[llvm-dev] Passing "/DEBUG" to llvm-lib on windows

[Reid Kleckner via llvm-dev]

I don't think either lib.exe or llvm-lib care about /debug. It shouldn't do
anything.

Make sure /Zi or /Z7 is getting through to clang-cl during the compile
step, and make sure /DEBUG is getting through to link.exe in the link step.
This should allow function stepping in windbg or VS.

On Sat, Nov 21, 2015 at 11:37 AM, justin chase via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> This is all on Windows.
>
> I think I need to pass "/DEBUG":
> https://msdn.microsoft.com/en-us/library/xe4t6fc1.aspx
>
> When compiling via llvm-lib:
> http://llvm.org/docs/CommandGuide/llvm-lib.html
>
> However, it seems like llvm-lib doesn't know about this flag and I can't
> seem to figure out how to get it to do the equivalent.
>
> Basically when I am attempting to debug, I have a pdb and it is loading
> symbol information but it does not contain file or line number information
> and I can only step into functions as assembly.
>
> I am compiling some code into objects, then into a .lib, then linking with
> clang-cl that lib plus more objects. When I do this I am unable to step
> into any of my code though I can see the function names in the callstack.
>
> I am trying to set /DEBUG with calls to llvm-lib and I am setting the
> flags /Md /Zi /DEBUG when calling clang-cl. Am I missing something?
>
> --
> http://justinmchase.com
>
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