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"""SCons.Tool.cc
Tool-specific initialization for generic Posix C compilers.
There normally shouldn't be any need to import this module directly.
It will usually be imported through the generic SCons.Tool.Tool()
selection method.
"""
#
# Copyright (c) 2001 - 2017 The SCons Foundation
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
__revision__ = "src/engine/SCons/Tool/cc.py rel_3.0.0:4395:8972f6a2f699 2017/09/18 12:59:24 bdbaddog"
import SCons.Tool
import SCons.Defaults
import SCons.Util
CSuffixes = ['.c', '.m']
if not SCons.Util.case_sensitive_suffixes('.c', '.C'):
CSuffixes.append('.C')
def add_common_cc_variables(env):
"""
Add underlying common "C compiler" variables that
are used by multiple tools (specifically, c++).
"""
if '_CCCOMCOM' not in env:
env['_CCCOMCOM'] = '$CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS'
# It's a hack to test for darwin here, but the alternative
# of creating an applecc.py to contain this seems overkill.
# Maybe someday the Apple platform will require more setup and
# this logic will be moved.
env['FRAMEWORKS'] = SCons.Util.CLVar('')
env['FRAMEWORKPATH'] = SCons.Util.CLVar('')
if env['PLATFORM'] == 'darwin':
env['_CCCOMCOM'] = env['_CCCOMCOM'] + ' $_FRAMEWORKPATH'
if 'CCFLAGS' not in env:
env['CCFLAGS'] = SCons.Util.CLVar('')
if 'SHCCFLAGS' not in env:
env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS')
compilers = ['cc']
def generate(env):
"""
Add Builders and construction variables for C compilers to an Environment.
"""
static_obj, shared_obj = SCons.Tool.createObjBuilders(env)
for suffix in CSuffixes:
static_obj.add_action(suffix, SCons.Defaults.CAction)
shared_obj.add_action(suffix, SCons.Defaults.ShCAction)
static_obj.add_emitter(suffix, SCons.Defaults.StaticObjectEmitter)
shared_obj.add_emitter(suffix, SCons.Defaults.SharedObjectEmitter)
add_common_cc_variables(env)
if 'CC' not in env:
env['CC'] = env.Detect(compilers) or compilers[0]
env['CFLAGS'] = SCons.Util.CLVar('')
env['CCCOM'] = '$CC -o $TARGET -c $CFLAGS $CCFLAGS $_CCCOMCOM $SOURCES'
env['SHCC'] = '$CC'
env['SHCFLAGS'] = SCons.Util.CLVar('$CFLAGS')
env['SHCCCOM'] = '$SHCC -o $TARGET -c $SHCFLAGS $SHCCFLAGS $_CCCOMCOM $SOURCES'
env['CPPDEFPREFIX'] = '-D'
env['CPPDEFSUFFIX'] = ''
env['INCPREFIX'] = '-I'
env['INCSUFFIX'] = ''
env['SHOBJSUFFIX'] = '.os'
env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 0
env['CFILESUFFIX'] = '.c'
def exists(env):
return env.Detect(env.get('CC', compilers))
# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
# vim: set expandtab tabstop=4 shiftwidth=4:
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