Hello Naresh, If you don't get a good answer here, consider asking later at r-sig-...@r-project.org.
В Sun, 16 Mar 2025 20:28:49 +0000 Naresh Gurbuxani <naresh_gurbux...@hotmail.com> пишет: > I installed gfortran 14.2 using package available at > https://mac.r-project.org. Then I installed openmp support (17.0.6) > using package available at https://mac.r-project.org/openmp/. These are needed to build source packages for the CRAN build of R using the Apple toolchain. Although if you install the CRAN build of R, it should be possible to install the pre-built packages, including data.table, with OpenMP support. (CRAN builds of R for macOS include their own copy of OpenMP runtime starting with R-4.3.) > ~ $ which gfortran > /usr/local/bin/gfortran > ~ $ gfortran --version > GNU Fortran (GCC) 14.2.0 > ~ $ clang --version > Apple clang version 16.0.0 (clang-1600.0.26.6) > Target: x86_64-apple-darwin24.3.0 > Thread model: posix > InstalledDir: /Library/Developer/CommandLineTools/usr/bin Doesn't the MacPorts build of R use its own toolchain? https://github.com/macports/macports-ports/blob/bc07a46df685778bc33530c2dd09050be07a6a41/math/R/Portfile#L40-L41 Check the output of R CMD config CC (is it /opt/local/bin/clang-mp-18?) and try to find out how to enable OpenMP support for that compiler. Does it need a separate installation of the libomp port? -- Best regards, Ivan ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide https://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
