diff options
Diffstat (limited to 'Zend/acinclude.m4')
| -rw-r--r-- | Zend/acinclude.m4 | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/Zend/acinclude.m4 b/Zend/acinclude.m4 index 5a521dc98c..7fa8c99940 100644 --- a/Zend/acinclude.m4 +++ b/Zend/acinclude.m4 @@ -3,8 +3,13 @@ dnl dnl This file contains local autoconf functions. AC_DEFUN([LIBZEND_BISON_CHECK],[ - # we only support certain bison versions - bison_version_list="2.4 2.4.1 2.4.2 2.4.3 2.5 2.5.1 2.6 2.6.1 2.6.2 2.6.3 2.6.4 2.6.5 2.7" + # we only support certain bison versions; + # min: 2.4 (i.e. 204, major * 100 + minor for easier comparison) + bison_version_min="204" + # non-working versions, e.g. "3.0 3.2"; + # remove "none" when introducing the first incompatible bison version an + # separate any following additions by spaces + bison_version_exclude="3.0" # for standalone build of Zend Engine test -z "$SED" && SED=sed @@ -17,18 +22,22 @@ AC_DEFUN([LIBZEND_BISON_CHECK],[ if test -n "$bison_version_vars"; then set $bison_version_vars bison_version="${1}.${2}" - for bison_check_version in $bison_version_list; do - if test "$bison_version" = "$bison_check_version"; then - php_cv_bison_version="$bison_check_version (ok)" - break - fi - done + bison_version_num="`expr ${1} \* 100 + ${2}`" + if test $bison_version_num -ge $bison_version_min; then + php_cv_bison_version="$bison_version (ok)" + for bison_check_version in $bison_version_exclude; do + if test "$bison_version" = "$bison_check_version"; then + php_cv_bison_version=invalid + break + fi + done + fi fi ]) fi case $php_cv_bison_version in ""|invalid[)] - bison_msg="bison versions supported for regeneration of the Zend/PHP parsers: $bison_version_list (found: $bison_version)." + bison_msg="This bison version is not supported for regeneration of the Zend/PHP parsers (found: $bison_version, min: $bison_version_min, excluded: $bison_version_exclude)." AC_MSG_WARN([$bison_msg]) YACC="exit 0;" ;; |