Re: git diff looping?

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The Solaris 10 server here isn't set up to build git.  git/Makefile
isn't compatible with /usr/ccs/bin/make. Is it desired to have a
Makefile that's portable to the Sun tools?

I was going to test Jeff's patch, but I probably won't install GNU
make on this machine unless I find I more compelling need to build git
on Solaris.

If it would help folks out, I'd be willing to try to create a Makefile
patch that works with the Sun tools, but I don't currently have a
Linux machine that I can easily use to verify compatibility.


On Tue, Jun 16, 2009 at 9:51 AM, Junio C Hamano<gitster@xxxxxxxxx> wrote:
> Jeff King <peff@xxxxxxxx> writes:
>
>> I can reproduce the problem on Solaris 8 using git v1.6.3. It seems to
>> be caused by a horribly slow system regex implementation; it really
>> chokes on the regex we use to find the "funcname" line for java files.
>
> Hmm.  Is running under LC_ALL=C LANG=C _with_ the slow system regex help?
>
>> I tried building against the code in compat/regex; it completes in a
>> reasonable amount of time, though it is still noticeably slow. With
>> system regex, the diff given above doesn't complete in less than 90
>> seconds (at which I get bored and kill it). With compat/regex, it
>> completes in about 2.2 seconds. Disabling the xfuncname, it completes in
>> 0.14 seconds.
>
> In this particular case it is clear that a good way to fix the problem is
> to replace Solaris's dumb regex implemention with what comes in compat/,
> but I at the same time have to wonder if that funcname pattern for java
> can somehow be simplified, so that it does not to require so sophisticated
> implementation of regexp?
>
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