ref: dd018ff492773b6be8bd786a026cbb1d5ca9c24e dir: /plugins/Makefile.am/
if HAVE_MPEG4IP_PLUG if HAVE_XMMS SUBDIRS = xmms mpeg4ip else SUBDIRS = mpeg4ip endif else if HAVE_XMMS SUBDIRS = xmms else SUBDIRS = endif endif