Re: [Boost-users] multiple definitions of symbol with Boost.Test

From: Gennadiy Rozental (gennadiy.rozental_at_[hidden])
Date: 2005-12-26 19:25:55

> When I try to link a test suite I get this:
>
> ld: multiple definitions of symbol boost::test_tools::(anonymous 
> namespace)::check_is_close
> mspathCEntry_test.o definition of boost::test_tools::(anonymous 
> namespace)::check_is_close in section (__DATA,__data)
> ModelBuilder_test.o definition of boost::test_tools::(anonymous 
> namespace)::check_is_close in section (__DATA,__data)
> ld: multiple definitions of symbol boost::test_tools::(anonymous 
> namespace)::check_is_small
> mspathCEntry_test.o definition of boost::test_tools::(anonymous 
> namespace)::check_is_small in section (__DATA,__data)
> ModelBuilder_test.o definition of boost::test_tools::(anonymous 
> namespace)::check_is_small in section (__DATA,__data)
> LinearProduct_test.o definition of boost::test_tools::(anonymous 
> namespace)::check_is_close in section (__DATA,__data)
> LinearProduct_test.o definition of boost::test_tools::(anonymous 
> namespace)::check_is_small in section (__DATA,__data)
> .....
>
> This is with boost 1.33 on Darwin/OS-X.  The same code was building OK
> with the 1.31 libraries (and 1.32 on linux, I think).  I'm using libtool. 
> Here's the makefile

I remember seeing similar report recently. As it clear from error message 
linker complains about multiple definitions for symbols in anonymous 
namespace. This looks like compiler bug. If you know any workarounds please 
share them with us.

Gennadiy