Attachment #186455 for bug #263979




  AC_MSG_CHECKING(for C++ exceptions flag)

  dnl They changed -f[no-]handle-exceptions to -f[no-]exceptions in g++ 2.8
  dnl No desktop is built with g++ <2.8 nowadays
  AC_CACHE_VAL(ac_cv_cxx_exceptions_flags,
  [ac_cv_cxx_exceptions_flags=${_COMPILER_PREFIX}-fno-exceptions])

  ${CXX-g++} ${CXXFLAGS} -c -fno-handle-exceptions conftest.C > conftest.out 2>&1

  if egrep "warning.*renamed" conftest.out >/dev/null; then
    ac_cv_cxx_exceptions_flags=${_COMPILER_PREFIX}-fno-exceptions
  else
    ac_cv_cxx_exceptions_flags=${_COMPILER_PREFIX}-fno-handle-exceptions
  fi

  rm -f conftest*])

  AC_MSG_RESULT($ac_cv_cxx_exceptions_flags)
  _MOZ_EXCEPTIONS_FLAGS_OFF=$ac_cv_cxx_exceptions_flags




    if eval "test \"`echo '$''{'ac_cv_cxx_exceptions_flags'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_cv_cxx_exceptions_flags=${_COMPILER_PREFIX}-fno-exceptions

  ${CXX-g++} ${CXXFLAGS} -c -fno-handle-exceptions conftest.C > conftest.out 2>&1

  if egrep "warning.*renamed" conftest.out >/dev/null; then
    ac_cv_cxx_exceptions_flags=${_COMPILER_PREFIX}-fno-exceptions
  else
    ac_cv_cxx_exceptions_flags=${_COMPILER_PREFIX}-fno-handle-exceptions
  fi

  rm -f conftest*
fi



Return to bug 263979

Lines 3601-3618 Link Here

(-)configure.in.orig (-11 / +2 lines)
3601	AC_MSG_CHECKING(for C++ exceptions flag)	3601	AC_MSG_CHECKING(for C++ exceptions flag)
3602		3602
3603	dnl They changed -f[no-]handle-exceptions to -f[no-]exceptions in g++ 2.8	3603	dnl They changed -f[no-]handle-exceptions to -f[no-]exceptions in g++ 2.8
		3604	dnl No desktop is built with g++ <2.8 nowadays
3604	AC_CACHE_VAL(ac_cv_cxx_exceptions_flags,	3605	AC_CACHE_VAL(ac_cv_cxx_exceptions_flags,
3605	[echo "int main() { return 0; }" \| cat > conftest.C	3606	[ac_cv_cxx_exceptions_flags=${_COMPILER_PREFIX}-fno-exceptions])
3606
3607	${CXX-g++} ${CXXFLAGS} -c -fno-handle-exceptions conftest.C > conftest.out 2>&1
3608
3609	if egrep "warning.*renamed" conftest.out >/dev/null; then
3610	ac_cv_cxx_exceptions_flags=${_COMPILER_PREFIX}-fno-exceptions
3611	else
3612	ac_cv_cxx_exceptions_flags=${_COMPILER_PREFIX}-fno-handle-exceptions
3613	fi
3614
3615	rm -f conftest*])
3616		3607
3617	AC_MSG_RESULT($ac_cv_cxx_exceptions_flags)	3608	AC_MSG_RESULT($ac_cv_cxx_exceptions_flags)
3618	_MOZ_EXCEPTIONS_FLAGS_OFF=$ac_cv_cxx_exceptions_flags	3609	_MOZ_EXCEPTIONS_FLAGS_OFF=$ac_cv_cxx_exceptions_flags

Lines 11210-11226 Link Here

(-)configure.orig (-11 / +1 lines)
11210	if eval "test \"`echo '$''{'ac_cv_cxx_exceptions_flags'+set}'`\" = set"; then	11210	if eval "test \"`echo '$''{'ac_cv_cxx_exceptions_flags'+set}'`\" = set"; then
11211	echo $ac_n "(cached) $ac_c" 1>&6	11211	echo $ac_n "(cached) $ac_c" 1>&6
11212	else	11212	else
11213	echo "int main() { return 0; }" \| cat > conftest.C	11213	ac_cv_cxx_exceptions_flags=${_COMPILER_PREFIX}-fno-exceptions
11214
11215	${CXX-g++} ${CXXFLAGS} -c -fno-handle-exceptions conftest.C > conftest.out 2>&1
11216
11217	if egrep "warning.*renamed" conftest.out >/dev/null; then
11218	ac_cv_cxx_exceptions_flags=${_COMPILER_PREFIX}-fno-exceptions
11219	else
11220	ac_cv_cxx_exceptions_flags=${_COMPILER_PREFIX}-fno-handle-exceptions
11221	fi
11222
11223	rm -f conftest*
11224	fi	11214	fi
11225		11215
11226		11216