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    SubjectRe: [REGRESSION] uml: signal.c build errors
    Am Wed, 24 Oct 2012 20:48:52 +0100
    schrieb Matthew Leach <matthew@mattleach.net>:

    >
    > Richard Weinberger <richard@nod.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

    Does adding
    #include <sys/time.h>
    #include <sys/resource.h>

    to arch/um/os-Linux/start_up.c help?

    Thanks,
    //richard
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