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-rw-r--r--m4/ax_prog_flex.m44
1 files changed, 2 insertions, 2 deletions
diff --git a/m4/ax_prog_flex.m4 b/m4/ax_prog_flex.m4
index 82fbc30..1f1f597 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"],