'Public Domain' in concat-deps.c is a build-time only tool

https://docs.fedoraproject.org/en-US/legal/license-field/

The spec file License: field consists of an enumeration of all licenses
covering any code or other material contained in the corresponding
*binary* RPM.

libreoffice.spec

@@ -56,7 +56,7 @@ Name:           libreoffice
 Epoch:          1
 Version:        %{libo_version}.3
 Release:        1%{?libo_prerelease}%{?dist}
-License:        (MPLv1.1 or LGPLv3+) and LGPLv3 and LGPLv2+ and BSD and (MPLv1.1 or GPLv2 or LGPLv2 or Netscape) and Public Domain and ASL 2.0 and MPLv2.0 and CC0
+License:        (MPLv1.1 or LGPLv3+) and LGPLv3 and LGPLv2+ and BSD and (MPLv1.1 or GPLv2 or LGPLv2 or Netscape) and ASL 2.0 and MPLv2.0 and CC0
 URL:            http://www.libreoffice.org/
 
 Source0:        %{source_url}/libreoffice-%{version}%{?libo_prerelease}%{?libo_buildfix}.tar.xz