tasks.json

{
    "tasks": [
        {
            "type": "shell",
            "label": "Make",
            "command": "bear --append make",
            "args": [],
            "options": {
                "cwd": "${workspaceFolder}"
            },
            "problemMatcher": [
                "$gcc"
            ],
            "dependsOn": "Configure",
            "group": {
                "kind": "build",
                "isDefault": true
            }
        },
        {
            "type": "shell",
            "label": "AutoGen",
            "command": "[ -f configure ] && echo 'Already generated' || autogen.sh",
            "args": [],
            "options": {
                "cwd": "${workspaceFolder}"
            },
            "problemMatcher": [],
            "group": "build"
        },
        {
            "type": "shell",
            "label": "Configure",
            "command": "[ -f Makefile ] && echo 'Already configured' || ./configure --enable-debug",
            "args": [],
            "options": {
                "cwd": "${workspaceFolder}"
            },
            "problemMatcher": [],
            "group": "build",
            "dependsOn": "AutoGen"
        },
        {
            "type": "shell",
            "label": "AutoGen (force)",
            "command": "autogen.sh",
            "args": [],
            "options": {
                "cwd": "${workspaceFolder}"
            },
            "problemMatcher": [],
            "group": "build"
        },
        {
            "type": "shell",
            "label": "Configure (force)",
            "command": "./configure --enable-debug",
            "args": [],
            "options": {
                "cwd": "${workspaceFolder}"
            },
            "problemMatcher": [],
            "group": "build",
            "dependsOn": "AutoGen"
        }

    ],
    "version": "2.0.0"
}