Tracing where build time is spent

[Stephan Bergmann]

On 17/02/2020 15:15, Michael Stahl wrote:
> On 16.02.20 15:33, Luboš Luňák wrote:
>> - Unittests in dbgutil take as much as half the time it takes to 
>> compile .cxx
>> sources (not counting externals not built by gbuild). It could make 
>> sense to
>> revisit using -O1/-Og, at least for Jenkins builds. Also, now that we 
>> do have
> 
> jenkins would very likely benefit from -Og with few if any downside.

Optimization is already orthogonal to the generation of debug 
information in the build system, so enabling it for Jenkins builds 
should just be a matter of adding --enable-optimized to the appropriate 
files in distro-configs/Jenkins/.