diff --git a/third_party/build/gsm/config.h b/third_party/build/gsm/config.h
new file mode 100644
index 0000000..a7fec50
--- /dev/null
+++ b/third_party/build/gsm/config.h
@@ -0,0 +1,11 @@
+#ifdef _MSC_VER
+#   pragma warning(disable: 4100)   // unreferenced formal parameter
+#   pragma warning(disable: 4101)   // unreferenced local variable
+#   pragma warning(disable: 4244)   // conversion from 'double ' to 'float '
+#   pragma warning(disable: 4305)   // truncation from 'const double ' to 'float '
+#   pragma warning(disable: 4018)   // signed/unsigned mismatch
+//#   pragma warning(disable: 4701)   // local variable used without initialized
+#endif
+
+#include <string.h>
+#include "../../gsm/inc/config.h"