ac_add_options --enable-xft
ac_add_options --disable-freetype2
ac_add_options --enable-pango
ac_add_options --disable-necko-small-buffers
ac_add_options --disable-old-abi-compat-wrappers

ac_add_options --with-system-jpeg
ac_add_options --with-system-bz2
ac_add_options --disable-js-binary

ac_add_options --disable-crashreporter
ac_add_options --enable-wave
ac_add_options --enable-gstreamer

ac_add_options --disable-accessibility
ac_add_options --disable-updater # ???
ac_add_options --disable-xmlextras # Seems it not used anymore
ac_add_options --enable-feeds
ac_add_options --disable-url-classifier
ac_add_options --disable-safe-browsing

ac_add_options --disable-native-uconv # required 325_BUG_native_uconv_XML.dpatch 330_BUG_native_iconv.fix.dpatch
ac_add_options --enable-plugins # Flash/Media/Default....
ac_add_options --enable-rdf # Required for extensions manager
ac_add_options --disable-plaintext-editor-only # Enable RICH EDIT
ac_add_options --enable-xpfe-components # Will add only directory+ftp viewer with profile minimal