From: Marcel Raad <raad@teamviewer.com>
Date: Thu, 1 Jun 2017 15:46:32 +0000 (+0200)
Subject: curl-compilers.m4: escape square brackets in regex
X-Git-Tag: curl-7_54_1~54
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5e796c5e94e442797b6fe93aa81ff32b41dfb715;p=thirdparty%2Fcurl.git

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.
---

diff --git a/m4/curl-compilers.m4 b/m4/curl-compilers.m4
index dcca88493f..88e9d67ba2 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`