Checking if your kit is complete... Looks good Writing Makefile for Digest::Hashcash cp Hashcash.pm blib/lib/Digest/Hashcash.pm /home/cpanrun/parisc2.0-lp64/build/5.8.2/bin/perl /home/cpanrun/parisc2.0-lp64/build/5.8.2/lib/5.8.2/ExtUtils/xsubpp -typemap /home/cpanrun/parisc2.0-lp64/build/5.8.2/lib/5.8.2/ExtUtils/typemap Hashcash.xs > Hashcash.xsc && mv Hashcash.xsc Hashcash.c cc -c -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=\"0.03\" -DXS_VERSION=\"0.03\" +Z "-I/home/cpanrun/parisc2.0-lp64/build/5.8.2/lib/5.8.2/PA-RISC2.0-thread-multi-LP64/CORE" Hashcash.c cpp: "Hashcash.xs", line 7: error 4036: Can't open include file 'stdint.h'. cpp: "Hashcash.xs", line 42: warning 2002: Redefinition of param names for macro __attribute__. make: *** [Hashcash.o] Error 1