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Date:   Wed, 6 Dec 2017 11:17:51 -0700
From:   Shuah Khan <>
        Valentina Manea <>,,,
        Greg Kroah-Hartman <>
Cc:     Julien BOIBESSOT <>,
        Shuah Khan <>
Subject: Re: [PATCH] tools/usbip: fixes build with musl libc toolchain

On 12/05/2017 10:48 AM, wrote:
> From: Julien BOIBESSOT <>
> Indeed musl doesn't define old SIGCLD signal name but only new one SIGCHLD.
> SIGCHLD is the new POSIX name for that signal so it doesn't change
> anything on other libcs.
> This fixes this kind of build error:
> usbipd.c: In function ‘set_signal’:
> usbipd.c:459:12: error: 'SIGCLD' undeclared (first use in this function)
>   sigaction(SIGCLD, &act, NULL);
>             ^~~~~~
> usbipd.c:459:12: note: each undeclared identifier is reported only once
> 	for each function it appears in
> Makefile:407: recipe for target 'usbipd.o' failed
> make[3]: *** [usbipd.o] Error 1
> Signed-off-by: Julien BOIBESSOT <>
> ---

Thanks for the patch.


Please pick this up.

Acked-by: Shuah Khan <>

-- Shuah

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