1 files changed, 53 insertions, 8 deletions
diff --git a/import-layers/yocto-poky/meta/lib/oe/utils.py b/import-layers/yocto-poky/meta/lib/oe/utils.py
index 330a5ff94a..643ab78df7 100644
--- a/import-layers/yocto-poky/meta/lib/oe/utils.py
+++ b/import-layers/yocto-poky/meta/lib/oe/utils.py
@@ -126,6 +126,46 @@ def features_backfill(var,d):
     if addfeatures:
         d.appendVar(var, " " + " ".join(addfeatures))
 
+def all_distro_features(d, features, truevalue="1", falsevalue=""):
+    """
+    Returns truevalue if *all* given features are set in DISTRO_FEATURES,
+    else falsevalue. The features can be given as single string or anything
+    that can be turned into a set.
+
+    This is a shorter, more flexible version of
+    bb.utils.contains("DISTRO_FEATURES", features, truevalue, falsevalue, d).
+
+    Without explicit true/false values it can be used directly where
+    Python expects a boolean:
+       if oe.utils.all_distro_features(d, "foo bar"):
+           bb.fatal("foo and bar are mutually exclusive DISTRO_FEATURES")
+
+    With just a truevalue, it can be used to include files that are meant to be
+    used only when requested via DISTRO_FEATURES:
+       require ${@ oe.utils.all_distro_features(d, "foo bar", "foo-and-bar.inc")
+    """
+    return bb.utils.contains("DISTRO_FEATURES", features, truevalue, falsevalue, d)
+
+def any_distro_features(d, features, truevalue="1", falsevalue=""):
+    """
+    Returns truevalue if at least *one* of the given features is set in DISTRO_FEATURES,
+    else falsevalue. The features can be given as single string or anything
+    that can be turned into a set.
+
+    This is a shorter, more flexible version of
+    bb.utils.contains_any("DISTRO_FEATURES", features, truevalue, falsevalue, d).
+
+    Without explicit true/false values it can be used directly where
+    Python expects a boolean:
+       if not oe.utils.any_distro_features(d, "foo bar"):
+           bb.fatal("foo, bar or both must be set in DISTRO_FEATURES")
+
+    With just a truevalue, it can be used to include files that are meant to be
+    used only when requested via DISTRO_FEATURES:
+       require ${@ oe.utils.any_distro_features(d, "foo bar", "foo-or-bar.inc")
+
+    """
+    return bb.utils.contains_any("DISTRO_FEATURES", features, truevalue, falsevalue, d)
 
 def packages_filter_out_system(d):
     """
@@ -184,25 +224,30 @@ def multiprocess_exec(commands, function):
     def init_worker():
         signal.signal(signal.SIGINT, signal.SIG_IGN)
 
+    fails = []
+
+    def failures(res):
+        fails.append(res)
+
     nproc = min(multiprocessing.cpu_count(), len(commands))
     pool = bb.utils.multiprocessingpool(nproc, init_worker)
-    imap = pool.imap(function, commands)
 
     try:
-        res = list(imap)
+        mapresult = pool.map_async(function, commands, error_callback=failures)
+
         pool.close()
         pool.join()
-        results = []
-        for result in res:
-            if result is not None:
-                results.append(result)
-        return results
-
+        results = mapresult.get()
     except KeyboardInterrupt:
         pool.terminate()
         pool.join()
         raise
 
+    if fails:
+        raise fails[0]
+
+    return results
+
 def squashspaces(string):
     import re
     return re.sub("\s+", " ", string).strip()