fix missing LUA_EXTERNC definition

1 files changed, 2 insertions, 0 deletions

diff --git a/qttorch.h b/qttorch.h
index dc10d6c..e1c70ce 100644
--- a/qttorch.h
+++ b/qttorch.h
@@ -21,6 +21,8 @@ extern "C" {
 # define QTTORCH_API /**/
 #endif
 
+#define LUA_EXTERNC extern "C"
+
 LUA_EXTERNC QTTORCH_API int luaopen_libqttorch(lua_State *L);