Checking if your kit is complete...
Looks good
Note (probably harmless): No library found for -lmusicbrainz
Writing Makefile for MusicBrainz::TRM
cp TRM.pm blib/lib/MusicBrainz/TRM.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 -typemap typemap  TRM.xs > TRM.xsc && mv TRM.xsc TRM.c
cc -c  -I/usr/local/include -I. -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=\"0.02\" -DXS_VERSION=\"0.02\" +Z "-I/home/cpanrun/parisc2.0-lp64/build/5.8.2/lib/5.8.2/PA-RISC2.0-thread-multi-LP64/CORE"   TRM.c
cpp: "TRM.xs", line 12: error 4036: Can't open include file 'musicbrainz/mb_c.h'.
make: *** [TRM.o] Error 1