From b19fe69cdd0d32dc45f166447170bc5c9c54ac5a Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 24 Feb 2020 14:14:45 +0200
Subject: Extract version for lld-link

---
 libbuild2/bin/guess.hxx | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'libbuild2/bin/guess.hxx')

diff --git a/libbuild2/bin/guess.hxx b/libbuild2/bin/guess.hxx
index 255932b..27bb5ed 100644
--- a/libbuild2/bin/guess.hxx
+++ b/libbuild2/bin/guess.hxx
@@ -72,12 +72,17 @@ namespace build2
     // toolchain-specific manner (usually the output of --version/-version/-v)
     // and is not bulletproof.
     //
+    // Note that for now the version is extracted only for some linkers. Once
+    // it's done for all of them, we should drop optional.
+    //
     struct ld_info
     {
       process_path path;
       string id;
       string signature;
       string checksum;
+
+      optional<semantic_version> version;
     };
 
     ld_info
-- 
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