[PATCH] Use dwarf-2 by default on OpenBSD and FreeBSD

[Brad Smith]

On 12/06/14 8:11 PM, Eric Christopher wrote:
> On Thu, Jun 12, 2014 at 5:04 PM, Brad Smith <brad at comstyle.com> wrote:
>> On 12/06/14 2:17 PM, Eric Christopher wrote:
>>>
>>> Sad.
>>
>>
>> Yes, the real world is sad.
>>
>>> Why?
>>
>>
>> The toolchain won't be changing anytime soon (that would require an option
>> to be able to move to anyway which there isn't). The current toolchain only
>> supports DWARF-2.
>>
>
> Any way you can conditionalize this based on OS version that may have
> a newer gdb/lldb that'll support non-dwarf2? If not, that's fine.

Can you clarify what you have in mind? I'm just getting into hacking on
LLVM/Clang but I was thinking maybe having a variable in 
include/clang/Driver/ToolChain.h and lib/Driver/ToolChains.h that 
specifies the
default DWARF version and whatever the override is that way making
it easier to adjust for particular OS versions. I haven't written
anything yet it was just an idea after I sent out the initial diff.

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