Checking if your kit is complete... Looks good Writing Makefile for SGI::Syssgi cp Syssgi.pm blib/lib/SGI/Syssgi.pm AutoSplitting blib/lib/SGI/Syssgi.pm (blib/lib/auto/SGI/Syssgi) /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 Syssgi.xs > Syssgi.xsc && mv Syssgi.xsc Syssgi.c gcc -c -DUSE_REENTRANT_API -D_POSIX_PTHREAD_SEMANTICS -D_REENTRANT -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O -DVERSION=\"1.005\" -DXS_VERSION=\"1.005\" -fPIC -I/export/home/cpanrun/build/5.6.1/lib/5.6.1/sun4-solaris-thread-multi/CORE Syssgi.c In file included from Syssgi.xs:5: sgi-syssgi.h:4: sys/syssgi.h: No such file or directory make: *** [Syssgi.o] Error 1