.IF "$(CCTYPE)" == "MSVC80" || "$(CCTYPE)" == "MSVC80FREE" || \
"$(CCTYPE)" == "MSVC90" || "$(CCTYPE)" == "MSVC90FREE"
-LINK_FLAGS = $(LINK_FLAGS) "/manifestdependency:type='Win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'"
+LINK_FLAGS += "/manifestdependency:type='Win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'"
.ELSE
RSC_FLAGS = -DINCLUDE_MANIFEST
.ENDIF