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| author | Hartmut Holzgraefe <hholzgra@php.net> | 2005-05-29 19:28:34 +0000 |
|---|---|---|
| committer | Hartmut Holzgraefe <hholzgra@php.net> | 2005-05-29 19:28:34 +0000 |
| commit | 522159468c1746378ff021fcd250722de14c5676 (patch) | |
| tree | fc4b22bcef03adfb870baf962b2c8463d3173e72 /acinclude.m4 | |
| parent | d1f653bd083da6a43618b53c3bea5a0de7eb8e6c (diff) | |
| download | php-git-522159468c1746378ff021fcd250722de14c5676.tar.gz | |
simplify flex version test
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 3af01d0b0e..db2cd40ab2 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -1951,6 +1951,9 @@ dnl dnl Search for (f)lex and check it's version dnl AC_DEFUN([PHP_PROG_LEX], [ + # we only support certain flex versions + flex_version_list="2.5.4" + AC_PROG_LEX if test -n "$LEX"; then AC_DECL_YYTEXT @@ -1964,22 +1967,21 @@ AC_DEFUN([PHP_PROG_LEX], [ LEX_CFLAGS="-DYY_USE_CONST" fi - if test "$LEX" ;then + if test "$LEX"; then AC_CACHE_CHECK([for flex version], php_cv_flex_version, [ - flexvers=`echo "" | $LEX -V -v --version 2>/dev/null | $SED -e 's/^.* //' -e 's/\./ /g'` - if test ! -z "$flexvers"; then - set $flexvers - if test "${1}" != "2" -o "${2}" != "5" -o "${3}" != "4"; then - php_cv_flex_version=invalid - else - php_cv_flex_version="${1}.${2}.${3} (ok)" + flex_version=`$LEX -V -v --version 2>/dev/null | $SED -e 's/^.* //'` + php_cv_flex_version=invalid + for flex_check_version in $flex_version_list; do + if test "$flex_version" = "$flex_check_version"; then + php_cv_flex_version="$flex_check_version (ok)" fi - fi + done ]) fi case $php_cv_flex_version in ""|invalid[)] - AC_MSG_WARN([You will need flex 2.5.4 if you want to regenerate Zend/PHP lexical parsers.]) + flex_msg="flex versions supported for regeneration of the Zend/PHP parsers: $flex_version_list (found $flex_version)." + AC_MSG_WARN([$flex_msg]) LEX="exit 0;" ;; esac |