Revert pull #1228

CMakeLists.txt

@@ -197,11 +197,7 @@ if (SPDLOG_INSTALL)
 
     include(CMakePackageConfigHelpers)
     configure_file("${project_config_in}" "${project_config_out}" @ONLY)
-    if(${CMAKE_VERSION} VERSION_GREATER_EQUAL 3.14)
-        write_basic_package_version_file("${version_config_file}" COMPATIBILITY SameMajorVersion ARCH_INDEPENDENT)
-    else()
     write_basic_package_version_file("${version_config_file}" COMPATIBILITY SameMajorVersion)
-    endif()
     install(FILES
             "${project_config_out}"
             "${version_config_file}" DESTINATION "${export_dest_dir}")