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configure.ac (BACKTRACESPEC): Remove definition, but continue to AC_SUBST definition from configure.host.

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* configure.ac (BACKTRACESPEC): Remove definition, but continue to
	AC_SUBST definition from configure.host.
	* configure.host: Don't use -fno-omit-frame-pointer. Set BACKTRACESPEC
	to -fomit-frame-pointer on 32-bit x86 targets.

From-SVN: r100469
This commit is contained in:
Bryce McKinlay 2005-06-01 22:55:07 +00:00 • committed by Bryce McKinlay
parent ae263c7a36
commit 135709e82d
3 changed files with 14 additions and 11 deletions
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7
libjava/ChangeLog
View file

@ -1,3 +1,10 @@
2005-06-01 Bryce McKinlay <mckinlay@redhat.com>
* configure.ac (BACKTRACESPEC): Remove definition, but continue to
AC_SUBST definition from configure.host.
* configure.host: Don't use -fno-omit-frame-pointer. Set BACKTRACESPEC
to -fomit-frame-pointer on 32-bit x86 targets.
2005-06-01 Tom Tromey <tromey@redhat.com> 2005-06-01 Tom Tromey <tromey@redhat.com>
* java/io/ObjectInputStream.java (currentLoader): Fixed typo. * java/io/ObjectInputStream.java (currentLoader): Fixed typo.

10
libjava/configure.ac
View file

@ -1148,6 +1148,7 @@ AC_SUBST(ZINCS)
AC_SUBST(DIVIDESPEC) AC_SUBST(DIVIDESPEC)
AC_SUBST(CHECKREFSPEC) AC_SUBST(CHECKREFSPEC)
AC_SUBST(EXCEPTIONSPEC) AC_SUBST(EXCEPTIONSPEC)
AC_SUBST(BACKTRACESPEC)
AC_SUBST(IEEESPEC) AC_SUBST(IEEESPEC)
AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes) AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes)
@ -1345,15 +1346,6 @@ if test "$enable_sjlj_exceptions" = yes; then
SIGNAL_HANDLER_AUX= SIGNAL_HANDLER_AUX=
fi fi
# Define here any compiler flags that you need in order to make backtrace() work.
BACKTRACESPEC=
case "${host}" in
x86_64*-*-linux*|i?86-*)
BACKTRACESPEC=-fno-omit-frame-pointer
;;
esac
AC_SUBST(BACKTRACESPEC)
AC_SUBST(SYSDEP_SOURCES) AC_SUBST(SYSDEP_SOURCES)
if test -z "$SIGNAL_HANDLER_AUX"; then if test -z "$SIGNAL_HANDLER_AUX"; then

8
libjava/configure.host
View file

@ -69,6 +69,7 @@ echo "$target"
DIVIDESPEC=-fuse-divide-subroutine DIVIDESPEC=-fuse-divide-subroutine
EXCEPTIONSPEC=-fnon-call-exceptions EXCEPTIONSPEC=-fnon-call-exceptions
CHECKREFSPEC= CHECKREFSPEC=
BACKTRACESPEC=
# This case statement supports per-CPU defaults. # This case statement supports per-CPU defaults.
case "${host}" in case "${host}" in
@ -94,17 +95,18 @@ case "${host}" in
;; ;;
i686-*|i586-*|i486-*|i386-*) i686-*|i586-*|i486-*|i386-*)
sysdeps_dir=i386 sysdeps_dir=i386
libgcj_flags="${libgcj_flags} -ffloat-store -fno-omit-frame-pointer" libgcj_flags="${libgcj_flags} -ffloat-store"
libgcj_interpreter=yes libgcj_interpreter=yes
libgcj_cxxflags= libgcj_cxxflags=
libgcj_cflags= libgcj_cflags=
DIVIDESPEC=-fno-use-divide-subroutine DIVIDESPEC=-fno-use-divide-subroutine
BACKTRACESPEC=-fomit-frame-pointer
enable_hash_synchronization_default=yes enable_hash_synchronization_default=yes
slow_pthread_self=yes slow_pthread_self=yes
;; ;;
x86_64-*) x86_64-*)
sysdeps_dir=x86-64 sysdeps_dir=x86-64
libgcj_flags="${libgcj_flags} -ffloat-store -fno-omit-frame-pointer" libgcj_flags="${libgcj_flags} -ffloat-store"
libgcj_cxxflags= libgcj_cxxflags=
libgcj_cflags= libgcj_cflags=
DIVIDESPEC=-f%{m32:no-}use-divide-subroutine DIVIDESPEC=-f%{m32:no-}use-divide-subroutine
@ -266,6 +268,8 @@ esac
case "${host}" in case "${host}" in
*-cygwin* | *-mingw*) *-cygwin* | *-mingw*)
fallback_backtrace_h=sysdep/i386/backtrace.h fallback_backtrace_h=sysdep/i386/backtrace.h
# We need a frame pointer on Windows, so override BACKTRACESPEC
BACKTRACESPEC=
;; ;;
esac esac