mirror of https://gitlab.com/ita1024/waf.git
129 lines
4.2 KiB
Python
129 lines
4.2 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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top = '.'
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out = 'build'
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"""
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General variant system
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Call for example:
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$ waf configure build_debug build_release clean_debug clean_release
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The builds will end in different build folders
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note how "bld.variant" is used to detect the current variant
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See also playground/remote/wscript for a more specific example
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"""
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def configure(conf):
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conf.setenv('debug')
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conf.load('compiler_c')
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conf.define("A", 1)
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conf.define("B", 1.1)
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conf.define("C", "1.1e19", quote=False)
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# the configuration file must be written in each variant
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conf.write_config_header('debug/config.h', remove=False)
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conf.setenv('release', env=conf.env.derive()) # start with a copy instead of a new env
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conf.env.CFLAGS = ['-O2']
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conf.options.prefix = '/opt' # warning: this changes the options globally
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conf.load('compiler_c')
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conf.define('E', 1)
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conf.write_config_header('release/config.h')
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def build(bld):
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# cleaning from the top-level directory might remove
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# the file 'config.h' from the variants, so we
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# are forcing the use of *debug or *release commands
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#
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# the config set 'debug' is loaded automatically when the 'debug' variant is used
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if not bld.variant:
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bld.fatal('Call "waf build_debug" or "waf build_release", and read the comments in the wscript file!')
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# the includes='.' add the build directory path to the command arguments
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# (look at the -I flags by using waf -v)
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bld.program(source='main.c', target='app', includes='.')
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# To use multiple compilers at once, either:
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#
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# * use a particular environment from the configuration:
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# bld.env = bld.all_envs['debug']
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# bld.program(source='main.c', target='app2', includes='.')
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# * add an 'env' parameter to a particular task generator:
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# bld.program(..., env=bld.all_envs['release'].derive())
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def options(opt):
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opt.load('compiler_c')
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def init(ctx):
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from waflib.Build import BuildContext, CleanContext, InstallContext, UninstallContext
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for x in 'debug release'.split():
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for y in (BuildContext, CleanContext, InstallContext, UninstallContext):
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name = y.__name__.replace('Context','').lower()
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class tmp(y):
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cmd = name + '_' + x
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variant = x
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## if you work on "debug" 99% of the time, here is how to re-enable "waf build":
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#for y in (BuildContext, CleanContext, InstallContext, UninstallContext):
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# class tmp(y):
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# variant = 'debug'
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# you may also set 'win32/debug' instead of 'debug'
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# the commands will be "build_win32/debug" or "build_win32/release"
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# in this case you may want to modify Options.commands in this "init" function
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# calling "waf buildall" will run "waf build_debug build_release"
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def buildall(ctx):
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import waflib.Options
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for x in ('build_debug', 'build_release'):
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waflib.Options.commands.insert(0, x)
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# --------------------------
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# or, if you want to memorize the default variant and just type "waf",
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#
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#def options(opt):
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# opt.load('compiler_c')
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#def init(ctx):
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# from waflib import ConfigSet, Options
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# env = ConfigSet.ConfigSet()
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# try:
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# env.load('build/c4che/foo.txt')
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# except:
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# the_variant = 'debug'
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# else:
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# the_variant = env.the_variant or debug
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#
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# if getattr(Options.options, 'the_variant', ''):
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# if Options.options.the_variant != the_variant:
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# the_variant = env.the_variant = Options.options.the_variant
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# env.store('build/c4che/foo.txt')
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#
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# for y in (BuildContext, CleanContext, InstallContext, UninstallContext):
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# class tmp(y):
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# variant = the_variant
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# --------------------------
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# Or, if you like to have a command-line flag
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# - add ctx.load('variant') to options and init functions
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# - add --variant=<name of the variant> to the command line
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#def options(ctx):
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# ctx.add_option('--variant', action='store', default='', help='set the variant name')
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#def init(ctx):
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# from waflib.Options import options
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# from waflib.Build import BuildContext, CleanContext, InstallContext, UninstallContext
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# from waflib.Configure import ConfigurationContext
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# for y in (BuildContext, CleanContext, InstallContext, UninstallContext, ConfigurationContext):
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# name = y.__name__.replace('Context','').lower()
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# class tmp(y):
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# cmd = name
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# variant = options.variant
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#
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