[lttng-dev] Odd dependency for lttng-ust

Thibault, Daniel Daniel.Thibault at drdc-rddc.gc.ca
Mon Jan 21 10:24:26 EST 2013


-----Message d'origine-----
Quoting the lttng-tools README file:
"    - liburcu
      Userspace RCU library, by Mathieu Desnoyers and Paul E. McKenney
      -> Tested with liburcu >= v0.7.2"

Therefore you need to install Userspace RCU 0.7.2 or later.
A dependency is not only on a package, but also on a range of versions.

Mathieu
-----Fin du message d'origine-----

   But shouldn't the userspace RCU library be installed by the userspace-rcu package?  That's the gist of my puzzlement.  By the time I get to lttng-ust's configure, I've installed lttng-modules and userspace-rcu.  Doing an install of git.lttng.org's userspace-rcu should be equivalent to installing the liburcu-dev package from repository, no?

Daniel U. Thibault
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