@ENABLE_SYMVERS_TRUE@ chmod +w $@.tmp
@ENABLE_SYMVERS_TRUE@ if test "x$(port_specific_symbol_files)" != x; then \
@ENABLE_SYMVERS_TRUE@ if grep '^# Appended to version file.' \
-@ENABLE_SYMVERS_TRUE@ $(port_specific_symbol_files) /dev/null > /dev/null 2>&1; then \
+@ENABLE_SYMVERS_TRUE@ $(port_specific_symbol_files) > /dev/null 2>&1; then \
@ENABLE_SYMVERS_TRUE@ cat $(port_specific_symbol_files) >> $@.tmp; \
@ENABLE_SYMVERS_TRUE@ else \
@ENABLE_SYMVERS_TRUE@ sed -n '1,/DO NOT DELETE/p' $@.tmp > tmp.top; \