diff --git a/CMakeLists.txt b/CMakeLists.txt
index 909f35a12..39dc6eaa7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.16...3.25)
 
 if(OBS_CMAKE_VERSION VERSION_GREATER_EQUAL 3.0.0)
-  include("${CMAKE_CURRENT_SOURCE_DIR}/cmake/common/bootstrap.cmake")
+  include("${CMAKE_CURRENT_SOURCE_DIR}/cmake/common/bootstrap.cmake" NO_POLICY_SCOPE)
 
   project(obs-studio VERSION ${OBS_VERSION_CANONICAL})
 
diff --git a/cmake/common/bootstrap.cmake b/cmake/common/bootstrap.cmake
index c17ef91c6..38985d28a 100644
--- a/cmake/common/bootstrap.cmake
+++ b/cmake/common/bootstrap.cmake
@@ -1,21 +1,40 @@
 # OBS CMake bootstrap module
 
+include_guard(GLOBAL)
+
 # Enable automatic PUSH and POP of policies to parent scope
 if(POLICY CMP0011)
   cmake_policy(SET CMP0011 NEW)
 endif()
 
-# Prohibit in-source builds
-if("${CMAKE_BINARY_DIR}" STREQUAL "${CMAKE_SOURCE_DIR}")
-  message(
-    FATAL_ERROR
-      "OBS: In-source builds of OBS are not supported. Specify a build directory via 'cmake -S <SOURCE DIRECTORY> -B <BUILD_DIRECTORY>' instead."
-  )
+# Enable distinction between Clang and AppleClang
+if(POLICY CMP0025)
+  cmake_policy(SET CMP0025 NEW)
+endif()
+
+# Enable strict checking of "break()" usage
+if(POLICY CMP0055)
+  cmake_policy(SET CMP0055 NEW)
+endif()
+
+# Honor visibility presets for all target types (executable, shared, module, static)
+if(POLICY CMP0063)
+  cmake_policy(SET CMP0063 NEW)
+endif()
+
+# Disable export function calls to populate package registry by default
+if(POLICY CMP0090)
+  cmake_policy(SET CMP0090 NEW)
+endif()
+# Prohibit in-source builds
+if("${CMAKE_CURRENT_BINARY_DIR}" STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}")
+  message(FATAL_ERROR "In-source builds of OBS are not supported. "
+                      "Specify a build directory via 'cmake -S <SOURCE DIRECTORY> -B <BUILD_DIRECTORY>' instead.")
+  file(REMOVE_RECURSE "${CMAKE_CURRENT_SOURCE_DIR}/CMakeCache.txt" "${CMAKE_CURRENT_SOURCE_DIR}/CMakeFiles")
 endif()
-file(REMOVE_RECURSE "${CMAKE_SOURCE_DIR}/CMakeCache.txt" "${CMAKE_SOURCE_DIR}/CMakeFiles")
 
 # Use folders for source file organization with IDE generators (Visual Studio/Xcode)
-set_property(GLOBAL PROPERTY USE_FOLDERS ON)
+set_property(GLOBAL PROPERTY USE_FOLDERS TRUE)
 
 # Set default global project variables
 set(OBS_COMPANY_NAME "OBS Project")
@@ -23,9 +42,9 @@ set(OBS_PRODUCT_NAME "OBS Studio")
 set(OBS_WEBSITE "https://www.obsproject.com")
 set(OBS_COMMENTS "Free and open source software for video recording and live streaming")
 set(OBS_LEGAL_COPYRIGHT "(C) Lain Bailey")
+set(OBS_CMAKE_VERSION 3.0.0)
 
 # Configure default version strings
-message(DEBUG "Setting default project version variables...")
 set(_obs_default_version "0" "0" "1")
 set(_obs_release_candidate "0" "0" "0" "0")
 set(_obs_beta "0" "0" "0" "0")
@@ -38,7 +57,7 @@ include(buildnumber)
 include(osconfig)
 
 # Allow selection of common build types via UI
-if(NOT CMAKE_BUILD_TYPE)
+if(NOT CMAKE_GENERATOR MATCHES "(Xcode|Visual Studio .+)")
   set(CMAKE_BUILD_TYPE
       "RelWithDebInfo"
       CACHE STRING "OBS build type [Release, RelWithDebInfo, Debug, MinSizeRel]" FORCE)
diff --git a/cmake/common/buildnumber.cmake b/cmake/common/buildnumber.cmake
index e20ac5b80..5f1bee564 100644
--- a/cmake/common/buildnumber.cmake
+++ b/cmake/common/buildnumber.cmake
@@ -1,8 +1,10 @@
 # OBS CMake build number module
 
+include_guard(GLOBAL)
+
 # Define build number cache file
 set(_BUILD_NUMBER_CACHE
-    "${CMAKE_SOURCE_DIR}/cmake/.CMakeBuildNumber"
+    "${CMAKE_CURRENT_SOURCE_DIR}/cmake/.CMakeBuildNumber"
     CACHE INTERNAL "OBS build number cache file")
 
 # Read build number from cache file or manual override
diff --git a/cmake/common/ccache.cmake b/cmake/common/ccache.cmake
index f63f2ab83..f3d1eb57f 100644
--- a/cmake/common/ccache.cmake
+++ b/cmake/common/ccache.cmake
@@ -1,5 +1,7 @@
 # OBS CMake ccache module
 
+include_guard(GLOBAL)
+
 if(NOT DEFINED CCACHE_PROGRAM)
   message(DEBUG "Trying to find ccache on build host...")
   find_program(CCACHE_PROGRAM "ccache")
@@ -7,7 +9,7 @@ if(NOT DEFINED CCACHE_PROGRAM)
 endif()
 
 if(CCACHE_PROGRAM)
-  message(DEBUG "CCache found as ${CCACHE_PROGRAM}...")
+  message(DEBUG "Ccache found as ${CCACHE_PROGRAM}...")
   option(ENABLE_CCACHE "Enable compiler acceleration with ccache" ON)
 
   if(ENABLE_CCACHE)
diff --git a/cmake/common/compiler_common.cmake b/cmake/common/compiler_common.cmake
index def41575a..171342a75 100644
--- a/cmake/common/compiler_common.cmake
+++ b/cmake/common/compiler_common.cmake
@@ -1 +1,3 @@
 # OBS CMake common compiler options module
+
+include_guard(GLOBAL)
diff --git a/cmake/common/cpackconfig_common.cmake b/cmake/common/cpackconfig_common.cmake
index e68bbedb0..a8bf55ca9 100644
--- a/cmake/common/cpackconfig_common.cmake
+++ b/cmake/common/cpackconfig_common.cmake
@@ -1,5 +1,7 @@
 # OBS CMake common CPack module
 
+include_guard(GLOBAL)
+
 # Set default global CPack variables
 set(CPACK_PACKAGE_NAME obs-studio)
 set(CPACK_PACKAGE_VENDOR "${OBS_WEBSITE}")
diff --git a/cmake/common/helpers_common.cmake b/cmake/common/helpers_common.cmake
index ea2365a5a..db423731b 100644
--- a/cmake/common/helpers_common.cmake
+++ b/cmake/common/helpers_common.cmake
@@ -8,6 +8,8 @@
 # cmake-lint: disable=R0915
 # cmake-format: on
 
+include_guard(GLOBAL)
+
 # message_configuration: Function to print configuration outcome
 function(message_configuration)
   include(FeatureSummary)
@@ -31,6 +33,7 @@ function(message_configuration)
     COMPARE NATURAL
     CASE SENSITIVE
     ORDER ASCENDING)
+
   if(OBS_FEATURES_ENABLED)
     message(NOTICE "------------------------       Enabled Features           ------------------------")
     foreach(feature IN LISTS OBS_FEATURES_ENABLED)
@@ -44,6 +47,7 @@ function(message_configuration)
     COMPARE NATURAL
     CASE SENSITIVE
     ORDER ASCENDING)
+
   if(OBS_FEATURES_DISABLED)
     message(NOTICE "------------------------       Disabled Features          ------------------------")
     foreach(feature IN LISTS OBS_FEATURES_DISABLED)
@@ -58,6 +62,7 @@ function(message_configuration)
       COMPARE NATURAL
       CASE SENSITIVE
       ORDER ASCENDING)
+
     if(OBS_MODULES_ENABLED)
       message(NOTICE "------------------------        Enabled Modules           ------------------------")
       foreach(feature IN LISTS OBS_MODULES_ENABLED)
@@ -71,6 +76,7 @@ function(message_configuration)
       COMPARE NATURAL
       CASE SENSITIVE
       ORDER ASCENDING)
+
     if(OBS_MODULES_DISABLED)
       message(NOTICE "------------------------        Disabled Modules          ------------------------")
       foreach(feature IN LISTS OBS_MODULES_DISABLED)
diff --git a/cmake/common/osconfig.cmake b/cmake/common/osconfig.cmake
index 6b692fcfc..7fbb21016 100644
--- a/cmake/common/osconfig.cmake
+++ b/cmake/common/osconfig.cmake
@@ -1,5 +1,7 @@
 # OBS CMake operating system bootstrap module
 
+include_guard(GLOBAL)
+
 # Set minimum CMake version specific to host operating system, add OS-specific module directory to default search paths,
 # and set helper variables for OS detection in other CMake list files.
 if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
diff --git a/cmake/common/versionconfig.cmake b/cmake/common/versionconfig.cmake
index 43a92f9f7..17640fc3c 100644
--- a/cmake/common/versionconfig.cmake
+++ b/cmake/common/versionconfig.cmake
@@ -4,6 +4,8 @@
 # cmake-lint: disable=C0301
 # cmake-format: on
 
+include_guard(GLOBAL)
+
 # Attempt to automatically discover expected OBS version
 if(NOT DEFINED OBS_VERSION_OVERRIDE)
   if(DEFINED RELEASE_CANDIDATE)
@@ -23,7 +25,7 @@ if(NOT DEFINED OBS_VERSION_OVERRIDE)
     else()
       message(FATAL_ERROR "Invalid beta version supplied - must be <MAJOR>.<MINOR>.<PATCH>-beta<RELEASE>.")
     endif()
-  elseif(EXISTS "${CMAKE_SOURCE_DIR}/.git")
+  elseif(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/.git")
     execute_process(
       COMMAND git describe --always --tags --dirty=-modified
       OUTPUT_VARIABLE _obs_version
diff --git a/cmake/macos/compilerconfig.cmake b/cmake/macos/compilerconfig.cmake
index 6ec013621..2e5bfedaa 100644
--- a/cmake/macos/compilerconfig.cmake
+++ b/cmake/macos/compilerconfig.cmake
@@ -1,14 +1,6 @@
 # OBS CMake macOS compiler configuration module
 
-# Enable distinction between Clang and AppleClang
-if(POLICY CMP0025)
-  cmake_policy(SET CMP0025 NEW)
-endif()
-
-# Honor visibility presets for all target types (executable, shared, module, static)
-if(POLICY CMP0063)
-  cmake_policy(SET CMP0063 NEW)
-endif()
+include_guard(GLOBAL)
 
 include(ccache)
 include(compiler_common)
diff --git a/cmake/macos/defaults.cmake b/cmake/macos/defaults.cmake
index 581572198..36f9b2a73 100644
--- a/cmake/macos/defaults.cmake
+++ b/cmake/macos/defaults.cmake
@@ -1,12 +1,6 @@
 # OBS CMake macOS defaults module
 
-# Enable selection between arm64 and x86_64 targets
-if(NOT CMAKE_OSX_ARCHITECTURES)
-  set(CMAKE_OSX_ARCHITECTURES
-      arm64
-      CACHE STRING "Build architectures for macOS" FORCE)
-endif()
-set_property(CACHE CMAKE_OSX_ARCHITECTURES PROPERTY STRINGS arm64 x86_64)
+include_guard(GLOBAL)
 
 # Set empty codesigning team if not specified as cache variable
 if(NOT OBS_CODESIGN_TEAM)
diff --git a/cmake/macos/helpers.cmake b/cmake/macos/helpers.cmake
index 957087049..a04f1167e 100644
--- a/cmake/macos/helpers.cmake
+++ b/cmake/macos/helpers.cmake
@@ -7,6 +7,8 @@
 # cmake-lint: disable=E1126
 # cmake-format: on
 
+include_guard(GLOBAL)
+
 include(helpers_common)
 
 # set_target_properties_obs: Set target properties for use in obs-studio
diff --git a/cmake/macos/xcode.cmake b/cmake/macos/xcode.cmake
index dd304a2b4..c397f2702 100644
--- a/cmake/macos/xcode.cmake
+++ b/cmake/macos/xcode.cmake
@@ -1,5 +1,7 @@
 # OBS CMake macOS Xcode module
 
+include_guard(GLOBAL)
+
 # Use a compiler wrapper to enable ccache in Xcode projects
 if(ENABLE_CCACHE AND CCACHE_PROGRAM)
   configure_file("${CMAKE_SOURCE_DIR}/cmake/macos/resources/ccache-launcher-c.in" ccache-launcher-c)