compat: ckmake: do not start all build at the same time

When all builds are started at the same time this causes problems like,
because all threads want to access the same file.

In the compat-drivers build this resulted in this error for some threads:
./scripts/gen-compat-autoconf.sh: /usr/bin/env: bad interpreter: Text file busy

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

diff --git a/bin/ckmake b/bin/ckmake
index f5f46b01bf04918524f1c34e7ddf4a945ddf589e..3d30bee84914ba4bd40026fed015699d081b92c3 100755 (executable)
--- a/bin/ckmake
+++ b/bin/ckmake
@@ -22,6 +22,7 @@ import signal
 from Queue import *
 from threading import Thread, Lock
 from shutil import copytree, ignore_patterns, rmtree, copyfileobj
+from time import sleep
 
 releases_processed = []
 releases_baking = []
@@ -277,6 +278,7 @@ class kernel_set():
        def kick_threads(self):
                for rel in self.releases:
                        self.queue.put(rel)
+                       sleep(1)
        def wait_threads(self):
                self.queue.join()
        def update_status(self, rel, status):