From 4d517922856791decfed475cdd536aedcaa25c30 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Tue, 21 Jul 2015 19:49:33 -0400
Subject: Common: Ported over Dolphin's code for x86 CPU capability detection.

---
 CMakeLists.txt | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

(limited to 'CMakeLists.txt')

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a02b85da3..17a0a9761 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,8 +11,8 @@ if(NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/.git/hooks/pre-commit)
 endif()
 
 if (NOT MSVC)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wno-attributes -pthread")
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wno-attributes -pthread -msse4.2")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread -msse4.2")
 else()
     # Silence "deprecation" warnings
     add_definitions(/D_CRT_SECURE_NO_WARNINGS /D_CRT_NONSTDC_NO_DEPRECATE)
@@ -51,6 +51,17 @@ else()
     set(CMAKE_EXE_LINKER_FLAGS_RELEASE "/DEBUG /INCREMENTAL:NO /OPT:REF,ICF" CACHE STRING "" FORCE)
 endif()
 
+# Platform-agnostic definition to check if we are on x86_64
+if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "^x86" OR
+   ${CMAKE_SYSTEM_PROCESSOR} MATCHES "i.86" OR
+   ${CMAKE_SYSTEM_PROCESSOR} MATCHES "[aA][mM][dD]64" OR
+   APPLE)
+    if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+        set(ARCHITECTURE_X64 1)
+        add_definitions(-DARCHITECTURE_X64=1)
+    endif()
+endif()
+
 add_definitions(-DSINGLETHREADED)
 # CMake seems to only define _DEBUG on Windows
 set_property(DIRECTORY APPEND PROPERTY
-- 
cgit v1.2.3