diff -Naur libaom-3.4.0/build/cmake/aom_configure.cmake external_aom/build/cmake/aom_configure.cmake
--- libaom-3.4.0/build/cmake/aom_configure.cmake	2022-06-17 11:46:18 -0600
+++ external_aom/build/cmake/aom_configure.cmake	2022-10-16 15:35:54 -0600
@@ -15,8 +15,12 @@
 
 include(FindGit)
 include(FindPerl)
-include(FindThreads)
-
+# Blender: This will drag in a dep on libwinpthreads which we prefer
+# not to have, aom will fallback on a native win32 thread wrapper
+# if pthreads are not found.
+if(NOT WIN32)
+  include(FindThreads)
+endif()
 include("${AOM_ROOT}/build/cmake/aom_config_defaults.cmake")
 include("${AOM_ROOT}/build/cmake/aom_experiment_deps.cmake")
 include("${AOM_ROOT}/build/cmake/aom_optimization.cmake")