From ef133dbeb5a30b3d3bc814c4d219c8fbe612ac95 Mon Sep 17 00:00:00 2001
From: Carl Worth <cworth@cworth.org>
Date: Tue, 20 Jul 2010 15:59:56 -0700
Subject: Makefiles: Don't complain if depend file to be included doesn't
 exist.

While bootstrapping the dependencies, make will see the "include depend"
directive before the depend file has been created. To avoid a spurious
warning in this case we use "-include" instead, (which differs precisely
in the fact that it will not emit a diagnostic if the named file does
not exist).
---
 src/glut/glx/Makefile | 2 +-
 src/glw/Makefile      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/glut/glx/Makefile b/src/glut/glx/Makefile
index 6889cd4b40..69f8052c09 100644
--- a/src/glut/glx/Makefile
+++ b/src/glut/glx/Makefile
@@ -137,4 +137,4 @@ depend: $(SOURCES)
 	@ $(MKDEP) $(MKDEP_OPTIONS) -I$(TOP)/include $(SOURCES) \
 		$(X11_INCLUDES) > /dev/null 
 
-include depend
+-include depend
diff --git a/src/glw/Makefile b/src/glw/Makefile
index 1fb3d3c320..2191c018ab 100644
--- a/src/glw/Makefile
+++ b/src/glw/Makefile
@@ -71,4 +71,4 @@ depend: $(GLW_SOURCES)
 		$(X11_INCLUDES) > /dev/null
 
 
-include depend
+-include depend
-- 
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