<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">your basic issue is you are enabling by default the gcc5 variant, i.e. you get<div class=""><br class=""></div><div class=""><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class="">pmm:~ pet$ port variants atlas</span><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class="">atlas has the variants:</span><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""> gcc49: build using macports-gcc-4.9</span><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""> * conflicts with gcc5 mpclang37 perf</span><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class="">[+]gcc5: build using macports-gcc-5</span><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""> * conflicts with gcc49 mpclang37 perf</span><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""> mpclang37: use mp-clang-3.7 and gfortran</span><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""> * conflicts with gcc49 gcc5 perf</span><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""> nofortran: Forgo use of fortran compiler</span><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""> universal: Build for multiple architectures</span></div><div class=""><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""><br class=""></span></div><div class=""><font color="#000000" class=""><span style="caret-color: rgb(0, 0, 0);" class="">see the [+] against it above….</span></font></div><div class=""><font color="#000000" class=""><span style="caret-color: rgb(0, 0, 0);" class=""><br class=""></span></font></div><div class=""><font color="#000000" class=""><span style="caret-color: rgb(0, 0, 0);" class="">This is not normal, i.e. I get</span></font></div><div class=""><font color="#000000" class=""><span style="caret-color: rgb(0, 0, 0);" class=""><br class=""></span></font></div><div class=""><div class="">Oberon ~/Projects/MacPorts/ports > port variants atlas</div><div class="">atlas has the variants:</div><div class=""> gcc49: build using macports-gcc-4.9</div><div class=""> * conflicts with gcc5 mpclang37 perf</div><div class=""> gcc5: build using macports-gcc-5</div><div class=""> * conflicts with gcc49 mpclang37 perf</div><div class=""> mpclang37: use mp-clang-3.7 and gfortran</div><div class=""> * conflicts with gcc49 gcc5 perf</div><div class=""> nofortran: Forgo use of fortran compiler</div></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Something specific in *your* setup is causing this, and you need to figure out what it is and remove it.</div><div class=""><br class=""></div><div class="">b.t.w. are your ports up to date ? I also see in your listing the ‘universal’ variant which I do not have. I see at</div><div class=""><br class=""></div><div class=""><a href="https://github.com/macports/macports-ports/commits/36a4990f197af54e31881f5e5a59b880c51116dd/math/atlas/Portfile" class="">https://github.com/macports/macports-ports/commits/36a4990f197af54e31881f5e5a59b880c51116dd/math/atlas/Portfile</a></div><div class=""><br class=""></div><div class="">there where some changes to the port about this recently. Please run</div><div class=""><br class=""></div><div class="">sudo port -d selfupdate</div><div class="">sudo port -d sync</div><div class="">sudo port upgrade outdated</div><div class=""><br class=""></div><div class="">to first make sure you are fully up to date</div><div class=""><br class=""></div><div class="">Chris</div><div class=""><font color="#000000" class=""><span style="caret-color: rgb(0, 0, 0);" class=""><br class=""></span></font><div><blockquote type="cite" class=""><div class="">On 18 Apr 2021, at 3:57 pm, <<a href="mailto:petr.2006@centrum.cz" class="">petr.2006@centrum.cz</a>> <<a href="mailto:petr.2006@centrum.cz" class="">petr.2006@centrum.cz</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">I am not sure. I do the clean:<br class=""><br class="">pmm:~ pet$ sudo port clean atlas<br class="">---> Cleaning atlas<br class="">pmm:~ pet$ sudo port install atlas -gcc5<br class="">Warning: The macOS 11.2 SDK does not appear to be installed. Ports may not build correctly.<br class="">Warning: You can install it as part of the Xcode Command Line Tools package by running `xcode-select --install'.<br class="">---> Fetching archive for atlas<br class="">---> Attempting to fetch atlas-3.10.2_2.darwin_20.arm64.tbz2 from <a href="https://packages.macports.org/atlas" class="">https://packages.macports.org/atlas</a><br class="">---> Attempting to fetch atlas-3.10.2_2.darwin_20.arm64.tbz2 from <a href="https://cph.dk.packages.macports.org/atlas" class="">https://cph.dk.packages.macports.org/atlas</a><br class="">---> Attempting to fetch atlas-3.10.2_2.darwin_20.arm64.tbz2 from <a href="https://lil.fr.packages.macports.org/atlas" class="">https://lil.fr.packages.macports.org/atlas</a><br class="">---> Fetching distfiles for atlas<br class="">---> Verifying checksums for atlas<br class="">---> Extracting atlas<br class="">---> Applying patches to atlas<br class="">---> Configuring atlas<br class="">Selected C compiler: /usr/bin/clang<br class="">Selected F77 compiler: gfortran5<br class="">Warning: reinplace s|-no-cpp-precomp||g didn't change anything in /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_atlas/atlas/work/ATLAS/CONFIG/src/atlcomp.txt<br class="">Error: Failed to configure atlas: sysctl failed: No such file or directory<br class="">Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_atlas/atlas/main.log for details.<br class="">Error: Follow <a href="https://guide.macports.org/#project.tickets" class="">https://guide.macports.org/#project.tickets</a> to report a bug.<br class="">Error: Processing of port atlas failed<br class=""><br class=""><br class="">pmm:~ pet$ sudo port clean atlas<br class="">---> Cleaning atlas<br class="">pmm:~ pet$ sudo port install atlas<br class="">Warning: The macOS 11.2 SDK does not appear to be installed. Ports may not build correctly.<br class="">Warning: You can install it as part of the Xcode Command Line Tools package by running `xcode-select --install'.<br class="">---> Computing dependencies for atlas<br class="">Error: Can't install libgcc9 because conflicting ports are active: libgcc-devel<br class="">Error: Follow <a href="https://guide.macports.org/#project.tickets" class="">https://guide.macports.org/#project.tickets</a> to report a bug.<br class="">Error: Processing of port atlas failed<br class=""><br class="">Well, it is strange that in the case of " sudo port install atlas" it does not fetch the package again.<br class=""><br class="">pmm:~ pet$ port variants atlas<br class="">atlas has the variants:<br class=""> gcc49: build using macports-gcc-4.9<br class=""> * conflicts with gcc5 mpclang37 perf<br class="">[+]gcc5: build using macports-gcc-5<br class=""> * conflicts with gcc49 mpclang37 perf<br class=""> mpclang37: use mp-clang-3.7 and gfortran<br class=""> * conflicts with gcc49 gcc5 perf<br class=""> nofortran: Forgo use of fortran compiler<br class=""> universal: Build for multiple architectures<br class=""><br class="">finally I tried to suppress both gcc variants:<br class=""><br class="">pmm:~ pet$ sudo port clean atlas<br class="">Password:<br class="">---> Cleaning atlas<br class="">pmm:~ pet$ sudo port install atlas -gcc5 -gcc49<br class="">Warning: The macOS 11.2 SDK does not appear to be installed. Ports may not build correctly.<br class="">Warning: You can install it as part of the Xcode Command Line Tools package by running `xcode-select --install'.<br class="">---> Fetching archive for atlas<br class="">---> Attempting to fetch atlas-3.10.2_2.darwin_20.arm64.tbz2 from <a href="https://packages.macports.org/atlas" class="">https://packages.macports.org/atlas</a><br class="">---> Attempting to fetch atlas-3.10.2_2.darwin_20.arm64.tbz2 from <a href="https://cph.dk.packages.macports.org/atlas" class="">https://cph.dk.packages.macports.org/atlas</a><br class="">---> Attempting to fetch atlas-3.10.2_2.darwin_20.arm64.tbz2 from <a href="https://lil.fr.packages.macports.org/atlas" class="">https://lil.fr.packages.macports.org/atlas</a><br class="">---> Fetching distfiles for atlas<br class="">---> Verifying checksums for atlas<br class="">---> Extracting atlas<br class="">---> Applying patches to atlas<br class="">---> Configuring atlas<br class="">Selected C compiler: /usr/bin/clang<br class="">Selected F77 compiler: gfortran5<br class="">Warning: reinplace s|-no-cpp-precomp||g didn't change anything in /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_atlas/atlas/work/ATLAS/CONFIG/src/atlcomp.txt<br class="">Error: Failed to configure atlas: sysctl failed: No such file or directory<br class="">Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_atlas/atlas/main.log for details.<br class="">Error: Follow <a href="https://guide.macports.org/#project.tickets" class="">https://guide.macports.org/#project.tickets</a> to report a bug.<br class="">Error: Processing of port atlas failed<br class=""><br class="">/opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_atlas/atlas/main.log<br class="">is not very long I attached it<br class=""><br class="">Petr<br class=""><br class="">______________________________________________________________<br class=""><blockquote type="cite" class="">Od: "Christopher Jones" <<a href="mailto:jonesc@hep.phy.cam.ac.uk" class="">jonesc@hep.phy.cam.ac.uk</a>><br class="">Komu: "Lenore Horner" <<a href="mailto:LenoreHorner@sbcglobal.net" class="">LenoreHorner@sbcglobal.net</a>><br class="">Datum: 18.04.2021 16:13<br class="">Předmět: Re: Update on Big Sur Problems<br class=""><br class="">CC: <<a href="mailto:macports-users@lists.macports.org" class="">macports-users@lists.macports.org</a>><br class=""><br class="">yes…<br class=""><br class="">Your build is not being done from a clean start. Do<br class=""><br class="">sudo port clean atlas<br class="">sudo port install atlas<br class=""><br class="">Chris<br class=""><br class=""><blockquote type="cite" class="">On 18 Apr 2021, at 2:49 pm, Lenore Horner <<a href="mailto:LenoreHorner@sbcglobal.net" class="">LenoreHorner@sbcglobal.net</a>> wrote:<br class="">I think that just means you need to clean and then retry.<br class=""><blockquote type="cite" class="">On Apr 18, 2021, at 09:17, <a href="mailto:petr.2006@centrum.cz" class="">petr.2006@centrum.cz</a> wrote:<br class="">I tried also:<br class="">pmm:~ pet$ sudo port install atlas -gcc5<br class="">Password:<br class="">Error: Requested variants "" do not match those the build was started with: "+gcc5".<br class="">Error: Please use the same variants again, or run 'port clean atlas' first to remove the existing partially completed build.<br class="">Error: Follow <a href="https://guide.macports.org/#project.tickets" class="">https://guide.macports.org/#project.tickets</a> to report a bug.<br class="">Error: Processing of port atlas failed<br class="">pmm:~ pet$ sudo port clean atlas<br class="">---> Cleaning atlas<br class="">pmm:~ pet$ sudo port install atlas -gcc5<br class="">Warning: The macOS 11.2 SDK does not appear to be installed. Ports may not build correctly.<br class="">Warning: You can install it as part of the Xcode Command Line Tools package by running `xcode-select --install'.<br class="">---> Fetching archive for atlas<br class="">---> Attempting to fetch atlas-3.10.2_2.darwin_20.arm64.tbz2 from <a href="https://packages.macports.org/atlas" class="">https://packages.macports.org/atlas</a><br class="">---> Attempting to fetch atlas-3.10.2_2.darwin_20.arm64.tbz2 from <a href="https://cph.dk.packages.macports.org/atlas" class="">https://cph.dk.packages.macports.org/atlas</a><br class="">---> Attempting to fetch atlas-3.10.2_2.darwin_20.arm64.tbz2 from <a href="https://lil.fr.packages.macports.org/atlas" class="">https://lil.fr.packages.macports.org/atlas</a><br class="">---> Fetching distfiles for atlas<br class="">---> Attempting to fetch atlas3.10.2.tar.bz2 from <a href="https://distfiles.macports.org/atlas" class="">https://distfiles.macports.org/atlas</a><br class="">---> Attempting to fetch lapack-3.6.0.tgz from <a href="https://distfiles.macports.org/atlas" class="">https://distfiles.macports.org/atlas</a> ---> Verifying checksums for atlas ---> Extracting atlas<br class="">---> Applying patches to atlas<br class="">---> Configuring atlas<br class="">Selected C compiler: /usr/bin/clang<br class="">Selected F77 compiler: gfortran5<br class="">Warning: reinplace s|-no-cpp-precomp||g didn't change anything in /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_atlas/atlas/work/ATLAS/CONFIG/src/atlcomp.txt<br class="">Error: Failed to configure atlas: sysctl failed: No such file or directory<br class="">Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_atlas/atlas/main.log for details.<br class="">Error: Follow <a href="https://guide.macports.org/#project.tickets" class="">https://guide.macports.org/#project.tickets</a> to report a bug.<br class="">Error: Processing of port atlas failed<br class="">______________________________________________________________<br class=""><blockquote type="cite" class="">Od: <a href="mailto:petr.2006@centrum.cz" class="">petr.2006@centrum.cz</a><br class="">Komu: "Christopher Jones" <<a href="mailto:jonesc@hep.phy.cam.ac.uk" class="">jonesc@hep.phy.cam.ac.uk</a>><br class="">Datum: 18.04.2021 15:13<br class="">Předmět: Re: Update on Big Sur Problems<br class="">CC: <<a href="mailto:macports-users@lists.macports.org" class="">macports-users@lists.macports.org</a>><br class="">pmm:~ pet$ port info atlas<br class="">atlas @3.10.2_2 (math)<br class="">Variants: gcc49, [+]gcc5, mpclang37, nofortran, universal<br class="">Description: Provides a complete BLAS and LAPACK API.<br class=""> ATLAS achieves performance on par with machine-specific tuned libraries.<br class="">Homepage: <a href="http://math-atlas.sourceforge.net/" class="">http://math-atlas.sourceforge.net/</a><br class="">Build Dependencies: gcc5<br class="">Library Dependencies: libgcc, libgcc6<br class="">Platforms: darwin<br class="">License: BSD<br class="">Maintainers: <a href="mailto:vince@macports.org" class="">Email: vince@macports.org</a>, GitHub: Veence<br class="">pmm:~ pet$ port rdeps atlas<br class="">The following ports are dependencies of atlas @3.10.2_2+gcc5:<br class="">gcc5<br class="">xz<br class=""> libiconv<br class=""> gperf<br class=""> gettext<br class=""> ncurses<br class="">cctools<br class="">gmp<br class="">isl18<br class="">ld64<br class=""> ld64-xcode<br class="">zlib<br class="">libmpc<br class=""> mpfr<br class="">gcc_select<br class="">libgcc6<br class=""> isl<br class=""> libgcc7<br class=""> libgcc8<br class=""> libgcc9<br class=""> libgcc<br class=""> libgcc10<br class="">pmm:~ pet$ ______________________________________________________________<br class=""><blockquote type="cite" class="">Od: "Christopher Jones" <<a href="mailto:jonesc@hep.phy.cam.ac.uk" class="">jonesc@hep.phy.cam.ac.uk</a>><br class="">Komu: <a href="mailto:petr.2006@centrum.cz" class="">petr.2006@centrum.cz</a><br class="">Datum: 18.04.2021 14:34<br class="">Předmět: Re: Update on Big Sur Problems<br class="">CC: <<a href="mailto:lists@schamschula.com" class="">lists@schamschula.com</a>, <a href="mailto:macports-users@lists.macports.org" class="">macports-users@lists.macports.org</a>, <a href="mailto:james.secan@gmail.com" class="">james.secan@gmail.com</a>><br class="">So the issue is with atlas, it is forcing the use of gcc5, which will never work on M1 machines.<br class="">please run<br class="">port info atlas<br class="">port rdeps atlas<br class="">I am not sure why you get<br class="">atlas<br class="">gcc5<br class=""> isl18<br class=""> libgcc6<br class=""> libgcc7<br class=""> libgcc8<br class=""> libgcc9<br class=""> libgcc<br class=""> libgcc10<br class="">below, as on my Intel macOS11 machine I don’t see this in the dep tree for atlas<br class="">Oberon ~/Projects/MacPorts/ports > port info atlas atlas @3.10.2_2 (math)<br class="">Variants: gcc49, gcc5, mpclang37, nofortran<br class="">Description: Provides a complete BLAS and LAPACK API.<br class=""> ATLAS achieves performance on par with machine-specific tuned libraries.<br class="">Homepage: <a href="http://math-atlas.sourceforge.net/" class="">http://math-atlas.sourceforge.net/</a><br class="">Extract Dependencies: lbzip2<br class="">Platforms: darwin<br class="">License: BSD<br class="">Maintainers: <a href="mailto:vince@macports.org" class="">Email: vince@macports.org</a>, GitHub: Veence<br class="">Oberon ~/Projects/MacPorts/ports > port rdeps atlas<br class="">The following ports are dependencies of atlas @3.10.2_2:<br class="">lbzip2<br class="">Are you perhaps forcing the use of a gcc5 variant in some way ?<br class="">Please check trac for an existing ticket against atlas, and if it does not exist create one.<br class="">In the meantime I suggest you try without using the atlas variant.<br class="">Chris<br class=""><blockquote type="cite" class="">On 18 Apr 2021, at 12:25 pm, <<a href="mailto:petr.2006@centrum.cz" class="">petr.2006@centrum.cz</a>> <<a href="mailto:petr.2006@centrum.cz" class="">petr.2006@centrum.cz</a>> wrote:<br class="">Hi,<br class="">pmm:~ pet$ port info sundials2 +atlas<br class="">sundials2 @2.7.0_3 (math, devel)<br class="">Variants: accelerate, +atlas, clang11, clangdevel, debug, doc, examples, g95, gccdevel, [+]gfortran,<br class=""> [+]mpich, openblas, openmpi, universal<br class="">Description: SUNDIALS consists of the following five solvers: CVODE solves initial value problems for ordinary<br class=""> differential equation (ODE) systems. CVODES solves ODE systems and includes sensitivity analysis<br class=""> capabilities (forward and adjoint). IDA solves initial value problems for differential-algebraic<br class=""> equation (DAE) systems. IDAS solves DAE systems and includes sensitivity analysis capabilities<br class=""> (forward and adjoint). KINSOL solves nonlinear algebraic systems.<br class="">Homepage: <a href="https://computing.llnl.gov/projects/sundials" class="">https://computing.llnl.gov/projects/sundials</a><br class="">Build Dependencies: cmake, gcc-devel<br class="">Library Dependencies: SuiteSparse_KLU, libgcc-devel, mpich-default, atlas<br class="">Conflicts with: sundials<br class="">Platforms: darwin<br class="">License: BSD<br class="">Maintainers: none<br class="">pmm:~ pet$ port rdeps sundials2 +atlas<br class="">The following ports are dependencies of sundials2 @2.7.0_3+atlas+gfortran+mpich:<br class="">cmake<br class="">libcxx<br class=""> xz<br class=""> libiconv<br class=""> gperf<br class=""> gettext<br class=""> ncurses<br class="">curl<br class=""> pkgconfig<br class=""> libidn2<br class=""> libunistring<br class=""> perl5<br class=""> perl5.28<br class=""> db48<br class=""> gdbm<br class=""> readline<br class=""> texinfo<br class=""> help2man<br class=""> p5.28-locale-gettext<br class=""> perl5.30<br class=""> autoconf<br class=""> m4<br class=""> automake<br class=""> libtool<br class=""> xattr<br class=""> unzip<br class=""> libpsl<br class=""> python39<br class=""> bzip2<br class=""> expat<br class=""> libedit<br class=""> libffi<br class=""> expect<br class=""> tcl<br class=""> dejagnu<br class=""> openssl<br class=""> zlib<br class=""> sqlite3<br class=""> python_select<br class=""> python3_select<br class=""> glib2<br class=""> libxml2<br class=""> icu<br class=""> pcre<br class=""> zstd<br class=""> lz4<br class=""> curl-ca-bundle<br class="">libarchive<br class=""> lzo2<br class="">libuv<br class="">gcc-devel<br class="">cctools<br class="">gmp<br class="">isl<br class="">ld64<br class=""> ld64-xcode<br class="">libmpc<br class=""> mpfr<br class="">gcc_select<br class="">libgcc-devel<br class="">SuiteSparse_KLU<br class="">SuiteSparse_config<br class="">SuiteSparse_AMD<br class="">SuiteSparse_BTF<br class="">SuiteSparse_COLAMD<br class="">mpich-default<br class="">mpi_select<br class="">mpi-doc<br class="">atlas<br class="">gcc5<br class=""> isl18<br class=""> libgcc6<br class=""> libgcc7<br class=""> libgcc8<br class=""> libgcc9<br class=""> libgcc<br class=""> libgcc10<br class="">pmm:~ pet$ ps: without +atlas sundials2 installs successfully<br class="">pmm:~ pet$ uname -a<br class="">Darwin pmm.local 20.3.0 Darwin Kernel Version 20.3.0: Thu Jan 21 00:06:51 PST 2021; root:xnu-7195.81.3~1/RELEASE_ARM64_T8101 arm64<br class="">Petr<br class="">______________________________________________________________<br class=""><blockquote type="cite" class="">Od: "Christopher Jones" <<a href="mailto:jonesc@hep.phy.cam.ac.uk" class="">jonesc@hep.phy.cam.ac.uk</a>><br class="">Komu: <a href="mailto:petr.2006@centrum.cz" class="">petr.2006@centrum.cz</a><br class="">Datum: 18.04.2021 13:08<br class="">Předmět: Re: Update on Big Sur Problems<br class="">CC: <<a href="mailto:lists@schamschula.com" class="">lists@schamschula.com</a>, <a href="mailto:macports-users@lists.macports.org" class="">macports-users@lists.macports.org</a>, <a href="mailto:james.secan@gmail.com" class="">james.secan@gmail.com</a>><br class="">Hi,<br class="">Any port that forces the use of gcc10 or older on M1 macs cannot work, as these gcc versions are never going to be supported on these machines. Even gcc11 support seems unlikely at this time, so for a while gccdevel is likely going to be the only supported version on these machines, which currently uses a special fork of the gcc mainline by the primary Darwin maintainer with experimental M1 support.<br class="">However, ports using the compilers PG should automatically use gccdevel, so we need to see why the port below is trying to install libgcc9, as this is incorrect. Please show what<br class="">port info sundials2 +atlas<br class="">and<br class="">port rdeps sundials2 +atlas<br class="">Finally, if you want this to get fixed you need to follow the final instructions below and submit a trac ticket for the issue.<br class="">Chris<br class=""><blockquote type="cite" class="">On 18 Apr 2021, at 11:40 am, <a href="mailto:petr.2006@centrum.cz" class="">petr.2006@centrum.cz</a> wrote:<br class="">Hello,<br class="">I run "sudo port selfupdate" and "sudo port upgrade outdated" occasionally and I see that there are updates and improvements. Which is nice.<br class="">Yes, gcc-devel is pulled by default, it includes fortran and it seems to work.<br class="">However I am experiencing problems with some packages which need other version which is ether not available for arm64 or it is conflict with gcc-devel .<br class="">Just as an example, I tried to install cantera and it wants sundials2 +atlas<br class="">but :<br class="">sudo port install sundials2 +atlas<br class="">Warning: The macOS 11.2 SDK does not appear to be installed. Ports may not build correctly.<br class="">Warning: You can install it as part of the Xcode Command Line Tools package by running `xcode-select --install'.<br class="">---> Computing dependencies for sundials2<br class="">Error: Can't install libgcc9 because conflicting ports are active: libgcc-devel<br class="">Error: Follow <a href="https://guide.macports.org/#project.tickets" class="">https://guide.macports.org/#project.tickets</a> to report a bug.<br class="">Error: Processing of port sundials2 failed<br class="">And I am finished at this point.<br class="">Petr<br class="">______________________________________________________________<br class=""><blockquote type="cite" class="">Od: "Marius Schamschula" <<a href="mailto:lists@schamschula.com" class="">lists@schamschula.com</a>><br class="">Komu: "MacPorts Users" <<a href="mailto:macports-users@lists.macports.org" class="">macports-users@lists.macports.org</a>><br class="">Datum: 17.04.2021 20:50<br class="">Předmět: Re: Update on Big Sur Problems<br class="">James,<br class="">gcc-devel works fine on M1 macs. E.g. I’ve used it to install octave.<br class=""><blockquote type="cite" class="">On Apr 17, 2021, at 1:05 PM, James Secan <<a href="mailto:james.secan@gmail.com" class="">james.secan@gmail.com</a>> wrote:<br class="">I just checked the MacPorts wiki page for Big Sur problems and noted that it hasn’t been updated for three months (at least that’s what the wiki page says). With the possibility that new M1 iMacs might show up soon can you provide a short update on where things stand vis-a-vis Big Sur and M1-based Macs? I’m most interested in where things stand on the gcc compiler package (gfortran in particular).<br class="">Thanks.<br class="">Jim<br class="">Seattle, WA<br class=""></blockquote>Marius<br class="">--<br class="">Marius Schamschula<br class="">Marius<br class="">--<br class="">Marius Schamschula<br class=""></blockquote></blockquote></blockquote></blockquote></blockquote></blockquote></blockquote></blockquote><br class=""><br class=""></blockquote><span id="cid:65A50DD7-72E2-4A20-8C8C-744441A0DB77"><main.log></span></div></div></blockquote></div><br class=""></div></body></html>