diff --git a/CMakeLists.txt b/CMakeLists.txt
index 54eb90e90..d0296c091 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -507,6 +507,9 @@ add_definitions(-DBOOST_ERROR_CODE_HEADER_ONLY
     -DBOOST_REGEX_NO_LIB
 )
 if (USE_SYSTEM_BOOST)
+    if(POLICY CMP0167)
+        cmake_policy(SET CMP0167 NEW) #boost config policy
+    endif()
     find_package(Boost 1.70.0 COMPONENTS container locale serialization iostreams REQUIRED)
 endif()
 
diff --git a/externals/CMakeLists.txt b/externals/CMakeLists.txt
index 2ee7018a3..def146c62 100644
--- a/externals/CMakeLists.txt
+++ b/externals/CMakeLists.txt
@@ -175,19 +175,38 @@ endif()
 # Open Source Archives
 add_subdirectory(open_source_archives)
 
-# faad2
-add_subdirectory(faad2 EXCLUDE_FROM_ALL)
+if (USE_SYSTEM_FAAD2)
+    pkg_check_modules(FAAD2 faad2)
+endif()
+
+if (NOT FAAD2_FOUND)
+    message(STATUS "Using bundled FAAD2")
+    add_subdirectory(faad2 EXCLUDE_FROM_ALL)
+else()
+    message(STATUS "Using system FAAD2")
+    add_library(faad2 INTERFACE)
+    target_include_directories(faad2 INTERFACE ${FAAD2_INCLUDE_DIRS})
+    target_link_libraries(faad2 INTERFACE ${FAAD2_LIBRARIES})
+endif()
+
 
 # Dynamic library headers
 add_library(library-headers INTERFACE)
 
 if (USE_SYSTEM_FFMPEG_HEADERS)
-    find_path(SYSTEM_FFMPEG_INCLUDES NAMES libavutil/avutil.h)
-    if (SYSTEM_FFMPEG_INCLUDES STREQUAL "SYSTEM_FFMPEG_INCLUDES-NOTFOUND")
-        message(WARNING "System FFmpeg headers not found. Falling back on bundled headers.")
+    pkg_check_modules(FFMPEG_LIBAVUTIL libavutil)
+    if (NOT FFMPEG_LIBAVUTIL_FOUND)
+        find_path(SYSTEM_FFMPEG_INCLUDES NAMES libavutil/avutil.h)
+        if (SYSTEM_FFMPEG_INCLUDES STREQUAL "SYSTEM_FFMPEG_INCLUDES-NOTFOUND")
+            message(WARNING "System FFmpeg headers not found. Falling back on bundled headers.")
+        else()
+            message(STATUS "Using system FFmpeg headers.")
+            target_include_directories(library-headers SYSTEM INTERFACE ${SYSTEM_FFMPEG_INCLUDES})
+            set(FOUND_FFMPEG_HEADERS ON)
+        endif()
     else()
-        message(STATUS "Using system FFmpeg headers.")
-        target_include_directories(library-headers SYSTEM INTERFACE ${SYSTEM_FFMPEG_INCLUDES})
+        target_include_directories(library-headers INTERFACE ${FFMPEG_LIBAVUTIL_INCLUDE_DIRS})
+        target_link_libraries(library-headers INTERFACE ${FFMPEG_LIBAVUTIL_LIBRARIES})
         set(FOUND_FFMPEG_HEADERS ON)
     endif()
 endif()
@@ -207,8 +226,12 @@ if(NOT USE_SYSTEM_SOUNDTOUCH)
 endif()
 
 # Teakra
-set(BUILD_TESTING OFF CACHE BOOL "")
-add_subdirectory(teakra EXCLUDE_FROM_ALL)
+if (USE_SYSTEM_TEAKRA)
+    find_package(teakra CONFIG REQUIRED)
+else()
+    set(BUILD_TESTING OFF CACHE BOOL "")
+    add_subdirectory(teakra EXCLUDE_FROM_ALL)
+endif()
 
 # SDL2
 if (ENABLE_SDL2 AND NOT USE_SYSTEM_SDL2)
@@ -446,10 +469,17 @@ if (ENABLE_VULKAN)
         add_subdirectory(spirv-headers EXCLUDE_FROM_ALL)
     endif()
 
-    # spirv-tools
-    # TODO: Implement USE_SYSTEM_SPIRV_TOOLS -OS
+if (USE_SYSTEM_SPIRV_TOOLS)
+    find_package(SPIRV-Tools QUIET)
+endif()
+
+if (SPIRV-Tools_FOUND)
+    message(STATUS "Using system SPIRV-Tools")
+else()
+    message(STATUS "Using bundled SPIRV-Tools")
     set(SPIRV_SKIP_EXECUTABLES ON)
     add_subdirectory(spirv-tools EXCLUDE_FROM_ALL)
+endif()
 
     # glslang
     if(USE_SYSTEM_GLSLANG)
@@ -507,16 +537,19 @@ if (ENABLE_VULKAN)
     endif()
 endif()
 
-set(XXHASH_BUILD_XXHSUM OFF)
-add_subdirectory(xxHash/cmake_unofficial EXCLUDE_FROM_ALL)
-target_compile_definitions(xxhash PRIVATE XXH_FORCE_MEMORY_ACCESS=2)
-if(CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64|AMD64")
-    target_compile_definitions(xxhash PRIVATE XXH_VECTOR=XXH_SSE2)
-    message(STATUS "Enabling SSE2 for xxHash")
-elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|ARM64|armv8")
-    target_compile_definitions(xxhash PRIVATE XXH_VECTOR=XXH_NEON)
-    message(STATUS "Enabling NEON for xxHash")
-else()
-    target_compile_definitions(xxhash PRIVATE XXH_VECTOR=XXH_SCALAR)
-    message(STATUS "Disabling SIMD for xxHash")
-endif()
\ No newline at end of file
+
+if(NOT USE_SYSTEM_XXHASH)
+    set(XXHASH_BUILD_XXHSUM OFF)
+    add_subdirectory(xxHash/cmake_unofficial EXCLUDE_FROM_ALL)
+    target_compile_definitions(xxhash PRIVATE XXH_FORCE_MEMORY_ACCESS=2)
+    if(CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64|AMD64")
+        target_compile_definitions(xxhash PRIVATE XXH_VECTOR=XXH_SSE2)
+        message(STATUS "Enabling SSE2 for xxHash")
+    elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|ARM64|armv8")
+        target_compile_definitions(xxhash PRIVATE XXH_VECTOR=XXH_NEON)
+        message(STATUS "Enabling NEON for xxHash")
+    else()
+        target_compile_definitions(xxhash PRIVATE XXH_VECTOR=XXH_SCALAR)
+        message(STATUS "Disabling SIMD for xxHash")
+    endif()
+endif()
diff --git a/externals/cmake-modules/CitraHandleSystemLibs.cmake b/externals/cmake-modules/CitraHandleSystemLibs.cmake
index 16fa06fdb..e0b4a6dc9 100644
--- a/externals/cmake-modules/CitraHandleSystemLibs.cmake
+++ b/externals/cmake-modules/CitraHandleSystemLibs.cmake
@@ -28,6 +28,11 @@ option(USE_SYSTEM_VMA "Use the system VulkanMemoryAllocator (instead of the bund
 option(USE_SYSTEM_VULKAN_HEADERS "Use the system Vulkan headers (instead of the bundled ones)" OFF)
 option(USE_SYSTEM_SPIRV_HEADERS "Use the system SPIRV headers (instead of the bundled ones)" OFF)
 option(USE_SYSTEM_CATCH2 "Use the system Catch2 (instead of the bundled one)" OFF)
+option(USE_SYSTEM_XXHASH "Use the system xxHash (instead of the bundled one)" OFF)
+option(USE_SYSTEM_SPIRV_TOOLS "Use system-installed SPIRV-Tools" OFF)
+option(USE_SYSTEM_FAAD2 "Use system-installed SPIRV-Tools" OFF)
+option(USE_SYSTEM_TEAKRA "Use system-installed SPIRV-Tools" OFF)
+
 
 # Qt and MoltenVK are handled separately
 CMAKE_DEPENDENT_OPTION(DISABLE_SYSTEM_SDL2 "Disable system SDL2" OFF "USE_SYSTEM_LIBS" OFF)
diff --git a/src/citra_qt/dumping/option_set_dialog.cpp b/src/citra_qt/dumping/option_set_dialog.cpp
index f6d6e4af7..7265294aa 100644
--- a/src/citra_qt/dumping/option_set_dialog.cpp
+++ b/src/citra_qt/dumping/option_set_dialog.cpp
@@ -10,6 +10,10 @@
 #include "common/string_util.h"
 #include "ui_option_set_dialog.h"
 
+#ifndef AV_OPT_TYPE_CHANNEL_LAYOUT
+#define AV_OPT_TYPE_CHANNEL_LAYOUT AV_OPT_TYPE_CHLAYOUT
+#endif
+
 static const std::unordered_map<AVOptionType, const char*> TypeNameMap{{
     {AV_OPT_TYPE_BOOL, QT_TR_NOOP("boolean")},
     {AV_OPT_TYPE_FLAGS, QT_TR_NOOP("flags")},
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index 4b6e74c49..c25f843f3 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -176,4 +176,11 @@ if (SSE42_COMPILE_OPTION)
     target_compile_options(citra_common PRIVATE ${SSE42_COMPILE_OPTION})
 endif()
 
-target_link_libraries(citra_common PUBLIC xxHash::xxhash)
\ No newline at end of file
+if(USE_SYSTEM_XXHASH)
+  pkg_check_modules(XXHASH REQUIRED libxxhash)
+  target_include_directories(citra_common PRIVATE ${XXHASH_INCLUDE_DIRS})
+  target_link_libraries(citra_common PRIVATE ${XXHASH_LIBRARIES})
+  target_compile_options(citra_common PRIVATE ${XXHASH_CFLAGS_OTHER})
+else()
+  target_link_libraries(citra_common PUBLIC xxHash::xxhash)
+endif()
diff --git a/src/core/dumping/ffmpeg_backend.cpp b/src/core/dumping/ffmpeg_backend.cpp
index b38116ed3..5044f1d45 100644
--- a/src/core/dumping/ffmpeg_backend.cpp
+++ b/src/core/dumping/ffmpeg_backend.cpp
@@ -16,6 +16,11 @@
 #include "video_core/gpu.h"
 #include "video_core/renderer_base.h"
 
+
+#ifndef AV_OPT_TYPE_CHANNEL_LAYOUT
+#define AV_OPT_TYPE_CHANNEL_LAYOUT AV_OPT_TYPE_CHLAYOUT
+#endif
+
 using namespace DynamicLibrary;
 
 namespace VideoDumper {