CMakeLists: Use CMAKE_THREAD_LIBS_INIT

CMakeLists.txt

@@ -65,8 +65,8 @@ endif()
 message(STATUS "Target architecture: ${ARCHITECTURE}")
 
 if (NOT MSVC)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++1y -Wno-attributes -pthread")
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++1y -Wno-attributes")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
 
     if (ARCHITECTURE_x86_64)
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4.1")
@@ -135,6 +135,8 @@ list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/externals/cmake-modules")
 find_package(OpenGL REQUIRED)
 include_directories(${OPENGL_INCLUDE_DIR})
 
+find_package(Threads REQUIRED)
+
 if (ENABLE_SDL2)
     if (CITRA_USE_BUNDLED_SDL2)
         # Detect toolchain and platform

src/citra/CMakeLists.txt

@@ -21,7 +21,7 @@ target_link_libraries(citra ${SDL2_LIBRARY} ${OPENGL_gl_LIBRARY} inih glad)
 if (MSVC)
     target_link_libraries(citra getopt)
 endif()
-target_link_libraries(citra ${PLATFORM_LIBRARIES})
+target_link_libraries(citra ${PLATFORM_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
 
 if(${CMAKE_SYSTEM_NAME} MATCHES "Linux|FreeBSD|OpenBSD|NetBSD")
     install(TARGETS citra RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}/bin")