From 8ac1daf33da807635eddd881f2b178af8e22863a Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 12 Nov 2019 14:51:02 +0200
Subject: Infra work for customizable config var persistence
 (config.config.persist)

---
 libbuild2/config/module.hxx | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'libbuild2/config/module.hxx')

diff --git a/libbuild2/config/module.hxx b/libbuild2/config/module.hxx
index 296dec5..eccd61b 100644
--- a/libbuild2/config/module.hxx
+++ b/libbuild2/config/module.hxx
@@ -86,6 +86,10 @@ namespace build2
       bool
       save_module (const char* name, int prio = 0);
 
+      // Cached (during init) config.config.persist value, if defined.
+      //
+      const vector<pair<string, string>>* persist = nullptr;
+
       static const string name;
       static const uint64_t version;
     };
-- 
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