[Buildroot] [PATCH] linux custom tarball: automatically detect a change in tarball configuration

[Daniel Nyström]

On Thu, Sep 22, 2011 at 9:58 PM, Thomas Petazzoni
<thomas.petazzoni at free-electrons.com> wrote:
> Le Wed, 21 Sep 2011 10:55:54 +0200,
> Thomas De Schampheleire <patrickdepinguin+buildroot at gmail.com> a écrit :
>
>> When you specify a LINUX_TARBALL, the variable LINUX_VERSION will be set to
>> the fixed "custom". As a result, LINUX_DIR remains the same even though you
>> modified the .config file to specify a different tarball.  When re-running
>> make, buildroot does not see the change because the stamp files still look
>> up-to-date, and you'll have to force building the new kernel in some way.
>>
>> This patch overwrites LINUX_VERSION to include the LINUX_TARBALL string, If a
>> new custom tarball is configured, LINUX_DIR will be different, the old stamp
>> files will not matter, and buildroot will correctly start the build process for
>> the new kernel.
>
> Sorry, but LINUX_TARBALL can be something like
> http://foobar.com/blah/blek/linux-3.11.0.tar.bz2, and I don't think
> it's a good idea to create a directory named
> linux-custom-http://foobar.com/blah/blek/linux-3.11.0.tar.bz2

$ echo "http://foobar.com/blah/blek/linux-3.11.0.tar.bz2" | sed -e
's|^[a-z]*://||;s|[/]|_|g'
foobar.com_blah_blek_linux-3.11.0.tar.bz2

How would "output/build/linux-foobar.com_blah_blek_linux-3.11.0.tar.bz2/" work?