[cmake-developers] [CMake 0012280]: FindSWIG won't find swig 1.3

[Alan W. Irwin]

On 2011-06-15 16:19-0400 Mantis Bug Tracker wrote:

>
> The following issue has been SUBMITTED.
> ======================================================================
> http://public.kitware.com/Bug/view.php?id=12280
> ======================================================================
> Reported By:                Julien Malik
> Assigned To:
> ======================================================================
> Project:                    CMake
> Issue ID:                   12280
> Category:                   CMake
> Reproducibility:            always
> Severity:                   minor
> Priority:                   normal
> Status:                     new
> ======================================================================
> Date Submitted:             2011-06-15 16:19 EDT
> Last Modified:              2011-06-15 16:19 EDT
> ======================================================================
> Summary:                    FindSWIG won't find swig 1.3
> Description:
> I have swig 1.3 installed, but not 2.0
> CMake won't find swig automatically.
>
> If I install 2.0, swig is found correctly.
>
> The attached patch fixes it.
> Seems like find_program is not called with conventions from the documentation.
>
>
> Steps to Reproduce:
> project(TestFindSWIG)
> cmake_minimum_required(VERSION 2.8)
> find_package(SWIG)

Brad has accepted this patch and closed the bug.  However, I am
interested because PLplot uses swig-1.3 with no user reports of
problems (has done for years).  I personally have never seen swig
finding problems for Linux and also a MinGW/MSYS/wine platform.
Furthermore, I cannot reproduce the bug even with the simple test
example above for my platform (Debian stable with CMake-2.8.4 that I
built myself, and swig version 1.3.40-3).

On the other hand, the patch does look correct to me.  So, Brad, how
in the world does find_package(SWIG) work at all for both my Linux and
wine platforms?  Or to put it another way, for what platforms (with
swig-1.3) will this bug be triggered (until the fix goes into a
release)?

Alan
__________________________
Alan W. Irwin

Astronomical research affiliation with Department of Physics and Astronomy,
University of Victoria (astrowww.phys.uvic.ca).

Programming affiliations with the FreeEOS equation-of-state implementation
for stellar interiors (freeeos.sf.net); PLplot scientific plotting software
package (plplot.org); the libLASi project (unifont.org/lasi); the Loads of
Linux Links project (loll.sf.net); and the Linux Brochure Project
(lbproject.sf.net).
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Linux-powered Science
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