[oe] [PATCH] Enable --ignore-deps options to access regular expression string

[Guo Hongruan]

1. Add a function named re_match_strings(target,strings), to match
   target using the string in strings which can be regular expression
---
 lib/bb/taskdata.py |   21 +++++++++++++++++----
 1 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/lib/bb/taskdata.py b/lib/bb/taskdata.py
index 45f6902..3935e09 100644
--- a/lib/bb/taskdata.py
+++ b/lib/bb/taskdata.py
@@ -26,6 +26,19 @@ Task data collection and handling
 from bb import data, event, mkdirhier, utils
 import bb, os
 
+def re_match_strings(target, strings):
+    """
+    Whether or not the string 'target' matches 
+    any one string of the strings which can be regular expression string
+    """
+    import re
+
+    for name in strings:
+        if (name==target or 
+                re.search(name,target)!=None):
+            return True
+    return False
+
 class TaskData:
     """
     BitBake Task Data implementation
@@ -262,7 +275,7 @@ class TaskData:
         """
         unresolved = []
         for target in self.build_names_index:
-            if target in dataCache.ignored_dependencies:
+            if re_match_strings(target, dataCache.ignored_dependencies):
                 continue
             if self.build_names_index.index(target) in self.failed_deps:
                 continue
@@ -277,7 +290,7 @@ class TaskData:
         """
         unresolved = []
         for target in self.run_names_index:
-            if target in dataCache.ignored_dependencies:
+            if re_match_strings(target, dataCache.ignored_dependencies):
                 continue
             if self.run_names_index.index(target) in self.failed_rdeps:
                 continue
@@ -357,7 +370,7 @@ class TaskData:
         added internally during dependency resolution
         """
 
-        if item in dataCache.ignored_dependencies:
+        if re_match_strings(item, dataCache.ignored_dependencies):
             return
 
         if not item in dataCache.providers:
@@ -408,7 +421,7 @@ class TaskData:
         (takes item names from RDEPENDS/PACKAGES namespace)
         """
 
-        if item in dataCache.ignored_dependencies:
+        if re_match_strings(item, dataCache.ignored_dependencies):
             return
 
         if self.have_runtime_target(item):
-- 
1.5.4.3