Require full Perl for non-duallived sub-packaged core modules

perl-App-cpanminus.spec

@@ -1,6 +1,6 @@
 Name:           perl-App-cpanminus
 Version:        1.7044
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Get, unpack, build and install CPAN modules
 License:        GPL+ or Artistic
 Group:          Development/Libraries
@@ -59,6 +59,14 @@ BuildRequires:  perl(version)
 # YAML not needed for compilation
 # Tests:
 BuildRequires:  perl(Test::More)
+# There is no way to install core non-duallived modules from CPAN,
+# (e.g. Path-Tiny CPAN distribution requiers "open" module), require full Perl
+# for that.
+%if 0%(perl -e 'print $] < 5.026' 2>/dev/null)
+Requires:       perl-core
+%else
+Requires:       perl
+%endif
 Requires:       perl(:MODULE_COMPAT_%(eval "`perl -V:version`"; echo $version))
 # Current dependency generator cannot parse compressed code. Use PPI to find
 # them, and list them manually:
@@ -137,6 +145,9 @@ make test
 %{_bindir}/cpanm
 
 %changelog
+* Mon Jul 16 2018 Petr Pisar <ppisar@redhat.com> - 1.7044-4
+- Require full Perl for non-duallived sub-packaged core modules
+
 * Fri Jul 13 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1.7044-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild