| 10 |
|
AC_DEFINE(PACKAGE, PACKAGE_NAME, [Alias to PACKAGE for i18n.]) |
| 11 |
|
AC_DEFINE(VERSION, PACKAGE_VERSION, [Alias to VERSION for i18n.]) |
| 12 |
|
|
| 13 |
+ |
dnl Some systems do not put corefiles in the currect directory, avoid saving |
| 14 |
+ |
dnl cores for the configure tests since some are intended to dump core. |
| 15 |
+ |
ulimit -c 0 |
| 16 |
+ |
|
| 17 |
|
dnl Video options. |
| 18 |
|
AC_ARG_ENABLE(xf86-dga, [ --enable-xf86-dga use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes]) |
| 19 |
|
AC_ARG_ENABLE(xf86-vidmode, [ --enable-xf86-vidmode use the XFree86 VidMode extension [default=yes]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=yes]) |
| 227 |
|
|
| 228 |
|
dnl Checks for header files. |
| 229 |
|
AC_HEADER_STDC |
| 230 |
< |
AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h sys/mman.h) |
| 230 |
> |
AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h sys/mman.h mach/mach.h) |
| 231 |
|
AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h) |
| 232 |
|
|
| 233 |
|
dnl Checks for typedefs, structures, and compiler characteristics. |
| 642 |
|
AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall", |
| 643 |
|
[Define if your system requires sigactions to be reinstalled.]) |
| 644 |
|
|
| 645 |
< |
dnl Check if extended signals are supported. |
| 646 |
< |
AC_CACHE_CHECK([whether your system supports extended signal handlers], |
| 647 |
< |
ac_cv_have_extended_signals, [ |
| 645 |
> |
dnl Check if Mach exceptions supported. |
| 646 |
> |
AC_CACHE_CHECK([whether your system supports Mach exceptions], |
| 647 |
> |
ac_cv_have_mach_exceptions, [ |
| 648 |
|
AC_LANG_SAVE |
| 649 |
|
AC_LANG_CPLUSPLUS |
| 650 |
|
AC_TRY_RUN([ |
| 651 |
< |
#define HAVE_SIGINFO_T 1 |
| 651 |
> |
#define HAVE_MACH_EXCEPTIONS 1 |
| 652 |
|
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 653 |
|
#include "vm_alloc.cpp" |
| 654 |
|
#include "sigsegv.cpp" |
| 655 |
< |
], ac_cv_have_extended_signals=yes, ac_cv_have_extended_signals=no, |
| 655 |
> |
], [ |
| 656 |
> |
sigsegv_recovery=mach |
| 657 |
> |
ac_cv_have_mach_exceptions=yes |
| 658 |
> |
], |
| 659 |
> |
ac_cv_have_mach_exceptions=no, |
| 660 |
|
dnl When cross-compiling, do not assume anything. |
| 661 |
< |
ac_cv_have_extended_signals=no |
| 661 |
> |
ac_cv_have_mach_exceptions=no |
| 662 |
|
) |
| 663 |
|
AC_LANG_RESTORE |
| 664 |
|
] |
| 665 |
|
) |
| 666 |
< |
AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals", |
| 667 |
< |
[Define if your system support extended signals.]) |
| 666 |
> |
AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions", |
| 667 |
> |
[Define if your system supports Mach exceptions.]) |
| 668 |
> |
|
| 669 |
> |
dnl Otherwise, check if extended signals are supported. |
| 670 |
> |
if [[ -z "$sigsegv_recovery" ]]; then |
| 671 |
> |
AC_CACHE_CHECK([whether your system supports extended signal handlers], |
| 672 |
> |
ac_cv_have_extended_signals, [ |
| 673 |
> |
AC_LANG_SAVE |
| 674 |
> |
AC_LANG_CPLUSPLUS |
| 675 |
> |
AC_TRY_RUN([ |
| 676 |
> |
#define HAVE_SIGINFO_T 1 |
| 677 |
> |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 678 |
> |
#include "vm_alloc.cpp" |
| 679 |
> |
#include "sigsegv.cpp" |
| 680 |
> |
], [ |
| 681 |
> |
sigsegv_recovery=siginfo |
| 682 |
> |
ac_cv_have_extended_signals=yes |
| 683 |
> |
], |
| 684 |
> |
ac_cv_have_extended_signals=no, |
| 685 |
> |
dnl When cross-compiling, do not assume anything. |
| 686 |
> |
ac_cv_have_extended_signals=no |
| 687 |
> |
) |
| 688 |
> |
AC_LANG_RESTORE |
| 689 |
> |
] |
| 690 |
> |
) |
| 691 |
> |
AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals", |
| 692 |
> |
[Define if your system support extended signals.]) |
| 693 |
> |
fi |
| 694 |
|
|
| 695 |
|
dnl Otherwise, check for subterfuges. |
| 696 |
< |
if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then |
| 696 |
> |
if [[ -z "$sigsegv_recovery" ]]; then |
| 697 |
|
AC_CACHE_CHECK([whether we then have a subterfuge for your system], |
| 698 |
|
ac_cv_have_sigcontext_hack, [ |
| 699 |
|
AC_LANG_SAVE |
| 703 |
|
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 704 |
|
#include "vm_alloc.cpp" |
| 705 |
|
#include "sigsegv.cpp" |
| 706 |
< |
], ac_cv_have_sigcontext_hack=yes, ac_cv_have_sigcontext_hack=no, |
| 706 |
> |
], [ |
| 707 |
> |
sigsegv_recovery=sigcontext |
| 708 |
> |
ac_cv_have_sigcontext_hack=yes |
| 709 |
> |
], |
| 710 |
> |
ac_cv_have_sigcontext_hack=no, |
| 711 |
|
dnl When cross-compiling, do not assume anything. |
| 712 |
|
ac_cv_have_sigcontext_hack=no |
| 713 |
|
) |
| 739 |
|
|
| 740 |
|
dnl Can we do Video on SEGV Signals ? |
| 741 |
|
CAN_VOSF=no |
| 742 |
< |
if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then |
| 742 |
> |
if [[ -n "$sigsegv_recovery" ]]; then |
| 743 |
|
CAN_VOSF=yes |
| 744 |
|
fi |
| 745 |
|
|
| 1172 |
|
echo Floating-Point emulation core .......... : $FPE_CORE |
| 1173 |
|
echo Assembly optimizations ................. : $ASM_OPTIMIZATIONS |
| 1174 |
|
echo Addressing mode ........................ : $ADDRESSING_MODE |
| 1175 |
+ |
echo Bad memory access recovery type ........ : $sigsegv_recovery |
| 1176 |
|
echo |
| 1177 |
|
echo "Configuration done. Now type \"make\" (or \"gmake\")." |
