ignore boost warnings for lexical_cast

src/style/value.cpp

@@ -1,6 +1,11 @@
 #include <llmr/style/value.hpp>
 
+#pragma GCC diagnostic push
+#ifndef __clang__
+#pragma GCC diagnostic ignored "-Wunused-local-typedefs"
+#endif
 #include <boost/lexical_cast.hpp>
+#pragma GCC diagnostic pop
 
 llmr::Value llmr::parseValue(pbf data) {
     while (data.next())