[CMake] find_package_version_check

[Andreas Schneider]

On Thursday 13 August 2009 10:55:30 Eric Noulard wrote:
> 2009/8/13 Andreas Schneider <mail at cynapses.org>:
> > Hi,
> >
> > I had to add a version check to on of my find modules in KDE. So I
> > started and asked myself why do I have to right so much code to get a
> > version check. This should be done by CMake and not by me.
> >
> > So I've created a function find_package_version_check() you can use. All
> > you have to do is to set the version number.
> >
> > Example:
> > find_package(LibSSH 0.3.2 EXACT)
> >
> > # check for the version and set it
> > set(LibSSH_VERSION 0.4.0)
> > find_package_version_check(LibSSH DEFAULT_MSG)
> >
> > Error:
> >  The installed LibSSH version 0.4.0 is too new, version 0.3.2 is
> > required.
> >
> > Comments and improvements are very welcome :)
>
> Two comments:
>
> 1)  You seems to forget to attach you CMake macro/function file for
> "find_package_version_check"?

Sorry, you can find it here:

http://www.cynapses.org/tmp/patches/kde/FindPackageVersionCheck.cmake

>
> 2)  Why is the existing find_package(LibSSH <version> EXACT) not
> sufficient for you?

Well that's what this function supports. You have to write the code to do the 
version check or use my function.

Example: http://www.cynapses.org/tmp/patches/kde/FindLibSSH.cmake


	-- andreas
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