[cfe-dev] notes without warnings and a question to -cc1

[Argyrios Kyrtzidis]

On Mar 25, 2011, at 9:25 AM, Olaf Krzikalla wrote:

> 
> The second question is related to the available options in normal and 
> -cc1 mode. Actually I call
> 
> CompilerInvocation::CreateFromArgs(...);
> 
> to get a compiler invocation.
> But CreateFromArgs uses the cc1 option table hard-coded and thus I can't 
> pass options like "-msse2" to the compiler. This in turn forbids the 
> handling of files which includes <xmmintrin.h> and similiar headers.
> Is there a reason for using the cc1 option table there and is it 
> possible to change it so that it is optionally possible to use the 
> driver option table instead?

If you look into ASTUnit::LoadFromCommandLine you can find code to get a CompilerInvocation out of driver options.
This code should be factored out into its own function like a static driver::Compilation::createInvocationFromArgs.

> 
> 
> Thanks in advance and best regards
> Olaf Krzikalla
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