[lttng-dev] statically linking liblttng

[Mathieu Desnoyers]

----- On Jan 29, 2018, at 8:56 AM, pedro pinto <pedro.e.pinto at gmail.com> wrote: 

> Hi there. I would like to instrument a C++ statically linked application using
> the lttng static libraries (i.e. libllttng-ust.a, etc). To try to get this
> working I took the quick start example and changed it to use the following link
> command line:

> gcc -o hello hello.o hello-tp.o -Wl,-Bstatic -llttng-ust -llttng-ust-tracepoint
> -lurcu-bp -lurcu-cds -Wl,-Bdynamic -lrt -ldl -pthread

> This does not return any errors but the resulting trace is empty. I was able to
> get a trace using the liblttng shared object though.

> Is it possible to statically link liblttng ? I am using v2.9.5 of lttng

Static linking of lttng-ust is not supported. For a start, the library constructors are not 
executed in a statically linked library. 

Thanks, 

Mathieu 

> Thanks in advance!

> -pp

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-- 
Mathieu Desnoyers 
EfficiOS Inc. 
http://www.efficios.com 
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