From ee49a8c2a3dbe88c625599a750c9219e3118b008 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 7 Nov 2016 11:47:51 +0200
Subject: Make build.driver path absolute

---
 build2/context.cxx | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'build2/context.cxx')

diff --git a/build2/context.cxx b/build2/context.cxx
index 1b5e03c..03e64cd 100644
--- a/build2/context.cxx
+++ b/build2/context.cxx
@@ -236,7 +236,19 @@ namespace build2
       v.insert<string> ("extension", variable_visibility::target);
     }
 
-    gs.assign<path> ("build.driver") = argv0;
+    // Absolute path to the build system driver.
+    //
+    {
+      path p (argv0.effect_string ());
+
+      if (p.relative ())
+      {
+        p = work / p;
+        p.normalize ();
+      }
+
+      gs.assign<path> ("build.driver") = move (p);
+    }
 
     gs.assign<dir_path> ("build.work") = work;
     gs.assign<dir_path> ("build.home") = home;
-- 
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