export CFLAGS="${CFLAGS//-O3/-O2}" && export CXXFLAGS="${CXXFLAGS//-O3/-O2}" && export MOZ_CO_PROJECT=calendar && export BUILD_OFFICIAL=1 && export MOZILLA_OFFICIAL=1 && OPTS="--with-pthreads \ --with-default-mozilla-five-home=$INSTALL_ROOT/usr/lib/$SPELL \ --enable-application=calendar \ --enable-extensions=default \ --disable-system-cairo \ --disable-updater \ --disable-installer \ --disable-tests \ --disable-xpfe-components \ $OPTS" && make_single && default_build