
544	>	CFLAGS=`echo $CFLAGS | sed -e 's/ -g / /;s/^-g / /;s/ -g$/ /;s/^-g$//'`
545	>	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/ -g / /;s/^-g / /;s/ -g$/ /;s/^-g$//'`
546		fi
547
548		dnl Generate Makefile.
549		AC_SUBST(DEFINES)
232	–	AC_SUBST(STATICLIBS)
550		AC_SUBST(SYSSRCS)
551		AC_SUBST(CPUINCLUDES)
552		AC_SUBST(CPUSRCS)
553		AC_OUTPUT(Makefile)
554	<	echo "Configuration done. Now type \"make\"."
554	>
555	>	dnl Print summary.
556	>	echo
557	>	echo Basilisk II configuration summary:
558	>	echo
559	>	echo XFree86 DGA support .............. : $WANT_XF86_DGA
560	>	echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
561	>	echo fbdev DGA support ................ : $WANT_FBDEV_DGA
562	>	echo Enable video on SEGV signals ..... : $WANT_VOSF
563	>	echo ESD sound support ................ : $WANT_ESD
564	>	echo GTK user interface ............... : $WANT_GTK
565	>	echo mon debugger support ............. : $WANT_MON
566	>	echo Running m68k code natively ....... : $WANT_NATIVE_M68K
567	>	echo Assembly optimizations ........... : $ASM_OPTIMIZATIONS
568	>	echo Addressing mode .................. : $ADDRESSING_MODE
569	>	echo
570	>	echo "Configuration done. Now type \"make\" (or \"gmake\")."

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