Checking if your kit is complete...
Looks good
Warning: -L./ changed to -L/home/cpanrun/depot/main/contrib-patched/perl/CPAN/src/Net-Gadu/./
Note (probably harmless): No library found for -lgadu
Writing Makefile for Net::Gadu
cp Gadu.pm blib/lib/Net/Gadu.pm
AutoSplitting blib/lib/Net/Gadu.pm (blib/lib/auto/Net/Gadu)
/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  Gadu.xs > Gadu.xsc && mv Gadu.xsc Gadu.c
cc -c  -I/usr/include -I/usr/local/include -L./ -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=\"1.8\" -DXS_VERSION=\"1.8\" +Z "-I/home/cpanrun/parisc2.0-lp64/build/5.8.2/lib/5.8.2/PA-RISC2.0-thread-multi-LP64/CORE"   Gadu.c
cpp: "Gadu.xs", line 25: error 4036: Can't open include file 'libgadu.h'.
make: *** [Gadu.o] Error 1