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Subject: Re: [Boost-build] [EXTERNAL] Re: Boost build vacpp on Linux (PPC)
From: Hubert Tong (hstong_at_[hidden])
Date: 2012-03-28 18:14:39


Hi Noel,

I will try to cut down the optimization level to see; thanks.

-- Hubert

Hubert S K Tong
IBM Canada Ltd, C2/YGH/8200/MKM
8200 Warden Ave, Markham ON L6G 1C7
Canada
E-mail: hstong_at_[hidden]

From: "Belcourt, K. Noel" <kbelco_at_[hidden]>
To: "Boost.Build developer's and user's list"
            <boost-build_at_[hidden]>
Date: 28-03-2012 05:34 PM
Subject: Re: [Boost-build] [EXTERNAL] Re: Boost build vacpp on Linux
            (PPC)
Sent by: boost-build-bounces_at_[hidden]

Hi Hubert,

Looks like the Sandia-vacpp-10.1 tester ran last night using gcc to build
bjam. It's beginning to look like a problem with xlc at high optimization,
does that sound plausible?

-- Noel

On Mar 28, 2012, at 8:52 AM, Hubert Tong wrote:

      Hi Noel,

      The bjam built with GCC on AIX and Linux PPC does not core
      immediately.
      I have not confirmed if they will work fine for a full run of the
      tests.

      I will try to isolate the issue if time permits.

      Thanks,

      Hubert Tong

      Hubert S K Tong
      IBM Canada Ltd, C2/YGH/8200/MKM
      8200 Warden Ave, Markham ON L6G 1C7
      Canada
      E-mail: hstong_at_[hidden]

      <graycol.gif>"Belcourt, K. Noel" ---27-03-2012 09:43:47 PM---Hi
      Steven, On Mar 27, 2012, at 5:13 PM, Steven Watanabe wrote:

      From: "Belcourt, K. Noel" <kbelco_at_[hidden]>
      To: steven_at_[hidden], "Boost.Build developer's and
      user's list" <boost-build_at_[hidden]>
      Date: 27-03-2012 09:43 PM
      Subject: Re: [Boost-build] [EXTERNAL] Re: Boost build vacpp on Linux
      (PPC)
      Sent by: boost-build-bounces_at_[hidden]

      Hi Steven,

      On Mar 27, 2012, at 5:13 PM, Steven Watanabe wrote:

> On 03/27/2012 03:23 PM, Hubert Tong wrote:
>>
>> We have been getting this issue as well on both AIX and Linux on
      PPC.
>
> Okay, so this appears for xlc/PPC, right?

      Yes.

> Does it work for other compilers on PPC?

      Yes, it works fine with gcc-4.1.2. The problem is specific to xlc,
      as
      in:

      ./build.sh vacpp

      produces

      bin.unknownppc/bjam

      which cores. Perhaps Hubert can confirm that gcc builds a good bjam?

      Steven, I lack the time tonight to debug this but will change over
      our
      tests to use gcc to compile bjam and that should be a short term
      workaround. I'll attempt to look at this over the weekend and answer

      your questions then.

      Thanks for the help.

      -- Noel

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