[cmake-developers] Qt Bundle Utilities/Packaging

[Mike McQuaid]

On 20 April 2011 12:18, Mike McQuaid <mike at mikemcquaid.com> wrote:
> On 7 April 2011 18:17, Clinton Stimpson <clinton at elemtech.com> wrote:
>> I think you should *always* write out a qt.conf file.
>> The Qt libraries have hardcoded paths (used if there is no qt.conf file) and if
>> the target machine has a Qt installation at the same location as the build
>> machine, it could get the target machines plugins instead.  These plugins are
>> tied to a specific version and configuration of Qt, so they cannot be mixed.  On
>> Mac, the problem of a missing qt.conf is immediate on the build machine.
>
> In my experience this isn't needed on Mac and can/should instead be
> set by calling QApplication::setLibraryPaths or embedding qt.conf as a
> resource on Windows or Linux. I think on both of those platforms it's
> fairly unpleasant to just have a plain-text qt.conf file sitting in
> your binary directory.
>
>> I think we should add QT_LIBRARY_DIR to fixup_bundle()'s dirs all the time.
>
> This isn't always necessary and is hard to get at install time. My
> solution still allows this to be done optionally if it can't be found.
>
>> Have you thought about letting the user supply a list of their own plugins and
>> having the function add the default Qt plugins to that list (or a set of
>> plugins based on the QT_USE_* variables)?
>
> I'd rather install only the minimal amount of plugins rather than
> automatically install them all. Most applications using e.g. QtSQL
> will only use a single plugin, not multiple.
>
>> Also, one frequent complaint with using these functions is the user having to
>> do
>> install(CODE ".... ") and worry about escaping quotes and dollar signs.
>> Do you think this would be a good time to address that?
>
> Have added a "install_qt4_app" which should deal with this.
>
> Patch attached for something actually tested and working for two
> internal projects.
>
> --
> Mike McQuaid
> http://mikemcquaid.com
>



-- 
Mike McQuaid
http://mikemcquaid.com