| 6 |
|
AC_PREREQ(2.52) |
| 7 |
|
AC_CONFIG_HEADER(config.h) |
| 8 |
|
|
| 9 |
+ |
dnl Aliases for PACKAGE and VERSION macros. |
| 10 |
+ |
AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE_NAME", [Define this program name.]) |
| 11 |
+ |
AC_DEFINE_UNQUOTED(VERSION, "$PACKAGE_VERSION", [Define this program version.]) |
| 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]) |
| 112 |
|
AC_CHECK_LIB(Hcurses, tgetent, , |
| 113 |
|
AC_CHECK_LIB(curses, tgetent)))))) |
| 114 |
|
AC_CHECK_LIB(readline, readline) |
| 107 |
– |
AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h) |
| 115 |
|
else |
| 116 |
|
AC_MSG_RESULT(no) |
| 117 |
|
AC_MSG_WARN([Could not find mon, ignoring --with-mon.]) |
| 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. |
| 234 |
|
AC_C_BIGENDIAN |
| 558 |
|
|
| 559 |
|
fi dnl HAVE_MMAP_VM |
| 560 |
|
|
| 561 |
+ |
dnl Check if we can modify the __PAGEZERO segment for use as Low Memory |
| 562 |
+ |
AC_CACHE_CHECK([whether __PAGEZERO can be Low Memory area 0x0000-0x2000], |
| 563 |
+ |
ac_cv_pagezero_hack, [ |
| 564 |
+ |
ac_cv_pagezero_hack=no |
| 565 |
+ |
if AC_TRY_COMMAND([Darwin/testlmem.sh 0x2000]); then |
| 566 |
+ |
ac_cv_pagezero_hack=yes |
| 567 |
+ |
dnl might as well skip the test for mmap-able low memory |
| 568 |
+ |
ac_cv_can_map_lm=no |
| 569 |
+ |
fi |
| 570 |
+ |
]) |
| 571 |
+ |
AC_TRANSLATE_DEFINE(PAGEZERO_HACK, "$ac_cv_pagezero_hack", |
| 572 |
+ |
[Define if the __PAGEZERO Mach-O Low Memory Globals hack works on this system.]) |
| 573 |
+ |
|
| 574 |
|
dnl Check if we can mmap 0x2000 bytes from 0x0000 |
| 575 |
|
AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x2000], |
| 576 |
|
ac_cv_can_map_lm, [ |
| 655 |
|
AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall", |
| 656 |
|
[Define if your system requires sigactions to be reinstalled.]) |
| 657 |
|
|
| 658 |
< |
dnl Check if extended signals are supported. |
| 659 |
< |
AC_CACHE_CHECK([whether your system supports extended signal handlers], |
| 660 |
< |
ac_cv_have_extended_signals, [ |
| 658 |
> |
dnl Check if Mach exceptions supported. |
| 659 |
> |
AC_CACHE_CHECK([whether your system supports Mach exceptions], |
| 660 |
> |
ac_cv_have_mach_exceptions, [ |
| 661 |
|
AC_LANG_SAVE |
| 662 |
|
AC_LANG_CPLUSPLUS |
| 663 |
|
AC_TRY_RUN([ |
| 664 |
< |
#define HAVE_SIGINFO_T 1 |
| 664 |
> |
#define HAVE_MACH_EXCEPTIONS 1 |
| 665 |
|
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 666 |
|
#include "vm_alloc.cpp" |
| 667 |
|
#include "sigsegv.cpp" |
| 668 |
< |
], ac_cv_have_extended_signals=yes, ac_cv_have_extended_signals=no, |
| 668 |
> |
], [ |
| 669 |
> |
sigsegv_recovery=mach |
| 670 |
> |
ac_cv_have_mach_exceptions=yes |
| 671 |
> |
], |
| 672 |
> |
ac_cv_have_mach_exceptions=no, |
| 673 |
|
dnl When cross-compiling, do not assume anything. |
| 674 |
< |
ac_cv_have_extended_signals=no |
| 674 |
> |
ac_cv_have_mach_exceptions=no |
| 675 |
|
) |
| 676 |
|
AC_LANG_RESTORE |
| 677 |
|
] |
| 678 |
|
) |
| 679 |
< |
AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals", |
| 680 |
< |
[Define if your system support extended signals.]) |
| 679 |
> |
AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions", |
| 680 |
> |
[Define if your system supports Mach exceptions.]) |
| 681 |
> |
|
| 682 |
> |
dnl Otherwise, check if extended signals are supported. |
| 683 |
> |
if [[ -z "$sigsegv_recovery" ]]; then |
| 684 |
> |
AC_CACHE_CHECK([whether your system supports extended signal handlers], |
| 685 |
> |
ac_cv_have_extended_signals, [ |
| 686 |
> |
AC_LANG_SAVE |
| 687 |
> |
AC_LANG_CPLUSPLUS |
| 688 |
> |
AC_TRY_RUN([ |
| 689 |
> |
#define HAVE_SIGINFO_T 1 |
| 690 |
> |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 691 |
> |
#include "vm_alloc.cpp" |
| 692 |
> |
#include "sigsegv.cpp" |
| 693 |
> |
], [ |
| 694 |
> |
sigsegv_recovery=siginfo |
| 695 |
> |
ac_cv_have_extended_signals=yes |
| 696 |
> |
], |
| 697 |
> |
ac_cv_have_extended_signals=no, |
| 698 |
> |
dnl When cross-compiling, do not assume anything. |
| 699 |
> |
ac_cv_have_extended_signals=no |
| 700 |
> |
) |
| 701 |
> |
AC_LANG_RESTORE |
| 702 |
> |
] |
| 703 |
> |
) |
| 704 |
> |
AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals", |
| 705 |
> |
[Define if your system support extended signals.]) |
| 706 |
> |
fi |
| 707 |
|
|
| 708 |
|
dnl Otherwise, check for subterfuges. |
| 709 |
< |
if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then |
| 709 |
> |
if [[ -z "$sigsegv_recovery" ]]; then |
| 710 |
|
AC_CACHE_CHECK([whether we then have a subterfuge for your system], |
| 711 |
|
ac_cv_have_sigcontext_hack, [ |
| 712 |
|
AC_LANG_SAVE |
| 716 |
|
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 717 |
|
#include "vm_alloc.cpp" |
| 718 |
|
#include "sigsegv.cpp" |
| 719 |
< |
], ac_cv_have_sigcontext_hack=yes, ac_cv_have_sigcontext_hack=no, |
| 719 |
> |
], [ |
| 720 |
> |
sigsegv_recovery=sigcontext |
| 721 |
> |
ac_cv_have_sigcontext_hack=yes |
| 722 |
> |
], |
| 723 |
> |
ac_cv_have_sigcontext_hack=no, |
| 724 |
|
dnl When cross-compiling, do not assume anything. |
| 725 |
|
ac_cv_have_sigcontext_hack=no |
| 726 |
|
) |
| 752 |
|
|
| 753 |
|
dnl Can we do Video on SEGV Signals ? |
| 754 |
|
CAN_VOSF=no |
| 755 |
< |
if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then |
| 755 |
> |
if [[ -n "$sigsegv_recovery" ]]; then |
| 756 |
|
CAN_VOSF=yes |
| 757 |
|
fi |
| 758 |
|
|
| 759 |
+ |
dnl A dummy program that returns always true |
| 760 |
+ |
BLESS=/bin/true |
| 761 |
+ |
|
| 762 |
|
dnl Determine the addressing mode to use |
| 763 |
|
if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then |
| 764 |
|
ADDRESSING_MODE="real" |
| 769 |
|
case $am in |
| 770 |
|
real) |
| 771 |
|
dnl Requires ability to mmap() Low Memory globals |
| 772 |
< |
if [[ "x$ac_cv_can_map_lm" = "xno" ]]; then |
| 772 |
> |
if [[ "x$ac_cv_can_map_lm$ac_cv_pagezero_hack" = "xnono" ]]; then |
| 773 |
|
continue |
| 774 |
|
fi |
| 775 |
< |
dnl Requires VOSF screen updates |
| 775 |
> |
dnl Requires VOSF screen updates |
| 776 |
|
if [[ "x$CAN_VOSF" = "xno" ]]; then |
| 777 |
|
continue |
| 778 |
|
fi |
| 780 |
|
ADDRESSING_MODE="real" |
| 781 |
|
WANT_VOSF=yes dnl we can use VOSF and we need it actually |
| 782 |
|
DEFINES="$DEFINES -DREAL_ADDRESSING" |
| 783 |
+ |
if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then |
| 784 |
+ |
BLESS=Darwin/lowmem |
| 785 |
+ |
LDFLAGS="$LDFLAGS -pagezero_size 0x2000" |
| 786 |
+ |
fi |
| 787 |
|
break |
| 788 |
|
;; |
| 789 |
|
direct) |
| 1172 |
|
AC_SUBST(SYSSRCS) |
| 1173 |
|
AC_SUBST(CPUINCLUDES) |
| 1174 |
|
AC_SUBST(CPUSRCS) |
| 1175 |
+ |
AC_SUBST(BLESS) |
| 1176 |
|
AC_CONFIG_FILES([Makefile]) |
| 1177 |
|
AC_OUTPUT |
| 1178 |
|
|
| 1193 |
|
echo Floating-Point emulation core .......... : $FPE_CORE |
| 1194 |
|
echo Assembly optimizations ................. : $ASM_OPTIMIZATIONS |
| 1195 |
|
echo Addressing mode ........................ : $ADDRESSING_MODE |
| 1196 |
+ |
echo Bad memory access recovery type ........ : $sigsegv_recovery |
| 1197 |
|
echo |
| 1198 |
|
echo "Configuration done. Now type \"make\" (or \"gmake\")." |
