Re: [PATCH] kbuild: Do not unnecessarily regenerate modules.builtin

[Stephen Rothwell]

Hi Michal,

On Mon,  8 Mar 2010 12:20:22 +0100 Michal Marek <mmarek@xxxxxxx> wrote:
>
> Only regenerate it if the configuration has changed. Also, do this after
> the modules build to fix errors with some weird Makefiles that are
> generated during build.

This breaks a "make modules modules_install" type build:

$ rm -rf ../ntest.obj ../lib
$ mkdir ../ntest.obj ../lib
$ echo CONFIG_MODULES=y >../ntest.conf
$ KCONFIG_ALLCONFIG=../ntest.conf make O=../ntest.obj allnoconfig
	.
	.
$ make O=../ntest.obj INSTALL_MOD_PATH=../ -s modules modules_install
cp: cannot stat `/home/sfr/kernels/ntest.obj/modules.builtin': No such file or directory

reverting that patch allows that build to work again.

Unfortunately, this breaks our test system which like to do

	make zImage
	make modules
	make modules_install

The last step fails :-(
-- 
Cheers,
Stephen Rothwell                    sfr@xxxxxxxxxxxxxxxx
http://www.canb.auug.org.au/~sfr/

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