Re: static var initialization in static library

From:
"Alex Blekhman" <tkfx.REMOVE@yahoo.com>
Newsgroups:
microsoft.public.vc.language
Date:
Thu, 7 Aug 2008 18:05:49 +0300
Message-ID:
<Oz6kV8J#IHA.3952@TK2MSFTNGP02.phx.gbl>
"David Wilkinson" wrote:

Get rid of static.h and put

#pragma comment(linker,"/INCLUDE:?g_x@@3UX@@A")

in static.cpp. You will find g_X is created.


Nope. Putting it in static.cpp doesn't have any effect. At least
with my VC++2008. You can try it by yourself.

I only mentioned the header file of the plugin because my plugin
was a class. But this header file was not included by any other
file except the .cpp file of the plugin.


That's interesting. Would you provide a concise example? I have
somewhat similar problem with our unit test framework. Each test
class resides in its own .CPP. Then there is a macro that
"registers" this class with global factory (via constructor of a
benign global object). Everything works fine as long as I build
EXE/DLL. However, if I build a static lib that contains tests and
then link it with final exe, then all registration code is gone.

All I know about this is what I learned from Carl and others in
the thread

<http://groups.google.com/group/microsoft.public.vc.language/browse_thread/thread/ec1e131ad3631cb6/b5e546e6fda3ff8e>


Yes, Carl shows nice trick how to use a name that is not mangled.
But the principle is the same as in my post. Unless you refer to a
symbol from some other module, the code is omitted by the linker.

Alex

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