Mozconfig

 # This file specifies the build flags for Firefox.  You can use it by adding:
 #  . $topsrcdir/browser/config/mozconfig
 # to the top of your mozconfig file.

mk_add_options MOZ_CO_PROJECT=browser

ac_add_options --enable-application=browser

ac_add_options --enable-default-toolkit=gtk ac_add_options --enable-optimize=-Os

ac_add_options --disable-debug

ac_add_options --disable-freetype2

ac_add_options --prefix=/usr