$OpenBSD: patch-configure_ac,v 1.10 2019/04/22 08:19:14 ajacoutot Exp $

Index: configure.ac
--- configure.ac.orig
+++ configure.ac
@@ -244,7 +244,7 @@ ORC_CFLAGS="$ORC_CFLAGS \$(VISIBILITY_CFLAGS) \$(ERROR
 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/`
