!14 【openEuler-20.03-LTS-Next】Add gcc to BuildRequires

From: @yixiangzhike
Reviewed-by: @zhujianwei001
Signed-off-by: @zhujianwei001

haveged.spec

@@ -3,7 +3,7 @@
 Summary:        A Linux entropy source using the HAVEGE algorithm
 Name:           haveged
 Version:        1.9.13
-Release:        3
+Release:        4
 License:        GPLv3+
 URL:            https://github.com/jirka-h/haveged
 Source0:        https://github.com/jirka-h/%{name}/archive/v%{version}/%{name}-%{version}.tar.gz
@@ -14,6 +14,7 @@ Patch0:         fix-the-core-file-problem.patch
 Requires(post):   systemd
 Requires(preun):  systemd
 Requires(postun): systemd
+BuildRequires:  gcc
 BuildRequires:  automake gdb coreutils glibc-common systemd
 
 %description
@@ -101,6 +102,9 @@ rm -rf %{buildroot}
 %{_mandir}/man3/libhavege.3*
 
 %changelog
+* Tue May 25 2021 yixiangzhike <zhangxingliang3@huawei.com> - 1.9.13-4
+- add gcc to BuildRequires
+
 * Thu Nov 26 2020 yixiangzhike <zhangxingliang3@huawei.com> - 1.9.13-3
 - solve startup failure