$OpenBSD: patch-cmake_FindLIBSSH_cmake,v 1.1 2018/10/23 19:28:47 jasper Exp $

From 8d654eca784d5e1b2c6e853b7beb7ad3d8322290 Mon Sep 17 00:00:00 2001
From: Giovanni Panozzo <giovanni@panozzo.it>
Date: Sun, 12 Aug 2018 00:51:32 +0200
Subject: [PATCH] cmake: include libssh_threads only when available

Index: cmake/FindLIBSSH.cmake
--- cmake/FindLIBSSH.cmake.orig
+++ cmake/FindLIBSSH.cmake
@@ -51,7 +51,11 @@ include(FindPackageHandleStandardArgs)
 
 find_package_handle_standard_args(LIBSSH DEFAULT_MSG LIBSSH_LIBRARY LIBSSH_INCLUDE_DIR)
 
-set(LIBSSH_LIBRARIES ${LIBSSH_LIBRARY} ${LIBSSH_THREADS_LIBRARY})
+if (LIBSSH_THREADS_LIBRARY)
+	set(LIBSSH_LIBRARIES ${LIBSSH_LIBRARY} ${LIBSSH_THREADS_LIBRARY})
+else()
+	set(LIBSSH_LIBRARIES ${LIBSSH_LIBRARY})
+endif()
 set(LIBSSH_INCLUDE_DIRS ${LIBSSH_INCLUDE_DIR})
 
 mark_as_advanced(LIBSSH_INCLUDE_DIR LIBSSH_LIBRARY)