admin/meta-packages: add OS singularity variant to compute metapackage;
needed with removal of ohpc singularity variant in shared file
system
@@ -85,6 +85,7 @@ Requires: libicu
Requires: libunwind
Requires: numactl
Requires: python3
+Requires: singularity
%if 0%{?rhel}
Requires: cairo-devel
Requires: libpciaccess
