Note (probably harmless): No library found for -lkrb5 Note (probably harmless): No library found for -lk5crypto Note (probably harmless): No library found for -lcom_err Checking if your kit is complete... Looks good Writing Makefile for Authen::Krb5::Simple cp lib/Authen/Krb5/Simple.pm blib/lib/Authen/Krb5/Simple.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 Simple.xs > Simple.xsc && mv Simple.xsc Simple.c gcc -c -I -DUSE_REENTRANT_API -D_POSIX_PTHREAD_SEMANTICS -D_REENTRANT -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O -DVERSION=\"0.32\" -DXS_VERSION=\"0.32\" -fPIC -I/export/home/cpanrun/build/5.6.1/lib/5.6.1/sun4-solaris-thread-multi/CORE Simple.c Simple.xs:20: krb5.h: No such file or directory make: *** [Simple.o] Error 1