Add support for the PharLap ETS tools. (Charles Crain)

1 files changed, 107 insertions, 0 deletions

diff --git a/src/engine/SCons/Tool/linkloc.py b/src/engine/SCons/Tool/linkloc.py
new file mode 100644
index 0000000..51ce60c
--- /dev/null
+++ b/src/engine/SCons/Tool/linkloc.py
@@ -0,0 +1,107 @@
+"""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__
+#
+# 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__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+import os.path
+import string
+import re
+
+import SCons.Action
+import SCons.Defaults
+import SCons.Errors
+import SCons.Util
+
+from SCons.Platform.win32 import TempFileMunge
+from SCons.Tool.msvc import get_msdev_paths
+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:
+    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)
+            while subs:
+                strsub, subs = _re_linker_command.subn(repl_linker_command, strsub)
+            return strsub
+        else:
+            return TempFileMunge(env, string.split(self.cmdline), 0)
+
+_linklocLinkAction = SCons.Action.Action(SCons.Action.CommandGenerator(LinklocGenerator("$LINK $LINKFLAGS $( $_LIBDIRFLAGS $) $_LIBFLAGS -exe $TARGET $SOURCES")))
+_linklocShLinkAction = SCons.Action.Action(SCons.Action.CommandGenerator(LinklocGenerator("$SHLINK $SHLINKFLAGS $( $_LIBDIRFLAGS $) $_LIBFLAGS -dll $TARGET $SOURCES")))
+
+def generate(env, platform):
+    """Add Builders and construction variables for ar to an Environment."""
+    env['BUILDERS']['SharedLibrary'] = SCons.Defaults.SharedLibrary
+    env['BUILDERS']['Program'] = SCons.Defaults.Program
+
+    env['SHLINK']      = '$LINK'
+    env['SHLINKFLAGS'] = '$LINKFLAGS'
+    env['SHLINKCOM']   = _linklocShLinkAction
+    env['SHLIBEMITTER']= None
+    env['LINK']        = "linkloc"
+    env['LINKFLAGS']   = ''
+    env['LINKCOM']     = _linklocLinkAction
+    env['LIBDIRPREFIX']='-libpath '
+    env['LIBDIRSUFFIX']=''
+    env['LIBLINKPREFIX']='-lib '
+    env['LIBLINKSUFFIX']='$LIBSUFFIX'
+
+    include_path, lib_path, exe_path = get_msdev_paths()
+    env['ENV']['LIB']            = lib_path
+    env['ENV']['PATH']           = exe_path
+
+    addPharLapPaths(env)
+
+def exists(env):
+    return env.Detect('linkloc')