sorry, that should be `brew install gcc@10` On Monday, May 10, 2021 at 3:27:47 PM UTC-4 Zachary Scherr wrote:
> I haven't fully tested this yet, but you can also try installing gcc-10 > through homebrew and then using gfortran-10. Here are the steps to try: > > > brew install gcc-10 > > and then once in a clean sage directory (so run make distclean if you need > to): > > > source .homebrew-build-env > > make configure > > FC=gfortran-10 ./configure > > make > > will force the configure script to use gfortran 10. At the time of > posting this I did check that this does allow numpy to build. > > > > On Monday, May 10, 2021 at 3:01:56 PM UTC-4 Matthias Koeppe wrote: > >> Our configure script rejects the current gfortran from homebrew - which >> is already 11.1. >> >> This leads to building gfortran from source, an old version which does >> not support Big Sur. >> Try with https://trac.sagemath.org/ticket/29703 please (use >> ./bootstrap), which upgrades our gcc/gfortran package. >> >> >> >> On Monday, May 10, 2021 at 11:46:50 AM UTC-7 modp...@gmail.com wrote: >> >>> I'm trying to build SageMath 9.3 from source on MacOS Big Sur 11.3.1. >>> >>> It fails with the following: >>> >>> v = self.gnu_version_match(version_string) >>> >>> File >>> "/Users/myUser/app/sage-9.3/local/var/tmp/sage/build/numpy-1.19.5/src/numpy/distutils/fcompiler/gnu.py", >>> >>> line 80, in gnu_version_match >>> >>> raise ValueError(err + version_string) >>> >>> ValueError: A valid Fortran version was not found in this string: >>> >>> >>> 9.2.0 >>> >>> >>> ******************************************************************************** >>> >>> Error building a wheel for numpy-1.19.5 >>> >>> >>> ******************************************************************************** >>> >>> >>> Please find the log files attached. Any ideas what the issue might be? >>> >> -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/cb582d10-06e0-44b5-a123-576688e5f591n%40googlegroups.com.