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root/cebix/BasiliskII/src/Unix/configure.in
Revision: 1.31
Committed: 2001-01-11T16:39:25Z (23 years, 10 months ago) by gbeauche
Branch: MAIN
Changes since 1.30: +3 -3 lines
Log Message:
- Added UNALIGNED_PROFITABLE to the list of i386 macro definitions
- Changed OPTFLAGS macro definitions to OPTIMIZED_FLAGS

File Contents

# User Rev Content
1 cebix 1.1 dnl Process this file with autoconf to produce a configure script.
2     dnl Written in 1999 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 cebix 1.17 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=$enableval], [WANT_FBDEV_DGA=yes])
12 cebix 1.27 AC_ARG_ENABLE(vosf, [ --enable-vosf enable video on SEGV signals [default=no]], [WANT_VOSF=$enableval], [WANT_VOSF=no])
13 gbeauche 1.23 AC_ARG_ENABLE(16bit-vidmode, [ --enable-16bit-vidmode enable 16-bit video if possible [default=yes]], [WANT_16BIT_VIDMODE=$enableval], [WANT_16BIT_VIDMODE=yes])
14     AC_ARG_ENABLE(addressing,
15     [ --enable-addressing=mode specify the addressing mode to use [default=fastest]],
16     [ case "$enableval" in
17 cebix 1.24 real) ADDRESSING_TEST_ORDER="real";;
18     direct) ADDRESSING_TEST_ORDER="direct";;
19     banks) ADDRESSING_TEST_ORDER="banks";;
20     dnl fastest) ADDRESSING_TEST_ORDER="real direct banks";; gb-- will enable later...
21     fastest) ADDRESSING_TEST_ORDER="direct banks";;
22     *) AC_MSG_ERROR([--enable-mem-addressing takes only one of the following values: fastest, real, direct, banks]);;
23 gbeauche 1.23 esac
24     ],
25     dnl [ ADDRESSING_TEST_ORDER="real direct banks" gb-- will probably reactivate later
26     [ ADDRESSING_TEST_ORDER="direct banks"
27     ])
28 cebix 1.17 AC_ARG_WITH(esd, [ --with-esd support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes])
29     AC_ARG_WITH(gtk, [ --with-gtk use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes])
30     AC_ARG_WITH(mon, [ --with-mon use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes])
31 cebix 1.1
32 gbeauche 1.23 dnl Canonical system information.
33     AC_CANONICAL_HOST
34     AC_CANONICAL_TARGET
35    
36     dnl Target OS type (target is host if not cross-compiling).
37     case "$target_os" in
38     linux*) OS_TYPE=linux;;
39     netbsd*) OS_TYPE=netbsd;;
40     freebsd*) OS_TYPE=freebsd;;
41     solaris*) OS_TYPE=solaris;;
42 cebix 1.28 *) OS_TYPE=`echo $target_os | sed -e 's/-/_/' | sed -e 's/\./_/'`;;
43 gbeauche 1.23 esac
44     DEFINES="$DEFINES -DOS_$OS_TYPE"
45    
46     dnl Target CPU type.
47     HAVE_I386=no
48     HAVE_M68K=no
49     HAVE_SPARC=no
50     case "$target_cpu" in
51     i386* | i486* | i586* | i686* | i786* ) CPU_TYPE=i386 HAVE_I386=yes;;
52     m68k* ) CPU_TYPE=m68k HAVE_M68K=yes;;
53     sparc* ) CPU_TYPE=sparc HAVE_SPARC=yes;;
54     *) CPU_TYPE=`echo $target_cpu | sed -e 's/-/_/'`;;
55     esac
56     DEFINES="$DEFINES -DCPU_$CPU_TYPE"
57    
58 cebix 1.1 dnl Checks for programs.
59     AC_PROG_CC
60 gbeauche 1.23 AC_PROG_CC_C_O
61 cebix 1.4 AC_PROG_CPP
62 cebix 1.1 AC_PROG_CXX
63     AC_PROG_MAKE_SET
64     AC_PROG_INSTALL
65    
66 cebix 1.11 dnl We use mon if possible.
67     MONSRCS=
68 cebix 1.18 if [[ "x$WANT_MON" = "xyes" ]]; then
69     AC_MSG_CHECKING(for mon)
70 cebix 1.24 mon_srcdir=../../../mon/src
71     if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
72 cebix 1.18 AC_MSG_RESULT(yes)
73 cebix 1.19 AC_DEFINE(ENABLE_MON)
74 cebix 1.29 MONSRCS="$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 $mon_srcdir/disass/m68k-opc.c"
75 cebix 1.24 CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass"
76 cebix 1.18 AC_CHECK_LIB(readline, readline)
77 cebix 1.19 AC_CHECK_LIB(termcap, tputs)
78     AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
79 cebix 1.18 else
80     AC_MSG_RESULT(no)
81     AC_MSG_WARN([Could not find mon, ignoring --with-mon.])
82     WANT_MON=no
83     fi
84 cebix 1.11 fi
85    
86 cebix 1.1 dnl Checks for libraries.
87 cebix 1.10 AC_CHECK_LIB(posix4, sem_init)
88    
89     dnl We need X11.
90 cebix 1.1 AC_PATH_XTRA
91     if [[ "x$no_x" = "xyes" ]]; then
92     AC_MSG_ERROR([You need X11 to run Basilisk II.])
93     fi
94     CFLAGS="$CFLAGS $X_CFLAGS"
95     CXXFLAGS="$CXXFLAGS $X_CFLAGS"
96     LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
97    
98 cebix 1.19 dnl We want pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL.
99     HAVE_PTHREADS=yes
100 cebix 1.10 AC_CHECK_LIB(pthread, pthread_create, , [
101     AC_CHECK_LIB(c_r, pthread_create, , [
102     AC_CHECK_LIB(PTL, pthread_create, , [
103 cebix 1.19 HAVE_PTHREADS=no
104 cebix 1.10 ])
105     ])
106     ])
107 cebix 1.19 if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
108     AC_DEFINE(HAVE_PTHREADS)
109     fi
110     AC_CHECK_FUNCS(pthread_cancel)
111 cebix 1.10
112     dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
113 cebix 1.19 SEMSRC=
114 cebix 1.10 AC_CHECK_FUNCS(sem_init, , [
115 cebix 1.26 if test "x$HAVE_PTHREADS" = "xyes"; then
116 cebix 1.19 SEMSRC=posix_sem.cpp
117     fi
118 cebix 1.10 ])
119 cebix 1.1
120 cebix 1.10 dnl We use DGA (XFree86 or fbdev) if possible.
121 cebix 1.8 if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
122 cebix 1.10 AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, [
123 cebix 1.19 AC_DEFINE(ENABLE_XF86_DGA)
124 cebix 1.1 LIBS="$LIBS -lXxf86dga"
125 cebix 1.8 if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
126     AC_MSG_WARN([Cannot have both --enable-xf86-dga and --enable-fbdev-dga, ignoring --enable-fbdev-dga.])
127     WANT_FBDEV_DGA=no
128     fi
129 cebix 1.10 ], [
130     AC_MSG_WARN([Could not find XFree86 DGA extension, ignoring --enable-xf86-dga.])
131 cebix 1.13 WANT_XF86_DGA=no
132 cebix 1.10 ])
133 cebix 1.8 fi
134     if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
135 cebix 1.19 AC_DEFINE(ENABLE_FBDEV_DGA)
136 cebix 1.1 fi
137    
138 cebix 1.17 dnl We use XFree86 VidMode if possible.
139     if [[ "x$WANT_XF86_VIDMODE" = "xyes" ]]; then
140     AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryExtension, [
141 cebix 1.19 AC_DEFINE(ENABLE_XF86_VIDMODE)
142 cebix 1.17 LIBS="$LIBS -lXxf86vm"
143     ], [
144     AC_MSG_WARN([Could not find XFree86 VidMode extension, ignoring --enable-xf86-vidmode.])
145     WANT_XF86_VIDMODE=no
146     ])
147     fi
148    
149 cebix 1.1 dnl We use GTK+ if possible.
150 cebix 1.10 UISRCS=../dummy/prefs_editor_dummy.cpp
151 cebix 1.14 if [[ "x$WANT_GTK" = "xyes" ]]; then
152 cebix 1.10 AM_PATH_GTK(1.2.0, [
153 cebix 1.19 AC_DEFINE(ENABLE_GTK)
154 cebix 1.10 CFLAGS="$CFLAGS $GTK_CFLAGS"
155     CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
156     LIBS="$LIBS $GTK_LIBS"
157     UISRCS=prefs_editor_gtk.cpp
158     ], [
159     AC_MSG_WARN([Could not find GTK+, disabling user interface.])
160 cebix 1.14 WANT_GTK=no
161 cebix 1.10 ])
162 cebix 1.1 fi
163    
164 cebix 1.10 dnl We use ESD if possible.
165     if [[ "x$WANT_ESD" = "xyes" ]]; then
166     AM_PATH_ESD(0.2.8, [
167 cebix 1.19 AC_DEFINE(ENABLE_ESD)
168 cebix 1.10 CFLAGS="$CFLAGS $ESD_CFLAGS"
169     CXXFLAGS="$CXXFLAGS $ESD_CFLAGS"
170     LIBS="$LIBS $ESD_LIBS"
171     ], [
172     AC_MSG_WARN([Could not find ESD, disabling ESD support.])
173     WANT_ESD=no
174     ])
175 cebix 1.1 fi
176    
177     dnl Checks for header files.
178     AC_HEADER_STDC
179     AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h)
180    
181     dnl Checks for typedefs, structures, and compiler characteristics.
182     AC_C_BIGENDIAN
183     AC_C_CONST
184     AC_C_INLINE
185     AC_CHECK_SIZEOF(short, 2)
186     AC_CHECK_SIZEOF(int, 4)
187     AC_CHECK_SIZEOF(long, 4)
188     AC_CHECK_SIZEOF(long long, 8)
189 gbeauche 1.23 AC_CHECK_SIZEOF(void *, 4)
190 cebix 1.1 AC_TYPE_OFF_T
191     AC_CHECK_TYPE(loff_t, off_t)
192     AC_TYPE_SIZE_T
193 gbeauche 1.23 AC_TYPE_SIGNAL
194 cebix 1.1 AC_HEADER_TIME
195     AC_STRUCT_TM
196    
197     dnl Checks for library functions.
198     AC_CHECK_FUNCS(strdup cfmakeraw)
199 cebix 1.21 AC_CHECK_FUNCS(clock_gettime timer_create)
200 cebix 1.1
201     dnl Select system-dependant source files.
202 cebix 1.19 SERIALSRC=serial_unix.cpp
203     ETHERSRC=../dummy/ether_dummy.cpp
204     SCSISRC=../dummy/scsi_dummy.cpp
205     AUDIOSRC=../dummy/audio_dummy.cpp
206     EXTRASYSSRCS=
207 cebix 1.27 CAN_NATIVE_M68K=no
208 gbeauche 1.23 case "$target_os" in
209     linux*)
210     ETHERSRC=Linux/ether_linux.cpp
211     SCSISRC=Linux/scsi_linux.cpp
212     AUDIOSRC=audio_oss_esd.cpp
213     ;;
214     freebsd*3.*)
215     AUDIOSRC=audio_oss_esd.cpp
216     DEFINES="$DEFINES -DBSD_COMP"
217     dnl Check for the CAM library
218     AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
219     if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
220     AC_MSG_WARN([Cannot find libcam for SCSI management, disabling SCSI support.])
221     else
222     dnl Check for the sys kernel includes
223     AC_CHECK_HEADER(/sys/cam/cam.h)
224     if [[ "x$ac_cv_header__sys_cam_cam_h" = "xno" ]]; then
225     dnl In this case I should fix this thing including a "patch"
226     dnl to access directly to the functions in the kernel :) --Orlando
227     AC_MSG_WARN([Cannot find kernel includes for CAM library, disabling SCSI support.])
228     else
229     SCSISRC=FreeBSD/scsi_freebsd.cpp
230     CXXFLAGS="$CXXFLAGS -I/sys"
231     CFLAGS="$CFLAGS -I/sys"
232     LIBS="$LIBS -lcam"
233     DEFINES="$DEFINES -DCAM"
234     fi
235     fi
236     ;;
237     freebsd*)
238     DEFINES="$DEFINES -DBSD_COMP"
239     dnl Check for the SCSI library
240     AC_CHECK_LIB(scsi, scsi_open, HAVE_LIBSCSI=yes, HAVE_LIBSCSI=no)
241     if [[ "x$HAVE_LIBSCSI" = "xno" ]]; then
242     AC_MSG_WARN([Cannot find libscsi for SCSI management, disabling SCSI support.])
243     else
244     dnl Check for the sys kernel includes
245     AC_CHECK_HEADER(scsi.h sys/scsiio.h)
246     if [[ "x$ac_cv_header_scsi_h" = "xno" ]]; then
247     AC_MSG_WARN([Cannot find includes for the SCSI library, disabling SCSI support.])
248     else
249     SCSISRC=FreeBSD/scsi_freebsd.cpp
250     LIBS="$LIBS -lscsi"
251     fi
252     fi
253     ;;
254     netbsd*)
255 cebix 1.27 CAN_NATIVE_M68K=yes
256 gbeauche 1.23 ;;
257     solaris*)
258     AUDIOSRC=Solaris/audio_solaris.cpp
259     DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
260     ;;
261     irix*)
262 cebix 1.30 AUDIOSRC=Irix/audio_irix.cpp
263 gbeauche 1.23 EXTRASYSSRCS=Irix/unaligned.c
264 cebix 1.28 dnl IRIX headers work fine, but somehow don't define or use "STDC_HEADERS"
265     DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200 -DSTDC_HEADERS"
266 cebix 1.30 LIBS="$LIBS -laudio"
267 gbeauche 1.23 ;;
268     esac
269    
270 cebix 1.27 dnl Use 68k CPU natively?
271     WANT_NATIVE_M68K=no
272     if [[ "x$HAVE_M68K" = "xyes" -a "x$CAN_NATIVE_M68K" = "xyes" ]]; then
273     AC_DEFINE(ENABLE_NATIVE_M68K)
274     WANT_NATIVE_M68K=yes
275     fi
276    
277 gbeauche 1.23 if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
278     dnl Serial, ethernet and audio support needs pthreads
279     AC_MSG_WARN([You don't have pthreads, disabling serial, ethernet and audio support.])
280     SERIALSRC=../dummy/serial_dummy.cpp
281     ETHERSRC=../dummy/ether_dummy.cpp
282     AUDIOSRC=../dummy/audio_dummy.cpp
283     fi
284     SYSSRCS="$SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
285    
286     dnl Define a macro that translates a yesno-variable into a C macro definition
287     dnl to be put into the config.h file
288     dnl $1 -- the macro to define
289     dnl $2 -- the value to translate
290     AC_DEFUN(AC_TRANSLATE_DEFINE, [
291     if [[ "x$2" = "xyes" ]]; then
292     AC_DEFINE($1)
293     fi
294     ])
295    
296     dnl Check if we can mmap 0x2000 bytes from 0x0000
297     AC_CACHE_CHECK("whether we can map Low Memory area 0x0000-0x2000",
298     ac_cv_can_map_lm, [
299     AC_LANG_SAVE
300     AC_LANG_CPLUSPLUS
301     AC_TRY_RUN([
302     #include <unistd.h>
303     #include <fcntl.h>
304     #include <sys/mman.h>
305    
306     int main()
307     { int zero_fd; char * lm;
308     if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
309     if ((lm = (char *)mmap((caddr_t)0x0000, 0x2000, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_PRIVATE, zero_fd, 0)) == MAP_FAILED) exit(1);
310     lm[0] = 0x12;
311     munmap(lm, 0x2000);
312     close(zero_fd);
313     exit(0);
314     }
315     ],
316     [ac_cv_can_map_lm=yes],
317     [ac_cv_can_map_lm=no]
318     )
319     AC_LANG_RESTORE
320     ]
321     )
322    
323     dnl Check if extended signals are supported.
324     AC_CACHE_CHECK("whether your system supports extended signal handlers",
325     ac_cv_have_extended_signals, [
326     AC_LANG_SAVE
327     AC_LANG_CPLUSPLUS
328     AC_TRY_RUN([
329     #include <unistd.h>
330 cebix 1.25 #include <stdlib.h>
331 gbeauche 1.23 #include <signal.h>
332     #include <fcntl.h>
333     #include <sys/mman.h>
334    
335     static volatile caddr_t mem = 0;
336     static int zero_fd = -1;
337    
338     static RETSIGTYPE segfault_handler(int, siginfo_t * sip, void *)
339     { if ((caddr_t)(sip->si_addr) != mem) exit(1);
340     munmap(mem, getpagesize()); close(zero_fd); exit(0); }
341    
342     int main()
343     { if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
344     if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
345 cebix 1.25 struct sigaction sa; sa.sa_sigaction = segfault_handler; sa.sa_flags = SA_SIGINFO;
346 gbeauche 1.23 sigaction(SIGSEGV, &sa, 0);
347     mem[0] = 0;
348     exit(1); // should not be reached
349     }
350     ],
351     [ac_cv_have_extended_signals=yes],
352     [ac_cv_have_extended_signals=no]
353     )
354     AC_LANG_RESTORE
355     ]
356     )
357     AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals")
358    
359     dnl Otherwise, check for subterfuges.
360     if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
361     case "$target_os" in
362     linux*)
363     if [[ "x$HAVE_I386" = "xyes" ]]; then
364     AC_CACHE_CHECK("whether we then have a subterfuge for your system",
365     ac_cv_have_sigcontext_hack, [
366     AC_LANG_SAVE
367     AC_LANG_CPLUSPLUS
368     AC_TRY_RUN([
369     #include <unistd.h>
370     #include <signal.h>
371     #include <fcntl.h>
372     #include <sys/mman.h>
373    
374     static volatile caddr_t mem = 0;
375     static int zero_fd = -1;
376    
377     static RETSIGTYPE segfault_handler(int, struct sigcontext scs)
378     { if ((caddr_t)(scs.cr2) != mem) exit(1);
379     munmap(mem, getpagesize()); close(zero_fd); exit(0); }
380    
381     int main()
382     { if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
383     if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
384     struct sigaction sa; sa.sa_flags = 0;
385 cebix 1.25 sa.sa_handler = (RETSIGTYPE (*)(int))segfault_handler;
386 gbeauche 1.23 sigaction(SIGSEGV, &sa, 0);
387     mem[0] = 0;
388     exit(1); // should not be reached
389     }
390     ],
391     [ac_cv_have_sigcontext_hack=yes],
392     [ac_cv_have_sigcontext_hack=no]
393     )
394     AC_LANG_RESTORE
395     ])
396 cebix 1.25 AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, $ac_cv_have_sigcontext_hack)
397 gbeauche 1.23 fi
398 cebix 1.27 ;;
399     netbsd*)
400     if [[ "x$HAVE_M68K" = "xyes" ]]; then
401     AC_CACHE_CHECK("whether we then have a subterfuge for your system",
402     ac_cv_have_sigcontext_hack, [
403     AC_LANG_SAVE
404     AC_LANG_CPLUSPLUS
405     AC_TRY_RUN([
406     #include <unistd.h>
407     #include <signal.h>
408     #include <fcntl.h>
409     #include <sys/mman.h>
410    
411     static volatile caddr_t mem = 0;
412     static int zero_fd = -1;
413    
414     static RETSIGTYPE segfault_handler(int, int code)
415     { if ((caddr_t)code != mem) exit(1);
416     munmap(mem, getpagesize()); close(zero_fd); exit(0); }
417    
418     int main()
419     { if ((zero_fd = open("/dev/zero", O_RDWR)) < 0) exit(1);
420     if ((mem = (caddr_t)mmap(0, getpagesize(), PROT_READ, MAP_PRIVATE, zero_fd, 0)) == (caddr_t)MAP_FAILED) exit(1);
421     struct sigaction sa; sa.sa_flags = 0;
422     sa.sa_handler = (RETSIGTYPE (*)(int))segfault_handler;
423     sigaction(SIGSEGV, &sa, 0);
424     mem[0] = 0;
425     exit(1); // should not be reached
426     }
427     ],
428     [ac_cv_have_sigcontext_hack=yes],
429     [ac_cv_have_sigcontext_hack=no]
430     )
431     AC_LANG_RESTORE
432     ])
433     AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, $ac_cv_have_sigcontext_hack)
434     fi
435 cebix 1.1 ;;
436 gbeauche 1.23 esac
437     fi
438    
439     dnl Can we do Video on SEGV Signals ?
440     CAN_VOSF=no
441     if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
442     CAN_VOSF=yes
443     fi
444    
445     dnl Determine the addressing mode to use
446 cebix 1.27 if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
447     ADDRESSING_MODE="real"
448     else
449     ADDRESSING_MODE=""
450     AC_MSG_CHECKING([for the addressing mode to use])
451     for am in $ADDRESSING_TEST_ORDER; do
452     case $am in
453     real)
454     dnl Requires ability to mmap Low Memory globals.
455     if [[ "x$ac_cv_can_map_lm" = "xno" ]]; then
456     continue
457     fi
458     if [[ "x$ac_cv_c_bigendian" = "xyes" ]]; then
459     dnl Requires only VOSF if 16-bit vidmode enable
460     if [[ "x$WANT_16BIT_VIDMODE" = "xyes" ]]; then
461     if [[ "x$CAN_VOSF" = "xno" ]]; then
462     continue
463     fi
464     else
465     DEFINES="$DEFINES -DDISABLE_16BIT_VIDMODE"
466     fi
467     else
468     dnl Requires VOSF
469 gbeauche 1.23 if [[ "x$CAN_VOSF" = "xno" ]]; then
470     continue
471     fi
472 cebix 1.1 fi
473 cebix 1.27 dnl Real addressing will probably work
474     ADDRESSING_MODE="real"
475     WANT_VOSF=yes dnl we can use VOSF and we need it actually
476     DEFINES="$DEFINES -DREAL_ADDRESSING"
477     break
478     ;;
479     direct)
480 gbeauche 1.23 dnl Requires VOSF
481 cebix 1.27 if [[ "x$CAN_VOSF" = "xyes" ]]; then
482     ADDRESSING_MODE="direct"
483     WANT_VOSF=yes dnl we can use VOSF and we need it actually
484     DEFINES="$DEFINES -DDIRECT_ADDRESSING"
485     break
486 cebix 1.1 fi
487 cebix 1.27 ;;
488     banks)
489     dnl Default addressing mode
490     ADDRESSING_MODE="memory banks"
491 gbeauche 1.23 break
492 cebix 1.27 ;;
493     *)
494     AC_MSG_ERROR([Internal configure.in script error for $am addressing mode])
495     esac
496     done
497     AC_MSG_RESULT($ADDRESSING_MODE)
498     if [[ "x$ADDRESSING_MODE" = "x" ]]; then
499     AC_MSG_WARN([Sorry, no suitable addressing mode in $ADDRESSING_TEST_ORDER])
500 gbeauche 1.23 ADDRESSING_MODE="memory banks"
501 cebix 1.27 fi
502 cebix 1.8 fi
503 gbeauche 1.23
504     dnl Since real and direct addressing modes automatically activate VOSF,
505     dnl I put this test here.
506     if [[ "x$WANT_VOSF" = "xyes" ]]; then
507     if [[ "x$CAN_VOSF" = "xno" ]]; then
508     AC_MSG_WARN([Sorry, your system does not support Video on SEGV signals])
509     WANT_VOSF=no
510     else
511     AC_DEFINE(ENABLE_VOSF)
512     fi
513 cebix 1.19 fi
514 cebix 1.9
515 cebix 1.3 dnl Check for GAS.
516 cebix 1.1 HAVE_GAS=no
517     AC_MSG_CHECKING(for GAS .p2align feature)
518     cat >conftest.S << EOF
519     .text
520     .p2align 5
521     EOF
522     if $CC conftest.S -c -o conftest.o >/dev/null 2>&1 ; then HAVE_GAS=yes; fi
523     AC_MSG_RESULT($HAVE_GAS)
524    
525 cebix 1.3 dnl Check for GCC 2.7 or higher.
526 cebix 1.1 HAVE_GCC27=no
527     AC_MSG_CHECKING(for GCC 2.7 or higher)
528     AC_EGREP_CPP(yes,
529     [#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5
530     yes
531     #endif
532     ], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
533    
534 cebix 1.19 dnl Set "-fomit-frame-pointer" on i386 GCC 2.7 or higher.
535     if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
536 cebix 1.1 CFLAGS="$CFLAGS -fomit-frame-pointer"
537     CXXFLAGS="$CXXFLAGS -fomit-frame-pointer"
538     fi
539    
540 cebix 1.3 dnl Select appropriate CPU source and REGPARAM define.
541 gbeauche 1.23 ASM_OPTIMIZATIONS=none
542 cebix 1.9 CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
543 gbeauche 1.22 FPUSRCS="../uae_cpu/fpp.cpp"
544 cebix 1.1 if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
545 cebix 1.9 dnl i386 CPU
546 cebix 1.1 DEFINES="$DEFINES -DREGPARAM=\"__attribute__((regparm(3)))\""
547     if [[ "x$HAVE_GAS" = "xyes" ]]; then
548 gbeauche 1.23 ASM_OPTIMIZATIONS=i386
549 gbeauche 1.31 DEFINES="$DEFINES -DX86_ASSEMBLY -DUNALIGNED_PROFITABLE -DOPTIMIZED_FLAGS"
550 cebix 1.16 CPUSRCS="../uae_cpu/compiler.cpp cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s"
551 gbeauche 1.22 FPUSRCS="../uae_cpu/fpu_x86.cpp"
552 cebix 1.1 fi
553 cebix 1.9 elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
554     dnl SPARC CPU
555 gbeauche 1.23 case "$target_os" in
556     solaris*)
557 cebix 1.9 AC_MSG_CHECKING(SPARC CPU architecture)
558     SPARC_TYPE=`Solaris/which_sparc`
559     AC_MSG_RESULT($SPARC_TYPE)
560     case "$SPARC_TYPE" in
561     SPARC_V8)
562 cebix 1.26 ASM_OPTIMIZATIONS="SPARC V8 architecture"
563 gbeauche 1.31 DEFINES="$DEFINES -DSPARC_V8_ASSEMBLY" dnl -DOPTIMIZED_FLAGS"
564 cebix 1.9 CFLAGS="$CFLAGS -Wa,-Av8"
565     CXXFLAGS="$CXXFLAGS -Wa,-Av8"
566     ;;
567     SPARC_V9)
568 cebix 1.26 ASM_OPTIMIZATIONS="SPARC V9 architecture"
569 gbeauche 1.31 DEFINES="$DEFINES -DSPARC_V9_ASSEMBLY" dnl -DOPTIMIZED_FLAGS"
570 cebix 1.9 CFLAGS="$CFLAGS -Wa,-Av9"
571     CXXFLAGS="$CXXFLAGS -Wa,-Av9"
572     ;;
573     esac
574     ;;
575     esac
576 cebix 1.27 elif [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
577 cebix 1.19 dnl Native m68k, no emulation
578 cebix 1.27 CPUINCLUDES="-I../native_cpu"
579     CPUSRCS="asm_support.s"
580 cebix 1.1 fi
581 cebix 1.9
582 cebix 1.19 dnl UAE CPU sources for all non-m68k-native architectures.
583     if [[ "x$WANT_NATIVE_M68K" = "xno" ]]; then
584 cebix 1.20 CPUINCLUDES="-I../uae_cpu"
585 gbeauche 1.22 CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp $FPUSRCS cpustbl.cpp cpudefs.cpp $CPUSRCS"
586 cebix 1.19 fi
587 cebix 1.1
588 gbeauche 1.23 dnl Remove the "-g" option if set for GCC.
589     if [[ "x$HAVE_GCC27" = "xyes" ]]; then
590 cebix 1.26 dnl gb-- Probably not the cleanest way to take
591     CFLAGS=`echo $CFLAGS | sed -e 's/ -g / /;s/^-g / /;s/ -g$/ /;s/^-g$//'`
592     CXXFLAGS=`echo $CXXFLAGS | sed -e 's/ -g / /;s/^-g / /;s/ -g$/ /;s/^-g$//'`
593 gbeauche 1.23 fi
594    
595 cebix 1.3 dnl Generate Makefile.
596 cebix 1.1 AC_SUBST(DEFINES)
597     AC_SUBST(SYSSRCS)
598     AC_SUBST(CPUINCLUDES)
599     AC_SUBST(CPUSRCS)
600     AC_OUTPUT(Makefile)
601 cebix 1.12
602     dnl Print summary.
603     echo
604     echo Basilisk II configuration summary:
605     echo
606     echo XFree86 DGA support .............. : $WANT_XF86_DGA
607 cebix 1.17 echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
608 cebix 1.12 echo fbdev DGA support ................ : $WANT_FBDEV_DGA
609 gbeauche 1.23 echo Enable video on SEGV signals ..... : $WANT_VOSF
610 cebix 1.12 echo ESD sound support ................ : $WANT_ESD
611 cebix 1.14 echo GTK user interface ............... : $WANT_GTK
612 cebix 1.12 echo mon debugger support ............. : $WANT_MON
613 cebix 1.19 echo Running m68k code natively ....... : $WANT_NATIVE_M68K
614 gbeauche 1.23 echo Assembly optimizations ........... : $ASM_OPTIMIZATIONS
615     echo Addressing mode .................. : $ADDRESSING_MODE
616 cebix 1.12 echo
617 cebix 1.19 echo "Configuration done. Now type \"make\" (or \"gmake\")."