{
    "name": "tilix",
    "description": "A VTE based terminal emulator for Linux",
    "copyright": "Copyright © 2016, Gerald Nunn",
    "authors": ["Gerald Nunn"],
    "mainSourceFile": "source/app.d",
    "dflags-ldc": ["-disable-linker-strip-dead","-defaultlib=:libphobos2-ldc.a,:libdruntime-ldc.a"],

    "dependencies": {
        "gtk-d:gtkd": "~>3.6.5",
        "gtk-d:vte": "~>3.6.5"
    },
    "buildTypes": {
        "release": {
        },
        "debug": {
            "debugVersions": ["GC"],
            "dflags": ["-gc"]
        },
        "localize": {
            "versions": ["Localize"]
        },
        "i686": {
            "dflags": ["-m32", "-c"]
        }
    },

    "configurations": [
        {
            "name": "default",
            "targetType": "executable",
            "libs-linux": ["X11"],
            "versions": ["StdLoggerDisableTrace"]
        },
        {
            "name": "trace",
            "targetType": "executable",
            "libs-linux": ["X11"],
            "debugVersions": ["Destructors"]
        },
        {
            "name": "dynamic",
            "targetType": "executable",
            "libs": ["gtkd-3"],
            "libs-linux": ["X11"],
            "lflags": ["-defaultlib=gtkd-3.so"],
            "versions": ["StdLoggerDisableTrace"]
        }
    ]
}

{
    "name": "tilix",
    "description": "A VTE based terminal emulator for Linux",
    "copyright": "Copyright © 2016, Gerald Nunn",
    "authors": ["Gerald Nunn"],
    "mainSourceFile": "source/app.d",
    "dflags-ldc": ["-disable-linker-strip-dead","-defaultlib=:libphobos2-ldc.a,:libdruntime-ldc.a"],

    "dependencies": {
        "gtk-d:gtkd": "~>3.6.5",
        "gtk-d:vte": "~>3.6.5"
    },
    "buildTypes": {
        "release": {
        },
        "debug": {
            "debugVersions": ["GC"],
            "dflags": ["-g"]
        },
        "localize": {
            "versions": ["Localize"]
        },
        "i686": {
            "dflags": ["-m32", "-c"]
        }
    },

    "configurations": [
        {
            "name": "default",
            "targetType": "executable",
            "libs-linux": ["X11"],
            "versions": ["StdLoggerDisableTrace"]
        },
        {
            "name": "trace",
            "targetType": "executable",
            "libs-linux": ["X11"],
            "debugVersions": ["Destructors"]
        },
        {
            "name": "dynamic",
            "targetType": "executable",
            "libs": ["gtkd-3"],
            "libs-linux": ["X11"],
            "lflags": ["-defaultlib=gtkd-3.so"],
            "versions": ["StdLoggerDisableTrace"]
        }
    ]
}

Switch to -g flag from -gc
Switch to -g flag from -gc
