Luca, > +libspe2.pc: > + echo -e \ > + prefix=$(prefix) \\n\ > + exec_prefix=$(exec_prefix) \\n\ > + libdir=$(libdir) \\n\ > + includedir=$(includedir) \\n\ [snip] That's a little too much work for a makefile. I think adding a libspe2.pc.in file, and using 'sed' to set the variables would be much cleaner. Cheers, Jeremy