--- zabbix.spec.orig	2022-12-09 19:48:39.002443430 +0100
+++ zabbix.spec	2022-12-10 00:24:50.399717359 +0100
@@ -77,6 +77,22 @@
 %{!?build_selinux_policy: %global build_selinux_policy 1}
 %endif
 
+# overwrites:
+%global build_frontend 1
+%global build_agent2 1
+%global build_agent 1
+%global build_web_service 1
+%global build_java_gateway 1
+%global build_with_mysql 1
+%global build_with_pgsql 1
+%global build_with_sqlite 1
+%global build_server 1
+%global build_proxy 1
+%global build_selinux_policy 1
+BuildRequires: mysql-connector-odbc postgresql-odbc unixODBC unixODBC-devel
+BuildRequires: libssh2-devel net-snmp-devel postgresql-server-devel gnutls-devel
+# end owerwrite
+
 # FIXME: Building debuginfo is broken on RHEL 5 & 8. Disabled for now.
 %if 0%{?rhel} <= 5 || 0%{?rhel} >= 8
 %define debug_package %{nil}
@@ -90,7 +106,7 @@
 BuildRequires:	make
 %if 0%{?rhel} >= 8
 BuildRequires:	mariadb-connector-c-devel
-BuildRequires:	postgresql-devel >= 12.0
+BuildRequires:	postgresql-server-devel >= 13.0
 BuildRequires:	sqlite-devel
 BuildRequires:	net-snmp-devel
 BuildRequires:	openldap-devel
@@ -499,21 +515,11 @@
 	--with-libcurl
 	--with-openipmi
 	--with-unixodbc
-%if 0%{?rhel} >= 8
+	--with-openssl
 	--with-ssh
-%else
-	--with-ssh2
-%endif
 	--with-libxml2
 	--with-libevent
-%if 0%{?rhel} >= 7
 	--with-libpcre2
-%else
-	--with-libpcre
-%endif
-%if 0%{?rhel} >= 6
-	--with-openssl
-%endif
 "
 
 # setup pass 3
@@ -661,14 +667,9 @@
 cat %{SOURCE3} | sed \
 	-e 's|COMPONENT|agentd|g' \
 	> $RPM_BUILD_ROOT%{_sysconfdir}/logrotate.d/zabbix-agent
-%if 0%{?rhel} >= 7
 install -Dm 0644 -p %{SOURCE10} $RPM_BUILD_ROOT%{_unitdir}/zabbix-agent.service
 install -Dm 0644 -p %{SOURCE15} $RPM_BUILD_ROOT%{_tmpfilesdir}/zabbix-agent.conf
 %else
-install -Dm 0755 -p %{SOURCE5} $RPM_BUILD_ROOT%{_sysconfdir}/init.d/zabbix-agent
-install -Dm 0644 -p %{SOURCE20} $RPM_BUILD_ROOT%{_sysconfdir}/sysconfig/zabbix-agent
-%endif
-%else
 %if 0%{?build_agent2}
 rm $RPM_BUILD_ROOT%{_sbindir}/zabbix_agentd
 rm $RPM_BUILD_ROOT%{_sysconfdir}/zabbix/zabbix_agentd.conf
@@ -681,13 +682,8 @@
 	-e 's|COMPONENT|agent2|g' \
 	> $RPM_BUILD_ROOT%{_sysconfdir}/logrotate.d/zabbix-agent2
 cp man/zabbix_agent2.man $RPM_BUILD_ROOT%{_mandir}/man8/zabbix_agent2.8
-%if 0%{?rhel} >= 7
 install -Dm 0644 -p %{SOURCE19} $RPM_BUILD_ROOT%{_unitdir}/zabbix-agent2.service
 install -Dm 0644 -p %{SOURCE15} $RPM_BUILD_ROOT%{_tmpfilesdir}/zabbix_agent2.conf
-%else
-install -Dm 0755 -p %{SOURCE21} $RPM_BUILD_ROOT%{_sysconfdir}/init.d/zabbix-agent2
-install -Dm 0644 -p %{SOURCE22} $RPM_BUILD_ROOT%{_sysconfdir}/sysconfig/zabbix-agent2
-%endif
 %endif
 
 
@@ -819,13 +815,8 @@
 %attr(0755,zabbix,zabbix) %dir %{_localstatedir}/run/zabbix
 %{_sbindir}/zabbix_agentd
 %{_mandir}/man8/zabbix_agentd.8*
-%if 0%{?rhel} >= 7
 %{_unitdir}/zabbix-agent.service
 %{_tmpfilesdir}/zabbix-agent.conf
-%else
-%{_sysconfdir}/init.d/zabbix-agent
-%config(noreplace) %{_sysconfdir}/sysconfig/zabbix-agent
-%endif
 
 %files get
 %defattr(-,root,root,-)
@@ -903,13 +894,8 @@
 %attr(0755,zabbix,zabbix) %dir %{_localstatedir}/run/zabbix
 %{_sbindir}/zabbix_agent2
 %{_mandir}/man8/zabbix_agent2.8*
-%if 0%{?rhel} >= 7
 %{_unitdir}/zabbix-agent2.service
 %{_tmpfilesdir}/zabbix_agent2.conf
-%else
-%{_sysconfdir}/init.d/zabbix-agent2
-%config(noreplace) %{_sysconfdir}/sysconfig/zabbix-agent2
-%endif
 
 %pre agent2
 getent group zabbix > /dev/null || groupadd -r zabbix
@@ -919,9 +905,7 @@
 :
 
 %post agent2
-%if 0%{?rhel} >= 7
 %systemd_post zabbix-agent2.service
-%endif
 # make sure that agent2 log file is create with proper attributes (ZBX-18243)
 if [ $1 == 1 ] && [ ! -f %{_localstatedir}/log/zabbix/zabbix_agent2.log ]; then
 	touch %{_localstatedir}/log/zabbix/zabbix_agent2.log
@@ -929,14 +913,10 @@
 fi
 :
 
-%if 0%{?rhel} >= 7
 %preun agent2
 %systemd_preun zabbix-agent2.service
 :
 
-%postun agent2
-%systemd_postun_with_restart zabbix-agent2.service
-%endif
 %endif