Bug 1135336 - Convert makefile rules in MailNews with props2arrays.py. r=mkmelin

mailnews/intl/Makefile.in

@@ -1,10 +0,0 @@
-#
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-include $(topsrcdir)/config/rules.mk
-
-PROPS2ARRAYS := $(MOZILLA_DIR)/intl/locale/props2arrays.py
-charsetalias.properties.h: $(PROPS2ARRAYS) charsetalias.properties
-	$(PYTHON) $^ $@

mailnews/intl/moz.build

@@ -26,6 +26,9 @@ LOCAL_INCLUDES += [
 GENERATED_FILES += [
     'charsetalias.properties.h',
 ]
+charsetalias = GENERATED_FILES['charsetalias.properties.h']
+charsetalias.script = TOPSRCDIR + '/mozilla/intl/locale/props2arrays.py'
+charsetalias.inputs = ['charsetalias.properties']
 
 MSVC_ENABLE_PGO = True