[dpdk-dev] [PATCH v6 1/1] ci: Introduce travis builds for github repositories

Luca Boccassi bluca at debian.org
Wed Mar 20 22:11:07 CET 2019


On Wed, 2019-03-20 at 15:28 -0400, Michael Santana Francisco wrote:
> > > +matrix:
> > > +  include:
> > > +  - env: DEF_LIB="static" OPTS="-Denable_kmods=false" AARCH64=1
> > > +    compiler: gcc
> > > +    addons:
> > > +      apt:
> > > +        packages:
> > > +          - [libnuma-dev, linux-headers-$(uname -r), python3-
> > > setuptools, python3-wheel, python3-pip, ninja-build]
> > > +          - [gcc-aarch64-linux-gnu, libc6-dev-arm64-cross]
> > Why packages are repeated here again?
> > (sorry, I don't know Travis and I want to understand)
> Yeah, we don't want to repeat ourselves either but we have no
> choice. 
> This is due to a limitation in travis.
> This matrix does not inherit any packages from the main package list
> way 
> above, which means we have to list them out manually here.
> In addition to the required packages we also want to install full
> builds 
> with libraries like libbsd-dev, libpcap-dev, etc.
> We could of just put those libraries in the main package list above
> and 
> put all the builds in the env: list because then the libraries would
> be 
> inherited.
> The problem with that is that is that travis would not keep minimal 
> builds and full builds separate.
> We could not have minimal builds because the minimal builds will
> also 
> inherit the additional libraries; Meson will then automatically
> detect 
> those additional libraries and builds with them.
> What we would like to have is a way to tell meson which libraries we 
> want to use and which we dont, instead of being auto-detected. This 
> would help us to get rid of this matrix.
> 
> If someone knows a better way to do this we would greatly take in
> your 
> ideas, but so far this is the best we could come up with

It's yaml so you can write the list to a variable once and reference it
multiple times for brevity, see for example:

https://github.com/zeromq/czmq/blob/master/.travis.yml#L128

-- 
Kind regards,
Luca Boccassi


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