gcc -o -lsicl

This command is incomplete and does not specify the input source file or any other necessary parameters.

Assuming that you have a C source file named "example.c" that you want to compile and link with the SiCL library, the correct command would be:

gcc -o example -lsicl example.c

This command will compile the "example.c" file and link it with the SiCL library, creating an executable file named "example".