misc/153887: Linux emulator not understand STB_GNU_UNIQUE binding
Yuri
yuri at tsoft.com
Tue Jan 11 08:10:09 UTC 2011
>Number: 153887
>Category: misc
>Synopsis: Linux emulator not understand STB_GNU_UNIQUE binding
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: change-request
>Submitter-Id: current-users
>Arrival-Date: Tue Jan 11 08:10:08 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator: Yuri
>Release: 8.1-STABLE amd64
>Organization:
n/a
>Environment:
>Description:
I have the working app in Ubuntu.
When I copy it to FreeBSD with all shared libs I get such message:
app.linux: symbol lookup error: ../lib/libstdc++.so.6: undefined symbol: _ZNSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE, version GLIBCXX_3.4
./lib/libstdc++.so.6 has been taken from Ubuntu (gcc-4.5.1). It was compiled there from gcc sources.
Upon closer inspection I see that on FreeBSD:
> readelf -aW ../lib/libstdc++.so.6 | grep _ZNSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE
1426: 000f30dc 4 OBJECT <OS specific>: 10 DEFAULT 26 _ZNSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE@@GLIBCXX_3.4
3380: 000f30dc 4 OBJECT <OS specific>: 10 DEFAULT 26 _ZNSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE
But on Ubuntu the word 10 is replaced with UNIQUE. It refers to the relatively newly introduced extension STB_GNU_UNIQUE, see here:
http://osdir.com/ml/general/2009-08/msg09809.html
I think Linux emulator is outdated and needs to be updated.
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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