Undefined symbol : __sync_fetch_and_add_4 in file t-assign.o

Marc Glisse marc.glisse at inria.fr
Tue Jun 21 16:22:45 CEST 2011

On Tue, 21 Jun 2011, Dennis Clarke wrote:

> -mtune=i386 -march=i386
> Undefined                       first referenced
> symbol                             in file
> __sync_fetch_and_add_4              t-assign.o

A classic. You need to replace -march=i386 with something more recent. 
Blame it on gcc if you must.

Marc Glisse

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