Re: [Boost-users] Boost questsion: Link error with boost using g++ and serialize

From: Daniel Goller (morfic_at_[hidden])
Date: 2005-04-20 17:54:33

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kauai wrote:
| Hi Folks,
|
| Strange problem.
|
| I have this declared inline in my class header file:
|
| friend class boost::serialization::access;
| template<class Archive> void serialize (Archive &ar,
| const unsigned int version);
| {
|    ar & m_name;  // std::string
| }
|
| Builds fine, then I move this to my .cpp file and I
| get a link error.
|
| Here is the output from the linker:
|
|
|
test.o(.gnu.linkonce.t._ZN5boost13serialization6access9serializeINS_7archive13text_oarchiveEN19test_RT0_j+0x13):
| In function `void
| boost::serialization::access::serialize<boost::archive::text_oarchive,
| Attribute>(boost::archive::text_oarchive&, Attribute&,
| unsigned)':
|
| /usr/include/c++/3.2.2/bits/stl_alloc.h:238: undefined
| reference to `void
|
Attribute::serialize<boost::archive::text_oarchive>(boost::archive::text_oarchive&,
| unsigned)'
|
root/abcmn/cmnUtilities/cmnGenericObjects/tests/GenericObjectsTests.o(.gnu.linkonce.t._ZN5boost13serialization6access9serializeINS_7archive13text_oarchiveEN19test_RT0_j+0x13):
| In function `void
| boost::serialization::access::serialize<boost::archive::text_iarchive,
| Attribute>(boost::archive::text_iarchive&, Attribute&,
| unsigned)':
| /usr/include/c++/3.2.2/bits/stl_alloc.h:238: undefined
| reference to `void
|
Attribute::serialize<boost::archive::text_iarchive>(boost::archive::text_iarchive&,
| unsigned)'
| collect2: ld returned 1 exit status

this used to happen when running the serialization demo.cpp here in
gentoo too

this patch:

http://gcc.gnu.org/ml/gcc-patches/2004-08/msg00653.html

seems to put this to rest now for good

hope this helps

|
| Any ideas?
| Thanks,
| Kauai
|
|
|
| 		
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