$OpenBSD: patch-configure_ac,v 1.7 2013/10/05 19:54:46 brad Exp $
--- configure.ac.orig	Sat Aug 24 13:16:03 2013
+++ configure.ac	Fri Oct  4 03:33:54 2013
@@ -188,7 +188,7 @@ ORC_CFLAGS="$ORC_CFLAGS \$(ERROR_CFLAGS) -I\$(top_srcd
 AC_SUBST(ERROR_CFLAGS)
 AC_SUBST(ORC_CFLAGS)
 
-ORC_LIBS="\$(top_builddir)/orc/liborc-$ORC_MAJORMINOR.la $LIBM $LIBRT"
+ORC_LIBS="\$(top_builddir)/orc/liborc-$ORC_MAJORMINOR.la $LIBM $LIBRT $PTHREAD_LIBS"
 AC_SUBST(ORC_LIBS)
 
 #CFLAGS=`echo $CFLAGS | sed s/O2/O0/`
