portability: Support systems without /dev/zero

diff --git a/test.sh b/test.sh
index 290830ba038b3c92e10793cc66cff9cd3fbe0ddf..d4c6911f229b89be744a615aad664dc202127520 100755 (executable)
--- a/test.sh
+++ b/test.sh
@@ -1430,7 +1430,7 @@ prepare_cleanup_test() {
     mkdir -p $dir
     i=0
     while [ $i -lt 10 ]; do
-        dd if=/dev/zero of=$dir/result$i-4017.o count=1 bs=4017 2>/dev/null
+        perl -e 'print "A" x 4017' >$dir/result$i-4017.o
         touch $dir/result$i-4017.stderr
         touch $dir/result$i-4017.d
         if [ $i -gt 5 ]; then