Introduce build-condition for disabling support for xdg-user-dirs

perl-File-BaseDir.spec

@@ -1,3 +1,5 @@
+# Utilize xdg-user-dirs
+%{bcond_without perl_File_BaseDir_enables_xdg_user_dirs}
 Name:           perl-File-BaseDir
 Version:        0.07
 Release:        6%{?dist}
@@ -19,7 +21,9 @@ BuildRequires:  perl(parent)
 BuildRequires:  perl(strict)
 BuildRequires:  perl(warnings)
 # Optional run-time:
+%if %{with perl_File_BaseDir_enables_xdg_user_dirs}
 BuildRequires:  xdg-user-dirs
+%endif
 # Tests
 BuildRequires:  perl(Config)
 BuildRequires:  perl(File::Spec::Functions)
@@ -36,6 +40,7 @@ cache data. It is suggested that desktop applications for e.g. the Gnome,
 KDE or Xfce platforms follow this layout. However, the same layout can just
 as well be used for non-GUI applications.
 
+%if %{with perl_File_BaseDir_enables_xdg_user_dirs}
 %package -n perl-File-UserDirs
 Summary:        Find extra media and documents Freedesktop.org directories
 Requires:       perl(:MODULE_COMPAT_%(eval "`perl -V:version`"; echo $version))
@@ -47,6 +52,7 @@ Conflicts:      %{name} < 0.06-2
 File::UserDirs Perl module can be used to find directories as informally
 specified by the Freedesktop.org xdg-user-dirs software. This gives
 a mechanism to locate extra directories for media and documents files.
+%endif
 
 
 %prep
@@ -71,11 +77,13 @@ make test
 %{_mandir}/man3/*
 %exclude %{_mandir}/man3/File::UserDirs.3pm.gz
 
+%if %{with perl_File_BaseDir_enables_xdg_user_dirs}
 %files -n perl-File-UserDirs
 %doc Changes README
 %dir %{perl_vendorlib}/File
 %{perl_vendorlib}/File/UserDirs.pm
 %{_mandir}/man3/File::UserDirs.3pm.gz
+%endif
 
 %changelog
 * Sat Feb 11 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0.07-6