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How Can I Create a .lib File from a .dll and Header Files?

Barbara Streisand

Dec 06, 2024 am 03:11 AM

How Can I Create a .lib File from a .dll and Header Files?

Creating a .Lib File from .dll and Header Files

Creating a .lib file from existing .dll and header files is necessary to enable applications to access functionality defined within the .dll. Here are detailed step-by-step instructions:

Dump Exports:
- Using the Microsoft Visual C 2010 Express command prompt, navigate to the directory containing your .dll file.
- Enter the command: dumpbin /EXPORTS yourfile.dll > yourfile.exports
- This command extracts the exported function names from the .dll and saves them in a text file named "yourfile.exports."
Create a .def File:
- Open a text editor and create a new file named "yourfile.def."
- Add the line "EXPORTS" to the top of the file.
- Paste the exported function names from "yourfile.exports" into the ".def" file.
Generate .lib File:
- Open the Visual C command prompt.
- Navigate to the Visual C bin directory.
- Enter the following command: lib /def:yourfile.def /out:yourfile.lib
- This command creates a .lib file named "yourfile.lib" based on the .def file specifications.
Optional (for x64 Builds):
- For x64 builds, use the following command: lib /def:yourfile.def /machine:x64 /out:yourfile64.lib
- This will generate a 64-bit version of the .lib file named "yourfile64.lib."

You should now have a .lib file that you can use to link your application with the .dll functionality defined in your header file.

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