Checking if your kit is complete... Looks good Note (probably harmless): No library found for -lgmp Writing Makefile for Math::GMP cp lib/Math/GMP.pm blib/lib/Math/GMP.pm AutoSplitting blib/lib/Math/GMP.pm (blib/lib/auto/Math/GMP) /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 GMP.xs > GMP.xsc && mv GMP.xsc GMP.c cc -c -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=\"2.04\" -DXS_VERSION=\"2.04\" +Z "-I/home/cpanrun/parisc2.0-lp64/build/5.8.2/lib/5.8.2/PA-RISC2.0-thread-multi-LP64/CORE" GMP.c cpp: "GMP.xs", line 4: error 4036: Can't open include file 'gmp.h'. make: *** [GMP.o] Error 1