http://users.dslextreme.com/~craig.lawson/linux_notes/x.html
Gentoo uses FontConfig. To add new fonts, either Type1 or TrueType:
Adding fonts to Ghostscript:
Into the file put:
GS_FONTPATH="/usr/share/fonts/cheapskate:/usr/share/fonts/..."
including each directory of fonts that you want Ghostscript to use. Could be either Type1 or TrueType. 3. Run env-update.
documented on: 2006.07.29