[Boost-commit] svn:boost r61736 - sandbox/SOC/2010/bit_masks

Subject: [Boost-commit] svn:boost r61736 - sandbox/SOC/2010/bit_masks
From: bbartmanboost_at_[hidden]
Date: 2010-05-02 13:34:54

Author: bbartman
Date: 2010-05-02 13:34:54 EDT (Sun, 02 May 2010)
New Revision: 61736
URL: http://svn.boost.org/trac/boost/changeset/61736

Log:
adding project root file to subversion
Added:
   sandbox/SOC/2010/bit_masks/project-root.jam   (contents, props changed)

Added: sandbox/SOC/2010/bit_masks/project-root.jam
==============================================================================
--- (empty file)
+++ sandbox/SOC/2010/bit_masks/project-root.jam	2010-05-02 13:34:54 EDT (Sun, 02 May 2010)
@@ -0,0 +1,42 @@
+#
+#   Copyright (c) 2006 Brian Bartman
+#
+#   Distributed under the Boost Software License, Version 1.0. (See
+#   accompanying file LICENSE_1_0.txt or copy at
+#   http://www.boost.org/LICENSE_1_0.txt)
+#
+
+##
+##  IMPORTANT NOTE: This file MUST NOT be copied over a boost installation
+##
+
+path-constant top : . ;
+
+import modules ;
+import path ;
+
+local boost-root = [ modules.peek : BOOST_ROOT ] ;
+
+if ! $(boost-root)
+{
+    local boost-search-dirs = [ modules.peek : BOOST_BUILD_PATH ] ;
+
+    for local dir in $(boost-search-dirs)
+    {
+        if [ path.glob $(dir)/../../../ : boost/version.hpp ]
+        {
+            boost-root += $(dir)/../../../ ;
+        }
+    }
+
+    if $(boost-root)
+    {
+        boost-root = [ path.make $(boost-root[1]) ] ;
+    }
+    else
+    {
+        ECHO "Warning: couldn't find BOOST_ROOT in" $(boost-root) ;
+    }
+}
+
+path-constant BOOST_ROOT : $(boost-root) ;