linux-kernel - Re: [REGRESSION] uml: signal.c build errors

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Message-ID: <87objr3b2z.fsf@mattleach.net>
Date:	Wed, 24 Oct 2012 20:48:52 +0100
From:	Matthew Leach <matthew@...tleach.net>
To:	Richard Weinberger <richard@....at>
Cc:	linux-kernel@...r.kernel.org,
	Martin Pärtel <martin.partel@...il.com>
Subject: Re: [REGRESSION] uml: signal.c build errors


Richard Weinberger <richard@....at> writes:
> Am Wed, 24 Oct 2012 00:18:34 +0100
>> I have tracked this down to [1] where, indeed, the type of sig_info is
>> different; the second parameter in signal.c is 'siginfo_t' where as in
>> as-layout.h the second parameter's type is declared as 'struct
>> siginfo'.
>> 
>> [1]: d3c1cfcdb43e023ab1b1c7a555cd9e929026500a
>
> Looks like we have to revert that commit.
> Moving everything to siginfo_t requires a non-trivial header cleanup
> and may introduce new regressions.
>
> Matthew, does the attached revert patch help?

The revert did remove the errors for the compilation of signal.c, so
that seems fine. I still get the following errors, however:

  CC      arch/um/os-Linux/sigio.o
  CC      arch/um/os-Linux/signal.o
  CC      arch/um/os-Linux/start_up.o
arch/um/os-Linux/start_up.c: In function ‘check_coredump_limit’:
arch/um/os-Linux/start_up.c:338:16: error: storage size of ‘lim’ isn’t known
arch/um/os-Linux/start_up.c:339:2: error: implicit declaration of function ‘getrlimit’ [-Werror=implicit-function-declaration]
arch/um/os-Linux/start_up.c:339:22: error: ‘RLIMIT_CORE’ undeclared (first use in this function)
arch/um/os-Linux/start_up.c:339:22: note: each undeclared identifier is reported only once for each function it appears in
arch/um/os-Linux/start_up.c:347:22: error: ‘RLIM_INFINITY’ undeclared (first use in this function)
arch/um/os-Linux/start_up.c:338:16: warning: unused variable ‘lim’ [-Wunused-variable]
cc1: some warnings being treated as errors
make[1]: *** [arch/um/os-Linux/start_up.o] Error 1
make: *** [arch/um/os-Linux] Error 2

Thanks,
Matt
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