com php-src: make the bison version check a blacklist: Zend/acinclude.m4

Commit: 3e41201a6fec870f89c1129d1c5b3544fd3f2ac0 Author: Michael Wallner <mike@php.net> Thu, 8 Aug 2013 14:27:32 +0200 Parents: d8344c18a8d39d293fd8e37ec6d577624a1b0238 Branches: master Link: http://git.php.net/?p=php-src.git;a=commitdiff;h=3e41201a6fec870f89c1129d1c5b3544fd3f2ac0 Log: make the bison version check a blacklist Let the bison version be checked by a blacklist (where no version is blacklisted yet) and require at least bison 2.4 Changed paths: M Zend/acinclude.m4 Diff: diff --git a/Zend/acinclude.m4 b/Zend/acinclude.m4 index 454513f..11cdbf7 100644 --- a/Zend/acinclude.m4 +++ b/Zend/acinclude.m4 @@ -3,8 +3,9 @@ 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 + bison_version_min="204" + bison_version_exclude="" # for standalone build of Zend Engine test -z "$SED" && SED=sed @@ -12,23 +13,27 @@ AC_DEFUN([LIBZEND_BISON_CHECK],[ bison_version=none if test "$YACC"; then AC_CACHE_CHECK([for bison version], php_cv_bison_version, [ - bison_version_vars=bison --version 2> /dev/null | grep 'GNU Bison' | cut -d ' ' -f 4 | $SED -e 's/\./ /' | tr -d a-z + bison_version_vars=bison --version 2> /dev/null | grep 'GNU Bison' | cut -d ' ' -f 4 | $SED -e 's/\./ /g' | tr -d a-z php_cv_bison_version=invalid if test -n "$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;" ;;