From e5664cb06e54d50e42e7722d5eaafd3cae2313b0 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 19 Jul 2017 18:51:51 +0200
Subject: Add support for explicit fsdir{} specification

---
 build2/algorithm.hxx | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'build2/algorithm.hxx')

diff --git a/build2/algorithm.hxx b/build2/algorithm.hxx
index fc5e02a..5b52069 100644
--- a/build2/algorithm.hxx
+++ b/build2/algorithm.hxx
@@ -239,6 +239,11 @@ namespace build2
   // the injected target or NULL. Normally this function is called from the
   // rule's apply() function.
   //
+  // As an extension, this function will also search for an existing fsdir{}
+  // prerequisite for the directory and if one exists, return that (even if
+  // the target is in src tree). This can be used, for example, to place
+  // output into an otherwise non-existent directory.
+  //
   const fsdir*
   inject_fsdir (action, target&, bool parent = true);
 
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