File project.diff of Package isl
--- isl.spec.orig
+++ isl.spec
@@ -1,7 +1,7 @@
#
# spec file for package isl
#
-# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
#
# All modifications and additions to the file contributed by third parties
# remain the property of their copyright owners, unless otherwise agreed
@@ -28,6 +28,7 @@ Source: http://isl.gforge.inria.
Source1: baselibs.conf
BuildRequires: gmp-devel
BuildRequires: pkgconfig
+BuildRequires: xz
BuildRoot: %{_tmppath}/%{name}-%{version}-build
%description