#Specify the cross compile export CROSS_COMPILE=1 ac_add_options --enable-application=browser ac_add_options --target=i686-w64-mingw32 ac_add_options --enable-default-toolkit=cairo-windows mk_add_options MOZ_OBJDIR=./obj-windows ac_add_options --disable-debug ac_add_options --disable-optimize ac_add_options --disable-tests ac_add_options --disable-updater ac_add_options --disable-crashreporter ac_add_options --disable-maintenance-service ac_add_options --disable-webrtc ac_add_options --without-intl-api # ac_add_options --disable-accessibility # uncomment if you don't have widl installed # Use parallel build. Adjust number of processes for your setup. mk_add_options MOZ_MAKE_FLAGS=-j8 ac_add_options --with-ccache