Dear all,
I am currently working on a package which involves some simulation where no
current simulation run depends on a previous simulation run.
That is why I decided to parallelize the computation using the doMC package
(which exists only for unix-like OS).
I can create a package without any R CMD check and R CMD build errors on my
computers (Ubuntu Linux 32bit & 64 bit).
The problem that I have is: I would like to make the package
platform-independent. In this case, this should not be difficult. A simple:
if (!(.Platform$OS.type=="unix")) {
....
}
allows me to specify a different execution path on non unix-like operating
systems (i.e. not using doMC-code, resulting in running the code not in
parallel).
I just tried it out and uploaded the source package to
http://win-builder.r-project.org/
Unfortunately, I get the following result:
[...]
* checking package dependencies ... ERROR
Package required but not available: 'doMC'
[...]
I interpret it as such: Even if the package will never be required (for a
particular OS) the build process nevertheless checks whether the packages
exists for the respective platform.
What would you suggest? Create two packages (mypackage vs. mypackageNONUNIX)?
Release only for unix-like systems? ...?
Thank you in advance,
Roland
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