diff --git a/cmake/FindMilesSDK.cmake b/cmake/FindMilesSDK.cmake
new file mode 100644
index 00000000..57da3a6e
--- /dev/null
+++ b/cmake/FindMilesSDK.cmake
@@ -0,0 +1,34 @@
+# - Find Miles SDK
+# Find the Miles SDK header + import library
+#
+#  MilesSDK_INCLUDE_DIR - Where to find mss.h
+#  MilesSDK_LIBRARIES   - List of libraries when using MilesSDK.
+#  MilesSDK_FOUND       - True if Miles SDK found.
+#  MilesSDK::MilesSDK   - Imported library of Miles SDK
+
+find_path(MilesSDK_INCLUDE_DIR mss.h
+    PATHS "${MilesSDK_DIR}"
+    PATH_SUFFIXES include
+)
+
+if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+    set(_miles_sdk_libname mss64)
+else()
+    set(_miles_sdk_libname mss32)
+endif()
+
+find_library(MilesSDK_LIBRARIES NAMES ${_miles_sdk_libname}
+    PATHS "${MilesSDK_DIR}"
+    PATH_SUFFIXES lib
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(MilesSDK DEFAULT_MSG MilesSDK_LIBRARIES MilesSDK_INCLUDE_DIR)
+
+if(NOT TARGET MilesSDK::MilesSDK)
+    add_library(MilesSDK::MilesSDK UNKNOWN IMPORTED)
+    set_target_properties(MilesSDK::MilesSDK PROPERTIES
+        IMPORTED_LOCATION "${MilesSDK_LIBRARIES}
+        INTERFACE_INCLUDE_DIRECTORIES "${MilesSDK_INCLUDE_DIR}"
+    )
+endif()
diff --git a/cmake/FindSndFile.cmake b/cmake/FindSndFile.cmake
index f0e2883e..5381af48 100644
--- a/cmake/FindSndFile.cmake
+++ b/cmake/FindSndFile.cmake
@@ -51,13 +51,10 @@ set(SNDFILE_CFLAGS "${PKG_SNDFILE_CFLAGS_OTHER}" CACHE STRING "CFLAGS of libsndf
 set(SNDFILE_INCLUDE_DIRS "${SNDFILE_INCLUDE_DIR}")
 set(SNDFILE_LIBRARIES "${SNDFILE_LIBRARY}")
 
-if (SNDFILE_INCLUDE_DIRS AND SNDFILE_LIBRARIES)
-set(SNDFILE_FOUND TRUE)
-endif (SNDFILE_INCLUDE_DIRS AND SNDFILE_LIBRARIES)
+if(SNDFILE_INCLUDE_DIRS AND SNDFILE_LIBRARIES)
+    set(SNDFILE_FOUND TRUE)
+endif()
 
-
-# handle the QUIETLY and REQUIRED arguments and set SndFile_FOUND to TRUE if
-# all listed variables are TRUE
 include(FindPackageHandleStandardArgs)
 find_package_handle_standard_args(SndFile DEFAULT_MSG SNDFILE_INCLUDE_DIRS SNDFILE_LIBRARIES)
 
diff --git a/cmake/Findmpg123.cmake b/cmake/Findmpg123.cmake
index 365d65ff..c6fe56bb 100644
--- a/cmake/Findmpg123.cmake
+++ b/cmake/Findmpg123.cmake
@@ -26,8 +26,6 @@ find_library(mpg123_LIBRARIES NAMES mpg123 mpg123-0
 
 set(mpg123_CFLAGS "${PKG_MPG123_CFLAGS_OTHER}" CACHE STRING "CFLAGS of mpg123")
 
-# handle the QUIETLY and REQUIRED arguments and set mpg123_FOUND to TRUE if
-# all listed variables are TRUE
 include(FindPackageHandleStandardArgs)
 find_package_handle_standard_args(mpg123 DEFAULT_MSG mpg123_LIBRARIES mpg123_INCLUDE_DIR)
 
diff --git a/cmake/Findopusfile.cmake b/cmake/Findopusfile.cmake
index 43d285eb..faae7645 100644
--- a/cmake/Findopusfile.cmake
+++ b/cmake/Findopusfile.cmake
@@ -52,9 +52,6 @@ if (OPUSFILE_INCLUDE_DIRS AND OPUSFILE_LIBRARIES)
 set(OPUSFILE_FOUND TRUE)
 endif (OPUSFILE_INCLUDE_DIRS AND OPUSFILE_LIBRARIES)
 
-
-# handle the QUIETLY and REQUIRED arguments and set Opusfile_FOUND to TRUE if
-# all listed variables are TRUE
 include(FindPackageHandleStandardArgs)
 find_package_handle_standard_args(opusfile DEFAULT_MSG OPUSFILE_INCLUDE_DIRS OPUSFILE_LIBRARIES)
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e943b908..a7c2a3d7 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -36,6 +36,13 @@ target_compile_definitions(re3
         RE3_NO_AUTOLINK
 )
 
+if(LIBRW_PLATFORM_D3D9)
+    target_compile_definitions(re3
+        PUBLIC
+            USE_D3D9
+    )
+endif()
+
 if(RE3_AUDIO STREQUAL "OAL")
     find_package(OpenAL REQUIRED)
     target_include_directories(re3 PRIVATE ${OPENAL_INCLUDE_DIR})
@@ -43,7 +50,9 @@ if(RE3_AUDIO STREQUAL "OAL")
     target_compile_definitions(re3 PRIVATE ${OPENAL_DEFINITIONS})
     target_compile_definitions(re3 PRIVATE AUDIO_OAL)
 elseif(RE3_AUDIO STREQUAL "MSS")
+    find_package(MilesSDK REQUIRED)
     target_compile_definitions(re3 PRIVATE AUDIO_MSS)
+    target_link_libraries(re3 PRIVATE MilesSDK::MilesSDK)
 endif()
 
 if(RE3_WITH_OPUS)