--- recode-3.6.orig/configure.in	2001-01-03 16:50:54.000000000 +0100
+++ recode-3.6/configure.in	2012-07-23 14:15:28.000000000 +0200
@@ -15,7 +15,7 @@
 AM_PROG_LIBTOOL
 
 AC_ISC_POSIX
-AM_C_PROTOTYPES
+dnl AM_C_PROTOTYPES
 AC_C_CONST
 AC_C_INLINE
 ad_AC_PROG_FLEX
--- recode-3.6.orig/src/Makefile.am	2000-12-06 17:36:12.000000000 +0100
+++ recode-3.6/src/Makefile.am	2012-07-23 14:47:07.000000000 +0200
@@ -17,7 +17,7 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 # 02111-1307, USA.
 
-AUTOMAKE_OPTIONS = gnits ansi2knr
+AUTOMAKE_OPTIONS = gnits
 bin_PROGRAMS = recode
 lib_LTLIBRARIES = librecode.la
 man_MANS = recode.1