[Qgis-developer] QCA lib dependency for master

[Sandro Santilli]

Larry, I noticed that the ssl plugin is mandatory if you enable
tests. While I do understand that tests exist for using the SSL
plugin, should that be a recommended but not mandatory dependency ?

I hadn't tried disabling QCA completely, but it should be checked
if it still allows enabling tests.

--strk;

On Fri, Sep 25, 2015 at 04:24:08PM -0600, Larry Shaffer wrote:
> Hi,
> 
> With PR #2330 merged, there is now a dependency upon the Qt Cryptographic
> Architecture (QCA) library and one of its plugins [0] for master builds.
> 
> See first two posts of the old PR #1838 for information on getting QCA
> installed for your system [1]. I will update INSTALL tonight or tomorrow.
> 
> QCA is GPL2-licensed tool now part of the KDE project [2]. Its usage in
> QGIS has a run-time dependency upon QCA's OpenSSL plugin (qca-ossl), which
> keeps QGIS from directly linking to OpenSSL, thereby avoiding any annoying
> export restrictions. You can install other QCA plugins, but qca-ossl is
> prioritized over any others in QGIS startup code. If the plugin is missing
> the new authentication system will gracefully disable itself (let me know
> if it does not).
> 
> Latest QCA version is 2.1.0 (and recommended), which builds on all major
> platforms using CMake and includes all available plugins in the build
> process. However, the code has been tested against version 2.0.3 (package
> on Ubuntu 12.04), which requires separate building of plugins.
> 
> The Travic CI builds already have the necessary bits added for QCA in their
> setup scripts.
> 
> https://github.com/qgis/QGIS/pull/2330
> [0] http://delta.affinix.com/qca/
> [1] https://github.com/qgis/QGIS/pull/1838
> [2] https://projects.kde.org/projects/kdesupport/qca/repository
> 
> Regards,
> 
> Larry Shaffer
> Dakota Cartography
> Black Hills, South Dakota

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