Allow operations other than assignment on flag variables (from trunk)

2 files changed, 12 insertions, 5 deletions

diff --git a/ChangeLog b/ChangeLog
index 093b42d3f..0cb85db87 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,7 @@ Changes in Bitbake 1.8.2:
 	- Catch truncated cache file errors
 	- Add PE (Package Epoch) support from Philipp Zabel (pH5)
 	- Add code to handle inter-task dependencies
+	- Allow operations other than assignment on flag variables
 
 Changes in Bitbake 1.8.0:
 	- Release 1.7.x as a stable series
diff --git a/lib/bb/parse/parse_py/ConfHandler.py b/lib/bb/parse/parse_py/ConfHandler.py
index 1ae673079..0e05928d8 100644
--- a/lib/bb/parse/parse_py/ConfHandler.py
+++ b/lib/bb/parse/parse_py/ConfHandler.py
@@ -161,6 +161,12 @@ def handle(fn, data, include = 0):
     return data
 
 def feeder(lineno, s, fn, data):
+    def getFunc(groupd, key, data):
+        if 'flag' in groupd and groupd['flag'] != None:
+            return bb.data.getVarFlag(key, groupd['flag'], data)
+        else:
+            return bb.data.getVar(key, data)
+
     m = __config_regexp__.match(s)
     if m:
         groupd = m.groupdict()
@@ -168,19 +174,19 @@ def feeder(lineno, s, fn, data):
         if "exp" in groupd and groupd["exp"] != None:
             bb.data.setVarFlag(key, "export", 1, data)
         if "ques" in groupd and groupd["ques"] != None:
-            val = bb.data.getVar(key, data)
+            val = getFunc(groupd, key, data)
             if val == None:
                 val = groupd["value"]
         elif "colon" in groupd and groupd["colon"] != None:
             val = bb.data.expand(groupd["value"], data)
         elif "append" in groupd and groupd["append"] != None:
-            val = "%s %s" % ((bb.data.getVar(key, data) or ""), groupd["value"])
+            val = "%s %s" % ((getFunc(groupd, key, data) or ""), groupd["value"])
         elif "prepend" in groupd and groupd["prepend"] != None:
-            val = "%s %s" % (groupd["value"], (bb.data.getVar(key, data) or ""))
+            val = "%s %s" % (groupd["value"], (getFunc(groupd, key, data) or ""))
         elif "postdot" in groupd and groupd["postdot"] != None:
-            val = "%s%s" % ((bb.data.getVar(key, data) or ""), groupd["value"])
+            val = "%s%s" % ((getFunc(groupd, key, data) or ""), groupd["value"])
         elif "predot" in groupd and groupd["predot"] != None:
-            val = "%s%s" % (groupd["value"], (bb.data.getVar(key, data) or ""))
+            val = "%s%s" % (groupd["value"], (getFunc(groupd, key, data) or ""))
         else:
             val = groupd["value"]
         if 'flag' in groupd and groupd['flag'] != None: