--- glob/glob.c	2013-10-20 17:14:38.000000000 +0000
+++ glob/glob.c	2018-09-18 10:16:03.860886356 +0000
@@ -208,7 +208,7 @@
 #endif /* __GNU_LIBRARY__ || __DJGPP__ */
 
 
-#if !defined __alloca && !defined __GNU_LIBRARY__
+#if !defined __alloca && defined __GNU_LIBRARY__
 
 # ifdef	__GNUC__
 #  undef alloca