From 5e796c5e94e442797b6fe93aa81ff32b41dfb715 Mon Sep 17 00:00:00 2001
From: Marcel Raad <raad@teamviewer.com>
Date: Thu, 1 Jun 2017 17:46:32 +0200
Subject: curl-compilers.m4: escape square brackets in regex

Otherwise, they are removed in the final configure file.
Also changed sed to "$SED" like in most other calls in this file.
---
 m4/curl-compilers.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/m4/curl-compilers.m4 b/m4/curl-compilers.m4
index dcca88493..88e9d67ba 100644
--- a/m4/curl-compilers.m4
+++ b/m4/curl-compilers.m4
@@ -84,7 +84,7 @@ AC_DEFUN([CURL_CHECK_COMPILER_CLANG], [
   if test "$curl_cv_have_def___clang__" = "yes"; then
     AC_MSG_RESULT([yes])
     compiler_id="CLANG"
-    clangver=`$CC -v 2>&1 | grep version | sed "s/.*version \([0-9]*\.[0-9]*\).*/\1/"`
+    clangver=`$CC -v 2>&1 | grep version | "$SED" 's/.*version \(@<:@0-9@:>@*\.@<:@0-9@:>@*\).*/\1/'`
     clangvhi=`echo $clangver | cut -d . -f1`
     clangvlo=`echo $clangver | cut -d . -f2`
     compiler_num=`(expr $clangvhi "*" 100 + $clangvlo) 2>/dev/null`
-- 
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