linux-kernel - [PATCH 1/6] scripts/gdb: silence 'nothing to do' message

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Date:	Tue, 28 Jun 2016 16:22:12 +0100
From:	Kieran Bingham <kieran@...uared.org.uk>
To:	akpm@...ux-foundation.org, corbet@....net, jan.kiszka@...mens.com,
	kieran@...uared.org.uk
Cc:	osandov@...com, n.borisov.lkml@...il.com,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/6] scripts/gdb: silence 'nothing to do' message

The constants.py generation, involves a rule to link into the main
makefile. This rule has no command and generates a spurious warning
message in the build logs when CONFIG_SCRIPTS_GDB is enabled.

Fix simply by giving a no-op action

Reported-by: Jan Kiszka <jan.kiszka@...mens.com>
Signed-off-by: Kieran Bingham <kieran@...gham.xyz>
---
 scripts/gdb/linux/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/scripts/gdb/linux/Makefile b/scripts/gdb/linux/Makefile
index cd129e65d1ff..7a33556db4e1 100644
--- a/scripts/gdb/linux/Makefile
+++ b/scripts/gdb/linux/Makefile
@@ -17,5 +17,6 @@ $(obj)/constants.py: $(SRCTREE)/$(obj)/constants.py.in
 	$(call if_changed,gen_constants_py)
 
 build_constants_py: $(obj)/constants.py
+	@:
 
 clean-files := *.pyc *.pyo $(if $(KBUILD_SRC),*.py) $(obj)/constants.py
-- 
2.7.4