- if $$TAR --version 2>&1 | grep 'GNU' >/dev/null; then \
- echo "TAR_WILDCARDS:=--wildcards" >> $@; \
- fi; \
+ ZCAT=`which gzcat 2>/dev/null`; \
+ [ -n "$$ZCAT" -a -x "$$ZCAT" ] || ZCAT=`which zcat 2>/dev/null`; \
+ echo "ZCAT:=$$ZCAT" >> $@; \
+ echo "BASH:=$(shell which bash)" >> $@; \