2.4.2 on AIX fails compiling _codecs_cn.c

["Martin v. Löwis"]

Paul Watson wrote:
> This is on AIX 4.3.3
> 
> $ grep -i _hz $(find . -name m_param.h)
> #define _HZ     100    /* ticks per second of the clock        */
> #define __hz    HZ     /* Berkeley uses lower case hz          */
> #define HZ      _HZ
> #define hz      __hz

I expected to see something like this. However: in the file containing
the #define hz: Is there any #ifdef around it that could be 
disabled/enabled?

Regards,
Martin