Don't link with libnsl

0050-Don-t-link-with-libnsl.patch

@@ -0,0 +1,27 @@
+From f8663f35d5d150f0533bb052e48306b9a5111d87 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Ond=C5=99ej=20Lyson=C4=9Bk?= <olysonek@redhat.com>
+Date: Tue, 6 Feb 2018 18:04:53 +0100
+Subject: [PATCH 50/50] Don't link with libnsl
+
+Don't link with libnsl. It builds just fine without it and
+vsf_findlibs.sh enables it only when tcp_wrappers is enabled.
+---
+ Makefile | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Makefile b/Makefile
+index 612994e..0f7411c 100644
+--- a/Makefile
++++ b/Makefile
+@@ -8,7 +8,7 @@ CFLAGS	=	-O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 \
+ 	-D_FORTIFY_SOURCE=2 \
+ 	#-pedantic -Wconversion
+ 
+-LIBS	=	-lnsl -lpam -lcap -ldl -lcrypto
++LIBS	=	-lpam -lcap -ldl -lcrypto
+ LINK	=	-Wl,-s
+ LDFLAGS	=	-fPIE -pie -Wl,-z,relro -Wl,-z,now
+ 
+-- 
+2.14.3
+

vsftpd.spec

@@ -2,7 +2,7 @@
 
 Name:    vsftpd
 Version: 3.0.3
-Release: 18%{?dist}
+Release: 19%{?dist}
 Summary: Very Secure Ftp Daemon
 
 Group:    System Environment/Daemons
@@ -25,7 +25,6 @@ BuildRequires: libcap-devel
 BuildRequires: openssl-devel
 BuildRequires: systemd
 BuildRequires: git
-BuildRequires: libnsl2-devel
 
 Requires: logrotate
 
@@ -78,6 +77,7 @@ Patch46: 0046-vsftpd.conf-Refer-to-the-man-page-regarding-the-asci.patch
 Patch47: 0047-Disable-tcp_wrappers-support.patch
 Patch48: 0048-Fix-default-value-of-strict_ssl_read_eof-in-man-page.patch
 Patch49: 0049-Add-new-filename-generation-algorithm-for-STOU-comma.patch
+Patch50: 0050-Don-t-link-with-libnsl.patch
 
 %description
 vsftpd is a Very Secure FTP daemon. It was written completely from
@@ -147,6 +147,9 @@ mkdir -p $RPM_BUILD_ROOT/%{_var}/ftp/pub
 %{_var}/ftp
 
 %changelog
+* Tue Feb 06 2018 Ondřej Lysoněk <olysonek@redhat.com> - 3.0.3-19
+- Don't link with libnsl
+
 * Tue Feb 06 2018 Ondřej Lysoněk <olysonek@redhat.com> - 3.0.3-18
 - Add a new config option 'better_stou', which can be used to enable
   a better algorithm for generating unique filenames for the STOU command.