Review Request 117016: Allow overriding DrKonqi lookup directories by PATH

[Kevin Ottens]

> On April 12, 2014, 10:48 a.m., Alex Merry wrote:
> > This is my preferred solution, and is hopefully only a temporary one.  However, I know David Faure doesn't like it, and (I assume) would rather have a generic LIBEXEC variable.
> > 
> > My view is that libexec should be used for stuff that's really internal to a piece of software (like a framework), and so a libexec env var shouldn't be necessary (except maybe for relocatability?), but the current situation with drkonqi should hopefully be a temporary one (until 5.1 or something), and so a specific var for unusual situations is reasonable.
> > 
> > However, given that an objection has already been raised by the maintainer, I'm not willing to give it a ship-it without his agreement.
> 
> David Faure wrote:
>     I maintain my objection: while this particular issue might be temporary, the fact that libexec path gets hardcoded into the compiled library makes things impossible to relocate. PATH and LD_LIBRARY_PATH solve this for normal executables and libraries, an equivalent is just missing for libexec.
>     
>     My suggestion then is more precisely: QFile::decodeName(qgetenv("LIBEXEC_PATH")).split(':') and pass that list to QStandardPaths::findExecutable(), which can take a list of paths to check into, as the second argument. Nice and easy. And later we can do the same in all frameworks that look for something in libexec (with a fallback to the builtin path).
>
> 
> Alex Merry wrote:
>     Dan: could you submit another version using David's suggested approach, please?

Dan? Any news?


- Kevin


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On April 9, 2014, 8:47 a.m., Dan Vrátil wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/117016/
> -----------------------------------------------------------
> 
> (Updated April 9, 2014, 8:47 a.m.)
> 
> 
> Review request for KDE Frameworks.
> 
> 
> Repository: kcrash
> 
> 
> Description
> -------
> 
> Since KCrash is a framework that relies on DrKonqi binary being provided by a 3rd party software (kde-runtime), it should not make assumptions regarding location of the utility.
> 
> This patch makes KCrash to look for drkonqi binary first in $PATH, then falling back to CMAKE_INSTALL_PREFIX/LIBEXEC_INSTALL_DIR. With this patch it's possible for distributions to ship KDE Frameworks in normal prefix (/usr), but have current snapshots of kde-runtime in /opt/kde5 for instance.
> 
> 
> Diffs
> -----
> 
>   src/kcrash.cpp 87163cc 
> 
> Diff: https://git.reviewboard.kde.org/r/117016/diff/
> 
> 
> Testing
> -------
> 
> - Installed KCrash into /usr prefix
> - Installed drkonqi from kde-runtime master to /opt/kde5 prefix
> - started broken application
> - no "could not find drkonqi" warning anymore
> - crashed application, got drkonqi window
> 
> 
> Thanks,
> 
> Dan Vrátil
> 
>

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