diff --git a/SConscript b/SConscript
index 7322aa0..c140ea2 100644
--- a/SConscript
+++ b/SConscript
@@ -36,7 +36,7 @@ def _inject_dependency(dependency, kwargs: dict, add_sources: bool = True) -> No
         _inject_list(kwargs, dependency, 'CPPDEFINES')
         _inject_list(kwargs, dependency, 'LIBPATH')
         _inject_list(kwargs, dependency, 'LIBS')
-        if add_sources and 'ADDITIONAL_SOURCES' in dependency:
+        if add_sources and 'ADDITIONAL_SOURCES' in dependency and hasattr(kwargs['source'], 'extend'):
             kwargs['source'].extend(dependency['ADDITIONAL_SOURCES'])
         if 'DEPENDENCIES' in dependency:
             for inner_dependency in dependency['DEPENDENCIES']:
@@ -299,9 +299,11 @@ if env['COMPILER_FAMILY'] == 'gcc' or env['COMPILER_FAMILY'] == 'clang':
         # GCC complains about missing initializer for "<anonymous>" that doesn't exist :/
         # also GCC complains about some (compiler generated) fields in coroutines not having any linkage
         # also -Wdangling-reference seems to produce a lot of false positives
-        # also -Wmaybe-uninitialized seems to produce false positives (or a bug in the standard library?)
+        # also -Wmaybe-uninitialized seems to produce false positives (or a bug in the standard library?))
+        # -Winit-list-lifetime triggers in vulkan.hpp even though it is disabled via pragma :/
         env.Append(CCFLAGS = ['-Wno-missing-field-initializers', '-Wno-maybe-uninitialized'])
-        env.Append(CXXFLAGS = ['-Wno-subobject-linkage', '-Wno-dangling-reference'])
+        env.Append(CXXFLAGS = ['-Wno-subobject-linkage', '-Wno-dangling-reference', '-Wno-init-list-lifetime'])
+
     else:
         # no-gnu-anonymous-struct - we don't care
         env.Append(CCFLAGS = ['-Wno-gnu-anonymous-struct'])
@@ -354,6 +356,10 @@ env.AddMethod(_wrap_builder(env.UnityLibrary, is_lib = True), 'UnityLibrary')
 env.AddMethod(_wrap_builder(env.UnityStaticLibrary, is_lib = True), 'UnityStaticLibrary')
 env.AddMethod(_wrap_builder(env.UnitySharedLibrary, is_lib = True), 'UnitySharedLibrary')
 
+if hasattr(env, 'Gch'):
+    env.AddMethod(_wrap_builder(env.Gch), 'Gch')
+
+
 if dump_env:
     print('==== Begin Environment Dump =====')
     print(env.Dump())