diff --git a/sim/erc32/configure.in b/sim/erc32/configure.in
index ea61c92d924..2438a6c6066 100644
--- a/sim/erc32/configure.in
+++ b/sim/erc32/configure.in
@@ -1,11 +1,12 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_PREREQ(2.3)dnl
+AC_PREREQ(2.5)dnl
 AC_INIT(Makefile.in)
 
 AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/../..)
 AC_CANONICAL_SYSTEM
 AC_ARG_PROGRAM
 AC_PROG_CC
+AC_PROG_INSTALL
 
 . ${srcdir}/../../bfd/configure.host