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To solve the “cannot find -l<nameOfTheLibrary>” error when linking your program, you should follow these steps:

  1. Check the Library Name: Ensure that the library name is correct and follows the naming conventions. The “-l” flag should be followed by the library name without the “lib” prefix and “.so” extension.
  2. Library Path: Make sure that the library is available in a directory that the linker can access. You can use the -L flag to specify additional library paths if the library is not in the default search paths.
  3. Check Library Files: Ensure that the library files actually exist. You may need to check if the library file is present and accessible in the specified path.
  4. Check Library Type: Verify whether the library is a shared library (.so) or a static library (.a). Your compile and link commands should match the type of library you have.

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  1. Symbolic Links: If your library is a symbolic link, double-check that the link is correctly set up and points to the actual library file.
  2. Verify Library Versions: If the library name includes a version number, ensure that the version exists and is correctly linked. You may need to create a symbolic link without the version number.
  3. Use ld with --verbose: You can use the ld command with the --verbose option to get detailed information about the linker’s search paths and library resolutions.

For example, if you’re trying to link to a library named “mylib” located in the “/path/to/library” directory, your compile command could look like this:

g++ -o my_program my_program.cpp -L/path/to/library -lmylib

Make sure to replace “my_program” with your program’s name and “my_program.cpp” with your source file. Adjust the paths and library names accordingly to match your setup.

Bipul author of nerdy tutorial
Bipul

Hello my name is Bipul, I love write solution about programming languages.

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