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>

1 files changed, 2 insertions, 2 deletions

diff --git a/configure b/configure
index e83a4cf..967d7d9 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
 }