Make a dependency on GConf2 optional

cdrdao.spec

@@ -1,7 +1,13 @@
+%if 0%{?rhel} >= 9
+%bcond_with gconf
+%else
+%bcond_without gconf
+%endif
+
 Summary:   Writes audio CD-Rs in disk-at-once (DAO) mode
 Name:      cdrdao
 Version:   1.2.4
-Release:   5%{?dist}
+Release:   6%{?dist}
 License:   GPLv2+
 URL:       http://cdrdao.sourceforge.net/
 Source0:   http://prdownloads.sourceforge.net/%{name}/%{name}-%{version}.tar.bz2
@@ -14,7 +20,10 @@ BuildRequires:  libao-devel
 BuildRequires:  libmad-devel
 BuildRequires:  lame-devel
 #requirements to rebuild autotools
-BuildRequires:  autoconf GConf2-devel
+BuildRequires:  autoconf
+%if %{with gconf}
+BuildRequires:  GConf2-devel
+%endif
 BuildRequires: make
 
 # We have removed gcdmaster sub-package in 1.2.3-10
@@ -78,6 +87,9 @@ find $RPM_BUILD_ROOT -type f -name "*.la" -exec rm -f {} ';'
 
 
 %changelog
+* Tue Jan 19 2021 Jiri Kucera <jkucera@redhat.com> - 1.2.4-6
+- Make a dependency on GConf2 optional
+
 * Mon Jul 27 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.2.4-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild