mirror of https://gitlab.com/ita1024/waf.git
83 lines
2.3 KiB
Python
83 lines
2.3 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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VERSION='0.0.1'
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APPNAME='cc_test'
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"""
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The build groups can be processed all at once (required for the progress bar)
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or sequentially in a lazy manner.
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Each time one more .c file will be added during the build and compiled and linked in app
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$ waf distclean configure build build
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'distclean' finished successfully (0.005s)
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Setting top to : /dynamic_build
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Setting out to : /dynamic_build/build
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Checking for 'gcc' (c compiler) : ok
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'configure' finished successfully (0.091s)
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Waf: Entering directory `/dynamic_build/build'
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[1/1] foo_3.c: -> build/foo_3.c
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[2/4] c: main.c -> build/main.c.1.o
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[3/4] c: build/foo_3.c -> build/foo_3.c.1.o
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[4/4] cprogram: build/main.c.1.o build/foo_3.c.1.o -> build/app
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Waf: Leaving directory `/dynamic_build/build'
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'build' finished successfully (5.169s)
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Waf: Entering directory `/dynamic_build/build'
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[1/1] foo_17.c: -> build/foo_17.c
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[3/5] c: build/foo_17.c -> build/foo_17.c.1.o
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[5/5] cprogram: build/main.c.1.o build/foo_17.c.1.o build/foo_3.c.1.o -> build/app
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Waf: Leaving directory `/dynamic_build/build'
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'build' finished successfully (5.144s)
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"""
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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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"""
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groups will be processed one by one during the build
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the progress bar display will be inaccurate
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"""
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bld.post_mode = Build.POST_LAZY
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import random
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rnd = random.randint(0, 25)
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bld(
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rule = "sleep 2 && (echo 'int num%d = %d;' > ${TGT})" % (rnd, rnd),
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target = 'foo_%d.c' % rnd,
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)
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bld.add_group()
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bld.program(source='main.c', target='app', dynamic_source='*.c')
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# support for the "dynamic_source" attribute follows
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from waflib import Build, Utils, TaskGen
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@TaskGen.feature('c')
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@TaskGen.before('process_source')
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def dynamic_post(self):
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"""
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bld(dynamic_source='*.c', ..) will search for source files to add to the attribute 'source'
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we could also call "eval" or whatever expression
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"""
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if not getattr(self, 'dynamic_source', None):
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return
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self.source = Utils.to_list(self.source)
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self.source.extend(self.path.get_bld().ant_glob(self.dynamic_source))
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# if headers are created dynamically, assign signatures manually:
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# for x in self.path.get_bld().ant_glob('*.h'): x.sig = Utils.md5(x.abspath())
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