--- gmp-4.3.2.orig/configure.in	2010-01-07 21:09:02.000000000 +0100
+++ gmp-4.3.2/configure.in	2013-10-29 22:13:19.000000000 +0100
@@ -65,7 +65,7 @@ dnl
 dnl  Note that there's a copy of these options in the top-level Makefile.am,
 dnl  so update there too if changing anything.
 dnl
-AM_INIT_AUTOMAKE([1.8 gnu no-dependencies $(top_builddir)/ansi2knr])
+AM_INIT_AUTOMAKE([1.8 gnu no-dependencies])
 AM_CONFIG_HEADER(config.h:config.in)
 AM_MAINTAINER_MODE
 
@@ -2072,9 +2072,6 @@ fi
 echo "      MPN_PATH=\"$path\""
 
 
-# Automake ansi2knr support.
-AM_C_PROTOTYPES
-
 CL_AS_NOEXECSTACK
 
 GMP_PROG_AR