[LLVMdev] Why is llvm/Config/config.h not being installed any more with cmake in LLVM 3.5?

[Duncan P. N. Exon Smith]

> On Sep 30, 2014, at 8:15 AM, Zvonimir Rakamaric <zvonimir at cs.utah.edu> wrote:
> 
> Hi,
> 
> So when I look at CMakeLists.txt in LLVM 3.5, I can observes this on line 591:
> PATTERN "config.h" EXCLUDE
> 
> Note that this line is not present in LLVM 3.4.
> 
> This causes config.h not to be copied into
> include/llvm/Config/config.h, which is unlike previous LLVM versions.
> This is turn causes my project to fail when trying to build it with
> cmake...
> 
> Why is config.h not being copied over any more when using cmake?
> 
> Is this expected behavior?
> 
> Thanks,
> -- Zvonimir

`git blame` tells me this was r210766:

    CMake: don't install the internal config.h header
    
    Background:
      http://lists.cs.uiuc.edu/pipermail/llvmdev/2014-June/073707.html

You should transition to `llvm/Config/llvm-config.h`.