coreutils-6.3 on MacOS X

[Bruno Haible]

On Darwin-7.9.0 with CPPFLAGS=-Wall: Builds fine. All tests pass. The
"rm -rf" HFS+ bug workaround works fine. The "rm -rf" hardlinks / NFS bug
is still open.

The following warnings were seen:

In file included from openat.c:285:
at-func.c: In function `fchownat':
at-func.c:39: warning: implicit declaration of function `lchown'

dirchownmod.c: In function `dirchownmod':
dirchownmod.c:102: warning: implicit declaration of function `lchown'

(lchown is not provided by the system; gnulib's substitute is used.)

mkstemp-safer.c: In function `mkstemp_safer':
mkstemp-safer.c:34: warning: implicit declaration of function `mkstemp'
mkstemp is declared in <unistd.h> but mkstemp.h doesn't include it.
Adding a #include <unistd.h> to mkstemp.h makes the warning go away.

Bruno