update ceph source to reef 18.1.2

[ceph.git] / ceph / src / boost / tools / build / src / tools / features / cxxflags-feature.jam

diff --git a/ceph/src/boost/tools/build/src/tools/features/cxxflags-feature.jam b/ceph/src/boost/tools/build/src/tools/features/cxxflags-feature.jam
index 6db7a7ce646e575b67851aceeda6d1f396e73a81..fe4d9720848e9a33b8900b720677ee794c323953 100644 (file)
--- a/ceph/src/boost/tools/build/src/tools/features/cxxflags-feature.jam
+++ b/ceph/src/boost/tools/build/src/tools/features/cxxflags-feature.jam
@@ -1,7 +1,7 @@
 # Copyright 2017 Rene Rivera
 # Distributed under the Boost Software License, Version 1.0.
-# (See accompanying file LICENSE_1_0.txt or copy at
-# http://www.boost.org/LICENSE_1_0.txt)
+# (See accompanying file LICENSE.txt or copy at
+# https://www.bfgroup.xyz/b2/LICENSE.txt)
 
 import feature ;
 
@@ -14,4 +14,4 @@ See <<bbv2.builtin.features.cflags,`<cflags>`>>.
 
 feature.feature cxxflags
     :
-    : free ;
+    : free optional ;