From c97b19321969cce9fd497da083d5a3bfb0392e13 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 2 Sep 2016 14:23:33 +0200
Subject: Exclude win32-utility from non-Windows builds

This gets rid of a warning about an empty object file.
---
 butl/buildfile | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'butl/buildfile')

diff --git a/butl/buildfile b/butl/buildfile
index 4ac0672..0f45f42 100644
--- a/butl/buildfile
+++ b/butl/buildfile
@@ -22,8 +22,14 @@ lib{butl}:                         \
 {hxx         cxx}{ triplet       } \
 {hxx ixx        }{ utility       } \
 {hxx            }{ vector-view   } \
-{hxx            }{ version       } \
-{hxx         cxx}{ win32-utility }
+{hxx            }{ version       }
+
+# Exclude these from compilation on non-Windows targets.
+#
+if ($cxx.target.class == "windows")
+  lib{butl}: {hxx         cxx}{ win32-utility }
+else
+  lib{butl}: file{ win32-utility win32-utility.cxx }
 
 # This one is included into sha256.cxx so treat it as file to exclude
 # from the compilation.
-- 
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