Import of the watch repository from Pebble

third_party/waf/waf-light/waflib/Tools/lua.py

@@ -0,0 +1,38 @@
+#!/usr/bin/env python
+# encoding: utf-8
+# Sebastian Schlingmann, 2008
+# Thomas Nagy, 2008-2010 (ita)
+
+"""
+Lua support.
+
+Compile *.lua* files into *.luac*::
+
+	def configure(conf):
+		conf.load('lua')
+		conf.env.LUADIR = '/usr/local/share/myapp/scripts/'
+	def build(bld):
+		bld(source='foo.lua')
+"""
+
+from waflib.TaskGen import extension
+from waflib import Task, Utils
+
+@extension('.lua')
+def add_lua(self, node):
+	tsk = self.create_task('luac', node, node.change_ext('.luac'))
+	inst_to = getattr(self, 'install_path', self.env.LUADIR and '${LUADIR}' or None)
+	if inst_to:
+		self.bld.install_files(inst_to, tsk.outputs)
+	return tsk
+
+class luac(Task.Task):
+	run_str = '${LUAC} -s -o ${TGT} ${SRC}'
+	color   = 'PINK'
+
+def configure(conf):
+	"""
+	Detect the luac compiler and set *conf.env.LUAC*
+	"""
+	conf.find_program('luac', var='LUAC')
+