Unable to link FORTRAN x64 DLL

We have build many FORTRAN x32 DLL's utilizing VS2008 and Intel(R) Visual Fortran 11.1.038.

When we try "upgrade" to x64 we always get the following error when attempting to build:

 Build Log

     Build started: Project: test, Configuration: x64|x64



 Output

    Compiling with Intel(R) Visual Fortran 11.1.038 [Intel(R) 64]...
ifort /nologo /iface:cvf /module:"x64\x64\\" /object:"x64\x64\\" /libs:static /threads /c /Qvc9 /Qlocation,link,"C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\bin\amd64""E:\AST_SOFT\Soft_dev\Solid\UniGr\UG_Nuform\test\UG_NUFORM_DLL.for"
Compiling manifest to resources...
rc.exe /fo "E:\AST_SOFT\Soft_dev\Solid\UniGr\UG_Nuform\test\x64\x64\test.dll.embed.manifest.res""E:\AST_SOFT\Soft_dev\Solid\UniGr\UG_Nuform\test\x64\x64\test.dll.embed.manifest.rc"
Microsoft (R) Windows (R) Resource Compiler Version 6.0.5724.0
Copyright (C) Microsoft Corporation.  All rights reserved.

Linking...
Link /OUT:"x64\x64\test.dll" /NOLOGO /MANIFEST /MANIFESTFILE:"E:\AST_SOFT\Soft_dev\Solid\UniGr\UG_Nuform\test\x64\x64\test.dll.intermediate.manifest" /IMPLIB:"E:\AST_SOFT\Soft_dev\Solid\UniGr\UG_Nuform\test\x64\x64\test.lib""x64\x64\UG_NUFORM_DLL.obj""E:\AST_SOFT\Soft_dev\Solid\UniGr\UG_Nuform\test\x64\x64\test.dll.embed.manifest.res"
Link: executing 'link'
   Creating library E:\AST_SOFT\Soft_dev\Solid\UniGr\UG_Nuform\test\x64\x64\test.lib and object E:\AST_SOFT\Soft_dev\Solid\UniGr\UG_Nuform\test\x64\x64\test.exp
libifcoremt.lib(for_main.obj) : error LNK2019: unresolved external symbol MAIN__ referenced in function main
x64\x64\test.dll : fatal error LNK1120: 1 unresolved externals


test - 2 error(s), 0 warning(s)


The following is the simple subroutine that is the sole member of the project/DLL:

	Subroutine  UG_NUFORM_DLL [dllexport] (ArgsIn)
!DEC$ ATTRIBUTES ALIAS:'UG_NUFORM_DLL' :: UG_NUFORM_DLL
!DEC$ ATTRIBUTES STDCALL :: UG_NUFORM_DLL
!DEC$ ATTRIBUTES REFERENCE :: ArgsIn
C
C	(c) A. S. Thomas, Inc.  2006
C	    All rights reserved.
C
C	=======================================================
C
C		The program translates UG file into
C			LEVEL I and	LEVEL II outputs
C
C	=======================================================

	IMPLICIT NONE
!
	character*256 ArgsIn
!
	character*256 command_line
	common /cmd_line/command_line
!
!===================================================================================
!====================================================================================

	command_line=ArgsIn
	return
C
	END

This test DLL builds when built using x86..  What is necessary to get a working DLL?