[ccan] dgraph, tlist, tcon: MSVC error due to array of flexible structs

[Kevin Locke]

On Tue, 2017-08-01 at 15:22 +1000, David Gibson wrote:
> On Thu, Sep 22, 2016 at 10:31:16PM -0600, Kevin Locke wrote:
>> [...]
>> 
>> The issue is that MSVC supports flexible array members, but does not
>> support arrays of structs with flexible array members.  My
>> understanding is that such support is not required by C99 or C11, but
>> I don't know whether such support is common beyond Clang/GCC.
>> 
>> Is there any interest in supporting such compilers?  If so, I can see
>> a few potential fixes:
>> 
>> [...]
>> 
>> 3. Change TLIST to use TCON_WRAP?  I don't understand TLIST/TCON well
>> enough to know if this is really an option.  Hopefully an expert can
>> weigh in here.
> 
> I've now done this for tlist and several other modules, we should have
> a much better chance of compiling on windows.

Great stuff!  Thanks for all of your work to make the changes!

As soon as I get a chance I'll take another look at building with MSVC
and see what hurdles exist and how feasible it might be to get the
ccan tools compiling.

-- 
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