[RFC] broken installkernel.sh with CROSS_COMPILE

[Dave Hansen]

I noticed that my cross-compilation 'make install' broke with 2.6.13 (I
don't use it horribly often).  It's from this commit:

http://www.kernel.org/git/gitweb.cgi?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0f8e2d62fa04441cd12c08ce521e84e5bd3f8a46

Which added CROSS_COMPILE to each arch's install.sh:

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

However, I don't just have a simple arch name as my CROSS_COMPILE, I
have a whole path, so that line expands like this for me:

+ '[' -x /home/dave/bin//home/services/cross_compile/ppc64/bin/ppc64-linux-gnu-installkernel ']'

Needless to say, that doesn't work :)

Could we do something that's guaranteed to not have lots of extra path
elements in it, like ARCH?  Something like this?

That way, people like me who have a single installkernel script that
does all of the fancy arch-detection can just do this:

	for i in `ls linux-2.6.git/arch/`; do 
		ln -s ~/bin/installkernel ~/bin/$i-installkernel
	fi

And be done with it forever.

--- linux-2.6/arch/ppc64/boot/install.sh.orig	2005-09-02 13:34:16.000000000 -0700
+++ linux-2.6/arch/ppc64/boot/install.sh	2005-09-02 13:34:52.000000000 -0700
@@ -22,6 +22,7 @@
 
 # User may have a custom install script
 
+if [ -x ~/bin/${ARCH}-installkernel ]; then exec ~/bin/${ARCH}-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
 


-- Dave

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