Re: icc8 failed on 4.10: Illegal instruction

From: Igor Sysoev (is_at_rambler-co.ru)
Date: 12/29/04

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    Date: Wed, 29 Dec 2004 16:23:50 +0300 (MSK)
To: Kris Kennaway <kris@obsecurity.org>

    On Wed, 29 Dec 2004, Igor Sysoev wrote:

    > On Tue, 28 Dec 2004, Kris Kennaway wrote:

    > > It's an SSE instruction, and you need to enable support for SSE in
    > > your kernel.
    >
    > Thank you. The "options CPU_ENABLE_SSE" resolves the problem.
    > I think it should be mention in the port for 4.x.

    The message about CPU_ENABLE_SSE exists, however it does not say about
    a signal:

    If you use icc on a Pentium 4 you may have to use 'options CPU_ENABLE_SSE'
    (depending on the OS version, if in doubt try if it works) in your kernel
    config (have a look at http://www.FreeBSD.org/handbook/ if you do not know
    how to do this), else icc will hang forever."

    > However, it seems that 4.10's headers are not good for icc8:
    >
    > >cat q.c
    > #include <stdio.h>
    >
    > >/usr/local/intel_cc_80/bin/icc q.c
    > /usr/include/wchar.h(79): error: "__mbstate_t" has already been declared in the current scope
    > } __mbstate_t;
    > ^
    >
    > /usr/include/libio.h(463): error: identifier "__gnuc_va_list" is undefined
    > _IO_va_list, int *__restrict) __THROW;
    > ^

    [ ... ]

    > /usr/include/stdio.h(324): error: identifier "__gnuc_va_list" is undefined
    > __const char *__restrict __format, _G_va_list __arg)
    > ^
    >
    > compilation aborted for q.c (code 2)

    The __gnuc_va_list errors could be fixed by adding "-D__gnuc_va_list=va_list"
    to /usr/local/intel_cc_80/bin/icc.cfg and /usr/local/intel_cc_80/bin/icpc.cfg,
    but how to fix __mbstate_t error I do not know.

    Igor Sysoev
    http://sysoev.ru/en/
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