--- rpl/Attic/configure.in	2011/06/24 15:59:06	1.63
+++ rpl/Attic/configure.in	2011/06/27 13:14:28	1.66
@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_INIT([rpl],[4.1.0.prerelease.3])
+AC_INIT([rpl],[4.1.0])
 AC_CANONICAL_TARGET
 AC_CANONICAL_TARGET
 AM_INIT_AUTOMAKE
@@ -114,6 +114,25 @@ if test "$ac_x_libraries" != "no"; then
 	fi
 fi
 
+dnl 32 bits ABI
+AC_ARG_WITH(32bits,
+[  --with-32bits-abi       force 32bits ABI (multilib)],[
+if test "$with-32bits-abi" = "no"; then
+	CFLAGS=
+	FFLAGS=
+	CXXFLAGS=
+	FCFLAGS=
+else
+	CFLAGS="$CFLAGS -m32"
+	FFLAGS="$FFLAGS -m32"
+	FCFLAGS="$FCFLAGS -m32"
+],[
+	CFLAGS="$CFLAGS -m32"
+	FFLAGS="$FFLAGS -m32"
+	FCFLAGS="$FCFLAGS -m32"
+	]
+)
+
 dnl Options
 AC_ARG_ENABLE(optimization,
 [  --enable-optimization   set compiler flags [[default=environment variables -O3]]], [