Describe why color_gcc.py is no longer relevant

waflib/extras/color_gcc.py

@@ -2,6 +2,9 @@
 # encoding: utf-8
 
 # Replaces the default formatter by one which understands GCC output and colorizes it.
+#
+# This is mostly obsolete as gcc/g++ provide colored outputs by default:
+#    CFLAGS="-fdiagnostics-color=always" CXXFLAGS="-fdiagnostics-color=always" waf configure clean build
 
 __author__ = __maintainer__ = "Jérôme Carretero <cJ-waf@zougloub.eu>"
 __copyright__ = "Jérôme Carretero, 2012"
@@ -36,4 +39,3 @@ class ColorGCCFormatter(Logs.formatter):
 
 def options(opt):
 	Logs.log.handlers[0].setFormatter(ColorGCCFormatter(Logs.colors))
-

waflib/extras/color_msvc.py

@@ -14,18 +14,18 @@ class ColorMSVCFormatter(Logs.formatter):
 	def __init__(self, colors):
 		self.colors = colors
 		Logs.formatter.__init__(self)
-	
+
 	def parseMessage(self, line, color):
 		# Split messaage from 'disk:filepath: type: message'
 		arr = line.split(':', 3)
 		if len(arr) < 4:
 			return line
-		
+
 		colored = self.colors.BOLD + arr[0] + ':' + arr[1] + ':' + self.colors.NORMAL
 		colored += color + arr[2] + ':' + self.colors.NORMAL
 		colored += arr[3]
 		return colored
-	
+
 	def format(self, rec):
 		frame = sys._getframe()
 		while frame: