diff --git a/configure.in b/configure.in
index 41468b9..6f7f29e 100644
--- a/configure.in
+++ b/configure.in
@@ -306,6 +306,7 @@ dnl	AC_CHECK_LIB(mld, main)
 
 AC_RETSIGTYPE
 AC_HAVE_HEADERS(libgen.h sys/timeb.h posix/time.h sys/select.h)
+AC_HAVE_FUNCS(strerror)
 AC_HAVE_FUNCS(dlopen gettimeofday ftime nlist select setitimer sigaction)
 AC_HAVE_FUNCS(socket chroot)