+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>
* java/io/ObjectInputStream.java (currentLoader): Fixed typo.
AC_SUBST(DIVIDESPEC)
AC_SUBST(CHECKREFSPEC)
AC_SUBST(EXCEPTIONSPEC)
+AC_SUBST(BACKTRACESPEC)
AC_SUBST(IEEESPEC)
AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes)
SIGNAL_HANDLER_AUX=
fi
-# Define here any compiler flags that you need in order to make backtrace() work.
-BACKTRACESPEC=
-case "${host}" in
- x86_64*-*-linux*|i?86-*)
- BACKTRACESPEC=-fno-omit-frame-pointer
- ;;
-esac
-AC_SUBST(BACKTRACESPEC)
-
AC_SUBST(SYSDEP_SOURCES)
if test -z "$SIGNAL_HANDLER_AUX"; then
DIVIDESPEC=-fuse-divide-subroutine
EXCEPTIONSPEC=-fnon-call-exceptions
CHECKREFSPEC=
+BACKTRACESPEC=
# This case statement supports per-CPU defaults.
case "${host}" in
;;
i686-*|i586-*|i486-*|i386-*)
sysdeps_dir=i386
- libgcj_flags="${libgcj_flags} -ffloat-store -fno-omit-frame-pointer"
+ libgcj_flags="${libgcj_flags} -ffloat-store"
libgcj_interpreter=yes
libgcj_cxxflags=
libgcj_cflags=
DIVIDESPEC=-fno-use-divide-subroutine
+ BACKTRACESPEC=-fomit-frame-pointer
enable_hash_synchronization_default=yes
slow_pthread_self=yes
;;
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_cflags=
DIVIDESPEC=-f%{m32:no-}use-divide-subroutine
case "${host}" in
*-cygwin* | *-mingw*)
fallback_backtrace_h=sysdep/i386/backtrace.h
+ # We need a frame pointer on Windows, so override BACKTRACESPEC
+ BACKTRACESPEC=
;;
esac