[tlbuild] build failure: texk/web2c/configure.ac tests for stat64 function but not for "struct stat64"

[taco]

Karl Berry wrote:
>     which results in "#define HAVE_STAT64 1" in Work/texk/web2c/c-auto.h
>     but despite the presence of the stat64() function, neither it, nor the
>     "struct stat64" is defined in the headers in the current build environment.
>     (one would need to specially define some macros to enable this API. 
> 
> Yes, and that is true in general.
> 
>     since we're building 32-bit binaries, and there's no
>     need for 64-bit I/O).
> 
> I agree.  And our sources are not prepared to deal with largefile
> support.  Therefore I removed stat64 from the AC_CHECK_FUNCS in
> web2c/configure.ac, so it will always be undefined.

Good, thanks.

> The lua lfs.c was the only place in our source tree where stat64 was
> used.  It still compiled fine for me without the test.

Probably because HAVE_STAT64 is false on 32-bit linux unless you
add a special #define.  Large file support on linux 32 is about
as natural as MS-DOS's memory segmentation.

Best wishes,
Taco