Re: [Tinycc-devel] [PATCH] Don't break compilation process with unknow option

[Sergey Korshunoff]

> I'd prefer a patch that just gives a warning for unknown -W option.

And how about the test case:
  tcc -Wunsupported -traditional -E tcc.c -o tcc.i
What is purpose of the -Wunsupported ? How to tell a tcc don't break a
compilation process if there is an unknown option? Consider a
compilation of the linux kernel.


2015-01-05 0:01 GMT+03:00, RoboTux <address@hidden>:
> Le 2015-01-04 04:42, Sergey Korshunoff a écrit :
>>> GCC and clang also error out for unknown option. What option caused
>>> your
>> program to fail to compile?
>>
>> The patch is for the case with -Wunsupported. In such case a user will
>> is "Don't trap, only warning". There are many gcc options which tcc
>> don't support. But in many cases, this options are not important.
>> Changing a Makefiles is not a solution when trying to use tcc insteed
>> of gcc.
>> And a patch test command is:
>>  /tcc -Wunsupported -traditional -E tcc.c -o tcc.i
>
> I'd prefer a patch that just gives a warning for unknown -W option. It
> would be just like if the detection was really bad. Doing the same for
> other options would be more risky IMHO. That would avoid rewriting the
> Makefile to only add switches to CFLAGS that are supported by the
> compiler as it should have been done ;-) (no blame, we all do this).
>
> Best regards,
>
> Thomas
>