Hello Johannes,
I keep this topic for the list since it is related to purest_json...
Le 18/10/2017 à 12:36, IOhannes m zmoelnig a écrit :
Le 17/10/2017 à 23:03, Thomas Mayer a écrit :
Oops, yes, that is the source of the problem. The package is called libjson-c2.
And in current distributions it is superseded by libjson-c3.
hmm, this is inaccurate, or at least it misses some information.
the package has been renamed not because the maintainers thought it was a fun thing to do, but because newer versions of json-c have broken ABI (so you cannot use an application that was linked against libjson-c2 with the new libjson-c3, simply because the new one is missing some symbols).
this also means that if you have a PuREST JSON linked against the old libjson-c2, it cannot be used with the libjson-c3 package. or vice versa.
On 2017-10-18 12:07, Jack wrote:
Do we need a new version of purest_json on deken ?
well, yes or no. there's no need for a "new version" at all, since there is no need to change PuREST JSON (the source code). you could however recompile purest-json against the new json-c and upload an *alternative* version. this alternative version will not be usable on systems that ship libjson-c2. so if a new upload replaces the old one, you will see the same problem on other machines ("this doesn't necessarily involve "physical replacement"; it's enough to lure people into downloading the new one, e.g. by bumping the version number)
deken is not really meant for such use cases at all.
however, other package management systems do provide means to track ABI changes in libraries. e.g. "apt", the Debian package manager. so if you have the option to use the Debian packages, please use them. all these problems will be gone!
Is there a reason that when I try to do : $ sudo apt install pd-purest-json
apt tries to download : gem gem-doc gem-extra gem-plugin-gmerlin gem-plugin-lqt gem-plugin-magick gem-plugin-v4l2 pd-libdir pd-purest-json puredata puredata-core puredata-doc puredata-extra puredata-gui puredata-utils
I still have installed Pd from source (idem for Gem) ? Thank you for your clarification. ++
Jack
fgamsdr IOhannes
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