To build, in addition to dependencies (loaded -dev.tcz where applicable), the following extensions were loaded:
curl-dev.tcz
glib2-dev.tcz
gob2.tcz (from TC4.x repo)
gtk2-dev.tcz
hicolor-icon-theme.tcz
intltool.tcz
libglade-dev.tcz
libsoup-dev.tcz
libtool-dev.tcz

Notes:
split out files into libmpd and libmpd-dev