1.If the linker detects that the DLL's source code module exports at least one function or variable, the linker also produces a single .lib file. This .lib file is small because it contains no functions or variables. It simply lists all the exported function and variable symbol names. This file is required in order to build the executable module.
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2.Next, the linker must combine all the .obj modules to create the resulting executable module. The linker must determine which DLLs contain all of the imported symbols that the code references. So you have to pass the DLL's .lib file to the linker. As mentioned before, the .lib file simply contains the list of symbols that a DLL module exports. The linker simply wants to know that a referenced symbol exists and which DLL module contains that symbol. If the linker resolves all the external symbol references, an executable module is born.
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2.Next, the linker must combine all the .obj modules to create the resulting executable module. The linker must determine which DLLs contain all of the imported symbols that the code references. So you have to pass the DLL's .lib file to the linker. As mentioned before, the .lib file simply contains the list of symbols that a DLL module exports. The linker simply wants to know that a referenced symbol exists and which DLL module contains that symbol. If the linker resolves all the external symbol references, an executable module is born.
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