Support is available in rhel7, and was added to
upstream glibc in commit:
Actually, the pathc is not available in rhel7 glibc.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.