$ perl -V
Can't locate Config.pm in @INC (@INC contains: ../lib/site_perl/5.16.1/sun4-solaris ../lib/site_perl/5.16.1 ../lib/5.16.1/sun4-solaris ../lib/5.16.1 .).
BEGIN failed--compilation aborted.
$ cd ~/perl5
$ find . -name Config.pm -print
./perlbrew/perls/perl-5.16.1/lib/5.16.1/sun4-solaris/Config.pm
./perlbrew/build/perl-5.16.1/lib/Config.pm
./perlbrew/Config.pm
# I filtered out some other Config.pms