[R-pkg-devel] The correct way to put additional DLLs on windows?

[Jeff Newmiller]

A) You cannot assume the package code will have write access to the library directories. The user/admin who installs the package may never load the package.

B) Downloading binary files for execution without the direct involvement of the user/admin is a security risk.

C) Open-source package license means the source code is part of the package. Downloading binaries later fails this requirement.

On July 1, 2019 10:03:07 PM PDT, Jialin Ma <marlin- using gmx.cn> wrote:
>Hi everyone,
>
>Currently my package has a script downloading additional DLLs
>into "inst/libs" and being called in "Makevars.win". In this way these
>DLLs get copied to libs when installing the package and I am able to
>load them with "library.dynam".
>
>However R CMD check gives the following warning.
>
>  * checking package subdirectories ... WARNING
> Found the following non-empty subdirectories of 'inst' also used by R:
>    inst/libs
> It is recommended not to interfere with package subdirectories used by
>  R.
>
>I was wondering what would be the best practice for my case, or I am
>safe
>to ignore this warning (suppose I am planing for a CRAN submission).
>
>I know many packages will download static library and link them at
>compile
>time. But I haven't see any example with additional DLL files.
>
>Thanks.
>Jialin Ma
>
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-- 
Sent from my phone. Please excuse my brevity.