[lttng-dev] [PATCH] Fix linker library order

[Mathieu Desnoyers]

* Mathieu Desnoyers (mathieu.desnoyers at efficios.com) wrote:
> * Alexandre Montplaisir (alexmonthy at voxpopuli.im) wrote:
> > On 13-05-14 01:38 PM, Simon Marchi wrote:
> > > [...]
> > >
> > > If you read carefully the log sent by Alexandre, you see that it is
> > > when building the shared libs in this directory
> > > (lttng-ust-provider-ust-tests-demo.so) that the build fails. I don't
> > > know why it fails, but Alexandre hinted that passing "-fPIE -pie" to
> > > build a shared library is weird (it is usually -fPIC -pic). I am not
> > > sure where that comes from. This behaviour only happens when building
> > > the package, not when building manually.
> > 
> > We build the daily packages with all Debian security options (this is
> > kind of a future-proofing to find problems like this one, I don't think
> > the "real" Debian packages use it).
> > 
> > See
> > http://wiki.debian.org/Hardening#DEB_BUILD_HARDENING_PIE_.28gcc.2Fg.2B-.2B-_-fPIE_-pie.29
> > 
> > So far it handled the autotools-powered Makefiles correctly (libraries
> > are built with -fPIC, binaries with -fPIE), but it seems to cause
> > problems with hand-written Makefiles like the one in doc/examples/demo.
> > 
> > We could fix it with a package-specific patch, either by using autotools
> > to build this directory, or maybe not building it at all, since it's
> > just an example that we don't install...
> 
> has this been fixed by the recent revert ?

ok, I read the rest of my mailbox. Let's discuss this tomorrow when my
head is straightened up.

Thanks,

Mathieu

> 
> > 
> > 
> > Thanks all,
> > Alex
> 
> -- 
> Mathieu Desnoyers
> EfficiOS Inc.
> http://www.efficios.com
> 
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-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com