-# GNU M4 is needed to build the testsuite.
-for ac_prog in gm4 gnum4 m4
-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:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_path_M4+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- case $M4 in
- [\\/]* | ?:[\\/]*)
- ac_cv_path_M4="$M4" # Let the user override the test with a path.
- ;;
- *)
- as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_path_M4="$as_dir/$ac_word$ac_exec_ext"
- echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
-done
-
- ;;
-esac
-fi
-M4=$ac_cv_path_M4
-
-if test -n "$M4"; then
- echo "$as_me:$LINENO: result: $M4" >&5
-echo "${ECHO_T}$M4" >&6
-else
- echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
-fi
-
- test -n "$M4" && break
-done
-test -n "$M4" || M4="m4"
-
-echo "$as_me:$LINENO: checking whether m4 supports frozen files" >&5
-echo $ECHO_N "checking whether m4 supports frozen files... $ECHO_C" >&6
-if test "${ac_cv_prog_gnu_m4+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- ac_cv_prog_gnu_m4=no
-if test x"$M4" != x; then
- case `$M4 --help < /dev/null 2>&1` in
- *reload-state*) ac_cv_prog_gnu_m4=yes ;;
- esac
-fi
-fi
-echo "$as_me:$LINENO: result: $ac_cv_prog_gnu_m4" >&5
-echo "${ECHO_T}$ac_cv_prog_gnu_m4" >&6
-
-if test "$ac_cv_prog_gnu_m4" != yes; then
- missing_dir=`cd $ac_aux_dir && pwd`
- M4="$missing_dir/missing m4"
-fi
projects / bison.git / commitdiff
