From eeb155ebc35c5947234f731c333e2bd71ea88974 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 28 Aug 2024 09:36:16 +0200
Subject: Add support for JSON compilation database generation and maintenance

See the "Compilation Database" section in the "cc Module" chapter of
the manual for details.
---
 libbuild2/variable.hxx | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'libbuild2/variable.hxx')

diff --git a/libbuild2/variable.hxx b/libbuild2/variable.hxx
index a14c52b..e55a121 100644
--- a/libbuild2/variable.hxx
+++ b/libbuild2/variable.hxx
@@ -1380,6 +1380,9 @@ namespace build2
   extern template struct LIBBUILD2_DECEXPORT
   value_traits<vector<pair<string, optional<bool>>>>;
 
+  extern template struct LIBBUILD2_DECEXPORT
+  value_traits<vector<pair<optional<string>, bool>>>;
+
   extern template struct LIBBUILD2_DECEXPORT value_traits<set<string>>;
   extern template struct LIBBUILD2_DECEXPORT value_traits<set<json_value>>;
 
-- 
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