From fd689eb883655dcb29e505b041cd02fac01f0bac Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 27 Aug 2015 15:11:40 +0200
Subject: Dist module/meta-operation initial implementation

---
 build/config/utility | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

(limited to 'build/config/utility')

diff --git a/build/config/utility b/build/config/utility
index 82f71fe..406c271 100644
--- a/build/config/utility
+++ b/build/config/utility
@@ -49,12 +49,25 @@ namespace build
     // Return the value, which can be NULL.
     //
     const value&
-    optional (scope& root, const variable& var);
+    optional (scope& root, const variable&);
 
     inline const value&
-    optional (scope& root, const std::string& name)
+    optional (scope& root, const std::string& var)
     {
-      return optional (root, variable_pool.find (name));
+      return optional (root, variable_pool.find (var));
+    }
+
+    // As above but assumes the value is dir_path and makes it
+    // absolute if the value specified on the command line is
+    // relative.
+    //
+    const value&
+    optional_absolute (scope& root, const variable&);
+
+    inline const value&
+    optional_absolute (scope& root, const std::string& var)
+    {
+      return optional_absolute (root, variable_pool.find (var));
     }
 
     // Check whether there are any variables specified from the
-- 
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