Checking if your kit is complete... Looks good Writing Makefile for Chemistry::OpenBabel cp OpenBabel.pm blib/lib/Chemistry/OpenBabel.pm g++ -c -I../../include -D_POSIX_C_SOURCE=199506L -D_REENTRANT -Ae -D_HPUX_SOURCE -Wl,+vnocompatwarnings +DD64 -DNO_HASH_SEED -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -fast +Onolimit +Opromote_indirect_calls -DVERSION=\"1.2.0\" -DXS_VERSION=\"1.2.0\" +Z "-I/home/cpanrun/parisc2.0-lp64/build/5.8.2/lib/5.8.2/PA-RISC2.0-thread-multi-LP64/CORE" openbabel_perl.cpp g++: +DD64: No such file or directory g++: +Onolimit: No such file or directory g++: +Opromote_indirect_calls: No such file or directory g++: +Z: No such file or directory cc1plus: error: unrecognized option `-fast' make: *** [openbabel_perl.o] Error 1