package gcc is not installed

It seems like you are encountering an error message stating that the "package gcc is not installed". This error message indicates that the GNU Compiler Collection (GCC) is not installed on your system. GCC is a collection of programming language compilers and is required for compiling and building programs from source code.

To resolve this issue, you can try installing GCC using your system's package manager. The specific command will depend on your operating system and package manager. For example, on Ubuntu or Debian, you can run the following command:

sudo apt-get install gcc

On CentOS or Fedora, you can use the following command:

sudo dnf install gcc

Once GCC is installed, you should be able to compile and build programs successfully.