+for ac_prog in exctags ctags
+do
+ # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo "$as_me:3659: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_CTAGS+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$CTAGS"; then
+ ac_cv_prog_CTAGS="$CTAGS" # Let the user override the test.
+else
+ ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+ IFS=$ac_save_IFS
+ test -z "$ac_dir" && ac_dir=.
+ $as_executable_p "$ac_dir/$ac_word" || continue
+ac_cv_prog_CTAGS="$ac_prog"
+echo "$as_me:3674: found $ac_dir/$ac_word" >&5
+break
+done
+
+fi
+fi
+CTAGS=$ac_cv_prog_CTAGS
+if test -n "$CTAGS"; then
+ echo "$as_me:3682: result: $CTAGS" >&5
+echo "${ECHO_T}$CTAGS" >&6
+else
+ echo "$as_me:3685: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+ test -n "$CTAGS" && break
+done
+
+for ac_prog in exetags etags
+do
+ # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo "$as_me:3696: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_ETAGS+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$ETAGS"; then
+ ac_cv_prog_ETAGS="$ETAGS" # Let the user override the test.
+else
+ ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+ IFS=$ac_save_IFS
+ test -z "$ac_dir" && ac_dir=.
+ $as_executable_p "$ac_dir/$ac_word" || continue
+ac_cv_prog_ETAGS="$ac_prog"
+echo "$as_me:3711: found $ac_dir/$ac_word" >&5
+break
+done
+
+fi
+fi
+ETAGS=$ac_cv_prog_ETAGS
+if test -n "$ETAGS"; then
+ echo "$as_me:3719: result: $ETAGS" >&5
+echo "${ECHO_T}$ETAGS" >&6
+else
+ echo "$as_me:3722: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+ test -n "$ETAGS" && break
+done
+
+# Extract the first word of "${CTAGS-ctags}", so it can be a program name with args.
+set dummy ${CTAGS-ctags}; ac_word=$2
+echo "$as_me:3731: checking for $ac_word" >&5