[QGIS-Developer] Building QGIS 2.18 on OSX

[Larry Shaffer]

Hi Helton,

A full walkthrough for building master branch using Homebrew is here:
https://github.com/qgis/homebrew-qgisdev/tree/master/development

Main Homebrew tap (formulae repo) is here:
https://github.com/qgis/homebrew-qgisdev/

For QGIS 2.18 and 2.14, you can reference the Homebrew formulae in
OSGeo4Mac tap (qgis2 and qgis2-ltr respectively):
https://github.com/OSGeo/homebrew-osgeo4mac/tree/master/Formula

So, to install 2.18, thereby ensuring all dependencies for building your
own 2.18 from source, do the following:

brew install osgeo/osgeo4mac/qgis2

or, if you only want the dependencies:

brew install osgeo/osgeo4mac/qgis2 --only-dependencies

See also: `man brew` after install Homebrew.

Regards,

Larry Shaffer
Dakota Cartography
Black Hills, South Dakota
----------------------------------
Boundless Desktop and QGIS Support/Development
Boundless Spatial - http://boundlessgeo.com
lshaffer at boundlessgeo.com

On Thu, Jun 1, 2017 at 3:21 AM, David Marteau <dmarteau at 3liz.com> wrote:

> Hi,
>
> You will find some information for building QGIS 2.18 and QGIS master on
> OSX here:
>
> https://www.3liz.com/blog/rldhont/index.php?post/2017/
> 06/01/How-to-build-qgis-on-OSX-with-MacPort
>
>
> Le 31 mai 2017 à 16:49, William Kyngesburye <woklist at kyngchaos.com> a
> écrit :
>
> Well, I build the OS X package.  I recently upgraded to Sierra and it
> messed up my development setup.  I had problems with QGIS also, but didn't
> want to spend time figuring it out (I need to build for older systems, and
> I was way behind on QGIS updates) so I used my other Mac that I kept at
> Yosemite.
>
> - installing Qt4 - I had already installed Qt4 so running the installer
> was not a problem.  But what I have is a standard OS X installer package
> for Qt4, that should not crash anyways.  BUT, it installs a couple
> important items in /usr/lib and /usr/bin, which are protected in Sierra by
> SIP and will fail.  You'd have to hack those bits so they are available
> elsewhere in an unprotected location.  You can use Pacifist to extract
> installer files so you can put them in custom locations.
>
> - compiling Qt4 - I never had much luck with this in the past, even in
> supported OS X versions, but it's long past supported OS X versions and you
> will at least get lots of warnings, if not errors.  Maybe homebrew and the
> like have patches to work around these, but sounds like you still had
> problems.
>
>
> On May 29, 2017, at 9:33 AM, Helton Costa <heltucosta at hotmail.com> wrote:
>
> Hi everybody,
>
> This is my first post here and I hope there's not already a post related
> to this, even thought I searched through the list a little.
>
> I have been trying to build QGIS 2.18 for about 3 weeks following a few
> step by steps I found but none of them gave me success. I'm on OSX 10.12.
> I first followed the official step by step from QGIS, and then, other ones
> using homebrew, but wasn't able to finish the build for the intended
> version.
> I do believe I have a polluted OS and libraries, but I invested around 6
> hours cleaning it and my environments to try it all again, and still, no
> success.
>
> Mainly, I believe my issue is regarding Qt4, which is already deprecated
> and I'm not able to install it properly. I already tried the .dmg from
> official's qt website (which crashes) and some cartr and osgeo formulaes
> from homebrew and still no success.
> Somewhere along the configuration and build process I get errors regarding
> Qt4 or some of their python bindings libraries and even thought I did
> manage to fix some of them, the build was never able to finish.
>
> Do you guys believe it is still possible to build non-master versions of
> QGIS on OSX, and if so, what would be some kind of different approach in
> order to be able to achieve it?
>
> Kind regards,
>
> *Helton Costa*
>
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>
> -----
> William Kyngesburye <kyngchaos*at*kyngchaos*dot*com>
> http://www.kyngchaos.com/
>
> Earth: "Mostly harmless"
>
> - revised entry in the HitchHiker's Guide to the Galaxy
>
>
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