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

Comparing BasiliskII/src/Unix/configure.in (file contents):
Revision 1.3 by cebix, 1999-10-05T15:29:04Z vs.
Revision 1.38 by cebix, 2001-03-29T14:20:53Z

#	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 FPU emulation core.
15	>	AC_ARG_ENABLE(fpe,
16	>	[  --enable-fpe=which      specify which fpu emulator to use [default=opt]],
17	>	[ case "$enableval" in
18	>	default)    FPE_CORE="default";; dnl fpu_x86.cpp if i386 architecture, fpu_uae.cpp otherwise
19	>	uae)            FPE_CORE="uae";;
20	>	*)                      AC_MSG_ERROR([--enable-fpe takes only one of the following values: default, uae]);;
21	>	esac
22	>	],
23	>	[ FPE_CORE="default"
24	>	])
25	>
26	>	dnl Addressing modes.
27	>	AC_ARG_ENABLE(addressing,
28	>	[  --enable-addressing=AM  specify the addressing mode to use [default=fastest]],
29	>	[ case "$enableval" in
30	>	real)       ADDRESSING_TEST_ORDER="real";;
31	>	direct)     ADDRESSING_TEST_ORDER="direct";;
32	>	banks)      ADDRESSING_TEST_ORDER="banks";;
33	>	fastest)ADDRESSING_TEST_ORDER="direct banks";;
34	>	*)          AC_MSG_ERROR([--enable-addressing takes only one of the following values: fastest, real, direct, banks]);;
35	>	esac
36	>	],
37	>	[ ADDRESSING_TEST_ORDER="direct banks"
38	>	])
39	>
40	>	dnl External packages.
41	>	AC_ARG_WITH(esd,             [  --with-esd              support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes])
42	>	AC_ARG_WITH(gtk,             [  --with-gtk              use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes])
43	>	AC_ARG_WITH(mon,             [  --with-mon              use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes])
44	>
45	>	dnl Canonical system information.
46	>	AC_CANONICAL_HOST
47	>	AC_CANONICAL_TARGET
48	>
49	>	dnl Target OS type (target is host if not cross-compiling).
50	>	case "$target_os" in
51	>	linux*)       OS_TYPE=linux;;
52	>	netbsd*)      OS_TYPE=netbsd;;
53	>	freebsd*)     OS_TYPE=freebsd;;
54	>	solaris*)     OS_TYPE=solaris;;
55	>	*)            OS_TYPE=`echo $target_os | sed -e 's/-/_/' | sed -e 's/\./_/'`;;
56	>	esac
57	>	DEFINES="$DEFINES -DOS_$OS_TYPE"
58	>
59	>	dnl Target CPU type.
60	>	HAVE_I386=no
61	>	HAVE_M68K=no
62	>	HAVE_SPARC=no
63	>	HAVE_POWERPC=no
64	>	case "$target_cpu" in
65	>	i386* | i486* | i586* | i686* | i786* ) CPU_TYPE=i386 HAVE_I386=yes;;
66	>	m68k* ) CPU_TYPE=m68k HAVE_M68K=yes;;
67	>	sparc* ) CPU_TYPE=sparc HAVE_SPARC=yes;;
68	>	powerpc* ) CPU_TYPE=powerpc HAVE_POWERPC=yes;;
69	>	*) CPU_TYPE=`echo $target_cpu | sed -e 's/-/_/'`;;
70	>	esac
71	>	DEFINES="$DEFINES -DCPU_$CPU_TYPE"
72
73		dnl Checks for programs.
74		AC_PROG_CC
75	+	AC_PROG_CC_C_O
76	+	AC_PROG_CPP
77		AC_PROG_CXX
78		AC_PROG_MAKE_SET
79		AC_PROG_INSTALL
80
81	+	dnl We use mon if possible.
82	+	MONSRCS=
83	+	if [[ "x$WANT_MON" = "xyes" ]]; then
84	+	AC_MSG_CHECKING(for mon)
85	+	mon_srcdir=../../../mon/src
86	+	if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
87	+	AC_MSG_RESULT(yes)
88	+	AC_DEFINE(ENABLE_MON)
89	+	MONSRCS="$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 $mon_srcdir/disass/m68k-opc.c"
90	+	CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass"
91	+	AC_CHECK_LIB(readline, readline)
92	+	AC_CHECK_LIB(termcap, tputs)
93	+	AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
94	+	else
95	+	AC_MSG_RESULT(no)
96	+	AC_MSG_WARN([Could not find mon, ignoring --with-mon.])
97	+	WANT_MON=no
98	+	fi
99	+	fi
100	+
101		dnl Checks for libraries.
102	+	AC_CHECK_LIB(posix4, sem_init)
103	+
104	+	dnl We need X11.
105		AC_PATH_XTRA
106		if [[ "x$no_x" = "xyes" ]]; then
107		AC_MSG_ERROR([You need X11 to run Basilisk II.])
108		fi
25	–
109		CFLAGS="$CFLAGS $X_CFLAGS"
110		CXXFLAGS="$CXXFLAGS $X_CFLAGS"
111		LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
29	–	STATICLIBS=
112
113	<	dnl We need pthreads.
114	<	AC_CHECK_LIB(pthread, pthread_create, HAVE_PTHREADS=yes, HAVE_PTHREADS=no)
115	<	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
116	<	dnl Check even the libc_r (FreeBSD)
117	<	AC_CHECK_LIB(c_r, pthread_create, HAVE_PTHREADS=yes, HAVE_PTHREADS=no)
118	<	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
119	<	AC_MSG_ERROR([You need libpthreads to run Basilisk II.])
120	<	else
121	<	LIBS="$LIBS -lc_r"
122	<	fi
123	<	else
42	<	LIBS="$LIBS -lpthread"
113	>	dnl We want pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL.
114	>	HAVE_PTHREADS=yes
115	>	AC_CHECK_LIB(pthread, pthread_create, , [
116	>	AC_CHECK_LIB(c_r, pthread_create, , [
117	>	AC_CHECK_LIB(PTL, pthread_create, , [
118	>	HAVE_PTHREADS=no
119	>	])
120	>	])
121	>	])
122	>	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
123	>	AC_DEFINE(HAVE_PTHREADS)
124		fi
125		AC_CHECK_FUNCS(pthread_cancel)
126
127	<	dnl We use DGA if possible.
128	<	if [[ "x$WANT_DGA" = "xyes" ]]; then
129	<	AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, HAVE_DGA=yes, HAVE_DGA=no)
130	<	if [[ "x$HAVE_DGA" = "xno" ]]; then
131	<	AC_MSG_WARN([Could not find DGA extension, ignoring --enable-dga.])
51	<	else
52	<	DEFINES="$DEFINES -DENABLE_DGA=1"
53	<	LIBS="$LIBS -lXxf86dga"
127	>	dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
128	>	SEMSRC=
129	>	AC_CHECK_FUNCS(sem_init, , [
130	>	if test "x$HAVE_PTHREADS" = "xyes"; then
131	>	SEMSRC=posix_sem.cpp
132		fi
133	+	])
134	+
135	+	dnl We use DGA (XFree86 or fbdev) if possible.
136	+	if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
137	+	AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, [
138	+	AC_DEFINE(ENABLE_XF86_DGA)
139	+	LIBS="$LIBS -lXxf86dga"
140	+	if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
141	+	AC_MSG_WARN([Cannot have both --enable-xf86-dga and --enable-fbdev-dga, ignoring --enable-fbdev-dga.])
142	+	WANT_FBDEV_DGA=no
143	+	fi
144	+	], [
145	+	AC_MSG_WARN([Could not find XFree86 DGA extension, ignoring --enable-xf86-dga.])
146	+	WANT_XF86_DGA=no
147	+	])
148	+	fi
149	+	if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
150	+	AC_DEFINE(ENABLE_FBDEV_DGA)
151	+	fi
152	+
153	+	dnl We use XFree86 VidMode if possible.
154	+	if [[ "x$WANT_XF86_VIDMODE" = "xyes" ]]; then
155	+	AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryExtension, [
156	+	AC_DEFINE(ENABLE_XF86_VIDMODE)
157	+	LIBS="$LIBS -lXxf86vm"
158	+	], [
159	+	AC_MSG_WARN([Could not find XFree86 VidMode extension, ignoring --enable-xf86-vidmode.])
160	+	WANT_XF86_VIDMODE=no
161	+	])
162		fi
163
164		dnl We use GTK+ if possible.
165	<	if [[ "x$WANT_UI" = "xyes" ]]; then
166	<	AM_PATH_GTK(1.2.0)
167	<	if [[ "x$no_gtk" = "xyes" ]]; then
168	<	echo "Did not find gtk+, disabling user interface."
169	<	WANT_UI=no
170	<	GTK_CFLAGS=
171	<	GTK_LIBS=
172	<	else
173	<	DEFINES="$DEFINES -DENABLE_GTK=1"
174	<	fi
175	<	CFLAGS="$CFLAGS $GTK_CFLAGS"
176	<	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
177	<	LIBS="$LIBS $GTK_LIBS"
178	<	fi
179	<
180	<	dnl We need POSIX.4 semaphores (and other POSIX.4 blessings).
181	<	SEMSRCS=
182	<	AC_CHECK_FUNCS(sem_init)
183	<	if [[ "x$ac_cv_func_sem_init" = "xno" ]]; then
184	<	AC_CHECK_LIB(posix4, sem_init, HAVE_LIBPOSIX4=yes, HAVE_LIBPOSIX4=no)
185	<	if [[ "x$HAVE_LIBPOSIX4" = "xno" ]]; then
186	<	dnl Checks for the existance of semget
187	<	AC_CHECK_FUNCS(semget)
188	<	if [[ "x$ac_cv_func_semget" = "xno" ]]; then
189	<	AC_MSG_ERROR([You need POSIX.4 semaphores to run Basilisk II.])
83	<	else
84	<	SEMSRCS="posix_sem.cpp"
85	<	fi
86	<	else
87	<	LIBS="$LIBS -lposix4"
88	<	fi
165	>	UISRCS=../dummy/prefs_editor_dummy.cpp
166	>	if [[ "x$WANT_GTK" = "xyes" ]]; then
167	>	AM_PATH_GTK(1.2.0, [
168	>	AC_DEFINE(ENABLE_GTK)
169	>	CFLAGS="$CFLAGS $GTK_CFLAGS"
170	>	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
171	>	LIBS="$LIBS $GTK_LIBS"
172	>	UISRCS=prefs_editor_gtk.cpp
173	>	], [
174	>	AC_MSG_WARN([Could not find GTK+, disabling user interface.])
175	>	WANT_GTK=no
176	>	])
177	>	fi
178	>
179	>	dnl We use ESD if possible.
180	>	if [[ "x$WANT_ESD" = "xyes" ]]; then
181	>	AM_PATH_ESD(0.2.8, [
182	>	AC_DEFINE(ENABLE_ESD)
183	>	CFLAGS="$CFLAGS $ESD_CFLAGS"
184	>	CXXFLAGS="$CXXFLAGS $ESD_CFLAGS"
185	>	LIBS="$LIBS $ESD_LIBS"
186	>	], [
187	>	AC_MSG_WARN([Could not find ESD, disabling ESD support.])
188	>	WANT_ESD=no
189	>	])
190		fi
191
192		dnl Checks for header files.
#	Line 100 | Line 201 | AC_CHECK_SIZEOF(short, 2)
201		AC_CHECK_SIZEOF(int, 4)
202		AC_CHECK_SIZEOF(long, 4)
203		AC_CHECK_SIZEOF(long long, 8)
204	+	AC_CHECK_SIZEOF(void *, 4)
205		AC_TYPE_OFF_T
206		AC_CHECK_TYPE(loff_t, off_t)
207		AC_TYPE_SIZE_T
208	+	AC_TYPE_SIGNAL
209		AC_HEADER_TIME
210		AC_STRUCT_TM
211
212		dnl Checks for library functions.
213		AC_CHECK_FUNCS(strdup cfmakeraw)
214	<	AC_CHECK_FUNCS(nanosleep clock_gettime timer_create)
214	>	AC_CHECK_FUNCS(clock_gettime timer_create)
215
216		dnl Select system-dependant source files.
217	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp ../dummy/audio_dummy.cpp"
218	<	if MACHINE=`uname -a 2>/dev/null`; then
219	<	case "$MACHINE" in
220	<	Linux*)
221	<	SYSSRCS="Linux/ether_linux.cpp Linux/scsi_linux.cpp Linux/audio_linux.cpp"
222	<	;;
223	<	FreeBSD*3.*)
224	<	dnl Check for the CAM library
225	<	AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
226	<	if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
227	<	AC_MSG_ERROR([Cannot find libcam for SCSI management.])
217	>	SERIALSRC=serial_unix.cpp
218	>	ETHERSRC=../dummy/ether_dummy.cpp
219	>	SCSISRC=../dummy/scsi_dummy.cpp
220	>	AUDIOSRC=../dummy/audio_dummy.cpp
221	>	EXTRASYSSRCS=
222	>	CAN_NATIVE_M68K=no
223	>	case "$target_os" in
224	>	linux*)
225	>	ETHERSRC=ether_unix.cpp
226	>	AUDIOSRC=audio_oss_esd.cpp
227	>	SCSISRC=Linux/scsi_linux.cpp
228	>	;;
229	>	freebsd*)
230	>	ETHERSRC=ether_unix.cpp
231	>	AUDIOSRC=audio_oss_esd.cpp
232	>	DEFINES="$DEFINES -DBSD_COMP"
233	>	CXXFLAGS="$CXXFLAGS -fpermissive"
234	>	dnl Check for the CAM library
235	>	AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
236	>	if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
237	>	AC_MSG_WARN([Cannot find libcam for SCSI management, disabling SCSI support.])
238	>	else
239	>	dnl Check for the sys kernel includes
240	>	AC_CHECK_HEADER(camlib.h)
241	>	if [[ "x$ac_cv_header_camlib_h" = "xno" ]]; then
242	>	dnl In this case I should fix this thing including a "patch"
243	>	dnl to access directly to the functions in the kernel :) --Orlando
244	>	AC_MSG_WARN([Cannot find includes for CAM library, disabling SCSI support.])
245		else
246	<	dnl Check for the sys kernel includes
127	<	AC_CHECK_HEADER(/sys/cam/cam.h)
128	<	if [[ "x$ac_cv_header__sys_cam_cam_h" = "xno" ]]; then
129	<	dnl In this case I should fix this thing including a "patch"
130	<	dnl to access directly to the functions in the kernel :) --Orlando
131	<	AC_MSG_ERROR([Cannot find kernel includes for CAM library.])
132	<	fi
133	<	SYSSRCS="../dummy/ether_dummy.cpp FreeBSD/scsi_freebsd.cpp ../dummy/audio_dummy.cpp"
134	<	CXXFLAGS="$CXXFLAGS -I/sys"
135	<	CFLAGS="$CFLAGS -I/sys"
246	>	SCSISRC=FreeBSD/scsi_freebsd.cpp
247		LIBS="$LIBS -lcam"
248	<	DEFINES="$DEFINES -DBSD_COMP -DCAM"
248	>	DEFINES="$DEFINES -DCAM"
249		fi
250	<	;;
251	<	FreeBSD*)
252	<	dnl Check for the SCSI library
253	<	AC_CHECK_LIB(scsi, scsi_open, HAVE_LIBSCSI=yes, HAVE_LIBSCSI=no)
254	<	if [[ "x$HAVE_LIBSCSI" = "xno" ]]; then
255	<	AC_MSG_ERROR([Cannot find libscsi for SCSI management.])
256	<	else
257	<	dnl Check for the sys kernel includes
258	<	AC_CHECK_HEADER(scsi.h sys/scsiio.h)
259	<	if [[ "x$ac_cv_header_scsi_h" = "xno" ]]; then
260	<	AC_MSG_ERROR([Cannot find includes for the SCSI library.])
261	<	fi
262	<	SYSSRCS="../dummy/ether_dummy.cpp FreeBSD/scsi_freebsd.cpp ../dummy/audio_dummy.cpp"
263	<	LIBS="$LIBS -lscsi"
264	<	DEFINES="$DEFINES -DBSD_COMP"
250	>	fi
251	>	;;
252	>	netbsd*)
253	>	CAN_NATIVE_M68K=yes
254	>	;;
255	>	solaris*)
256	>	AUDIOSRC=Solaris/audio_solaris.cpp
257	>	DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
258	>	;;
259	>	irix*)
260	>	AUDIOSRC=Irix/audio_irix.cpp
261	>	EXTRASYSSRCS=Irix/unaligned.c
262	>	dnl IRIX headers work fine, but somehow don't define or use "STDC_HEADERS"
263	>	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200 -DSTDC_HEADERS"
264	>	LIBS="$LIBS -laudio"
265	>
266	>	dnl Check if our compiler supports -Ofast (MIPSPro)
267	>	HAVE_OFAST=no
268	>	ocflags="$CFLAGS"
269	>	CFLAGS=`echo $CFLAGS | sed -e 's/ -g / -Ofast /;s/^-g /-Ofast /;s/-g$/ -Ofast/;s/^-g$/-Ofast/'`
270	>	AC_MSG_CHECKING(if "-Ofast" works)
271	>	dnl Do a test compile of an empty function
272	>	AC_TRY_COMPILE(,, [AC_MSG_RESULT(yes); HAVE_OFAST=yes], AC_MSG_RESULT(no))
273	>	CFLAGS="$ocflags"
274	>
275	>	;;
276	>	esac
277	>
278	>	dnl Use 68k CPU natively?
279	>	WANT_NATIVE_M68K=no
280	>	if [[ "x$HAVE_M68K" = "xyes" -a "x$CAN_NATIVE_M68K" = "xyes" ]]; then
281	>	AC_DEFINE(ENABLE_NATIVE_M68K)
282	>	WANT_NATIVE_M68K=yes
283	>	fi
284	>
285	>	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
286	>	dnl Serial, ethernet and audio support needs pthreads
287	>	AC_MSG_WARN([You don't have pthreads, disabling serial, ethernet and audio support.])
288	>	SERIALSRC=../dummy/serial_dummy.cpp
289	>	ETHERSRC=../dummy/ether_dummy.cpp
290	>	AUDIOSRC=../dummy/audio_dummy.cpp
291	>	fi
292	>	SYSSRCS="$SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
293	>
294	>	dnl Define a macro that translates a yesno-variable into a C macro definition
295	>	dnl to be put into the config.h file
296	>	dnl $1 -- the macro to define
297	>	dnl $2 -- the value to translate
298	>	AC_DEFUN(AC_TRANSLATE_DEFINE, [
299	>	if [[ "x$2" = "xyes" ]]; then
300	>	AC_DEFINE($1)
301		fi
302	<	;;
303	<	SunOS*)
304	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp Solaris/audio_solaris.cpp"
305	<	DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
306	<	;;
307	<	IRIX*)
308	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp ../dummy/audio_dummy.cpp Irix/unaligned.c"
309	<	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200"
310	<	LIBS="$LIBS -lm"
302	>	])
303	>
304	>	dnl Check if we can mmap 0x2000 bytes from 0x0000
305	>	AC_CACHE_CHECK("whether we can map Low Memory area 0x0000-0x2000",
306	>	ac_cv_can_map_lm, [
307	>	AC_LANG_SAVE
308	>	AC_LANG_CPLUSPLUS
309	>	AC_TRY_RUN([
310	>	#include <unistd.h>
311	>	#include <fcntl.h>
312	>	#include <sys/mman.h>
313	>
314	>	int main()
315	>	{ int zero_fd; char * lm;
316	>	if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
317	>	if ((lm = (char *)mmap((caddr_t)0x0000, 0x2000, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_PRIVATE, zero_fd, 0)) == MAP_FAILED) exit(1);
318	>	lm[0] = 0x12;
319	>	munmap(lm, 0x2000);
320	>	close(zero_fd);
321	>	exit(0);
322	>	}
323	>	],
324	>	[ac_cv_can_map_lm=yes],
325	>	[ac_cv_can_map_lm=no]
326	>	)
327	>	AC_LANG_RESTORE
328	>	]
329	>	)
330	>
331	>	dnl Check if extended signals are supported.
332	>	AC_CACHE_CHECK("whether your system supports extended signal handlers",
333	>	ac_cv_have_extended_signals, [
334	>	AC_LANG_SAVE
335	>	AC_LANG_CPLUSPLUS
336	>	AC_TRY_RUN([
337	>	#include <unistd.h>
338	>	#include <stdlib.h>
339	>	#include <signal.h>
340	>	#include <fcntl.h>
341	>	#include <sys/mman.h>
342	>
343	>	static volatile caddr_t mem = 0;
344	>	static int zero_fd = -1;
345	>
346	>	static RETSIGTYPE segfault_handler(int, siginfo_t * sip, void *)
347	>	{ if ((caddr_t)(sip->si_addr) != mem) exit(1);
348	>	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
349	>
350	>	int main()
351	>	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
352	>	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
353	>	struct sigaction sa; sa.sa_sigaction = segfault_handler; sa.sa_flags = SA_SIGINFO;
354	>	sigaction(SIGSEGV, &sa, 0);
355	>	mem[0] = 0;
356	>	exit(1); // should not be reached
357	>	}
358	>	],
359	>	[ac_cv_have_extended_signals=yes],
360	>	[ac_cv_have_extended_signals=no]
361	>	)
362	>	AC_LANG_RESTORE
363	>	]
364	>	)
365	>	AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals")
366	>
367	>	dnl Otherwise, check for subterfuges.
368	>	if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
369	>	case "$target_os" in
370	>	linux*)
371	>	if [[ "x$HAVE_I386" = "xyes" ]]; then
372	>	AC_CACHE_CHECK("whether we then have a subterfuge for your system",
373	>	ac_cv_have_sigcontext_hack, [
374	>	AC_LANG_SAVE
375	>	AC_LANG_CPLUSPLUS
376	>	AC_TRY_RUN([
377	>	#include <unistd.h>
378	>	#include <signal.h>
379	>	#include <fcntl.h>
380	>	#include <sys/mman.h>
381	>
382	>	static volatile caddr_t mem = 0;
383	>	static int zero_fd = -1;
384	>
385	>	static RETSIGTYPE segfault_handler(int, struct sigcontext scs)
386	>	{ if ((caddr_t)(scs.cr2) != mem) exit(1);
387	>	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
388	>
389	>	int main()
390	>	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
391	>	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
392	>	struct sigaction sa; sa.sa_flags = 0;
393	>	sa.sa_handler = (RETSIGTYPE (*)(int))segfault_handler;
394	>	sigaction(SIGSEGV, &sa, 0);
395	>	mem[0] = 0;
396	>	exit(1); // should not be reached
397	>	}
398	>	],
399	>	[ac_cv_have_sigcontext_hack=yes],
400	>	[ac_cv_have_sigcontext_hack=no]
401	>	)
402	>	AC_LANG_RESTORE
403	>	])
404	>	AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, $ac_cv_have_sigcontext_hack)
405	>	elif [[ "x$HAVE_POWERPC" = "xyes" ]]; then
406	>	AC_CACHE_CHECK("whether we then have a subterfuge for your system",
407	>	ac_cv_have_sigcontext_hack, [
408	>	AC_LANG_SAVE
409	>	AC_LANG_CPLUSPLUS
410	>	AC_TRY_RUN([
411	>	#include <unistd.h>
412	>	#include <signal.h>
413	>	#include <fcntl.h>
414	>	#include <sys/mman.h>
415	>
416	>	static volatile caddr_t mem = 0;
417	>	static int zero_fd = -1;
418	>
419	>	static RETSIGTYPE segfault_handler(int, struct sigcontext_struct *scs)
420	>	{ if ((caddr_t)(scs->regs->dar) != mem) exit(1);
421	>	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
422	>
423	>	int main()
424	>	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
425	>	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
426	>	struct sigaction sa; sa.sa_flags = 0;
427	>	sa.sa_handler = (RETSIGTYPE (*)(int))segfault_handler;
428	>	sigaction(SIGSEGV, &sa, 0);
429	>	mem[0] = 0;
430	>	exit(1); // should not be reached
431	>	}
432	>	],
433	>	[ac_cv_have_sigcontext_hack=yes],
434	>	[ac_cv_have_sigcontext_hack=no]
435	>	)
436	>	AC_LANG_RESTORE
437	>	])
438	>	AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, $ac_cv_have_sigcontext_hack)
439	>	fi
440	>	;;
441	>	netbsd*)
442	>	if [[ "x$HAVE_M68K" = "xyes" ]]; then
443	>	AC_CACHE_CHECK("whether we then have a subterfuge for your system",
444	>	ac_cv_have_sigcontext_hack, [
445	>	AC_LANG_SAVE
446	>	AC_LANG_CPLUSPLUS
447	>	AC_TRY_RUN([
448	>	#include <unistd.h>
449	>	#include <signal.h>
450	>	#include <fcntl.h>
451	>	#include <sys/mman.h>
452	>
453	>	static volatile caddr_t mem = 0;
454	>	static int zero_fd = -1;
455	>
456	>	static RETSIGTYPE segfault_handler(int, int code)
457	>	{ if ((caddr_t)code != mem) exit(1);
458	>	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
459	>
460	>	int main()
461	>	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
462	>	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
463	>	struct sigaction sa; sa.sa_flags = 0;
464	>	sa.sa_handler = (RETSIGTYPE (*)(int))segfault_handler;
465	>	sigaction(SIGSEGV, &sa, 0);
466	>	mem[0] = 0;
467	>	exit(1); // should not be reached
468	>	}
469	>	],
470	>	[ac_cv_have_sigcontext_hack=yes],
471	>	[ac_cv_have_sigcontext_hack=no]
472	>	)
473	>	AC_LANG_RESTORE
474	>	])
475	>	AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, $ac_cv_have_sigcontext_hack)
476	>	fi
477		;;
478		esac
166	–	if [[ "x$WANT_UI" = "xyes" ]]; then
167	–	SYSSRCS="$SYSSRCS prefs_editor_gtk.cpp"
168	–	else
169	–	SYSSRCS="$SYSSRCS ../dummy/prefs_editor_dummy.cpp"
170	–	fi
479		fi
480	<	if [[ "x$SEMSRCS" != "x" ]]; then
481	<	SYSSRCS="$SYSSRCS $SEMSRCS"
480	>
481	>	dnl Can we do Video on SEGV Signals ?
482	>	CAN_VOSF=no
483	>	if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
484	>	CAN_VOSF=yes
485		fi
486
487	<	dnl Defaults for UAE CPU.
488	<	CPUINCLUDES="-I../uae_cpu"
489	<	CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp ../uae_cpu/fpp.cpp cpustbl.cpp cpudefs.cpp"
487	>	dnl Determine the addressing mode to use
488	>	if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
489	>	ADDRESSING_MODE="real"
490	>	else
491	>	ADDRESSING_MODE=""
492	>	AC_MSG_CHECKING([for the addressing mode to use])
493	>	for am in $ADDRESSING_TEST_ORDER; do
494	>	case $am in
495	>	real)
496	>	dnl Requires ability to mmap() Low Memory globals
497	>	if [[ "x$ac_cv_can_map_lm" = "xno" ]]; then
498	>	continue
499	>	fi
500	>	dnl Requires VOSF screen updates
501	>	if [[ "x$CAN_VOSF" = "xno" ]]; then
502	>	continue
503	>	fi
504	>	dnl Real addressing will probably work.
505	>	ADDRESSING_MODE="real"
506	>	WANT_VOSF=yes dnl we can use VOSF and we need it actually
507	>	DEFINES="$DEFINES -DREAL_ADDRESSING"
508	>	break
509	>	;;
510	>	direct)
511	>	dnl Requires VOSF screen updates
512	>	if [[ "x$CAN_VOSF" = "xyes" ]]; then
513	>	ADDRESSING_MODE="direct"
514	>	WANT_VOSF=yes dnl we can use VOSF and we need it actually
515	>	DEFINES="$DEFINES -DDIRECT_ADDRESSING"
516	>	break
517	>	fi
518	>	;;
519	>	banks)
520	>	dnl Default addressing mode
521	>	ADDRESSING_MODE="memory banks"
522	>	break
523	>	;;
524	>	*)
525	>	AC_MSG_ERROR([Internal configure.in script error for $am addressing mode])
526	>	esac
527	>	done
528	>	AC_MSG_RESULT($ADDRESSING_MODE)
529	>	if [[ "x$ADDRESSING_MODE" = "x" ]]; then
530	>	AC_MSG_WARN([Sorry, no suitable addressing mode in $ADDRESSING_TEST_ORDER])
531	>	ADDRESSING_MODE="memory banks"
532	>	fi
533	>	fi
534
535	<	dnl Check for i386.
536	<	HAVE_I386=no
537	<	AC_MSG_CHECKING(for x86 target CPU)
538	<	AC_EGREP_CPP(yes,
539	<	[
540	<	#ifdef __i386__
186	<	yes
187	<	#endif
188	<	], [AC_MSG_RESULT(yes); HAVE_I386=yes], AC_MSG_RESULT(no))
535	>	dnl Enable VOSF screen updates with this feature is requested and feasible
536	>	if [[ "x$WANT_VOSF" = "xyes" -a "x$CAN_VOSF" = "xyes" ]]; then
537	>	AC_DEFINE(ENABLE_VOSF)
538	>	else
539	>	WANT_VOSF=no
540	>	fi
541
542		dnl Check for GAS.
543		HAVE_GAS=no
#	Line 206 | Line 558 | AC_EGREP_CPP(yes,
558		#endif
559		], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
560
561	<	dnl Set "-fomit-frame-pointer" on GCC.
562	<	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
561	>	dnl Set "-fomit-frame-pointer" on i386 GCC 2.7 or higher.
562	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
563		CFLAGS="$CFLAGS -fomit-frame-pointer"
564		CXXFLAGS="$CXXFLAGS -fomit-frame-pointer"
565		fi
566
567		dnl Select appropriate CPU source and REGPARAM define.
568	<	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
568	>	ASM_OPTIMIZATIONS=none
569	>	CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
570	>	FPUSRCS="../uae_cpu/fpp.cpp"
571	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" -a "x$OS_TYPE" != "xfreebsd" ]]; then
572	>	dnl i386 CPU
573		DEFINES="$DEFINES -DREGPARAM=\"__attribute__((regparm(3)))\""
574		if [[ "x$HAVE_GAS" = "xyes" ]]; then
575	<	DEFINES="$DEFINES -DX86_ASSEMBLY"
576	<	CPUSRCS="$CPUSRCS cpufast.s"
575	>	ASM_OPTIMIZATIONS=i386
576	>	DEFINES="$DEFINES -DX86_ASSEMBLY -DUNALIGNED_PROFITABLE -DOPTIMIZED_FLAGS"
577	>	CPUSRCS="cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s"
578	>	FPUSRCS="../uae_cpu/fpu_x86.cpp"
579	>	fi
580	>	elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
581	>	dnl SPARC CPU
582	>	case "$target_os" in
583	>	solaris*)
584	>	AC_MSG_CHECKING(SPARC CPU architecture)
585	>	SPARC_TYPE=`Solaris/which_sparc`
586	>	AC_MSG_RESULT($SPARC_TYPE)
587	>	case "$SPARC_TYPE" in
588	>	SPARC_V8)
589	>	ASM_OPTIMIZATIONS="SPARC V8 architecture"
590	>	DEFINES="$DEFINES -DSPARC_V8_ASSEMBLY" dnl -DOPTIMIZED_FLAGS"
591	>	CFLAGS="$CFLAGS -Wa,-Av8"
592	>	CXXFLAGS="$CXXFLAGS -Wa,-Av8"
593	>	;;
594	>	SPARC_V9)
595	>	ASM_OPTIMIZATIONS="SPARC V9 architecture"
596	>	DEFINES="$DEFINES -DSPARC_V9_ASSEMBLY" dnl -DOPTIMIZED_FLAGS"
597	>	CFLAGS="$CFLAGS -Wa,-Av9"
598	>	CXXFLAGS="$CXXFLAGS -Wa,-Av9"
599	>	;;
600	>	esac
601	>	;;
602	>	esac
603	>	elif [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
604	>	dnl Native m68k, no emulation
605	>	CPUINCLUDES="-I../native_cpu"
606	>	CPUSRCS="asm_support.s"
607	>	fi
608	>
609	>	dnl Select appropriate FPU source.
610	>	dnl 1. Optimized X86 assembly core if target is i386 architecture
611	>	SAVED_DEFINES=$DEFINES
612	>	if [[ "x$FPE_CORE" = "xdefault" ]]; then
613	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
614	>	DEFINES="$DEFINES -DFPU_X86"
615	>	FPE_CORE_STR="i386 optimized core"
616	>	FPUSRCS="../uae_cpu/fpu/fpu_x86.cpp"
617		else
618	<	CPUSRCS="$CPUSRCS cpuemu.cpp"
618	>	FPE_CORE="uae"
619		fi
620	<	else
621	<	CPUSRCS="$CPUSRCS cpuemu.cpp"
620	>	fi
621	>
622	>	dnl 2. JIT-FPU only supports IEEE-based implementation.
623	>	if [[ "x$WANT_JIT_FPU" = "xyes" -a "x$FPE_CORE" != "xieee" ]]; then
624	>	AC_MSG_WARN([Sorry, JIT-FPU supports only the "ieee" FPE implementation])
625	>	FPE_CORE="ieee"
626	>	dnl Restore previous variables. FPE_CORE_STR and FPUSRCS are overwritten
627	>	DEFINES=$SAVED_DEFINES
628	>	fi
629	>
630	>	dnl 3. Choose either IEEE-based implementation or the old UAE core
631	>	if [[ "x$FPE_CORE" = "xieee" ]]; then
632	>	AC_CHECK_HEADERS(fenv.h)
633	>	AC_CHECK_FUNCS(feclearexcept fegetexceptflag feraiseexcept fesetexceptflag fetestexcept)
634	>	AC_CHECK_FUNCS(fegetround fesetround)
635	>	DEFINES="$DEFINES -DFPU_IEEE"
636	>	FPE_CORE_STR="ieee-based fpu core"
637	>	FPUSRCS="../uae_cpu/fpu/fpu_ieee.cpp"
638	>	elif [[ "x$FPE_CORE" = "xuae" ]]; then
639	>	DEFINES="$DEFINES -DFPU_UAE"
640	>	FPE_CORE_STR="original uae core"
641	>	FPUSRCS="../uae_cpu/fpu/fpu_uae.cpp"
642	>	fi
643	>
644	>	dnl Check for certain math functions
645	>	AC_CHECK_FUNCS(atanh)
646	>	AC_CHECK_FUNCS(isnan isinf)             dnl C99
647	>	AC_CHECK_FUNCS(isnanl isinfl)   dnl IEEE ?
648	>
649	>	dnl UAE CPU sources for all non-m68k-native architectures.
650	>	if [[ "x$WANT_NATIVE_M68K" = "xno" ]]; then
651	>	CPUINCLUDES="-I../uae_cpu"
652	>	CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp $FPUSRCS cpustbl.cpp cpudefs.cpp $CPUSRCS"
653	>	fi
654	>
655	>	dnl Remove the "-g" option if set for GCC.
656	>	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
657	>	dnl gb-- Probably not the cleanest way to take
658	>	CFLAGS=`echo $CFLAGS | sed -e 's/ -g / /;s/^-g / /;s/ -g$/ /;s/^-g$//'`
659	>	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/ -g / /;s/^-g / /;s/ -g$/ /;s/^-g$//'`
660	>	fi
661	>
662	>	dnl Or if we have -Ofast
663	>	if [[ "x$HAVE_OFAST" = "xyes" ]]; then
664	>	CFLAGS=`echo $CFLAGS | sed -e 's/ -g / -Ofast /;s/^-g /-Ofast /;s/-g$/ -Ofast/;s/^-g$/-Ofast/'`
665	>	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/ -g / -Ofast /;s/^-g /-Ofast/;s/ -g$/ -Ofast/;s/^-g$/-Ofast/'`
666	>	CXXFLAGS="-LANG:std $CXXFLAGS"
667	>	LDFLAGS="$LDFLAGS -Ofast"
668		fi
669
670		dnl Generate Makefile.
671		AC_SUBST(DEFINES)
230	–	AC_SUBST(STATICLIBS)
672		AC_SUBST(SYSSRCS)
673		AC_SUBST(CPUINCLUDES)
674		AC_SUBST(CPUSRCS)
675		AC_OUTPUT(Makefile)
676	<	echo "Configuration done. Now type \"make\"."
676	>
677	>	dnl Print summary.
678	>	echo
679	>	echo Basilisk II configuration summary:
680	>	echo
681	>	echo XFree86 DGA support .............. : $WANT_XF86_DGA
682	>	echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
683	>	echo fbdev DGA support ................ : $WANT_FBDEV_DGA
684	>	echo Enable video on SEGV signals ..... : $WANT_VOSF
685	>	echo ESD sound support ................ : $WANT_ESD
686	>	echo GTK user interface ............... : $WANT_GTK
687	>	echo mon debugger support ............. : $WANT_MON
688	>	echo Running m68k code natively ....... : $WANT_NATIVE_M68K
689	>	echo Floating-Point emulation core .... : $FPE_CORE_STR
690	>	echo Assembly optimizations ........... : $ASM_OPTIMIZATIONS
691	>	echo Addressing mode .................. : $ADDRESSING_MODE
692	>	echo
693	>	echo "Configuration done. Now type \"make\" (or \"gmake\")."

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