providers.py: When a regexp fails to compile for PACKAGES_DYNAMIC, print a more useful error (#4444)

2 files changed, 6 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index a58b38e93..44889e3e6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -141,6 +141,7 @@ Changes in Bitbake 1.9.x:
 	- Make sure expandKeys has been called on the data dictonary before running tasks
 	- Correctly add a task override in the form task-TASKNAME.
 	- Revert the '-' character fix in class names since it breaks things
+	- When a regexp fails to compile for PACKAGES_DYNAMIC, print a more useful error (#4444)
 
 Changes in Bitbake 1.8.0:
 	- Release 1.7.x as a stable series
diff --git a/lib/bb/providers.py b/lib/bb/providers.py
index 0ad5876ef..1bd1a39fa 100644
--- a/lib/bb/providers.py
+++ b/lib/bb/providers.py
@@ -296,7 +296,11 @@ def getRuntimeProviders(dataCache, rdepend):
 
     # Only search dynamic packages if we can't find anything in other variables
     for pattern in dataCache.packages_dynamic:
-        regexp = re.compile(pattern)
+        try:
+            regexp = re.compile(pattern)
+	except:
+            bb.msg.error(bb.msg.domain.Provider, "Error parsing re expression: %s" % pattern)
+	    raise
         if regexp.match(rdepend):
             rproviders += dataCache.packages_dynamic[pattern]