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Subject:	Re: Request update GCC
To:	cygwin AT cygwin DOT com
References:	<594f1e45 DOT 14119d0a DOT 73dda DOT b6f9 AT mx DOT google DOT com> <3a4f8ce8-e76c-678c-c11c-e91366e57ec7 AT gmail DOT com>
From:	Marco Atzeri <marco DOT atzeri AT gmail DOT com>
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Date:	Mon, 26 Jun 2017 12:16:51 +0200
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On 25/06/2017 06:03, JonY wrote:
> On 06/25/2017 02:21 AM, Steven Penny wrote:
>> GCC 5.4 was released June 2016, and GCC 6.1 was released April 2016:
>>
>> http://gcc.gnu.org/releases.html
>>
>> Here are some key packages:
>>
>> gcc-core, gcc-g++
>> ==================
>> - version: 5.4.0-1
>> - version: 6.3.0-1 [test]
>> - Jonathan Yong (JonY)
>>
>>
>
> Would you mine testing GCC6? IIRC exception handling is broken in 6,
> which is why it is stuck in test.
>
> I suppose I can put gcc 6.3 in test soon.
>

Jon,

are you building the compilers on cygwin or cross compiling ?

I was trying to test the patch for
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47030
as it is blocking PETSC porting,
but I was unable to build 6.3.0-1 from your
source package.


In file included from 
/cygdrive/e/cyg_pub/devel/gcc/gcc-6.3.0-1.src/gcc-6.3.0-1.
x86_64/src/gcc-6.3.0/gcc/rtl.h:31:0,
                  from 
/cygdrive/e/cyg_pub/devel/gcc/gcc-6.3.0-1.src/gcc-6.3.0-1.
x86_64/src/gcc-6.3.0/gcc/genopinit.c:25:
/cygdrive/e/cyg_pub/devel/gcc/gcc-6.3.0-1.src/gcc-6.3.0-1.x86_64/src/gcc-6.3.0/g
cc/real.h:36:35: warning: division by zero [-Wdiv-by-zero]
  #define SIGSZ   (SIGNIFICAND_BITS / HOST_BITS_PER_LONG)

/cygdrive/e/cyg_pub/devel/gcc/gcc-6.3.0-1.src/gcc-6.3.0-1.x86_64/src/gcc-6.3.0/g
cc/real.h:49:21: note: in expansion of macro ‘SIGSZ’
    unsigned long sig[SIGSZ];

Regards
Marco



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