From 44aafa3325ec09a120bdb81b8579b8dfd65b1693 Mon Sep 17 00:00:00 2001
From: Luca Barbato <lu_zero@gentoo.org>
Date: Thu, 6 Apr 2017 18:14:29 +0200
Subject: [PATCH] configure: Properly escape arguments in filter/filter_out
 helper functions

The arguments may contain '$', which gets interpreted by the shell.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
---
 configure | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure b/configure
index e83a4cf697..967d7d9a10 100755
--- a/configure
+++ b/configure
@@ -433,7 +433,7 @@ filter(){
     pat=$1
     shift
     for v; do
-        eval "case $v in $pat) printf '%s ' $v ;; esac"
+        eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
     done
 }
 
@@ -441,7 +441,7 @@ filter_out(){
     pat=$1
     shift
     for v; do
-        eval "case $v in $pat) ;; *) printf '%s ' $v ;; esac"
+        eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
     done
 }