intel/isl: Codify AUX operations in an enum

[mesa.git] / m4 / ax_prog_flex.m4

diff --git a/m4/ax_prog_flex.m4 b/m4/ax_prog_flex.m4
index 82fbc30c32bc35b97c7e96ab7ebd66af4cd69df6..1f1f5977613dc3524fd4440d1344ff61dee7378d 100644 (file)
--- 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"],