Compilation requires Makevars

[hadley]

PKG_CPPFLAGS=-DSTRICT_R_HEADERS

Otherwise R's realloc macro conflicts with the Realloc function in rapidjson

[SymbolixAU]

Is that required for this package, or packages which depend on this?

For example, in my geojsonsf (dev only atm) I've specified the // [[Rcpp::depends(rapidjsonr)]] to appear before the call to #include <Rcpp.h> to get around the issue.

Whereas if I use your suggestion in the Makevars file there's no requirement for my solution.

[hadley]

I think it's required for all packages that depend on it. I couldn't get my package to compile without it.