ac_add_options --disable-optimize ac_add_options --enable-debug ac_add_options --enable-libxul ac_add_options --enable-application=browser ac_add_options --enable-tests ac_add_options --enable-trace-malloc ac_add_options --enable-accessibility # For NSS symbols export MOZ_DEBUG_SYMBOLS=1 ac_add_options --enable-debug-symbols="-gdwarf-2" # Enable parallel compiling mk_add_options MOZ_MAKE_FLAGS="-j4" # Needed to enable breakpad in application.ini export MOZILLA_OFFICIAL=1