6 |
|
AC_CONFIG_HEADER(config.h) |
7 |
|
|
8 |
|
dnl Options. |
9 |
+ |
AC_ARG_ENABLE(ppc-emulator, [ --enable-ppc-emulator use the selected PowerPC emulator [default=auto]], [WANT_EMULATED_PPC=$enableval], [WANT_EMULATED_PPC=auto]) |
10 |
|
AC_ARG_ENABLE(xf86-dga, [ --enable-xf86-dga use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes]) |
11 |
|
AC_ARG_ENABLE(xf86-vidmode, [ --enable-xf86-vidmode use the XFree86 VidMode extension [default=yes]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=yes]) |
12 |
+ |
AC_ARG_ENABLE(vosf, [ --enable-vosf enable video on SEGV signals [default=yes]], [WANT_VOSF=$enableval], [WANT_VOSF=yes]) |
13 |
|
AC_ARG_WITH(esd, [ --with-esd support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes]) |
14 |
|
AC_ARG_WITH(gtk, [ --with-gtk use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes]) |
15 |
|
AC_ARG_WITH(mon, [ --with-mon use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes]) |
31 |
|
#endif |
32 |
|
], [AC_MSG_RESULT(yes); HAVE_PPC=yes], AC_MSG_RESULT(no)) |
33 |
|
|
34 |
+ |
dnl We use native CPU if possible. |
35 |
+ |
EMULATED_PPC=yes |
36 |
+ |
case $WANT_EMULATED_PPC in |
37 |
+ |
auto) [[ "x$HAVE_PPC" = "xyes" ]] && EMULATED_PPC=no;; |
38 |
+ |
no) EMULATED_PPC=no;; |
39 |
+ |
esac |
40 |
+ |
if [[ "x$EMULATED_PPC" = "xyes" ]]; then |
41 |
+ |
AC_DEFINE(EMULATED_PPC) |
42 |
+ |
fi |
43 |
+ |
|
44 |
|
dnl We use mon if possible. |
45 |
|
MONSRCS= |
46 |
|
if [[ "x$WANT_MON" = "xyes" ]]; then |
51 |
|
AC_DEFINE(ENABLE_MON) |
52 |
|
MONSRCS="$mon_srcdir/mon.cpp $mon_srcdir/mon_6502.cpp $mon_srcdir/mon_z80.cpp $mon_srcdir/mon_cmd.cpp $mon_srcdir/mon_lowmem.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 $mon_srcdir/disass/m68k-opc.c" |
53 |
|
CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass" |
54 |
+ |
AC_CHECK_LIB(ncurses, tgetent, , |
55 |
+ |
AC_CHECK_LIB(termcap, tgetent, , |
56 |
+ |
AC_CHECK_LIB(termlib, tgetent, , |
57 |
+ |
AC_CHECK_LIB(terminfo, tgetent, , |
58 |
+ |
AC_CHECK_LIB(Hcurses, tgetent, , |
59 |
+ |
AC_CHECK_LIB(curses, tgetent)))))) |
60 |
|
AC_CHECK_LIB(readline, readline) |
43 |
– |
AC_CHECK_LIB(termcap, tputs) |
61 |
|
AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h) |
62 |
|
else |
63 |
|
AC_MSG_RESULT(no) |
80 |
|
|
81 |
|
dnl We need pthreads on non-PowerPC systems. Try libpthread first, then libc_r (FreeBSD), then PTL. |
82 |
|
HAVE_PTHREADS=yes |
83 |
< |
if [[ "x$HAVE_PPC" = "xno" ]]; then |
83 |
> |
if [[ "x$EMULATED_PPC" = "xyes" ]]; then |
84 |
|
AC_CHECK_LIB(pthread, pthread_create, , [ |
85 |
|
AC_CHECK_LIB(c_r, pthread_create, , [ |
86 |
|
AC_CHECK_LIB(PTL, pthread_create, , [ |
94 |
|
dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes. |
95 |
|
SEMSRC= |
96 |
|
AC_CHECK_FUNCS(sem_init, , [ |
97 |
< |
if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then |
97 |
> |
if test "x$HAVE_PTHREADS" = "xyes"; then |
98 |
|
SEMSRC=posix_sem.cpp |
99 |
|
fi |
100 |
|
]) |
152 |
|
dnl Checks for header files. |
153 |
|
AC_HEADER_STDC |
154 |
|
AC_HEADER_SYS_WAIT |
155 |
< |
AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h) |
155 |
> |
AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h) |
156 |
> |
AC_CHECK_HEADERS(sys/time.h sys/times.h) |
157 |
> |
AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h) |
158 |
|
|
159 |
|
dnl Checks for typedefs, structures, and compiler characteristics. |
160 |
|
AC_C_BIGENDIAN |
164 |
|
AC_CHECK_SIZEOF(int, 4) |
165 |
|
AC_CHECK_SIZEOF(long, 4) |
166 |
|
AC_CHECK_SIZEOF(long long, 8) |
167 |
+ |
AC_CHECK_SIZEOF(float, 4) |
168 |
+ |
AC_CHECK_SIZEOF(double, 8) |
169 |
+ |
AC_CHECK_SIZEOF(void *, 4) |
170 |
|
AC_TYPE_OFF_T |
171 |
|
AC_CHECK_TYPE(loff_t, off_t) |
172 |
|
AC_TYPE_SIZE_T |
173 |
+ |
AC_TYPE_SIGNAL |
174 |
|
AC_HEADER_TIME |
175 |
|
AC_STRUCT_TM |
176 |
|
|
177 |
|
dnl Checks for library functions. |
178 |
|
AC_CHECK_FUNCS(strdup cfmakeraw) |
179 |
|
AC_CHECK_FUNCS(nanosleep clock_gettime timer_create) |
180 |
+ |
AC_CHECK_FUNCS(sigaction signal) |
181 |
+ |
AC_CHECK_FUNCS(mmap mprotect munmap) |
182 |
+ |
AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect) |
183 |
|
|
184 |
|
dnl Select system-dependant sources. |
185 |
< |
if [[ "x$HAVE_PPC" = "xyes" ]]; then |
185 |
> |
if [[ "x$EMULATED_PPC" = "xno" ]]; then |
186 |
|
SYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c Linux/asm_linux.S" |
187 |
|
else |
188 |
< |
SYSSRCS="../emul_ppc/emul_ppc.cpp" |
188 |
> |
SYSSRCS="../kpx_cpu/sheepshaver_glue.cpp \ |
189 |
> |
../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \ |
190 |
> |
../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \ |
191 |
> |
../kpx_cpu/src/cpu/ppc/ppc-execute.cpp" |
192 |
> |
CPPFLAGS="$CPPFLAGS -I../kpx_cpu/include -I../kpx_cpu/src" |
193 |
|
fi |
194 |
|
SYSSRCS="$SYSSRCS $SEMSRCS $UISRCS $MONSRCS" |
195 |
|
|
196 |
+ |
dnl Define a macro that translates a yesno-variable into a C macro definition |
197 |
+ |
dnl to be put into the config.h file |
198 |
+ |
dnl $1 -- the macro to define |
199 |
+ |
dnl $2 -- the value to translate |
200 |
+ |
dnl $3 -- template name |
201 |
+ |
AC_DEFUN(AC_TRANSLATE_DEFINE, [ |
202 |
+ |
if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then |
203 |
+ |
AC_DEFINE($1, 1, $3) |
204 |
+ |
fi |
205 |
+ |
]) |
206 |
+ |
|
207 |
+ |
dnl Various checks if the system supports vm_allocate() and the like functions. |
208 |
+ |
have_mach_vm=no |
209 |
+ |
if [[ "x$ac_cv_func_vm_allocate" = "xyes" -a "x$ac_cv_func_vm_deallocate" = "xyes" -a \ |
210 |
+ |
"x$ac_cv_func_vm_protect" = "xyes" ]]; then |
211 |
+ |
have_mach_vm=yes |
212 |
+ |
fi |
213 |
+ |
AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm", |
214 |
+ |
[Define if your system has a working vm_allocate()-based memory allocator.]) |
215 |
+ |
|
216 |
+ |
dnl Check that vm_allocate(), vm_protect() work |
217 |
+ |
if [[ "x$have_mach_vm" = "xyes" ]]; then |
218 |
+ |
|
219 |
+ |
AC_CACHE_CHECK([whether vm_protect works], |
220 |
+ |
ac_cv_vm_protect_works, [ |
221 |
+ |
AC_LANG_SAVE |
222 |
+ |
AC_LANG_CPLUSPLUS |
223 |
+ |
ac_cv_vm_protect_works=yes |
224 |
+ |
dnl First the tests that should segfault |
225 |
+ |
for test_def in NONE_READ NONE_WRITE READ_WRITE; do |
226 |
+ |
AC_TRY_RUN([ |
227 |
+ |
#define CONFIGURE_TEST_VM_MAP |
228 |
+ |
#define TEST_VM_PROT_$test_def |
229 |
+ |
#include "vm_alloc.cpp" |
230 |
+ |
], ac_cv_vm_protect_works=no, rm -f core, |
231 |
+ |
dnl When cross-compiling, do not assume anything |
232 |
+ |
ac_cv_vm_protect_works="guessing no" |
233 |
+ |
) |
234 |
+ |
done |
235 |
+ |
AC_TRY_RUN([ |
236 |
+ |
#define CONFIGURE_TEST_VM_MAP |
237 |
+ |
#define TEST_VM_PROT_RDWR_WRITE |
238 |
+ |
#include "vm_alloc.cpp" |
239 |
+ |
], , ac_cv_vm_protect_works=no, |
240 |
+ |
dnl When cross-compiling, do not assume anything |
241 |
+ |
ac_cv_vm_protect_works="guessing no" |
242 |
+ |
) |
243 |
+ |
AC_LANG_RESTORE |
244 |
+ |
] |
245 |
+ |
) |
246 |
+ |
|
247 |
+ |
dnl Remove support for vm_allocate() if vm_protect() does not work |
248 |
+ |
if [[ "x$have_mach_vm" = "xyes" ]]; then |
249 |
+ |
case $ac_cv_vm_protect_works in |
250 |
+ |
*yes) have_mach_vm=yes;; |
251 |
+ |
*no) have_mach_vm=no;; |
252 |
+ |
esac |
253 |
+ |
fi |
254 |
+ |
AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm", |
255 |
+ |
[Define if your system has a working vm_allocate()-based memory allocator.]) |
256 |
+ |
|
257 |
+ |
fi dnl HAVE_MACH_VM |
258 |
+ |
|
259 |
+ |
dnl Various checks if the system supports mmap() and the like functions. |
260 |
+ |
dnl ... and Mach memory allocators are not supported |
261 |
+ |
have_mmap_vm=no |
262 |
+ |
if [[ "x$ac_cv_func_mmap" = "xyes" -a "x$ac_cv_func_munmap" = "xyes" -a \ |
263 |
+ |
"x$ac_cv_func_mprotect" = "xyes" ]]; then |
264 |
+ |
if [[ "x$have_mach_vm" = "xno" ]]; then |
265 |
+ |
have_mmap_vm=yes |
266 |
+ |
fi |
267 |
+ |
fi |
268 |
+ |
AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, "$have_mmap_vm", |
269 |
+ |
[Define if your system has a working mmap()-based memory allocator.]) |
270 |
+ |
|
271 |
+ |
dnl Check that mmap() and associated functions work. |
272 |
+ |
if [[ "x$have_mmap_vm" = "xyes" ]]; then |
273 |
+ |
|
274 |
+ |
dnl Check if we have a working anonymous mmap() |
275 |
+ |
AC_CACHE_CHECK([whether mmap supports MAP_ANON], |
276 |
+ |
ac_cv_mmap_anon, [ |
277 |
+ |
AC_LANG_SAVE |
278 |
+ |
AC_LANG_CPLUSPLUS |
279 |
+ |
AC_TRY_RUN([ |
280 |
+ |
#define HAVE_MMAP_ANON |
281 |
+ |
#define CONFIGURE_TEST_VM_MAP |
282 |
+ |
#define TEST_VM_MMAP_ANON |
283 |
+ |
#include "vm_alloc.cpp" |
284 |
+ |
], ac_cv_mmap_anon=yes, ac_cv_mmap_anon=no, |
285 |
+ |
dnl When cross-compiling, do not assume anything. |
286 |
+ |
ac_cv_mmap_anon="guessing no" |
287 |
+ |
) |
288 |
+ |
AC_LANG_RESTORE |
289 |
+ |
] |
290 |
+ |
) |
291 |
+ |
AC_TRANSLATE_DEFINE(HAVE_MMAP_ANON, "$ac_cv_mmap_anon", |
292 |
+ |
[Define if <sys/mman.h> defines MAP_ANON and mmap()'ing with MAP_ANON works.]) |
293 |
+ |
|
294 |
+ |
AC_CACHE_CHECK([whether mmap supports MAP_ANONYMOUS], |
295 |
+ |
ac_cv_mmap_anonymous, [ |
296 |
+ |
AC_LANG_SAVE |
297 |
+ |
AC_LANG_CPLUSPLUS |
298 |
+ |
AC_TRY_RUN([ |
299 |
+ |
#define HAVE_MMAP_ANONYMOUS |
300 |
+ |
#define CONFIGURE_TEST_VM_MAP |
301 |
+ |
#define TEST_VM_MMAP_ANON |
302 |
+ |
#include "vm_alloc.cpp" |
303 |
+ |
], ac_cv_mmap_anonymous=yes, ac_cv_mmap_anonymous=no, |
304 |
+ |
dnl When cross-compiling, do not assume anything. |
305 |
+ |
ac_cv_mmap_anonymous="guessing no" |
306 |
+ |
) |
307 |
+ |
AC_LANG_RESTORE |
308 |
+ |
] |
309 |
+ |
) |
310 |
+ |
AC_TRANSLATE_DEFINE(HAVE_MMAP_ANONYMOUS, "$ac_cv_mmap_anonymous", |
311 |
+ |
[Define if <sys/mman.h> defines MAP_ANONYMOUS and mmap()'ing with MAP_ANONYMOUS works.]) |
312 |
+ |
|
313 |
+ |
AC_CACHE_CHECK([whether mprotect works], |
314 |
+ |
ac_cv_mprotect_works, [ |
315 |
+ |
AC_LANG_SAVE |
316 |
+ |
AC_LANG_CPLUSPLUS |
317 |
+ |
ac_cv_mprotect_works=yes |
318 |
+ |
dnl First the tests that should segfault |
319 |
+ |
for test_def in NONE_READ NONE_WRITE READ_WRITE; do |
320 |
+ |
AC_TRY_RUN([ |
321 |
+ |
#define CONFIGURE_TEST_VM_MAP |
322 |
+ |
#define TEST_VM_PROT_$test_def |
323 |
+ |
#include "vm_alloc.cpp" |
324 |
+ |
], ac_cv_mprotect_works=no, rm -f core, |
325 |
+ |
dnl When cross-compiling, do not assume anything |
326 |
+ |
ac_cv_mprotect_works="guessing no" |
327 |
+ |
) |
328 |
+ |
done |
329 |
+ |
AC_TRY_RUN([ |
330 |
+ |
#define CONFIGURE_TEST_VM_MAP |
331 |
+ |
#define TEST_VM_PROT_RDWR_WRITE |
332 |
+ |
#include "vm_alloc.cpp" |
333 |
+ |
], , ac_cv_mprotect_works=no, |
334 |
+ |
dnl When cross-compiling, do not assume anything |
335 |
+ |
ac_cv_mprotect_works="guessing no" |
336 |
+ |
) |
337 |
+ |
AC_LANG_RESTORE |
338 |
+ |
] |
339 |
+ |
) |
340 |
+ |
|
341 |
+ |
dnl Remove support for mmap() if mprotect() does not work |
342 |
+ |
if [[ "x$have_mmap_vm" = "xyes" ]]; then |
343 |
+ |
case $ac_cv_mprotect_works in |
344 |
+ |
*yes) have_mmap_vm=yes;; |
345 |
+ |
*no) have_mmap_vm=no;; |
346 |
+ |
esac |
347 |
+ |
fi |
348 |
+ |
AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_mmap_vm, |
349 |
+ |
[Define if your system has a working mmap()-based memory allocator.]) |
350 |
+ |
|
351 |
+ |
fi dnl HAVE_MMAP_VM |
352 |
+ |
|
353 |
+ |
dnl Check if we can mmap 0x2000 bytes from 0x0000 |
354 |
+ |
AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x2000], |
355 |
+ |
ac_cv_can_map_lm, [ |
356 |
+ |
AC_LANG_SAVE |
357 |
+ |
AC_LANG_CPLUSPLUS |
358 |
+ |
AC_TRY_RUN([ |
359 |
+ |
#include "vm_alloc.cpp" |
360 |
+ |
int main(void) { /* returns 0 if we could map the lowmem globals */ |
361 |
+ |
volatile char * lm = 0; |
362 |
+ |
if (vm_init() < 0) exit(1); |
363 |
+ |
if (vm_acquire_fixed(0, 0x2000) < 0) exit(1); |
364 |
+ |
lm[0] = 'z'; |
365 |
+ |
if (vm_release((char *)lm, 0x2000) < 0) exit(1); |
366 |
+ |
vm_exit(); exit(0); |
367 |
+ |
} |
368 |
+ |
], ac_cv_can_map_lm=yes, ac_cv_can_map_lm=no, |
369 |
+ |
dnl When cross-compiling, do not assume anything. |
370 |
+ |
ac_cv_can_map_lm="guessing no" |
371 |
+ |
) |
372 |
+ |
AC_LANG_RESTORE |
373 |
+ |
] |
374 |
+ |
) |
375 |
+ |
|
376 |
+ |
dnl Check signal handlers need to be reinstalled |
377 |
+ |
AC_CACHE_CHECK([whether signal handlers need to be reinstalled], |
378 |
+ |
ac_cv_signal_need_reinstall, [ |
379 |
+ |
AC_LANG_SAVE |
380 |
+ |
AC_LANG_CPLUSPLUS |
381 |
+ |
AC_TRY_RUN([ |
382 |
+ |
#include <stdlib.h> |
383 |
+ |
#ifdef HAVE_UNISTD_H |
384 |
+ |
#include <unistd.h> |
385 |
+ |
#endif |
386 |
+ |
#include <signal.h> |
387 |
+ |
static int handled_signal = 0; |
388 |
+ |
RETSIGTYPE sigusr1_handler(int) { handled_signal++; } |
389 |
+ |
int main(void) { /* returns 0 if signals need not to be reinstalled */ |
390 |
+ |
signal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1); |
391 |
+ |
exit(handled_signal == 2); |
392 |
+ |
} |
393 |
+ |
], ac_cv_signal_need_reinstall=yes, ac_cv_signal_need_reinstall=no, |
394 |
+ |
dnl When cross-compiling, do not assume anything. |
395 |
+ |
ac_cv_signal_need_reinstall="guessing yes" |
396 |
+ |
) |
397 |
+ |
AC_LANG_RESTORE |
398 |
+ |
] |
399 |
+ |
) |
400 |
+ |
AC_TRANSLATE_DEFINE(SIGNAL_NEED_REINSTALL, "$ac_cv_signal_need_reinstall", |
401 |
+ |
[Define if your system requires signals to be reinstalled.]) |
402 |
+ |
|
403 |
+ |
dnl Check if sigaction handlers need to be reinstalled |
404 |
+ |
AC_CACHE_CHECK([whether sigaction handlers need to be reinstalled], |
405 |
+ |
ac_cv_sigaction_need_reinstall, [ |
406 |
+ |
AC_LANG_SAVE |
407 |
+ |
AC_LANG_CPLUSPLUS |
408 |
+ |
AC_TRY_RUN([ |
409 |
+ |
#include <stdlib.h> |
410 |
+ |
#ifdef HAVE_UNISTD_H |
411 |
+ |
#include <unistd.h> |
412 |
+ |
#endif |
413 |
+ |
#include <signal.h> |
414 |
+ |
static int handled_signal = 0; |
415 |
+ |
RETSIGTYPE sigusr1_handler(int) { handled_signal++; } |
416 |
+ |
typedef RETSIGTYPE (*signal_handler)(int); |
417 |
+ |
static signal_handler mysignal(int sig, signal_handler handler) { |
418 |
+ |
struct sigaction old_sa; |
419 |
+ |
struct sigaction new_sa; |
420 |
+ |
new_sa.sa_handler = handler; |
421 |
+ |
return ((sigaction(sig,&new_sa,&old_sa) < 0) ? SIG_IGN : old_sa.sa_handler); |
422 |
+ |
} |
423 |
+ |
int main(void) { /* returns 0 if signals need not to be reinstalled */ |
424 |
+ |
mysignal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1); |
425 |
+ |
exit(handled_signal == 2); |
426 |
+ |
} |
427 |
+ |
], ac_cv_sigaction_need_reinstall=yes, ac_cv_sigaction_need_reinstall=no, |
428 |
+ |
dnl When cross-compiling, do not assume anything. |
429 |
+ |
ac_cv_sigaction_need_reinstall="guessing yes" |
430 |
+ |
) |
431 |
+ |
AC_LANG_RESTORE |
432 |
+ |
] |
433 |
+ |
) |
434 |
+ |
AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall", |
435 |
+ |
[Define if your system requires sigactions to be reinstalled.]) |
436 |
+ |
|
437 |
+ |
dnl Check if extended signals are supported. |
438 |
+ |
AC_CACHE_CHECK([whether your system supports extended signal handlers], |
439 |
+ |
ac_cv_have_extended_signals, [ |
440 |
+ |
AC_LANG_SAVE |
441 |
+ |
AC_LANG_CPLUSPLUS |
442 |
+ |
AC_TRY_RUN([ |
443 |
+ |
#define HAVE_SIGINFO_T 1 |
444 |
+ |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
445 |
+ |
#include "vm_alloc.cpp" |
446 |
+ |
#include "sigsegv.cpp" |
447 |
+ |
], ac_cv_have_extended_signals=yes, ac_cv_have_extended_signals=no, |
448 |
+ |
dnl When cross-compiling, do not assume anything. |
449 |
+ |
ac_cv_have_extended_signals=no |
450 |
+ |
) |
451 |
+ |
AC_LANG_RESTORE |
452 |
+ |
] |
453 |
+ |
) |
454 |
+ |
AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals", |
455 |
+ |
[Define if your system support extended signals.]) |
456 |
+ |
|
457 |
+ |
dnl Otherwise, check for subterfuges. |
458 |
+ |
if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then |
459 |
+ |
AC_CACHE_CHECK([whether we then have a subterfuge for your system], |
460 |
+ |
ac_cv_have_sigcontext_hack, [ |
461 |
+ |
AC_LANG_SAVE |
462 |
+ |
AC_LANG_CPLUSPLUS |
463 |
+ |
AC_TRY_RUN([ |
464 |
+ |
#define HAVE_SIGCONTEXT_SUBTERFUGE 1 |
465 |
+ |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
466 |
+ |
#include "vm_alloc.cpp" |
467 |
+ |
#include "sigsegv.cpp" |
468 |
+ |
], ac_cv_have_sigcontext_hack=yes, ac_cv_have_sigcontext_hack=no, |
469 |
+ |
dnl When cross-compiling, do not assume anything. |
470 |
+ |
ac_cv_have_sigcontext_hack=no |
471 |
+ |
) |
472 |
+ |
AC_LANG_RESTORE |
473 |
+ |
]) |
474 |
+ |
AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, "$ac_cv_have_sigcontext_hack", |
475 |
+ |
[Define if we know a hack to replace siginfo_t->si_addr member.]) |
476 |
+ |
fi |
477 |
+ |
|
478 |
+ |
dnl Check if we can ignore the fault (instruction skipping in SIGSEGV handler) |
479 |
+ |
AC_CACHE_CHECK([whether we can skip instruction in SIGSEGV handler], |
480 |
+ |
ac_cv_have_skip_instruction, [ |
481 |
+ |
AC_LANG_SAVE |
482 |
+ |
AC_LANG_CPLUSPLUS |
483 |
+ |
AC_TRY_RUN([ |
484 |
+ |
#define HAVE_SIGSEGV_SKIP_INSTRUCTION 1 |
485 |
+ |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
486 |
+ |
#include "vm_alloc.cpp" |
487 |
+ |
#include "sigsegv.cpp" |
488 |
+ |
], ac_cv_have_skip_instruction=yes, ac_cv_have_skip_instruction=no, |
489 |
+ |
dnl When cross-compiling, do not assume anything. |
490 |
+ |
ac_cv_have_skip_instruction=no |
491 |
+ |
) |
492 |
+ |
AC_LANG_RESTORE |
493 |
+ |
] |
494 |
+ |
) |
495 |
+ |
AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_INSTRUCTION, "$ac_cv_have_skip_instruction", |
496 |
+ |
[Define if we can ignore the fault (instruction skipping in SIGSEGV handler).]) |
497 |
+ |
|
498 |
+ |
dnl Can we do Video on SEGV Signals ? |
499 |
+ |
CAN_VOSF=no |
500 |
+ |
if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then |
501 |
+ |
CAN_VOSF=yes |
502 |
+ |
fi |
503 |
+ |
|
504 |
+ |
dnl Enable VOSF screen updates with this feature is requested and feasible |
505 |
+ |
if [[ "x$WANT_VOSF" = "xyes" -a "x$CAN_VOSF" = "xyes" ]]; then |
506 |
+ |
AC_DEFINE(ENABLE_VOSF, 1, [Define if using video enabled on SEGV signals.]) |
507 |
+ |
else |
508 |
+ |
WANT_VOSF=no |
509 |
+ |
fi |
510 |
+ |
|
511 |
|
dnl Generate Makefile. |
512 |
|
AC_SUBST(SYSSRCS) |
513 |
|
AC_OUTPUT(Makefile) |
518 |
|
echo |
519 |
|
echo XFree86 DGA support .............. : $WANT_XF86_DGA |
520 |
|
echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE |
521 |
+ |
echo Using PowerPC emulator ........... : $EMULATED_PPC |
522 |
+ |
echo Enable video on SEGV signals ..... : $WANT_VOSF |
523 |
|
echo ESD sound support ................ : $WANT_ESD |
524 |
|
echo GTK user interface ............... : $WANT_GTK |
525 |
|
echo mon debugger support ............. : $WANT_MON |