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Diffstat (limited to 'source/luametatex/source/luacore/lua54/src/loslib.c')
-rw-r--r--source/luametatex/source/luacore/lua54/src/loslib.c17
1 files changed, 5 insertions, 12 deletions
diff --git a/source/luametatex/source/luacore/lua54/src/loslib.c b/source/luametatex/source/luacore/lua54/src/loslib.c
index 7eb05cafd..89ac06bc4 100644
--- a/source/luametatex/source/luacore/lua54/src/loslib.c
+++ b/source/luametatex/source/luacore/lua54/src/loslib.c
@@ -138,21 +138,14 @@
/* }================================================================== */
-/*
-** Despite claiming to be ISO, the C library in some Apple platforms
-** does not implement 'system'.
-*/
-#if !defined(l_system) && defined(__APPLE__) /* { */
-#include "TargetConditionals.h"
-#if TARGET_OS_IOS || TARGET_OS_WATCH || TARGET_OS_TV
-#define l_system(cmd) ((cmd) == NULL ? 0 : -1)
-#endif
-#endif /* } */
-
#if !defined(l_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)
+#else
#define l_system(cmd) system(cmd) /* default definition */
#endif
-
+#endif
static int os_execute (lua_State *L) {