add build requires

conmon.spec

@@ -3,12 +3,12 @@
 Name:          conmon
 Epoch:         2
 Version:       2.0.2
-Release:       2
+Release:       3
 Summary:       Monitoring program for OCI container
 License:       ASL 2.0
 URL:           https://github.com/containers/conmon
 Source0:       https://github.com/containers/conmon/archive/65fe0226d85b69fc9e527e376795c9791199153d/conmon-65fe022.tar.gz
-BuildRequires: glib2-devel
+BuildRequires: glib2-devel gcc
 
 %description
 Conmon is a monitoring program and communication tool between a container manager (like podman or CRI-O)
@@ -30,5 +30,8 @@ make PREFIX=%{buildroot}%{_prefix} install install.crio
 %{_libexecdir}/crio/conmon
 
 %changelog
+* Mon May 31 2021 baizhonggui <baizhonggui@huawei.com> - 2:2.0.2-3
+- Add gcc in BuildRequires
+
 * Mon Dec 23 2019 shijian <shijian16@huawei.com> - 2:2.0.2-2
 - Package init