From 531a3d42bc3351d7bf7892a33529106fa580866c Mon Sep 17 00:00:00 2001
From: Ingo Weinhold <ingo_weinhold@gmx.de>
Date: Sat, 6 Jul 2013 02:19:51 +0200
Subject: [PATCH] Add rule ChecksumFileSHA256

---
 build/jam/FileRules | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/build/jam/FileRules b/build/jam/FileRules
index a63c1a038a..c8aaa6b8e9 100644
--- a/build/jam/FileRules
+++ b/build/jam/FileRules
@@ -437,3 +437,10 @@ rule DownloadFile file : url : source
 	return $(file) ;
 }
 
+
+actions ChecksumFileSHA256
+{
+	$(HOST_SHA256) $(2) | sed -r 's,([^[:space:]]*).*,\1,' > $(1)
+		# The sed part is only necessary for sha256sum, but it doesn't harm for
+		# sha256 either.
+}