Build Notes Need cc_r compiler installed on AIX build system. Use the Digest-SHA1.spec in this directory. ( it was created by running a modified cpan2rpm to support AIX) Get Digest-SHA1-2.12.tar.gz from CPAN cp Digest-SHA1-2.12.tar.gz /opt/freeware/src/packages/SOURCES cp Digest-SHA1.spec /opt/freeware/src/packages/SPECS Run "rpm -bb Digest-SHA1.spec". - which creates: /opt/freeware/src/packages/RPMS/ppc/perl-Digest-SHA1-2.12-1.aix6.1.ppc.rpm