diff -Naur glob/glob.c glob/glob.c
--- glob/glob.c	2013-10-20 13:14:38.000000000 -0400
+++ glob/glob.c	2018-03-16 14:32:38.483496170 -0400
@@ -208,28 +208,9 @@
 #endif /* __GNU_LIBRARY__ || __DJGPP__ */
 
 
-#if !defined __alloca && !defined __GNU_LIBRARY__
-
-# ifdef	__GNUC__
-#  undef alloca
-#  define alloca(n)	__builtin_alloca (n)
-# else	/* Not GCC.  */
-#  ifdef HAVE_ALLOCA_H
 #   include <alloca.h>
-#  else	/* Not HAVE_ALLOCA_H.  */
-#   ifndef _AIX
-#    ifdef WINDOWS32
-#     include <malloc.h>
-#    else
-extern char *alloca ();
-#    endif /* WINDOWS32 */
-#   endif /* Not _AIX.  */
-#  endif /* sparc or HAVE_ALLOCA_H.  */
-# endif	/* GCC.  */
-
 # define __alloca	alloca
 
-#endif
 
 #ifndef __GNU_LIBRARY__
 # define __stat stat