[Privoxy-devel] how costly is --enable-strptime-sanity-checks ?

[Lee]

On 5/6/16, Fabian Keil <fk at fabiankeil.de> wrote:
> Fabian Keil <fk at fabiankeil.de> wrote:
>
>> Lee <ler762 at gmail.com> wrote:
>
>> > $ ./test
>> > sizeof time_t = 4
>> >
>> > ----- old cygwin 1.5 / gcc v3
>> > [1.5] /cygdrive/c/cygwin/home/Lee/t
>> > $ gcc -mno-cygwin size.c -o test
>> >
>> > [1.5] /cygdrive/c/cygwin/home/Lee/t
>> > $ ./test
>> > sizeof time_t = 4
>> >
>> > So why isn't there a 'year 2038' problem with gcc -mno-cygwin?
>>
>> Maybe there is a problem and the sanity checks just don't
>> detect it.
>
> Additionally most of the problematic time-related tests are
> level 17 tests and should thus be skipped on native windows
> builds due to:
>
> # Level 17 needs = feature status FEATURE_PTHREAD Yes
>
> Of course FEATURE_PTHREAD does not actually guarantee a 64
> bit time_t, so maybe we should add a FEATURE_64_BIT_TIME_T
> to make the test results easier to compare.

That sounds good.  It looks like the standard way to check the size is
  AC_CHECK_SIZEOF(time_t)
which, on my machine, adds

/* The size of `time_t', as computed by sizeof. */
#define SIZEOF_TIME_T 4

to config.h
dunno how to get from there to FEATURE_64_BIT_TIME_T tho :(

Lee