linux-kernel - [tip:x86/urgent] x86/build: Supress "Nothing to be done for ..." messages

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Date:	Mon, 14 Apr 2014 04:22:24 -0700
From:	tip-bot for Masahiro Yamada <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, pefoley2@...oley.com, hpa@...or.com,
	mingo@...nel.org, yamada.m@...panasonic.com, mmarek@...e.cz,
	tglx@...utronix.de
Subject: [tip:x86/urgent] x86/build: Supress "Nothing to be done for ..."
  messages

Commit-ID:  e6bcd1a8974fab74e9fd679fb64462b2a8deff41
Gitweb:     http://git.kernel.org/tip/e6bcd1a8974fab74e9fd679fb64462b2a8deff41
Author:     Masahiro Yamada <yamada.m@...panasonic.com>
AuthorDate: Thu, 10 Apr 2014 10:35:42 +0900
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 14 Apr 2014 11:44:36 +0200

x86/build: Supress "Nothing to be done for ..." messages

When we build an already built kernel again, arch/x86/syscalls/Makefile
and arch/x86/tools/Makefile emits "Nothing to be done for ..."
messages.

Here is the command log:

  $ make defconfig
     [ snip ]
  $ make
     [ snip ]
  $ make
  make[1]: Nothing to be done for `all'.            <-----
  make[1]: Nothing to be done for `relocs'.         <-----
    CHK     include/config/kernel.release
    CHK     include/generated/uapi/linux/version.h

Besides not emitting those, "all" and "relocs" should be added to PHONY as well.

Signed-off-by: Masahiro Yamada <yamada.m@...panasonic.com>
Acked-by: Peter Foley <pefoley2@...oley.com>
Acked-by: Michal Marek <mmarek@...e.cz>
Link: http://lkml.kernel.org/r/1397093742-11144-1-git-send-email-yamada.m@jp.panasonic.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/syscalls/Makefile | 2 ++
 arch/x86/tools/Makefile    | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/arch/x86/syscalls/Makefile b/arch/x86/syscalls/Makefile
index f325af2..3323c27 100644
--- a/arch/x86/syscalls/Makefile
+++ b/arch/x86/syscalls/Makefile
@@ -54,5 +54,7 @@ syshdr-$(CONFIG_X86_64)		+= syscalls_64.h
 
 targets	+= $(uapisyshdr-y) $(syshdr-y)
 
+PHONY += all
 all: $(addprefix $(uapi)/,$(uapisyshdr-y))
 all: $(addprefix $(out)/,$(syshdr-y))
+	@:
diff --git a/arch/x86/tools/Makefile b/arch/x86/tools/Makefile
index e812034..604a37e 100644
--- a/arch/x86/tools/Makefile
+++ b/arch/x86/tools/Makefile
@@ -40,4 +40,6 @@ $(obj)/insn_sanity.o: $(srctree)/arch/x86/lib/insn.c $(srctree)/arch/x86/lib/ina
 HOST_EXTRACFLAGS += -I$(srctree)/tools/include
 hostprogs-y	+= relocs
 relocs-objs     := relocs_32.o relocs_64.o relocs_common.o
+PHONY += relocs
 relocs: $(obj)/relocs
+	@:
--
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