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

Comparing BasiliskII/src/Unix/configure.in (file contents):
Revision 1.11 by cebix, 1999-10-25T08:07:58Z vs.
Revision 1.37 by cebix, 2001-03-28T16:53:38Z

#	Line 6 | Line 6 | AC_PREREQ(2.12)
6		AC_CONFIG_HEADER(config.h)
7
8		dnl Options.
9	<	WANT_XF86_DGA=yes
10	<	WANT_FBDEV_DGA=yes
11	<	WANT_ESD=yes
12	<	WANT_UI=yes
13	<	AC_ARG_ENABLE(xf86-dga, [  --enable-xf86-dga       use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [])
14	<	AC_ARG_ENABLE(fbdev-dga, [  --enable-fbdev-dga      use direct frame buffer access via /dev/fb [default=yes]], [WANT_FBDEV_DGA=$enableval], [])
15	<	AC_ARG_ENABLE(esd, [  --enable-esd            Enlightened Sound Daemon support [default=yes]], [WANT_ESD=$enableval], [])
16	<	AC_ARG_ENABLE(ui,  [  --enable-ui             use GTK user interface [default=yes]], [WANT_UI=$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_$CPU_TYPE"
72
73		dnl Checks for programs.
74		AC_PROG_CC
75	+	AC_PROG_CC_C_O
76		AC_PROG_CPP
77		AC_PROG_CXX
78		AC_PROG_MAKE_SET
#	Line 24 | Line 80 | AC_PROG_INSTALL
80
81		dnl We use mon if possible.
82		MONSRCS=
83	<	AC_MSG_CHECKING(for mon)
84	<	if grep mon_init ../../../mon/src/mon.h >/dev/null 2>/dev/null; then
85	<	AC_MSG_RESULT(yes)
86	<	DEFINES="$DEFINES -DENABLE_MON=1"
87	<	MONSRCS="../../../mon/src/mon.cpp ../../../mon/src/mon_6502.cpp ../../../mon/src/mon_68k.cpp ../../../mon/src/mon_8080.cpp ../../../mon/src/mon_cmd.cpp ../../../mon/src/mon_ppc.cpp ../../../mon/src/mon_x86.cpp"
88	<	CXXFLAGS="$CXXFLAGS -I../../../mon/src"
89	<	else
90	<	AC_MSG_RESULT(no)
91	<	DEFINES="$DEFINES -DENABLE_MON=0"
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.
#	Line 47 | Line 110 | CFLAGS="$CFLAGS $X_CFLAGS"
110		CXXFLAGS="$CXXFLAGS $X_CFLAGS"
111		LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
112
113	<	dnl We need pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL.
113	>	dnl We want pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL.
114	>	HAVE_PTHREADS=yes
115		AC_CHECK_LIB(pthread, pthread_create, , [
116		AC_CHECK_LIB(c_r, pthread_create, , [
117		AC_CHECK_LIB(PTL, pthread_create, , [
118	<	AC_MSG_ERROR([You need pthreads to run Basilisk II.])
118	>	HAVE_PTHREADS=no
119		])
120		])
121		])
122	+	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
123	+	AC_DEFINE(HAVE_PTHREADS)
124	+	fi
125	+	AC_CHECK_FUNCS(pthread_cancel)
126
127		dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
128	<	SEMSRCS=
128	>	SEMSRC=
129		AC_CHECK_FUNCS(sem_init, , [
130	<	SEMSRCS=posix_sem.cpp
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	<	DEFINES="$DEFINES -DENABLE_XF86_DGA=1"
138	>	AC_DEFINE(ENABLE_XF86_DGA)
139		LIBS="$LIBS -lXxf86dga"
140		if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
141		AC_MSG_WARN([Cannot have both --enable-xf86-dga and --enable-fbdev-dga, ignoring --enable-fbdev-dga.])
#	Line 73 | Line 143 | if [[ "x$WANT_XF86_DGA" = "xyes" ]]; the
143		fi
144		], [
145		AC_MSG_WARN([Could not find XFree86 DGA extension, ignoring --enable-xf86-dga.])
146	<	DEFINES="$DEFINES -DENABLE_XF86_DGA=0"
146	>	WANT_XF86_DGA=no
147		])
78	–	else
79	–	DEFINES="$DEFINES -DENABLE_XF86_DGA=0"
148		fi
149		if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
150	<	DEFINES="$DEFINES -DENABLE_FBDEV_DGA=1"
151	<	else
152	<	DEFINES="$DEFINES -DENABLE_FBDEV_DGA=0"
150	>	AC_DEFINE(ENABLE_FBDEV_DGA)
151	>	fi
152	>
153	>	dnl We use XFree86 VidMode if possible.
154	>	if [[ "x$WANT_XF86_VIDMODE" = "xyes" ]]; then
155	>	AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryExtension, [
156	>	AC_DEFINE(ENABLE_XF86_VIDMODE)
157	>	LIBS="$LIBS -lXxf86vm"
158	>	], [
159	>	AC_MSG_WARN([Could not find XFree86 VidMode extension, ignoring --enable-xf86-vidmode.])
160	>	WANT_XF86_VIDMODE=no
161	>	])
162		fi
163
164		dnl We use GTK+ if possible.
165		UISRCS=../dummy/prefs_editor_dummy.cpp
166	<	if [[ "x$WANT_UI" = "xyes" ]]; then
166	>	if [[ "x$WANT_GTK" = "xyes" ]]; then
167		AM_PATH_GTK(1.2.0, [
168	<	DEFINES="$DEFINES -DENABLE_GTK=1"
168	>	AC_DEFINE(ENABLE_GTK)
169		CFLAGS="$CFLAGS $GTK_CFLAGS"
170		CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
171		LIBS="$LIBS $GTK_LIBS"
172		UISRCS=prefs_editor_gtk.cpp
173		], [
174		AC_MSG_WARN([Could not find GTK+, disabling user interface.])
175	<	WANT_UI=no
175	>	WANT_GTK=no
176		])
177		fi
178
179		dnl We use ESD if possible.
180		if [[ "x$WANT_ESD" = "xyes" ]]; then
181		AM_PATH_ESD(0.2.8, [
182	<	DEFINES="$DEFINES -DENABLE_ESD=1"
182	>	AC_DEFINE(ENABLE_ESD)
183		CFLAGS="$CFLAGS $ESD_CFLAGS"
184		CXXFLAGS="$CXXFLAGS $ESD_CFLAGS"
185		LIBS="$LIBS $ESD_LIBS"
#	Line 124 | Line 201 | AC_CHECK_SIZEOF(short, 2)
201		AC_CHECK_SIZEOF(int, 4)
202		AC_CHECK_SIZEOF(long, 4)
203		AC_CHECK_SIZEOF(long long, 8)
204	+	AC_CHECK_SIZEOF(void *, 4)
205		AC_TYPE_OFF_T
206		AC_CHECK_TYPE(loff_t, off_t)
207		AC_TYPE_SIZE_T
208	+	AC_TYPE_SIGNAL
209		AC_HEADER_TIME
210		AC_STRUCT_TM
211
212		dnl Checks for library functions.
213		AC_CHECK_FUNCS(strdup cfmakeraw)
214	<	AC_CHECK_FUNCS(nanosleep clock_gettime timer_create)
136	<	AC_CHECK_FUNCS(pthread_cancel)
214	>	AC_CHECK_FUNCS(clock_gettime timer_create)
215
216		dnl Select system-dependant source files.
217	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp ../dummy/audio_dummy.cpp"
218	<	if MACHINE=`uname -a 2>/dev/null`; then
219	<	case "$MACHINE" in
220	<	Linux*)
221	<	SYSSRCS="Linux/ether_linux.cpp Linux/scsi_linux.cpp audio_oss_esd.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=Linux/ether_linux.cpp
226	>	SCSISRC=Linux/scsi_linux.cpp
227	>	AUDIOSRC=audio_oss_esd.cpp
228	>	;;
229	>	freebsd*3.*)
230	>	AUDIOSRC=audio_oss_esd.cpp
231	>	DEFINES="$DEFINES -DBSD_COMP"
232	>	dnl Check for the CAM library
233	>	AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
234	>	if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
235	>	AC_MSG_WARN([Cannot find libcam for SCSI management, disabling SCSI support.])
236	>	else
237	>	dnl Check for the sys kernel includes
238	>	AC_CHECK_HEADER(/sys/cam/cam.h)
239	>	if [[ "x$ac_cv_header__sys_cam_cam_h" = "xno" ]]; then
240	>	dnl In this case I should fix this thing including a "patch"
241	>	dnl to access directly to the functions in the kernel :) --Orlando
242	>	AC_MSG_WARN([Cannot find kernel includes for CAM library, disabling SCSI support.])
243		else
244	<	dnl Check for the sys kernel includes
152	<	AC_CHECK_HEADER(/sys/cam/cam.h)
153	<	if [[ "x$ac_cv_header__sys_cam_cam_h" = "xno" ]]; then
154	<	dnl In this case I should fix this thing including a "patch"
155	<	dnl to access directly to the functions in the kernel :) --Orlando
156	<	AC_MSG_ERROR([Cannot find kernel includes for CAM library.])
157	<	fi
158	<	SYSSRCS="../dummy/ether_dummy.cpp FreeBSD/scsi_freebsd.cpp audio_oss_esd.cpp"
244	>	SCSISRC=FreeBSD/scsi_freebsd.cpp
245		CXXFLAGS="$CXXFLAGS -I/sys"
246		CFLAGS="$CFLAGS -I/sys"
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.])
250	>	fi
251	>	;;
252	>	freebsd*)
253	>	DEFINES="$DEFINES -DBSD_COMP"
254	>	dnl Check for the SCSI library
255	>	AC_CHECK_LIB(scsi, scsi_open, HAVE_LIBSCSI=yes, HAVE_LIBSCSI=no)
256	>	if [[ "x$HAVE_LIBSCSI" = "xno" ]]; then
257	>	AC_MSG_WARN([Cannot find libscsi for SCSI management, disabling SCSI support.])
258	>	else
259	>	dnl Check for the sys kernel includes
260	>	AC_CHECK_HEADER(scsi.h sys/scsiio.h)
261	>	if [[ "x$ac_cv_header_scsi_h" = "xno" ]]; then
262	>	AC_MSG_WARN([Cannot find includes for the SCSI library, disabling SCSI support.])
263		else
264	<	dnl Check for the sys kernel includes
172	<	AC_CHECK_HEADER(scsi.h sys/scsiio.h)
173	<	if [[ "x$ac_cv_header_scsi_h" = "xno" ]]; then
174	<	AC_MSG_ERROR([Cannot find includes for the SCSI library.])
175	<	fi
176	<	SYSSRCS="../dummy/ether_dummy.cpp FreeBSD/scsi_freebsd.cpp ../dummy/audio_dummy.cpp"
264	>	SCSISRC=FreeBSD/scsi_freebsd.cpp
265		LIBS="$LIBS -lscsi"
178	–	DEFINES="$DEFINES -DBSD_COMP"
266		fi
267	<	;;
268	<	SunOS*)
269	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp Solaris/audio_solaris.cpp"
270	<	DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
271	<	;;
272	<	IRIX*)
273	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp ../dummy/audio_dummy.cpp Irix/unaligned.c"
274	<	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200"
275	<	LIBS="$LIBS -lm"
267	>	fi
268	>	;;
269	>	netbsd*)
270	>	CAN_NATIVE_M68K=yes
271	>	;;
272	>	solaris*)
273	>	AUDIOSRC=Solaris/audio_solaris.cpp
274	>	DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
275	>	;;
276	>	irix*)
277	>	AUDIOSRC=Irix/audio_irix.cpp
278	>	EXTRASYSSRCS=Irix/unaligned.c
279	>	dnl IRIX headers work fine, but somehow don't define or use "STDC_HEADERS"
280	>	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200 -DSTDC_HEADERS"
281	>	LIBS="$LIBS -laudio"
282	>
283	>	dnl Check if our compiler supports -Ofast (MIPSPro)
284	>	HAVE_OFAST=no
285	>	ocflags="$CFLAGS"
286	>	CFLAGS=`echo $CFLAGS | sed -e 's/ -g / -Ofast /;s/^-g /-Ofast /;s/-g$/ -Ofast/;s/^-g$/-Ofast/'`
287	>	AC_MSG_CHECKING(if "-Ofast" works)
288	>	dnl Do a test compile of an empty function
289	>	AC_TRY_COMPILE(,, [AC_MSG_RESULT(yes); HAVE_OFAST=yes], AC_MSG_RESULT(no))
290	>	CFLAGS="$ocflags"
291	>
292	>	;;
293	>	esac
294	>
295	>	dnl Use 68k CPU natively?
296	>	WANT_NATIVE_M68K=no
297	>	if [[ "x$HAVE_M68K" = "xyes" -a "x$CAN_NATIVE_M68K" = "xyes" ]]; then
298	>	AC_DEFINE(ENABLE_NATIVE_M68K)
299	>	WANT_NATIVE_M68K=yes
300	>	fi
301	>
302	>	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
303	>	dnl Serial, ethernet and audio support needs pthreads
304	>	AC_MSG_WARN([You don't have pthreads, disabling serial, ethernet and audio support.])
305	>	SERIALSRC=../dummy/serial_dummy.cpp
306	>	ETHERSRC=../dummy/ether_dummy.cpp
307	>	AUDIOSRC=../dummy/audio_dummy.cpp
308	>	fi
309	>	SYSSRCS="$SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
310	>
311	>	dnl Define a macro that translates a yesno-variable into a C macro definition
312	>	dnl to be put into the config.h file
313	>	dnl $1 -- the macro to define
314	>	dnl $2 -- the value to translate
315	>	AC_DEFUN(AC_TRANSLATE_DEFINE, [
316	>	if [[ "x$2" = "xyes" ]]; then
317	>	AC_DEFINE($1)
318	>	fi
319	>	])
320	>
321	>	dnl Check if we can mmap 0x2000 bytes from 0x0000
322	>	AC_CACHE_CHECK("whether we can map Low Memory area 0x0000-0x2000",
323	>	ac_cv_can_map_lm, [
324	>	AC_LANG_SAVE
325	>	AC_LANG_CPLUSPLUS
326	>	AC_TRY_RUN([
327	>	#include <unistd.h>
328	>	#include <fcntl.h>
329	>	#include <sys/mman.h>
330	>
331	>	int main()
332	>	{ int zero_fd; char * lm;
333	>	if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
334	>	if ((lm = (char *)mmap((caddr_t)0x0000, 0x2000, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_PRIVATE, zero_fd, 0)) == MAP_FAILED) exit(1);
335	>	lm[0] = 0x12;
336	>	munmap(lm, 0x2000);
337	>	close(zero_fd);
338	>	exit(0);
339	>	}
340	>	],
341	>	[ac_cv_can_map_lm=yes],
342	>	[ac_cv_can_map_lm=no]
343	>	)
344	>	AC_LANG_RESTORE
345	>	]
346	>	)
347	>
348	>	dnl Check if extended signals are supported.
349	>	AC_CACHE_CHECK("whether your system supports extended signal handlers",
350	>	ac_cv_have_extended_signals, [
351	>	AC_LANG_SAVE
352	>	AC_LANG_CPLUSPLUS
353	>	AC_TRY_RUN([
354	>	#include <unistd.h>
355	>	#include <stdlib.h>
356	>	#include <signal.h>
357	>	#include <fcntl.h>
358	>	#include <sys/mman.h>
359	>
360	>	static volatile caddr_t mem = 0;
361	>	static int zero_fd = -1;
362	>
363	>	static RETSIGTYPE segfault_handler(int, siginfo_t * sip, void *)
364	>	{ if ((caddr_t)(sip->si_addr) != mem) exit(1);
365	>	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
366	>
367	>	int main()
368	>	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
369	>	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
370	>	struct sigaction sa; sa.sa_sigaction = segfault_handler; sa.sa_flags = SA_SIGINFO;
371	>	sigaction(SIGSEGV, &sa, 0);
372	>	mem[0] = 0;
373	>	exit(1); // should not be reached
374	>	}
375	>	],
376	>	[ac_cv_have_extended_signals=yes],
377	>	[ac_cv_have_extended_signals=no]
378	>	)
379	>	AC_LANG_RESTORE
380	>	]
381	>	)
382	>	AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals")
383	>
384	>	dnl Otherwise, check for subterfuges.
385	>	if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
386	>	case "$target_os" in
387	>	linux*)
388	>	if [[ "x$HAVE_I386" = "xyes" ]]; then
389	>	AC_CACHE_CHECK("whether we then have a subterfuge for your system",
390	>	ac_cv_have_sigcontext_hack, [
391	>	AC_LANG_SAVE
392	>	AC_LANG_CPLUSPLUS
393	>	AC_TRY_RUN([
394	>	#include <unistd.h>
395	>	#include <signal.h>
396	>	#include <fcntl.h>
397	>	#include <sys/mman.h>
398	>
399	>	static volatile caddr_t mem = 0;
400	>	static int zero_fd = -1;
401	>
402	>	static RETSIGTYPE segfault_handler(int, struct sigcontext scs)
403	>	{ if ((caddr_t)(scs.cr2) != mem) exit(1);
404	>	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
405	>
406	>	int main()
407	>	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
408	>	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
409	>	struct sigaction sa; sa.sa_flags = 0;
410	>	sa.sa_handler = (RETSIGTYPE (*)(int))segfault_handler;
411	>	sigaction(SIGSEGV, &sa, 0);
412	>	mem[0] = 0;
413	>	exit(1); // should not be reached
414	>	}
415	>	],
416	>	[ac_cv_have_sigcontext_hack=yes],
417	>	[ac_cv_have_sigcontext_hack=no]
418	>	)
419	>	AC_LANG_RESTORE
420	>	])
421	>	AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, $ac_cv_have_sigcontext_hack)
422	>	elif [[ "x$HAVE_POWERPC" = "xyes" ]]; then
423	>	AC_CACHE_CHECK("whether we then have a subterfuge for your system",
424	>	ac_cv_have_sigcontext_hack, [
425	>	AC_LANG_SAVE
426	>	AC_LANG_CPLUSPLUS
427	>	AC_TRY_RUN([
428	>	#include <unistd.h>
429	>	#include <signal.h>
430	>	#include <fcntl.h>
431	>	#include <sys/mman.h>
432	>
433	>	static volatile caddr_t mem = 0;
434	>	static int zero_fd = -1;
435	>
436	>	static RETSIGTYPE segfault_handler(int, struct sigcontext_struct *scs)
437	>	{ if ((caddr_t)(scs->regs->dar) != mem) exit(1);
438	>	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
439	>
440	>	int main()
441	>	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
442	>	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
443	>	struct sigaction sa; sa.sa_flags = 0;
444	>	sa.sa_handler = (RETSIGTYPE (*)(int))segfault_handler;
445	>	sigaction(SIGSEGV, &sa, 0);
446	>	mem[0] = 0;
447	>	exit(1); // should not be reached
448	>	}
449	>	],
450	>	[ac_cv_have_sigcontext_hack=yes],
451	>	[ac_cv_have_sigcontext_hack=no]
452	>	)
453	>	AC_LANG_RESTORE
454	>	])
455	>	AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, $ac_cv_have_sigcontext_hack)
456	>	fi
457	>	;;
458	>	netbsd*)
459	>	if [[ "x$HAVE_M68K" = "xyes" ]]; then
460	>	AC_CACHE_CHECK("whether we then have a subterfuge for your system",
461	>	ac_cv_have_sigcontext_hack, [
462	>	AC_LANG_SAVE
463	>	AC_LANG_CPLUSPLUS
464	>	AC_TRY_RUN([
465	>	#include <unistd.h>
466	>	#include <signal.h>
467	>	#include <fcntl.h>
468	>	#include <sys/mman.h>
469	>
470	>	static volatile caddr_t mem = 0;
471	>	static int zero_fd = -1;
472	>
473	>	static RETSIGTYPE segfault_handler(int, int code)
474	>	{ if ((caddr_t)code != mem) exit(1);
475	>	munmap(mem, getpagesize()); close(zero_fd); exit(0); }
476	>
477	>	int main()
478	>	{ if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
479	>	if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
480	>	struct sigaction sa; sa.sa_flags = 0;
481	>	sa.sa_handler = (RETSIGTYPE (*)(int))segfault_handler;
482	>	sigaction(SIGSEGV, &sa, 0);
483	>	mem[0] = 0;
484	>	exit(1); // should not be reached
485	>	}
486	>	],
487	>	[ac_cv_have_sigcontext_hack=yes],
488	>	[ac_cv_have_sigcontext_hack=no]
489	>	)
490	>	AC_LANG_RESTORE
491	>	])
492	>	AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, $ac_cv_have_sigcontext_hack)
493	>	fi
494		;;
495		esac
496		fi
192	–	SYSSRCS="$SYSSRCS $SEMSRCS $UISRCS $MONSRCS"
497
498	<	dnl Check for i386 CPU.
499	<	HAVE_I386=no
500	<	AC_MSG_CHECKING(for x86 target CPU)
501	<	AC_EGREP_CPP(yes,
502	<	[
199	<	#ifdef __i386__
200	<	yes
201	<	#endif
202	<	], [AC_MSG_RESULT(yes); HAVE_I386=yes], AC_MSG_RESULT(no))
498	>	dnl Can we do Video on SEGV Signals ?
499	>	CAN_VOSF=no
500	>	if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
501	>	CAN_VOSF=yes
502	>	fi
503
504	<	dnl Check for SPARC CPU.
505	<	HAVE_SPARC=no
506	<	AC_MSG_CHECKING(for SPARC target CPU)
507	<	AC_EGREP_CPP(yes,
508	<	[
509	<	#ifdef __sparc__
510	<	yes
511	<	#endif
512	<	], [AC_MSG_RESULT(yes); HAVE_SPARC=yes], AC_MSG_RESULT(no))
504	>	dnl Determine the addressing mode to use
505	>	if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
506	>	ADDRESSING_MODE="real"
507	>	else
508	>	ADDRESSING_MODE=""
509	>	AC_MSG_CHECKING([for the addressing mode to use])
510	>	for am in $ADDRESSING_TEST_ORDER; do
511	>	case $am in
512	>	real)
513	>	dnl Requires ability to mmap() Low Memory globals
514	>	if [[ "x$ac_cv_can_map_lm" = "xno" ]]; then
515	>	continue
516	>	fi
517	>	dnl Requires VOSF screen updates
518	>	if [[ "x$CAN_VOSF" = "xno" ]]; then
519	>	continue
520	>	fi
521	>	dnl Real addressing will probably work.
522	>	ADDRESSING_MODE="real"
523	>	WANT_VOSF=yes dnl we can use VOSF and we need it actually
524	>	DEFINES="$DEFINES -DREAL_ADDRESSING"
525	>	break
526	>	;;
527	>	direct)
528	>	dnl Requires VOSF screen updates
529	>	if [[ "x$CAN_VOSF" = "xyes" ]]; then
530	>	ADDRESSING_MODE="direct"
531	>	WANT_VOSF=yes dnl we can use VOSF and we need it actually
532	>	DEFINES="$DEFINES -DDIRECT_ADDRESSING"
533	>	break
534	>	fi
535	>	;;
536	>	banks)
537	>	dnl Default addressing mode
538	>	ADDRESSING_MODE="memory banks"
539	>	break
540	>	;;
541	>	*)
542	>	AC_MSG_ERROR([Internal configure.in script error for $am addressing mode])
543	>	esac
544	>	done
545	>	AC_MSG_RESULT($ADDRESSING_MODE)
546	>	if [[ "x$ADDRESSING_MODE" = "x" ]]; then
547	>	AC_MSG_WARN([Sorry, no suitable addressing mode in $ADDRESSING_TEST_ORDER])
548	>	ADDRESSING_MODE="memory banks"
549	>	fi
550	>	fi
551	>
552	>	dnl Enable VOSF screen updates with this feature is requested and feasible
553	>	if [[ "x$WANT_VOSF" = "xyes" -a "x$CAN_VOSF" = "xyes" ]]; then
554	>	AC_DEFINE(ENABLE_VOSF)
555	>	else
556	>	WANT_VOSF=no
557	>	fi
558
559		dnl Check for GAS.
560		HAVE_GAS=no
#	Line 230 | Line 575 | AC_EGREP_CPP(yes,
575		#endif
576		], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
577
578	<	dnl Set "-fomit-frame-pointer" on GCC 2.7 or higher.
579	<	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
578	>	dnl Set "-fomit-frame-pointer" on i386 GCC 2.7 or higher.
579	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
580		CFLAGS="$CFLAGS -fomit-frame-pointer"
581		CXXFLAGS="$CXXFLAGS -fomit-frame-pointer"
582		fi
583
584		dnl Select appropriate CPU source and REGPARAM define.
585	+	ASM_OPTIMIZATIONS=none
586		CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
587	+	FPUSRCS="../uae_cpu/fpp.cpp"
588		if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
589		dnl i386 CPU
590		DEFINES="$DEFINES -DREGPARAM=\"__attribute__((regparm(3)))\""
591		if [[ "x$HAVE_GAS" = "xyes" ]]; then
592	<	DEFINES="$DEFINES -DX86_ASSEMBLY"
592	>	ASM_OPTIMIZATIONS=i386
593	>	DEFINES="$DEFINES -DX86_ASSEMBLY -DUNALIGNED_PROFITABLE -DOPTIMIZED_FLAGS"
594		CPUSRCS="cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s"
595	+	FPUSRCS="../uae_cpu/fpu_x86.cpp"
596		fi
597		elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
598		dnl SPARC CPU
599	<	case "$MACHINE" in
600	<	SunOS*)
599	>	case "$target_os" in
600	>	solaris*)
601		AC_MSG_CHECKING(SPARC CPU architecture)
602		SPARC_TYPE=`Solaris/which_sparc`
603		AC_MSG_RESULT($SPARC_TYPE)
604		case "$SPARC_TYPE" in
605		SPARC_V8)
606	<	DEFINES="$DEFINES -DSPARC_V8_ASSEMBLY"
606	>	ASM_OPTIMIZATIONS="SPARC V8 architecture"
607	>	DEFINES="$DEFINES -DSPARC_V8_ASSEMBLY" dnl -DOPTIMIZED_FLAGS"
608		CFLAGS="$CFLAGS -Wa,-Av8"
609		CXXFLAGS="$CXXFLAGS -Wa,-Av8"
610		;;
611		SPARC_V9)
612	<	DEFINES="$DEFINES -DSPARC_V9_ASSEMBLY"
612	>	ASM_OPTIMIZATIONS="SPARC V9 architecture"
613	>	DEFINES="$DEFINES -DSPARC_V9_ASSEMBLY" dnl -DOPTIMIZED_FLAGS"
614		CFLAGS="$CFLAGS -Wa,-Av9"
615		CXXFLAGS="$CXXFLAGS -Wa,-Av9"
616		;;
617		esac
618		;;
619		esac
620	+	elif [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
621	+	dnl Native m68k, no emulation
622	+	CPUINCLUDES="-I../native_cpu"
623	+	CPUSRCS="asm_support.s"
624		fi
625
626	<	dnl UAE CPU sources for all architectures.
627	<	CPUINCLUDES="-I../uae_cpu"
628	<	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 $CPUSRCS"
626	>	dnl Select appropriate FPU source.
627	>	dnl 1. Optimized X86 assembly core if target is i386 architecture
628	>	SAVED_DEFINES=$DEFINES
629	>	if [[ "x$FPE_CORE" = "xdefault" ]]; then
630	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
631	>	DEFINES="$DEFINES -DFPU_X86"
632	>	FPE_CORE_STR="i386 optimized core"
633	>	FPUSRCS="../uae_cpu/fpu/fpu_x86.cpp"
634	>	else
635	>	FPE_CORE="uae"
636	>	fi
637	>	fi
638	>
639	>	dnl 2. JIT-FPU only supports IEEE-based implementation.
640	>	if [[ "x$WANT_JIT_FPU" = "xyes" -a "x$FPE_CORE" != "xieee" ]]; then
641	>	AC_MSG_WARN([Sorry, JIT-FPU supports only the "ieee" FPE implementation])
642	>	FPE_CORE="ieee"
643	>	dnl Restore previous variables. FPE_CORE_STR and FPUSRCS are overwritten
644	>	DEFINES=$SAVED_DEFINES
645	>	fi
646	>
647	>	dnl 3. Choose either IEEE-based implementation or the old UAE core
648	>	if [[ "x$FPE_CORE" = "xieee" ]]; then
649	>	AC_CHECK_HEADERS(fenv.h)
650	>	AC_CHECK_FUNCS(feclearexcept fegetexceptflag feraiseexcept fesetexceptflag fetestexcept)
651	>	AC_CHECK_FUNCS(fegetround fesetround)
652	>	DEFINES="$DEFINES -DFPU_IEEE"
653	>	FPE_CORE_STR="ieee-based fpu core"
654	>	FPUSRCS="../uae_cpu/fpu/fpu_ieee.cpp"
655	>	elif [[ "x$FPE_CORE" = "xuae" ]]; then
656	>	DEFINES="$DEFINES -DFPU_UAE"
657	>	FPE_CORE_STR="original uae core"
658	>	FPUSRCS="../uae_cpu/fpu/fpu_uae.cpp"
659	>	fi
660	>
661	>	dnl Check for certain math functions
662	>	AC_CHECK_FUNCS(atanh)
663	>	AC_CHECK_FUNCS(isnan isinf)             dnl C99
664	>	AC_CHECK_FUNCS(isnanl isinfl)   dnl IEEE ?
665	>
666	>	dnl UAE CPU sources for all non-m68k-native architectures.
667	>	if [[ "x$WANT_NATIVE_M68K" = "xno" ]]; then
668	>	CPUINCLUDES="-I../uae_cpu"
669	>	CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp $FPUSRCS cpustbl.cpp cpudefs.cpp $CPUSRCS"
670	>	fi
671	>
672	>	dnl Remove the "-g" option if set for GCC.
673	>	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
674	>	dnl gb-- Probably not the cleanest way to take
675	>	CFLAGS=`echo $CFLAGS | sed -e 's/ -g / /;s/^-g / /;s/ -g$/ /;s/^-g$//'`
676	>	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/ -g / /;s/^-g / /;s/ -g$/ /;s/^-g$//'`
677	>	fi
678	>
679	>	dnl Or if we have -Ofast
680	>	if [[ "x$HAVE_OFAST" = "xyes" ]]; then
681	>	CFLAGS=`echo $CFLAGS | sed -e 's/ -g / -Ofast /;s/^-g /-Ofast /;s/-g$/ -Ofast/;s/^-g$/-Ofast/'`
682	>	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/ -g / -Ofast /;s/^-g /-Ofast/;s/ -g$/ -Ofast/;s/^-g$/-Ofast/'`
683	>	CXXFLAGS="-LANG:std $CXXFLAGS"
684	>	LDFLAGS="$LDFLAGS -Ofast"
685	>	fi
686
687		dnl Generate Makefile.
688		AC_SUBST(DEFINES)
#	Line 278 | Line 690 | AC_SUBST(SYSSRCS)
690		AC_SUBST(CPUINCLUDES)
691		AC_SUBST(CPUSRCS)
692		AC_OUTPUT(Makefile)
693	<	echo "Configuration done. Now type \"make\"."
693	>
694	>	dnl Print summary.
695	>	echo
696	>	echo Basilisk II configuration summary:
697	>	echo
698	>	echo XFree86 DGA support .............. : $WANT_XF86_DGA
699	>	echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
700	>	echo fbdev DGA support ................ : $WANT_FBDEV_DGA
701	>	echo Enable video on SEGV signals ..... : $WANT_VOSF
702	>	echo ESD sound support ................ : $WANT_ESD
703	>	echo GTK user interface ............... : $WANT_GTK
704	>	echo mon debugger support ............. : $WANT_MON
705	>	echo Running m68k code natively ....... : $WANT_NATIVE_M68K
706	>	echo Floating-Point emulation core .... : $FPE_CORE_STR
707	>	echo Assembly optimizations ........... : $ASM_OPTIMIZATIONS
708	>	echo Addressing mode .................. : $ADDRESSING_MODE
709	>	echo
710	>	echo "Configuration done. Now type \"make\" (or \"gmake\")."

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