[OE-core] [PATCH] update-alternatives: Fix determinism issue
Richard Purdie
richard.purdie at linuxfoundation.org
Mon May 9 13:12:16 UTC 2016
getVarFlags returns a dict and there is therefore no sort order. This
means the order of the X_VARDEPS_X variables can change and hence the
task checksums can change. This can lead to rebuilds of any parts of
the system using update-alternatives and their dependees. This is a
particular issue under python v3.
Add in a sort to make the order of the variables deterministic.
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
diff --git a/meta/classes/update-alternatives.bbclass b/meta/classes/update-alternatives.bbclass
index 70a8185..1fdd681 100644
--- a/meta/classes/update-alternatives.bbclass
+++ b/meta/classes/update-alternatives.bbclass
@@ -71,14 +71,14 @@ def gen_updatealternativesvardeps(d):
# First compute them for non_pkg versions
for v in vars:
- for flag in (d.getVarFlags(v) or {}):
+ for flag in sorted((d.getVarFlags(v) or {}).keys()):
if flag == "doc" or flag == "vardeps" or flag == "vardepsexp":
continue
d.appendVar('%s_VARDEPS' % (v), ' %s:%s' % (flag, d.getVarFlag(v, flag, False)))
for p in pkgs:
for v in vars:
- for flag in (d.getVarFlags("%s_%s" % (v,p)) or {}):
+ for flag in sorted((d.getVarFlags("%s_%s" % (v,p)) or {}).keys()):
if flag == "doc" or flag == "vardeps" or flag == "vardepsexp":
continue
d.appendVar('%s_VARDEPS_%s' % (v,p), ' %s:%s' % (flag, d.getVarFlag('%s_%s' % (v,p), flag, False)))
--
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