Although the following files are generated, they are not installed in 4.3.0 or later.
# find . -name '*.gch' -print ./hppa64-hp-hpux11.11/libstdc++-v3/include/hppa64-hp-hpux11.11/bits/stdc++.h.gch/O0g.gch ./hppa64-hp-hpux11.11/libstdc++-v3/include/hppa64-hp-hpux11.11/bits/stdc++.h.gch/O2g.gch ./hppa64-hp-hpux11.11/libstdc++-v3/include/hppa64-hp-hpux11.11/bits/stdtr1c++.h.gch/O2g.gch ./hppa64-hp-hpux11.11/libstdc++-v3/include/hppa64-hp-hpux11.11/bits/extc++.h.gch/O2g.gch -- Summary: Precompiled headers are not installed Product: gcc Version: 4.3.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: danglin at gcc dot gnu dot org GCC build triplet: hppa*-*-hpux* GCC host triplet: hppa*-*-hpux* GCC target triplet: hppa*-*-hpux* http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36543