From 08f3a3e52af7e70153002826cc6d00bda3846ea7 Mon Sep 17 00:00:00 2001
From: Rene Rivera <grafikrobot@gmail.com>
Date: Thu, 26 Jun 2003 15:45:48 +0000
Subject: [PATCH] Workaround for deficient Windows ECHO command which can't
 output a blank line.

[SVN r18872]
---
 new/print.jam     | 4 +++-
 v2/util/print.jam | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/new/print.jam b/new/print.jam
index 6019477e8..dfcbf977c 100644
--- a/new/print.jam
+++ b/new/print.jam
@@ -318,7 +318,9 @@ rule text (
             }
         }
     }
-    else if $(output-target)
+    # We ignore empty output because the Windows ECHO command is
+    # braindamaged. It doesn't have any facility for echoing a blank line.
+    else if $(output-target) && $(strings)
     {
         if ! $($(output-target).did-action)
         {
diff --git a/v2/util/print.jam b/v2/util/print.jam
index 6019477e8..dfcbf977c 100644
--- a/v2/util/print.jam
+++ b/v2/util/print.jam
@@ -318,7 +318,9 @@ rule text (
             }
         }
     }
-    else if $(output-target)
+    # We ignore empty output because the Windows ECHO command is
+    # braindamaged. It doesn't have any facility for echoing a blank line.
+    else if $(output-target) && $(strings)
     {
         if ! $($(output-target).did-action)
         {