| 34 |
|
#ifdef __powerpc__ |
| 35 |
|
yes |
| 36 |
|
#endif |
| 37 |
+ |
#ifdef __ppc__ |
| 38 |
+ |
yes |
| 39 |
+ |
#endif |
| 40 |
|
], [AC_MSG_RESULT(yes); HAVE_PPC=yes], AC_MSG_RESULT(no)) |
| 41 |
|
|
| 42 |
|
dnl We use native CPU if possible. |
| 96 |
|
|
| 97 |
|
dnl We need pthreads on non-PowerPC systems. Try libpthread first, then libc_r (FreeBSD), then PTL. |
| 98 |
|
HAVE_PTHREADS=yes |
| 99 |
< |
if [[ "x$EMULATED_PPC" = "xyes" ]]; then |
| 99 |
> |
case $EMULATED_PPC:$target_os in |
| 100 |
> |
no:linux*) |
| 101 |
> |
dnl We do have our own pthread_cancel() implementation |
| 102 |
> |
AC_DEFINE(HAVE_PTHREAD_CANCEL, 1, [Define if you have the pthread_cancel function.]) |
| 103 |
> |
;; |
| 104 |
> |
*:*) |
| 105 |
|
AC_CHECK_LIB(pthread, pthread_create, , [ |
| 106 |
|
AC_CHECK_LIB(c_r, pthread_create, , [ |
| 107 |
|
AC_CHECK_LIB(PTL, pthread_create, , [ |
| 116 |
|
if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then |
| 117 |
|
AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.]) |
| 118 |
|
fi |
| 119 |
< |
else |
| 120 |
< |
dnl We do have our own pthread_cancel() implementation |
| 121 |
< |
AC_DEFINE(HAVE_PTHREAD_CANCEL, 1, [Define if you have the pthread_cancel function.]) |
| 114 |
< |
fi |
| 115 |
< |
|
| 116 |
< |
dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes. |
| 117 |
< |
SEMSRC= |
| 118 |
< |
AC_CHECK_FUNCS(sem_init, , [ |
| 119 |
> |
dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes. |
| 120 |
> |
SEMSRC= |
| 121 |
> |
AC_CHECK_FUNCS(sem_init, , [ |
| 122 |
|
if test "x$HAVE_PTHREADS" = "xyes"; then |
| 123 |
|
SEMSRC=posix_sem.cpp |
| 124 |
|
fi |
| 125 |
< |
]) |
| 125 |
> |
]) |
| 126 |
> |
;; |
| 127 |
> |
esac |
| 128 |
|
|
| 129 |
|
dnl We use XFree86 DGA if possible. |
| 130 |
|
if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then |
| 149 |
|
fi |
| 150 |
|
|
| 151 |
|
dnl We use GTK+ if possible. |
| 152 |
< |
UISRCS= |
| 152 |
> |
UISRCS=../dummy/prefs_editor_dummy.cpp |
| 153 |
|
if [[ "x$WANT_GTK" = "xyes" ]]; then |
| 154 |
|
AM_PATH_GTK(1.2.0, [ |
| 155 |
|
AC_DEFINE(ENABLE_GTK) |
| 201 |
|
AC_HEADER_TIME |
| 202 |
|
AC_STRUCT_TM |
| 203 |
|
|
| 204 |
+ |
dnl Check whether struct sigaction has sa_restorer member. |
| 205 |
+ |
AC_CACHE_CHECK([whether struct sigaction has sa_restorer], |
| 206 |
+ |
ac_cv_signal_sa_restorer, [ |
| 207 |
+ |
AC_TRY_COMPILE([ |
| 208 |
+ |
#include <signal.h> |
| 209 |
+ |
], [struct sigaction sa; sa.sa_restorer = 0;], |
| 210 |
+ |
ac_cv_signal_sa_restorer=yes, ac_cv_signal_sa_restorer=no, |
| 211 |
+ |
dnl When cross-compiling, do not assume anything. |
| 212 |
+ |
ac_cv_signal_sa_restorer=no |
| 213 |
+ |
) |
| 214 |
+ |
]) |
| 215 |
+ |
if [[ "x$ac_cv_signal_sa_restorer" = "xyes" ]]; then |
| 216 |
+ |
AC_DEFINE(HAVE_SIGNAL_SA_RESTORER) |
| 217 |
+ |
fi |
| 218 |
+ |
|
| 219 |
|
dnl Checks for library functions. |
| 220 |
|
AC_CHECK_FUNCS(strdup cfmakeraw) |
| 221 |
|
AC_CHECK_FUNCS(nanosleep) |
| 222 |
|
AC_CHECK_FUNCS(sigaction signal) |
| 223 |
|
AC_CHECK_FUNCS(mmap mprotect munmap) |
| 224 |
|
AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect) |
| 225 |
+ |
|
| 226 |
+ |
dnl Darwin seems to define mach_task_self() instead of task_self(). |
| 227 |
+ |
AC_CHECK_FUNCS(mach_task_self task_self) |
| 228 |
+ |
|
| 229 |
|
dnl We need clock_gettime() for better performance but it may drag |
| 230 |
|
dnl libpthread in, which we don't want for native ppc mode |
| 231 |
< |
if [[ "x$EMULATED_PPC" = "xyes" ]]; then |
| 231 |
> |
case $EMULATED_PPC:$target_os in |
| 232 |
> |
no:linux*) |
| 233 |
> |
;; |
| 234 |
> |
*:*) |
| 235 |
|
AC_SEARCH_LIBS(clock_gettime, [rt posix4]) |
| 236 |
|
AC_CHECK_FUNCS(clock_gettime) |
| 237 |
< |
fi |
| 237 |
> |
;; |
| 238 |
> |
esac |
| 239 |
|
|
| 240 |
|
dnl Select system-dependant sources. |
| 241 |
< |
if [[ "x$EMULATED_PPC" = "xno" ]]; then |
| 242 |
< |
SYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c Linux/asm_linux.S" |
| 243 |
< |
fi |
| 244 |
< |
SYSSRCS="$SYSSRCS $SEMSRCS $UISRCS $MONSRCS" |
| 241 |
> |
SERIALSRC=serial_unix.cpp |
| 242 |
> |
ETHERSRC=../dummy/ether_dummy.cpp |
| 243 |
> |
SCSISRC=../dummy/scsi_dummy.cpp |
| 244 |
> |
AUDIOSRC=../dummy/audio_dummy.cpp |
| 245 |
> |
EXTRASYSSRCS= |
| 246 |
> |
case "$target_os" in |
| 247 |
> |
linux*) |
| 248 |
> |
ETHERSRC=Linux/ether_linux.cpp |
| 249 |
> |
AUDIOSRC=audio_oss_esd.cpp |
| 250 |
> |
SCSISRC=Linux/scsi_linux.cpp |
| 251 |
> |
if [[ "x$EMULATED_PPC" = "xno" ]]; then |
| 252 |
> |
EXTRASYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c Linux/asm_linux.S" |
| 253 |
> |
fi |
| 254 |
> |
;; |
| 255 |
> |
darwin*) |
| 256 |
> |
if [[ "x$EMULATED_PPC" = "xno" ]]; then |
| 257 |
> |
EXTRASYSSRCS="Darwin/paranoia.cpp Linux/asm_linux.S" |
| 258 |
> |
fi |
| 259 |
> |
;; |
| 260 |
> |
esac |
| 261 |
> |
SYSSRCS="$SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS" |
| 262 |
|
|
| 263 |
|
dnl Define a macro that translates a yesno-variable into a C macro definition |
| 264 |
|
dnl to be put into the config.h file |
| 417 |
|
|
| 418 |
|
fi dnl HAVE_MMAP_VM |
| 419 |
|
|
| 420 |
< |
dnl Check if we can mmap 0x2000 bytes from 0x0000 |
| 421 |
< |
AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x2000], |
| 420 |
> |
dnl Check if we can modify the __PAGEZERO segment for use as Low Memory |
| 421 |
> |
AC_CACHE_CHECK([whether __PAGEZERO can be Low Memory area 0x0000-0x3000], |
| 422 |
> |
ac_cv_pagezero_hack, [ |
| 423 |
> |
ac_cv_pagezero_hack=no |
| 424 |
> |
if AC_TRY_COMMAND([Darwin/testlmem.sh 0x3000]); then |
| 425 |
> |
ac_cv_pagezero_hack=yes |
| 426 |
> |
dnl might as well skip the test for mmap-able low memory |
| 427 |
> |
ac_cv_can_map_lm=no |
| 428 |
> |
fi |
| 429 |
> |
]) |
| 430 |
> |
AC_TRANSLATE_DEFINE(PAGEZERO_HACK, "$ac_cv_pagezero_hack", |
| 431 |
> |
[Define if the __PAGEZERO Mach-O Low Memory Globals hack works on this system.]) |
| 432 |
> |
|
| 433 |
> |
dnl Check if we can mmap 0x3000 bytes from 0x0000 |
| 434 |
> |
AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x3000], |
| 435 |
|
ac_cv_can_map_lm, [ |
| 436 |
|
AC_LANG_SAVE |
| 437 |
|
AC_LANG_CPLUSPLUS |
| 514 |
|
AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall", |
| 515 |
|
[Define if your system requires sigactions to be reinstalled.]) |
| 516 |
|
|
| 517 |
< |
dnl Check if extended signals are supported. |
| 518 |
< |
AC_CACHE_CHECK([whether your system supports extended signal handlers], |
| 519 |
< |
ac_cv_have_extended_signals, [ |
| 517 |
> |
dnl Check if Mach exceptions supported. |
| 518 |
> |
AC_CACHE_CHECK([whether your system supports Mach exceptions], |
| 519 |
> |
ac_cv_have_mach_exceptions, [ |
| 520 |
|
AC_LANG_SAVE |
| 521 |
|
AC_LANG_CPLUSPLUS |
| 522 |
|
AC_TRY_RUN([ |
| 523 |
< |
#define HAVE_SIGINFO_T 1 |
| 523 |
> |
#define HAVE_MACH_EXCEPTIONS 1 |
| 524 |
|
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 525 |
|
#include "vm_alloc.cpp" |
| 526 |
|
#include "sigsegv.cpp" |
| 527 |
< |
], ac_cv_have_extended_signals=yes, ac_cv_have_extended_signals=no, |
| 527 |
> |
], [ |
| 528 |
> |
sigsegv_recovery=mach |
| 529 |
> |
ac_cv_have_mach_exceptions=yes |
| 530 |
> |
], |
| 531 |
> |
ac_cv_have_mach_exceptions=no, |
| 532 |
|
dnl When cross-compiling, do not assume anything. |
| 533 |
< |
ac_cv_have_extended_signals=no |
| 533 |
> |
ac_cv_have_mach_exceptions=no |
| 534 |
|
) |
| 535 |
|
AC_LANG_RESTORE |
| 536 |
|
] |
| 537 |
|
) |
| 538 |
< |
AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals", |
| 539 |
< |
[Define if your system support extended signals.]) |
| 538 |
> |
AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions", |
| 539 |
> |
[Define if your system supports Mach exceptions.]) |
| 540 |
> |
|
| 541 |
> |
dnl Otherwise, check if extended signals are supported. |
| 542 |
> |
if [[ -z "$sigsegv_recovery" ]]; then |
| 543 |
> |
AC_CACHE_CHECK([whether your system supports extended signal handlers], |
| 544 |
> |
ac_cv_have_extended_signals, [ |
| 545 |
> |
AC_LANG_SAVE |
| 546 |
> |
AC_LANG_CPLUSPLUS |
| 547 |
> |
AC_TRY_RUN([ |
| 548 |
> |
#define HAVE_SIGINFO_T 1 |
| 549 |
> |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 550 |
> |
#include "vm_alloc.cpp" |
| 551 |
> |
#include "sigsegv.cpp" |
| 552 |
> |
], [ |
| 553 |
> |
sigsegv_recovery=siginfo |
| 554 |
> |
ac_cv_have_extended_signals=yes |
| 555 |
> |
], |
| 556 |
> |
ac_cv_have_extended_signals=no, |
| 557 |
> |
dnl When cross-compiling, do not assume anything. |
| 558 |
> |
ac_cv_have_extended_signals=no |
| 559 |
> |
) |
| 560 |
> |
AC_LANG_RESTORE |
| 561 |
> |
] |
| 562 |
> |
) |
| 563 |
> |
AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals", |
| 564 |
> |
[Define if your system support extended signals.]) |
| 565 |
> |
fi |
| 566 |
|
|
| 567 |
|
dnl Otherwise, check for subterfuges. |
| 568 |
< |
if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then |
| 568 |
> |
if [[ -z "$sigsegv_recovery" ]]; then |
| 569 |
|
AC_CACHE_CHECK([whether we then have a subterfuge for your system], |
| 570 |
|
ac_cv_have_sigcontext_hack, [ |
| 571 |
|
AC_LANG_SAVE |
| 575 |
|
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 576 |
|
#include "vm_alloc.cpp" |
| 577 |
|
#include "sigsegv.cpp" |
| 578 |
< |
], ac_cv_have_sigcontext_hack=yes, ac_cv_have_sigcontext_hack=no, |
| 578 |
> |
], [ |
| 579 |
> |
sigsegv_recovery=sigcontext |
| 580 |
> |
ac_cv_have_sigcontext_hack=yes |
| 581 |
> |
], |
| 582 |
> |
ac_cv_have_sigcontext_hack=no, |
| 583 |
|
dnl When cross-compiling, do not assume anything. |
| 584 |
|
ac_cv_have_sigcontext_hack=no |
| 585 |
|
) |
| 611 |
|
|
| 612 |
|
dnl Can we do Video on SEGV Signals ? |
| 613 |
|
CAN_VOSF=no |
| 614 |
< |
if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then |
| 614 |
> |
if [[ -n "$sigsegv_recovery" ]]; then |
| 615 |
|
CAN_VOSF=yes |
| 616 |
|
fi |
| 617 |
|
|
| 622 |
|
WANT_VOSF=no |
| 623 |
|
fi |
| 624 |
|
|
| 625 |
+ |
dnl Platform specific binary postprocessor |
| 626 |
+ |
BLESS=/bin/true |
| 627 |
+ |
if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then |
| 628 |
+ |
BLESS=Darwin/lowmem |
| 629 |
+ |
LDFLAGS="$LDFLAGS -pagezero_size 0x3000" |
| 630 |
+ |
fi |
| 631 |
+ |
|
| 632 |
|
dnl Check for GCC 2.7 or higher. |
| 633 |
|
HAVE_GCC27=no |
| 634 |
|
AC_MSG_CHECKING(for GCC 2.7 or higher) |
| 757 |
|
AC_SUBST(DYNGEN_OP_FLAGS) |
| 758 |
|
AC_SUBST(SYSSRCS) |
| 759 |
|
AC_SUBST(CPUSRCS) |
| 760 |
+ |
AC_SUBST(BLESS) |
| 761 |
|
AC_OUTPUT(Makefile) |
| 762 |
|
|
| 763 |
|
dnl Print summary. |
| 772 |
|
echo ESD sound support ................ : $WANT_ESD |
| 773 |
|
echo GTK user interface ............... : $WANT_GTK |
| 774 |
|
echo mon debugger support ............. : $WANT_MON |
| 775 |
+ |
echo Bad memory access recovery type .. : $sigsegv_recovery |
| 776 |
|
echo |
| 777 |
|
echo "Configuration done. Now type \"make\"." |
