diff --git a/AVSCommon/Utils/src/UUIDGeneration.cpp b/AVSCommon/Utils/src/UUIDGeneration.cpp
index 0579398d..3bb710c3 100644
--- a/AVSCommon/Utils/src/UUIDGeneration.cpp
+++ b/AVSCommon/Utils/src/UUIDGeneration.cpp
@@ -183,7 +183,7 @@ static void addDefaultSeedLocked() {
     seedsPool.push_front((uint32_t)timeSeed);  // lower 32bits of current time
     seedsPool.push_front(rd());                // random device
     seedsPool.push_front(
-        reinterpret_cast<std::intptr_t>(&timeSeed));  // lower 32bits of memory address of temporary variable
+        reinterpret_cast<std::uintmax_t>(&timeSeed));  // lower 32bits of memory address of temporary variable
 
     if (seedsPool.size() > MAX_SEEDS_POOL_SIZE) {
         seedsPool.resize(MAX_SEEDS_POOL_SIZE);
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a49a5c5b..1a740bea 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,6 +4,15 @@ cmake_minimum_required(VERSION 3.1 FATAL_ERROR)
 project(AlexaClientSDK VERSION 1.26.0 LANGUAGES CXX)
 set(PROJECT_BRIEF "A cross-platform, modular SDK for interacting with the Alexa Voice Service")
 
+set(CMAKE_THREAD_LIBS_INIT "-lpthread")
+set(CMAKE_HAVE_THREADS_LIBRARY 1)
+set(CMAKE_USE_WIN32_THREADS_INIT 0)
+set(CMAKE_USE_PTHREADS_INIT 1)
+set(THREADS_PREFER_PTHREAD_FLAG ON)
+
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fpermissive")
+
+
 # This variable should be used by extension packages to include cmake files from this project.
 get_filename_component(AVS_CORE . ABSOLUTE)
 get_filename_component(AVS_CORE_BINARY ${PROJECT_BINARY_DIR} ABSOLUTE)