On May 30, 2012, at 12:43, Julien Salort wrote: > % sudo port install netcdf-fortran +universal > Password: > ---> Computing dependencies for llvm-3.0 > ---> Building llvm-3.0 > Error: org.macports.build for port llvm-3.0 returned: command execution failed Since that was not a clean attempt, clean llvm-3.0, then try again.