On Wednesday, May 17, 2023 1:58 PM, Taylor Blau wrote:
>On Wed, May 17, 2023 at 10:01:35AM -0700, Junio C Hamano wrote:
>> Junio C Hamano <gitster@xxxxxxxxx> writes:
>>
>> >> if ! gcc -I $(pwd) -E $f | grep -q 'struct strbuf {'
>> > ...
>> > What does the above prove, more than what your regular compilation
>> > that does not fail, tells us?
>>
>> It is actually worse than that, isn't it? This does not even use the
>> definition in the config.mak.uname, so it is not even matching your
>> build environment.
>>
>> I am uncomfortable to use this as an explanation of what due diligence
>> we did to convince ourselves that this fix should cover all similar
>> issues. Perhaps I am grossly misunderstanding what your investigation
>> did?
>
>Oof, yes, you are right:
>
> diff -u \
> <(gcc -I . -E imap-send.c) \
> <(gcc -DNO_CURL=1 -I . -E imap-send.c)
>
>How *should* we test this?
I hope not by using gcc, which is not currently a dependency. Using the C preprocessor directly might help in a more general sense, but you probably will need a knob for some compilers to work.
