Link against libnsl in Fedora 28 or later

Resolves rhbz#1573636

0001-support-transition-from-libtirpc-to-libnsl-in-Fedora.patch

@@ -0,0 +1,28 @@
+From 062c157013c5af8714d9015582de898b42d1a981 Mon Sep 17 00:00:00 2001
+From: Alexander Bokovoy <abokovoy@redhat.com>
+Date: Wed, 2 May 2018 08:56:15 +0300
+Subject: [PATCH] support transition from libtirpc to libnsl in Fedora 28
+
+libnsl2-devel in Fedora 28 depends on libtirpc-devel internally
+so we can also reduce the dependency in spec
+
+diff --git a/configure.ac b/configure.ac
+index 184a9af..80f2ca2 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -273,6 +273,12 @@ AC_ARG_WITH(tirpc,
+ 	    ])
+ if test $use_tirpc = yes ; then
+ 	PKG_CHECK_MODULES(TIRPC,libtirpc)
++fi
++
++PKG_CHECK_MODULES(NSL,libnsl,[use_libnsl=yes],[use_libnsl=no])
++if test "$use_libnsl" = yes ; then
++	RPC_CFLAGS="$NSL_CFLAGS"
++	RPC_LIBS="$NSL_LIBS"
+ else
+ 	RPC_CFLAGS=
+ 	RPC_LIBS=-lnsl
+-- 
+2.14.3
+

slapi-nis.spec

@@ -11,13 +11,14 @@
 
 Name:		slapi-nis
 Version:	0.56.2
-Release:	4%{?dist}
+Release:	5%{?dist}
 Summary:	NIS Server and Schema Compatibility plugins for Directory Server
 Group:		System Environment/Daemons
 License:	GPLv2
 URL:		http://pagure.io/slapi-nis/
 Source0:	https://releases.pagure.org/slapi-nis/slapi-nis-%{version}.tar.gz
 Source1:	https://releases.pagure.org/slapi-nis/slapi-nis-%{version}.tar.gz.sig
+Patch1:		0001-support-transition-from-libtirpc-to-libnsl-in-Fedora.patch
 BuildRequires:	389-ds-base-devel >= 1.3.5.6, %{ldap_impl}-devel
 BuildRequires:	nspr-devel, nss-devel, /usr/bin/rpcgen
 %if 0%{?fedora} > 18 || 0%{?rhel} > 6
@@ -27,8 +28,10 @@ BuildRequires:	libsss_nss_idmap-devel > 1.16.0-5
 %define sss_nss_opts %{nil}
 %endif
 BuildRequires:	pam-devel
-%if 0%{?fedora} > 14 || 0%{?rhel} > 6
+%if (0%{?fedora} > 14 && 0%{?fedora} < 28) || (0%{?rhel} > 6 && 0%{?rhel} < 8)
 BuildRequires:	libtirpc-devel
+%else:
+BuildRequires:  libnsl2-devel
 %endif
 %if 0%{?fedora} > 27
 ExcludeArch: %{ix86}
@@ -77,6 +80,11 @@ make check
 %{_sbindir}/nisserver-plugin-defs
 
 %changelog
+* Wed May 02 2018 Alexander Bokovoy <abokovoy@redhat.com> - 0.56.2-5
+- Link with libnsl explicitly in Fedora 28 or later
+- Require libnsl2-devel for build
+- Resolves rhbz#1573636
+
 * Thu Mar 15 2018 Alexander Bokovoy <abokovoy@redhat.com> - 0.56.2-4
 - Remove tcpwrappers support as they aren't available in Fedora anymore