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From "Wang Zhaoyue" <wzy1...@hotmail.com>
Subject log4cxx0.9.7 can't work in msvc6.0
Date Thu, 17 Jun 2004 03:50:43 GMT
hello
I download the log4cxx0.9.7 and build the dll in msvc6.0 successfully.
    But I can't use the dll in my test project.

	Here is my test cpp:

#include "stdafx.h"

#include <windows.h>

#include <log4cxx/config.h>
#include <log4cxx/logger.h>
#include <log4cxx/helpers/serversocket.h>
#include <log4cxx/helpers/socket.h>
#include <log4cxx/net/socketnode.h>
#include <log4cxx/xml/domconfigurator.h>
#include <log4cxx/propertyconfigurator.h>
#include <log4cxx/helpers/thread.h>
#include <log4cxx/logmanager.h>
#include <log4cxx/level.h>
#include <log4cxx/helpers/stringhelper.h>

using namespace log4cxx;
using namespace log4cxx::helpers;

int main(int argc, char* argv[])
{
	//USES_CONVERSION;
	String fileName = "log4j.properties";
	PropertyConfigurator::configure(fileName);
	LoggerPtr logger = Logger::getLogger(_T("my.log"));
	for (int i=0; i<10; i++)
	{
		logger->info(_T("hello, world"));
		logger->debug(_T("this is a debug statement"));
	}
	return 0;
}

and get the following error:

LogTest.obj : error LNK2001: unresolved external symbol 
"__declspec(dllimport) public: void __thiscall log4cxx::Logger::debug(class 
std::basic_string<char,struct std::char_traits<char>,class 
std::allocator<char> > const &,char const *,int)" (__imp_?
debug@Logger@log4cxx@@QAEXABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@PBDH@Z)
LogTest.obj : error LNK2001: unresolved external symbol 
"__declspec(dllimport) public: void __thiscall log4cxx::Logger::info(class 
std::basic_string<char,struct std::char_traits<char>,class 
std::allocator<char> > const &,char const *,int)" (__imp_?i
nfo@Logger@log4cxx@@QAEXABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@PBDH@Z)
LogTest.obj : error LNK2001: unresolved external symbol 
"__declspec(dllimport) public: static class 
log4cxx::helpers::ObjectPtrT<class log4cxx::Logger>  __cdecl 
log4cxx::Logger::getLogger(class std::basic_string<char,struct 
std::char_traits<char>,cl
ass std::allocator<char> > const &)" 
(__imp_?getLogger@Logger@log4cxx@@SA?AV?$ObjectPtrT@VLogger@log4cxx@@@helpers@2@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z)
LogTest.obj : error LNK2001: unresolved external symbol 
"__declspec(dllimport) public: static void __cdecl 
log4cxx::PropertyConfigurator::configure(class std::basic_string<char,struct 
std::char_traits<char>,class std::allocator<char> > const &)" (__
imp_?configure@PropertyConfigurator@log4cxx@@SAXABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z)
Debug/LogTest.exe : fatal error LNK1120: 4 unresolved externals
Error executing link.exe.

I build the dll in unicode release mode.
I have added path to "Tools, Options, Directories, Libraries" which 
includeing log4cxx.dll,log4cxx.lib, log4cxx.exp and NTEventLogAppender.dll.
I also add log4cxx.lib to project->settings->Link->General->Object/Library 
Modules.

Is there any other specific settings I did not make?

Thx a lot!

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