[R-pkg-devel] Strange error from CRAN on package submission

Uwe suggested you suggest flexmix, but I see below you already tried that.

I'd like to take a look, but I can't find your package.? The existing 
version on CRAN gives the URL as http://oompa.r-forge.r-project.org/, 
but I can't see it mentioned there.

Duncan Murdoch

On 11/11/2020 8:44 a.m., Kevin R. Coombes wrote:

Hi,

I am trying to figure out how to fix warnings from two of the CRAN
machines on the submission of an update to a package. The only change to
my package was to add a "show" method to one of the S4 classes, which
was requested by a reviewer of the paper we submitted. The inability to
get this updated package into CRAN? is the only thing holding up the
revision (and probable acceptance) of the manuscript.

The same "warnings"s were found in the previous version. The package is
called Mercator, and the CRAN check results from the? last version are 
here:
? ? https://cran.r-project.org/web/checks/check_results_Mercator.html

I get warnings from the two fedora machine instances (clang and gcc).
They both report

Check: whether package can be? installed.
Result: WARN
?? ?? Found the following significant? warnings:
?? ?? Warning: namespace ?flexmix? is? not available and has been 
replaced

? >
? > Check: data for non-ASCII characters

Result: WARN
?? ??? Warning: namespace 'flexmix'? is not available and has been 
replaced
?? ??? by .GlobalEnv when processing? object '<unknown>'

The relationships in the DESCRIPTION files are:

1. Mercator depends on Thresher
2. Thresher imports moVMF
3. moMVF suggests flexmix

On my Windows machine, the package builds and installs with no errors or
warnings even if flexmix is not available (which I believe to be the
correct behavior). On R-Forge, both the Windows and LINUX versions build
and install with no errors or warnings. On R-Hub, tested on multiple
LINUX versions, the package builds and installs with no errors or 
warnings.

And flexmix is still clearly available from CRAN:
? ? https://cran.r-project.org/web/packages/flexmix/index.html

In the latest attempt to get things to work, I added
? ? Suggests: flexmix
into the DESCRIPTION file for Mercator, but this didn't help fix the
problem on CRAN.

Is there anything I can do to fix this problem (other than moan here on
this list and hope that CRAN can just install flexmix on those machines)?

Thanks in advance for your help,
? ? Kevin

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