TAR=`which gtar 2>/dev/null`; \
[ -n "$$TAR" -a -x "$$TAR" ] || TAR=`which tar 2>/dev/null`; \
echo "TAR:=$$TAR" >> $@; \
- ZCAT=`which gzcat 2>/dev/null`; \
- [ -n "$$ZCAT" -a -x "$$ZCAT" ] || ZCAT=`which zcat 2>/dev/null`; \
- echo "ZCAT:=$$ZCAT" >> $@; \
echo "BASH:=$(shell which bash)" >> $@; \
)