https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123976
--- Comment #242 from Peter Dyballa <Peter_Dyballa at web dot de> --- MacPorts gcc10-bootstrap seems to depend on/be built with: gcc-10.5.0.tar.gz@ gcc-7.5.0.tar.gz@ gmp-6.2.1.tar.bz2@ isl-0.24.tar.bz2@ make-3.81.tar.gz@ mpc-1.2.1.tar.gz@ mpfr-4.1.0.tar.bz2@
