Re: bringing back 'make symlinks'?

[Sam Ravnborg]

On Tue, May 25, 2004 at 08:45:18AM -0700, Dan Kegel wrote:
> In the 2.4 kernel, 'make symlinks' created the symlinks needed
> to use the kernel tree's headers for building a gcc/glibc toolchain.
> 
> In the 2.6 kernel, you can do the same thing with 'include include/asm'.
> Unless you're trying to build arm or cris, or maybe others, in which case 
> you also need
> 'include/asm-$(ARCH)/.arch'.
> 
> That's fine, but it means that a script (like crosstool) or a book (like 
> LFS)
> that's trying to build a gcc/glibc toolchain for both 2.4 and 2.6 ends up
> with a section like
> 
> case "$KERNEL_VERSION.$KERNEL_PATCHLEVEL.x" in
> 2.2.x|2.4.x) make ARCH=$ARCH symlinks    include/linux/version.h
>              ;;
> 2.6.x)       make ARCH=$ARCH include/asm include/linux/version.h
>              case $ARCH in
>              arm*|cris*) make ARCH=$ARCH include/asm-$ARCH/.arch
>                          ;;
>              esac
>              ;;
> *)           abort "Unsupported kernel version 
> $KERNEL_VERSION.$KERNEL_PATCHLEVEL"
> esac

In current 2.6 there exitst a target named: modules_prepare
It does a bit more than what symlinks did in 2.4 - actually prepare for
building external modules.

	Sam
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