test-flag-LD() {
	local flags="$1"

	[[ -z ${flags} ]] && \
		return 1

	local PROG=$(tc-getCC)
	local tmpfile=$(mktemp tmp.test-flag-LD.XXXXXX)
	echo 'int main(void){}' \
		| ${PROG} ${flags} -o "${tmpfile}" -xc - \
		> /dev/null 2&>1
	local ret=$?
	rm -f "${tmpfile}" > /dev/null 2&>1
	return $ret
}
 
test-flags-LD() { test-flags-PROG "LD" "$@"; }

strip-unsupported-flags() {
	export CFLAGS=$(test-flags-CC ${CFLAGS})
	export CXXFLAGS=$(test-flags-CXX ${CXXFLAGS})
	export FFLAGS=$(test-flags-F77 ${FFLAGS})
	export FCFLAGS=$(test-flags-FC ${FCFLAGS})
	export LDFLAGS=$(test-flags-LD ${LDFLAGS})
}