libc6! Cross compilation issues

[Marcus Brinkmann <Marcus.Brinkmann@ruhr-uni-bochum.de>]

Hi,

I stumbled across the following definitions in <sys/param.h>, which are
defined in Linux, but not in Hurd:

/* BSD names for some <limits.h> values.  */

#define NBBY            CHAR_BIT
#ifndef NGROUPS
#define NGROUPS         NGROUPS_MAX
#endif
#define MAXSYMLINKS     5
#define CANBSIZ         MAX_CANON
#define NCARGS          ARG_MAX
#define MAXPATHLEN      PATH_MAX
#define NOFILE          OPEN_MAX


Especially the last two are used frequently. Notice that neither PATH_MAX
nor OPEN_MAX are defined in Hurd, too.

Why?
Marcus

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