Fix the compilation of the nis module.

The headers required to build the nis module were removed
from glibc and they are now provided by the libtirpc and libnsl2
packages, thus adding their respective -devel subpackages as
BuildRequires and the upstream fix to search for the headers
and the shared libraries at the appropriate locations.

python3.spec

@@ -14,7 +14,7 @@ URL: https://www.python.org/
 #  WARNING  When rebasing to a new Python version,
 #           remember to update the python3-docs package as well
 Version: %{pybasever}.3
-Release: 4%{?dist}
+Release: 5%{?dist}
 License: Python
 
 
@@ -179,6 +179,8 @@ BuildRequires: glibc-devel
 BuildRequires: gmp-devel
 BuildRequires: libappstream-glib
 BuildRequires: libffi-devel
+BuildRequires: libnsl2-devel
+BuildRequires: libtirpc-devel
 BuildRequires: libGL-devel
 BuildRequires: libX11-devel
 BuildRequires: ncurses-devel
@@ -361,6 +363,15 @@ Patch277: 00277-fix-test-subprocess-hanging-tests.patch
 # Fixed upstream: https://bugs.python.org/issue31532
 Patch279: 00279-fix-memory-corruption-due-to-allocator-mix.patch
 
+# 00289 #
+# Fix the compilation of the nis module, as glibc removed the
+# interfaces related to Sun RPC and they are now provided
+# by libtirpc and libnsl2.
+# See: https://fedoraproject.org/wiki/Changes/SunRPCRemoval
+# and https://fedoraproject.org/wiki/Changes/NISIPv6
+# Fixed upstream: https://bugs.python.org/issue32521
+Patch289: 00289-fix-nis-compilation.patch
+
 # (New patches go here ^^^)
 #
 # When adding new patches to "python" and "python3" in Fedora, EL, etc.,
@@ -623,6 +634,7 @@ sed -r -i s/'_PIP_VERSION = "[0-9.]+"'/'_PIP_VERSION = "%{pip_version}"'/ Lib/en
 %patch274 -p1
 %patch277 -p1
 %patch279 -p1
+%patch289 -p1
 
 
 # Remove files that should be generated by the build
@@ -1487,6 +1499,9 @@ fi
 # ======================================================
 
 %changelog
+* Fri Jan 12 2018 Charalampos Stratakis <cstratak@redhat.com> - 3.6.3-5
+- Fix the compilation of the nis module.
+
 * Tue Nov 21 2017 Miro Hrončok <mhroncok@redhat.com> - 3.6.3-4
 - Raise the release of platform-python obsoletes for better maintainability