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-rw-r--r--waflib/Tools/compiler_c.py110
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diff --git a/waflib/Tools/compiler_c.py b/waflib/Tools/compiler_c.py
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-#!/usr/bin/env python
-# encoding: utf-8
-# Matthias Jahn jahn dôt matthias ât freenet dôt de, 2007 (pmarat)
-
-"""
-Try to detect a C compiler from the list of supported compilers (gcc, msvc, etc)::
-
- def options(opt):
- opt.load('compiler_c')
- def configure(cnf):
- cnf.load('compiler_c')
- def build(bld):
- bld.program(source='main.c', target='app')
-
-The compilers are associated to platforms in :py:attr:`waflib.Tools.compiler_c.c_compiler`. To register
-a new C compiler named *cfoo* (assuming the tool ``waflib/extras/cfoo.py`` exists), use::
-
- from waflib.Tools.compiler_c import c_compiler
- c_compiler['win32'] = ['cfoo', 'msvc', 'gcc']
-
- def options(opt):
- opt.load('compiler_c')
- def configure(cnf):
- cnf.load('compiler_c')
- def build(bld):
- bld.program(source='main.c', target='app')
-
-Not all compilers need to have a specific tool. For example, the clang compilers can be detected by the gcc tools when using::
-
- $ CC=clang waf configure
-"""
-
-import re
-from waflib.Tools import ccroot
-from waflib import Utils
-from waflib.Logs import debug
-
-c_compiler = {
-'win32': ['msvc', 'gcc', 'clang'],
-'cygwin': ['gcc'],
-'darwin': ['clang', 'gcc'],
-'aix': ['xlc', 'gcc', 'clang'],
-'linux': ['gcc', 'clang', 'icc'],
-'sunos': ['suncc', 'gcc'],
-'irix': ['gcc', 'irixcc'],
-'hpux': ['gcc'],
-'osf1V': ['gcc'],
-'gnu': ['gcc', 'clang'],
-'java': ['gcc', 'msvc', 'clang', 'icc'],
-'default':['clang', 'gcc'],
-}
-"""
-Dict mapping platform names to Waf tools finding specific C compilers::
-
- from waflib.Tools.compiler_c import c_compiler
- c_compiler['linux'] = ['gcc', 'icc', 'suncc']
-"""
-
-def default_compilers():
- build_platform = Utils.unversioned_sys_platform()
- possible_compiler_list = c_compiler.get(build_platform, c_compiler['default'])
- return ' '.join(possible_compiler_list)
-
-def configure(conf):
- """
- Detects a suitable C compiler
-
- :raises: :py:class:`waflib.Errors.ConfigurationError` when no suitable compiler is found
- """
- try:
- test_for_compiler = conf.options.check_c_compiler or default_compilers()
- except AttributeError:
- conf.fatal("Add options(opt): opt.load('compiler_c')")
-
- for compiler in re.split('[ ,]+', test_for_compiler):
- conf.env.stash()
- conf.start_msg('Checking for %r (C compiler)' % compiler)
- try:
- conf.load(compiler)
- except conf.errors.ConfigurationError as e:
- conf.env.revert()
- conf.end_msg(False)
- debug('compiler_c: %r', e)
- else:
- if conf.env.CC:
- conf.end_msg(conf.env.get_flat('CC'))
- conf.env.COMPILER_CC = compiler
- conf.env.commit()
- break
- conf.env.revert()
- conf.end_msg(False)
- else:
- conf.fatal('could not configure a C compiler!')
-
-def options(opt):
- """
- This is how to provide compiler preferences on the command-line::
-
- $ waf configure --check-c-compiler=gcc
- """
- test_for_compiler = default_compilers()
- opt.load_special_tools('c_*.py', ban=['c_dumbpreproc.py'])
- cc_compiler_opts = opt.add_option_group('Configuration options')
- cc_compiler_opts.add_option('--check-c-compiler', default=None,
- help='list of C compilers to try [%s]' % test_for_compiler,
- dest="check_c_compiler")
-
- for x in test_for_compiler.split():
- opt.load('%s' % x)
-