Missing Library

Description

The linker cannot find a library that is specified in the compilation command.

Common Causes

• Library not installed on the system
• Library path not specified in the compilation command
• Typo in library name

Example of Error

Error Code

// Compilation command
// gcc -o program main.c -lmylib

Solution

Install the missing library or specify the correct path to it.

Corrected Code

// Install the library
// sudo apt-get install libmylib-dev

// Or specify the path
// gcc -o program main.c -L/path/to/lib -lmylib

Additional Tips

• Use -L flag to specify library search paths
• Check if the library is installed with appropriate development headers
• Some libraries have different names on different systems