$OpenBSD: patch-src_tests_Makefile_in,v 1.2 2014/08/13 06:18:47 dcoppa Exp $
--- src/tests/Makefile.in.orig	Mon Jun 30 20:38:01 2014
+++ src/tests/Makefile.in	Wed Aug 13 07:34:28 2014
@@ -212,7 +212,8 @@ LIBRARY_BITNESS = @LIBRARY_BITNESS@
 LIBS = \
 	$(top_builddir)/src/libopensc/libopensc.la \
 	$(top_builddir)/src/common/libscdl.la \
-	$(top_builddir)/src/common/libcompat.la
+	$(top_builddir)/src/common/libcompat.la \
+	-lpthread
 
 LIBTOOL = @LIBTOOL@
 LIPO = @LIPO@
