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List:       cfe-dev
Subject:    Re: [cfe-dev] clang + cygwin + -ferror-limit does not work when there are no errors
From:       Guilherme <guibufolo+llvm () gmail ! com>
Date:       2015-01-29 9:50:46
Message-ID: CAMDzUtwhoY6BWHJyXSnzQvoZhGfd8-E62=HuoPU7gZUuhXS9kw () mail ! gmail ! com
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-integrated-as worked for compiling. Is there a similar switch for the linker?

And how do i get clang to output ALL of its known options? clang++
--help does not output -integrated-as as one of the possible
arguments.

On Wed, Jan 28, 2015 at 7:03 PM, Reid Kleckner <rnk@google.com> wrote:
> First, it would be nice if Clang used the integrated assembler on Cygwin by
> default. I don't recall why it is disabled by default. Try passing
> -integrated-as to clang to get this behavior locally.
>
> I believe GCC is being used because finding an appropriate 'as' to run (it
> could be triple prefixed) is hard.
>
> On Wed, Jan 28, 2015 at 9:36 AM, Guilherme <guibufolo+llvm@gmail.com> wrote:
>>
>> Hello,
>>
>> I was building and notices something strange. When build errors
>> occurrs all works fine but when no errors are present, the flag is
>> passed to gcc. Same thing happens with the -fcolor-diagnostic flag.
>>
>> Two odd things here:
>>
>> 1. Why is the flag passed on to gcc?
>> 2. Why is gcc being used at all?
>>
>> Console output:
>>
>>     uidw8099@FRL2T93G ~/playground/SM_Test/build master $clang -Werror
>> -pedantic -xc -c -MD -MF int_sm.o.dep -std=c99 -ferror-limit=10
>> ../int_Yes_StateMachine.c -o int_sm.o
>>     (errors properly printed)
>>     2 errors generated.
>>
>>     uidw8099@FRL2T93G ~/playground/SM_Test/build master $clang -Werror
>> -pedantic -xc -c -MD -MF int_sm.o.dep -std=c99 -ferror-limit=10
>> ../int_Yes_StateMachine.c -o int_sm.o
>>     gcc: error: unrecognized command line option ‘-ferror-limit=10'
>>     clang: error: assembler (via gcc) command failed with exit code 1
>> (use -v to see invocation)
>>
>> What is going on here?
>>
>> Thank you.
>>
>> _______________________________________________
>> cfe-dev mailing list
>> cfe-dev@cs.uiuc.edu
>> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev
>
>

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