Build issue in libstdc++ at revision r216418

[Alexander Kabaev]

On Tue, 14 Dec 2010 01:21:37 +0100
Ollivier Robert <roberto at keltia.net> wrote:

> Just trying to update my 8.1-PRERELEASE to 8.2-PRERELEASE and it
> tumbles upon this error in libstdc++.  Any idea?
> 
> 2 -O -pipe -DIN_GLIBCPP_V3 -DHAVE_CONFIG_H
> -I/usr/src/gnu/lib/libstdc++
> -I/usr/src/gnu/lib/libstdc++/../../../contrib/libstdc++/libsupc++
> -I/usr/src/gnu/lib/libstdc++/../../../contrib/gcc
> -I/usr/src/gnu/lib/libstdc++/../../../contrib/libstdc++/include
> -I/usr/src/gnu/lib/libstdc++/../../../contrib/gcclibs/include
> -I/usr/src/gnu/lib/libstdc++/../../../contrib/libstdc++/include -I.
> -frandom-seed=RepeatabilityConsideredGood -fstack-protector
> -fno-implicit-templates -ffunction-sections -fdata-sections
> -Wno-deprecated -c atomicity.cc atomicity.cc: In function
> '_Atomic_word __gnu_cxx::__exchange_and_add(volatile _Atomic_word*,
> int)': atomicity.cc:36: error: redefinition of '_Atomic_word
> __gnu_cxx::__exchange_and_add(volatile _Atomic_word*,
> int)' /usr/src/gnu/lib/libstdc++/../../../contrib/libstdc++/include/ext/atomicity.h:50:
> error: '_Atomic_word __gnu_cxx::__exchange_and_add(volatile
> _Atomic_word*, int)' previously defined here atomicity.cc: In
> function 'void __gnu_cxx::__atomic_add(volatile _Atomic_word*, int)':
> atomicity.cc:47: error: redefinition of 'void
> __gnu_cxx::__atomic_add(volatile _Atomic_word*,
> int)'/usr/src/gnu/lib/libstdc++/../../../contrib/libstdc++/include/ext/atomicity.h:54:
> error: 'void __gnu_cxx::__atomic_add(volatile _Atomic_word*, int)'
> previously defined here *** Error code 1
> 

Clean your obj, pretty please. Then do make cleandir couple of times in
src. Then repeat your build.

-- 
Alexander Kabaev
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