On hppa-linux-gnu the symbol __signb...@glibcxx_3.4 isn't exported anymore (4.4 20090317 built using binutils 2.19.1 and glibc-2.9)
-- Summary: [4.4 regression] symbol __signb...@glibcxx_3.4 in libstdc++ not exported anymore Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: doko at ubuntu dot com GCC target triplet: hppa-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39491