unexpected public symbol in .obj for inlined function

From:
"Mario Semo" <mario_semo@Xhotmail.com>
Newsgroups:
microsoft.public.vc.language
Date:
Mon, 22 Oct 2007 20:50:56 +0200
Message-ID:
<#npTjyNFIHA.1316@TK2MSFTNGP02.phx.gbl>
Hello,

usually the compiler generates no symbol in the symbol table for an inlined
member.

inline int DerivedClass::function()
{
 return 0;
}

But this is not the case in the following sample.
(See below).
where a public (external) symbol is generated.

A problem occurs when the above inline function is included in 2 independent
..cpp files and both .obj files are linked together (e.q. into a dll).

======== ExportTst1.cpp =======
class BaseClass
{
 public:
   virtual int function()
   {
    return 123;
   }

};

class DerivedClass
: public BaseClass
{
 public:
   virtual inline int function();
};

template <class Base>
class TemplClass
: public DerivedClass
{
 public:
    int callFunction();

    static inline Base & BaseOf(TemplClass<Base> const &);
    static Base * b;
};

template <class Base>
Base * TemplClass<Base>::b = 0;

template <class Base>
int TemplClass<Base>::callFunction()
{
 return BaseOf(*this).Base::function();
}

template <class Base>
inline Base & TemplClass<Base>::BaseOf(TemplClass<Base> const &)
{
 return *b;
}

inline int DerivedClass::function()
{
 return 0;
}

template TemplClass<DerivedClass>;
===============================

to compile:
cl -W4 -nologo -D__WINDOWS__ /LD -c ExportTst1.cpp

dumpbin /SYMBOLS ExportTst1.obj

in a VC++ 8.0 Session.

Note : The Problem flushes when the last statement
template TemplClass<DerivedClass>;
is removed. But i need the explizit template instantation. The original code
is splitted into multiple files (the inline function are in a .inl file,
the template functions are in a .c file, the classes/templates in a .hpp and
the templ. instance is a client.cpp file).

any ideas?

--
mit freundlichen Gr??en/best regards
mario semo

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