- Convert to INSTALL_TARGET=install-strip
- Remove USE_AUTOTOOLS
- Let user decide about stack protector
Remove autotools related bits.  Port uses cmake.
- Fix PKGNAME collision
- Switch to USES=libtool:build
- Respect CXXFLAGS
mail/rubygem-actionmailer4: correct mail dependency

Oops, this wants the newer rubygem-mail. (It's rails 3.x that wants the older one)
mail/rubygem-actionmailer: depend on older rubygem-mail

Upstream limits this to the older version