SconsLocal/scons-local-3.0.0/SCons/Tool/applelink.py

"""SCons.Tool.applelink

Tool-specific initialization for the Apple gnu-like linker.

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
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# 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.
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__revision__ = "src/engine/SCons/Tool/applelink.py rel_3.0.0:4395:8972f6a2f699 2017/09/18 12:59:24 bdbaddog"

import SCons.Util

# Even though the Mac is based on the GNU toolchain, it doesn't understand
# the -rpath option, so we use the "link" tool instead of "gnulink".
from . import link

def generate(env):
    """Add Builders and construction variables for applelink to an
    Environment."""
    link.generate(env)

    env['FRAMEWORKPATHPREFIX'] = '-F'
    env['_FRAMEWORKPATH'] = '${_concat(FRAMEWORKPATHPREFIX, FRAMEWORKPATH, "", __env__)}'
    env['_FRAMEWORKS'] = '${_concat("-framework ", FRAMEWORKS, "", __env__)}'
    env['LINKCOM'] = env['LINKCOM'] + ' $_FRAMEWORKPATH $_FRAMEWORKS $FRAMEWORKSFLAGS'
    env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -dynamiclib')
    env['SHLINKCOM'] = env['SHLINKCOM'] + ' $_FRAMEWORKPATH $_FRAMEWORKS $FRAMEWORKSFLAGS'


    # TODO: Work needed to generate versioned shared libraries
    # Leaving this commented out, and also going to disable versioned library checking for now
    # see: http://docstore.mik.ua/orelly/unix3/mac/ch05_04.htm  for proper naming
    #link._setup_versioned_lib_variables(env, tool = 'applelink')#, use_soname = use_soname)
    #env['LINKCALLBACKS'] = link._versioned_lib_callbacks()


    # override the default for loadable modules, which are different
    # on OS X than dynamic shared libs.  echoing what XCode does for
    # pre/suffixes:
    env['LDMODULEPREFIX'] = '' 
    env['LDMODULESUFFIX'] = '' 
    env['LDMODULEFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -bundle')
    env['LDMODULECOM'] = '$LDMODULE -o ${TARGET} $LDMODULEFLAGS $SOURCES $_LIBDIRFLAGS $_LIBFLAGS $_FRAMEWORKPATH $_FRAMEWORKS $FRAMEWORKSFLAGS'



def exists(env):
    return env['PLATFORM'] == 'darwin'

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