Re: Bug#630902: m4: FTBFS: FAIL: test-readlink

[Santiago Vila]

For the record, this is what "git bisect" says:

65cfc6722361570bfe255698d9cd4dccaf47570d is the first bad commit

commit 65cfc6722361570bfe255698d9cd4dccaf47570d
Author: Al Viro <address@hidden>
Date:   Sun Mar 13 15:56:26 2011 -0400

    readlinkat(), fchownat() and fstatat() with empty relative pathnames
    
    For readlinkat() we simply allow empty pathname; it will fail unless
    we have dfd equal to O_PATH-opened symlink, so we are outside of
    POSIX scope here.  For fchownat() and fstatat() we allow AT_EMPTY_PATH;
    let the caller explicitly ask for such behaviour.
    
    Signed-off-by: Al Viro <address@hidden>