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Re: Errors when compiling C++ using cross GCC

From: Andrew Haley <aph at redhat dot com>
To: Mark G <markg735 at gmail dot com>
Cc: gcc-help at gcc dot gnu dot org
Date: Sun, 20 Nov 2016 17:22:57 +0000
Subject: Re: Errors when compiling C++ using cross GCC
Authentication-results: sourceware.org; auth=none
References: <CAEeOP_ZHGrZgJ1+_mj5M51fxe=EhMo16Nw2nVqzXX57cc9u0Tw@mail.gmail.com> <d1acdee7-f751-f3fd-7ef3-48aa02b5b204@redhat.com> <CAEeOP_bpXRHaQbRZs4XUYyAtTqSQ+8QEDW_7TehQSvWhFHYbtQ@mail.gmail.com>

On 20/11/16 16:26, Mark G wrote:
> Hmmm. I took a look and didn't see anything obvious. It should be
> pulling libstdc++ from the install directory of GCC. I find it odd
> it's reporting multiple definitions within the same SO.
> 
> Anything I missed that a second pair of eyes sees?

So do I.  Try using -Wl,-Map,mapfile.  That should explain what is
happening.

Turn some things off.

-fno-lto

It is possible you're looking at linker bugs or the linker has been#
miscompiled.  Keep an open mind.

Andrew.

Follow-Ups:
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  - From: Mark G

References:
- Errors when compiling C++ using cross GCC
  - From: Mark G
- Re: Errors when compiling C++ using cross GCC
  - From: Andrew Haley
- Re: Errors when compiling C++ using cross GCC
  - From: Mark G

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