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86 lines
2.2 KiB
Python
86 lines
2.2 KiB
Python
#!/usr/bin/env python
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# encoding: utf-8
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# Carlos Rafael Giani, 2007 (dv)
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# Thomas Nagy, 2016-2017 (ita)
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"""
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Try to detect a D compiler from the list of supported compilers::
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def options(opt):
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opt.load('compiler_d')
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def configure(cnf):
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cnf.load('compiler_d')
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def build(bld):
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bld.program(source='main.d', target='app')
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Only three D compilers are really present at the moment:
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* gdc
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* dmd, the ldc compiler having a very similar command-line interface
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* ldc2
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"""
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import re
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from waflib import Utils, Logs
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d_compiler = {
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'default' : ['gdc', 'dmd', 'ldc2']
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}
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"""
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Dict mapping the platform names to lists of names of D compilers to try, in order of preference::
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from waflib.Tools.compiler_d import d_compiler
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d_compiler['default'] = ['gdc', 'dmd', 'ldc2']
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"""
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def default_compilers():
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build_platform = Utils.unversioned_sys_platform()
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possible_compiler_list = d_compiler.get(build_platform, d_compiler['default'])
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return ' '.join(possible_compiler_list)
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def configure(conf):
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"""
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Detects a suitable D compiler
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:raises: :py:class:`waflib.Errors.ConfigurationError` when no suitable compiler is found
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"""
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try:
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test_for_compiler = conf.options.check_d_compiler or default_compilers()
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except AttributeError:
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conf.fatal("Add options(opt): opt.load('compiler_d')")
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for compiler in re.split('[ ,]+', test_for_compiler):
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conf.env.stash()
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conf.start_msg('Checking for %r (D compiler)' % compiler)
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try:
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conf.load(compiler)
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except conf.errors.ConfigurationError as e:
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conf.env.revert()
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conf.end_msg(False)
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Logs.debug('compiler_d: %r', e)
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else:
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if conf.env.D:
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conf.end_msg(conf.env.get_flat('D'))
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conf.env.COMPILER_D = compiler
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conf.env.commit()
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break
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conf.env.revert()
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conf.end_msg(False)
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else:
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conf.fatal('could not configure a D compiler!')
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def options(opt):
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"""
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This is how to provide compiler preferences on the command-line::
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$ waf configure --check-d-compiler=dmd
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"""
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test_for_compiler = default_compilers()
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d_compiler_opts = opt.add_option_group('Configuration options')
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d_compiler_opts.add_option('--check-d-compiler', default=None,
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help='list of D compilers to try [%s]' % test_for_compiler, dest='check_d_compiler')
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for x in test_for_compiler.split():
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opt.load('%s' % x)
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