From 5a5ce7b26496aac4d29ac6d98ee524427b07587b Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 23 Aug 2019 15:15:38 +0200
Subject: old/new_src_root

---
 libbuild2/utility.hxx | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'libbuild2/utility.hxx')

diff --git a/libbuild2/utility.hxx b/libbuild2/utility.hxx
index f7a437e..a6a7ac3 100644
--- a/libbuild2/utility.hxx
+++ b/libbuild2/utility.hxx
@@ -165,6 +165,9 @@ namespace build2
   // state dump). If it is empty, then relative() below returns the original
   // path.
   //
+  // @@ CTX: this could be an issue if changed concurrently from several
+  //         contexts.
+  //
   LIBBUILD2_SYMEXPORT extern const dir_path* relative_base;
 
   // If possible and beneficial, translate an absolute, normalized path into
-- 
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