Added an unmodified copy of SCons to third_party.

scons-2.0.1/engine/SCons/Tool/linkloc.py

+"""SCons.Tool.linkloc
+
+Tool specification for the LinkLoc linker for the Phar Lap ETS embedded
+operating system.
+
+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, 2008, 2009, 2010 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/linkloc.py 5134 2010/08/16 23:02:40 bdeegan"
+
+import os.path
+import re
+
+import SCons.Action
+import SCons.Defaults
+import SCons.Errors
+import SCons.Tool
+import SCons.Util
+
+from SCons.Tool.MSCommon import msvs_exists, merge_default_version
+from SCons.Tool.PharLapCommon import addPharLapPaths
+
+_re_linker_command = re.compile(r'(\s)@\s*([^\s]+)')
+
+def repl_linker_command(m):
+    # Replaces any linker command file directives (e.g. "@foo.lnk") with
+    # the actual contents of the file.
+    try:
+        f=open(m.group(2), "r")
+        return m.group(1) + f.read()
+    except IOError:
+        # the linker should return an error if it can't
+        # find the linker command file so we will remain quiet.
+        # However, we will replace the @ with a # so we will not continue
+        # to find it with recursive substitution
+        return m.group(1) + '#' + m.group(2)
+
+class LinklocGenerator(object):
+    def __init__(self, cmdline):
+        self.cmdline = cmdline
+
+    def __call__(self, env, target, source, for_signature):
+        if for_signature:
+            # Expand the contents of any linker command files recursively
+            subs = 1
+            strsub = env.subst(self.cmdline, target=target, source=source)
+            while subs:
+                strsub, subs = _re_linker_command.subn(repl_linker_command, strsub)
+            return strsub
+        else:
+            return "${TEMPFILE('" + self.cmdline + "')}"
+
+def generate(env):
+    """Add Builders and construction variables for ar to an Environment."""
+    SCons.Tool.createSharedLibBuilder(env)
+    SCons.Tool.createProgBuilder(env)
+
+    env['SUBST_CMD_FILE'] = LinklocGenerator
+    env['SHLINK']      = '$LINK'
+    env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS')
+    env['SHLINKCOM']   = '${SUBST_CMD_FILE("$SHLINK $SHLINKFLAGS $_LIBDIRFLAGS $_LIBFLAGS -dll $TARGET $SOURCES")}'
+    env['SHLIBEMITTER']= None
+    env['LINK']        = "linkloc"
+    env['LINKFLAGS']   = SCons.Util.CLVar('')
+    env['LINKCOM']     = '${SUBST_CMD_FILE("$LINK $LINKFLAGS $_LIBDIRFLAGS $_LIBFLAGS -exe $TARGET $SOURCES")}'
+    env['LIBDIRPREFIX']='-libpath '
+    env['LIBDIRSUFFIX']=''
+    env['LIBLINKPREFIX']='-lib '
+    env['LIBLINKSUFFIX']='$LIBSUFFIX'
+
+    # Set-up ms tools paths for default version
+    merge_default_version(env)
+
+    addPharLapPaths(env)
+
+def exists(env):
+    if msvs_exists():
+        return env.Detect('linkloc')
+    else:
+        return 0
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4: