2/12/2023 0 Comments Gcc on mac terminalHi Pilar So this is going to be an issue for Mac users from October. Otherwise, please remove -no-environ from the list. Are there any flags with the R call like -vanilla or -no-environ?įor -vanilla, please switch to -no-save -no-restore -no-site-file -no-init-file. Secondly, if you try to compile a script locally using the pre-built CRAN binary for RcppArmadillo, then you will run into: clang: warning: argument unused during compilation: '-fopenmp' fatal error: 'omp. There are three ways to encounter this issue: First, the issue will appear as a warning when you first install RcppArmadillo from source. Installation Instructions One of the primary ways to setup the R toolchain for compiled code on macOS is to individually installing each element yourself. Removing Old Installation Files If you previously used either the clang4, clang6, or the macos-rtools installer, please consider deleting the old components that were installed. Intro The objective behind this post is to provide users with information on how to setup the macOS toolchain for compiling used in the 3.
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