dnl # Process this with autoconf to create configure
+
+sinclude(../config/sjlj.m4)
+
AC_PREREQ(2.64)
# Still use "libjava" here to placate dejagnu.
AC_INIT([libjava], [version-unused],, [libjava])
AC_SUBST(target_noncanonical)
+GCC_LIBSTDCXX_RAW_CXX_FLAGS
+
# This works around the fact that libtool configuration may change LD
# for this particular configuration, but some shells, instead of
# keeping the changes in LD private, export them just because LD is
AC_SUBST(INTERPRETER)
AM_CONDITIONAL(INTERPRETER, test "$libgcj_interpreter" = yes)
-AC_MSG_CHECKING([for exception model to use])
-AC_LANG_PUSH(C++)
-AC_ARG_ENABLE(sjlj-exceptions,
- AS_HELP_STRING([--enable-sjlj-exceptions],
- [force use of builtin_setjmp for exceptions]),
-[:],
-[dnl Botheration. Now we've got to detect the exception model.
-dnl Link tests against libgcc.a are problematic since -- at least
-dnl as of this writing -- we've not been given proper -L bits for
-dnl single-tree newlib and libgloss.
-dnl
-dnl This is what AC_TRY_COMPILE would do if it didn't delete the
-dnl conftest files before we got a change to grep them first.
-cat > conftest.$ac_ext << EOF
-[#]line __oline__ "configure"
-struct S { ~S(); };
-void bar();
-void foo()
-{
- S s;
- bar();
-}
-EOF
-old_CXXFLAGS="$CXXFLAGS"
-CXXFLAGS=-S
-if AC_TRY_EVAL(ac_compile); then
- if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
- enable_sjlj_exceptions=yes
- elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
- enable_sjlj_exceptions=no
- elif grep __cxa_end_cleanup conftest.s >/dev/null 2>&1 ; then
- # ARM EH ABI.
- enable_sjlj_exceptions=no
- fi
-fi
-CXXFLAGS="$old_CXXFLAGS"
-rm -f conftest*])
-if test x$enable_sjlj_exceptions = xyes; then
- AC_DEFINE(SJLJ_EXCEPTIONS, 1,
- [Define if the compiler is configured for setjmp/longjmp exceptions.])
- ac_exception_model_name=sjlj
-elif test x$enable_sjlj_exceptions = xno; then
- ac_exception_model_name="call frame"
-else
- AC_MSG_ERROR([unable to detect exception model])
-fi
-AC_LANG_POP(C++)
-AC_MSG_RESULT($ac_exception_model_name)
-
-# If we are non using SJLJ exceptions, and this host does not have support
+# If we are not 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
+GCC_CHECK_SJLJ_EXCEPTIONS
+if test $ac_cv_sjlj_exceptions = no && test $can_unwind_signal = no; then
CHECKREFSPEC=-fcheck-references
DIVIDESPEC=-fuse-divide-subroutine
EXCEPTIONSPEC=
THREADLIBS='-lpthread -lrt'
THREADSPEC='-lpthread -lrt'
;;
- *-*-solaris2.9)
- # Need libthread for TLS support.
- THREADLIBS='-lpthread -lthread'
- THREADSPEC='-lpthread -lthread'
- ;;
*-*-darwin*)
# Don't set THREADLIBS or THREADSPEC as Darwin already
# provides pthread via libSystem.
# Determine where the standard .db file and GNU Classpath JNI
# libraries are found.
gcjsubdir=gcj-$gcjversion-$libgcj_soversion
-multi_os_directory=`$CC -print-multi-os-directory`
-case $multi_os_directory in
- .)
- dbexecdir='$(libdir)/'$gcjsubdir # Avoid /.
- ;;
- *)
- dbexecdir='$(libdir)/'$multi_os_directory/$gcjsubdir
- ;;
-esac
+dbexecdir='$(toolexeclibdir)/'$gcjsubdir
AC_SUBST(dbexecdir)
AC_SUBST(gcjsubdir)
powerpc*-*-aix*)
SIGNAL_HANDLER=include/aix-signal.h
;;
+ i?86-*-freebsd* | x86_64-*-freebsd*)
+ SIGNAL_HANDLER=include/freebsd-signal.h
+ ;;
*)
SIGNAL_HANDLER=include/default-signal.h
;;
esac
# If we're using sjlj exceptions, forget what we just learned.
-if test "$enable_sjlj_exceptions" = yes; then
+if test "$ac_cv_sjlj_exceptions" = yes; then
SIGNAL_HANDLER=include/default-signal.h
SIGNAL_HANDLER_AUX=
fi