Re: bignum branch

[Eli Zaretskii]

> From: Andy Moreton <address@hidden>
> Date: Fri, 03 Aug 2018 11:07:06 +0100
> 
> On the bignum ranch for 32bit MinGW I get:
> 
> make -C lib all
> make[1]: Entering directory `/c/emacs/git/emacs/bignum/build/mingw32/lib'
>   CC       gettimeofday.o
> In file included from c:/emacs/git/emacs/bignum/lib/gettimeofday.c:23:0:
> c:/emacs/git/emacs/bignum/nt/inc/sys/time.h:11:19: error: field 'it_interval' 
> has incomplete type
>    struct  timeval it_interval; /* timer interval */
>                    ^~~~~~~~~~~
> c:/emacs/git/emacs/bignum/nt/inc/sys/time.h:12:19: error: field 'it_value' 
> has incomplete type
>    struct  timeval it_value; /* current value */
>                    ^~~~~~~~
> c:/emacs/git/emacs/bignum/lib/gettimeofday.c:64:1: error: conflicting types 
> for 'gettimeofday'
>  gettimeofday (struct timeval *restrict tv, void *restrict tz)
>  ^~~~~~~~~~~~
> In file included from c:/emacs/git/emacs/bignum/nt/inc/sys/time.h:4:0,
>                  from c:/emacs/git/emacs/bignum/lib/gettimeofday.c:23:
> c:\mingw\include\sys\time.h:108:29: note: previous declaration of 
> 'gettimeofday' was here
>  int __cdecl __MINGW_NOTHROW gettimeofday
>                              ^~~~~~~~~~~~
> c:/emacs/git/emacs/bignum/lib/gettimeofday.c: In function 'gettimeofday':
> c:/emacs/git/emacs/bignum/lib/gettimeofday.c:100:5: error: dereferencing 
> pointer to incomplete type 'struct timeval'
>    tv->tv_sec = microseconds_since_1970 / (ULONGLONG) 1000000;
>      ^~
> make[1]: *** [gettimeofday.o] Error 1
> make[1]: Leaving directory `/c/emacs/git/emacs/bignum/build/mingw32/lib'
> make: *** [lib] Error 2

Any idea how come these errors don't happen in the 64-bit MinGW64
build?  They use the same headers, so what is different that triggers
the errors only in the 32-bit build?