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

Comparing BasiliskII/src/Unix/configure.in (file contents):
Revision 1.1.1.1 by cebix, 1999-10-03T14:16:25Z vs.
Revision 1.33 by cebix, 2001-02-10T15:29:01Z

#	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=$enableval], [WANT_FBDEV_DGA=yes])
12	>	AC_ARG_ENABLE(vosf,          [  --enable-vosf           enable video on SEGV signals [default=no]], [WANT_VOSF=$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_$OS_TYPE"
46	>
47	>	dnl Target CPU type.
48	>	HAVE_I386=no
49	>	HAVE_M68K=no
50	>	HAVE_SPARC=no
51	>	HAVE_POWERPC=no
52	>	case "$target_cpu" in
53	>	i386* | i486* | i586* | i686* | i786* ) CPU_TYPE=i386 HAVE_I386=yes;;
54	>	m68k* ) CPU_TYPE=m68k HAVE_M68K=yes;;
55	>	sparc* ) CPU_TYPE=sparc HAVE_SPARC=yes;;
56	>	powerpc* ) CPU_TYPE=powerpc HAVE_POWERPC=yes;;
57	>	*) CPU_TYPE=`echo $target_cpu | sed -e 's/-/_/'`;;
58	>	esac
59	>	DEFINES="$DEFINES -DCPU_$CPU_TYPE"
60
61		dnl Checks for programs.
62		AC_PROG_CC
63	<	AC_PROG_CXX
63	>	AC_PROG_CC_C_O
64		AC_PROG_CPP
65	+	AC_PROG_CXX
66		AC_PROG_MAKE_SET
67		AC_PROG_INSTALL
68
69	+	dnl We use mon if possible.
70	+	MONSRCS=
71	+	if [[ "x$WANT_MON" = "xyes" ]]; then
72	+	AC_MSG_CHECKING(for mon)
73	+	mon_srcdir=../../../mon/src
74	+	if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
75	+	AC_MSG_RESULT(yes)
76	+	AC_DEFINE(ENABLE_MON)
77	+	MONSRCS="$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 $mon_srcdir/disass/m68k-opc.c"
78	+	CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass"
79	+	AC_CHECK_LIB(readline, readline)
80	+	AC_CHECK_LIB(termcap, tputs)
81	+	AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
82	+	else
83	+	AC_MSG_RESULT(no)
84	+	AC_MSG_WARN([Could not find mon, ignoring --with-mon.])
85	+	WANT_MON=no
86	+	fi
87	+	fi
88	+
89		dnl Checks for libraries.
90	+	AC_CHECK_LIB(posix4, sem_init)
91	+
92	+	dnl We need X11.
93		AC_PATH_XTRA
94		if [[ "x$no_x" = "xyes" ]]; then
95		AC_MSG_ERROR([You need X11 to run Basilisk II.])
96		fi
26	–
97		CFLAGS="$CFLAGS $X_CFLAGS"
98		CXXFLAGS="$CXXFLAGS $X_CFLAGS"
99		LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
30	–	STATICLIBS=
100
101	<	dnl We need pthreads.
102	<	AC_CHECK_LIB(pthread, pthread_create, HAVE_PTHREADS=yes, HAVE_PTHREADS=no)
103	<	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
104	<	dnl Check even the libc_r (FreeBSD)
105	<	AC_CHECK_LIB(c_r, pthread_create, HAVE_PTHREADS=yes, HAVE_PTHREADS=no)
106	<	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
107	<	AC_MSG_ERROR([You need libpthreads to run Basilisk II.])
108	<	else
109	<	LIBS="$LIBS -lc_r"
110	<	fi
111	<	else
43	<	LIBS="$LIBS -lpthread"
101	>	dnl We want pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL.
102	>	HAVE_PTHREADS=yes
103	>	AC_CHECK_LIB(pthread, pthread_create, , [
104	>	AC_CHECK_LIB(c_r, pthread_create, , [
105	>	AC_CHECK_LIB(PTL, pthread_create, , [
106	>	HAVE_PTHREADS=no
107	>	])
108	>	])
109	>	])
110	>	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
111	>	AC_DEFINE(HAVE_PTHREADS)
112		fi
113		AC_CHECK_FUNCS(pthread_cancel)
114
115	<	dnl We use DGA if possible.
116	<	if [[ "x$WANT_DGA" = "xyes" ]]; then
117	<	AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, HAVE_DGA=yes, HAVE_DGA=no)
118	<	if [[ "x$HAVE_DGA" = "xno" ]]; then
119	<	AC_MSG_WARN([Could not find DGA extension, ignoring --enable-dga.])
52	<	else
53	<	DEFINES="$DEFINES -DENABLE_DGA=1"
54	<	LIBS="$LIBS -lXxf86dga"
115	>	dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
116	>	SEMSRC=
117	>	AC_CHECK_FUNCS(sem_init, , [
118	>	if test "x$HAVE_PTHREADS" = "xyes"; then
119	>	SEMSRC=posix_sem.cpp
120		fi
121	+	])
122	+
123	+	dnl We use DGA (XFree86 or fbdev) if possible.
124	+	if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
125	+	AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, [
126	+	AC_DEFINE(ENABLE_XF86_DGA)
127	+	LIBS="$LIBS -lXxf86dga"
128	+	if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
129	+	AC_MSG_WARN([Cannot have both --enable-xf86-dga and --enable-fbdev-dga, ignoring --enable-fbdev-dga.])
130	+	WANT_FBDEV_DGA=no
131	+	fi
132	+	], [
133	+	AC_MSG_WARN([Could not find XFree86 DGA extension, ignoring --enable-xf86-dga.])
134	+	WANT_XF86_DGA=no
135	+	])
136	+	fi
137	+	if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
138	+	AC_DEFINE(ENABLE_FBDEV_DGA)
139	+	fi
140	+
141	+	dnl We use XFree86 VidMode if possible.
142	+	if [[ "x$WANT_XF86_VIDMODE" = "xyes" ]]; then
143	+	AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryExtension, [
144	+	AC_DEFINE(ENABLE_XF86_VIDMODE)
145	+	LIBS="$LIBS -lXxf86vm"
146	+	], [
147	+	AC_MSG_WARN([Could not find XFree86 VidMode extension, ignoring --enable-xf86-vidmode.])
148	+	WANT_XF86_VIDMODE=no
149	+	])
150		fi
151
152		dnl We use GTK+ if possible.
153	<	if [[ "x$WANT_UI" = "xyes" ]]; then
154	<	AM_PATH_GTK(1.2.0)
155	<	if [[ "x$no_gtk" = "xyes" ]]; then
156	<	echo "Did not find gtk+, disabling user interface."
157	<	WANT_UI=no
158	<	GTK_CFLAGS=
159	<	GTK_LIBS=
160	<	else
161	<	DEFINES="$DEFINES -DENABLE_GTK=1"
162	<	fi
163	<	CFLAGS="$CFLAGS $GTK_CFLAGS"
164	<	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
165	<	LIBS="$LIBS $GTK_LIBS"
166	<	fi
167	<
168	<	dnl We need POSIX.4 semaphores (and other POSIX.4 blessings).
169	<	SEMSRCS=
170	<	AC_CHECK_FUNCS(sem_init)
171	<	if [[ "x$ac_cv_func_sem_init" = "xno" ]]; then
172	<	AC_CHECK_LIB(posix4, sem_init, HAVE_LIBPOSIX4=yes, HAVE_LIBPOSIX4=no)
173	<	if [[ "x$HAVE_LIBPOSIX4" = "xno" ]]; then
174	<	dnl Checks for the existance of semget
175	<	AC_CHECK_FUNCS(semget)
176	<	if [[ "x$ac_cv_func_semget" = "xno" ]]; then
177	<	AC_MSG_ERROR([You need POSIX.4 semaphores to run Basilisk II.])
84	<	else
85	<	SEMSRCS="posix_sem.cpp"
86	<	fi
87	<	else
88	<	LIBS="$LIBS -lposix4"
89	<	fi
153	>	UISRCS=../dummy/prefs_editor_dummy.cpp
154	>	if [[ "x$WANT_GTK" = "xyes" ]]; then
155	>	AM_PATH_GTK(1.2.0, [
156	>	AC_DEFINE(ENABLE_GTK)
157	>	CFLAGS="$CFLAGS $GTK_CFLAGS"
158	>	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
159	>	LIBS="$LIBS $GTK_LIBS"
160	>	UISRCS=prefs_editor_gtk.cpp
161	>	], [
162	>	AC_MSG_WARN([Could not find GTK+, disabling user interface.])
163	>	WANT_GTK=no
164	>	])
165	>	fi
166	>
167	>	dnl We use ESD if possible.
168	>	if [[ "x$WANT_ESD" = "xyes" ]]; then
169	>	AM_PATH_ESD(0.2.8, [
170	>	AC_DEFINE(ENABLE_ESD)
171	>	CFLAGS="$CFLAGS $ESD_CFLAGS"
172	>	CXXFLAGS="$CXXFLAGS $ESD_CFLAGS"
173	>	LIBS="$LIBS $ESD_LIBS"
174	>	], [
175	>	AC_MSG_WARN([Could not find ESD, disabling ESD support.])
176	>	WANT_ESD=no
177	>	])
178		fi
179
180		dnl Checks for header files.
#	Line 101 | Line 189 | AC_CHECK_SIZEOF(short, 2)
189		AC_CHECK_SIZEOF(int, 4)
190		AC_CHECK_SIZEOF(long, 4)
191		AC_CHECK_SIZEOF(long long, 8)
192	+	AC_CHECK_SIZEOF(void *, 4)
193		AC_TYPE_OFF_T
194		AC_CHECK_TYPE(loff_t, off_t)
195		AC_TYPE_SIZE_T
196	+	AC_TYPE_SIGNAL
197		AC_HEADER_TIME
198		AC_STRUCT_TM
199
200		dnl Checks for library functions.
201		AC_CHECK_FUNCS(strdup cfmakeraw)
202	<	AC_CHECK_FUNCS(nanosleep clock_gettime timer_create)
202	>	AC_CHECK_FUNCS(clock_gettime timer_create)
203
204		dnl Select system-dependant source files.
205	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp ../dummy/audio_dummy.cpp"
206	<	if MACHINE=`uname -a 2>/dev/null`; then
207	<	case "$MACHINE" in
208	<	Linux*)
209	<	SYSSRCS="Linux/ether_linux.cpp Linux/scsi_linux.cpp Linux/audio_linux.cpp"
210	<	;;
211	<	FreeBSD*3.*)
212	<	dnl Check for the CAM library
213	<	AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
214	<	if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
215	<	AC_MSG_ERROR([Cannot find libcam for SCSI management.])
205	>	SERIALSRC=serial_unix.cpp
206	>	ETHERSRC=../dummy/ether_dummy.cpp
207	>	SCSISRC=../dummy/scsi_dummy.cpp
208	>	AUDIOSRC=../dummy/audio_dummy.cpp
209	>	EXTRASYSSRCS=
210	>	CAN_NATIVE_M68K=no
211	>	case "$target_os" in
212	>	linux*)
213	>	ETHERSRC=Linux/ether_linux.cpp
214	>	SCSISRC=Linux/scsi_linux.cpp
215	>	AUDIOSRC=audio_oss_esd.cpp
216	>	;;
217	>	freebsd*3.*)
218	>	AUDIOSRC=audio_oss_esd.cpp
219	>	DEFINES="$DEFINES -DBSD_COMP"
220	>	dnl Check for the CAM library
221	>	AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
222	>	if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
223	>	AC_MSG_WARN([Cannot find libcam for SCSI management, disabling SCSI support.])
224	>	else
225	>	dnl Check for the sys kernel includes
226	>	AC_CHECK_HEADER(/sys/cam/cam.h)
227	>	if [[ "x$ac_cv_header__sys_cam_cam_h" = "xno" ]]; then
228	>	dnl In this case I should fix this thing including a "patch"
229	>	dnl to access directly to the functions in the kernel :) --Orlando
230	>	AC_MSG_WARN([Cannot find kernel includes for CAM library, disabling SCSI support.])
231		else
232	<	dnl Check for the sys kernel includes
128	<	AC_CHECK_HEADER(/sys/cam/cam.h)
129	<	if [[ "x$ac_cv_header__sys_cam_cam_h" = "xno" ]]; then
130	<	dnl In this case I should fix this thing including a "patch"
131	<	dnl to access directly to the functions in the kernel :) --Orlando
132	<	AC_MSG_ERROR([Cannot find kernel includes for CAM library.])
133	<	fi
134	<	SYSSRCS="../dummy/ether_dummy.cpp FreeBSD/scsi_freebsd.cpp ../dummy/audio_dummy.cpp"
232	>	SCSISRC=FreeBSD/scsi_freebsd.cpp
233		CXXFLAGS="$CXXFLAGS -I/sys"
234		CFLAGS="$CFLAGS -I/sys"
235		LIBS="$LIBS -lcam"
236	<	DEFINES="$DEFINES -DBSD_COMP -DCAM"
236	>	DEFINES="$DEFINES -DCAM"
237		fi
238	<	;;
239	<	FreeBSD*)
240	<	dnl Check for the SCSI library
241	<	AC_CHECK_LIB(scsi, scsi_open, HAVE_LIBSCSI=yes, HAVE_LIBSCSI=no)
242	<	if [[ "x$HAVE_LIBSCSI" = "xno" ]]; then
243	<	AC_MSG_ERROR([Cannot find libscsi for SCSI management.])
238	>	fi
239	>	;;
240	>	freebsd*)
241	>	DEFINES="$DEFINES -DBSD_COMP"
242	>	dnl Check for the SCSI library
243	>	AC_CHECK_LIB(scsi, scsi_open, HAVE_LIBSCSI=yes, HAVE_LIBSCSI=no)
244	>	if [[ "x$HAVE_LIBSCSI" = "xno" ]]; then
245	>	AC_MSG_WARN([Cannot find libscsi for SCSI management, disabling SCSI support.])
246	>	else
247	>	dnl Check for the sys kernel includes
248	>	AC_CHECK_HEADER(scsi.h sys/scsiio.h)
249	>	if [[ "x$ac_cv_header_scsi_h" = "xno" ]]; then
250	>	AC_MSG_WARN([Cannot find includes for the SCSI library, disabling SCSI support.])
251		else
252	<	dnl Check for the sys kernel includes
148	<	AC_CHECK_HEADER(scsi.h sys/scsiio.h)
149	<	if [[ "x$ac_cv_header_scsi_h" = "xno" ]]; then
150	<	AC_MSG_ERROR([Cannot find includes for the SCSI library.])
151	<	fi
152	<	SYSSRCS="../dummy/ether_dummy.cpp FreeBSD/scsi_freebsd.cpp ../dummy/audio_dummy.cpp"
252	>	SCSISRC=FreeBSD/scsi_freebsd.cpp
253		LIBS="$LIBS -lscsi"
154	–	DEFINES="$DEFINES -DBSD_COMP"
254		fi
255	<	;;
256	<	SunOS*)
257	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp Solaris/audio_solaris.cpp"
258	<	DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
259	<	;;
260	<	IRIX*)
261	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp ../dummy/audio_dummy.cpp Irix/unaligned.c"
262	<	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200"
263	<	LIBS="$LIBS -lm"
255	>	fi
256	>	;;
257	>	netbsd*)
258	>	CAN_NATIVE_M68K=yes
259	>	;;
260	>	solaris*)
261	>	AUDIOSRC=Solaris/audio_solaris.cpp
262	>	DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
263	>	;;
264	>	irix*)
265	>	AUDIOSRC=Irix/audio_irix.cpp
266	>	EXTRASYSSRCS=Irix/unaligned.c
267	>	dnl IRIX headers work fine, but somehow don't define or use "STDC_HEADERS"
268	>	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200 -DSTDC_HEADERS"
269	>	LIBS="$LIBS -laudio"
270	>	;;
271	>	esac
272	>
273	>	dnl Use 68k CPU natively?
274	>	WANT_NATIVE_M68K=no
275	>	if [[ "x$HAVE_M68K" = "xyes" -a "x$CAN_NATIVE_M68K" = "xyes" ]]; then
276	>	AC_DEFINE(ENABLE_NATIVE_M68K)
277	>	WANT_NATIVE_M68K=yes
278	>	fi
279	>
280	>	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
281	>	dnl Serial, ethernet and audio support needs pthreads
282	>	AC_MSG_WARN([You don't have pthreads, disabling serial, ethernet and audio support.])
283	>	SERIALSRC=../dummy/serial_dummy.cpp
284	>	ETHERSRC=../dummy/ether_dummy.cpp
285	>	AUDIOSRC=../dummy/audio_dummy.cpp
286	>	fi
287	>	SYSSRCS="$SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
288	>
289	>	dnl Define a macro that translates a yesno-variable into a C macro definition
290	>	dnl to be put into the config.h file
291	>	dnl $1 -- the macro to define
292	>	dnl $2 -- the value to translate
293	>	AC_DEFUN(AC_TRANSLATE_DEFINE, [
294	>	if [[ "x$2" = "xyes" ]]; then
295	>	AC_DEFINE($1)
296	>	fi
297	>	])
298	>
299	>	dnl Check if we can mmap 0x2000 bytes from 0x0000
300	>	AC_CACHE_CHECK("whether we can map Low Memory area 0x0000-0x2000",
301	>	ac_cv_can_map_lm, [
302	>	AC_LANG_SAVE
303	>	AC_LANG_CPLUSPLUS
304	>	AC_TRY_RUN([
305	>	#include <unistd.h>
306	>	#include <fcntl.h>
307	>	#include <sys/mman.h>
308	>
309	>	int main()
310	>	{ int zero_fd; char * lm;
311	>	if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
312	>	if ((lm = (char *)mmap((caddr_t)0x0000, 0x2000, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_PRIVATE, zero_fd, 0)) == MAP_FAILED) exit(1);
313	>	lm[0] = 0x12;
314	>	munmap(lm, 0x2000);
315	>	close(zero_fd);
316	>	exit(0);
317	>	}
318	>	],
319	>	[ac_cv_can_map_lm=yes],
320	>	[ac_cv_can_map_lm=no]
321	>	)
322	>	AC_LANG_RESTORE
323	>	]
324	>	)
325	>
326	>	dnl Check if extended signals are supported.
327	>	AC_CACHE_CHECK("whether your system supports extended signal handlers",
328	>	ac_cv_have_extended_signals, [
329	>	AC_LANG_SAVE
330	>	AC_LANG_CPLUSPLUS
331	>	AC_TRY_RUN([
332	>	#include <unistd.h>
333	>	#include <stdlib.h>
334	>	#include <signal.h>
335	>	#include <fcntl.h>
336	>	#include <sys/mman.h>
337	>
338	>	static volatile caddr_t mem = 0;
339	>	static int zero_fd = -1;
340	>
341	>	static RETSIGTYPE segfault_handler(int, siginfo_t * sip, void *)
342	>	{ if ((caddr_t)(sip->si_addr) != mem) exit(1);
343	>	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
344	>
345	>	int main()
346	>	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
347	>	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
348	>	struct sigaction sa; sa.sa_sigaction = segfault_handler; sa.sa_flags = SA_SIGINFO;
349	>	sigaction(SIGSEGV, &sa, 0);
350	>	mem[0] = 0;
351	>	exit(1); // should not be reached
352	>	}
353	>	],
354	>	[ac_cv_have_extended_signals=yes],
355	>	[ac_cv_have_extended_signals=no]
356	>	)
357	>	AC_LANG_RESTORE
358	>	]
359	>	)
360	>	AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals")
361	>
362	>	dnl Otherwise, check for subterfuges.
363	>	if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
364	>	case "$target_os" in
365	>	linux*)
366	>	if [[ "x$HAVE_I386" = "xyes" ]]; then
367	>	AC_CACHE_CHECK("whether we then have a subterfuge for your system",
368	>	ac_cv_have_sigcontext_hack, [
369	>	AC_LANG_SAVE
370	>	AC_LANG_CPLUSPLUS
371	>	AC_TRY_RUN([
372	>	#include <unistd.h>
373	>	#include <signal.h>
374	>	#include <fcntl.h>
375	>	#include <sys/mman.h>
376	>
377	>	static volatile caddr_t mem = 0;
378	>	static int zero_fd = -1;
379	>
380	>	static RETSIGTYPE segfault_handler(int, struct sigcontext scs)
381	>	{ if ((caddr_t)(scs.cr2) != mem) exit(1);
382	>	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
383	>
384	>	int main()
385	>	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
386	>	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
387	>	struct sigaction sa; sa.sa_flags = 0;
388	>	sa.sa_handler = (RETSIGTYPE (*)(int))segfault_handler;
389	>	sigaction(SIGSEGV, &sa, 0);
390	>	mem[0] = 0;
391	>	exit(1); // should not be reached
392	>	}
393	>	],
394	>	[ac_cv_have_sigcontext_hack=yes],
395	>	[ac_cv_have_sigcontext_hack=no]
396	>	)
397	>	AC_LANG_RESTORE
398	>	])
399	>	AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, $ac_cv_have_sigcontext_hack)
400	>	elif [[ "x$HAVE_POWERPC" = "xyes" ]]; then
401	>	AC_CACHE_CHECK("whether we then have a subterfuge for your system",
402	>	ac_cv_have_sigcontext_hack, [
403	>	AC_LANG_SAVE
404	>	AC_LANG_CPLUSPLUS
405	>	AC_TRY_RUN([
406	>	#include <unistd.h>
407	>	#include <signal.h>
408	>	#include <fcntl.h>
409	>	#include <sys/mman.h>
410	>
411	>	static volatile caddr_t mem = 0;
412	>	static int zero_fd = -1;
413	>
414	>	static RETSIGTYPE segfault_handler(int, struct sigcontext_struct *scs)
415	>	{ if ((caddr_t)(scs->regs->dar) != mem) exit(1);
416	>	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
417	>
418	>	int main()
419	>	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
420	>	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
421	>	struct sigaction sa; sa.sa_flags = 0;
422	>	sa.sa_handler = (RETSIGTYPE (*)(int))segfault_handler;
423	>	sigaction(SIGSEGV, &sa, 0);
424	>	mem[0] = 0;
425	>	exit(1); // should not be reached
426	>	}
427	>	],
428	>	[ac_cv_have_sigcontext_hack=yes],
429	>	[ac_cv_have_sigcontext_hack=no]
430	>	)
431	>	AC_LANG_RESTORE
432	>	])
433	>	AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, $ac_cv_have_sigcontext_hack)
434	>	fi
435	>	;;
436	>	netbsd*)
437	>	if [[ "x$HAVE_M68K" = "xyes" ]]; then
438	>	AC_CACHE_CHECK("whether we then have a subterfuge for your system",
439	>	ac_cv_have_sigcontext_hack, [
440	>	AC_LANG_SAVE
441	>	AC_LANG_CPLUSPLUS
442	>	AC_TRY_RUN([
443	>	#include <unistd.h>
444	>	#include <signal.h>
445	>	#include <fcntl.h>
446	>	#include <sys/mman.h>
447	>
448	>	static volatile caddr_t mem = 0;
449	>	static int zero_fd = -1;
450	>
451	>	static RETSIGTYPE segfault_handler(int, int code)
452	>	{ if ((caddr_t)code != mem) exit(1);
453	>	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
454	>
455	>	int main()
456	>	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
457	>	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
458	>	struct sigaction sa; sa.sa_flags = 0;
459	>	sa.sa_handler = (RETSIGTYPE (*)(int))segfault_handler;
460	>	sigaction(SIGSEGV, &sa, 0);
461	>	mem[0] = 0;
462	>	exit(1); // should not be reached
463	>	}
464	>	],
465	>	[ac_cv_have_sigcontext_hack=yes],
466	>	[ac_cv_have_sigcontext_hack=no]
467	>	)
468	>	AC_LANG_RESTORE
469	>	])
470	>	AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, $ac_cv_have_sigcontext_hack)
471	>	fi
472		;;
473		esac
167	–	if [[ "x$WANT_UI" = "xyes" ]]; then
168	–	SYSSRCS="$SYSSRCS prefs_editor_gtk.cpp"
169	–	else
170	–	SYSSRCS="$SYSSRCS ../dummy/prefs_editor_dummy.cpp"
171	–	fi
474		fi
475	<	if [[ "x$SEMSRCS" != "x" ]]; then
476	<	SYSSRCS="$SYSSRCS $SEMSRCS"
475	>
476	>	dnl Can we do Video on SEGV Signals ?
477	>	CAN_VOSF=no
478	>	if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
479	>	CAN_VOSF=yes
480		fi
481
482	<	dnl Defaults for UAE CPU.
483	<	CPUINCLUDES="-I../uae_cpu"
484	<	CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp ../uae_cpu/fpp.cpp cpustbl.cpp cpudefs.cpp"
482	>	dnl Determine the addressing mode to use
483	>	if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
484	>	ADDRESSING_MODE="real"
485	>	else
486	>	ADDRESSING_MODE=""
487	>	AC_MSG_CHECKING([for the addressing mode to use])
488	>	for am in $ADDRESSING_TEST_ORDER; do
489	>	case $am in
490	>	real)
491	>	dnl Requires ability to mmap() Low Memory globals
492	>	if [[ "x$ac_cv_can_map_lm" = "xno" ]]; then
493	>	continue
494	>	fi
495	>	dnl Requires VOSF screen updates
496	>	if [[ "x$CAN_VOSF" = "xno" ]]; then
497	>	continue
498	>	fi
499	>	dnl Real addressing will probably work.
500	>	ADDRESSING_MODE="real"
501	>	WANT_VOSF=yes dnl we can use VOSF and we need it actually
502	>	DEFINES="$DEFINES -DREAL_ADDRESSING"
503	>	break
504	>	;;
505	>	direct)
506	>	dnl Requires VOSF screen updates
507	>	if [[ "x$CAN_VOSF" = "xyes" ]]; then
508	>	ADDRESSING_MODE="direct"
509	>	WANT_VOSF=yes dnl we can use VOSF and we need it actually
510	>	DEFINES="$DEFINES -DDIRECT_ADDRESSING"
511	>	break
512	>	fi
513	>	;;
514	>	banks)
515	>	dnl Default addressing mode
516	>	ADDRESSING_MODE="memory banks"
517	>	break
518	>	;;
519	>	*)
520	>	AC_MSG_ERROR([Internal configure.in script error for $am addressing mode])
521	>	esac
522	>	done
523	>	AC_MSG_RESULT($ADDRESSING_MODE)
524	>	if [[ "x$ADDRESSING_MODE" = "x" ]]; then
525	>	AC_MSG_WARN([Sorry, no suitable addressing mode in $ADDRESSING_TEST_ORDER])
526	>	ADDRESSING_MODE="memory banks"
527	>	fi
528	>	fi
529
530	<	dnl Check for i386.
531	<	HAVE_I386=no
532	<	AC_MSG_CHECKING(for x86 target CPU)
533	<	AC_EGREP_CPP(yes,
534	<	[
535	<	#ifdef __i386__
187	<	yes
188	<	#endif
189	<	], [AC_MSG_RESULT(yes); HAVE_I386=yes], AC_MSG_RESULT(no))
530	>	dnl Enable VOSF screen updates with this feature is requested and feasible
531	>	if [[ "x$WANT_VOSF" = "xyes" -a "x$CAN_VOSF" = "xyes" ]]; then
532	>	AC_DEFINE(ENABLE_VOSF)
533	>	else
534	>	WANT_VOSF=no
535	>	fi
536
537	<	dnl Check for GAS
537	>	dnl Check for GAS.
538		HAVE_GAS=no
539		AC_MSG_CHECKING(for GAS .p2align feature)
540		cat >conftest.S << EOF
#	Line 198 | Line 544 | EOF
544		if $CC conftest.S -c -o conftest.o >/dev/null 2>&1 ; then HAVE_GAS=yes; fi
545		AC_MSG_RESULT($HAVE_GAS)
546
547	<	dnl Check for GCC 2.7 or higher
547	>	dnl Check for GCC 2.7 or higher.
548		HAVE_GCC27=no
549		AC_MSG_CHECKING(for GCC 2.7 or higher)
550		AC_EGREP_CPP(yes,
#	Line 207 | Line 553 | AC_EGREP_CPP(yes,
553		#endif
554		], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
555
556	<	dnl Set "-fomit-frame-pointer" on GCC
557	<	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
556	>	dnl Set "-fomit-frame-pointer" on i386 GCC 2.7 or higher.
557	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
558		CFLAGS="$CFLAGS -fomit-frame-pointer"
559		CXXFLAGS="$CXXFLAGS -fomit-frame-pointer"
560		fi
561
562	<	dnl Select appropriate CPU source and REGPARAM define
562	>	dnl Select appropriate CPU source and REGPARAM define.
563	>	ASM_OPTIMIZATIONS=none
564	>	CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
565	>	FPUSRCS="../uae_cpu/fpp.cpp"
566		if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
567	+	dnl i386 CPU
568		DEFINES="$DEFINES -DREGPARAM=\"__attribute__((regparm(3)))\""
569		if [[ "x$HAVE_GAS" = "xyes" ]]; then
570	<	DEFINES="$DEFINES -DX86_ASSEMBLY"
571	<	CPUSRCS="$CPUSRCS cpufast.s"
572	<	else
573	<	CPUSRCS="$CPUSRCS cpuemu.cpp"
570	>	ASM_OPTIMIZATIONS=i386
571	>	DEFINES="$DEFINES -DX86_ASSEMBLY -DUNALIGNED_PROFITABLE -DOPTIMIZED_FLAGS"
572	>	CPUSRCS="../uae_cpu/compiler.cpp cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s"
573	>	FPUSRCS="../uae_cpu/fpu_x86.cpp"
574		fi
575	<	else
576	<	CPUSRCS="$CPUSRCS cpuemu.cpp"
575	>	elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
576	>	dnl SPARC CPU
577	>	case "$target_os" in
578	>	solaris*)
579	>	AC_MSG_CHECKING(SPARC CPU architecture)
580	>	SPARC_TYPE=`Solaris/which_sparc`
581	>	AC_MSG_RESULT($SPARC_TYPE)
582	>	case "$SPARC_TYPE" in
583	>	SPARC_V8)
584	>	ASM_OPTIMIZATIONS="SPARC V8 architecture"
585	>	DEFINES="$DEFINES -DSPARC_V8_ASSEMBLY" dnl -DOPTIMIZED_FLAGS"
586	>	CFLAGS="$CFLAGS -Wa,-Av8"
587	>	CXXFLAGS="$CXXFLAGS -Wa,-Av8"
588	>	;;
589	>	SPARC_V9)
590	>	ASM_OPTIMIZATIONS="SPARC V9 architecture"
591	>	DEFINES="$DEFINES -DSPARC_V9_ASSEMBLY" dnl -DOPTIMIZED_FLAGS"
592	>	CFLAGS="$CFLAGS -Wa,-Av9"
593	>	CXXFLAGS="$CXXFLAGS -Wa,-Av9"
594	>	;;
595	>	esac
596	>	;;
597	>	esac
598	>	elif [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
599	>	dnl Native m68k, no emulation
600	>	CPUINCLUDES="-I../native_cpu"
601	>	CPUSRCS="asm_support.s"
602	>	fi
603	>
604	>	dnl UAE CPU sources for all non-m68k-native architectures.
605	>	if [[ "x$WANT_NATIVE_M68K" = "xno" ]]; then
606	>	CPUINCLUDES="-I../uae_cpu"
607	>	CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp $FPUSRCS cpustbl.cpp cpudefs.cpp $CPUSRCS"
608		fi
609
610	<	dnl Generate Makefile
610	>	dnl Remove the "-g" option if set for GCC.
611	>	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
612	>	dnl gb-- Probably not the cleanest way to take
613	>	CFLAGS=`echo $CFLAGS | sed -e 's/ -g / /;s/^-g / /;s/ -g$/ /;s/^-g$//'`
614	>	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/ -g / /;s/^-g / /;s/ -g$/ /;s/^-g$//'`
615	>	fi
616	>
617	>	dnl Generate Makefile.
618		AC_SUBST(DEFINES)
231	–	AC_SUBST(STATICLIBS)
619		AC_SUBST(SYSSRCS)
620		AC_SUBST(CPUINCLUDES)
621		AC_SUBST(CPUSRCS)
622		AC_OUTPUT(Makefile)
623	<	echo "Configuration done. Now type \"make\"."
623	>
624	>	dnl Print summary.
625	>	echo
626	>	echo Basilisk II configuration summary:
627	>	echo
628	>	echo XFree86 DGA support .............. : $WANT_XF86_DGA
629	>	echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
630	>	echo fbdev DGA support ................ : $WANT_FBDEV_DGA
631	>	echo Enable video on SEGV signals ..... : $WANT_VOSF
632	>	echo ESD sound support ................ : $WANT_ESD
633	>	echo GTK user interface ............... : $WANT_GTK
634	>	echo mon debugger support ............. : $WANT_MON
635	>	echo Running m68k code natively ....... : $WANT_NATIVE_M68K
636	>	echo Assembly optimizations ........... : $ASM_OPTIMIZATIONS
637	>	echo Addressing mode .................. : $ADDRESSING_MODE
638	>	echo
639	>	echo "Configuration done. Now type \"make\" (or \"gmake\")."

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