poudriere: http://space.kvedulv.de/FreeBSD/rubygem-attr_required-1.0.0.log
portlint:
```
mmoll@marduk:/svn/ports/security/rubygem-attr_required$ portlint -ACNc
WARN: Makefile: [19]: possible use of "${CHMOD}" found. Use @(owner,group,mode) syntax or @owner/@group operators in pkg-plist instead.
0 fatal errors and 1 warning found.
```