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Re: Threading issue in cygwin python 2.5.1-2 ?
- From: Corinna Vinschen <corinna-cygwin at cygwin dot com>
- To: cygwin at cygwin dot com
- Date: Thu, 14 Feb 2008 10:28:33 +0100
- Subject: Re: Threading issue in cygwin python 2.5.1-2 ?
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- Reply-to: cygwin at cygwin dot com
On Feb 13 09:35, Jim Kleckner wrote:
> What is the best way to proceed with this?
> It appears to have been a change since 1.5.18 if Jason's guess
> is correct.
> I can build a debug version of Python if that is useful.
> I can build a debug version of cygwin if that is useful although
> previous list comments suggest that it requires some deep
> knowledge to do/use properly.
Building cygwin from CVS requires gcc, a spare build directory (don't
build in the source dir), and the deep knowledge how to get rid of the
optimizer flag when building. It boils down to
$ cvs co winsup
$ mkdir ../build
$ cd ../build
$ make CFLAGS=-g CFLAGS_FOR_TARGET=-g
Stop all Cygwin processes
Replace /bin/cygwin1.dll with new-cygwin1.dll from your build dir.
Copy cygwin1.dbg from the build dir to /bin.
What would be helpful is a simple testcase in plain C which does not
require an interpreter (python) to run. The less environment, the less
code you need to reproduce a problem, the simpler to debug.
> As an off-topic side note, it sure would be nice to be
> able to use valgrind just once on cygwin!
Easy. Just ask the valgrind guys to stop relying on non-portable Linux
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
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