5 |
|
AC_PREREQ(2.12) |
6 |
|
AC_CONFIG_HEADER(config.h) |
7 |
|
|
8 |
+ |
dnl Canonical system information. |
9 |
+ |
AC_CANONICAL_HOST |
10 |
+ |
AC_CANONICAL_TARGET |
11 |
+ |
|
12 |
|
dnl Options. |
13 |
+ |
AC_ARG_ENABLE(jit, [ --enable-jit enable JIT compiler [default=yes]], [WANT_JIT=$enableval], [WANT_JIT=yes]) |
14 |
+ |
AC_ARG_ENABLE(ppc-emulator, [ --enable-ppc-emulator use the selected PowerPC emulator [default=auto]], [WANT_EMULATED_PPC=$enableval], [WANT_EMULATED_PPC=auto]) |
15 |
|
AC_ARG_ENABLE(xf86-dga, [ --enable-xf86-dga use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes]) |
16 |
|
AC_ARG_ENABLE(xf86-vidmode, [ --enable-xf86-vidmode use the XFree86 VidMode extension [default=yes]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=yes]) |
17 |
+ |
AC_ARG_ENABLE(vosf, [ --enable-vosf enable video on SEGV signals [default=yes]], [WANT_VOSF=$enableval], [WANT_VOSF=yes]) |
18 |
|
AC_ARG_WITH(esd, [ --with-esd support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes]) |
19 |
|
AC_ARG_WITH(gtk, [ --with-gtk use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes]) |
20 |
|
AC_ARG_WITH(mon, [ --with-mon use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes]) |
36 |
|
#endif |
37 |
|
], [AC_MSG_RESULT(yes); HAVE_PPC=yes], AC_MSG_RESULT(no)) |
38 |
|
|
39 |
+ |
dnl We use native CPU if possible. |
40 |
+ |
EMULATED_PPC=yes |
41 |
+ |
case $WANT_EMULATED_PPC in |
42 |
+ |
auto) [[ "x$HAVE_PPC" = "xyes" ]] && EMULATED_PPC=no;; |
43 |
+ |
no) EMULATED_PPC=no;; |
44 |
+ |
esac |
45 |
+ |
if [[ "x$EMULATED_PPC" = "xyes" ]]; then |
46 |
+ |
AC_DEFINE(EMULATED_PPC) |
47 |
+ |
fi |
48 |
+ |
|
49 |
|
dnl We use mon if possible. |
50 |
|
MONSRCS= |
51 |
+ |
case "x$WANT_MON" in |
52 |
+ |
x/* | x.*) |
53 |
+ |
mon_srcdir=$WANT_MON |
54 |
+ |
WANT_MON=yes |
55 |
+ |
;; |
56 |
+ |
xyes) |
57 |
+ |
mon_srcdir=../../../mon/src |
58 |
+ |
;; |
59 |
+ |
esac |
60 |
|
if [[ "x$WANT_MON" = "xyes" ]]; then |
61 |
|
AC_MSG_CHECKING(for mon) |
36 |
– |
mon_srcdir=../../../mon/src |
62 |
|
if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then |
63 |
|
AC_MSG_RESULT(yes) |
64 |
|
AC_DEFINE(ENABLE_MON) |
65 |
|
MONSRCS="$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 $mon_srcdir/disass/m68k-opc.c" |
66 |
|
CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass" |
67 |
+ |
AC_CHECK_LIB(ncurses, tgetent, , |
68 |
+ |
AC_CHECK_LIB(termcap, tgetent, , |
69 |
+ |
AC_CHECK_LIB(termlib, tgetent, , |
70 |
+ |
AC_CHECK_LIB(terminfo, tgetent, , |
71 |
+ |
AC_CHECK_LIB(Hcurses, tgetent, , |
72 |
+ |
AC_CHECK_LIB(curses, tgetent)))))) |
73 |
|
AC_CHECK_LIB(readline, readline) |
43 |
– |
AC_CHECK_LIB(termcap, tputs) |
74 |
|
AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h) |
75 |
|
else |
76 |
|
AC_MSG_RESULT(no) |
93 |
|
|
94 |
|
dnl We need pthreads on non-PowerPC systems. Try libpthread first, then libc_r (FreeBSD), then PTL. |
95 |
|
HAVE_PTHREADS=yes |
96 |
< |
if [[ "x$HAVE_PPC" = "xno" ]]; then |
96 |
> |
if [[ "x$EMULATED_PPC" = "xyes" ]]; then |
97 |
|
AC_CHECK_LIB(pthread, pthread_create, , [ |
98 |
|
AC_CHECK_LIB(c_r, pthread_create, , [ |
99 |
|
AC_CHECK_LIB(PTL, pthread_create, , [ |
102 |
|
]) |
103 |
|
]) |
104 |
|
AC_CHECK_FUNCS(pthread_cancel) |
105 |
+ |
if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then |
106 |
+ |
AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.]) |
107 |
+ |
fi |
108 |
+ |
else |
109 |
+ |
dnl We do have our own pthread_cancel() implementation |
110 |
+ |
AC_DEFINE(HAVE_PTHREAD_CANCEL, 1, [Define if you have the pthread_cancel function.]) |
111 |
|
fi |
112 |
|
|
113 |
|
dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes. |
114 |
|
SEMSRC= |
115 |
|
AC_CHECK_FUNCS(sem_init, , [ |
116 |
< |
if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then |
116 |
> |
if test "x$HAVE_PTHREADS" = "xyes"; then |
117 |
|
SEMSRC=posix_sem.cpp |
118 |
|
fi |
119 |
|
]) |
171 |
|
dnl Checks for header files. |
172 |
|
AC_HEADER_STDC |
173 |
|
AC_HEADER_SYS_WAIT |
174 |
< |
AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h) |
174 |
> |
AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h) |
175 |
> |
AC_CHECK_HEADERS(sys/time.h sys/times.h) |
176 |
> |
AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h) |
177 |
|
|
178 |
|
dnl Checks for typedefs, structures, and compiler characteristics. |
179 |
|
AC_C_BIGENDIAN |
183 |
|
AC_CHECK_SIZEOF(int, 4) |
184 |
|
AC_CHECK_SIZEOF(long, 4) |
185 |
|
AC_CHECK_SIZEOF(long long, 8) |
186 |
+ |
AC_CHECK_SIZEOF(float, 4) |
187 |
+ |
AC_CHECK_SIZEOF(double, 8) |
188 |
+ |
AC_CHECK_SIZEOF(void *, 4) |
189 |
|
AC_TYPE_OFF_T |
190 |
|
AC_CHECK_TYPE(loff_t, off_t) |
191 |
|
AC_TYPE_SIZE_T |
192 |
+ |
AC_TYPE_SIGNAL |
193 |
|
AC_HEADER_TIME |
194 |
|
AC_STRUCT_TM |
195 |
|
|
196 |
|
dnl Checks for library functions. |
197 |
|
AC_CHECK_FUNCS(strdup cfmakeraw) |
198 |
|
AC_CHECK_FUNCS(nanosleep clock_gettime timer_create) |
199 |
+ |
AC_CHECK_FUNCS(sigaction signal) |
200 |
+ |
AC_CHECK_FUNCS(mmap mprotect munmap) |
201 |
+ |
AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect) |
202 |
|
|
203 |
|
dnl Select system-dependant sources. |
204 |
< |
if [[ "x$HAVE_PPC" = "xyes" ]]; then |
204 |
> |
if [[ "x$EMULATED_PPC" = "xno" ]]; then |
205 |
|
SYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c Linux/asm_linux.S" |
161 |
– |
else |
162 |
– |
SYSSRCS="../emul_ppc/emul_ppc.cpp" |
206 |
|
fi |
207 |
|
SYSSRCS="$SYSSRCS $SEMSRCS $UISRCS $MONSRCS" |
208 |
|
|
209 |
+ |
dnl Define a macro that translates a yesno-variable into a C macro definition |
210 |
+ |
dnl to be put into the config.h file |
211 |
+ |
dnl $1 -- the macro to define |
212 |
+ |
dnl $2 -- the value to translate |
213 |
+ |
dnl $3 -- template name |
214 |
+ |
AC_DEFUN(AC_TRANSLATE_DEFINE, [ |
215 |
+ |
if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then |
216 |
+ |
AC_DEFINE($1, 1, $3) |
217 |
+ |
fi |
218 |
+ |
]) |
219 |
+ |
|
220 |
+ |
dnl Various checks if the system supports vm_allocate() and the like functions. |
221 |
+ |
have_mach_vm=no |
222 |
+ |
if [[ "x$ac_cv_func_vm_allocate" = "xyes" -a "x$ac_cv_func_vm_deallocate" = "xyes" -a \ |
223 |
+ |
"x$ac_cv_func_vm_protect" = "xyes" ]]; then |
224 |
+ |
have_mach_vm=yes |
225 |
+ |
fi |
226 |
+ |
AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm", |
227 |
+ |
[Define if your system has a working vm_allocate()-based memory allocator.]) |
228 |
+ |
|
229 |
+ |
dnl Check that vm_allocate(), vm_protect() work |
230 |
+ |
if [[ "x$have_mach_vm" = "xyes" ]]; then |
231 |
+ |
|
232 |
+ |
AC_CACHE_CHECK([whether vm_protect works], |
233 |
+ |
ac_cv_vm_protect_works, [ |
234 |
+ |
AC_LANG_SAVE |
235 |
+ |
AC_LANG_CPLUSPLUS |
236 |
+ |
ac_cv_vm_protect_works=yes |
237 |
+ |
dnl First the tests that should segfault |
238 |
+ |
for test_def in NONE_READ NONE_WRITE READ_WRITE; do |
239 |
+ |
AC_TRY_RUN([ |
240 |
+ |
#define CONFIGURE_TEST_VM_MAP |
241 |
+ |
#define TEST_VM_PROT_$test_def |
242 |
+ |
#include "vm_alloc.cpp" |
243 |
+ |
], ac_cv_vm_protect_works=no, rm -f core, |
244 |
+ |
dnl When cross-compiling, do not assume anything |
245 |
+ |
ac_cv_vm_protect_works="guessing no" |
246 |
+ |
) |
247 |
+ |
done |
248 |
+ |
AC_TRY_RUN([ |
249 |
+ |
#define CONFIGURE_TEST_VM_MAP |
250 |
+ |
#define TEST_VM_PROT_RDWR_WRITE |
251 |
+ |
#include "vm_alloc.cpp" |
252 |
+ |
], , ac_cv_vm_protect_works=no, |
253 |
+ |
dnl When cross-compiling, do not assume anything |
254 |
+ |
ac_cv_vm_protect_works="guessing no" |
255 |
+ |
) |
256 |
+ |
AC_LANG_RESTORE |
257 |
+ |
] |
258 |
+ |
) |
259 |
+ |
|
260 |
+ |
dnl Remove support for vm_allocate() if vm_protect() does not work |
261 |
+ |
if [[ "x$have_mach_vm" = "xyes" ]]; then |
262 |
+ |
case $ac_cv_vm_protect_works in |
263 |
+ |
*yes) have_mach_vm=yes;; |
264 |
+ |
*no) have_mach_vm=no;; |
265 |
+ |
esac |
266 |
+ |
fi |
267 |
+ |
AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm", |
268 |
+ |
[Define if your system has a working vm_allocate()-based memory allocator.]) |
269 |
+ |
|
270 |
+ |
fi dnl HAVE_MACH_VM |
271 |
+ |
|
272 |
+ |
dnl Various checks if the system supports mmap() and the like functions. |
273 |
+ |
dnl ... and Mach memory allocators are not supported |
274 |
+ |
have_mmap_vm=no |
275 |
+ |
if [[ "x$ac_cv_func_mmap" = "xyes" -a "x$ac_cv_func_munmap" = "xyes" -a \ |
276 |
+ |
"x$ac_cv_func_mprotect" = "xyes" ]]; then |
277 |
+ |
if [[ "x$have_mach_vm" = "xno" ]]; then |
278 |
+ |
have_mmap_vm=yes |
279 |
+ |
fi |
280 |
+ |
fi |
281 |
+ |
AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, "$have_mmap_vm", |
282 |
+ |
[Define if your system has a working mmap()-based memory allocator.]) |
283 |
+ |
|
284 |
+ |
dnl Check that mmap() and associated functions work. |
285 |
+ |
if [[ "x$have_mmap_vm" = "xyes" ]]; then |
286 |
+ |
|
287 |
+ |
dnl Check if we have a working anonymous mmap() |
288 |
+ |
AC_CACHE_CHECK([whether mmap supports MAP_ANON], |
289 |
+ |
ac_cv_mmap_anon, [ |
290 |
+ |
AC_LANG_SAVE |
291 |
+ |
AC_LANG_CPLUSPLUS |
292 |
+ |
AC_TRY_RUN([ |
293 |
+ |
#define HAVE_MMAP_ANON |
294 |
+ |
#define CONFIGURE_TEST_VM_MAP |
295 |
+ |
#define TEST_VM_MMAP_ANON |
296 |
+ |
#include "vm_alloc.cpp" |
297 |
+ |
], ac_cv_mmap_anon=yes, ac_cv_mmap_anon=no, |
298 |
+ |
dnl When cross-compiling, do not assume anything. |
299 |
+ |
ac_cv_mmap_anon="guessing no" |
300 |
+ |
) |
301 |
+ |
AC_LANG_RESTORE |
302 |
+ |
] |
303 |
+ |
) |
304 |
+ |
AC_TRANSLATE_DEFINE(HAVE_MMAP_ANON, "$ac_cv_mmap_anon", |
305 |
+ |
[Define if <sys/mman.h> defines MAP_ANON and mmap()'ing with MAP_ANON works.]) |
306 |
+ |
|
307 |
+ |
AC_CACHE_CHECK([whether mmap supports MAP_ANONYMOUS], |
308 |
+ |
ac_cv_mmap_anonymous, [ |
309 |
+ |
AC_LANG_SAVE |
310 |
+ |
AC_LANG_CPLUSPLUS |
311 |
+ |
AC_TRY_RUN([ |
312 |
+ |
#define HAVE_MMAP_ANONYMOUS |
313 |
+ |
#define CONFIGURE_TEST_VM_MAP |
314 |
+ |
#define TEST_VM_MMAP_ANON |
315 |
+ |
#include "vm_alloc.cpp" |
316 |
+ |
], ac_cv_mmap_anonymous=yes, ac_cv_mmap_anonymous=no, |
317 |
+ |
dnl When cross-compiling, do not assume anything. |
318 |
+ |
ac_cv_mmap_anonymous="guessing no" |
319 |
+ |
) |
320 |
+ |
AC_LANG_RESTORE |
321 |
+ |
] |
322 |
+ |
) |
323 |
+ |
AC_TRANSLATE_DEFINE(HAVE_MMAP_ANONYMOUS, "$ac_cv_mmap_anonymous", |
324 |
+ |
[Define if <sys/mman.h> defines MAP_ANONYMOUS and mmap()'ing with MAP_ANONYMOUS works.]) |
325 |
+ |
|
326 |
+ |
AC_CACHE_CHECK([whether mprotect works], |
327 |
+ |
ac_cv_mprotect_works, [ |
328 |
+ |
AC_LANG_SAVE |
329 |
+ |
AC_LANG_CPLUSPLUS |
330 |
+ |
ac_cv_mprotect_works=yes |
331 |
+ |
dnl First the tests that should segfault |
332 |
+ |
for test_def in NONE_READ NONE_WRITE READ_WRITE; do |
333 |
+ |
AC_TRY_RUN([ |
334 |
+ |
#define CONFIGURE_TEST_VM_MAP |
335 |
+ |
#define TEST_VM_PROT_$test_def |
336 |
+ |
#include "vm_alloc.cpp" |
337 |
+ |
], ac_cv_mprotect_works=no, rm -f core, |
338 |
+ |
dnl When cross-compiling, do not assume anything |
339 |
+ |
ac_cv_mprotect_works="guessing no" |
340 |
+ |
) |
341 |
+ |
done |
342 |
+ |
AC_TRY_RUN([ |
343 |
+ |
#define CONFIGURE_TEST_VM_MAP |
344 |
+ |
#define TEST_VM_PROT_RDWR_WRITE |
345 |
+ |
#include "vm_alloc.cpp" |
346 |
+ |
], , ac_cv_mprotect_works=no, |
347 |
+ |
dnl When cross-compiling, do not assume anything |
348 |
+ |
ac_cv_mprotect_works="guessing no" |
349 |
+ |
) |
350 |
+ |
AC_LANG_RESTORE |
351 |
+ |
] |
352 |
+ |
) |
353 |
+ |
|
354 |
+ |
dnl Remove support for mmap() if mprotect() does not work |
355 |
+ |
if [[ "x$have_mmap_vm" = "xyes" ]]; then |
356 |
+ |
case $ac_cv_mprotect_works in |
357 |
+ |
*yes) have_mmap_vm=yes;; |
358 |
+ |
*no) have_mmap_vm=no;; |
359 |
+ |
esac |
360 |
+ |
fi |
361 |
+ |
AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_mmap_vm, |
362 |
+ |
[Define if your system has a working mmap()-based memory allocator.]) |
363 |
+ |
|
364 |
+ |
fi dnl HAVE_MMAP_VM |
365 |
+ |
|
366 |
+ |
dnl Check if we can mmap 0x2000 bytes from 0x0000 |
367 |
+ |
AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x2000], |
368 |
+ |
ac_cv_can_map_lm, [ |
369 |
+ |
AC_LANG_SAVE |
370 |
+ |
AC_LANG_CPLUSPLUS |
371 |
+ |
AC_TRY_RUN([ |
372 |
+ |
#include "vm_alloc.cpp" |
373 |
+ |
int main(void) { /* returns 0 if we could map the lowmem globals */ |
374 |
+ |
volatile char * lm = 0; |
375 |
+ |
if (vm_init() < 0) exit(1); |
376 |
+ |
if (vm_acquire_fixed(0, 0x2000) < 0) exit(1); |
377 |
+ |
lm[0] = 'z'; |
378 |
+ |
if (vm_release((char *)lm, 0x2000) < 0) exit(1); |
379 |
+ |
vm_exit(); exit(0); |
380 |
+ |
} |
381 |
+ |
], ac_cv_can_map_lm=yes, ac_cv_can_map_lm=no, |
382 |
+ |
dnl When cross-compiling, do not assume anything. |
383 |
+ |
ac_cv_can_map_lm="guessing no" |
384 |
+ |
) |
385 |
+ |
AC_LANG_RESTORE |
386 |
+ |
] |
387 |
+ |
) |
388 |
+ |
|
389 |
+ |
dnl Check signal handlers need to be reinstalled |
390 |
+ |
AC_CACHE_CHECK([whether signal handlers need to be reinstalled], |
391 |
+ |
ac_cv_signal_need_reinstall, [ |
392 |
+ |
AC_LANG_SAVE |
393 |
+ |
AC_LANG_CPLUSPLUS |
394 |
+ |
AC_TRY_RUN([ |
395 |
+ |
#include <stdlib.h> |
396 |
+ |
#ifdef HAVE_UNISTD_H |
397 |
+ |
#include <unistd.h> |
398 |
+ |
#endif |
399 |
+ |
#include <signal.h> |
400 |
+ |
static int handled_signal = 0; |
401 |
+ |
RETSIGTYPE sigusr1_handler(int) { handled_signal++; } |
402 |
+ |
int main(void) { /* returns 0 if signals need not to be reinstalled */ |
403 |
+ |
signal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1); |
404 |
+ |
exit(handled_signal == 2); |
405 |
+ |
} |
406 |
+ |
], ac_cv_signal_need_reinstall=yes, ac_cv_signal_need_reinstall=no, |
407 |
+ |
dnl When cross-compiling, do not assume anything. |
408 |
+ |
ac_cv_signal_need_reinstall="guessing yes" |
409 |
+ |
) |
410 |
+ |
AC_LANG_RESTORE |
411 |
+ |
] |
412 |
+ |
) |
413 |
+ |
AC_TRANSLATE_DEFINE(SIGNAL_NEED_REINSTALL, "$ac_cv_signal_need_reinstall", |
414 |
+ |
[Define if your system requires signals to be reinstalled.]) |
415 |
+ |
|
416 |
+ |
dnl Check if sigaction handlers need to be reinstalled |
417 |
+ |
AC_CACHE_CHECK([whether sigaction handlers need to be reinstalled], |
418 |
+ |
ac_cv_sigaction_need_reinstall, [ |
419 |
+ |
AC_LANG_SAVE |
420 |
+ |
AC_LANG_CPLUSPLUS |
421 |
+ |
AC_TRY_RUN([ |
422 |
+ |
#include <stdlib.h> |
423 |
+ |
#ifdef HAVE_UNISTD_H |
424 |
+ |
#include <unistd.h> |
425 |
+ |
#endif |
426 |
+ |
#include <signal.h> |
427 |
+ |
static int handled_signal = 0; |
428 |
+ |
RETSIGTYPE sigusr1_handler(int) { handled_signal++; } |
429 |
+ |
typedef RETSIGTYPE (*signal_handler)(int); |
430 |
+ |
static signal_handler mysignal(int sig, signal_handler handler) { |
431 |
+ |
struct sigaction old_sa; |
432 |
+ |
struct sigaction new_sa; |
433 |
+ |
new_sa.sa_handler = handler; |
434 |
+ |
return ((sigaction(sig,&new_sa,&old_sa) < 0) ? SIG_IGN : old_sa.sa_handler); |
435 |
+ |
} |
436 |
+ |
int main(void) { /* returns 0 if signals need not to be reinstalled */ |
437 |
+ |
mysignal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1); |
438 |
+ |
exit(handled_signal == 2); |
439 |
+ |
} |
440 |
+ |
], ac_cv_sigaction_need_reinstall=yes, ac_cv_sigaction_need_reinstall=no, |
441 |
+ |
dnl When cross-compiling, do not assume anything. |
442 |
+ |
ac_cv_sigaction_need_reinstall="guessing yes" |
443 |
+ |
) |
444 |
+ |
AC_LANG_RESTORE |
445 |
+ |
] |
446 |
+ |
) |
447 |
+ |
AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall", |
448 |
+ |
[Define if your system requires sigactions to be reinstalled.]) |
449 |
+ |
|
450 |
+ |
dnl Check if extended signals are supported. |
451 |
+ |
AC_CACHE_CHECK([whether your system supports extended signal handlers], |
452 |
+ |
ac_cv_have_extended_signals, [ |
453 |
+ |
AC_LANG_SAVE |
454 |
+ |
AC_LANG_CPLUSPLUS |
455 |
+ |
AC_TRY_RUN([ |
456 |
+ |
#define HAVE_SIGINFO_T 1 |
457 |
+ |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
458 |
+ |
#include "vm_alloc.cpp" |
459 |
+ |
#include "sigsegv.cpp" |
460 |
+ |
], ac_cv_have_extended_signals=yes, ac_cv_have_extended_signals=no, |
461 |
+ |
dnl When cross-compiling, do not assume anything. |
462 |
+ |
ac_cv_have_extended_signals=no |
463 |
+ |
) |
464 |
+ |
AC_LANG_RESTORE |
465 |
+ |
] |
466 |
+ |
) |
467 |
+ |
AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals", |
468 |
+ |
[Define if your system support extended signals.]) |
469 |
+ |
|
470 |
+ |
dnl Otherwise, check for subterfuges. |
471 |
+ |
if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then |
472 |
+ |
AC_CACHE_CHECK([whether we then have a subterfuge for your system], |
473 |
+ |
ac_cv_have_sigcontext_hack, [ |
474 |
+ |
AC_LANG_SAVE |
475 |
+ |
AC_LANG_CPLUSPLUS |
476 |
+ |
AC_TRY_RUN([ |
477 |
+ |
#define HAVE_SIGCONTEXT_SUBTERFUGE 1 |
478 |
+ |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
479 |
+ |
#include "vm_alloc.cpp" |
480 |
+ |
#include "sigsegv.cpp" |
481 |
+ |
], ac_cv_have_sigcontext_hack=yes, ac_cv_have_sigcontext_hack=no, |
482 |
+ |
dnl When cross-compiling, do not assume anything. |
483 |
+ |
ac_cv_have_sigcontext_hack=no |
484 |
+ |
) |
485 |
+ |
AC_LANG_RESTORE |
486 |
+ |
]) |
487 |
+ |
AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, "$ac_cv_have_sigcontext_hack", |
488 |
+ |
[Define if we know a hack to replace siginfo_t->si_addr member.]) |
489 |
+ |
fi |
490 |
+ |
|
491 |
+ |
dnl Check if we can ignore the fault (instruction skipping in SIGSEGV handler) |
492 |
+ |
AC_CACHE_CHECK([whether we can skip instruction in SIGSEGV handler], |
493 |
+ |
ac_cv_have_skip_instruction, [ |
494 |
+ |
AC_LANG_SAVE |
495 |
+ |
AC_LANG_CPLUSPLUS |
496 |
+ |
AC_TRY_RUN([ |
497 |
+ |
#define HAVE_SIGSEGV_SKIP_INSTRUCTION 1 |
498 |
+ |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
499 |
+ |
#include "vm_alloc.cpp" |
500 |
+ |
#include "sigsegv.cpp" |
501 |
+ |
], ac_cv_have_skip_instruction=yes, ac_cv_have_skip_instruction=no, |
502 |
+ |
dnl When cross-compiling, do not assume anything. |
503 |
+ |
ac_cv_have_skip_instruction=no |
504 |
+ |
) |
505 |
+ |
AC_LANG_RESTORE |
506 |
+ |
] |
507 |
+ |
) |
508 |
+ |
AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_INSTRUCTION, "$ac_cv_have_skip_instruction", |
509 |
+ |
[Define if we can ignore the fault (instruction skipping in SIGSEGV handler).]) |
510 |
+ |
|
511 |
+ |
dnl Can we do Video on SEGV Signals ? |
512 |
+ |
CAN_VOSF=no |
513 |
+ |
if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then |
514 |
+ |
CAN_VOSF=yes |
515 |
+ |
fi |
516 |
+ |
|
517 |
+ |
dnl Enable VOSF screen updates with this feature is requested and feasible |
518 |
+ |
if [[ "x$WANT_VOSF" = "xyes" -a "x$CAN_VOSF" = "xyes" ]]; then |
519 |
+ |
AC_DEFINE(ENABLE_VOSF, 1, [Define if using video enabled on SEGV signals.]) |
520 |
+ |
else |
521 |
+ |
WANT_VOSF=no |
522 |
+ |
fi |
523 |
+ |
|
524 |
+ |
dnl Check for GCC 2.7 or higher. |
525 |
+ |
HAVE_GCC27=no |
526 |
+ |
AC_MSG_CHECKING(for GCC 2.7 or higher) |
527 |
+ |
AC_EGREP_CPP(xyes, |
528 |
+ |
[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5 |
529 |
+ |
xyes |
530 |
+ |
#endif |
531 |
+ |
], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no)) |
532 |
+ |
|
533 |
+ |
dnl Check for GCC 3.0 or higher. |
534 |
+ |
HAVE_GCC30=no |
535 |
+ |
AC_MSG_CHECKING(for GCC 3.0 or higher) |
536 |
+ |
AC_EGREP_CPP(xyes, |
537 |
+ |
[#if __GNUC__ >= 3 |
538 |
+ |
xyes |
539 |
+ |
#endif |
540 |
+ |
], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no)) |
541 |
+ |
|
542 |
+ |
# Test if the compiler can generate ELF objects |
543 |
+ |
AC_CACHE_CHECK([whether the compiler can generate ELF objects], |
544 |
+ |
ac_cv_elf_objects, [ |
545 |
+ |
echo 'int i;' > conftest.$ac_ext |
546 |
+ |
ac_cv_elf_objects=no |
547 |
+ |
if AC_TRY_EVAL(ac_compile); then |
548 |
+ |
case `/usr/bin/file conftest.$ac_objext` in |
549 |
+ |
*"ELF"*) |
550 |
+ |
ac_cv_elf_objects=yes |
551 |
+ |
;; |
552 |
+ |
esac |
553 |
+ |
fi |
554 |
+ |
rm -rf conftest* |
555 |
+ |
]) |
556 |
+ |
ELF_OBJECTS=$ac_cv_elf_objects |
557 |
+ |
|
558 |
+ |
dnl CPU emulator sources |
559 |
+ |
if [[ "x$EMULATED_PPC" = "xyes" ]]; then |
560 |
+ |
CPUSRCS="\ |
561 |
+ |
../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \ |
562 |
+ |
../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \ |
563 |
+ |
../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \ |
564 |
+ |
../kpx_cpu/src/cpu/ppc/ppc-translate.cpp" |
565 |
+ |
CPPFLAGS="$CPPFLAGS -I../kpx_cpu/include -I../kpx_cpu/src" |
566 |
+ |
|
567 |
+ |
dnl Enable JIT compiler, if possible |
568 |
+ |
if [[ "x$WANT_JIT" = "xyes" ]]; then |
569 |
+ |
AC_CACHE_CHECK([whether dyngen can be used], |
570 |
+ |
ac_cv_use_dyngen, [ |
571 |
+ |
case $host_cpu:$ELF_OBJECTS in |
572 |
+ |
powerpc:yes) |
573 |
+ |
ac_cv_use_dyngen=yes |
574 |
+ |
;; |
575 |
+ |
x86_64:yes) |
576 |
+ |
ac_cv_use_dyngen=yes |
577 |
+ |
;; |
578 |
+ |
i?86:yes) |
579 |
+ |
ac_cv_use_dyngen=yes |
580 |
+ |
;; |
581 |
+ |
*:*) |
582 |
+ |
ac_cv_use_dyngen=no |
583 |
+ |
;; |
584 |
+ |
esac |
585 |
+ |
]) |
586 |
+ |
if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then |
587 |
+ |
case $host_cpu in |
588 |
+ |
i?86) |
589 |
+ |
DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2" |
590 |
+ |
if [[ "x$HAVE_GCC30" = "xyes" ]]; then |
591 |
+ |
DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0" |
592 |
+ |
else |
593 |
+ |
DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0" |
594 |
+ |
fi |
595 |
+ |
;; |
596 |
+ |
esac |
597 |
+ |
DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000" |
598 |
+ |
if [[ "x$HAVE_GCC30" = "xyes" ]]; then |
599 |
+ |
DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls" |
600 |
+ |
fi |
601 |
+ |
else |
602 |
+ |
WANT_JIT=no |
603 |
+ |
fi |
604 |
+ |
AC_TRANSLATE_DEFINE(ENABLE_DYNGEN, $ac_cv_use_dyngen, [Define to enable dyngen engine]) |
605 |
+ |
if [[ "x$WANT_JIT" = "xyes" ]]; then |
606 |
+ |
DYNGENSRCS="\ |
607 |
+ |
../kpx_cpu/src/cpu/jit/dyngen.c \ |
608 |
+ |
../kpx_cpu/src/cpu/jit/cxxdemangle.cpp" |
609 |
+ |
CPUSRCS="\ |
610 |
+ |
../kpx_cpu/src/cpu/jit/jit-cache.cpp \ |
611 |
+ |
../kpx_cpu/src/cpu/jit/basic-dyngen.cpp \ |
612 |
+ |
../kpx_cpu/src/cpu/ppc/ppc-dyngen.cpp $CPUSRCS" |
613 |
+ |
fi |
614 |
+ |
fi |
615 |
+ |
CPUSRCS="$CPUSRCS ../kpx_cpu/sheepshaver_glue.cpp" |
616 |
+ |
else |
617 |
+ |
WANT_JIT=no |
618 |
+ |
fi |
619 |
+ |
if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then |
620 |
+ |
AC_CACHE_CHECK([whether static data regions are executable], |
621 |
+ |
ac_cv_have_static_data_exec, [ |
622 |
+ |
AC_TRY_RUN([int main(void) { |
623 |
+ |
#if defined(__powerpc__) |
624 |
+ |
static unsigned int p[8] = {0x4e800020,}; |
625 |
+ |
asm volatile("dcbst 0,%0" : : "r" (p) : "memory"); |
626 |
+ |
asm volatile("sync" : : : "memory"); |
627 |
+ |
asm volatile("icbi 0,%0" : : "r" (p) : "memory"); |
628 |
+ |
asm volatile("sync" : : : "memory"); |
629 |
+ |
asm volatile("isync" : : : "memory"); |
630 |
+ |
((void (*)(void))p)(); |
631 |
+ |
return 0; |
632 |
+ |
#endif |
633 |
+ |
return 1; |
634 |
+ |
}], ac_cv_have_static_data_exec=yes, ac_cv_have_static_data_exec=no, |
635 |
+ |
dnl When cross-compiling, do not assume anything. |
636 |
+ |
ac_cv_have_static_data_exec=no |
637 |
+ |
) |
638 |
+ |
]) |
639 |
+ |
fi |
640 |
+ |
AC_TRANSLATE_DEFINE(HAVE_STATIC_DATA_EXEC, "$ac_cv_have_static_data_exec", |
641 |
+ |
[Define if your system marks static data pages as executable.]) |
642 |
+ |
|
643 |
+ |
if [[ "x$WANT_JIT" = "xyes" ]]; then |
644 |
+ |
CPPFLAGS="$CPPFLAGS -DUSE_JIT" |
645 |
+ |
fi |
646 |
+ |
|
647 |
|
dnl Generate Makefile. |
648 |
+ |
AC_SUBST(DYNGENSRCS) |
649 |
+ |
AC_SUBST(DYNGEN_OP_FLAGS) |
650 |
|
AC_SUBST(SYSSRCS) |
651 |
+ |
AC_SUBST(CPUSRCS) |
652 |
|
AC_OUTPUT(Makefile) |
653 |
|
|
654 |
|
dnl Print summary. |
657 |
|
echo |
658 |
|
echo XFree86 DGA support .............. : $WANT_XF86_DGA |
659 |
|
echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE |
660 |
+ |
echo Using PowerPC emulator ........... : $EMULATED_PPC |
661 |
+ |
echo Enable JIT compiler .............. : $WANT_JIT |
662 |
+ |
echo Enable video on SEGV signals ..... : $WANT_VOSF |
663 |
|
echo ESD sound support ................ : $WANT_ESD |
664 |
|
echo GTK user interface ............... : $WANT_GTK |
665 |
|
echo mon debugger support ............. : $WANT_MON |