[cfe-dev] automatic include

[Chris Lattner]

On Jan 21, 2009, at 9:48 AM, VanDung To wrote:

> Thanks for the quick response.
>
> I'm not looking for a compile time option (-include -I).   In the  
> environment I'm looking at, it is very awkward to force the user to  
> specify the include file every time. Is there a way for clang to do  
> this without using the compile time option?   I'm willing to modify/ 
> hack some code.

Sure, the "-include" option just adds a #include to the predefines  
buffer.  If you look at how -include is implemented, you can see this  
in action and do something similar.

-Chris

>
>
> Sincerely,
>
> On Wed, Jan 21, 2009 at 11:42 AM, Chris Lattner <clattner at apple.com>  
> wrote:
>
> On Jan 21, 2009, at 9:39 AM, VanDung To wrote:
>
> Hello,
>
> I'm not sure if there's a way in clang to do this, however, I'd like  
> to automatically include a header file every time I compiles a  
> program.  What would be the best way to do this?  Can I do this  
> externally to the compiler or do I need to modify the compiler.
>
> You can use the -include option, it works just like gcc:
>
> $ echo "typedef int x;" > t.h
> $ echo "x y;" > t.c
> $ clang t.c -include t.h -I.
>
>
>
> Also, I'd like to have my header files precompiled. Where can I find  
> the documentation on how to do this.
>
> PCH is still under active development, the command line options are  
> the same as those used by gcc.
>
> -Chris
>

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/cfe-dev/attachments/20090121/a8328265/attachment.html>