1 files changed, 8 insertions, 0 deletions
diff --git a/INTERN.h b/INTERN.h
index da3057a83c..206d56e56e 100644
--- a/INTERN.h
+++ b/INTERN.h
@@ -48,6 +48,14 @@
 #  endif
 #endif
 
+#ifndef EXTERN_C
+#  ifdef __cplusplus
+#    define EXTERN_C extern "C"
+#  else
+#    define EXTERN_C extern
+#  endif
+#endif
+
 #undef INIT
 #define INIT(x) = x