This ticket makes it an error at configure time if an Anaconda environment is active
that does not have the c-compiler, cxx-compiler, and fortran-compiler packages (or equivalent).

Many support requests come from the failure of Sage to build or
to run in the presence of Anaconda.

CC: @dimpase @saraedum @isuruf @jhpalmieri @embray @tscrim @kiwifb

Component: build

Keywords: conda

Author: Matthias Koeppe

Branch/Commit: 4ac6aaf

Reviewer: Isuru Fernando

Issue created by migration from https://trac.sagemath.org/ticket/27699