I put mk_add_options MOZ_MAKE_FLAGS="-j4" to mozconfig in order to keep RAM usage lower. When I run build.sh -t desktop this option gets into mozilla-central/mozconfig.qtdesktop, but MOZ_MAKE_FLAGS="-j9" line is also added below, thus overriding my setting.
I put
mk_add_options MOZ_MAKE_FLAGS="-j4"to mozconfig in order to keep RAM usage lower. When I runbuild.sh -t desktopthis option gets into mozilla-central/mozconfig.qtdesktop, butMOZ_MAKE_FLAGS="-j9"line is also added below, thus overriding my setting.