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Writing Makefile for Solaris::loadavg
cp loadavg.pm blib/lib/Solaris/loadavg.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 loadavg.xs > loadavg.xsc && mv loadavg.xsc loadavg.c
Please specify prototyping behavior for loadavg.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=\"0.01\" -DXS_VERSION=\"0.01\" -fPIC -I/export/home/cpanrun/build/5.6.1/lib/5.6.1/sun4-solaris-thread-multi/CORE  loadavg.c
loadavg.xs:4: sys/loadavg.h: No such file or directory
make: *** [loadavg.o] Error 1