Jonathan, All,
On Tuesday 10 April 2012 15:57:53 Jonathan Nieder wrote:
> Yann E. MORIN wrote:
> > - it breaks the build for users that tweak the kernel configuration from
> > an upper-layer (aka 'integrated') build-system, using this script which
> > is bundled with the kernel in the first place.
>
> The questions I have are, did using special characters like this work
> before or is support for values with quotes inside just a new feature?
2.6.29 (first that had this script) allows for escaped double-quotes.
The oldest I tested, 2.6.20, also allowed escaped double-quotes.
> Or is there some wrapper around the linux makefile that automatically
> uses values with quotes on them, making it effectively impossible for
> some class of people to run some versions of Linux?
The scenario involves an upper-layer build system that:
- is responsible for settings the kernel options based on global
configuration (eg. the same kernel build for different boards)
and/or options set by users (eg. I want USB camera support)
- uses scripts/config to set/unset options rather than implementing
its own logic
- in this case the version string can be set to include the user's
name, which may contain double-quotes (eg. John "Ripper" Smith)
For projects that decided to go with a stable version as the development
base (and won't update for the foreseeable future), then this is a (minor)
inconvenience (although the fix is easily back-ported).
> I don't expect this patch to cause problems for people, but it is a
> good practice to explain what scenario justifies backporting a patch
> to the stable series, if only because it keeps the volume of patches
> to search through when there is a new bug down.
>From what I understand from Greg's reply, this patch will be dropped from
stable (and I do understand his position and your concerns).
Regards,
Yann E. MORIN.
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