链接现象：
<Linking>
>> warning: missing DW_AT_name attribute
>> warning: function definitions in CSU declarations are not supported
>> warning: missing DW_AT_name attribute
>> warning: function definitions in CSU declarations are not supported
>> warning: missing DW_AT_name attribute
>> warning: function definitions in CSU declarations are not supported
>> warning: missing DW_AT_name attribute
>> warning: function definitions in CSU declarations are not supported
>> warning: missing DW_AT_name attribute
>> warning: function definitions in CSU declarations are not supported
>> warning: missing DW_AT_name attribute
>> warning: function definitions in CSU declarations are not supported

Build Complete,
0 Errors, 12 Warnings, 0 Remarks.

解决办法：
这个警告可以通过添加链接选项 --no_sym_merge 去掉，可能是禁止符号合并的意思。