[R-SIG-Mac] Compiling a library with Rcpp causing many 'unknown type'/'no member named' errors

[Brian Peng]

Hi All,

I am having issues with building my package that uses Rcpp in it. Using 'install' I end up with a ton of compilation errors originating from Cpp include files. There are more details on this Stack Overflow post (https://stackoverflow.com/questions/77491429/compiling-a-library-with-rcpp-causing-many-unknown-type-no-member-named-erro) including the output errors.

A user there suggested that I may be unable to use anaconda, which I am currently using, as a compiler and should switch to gfortran. However, I we were both unsure of how to direct R to use gfortran instead of anaconda, so he directed me to post to this mailing list. Could the compiler be the issue and if so, how do I switch to gfortran? Is there anything else that might be wrong?

Thanks,
Brian

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