[debbugs-tracker] bug#26735: closed (Unable to build emacs with Intel compilers)

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Your message dated Mon, 29 May 2017 13:50:09 -0700
with message-id <address@hidden>
and subject line Re: Unable to build emacs with Intel compilers
has caused the debbugs.gnu.org bug report #26735,
regarding Unable to build emacs with Intel compilers
to be marked as done.

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26735: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=26735
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--- Begin Message --- Subject: Unable to build emacs with Intel compilers Date: Mon, 1 May 2017 15:45:07 +0000

Hi,

I'm trying to build emacs 25.2 with Intel 17.0.2 on CentOS 7.3, but the build is crashing with the following error message:


alloc.c(1383): error: identifier "max_align_t" is undefined
    return (MALLOC_IS_GC_ALIGNED || (intptr_t) p % GCALIGNMENT == 0
            ^

alloc.c(1407): error: identifier "max_align_t" is undefined
    if (! MALLOC_IS_GC_ALIGNED)
          ^


Do you have any idea what might be causing this? I can send you the full build log if it will help.

Adam J. Stewart

Assistant Systems Administrator

Laboratory Computing Resource Center

Computing, Environment and Life Sciences

Argonne National Laboratory

--- End Message ---

> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: Unable to build emacs with Intel compilers
>
>
>
>
> Date: 
>
> Mon, 29 May 2017 13:50:09 -0700
>
>
>
>
> User-agent: 
>
> Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1
>
>
>
>
> I managed to obtain a copy of icc (ICC) 17.0.2 20170213, the same version in the 
> original bug report, and could not reproduce the bug when building Emacs 25.2 on 
> Ubuntu 16.04.2 LTS x86-65.
>
> icc's stddef.h defines max_align_t inside this nested #if:
>
> #if __STDC_VERSION__ >= 201112L || __cplusplus >= 201103L
> #if !defined(__CLANG_MAX_ALIGN_T_DEFINED) /* || __has_feature(modules) */
> #ifndef _MSC_VER
>
> Possibly the original bug occurred when configuring with __STDC_VERSION__ equal 
> to 201112, and building with __STDC_VERSION__ equal to some lower value, which 
> is not something that is supposed to work in general. Or possibly there was a 
> file lib/stddef.h left over from a previous build with some other compiler. 
> Anyway, as this bug report looks like a false alarm and is not being followed up 
> on, I'm taking the liberty of closing it. We can reopen it later if I was too hasty.
>
>
> --- End Message ---