Bug#877061: p4est: missing build dependency on gfortran

[Adrian Bunk]

Source: p4est
Version: 1.1-4
Severity: serious
Tags: buster sid

It seems something was until recently pulling in gfortran,
but not anymore - exposing the missing build dependency:

https://tests.reproducible-builds.org/debian/history/p4est.html
https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/p4est.html

...
configure:                             F77 set to mpif77
configure:                              FC set to mpif90
configure:                              CC set to mpicc
configure:                             CXX set to mpicxx
checking whether the Fortran 77 compiler works... no
configure: error: in `/build/1st/p4est-1.1':
configure: error: Fortran 77 compiler cannot create executables