Add a BuildRequires for gcc

cairo.spec

@@ -2,7 +2,7 @@
 
 Name:           cairo
 Version:        1.16.0
-Release:        3
+Release:        4
 Summary:        A 2D graphics library
 License:        LGPLv2 or MPLv1.1
 URL:            http://cairographics.org
@@ -17,6 +17,7 @@ Patch0006:	CVE-2019-6462.patch
 Patch6001:	backport-CVE-2020-35492.patch
 
 
+BuildRequires:  gcc
 BuildRequires:  pkgconfig glib2-devel librsvg2-devel
 BuildRequires:  libXrender-devel libX11-devel libpng-devel libxml2-devel
 BuildRequires:  pixman-devel >= 0.30.0
@@ -85,6 +86,9 @@ find $RPM_BUILD_ROOT -name '*.la' -delete
 %{_bindir}/cairo-trace
 
 %changelog
+* Tue Jun 1 2021 liuyumeng <liuyumeng5@huawei.com> - 1.16.0-4
+- Add a BuildRequires for gcc
+
 * Thu Apr 15 2021 wangkerong <wangkerong@huawei.com> - 1.16.0-3
 - Type:cve
 - ID:CVE-2020-35492