Bug#658739: Patch from Ubuntu

[Andreas Metzler]

On 2012-11-16 Martijn van Brummelen <martijn at brumit.nl> wrote:
[...]
> How about contacting upstream? I can try
> that, or perhaps you already had contact with Werner Koch?

Hello Martijn,

I have hasked Werner about it.
http://permalink.gmane.org/gmane.comp.encryption.gpg.libgcrypt.devel/2623

Werner said this about the patch:
| Okay, if that works, fine.  It might break other things; I don't know.
| There are enough selftests to hopefully detect such a break (in
| particular in FIPS mode).

The issue should be solved in 1.6:
| Although we can't solve all the problems we will be able to solve the
| thread initialization problem.  Libgcrypt 1.6 will ignore the thread
| callbacks and assume pthread.  Semaphores are then used for locking
| and provide a way to do thread-safe initialization.  The hopefully minor
| drawback is that one needs to link against librt.

> I tried the 1.5.0-beta1 but that did not solve the problem.

I think 1.5.0-beta1 << 1.5.0.

cu andreas
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