Re: Project chenged from MBCS to Unicode gives Linker error

From:

"Tom Serface" <tom.nospam@camaswood.com>

Newsgroups:

microsoft.public.vc.mfc

Date:

Wed, 17 Oct 2007 10:52:46 -0700

Message-ID:

<F0A8CC05-3854-4992-A575-2287979EA779@microsoft.com>

There is a setting in the properties for the project about treating wchar_t
as a built in type and sometimes there is confusion if that is different in
different libraries. You may want to check that. That said, if the other
DLLs are yours I would just convert them all to Unicode and save yourself a
lot of headache. You can set up several build types in your projects so you
could have them build MBCS or Unicode depending on your need.

Tom

"Matrixinline" <anup.kataria@gmail.com> wrote in message
news:1192623805.668023.221200@k35g2000prh.googlegroups.com...

Hi All,

I have a Solution which contents 3 projects & given below are the
names & their character set encoding type

1. Utility - > MBCS
2. Calculations -> MBCS
3. User Interface -> Unicode ( Earlier It used to be MBCS)

When I Changed the Character set encoding for User Interface &
compiled the code I get hte Errors for the Char type I corrected all
of then and made them Wide characters.

& now project gets compiled but it gives me Linker errors 1500 I am
loosing it..:)))) . I cannot Post all errros But some of them are
below.

Can you please let me know Do I need to convert all the Projects to
use Unicode character set ?

ANd What should I do to remove all those error and run my application.

Thnaks
Anup

User_Interface fatal error LNK1120: 1 unresolved externals
User_Interface error LNK2005: "void __stdcall AfxTryCleanup(void)" (?
AfxTryCleanup@@YGXXZ) already defined in uafxcwd.lib(except.obj)
User_Interface error LNK2005: _g_fMultiMonInitDone already defined in
uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: _g_fMultimonPlatformNT already defined
in uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: _g_pfnEnumDisplayDevices already defined
in uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: _g_pfnEnumDisplayMonitors already
defined in uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: _g_pfnGetMonitorInfo already defined in
uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: _g_pfnGetSystemMetrics already defined
in uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: _g_pfnMonitorFromPoint already defined
in uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: _g_pfnMonitorFromRect already defined in
uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: _g_pfnMonitorFromWindow already defined
in uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: _InitMultipleMonitorStubs already
defined in uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: _IsPlatformNT already defined in
uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: _xEnumDisplayDevices@16 already defined
in uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: _xEnumDisplayMonitors@16 already defined
in uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: _xGetMonitorInfo@8 already defined in
uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: _xGetSystemMetrics@4 already defined in
uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: _xMonitorFromPoint@12 already defined in
uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: _xMonitorFromRect@8 already defined in
uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: _xMonitorFromWindow@8 already defined in
uafxcwd.lib(wincore.obj)
User_Interface error LNK2019: unresolved external symbol "int __cdecl
RecordExceptionInfo(struct _EXCEPTION_POINTERS *,unsigned short const
*)" (?RecordExceptionInfo@@YAHPAU_EXCEPTION_POINTERS@@PBG@Z)
referenced in function "long __stdcall
RecordDefaultExceptionInfo(struct _EXCEPTION_POINTERS *)" (?
RecordDefaultExceptionInfo@@YGJPAU_EXCEPTION_POINTERS@@@Z)
User_Interface error LNK2005: "void __stdcall _AfxHandleActivate(class
CWnd *,unsigned int,class CWnd *)" (?
_AfxHandleActivate@@YGXPAVCWnd@@I0@Z) already defined in
uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: "void __stdcall _AfxPostInitDialog(class
CWnd *,struct tagRECT const &,unsigned long)" (?
_AfxPostInitDialog@@YGXPAVCWnd@@ABUtagRECT@@K@Z) already defined in
uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: "void __stdcall _AfxPreInitDialog(class
CWnd *,struct tagRECT *,unsigned long *)" (?
_AfxPreInitDialog@@YGXPAVCWnd@@PAUtagRECT@@PAK@Z) already defined in
uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: "void __stdcall AfxCancelModes(struct
HWND__ *)" (?AfxCancelModes@@YGXPAUHWND__@@@Z) already defined in
uafxcwd.lib(winutil.obj)
User_Interface error LNK2005: "void __stdcall AfxDeleteObject(void *
*)" (?AfxDeleteObject@@YGXPAPAX@Z) already defined in
uafxcwd.lib(winutil.obj)
User_Interface error LNK2005: "void __stdcall AfxDump(class CObject
const *)" (?AfxDump@@YGXPBVCObject@@@Z) already defined in
uafxcwd.lib(dumpout.obj)
User_Interface error LNK2005: "void __stdcall AfxGlobalFree(void *)" (?
AfxGlobalFree@@YGXPAX@Z) already defined in uafxcwd.lib(winutil.obj)
User_Interface error LNK2005: "void __stdcall
AfxHookWindowCreate(class CWnd *)" (?
AfxHookWindowCreate@@YGXPAVCWnd@@@Z) already defined in
uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: "void __stdcall
AfxPostQuitMessage(int)" (?AfxPostQuitMessage@@YGXH@Z) already defined
in uafxcwd.lib(appcore.obj)
User_Interface error LNK2005: "void __stdcall
AfxRepositionWindow(struct AFX_SIZEPARENTPARAMS *,struct HWND__
*,struct tagRECT const *)" (?
AfxRepositionWindow@@YGXPAUAFX_SIZEPARENTPARAMS@@PAUHWND__@@PBUtagRECT@@@Z)
already defined in uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: "void __stdcall
AfxResetMsgCache(void)" (?AfxResetMsgCache@@YGXXZ) already defined in
uafxcwd.lib(wincore.obj)
User_Interface error LNK2005: "void __stdcall
AfxSetResourceHandle(struct HINSTANCE__ *)" (?
AfxSetResourceHandle@@YGXPAUHINSTANCE__@@@Z) already defined in
uafxcwd.lib(afxinl2.obj)
User_Interface error LNK2005: "void __stdcall
AfxThrowInvalidArgException(void)" (?
AfxThrowInvalidArgException@@YGXXZ) already defined in
uafxcwd.lib(except.obj)
User_Interface error LNK2005: "void __stdcall
AfxThrowLastCleanup(void)" (?AfxThrowLastCleanup@@YGXXZ) already
defined in uafxcwd.lib(except.obj)
User_Interface error LNK2005: "void __stdcall
AfxThrowMemoryException(void)" (?AfxThrowMemoryException@@YGXXZ)
already defined in uafxcwd.lib(except.obj)
User_Interface error LNK2005: "void __stdcall
AfxThrowNotSupportedException(void)" (?
AfxThrowNotSupportedException@@YGXXZ) already defined in
uafxcwd.lib(except.obj)