dependent ports and convert them to USES=libtool too.
audio/scrobbler:
- USES=tar:bzip2.
- Don't link with libstdc++.
audio/xmms-bonk:
- Don't link with libstdc++.
audio/xmms-flac:
- Remove unneeded dependencies.
- Remove $FreeBSD$ from patches.
audio/xmms-scrobbler:
- Use OPTIONS_SLAVE.
audio/xmms-timidity:
- USES=tar:bzip2.
- Install the library instead of the source code file.
audio/xmms-volnorm:
- Remove do-install.
2ffbea1568