%{!?kobjdir: %define kobjdir %(dir=$(echo "%configure_args" | sed -ne 's/.*--with-linux-obj=\\([^ ][^ ]*\\).*$/\\1/p'); if [ -n "$dir" ]; then echo "$dir"; else echo "%kdir"; fi)}
# as an alternative to this implementation we could simply "make -C $kdir kernelversion"
%{!?kobjdir: %define kobjdir %(dir=$(echo "%configure_args" | sed -ne 's/.*--with-linux-obj=\\([^ ][^ ]*\\).*$/\\1/p'); if [ -n "$dir" ]; then echo "$dir"; else echo "%kdir"; fi)}
# as an alternative to this implementation we could simply "make -C $kdir kernelversion"