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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 1.61 by cebix, 2002-07-31T16:46:14Z

#	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=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	>	darwin*)      OS_TYPE=darwin;;
56	>	*)            OS_TYPE=`echo $target_os | sed -e 's/-/_/g' | sed -e 's/\./_/g'`;;
57	>	esac
58	>	DEFINES="$DEFINES -DOS_$OS_TYPE"
59	>
60	>	dnl Target CPU type.
61	>	HAVE_I386=no
62	>	HAVE_M68K=no
63	>	HAVE_SPARC=no
64	>	HAVE_POWERPC=no
65	>	case "$target_cpu" in
66	>	i386* | i486* | i586* | i686* | i786* ) CPU_TYPE=i386 HAVE_I386=yes;;
67	>	m68k* ) CPU_TYPE=m68k HAVE_M68K=yes;;
68	>	sparc* ) CPU_TYPE=sparc HAVE_SPARC=yes;;
69	>	powerpc* ) CPU_TYPE=powerpc HAVE_POWERPC=yes;;
70	>	*) CPU_TYPE=`echo $target_cpu | sed -e 's/-/_/g'`;;
71	>	esac
72	>	DEFINES="$DEFINES -DCPU_$CPU_TYPE"
73
74		dnl Checks for programs.
75		AC_PROG_CC
76	<	AC_PROG_CXX
76	>	AC_PROG_CC_C_O
77		AC_PROG_CPP
78	+	AC_PROG_CXX
79		AC_PROG_MAKE_SET
80		AC_PROG_INSTALL
81
82	+	dnl We use mon if possible.
83	+	MONSRCS=
84	+	if [[ "x$WANT_MON" = "xyes" ]]; then
85	+	AC_MSG_CHECKING(for mon)
86	+	mon_srcdir=../../../mon/src
87	+	if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
88	+	AC_MSG_RESULT(yes)
89	+	AC_DEFINE(ENABLE_MON)
90	+	MONSRCS="$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 $mon_srcdir/disass/m68k-opc.c"
91	+	CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass"
92	+	AC_CHECK_LIB(ncurses, tgetent, ,
93	+	AC_CHECK_LIB(termcap, tgetent, ,
94	+	AC_CHECK_LIB(termlib, tgetent, ,
95	+	AC_CHECK_LIB(terminfo, tgetent, ,
96	+	AC_CHECK_LIB(Hcurses, tgetent, ,
97	+	AC_CHECK_LIB(curses, tgetent))))))
98	+	AC_CHECK_LIB(readline, readline)
99	+	AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
100	+	else
101	+	AC_MSG_RESULT(no)
102	+	AC_MSG_WARN([Could not find mon, ignoring --with-mon.])
103	+	WANT_MON=no
104	+	fi
105	+	fi
106	+
107		dnl Checks for libraries.
108	+	AC_CHECK_LIB(posix4, sem_init)
109	+	AC_CHECK_LIB(rt, timer_create)
110	+
111	+	dnl We need X11.
112		AC_PATH_XTRA
113		if [[ "x$no_x" = "xyes" ]]; then
114		AC_MSG_ERROR([You need X11 to run Basilisk II.])
115		fi
26	–
116		CFLAGS="$CFLAGS $X_CFLAGS"
117		CXXFLAGS="$CXXFLAGS $X_CFLAGS"
118		LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
30	–	STATICLIBS=
119
120	<	dnl We need pthreads.
121	<	AC_CHECK_LIB(pthread, pthread_create, HAVE_PTHREADS=yes, HAVE_PTHREADS=no)
122	<	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
123	<	dnl Check even the libc_r (FreeBSD)
124	<	AC_CHECK_LIB(c_r, pthread_create, HAVE_PTHREADS=yes, HAVE_PTHREADS=no)
125	<	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
126	<	AC_MSG_ERROR([You need libpthreads to run Basilisk II.])
127	<	else
128	<	LIBS="$LIBS -lc_r"
129	<	fi
130	<	else
43	<	LIBS="$LIBS -lpthread"
120	>	dnl We want pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL.
121	>	HAVE_PTHREADS=yes
122	>	AC_CHECK_LIB(pthread, pthread_create, , [
123	>	AC_CHECK_LIB(c_r, pthread_create, , [
124	>	AC_CHECK_LIB(PTL, pthread_create, , [
125	>	HAVE_PTHREADS=no
126	>	])
127	>	])
128	>	])
129	>	if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
130	>	AC_DEFINE(HAVE_PTHREADS)
131		fi
132		AC_CHECK_FUNCS(pthread_cancel)
133	+	AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
134	+	AC_CHECK_FUNCS(pthread_mutexattr_settype)
135
136	<	dnl We use DGA if possible.
137	<	if [[ "x$WANT_DGA" = "xyes" ]]; then
138	<	AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, HAVE_DGA=yes, HAVE_DGA=no)
139	<	if [[ "x$HAVE_DGA" = "xno" ]]; then
140	<	AC_MSG_WARN([Could not find DGA extension, ignoring --enable-dga.])
52	<	else
53	<	DEFINES="$DEFINES -DENABLE_DGA=1"
54	<	LIBS="$LIBS -lXxf86dga"
136	>	dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
137	>	SEMSRC=
138	>	AC_CHECK_FUNCS(sem_init, , [
139	>	if test "x$HAVE_PTHREADS" = "xyes"; then
140	>	SEMSRC=posix_sem.cpp
141		fi
142	+	])
143	+
144	+	dnl We use DGA (XFree86 or fbdev) if possible.
145	+	if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
146	+	AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, [
147	+	AC_DEFINE(ENABLE_XF86_DGA)
148	+	LIBS="$LIBS -lXxf86dga"
149	+	if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
150	+	AC_MSG_WARN([Cannot have both --enable-xf86-dga and --enable-fbdev-dga, ignoring --enable-fbdev-dga.])
151	+	WANT_FBDEV_DGA=no
152	+	fi
153	+	], [
154	+	AC_MSG_WARN([Could not find XFree86 DGA extension, ignoring --enable-xf86-dga.])
155	+	WANT_XF86_DGA=no
156	+	])
157	+	fi
158	+	if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
159	+	AC_DEFINE(ENABLE_FBDEV_DGA)
160	+	fi
161	+
162	+	dnl We use XFree86 VidMode if possible.
163	+	if [[ "x$WANT_XF86_VIDMODE" = "xyes" ]]; then
164	+	AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryExtension, [
165	+	AC_DEFINE(ENABLE_XF86_VIDMODE)
166	+	LIBS="$LIBS -lXxf86vm"
167	+	], [
168	+	AC_MSG_WARN([Could not find XFree86 VidMode extension, ignoring --enable-xf86-vidmode.])
169	+	WANT_XF86_VIDMODE=no
170	+	])
171		fi
172
173		dnl We use GTK+ if possible.
174	<	if [[ "x$WANT_UI" = "xyes" ]]; then
175	<	AM_PATH_GTK(1.2.0)
176	<	if [[ "x$no_gtk" = "xyes" ]]; then
177	<	echo "Did not find gtk+, disabling user interface."
178	<	WANT_UI=no
179	<	GTK_CFLAGS=
180	<	GTK_LIBS=
181	<	else
182	<	DEFINES="$DEFINES -DENABLE_GTK=1"
183	<	fi
184	<	CFLAGS="$CFLAGS $GTK_CFLAGS"
185	<	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
186	<	LIBS="$LIBS $GTK_LIBS"
187	<	fi
188	<
189	<	dnl We need POSIX.4 semaphores (and other POSIX.4 blessings).
190	<	SEMSRCS=
191	<	AC_CHECK_FUNCS(sem_init)
192	<	if [[ "x$ac_cv_func_sem_init" = "xno" ]]; then
193	<	AC_CHECK_LIB(posix4, sem_init, HAVE_LIBPOSIX4=yes, HAVE_LIBPOSIX4=no)
194	<	if [[ "x$HAVE_LIBPOSIX4" = "xno" ]]; then
195	<	dnl Checks for the existance of semget
196	<	AC_CHECK_FUNCS(semget)
197	<	if [[ "x$ac_cv_func_semget" = "xno" ]]; then
198	<	AC_MSG_ERROR([You need POSIX.4 semaphores to run Basilisk II.])
199	<	else
200	<	SEMSRCS="posix_sem.cpp"
201	<	fi
202	<	else
203	<	LIBS="$LIBS -lposix4"
204	<	fi
174	>	UISRCS=../dummy/prefs_editor_dummy.cpp
175	>	if [[ "x$WANT_GTK" = "xyes" ]]; then
176	>	AM_PATH_GTK(1.2.0, [
177	>	AC_DEFINE(ENABLE_GTK)
178	>	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
179	>	LIBS="$LIBS $GTK_LIBS"
180	>	UISRCS=prefs_editor_gtk.cpp
181	>	B2_PATH_GNOMEUI([
182	>	AC_DEFINE(HAVE_GNOMEUI)
183	>	CXXFLAGS="$CXXFLAGS $GNOMEUI_CFLAGS"
184	>	LIBS="$LIBS $GNOMEUI_LIBS"
185	>	], [])
186	>	], [
187	>	AC_MSG_WARN([Could not find GTK+, disabling user interface.])
188	>	WANT_GTK=no
189	>	])
190	>	fi
191	>
192	>	dnl We use ESD if possible.
193	>	if [[ "x$WANT_ESD" = "xyes" ]]; then
194	>	AM_PATH_ESD(0.2.8, [
195	>	AC_DEFINE(ENABLE_ESD)
196	>	CFLAGS="$CFLAGS $ESD_CFLAGS"
197	>	CXXFLAGS="$CXXFLAGS $ESD_CFLAGS"
198	>	LIBS="$LIBS $ESD_LIBS"
199	>	], [
200	>	AC_MSG_WARN([Could not find ESD, disabling ESD support.])
201	>	WANT_ESD=no
202	>	])
203	>	fi
204	>
205	>	dnl We use 64-bit file size support if possible.
206	>	dnl FIXME: Use AC_SYS_LARGEFILE from autoconf 2.5+
207	>	if [[ "x$OS_TYPE" = "xlinux" ]]; then
208	>	AC_DEFINE(_USE_LARGEFILE_SOURCE, 1, [Get more functions for correct standard I/O])
209	>	AC_DEFINE(_FILE_OFFSET_BITS, 64, [Get 64-bit file size support])
210		fi
211
212		dnl Checks for header files.
213		AC_HEADER_STDC
214	<	AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h)
214	>	AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h sys/mman.h)
215
216		dnl Checks for typedefs, structures, and compiler characteristics.
217		AC_C_BIGENDIAN
#	Line 101 | Line 221 | AC_CHECK_SIZEOF(short, 2)
221		AC_CHECK_SIZEOF(int, 4)
222		AC_CHECK_SIZEOF(long, 4)
223		AC_CHECK_SIZEOF(long long, 8)
224	+	AC_CHECK_SIZEOF(void *, 4)
225		AC_TYPE_OFF_T
226		AC_CHECK_TYPE(loff_t, off_t)
227	+	AC_CHECK_TYPE(caddr_t, [char *])
228		AC_TYPE_SIZE_T
229	+	AC_TYPE_SIGNAL
230		AC_HEADER_TIME
231		AC_STRUCT_TM
232
233	+	dnl Check whether sys/socket.h defines type socklen_t.
234	+	dnl (extracted from ac-archive/Miscellaneous)
235	+	AC_CACHE_CHECK("for socklen_t",
236	+	ac_cv_type_socklen_t, [
237	+	AC_TRY_COMPILE([
238	+	#include <sys/types.h>
239	+	#include <sys/socket.h>
240	+	], [socklen_t len = 42; return 0;],
241	+	ac_cv_type_socklen_t=yes, ac_cv_type_socklen_t=no,
242	+	dnl When cross-compiling, do not assume anything.
243	+	ac_cv_type_socklen_t="guessing no"
244	+	)
245	+	])
246	+	if [[ "x$ac_cv_type_socklen_t" != "xyes" ]]; then
247	+	AC_DEFINE(socklen_t, int)
248	+	fi
249	+
250		dnl Checks for library functions.
251		AC_CHECK_FUNCS(strdup cfmakeraw)
252	<	AC_CHECK_FUNCS(nanosleep clock_gettime timer_create)
252	>	AC_CHECK_FUNCS(clock_gettime timer_create)
253	>	AC_CHECK_FUNCS(sigaction signal)
254	>	AC_CHECK_FUNCS(mmap mprotect munmap)
255	>	AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
256	>
257	>	dnl Darwin seems to define mach_task_self() instead of task_self().
258	>	AC_CHECK_FUNCS(mach_task_self task_self)
259	>
260	>	dnl Check for headers and functions related to pty support (sshpty.c)
261	>	dnl From openssh-3.2.2p1 configure.ac
262	>
263	>	AC_CHECK_HEADERS(strings.h login.h sys/bsdtty.h sys/stat.h util.h pty.h)
264	>	AC_CHECK_FUNCS(_getpty vhangup strlcpy)
265	>
266	>	case "$host" in
267	>	*-*-hpux10.26)
268	>	disable_ptmx_check=yes
269	>	;;
270	>	*-*-linux*)
271	>	no_dev_ptmx=1
272	>	;;
273	>	mips-sony-bsd|mips-sony-newsos4)
274	>	AC_DEFINE(HAVE_NEWS4)
275	>	;;
276	>	*-*-sco3.2v4*)
277	>	no_dev_ptmx=1
278	>	;;
279	>	*-*-sco3.2v5*)
280	>	no_dev_ptmx=1
281	>	;;
282	>	esac
283	>
284	>	if test -z "$no_dev_ptmx" ; then
285	>	if test "x$disable_ptmx_check" != "xyes" ; then
286	>	AC_CHECK_FILE("/dev/ptmx",
287	>	[
288	>	AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
289	>	have_dev_ptmx=1
290	>	]
291	>	)
292	>	fi
293	>	fi
294	>	AC_CHECK_FILE("/dev/ptc",
295	>	[
296	>	AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
297	>	have_dev_ptc=1
298	>	]
299	>	)
300	>
301	>	dnl (end of code from openssh-3.2.2p1 configure.ac)
302	>
303
304		dnl Select system-dependant source files.
305	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp ../dummy/audio_dummy.cpp"
306	<	if MACHINE=`uname -a 2>/dev/null`; then
307	<	case "$MACHINE" in
308	<	Linux*)
309	<	SYSSRCS="Linux/ether_linux.cpp Linux/scsi_linux.cpp Linux/audio_linux.cpp"
310	<	;;
311	<	FreeBSD*3.*)
312	<	dnl Check for the CAM library
313	<	AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
314	<	if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
315	<	AC_MSG_ERROR([Cannot find libcam for SCSI management.])
305	>	SERIALSRC=serial_unix.cpp
306	>	ETHERSRC=../dummy/ether_dummy.cpp
307	>	SCSISRC=../dummy/scsi_dummy.cpp
308	>	AUDIOSRC=../dummy/audio_dummy.cpp
309	>	EXTRASYSSRCS=
310	>	CAN_NATIVE_M68K=no
311	>	case "$target_os" in
312	>	linux*)
313	>	ETHERSRC=ether_unix.cpp
314	>	AUDIOSRC=audio_oss_esd.cpp
315	>	SCSISRC=Linux/scsi_linux.cpp
316	>	;;
317	>	freebsd*)
318	>	ETHERSRC=ether_unix.cpp
319	>	AUDIOSRC=audio_oss_esd.cpp
320	>	DEFINES="$DEFINES -DBSD_COMP"
321	>	CXXFLAGS="$CXXFLAGS -fpermissive"
322	>	dnl Check for the CAM library
323	>	AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
324	>	if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
325	>	AC_MSG_WARN([Cannot find libcam for SCSI management, disabling SCSI support.])
326	>	else
327	>	dnl Check for the sys kernel includes
328	>	AC_CHECK_HEADER(camlib.h)
329	>	if [[ "x$ac_cv_header_camlib_h" = "xno" ]]; then
330	>	dnl In this case I should fix this thing including a "patch"
331	>	dnl to access directly to the functions in the kernel :) --Orlando
332	>	AC_MSG_WARN([Cannot find includes for CAM library, disabling SCSI support.])
333		else
334	<	dnl Check for the sys kernel includes
128	<	AC_CHECK_HEADER(/sys/cam/cam.h)
129	<	if [[ "x$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"
334	>	SCSISRC=FreeBSD/scsi_freebsd.cpp
335		LIBS="$LIBS -lcam"
336	<	DEFINES="$DEFINES -DBSD_COMP -DCAM"
336	>	DEFINES="$DEFINES -DCAM"
337		fi
338	<	;;
339	<	FreeBSD*)
340	<	dnl Check for the SCSI library
341	<	AC_CHECK_LIB(scsi, scsi_open, HAVE_LIBSCSI=yes, HAVE_LIBSCSI=no)
342	<	if [[ "x$HAVE_LIBSCSI" = "xno" ]]; then
343	<	AC_MSG_ERROR([Cannot find libscsi for SCSI management.])
344	<	else
345	<	dnl Check for the sys kernel includes
346	<	AC_CHECK_HEADER(scsi.h sys/scsiio.h)
347	<	if [[ "x$ac_cv_header_scsi_h" = "xno" ]]; then
348	<	AC_MSG_ERROR([Cannot find includes for the SCSI library.])
349	<	fi
350	<	SYSSRCS="../dummy/ether_dummy.cpp FreeBSD/scsi_freebsd.cpp ../dummy/audio_dummy.cpp"
351	<	LIBS="$LIBS -lscsi"
352	<	DEFINES="$DEFINES -DBSD_COMP"
338	>	fi
339	>	;;
340	>	netbsd*)
341	>	CAN_NATIVE_M68K=yes
342	>	;;
343	>	solaris*)
344	>	AUDIOSRC=Solaris/audio_solaris.cpp
345	>	DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
346	>	;;
347	>	irix*)
348	>	ETHERSRC=ether_unix.cpp
349	>	AUDIOSRC=Irix/audio_irix.cpp
350	>	EXTRASYSSRCS=Irix/unaligned.c
351	>	dnl IRIX headers work fine, but somehow don't define or use "STDC_HEADERS"
352	>	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200 -DSTDC_HEADERS"
353	>	LIBS="$LIBS -laudio"
354	>	WANT_ESD=no
355	>
356	>	dnl Check if our compiler supports -Ofast (MIPSPro)
357	>	HAVE_OFAST=no
358	>	ocflags="$CFLAGS"
359	>	CFLAGS=`echo $CFLAGS | sed -e 's/ -g / -Ofast /;s/^-g /-Ofast /;s/-g$/ -Ofast/;s/^-g$/-Ofast/'`
360	>	AC_MSG_CHECKING(if "-Ofast" works)
361	>	dnl Do a test compile of an empty function
362	>	AC_TRY_COMPILE(,, [AC_MSG_RESULT(yes); HAVE_OFAST=yes], AC_MSG_RESULT(no))
363	>	CFLAGS="$ocflags"
364	>
365	>	;;
366	>	esac
367	>
368	>	dnl Use 68k CPU natively?
369	>	WANT_NATIVE_M68K=no
370	>	if [[ "x$HAVE_M68K" = "xyes" -a "x$CAN_NATIVE_M68K" = "xyes" ]]; then
371	>	AC_DEFINE(ENABLE_NATIVE_M68K)
372	>	WANT_NATIVE_M68K=yes
373	>	fi
374	>
375	>	if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
376	>	dnl Serial, ethernet and audio support needs pthreads
377	>	AC_MSG_WARN([You don't have pthreads, disabling serial, ethernet and audio support.])
378	>	SERIALSRC=../dummy/serial_dummy.cpp
379	>	ETHERSRC=../dummy/ether_dummy.cpp
380	>	AUDIOSRC=../dummy/audio_dummy.cpp
381	>	fi
382	>	SYSSRCS="$SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
383	>
384	>	dnl Define a macro that translates a yesno-variable into a C macro definition
385	>	dnl to be put into the config.h file
386	>	dnl $1 -- the macro to define
387	>	dnl $2 -- the value to translate
388	>	AC_DEFUN(AC_TRANSLATE_DEFINE, [
389	>	if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then
390	>	AC_DEFINE($1)
391		fi
392	<	;;
393	<	SunOS*)
394	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp Solaris/audio_solaris.cpp"
395	<	DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
396	<	;;
397	<	IRIX*)
398	<	SYSSRCS="../dummy/ether_dummy.cpp ../dummy/scsi_dummy.cpp ../dummy/audio_dummy.cpp Irix/unaligned.c"
399	<	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200"
400	<	LIBS="$LIBS -lm"
401	<	;;
392	>	])
393	>
394	>	dnl Various checks if the system supports vm_allocate() and the like functions.
395	>	have_mach_vm=no
396	>	if [[ "x$ac_cv_func_vm_allocate" = "xyes" -a "x$ac_cv_func_vm_deallocate" = "xyes" -a \
397	>	"x$ac_cv_func_vm_protect" = "xyes" ]]; then
398	>	have_mach_vm=yes
399	>	fi
400	>	AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm")
401	>
402	>	dnl Check that vm_allocate(), vm_protect() work
403	>	if [[ "x$have_mach_vm" = "xyes" ]]; then
404	>
405	>	AC_CACHE_CHECK("whether vm_protect works",
406	>	ac_cv_vm_protect_works, [
407	>	AC_LANG_SAVE
408	>	AC_LANG_CPLUSPLUS
409	>	ac_cv_vm_protect_works=yes
410	>	dnl First the tests that should segfault
411	>	for test_def in NONE_READ NONE_WRITE READ_WRITE; do
412	>	AC_TRY_RUN([
413	>	#define CONFIGURE_TEST_VM_MAP
414	>	#define TEST_VM_PROT_$test_def
415	>	#include "vm_alloc.cpp"
416	>	], ac_cv_vm_protect_works=no, rm -f core,
417	>	dnl When cross-compiling, do not assume anything
418	>	ac_cv_vm_protect_works="guessing no"
419	>	)
420	>	done
421	>	AC_TRY_RUN([
422	>	#define CONFIGURE_TEST_VM_MAP
423	>	#define TEST_VM_PROT_RDWR_WRITE
424	>	#include "vm_alloc.cpp"
425	>	], , ac_cv_vm_protect_works=no,
426	>	dnl When cross-compiling, do not assume anything
427	>	ac_cv_vm_protect_works="guessing no"
428	>	)
429	>	AC_LANG_RESTORE
430	>	]
431	>	)
432	>
433	>	dnl Remove support for vm_allocate() if vm_protect() does not work
434	>	if [[ "x$have_mach_vm" = "xyes" ]]; then
435	>	case $ac_cv_vm_protect_works in
436	>	*yes) have_mach_vm=yes;;
437	>	*no) have_mach_vm=no;;
438		esac
439	<	if [[ "x$WANT_UI" = "xyes" ]]; then
440	<	SYSSRCS="$SYSSRCS prefs_editor_gtk.cpp"
441	<	else
442	<	SYSSRCS="$SYSSRCS ../dummy/prefs_editor_dummy.cpp"
439	>	fi
440	>	AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm")
441	>
442	>	fi dnl HAVE_MACH_VM
443	>
444	>	dnl Various checks if the system supports mmap() and the like functions.
445	>	dnl ... and Mach memory allocators are not supported
446	>	have_mmap_vm=no
447	>	if [[ "x$ac_cv_func_mmap" = "xyes" -a "x$ac_cv_func_munmap" = "xyes" -a \
448	>	"x$ac_cv_func_mprotect" = "xyes" ]]; then
449	>	if [[ "x$have_mach_vm" = "xno" ]]; then
450	>	have_mmap_vm=yes
451		fi
452		fi
453	<	if [[ "x$SEMSRCS" != "x" ]]; then
454	<	SYSSRCS="$SYSSRCS $SEMSRCS"
453	>	AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, "$have_mmap_vm")
454	>
455	>	dnl Check that mmap() and associated functions work.
456	>	if [[ "x$have_mmap_vm" = "xyes" ]]; then
457	>
458	>	dnl Check if we have a working anonymous mmap()
459	>	AC_CACHE_CHECK("whether mmap supports MAP_ANON",
460	>	ac_cv_mmap_anon, [
461	>	AC_LANG_SAVE
462	>	AC_LANG_CPLUSPLUS
463	>	AC_TRY_RUN([
464	>	#define HAVE_MMAP_ANON
465	>	#define CONFIGURE_TEST_VM_MAP
466	>	#define TEST_VM_MMAP_ANON
467	>	#include "vm_alloc.cpp"
468	>	], ac_cv_mmap_anon=yes, ac_cv_mmap_anon=no,
469	>	dnl When cross-compiling, do not assume anything.
470	>	ac_cv_mmap_anon="guessing no"
471	>	)
472	>	AC_LANG_RESTORE
473	>	]
474	>	)
475	>	AC_TRANSLATE_DEFINE(HAVE_MMAP_ANON, "$ac_cv_mmap_anon")
476	>
477	>	AC_CACHE_CHECK("whether mmap supports MAP_ANONYMOUS",
478	>	ac_cv_mmap_anonymous, [
479	>	AC_LANG_SAVE
480	>	AC_LANG_CPLUSPLUS
481	>	AC_TRY_RUN([
482	>	#define HAVE_MMAP_ANONYMOUS
483	>	#define CONFIGURE_TEST_VM_MAP
484	>	#define TEST_VM_MMAP_ANON
485	>	#include "vm_alloc.cpp"
486	>	], ac_cv_mmap_anonymous=yes, ac_cv_mmap_anonymous=no,
487	>	dnl When cross-compiling, do not assume anything.
488	>	ac_cv_mmap_anonymous="guessing no"
489	>	)
490	>	AC_LANG_RESTORE
491	>	]
492	>	)
493	>	AC_TRANSLATE_DEFINE(HAVE_MMAP_ANONYMOUS, "$ac_cv_mmap_anonymous")
494	>
495	>	AC_CACHE_CHECK("whether mprotect works",
496	>	ac_cv_mprotect_works, [
497	>	AC_LANG_SAVE
498	>	AC_LANG_CPLUSPLUS
499	>	ac_cv_mprotect_works=yes
500	>	dnl First the tests that should segfault
501	>	for test_def in NONE_READ NONE_WRITE READ_WRITE; do
502	>	AC_TRY_RUN([
503	>	#define CONFIGURE_TEST_VM_MAP
504	>	#define TEST_VM_PROT_$test_def
505	>	#include "vm_alloc.cpp"
506	>	], ac_cv_mprotect_works=no, rm -f core,
507	>	dnl When cross-compiling, do not assume anything
508	>	ac_cv_mprotect_works="guessing no"
509	>	)
510	>	done
511	>	AC_TRY_RUN([
512	>	#define CONFIGURE_TEST_VM_MAP
513	>	#define TEST_VM_PROT_RDWR_WRITE
514	>	#include "vm_alloc.cpp"
515	>	], , ac_cv_mprotect_works=no,
516	>	dnl When cross-compiling, do not assume anything
517	>	ac_cv_mprotect_works="guessing no"
518	>	)
519	>	AC_LANG_RESTORE
520	>	]
521	>	)
522	>
523	>	dnl Remove support for mmap() if mprotect() does not work
524	>	if [[ "x$have_mmap_vm" = "xyes" ]]; then
525	>	case $ac_cv_mprotect_works in
526	>	*yes) have_mmap_vm=yes;;
527	>	*no) have_mmap_vm=no;;
528	>	esac
529		fi
530	+	AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_mmap_vm)
531
532	<	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"
532	>	fi dnl HAVE_MMAP_VM
533
534	<	dnl Check for i386.
535	<	HAVE_I386=no
536	<	AC_MSG_CHECKING(for x86 target CPU)
537	<	AC_EGREP_CPP(yes,
538	<	[
539	<	#ifdef __i386__
540	<	yes
541	<	#endif
542	<	], [AC_MSG_RESULT(yes); HAVE_I386=yes], AC_MSG_RESULT(no))
534	>	dnl Check if we can mmap 0x2000 bytes from 0x0000
535	>	AC_CACHE_CHECK("whether we can map Low Memory area 0x0000-0x2000",
536	>	ac_cv_can_map_lm, [
537	>	AC_LANG_SAVE
538	>	AC_LANG_CPLUSPLUS
539	>	AC_TRY_RUN([
540	>	#include "vm_alloc.cpp"
541	>	int main(void) { /* returns 0 if we could map the lowmem globals */
542	>	volatile char * lm;
543	>	if (vm_init() < 0) exit(1);
544	>	if ((lm = (volatile char *)vm_acquire_fixed(0, 0x2000)) == VM_MAP_FAILED) exit(1);
545	>	lm[0] = 'z';
546	>	if (vm_release((char *)lm, 0x2000) < 0) exit(1);
547	>	vm_exit(); exit(0);
548	>	}
549	>	], ac_cv_can_map_lm=yes, ac_cv_can_map_lm=no,
550	>	dnl When cross-compiling, do not assume anything.
551	>	ac_cv_can_map_lm="guessing no"
552	>	)
553	>	AC_LANG_RESTORE
554	>	]
555	>	)
556	>
557	>	dnl Check signal handlers need to be reinstalled
558	>	AC_CACHE_CHECK("whether signal handlers need to be reinstalled",
559	>	ac_cv_signal_need_reinstall, [
560	>	AC_LANG_SAVE
561	>	AC_LANG_CPLUSPLUS
562	>	AC_TRY_RUN([
563	>	#include <stdlib.h>
564	>	#ifdef HAVE_UNISTD_H
565	>	#include <unistd.h>
566	>	#endif
567	>	#include <signal.h>
568	>	static int handled_signal = 0;
569	>	RETSIGTYPE sigusr1_handler(int) { handled_signal++; }
570	>	int main(void) { /* returns 0 if signals need not to be reinstalled */
571	>	signal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
572	>	exit(handled_signal == 2);
573	>	}
574	>	], ac_cv_signal_need_reinstall=yes, ac_cv_signal_need_reinstall=no,
575	>	dnl When cross-compiling, do not assume anything.
576	>	ac_cv_signal_need_reinstall="guessing yes"
577	>	)
578	>	AC_LANG_RESTORE
579	>	]
580	>	)
581	>	AC_TRANSLATE_DEFINE(SIGNAL_NEED_REINSTALL, "$ac_cv_signal_need_reinstall")
582	>
583	>	dnl Check if sigaction handlers need to be reinstalled
584	>	AC_CACHE_CHECK("whether sigaction handlers need to be reinstalled",
585	>	ac_cv_sigaction_need_reinstall, [
586	>	AC_LANG_SAVE
587	>	AC_LANG_CPLUSPLUS
588	>	AC_TRY_RUN([
589	>	#include <stdlib.h>
590	>	#ifdef HAVE_UNISTD_H
591	>	#include <unistd.h>
592	>	#endif
593	>	#include <signal.h>
594	>	static int handled_signal = 0;
595	>	RETSIGTYPE sigusr1_handler(int) { handled_signal++; }
596	>	typedef RETSIGTYPE (*signal_handler)(int);
597	>	static signal_handler mysignal(int sig, signal_handler handler) {
598	>	struct sigaction old_sa;
599	>	struct sigaction new_sa;
600	>	new_sa.sa_handler = handler;
601	>	return ((sigaction(sig,&new_sa,&old_sa) < 0) ? SIG_IGN : old_sa.sa_handler);
602	>	}
603	>	int main(void) { /* returns 0 if signals need not to be reinstalled */
604	>	mysignal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
605	>	exit(handled_signal == 2);
606	>	}
607	>	], ac_cv_sigaction_need_reinstall=yes, ac_cv_sigaction_need_reinstall=no,
608	>	dnl When cross-compiling, do not assume anything.
609	>	ac_cv_sigaction_need_reinstall="guessing yes"
610	>	)
611	>	AC_LANG_RESTORE
612	>	]
613	>	)
614	>	AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall")
615	>
616	>	dnl Check if extended signals are supported.
617	>	AC_CACHE_CHECK("whether your system supports extended signal handlers",
618	>	ac_cv_have_extended_signals, [
619	>	AC_LANG_SAVE
620	>	AC_LANG_CPLUSPLUS
621	>	AC_TRY_RUN([
622	>	#define HAVE_SIGINFO_T 1
623	>	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
624	>	#include "vm_alloc.cpp"
625	>	#include "sigsegv.cpp"
626	>	], ac_cv_have_extended_signals=yes, ac_cv_have_extended_signals=no,
627	>	dnl When cross-compiling, do not assume anything.
628	>	ac_cv_have_extended_signals=no
629	>	)
630	>	AC_LANG_RESTORE
631	>	]
632	>	)
633	>	AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals")
634	>
635	>	dnl Otherwise, check for subterfuges.
636	>	if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
637	>	AC_CACHE_CHECK("whether we then have a subterfuge for your system",
638	>	ac_cv_have_sigcontext_hack, [
639	>	AC_LANG_SAVE
640	>	AC_LANG_CPLUSPLUS
641	>	AC_TRY_RUN([
642	>	#define HAVE_SIGCONTEXT_SUBTERFUGE 1
643	>	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
644	>	#include "vm_alloc.cpp"
645	>	#include "sigsegv.cpp"
646	>	], ac_cv_have_sigcontext_hack=yes, ac_cv_have_sigcontext_hack=no,
647	>	dnl When cross-compiling, do not assume anything.
648	>	ac_cv_have_sigcontext_hack=no
649	>	)
650	>	AC_LANG_RESTORE
651	>	])
652	>	AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, "$ac_cv_have_sigcontext_hack")
653	>	fi
654
655	<	dnl Check for GAS
655	>	dnl Check if we can ignore the fault (instruction skipping in SIGSEGV handler)
656	>	AC_CACHE_CHECK("whether we can skip instruction in SIGSEGV handler",
657	>	ac_cv_have_skip_instruction, [
658	>	AC_LANG_SAVE
659	>	AC_LANG_CPLUSPLUS
660	>	AC_TRY_RUN([
661	>	#define HAVE_SIGSEGV_SKIP_INSTRUCTION 1
662	>	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
663	>	#include "vm_alloc.cpp"
664	>	#include "sigsegv.cpp"
665	>	], ac_cv_have_skip_instruction=yes, ac_cv_have_skip_instruction=no,
666	>	dnl When cross-compiling, do not assume anything.
667	>	ac_cv_have_skip_instruction=no
668	>	)
669	>	AC_LANG_RESTORE
670	>	]
671	>	)
672	>	AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_INSTRUCTION, "$ac_cv_have_skip_instruction")
673	>
674	>	dnl Can we do Video on SEGV Signals ?
675	>	CAN_VOSF=no
676	>	if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
677	>	CAN_VOSF=yes
678	>	fi
679	>
680	>	dnl Determine the addressing mode to use
681	>	if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
682	>	ADDRESSING_MODE="real"
683	>	else
684	>	ADDRESSING_MODE=""
685	>	AC_MSG_CHECKING([for the addressing mode to use])
686	>	for am in $ADDRESSING_TEST_ORDER; do
687	>	case $am in
688	>	real)
689	>	dnl Requires ability to mmap() Low Memory globals
690	>	if [[ "x$ac_cv_can_map_lm" = "xno" ]]; then
691	>	continue
692	>	fi
693	>	dnl Requires VOSF screen updates
694	>	if [[ "x$CAN_VOSF" = "xno" ]]; then
695	>	continue
696	>	fi
697	>	dnl Real addressing will probably work.
698	>	ADDRESSING_MODE="real"
699	>	WANT_VOSF=yes dnl we can use VOSF and we need it actually
700	>	DEFINES="$DEFINES -DREAL_ADDRESSING"
701	>	break
702	>	;;
703	>	direct)
704	>	dnl Requires VOSF screen updates
705	>	if [[ "x$CAN_VOSF" = "xyes" ]]; then
706	>	ADDRESSING_MODE="direct"
707	>	WANT_VOSF=yes dnl we can use VOSF and we need it actually
708	>	DEFINES="$DEFINES -DDIRECT_ADDRESSING"
709	>	break
710	>	fi
711	>	;;
712	>	banks)
713	>	dnl Default addressing mode
714	>	ADDRESSING_MODE="memory banks"
715	>	break
716	>	;;
717	>	*)
718	>	AC_MSG_ERROR([Internal configure.in script error for $am addressing mode])
719	>	esac
720	>	done
721	>	AC_MSG_RESULT($ADDRESSING_MODE)
722	>	if [[ "x$ADDRESSING_MODE" = "x" ]]; then
723	>	AC_MSG_WARN([Sorry, no suitable addressing mode in $ADDRESSING_TEST_ORDER])
724	>	ADDRESSING_MODE="memory banks"
725	>	fi
726	>	fi
727	>
728	>	dnl Enable VOSF screen updates with this feature is requested and feasible
729	>	if [[ "x$WANT_VOSF" = "xyes" -a "x$CAN_VOSF" = "xyes" ]]; then
730	>	AC_DEFINE(ENABLE_VOSF)
731	>	else
732	>	WANT_VOSF=no
733	>	fi
734	>
735	>	dnl Check for GAS.
736		HAVE_GAS=no
737		AC_MSG_CHECKING(for GAS .p2align feature)
738		cat >conftest.S << EOF
#	Line 198 | Line 742 | EOF
742		if $CC conftest.S -c -o conftest.o >/dev/null 2>&1 ; then HAVE_GAS=yes; fi
743		AC_MSG_RESULT($HAVE_GAS)
744
745	<	dnl Check for GCC 2.7 or higher
745	>	dnl Check for GCC 2.7 or higher.
746		HAVE_GCC27=no
747		AC_MSG_CHECKING(for GCC 2.7 or higher)
748		AC_EGREP_CPP(yes,
#	Line 207 | Line 751 | AC_EGREP_CPP(yes,
751		#endif
752		], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
753
754	<	dnl Set "-fomit-frame-pointer" on GCC
755	<	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
754	>	dnl Check for GCC 3.0 or higher.
755	>	HAVE_GCC30=no
756	>	AC_MSG_CHECKING(for GCC 3.0 or higher)
757	>	AC_EGREP_CPP(yes,
758	>	[#if __GNUC__ >= 3
759	>	yes
760	>	#endif
761	>	], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
762	>
763	>	dnl Set "-fomit-frame-pointer" on i386 GCC 2.7 or higher.
764	>	dnl Also set "-fno-exceptions" for C++ because exception handling requires
765	>	dnl the frame pointer.
766	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
767		CFLAGS="$CFLAGS -fomit-frame-pointer"
768	<	CXXFLAGS="$CXXFLAGS -fomit-frame-pointer"
768	>	CXXFLAGS="$CXXFLAGS -fomit-frame-pointer -fno-exceptions"
769		fi
770
771	<	dnl Select appropriate CPU source and REGPARAM define
772	<	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
771	>	dnl (gb) Do not merge constants since it breaks fpu/fpu_x86.cpp.
772	>	dnl As of 2001/08/02, this affects the following compilers:
773	>	dnl Official: probably gcc-3.1 (mainline CVS)
774	>	dnl Mandrake: gcc-2.96 >= 0.59mdk, gcc-3.0.1 >= 0.1mdk
775	>	dnl Red Hat : gcc-2.96 >= 89, gcc-3.0 >= 1
776	>	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
777	>	SAVED_CXXFLAGS="$CXXFLAGS"
778	>	CXXFLAGS="$CXXFLAGS -fno-merge-constants"
779	>	AC_CACHE_CHECK([whether GCC supports constants merging], ac_cv_gcc_constants_merging, [
780	>	AC_LANG_SAVE
781	>	AC_LANG_CPLUSPLUS
782	>	AC_TRY_COMPILE([],[],[ac_cv_gcc_constants_merging=yes],[ac_cv_gcc_constants_merging=no])
783	>	AC_LANG_RESTORE
784	>	])
785	>	if [[ "x$ac_cv_gcc_constants_merging" != "xyes" ]]; then
786	>	CXXFLAGS="$SAVED_CXXFLAGS"
787	>	fi
788	>	fi
789	>
790	>	dnl Select appropriate CPU source and REGPARAM define.
791	>	ASM_OPTIMIZATIONS=none
792	>	CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
793	>	FPUSRCS="../uae_cpu/fpu/fpu_uae.cpp"
794	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" -a "x$OS_TYPE" != "xfreebsd" ]]; then
795	>	dnl i386 CPU
796		DEFINES="$DEFINES -DREGPARAM=\"__attribute__((regparm(3)))\""
797		if [[ "x$HAVE_GAS" = "xyes" ]]; then
798	<	DEFINES="$DEFINES -DX86_ASSEMBLY"
799	<	CPUSRCS="$CPUSRCS cpufast.s"
798	>	ASM_OPTIMIZATIONS=i386
799	>	DEFINES="$DEFINES -DX86_ASSEMBLY -DUNALIGNED_PROFITABLE -DOPTIMIZED_FLAGS"
800	>	CPUSRCS="cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s"
801	>	FPUSRCS="../uae_cpu/fpu_x86.cpp"
802	>	fi
803	>	elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
804	>	dnl SPARC CPU
805	>	case "$target_os" in
806	>	solaris*)
807	>	AC_MSG_CHECKING(SPARC CPU architecture)
808	>	SPARC_TYPE=`Solaris/which_sparc`
809	>	AC_MSG_RESULT($SPARC_TYPE)
810	>	case "$SPARC_TYPE" in
811	>	SPARC_V8)
812	>	ASM_OPTIMIZATIONS="SPARC V8 architecture"
813	>	DEFINES="$DEFINES -DSPARC_V8_ASSEMBLY" dnl -DOPTIMIZED_FLAGS"
814	>	CFLAGS="$CFLAGS -Wa,-Av8"
815	>	CXXFLAGS="$CXXFLAGS -Wa,-Av8"
816	>	;;
817	>	SPARC_V9)
818	>	ASM_OPTIMIZATIONS="SPARC V9 architecture"
819	>	DEFINES="$DEFINES -DSPARC_V9_ASSEMBLY" dnl -DOPTIMIZED_FLAGS"
820	>	CFLAGS="$CFLAGS -Wa,-Av9"
821	>	CXXFLAGS="$CXXFLAGS -Wa,-Av9"
822	>	;;
823	>	esac
824	>	;;
825	>	esac
826	>	elif [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
827	>	dnl Native m68k, no emulation
828	>	CPUINCLUDES="-I../native_cpu"
829	>	CPUSRCS="asm_support.s"
830	>	fi
831	>
832	>	dnl Select appropriate FPU source.
833	>	dnl 1. Optimized X86 assembly core if target is i386 architecture
834	>	SAVED_DEFINES=$DEFINES
835	>	if [[ "x$FPE_CORE" = "xdefault" ]]; then
836	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
837	>	DEFINES="$DEFINES -DFPU_X86"
838	>	FPE_CORE_STR="i386 optimized core"
839	>	FPUSRCS="../uae_cpu/fpu/fpu_x86.cpp"
840	>	FPE_CORE="i386"
841		else
842	<	CPUSRCS="$CPUSRCS cpuemu.cpp"
842	>	FPE_CORE="uae"
843		fi
225	–	else
226	–	CPUSRCS="$CPUSRCS cpuemu.cpp"
844		fi
845
846	<	dnl Generate Makefile
846	>	dnl 2. JIT-FPU only supports IEEE-based implementation.
847	>	if [[ "x$WANT_JIT_FPU" = "xyes" -a "x$FPE_CORE" != "xieee" ]]; then
848	>	AC_MSG_WARN([Sorry, JIT-FPU supports only the "ieee" FPE implementation])
849	>	FPE_CORE="ieee"
850	>	dnl Restore previous variables. FPE_CORE_STR and FPUSRCS are overwritten
851	>	DEFINES=$SAVED_DEFINES
852	>	fi
853	>
854	>	dnl 3. Choose either IEEE-based implementation or the old UAE core
855	>	if [[ "x$FPE_CORE" = "xieee" ]]; then
856	>	AC_CHECK_HEADERS(fenv.h)
857	>	AC_CHECK_FUNCS(feclearexcept fegetexceptflag feraiseexcept fesetexceptflag fetestexcept)
858	>	AC_CHECK_FUNCS(fegetround fesetround)
859	>	DEFINES="$DEFINES -DFPU_IEEE"
860	>	FPE_CORE_STR="ieee-based fpu core"
861	>	FPUSRCS="../uae_cpu/fpu/fpu_ieee.cpp"
862	>	elif [[ "x$FPE_CORE" = "xuae" ]]; then
863	>	DEFINES="$DEFINES -DFPU_UAE"
864	>	FPE_CORE_STR="original uae core"
865	>	FPUSRCS="../uae_cpu/fpu/fpu_uae.cpp"
866	>	fi
867	>
868	>	dnl Check for certain math functions
869	>	AC_CHECK_FUNCS(atanh)
870	>	AC_CHECK_FUNCS(isnan isinf)             dnl C99
871	>	AC_CHECK_FUNCS(isnanl isinfl)   dnl IEEE ?
872	>
873	>	dnl UAE CPU sources for all non-m68k-native architectures.
874	>	if [[ "x$WANT_NATIVE_M68K" = "xno" ]]; then
875	>	CPUINCLUDES="-I../uae_cpu"
876	>	CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp $FPUSRCS cpustbl.cpp cpudefs.cpp $CPUSRCS"
877	>	fi
878	>
879	>	dnl Remove the "-g" option if set for GCC.
880	>	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
881	>	CFLAGS=`echo $CFLAGS | sed -e 's/-g//g'`
882	>	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/-g//g'`
883	>	fi
884	>
885	>	dnl Or if we have -Ofast
886	>	if [[ "x$HAVE_OFAST" = "xyes" ]]; then
887	>	CFLAGS="`echo $CFLAGS | sed -e 's/-g//g'` -Ofast"
888	>	CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-g//g'` -Ofast"
889	>	CXXFLAGS="-LANG:std $CXXFLAGS"
890	>	LDFLAGS="$LDFLAGS -ipa"
891	>	fi
892	>
893	>	dnl Generate Makefile.
894		AC_SUBST(DEFINES)
231	–	AC_SUBST(STATICLIBS)
895		AC_SUBST(SYSSRCS)
896		AC_SUBST(CPUINCLUDES)
897		AC_SUBST(CPUSRCS)
898		AC_OUTPUT(Makefile)
899	<	echo "Configuration done. Now type \"make\"."
899	>
900	>	dnl Print summary.
901	>	echo
902	>	echo Basilisk II configuration summary:
903	>	echo
904	>	echo XFree86 DGA support .............. : $WANT_XF86_DGA
905	>	echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
906	>	echo fbdev DGA support ................ : $WANT_FBDEV_DGA
907	>	echo Enable video on SEGV signals ..... : $WANT_VOSF
908	>	echo ESD sound support ................ : $WANT_ESD
909	>	echo GTK user interface ............... : $WANT_GTK
910	>	echo mon debugger support ............. : $WANT_MON
911	>	echo Running m68k code natively ....... : $WANT_NATIVE_M68K
912	>	echo Floating-Point emulation core .... : $FPE_CORE_STR
913	>	echo Assembly optimizations ........... : $ASM_OPTIMIZATIONS
914	>	echo Addressing mode .................. : $ADDRESSING_MODE
915	>	echo
916	>	echo "Configuration done. Now type \"make\" (or \"gmake\")."

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