I found three such calls in a quick search. The first is here:
https://github.com/gdkrmr/coRanking/blob/3656bc0cd3032a650be8c8783414a1e62e419437/R/coranking_internals.R#L20
Duncan Murdoch
On 20/03/2023 12:43 p.m., Duncan Murdoch wrote:
It appears that you have some uses of .Call() where you are passing a
character variable as the first argument, instead of registering the
entry point and passing the variable containing the registration
information.
From your second link, it looks like Rcpp has some special way to
handle entry point registration. I'm not familiar with that, I use the
basic way described in Writing R Extensions, section 5.4 "Registering
native routines".
Duncan Murdoch
On 20/03/2023 11:36 a.m., Guido Kraemer wrote:
I am the maintainer of coRanking and got a message about an error, the
error can be found here [1]. I can reproduce the error on my own machine
with the latest R-devel but don't quite understand what the error means
and how I can fix it. A search leads to an issue in Rcpp [2] where the
characters in .Call are replaced by symbols (apostrophe to backtick).
When I do this, I get an error when building the vignette:
> NULL value passed as symbol address
What am I doing wrong and how do I fix the error?
Best
Guido
[1]
https://www.r-project.org/nosvn/R.check/r-devel-linux-x86_64-debian-gcc/coRanking-00check.html
[2] https://github.com/RcppCore/Rcpp/issues/1255
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