Hi!
On So 26-11-05 06:25:30, Rob Landley wrote:
> On Friday 25 November 2005 20:34, Kyle Moffett wrote:
> > I got interested so I started writing a Perl-based replacement that
> > actually reads the source config into program memory and writes
> > copies out of that RAM each time.
>
> I did several variants before settling on the one I submitted as "least sucky
> for right now". (Starting from zero and adding lines did not work at _all_,
> and trying to produce consecutively smaller diffs isn't a winner either.
> Anything fancy based on diff runs into the fact that dependencies can enable
> stuff _earlier_ in the file, and it's almost impossible to parse. Besides,
> diff is noticeably faster when there are few changes, so this was the best
> performer of the lot too...)
>
> And I try to avoid perl dependencies in the linux build process. When you do
> cross-compiles that make a minimal toolchain (ala the Linux From Scratch
> "/tools" directory) and then chroot into it to create the new system, having
> to add perl to the mess is a disproprotionate hassle.
I'd say "don't worry about that, yet".
> Also, zappable lines tend to clump, so if it gets 2 zappable lines in a row it
> could speculatively try zapping 2 at a time to see if it makes faster
> progress. (The down side is the extra allnoconfig runs for backing up and
> iterating through on failures to see _which_ ones made a difference. That's
> not low-hanging fruit, may not be edible at all...)
Can't you just filter out all the comments beforehand?
Pavel
--
Thanks, Sharp!
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