[R-pkg-devel] win-builder fails via CRAN, not otherwise

Hi, I submitted a package to CRAN, and it failed the automatic build on win-builder. But it passed when I uploaded it directly to win-builder. Here is the relevant part of each build. First, the build done via the CRAN submission. It fails something to do with character encoding. ``` * using

[R-pkg-devel] Use a small amount of C++-level code from another package without headers in inst/include

There is an R package that defines some handy functions for extracting files from zip archives into a std::string in C++. I'd like to use those functions in my own packages, but I can't simply link to them because the header is not in the inst/include directory of the original package. My question