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Re: libtool under msys bug

From: Sam Thursfield
Subject: Re: libtool under msys bug
Date: Fri, 22 Aug 2008 16:38:57 +0100

On Fri, Aug 22, 2008 at 7:10 AM, Ralf Wildenhues <address@hidden> wrote:
> Hi Sam,
> thanks for getting back to us on this.
> * Sam Thursfield wrote on Fri, Aug 22, 2008 at 05:07:41AM CEST:
>> On Thu, Aug 21, 2008 at 9:28 PM, Ralf Wildenhues <address@hidden> wrote:
>> >
>> > Done.  Still, we would like to have a description of how to reproduce
>> > the bug, so we can add a testcase.
>> Hi, sorry about the delay.
> No problem at all of course.
>> It's proving more difficult to reproduce
>> the bug than I anticipated - it occurs as I described during the
>> builds of glib and gtk+, but it's taking a while to work out exactly
>> what's causing the problem, as simple libtool projects don't exhibit
>> the same behaviour. Tomorrow I'll have a go at reducing a glib build
>> down to a testcase, rather than trying to come up with one from
>> nowhere.
> Here's what would probably help us, even if you don't have further time:
> show us how to reproduce the issue: which glib, gtk+ tarball did you use
> and what was your configure command line.  Often, bugs can be narrowed
> down just by looking at a build log, so if you could post that (gzip
> large output, please) or put it up somewhere, that'd be cool, too.
> Of course a testcase ready to apply is even nicer.  ;-)

Going to see what I can do now. One thing I have realised though is
the bug is almost certainly caused by MSYS not Windows - the Windows
PATH is ; seperated, and msys must do some mangling of its internal
path variable before it executes a program to make a windows-style
PATH. This is a tough thing to do as under msys, paths are : seperated
but can also contain a colon, as in c:/foo/bar. Presumably the initial
colon throws off this code so far. I still believe the simplest fix is
patching libtool though, and having an initial : is slightly untidy.

Will get back to you on reproduction and/or a testcase soon.

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