Hi, In fact libstdc++5-3.3-dev is available in testing, according to madison
% madison libstdc++5-3.3-dev libstdc++5-3.3-dev | 1:3.3.5-13 | stable | alpha, arm, hppa, i386, ia64, m68k, mips, mipsel, powerpc, s390, sparc libstdc++5-3.3-dev | 1:3.3.6-13 | testing | alpha, amd64, arm, hppa, i386, ia64, m68k, mips, mipsel, powerpc, s390, sparc libstdc++5-3.3-dev | 1:3.3.6-13 | unstable | alpha, amd64, arm, hppa, hurd-i386, i386, ia64, m68k, mips, mipsel, powerpc, s390, sparc Maybe the build-dependency with an alternative is not treated correctly by your autobuilder. -Ralf. -- Ralf Treinen Laboratoire Spécification et Vérification CNRS, École Normale Supérieure de Cachan, INRIA Futurs http://www.lsv.ens-cachan.fr/~treinen