SCons/Tool/mwld.py

   1 """SCons.Tool.mwld
   2
   3 Tool-specific initialization for the Metrowerks CodeWarrior 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 # __COPYRIGHT__
  12 #
  13 # Permission is hereby granted, free of charge, to any person obtaining
  14 # a copy of this software and associated documentation files (the
  15 # "Software"), to deal in the Software without restriction, including
  16 # without limitation the rights to use, copy, modify, merge, publish,
  17 # distribute, sublicense, and/or sell copies of the Software, and to
  18 # permit persons to whom the Software is furnished to do so, subject to
  19 # the following conditions:
  20 #
  21 # The above copyright notice and this permission notice shall be included
  22 # in all copies or substantial portions of the Software.
  23 #
  24 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  25 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  26 # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  28 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  29 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  30 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31 #
  32
  33 __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
  34
  35 import SCons.Tool
  36
  37
  38 def generate(env) -> None:
  39     """Add Builders and construction variables for lib to an Environment."""
  40     SCons.Tool.createStaticLibBuilder(env)
  41     SCons.Tool.createSharedLibBuilder(env)
  42     SCons.Tool.createProgBuilder(env)
  43
  44     env['AR'] = 'mwld'
  45     env['ARCOM'] = '$AR $ARFLAGS -library -o $TARGET $SOURCES'
  46
  47     env['LIBDIRPREFIX'] = '-L'
  48     env['LIBDIRSUFFIX'] = ''
  49     env['LIBLINKPREFIX'] = '-l'
  50     env['LIBLINKSUFFIX'] = '.lib'
  51
  52     env['LINK'] = 'mwld'
  53     env['LINKCOM'] = '$LINK $LINKFLAGS -o $TARGET $SOURCES $_LIBDIRFLAGS $_LIBFLAGS'
  54
  55     env['SHLINK'] = '$LINK'
  56     env['SHLINKFLAGS'] = '$LINKFLAGS'
  57     env['SHLINKCOM']   = shlib_action
  58     env['SHLIBEMITTER']= shlib_emitter
  59     env['LDMODULEEMITTER']= shlib_emitter
  60
  61
  62 def exists(env):
  63     import SCons.Tool.mwcc
  64     return SCons.Tool.mwcc.set_vars(env)
  65
  66
  67 def shlib_generator(target, source, env, for_signature):
  68     cmd = ['$SHLINK', '$SHLINKFLAGS', '-shared']
  69
  70     no_import_lib = env.get('no_import_lib', 0)
  71     if no_import_lib: cmd.extend('-noimplib')
  72
  73     dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
  74     if dll: cmd.extend(['-o', dll])
  75
  76     implib = env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX')
  77     if implib: cmd.extend(['-implib', implib.get_string(for_signature)])
  78
  79     cmd.extend(['$SOURCES', '$_LIBDIRFLAGS', '$_LIBFLAGS'])
  80
  81     return [cmd]
  82
  83
  84 def shlib_emitter(target, source, env):
  85     dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
  86     no_import_lib = env.get('no_import_lib', 0)
  87
  88     if not dll:
  89         raise SCons.Errors.UserError("A shared library should have exactly one target with the suffix: %s" % env.subst("$SHLIBSUFFIX"))
  90
  91     if not no_import_lib and \
  92        not env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX'):
  93
  94         # Append an import library to the list of targets.
  95         target.append(env.ReplaceIxes(dll,
  96                                       'SHLIBPREFIX', 'SHLIBSUFFIX',
  97                                       'LIBPREFIX', 'LIBSUFFIX'))
  98
  99     return target, source
 100
 101
 102 shlib_action = SCons.Action.Action(shlib_generator, generator=1)
 103
 104 # Local Variables:
 105 # tab-width:4
 106 # indent-tabs-mode:nil
 107 # End:
 108 # vim: set expandtab tabstop=4 shiftwidth=4: