From 5e51d523e71231cb190e9ed981962df527f4ee7e Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sun, 4 Apr 2021 13:11:56 +0200
Subject: Add base functionality for hermetic build configurations

---
 libbuild2/config/operation.hxx | 7 +++++++
 1 file changed, 7 insertions(+)

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

diff --git a/libbuild2/config/operation.hxx b/libbuild2/config/operation.hxx
index a887eb7..ded3c8b 100644
--- a/libbuild2/config/operation.hxx
+++ b/libbuild2/config/operation.hxx
@@ -15,6 +15,8 @@ namespace build2
 {
   namespace config
   {
+    class module;
+
     extern const meta_operation_info mo_configure;
     extern const meta_operation_info mo_disfigure;
 
@@ -37,7 +39,12 @@ namespace build2
     save_config (const scope& rs,
                  ostream&, const path_name&,
                  bool inherit,
+                 module&,
                  const project_set&);
+
+    // See config.config.hermetic.environment.
+    //
+    using hermetic_environment = vector<pair<string, optional<bool>>>;
   }
 }
 
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