linux-kernel - [PATCH AUTOSEL 4.19 08/25] powerpc: make the install target not depend on any build artifact

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Message-Id: <20210910002234.176125-8-sashal@kernel.org>
Date:   Thu,  9 Sep 2021 20:22:16 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Sasha Levin <sashal@...nel.org>, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH AUTOSEL 4.19 08/25] powerpc: make the install target not depend on any build artifact

From: Masahiro Yamada <masahiroy@...nel.org>

[ Upstream commit 9bef456b20581e630ef9a13555ca04fed65a859d ]

The install target should not depend on any build artifact.

The reason is explained in commit 19514fc665ff ("arm, kbuild: make
"make install" not depend on vmlinux").

Change the PowerPC installation code in a similar way.

Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@...gle.com>
Signed-off-by: Michael Ellerman <mpe@...erman.id.au>
Link: https://lore.kernel.org/r/20210729141937.445051-2-masahiroy@kernel.org
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/powerpc/boot/Makefile   |  2 +-
 arch/powerpc/boot/install.sh | 14 ++++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 7a83b5e136e0..5f9a8ff76a65 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -442,7 +442,7 @@ $(obj)/zImage.initrd:	$(addprefix $(obj)/, $(initrd-y))
 	$(Q)rm -f $@; ln $< $@
 
 # Only install the vmlinux
-install: $(CONFIGURE) $(addprefix $(obj)/, $(image-y))
+install:
 	sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)"
 
 # Install the vmlinux and other built boot targets.
diff --git a/arch/powerpc/boot/install.sh b/arch/powerpc/boot/install.sh
index b6a256bc96ee..8d669cf1ccda 100644
--- a/arch/powerpc/boot/install.sh
+++ b/arch/powerpc/boot/install.sh
@@ -21,6 +21,20 @@
 # Bail with error code if anything goes wrong
 set -e
 
+verify () {
+	if [ ! -f "$1" ]; then
+		echo ""                                                   1>&2
+		echo " *** Missing file: $1"                              1>&2
+		echo ' *** You need to run "make" before "make install".' 1>&2
+		echo ""                                                   1>&2
+		exit 1
+	fi
+}
+
+# Make sure the files actually exist
+verify "$2"
+verify "$3"
+
 # User may have a custom install script
 
 if [ -x ~/bin/${INSTALLKERNEL} ]; then exec ~/bin/${INSTALLKERNEL} "$@"; fi
-- 
2.30.2