Checking if your kit is complete...
Looks good
Note (probably harmless): No library found for -lgeocoderja
Writing Makefile for Geo::Coder::Ja
cp lib/Geo/Coder/Ja.xs blib/lib/Geo/Coder/Ja.xs
cp lib/Geo/Coder/Ja.pm blib/lib/Geo/Coder/Ja.pm
/home/cpanrun/pa-risc1.1/build/5.6.1/bin/perl -I/home/cpanrun/pa-risc1.1/build/5.6.1/lib/5.6.1/PA-RISC1.1-thread-multi -I/home/cpanrun/pa-risc1.1/build/5.6.1/lib/5.6.1 /home/cpanrun/pa-risc1.1/build/5.6.1/lib/5.6.1/ExtUtils/xsubpp  -typemap /home/cpanrun/pa-risc1.1/build/5.6.1/lib/5.6.1/ExtUtils/typemap Ja.xs > Ja.xsc && mv Ja.xsc Ja.c
cc -c  -I/usr/local/include -Isrc -O +Onolimit   -DVERSION=\"0.03\" -DXS_VERSION=\"0.03\" +z -I/home/cpanrun/pa-risc1.1/build/5.6.1/lib/5.6.1/PA-RISC1.1-thread-multi/CORE  Ja.c
cpp: "Ja.xs", line 7: error 4036: Can't open include file 'geocoder.h'.
cpp: "Ja.xs", line 8: error 4036: Can't open include file 'gcjlib.h'.
make: *** [Ja.o] Error 1