-for ac_prog in 'bison -y' byacc
-do
-# Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1173: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_YACC'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- if test -n "$YACC"; then
- ac_cv_prog_YACC="$YACC" # Let the user override the test.
-else
- IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
- ac_dummy="$PATH"
- for ac_dir in $ac_dummy; do
- test -z "$ac_dir" && ac_dir=.
- if test -f $ac_dir/$ac_word; then
- ac_cv_prog_YACC="$ac_prog"
- break
- fi
- done
- IFS="$ac_save_ifs"
-fi
-fi
-YACC="$ac_cv_prog_YACC"
-if test -n "$YACC"; then
- echo "$ac_t""$YACC" 1>&6
-else
- echo "$ac_t""no" 1>&6
-fi
-
-test -n "$YACC" && break
-done
-test -n "$YACC" || YACC="yacc"
-