1778425 - scanimage segfaults for brother scan drivers due missing deprecated libnsl

sane-backends.spec

@@ -14,7 +14,7 @@
 Summary: Scanner access software
 Name: sane-backends
 Version: 1.0.29
-Release: 7%{?dist}
+Release: 8%{?dist}
 # lib/ is LGPLv2+, backends are GPLv2+ with exceptions
 # Tools are GPLv2+, docs are public domain
 # see LICENSE for details
@@ -70,6 +70,11 @@ Requires: systemd >= 196
 Requires: systemd-udev >= 196
 Requires: sane-backends-libs%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
 
+# workaround for Brother scanners, which drivers are built with old libnsl
+# it is ignored by DNF, but it seems GUI installation apps should offer it
+# if it is not installed, it leads to crashes like #1778425
+Suggests: libnsl
+
 %description
 Scanner Access Now Easy (SANE) is a universal scanner interface.  The
 SANE application programming interface (API) provides standardized
@@ -414,6 +419,9 @@ exit 0
 %{_unitdir}/saned@.service
 
 %changelog
+* Mon May 11 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.29-8
+- 1778425 - scanimage segfaults for brother scan drivers due missing deprecated libnsl
+
 * Thu Apr 02 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.29-7
 - remove escl backend - will be merged into sane-airscan in the future, so stop shipping it
   to prevent escl going into RHEL