use STREQUAL instead of MATCHES

CMakeLists.txt

@@ -850,9 +850,9 @@ endif()
 
 set(ARCH_FLAGS "")
 
-if (CMAKE_OSX_ARCHITECTURES MATCHES "arm64" OR CMAKE_GENERATOR_PLATFORM_LWR MATCHES "arm64" OR
+if (CMAKE_OSX_ARCHITECTURES STREQUAL "arm64" OR CMAKE_GENERATOR_PLATFORM_LWR STREQUAL "arm64" OR
     (NOT CMAKE_OSX_ARCHITECTURES AND NOT CMAKE_GENERATOR_PLATFORM_LWR AND
-     (CMAKE_SYSTEM_PROCESSOR MATCHES "arm" OR CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64")))
+     (CMAKE_SYSTEM_PROCESSOR MATCHES "arm" OR CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")))
     message(STATUS "ARM detected")
     if (MSVC)
         add_compile_definitions(__ARM_NEON)
@@ -878,7 +878,7 @@ if (CMAKE_OSX_ARCHITECTURES MATCHES "arm64" OR CMAKE_GENERATOR_PLATFORM_LWR MATC
             list(APPEND ARCH_FLAGS -mno-unaligned-access)
         endif()
     endif()
-elseif (CMAKE_OSX_ARCHITECTURES MATCHES "x86_64" OR CMAKE_GENERATOR_PLATFORM_LWR MATCHES "^(x86_64|i686|amd64|x64|win32)$" OR
+elseif (CMAKE_OSX_ARCHITECTURES STREQUAL "x86_64" OR CMAKE_GENERATOR_PLATFORM_LWR MATCHES "^(x86_64|i686|amd64|x64|win32)$" OR
         (NOT CMAKE_OSX_ARCHITECTURES AND NOT CMAKE_GENERATOR_PLATFORM_LWR AND
          (CMAKE_SYSTEM_PROCESSOR MATCHES "^(x86_64|i686|AMD64)$")))
     message(STATUS "x86 detected")