ac_add_options --disable-tests
ac_add_options --disable-debug
ac_add_options --enable-optimize=-O2
ac_add_options --without-system-nspr
ac_add_options --without-system-zlib
ac_add_options --without-system-jpeg
ac_add_options --without-system-png
ac_add_options --without-system-mng
ac_add_options --enable-extensions=wallet
ac_add_options --enable-necko-protocols=http,file,jar,viewsource,res,data
ac_add_options --enable-crypto
ac_add_options --disable-mathml
ac_add_options --disable-activex
ac_add_options --disable-activex-scripting
ac_add_options --disable-disk-cache
ac_add_options --disable-profilesharing
ac_add_options --disable-xprint
ac_add_options --disable-dtd-debug
ac_add_options --disable-freetype2
ac_add_options --enable-xft
ac_add_options --enable-default-toolkit=gtk2
ac_add_options --enable-image-decoders=png,gif,jpeg
mk_add_options MOZ_THUNDERBIRD=1
MOZ_THUNDERBIRD=1