linux-kernel - [PATCH 0/9] tools/nolibc: fix build issues on aarch64 after unistd cleanup

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Date:   Thu, 21 Jan 2021 08:20:22 +0100
From:   Willy Tarreau <w@....eu>
To:     "Paul E. McKenney" <paulmck@...nel.org>
Cc:     Mark Rutland <mark.rutland@....com>, valentin.schneider@....com,
        linux-kernel@...r.kernel.org, Willy Tarreau <w@....eu>
Subject: [PATCH 0/9] tools/nolibc: fix build issues on aarch64 after unistd cleanup

Hi Paul,

as per the recent discussion with Mark, I've updated the nolibc header to
reflect latest upstream which is needed to build on arm64, and I performed
the few cleanups that Mark rightfully suggested.

The following patches were taken from the upstream code and this time I
carefully copied the original commit IDs in hope not to miss such fixes
anymore in the future.

I've build-tested these on x86_64, i586, arm(v5 & v7), arm64, mips and
mipsel, using compilers ranging from gcc 3.4 to gcc 9.3 so I think we're
good for these archs now.

Just let me know if you prefer a pull request, as I can do that as well.

Thanks!
Willy

Willy Tarreau (9):
  tools/nolibc: the definition dup() was missing
  tools/nolibc: make dup2() rely on dup3() when available
  tools/nolibc: make getpgrp() fall back to getpgid(0)
  tools/nolibc: implement fork() based on clone()
  tools/nolibc: implement poll() based on ppoll()
  tools/nolibc: get timeval, timespec and timezone from linux/time.h
  tools/nolibc: remove incorrect definitions of __ARCH_WANT_*
  tools/nolibc: emit a detailed error when missing alternate syscall
    number definitions
  tools/nolibc: fix position of -lgcc in the documented example

 tools/include/nolibc/nolibc.h | 153 +++++++++++++++++++++++++---------
 1 file changed, 115 insertions(+), 38 deletions(-)

-- 
2.28.0