Upgrade to new waf, run ragel in './waf dist' and make ragel optional if the needed files are already generated.

ragel.py

@@ -1,19 +1,32 @@
 #! /usr/bin/env python
 # encoding: utf-8
-# Thomas Nagy, 2006 (ita)
 
 "Ragel: '.rl' files are converted into .c files using 'ragel': {.rl -> .c -> .o}"
 
-import TaskGen
+import TaskGen, Task, Runner
 
-TaskGen.declare_chain(
-	name = 'ragel',
-	action = '${RAGEL} -o ${TGT} ${SRC}',
-	ext_in = '.rl',
-	ext_out = '.c',
-	before = 'c',
-)
+
+def rageltaskfun(task):
+	env = task.env
+	ragelbin = env.get_flat('RAGEL')
+	if ragelbin:
+		cmd = '%s -o %s %s' % (ragelbin, task.outputs[0].bldpath(env), task.inputs[0].srcpath(env))
+	else:
+		src = task.inputs[0].srcpath(env)
+		src = src[:src.rfind('.')] + '.c'
+		cmd = 'cp %s %s' % (src, task.outputs[0].bldpath(env))
+	return Runner.exec_command(cmd)
+
+rageltask = Task.task_type_from_func('ragel', rageltaskfun, vars = ['RAGEL'], color = 'BLUE', ext_in = '.rl', ext_out = '.c', before = 'c')
+
+@TaskGen.extension('.rl')
+@TaskGen.before('c')
+def ragel(self, node):
+	out = node.change_ext('.c')
+	self.allnodes.append(out)
+	tsk = self.create_task('ragel')
+	tsk.set_inputs(node)
+	tsk.set_outputs(out)
 
 def detect(conf):
 	dang = conf.find_program('ragel', var='RAGEL')
-	if not dang: conf.fatal('cannot find the program "ragel"')

src/wscript

@@ -2,7 +2,7 @@
 # encoding: utf-8
 
 #import Object, Params, os, sys
-import Params
+import Options
 
 common_uselib = 'glib '
 
@@ -54,7 +54,7 @@ main_source = '''
 	#task.set_outputs(node.change_ext('.o'))
 
 def lighty_mod(bld, target, src, uselib = '', option = ''):
-	if option and not getattr(Params.g_options, option): return
+	if option and not getattr(Options.options, option): return
 	mod = bld.new_task_gen('cc', 'plugin')
 	mod.target = target
 	mod.source = src
@@ -136,7 +136,7 @@ def build(bld):
 def configure(conf):
 	env = conf.env
 	#env['LEMON_EXT'] = [ '.y' ]
-	env['LIBDIR'] = Params.g_options.libdir
-	env['APPEND'] = Params.g_options.append
+	env['LIBDIR'] = Options.options.libdir
+	env['APPEND'] = Options.options.append
 	env['plugin_INST_VAR'] = 'LIBDIR'
 	env['plugin_INST_DIR'] = ''

wscript

@@ -1,7 +1,7 @@
 #! /usr/bin/env python
 # encoding: utf-8
 
-import Params, types, sys, Runner
+import Options, types, sys, Runner
 
 # the following two variables are used by the target "waf dist"
 VERSION='2.0-pre'
@@ -15,7 +15,7 @@ def set_options(opt):
 	# the gcc module provides a --debug-level option
 	
 	opt.tool_options('compiler_cc')
-	opt.tool_options('ragel', tooldir = '.')
+	opt.tool_options('ragel', tdir = '.')
 	
 	#opt.add_option('--with-xattr', action='store_true', help='xattr-support for the stat-cache [default: off]', dest='xattr', default = False)
 	#opt.add_option('--with-mysql', action='store_true', help='with mysql-support for the mod_sql_vhost [default: off]', dest = 'mysql', default = False)
@@ -191,7 +191,7 @@ def PKGCONFIG(conf, name, uselib = None, define = '', version = '', mandatory =
 	return res
 
 def configure(conf):
-	opts = Params.g_options
+	opts = Options.options
 	
 	conf.check_tool('compiler_cc')
 	conf.check_tool('ragel', tooldir = '.')
@@ -451,10 +451,15 @@ class TestObject:
 def run_tests():
 	import UnitTest
 	unittest = UnitTest.unit_test()
-	unittest.want_to_see_test_output = Params.g_options.verbose
-	unittest.want_to_see_test_error = Params.g_options.verbose
+	unittest.want_to_see_test_output = Options.options.verbose
+	unittest.want_to_see_test_error = Options.options.verbose
 	unittest.run()
 	unittest.print_results()
 
 def shutdown():
-	if Params.g_commands['check']: run_tests()
+	if Options.commands['check']: run_tests()
+
+def dist_hook():
+	from os import system
+	system('ragel src/config_parser.rl')
+	system('ragel src/http_request_parser.rl')