Hi, dolfin 1.0.0-7 failed to build on hurd-i386 and i386 due to a bug in gcc-4.7. This bug was fixed in gcc-4.7 4.7.1-6, so please rebuild dolfin on those architectures: gb dolfin_1.0.0-7 . hurd-i386 i386 This would clear the FTBFS bug #679762 (CCed). Thanks, Johannes