Re: [boost] Where is this symbol defined?

Subject: Re: [boost] Where is this symbol defined?
From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2014-07-11 16:55:22

On Friday 11 July 2014 15:45:52 Axel Ismirlian wrote:
> 
> From:	Andrey Semashev <andrey.semashev_at_[hidden]>
> To:	boost_at_[hidden]
> Date:	07/11/2014 03:38 PM
> Subject:	Re: [boost] Where is this symbol defined?
> Sent by:	"Boost" <boost-bounces_at_[hidden]>
> 
> > On Friday 11 July 2014 14:53:04 Axel Ismirlian wrote:
> > > I was wondering where the symbol .test_main(int, char**) is defined if
> > > it
> > > comes up undefined.
> > > 
> > > gcc.compile.c+
> > > +
> > > ../bin.v2/libs/asio/test/basic_datagram_socket_select.test/gcc-4.8.1/deb
> > > ug
> > > /
> > > 
> > > threading-multi/basic_datagram_socket.o gcc.link
> > > ../bin.v2/libs/asio/test/basic_datagram_socket_select.test/gcc-4.8.1/deb
> > > ug
> > > /
> > 
> > > threading-multi/basic_datagram_socket_select ld: 0711-224 WARNING:
> > Duplicate
> > 
> > > symbol: .init_unit_test_suite(int, char**) ld: 0711-345 Use the
> > > -bloadmap
> > > or -bnoquiet option to obtain more
> > > information.
> > > ld: 0711-317 ERROR: Undefined symbol: .test_main(int, char**)
> > > collect2: error: ld returned 8 exit status
> > > 
> > > I have done an object dump and I know it is undefined in
> > > libboost_test_exec_monitor.a, but that's as far as I got.
> > 
> > I think, test_main is supposed to be defined by the test. Optionally,
> > Boost.Test could generate it if asked. I think you should define
> > BOOST_TEST_MODULE for that. I don't know if Boost.ASIO tests are supposed
> > to
> > work that way.
>
> I'm a little confused where is BOOST_TEST_MODULE located? And should I
> define this in the cpp code of the test itself?
 
It's a macro that should be defined before Boost.Test headers are included.

http://www.boost.org/doc/libs/1_55_0/libs/test/doc/html/utf/compilation.html