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configure.host: Set can_unwind_signal on hosts which support it. 

* configure.host: Set can_unwind_signal on hosts which support it.
	Don't set CHECKREFSPEC and DIVIDESPEC for FreeBSD.
	* configure.in: Set CHECKREFSPEC and DIVIDESPEC if not using SJLJ
	exceptions and can_unwind_signal isn't set.
	* configure: Rebuilt.

From-SVN: r52182
This commit is contained in:
Bryce McKinlay 2002-04-11 22:20:48 +00:00 committed by Bryce McKinlay
parent e673b31060
commit aaeb0fcd93
4 changed files with 278 additions and 248 deletions
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8
libjava/ChangeLog
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@ -1,3 +1,11 @@
2002-04-11 Bryce McKinlay <bryce@waitaki.otago.ac.nz>
* configure.host: Set can_unwind_signal on hosts which support it.
Don't set CHECKREFSPEC and DIVIDESPEC for FreeBSD.
* configure.in: Set CHECKREFSPEC and DIVIDESPEC if not using SJLJ
exceptions and can_unwind_signal isn't set.
* configure: Rebuilt.
2002-04-11 Adam King <aking@dreammechanics.com>
Tom Tromey <tromey@redhat.com>

492
libjava/configure vendored
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File diff suppressed because it is too large Load Diff

18
libjava/configure.host
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@ -26,6 +26,8 @@
# sysdeps_dir Directory containing system-dependent headers
# slow_pthread_self The synchronization code should try to avoid
# pthread_self calls by caching thread IDs in a hashtable
# can_unwind_signal Set to "yes" if the EH unwinder supports throwing
# from a signal handler.
libgcj_flags=
libgcj_cflags=
@ -36,6 +38,7 @@ enable_java_net_default=yes
enable_hash_synchronization_default=no
sysdeps_dir=generic
slow_pthread_self=
can_unwind_signal=no
case "${target_optspace}:${host}" in
yes:*)
@ -115,18 +118,21 @@ case "${host}" in
esac
# This case statement supports generic port properties and may refine
# the above per-CPU defaults. Note: If your OS does not implement
# MD_FALLBACK_FRAME_STATE_FOR, then you may want to set CHECKREFSPEC,
# DIVIDESPEC (to fix >20 test cases) and EXCEPTIONSPEC (to reduce EH
# bloat only) here.
# the above per-CPU defaults. Note: If your OS implements
# MD_FALLBACK_FRAME_STATE_FOR, then you want to set can_unwind_signal
# here.
case "${host}" in
i[34567]86*-linux* | \
powerpc*-linux* | \
alpha*-linux* | \
ia64-*)
can_unwind_signal=yes
;;
*-*-darwin*)
enable_hash_synchronization_default=no
slow_pthread_self=
;;
*-*-freebsd*)
DIVIDESPEC=-fuse-divide-subroutine
CHECKREFSPEC=-fcheck-references
slow_pthread_self=
;;
esac

8
libjava/configure.in
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@ -153,6 +153,14 @@ fi
AC_LANG_RESTORE
AC_MSG_RESULT($ac_exception_model_name)
# If we are non using SJLJ exceptions, and this host does not have support
# for unwinding from a signal handler, enable checked dereferences and divides.
if test $can_unwind_signal = no && test $enable_sjlj_exceptions = no; then
CHECKREFSPEC=-fcheck-references
DIVIDESPEC=-fuse-divide-subroutine
EXCEPTIONSPEC=
fi
dnl See if the user wants to disable java.net. This is the mildly
dnl ugly way that we admit that target-side configuration sucks.
AC_ARG_ENABLE(java-net,