Fixing package requires/provides the same way as provided by kalev for Firefox

thunderbird.spec

@@ -83,10 +83,14 @@ ExcludeArch: s390x
 %endif
 %endif
 
+# Exclude private libraries from autogenerated provides and requires
+%global __provides_exclude_from ^%{mozappdir}
+%global __requires_exclude ^(%%(find %{buildroot}%{mozappdir} -name '*.so' | xargs -n1 basename | sort -u | paste -s -d '|' -))
+
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
 Version:        78.7.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 URL:            http://www.mozilla.org/projects/thunderbird/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Source0:        ftp://ftp.mozilla.org/pub/thunderbird/releases/%{version}%{?pre_version}/source/thunderbird-%{version}%{?pre_version}.source.tar.xz
@@ -203,12 +207,6 @@ BuildRequires:  icu
 
 Suggests:       u2f-hidraw-policy
 
-# Do not check .so files in an application-specific library directory
-# or any files in the application's data directory for provides
-%global __requires_exclude_from ^(%{_libdir}/%{name}/.*\\.so.*|%{_libdir}/%{name}/gtk2/.*\\.so.*)$
-%global __provides_exclude_from ^(%{_libdir}/%{name}/.*\\.so.*|%{_libdir}/%{name}/gtk2/.*\\.so.*)$
-%global __requires_exclude ^libxul.*$
-
 %description
 Mozilla Thunderbird is a standalone mail and newsgroup client.
 
@@ -753,6 +751,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
+* Thu Jan 28 2021 Jan Horak <jhorak@redhat.com> - 78.7.0-2
+- Fixing package requires/provides the same way as provided by kalev for Firefox
+
 * Wed Jan 27 2021 Jan Horak <jhorak@redhat.com> - 78.7.0-1
 - Update to 78.7.0 build2