diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 53 |
1 files changed, 37 insertions, 16 deletions
diff --git a/configure b/configure index cde55de15f..ce0c6a01f1 100755 --- a/configure +++ b/configure @@ -5330,27 +5330,26 @@ $as_echo "no" >&6; } fi -# Extract the first word of "bison", so it can be a program name with args. -set dummy bison; ac_word=$2 +for ac_prog in bison +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } -if ${ac_cv_path_BISON+:} false; then : +if ${ac_cv_prog_BISON+:} false; then : $as_echo_n "(cached) " >&6 else - case $BISON in - [\\/]* | ?:[\\/]*) - ac_cv_path_BISON="$BISON" # Let the user override the test with a path. - ;; - *) - as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -as_dummy="$PATH:/usr/local/bin:/usr/bin:/bin" -for as_dir in $as_dummy + if test -n "$BISON"; then + ac_cv_prog_BISON="$BISON" # Let the user override the test. +else +as_save_IFS=$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 '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then - ac_cv_path_BISON="$as_dir/$ac_word$ac_exec_ext" + ac_cv_prog_BISON="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi @@ -5358,11 +5357,9 @@ done done IFS=$as_save_IFS - test -z "$ac_cv_path_BISON" && ac_cv_path_BISON="no" - ;; -esac fi -BISON=$ac_cv_path_BISON +fi +BISON=$ac_cv_prog_BISON if test -n "$BISON"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $BISON" >&5 $as_echo "$BISON" >&6; } @@ -5372,6 +5369,30 @@ $as_echo "no" >&6; } fi + test -n "$BISON" && break +done + +if test -z "$BISON"; then + ac_verc_fail=yes +else + # Found it, now check the version. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $BISON" >&5 +$as_echo_n "checking version of $BISON... " >&6; } + ac_prog_version=`$BISON --version 2>&1 | sed -n 's/^.*bison (GNU Bison) \([0-9]*\.[0-9.]*\).*$/\1/p'` + case $ac_prog_version in + '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; + 2.7*|[3-9].*|[1-9][0-9]*) + ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; + *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; + + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5 +$as_echo "$ac_prog_version" >&6; } +fi +if test $ac_verc_fail = yes; then + BISON=no +fi + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libc-friendly stddef.h" >&5 $as_echo_n "checking for libc-friendly stddef.h... " >&6; } |