tasks.json

{
    "options": {
        "cwd": "${workspaceFolder}/build"
    },
    "tasks": [
        {
            "label": "cmake",
            "command": "cmake",
            "args": [
                "-DDEBUG=ON",
                ".."
            ]
        },
        {
            "label": "make",
            "command": "make",
            "args": [
                "-j",
                "6"
            ]
        },
        {
            "label": "CMake Build",
            "dependsOn": [
                "cmake",
                "make"
            ]
        }
    ],
    "version": "2.0.0"
}