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Date:   Tue, 12 Jan 2021 07:57:39 -0500
From:   Sasha Levin <>
Cc:     Masahiro Yamada <>,
        Vineet Gupta <>,
        Sasha Levin <>,
Subject: [PATCH AUTOSEL 4.14 03/13] ARC: build: add boot_targets to PHONY

From: Masahiro Yamada <>

[ Upstream commit 0cfccb3c04934cdef42ae26042139f16e805b5f7 ]

The top-level boot_targets (uImage and uImage.*) should be phony
targets. They just let Kbuild descend into arch/arc/boot/ and create
files there.

If a file exists in the top directory with the same name, the boot
image will not be created.

You can confirm it by the following steps:

  $ export CROSS_COMPILE=<your-arc-compiler-prefix>
  $ make -s ARCH=arc defconfig all   # vmlinux will be built
  $ touch uImage.gz
  $ make ARCH=arc uImage.gz
  CALL    scripts/atomic/
  CALL    scripts/
  CHK     include/generated/compile.h
  # arch/arc/boot/uImage.gz is not created

Specify the targets as PHONY to fix this.

Signed-off-by: Masahiro Yamada <>
Signed-off-by: Vineet Gupta <>
Signed-off-by: Sasha Levin <>
 arch/arc/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arc/Makefile b/arch/arc/Makefile
index 1146ca5fc349b..ef5e8ea042158 100644
--- a/arch/arc/Makefile
+++ b/arch/arc/Makefile
@@ -101,6 +101,7 @@ boot		:= arch/arc/boot
 boot_targets := uImage uImage.bin uImage.gz uImage.lzma
+PHONY += $(boot_targets)
 $(boot_targets): vmlinux
 	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@

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