- add ceedling/cmock/unity as testing framework and support

- unified makefile project for the whole repos
- new separate project for tests

tests/vendor/ceedling/lib/makefile.rb

@@ -0,0 +1,46 @@
+
+# modified version of Rake's provided make-style dependency loader
+# customizations: 
+#  (1) handles windows drives in paths -- colons don't confuse task demarcation
+#  (2) handles spaces in directory paths
+
+module Rake
+
+  # Makefile loader to be used with the import file loader.
+  class MakefileLoader
+
+    # Load the makefile dependencies in +fn+.
+    def load(fn)
+      open(fn) do |mf|
+        lines = mf.read
+        lines.gsub!(/#[^\n]*\n/m, "") # remove comments
+        lines.gsub!(/\\\n/, ' ')      # string together line continuations into single line
+        lines.split("\n").each do |line|
+          process_line(line)
+        end
+      end
+    end
+
+    private
+
+    # Process one logical line of makefile data.
+    def process_line(line)
+      # split on presence of task demaractor followed by space (i.e don't get confused by a colon in a win path)
+      file_tasks, args = line.split(/:\s/)
+
+      return if args.nil?
+      
+      # split at non-escaped space boundary between files (i.e. escaped spaces in paths are left alone)
+      dependents = args.split(/\b\s+/)
+      # replace escaped spaces and clean up any extra whitespace
+      dependents.map! { |path| path.gsub(/\\ /, ' ').strip }
+
+      file_tasks.strip.split.each do |file_task|
+        file file_task => dependents
+      end
+    end
+  end
+
+  # Install the handler
+  Rake.application.add_loader('mf', MakefileLoader.new)
+end