Checking if your kit is complete... Looks good Writing Makefile for OS2::Focus cp Focus.pm blib/lib/OS2/Focus.pm AutoSplitting blib/lib/OS2/Focus.pm (blib/lib/auto/OS2/Focus) /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 -typemap typemap Focus.xs > Focus.xsc && mv Focus.xsc Focus.c Please specify prototyping behavior for Focus.xs (see perlxs manual) 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=\"0.01\" -DXS_VERSION=\"0.01\" +Z "-I/home/cpanrun/parisc2.0-lp64/build/5.8.2/lib/5.8.2/PA-RISC2.0-thread-multi-LP64/CORE" -I. -DINCL_BASE -DINCL_PM Focus.c cpp: "Focus.xs", line 5: error 4036: Can't open include file 'os2emx.h'. make: *** [Focus.o] Error 1