Dlltoolexe -

LIBRARY "mylibrary" DESCRIPTION "My awesome library"

| Flag | Name | Description | | :--- | :--- | :--- | | -d <file> | | Specifies the module-definition file ( .def ) to read. | | -D <file> | DLL Name | Specifies the name of the DLL. This is written into the import library so the program knows which DLL to load at runtime. | | -l <file> | Output Library | Specifies the name of the import library file to create (e.g., libtest.a ). | | -e <file> | Output Exports | Creates an exports file ( .exp ). Rarely used manually. | | -U <file> | Underline | Adds an underscore prefix to symbols (standard for 32-bit Windows). Usually handled automatically. | | -k | Kill At | Removes the @<number> suffix from stdcall functions. Useful for compatibility. | | -A | Add Stdcall Alias | Creates aliases for stdcall functions. Very useful when linking libraries compiled with MSVC against MinGW. | dlltoolexe

Install it to the default root directory (typically C:\msys64 ). LIBRARY "mylibrary" DESCRIPTION "My awesome library" | Flag

Users rarely encounter dlltoolexe through a direct download. Instead, it arrives via: | | -l &lt;file&gt; | Output Library |

Here is a full guide on what dlltool.exe is, how it works, and how to use it.