On 05.07.2017 11:28, Alastair McKinstry wrote: > Hi, > > We will be transitioning to gcc7 soon for Buster, and with it there is > another Fortran transition. This is because the format for gfortrans mod > files has changed again.
did it? At least the fortran module version is the same upstream (14). However the libgfortran soname was bumped from 3 to 4, so we will have a transition / rebuild cycle anyway. > We do not have a clean mechanism for tracking gfortran-dependent > packages in Debian. A module dh_fortran_mod for doing so was written by > Sebastian Villemont (see #714730) but this issue is no longer being > pushed by him due to a change in personal direction. > > I propose to resurrect this module and add dependencies to all current > gfortran-using packages so we can track a transition. > > Can anyone comment on current issues with this code, or this approach ? > > > A second issue worth tracking is the 'flang' compiler. This is a new > Apache-licensed Fortran compiler, based on a front-end written by PGI > and Nvidia, using the LLVM backend. While currently not in Debian, it > may be so soon .. > > https://github.com/flang-compiler/flang > > Should compilers be set to check a subdirectory of /usr/include to look > for .mod files suitable for their use? I haven't looked into that, however if compiler patches would be required then please discuss these with upstream first. Matthias
