Checking if your kit is complete... Looks good Writing Makefile for Acme::Goto::Line cp Line.pm blib/lib/Acme/Goto/Line.pm /home/cpanrun/ia64/build/5.8.2/bin/perl /home/cpanrun/ia64/build/5.8.2/lib/5.8.2/ExtUtils/xsubpp -typemap /home/cpanrun/ia64/build/5.8.2/lib/5.8.2/ExtUtils/typemap Line.xs > Line.xsc && mv Line.xsc Line.c Please specify prototyping behavior for Line.xs (see perlxs manual) 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 +DSitanium2 +Ofltacc=strict -DVERSION=\"0.01\" -DXS_VERSION=\"0.01\" +Z "-I/home/cpanrun/ia64/build/5.8.2/lib/5.8.2/IA64.ARCHREV_0-thread-multi/CORE" Line.c Error 19: "Line.xs", line 67 # Unexpected ','. erlInterpreter *) pthread_getspecific((*Perl_Gthr_key_ptr(0L)))), ) { ^ Error 373: "Line.xs", line 67 # Old-style function definition parameter must be a simple identifier. OP* acme_goto_line_newgoto( ((PerlInterpreter *) pthread_getspecific((*Perl_Gthr_key_ptr(0L)) ^^^^^^^^^^^^^^^^^^^ Error 181: "Line.xs", line 86 # Expected 1 argument(s) for "op *Perl_pp_goto(interpreter *)"; had 0 instead. return Perl_pp_goto(); ^^^^^^^^^^^^^^ Warning 942: "Line.xs", line 99 # Types 'op *(*)(interpreter *)' and 'op *(*)()' are not assignment-compatible. PL_ppaddr[OP_GOTO] = acme_goto_line_newgoto ; ^^^^^^^^^^^^^^^^^^^^^^ make: *** [Line.o] Error 2