Update build scripts

AMBuildScript

@@ -56,6 +56,7 @@ class ExtensionConfig(object):
     self.sdks = {}
     self.sdk_targets = []
     self.binaries = []
+    self.extensions = []
     self.generated_headers = None
     self.mms_root = None
     self.all_targets = []
@@ -111,9 +112,11 @@ class ExtensionConfig(object):
     if builder.options.mms_path:
       self.mms_root = builder.options.mms_path
     else:
-      self.mms_root = ResolveEnvPath('MMSOURCE110', 'mmsource-1.10')
+      self.mms_root = ResolveEnvPath('MMSOURCE112', 'mmsource-1.12')
       if not self.mms_root:
         self.mms_root = ResolveEnvPath('MMSOURCE', 'metamod-source')
+      if not self.mms_root:
+        self.mms_root = ResolveEnvPath('MMSOURCE_DEV', 'metamod-source')
       if not self.mms_root:
         self.mms_root = ResolveEnvPath('MMSOURCE_DEV', 'mmsource-central')
 
@@ -230,6 +233,9 @@ class ExtensionConfig(object):
             '-Wno-tautological-overlap-compare',
         ]
 
+    if cxx.version >= 'clang-21.0':
+        cxx.cflags += ['-Wno-uninitialized-const-pointer']
+
     if have_gcc:
       cxx.cflags += ['-mfpmath=sse']
       cxx.cflags += ['-Wno-maybe-uninitialized']
@@ -297,9 +303,9 @@ class ExtensionConfig(object):
 
   def configure_mac(self, cxx):
     cxx.defines += ['OSX', '_OSX', 'POSIX', 'KE_ABSOLUTELY_NO_STL']
-    cxx.cflags += ['-mmacosx-version-min=10.7']
+    cxx.cflags += ['-mmacosx-version-min=10.15']
     cxx.linkflags += [
-      '-mmacosx-version-min=10.7',
+      '-mmacosx-version-min=10.15',
       '-stdlib=libc++',
       '-lc++',
     ]
@@ -371,9 +377,6 @@ class ExtensionConfig(object):
 
     SdkHelpers.configureCxx(context, binary, sdk)
 
-    if '-Wno-nontrivial-memcall' in compiler.cflags:
-        compiler.cflags.remove('-Wno-nontrivial-memcall')
-
     return binary
 
   def HL2Library(self, context, compiler, name, sdk):

AMBuilder

@@ -18,4 +18,4 @@ for sdk_name in Extension.sdks:
     
     binary = Extension.HL2Config(project, builder, cxx, 'l4dtoolz_mm', sdk)
 
-Extension.extensions = builder.Add(project)
+Extension.extensions += builder.Add(project)

configure.py

@@ -29,7 +29,7 @@ parser.options.add_argument('--enable-debug', action='store_const', const='1', d
                        help='Enable debugging symbols')
 parser.options.add_argument('--enable-optimize', action='store_const', const='1', dest='opt',
                        help='Enable optimization')
-parser.options.add_argument('-s', '--sdks', default='present', dest='sdks',
+parser.options.add_argument('-s', '--sdks', default='l4d2', dest='sdks',
                        help='Build against specified SDKs; valid args are "none", "all", "present",'
                             ' or comma-delimited list of engine names')
 parser.options.add_argument('--targets', type=str, dest='targets', default=None,