--- a/lua/cbits/lua-5.4.8/liolib.c
+++ b/lua/cbits/lua-5.4.8/liolib.c
@@ -301,10 +301,14 @@


 static int io_tmpfile (lua_State *L) {
+#if defined(LUA_STUB_TMPFILE)
+  return 1;
+#else
   LStream *p = newfile(L);
   errno = 0;
   p->f = tmpfile();
   return (p->f == NULL) ? luaL_fileresult(L, 0, NULL) : 1;
+#endif
 }


--- a/lua/cbits/lua-5.4.8/loslib.c
+++ b/lua/cbits/lua-5.4.8/loslib.c
@@ -101,7 +101,12 @@
 */
 #if !defined(lua_tmpnam)	/* { */

-#if defined(LUA_USE_POSIX)	/* { */
+#if defined(LUA_STUB_TMPNAM) /* { */
+
+#define LUA_TMPNAMBUFSIZE	32
+#define lua_tmpnam(b,e) { e = 1; }
+
+#elif defined(LUA_USE_POSIX)	/* }{ */

 #include <unistd.h>

@@ -131,7 +136,7 @@
 /* }================================================================== */


-#if !defined(l_system)
+#if !defined(l_system) && !defined(LUA_STUB_SYSTEM)
 #if defined(LUA_USE_IOS)
 /* Despite claiming to be ISO C, iOS does not implement 'system'. */
 #define l_system(cmd) ((cmd) == NULL ? 0 : -1)
@@ -142,6 +147,9 @@


 static int os_execute (lua_State *L) {
+#if defined(LUA_STUB_SYSTEM)
+  return 1;
+#else
   const char *cmd = luaL_optstring(L, 1, NULL);
   int stat;
   errno = 0;
@@ -152,6 +160,7 @@
     lua_pushboolean(L, stat);  /* true if there is a shell */
     return 1;
   }
+#endif
 }