From 46a95c974de475070d0eedb07212e5c5282b66bd Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 5 Apr 2016 07:26:09 +0200
Subject: Implement --buildfile option, overrides default buildfile, supports
 '-'

---
 build2/b.cxx | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'build2/b.cxx')

diff --git a/build2/b.cxx b/build2/b.cxx
index f9c3683..313fe95 100644
--- a/build2/b.cxx
+++ b/build2/b.cxx
@@ -786,12 +786,13 @@ main (int argc, char* argv[])
             trace << "  src_root: " << src_root;
           }
 
-          path bf (src_base / path ("buildfile"));
+          const path& bfn (ops.buildfile ());
+          path bf (bfn.string () != "-" ? src_base / bfn : bfn);
 
           // If we were guessing src_base, check that the buildfile
           // exists and if not, issue more detailed diagnostics.
           //
-          if (guessing && !file_exists (bf))
+          if (guessing && bf.string () != "-" && !file_exists (bf))
             fail << bf << " does not exist"
                  << info << "consider explicitly specifying src_base "
                  << "for " << tn;
-- 
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