Re: [boost] Static Member declaration GCC

From: Bernd Martin Wollny (bm.wollny_at_[hidden])
Date: 2005-11-14 03:38:46

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Hello Stefan,

thank you for your replay.
> this question should go to some C++ newsgroup, as it is only vaguely
> related to boost.
You are right, i will post it again to a C++ newsgroup.

>>boost::shared_ptr<test> SimpleSingleton<test>::as;
>>boost::mutex SimpleSingleton<test>::inst_mutex;
>
>
> should be:
>
> template <> boost::shared_ptr<test> SimpleSingleton<test>::as;
> template <> boost::mutex SimpleSingleton<test>::inst_mutex;
>
>
The empty template parameter solved the compilation problem, but now
there are a link error:

/tmp/ccn0DQFJ.o:t1.cpp:(.text$_ZN15SimpleSingletonI4testE8instanceEv[SimpleSingleton<test>::instance()]+0x44):
undefined reference to `SimpleSingleton<test>::inst_mutex'
/tmp/ccn0DQFJ.o:t1.cpp:(.text$_ZN15SimpleSingletonI4testE8instanceEv[SimpleSingleton<test>::instance()]+0x5d):
undefined reference to `SimpleSingleton<test>::as'
/tmp/ccn0DQFJ.o:t1.cpp:(.text$_ZN15SimpleSingletonI4testE8instanceEv[SimpleSingleton<test>::instance()]+0xab):
undefined reference to `SimpleSingleton<test>::as'
/tmp/ccn0DQFJ.o:t1.cpp:(.text$_ZN15SimpleSingletonI4testE8instanceEv[SimpleSingleton<test>::instance()]+0x103):
undefined reference to `SimpleSingleton<test>::as'

bye
   Bernd

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