[sage-support] What can I do to get sage not to compile numpy?

Using dnf to install sagemath works on Fedora 34, but then /usr/bin/sage gives a weird error message. Compiling sage from sage-9.2.tar.gz does not work. Using CC=clang CXX=clang++ FC=flang it hangs. Here are the last three lines that get printed to the screen: [numpy-1.19.5] creating build/src

[sage-support] sage-9.3 and sage from github both fail to compile

Both sage-9.3 and sage from github both fail to compile on Fedora 34 [= up-to-date]. The error message seems to indicate that whatever is wrong can easily be fixed, but I do not know how to do it. Here is the error message: [gfortran-9.2.0] cp ../../src/gcc/gcc-ar.c gcc-nm.c [gfortran-9.2.0] mak