[openssl-dev] [openssl.org #4583] AutoReply: Debian X32 and "fatal error: sys/cdefs.h: No such file or directory"

[noloader@gmail.com via RT]

On Thu, Jun 23, 2016 at 6:31 AM, Andy Polyakov via RT <rt at openssl.org> wrote:
>>> Here's a couple more ways things don't work as expected:
>>>
>>> # ./config CFLAGS="-mx32"
>>> Operating system: x86_64-whatever-linux2
>>> Configuring for linux-x86_64
>>> Configuring OpenSSL version 1.1.0-pre6-dev (0x0x10100006L)
>>> target already defined - linux-x86_64 (offending arg: CFLAGS=-mx32)
>>>
>>> # ./config -mx32
>>> Operating system: x86_64-whatever-linux2
>>> Configuring for linux-x86_64
>>> ...
>>
>> There is linux-x32 config line, use that instead.
>
> It naturally means that using linux-x86_64 config with -mx32 option is
> not supported. Or in other words if there are problems with that,
> questions won't be answered. I.e. *do* use linux-x32 for x32 build.

A quick question about this configuration... Should Linux-x32 enable
ec_nistp_64_gcc_128 by default? Does anything prohibit
ec_nistp_64_gcc_128 in this configuration?

# ./Configure linux-x32
Configuring OpenSSL version 1.1.0-pre6-dev (0x0x10100006L)
    no-asan         [default]  OPENSSL_NO_ASAN (skip dir)
    ...
    no-ec_nistp_64_gcc_128 [default]  OPENSSL_NO_EC_NISTP_64_GCC_128 (skip dir)
    ...

I believe it meets the three criteria for ec_nistp_64_gcc_128.

 Jeff


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