Re: [Plplot-devel] comprehensive testing results on Cygwin

[Arjen M. <Arj...@de...>]

Hi Alan,



In the attachment you'll find the results for the complete set of tests on Cygwin. It is looking quite good now.



Regards,



Arjen



> -----Original Message-----
> From: Alan W. Irwin [mailto:ir...@be...]
> Sent: Monday, March 14, 2016 10:58 PM
> To: Arjen Markus
> Cc: PLplot development list
> Subject: comprehensive testing results on Cygwin
>
> On 2016-03-14 08:51-0000 Arjen Markus wrote:
>
> > I attach the tarball for Cygwin 64 bits - the test was unsuccessful, as pltcl crashed
> running example x00. The strange thing is: I can run it manually without any
> problem.
>
> Note it is not actually x00 that fails. If you look carefully at
> shared/noninteractive/output_tree/make_noninteractive.out you will find that the C
> version of x19 appears to work fine (albeit with messages about plmap missing
> functionality because shapelib is not installed ) but the Tcl version of x19 fails due
> to a segfault which virtually guarantees there is a memory management issue either
> in our C or Tcl version of the plmap functionality.  Note memory management
> issues are sometimes silent (i.e., will not produce a segfault in all cases). So Tcl
> example 19 could segfault but not C even if the memory management issue was in
> our core C library and not anything to do with our Tcl binding or examples.
>
> Anyhow, This is a perfect illustration of why we should do comprehensive testing
> during each release cycle for all platforms accessible to us, and my public thanks to
> you for doing that in this Cygwin case.
>
> I am going to follow up by trying some valgrind runs on Linux for example 19
> without shapelib and for both Tcl and C to see if valgrind can spot the fundamental
> memory management issue that is causing the segfault for your particular (Cygwin)
> combination of circumstances.
>


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