add build requires

babl.spec

@@ -1,12 +1,12 @@
 Name:          babl
 Version:       0.1.56
-Release:       3
+Release:       4
 Summary:       Pixel encoding and color space conversion engine in C
 License:       LGPLv3+ and GPLv3+
 URL:           http://www.gegl.org/babl/
 Source0:       https://download.gimp.org/pub/babl/0.1/%{name}-%{version}.tar.bz2
 
-BuildRequires: librsvg2, automake, autoconf
+BuildRequires: librsvg2, automake, autoconf, gcc
 
 %description
 babl is pixel encoding and color space conversion engine in C. It allows converting between
@@ -71,5 +71,8 @@ make check
 %doc %{_docdir}/%{name}-devel/html
 
 %changelog
+* Mon May 31 2021 baizhonggui <baizhonggui@huawei.com> - 0.1.56-4
+- Add gcc in BuildRequires
+
 * Fri Dec 13 2019 openEuler Buildteam <buildteam@openeuler.org> - 0.1.56-3
 - Package init