Cmake-based fortran skeletons
Simply place any Fortran (and optionally C) sources in src and compile and execute with ./run.sh.
The version for PETSc uses the compilers defined by PETSc.
To use PETSc PETSC_DIR and PETSC_ARCH need to be set.
If PETSc is not available, use $F90 and $CC environment variables.