linux-kernel - [PATCH v2 0/2] nolibc: remove reliance on system headers

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Message-Id: <20230830-nolibc-nostdinc-v2-0-c5b1387b4a77@weissschuh.net>
Date:   Wed, 30 Aug 2023 17:07:11 +0200
From:   Thomas Weißschuh <linux@...ssschuh.net>
To:     Willy Tarreau <w@....eu>, Shuah Khan <shuah@...nel.org>
Cc:     Zhangjin Wu <falcon@...ylab.org>, Yuan Tan <tanyuan@...ylab.org>,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH v2 0/2] nolibc: remove reliance on system headers

This was prompted by the discussion about output directory support with
O=.
It seems sometimes we were pulling in system headers making testing
annoying and unreliable.

Willy:

I did not implement the '#ifdef va_start` guard that we discussed
before. In my understanding the latest agreement does not need it
anymore. Please let me know if this is incorrect.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
Changes in v2:
- Adapt comment in nolibc.h
- <stdarg.h> -> "stdarg.h"
- Link to v1: https://lore.kernel.org/r/20230827-nolibc-nostdinc-v1-0-995d1811f1f3@weissschuh.net

---
Thomas Weißschuh (2):
      tools/nolibc: add stdarg.h header
      selftests/nolibc: use -nostdinc for nolibc-test

 tools/include/nolibc/Makefile           |  1 +
 tools/include/nolibc/nolibc.h           |  4 ++--
 tools/include/nolibc/stdarg.h           | 16 ++++++++++++++++
 tools/include/nolibc/stdio.h            |  3 +--
 tools/include/nolibc/sys.h              |  2 +-
 tools/testing/selftests/nolibc/Makefile |  2 +-
 6 files changed, 22 insertions(+), 6 deletions(-)
---
base-commit: 556fb7131e03b0283672fb40f6dc2d151752aaa7
change-id: 20230827-nolibc-nostdinc-203908130d67

Best regards,
-- 
Thomas Weißschuh <linux@...ssschuh.net>