http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54797
--- Comment #2 from christopher.romick at gmail dot com 2012-10-03 19:37:24 UTC --- I have indeed tried include -I but it makes no differences. The compilation returns the same error. The 1st line states GFORTRAN module created from /.../odesolver/LSODE/datodesol.f90 on Wed Oct 3 15:35:10 2012 of course the ... is the rest of the full path