From c2b0355b0de23f6ec83b5fa5be038bcce208e26f Mon Sep 17 00:00:00 2001 From: David Robillard Date: Sat, 15 Sep 2018 14:51:03 +0200 Subject: Squashed 'waflib/' content from commit 982416b git-subtree-dir: waflib git-subtree-split: 982416b8a6c6728e200243e1be3ab60435c08830 --- Tools/compiler_d.py | 85 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 Tools/compiler_d.py (limited to 'Tools/compiler_d.py') diff --git a/Tools/compiler_d.py b/Tools/compiler_d.py new file mode 100644 index 0000000..43bb1f6 --- /dev/null +++ b/Tools/compiler_d.py @@ -0,0 +1,85 @@ +#!/usr/bin/env python +# encoding: utf-8 +# Carlos Rafael Giani, 2007 (dv) +# Thomas Nagy, 2016-2018 (ita) + +""" +Try to detect a D compiler from the list of supported compilers:: + + def options(opt): + opt.load('compiler_d') + def configure(cnf): + cnf.load('compiler_d') + def build(bld): + bld.program(source='main.d', target='app') + +Only three D compilers are really present at the moment: + +* gdc +* dmd, the ldc compiler having a very similar command-line interface +* ldc2 +""" + +import re +from waflib import Utils, Logs + +d_compiler = { +'default' : ['gdc', 'dmd', 'ldc2'] +} +""" +Dict mapping the platform names to lists of names of D compilers to try, in order of preference:: + + from waflib.Tools.compiler_d import d_compiler + d_compiler['default'] = ['gdc', 'dmd', 'ldc2'] +""" + +def default_compilers(): + build_platform = Utils.unversioned_sys_platform() + possible_compiler_list = d_compiler.get(build_platform, d_compiler['default']) + return ' '.join(possible_compiler_list) + +def configure(conf): + """ + Detects a suitable D compiler + + :raises: :py:class:`waflib.Errors.ConfigurationError` when no suitable compiler is found + """ + try: + test_for_compiler = conf.options.check_d_compiler or default_compilers() + except AttributeError: + conf.fatal("Add options(opt): opt.load('compiler_d')") + + for compiler in re.split('[ ,]+', test_for_compiler): + conf.env.stash() + conf.start_msg('Checking for %r (D compiler)' % compiler) + try: + conf.load(compiler) + except conf.errors.ConfigurationError as e: + conf.env.revert() + conf.end_msg(False) + Logs.debug('compiler_d: %r', e) + else: + if conf.env.D: + conf.end_msg(conf.env.get_flat('D')) + conf.env.COMPILER_D = compiler + conf.env.commit() + break + conf.env.revert() + conf.end_msg(False) + else: + conf.fatal('could not configure a D compiler!') + +def options(opt): + """ + This is how to provide compiler preferences on the command-line:: + + $ waf configure --check-d-compiler=dmd + """ + test_for_compiler = default_compilers() + d_compiler_opts = opt.add_option_group('Configuration options') + d_compiler_opts.add_option('--check-d-compiler', default=None, + help='list of D compilers to try [%s]' % test_for_compiler, dest='check_d_compiler') + + for x in test_for_compiler.split(): + opt.load('%s' % x) + -- cgit v1.2.1