Do not depend on systemd package

bind.spec

@@ -53,7 +53,7 @@ Summary:  The Berkeley Internet Name Domain (BIND) DNS (Domain Name System) serv
 Name:     bind
 License:  MPLv2.0
 Version:  9.16.19
-Release:  3%{?dist}
+Release:  4%{?dist}
 Epoch:    32
 Url:      https://www.isc.org/downloads/bind/
 #
@@ -105,9 +105,7 @@ Patch164:bind-9.11-rh1666814.patch
 Patch170:bind-9.11-feature-test-named.patch
 Patch171:bind-9.11-tests-variants.patch
 
-Requires(post):   systemd
-Requires(preun):  systemd
-Requires(postun): systemd
+%{?systemd_ordering}
 Requires:       coreutils
 Requires(pre):  shadow-utils
 Requires(post): shadow-utils
@@ -122,7 +120,7 @@ Recommends:     bind-utils bind-dnssec-utils
 BuildRequires:  gcc, make
 BuildRequires:  openssl-devel, libtool, autoconf, pkgconfig, libcap-devel
 BuildRequires:  libidn2-devel, libxml2-devel
-BuildRequires:  systemd
+BuildRequires:  systemd-rpm-macros
 BuildRequires:  selinux-policy
 # needed for %%{__python3} macro
 BuildRequires:  python3-devel
@@ -186,7 +184,6 @@ tools for verifying that the DNS server is operating properly.
 %if %{with PKCS11}
 %package pkcs11
 Summary: Bind with native PKCS#11 functionality for crypto
-Requires: systemd
 Requires: bind%{?_isa} = %{epoch}:%{version}-%{release}
 Requires: bind-libs%{?_isa} = %{epoch}:%{version}-%{release}
 Requires: bind-pkcs11-libs%{?_isa} = %{epoch}:%{version}-%{release}
@@ -1130,6 +1127,9 @@ fi;
 %endif
 
 %changelog
+* Thu Aug 05 2021 Petr Menšík <pemensik@redhat.com> - 32:9.16.19-4
+- Do not depend on systemd package
+
 * Tue Aug 03 2021 Petr Menšík <pemensik@redhat.com> - 32:9.16.19-3
 - Reenable PDF building again (#1984687)