Sylvestre has just uploaded changes with proposed way: libhdf5-openmpi-dev[alpha amd64 i386 ia64 kfreebsd-amd64 kfreebsd-i386 powerpc sparc], libhdf5-lam-dev[!alpha !amd64 !i386 !ia64 !kfreebsd-amd64 !kfreebsd-i386 !powerpc !sparc] Let's see how it will be compiled. A.