libstdc++ is not supported on h8300-hitachi-hms, so main configure should skip it (as it does for h8500-*-*), otherwise sub-configure will bail out later.
Suggested patch: --- gcc-3.4.3/configure +++ gcc-3.4.3/configure @@ -1232,7 +1232,7 @@ noconfigdirs="$noconfigdirs ${libgcj}" ;; h8300*-*-*) - noconfigdirs="$noconfigdirs target-libgloss ${libgcj} target-libf2c" + noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} target-libf2c" ;; h8500-*-*) noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} target-libf2c" -- Summary: libstdc++ not supported on this target Product: gcc Version: 3.4.3 Status: UNCONFIRMED Severity: normal Priority: P2 Component: libstdc++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: gcc at mailinator dot com CC: gcc-bugs at gcc dot gnu dot org GCC build triplet: i686-pc-linux GCC host triplet: i686-pc-linux GCC target triplet: h8300-hitachi-hms http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21530