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From: Benjamin Mahler <bmahler@twitter.com>
Date: Fri, 7 Dec 2012 12:28:12 -0800
Message-ID: 
 <CA+8RcoSeEmXrpWObZ32BhRUJwsHCJBREV9iOgKRXJpi0peb5nQ@mail.gmail.com>
Subject: Re: Error building on Amazon Linux
To: mesos-dev@incubator.apache.org
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Thanks for the report, I'll send out a review for this today.

In the meantime, if you're keen to get going, a simple fix is to
change third_party/libprocess/include/stout/protobuf.hpp line 131 from:
  } else if (length != size) {
to:
  } else if (static_cast<uint32_t>(length) != size) {

It's interesting this only appears for you now, since this code was from
2011.


On Fri, Dec 7, 2012 at 11:22 AM, Jim Donahue <jdonahue@adobe.com> wrote:

> This is off of trunk; gcc version is 4.6.2.
>
> Error message is "In function protobuf.hpp in function 'Result<bool>
> protobuf::read(int, google::protobuf::Message*)': ... protobuf.hpp:131:24:
> Comparison between signed and unsigned integer expressions
> [-Werror=signed-compare]"
>
> Jim
>
> -----Original Message-----
> From: Benjamin Mahler [mailto:bmahler@twitter.com]
> Sent: Friday, December 07, 2012 11:09 AM
> To: mesos-dev@incubator.apache.org
> Subject: Re: Error building on Amazon Linux
>
> Thanks for the report, a few questions:
>
> Is this off of trunk?
> Can you provide the gcc version?
> Can you provide the unedited gcc error? (As in something with the line
> number)
>
> Thanks!
>
>
> On Fri, Dec 7, 2012 at 11:04 AM, Jim Donahue <jdonahue@adobe.com> wrote:
>
> > I just tried building Mesos on Amazon Linux this morning, but it's
> failing
> > compiling protobuf.hpp in function Result<bool> protobuf::read(int,
> > google::protobuf::Message*) with the error:
> >
> >         Comparison between signed and unsigned integer expressions
> > [-Werror=signed-compare]
> >
> > I think I've seen this before ...
> >
> > Jim Donahue
> > Adobe Systems
> >
> >
>

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