[R-pkg-devel] Rcpp: cannot find R_ext/Callbacks.h under winbuilders R-devel

[Matthias Gondan]

All right, then I won’t interfere.

> Am 04.12.2025 um 17:19 schrieb Tim Taylor <tim.taylor using hiddenelephants.co.uk>:
> 
> This is due to recent changes in R-devel that effect Rcpp. It seems Iñaki/Dirk have it in hand over there (https://github.com/RcppCore/Rcpp/pull/1418)
> 
> Tim
> 
>> On Thu, 4 Dec 2025, at 4:07 PM, matthias-gondan using gmx.de wrote:
>> Dear package developers and affiliated people,
>> 
>> 
>> 
>> I just noted a problem with an Rcpp-based package (cannot find
>> R_ext/Callbacks.h):
>> 
>> 
>> 
>> https://win-builder.r-project.org/S0C6dP4J5NLU/00install.out
>> 
>> 
>> 
>> I admit that I don't know if it is a problem in Rcpp, R-devel or in the Rcpp
>> example from RStudio.
>> 
>> 
>> 
>> To reproduce in RStudio, just
>> 
>> 
>> 
>> 1.    create a new Rcpp sample,
>> 2.    change the email in DESCRIPTION into something meaningful (I forgot
>> that part when I tried it first)
>> 3.    submit to r-devel (!) on CRAN's winbuilder
>> 
>> 
>> 
>> I appreciate any guidance on this (since my own package shows the same
>> error).
>> 
>> 
>> 
>> Best wishes,
>> 
>> 
>> 
>> Matthias
>> 
>> 
>>    [[alternative HTML version deleted]]
>> 
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