kernel.git/tools/testing/selftests/nolibc/Makefile, branch master

selftests/nolibc: also test libc-test through regular selftest framework

2026-01-11T10:17:15Z

Hook up libc-test to the regular selftest build to make sure nolibc-test.c stays compatible with a normal libc. As the pattern rule from lib.mk does not handle compiling a target from a differently named source file, add an explicit rule definition. Signed-off-by: Thomas Weißschuh Acked-by: Willy Tarreau Link: https://patch.msgid.link/20260106-nolibc-selftests-v1-3-f82101c2c505@weissschuh.net

selftests/nolibc: scope custom flags to the nolibc-test target

2026-01-11T10:17:12Z

A new target for 'libc-test' is going to be added which should not be affected by these options. Signed-off-by: Thomas Weißschuh Acked-by: Willy Tarreau Link: https://patch.msgid.link/20260106-nolibc-selftests-v1-2-f82101c2c505@weissschuh.net

selftests/nolibc: integrate with kselftests

2025-06-23T20:56:21Z

Hook up nolibc-test with the kselftests framework. This enables CI systems and developers to easily execute the tests. While nolibc-test does not emit KTAP output itself that is not a problem, as the kselftest executor will wrap the output in KTAP. Acked-by: Willy Tarreau Link: https://lore.kernel.org/r/20250620-nolibc-selftests-v1-4-f6b2ce7c5071@weissschuh.net Signed-off-by: Thomas Weißschuh

selftests/nolibc: rename Makefile

2025-06-23T20:52:02Z

The nolibc tests are not real kselftests, they work differently and provide a different interface. Users trying to use them like real selftests may be confused and the tests are not executed by CI systems. To make space for an integration with the kselftest framework, move the custom tests out of the way. The custom tests are still useful to keep as they provide functionality not provided by kselftests. Acked-by: Willy Tarreau Link: https://lore.kernel.org/r/20250620-nolibc-selftests-v1-3-f6b2ce7c5071@weissschuh.net Signed-off-by: Thomas Weißschuh

selftests/nolibc: split out CFLAGS logic

2025-06-23T20:51:58Z

Some upcoming changes will reuse the CFLAGS. Split the computation into a reusable Makefile. Acked-by: Willy Tarreau Link: https://lore.kernel.org/r/20250620-nolibc-selftests-v1-2-f6b2ce7c5071@weissschuh.net Signed-off-by: Thomas Weißschuh

selftests/nolibc: drop implicit defconfig executions

2025-06-23T20:51:51Z

Commit d7d271ec30dd ("selftests/nolibc: execute defconfig before other targets") accidentally introduced implicit executions of the defconfig target. These executions were unintentional and come from a misunderstanding of ordering dependencies. Drop the dependencies again. Reported-by: Mark Brown Closes: https://lore.kernel.org/all/3d5128b9-b4b6-4a8e-94ce-ea5ff4ea655b@sirena.org.uk/ Acked-by: Willy Tarreau Link: https://lore.kernel.org/r/20250620-nolibc-selftests-v1-1-f6b2ce7c5071@weissschuh.net Signed-off-by: Thomas Weißschuh

selftests/nolibc: make stackprotector probing more robust

2025-06-10T15:55:34Z

nolibc only supports symbol-based stackprotectors, based on the global variable __stack_chk_guard. Support for this differs between architectures and toolchains. Some use the symbol mode by default, some require a flag to enable it and some don't support it at all. Before the nolibc test Makefile required the availability of "-mstack-protector-guard=global" to enable stackprotectors. While this flag makes sure that the correct mode is available it doesn't work where the correct mode is the only supported one and therefore the flag is not implemented. Switch to a more dynamic probing mechanism. This correctly enables stack protectors for mips, loongarch and m68k. Acked-by: Willy Tarreau Link: https://lore.kernel.org/r/20250609-nolibc-stackprotector-robust-v1-1-a1cfc92a568a@weissschuh.net Signed-off-by: Thomas Weißschuh

tools/nolibc: add namespace functionality

2025-05-21T13:32:12Z

This is used in various selftests and will be handy when integrating those with nolibc. Not all configurations support namespaces, so skip the tests where necessary. Also if the tests are running without privileges. Enable the namespace configuration for those architectures where it is not enabled by default. Signed-off-by: Thomas Weißschuh Acked-by: Willy Tarreau Link: https://lore.kernel.org/r/20250428-nolibc-misc-v2-12-3c043eeab06c@linutronix.de Signed-off-by: Thomas Weißschuh

tools/nolibc: Add m68k support

2025-05-21T13:31:54Z

Add nolibc support for m68k. Should be helpful for nommu where linking libc can bloat even hello world to the point where you get an OOM just trying to load it. Signed-off-by: Daniel Palmer Link: https://lore.kernel.org/r/20250426224738.284874-1-daniel@0x0f.com Signed-off-by: Thomas Weißschuh

selftests/nolibc: always run nolibc header check

2025-05-21T13:31:53Z

Prevent regressions of issues validates by the header check by always running it together with the nolibc selftests. Signed-off-by: Thomas Weißschuh Acked-by: Willy Tarreau Link: https://lore.kernel.org/r/20250424-nolibc-header-check-v1-3-011576b6ed6f@linutronix.de