Am 24.03.23 um 22:12 schrieb Selva Nair:
Hi,On Fri, Mar 24, 2023 at 4:18 PM Matthias Andree <matthias.and...@gmx.de> wrote: Am 23.03.23 um 15:31 schrieb Frank Lichtenheld: > Currently this is not obvious since we never build the > UTs with MSVC, but it doesn't like the initializers with > "const" variables. They cause > error C2099: initializer is not a constant What MSVC version are you using? What options? I've tried with a minimal C program with static const char *const foo = "something"; and it compiled with the latest 2017 or 2022 MSVC. That will work but the following wont: const char *const foo = "something"; const char *const bar = foo; which is essentially the issue at hand. And more of the same with struct initialization. As bar has static storage duration, it has to be intialized by a "constant expression" which in C does not include "const variables". Though it works with gcc. In C99, automatic variables can be intialized so, and the alternative I suggested uses that approach.
I must have missed that bar = foo part, which is indeed nonconforming code in C. With Microsoft tools, I always wonder if it's not easier in practice to make sure the same source code is also valid C++ and grind it in the C++ mixer^Wcompiler instead.
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