remove -march=x86-64 from CMakeLists.txt

CMakeLists.txt

@@ -126,7 +126,7 @@ message(STATUS "Using Boost include dir at ${Boost_INCLUDE_DIR}")
 ######################################
 # OpenSSL
 if (APPLE AND NOT IOS)
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=x86-64 -fvisibility=default -std=c++11")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=default -std=c++11")
   if (NOT OPENSSL_ROOT_DIR)
       EXECUTE_PROCESS(COMMAND brew --prefix openssl
         OUTPUT_VARIABLE OPENSSL_ROOT_DIR
@@ -158,16 +158,6 @@ if(APPLE)
   endif()
 endif()
 
-if (APPLE AND NOT IOS)
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=x86-64 -fvisibility=default -std=c++11")
-  if (NOT OPENSSL_ROOT_DIR)
-      EXECUTE_PROCESS(COMMAND brew --prefix openssl
-        OUTPUT_VARIABLE OPENSSL_ROOT_DIR
-        OUTPUT_STRIP_TRAILING_WHITESPACE)
-    message(STATUS "Using OpenSSL found at ${OPENSSL_ROOT_DIR}")
-  endif()
-endif()
-
 find_package(HIDAPI)
 if(HIDAPI_FOUND)
     message(STATUS "Using HIDAPI include dir at ${HIDAPI_INCLUDE_DIR}")