mbed official / mbed-sdk-tools

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Diff: toolchains/__init__.py

Revision:
41:2a77626a4c21
Parent:
40:7d3fa6b99b2b
Child:
43:2a7da56ebd24
--- a/toolchains/__init__.py	Tue Oct 10 16:56:30 2017 -0500
+++ b/toolchains/__init__.py	Wed Oct 25 14:46:50 2017 -0500
@@ -615,7 +615,8 @@
             self.ignore_patterns.extend(normcase(p) for p in patterns)
         else:
             self.ignore_patterns.extend(normcase(join(real_base, pat)) for pat in patterns)
-        self._ignore_regex = re.compile("|".join(fnmatch.translate(p) for p in self.ignore_patterns))
+        if self.ignore_patterns:
+            self._ignore_regex = re.compile("|".join(fnmatch.translate(p) for p in self.ignore_patterns))
 
     # Create a Resources object from the path pointed to by *path* by either traversing a
     # a directory structure, when *path* is a directory, or adding *path* to the resources,