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#!/usr/bin/env python
# encoding: utf-8
# Matthias Jahn jahn dôt matthias ât freenet dôt de, 2007 (pmarat)
import os, sys, imp, types, ccroot
import optparse
import Utils, Configure, Options
from Logs import debug
c_compiler = {
'win32': ['msvc', 'gcc'],
'cygwin': ['gcc'],
'darwin': ['gcc'],
'aix': ['xlc', 'gcc'],
'linux': ['gcc', 'icc', 'suncc'],
'sunos': ['gcc', 'suncc'],
'irix': ['gcc'],
'hpux': ['gcc'],
'gnu': ['gcc'],
'default': ['gcc']
}
def __list_possible_compiler(platform):
try:
return c_compiler[platform]
except KeyError:
return c_compiler["default"]
def detect(conf):
"""
for each compiler for the platform, try to configure the compiler
in theory the tools should raise a configuration error if the compiler
pretends to be something it is not (setting CC=icc and trying to configure gcc)
"""
try: test_for_compiler = Options.options.check_c_compiler
except AttributeError: conf.fatal("Add set_options(opt): opt.tool_options('compiler_cc')")
orig = conf.env
for compiler in test_for_compiler.split():
conf.env = orig.copy()
try:
conf.check_tool(compiler)
except Configure.ConfigurationError, e:
debug('compiler_cc: %r' % e)
else:
if conf.env['CC']:
orig.table = conf.env.get_merged_dict()
conf.env = orig
conf.check_message(compiler, '', True)
conf.env['COMPILER_CC'] = compiler
break
conf.check_message(compiler, '', False)
break
else:
conf.fatal('could not configure a c compiler!')
def set_options(opt):
build_platform = Utils.unversioned_sys_platform()
possible_compiler_list = __list_possible_compiler(build_platform)
test_for_compiler = ' '.join(possible_compiler_list)
cc_compiler_opts = opt.add_option_group("C Compiler Options")
cc_compiler_opts.add_option('--check-c-compiler', default="%s" % test_for_compiler,
help='On this platform (%s) the following C-Compiler will be checked by default: "%s"' % (build_platform, test_for_compiler),
dest="check_c_compiler")
for c_compiler in test_for_compiler.split():
opt.tool_options('%s' % c_compiler, option_group=cc_compiler_opts)
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