[R-pkg-devel] R CMD build hanging for some but not all packages

[Rainer M Krug]

> On 11 Feb 2020, at 09:54, Gábor Csárdi <csardi.gabor using gmail.com> wrote:
> 
> On Tue, Feb 11, 2020 at 8:52 AM Rainer M Krug <Rainer using krugs.de> wrote:
>> On 11 Feb 2020, at 09:42, Gábor Csárdi <csardi.gabor using gmail.com> wrote:
>> On Tue, Feb 11, 2020 at 8:38 AM Rainer M Krug <Rainer using krugs.de> wrote:
>> On 10 Feb 2020, at 17:58, Gábor Csárdi <csardi.gabor using gmail.com> wrote:
>> 
>> Maybe you have large, ignored files in the package directory? R first
>> creates a copy of the whole directory and only applies `.Rbuildignore`
>> after that.
>> 
>> THANKS - you solved my question without me having to answer it. As I am using a makefile to build the package, I can easily rename the ignored directories before calling build.
>> 
>> But the question is why are these ignored directories scanned before building the package? They should be ignored anyway?
>> 
>> Rainer
>> 
>> 
>> A makefile is a good idea, but I would rather move the files that are
>> needed to a temporary directory, instead of temporarily renaming
>> unneeded files, because if the makefile fails, then you won't restore
>> them and your project will be in a broken state.
>> 
>> 
>> You are right. Having two targets (prepare build, finalise build) which move the files and put them back afterwards would be the best option (and make the build call both).
>> 
>> Is there a way to have an .onExit() type function in a makefile?
> 
> The on-exit mechanism can fail as well. It is just better not to move
> around the files of the project I think.

True.

Thanks,

Rainer

> 
> Gabor
> 
> [...]

--
Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology, UCT), Dipl. Phys. (Germany)

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