[cfe-dev] clang::LangOption policy

[Manuel Klimek via cfe-dev]

On Thu, Oct 15, 2015 at 9:59 AM Joshua Gerrard via cfe-dev <
cfe-dev at lists.llvm.org> wrote:

> So I've been working with clang as a library on Windows for a little while
> now, and I'm noticed a few things that I'd like to change, but in order to
> do so I need to know the "clang policy" for such things first.
>
> There is a flag, MSVCCompat, which as you probably know already, tweaks
> some things so that clang works better on Windows.
>
> However, other flags are required, such as DelayedTemplateParsing, in
> order for things to work. Now I understand that these need to be separate
> flags so that users on other platforms can enable things like
> DelayedTemplateParsing for other reasons, but as it stands enabling
> MSVCCompat doesn't make clang compatible with Windows.
>
> As a result, I'd like to fix this problem by making things like
> DelayedTemplateParsing take effect when MSVCCompat is turned on. However,
> this would make it so that the "implied" flags would essentially have no
> effect, and turning off DelayedTemplateParsing would not have any effect if
> MSVCCompat was turned off.
>
> Furthermore, I can't see the point in having both a MSCompatibility flag
> and a MSVCCompat flag; surely we should have one or the other?
>

+reid - I had the impression the right way to get clang to work on windows
is by calling it in CL mode (clang-cl.exe).


>
> How do you folks feel about this? I'd really like to make this my first
> contribution to clang.
>
> --
> Joshua Gerrard
> JUCE Software Developer
>
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