--- config/gnulib/alloca.m4.orig	2007-05-04 13:39:05.000000000 +0200
+++ config/gnulib/alloca.m4	2008-06-28 19:00:37.000000000 +0200
@@ -39,10 +39,6 @@ AC_DEFUN([gl_FUNC_ALLOCA],
     ALLOCA_H=alloca.h
   fi
   AC_SUBST([ALLOCA_H])
-
-  AC_DEFINE(HAVE_ALLOCA_H, 1,
-    [Define HAVE_ALLOCA_H for backward compatibility with older code
-     that includes <alloca.h> only if HAVE_ALLOCA_H is defined.])
 ])
 
 # Prerequisites of lib/alloca.c.
--- configure.orig	2007-06-07 01:22:45.000000000 +0200
+++ configure	2008-06-28 19:02:47.000000000 +0200
@@ -8174,9 +8174,6 @@ _ACEOF
 
 
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_ALLOCA_H 1
-_ACEOF