-esac
-
-# normalize program name to check for.
-program=`echo "$1" | sed '
- s/^gnu-//; t
- s/^gnu//; t
- s/^g//; t'`
-
-# Now exit if we have it, but it failed. Also exit now if we
-# don't have it and --version was passed (most likely to detect
-# the program). This is about non-GNU programs, so use $1 not
-# $program.
-case $1 in
- lex*|yacc*)
- # Not GNU programs, they don't have --version.
- ;;
-
- tar*)
- if test -n "$run"; then
- echo 1>&2 "ERROR: \`tar' requires --run"
- exit 1
- elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
- exit 1
- fi
- ;;
-
- *)