libsignon-plugins is not a dynamic library

Bug #1212705 reported by dobey
This bug affects 1 person
Affects Status Importance Assigned to Milestone
signon (Ubuntu)

Bug Description

In order to write a signon plug-in to provide integration with a new authentication method, one must use the libsignon-plugins library, which provides some interfaces that must be used. However, this library is currently built and installed as a static library only, which means every plug-in that links to it, includes the entire library within the plug-in. This causes an increase in size of of the plug-ins, and requires that they all must be rebuilt, in the event a security issue is discovered and fixed, in the library.

This library needs to be built and packaged as a dynamic library instead.

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dobey (dobey) wrote :

This results in it also being impossible to write tests for a plug-in one is writing, as it seems to result in nasty errors from ld:

/usr/bin/ld: test-signon-plugin: local symbol `_ZN19AuthPluginInterface11qt_metacallEN11QMetaObject4CallEiPPv' in /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib/libsignon-plugins.a(moc_authpluginif.o) is referenced by DSO
/usr/bin/ld: final link failed: Bad value
collect2: error: ld returned 1 exit status

This is happening when attempting to build lp:~dobey/ubuntuone-credentials/signon-tests

I see there are tests in signon-plugin-oauth2 though. I wonder how it is they would be avoiding this problem.

Revision history for this message
Alberto Mardegan (mardy) wrote :
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