[ltt-dev] UST communication library

[David Goulet]

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On 11-06-15 11:01 AM, Yannick Brosseau wrote:
>>>> 1) Keep libustcomm in UST and linking it in lttng-tools. Cons : direct
>>>> dependency! ... not good
>>> 1b) Have an *optional* dependency on UST. At configure time, lttng-tools could
>>> check if libust is present, if so compile it with UST support. If not, only
>>> compile with kernel support. ("Warning, libust not found, UST support will not
>>> be available", something like that)
>> This is problematic for packaging...
> No, this is not problematic. When we create a package, we just have to
> build-depend on UST. That way, people who wants to build it by hand
> without UST, don't need to install UST.
> Also, for distro like gentoo, you can build your package with UST support.
> 

Enlighten me Yannick :)

# apt-get install lttng-tools

How are you going to have the UST support without installing the UST package
(assuming that libustcomm is inside ust) ?

I figure you'll have a "Not found libust.so..." at execution time ?

David

> Yannick
> 
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