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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 1.64 by gbeauche, 2002-09-16T13:29:33Z

#	Line 1 | Line 1
1		dnl Process this file with autoconf to produce a configure script.
2	<	dnl Written in 1999 by Christian Bauer et al.
2	>	dnl Written in 2002 by Christian Bauer et al.
3
4		AC_INIT(main_unix.cpp)
5		AC_PREREQ(2.12)
6		AC_CONFIG_HEADER(config.h)
7
8		dnl Options.
9	<	WANT_DGA=yes
10	<	WANT_UI=yes
11	<	AC_ARG_ENABLE(dga, [  --enable-dga            use the DGA extension (default)], [WANT_DGA=$enableval], [])
12	<	AC_ARG_ENABLE(ui,  [  --enable-ui             use GTK user interface (default)], [WANT_UI=$enableval], [])
9	>	AC_ARG_ENABLE(xf86-dga,      [  --enable-xf86-dga       use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes])
10	>	AC_ARG_ENABLE(xf86-vidmode,  [  --enable-xf86-vidmode   use the XFree86 VidMode extension [default=yes]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=yes])
11	>	AC_ARG_ENABLE(fbdev-dga,     [  --enable-fbdev-dga      use direct frame buffer access via /dev/fb [default=yes]], [WANT_FBDEV_DGA=$enableval], [WANT_FBDEV_DGA=yes])
12	>	AC_ARG_ENABLE(vosf,          [  --enable-vosf           enable video on SEGV signals [default=yes]], [WANT_VOSF=$enableval], [WANT_VOSF=yes])
13	>
14	>	dnl FPU emulation core.
15	>	AC_ARG_ENABLE(fpe,
16	>	[  --enable-fpe=FPE        specify which fpu emulator to use [default=auto]],
17	>	[ case "$enableval" in
18	>	dnl default is always ieee, if architecture has this fp format
19	>	auto)       FPE_CORE_TEST_ORDER="ieee uae";;
20	>	ieee)       FPE_CORE_TEST_ORDER="ieee";;
21	>	uae)        FPE_CORE_TEST_ORDER="uae";;
22	>	x86)        FPE_CORE_TEST_ORDER="x86";;
23	>	*)              AC_MSG_ERROR([--enable-fpe takes only one of the following values: auto, x86, ieee, uae]);;
24	>	esac
25	>	],
26	>	[ FPE_CORE_TEST_ORDER="ieee uae"
27	>	])
28	>
29	>	dnl Addressing modes.
30	>	AC_ARG_ENABLE(addressing,
31	>	[  --enable-addressing=AM  specify the addressing mode to use [default=fastest]],
32	>	[ case "$enableval" in
33	>	real)       ADDRESSING_TEST_ORDER="real";;
34	>	direct)     ADDRESSING_TEST_ORDER="direct";;
35	>	banks)      ADDRESSING_TEST_ORDER="banks";;
36	>	fastest)ADDRESSING_TEST_ORDER="direct banks";;
37	>	*)          AC_MSG_ERROR([--enable-addressing takes only one of the following values: fastest, real, direct, banks]);;
38	>	esac
39	>	],
40	>	[ ADDRESSING_TEST_ORDER="direct banks"
41	>	])
42	>
43	>	dnl External packages.
44	>	AC_ARG_WITH(esd,             [  --with-esd              support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes])
45	>	AC_ARG_WITH(gtk,             [  --with-gtk              use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes])
46	>	AC_ARG_WITH(mon,             [  --with-mon              use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes])
47	>
48	>	dnl Canonical system information.
49	>	AC_CANONICAL_HOST
50	>	AC_CANONICAL_TARGET
51	>
52	>	dnl Target OS type (target is host if not cross-compiling).
53	>	case "$target_os" in
54	>	linux*)       OS_TYPE=linux;;
55	>	netbsd*)      OS_TYPE=netbsd;;
56	>	freebsd*)     OS_TYPE=freebsd;;
57	>	solaris*)     OS_TYPE=solaris;;
58	>	darwin*)      OS_TYPE=darwin;;
59	>	*)            OS_TYPE=`echo $target_os | sed -e 's/-/_/g' | sed -e 's/\./_/g'`;;
60	>	esac
61	>	DEFINES="$DEFINES -DOS_$OS_TYPE"
62	>
63	>	dnl Target CPU type.
64	>	HAVE_I386=no
65	>	HAVE_M68K=no
66	>	HAVE_SPARC=no
67	>	HAVE_POWERPC=no
68	>	case "$target_cpu" in
69	>	i386* | i486* | i586* | i686* | i786* ) CPU_TYPE=i386 HAVE_I386=yes;;
70	>	m68k* ) CPU_TYPE=m68k HAVE_M68K=yes;;
71	>	sparc* ) CPU_TYPE=sparc HAVE_SPARC=yes;;
72	>	powerpc* ) CPU_TYPE=powerpc HAVE_POWERPC=yes;;
73	>	*) CPU_TYPE=`echo $target_cpu | sed -e 's/-/_/g'`;;
74	>	esac
75	>	DEFINES="$DEFINES -DCPU_$CPU_TYPE"
76
77		dnl Checks for programs.
78		AC_PROG_CC
79	<	AC_PROG_CXX
79	>	AC_PROG_CC_C_O
80		AC_PROG_CPP
81	+	AC_PROG_CXX
82		AC_PROG_MAKE_SET
83		AC_PROG_INSTALL
84
85	+	dnl We use mon if possible.
86	+	MONSRCS=
87	+	if [[ "x$WANT_MON" = "xyes" ]]; then
88	+	AC_MSG_CHECKING(for mon)
89	+	mon_srcdir=../../../mon/src
90	+	if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
91	+	AC_MSG_RESULT(yes)
92	+	AC_DEFINE(ENABLE_MON)
93	+	MONSRCS="$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/mon_lowmem.cpp $mon_srcdir/disass/floatformat.c $mon_srcdir/disass/i386-dis.c $mon_srcdir/disass/m68k-dis.c $mon_srcdir/disass/m68k-opc.c"
94	+	CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass"
95	+	AC_CHECK_LIB(ncurses, tgetent, ,
96	+	AC_CHECK_LIB(termcap, tgetent, ,
97	+	AC_CHECK_LIB(termlib, tgetent, ,
98	+	AC_CHECK_LIB(terminfo, tgetent, ,
99	+	AC_CHECK_LIB(Hcurses, tgetent, ,
100	+	AC_CHECK_LIB(curses, tgetent))))))
101	+	AC_CHECK_LIB(readline, readline)
102	+	AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
103	+	else
104	+	AC_MSG_RESULT(no)
105	+	AC_MSG_WARN([Could not find mon, ignoring --with-mon.])
106	+	WANT_MON=no
107	+	fi
108	+	fi
109	+
110		dnl Checks for libraries.
111	+	AC_CHECK_LIB(posix4, sem_init)
112	+	AC_CHECK_LIB(rt, timer_create)
113	+
114	+	dnl We need X11.
115		AC_PATH_XTRA
116		if [[ "x$no_x" = "xyes" ]]; then
117		AC_MSG_ERROR([You need X11 to run Basilisk II.])
118		fi
26	–
119		CFLAGS="$CFLAGS $X_CFLAGS"
120		CXXFLAGS="$CXXFLAGS $X_CFLAGS"
121		LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
30	–	STATICLIBS=
122
123	<	dnl We need pthreads.
124	<	AC_CHECK_LIB(pthread, pthread_create, HAVE_PTHREADS=yes, HAVE_PTHREADS=no)
125	<	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
126	<	dnl Check even the libc_r (FreeBSD)
127	<	AC_CHECK_LIB(c_r, pthread_create, HAVE_PTHREADS=yes, HAVE_PTHREADS=no)
128	<	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
129	<	AC_MSG_ERROR([You need libpthreads to run Basilisk II.])
130	<	else
131	<	LIBS="$LIBS -lc_r"
132	<	fi
133	<	else
43	<	LIBS="$LIBS -lpthread"
123	>	dnl We want pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL.
124	>	HAVE_PTHREADS=yes
125	>	AC_CHECK_LIB(pthread, pthread_create, , [
126	>	AC_CHECK_LIB(c_r, pthread_create, , [
127	>	AC_CHECK_LIB(PTL, pthread_create, , [
128	>	HAVE_PTHREADS=no
129	>	])
130	>	])
131	>	])
132	>	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
133	>	AC_DEFINE(HAVE_PTHREADS)
134		fi
135		AC_CHECK_FUNCS(pthread_cancel)
136	+	AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
137	+	AC_CHECK_FUNCS(pthread_mutexattr_settype)
138
139	<	dnl We use DGA if possible.
140	<	if [[ "x$WANT_DGA" = "xyes" ]]; then
141	<	AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, HAVE_DGA=yes, HAVE_DGA=no)
142	<	if [[ "x$HAVE_DGA" = "xno" ]]; then
143	<	AC_MSG_WARN([Could not find DGA extension, ignoring --enable-dga.])
52	<	else
53	<	DEFINES="$DEFINES -DENABLE_DGA=1"
54	<	LIBS="$LIBS -lXxf86dga"
139	>	dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
140	>	SEMSRC=
141	>	AC_CHECK_FUNCS(sem_init, , [
142	>	if test "x$HAVE_PTHREADS" = "xyes"; then
143	>	SEMSRC=posix_sem.cpp
144		fi
145	+	])
146	+
147	+	dnl We use DGA (XFree86 or fbdev) if possible.
148	+	if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
149	+	AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, [
150	+	AC_DEFINE(ENABLE_XF86_DGA)
151	+	LIBS="$LIBS -lXxf86dga"
152	+	if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
153	+	AC_MSG_WARN([Cannot have both --enable-xf86-dga and --enable-fbdev-dga, ignoring --enable-fbdev-dga.])
154	+	WANT_FBDEV_DGA=no
155	+	fi
156	+	], [
157	+	AC_MSG_WARN([Could not find XFree86 DGA extension, ignoring --enable-xf86-dga.])
158	+	WANT_XF86_DGA=no
159	+	])
160	+	fi
161	+	if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
162	+	AC_DEFINE(ENABLE_FBDEV_DGA)
163	+	fi
164	+
165	+	dnl We use XFree86 VidMode if possible.
166	+	if [[ "x$WANT_XF86_VIDMODE" = "xyes" ]]; then
167	+	AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryExtension, [
168	+	AC_DEFINE(ENABLE_XF86_VIDMODE)
169	+	LIBS="$LIBS -lXxf86vm"
170	+	], [
171	+	AC_MSG_WARN([Could not find XFree86 VidMode extension, ignoring --enable-xf86-vidmode.])
172	+	WANT_XF86_VIDMODE=no
173	+	])
174		fi
175
176		dnl We use GTK+ if possible.
177	<	if [[ "x$WANT_UI" = "xyes" ]]; then
178	<	AM_PATH_GTK(1.2.0)
179	<	if [[ "x$no_gtk" = "xyes" ]]; then
180	<	echo "Did not find gtk+, disabling user interface."
181	<	WANT_UI=no
182	<	GTK_CFLAGS=
183	<	GTK_LIBS=
184	<	else
185	<	DEFINES="$DEFINES -DENABLE_GTK=1"
186	<	fi
187	<	CFLAGS="$CFLAGS $GTK_CFLAGS"
188	<	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
189	<	LIBS="$LIBS $GTK_LIBS"
190	<	fi
191	<
192	<	dnl We need POSIX.4 semaphores (and other POSIX.4 blessings).
193	<	SEMSRCS=
194	<	AC_CHECK_FUNCS(sem_init)
195	<	if [[ "x$ac_cv_func_sem_init" = "xno" ]]; then
196	<	AC_CHECK_LIB(posix4, sem_init, HAVE_LIBPOSIX4=yes, HAVE_LIBPOSIX4=no)
197	<	if [[ "x$HAVE_LIBPOSIX4" = "xno" ]]; then
198	<	dnl Checks for the existance of semget
199	<	AC_CHECK_FUNCS(semget)
200	<	if [[ "x$ac_cv_func_semget" = "xno" ]]; then
201	<	AC_MSG_ERROR([You need POSIX.4 semaphores to run Basilisk II.])
202	<	else
203	<	SEMSRCS="posix_sem.cpp"
204	<	fi
205	<	else
206	<	LIBS="$LIBS -lposix4"
207	<	fi
177	>	UISRCS=../dummy/prefs_editor_dummy.cpp
178	>	if [[ "x$WANT_GTK" = "xyes" ]]; then
179	>	AM_PATH_GTK(1.2.0, [
180	>	AC_DEFINE(ENABLE_GTK)
181	>	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
182	>	LIBS="$LIBS $GTK_LIBS"
183	>	UISRCS=prefs_editor_gtk.cpp
184	>	B2_PATH_GNOMEUI([
185	>	AC_DEFINE(HAVE_GNOMEUI)
186	>	CXXFLAGS="$CXXFLAGS $GNOMEUI_CFLAGS"
187	>	LIBS="$LIBS $GNOMEUI_LIBS"
188	>	], [])
189	>	], [
190	>	AC_MSG_WARN([Could not find GTK+, disabling user interface.])
191	>	WANT_GTK=no
192	>	])
193	>	fi
194	>
195	>	dnl We use ESD if possible.
196	>	if [[ "x$WANT_ESD" = "xyes" ]]; then
197	>	AM_PATH_ESD(0.2.8, [
198	>	AC_DEFINE(ENABLE_ESD)
199	>	CFLAGS="$CFLAGS $ESD_CFLAGS"
200	>	CXXFLAGS="$CXXFLAGS $ESD_CFLAGS"
201	>	LIBS="$LIBS $ESD_LIBS"
202	>	], [
203	>	AC_MSG_WARN([Could not find ESD, disabling ESD support.])
204	>	WANT_ESD=no
205	>	])
206	>	fi
207	>
208	>	dnl We use 64-bit file size support if possible.
209	>	dnl FIXME: Use AC_SYS_LARGEFILE from autoconf 2.5+
210	>	if [[ "x$OS_TYPE" = "xlinux" ]]; then
211	>	AC_DEFINE(_USE_LARGEFILE_SOURCE, 1, [Get more functions for correct standard I/O])
212	>	AC_DEFINE(_FILE_OFFSET_BITS, 64, [Get 64-bit file size support])
213		fi
214
215		dnl Checks for header files.
216		AC_HEADER_STDC
217	<	AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h)
217	>	AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h sys/mman.h)
218
219		dnl Checks for typedefs, structures, and compiler characteristics.
220		AC_C_BIGENDIAN
#	Line 101 | Line 224 | AC_CHECK_SIZEOF(short, 2)
224		AC_CHECK_SIZEOF(int, 4)
225		AC_CHECK_SIZEOF(long, 4)
226		AC_CHECK_SIZEOF(long long, 8)
227	+	AC_CHECK_SIZEOF(float, 4)
228	+	AC_CHECK_SIZEOF(double, 8)
229	+	AC_CHECK_SIZEOF(long double, 12)
230	+	AC_CHECK_SIZEOF(void *, 4)
231		AC_TYPE_OFF_T
232		AC_CHECK_TYPE(loff_t, off_t)
233	+	AC_CHECK_TYPE(caddr_t, [char *])
234		AC_TYPE_SIZE_T
235	+	AC_TYPE_SIGNAL
236		AC_HEADER_TIME
237		AC_STRUCT_TM
238
239	+	dnl Check whether sys/socket.h defines type socklen_t.
240	+	dnl (extracted from ac-archive/Miscellaneous)
241	+	AC_CACHE_CHECK("for socklen_t",
242	+	ac_cv_type_socklen_t, [
243	+	AC_TRY_COMPILE([
244	+	#include <sys/types.h>
245	+	#include <sys/socket.h>
246	+	], [socklen_t len = 42; return 0;],
247	+	ac_cv_type_socklen_t=yes, ac_cv_type_socklen_t=no,
248	+	dnl When cross-compiling, do not assume anything.
249	+	ac_cv_type_socklen_t="guessing no"
250	+	)
251	+	])
252	+	if [[ "x$ac_cv_type_socklen_t" != "xyes" ]]; then
253	+	AC_DEFINE(socklen_t, int)
254	+	fi
255	+
256		dnl Checks for library functions.
257		AC_CHECK_FUNCS(strdup cfmakeraw)
258	<	AC_CHECK_FUNCS(nanosleep clock_gettime timer_create)
258	>	AC_CHECK_FUNCS(clock_gettime timer_create)
259	>	AC_CHECK_FUNCS(sigaction signal)
260	>	AC_CHECK_FUNCS(mmap mprotect munmap)
261	>	AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
262	>
263	>	dnl Darwin seems to define mach_task_self() instead of task_self().
264	>	AC_CHECK_FUNCS(mach_task_self task_self)
265	>
266	>	dnl Check for headers and functions related to pty support (sshpty.c)
267	>	dnl From openssh-3.2.2p1 configure.ac
268	>
269	>	AC_CHECK_HEADERS(strings.h login.h sys/bsdtty.h sys/stat.h util.h pty.h)
270	>	AC_CHECK_FUNCS(_getpty vhangup strlcpy)
271	>
272	>	case "$host" in
273	>	*-*-hpux10.26)
274	>	disable_ptmx_check=yes
275	>	;;
276	>	*-*-linux*)
277	>	no_dev_ptmx=1
278	>	;;
279	>	mips-sony-bsd|mips-sony-newsos4)
280	>	AC_DEFINE(HAVE_NEWS4)
281	>	;;
282	>	*-*-sco3.2v4*)
283	>	no_dev_ptmx=1
284	>	;;
285	>	*-*-sco3.2v5*)
286	>	no_dev_ptmx=1
287	>	;;
288	>	esac
289	>
290	>	if test -z "$no_dev_ptmx" ; then
291	>	if test "x$disable_ptmx_check" != "xyes" ; then
292	>	AC_CHECK_FILE("/dev/ptmx",
293	>	[
294	>	AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
295	>	have_dev_ptmx=1
296	>	]
297	>	)
298	>	fi
299	>	fi
300	>	AC_CHECK_FILE("/dev/ptc",
301	>	[
302	>	AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
303	>	have_dev_ptc=1
304	>	]
305	>	)
306	>
307	>	dnl (end of code from openssh-3.2.2p1 configure.ac)
308	>
309
310		dnl Select system-dependant source files.
311	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp ../dummy/audio_dummy.cpp"
312	<	if MACHINE=`uname -a 2>/dev/null`; then
313	<	case "$MACHINE" in
314	<	Linux*)
315	<	SYSSRCS="Linux/ether_linux.cpp Linux/scsi_linux.cpp Linux/audio_linux.cpp"
316	<	;;
317	<	FreeBSD*3.*)
318	<	dnl Check for the CAM library
319	<	AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
320	<	if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
321	<	AC_MSG_ERROR([Cannot find libcam for SCSI management.])
311	>	SERIALSRC=serial_unix.cpp
312	>	ETHERSRC=../dummy/ether_dummy.cpp
313	>	SCSISRC=../dummy/scsi_dummy.cpp
314	>	AUDIOSRC=../dummy/audio_dummy.cpp
315	>	EXTRASYSSRCS=
316	>	CAN_NATIVE_M68K=no
317	>	case "$target_os" in
318	>	linux*)
319	>	ETHERSRC=ether_unix.cpp
320	>	AUDIOSRC=audio_oss_esd.cpp
321	>	SCSISRC=Linux/scsi_linux.cpp
322	>	;;
323	>	freebsd*)
324	>	ETHERSRC=ether_unix.cpp
325	>	AUDIOSRC=audio_oss_esd.cpp
326	>	DEFINES="$DEFINES -DBSD_COMP"
327	>	CXXFLAGS="$CXXFLAGS -fpermissive"
328	>	dnl Check for the CAM library
329	>	AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
330	>	if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
331	>	AC_MSG_WARN([Cannot find libcam for SCSI management, disabling SCSI support.])
332	>	else
333	>	dnl Check for the sys kernel includes
334	>	AC_CHECK_HEADER(camlib.h)
335	>	if [[ "x$ac_cv_header_camlib_h" = "xno" ]]; then
336	>	dnl In this case I should fix this thing including a "patch"
337	>	dnl to access directly to the functions in the kernel :) --Orlando
338	>	AC_MSG_WARN([Cannot find includes for CAM library, disabling SCSI support.])
339		else
340	<	dnl Check for the sys kernel includes
128	<	AC_CHECK_HEADER(/sys/cam/cam.h)
129	<	if [[ "x$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"
135	<	CXXFLAGS="$CXXFLAGS -I/sys"
136	<	CFLAGS="$CFLAGS -I/sys"
340	>	SCSISRC=FreeBSD/scsi_freebsd.cpp
341		LIBS="$LIBS -lcam"
342	<	DEFINES="$DEFINES -DBSD_COMP -DCAM"
342	>	DEFINES="$DEFINES -DCAM"
343		fi
344	<	;;
345	<	FreeBSD*)
346	<	dnl Check for the SCSI library
347	<	AC_CHECK_LIB(scsi, scsi_open, HAVE_LIBSCSI=yes, HAVE_LIBSCSI=no)
348	<	if [[ "x$HAVE_LIBSCSI" = "xno" ]]; then
349	<	AC_MSG_ERROR([Cannot find libscsi for SCSI management.])
350	<	else
351	<	dnl Check for the sys kernel includes
352	<	AC_CHECK_HEADER(scsi.h sys/scsiio.h)
353	<	if [[ "x$ac_cv_header_scsi_h" = "xno" ]]; then
354	<	AC_MSG_ERROR([Cannot find includes for the SCSI library.])
355	<	fi
356	<	SYSSRCS="../dummy/ether_dummy.cpp FreeBSD/scsi_freebsd.cpp ../dummy/audio_dummy.cpp"
357	<	LIBS="$LIBS -lscsi"
358	<	DEFINES="$DEFINES -DBSD_COMP"
344	>	fi
345	>	;;
346	>	netbsd*)
347	>	CAN_NATIVE_M68K=yes
348	>	;;
349	>	solaris*)
350	>	AUDIOSRC=Solaris/audio_solaris.cpp
351	>	DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
352	>	;;
353	>	irix*)
354	>	ETHERSRC=ether_unix.cpp
355	>	AUDIOSRC=Irix/audio_irix.cpp
356	>	EXTRASYSSRCS=Irix/unaligned.c
357	>	dnl IRIX headers work fine, but somehow don't define or use "STDC_HEADERS"
358	>	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200 -DSTDC_HEADERS"
359	>	LIBS="$LIBS -laudio"
360	>	WANT_ESD=no
361	>
362	>	dnl Check if our compiler supports -Ofast (MIPSPro)
363	>	HAVE_OFAST=no
364	>	ocflags="$CFLAGS"
365	>	CFLAGS=`echo $CFLAGS | sed -e 's/ -g / -Ofast /;s/^-g /-Ofast /;s/-g$/ -Ofast/;s/^-g$/-Ofast/'`
366	>	AC_MSG_CHECKING(if "-Ofast" works)
367	>	dnl Do a test compile of an empty function
368	>	AC_TRY_COMPILE(,, [AC_MSG_RESULT(yes); HAVE_OFAST=yes], AC_MSG_RESULT(no))
369	>	CFLAGS="$ocflags"
370	>
371	>	;;
372	>	esac
373	>
374	>	dnl Use 68k CPU natively?
375	>	WANT_NATIVE_M68K=no
376	>	if [[ "x$HAVE_M68K" = "xyes" -a "x$CAN_NATIVE_M68K" = "xyes" ]]; then
377	>	AC_DEFINE(ENABLE_NATIVE_M68K)
378	>	WANT_NATIVE_M68K=yes
379	>	fi
380	>
381	>	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
382	>	dnl Serial, ethernet and audio support needs pthreads
383	>	AC_MSG_WARN([You don't have pthreads, disabling serial, ethernet and audio support.])
384	>	SERIALSRC=../dummy/serial_dummy.cpp
385	>	ETHERSRC=../dummy/ether_dummy.cpp
386	>	AUDIOSRC=../dummy/audio_dummy.cpp
387	>	fi
388	>	SYSSRCS="$SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
389	>
390	>	dnl Define a macro that translates a yesno-variable into a C macro definition
391	>	dnl to be put into the config.h file
392	>	dnl $1 -- the macro to define
393	>	dnl $2 -- the value to translate
394	>	AC_DEFUN(AC_TRANSLATE_DEFINE, [
395	>	if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then
396	>	AC_DEFINE($1)
397		fi
398	<	;;
399	<	SunOS*)
400	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp Solaris/audio_solaris.cpp"
401	<	DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
402	<	;;
403	<	IRIX*)
404	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp ../dummy/audio_dummy.cpp Irix/unaligned.c"
405	<	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200"
406	<	LIBS="$LIBS -lm"
407	<	;;
398	>	])
399	>
400	>	dnl Various checks if the system supports vm_allocate() and the like functions.
401	>	have_mach_vm=no
402	>	if [[ "x$ac_cv_func_vm_allocate" = "xyes" -a "x$ac_cv_func_vm_deallocate" = "xyes" -a \
403	>	"x$ac_cv_func_vm_protect" = "xyes" ]]; then
404	>	have_mach_vm=yes
405	>	fi
406	>	AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm")
407	>
408	>	dnl Check that vm_allocate(), vm_protect() work
409	>	if [[ "x$have_mach_vm" = "xyes" ]]; then
410	>
411	>	AC_CACHE_CHECK("whether vm_protect works",
412	>	ac_cv_vm_protect_works, [
413	>	AC_LANG_SAVE
414	>	AC_LANG_CPLUSPLUS
415	>	ac_cv_vm_protect_works=yes
416	>	dnl First the tests that should segfault
417	>	for test_def in NONE_READ NONE_WRITE READ_WRITE; do
418	>	AC_TRY_RUN([
419	>	#define CONFIGURE_TEST_VM_MAP
420	>	#define TEST_VM_PROT_$test_def
421	>	#include "vm_alloc.cpp"
422	>	], ac_cv_vm_protect_works=no, rm -f core,
423	>	dnl When cross-compiling, do not assume anything
424	>	ac_cv_vm_protect_works="guessing no"
425	>	)
426	>	done
427	>	AC_TRY_RUN([
428	>	#define CONFIGURE_TEST_VM_MAP
429	>	#define TEST_VM_PROT_RDWR_WRITE
430	>	#include "vm_alloc.cpp"
431	>	], , ac_cv_vm_protect_works=no,
432	>	dnl When cross-compiling, do not assume anything
433	>	ac_cv_vm_protect_works="guessing no"
434	>	)
435	>	AC_LANG_RESTORE
436	>	]
437	>	)
438	>
439	>	dnl Remove support for vm_allocate() if vm_protect() does not work
440	>	if [[ "x$have_mach_vm" = "xyes" ]]; then
441	>	case $ac_cv_vm_protect_works in
442	>	*yes) have_mach_vm=yes;;
443	>	*no) have_mach_vm=no;;
444		esac
445	<	if [[ "x$WANT_UI" = "xyes" ]]; then
446	<	SYSSRCS="$SYSSRCS prefs_editor_gtk.cpp"
447	<	else
448	<	SYSSRCS="$SYSSRCS ../dummy/prefs_editor_dummy.cpp"
445	>	fi
446	>	AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm")
447	>
448	>	fi dnl HAVE_MACH_VM
449	>
450	>	dnl Various checks if the system supports mmap() and the like functions.
451	>	dnl ... and Mach memory allocators are not supported
452	>	have_mmap_vm=no
453	>	if [[ "x$ac_cv_func_mmap" = "xyes" -a "x$ac_cv_func_munmap" = "xyes" -a \
454	>	"x$ac_cv_func_mprotect" = "xyes" ]]; then
455	>	if [[ "x$have_mach_vm" = "xno" ]]; then
456	>	have_mmap_vm=yes
457		fi
458		fi
459	<	if [[ "x$SEMSRCS" != "x" ]]; then
460	<	SYSSRCS="$SYSSRCS $SEMSRCS"
459	>	AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, "$have_mmap_vm")
460	>
461	>	dnl Check that mmap() and associated functions work.
462	>	if [[ "x$have_mmap_vm" = "xyes" ]]; then
463	>
464	>	dnl Check if we have a working anonymous mmap()
465	>	AC_CACHE_CHECK("whether mmap supports MAP_ANON",
466	>	ac_cv_mmap_anon, [
467	>	AC_LANG_SAVE
468	>	AC_LANG_CPLUSPLUS
469	>	AC_TRY_RUN([
470	>	#define HAVE_MMAP_ANON
471	>	#define CONFIGURE_TEST_VM_MAP
472	>	#define TEST_VM_MMAP_ANON
473	>	#include "vm_alloc.cpp"
474	>	], ac_cv_mmap_anon=yes, ac_cv_mmap_anon=no,
475	>	dnl When cross-compiling, do not assume anything.
476	>	ac_cv_mmap_anon="guessing no"
477	>	)
478	>	AC_LANG_RESTORE
479	>	]
480	>	)
481	>	AC_TRANSLATE_DEFINE(HAVE_MMAP_ANON, "$ac_cv_mmap_anon")
482	>
483	>	AC_CACHE_CHECK("whether mmap supports MAP_ANONYMOUS",
484	>	ac_cv_mmap_anonymous, [
485	>	AC_LANG_SAVE
486	>	AC_LANG_CPLUSPLUS
487	>	AC_TRY_RUN([
488	>	#define HAVE_MMAP_ANONYMOUS
489	>	#define CONFIGURE_TEST_VM_MAP
490	>	#define TEST_VM_MMAP_ANON
491	>	#include "vm_alloc.cpp"
492	>	], ac_cv_mmap_anonymous=yes, ac_cv_mmap_anonymous=no,
493	>	dnl When cross-compiling, do not assume anything.
494	>	ac_cv_mmap_anonymous="guessing no"
495	>	)
496	>	AC_LANG_RESTORE
497	>	]
498	>	)
499	>	AC_TRANSLATE_DEFINE(HAVE_MMAP_ANONYMOUS, "$ac_cv_mmap_anonymous")
500	>
501	>	AC_CACHE_CHECK("whether mprotect works",
502	>	ac_cv_mprotect_works, [
503	>	AC_LANG_SAVE
504	>	AC_LANG_CPLUSPLUS
505	>	ac_cv_mprotect_works=yes
506	>	dnl First the tests that should segfault
507	>	for test_def in NONE_READ NONE_WRITE READ_WRITE; do
508	>	AC_TRY_RUN([
509	>	#define CONFIGURE_TEST_VM_MAP
510	>	#define TEST_VM_PROT_$test_def
511	>	#include "vm_alloc.cpp"
512	>	], ac_cv_mprotect_works=no, rm -f core,
513	>	dnl When cross-compiling, do not assume anything
514	>	ac_cv_mprotect_works="guessing no"
515	>	)
516	>	done
517	>	AC_TRY_RUN([
518	>	#define CONFIGURE_TEST_VM_MAP
519	>	#define TEST_VM_PROT_RDWR_WRITE
520	>	#include "vm_alloc.cpp"
521	>	], , ac_cv_mprotect_works=no,
522	>	dnl When cross-compiling, do not assume anything
523	>	ac_cv_mprotect_works="guessing no"
524	>	)
525	>	AC_LANG_RESTORE
526	>	]
527	>	)
528	>
529	>	dnl Remove support for mmap() if mprotect() does not work
530	>	if [[ "x$have_mmap_vm" = "xyes" ]]; then
531	>	case $ac_cv_mprotect_works in
532	>	*yes) have_mmap_vm=yes;;
533	>	*no) have_mmap_vm=no;;
534	>	esac
535		fi
536	+	AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_mmap_vm)
537
538	<	dnl Defaults for UAE CPU.
178	<	CPUINCLUDES="-I../uae_cpu"
179	<	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"
538	>	fi dnl HAVE_MMAP_VM
539
540	<	dnl Check for i386.
541	<	HAVE_I386=no
542	<	AC_MSG_CHECKING(for x86 target CPU)
543	<	AC_EGREP_CPP(yes,
544	<	[
545	<	#ifdef __i386__
546	<	yes
547	<	#endif
548	<	], [AC_MSG_RESULT(yes); HAVE_I386=yes], AC_MSG_RESULT(no))
540	>	dnl Check if we can mmap 0x2000 bytes from 0x0000
541	>	AC_CACHE_CHECK("whether we can map Low Memory area 0x0000-0x2000",
542	>	ac_cv_can_map_lm, [
543	>	AC_LANG_SAVE
544	>	AC_LANG_CPLUSPLUS
545	>	AC_TRY_RUN([
546	>	#include "vm_alloc.cpp"
547	>	int main(void) { /* returns 0 if we could map the lowmem globals */
548	>	volatile char * lm;
549	>	if (vm_init() < 0) exit(1);
550	>	if ((lm = (volatile char *)vm_acquire_fixed(0, 0x2000)) == VM_MAP_FAILED) exit(1);
551	>	lm[0] = 'z';
552	>	if (vm_release((char *)lm, 0x2000) < 0) exit(1);
553	>	vm_exit(); exit(0);
554	>	}
555	>	], ac_cv_can_map_lm=yes, ac_cv_can_map_lm=no,
556	>	dnl When cross-compiling, do not assume anything.
557	>	ac_cv_can_map_lm="guessing no"
558	>	)
559	>	AC_LANG_RESTORE
560	>	]
561	>	)
562	>
563	>	dnl Check signal handlers need to be reinstalled
564	>	AC_CACHE_CHECK("whether signal handlers need to be reinstalled",
565	>	ac_cv_signal_need_reinstall, [
566	>	AC_LANG_SAVE
567	>	AC_LANG_CPLUSPLUS
568	>	AC_TRY_RUN([
569	>	#include <stdlib.h>
570	>	#ifdef HAVE_UNISTD_H
571	>	#include <unistd.h>
572	>	#endif
573	>	#include <signal.h>
574	>	static int handled_signal = 0;
575	>	RETSIGTYPE sigusr1_handler(int) { handled_signal++; }
576	>	int main(void) { /* returns 0 if signals need not to be reinstalled */
577	>	signal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
578	>	exit(handled_signal == 2);
579	>	}
580	>	], ac_cv_signal_need_reinstall=yes, ac_cv_signal_need_reinstall=no,
581	>	dnl When cross-compiling, do not assume anything.
582	>	ac_cv_signal_need_reinstall="guessing yes"
583	>	)
584	>	AC_LANG_RESTORE
585	>	]
586	>	)
587	>	AC_TRANSLATE_DEFINE(SIGNAL_NEED_REINSTALL, "$ac_cv_signal_need_reinstall")
588	>
589	>	dnl Check if sigaction handlers need to be reinstalled
590	>	AC_CACHE_CHECK("whether sigaction handlers need to be reinstalled",
591	>	ac_cv_sigaction_need_reinstall, [
592	>	AC_LANG_SAVE
593	>	AC_LANG_CPLUSPLUS
594	>	AC_TRY_RUN([
595	>	#include <stdlib.h>
596	>	#ifdef HAVE_UNISTD_H
597	>	#include <unistd.h>
598	>	#endif
599	>	#include <signal.h>
600	>	static int handled_signal = 0;
601	>	RETSIGTYPE sigusr1_handler(int) { handled_signal++; }
602	>	typedef RETSIGTYPE (*signal_handler)(int);
603	>	static signal_handler mysignal(int sig, signal_handler handler) {
604	>	struct sigaction old_sa;
605	>	struct sigaction new_sa;
606	>	new_sa.sa_handler = handler;
607	>	return ((sigaction(sig,&new_sa,&old_sa) < 0) ? SIG_IGN : old_sa.sa_handler);
608	>	}
609	>	int main(void) { /* returns 0 if signals need not to be reinstalled */
610	>	mysignal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
611	>	exit(handled_signal == 2);
612	>	}
613	>	], ac_cv_sigaction_need_reinstall=yes, ac_cv_sigaction_need_reinstall=no,
614	>	dnl When cross-compiling, do not assume anything.
615	>	ac_cv_sigaction_need_reinstall="guessing yes"
616	>	)
617	>	AC_LANG_RESTORE
618	>	]
619	>	)
620	>	AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall")
621	>
622	>	dnl Check if extended signals are supported.
623	>	AC_CACHE_CHECK("whether your system supports extended signal handlers",
624	>	ac_cv_have_extended_signals, [
625	>	AC_LANG_SAVE
626	>	AC_LANG_CPLUSPLUS
627	>	AC_TRY_RUN([
628	>	#define HAVE_SIGINFO_T 1
629	>	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
630	>	#include "vm_alloc.cpp"
631	>	#include "sigsegv.cpp"
632	>	], ac_cv_have_extended_signals=yes, ac_cv_have_extended_signals=no,
633	>	dnl When cross-compiling, do not assume anything.
634	>	ac_cv_have_extended_signals=no
635	>	)
636	>	AC_LANG_RESTORE
637	>	]
638	>	)
639	>	AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals")
640	>
641	>	dnl Otherwise, check for subterfuges.
642	>	if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
643	>	AC_CACHE_CHECK("whether we then have a subterfuge for your system",
644	>	ac_cv_have_sigcontext_hack, [
645	>	AC_LANG_SAVE
646	>	AC_LANG_CPLUSPLUS
647	>	AC_TRY_RUN([
648	>	#define HAVE_SIGCONTEXT_SUBTERFUGE 1
649	>	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
650	>	#include "vm_alloc.cpp"
651	>	#include "sigsegv.cpp"
652	>	], ac_cv_have_sigcontext_hack=yes, ac_cv_have_sigcontext_hack=no,
653	>	dnl When cross-compiling, do not assume anything.
654	>	ac_cv_have_sigcontext_hack=no
655	>	)
656	>	AC_LANG_RESTORE
657	>	])
658	>	AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, "$ac_cv_have_sigcontext_hack")
659	>	fi
660	>
661	>	dnl Check if we can ignore the fault (instruction skipping in SIGSEGV handler)
662	>	AC_CACHE_CHECK("whether we can skip instruction in SIGSEGV handler",
663	>	ac_cv_have_skip_instruction, [
664	>	AC_LANG_SAVE
665	>	AC_LANG_CPLUSPLUS
666	>	AC_TRY_RUN([
667	>	#define HAVE_SIGSEGV_SKIP_INSTRUCTION 1
668	>	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
669	>	#include "vm_alloc.cpp"
670	>	#include "sigsegv.cpp"
671	>	], ac_cv_have_skip_instruction=yes, ac_cv_have_skip_instruction=no,
672	>	dnl When cross-compiling, do not assume anything.
673	>	ac_cv_have_skip_instruction=no
674	>	)
675	>	AC_LANG_RESTORE
676	>	]
677	>	)
678	>	AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_INSTRUCTION, "$ac_cv_have_skip_instruction")
679
680	<	dnl Check for GAS
680	>	dnl Can we do Video on SEGV Signals ?
681	>	CAN_VOSF=no
682	>	if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
683	>	CAN_VOSF=yes
684	>	fi
685	>
686	>	dnl Determine the addressing mode to use
687	>	if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
688	>	ADDRESSING_MODE="real"
689	>	else
690	>	ADDRESSING_MODE=""
691	>	AC_MSG_CHECKING([for the addressing mode to use])
692	>	for am in $ADDRESSING_TEST_ORDER; do
693	>	case $am in
694	>	real)
695	>	dnl Requires ability to mmap() Low Memory globals
696	>	if [[ "x$ac_cv_can_map_lm" = "xno" ]]; then
697	>	continue
698	>	fi
699	>	dnl Requires VOSF screen updates
700	>	if [[ "x$CAN_VOSF" = "xno" ]]; then
701	>	continue
702	>	fi
703	>	dnl Real addressing will probably work.
704	>	ADDRESSING_MODE="real"
705	>	WANT_VOSF=yes dnl we can use VOSF and we need it actually
706	>	DEFINES="$DEFINES -DREAL_ADDRESSING"
707	>	break
708	>	;;
709	>	direct)
710	>	dnl Requires VOSF screen updates
711	>	if [[ "x$CAN_VOSF" = "xyes" ]]; then
712	>	ADDRESSING_MODE="direct"
713	>	WANT_VOSF=yes dnl we can use VOSF and we need it actually
714	>	DEFINES="$DEFINES -DDIRECT_ADDRESSING"
715	>	break
716	>	fi
717	>	;;
718	>	banks)
719	>	dnl Default addressing mode
720	>	ADDRESSING_MODE="memory banks"
721	>	break
722	>	;;
723	>	*)
724	>	AC_MSG_ERROR([Internal configure.in script error for $am addressing mode])
725	>	esac
726	>	done
727	>	AC_MSG_RESULT($ADDRESSING_MODE)
728	>	if [[ "x$ADDRESSING_MODE" = "x" ]]; then
729	>	AC_MSG_WARN([Sorry, no suitable addressing mode in $ADDRESSING_TEST_ORDER])
730	>	ADDRESSING_MODE="memory banks"
731	>	fi
732	>	fi
733	>
734	>	dnl Enable VOSF screen updates with this feature is requested and feasible
735	>	if [[ "x$WANT_VOSF" = "xyes" -a "x$CAN_VOSF" = "xyes" ]]; then
736	>	AC_DEFINE(ENABLE_VOSF)
737	>	else
738	>	WANT_VOSF=no
739	>	fi
740	>
741	>	dnl Check for GAS.
742		HAVE_GAS=no
743		AC_MSG_CHECKING(for GAS .p2align feature)
744		cat >conftest.S << EOF
#	Line 198 | Line 748 | EOF
748		if $CC conftest.S -c -o conftest.o >/dev/null 2>&1 ; then HAVE_GAS=yes; fi
749		AC_MSG_RESULT($HAVE_GAS)
750
751	<	dnl Check for GCC 2.7 or higher
751	>	dnl Check for GCC 2.7 or higher.
752		HAVE_GCC27=no
753		AC_MSG_CHECKING(for GCC 2.7 or higher)
754		AC_EGREP_CPP(yes,
#	Line 207 | Line 757 | AC_EGREP_CPP(yes,
757		#endif
758		], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
759
760	<	dnl Set "-fomit-frame-pointer" on GCC
761	<	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
760	>	dnl Check for GCC 3.0 or higher.
761	>	HAVE_GCC30=no
762	>	AC_MSG_CHECKING(for GCC 3.0 or higher)
763	>	AC_EGREP_CPP(yes,
764	>	[#if __GNUC__ >= 3
765	>	yes
766	>	#endif
767	>	], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
768	>
769	>	dnl Set "-fomit-frame-pointer" on i386 GCC 2.7 or higher.
770	>	dnl Also set "-fno-exceptions" for C++ because exception handling requires
771	>	dnl the frame pointer.
772	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
773		CFLAGS="$CFLAGS -fomit-frame-pointer"
774	<	CXXFLAGS="$CXXFLAGS -fomit-frame-pointer"
774	>	CXXFLAGS="$CXXFLAGS -fomit-frame-pointer -fno-exceptions"
775		fi
776
777	<	dnl Select appropriate CPU source and REGPARAM define
778	<	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
777	>	dnl (gb) Do not merge constants since it breaks fpu/fpu_x86.cpp.
778	>	dnl As of 2001/08/02, this affects the following compilers:
779	>	dnl Official: probably gcc-3.1 (mainline CVS)
780	>	dnl Mandrake: gcc-2.96 >= 0.59mdk, gcc-3.0.1 >= 0.1mdk
781	>	dnl Red Hat : gcc-2.96 >= 89, gcc-3.0 >= 1
782	>	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
783	>	SAVED_CXXFLAGS="$CXXFLAGS"
784	>	CXXFLAGS="$CXXFLAGS -fno-merge-constants"
785	>	AC_CACHE_CHECK([whether GCC supports constants merging], ac_cv_gcc_constants_merging, [
786	>	AC_LANG_SAVE
787	>	AC_LANG_CPLUSPLUS
788	>	AC_TRY_COMPILE([],[],[ac_cv_gcc_constants_merging=yes],[ac_cv_gcc_constants_merging=no])
789	>	AC_LANG_RESTORE
790	>	])
791	>	if [[ "x$ac_cv_gcc_constants_merging" != "xyes" ]]; then
792	>	CXXFLAGS="$SAVED_CXXFLAGS"
793	>	fi
794	>	fi
795	>
796	>	dnl Select appropriate CPU source and REGPARAM define.
797	>	ASM_OPTIMIZATIONS=none
798	>	CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
799	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" -a "x$OS_TYPE" != "xfreebsd" ]]; then
800	>	dnl i386 CPU
801		DEFINES="$DEFINES -DREGPARAM=\"__attribute__((regparm(3)))\""
802		if [[ "x$HAVE_GAS" = "xyes" ]]; then
803	<	DEFINES="$DEFINES -DX86_ASSEMBLY"
804	<	CPUSRCS="$CPUSRCS cpufast.s"
805	<	else
223	<	CPUSRCS="$CPUSRCS cpuemu.cpp"
803	>	ASM_OPTIMIZATIONS=i386
804	>	DEFINES="$DEFINES -DX86_ASSEMBLY -DUNALIGNED_PROFITABLE -DOPTIMIZED_FLAGS"
805	>	CPUSRCS="cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s"
806		fi
807	<	else
808	<	CPUSRCS="$CPUSRCS cpuemu.cpp"
807	>	elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
808	>	dnl SPARC CPU
809	>	case "$target_os" in
810	>	solaris*)
811	>	AC_MSG_CHECKING(SPARC CPU architecture)
812	>	SPARC_TYPE=`Solaris/which_sparc`
813	>	AC_MSG_RESULT($SPARC_TYPE)
814	>	case "$SPARC_TYPE" in
815	>	SPARC_V8)
816	>	ASM_OPTIMIZATIONS="SPARC V8 architecture"
817	>	DEFINES="$DEFINES -DSPARC_V8_ASSEMBLY" dnl -DOPTIMIZED_FLAGS"
818	>	CFLAGS="$CFLAGS -Wa,-Av8"
819	>	CXXFLAGS="$CXXFLAGS -Wa,-Av8"
820	>	;;
821	>	SPARC_V9)
822	>	ASM_OPTIMIZATIONS="SPARC V9 architecture"
823	>	DEFINES="$DEFINES -DSPARC_V9_ASSEMBLY" dnl -DOPTIMIZED_FLAGS"
824	>	CFLAGS="$CFLAGS -Wa,-Av9"
825	>	CXXFLAGS="$CXXFLAGS -Wa,-Av9"
826	>	;;
827	>	esac
828	>	;;
829	>	esac
830	>	elif [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
831	>	dnl Native m68k, no emulation
832	>	CPUINCLUDES="-I../native_cpu"
833	>	CPUSRCS="asm_support.s"
834	>	fi
835	>
836	>	dnl Utility macro used by next two tests.
837	>	dnl AC_EXAMINE_OBJECT(C source code,
838	>	dnl     commands examining object file,
839	>	dnl     [commands to run if compile failed]):
840	>	dnl
841	>	dnl Compile the source code to an object file; then convert it into a
842	>	dnl printable representation.  All unprintable characters and
843	>	dnl asterisks (*) are replaced by dots (.).  All white space is
844	>	dnl deleted.  Newlines (ASCII 0x10) in the input are preserved in the
845	>	dnl output, but runs of newlines are compressed to a single newline.
846	>	dnl Finally, line breaks are forcibly inserted so that no line is
847	>	dnl longer than 80 columns and the file ends with a newline.  The
848	>	dnl result of all this processing is in the file conftest.dmp, which
849	>	dnl may be examined by the commands in the second argument.
850	>	dnl
851	>	AC_DEFUN([gcc_AC_EXAMINE_OBJECT],
852	>	[AC_LANG_SAVE
853	>	AC_LANG_C
854	>	dnl Next bit cribbed from AC_TRY_COMPILE.
855	>	cat > conftest.$ac_ext <<EOF
856	>	[#line __oline__ "configure"
857	>	#include "confdefs.h"
858	>	$1
859	>	]EOF
860	>	if AC_TRY_EVAL(ac_compile); then
861	>	od -c conftest.o |
862	>	sed ['s/^[0-7]*[    ]*/ /
863	>	s/\*/./g
864	>	s/ \\n/*/g
865	>	s/ [0-9][0-9][0-9]/./g
866	>	s/  \\[^ ]/./g'] |
867	>	tr -d '
868	>	' | tr -s '*' '
869	>	' | fold | sed '$a\
870	>	' > conftest.dmp
871	>	$2
872	>	ifelse($3, , , else
873	>	$3
874	>	)dnl
875	>	fi
876	>	rm -rf conftest*
877	>	AC_LANG_RESTORE])
878	>
879	>	dnl Floating point format probe.
880	>	dnl The basic concept is the same as the above: grep the object
881	>	dnl file for an interesting string.  We have to watch out for
882	>	dnl rounding changing the values in the object, however; this is
883	>	dnl handled by ignoring the least significant byte of the float.
884	>	dnl
885	>	dnl Does not know about VAX G-float or C4x idiosyncratic format.
886	>	dnl It does know about PDP-10 idiosyncratic format, but this is
887	>	dnl not presently supported by GCC.  S/390 "binary floating point"
888	>	dnl is in fact IEEE (but maybe we should have that in EBCDIC as well
889	>	dnl as ASCII?)
890	>	dnl
891	>	AC_DEFUN([gcc_AC_C_FLOAT_FORMAT],
892	>	[AC_CACHE_CHECK(floating point format, ac_cv_c_float_format,
893	>	[gcc_AC_EXAMINE_OBJECT(
894	>	[/* This will not work unless sizeof(double) == 8.  */
895	>	extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1];
896	>
897	>	/* This structure must have no internal padding.  */
898	>	struct possibility {
899	>	char prefix[8];
900	>	double candidate;
901	>	char postfix[8];
902	>	};
903	>
904	>	#define C(cand) { "\nformat:", cand, ":tamrof\n" }
905	>	struct possibility table [] =
906	>	{
907	>	C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */
908	>	C( 3.53802595280598432000e+18), /* D__float - VAX */
909	>	C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */
910	>	C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */
911	>	C(-5.22995989424860458374e+10)  /* IBMHEXFP - s/390 format, EBCDIC */
912	>	};],
913	>	[if   grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then
914	>	ac_cv_c_float_format='IEEE (big-endian)'
915	>	elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then
916	>	ac_cv_c_float_format='IEEE (big-endian)'
917	>	elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then
918	>	ac_cv_c_float_format='IEEE (little-endian)'
919	>	elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then
920	>	ac_cv_c_float_format='IEEE (little-endian)'
921	>	elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then
922	>	ac_cv_c_float_format='VAX D-float'
923	>	elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then
924	>	ac_cv_c_float_format='PDP-10'
925	>	elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then
926	>	ac_cv_c_float_format='IBM 370 hex'
927	>	else
928	>	AC_MSG_ERROR(Unknown floating point format)
929	>	fi],
930	>	[AC_MSG_ERROR(compile failed)])
931	>	])
932	>	# IEEE is the default format.  If the float endianness isn't the same
933	>	# as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN
934	>	# (which is a tristate: yes, no, default).  This is only an issue with
935	>	# IEEE; the other formats are only supported by a few machines each,
936	>	# all with the same endianness.
937	>	format=IEEE_FLOAT_FORMAT
938	>	fbigend=
939	>	case $ac_cv_c_float_format in
940	>	'IEEE (big-endian)' )
941	>	if test $ac_cv_c_bigendian = no; then
942	>	fbigend=1
943	>	fi
944	>	;;
945	>	'IEEE (little-endian)' )
946	>	if test $ac_cv_c_bigendian = yes; then
947	>	fbigend=0
948	>	fi
949	>	;;
950	>	'VAX D-float' )
951	>	format=VAX_FLOAT_FORMAT
952	>	;;
953	>	'PDP-10' )
954	>	format=PDP10_FLOAT_FORMAT
955	>	;;
956	>	'IBM 370 hex' )
957	>	format=IBM_FLOAT_FORMAT
958	>	;;
959	>	esac
960	>	AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format,
961	>	[Define to the floating point format of the host machine.])
962	>	if test -n "$fbigend"; then
963	>	AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend,
964	>	[Define to 1 if the host machine stores floating point numbers in
965	>	memory with the word containing the sign bit at the lowest address,
966	>	or to 0 if it does it the other way around.
967	>
968	>	This macro should not be defined if the ordering is the same as for
969	>	multi-word integers.])
970	>	fi
971	>	])
972	>
973	>	dnl Select appropriate FPU source.
974	>	gcc_AC_C_FLOAT_FORMAT
975	>	AC_CHECK_HEADERS(ieee754.h ieeefp.h floatingpoint.h nan.h)
976	>
977	>	for fpe in $FPE_CORE_TEST_ORDER; do
978	>	case $fpe in
979	>	ieee)
980	>	if echo "$ac_cv_c_float_format" | grep -q IEEE; then
981	>	FPE_CORE="IEEE fpu core"
982	>	DEFINES="$DEFINES -DFPU_IEEE"
983	>	FPUSRCS="../uae_cpu/fpu/fpu_ieee.cpp"
984	>	break
985	>	fi
986	>	;;
987	>	x86)
988	>	if [[ ":$HAVE_GCC27:$HAVE_I386:$HAVE_GAS:" = ":yes:yes:yes:" ]]; then
989	>	FPE_CORE="i387 fpu core"
990	>	DEFINES="$DEFINES -DFPU_X86"
991	>	FPUSRCS="../uae_cpu/fpu/fpu_x86.cpp"
992	>	break
993	>	fi
994	>	;;
995	>	uae)
996	>	FPE_CORE="uae fpu core"
997	>	DEFINES="$DEFINES -DFPU_UAE"
998	>	FPUSRCS="../uae_cpu/fpu/fpu_uae.cpp"
999	>	break
1000	>	;;
1001	>	*)
1002	>	AC_MSG_ERROR([Internal configure.in script error for $fpe fpu core])
1003	>	;;
1004	>	esac
1005	>	done
1006	>	if [[ "x$FPE_CORE" = "x" ]]; then
1007	>	AC_MSG_ERROR([Sorry, no suitable FPU core found in $FPE_CORE_TEST_ORDER])
1008		fi
1009
1010	<	dnl Generate Makefile
1010	>	dnl Check for certain math functions
1011	>	AC_CHECK_FUNCS(atanh)
1012	>	AC_CHECK_FUNCS(isnan isinf)             dnl C99
1013	>	AC_CHECK_FUNCS(isnanl isinfl)   dnl IEEE ?
1014	>
1015	>	dnl UAE CPU sources for all non-m68k-native architectures.
1016	>	if [[ "x$WANT_NATIVE_M68K" = "xno" ]]; then
1017	>	CPUINCLUDES="-I../uae_cpu"
1018	>	CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp $FPUSRCS cpustbl.cpp cpudefs.cpp $CPUSRCS"
1019	>	fi
1020	>
1021	>	dnl Remove the "-g" option if set for GCC.
1022	>	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
1023	>	CFLAGS=`echo $CFLAGS | sed -e 's/-g//g'`
1024	>	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/-g//g'`
1025	>	fi
1026	>
1027	>	dnl Or if we have -Ofast
1028	>	if [[ "x$HAVE_OFAST" = "xyes" ]]; then
1029	>	CFLAGS="`echo $CFLAGS | sed -e 's/-g//g'` -Ofast"
1030	>	CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-g//g'` -Ofast"
1031	>	CXXFLAGS="-LANG:std $CXXFLAGS"
1032	>	LDFLAGS="$LDFLAGS -ipa"
1033	>	fi
1034	>
1035	>	dnl Generate Makefile.
1036		AC_SUBST(DEFINES)
231	–	AC_SUBST(STATICLIBS)
1037		AC_SUBST(SYSSRCS)
1038		AC_SUBST(CPUINCLUDES)
1039		AC_SUBST(CPUSRCS)
1040		AC_OUTPUT(Makefile)
1041	<	echo "Configuration done. Now type \"make\"."
1041	>
1042	>	dnl Print summary.
1043	>	echo
1044	>	echo Basilisk II configuration summary:
1045	>	echo
1046	>	echo XFree86 DGA support .................... : $WANT_XF86_DGA
1047	>	echo XFree86 VidMode support ................ : $WANT_XF86_VIDMODE
1048	>	echo fbdev DGA support ...................... : $WANT_FBDEV_DGA
1049	>	echo Enable video on SEGV signals ........... : $WANT_VOSF
1050	>	echo ESD sound support ...................... : $WANT_ESD
1051	>	echo GTK user interface ..................... : $WANT_GTK
1052	>	echo mon debugger support ................... : $WANT_MON
1053	>	echo Running m68k code natively ............. : $WANT_NATIVE_M68K
1054	>	echo Floating-Point emulation core .......... : $FPE_CORE
1055	>	echo Assembly optimizations ................. : $ASM_OPTIMIZATIONS
1056	>	echo Addressing mode ........................ : $ADDRESSING_MODE
1057	>	echo
1058	>	echo "Configuration done. Now type \"make\" (or \"gmake\")."

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