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Re: [PySide] Packaging for guix

From: John Soo
Subject: Re: [PySide] Packaging for guix
Date: Fri, 3 May 2019 16:43:41 +0000

Hi again PySide and Guix maintainers,

Thanks for your help so far. After building Shiboken2, Pyside2 and PySide2-Tools are still required for FreeCAD. In building Pyside2, I get the error in the attached paste. Clang 6.0.1 and LLVM 6.0.1 are installed and I have set the CLANG_INSTALL_DIR and LLVM_INSTALL_DIR vars to their respective paths.  I have also included the package definition in the paste for the Guix maintainers, if they have any input.

There also seem to be some more issues finding various extra QT libraries but I'd like to do one thing at a time.

Thanks again for all your help!

- John

On Sat, Apr 27, 2019 at 3:31 PM John Soo <address@hidden> wrote:
Hi Cristián and Ricardo,

A quick update: Shiboken2 builds! Thanks for your guidance!  I may have more questions when building freecad itself, but this was very helpful. Thanks again!

- John

On Fri, Apr 19, 2019 at 1:06 PM John Soo <address@hidden> wrote:
Hi Cristián,

Thank you! I have been following the cmake path and it seems to be working better than before. If I find more issues, I will ask.  Thanks again!

- John

On Wed, Apr 10, 2019 at 9:47 AM Cristián Maureira-Fredes <address@hidden> wrote:
Hello John,

I'm not familiar with guix, but if the CMake approach doesn't work [1]
and the setuptools also doesn't work [2],
maybe you can share some of the logs related the build errors
so we can see how what's precisely the issue.


From: PySide <address@hidden> on behalf of John Soo <address@hidden>
Sent: Thursday, March 28, 2019 06:21
To: address@hidden
Cc: address@hidden
Subject: [PySide] Packaging for guix

Hello pyside maintainers,

Hope you are all well.  I am looking to package freecad for the guix package manager for which pyside is a dependency. I’m having some trouble packaging pyside as the build and environment for guix (like nix) are quite different from a Debian style system. There a quite a few differences:

 -  the prefix for installation directories is in a unique directory specific to the package
 - cmake and python require many particular environment variables and flags
- library and linking paths are very different and often source shebangs and linking paths need to be patched to point to the correct paths
 - the build process happens in an isolated build environment apart from any system directories
 - probably more that I haven’t come across yet

I’ve tried using the provided python build process but I get several build errors, let alone runtime issues. Would anyone be able to point me in a direction to patch pyside for such a packaging system? Currently I’m stuck building Shiboken. I’d particularly like guidance on how to setup cmake to build it correctly (mostly the ability to provide our particular flags and variables). Any help would be greatly appreciated.

Thank you,

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