1 files changed, 6 insertions, 0 deletions
diff --git a/mangle.h b/mangle.h
index 64c6f75619..0e37c88d7b 100644
--- a/mangle.h
+++ b/mangle.h
@@ -31,6 +31,12 @@
 #define attribute_used
 #endif
 
+#if _WIN32
+#define EXTERN_PREFIX "_"
+#else
+#define EXTERN_PREFIX ""
+#endif
+
 #if ARCH_X86_64 && defined(PIC)
 #define MANGLE(a) EXTERN_PREFIX #a "(%%rip)"
 #else