From 7fae3a84a27b81380a10a7ea798205da68e69d53 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Mon, 3 Dec 2018 15:11:52 +0300
Subject: Fix to compile with g++ 4.9

---
 tests/load/driver.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tests/load/driver.cxx b/tests/load/driver.cxx
index e7a7eaa..a36416b 100644
--- a/tests/load/driver.cxx
+++ b/tests/load/driver.cxx
@@ -829,7 +829,8 @@ test_pkg_repos (const cstrings& loader_args,
     assert (
       epv->build_constraints ==
       build_constraints ({
-        build_constraint (false, "windows**d", "x86_64**", ""),
+          build_constraint (
+            false, "windows**d", optional<string> ("x86_64**"), ""),
         build_constraint (false, "windows-vc_13**", nullopt, ""),
         build_constraint (true, "**", nullopt, "Only supported on Windows.")}));
 
-- 
cgit v1.1