Checking if your kit is complete...
Looks good
Note (probably harmless): No library found for -lgs
Writing Makefile for GSAPI
cp GSAPI.pm blib/lib/GSAPI.pm
AutoSplitting blib/lib/GSAPI.pm (blib/lib/auto/GSAPI)
/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 -typemap typemap  GSAPI.xs > GSAPI.xsc && mv GSAPI.xsc GSAPI.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=\"0.4\" -DXS_VERSION=\"0.4\" +Z "-I/home/cpanrun/pa-risc1.1/build/5.8.2/lib/5.8.2/PA-RISC1.1-thread-multi/CORE"   GSAPI.c
cpp: "GSAPI.xs", line 9: error 4036: Can't open include file 'iapi.h'.
make: *** [GSAPI.o] Error 1