Add a BuildRequires for gcc-g++

graphviz.spec

@@ -15,7 +15,7 @@
 
 Name:               graphviz
 Version:            2.44.1
-Release:            3
+Release:            4
 Summary:            Graph Visualization Tools
 License:            EPL
 URL:                http://www.graphviz.org/
@@ -23,6 +23,7 @@ Source0:            https://gitlab.com/graphviz/graphviz/-/archive/%{version}/gr
 
 Patch6000:          backport-CVE-2020-18032.patch
 
+BuildRequires:      gcc-g++
 BuildRequires:      ksh bison m4 flex ruby automake perl-Carp autoconf libtool qpdf ocaml urw-base35-fonts, perl-ExtUtils-Embed, perl-generators, librsvg2-devel swig >= 1.3.33
 BuildRequires:      zlib-devel libpng-devel libjpeg-devel expat-devel tk-devel fontconfig-devel libtool-ltdl-devel ruby-devel guile-devel freetype-devel >= 2 tcl-devel >= 8.3
 BuildRequires:      python3-devel libXaw-devel libSM-devel libXext-devel java-devel pango-devel gmp-devel lua-devel gtk2-devel cairo-devel >= 1.1.10
@@ -269,6 +270,9 @@ php --no-php-ini --define extension_dir=$RPM_BUILD_ROOT%{_libdir}/graphviz/php/
 
 
 %changelog
+* Wed May 26 2021 liuyumeng <liuyumeng5@huawei.com> -2.44.1-4
+- Add a BuildRequires for gcc-g++
+
 * Tue May 11 2021 wangkerong <wangkerong@huawei.com> - 2.44.1-3
 - Type:CVE
 - ID:CVE-2020-18032