app-containers/apptainer
The container system for secure high-performance computing
USE Flags
examples
Global: Install examples, usually source code
+network
* This flag is undocumented *
suid
Global: Enable setuid root program, with potential security risks
systemd
* This flag is undocumented *
custom-cflags
Global: Build with user-specified CFLAGS (unsupported)
debug
Global: Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see http://www.gentoo.org/proj/en/qa/backtraces.xml