On Fri, Jun 7, 2019 at 11:09 AM Dirk Eddelbuettel <e...@debian.org> wrote:
> > On 7 June 2019 at 10:13, Tim Keitt wrote: > | I bumped a package to CXX14/17 and it failed on Travis/Appveyor while > | checking fine locally. I assume I need to request different compilers or > > Correct. > > Working with a seriously outdated base layer of Ubuntu is a key > bug^Hfeature > of Travis. Maddening, really. > > | something like that. Anyone have a quick recipe for that? > > Yes. In fact, two different ways. > > i) If you use the old Travis set up which is more shell-script alike, then > one way is to use a PPA for nighlies/more current gcc or clang > versions. I used to do that some client packages that needed newer > compilers. An older example is still here > > https://github.com/eddelbuettel/cpptoml/blob/master/.travis.yml > > ii) Screw Travis and use the fact that you can now bring your own Docker > container. That is much preferable as you are in _complete_ control of > the test environment. I switched a few packages to this, particularly > when they needed additional libraries which I was building / providing > via a PPA anyway. Two examples: > > https://github.com/eddelbuettel/rquantlib/blob/master/.travis.yml > https://github.com/rcppmlpack/rcppmlpack2/blob/master/.travis.yml > > If you don't need extra libraries then something like this container > have > R, recent toolchain and support for PPAs. I have been meaning to blog > about it with an example: > > https://hub.docker.com/r/rocker/r-apt > > Obviously you can also start from vanilla Rocker's r-base, or any other > Debian container. Again, your control, possibly also your initial > work. > > A scheme I found helpful in a few repos is to create > > docker/ci/Dockerfile -- base layer for CI, used by Travis > docker/run/Dockerfile -- above plus the actual repo code > > where the latter one is a simple container for users of the package. > That's super helpful. Thanks. THK > > Hth, Dirk > > -- > http://dirk.eddelbuettel.com | @eddelbuettel | e...@debian.org > [[alternative HTML version deleted]] ______________________________________________ R-package-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-package-devel
