buildtools/wafadmin/Tools/compiler_cc.py

   1 #!/usr/bin/env python
   2 # encoding: utf-8
   3 # Matthias Jahn jahn dôt matthias ât freenet dôt de, 2007 (pmarat)
   4
   5 import os, sys, imp, types, ccroot
   6 import optparse
   7 import Utils, Configure, Options
   8 from Logs import debug
   9
  10 c_compiler = {
  11         'win32':  ['msvc', 'gcc'],
  12         'cygwin': ['gcc'],
  13         'darwin': ['gcc'],
  14         'aix':    ['xlc', 'gcc'],
  15         'linux':  ['gcc', 'icc', 'suncc'],
  16         'sunos':  ['gcc', 'suncc'],
  17         'irix':   ['gcc'],
  18         'hpux':   ['gcc'],
  19         'gnu':    ['gcc'],
  20         'default': ['gcc']
  21 }
  22
  23 def __list_possible_compiler(platform):
  24         try:
  25                 return c_compiler[platform]
  26         except KeyError:
  27                 return c_compiler["default"]
  28
  29 def detect(conf):
  30         """
  31         for each compiler for the platform, try to configure the compiler
  32         in theory the tools should raise a configuration error if the compiler
  33         pretends to be something it is not (setting CC=icc and trying to configure gcc)
  34         """
  35         try: test_for_compiler = Options.options.check_c_compiler
  36         except AttributeError: conf.fatal("Add set_options(opt): opt.tool_options('compiler_cc')")
  37         orig = conf.env
  38         for compiler in test_for_compiler.split():
  39                 conf.env = orig.copy()
  40                 try:
  41                         conf.check_tool(compiler)
  42                 except Configure.ConfigurationError, e:
  43                         debug('compiler_cc: %r' % e)
  44                 else:
  45                         if conf.env['CC']:
  46                                 orig.table = conf.env.get_merged_dict()
  47                                 conf.env = orig
  48                                 conf.check_message(compiler, '', True)
  49                                 conf.env['COMPILER_CC'] = compiler
  50                                 break
  51                         conf.check_message(compiler, '', False)
  52                         break
  53         else:
  54                 conf.fatal('could not configure a c compiler!')
  55
  56 def set_options(opt):
  57         build_platform = Utils.unversioned_sys_platform()
  58         possible_compiler_list = __list_possible_compiler(build_platform)
  59         test_for_compiler = ' '.join(possible_compiler_list)
  60         cc_compiler_opts = opt.add_option_group("C Compiler Options")
  61         cc_compiler_opts.add_option('--check-c-compiler', default="%s" % test_for_compiler,
  62                 help='On this platform (%s) the following C-Compiler will be checked by default: "%s"' % (build_platform, test_for_compiler),
  63                 dest="check_c_compiler")
  64
  65         for c_compiler in test_for_compiler.split():
  66                 opt.tool_options('%s' % c_compiler, option_group=cc_compiler_opts)
  67