$OpenBSD: patch-orc_Makefile_in,v 1.1 2012/08/26 07:17:20 ajacoutot Exp $
--- orc/Makefile.in.orig	Thu Aug 16 20:04:42 2012
+++ orc/Makefile.in	Thu Aug 16 20:05:07 2012
@@ -322,7 +322,7 @@ top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 lib_LTLIBRARIES = liborc-@ORC_MAJORMINOR@.la
-liborc_@ORC_MAJORMINOR@_la_LIBADD = $(LIBM) $(LIBRT)
+liborc_@ORC_MAJORMINOR@_la_LIBADD = -lpthread $(LIBM) $(LIBRT)
 liborc_@ORC_MAJORMINOR@_la_LDFLAGS = \
 	-version-info $(ORC_LIBVERSION) \
 	-no-undefined -export-symbols-regex 'orc_'
