configure: add filter_out() function

This adds a function to filter out words matching a pattern
from a list.

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 9d201b260627aacdb00e4a54622849aca11d85ee)

1 files changed, 8 insertions, 0 deletions

diff --git a/configure b/configure
index cb4fe8807c..8f34e97314 100755
--- a/configure
+++ b/configure
@@ -321,6 +321,14 @@ filter(){
     done
 }
 
+filter_out(){
+    pat=$1
+    shift
+    for v; do
+        eval "case $v in $pat) ;; *) echo $v ;; esac"
+    done
+}
+
 map(){
     m=$1
     shift