mk_add_options MOZ_CO_PROJECT=mail ac_add_options --enable-application=mail ac_add_options --disable-debug ac_add_options --enable-optimize="-O2 -gstabs+" ac_add_options --enable-official-branding ac_add_options --disable-tests ac_add_options --disable-shared ac_add_options --enable-static ac_add_options --enable-xft ac_add_options --disable-freetype2 ac_add_options --enable-default-toolkit=gtk2