[R-pkg-devel] doMC dependency
From what you say it sounds as if your package fails on Windows because,
well, it doesn't work on Windows, given that doMC isn't available. Trying to hide that would seem weird. Does CRAN insist that all packages should work on all platforms? On Mon, 15 May 2017 at 19:40, Christopher Lalansingh <
Christopher.Lalansingh at oicr.on.ca> wrote:
Hi everyone,
I'm preparing to release a package which uses doMC for parallelization in
certain functions. I've used require(doMC) to specify this for these
functions, and importFrom("doMC", "registerDoMC") in my NAMESPACE.
I ran all the R CMD --as-cran checks under 3.4.0 and R-devel on Debian 8
sucessfully, but when I submitted to CRAN the package failed when built on
Windows. This is because doMC is not available for Windows. It was
recommended by Uwe Ligges that I move doMC to "Suggests", but since doMC is
required for functions in my package this does not seem to work:
* checking package dependencies ... ERROR
Namespace dependency not required: 'doMC'
Is there a way to keep doMC in 'Suggests' by changing how I attach/load
doMC in my package?
Thanks for your help,
Christopher Lalansingh
Software Engineer
Ontario Institute for Cancer Research
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