tasks.json

{
    // See https://go.microsoft.com/fwlink/?LinkId=733558
    // for the documentation about the tasks.json format
    "version": "2.0.0",
    // "command": "sh",
    // "type": "shell",
    // "args": ["-c"],
    "options": {
        "cwd": "${workspaceRoot}/build"
    },
    "tasks": [
        {
            "label": "Remove build dir",
            "type": "shell",
            "command": "rm -rf build && mkdir build",
            "problemMatcher": [],
            "options": {
                "cwd": "${workspaceRoot}"
            },
        },
        {
            "label": "cmake",
            "type": "shell",
            "command": "cmake",
            "args": [
                ".."
            ],
            "problemMatcher": [],
        },
        {
            "label": "make",
            "type": "shell",
            "command": "make",
            "args": [
                "-j7"
            ],
            "problemMatcher": [
                "$gcc"
            ],
        },
    ]
}