mapnik/scons/scons-local-0.97/SCons/Tool/link.py
2007-08-07 15:50:34 +00:00

88 lines
3.3 KiB
Python

"""SCons.Tool.link
Tool-specific initialization for the generic Posix 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, 2002, 2003, 2004, 2005, 2006, 2007 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__ = "/home/scons/scons/branch.0/baseline/src/engine/SCons/Tool/link.py 0.97.D001 2007/05/17 11:35:19 knight"
import SCons.Defaults
import SCons.Tool
import SCons.Util
cplusplus = __import__('c++', globals(), locals(), [])
def smart_link(source, target, env, for_signature):
if cplusplus.iscplusplus(source):
return '$CXX'
return '$CC'
def generate(env):
"""Add Builders and construction variables for gnulink to an Environment."""
SCons.Tool.createSharedLibBuilder(env)
SCons.Tool.createProgBuilder(env)
env['SHLINK'] = '$LINK'
env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -shared')
env['SHLINKCOM'] = '$SHLINK -o $TARGET $SHLINKFLAGS $SOURCES $_LIBDIRFLAGS $_LIBFLAGS'
# don't set up the emitter, cause AppendUnique will generate a list
# starting with None :-(
#env['SHLIBEMITTER']= None
env['SMARTLINK'] = smart_link
env['LINK'] = "$SMARTLINK"
env['LINKFLAGS'] = SCons.Util.CLVar('')
env['LINKCOM'] = '$LINK -o $TARGET $LINKFLAGS $SOURCES $_LIBDIRFLAGS $_LIBFLAGS'
env['LIBDIRPREFIX']='-L'
env['LIBDIRSUFFIX']=''
env['_LIBFLAGS']='${_stripixes(LIBLINKPREFIX, LIBS, LIBLINKSUFFIX, LIBPREFIX, LIBSUFFIX, __env__)}'
env['LIBLINKPREFIX']='-l'
env['LIBLINKSUFFIX']=''
if env['PLATFORM'] == 'hpux':
env['SHLIBSUFFIX'] = '.sl'
elif env['PLATFORM'] == 'aix':
env['SHLIBSUFFIX'] = '.a'
# For most platforms, a loadable module is the same as a shared
# library. Platforms which are different can override these, but
# setting them the same means that LoadableModule works everywhere.
SCons.Tool.createLoadableModuleBuilder(env)
env['LDMODULE'] = '$SHLINK'
env['LDMODULEPREFIX'] = '$SHLIBPREFIX'
env['LDMODULESUFFIX'] = '$SHLIBSUFFIX'
env['LDMODULEFLAGS'] = '$SHLINKFLAGS'
env['LDMODULECOM'] = '$SHLINKCOM'
def exists(env):
# This module isn't really a Tool on its own, it's common logic for
# other linkers.
return None