diff -r 2694e8449a2a -r ecdf6ce2301e misc/libphyslayer/physfslualoader.c
--- a/misc/libphyslayer/physfslualoader.c	Sat Jul 21 15:58:07 2018 +0200
+++ b/misc/libphyslayer/physfslualoader.c	Sun Jul 22 02:29:44 2018 +0200
@@ -4,11 +4,13 @@
 #include "physfscompat.h"
 
 #define BUFSIZE 1024
+#define UNUSED(x) (void)(x)
 
 void *physfsReaderBuffer;
 
 PHYSFS_DECL const char * physfsReader(lua_State *L, PHYSFS_File *f, size_t *size)
 {
+    UNUSED(L);
 
     if(PHYSFS_eof(f))
     {