From adf00be99f341f056dbd6325d577541de3771870 Mon Sep 17 00:00:00 2001
From: Volker Grabsch <vog@notjusthosting.com>
Date: Sat, 31 Jan 2009 09:58:34 +0100
Subject: on "make update" touch only the *.mk files which have a new version

---
 Makefile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 23cd877..335d9d2 100644
--- a/Makefile
+++ b/Makefile
@@ -87,7 +87,9 @@ clean:
 define UPDATE
     $(if $(2), \
         $(info $(1): $(2)) \
-        $(SED) 's/^\([^ ]*_VERSION *:=\).*/\1 $(2)/' -i src/$(1).mk, \
+        $(if $(filter $(2),$($(1)_VERSION)), \
+            , \
+            $(SED) 's/^\([^ ]*_VERSION *:=\).*/\1 $(2)/' -i src/$(1).mk), \
         $(error Unable to update version number: $(1)))
 
 endef
-- 
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