depends autoconf	&&
depends automake	&&
depends pkgconfig	&&
depends libtool		&&

optional_depends "libvorbis"		\
		 "--enable-libvorbis"	\
		 "--disable-libvorbis"	\
		 "to enable Vorbis support" &&

optional_depends "ImageMagick"		\
		 "--enable-imagemagick"	\
		 "--disable-imagemagick" \
		 "to enable ImageMagick support" &&

optional_depends "gdbm"			\
		 "--enable-libdb"	\
		 "--disable-libdb"	\
		 "to enable supernode support"
