Checking if your kit is complete...
Looks good
Writing Makefile for Language::SIOD
cp lib/Language/SIOD.pm blib/lib/Language/SIOD.pm
cp lib/Language/SIOD_in.pm blib/lib/Language/SIOD_in.pm
cc -c  -D_POSIX_C_SOURCE=199506L -D_HPUX_SOURCE +DA1.1 +DS2.0a +z -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Ae -O +Onolimit   -DVERSION=\"0.01\" -DXS_VERSION=\"0.01\" +z -I/home/cpanrun/pa-risc1.1/build/5.6.1/lib/5.6.1/PA-RISC1.1-thread-multi/CORE  siod_wrap.c
cc: "slib.c", line 176: error 1588: "SIOD_LIB_DEFAULT" undefined.
cc: "slib.c", line 176: error 1521: Incorrect initialization.
make: *** [siod_wrap.o] Error 1