Upgrade to SCons 4.5.2

scons/scons-configure-cache.py

@@ -0,0 +1,97 @@
+#! /usr/bin/env python
+#
+# SCons - a Software Constructor
+#
+# MIT License
+#
+# Copyright 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.
+
+"""Show or convert the configuration of an SCons cache directory.
+
+A cache of derived files is stored by file signature.
+The files are split into directories named by the first few
+digits of the signature. The prefix length used for directory
+names can be changed by this script.
+"""
+__revision__ = "scripts/scons-configure-cache.py 120fd4f633e9ef3cafbc0fec35306d7555ffd1db Tue, 21 Mar 2023 12:11:27 -0400 bdbaddog"
+
+__version__ = "4.5.2"
+
+__build__ = "120fd4f633e9ef3cafbc0fec35306d7555ffd1db"
+
+__buildsys__ = "M1DOG2021"
+
+__date__ = "Tue, 21 Mar 2023 12:11:27 -0400"
+
+__developer__ = "bdbaddog"
+
+
+import os
+import sys
+
+# python compatibility check
+if sys.version_info < (3, 6, 0):
+    msg = "scons: *** SCons version %s does not run under Python version %s.\n\
+Python >= 3.5 is required.\n"
+    sys.stderr.write(msg % (__version__, sys.version.split()[0]))
+    sys.exit(1)
+
+# Strip the script directory from sys.path so on case-insensitive
+# (WIN32) systems Python doesn't think that the "scons" script is the
+# "SCons" package.
+script_dir = os.path.dirname(os.path.realpath(__file__))
+script_path = os.path.realpath(os.path.dirname(__file__))
+if script_path in sys.path:
+    sys.path.remove(script_path)
+
+libs = []
+
+if "SCONS_LIB_DIR" in os.environ:
+    libs.append(os.environ["SCONS_LIB_DIR"])
+
+# running from source takes 2nd priority (since 2.3.2), following SCONS_LIB_DIR
+source_path = os.path.join(script_path, os.pardir)
+if os.path.isdir(source_path):
+    libs.append(source_path)
+
+# add local-install locations
+local_version = 'scons-local-' + __version__
+local = 'scons-local'
+if script_dir:
+    local_version = os.path.join(script_dir, local_version)
+    local = os.path.join(script_dir, local)
+if os.path.isdir(local_version):
+    libs.append(os.path.abspath(local_version))
+if os.path.isdir(local):
+    libs.append(os.path.abspath(local))
+
+scons_version = 'scons-%s' % __version__
+
+sys.path = libs + sys.path
+
+##############################################################################
+# END STANDARD SCons SCRIPT HEADER
+##############################################################################
+from SCons.Utilities.ConfigureCache import main
+
+if __name__ == "__main__":
+    main()

scons/scons-local-4.5.2/SCons/Environment.py

@@ -1043,6 +1043,12 @@ class SubstitutionEnvironment:
         flags distributed into appropriate construction variables.
         See :meth:`ParseFlags`.
 
+        As a side effect, if *unique* is true, a new object is created
+        for each modified construction variable by the loop at the end.
+        This is silently expected by the :meth:`Override` *parse_flags*
+        functionality, which does not want to share the list (or whatever)
+        with the environment being overridden.
+
         Args:
             args: flags to merge
             unique: merge flags rather than appending (default: True).
@@ -1077,6 +1083,16 @@ class SubstitutionEnvironment:
                     try:
                         orig = orig + value
                     except (KeyError, TypeError):
+                        # If CPPDEFINES is a deque, adding value (a list)
+                        # results in TypeError, so we handle that case here.
+                        # Just in case we got called from Override, make
+                        # sure we make a copy, because we don't go through
+                        # the cleanup loops at the end of the outer for loop,
+                        # which implicitly gives us a new object.
+                        if isinstance(orig, deque):
+                            self[key] = self[key].copy()
+                            self.AppendUnique(CPPDEFINES=value, delete_existing=True)
+                            continue
                         try:
                             add_to_orig = orig.append
                         except AttributeError:
@@ -1095,6 +1111,7 @@ class SubstitutionEnvironment:
                 for v in orig[::-1]:
                     if v not in t:
                         t.insert(0, v)
+
             self[key] = t
 
 
@@ -1419,7 +1436,7 @@ class Base(SubstitutionEnvironment):
             if key == 'CPPDEFINES':
                 _add_cppdefines(self._dict, val)
                 continue
-                
+
             try:
                 orig = self._dict[key]
             except KeyError: