WARNING: LICENSE is not a known parameter. Checking if your kit is complete... Looks good 'LICENSE' is not a known MakeMaker parameter name. Note (probably harmless): No library found for -lRmath Writing Makefile for Math::GammaFunction cp lib/Math/GammaFunction.pm blib/lib/Math/GammaFunction.pm /home/cpanrun/pa-risc1.1/build/5.8.2/bin/perl /home/cpanrun/pa-risc1.1/build/5.8.2/lib/5.8.2/ExtUtils/xsubpp -typemap /home/cpanrun/pa-risc1.1/build/5.8.2/lib/5.8.2/ExtUtils/typemap GammaFunction.xs > GammaFunction.xsc && mv GammaFunction.xsc GammaFunction.c Please specify prototyping behavior for GammaFunction.xs (see perlxs manual) cc -c -I. -D_POSIX_C_SOURCE=199506L -D_REENTRANT -Ae -D_HPUX_SOURCE -Wl,+vnocompatwarnings -DNO_HASH_SEED -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -fast +Onolimit +Opromote_indirect_calls +DAportable +DS2.0 -DVERSION=\"0.02\" -DXS_VERSION=\"0.02\" +Z "-I/home/cpanrun/pa-risc1.1/build/5.8.2/lib/5.8.2/PA-RISC1.1-thread-multi/CORE" GammaFunction.c cpp: "GammaFunction.xs", line 8: error 4036: Can't open include file 'Rmath.h'. make: *** [GammaFunction.o] Error 1