Fix Systemd Scriptlets

Signed-off-by: Honggang Li <honli@redhat.com>

rdma-core.spec

@@ -1,6 +1,6 @@
 Name: rdma-core
 Version: 37.0
-Release: 1%{?dist}
+Release: 2%{?dist}
 Summary: RDMA core userspace libraries and daemons
 
 # Almost everything is licensed under the OFA dual GPLv2, 2 Clause BSD license
@@ -208,9 +208,7 @@ displays information about RDMA devices.
 
 %package -n ibacm
 Summary: InfiniBand Communication Manager Assistant
-Requires(post): systemd-units
-Requires(preun): systemd-units
-Requires(postun): systemd-units
+%{?systemd_requires}
 
 %description -n ibacm
 The ibacm daemon helps reduce the load of managing path record lookups on
@@ -224,9 +222,7 @@ library knows how to talk directly to the ibacm daemon to retrieve data.
 
 %package -n iwpmd
 Summary: iWarp Port Mapper userspace daemon
-Requires(post): systemd-units
-Requires(preun): systemd-units
-Requires(postun): systemd-units
+%{?systemd_requires}
 
 %description -n iwpmd
 iwpmd provides a userspace service for iWarp drivers to claim
@@ -258,9 +254,7 @@ Summary: Tools for using the InfiniBand SRP protocol devices
 Obsoletes: srptools <= 1.0.3
 Provides: srptools = %{version}-%{release}
 Obsoletes: openib-srptools <= 0.0.6
-Requires(post): systemd-units
-Requires(preun): systemd-units
-Requires(postun): systemd-units
+%{?systemd_requires}
 
 %description -n srp_daemon
 In conjunction with the kernel ib_srp driver, srp_daemon allows you to
@@ -666,6 +660,9 @@ fi
 %endif
 
 %changelog
+* Sun Sep 26 2021 Honggang Li <honli@redhat.com> - 37.0-2
+- Use systemd scriptlets
+
 * Wed Sep 22 2021 Honggang Li <honli@redhat.com> - 37.0-1
 - Rebase to upstream release v37.0