@@ -, +, @@ 
 so far.
---
 dev-lang/python/files/3.6-nis.patch | 23 +++++++++++++++++++++++
 dev-lang/python/python-3.6.3.ebuild | 12 +++++++++++-
 2 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 dev-lang/python/files/3.6-nis.patch
--- a/dev-lang/python/files/3.6-nis.patch	
+++ a/dev-lang/python/files/3.6-nis.patch	
@@ -0,0 +1,23 @@ 
+diff --git a/setup.py b/setup.py
+index 51e5d7eff7..4ea1008d5c 100644
+--- a/setup.py
++++ b/setup.py
+@@ -1350,12 +1350,17 @@ class PyBuildExt(build_ext):
+             exts.append( Extension('resource', ['resource.c']) )
+ 
+             # Sun yellow pages. Some systems have the functions in libc.
++            # We add the include dir of libtirpc in case we need it.
++            inc_dirs.append('/usr/include/tirpc')
+             if (host_platform not in ['cygwin', 'qnx6'] and
+-                find_file('rpcsvc/yp_prot.h', inc_dirs, []) is not None):
++                find_file('rpcsvc/yp_prot.h', inc_dirs, []) is not None and
++                find_file('rpc/rpc.h', inc_dirs, []) is not None):
+                 if (self.compiler.find_library_file(lib_dirs, 'nsl')):
+                     libs = ['nsl']
+                 else:
+                     libs = []
++                if (self.compiler.find_library_file(lib_dirs, 'tirpc')):
++                    libs.append('tirpc')
+                 exts.append( Extension('nis', ['nismodule.c'],
+                                        libraries = libs) )
+             else:
--- a/dev-lang/python/python-3.6.3.ebuild	
+++ a/dev-lang/python/python-3.6.3.ebuild	
@@ -46,7 +46,12 @@ RDEPEND="app-arch/bzip2:0=
 		dev-tcltk/tix
 	)
 	xml? ( >=dev-libs/expat-2.1:0= )
-	!!<sys-apps/sandbox-2.6-r1"
+	!!<sys-apps/sandbox-2.6-r1
+	elibc_glibc? (
+		|| ( <sys-libs/glibc-2.26[rpc]
+		     ( net-libs/libtirpc net-libs/libnsl ) )
+	)
+"
 DEPEND="${RDEPEND}
 	virtual/pkgconfig
 	!sys-devel/gcc[libffi(-)]"
@@ -66,6 +71,8 @@ src_prepare() {
 	epatch "${FILESDIR}/${PN}-3.5-distutils-OO-build.patch"
 	epatch "${FILESDIR}/3.6-blake2.patch"
 
+	has_version '<sys-libs/glibc-2.26[rpc]' || epatch "${FILESDIR}/3.6-nis.patch"
+
 	epatch_user
 
 	sed -i -e "s:@@GENTOO_LIBDIR@@:$(get_libdir):g" \
@@ -124,6 +131,9 @@ src_configure() {
 	# Please query BSD team before removing this!
 	append-ldflags "-L."
 
+	# We need this in case we are using glibc-2.26 and libtirpc
+	has_version '<sys-libs/glibc-2.26[rpc]' || append-cflags "-I${EPREFIX}/usr/include/tirpc"
+
 	local dbmliborder
 	if use gdbm; then
 		dbmliborder+="${dbmliborder:+:}gdbm"
--