SCons/Tool/aixlink.py

   1 """SCons.Tool.aixlink
   2
   3 Tool-specific initialization for the IBM Visual Age linker.
   4
   5 There normally shouldn't be any need to import this module directly.
   6 It will usually be imported through the generic SCons.Tool.Tool()
   7 selection method.
   8 """
   9
  10 #
  11 # Permission is hereby granted, free of charge, to any person obtaining
  12 # a copy of this software and associated documentation files (the
  13 # "Software"), to deal in the Software without restriction, including
  14 # without limitation the rights to use, copy, modify, merge, publish,
  15 # distribute, sublicense, and/or sell copies of the Software, and to
  16 # permit persons to whom the Software is furnished to do so, subject to
  17 # the following conditions:
  18 #
  19 # The above copyright notice and this permission notice shall be included
  20 # in all copies or substantial portions of the Software.
  21 #
  22 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  23 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  24 # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 #
  30
  31 import os
  32 import os.path
  33
  34 import SCons.Util
  35
  36 from . import aixcc
  37 from . import link
  38
  39 import SCons.Tool.cxx
  40 cplusplus = SCons.Tool.cxx
  41
  42
  43 def smart_linkflags(source, target, env, for_signature):
  44     if cplusplus.iscplusplus(source):
  45         build_dir = env.subst('$BUILDDIR', target=target, source=source)
  46         if build_dir:
  47             return '-qtempinc=' + os.path.join(build_dir, 'tempinc')
  48     return ''
  49
  50
  51 def generate(env):
  52     """
  53     Add Builders and construction variables for Visual Age linker to
  54     an Environment.
  55     """
  56     link.generate(env)
  57
  58     env['SMARTLINKFLAGS'] = smart_linkflags
  59     env['LINKFLAGS']      = SCons.Util.CLVar('$SMARTLINKFLAGS')
  60     env['SHLINKFLAGS']    = SCons.Util.CLVar('$LINKFLAGS -qmkshrobj -qsuppress=1501-218')
  61     env['SHLIBSUFFIX']    = '.a'
  62
  63
  64 def exists(env):
  65     # TODO: sync with link.smart_link() to choose a linker
  66     linkers = { 'CXX': ['aixc++'], 'CC': ['aixcc'] }
  67     alltools = []
  68     for langvar, linktools in linkers.items():
  69         if langvar in env:  # use CC over CXX when user specified CC but not CXX
  70             return SCons.Tool.FindTool(linktools, env)
  71         alltools.extend(linktools)
  72     return SCons.Tool.FindTool(alltools, env)
  73
  74 # Local Variables:
  75 # tab-width:4
  76 # indent-tabs-mode:nil
  77 # End:
  78 # vim: set expandtab tabstop=4 shiftwidth=4: