Externals: Add Xbyak

.gitmodules

@@ -16,3 +16,6 @@
 [submodule "dynarmic"]
     path = externals/dynarmic
     url = https://github.com/MerryMage/dynarmic.git
+[submodule "xbyak"]
+    path = externals/xbyak
+    url = https://github.com/herumi/xbyak.git

CMakeLists.txt

@@ -256,6 +256,8 @@ set(INI_PREFIX "${CMAKE_CURRENT_SOURCE_DIR}/externals/inih")
 include_directories(${INI_PREFIX})
 add_subdirectory(${INI_PREFIX})
 
+add_subdirectory(externals)
+
 option(DYNARMIC_TESTS OFF)
 add_subdirectory(externals/dynarmic)
 

externals/CMakeLists.txt

@@ -0,0 +1,8 @@
+# Xbyak
+if (ARCHITECTURE_x86_64)
+    add_library(xbyak INTERFACE)
+    target_include_directories(xbyak INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/xbyak/xbyak)
+    if (NOT MSVC)
+        target_compile_options(xbyak INTERFACE -fno-operator-names)
+    endif()
+endif()