add perl_bootstrap for perl bootstrap

perl-generators.spec

@@ -1,6 +1,6 @@
 Name:           perl-generators
 Version:        1.10
-Release:        9
+Release:        10
 Summary:        RPM Perl dependencies generators
 License:        GPL+
 URL:            http://jplesnik.fedorapeople.org/generators
@@ -9,7 +9,9 @@ BuildArch:      noarch
 
 BuildRequires:  coreutils findutils make
 BuildRequires:  perl-interpreter >= 4:5.22.0
+%if !%{defined perl_bootstrap}
 BuildRequires:  perl-generators
+%endif
 BuildRequires:  perl(ExtUtils::MakeMaker)
 BuildRequires:  perl(File::Copy)
 BuildRequires:  perl(strict)
@@ -48,6 +50,9 @@ make test
 %{_rpmconfigdir}/fileattrs/perl*.attr
 
 %changelog
+* Thu Aug 13 2020 shenyangyang <shenyangyang4@huawei.com> - 1.10-10
+- Add perl_bootstrap for perl bootstrap
+
 * Fri 03 Apr 2020 daiqianwen <daiqianwen@huawei.com> - 1.10-9
 - delete useless buildrequires