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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 1.24 by cebix, 2000-09-25T17:54:01Z

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

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