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List:       kde-core-devel
Subject:    Re: CMake kauth_install_* with system kauth and user CMAKE_INSTALL_PREFIX
From:       Harald Sitter <sitter () kde ! org>
Date:       2020-10-19 9:27:29
Message-ID: 23182fe0-2aca-5203-141a-45ecd1ab8693 () kde ! org
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Yo

On 18.10.20 10:11, Milian Wolff wrote:
> Hey all,
> 
> since some time now I'm only compiling parts of KF5 selectively into a custom 
> prefix. Most notably, I'm only interested in ktexteditor and syntax-
> highlighting, and would like to obtain all other frameworks through my 
> distribution packages.
> 
> Sadly, this doesn't work as easily, as ktexteditor is trying to do this:
> 
> ```
> install(TARGETS kauth_ktexteditor_helper DESTINATION $
> {KAUTH_HELPER_INSTALL_DIR} )
> kauth_install_helper_files(kauth_ktexteditor_helper 
> org.kde.ktexteditor.katetextbuffer root)
> kauth_install_actions(org.kde.ktexteditor.katetextbuffer buffer/
> org.kde.ktexteditor.katetextbuffer.actions)
> ```
> 
> Because my KAuth is a system-provided installation, and KTextEditor should be 
> installed into a user-writable prefix, I get this error on `ninja install`:
> 
> ```
> CMake Error at src/cmake_install.cmake:143 (file):
> file INSTALL cannot copy file
> "/home/milian/projects/kf5/build/frameworks/ktexteditor/src/
> org.kde.ktexteditor.katetextbuffer.policy"
> to "/usr/share/polkit-1/actions/org.kde.ktexteditor.katetextbuffer.policy":
> Permission denied.
> Call Stack (most recent call first):
> cmake_install.cmake:77 (include)
> ```
> 
> I can workaround this by either commenting out the kauth install bits in 
> ktexteditor or by installing kauth seperately too. But both are in my opinion 
> not ideal.
> 
> I don't think it's currently possible to overwrite the KAuth install directory 
> at cmake configure time. I would like to change that, unless there is 
> something I'm missing which would prevent this? I am hoping that any folder 
> works as long as it's listed in the `XDG_DATA_DIRS` env var - can someone 
> confirm this?

Alas, the path is hardcoded at buildtime from what I see:
https://gitlab.freedesktop.org/polkit/polkit/-/blob/master/src/polkitbackend/polkitbackendinteractiveauthority.c#L302


Relevant: https://bugs.kde.org/show_bug.cgi?id=425272

HS


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