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Subjectuse ${CROSS_COMPILE}installkernel in arch/*/boot/install.sh
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Hi,

The attached patch causes the various arch specific install.sh scripts
to look for ${CROSS_COMPILE}installkernel rather than just installkernel
(in both /sbin/ and ~/bin/ where the script already did this). This
allows you to have e.g. arm-linux-installkernel as a handy way to
install on your cross target. It also prevents the script picking up on
the host /sbin/installkernel which causes the script to fall through and
do the install itself (which is what I actually use myself, with
$INSTALL_PATH set).

I don't believe it causes back-compatibility problems since calling the
host installkernel was never likely to work or be what you wanted when
cross compiling anyway. If $CROSS_COMPILE isn't set then nothing
changes.

I only use ARM and i386 myself but I figured it couldn't hurt to do the
whole lot. I've cc'd those who I hope are the arch maintainers for files
that I've touched.

Signed-off-by: Ian Campbell <icampbell@arcom.com>

Index: 2.6/arch/arm/boot/install.sh
===================================================================
--- 2.6.orig/arch/arm/boot/install.sh 2005-03-24 14:48:23.000000000 +0000
+++ 2.6/arch/arm/boot/install.sh 2005-03-24 15:07:12.000000000 +0000
@@ -21,8 +21,8 @@
#

# 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/${CROSS_COMPILE}installkernel ]; then exec ~/bin/${CROSS_COMPILE}installkernel "$@"; fi
+if [ -x /sbin/${CROSS_COMPILE}installkernel ]; then exec /sbin/${CROSS_COMPILE}installkernel "$@"; fi

if [ "$(basename $2)" = "zImage" ]; then
# Compressed install
Index: 2.6/arch/arm26/boot/install.sh
===================================================================
--- 2.6.orig/arch/arm26/boot/install.sh 2005-03-24 14:48:23.000000000 +0000
+++ 2.6/arch/arm26/boot/install.sh 2005-03-24 15:07:12.000000000 +0000
@@ -23,8 +23,8 @@

# User may have a custom install script

-if [ -x /sbin/installkernel ]; then
- exec /sbin/installkernel "$@"
+if [ -x /sbin/${CROSS_COMPILE}installkernel ]; then
+ exec /sbin/${CROSS_COMPILE}installkernel "$@"
fi

if [ "$2" = "zImage" ]; then
Index: 2.6/arch/i386/boot/install.sh
===================================================================
--- 2.6.orig/arch/i386/boot/install.sh 2005-03-24 14:48:23.000000000 +0000
+++ 2.6/arch/i386/boot/install.sh 2005-03-24 15:07:13.000000000 +0000
@@ -21,8 +21,8 @@

# 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/${CROSS_COMPILE}installkernel ]; then exec ~/bin/${CROSS_COMPILE}installkernel "$@"; fi
+if [ -x /sbin/${CROSS_COMPILE}installkernel ]; then exec /sbin/${CROSS_COMPILE}installkernel "$@"; fi

# Default install - same as make zlilo

Index: 2.6/arch/ppc64/boot/install.sh
===================================================================
--- 2.6.orig/arch/ppc64/boot/install.sh 2005-03-24 14:48:23.000000000 +0000
+++ 2.6/arch/ppc64/boot/install.sh 2005-03-24 15:07:13.000000000 +0000
@@ -21,8 +21,8 @@

# 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/${CROSS_COMPILE}installkernel ]; then exec ~/bin/${CROSS_COMPILE}installkernel "$@"; fi
+if [ -x /sbin/${CROSS_COMPILE}installkernel ]; then exec /sbin/${CROSS_COMPILE}installkernel "$@"; fi

# Default install

Index: 2.6/arch/s390/boot/install.sh
===================================================================
--- 2.6.orig/arch/s390/boot/install.sh 2005-03-24 14:48:24.000000000 +0000
+++ 2.6/arch/s390/boot/install.sh 2005-03-24 15:07:13.000000000 +0000
@@ -21,8 +21,8 @@

# 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/${CROSS_COMPILE}installkernel ]; then exec ~/bin/${CROSS_COMPILE}installkernel "$@"; fi
+if [ -x /sbin/${CROSS_COMPILE}installkernel ]; then exec /sbin/${CROSS_COMPILE}installkernel "$@"; fi

# Default install - same as make zlilo

Index: 2.6/arch/x86_64/boot/install.sh
===================================================================
--- 2.6.orig/arch/x86_64/boot/install.sh 2005-03-24 14:48:24.000000000 +0000
+++ 2.6/arch/x86_64/boot/install.sh 2005-03-24 15:07:13.000000000 +0000
@@ -21,8 +21,8 @@

# 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/${CROSS_COMPILE}installkernel ]; then exec ~/bin/${CROSS_COMPILE}installkernel "$@"; fi
+if [ -x /sbin/${CROSS_COMPILE}installkernel ]; then exec /sbin/${CROSS_COMPILE}installkernel "$@"; fi

# Default install - same as make zlilo


--
Ian Campbell, Senior Design Engineer
Web: http://www.arcom.com
Arcom, Clifton Road, Direct: +44 (0)1223 403 465
Cambridge CB1 7EA, United Kingdom Phone: +44 (0)1223 411 200

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