Note (probably harmless): No library found for -lread Checking if your kit is complete... Looks good Writing Makefile for Bio::SCF cp SCF/Arrays.pm blib/lib/Bio/SCF/Arrays.pm cp SCF.pm blib/lib/Bio/SCF.pm /export/home/cpanrun/build/5.6.1/bin/perl -I/export/home/cpanrun/build/5.6.1/lib/5.6.1/sun4-solaris-thread-multi -I/export/home/cpanrun/build/5.6.1/lib/5.6.1 /export/home/cpanrun/build/5.6.1/lib/5.6.1/ExtUtils/xsubpp -typemap /export/home/cpanrun/build/5.6.1/lib/5.6.1/ExtUtils/typemap SCF.xs > SCF.xsc && mv SCF.xsc SCF.c Please specify prototyping behavior for SCF.xs (see perlxs manual) gcc -c -DUSE_REENTRANT_API -D_POSIX_PTHREAD_SEMANTICS -D_REENTRANT -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O -DVERSION=\"1.01\" -DXS_VERSION=\"1.01\" -fPIC -I/export/home/cpanrun/build/5.6.1/lib/5.6.1/sun4-solaris-thread-multi/CORE -DLITTLE_ENDIAN SCF.c SCF.xs:12: io_lib/scf.h: No such file or directory SCF.xs:13: io_lib/mFILE.h: No such file or directory make: *** [SCF.o] Error 1