--- /dev/null
+diff --git a/src/loslib.c b/src/loslib.c
+index e65e188..3595601 100644
+--- a/src/loslib.c
++++ b/src/loslib.c
+@@ -3,7 +3,9 @@
+ ** Standard Operating System library
+ ** See Copyright Notice in lua.h
+ */
+-
++#if defined(__APPLE__)
++#include <TargetConditionals.h>
++#endif
+ #define loslib_c
+ #define LUA_LIB
+
+@@ -143,7 +145,12 @@ static int os_execute (lua_State *L) {
+ const char *cmd = luaL_optstring(L, 1, NULL);
+ int stat;
+ errno = 0;
+- stat = system(cmd);
++#if defined(__APPLE__) && !TARGET_OS_OSX
++ // system() is __IOS_PROHIBITED, __WATCHOS_PROHIBITED, and __TVOS_PROHIBITED.
++ stat = 127; // error: shell execution failed
++#else
++ stat = system(cmd);
++#endif
+ if (cmd != NULL)
+ return luaL_execresult(L, stat);
+ else {