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80 lines
2.1 KiB
Python
80 lines
2.1 KiB
Python
#! /usr/bin/env python
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# encoding: utf-8
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# Thomas Nagy, 2010 (ita)
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"""
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Calling 'waf build' executes a normal build with Waf
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Calling 'waf clean dump' will create a makefile corresponding to the build
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The dependencies will be extracted too
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"""
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VERSION='0.0.1'
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APPNAME='cc_test'
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top = '.'
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def options(opt):
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opt.load('compiler_c')
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def configure(conf):
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conf.load('compiler_c')
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def build(bld):
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bld.program(source='main.c', target='app', use='mylib', cflags=['-O2'])
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bld.stlib(source='a.c', target='mylib')
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# ---------------------------------------------------------------------------
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from waflib import Build, Logs
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class Dumper(Build.BuildContext):
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fun = 'dump'
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cmd = 'dump'
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def dump(bld):
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# call the build function as if a real build were performed
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build(bld)
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from waflib import Task
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bld.commands = []
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bld.targets = []
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# store the command executed
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old_exec = Task.TaskBase.exec_command
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def exec_command(self, *k, **kw):
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ret = old_exec(self, *k, **kw)
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self.command_executed = k[0]
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self.path = kw['cwd'] or self.generator.bld.cwd
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return ret
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Task.TaskBase.exec_command = exec_command
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# perform a fake build, and accumulate the makefile bits
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old_process = Task.TaskBase.process
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def process(self):
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old_process(self)
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lst = []
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for x in self.outputs:
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lst.append(x.path_from(self.generator.bld.bldnode))
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bld.targets.extend(lst)
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lst.append(':')
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for x in self.inputs + self.dep_nodes + self.generator.bld.node_deps.get(self.uid(), []):
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lst.append(x.path_from(self.generator.bld.bldnode))
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try:
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if isinstance(self.command_executed, list):
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self.command_executed = ' '.join(self.command_executed)
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except Exception as e:
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print(e)
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else:
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bld.commands.append(' '.join(lst))
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bld.commands.append('\tcd %s && %s' % (self.path, self.command_executed))
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Task.TaskBase.process = process
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# write the makefile after the build is complete
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def output_makefile(self):
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self.commands.insert(0, "all: %s" % " ".join(self.targets))
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node = self.bldnode.make_node('Makefile')
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node.write('\n'.join(self.commands))
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Logs.warn('Wrote %r', node)
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bld.add_post_fun(output_makefile)
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