From: Andrei Borzenkov <arvidjaar@gmail.com>
Date: Fri, 27 Nov 2015 16:42:23 +0000 (+0300)
Subject: configure: fix macports flex version detection
X-Git-Tag: 2.02-beta3~165
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=a2618427857c7013a6d3107eb3b9be2d526a69ed;p=thirdparty%2Fgrub.git

configure: fix macports flex version detection

Macports add extra information after version itself:

$flex --version
flex 2.5.35 Apple(flex-31)

We require at least felx 2.5.35 so do not need to care about prehistoric
"flex version n.n.n"; just use second field always.

Reported by Peter Cheung <mcheung63@hotmail.com>
---

diff --git a/configure.ac b/configure.ac
index 9e8a606a6..3300545e0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -315,7 +315,7 @@ AC_PROG_LN_S
 if test "x$LEX" = "x:"; then
   AC_MSG_ERROR([flex is not found])
 else
-  version=`$LEX --version | $AWK '{ split($NF,x,"."); print x[[1]]*10000+x[[2]]*100+x[[3]]; }'`
+  version=`$LEX --version | $AWK '{ split($2,x,"."); print x[[1]]*10000+x[[2]]*100+x[[3]]; }'`
   if test -n "$version" -a "$version" -ge 20535; then
     :
   else