Add gcc to build requires

avahi.spec

@@ -26,7 +26,7 @@
 
 Name:             avahi
 Version:          0.7
-Release:          9%{?dist}
+Release:          10%{?dist}
 Summary:          Local network service discovery
 License:          LGPLv2+
 URL:              http://avahi.org
@@ -79,6 +79,7 @@ BuildRequires:    monodoc-devel
 %endif
 BuildRequires:    systemd
 %{?systemd_requires}
+BuildRequires:    gcc
 
 %if 0%{?beta:1}
 Source0:          https://github.com/lathiat/avahi/archive/%{version}-%{beta}.tar.gz#/%{name}-%{version}-%{beta}.tar.gz
@@ -701,6 +702,10 @@ exit 0
 
 
 %changelog
+* Mon Mar 19 2018 Michal Sekletar <msekleta@redhat.com> - 0.7-10
+- add gcc to build reqs
+- disable mono and qt support on RHEL
+
 * Wed Feb 07 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.7-9
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild