[CMake] [cmake-developers] Obtaining header file dependencies of a source file manually

[Michael Wild]

On Mon, Nov 30, 2015 at 7:01 PM, Dan Liew <dan at su-root.co.uk> wrote:
> Hi Michael,
>
>> Not going into detail as I'm typing on the phone, but this really sounds
>> like a case where a "SuperBuild"
>> (http://www.kitware.com/media/html/BuildingExternalProjectsWithCMake2.8.html)
>> can help you to simplify things a lot.
>
> Thanks for the suggestion but this certainly is not a case where a
> "SuperBuild" would help. CMake does not know how to configure a
> compiler that can produce LLVM Bitcode so using a "SuperBuild" is not
> going to help.
>
> Dan.


Hi Dan

I fail to see why that should not work. Producing LLVM bitcode from
C++ with Clang is just adding -emit-llvm flag, right? So, why can't
the SuperBuild configure the child build to use Clang and this flag?
And Bob's your uncle...

Michael