cd .. ; if [ ! -e ./CROSS_PATCHED ] ; then \
patch -p1 < Cross/Makefile.SH.patch; \
patch -p1 < Cross/installperl.patch ; mv installperl installperl-patched; \
sed -e 's/XXSTRIPXX/arm-merlin-linux/' installperl-patched > installperl; \
touch CROSS_PATCHED ; fi