------------ build.sh ------------------

#!/bin/bash

FILES="wrapper.c main.c"

if [ "$1" == "build-only" ]
then
  gcc -g -lpthread -lrt $FILES
else
  gcc -g -lpthread -lrt $FILES && ./a.out
fi


---------- tasks.json ------------
{
  "version": "2.0.0",
  "tasks": [
    {
      "label": "build and run",
      "command": "bash",
      "args": [
        "build.sh"
      ],
      "group": {
        "kind": "build",
        "isDefault": true
      }
    },
    {
      "label": "build",
      "command": "bash",
      "args": [
        "build.sh",
        "build-only"
      ],
      "group": "build"
    }
  ]
}


----------- launch.json --------------
{
  // Use IntelliSense to learn about possible attributes.
  // Hover to view descriptions of existing attributes.
  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
  "version": "0.2.0",
  "configurations": [
    {
      "name": "gcc build and debug active file",
      "type": "cppdbg",
      "request": "launch",
      "program": "/home/casper/kode/clang/os/1/a.out",
      "args": [],
      "stopAtEntry": false,
      "cwd": "${workspaceFolder}",
      "environment": [],
      "externalConsole": false,
      "MIMode": "gdb",
      "setupCommands": [
        {
          "description": "Enable pretty-printing for gdb",
          "text": "-enable-pretty-printing",
          "ignoreFailures": true
        }
      ],
      "preLaunchTask": "build",
      "miDebuggerPath": "/usr/bin/gdb"
    }
  ]
}