compilation uses -fopenmp flag unavailable on macOS
schifferl opened this issue · 2 comments
Without installing clang4 R Binaries from https://github.com/coatless/r-macos-clang compilation on macOS will fail because -fopenmp flag is unavailable. This issue does not likely affect most users but is relevant to developers who must compile the package from source. It would be nice if the flag could be removed from compile.sh at line 5.
It is not necessary to use compile.sh to build the package. I just use it to do quick checks when developing the C code, or to set some flags (e.g. for valgrind) when debugging. You can build the pkg from scratch with R CMD build as usual. On Mac w/o clang4 you won't get multicore support but it will work.
Or, if you do a pull, you can use ./build.sh. This will generate docs, R CMD build and R CMD check with custom options you provide at the command line (e.g. --as-cran)