waf

FORK: waf with some random patches
git clone https://git.neptards.moe/neptards/waf.git
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wscript (2110B)

      1 #! /usr/bin/env python
      2 # encoding: utf-8
      3 # Thomas Nagy, 2010 (ita)
      4 
      5 """
      6 Calling 'waf build' executes a normal build with Waf
      7 Calling 'waf clean dump' will create a makefile corresponding to the build
      8 The dependencies will be extracted too
      9 """
     10 
     11 VERSION='0.0.1'
     12 APPNAME='cc_test'
     13 
     14 top = '.'
     15 
     16 def options(opt):
     17 	opt.load('compiler_c')
     18 
     19 def configure(conf):
     20 	conf.load('compiler_c')
     21 
     22 def build(bld):
     23 	bld.program(source='main.c', target='app', use='mylib', cflags=['-O2'])
     24 	bld.stlib(source='a.c', target='mylib')
     25 
     26 # ---------------------------------------------------------------------------
     27 
     28 from waflib import Build, Logs
     29 class Dumper(Build.BuildContext):
     30 	fun = 'dump'
     31 	cmd = 'dump'
     32 
     33 def dump(bld):
     34 	# call the build function as if a real build were performed
     35 	build(bld)
     36 
     37 	from waflib import Task
     38 	bld.commands = []
     39 	bld.targets = []
     40 
     41 	# store the command executed
     42 	old_exec = Task.Task.exec_command
     43 	def exec_command(self, *k, **kw):
     44 		ret = old_exec(self, *k, **kw)
     45 		self.command_executed = k[0]
     46 		self.path = kw['cwd'] or self.generator.bld.cwd
     47 		return ret
     48 	Task.Task.exec_command = exec_command
     49 
     50 	# perform a fake build, and accumulate the makefile bits
     51 	old_process = Task.Task.process
     52 	def process(self):
     53 		old_process(self)
     54 
     55 		lst = []
     56 		for x in self.outputs:
     57 			lst.append(x.path_from(self.generator.bld.bldnode))
     58 		bld.targets.extend(lst)
     59 		lst.append(':')
     60 		for x in self.inputs + self.dep_nodes + self.generator.bld.node_deps.get(self.uid(), []):
     61 			lst.append(x.path_from(self.generator.bld.bldnode))
     62 		try:
     63 			if isinstance(self.command_executed, list):
     64 				self.command_executed = ' '.join(self.command_executed)
     65 		except Exception as e:
     66 			print(e)
     67 		else:
     68 			bld.commands.append(' '.join(lst))
     69 			bld.commands.append('\tcd %s && %s' % (self.path, self.command_executed))
     70 	Task.Task.process = process
     71 
     72 	# write the makefile after the build is complete
     73 	def output_makefile(self):
     74 		self.commands.insert(0, "all: %s" % " ".join(self.targets))
     75 		node = self.bldnode.make_node('Makefile')
     76 		node.write('\n'.join(self.commands))
     77 		Logs.warn('Wrote %r', node)
     78 	bld.add_post_fun(output_makefile)
     79