Checking if your kit is complete... Looks good Writing Makefile for Socket::MsgHdr cp MsgHdr.pm blib/lib/Socket/MsgHdr.pm /home/cpanrun/pa-risc1.1/build/5.8.2/bin/perl /home/cpanrun/pa-risc1.1/build/5.8.2/lib/5.8.2/ExtUtils/xsubpp -typemap /home/cpanrun/pa-risc1.1/build/5.8.2/lib/5.8.2/ExtUtils/typemap MsgHdr.xs > MsgHdr.xsc && mv MsgHdr.xsc MsgHdr.c cc -c -I. -D_POSIX_C_SOURCE=199506L -D_REENTRANT -Ae -D_HPUX_SOURCE -Wl,+vnocompatwarnings -DNO_HASH_SEED -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -fast +Onolimit +Opromote_indirect_calls +DAportable +DS2.0 -DVERSION=\"0.01\" -DXS_VERSION=\"0.01\" +Z "-I/home/cpanrun/pa-risc1.1/build/5.8.2/lib/5.8.2/PA-RISC1.1-thread-multi/CORE" MsgHdr.c cc: "MsgHdr.xs", line 52: error 1588: "msg_control" undefined. cc: "MsgHdr.xs", line 52: error 1531: Invalid member of struct or union. cc: "MsgHdr.xs", line 53: error 1588: "msg_controllen" undefined. cc: "MsgHdr.xs", line 53: error 1531: Invalid member of struct or union. cc: "MsgHdr.xs", line 57: error 1588: "msg_flags" undefined. cc: "MsgHdr.xs", line 57: error 1531: Invalid member of struct or union. cc: "MsgHdr.xs", line 85: error 1530: Undefined struct or union. cc: "MsgHdr.xs", line 86: error 1530: Undefined struct or union. cc: "MsgHdr.xs", line 87: error 1530: Undefined struct or union. cc: "MsgHdr.xs", line 102: error 1588: "msg_control" undefined. cc: "MsgHdr.xs", line 102: error 1531: Invalid member of struct or union. cc: "MsgHdr.xs", line 103: error 1588: "msg_controllen" undefined. cc: "MsgHdr.xs", line 103: error 1531: Invalid member of struct or union. cc: "MsgHdr.xs", line 108: warning 527: Integral value implicitly converted to pointer in assignment. cc: "MsgHdr.xs", line 109: warning 527: Integral value implicitly converted to pointer in assignment. cc: "MsgHdr.xs", line 110: error 1530: Undefined struct or union. cc: "MsgHdr.xs", line 110: warning 563: Argument #2 is not the correct type. cc: "MsgHdr.xs", line 111: error 1530: Undefined struct or union. cc: "MsgHdr.xs", line 111: warning 563: Argument #2 is not the correct type. cc: "MsgHdr.xs", line 112: warning 527: Integral value implicitly converted to pointer in assignment. cc: "MsgHdr.xs", line 112: warning 563: Argument #2 is not the correct type. cc: "MsgHdr.xs", line 112: error 1530: Undefined struct or union. cc: "MsgHdr.xs", line 112: warning 563: Argument #3 is not the correct type. cc: "MsgHdr.xs", line 155: error 1588: "msg_controllen" undefined. cc: "MsgHdr.xs", line 155: error 1531: Invalid member of struct or union. make: *** [MsgHdr.o] Error 1