diff -r dd94b9a68c61 -r 92932cd370a4 targets/toolchain_makefile.py
--- a/targets/toolchain_makefile.py	Tue Aug 15 16:01:18 2017 +0300
+++ b/targets/toolchain_makefile.py	Tue Aug 15 16:48:49 2017 +0300
@@ -84,7 +84,7 @@
         return reduce(operator.concat, map(self.concat_deps, deps), src)
 
     def build(self):
-        srcfiles= []
+        srcfiles = []
         cflags = []
         wholesrcdata = ""
         for Location, CFilesAndCFLAGS, DoCalls in self.CTRInstance.LocationCFilesAndCFLAGS: