ln -sf %{_kernelsrcdir}/include/linux/autoconf-$cfg.h o/include/linux/autoconf.h
%if %{with dist_kernel}
- %{__make} -C %{_kernelsrcdir} O=$PWD/o prepare scripts
+ %{__make} -j1 -C %{_kernelsrcdir} O=$PWD/o prepare scripts
%else
install -d o/include/config
touch o/include/config/MARKER