From c02345fd7148483550d117d518ad8b1ff34d1f40 Mon Sep 17 00:00:00 2001
From: Esteban Papp <81431996+amznestebanpapp@users.noreply.github.com>
Date: Fri, 18 Jun 2021 11:57:37 -0700
Subject: [PATCH] LYN-4657 OSX: Building AutomatedTesting project fails (#1436)

* LYN-4657 OSX: Building AutomatedTesting project fails

* forgot this file
---
 .../Tests/Serialization/Json/JsonSerializerConformityTests.h    | 2 +-
 cmake/Platform/Common/Clang/Configurations_clang.cmake          | 2 ++
 cmake/Platform/Linux/Configurations_linux.cmake                 | 2 --
 cmake/Platform/Mac/Configurations_mac.cmake                     | 1 -
 4 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/Code/Framework/AzCore/Tests/Serialization/Json/JsonSerializerConformityTests.h b/Code/Framework/AzCore/Tests/Serialization/Json/JsonSerializerConformityTests.h
index 4931c203cf..9d7e58dd36 100644
--- a/Code/Framework/AzCore/Tests/Serialization/Json/JsonSerializerConformityTests.h
+++ b/Code/Framework/AzCore/Tests/Serialization/Json/JsonSerializerConformityTests.h
@@ -1206,7 +1206,7 @@ namespace JsonSerializationTests
         if (this->m_features.m_enableInitializationTest)
         {
             auto instance = this->m_description.CreateDefaultInstance();
-            typename TypeParam::Type compare;
+            typename TypeParam::Type compare = typename TypeParam::Type{};
             if (!this->m_description.AreEqual(*instance, compare))
             {
                 auto serializer = this->m_description.CreateSerializer();
diff --git a/cmake/Platform/Common/Clang/Configurations_clang.cmake b/cmake/Platform/Common/Clang/Configurations_clang.cmake
index 768b7dd4c2..3e01d5ab2d 100644
--- a/cmake/Platform/Common/Clang/Configurations_clang.cmake
+++ b/cmake/Platform/Common/Clang/Configurations_clang.cmake
@@ -55,6 +55,8 @@ ly_append_configurations_options(
         -g # debug symbols
     COMPILATION_RELEASE
         -O2
+    LINK_NON_STATIC
+        -Wl,-undefined,error
 )
 
 include(cmake/Platform/Common/TargetIncludeSystemDirectories_supported.cmake)
diff --git a/cmake/Platform/Linux/Configurations_linux.cmake b/cmake/Platform/Linux/Configurations_linux.cmake
index cca363590e..d3e639e714 100644
--- a/cmake/Platform/Linux/Configurations_linux.cmake
+++ b/cmake/Platform/Linux/Configurations_linux.cmake
@@ -21,8 +21,6 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
         COMPILATION
             -fPIC
             -msse4.1
-        LINK_NON_STATIC
-            -Wl,--no-undefined
     )
     ly_set(CMAKE_CXX_EXTENSIONS OFF)
 else()
diff --git a/cmake/Platform/Mac/Configurations_mac.cmake b/cmake/Platform/Mac/Configurations_mac.cmake
index 007c13cd6d..85b0b7e92e 100644
--- a/cmake/Platform/Mac/Configurations_mac.cmake
+++ b/cmake/Platform/Mac/Configurations_mac.cmake
@@ -20,7 +20,6 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
             __APPLE__
             DARWIN
         LINK_NON_STATIC
-            -Wl,-undefined,error
             -headerpad_max_install_names
             -lpthread
             -lncurses