linux-kernel - Re: [Patch] make installkernel configurable from command line (was Re: how to avoid that install.sh goes mad, if I am not root?)

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Date:	Tue, 25 Jan 2011 13:48:00 +0800
From:	Américo Wang <xiyou.wangcong@...il.com>
To:	Mikael Pettersson <mikpe@...uu.se>
Cc:	Américo Wang <xiyou.wangcong@...il.com>,
	Harald Dunkel <harri@...ics.de>, linux-kernel@...r.kernel.org,
	linux-kbuild@...r.kenrel.org
Subject: Re: [Patch] make installkernel configurable from command line (was
 Re: how to avoid that install.sh goes mad, if I am not root?)

On Mon, Jan 24, 2011 at 12:43:14PM +0100, Mikael Pettersson wrote:
>NAK -- this breaks existing setups which rely on /root/bin/installkernel
>being picked up automatically.
>
>Can you handle 'make INSTALLKERNEL=...' without breaking that please?

Yes, here we go.

--------->

Signed-off-by: WANG Cong <xiyou.wangcong@...il.com>

---
diff --git a/Makefile b/Makefile
index 1f47495..44abded 100644
--- a/Makefile
+++ b/Makefile
@@ -327,7 +327,7 @@ OBJCOPY		= $(CROSS_COMPILE)objcopy
 OBJDUMP		= $(CROSS_COMPILE)objdump
 AWK		= awk
 GENKSYMS	= scripts/genksyms/genksyms
-INSTALLKERNEL  := installkernel
+INSTALLKERNEL  ?= /sbin/installkernel
 DEPMOD		= /sbin/depmod
 KALLSYMS	= scripts/kallsyms
 PERL		= perl
diff --git a/arch/x86/boot/install.sh b/arch/x86/boot/install.sh
index d13ec1c..c8c9a92 100644
--- a/arch/x86/boot/install.sh
+++ b/arch/x86/boot/install.sh
@@ -33,8 +33,8 @@ verify "$3"
 
 # User may have a custom install script
 
-if [ -x ~/bin/${INSTALLKERNEL} ]; then exec ~/bin/${INSTALLKERNEL} "$@"; fi
-if [ -x /sbin/${INSTALLKERNEL} ]; then exec /sbin/${INSTALLKERNEL} "$@"; fi
+if [ -x ~/bin/installkernel ]; then exec ~/bin/installkernel "$@"; fi
+if [ -x "${INSTALLKERNEL}" ]; then exec "${INSTALLKERNEL}" "$@"; fi
 
 # Default install - same as make zlilo
 
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