Fix various warnings (#2002)

darbyjohnston · web-flow · commit af13ccb6d8fa · 2026-03-26T12:36:56.000-07:00
* Fix various warnings

Signed-off-by: Darby Johnston &lt;darbyjohnston@yahoo.com&gt;

* Revert changes

Signed-off-by: Darby Johnston &lt;darbyjohnston@yahoo.com&gt;

---------

Signed-off-by: Darby Johnston &lt;darbyjohnston@yahoo.com&gt;
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -1,6 +1,8 @@
 # FindPython's Development.Module component was added in 3.18.
 # Require 3.18.2+ because pybind11 recommends it.
 cmake_minimum_required(VERSION 3.18.2)
+# This policy CMP0177 can be removed when we upgrade to CMake >= 3.31.
+cmake_policy(SET CMP0177 NEW)
 
 #------------------------------------------------------------------------------
 # Project Metadata
diff --git a/src/opentimelineio/serializableObject.h b/src/opentimelineio/serializableObject.h
@@ -162,7 +162,7 @@ class OTIO_API_TYPE SerializableObject
         template <typename T>
         bool read(std::string const& key, Retainer<T>* dest)
         {
-            SerializableObject* so;
+            SerializableObject* so = nullptr;
             if (!read(key, &so))
             {
                 return false;

Original file line number	Diff line number	Diff line change
`@@ -162,7 +162,7 @@ class OTIO_API_TYPE SerializableObject`
`162`	`162`	`template <typename T>`
`163`	`163`	`bool read(std::string const& key, Retainer<T>* dest)`
`164`	`164`	`{`
`165`		`- SerializableObject* so;`
	`165`	`+ SerializableObject* so = nullptr;`
`166`	`166`	`if (!read(key, &so))`
`167`	`167`	`{`
`168`	`168`	`return false;`