$OpenBSD: patch-configure_ac,v 1.1 2017/12/20 17:22:37 jca Exp $

Index: configure.ac
--- configure.ac.orig
+++ configure.ac
@@ -31,6 +31,9 @@ CXXFLAGS="$CXXFLAGS $INCICONV"
 dnl Check for iconvctl
 AC_CHECK_FUNC(iconvctl, [AC_DEFINE(HAVE_ICONVCTL, [1], [Define to 1 if you the iconvctl call])], )
 
+dnl Check for pledge
+AC_CHECK_FUNC(pledge, [AC_DEFINE(HAVE_PLEDGE, [1], [Define to 1 if you the pledge call])], )
+
 dnl add x11 to the env
 AC_PATH_X
 AC_PATH_XTRA
