Checking if your kit is complete... Looks good Writing Makefile for Socket::MsgHdr cp MsgHdr.pm blib/lib/Socket/MsgHdr.pm /home/cpanrun/ia64/build/5.6.1/bin/perl -I/home/cpanrun/ia64/build/5.6.1/lib/5.6.1/IA64.ARCHREV_0-thread-multi -I/home/cpanrun/ia64/build/5.6.1/lib/5.6.1 /home/cpanrun/ia64/build/5.6.1/lib/5.6.1/ExtUtils/xsubpp -typemap /home/cpanrun/ia64/build/5.6.1/lib/5.6.1/ExtUtils/typemap MsgHdr.xs > MsgHdr.xsc && mv MsgHdr.xsc MsgHdr.c gcc -c -I. -DUSE_REENTRANT_API -D_POSIX_C_SOURCE=199506L -D_HPUX_SOURCE -L/lib/hpux32 -DUINT32_MAX_BROKEN -fPIC -fno-strict-aliasing -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O -DVERSION=\"0.01\" -DXS_VERSION=\"0.01\" -fPIC -I/home/cpanrun/ia64/build/5.6.1/lib/5.6.1/IA64.ARCHREV_0-thread-multi/CORE MsgHdr.c MsgHdr.xs: In function `hv_2msghdr': MsgHdr.xs:52: error: structure has no member named `msg_control' MsgHdr.xs:53: error: structure has no member named `msg_controllen' MsgHdr.xs:57: error: structure has no member named `msg_flags' MsgHdr.xs: In function `XS_Socket__MsgHdr_pack_cmsghdr': MsgHdr.xs:85: error: dereferencing pointer to incomplete type MsgHdr.xs:86: error: dereferencing pointer to incomplete type MsgHdr.xs:87: error: dereferencing pointer to incomplete type MsgHdr.xs: In function `XS_Socket__MsgHdr_unpack_cmsghdr': MsgHdr.xs:102: error: structure has no member named `msg_control' MsgHdr.xs:103: error: structure has no member named `msg_controllen' MsgHdr.xs:108: warning: assignment makes pointer from integer without a cast MsgHdr.xs:109: warning: assignment makes pointer from integer without a cast MsgHdr.xs:110: error: dereferencing pointer to incomplete type MsgHdr.xs:111: error: dereferencing pointer to incomplete type MsgHdr.xs:112: error: dereferencing pointer to incomplete type MsgHdr.xs:112: warning: passing arg 2 of `Perl_newSVpvn' makes pointer from integer without a cast MsgHdr.xs: In function `XS_Socket__MsgHdr_recvmsg': MsgHdr.xs:155: error: structure has no member named `msg_controllen' make: *** [MsgHdr.o] Error 1