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Date:      Mon, 29 Feb 2016 20:52:59 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-ports-bugs@FreeBSD.org
Subject:   [Bug 207600] databases/akonadi: fix build with boost 1.60 on 9.x
Message-ID:  <bug-207600-13@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D207600

            Bug ID: 207600
           Summary: databases/akonadi: fix build with boost 1.60 on 9.x
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: Individual Port(s)
          Assignee: kde@FreeBSD.org
          Reporter: amdmi3@FreeBSD.org
             Flags: maintainer-feedback?(kde@FreeBSD.org)
          Assignee: kde@FreeBSD.org

Created attachment 167576
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D167576&action=
=3Dedit
Patch

akonadi fails to build with boost 1.60 on 9.x:

---
/usr/local/include/boost/bind/bind.hpp:882:65: error: no member named 'forw=
ard'
in namespace 'std'
    A1 && operator[] (boost::arg<1> (*) ()) const { return std::forward<A1>(
a1_ ); }
                                                           ~~~~~^
---

full log: http://people.freebsd.org/~amdmi3/akonadi-1.13.0.log

I haven't digged deep, but it seems that combination of libstdc++ and clang=
 (as
akonadi is built with clang on 9.x due to USES=3Dcompiler:c++11-lang) makes=
 boost
misdetect support for c++11 features, and it tries to use std::forward whic=
h is
not present in the library. Another solution would be to switch akonadi to
USES=3Dcompiler:c++11-lib (which may be more desirable, as building c++ lib=
raries
with clang while most ports are built with gcc may lead to ABI compatibility
issues, and c++11-lib will use gcc to build), but it will also require
additional testing.

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