From 2c0a2b0d688b4450c72cde12ecedaa3fc3c9662a Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 24 Oct 2016 16:13:26 +0200
Subject: Add build.driver variable with build system driver path (argv[0])

---
 build2/utility.cxx | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'build2/utility.cxx')

diff --git a/build2/utility.cxx b/build2/utility.cxx
index ca6b239..4b68edb 100644
--- a/build2/utility.cxx
+++ b/build2/utility.cxx
@@ -89,6 +89,7 @@ namespace build2
     return l;
   }
 
+  path argv0;
   dir_path work;
   dir_path home;
   const dir_path* relative_base = &work;
@@ -505,8 +506,10 @@ namespace build2
   bool exception_unwinding_dtor = false;
 
   void
-  init (uint16_t v)
+  init (const char* a0, uint16_t v)
   {
+    argv0 = path (a0);
+
     // Diagnostics verbosity.
     //
     verb = v;
-- 
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