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 | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'build2/utility')

diff --git a/build2/utility b/build2/utility
index 56e0c47..7c30395 100644
--- a/build2/utility
+++ b/build2/utility
@@ -83,6 +83,10 @@ namespace build2
   next_word (const string&, size_t n, size_t& b, size_t& e,
              char d1 = ' ', char d2 = '\0');
 
+  // Build system driver recall path (argv[0]).
+  //
+  extern path argv0;
+
   // Work/home directories (must be initialized in main()) and relative path
   // calculation.
   //
@@ -476,7 +480,7 @@ namespace build2
   // Should be called early in main() once.
   //
   void
-  init (uint16_t verbosity);
+  init (const char* argv0, uint16_t verbosity);
 }
 
 #include <build2/utility.ixx>
-- 
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