Use internal class variable for resolving templates in makefiles

This allows other exporters to inherit from make and change the name of
the exporter without breaking.

Author: theotherjimmy

tools/export/makefile/__init__.py

@@ -88,12 +88,12 @@ def generate(self):
         ctx.update(self.flags)
 
         for templatefile in \
-            ['makefile/%s_%s.tmpl' % (self.NAME.lower(),
+            ['makefile/%s_%s.tmpl' % (self.TEMPLATE,
                                       self.target.lower())] + \
-            ['makefile/%s_%s.tmpl' % (self.NAME.lower(),
+            ['makefile/%s_%s.tmpl' % (self.TEMPLATE,
                                       label.lower()) for label
              in self.toolchain.target.extra_labels] +\
-            ['makefile/%s.tmpl' % self.NAME.lower()]:
+            ['makefile/%s.tmpl' % self.TEMPLATE]:
             try:
                 self.gen_file(templatefile, ctx, 'Makefile')
                 break
@@ -108,6 +108,7 @@ class GccArm(Makefile):
     TARGETS = [target for target, obj in TARGET_MAP.iteritems()
                if "GCC_ARM" in obj.supported_toolchains]
     NAME = 'Make-GCC-ARM'
+    TEMPLATE = 'make-gcc-arm'
     TOOLCHAIN = "GCC_ARM"
     LINK_SCRIPT_OPTION = "-T"
     USER_LIBRARY_FLAG = "-L"
@@ -122,6 +123,7 @@ class Armc5(Makefile):
     TARGETS = [target for target, obj in TARGET_MAP.iteritems()
                if "ARM" in obj.supported_toolchains]
     NAME = 'Make-ARMc5'
+    TEMPLATE = 'make-armc5'
     TOOLCHAIN = "ARM"
     LINK_SCRIPT_OPTION = "--scatter"
     USER_LIBRARY_FLAG = "--userlibpath "
@@ -136,6 +138,7 @@ class IAR(Makefile):
     TARGETS = [target for target, obj in TARGET_MAP.iteritems()
                if "IAR" in obj.supported_toolchains]
     NAME = 'Make-IAR'
+    TEMPLATE = 'make-iar'
     TOOLCHAIN = "IAR"
     LINK_SCRIPT_OPTION = "--config"
     USER_LIBRARY_FLAG = "-L"