Avoid a non-portable use of tar reported by Roman Leshchinskiy

diff --git a/boot-pkgs b/boot-pkgs
index 31ad53c..e455426 100644 (file)
--- a/boot-pkgs
+++ b/boot-pkgs
@@ -22,7 +22,7 @@ do
             mkdir "libraries/$p"
             (
                 cd "libraries/$p"
-                tar -zxf ../../$tarball
+                cat ../../$tarball | gzip -d | tar xf -
                 mv */* .
             )
             touch "$stamp"