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Diffstat (limited to 'm4/ax_prog_flex.m4')
| -rw-r--r-- | m4/ax_prog_flex.m4 | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/m4/ax_prog_flex.m4 b/m4/ax_prog_flex.m4 index 82fbc30c32b..1f1f5977613 100644 --- a/m4/ax_prog_flex.m4 +++ b/m4/ax_prog_flex.m4 @@ -42,7 +42,7 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 9 +#serial 12 # mattst88: # Replaced m4_ifnblank(...) with m4_ifval(m4_normalize(...), ...) @@ -53,7 +53,7 @@ AC_DEFUN([AX_PROG_FLEX], [ AC_REQUIRE([AC_PROG_EGREP]) AC_CACHE_CHECK([if flex is the lexer generator],[ax_cv_prog_flex],[ - AS_IF([$LEX --version 2>/dev/null | $EGREP -q '^\<flex\>'], + AS_IF([$LEX --version 2>/dev/null | $EGREP -qw '^g?flex'], [ax_cv_prog_flex=yes], [ax_cv_prog_flex=no]) ]) AS_IF([test "$ax_cv_prog_flex" = "yes"], |