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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 1.32 by gbeauche, 2001-01-28T14:04:32Z

#	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=$enableval], [WANT_FBDEV_DGA=yes])
12	>	AC_ARG_ENABLE(vosf,          [  --enable-vosf           enable video on SEGV signals [default=no]], [WANT_VOSF=$enableval], [WANT_VOSF=no])
13	>
14	>	dnl Addressing modes.
15	>	AC_ARG_ENABLE(addressing,
16	>	[  --enable-addressing=AM  specify the addressing mode to use [default=fastest]],
17	>	[ case "$enableval" in
18	>	real)       ADDRESSING_TEST_ORDER="real";;
19	>	direct)     ADDRESSING_TEST_ORDER="direct";;
20	>	banks)      ADDRESSING_TEST_ORDER="banks";;
21	>	fastest)ADDRESSING_TEST_ORDER="direct banks";;
22	>	*)          AC_MSG_ERROR([--enable-addressing takes only one of the following values: fastest, real, direct, banks]);;
23	>	esac
24	>	],
25	>	[ ADDRESSING_TEST_ORDER="direct banks"
26	>	])
27	>
28	>	dnl External packages.
29	>	AC_ARG_WITH(esd,             [  --with-esd              support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes])
30	>	AC_ARG_WITH(gtk,             [  --with-gtk              use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes])
31	>	AC_ARG_WITH(mon,             [  --with-mon              use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes])
32	>
33	>	dnl Canonical system information.
34	>	AC_CANONICAL_HOST
35	>	AC_CANONICAL_TARGET
36	>
37	>	dnl Target OS type (target is host if not cross-compiling).
38	>	case "$target_os" in
39	>	linux*)       OS_TYPE=linux;;
40	>	netbsd*)      OS_TYPE=netbsd;;
41	>	freebsd*)     OS_TYPE=freebsd;;
42	>	solaris*)     OS_TYPE=solaris;;
43	>	*)            OS_TYPE=`echo $target_os | sed -e 's/-/_/' | sed -e 's/\./_/'`;;
44	>	esac
45	>	DEFINES="$DEFINES -DOS_$OS_TYPE"
46	>
47	>	dnl Target CPU type.
48	>	HAVE_I386=no
49	>	HAVE_M68K=no
50	>	HAVE_SPARC=no
51	>	case "$target_cpu" in
52	>	i386* | i486* | i586* | i686* | i786* ) CPU_TYPE=i386 HAVE_I386=yes;;
53	>	m68k* ) CPU_TYPE=m68k HAVE_M68K=yes;;
54	>	sparc* ) CPU_TYPE=sparc HAVE_SPARC=yes;;
55	>	*) CPU_TYPE=`echo $target_cpu | sed -e 's/-/_/'`;;
56	>	esac
57	>	DEFINES="$DEFINES -DCPU_$CPU_TYPE"
58
59		dnl Checks for programs.
60		AC_PROG_CC
61	+	AC_PROG_CC_C_O
62		AC_PROG_CPP
63		AC_PROG_CXX
64		AC_PROG_MAKE_SET
65		AC_PROG_INSTALL
66
67	+	dnl We use mon if possible.
68	+	MONSRCS=
69	+	if [[ "x$WANT_MON" = "xyes" ]]; then
70	+	AC_MSG_CHECKING(for mon)
71	+	mon_srcdir=../../../mon/src
72	+	if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
73	+	AC_MSG_RESULT(yes)
74	+	AC_DEFINE(ENABLE_MON)
75	+	MONSRCS="$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 $mon_srcdir/disass/m68k-opc.c"
76	+	CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass"
77	+	AC_CHECK_LIB(readline, readline)
78	+	AC_CHECK_LIB(termcap, tputs)
79	+	AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
80	+	else
81	+	AC_MSG_RESULT(no)
82	+	AC_MSG_WARN([Could not find mon, ignoring --with-mon.])
83	+	WANT_MON=no
84	+	fi
85	+	fi
86	+
87		dnl Checks for libraries.
88	+	AC_CHECK_LIB(posix4, sem_init)
89	+
90	+	dnl We need X11.
91		AC_PATH_XTRA
92		if [[ "x$no_x" = "xyes" ]]; then
93		AC_MSG_ERROR([You need X11 to run Basilisk II.])
94		fi
26	–
95		CFLAGS="$CFLAGS $X_CFLAGS"
96		CXXFLAGS="$CXXFLAGS $X_CFLAGS"
97		LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
30	–	STATICLIBS=
98
99	<	dnl We need pthreads.
100	<	AC_CHECK_LIB(pthread, pthread_create, HAVE_PTHREADS=yes, HAVE_PTHREADS=no)
101	<	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
102	<	dnl Check even the libc_r (FreeBSD)
103	<	AC_CHECK_LIB(c_r, pthread_create, HAVE_PTHREADS=yes, HAVE_PTHREADS=no)
104	<	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
105	<	dnl Or maybe the user has PTL (NetBSD)
106	<	AC_CHECK_LIB(PTL, pthread_create, HAVE_PTHREADS=yes, HAVE_PTHREADS=no)
107	<	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
108	<	AC_MSG_ERROR([You need pthreads to run Basilisk II.])
109	<	else
43	<	LIBS="$LIBS -lPTL"
44	<	fi
45	<	else
46	<	LIBS="$LIBS -lc_r"
47	<	fi
48	<	else
49	<	LIBS="$LIBS -lpthread"
99	>	dnl We want pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL.
100	>	HAVE_PTHREADS=yes
101	>	AC_CHECK_LIB(pthread, pthread_create, , [
102	>	AC_CHECK_LIB(c_r, pthread_create, , [
103	>	AC_CHECK_LIB(PTL, pthread_create, , [
104	>	HAVE_PTHREADS=no
105	>	])
106	>	])
107	>	])
108	>	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
109	>	AC_DEFINE(HAVE_PTHREADS)
110		fi
111		AC_CHECK_FUNCS(pthread_cancel)
112
113	<	dnl We use DGA if possible.
114	<	if [[ "x$WANT_DGA" = "xyes" ]]; then
115	<	AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, HAVE_DGA=yes, HAVE_DGA=no)
116	<	if [[ "x$HAVE_DGA" = "xno" ]]; then
117	<	AC_MSG_WARN([Could not find DGA extension, ignoring --enable-dga.])
58	<	else
59	<	DEFINES="$DEFINES -DENABLE_DGA=1"
60	<	LIBS="$LIBS -lXxf86dga"
113	>	dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
114	>	SEMSRC=
115	>	AC_CHECK_FUNCS(sem_init, , [
116	>	if test "x$HAVE_PTHREADS" = "xyes"; then
117	>	SEMSRC=posix_sem.cpp
118		fi
119	+	])
120	+
121	+	dnl We use DGA (XFree86 or fbdev) if possible.
122	+	if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
123	+	AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, [
124	+	AC_DEFINE(ENABLE_XF86_DGA)
125	+	LIBS="$LIBS -lXxf86dga"
126	+	if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
127	+	AC_MSG_WARN([Cannot have both --enable-xf86-dga and --enable-fbdev-dga, ignoring --enable-fbdev-dga.])
128	+	WANT_FBDEV_DGA=no
129	+	fi
130	+	], [
131	+	AC_MSG_WARN([Could not find XFree86 DGA extension, ignoring --enable-xf86-dga.])
132	+	WANT_XF86_DGA=no
133	+	])
134	+	fi
135	+	if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
136	+	AC_DEFINE(ENABLE_FBDEV_DGA)
137	+	fi
138	+
139	+	dnl We use XFree86 VidMode if possible.
140	+	if [[ "x$WANT_XF86_VIDMODE" = "xyes" ]]; then
141	+	AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryExtension, [
142	+	AC_DEFINE(ENABLE_XF86_VIDMODE)
143	+	LIBS="$LIBS -lXxf86vm"
144	+	], [
145	+	AC_MSG_WARN([Could not find XFree86 VidMode extension, ignoring --enable-xf86-vidmode.])
146	+	WANT_XF86_VIDMODE=no
147	+	])
148		fi
149
150		dnl We use GTK+ if possible.
151	<	if [[ "x$WANT_UI" = "xyes" ]]; then
152	<	AM_PATH_GTK(1.2.0)
153	<	if [[ "x$no_gtk" = "xyes" ]]; then
154	<	echo "Did not find gtk+, disabling user interface."
155	<	WANT_UI=no
156	<	GTK_CFLAGS=
157	<	GTK_LIBS=
158	<	else
159	<	DEFINES="$DEFINES -DENABLE_GTK=1"
160	<	fi
161	<	CFLAGS="$CFLAGS $GTK_CFLAGS"
162	<	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
77	<	LIBS="$LIBS $GTK_LIBS"
151	>	UISRCS=../dummy/prefs_editor_dummy.cpp
152	>	if [[ "x$WANT_GTK" = "xyes" ]]; then
153	>	AM_PATH_GTK(1.2.0, [
154	>	AC_DEFINE(ENABLE_GTK)
155	>	CFLAGS="$CFLAGS $GTK_CFLAGS"
156	>	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
157	>	LIBS="$LIBS $GTK_LIBS"
158	>	UISRCS=prefs_editor_gtk.cpp
159	>	], [
160	>	AC_MSG_WARN([Could not find GTK+, disabling user interface.])
161	>	WANT_GTK=no
162	>	])
163		fi
164
165	<	dnl We need POSIX.4 semaphores (and other POSIX.4 blessings).
166	<	SEMSRCS=
167	<	AC_CHECK_FUNCS(sem_init)
168	<	if [[ "x$ac_cv_func_sem_init" = "xno" ]]; then
169	<	AC_CHECK_LIB(posix4, sem_init, HAVE_LIBPOSIX4=yes, HAVE_LIBPOSIX4=no)
170	<	if [[ "x$HAVE_LIBPOSIX4" = "xno" ]]; then
171	<	dnl Emulate semaphores with pthread mutexes
172	<	SEMSRCS="posix_sem.cpp"
173	<	else
174	<	LIBS="$LIBS -lposix4"
175	<	fi
165	>	dnl We use ESD if possible.
166	>	if [[ "x$WANT_ESD" = "xyes" ]]; then
167	>	AM_PATH_ESD(0.2.8, [
168	>	AC_DEFINE(ENABLE_ESD)
169	>	CFLAGS="$CFLAGS $ESD_CFLAGS"
170	>	CXXFLAGS="$CXXFLAGS $ESD_CFLAGS"
171	>	LIBS="$LIBS $ESD_LIBS"
172	>	], [
173	>	AC_MSG_WARN([Could not find ESD, disabling ESD support.])
174	>	WANT_ESD=no
175	>	])
176		fi
177
178		dnl Checks for header files.
#	Line 102 | Line 187 | AC_CHECK_SIZEOF(short, 2)
187		AC_CHECK_SIZEOF(int, 4)
188		AC_CHECK_SIZEOF(long, 4)
189		AC_CHECK_SIZEOF(long long, 8)
190	+	AC_CHECK_SIZEOF(void *, 4)
191		AC_TYPE_OFF_T
192		AC_CHECK_TYPE(loff_t, off_t)
193		AC_TYPE_SIZE_T
194	+	AC_TYPE_SIGNAL
195		AC_HEADER_TIME
196		AC_STRUCT_TM
197
198		dnl Checks for library functions.
199		AC_CHECK_FUNCS(strdup cfmakeraw)
200	<	AC_CHECK_FUNCS(nanosleep clock_gettime timer_create)
200	>	AC_CHECK_FUNCS(clock_gettime timer_create)
201
202		dnl Select system-dependant source files.
203	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp ../dummy/audio_dummy.cpp"
204	<	if MACHINE=`uname -a 2>/dev/null`; then
205	<	case "$MACHINE" in
206	<	Linux*)
207	<	SYSSRCS="Linux/ether_linux.cpp Linux/scsi_linux.cpp Linux/audio_linux.cpp"
208	<	;;
209	<	FreeBSD*3.*)
210	<	dnl Check for the CAM library
211	<	AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
212	<	if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
213	<	AC_MSG_ERROR([Cannot find libcam for SCSI management.])
203	>	SERIALSRC=serial_unix.cpp
204	>	ETHERSRC=../dummy/ether_dummy.cpp
205	>	SCSISRC=../dummy/scsi_dummy.cpp
206	>	AUDIOSRC=../dummy/audio_dummy.cpp
207	>	EXTRASYSSRCS=
208	>	CAN_NATIVE_M68K=no
209	>	case "$target_os" in
210	>	linux*)
211	>	ETHERSRC=Linux/ether_linux.cpp
212	>	SCSISRC=Linux/scsi_linux.cpp
213	>	AUDIOSRC=audio_oss_esd.cpp
214	>	;;
215	>	freebsd*3.*)
216	>	AUDIOSRC=audio_oss_esd.cpp
217	>	DEFINES="$DEFINES -DBSD_COMP"
218	>	dnl Check for the CAM library
219	>	AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
220	>	if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
221	>	AC_MSG_WARN([Cannot find libcam for SCSI management, disabling SCSI support.])
222	>	else
223	>	dnl Check for the sys kernel includes
224	>	AC_CHECK_HEADER(/sys/cam/cam.h)
225	>	if [[ "x$ac_cv_header__sys_cam_cam_h" = "xno" ]]; then
226	>	dnl In this case I should fix this thing including a "patch"
227	>	dnl to access directly to the functions in the kernel :) --Orlando
228	>	AC_MSG_WARN([Cannot find kernel includes for CAM library, disabling SCSI support.])
229		else
230	<	dnl Check for the sys kernel includes
129	<	AC_CHECK_HEADER(/sys/cam/cam.h)
130	<	if [[ "x$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"
230	>	SCSISRC=FreeBSD/scsi_freebsd.cpp
231		CXXFLAGS="$CXXFLAGS -I/sys"
232		CFLAGS="$CFLAGS -I/sys"
233		LIBS="$LIBS -lcam"
234	<	DEFINES="$DEFINES -DBSD_COMP -DCAM"
234	>	DEFINES="$DEFINES -DCAM"
235		fi
236	<	;;
237	<	FreeBSD*)
238	<	dnl Check for the SCSI library
239	<	AC_CHECK_LIB(scsi, scsi_open, HAVE_LIBSCSI=yes, HAVE_LIBSCSI=no)
240	<	if [[ "x$HAVE_LIBSCSI" = "xno" ]]; then
241	<	AC_MSG_ERROR([Cannot find libscsi for SCSI management.])
236	>	fi
237	>	;;
238	>	freebsd*)
239	>	DEFINES="$DEFINES -DBSD_COMP"
240	>	dnl Check for the SCSI library
241	>	AC_CHECK_LIB(scsi, scsi_open, HAVE_LIBSCSI=yes, HAVE_LIBSCSI=no)
242	>	if [[ "x$HAVE_LIBSCSI" = "xno" ]]; then
243	>	AC_MSG_WARN([Cannot find libscsi for SCSI management, disabling SCSI support.])
244	>	else
245	>	dnl Check for the sys kernel includes
246	>	AC_CHECK_HEADER(scsi.h sys/scsiio.h)
247	>	if [[ "x$ac_cv_header_scsi_h" = "xno" ]]; then
248	>	AC_MSG_WARN([Cannot find includes for the SCSI library, disabling SCSI support.])
249		else
250	<	dnl Check for the sys kernel includes
149	<	AC_CHECK_HEADER(scsi.h sys/scsiio.h)
150	<	if [[ "x$ac_cv_header_scsi_h" = "xno" ]]; then
151	<	AC_MSG_ERROR([Cannot find includes for the SCSI library.])
152	<	fi
153	<	SYSSRCS="../dummy/ether_dummy.cpp FreeBSD/scsi_freebsd.cpp ../dummy/audio_dummy.cpp"
250	>	SCSISRC=FreeBSD/scsi_freebsd.cpp
251		LIBS="$LIBS -lscsi"
155	–	DEFINES="$DEFINES -DBSD_COMP"
252		fi
253	<	;;
254	<	SunOS*)
255	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp Solaris/audio_solaris.cpp"
256	<	DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
257	<	;;
258	<	IRIX*)
259	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp ../dummy/audio_dummy.cpp Irix/unaligned.c"
260	<	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200"
261	<	LIBS="$LIBS -lm"
253	>	fi
254	>	;;
255	>	netbsd*)
256	>	CAN_NATIVE_M68K=yes
257	>	;;
258	>	solaris*)
259	>	AUDIOSRC=Solaris/audio_solaris.cpp
260	>	DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
261	>	;;
262	>	irix*)
263	>	AUDIOSRC=Irix/audio_irix.cpp
264	>	EXTRASYSSRCS=Irix/unaligned.c
265	>	dnl IRIX headers work fine, but somehow don't define or use "STDC_HEADERS"
266	>	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200 -DSTDC_HEADERS"
267	>	LIBS="$LIBS -laudio"
268	>	;;
269	>	esac
270	>
271	>	dnl Use 68k CPU natively?
272	>	WANT_NATIVE_M68K=no
273	>	if [[ "x$HAVE_M68K" = "xyes" -a "x$CAN_NATIVE_M68K" = "xyes" ]]; then
274	>	AC_DEFINE(ENABLE_NATIVE_M68K)
275	>	WANT_NATIVE_M68K=yes
276	>	fi
277	>
278	>	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
279	>	dnl Serial, ethernet and audio support needs pthreads
280	>	AC_MSG_WARN([You don't have pthreads, disabling serial, ethernet and audio support.])
281	>	SERIALSRC=../dummy/serial_dummy.cpp
282	>	ETHERSRC=../dummy/ether_dummy.cpp
283	>	AUDIOSRC=../dummy/audio_dummy.cpp
284	>	fi
285	>	SYSSRCS="$SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
286	>
287	>	dnl Define a macro that translates a yesno-variable into a C macro definition
288	>	dnl to be put into the config.h file
289	>	dnl $1 -- the macro to define
290	>	dnl $2 -- the value to translate
291	>	AC_DEFUN(AC_TRANSLATE_DEFINE, [
292	>	if [[ "x$2" = "xyes" ]]; then
293	>	AC_DEFINE($1)
294	>	fi
295	>	])
296	>
297	>	dnl Check if we can mmap 0x2000 bytes from 0x0000
298	>	AC_CACHE_CHECK("whether we can map Low Memory area 0x0000-0x2000",
299	>	ac_cv_can_map_lm, [
300	>	AC_LANG_SAVE
301	>	AC_LANG_CPLUSPLUS
302	>	AC_TRY_RUN([
303	>	#include <unistd.h>
304	>	#include <fcntl.h>
305	>	#include <sys/mman.h>
306	>
307	>	int main()
308	>	{ int zero_fd; char * lm;
309	>	if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
310	>	if ((lm = (char *)mmap((caddr_t)0x0000, 0x2000, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_PRIVATE, zero_fd, 0)) == MAP_FAILED) exit(1);
311	>	lm[0] = 0x12;
312	>	munmap(lm, 0x2000);
313	>	close(zero_fd);
314	>	exit(0);
315	>	}
316	>	],
317	>	[ac_cv_can_map_lm=yes],
318	>	[ac_cv_can_map_lm=no]
319	>	)
320	>	AC_LANG_RESTORE
321	>	]
322	>	)
323	>
324	>	dnl Check if extended signals are supported.
325	>	AC_CACHE_CHECK("whether your system supports extended signal handlers",
326	>	ac_cv_have_extended_signals, [
327	>	AC_LANG_SAVE
328	>	AC_LANG_CPLUSPLUS
329	>	AC_TRY_RUN([
330	>	#include <unistd.h>
331	>	#include <stdlib.h>
332	>	#include <signal.h>
333	>	#include <fcntl.h>
334	>	#include <sys/mman.h>
335	>
336	>	static volatile caddr_t mem = 0;
337	>	static int zero_fd = -1;
338	>
339	>	static RETSIGTYPE segfault_handler(int, siginfo_t * sip, void *)
340	>	{ if ((caddr_t)(sip->si_addr) != mem) exit(1);
341	>	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
342	>
343	>	int main()
344	>	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
345	>	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
346	>	struct sigaction sa; sa.sa_sigaction = segfault_handler; sa.sa_flags = SA_SIGINFO;
347	>	sigaction(SIGSEGV, &sa, 0);
348	>	mem[0] = 0;
349	>	exit(1); // should not be reached
350	>	}
351	>	],
352	>	[ac_cv_have_extended_signals=yes],
353	>	[ac_cv_have_extended_signals=no]
354	>	)
355	>	AC_LANG_RESTORE
356	>	]
357	>	)
358	>	AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals")
359	>
360	>	dnl Otherwise, check for subterfuges.
361	>	if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
362	>	case "$target_os" in
363	>	linux*)
364	>	if [[ "x$HAVE_I386" = "xyes" ]]; then
365	>	AC_CACHE_CHECK("whether we then have a subterfuge for your system",
366	>	ac_cv_have_sigcontext_hack, [
367	>	AC_LANG_SAVE
368	>	AC_LANG_CPLUSPLUS
369	>	AC_TRY_RUN([
370	>	#include <unistd.h>
371	>	#include <signal.h>
372	>	#include <fcntl.h>
373	>	#include <sys/mman.h>
374	>
375	>	static volatile caddr_t mem = 0;
376	>	static int zero_fd = -1;
377	>
378	>	static RETSIGTYPE segfault_handler(int, struct sigcontext scs)
379	>	{ if ((caddr_t)(scs.cr2) != mem) exit(1);
380	>	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
381	>
382	>	int main()
383	>	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
384	>	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
385	>	struct sigaction sa; sa.sa_flags = 0;
386	>	sa.sa_handler = (RETSIGTYPE (*)(int))segfault_handler;
387	>	sigaction(SIGSEGV, &sa, 0);
388	>	mem[0] = 0;
389	>	exit(1); // should not be reached
390	>	}
391	>	],
392	>	[ac_cv_have_sigcontext_hack=yes],
393	>	[ac_cv_have_sigcontext_hack=no]
394	>	)
395	>	AC_LANG_RESTORE
396	>	])
397	>	AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, $ac_cv_have_sigcontext_hack)
398	>	fi
399	>	;;
400	>	netbsd*)
401	>	if [[ "x$HAVE_M68K" = "xyes" ]]; then
402	>	AC_CACHE_CHECK("whether we then have a subterfuge for your system",
403	>	ac_cv_have_sigcontext_hack, [
404	>	AC_LANG_SAVE
405	>	AC_LANG_CPLUSPLUS
406	>	AC_TRY_RUN([
407	>	#include <unistd.h>
408	>	#include <signal.h>
409	>	#include <fcntl.h>
410	>	#include <sys/mman.h>
411	>
412	>	static volatile caddr_t mem = 0;
413	>	static int zero_fd = -1;
414	>
415	>	static RETSIGTYPE segfault_handler(int, int code)
416	>	{ if ((caddr_t)code != mem) exit(1);
417	>	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
418	>
419	>	int main()
420	>	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
421	>	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
422	>	struct sigaction sa; sa.sa_flags = 0;
423	>	sa.sa_handler = (RETSIGTYPE (*)(int))segfault_handler;
424	>	sigaction(SIGSEGV, &sa, 0);
425	>	mem[0] = 0;
426	>	exit(1); // should not be reached
427	>	}
428	>	],
429	>	[ac_cv_have_sigcontext_hack=yes],
430	>	[ac_cv_have_sigcontext_hack=no]
431	>	)
432	>	AC_LANG_RESTORE
433	>	])
434	>	AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, $ac_cv_have_sigcontext_hack)
435	>	fi
436		;;
437		esac
168	–	if [[ "x$WANT_UI" = "xyes" ]]; then
169	–	SYSSRCS="$SYSSRCS prefs_editor_gtk.cpp"
170	–	else
171	–	SYSSRCS="$SYSSRCS ../dummy/prefs_editor_dummy.cpp"
172	–	fi
438		fi
439	<	if [[ "x$SEMSRCS" != "x" ]]; then
440	<	SYSSRCS="$SYSSRCS $SEMSRCS"
439	>
440	>	dnl Can we do Video on SEGV Signals ?
441	>	CAN_VOSF=no
442	>	if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
443	>	CAN_VOSF=yes
444		fi
445
446	<	dnl Defaults for UAE CPU.
447	<	CPUINCLUDES="-I../uae_cpu"
448	<	CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp ../uae_cpu/fpp.cpp cpustbl.cpp cpudefs.cpp"
446	>	dnl Determine the addressing mode to use
447	>	if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
448	>	ADDRESSING_MODE="real"
449	>	else
450	>	ADDRESSING_MODE=""
451	>	AC_MSG_CHECKING([for the addressing mode to use])
452	>	for am in $ADDRESSING_TEST_ORDER; do
453	>	case $am in
454	>	real)
455	>	dnl Requires ability to mmap() Low Memory globals
456	>	if [[ "x$ac_cv_can_map_lm" = "xno" ]]; then
457	>	continue
458	>	fi
459	>	dnl Requires VOSF screen updates
460	>	if [[ "x$CAN_VOSF" = "xno" ]]; then
461	>	continue
462	>	fi
463	>	dnl Real addressing will probably work.
464	>	ADDRESSING_MODE="real"
465	>	WANT_VOSF=yes dnl we can use VOSF and we need it actually
466	>	DEFINES="$DEFINES -DREAL_ADDRESSING"
467	>	break
468	>	;;
469	>	direct)
470	>	dnl Requires VOSF screen updates
471	>	if [[ "x$CAN_VOSF" = "xyes" ]]; then
472	>	ADDRESSING_MODE="direct"
473	>	WANT_VOSF=yes dnl we can use VOSF and we need it actually
474	>	DEFINES="$DEFINES -DDIRECT_ADDRESSING"
475	>	break
476	>	fi
477	>	;;
478	>	banks)
479	>	dnl Default addressing mode
480	>	ADDRESSING_MODE="memory banks"
481	>	break
482	>	;;
483	>	*)
484	>	AC_MSG_ERROR([Internal configure.in script error for $am addressing mode])
485	>	esac
486	>	done
487	>	AC_MSG_RESULT($ADDRESSING_MODE)
488	>	if [[ "x$ADDRESSING_MODE" = "x" ]]; then
489	>	AC_MSG_WARN([Sorry, no suitable addressing mode in $ADDRESSING_TEST_ORDER])
490	>	ADDRESSING_MODE="memory banks"
491	>	fi
492	>	fi
493
494	<	dnl Check for i386.
495	<	HAVE_I386=no
496	<	AC_MSG_CHECKING(for x86 target CPU)
497	<	AC_EGREP_CPP(yes,
498	<	[
499	<	#ifdef __i386__
188	<	yes
189	<	#endif
190	<	], [AC_MSG_RESULT(yes); HAVE_I386=yes], AC_MSG_RESULT(no))
494	>	dnl Enable VOSF screen updates with this feature is requested and feasible
495	>	if [[ "x$WANT_VOSF" = "xyes" -a "x$CAN_VOSF" = "xyes" ]]; then
496	>	AC_DEFINE(ENABLE_VOSF)
497	>	else
498	>	WANT_VOSF=no
499	>	fi
500
501		dnl Check for GAS.
502		HAVE_GAS=no
#	Line 208 | Line 517 | AC_EGREP_CPP(yes,
517		#endif
518		], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
519
520	<	dnl Set "-fomit-frame-pointer" on GCC.
521	<	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
520	>	dnl Set "-fomit-frame-pointer" on i386 GCC 2.7 or higher.
521	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
522		CFLAGS="$CFLAGS -fomit-frame-pointer"
523		CXXFLAGS="$CXXFLAGS -fomit-frame-pointer"
524		fi
525
526		dnl Select appropriate CPU source and REGPARAM define.
527	+	ASM_OPTIMIZATIONS=none
528	+	CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
529	+	FPUSRCS="../uae_cpu/fpp.cpp"
530		if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
531	+	dnl i386 CPU
532		DEFINES="$DEFINES -DREGPARAM=\"__attribute__((regparm(3)))\""
533		if [[ "x$HAVE_GAS" = "xyes" ]]; then
534	<	DEFINES="$DEFINES -DX86_ASSEMBLY"
535	<	CPUSRCS="$CPUSRCS cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s"
536	<	else
537	<	CPUSRCS="$CPUSRCS cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
534	>	ASM_OPTIMIZATIONS=i386
535	>	DEFINES="$DEFINES -DX86_ASSEMBLY -DUNALIGNED_PROFITABLE -DOPTIMIZED_FLAGS"
536	>	CPUSRCS="../uae_cpu/compiler.cpp cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s"
537	>	FPUSRCS="../uae_cpu/fpu_x86.cpp"
538		fi
539	<	else
540	<	CPUSRCS="$CPUSRCS cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
539	>	elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
540	>	dnl SPARC CPU
541	>	case "$target_os" in
542	>	solaris*)
543	>	AC_MSG_CHECKING(SPARC CPU architecture)
544	>	SPARC_TYPE=`Solaris/which_sparc`
545	>	AC_MSG_RESULT($SPARC_TYPE)
546	>	case "$SPARC_TYPE" in
547	>	SPARC_V8)
548	>	ASM_OPTIMIZATIONS="SPARC V8 architecture"
549	>	DEFINES="$DEFINES -DSPARC_V8_ASSEMBLY" dnl -DOPTIMIZED_FLAGS"
550	>	CFLAGS="$CFLAGS -Wa,-Av8"
551	>	CXXFLAGS="$CXXFLAGS -Wa,-Av8"
552	>	;;
553	>	SPARC_V9)
554	>	ASM_OPTIMIZATIONS="SPARC V9 architecture"
555	>	DEFINES="$DEFINES -DSPARC_V9_ASSEMBLY" dnl -DOPTIMIZED_FLAGS"
556	>	CFLAGS="$CFLAGS -Wa,-Av9"
557	>	CXXFLAGS="$CXXFLAGS -Wa,-Av9"
558	>	;;
559	>	esac
560	>	;;
561	>	esac
562	>	elif [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
563	>	dnl Native m68k, no emulation
564	>	CPUINCLUDES="-I../native_cpu"
565	>	CPUSRCS="asm_support.s"
566	>	fi
567	>
568	>	dnl UAE CPU sources for all non-m68k-native architectures.
569	>	if [[ "x$WANT_NATIVE_M68K" = "xno" ]]; then
570	>	CPUINCLUDES="-I../uae_cpu"
571	>	CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp $FPUSRCS cpustbl.cpp cpudefs.cpp $CPUSRCS"
572	>	fi
573	>
574	>	dnl Remove the "-g" option if set for GCC.
575	>	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
576	>	dnl gb-- Probably not the cleanest way to take
577	>	CFLAGS=`echo $CFLAGS | sed -e 's/ -g / /;s/^-g / /;s/ -g$/ /;s/^-g$//'`
578	>	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/ -g / /;s/^-g / /;s/ -g$/ /;s/^-g$//'`
579		fi
580
581		dnl Generate Makefile.
582		AC_SUBST(DEFINES)
232	–	AC_SUBST(STATICLIBS)
583		AC_SUBST(SYSSRCS)
584		AC_SUBST(CPUINCLUDES)
585		AC_SUBST(CPUSRCS)
586		AC_OUTPUT(Makefile)
587	<	echo "Configuration done. Now type \"make\"."
587	>
588	>	dnl Print summary.
589	>	echo
590	>	echo Basilisk II configuration summary:
591	>	echo
592	>	echo XFree86 DGA support .............. : $WANT_XF86_DGA
593	>	echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
594	>	echo fbdev DGA support ................ : $WANT_FBDEV_DGA
595	>	echo Enable video on SEGV signals ..... : $WANT_VOSF
596	>	echo ESD sound support ................ : $WANT_ESD
597	>	echo GTK user interface ............... : $WANT_GTK
598	>	echo mon debugger support ............. : $WANT_MON
599	>	echo Running m68k code natively ....... : $WANT_NATIVE_M68K
600	>	echo Assembly optimizations ........... : $ASM_OPTIMIZATIONS
601	>	echo Addressing mode .................. : $ADDRESSING_MODE
602	>	echo
603	>	echo "Configuration done. Now type \"make\" (or \"gmake\")."

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