[R-pkg-devel] Examples taking too long depend on object that takes a while to generate

[Duncan Murdoch]

On 14/09/2022 12:43 p.m., Ivan Krylov wrote:
> On Wed, 14 Sep 2022 12:31:49 -0400
> Duncan Murdoch <murdoch.duncan using gmail.com> wrote:
> 
>> It's also possible to put .R files in the data directory, and they
>> are executed to create the data object.  I think that happens at the
>> time when you call data() rather than at install time, so it might
>> not be helpful.
> 
> Some time ago I was hoping to compress a package of mine by generating a
> dataset during a data() call instead loading it from an .rda file, but
> it turned out that the .R file is executed during R CMD build:
> https://github.com/r-devel/r-svn/blob/03df313ad37456c6a62158328d4e373408ce4d59/src/library/tools/R/build.R#L794
> 

Thanks for that info.  That's not good for John, because the 
architecture isn't known at build time.

Duncan Murdoch