!4 Add the compilation dependency of gcc.

From: @lijingyuan007
Reviewed-by: @zengwefeng
Signed-off-by: @zengwefeng

hostname.spec

@@ -1,7 +1,7 @@
 Summary: Utility to set/show the host name or domain name
 Name:    hostname
 Version: 3.21
-Release: 1
+Release: 2
 License: GPLv2+
 URL:     http://packages.qa.debian.org/h/hostname.html
 Source0: http://ftp.de.debian.org/debian/pool/main/h/hostname/hostname_%{version}.tar.gz
@@ -10,6 +10,8 @@ Source2: nis-domainname
 Source3: nis-domainname.service
 Patch1:  hostname-rh.patch
 
+BuildRequires: gcc
+
 %description
 This package provides funcions to display or set system's hostname or NIS domain
 name, and displays its DNS name as well.
@@ -48,6 +50,12 @@ fi
 %{_libexecdir}/%{name}/*
 
 %changelog
+* Thu May 27 2021 lijingyuan <lijingyuan3@huawei.com> - 3.21-2
+- Type:requirement
+- ID:NA
+- SUG:NA
+- DESC:Add the compilation dependency of gcc.
+
 * Fri Jul 24 2020 gaihuiying <gaihuiying1@huawei.com> - 3.21-1
 - Type:requirement
 - ID:NA