This is documentation for an old release of NumPy (version 1.5.). Read this page in the documentation of the latest stable release (version > 1.17).
Check for availability of Fortran 90 compiler.
Use it inside source generating function to ensure that setup distribution instance has been initialized.
Notes
True if a Fortran 90 compiler is available (because a simple Fortran 90 code was able to be compiled successfully)