provisional ldc2.conf for snap-packaged LDC

ldc2.conf

// This configuration file uses libconfig.
// See http://www.hyperrealm.com/libconfig/ for syntax details.

// The default group is required
default:
{
    // 'switches' holds array of string that are appends to the command line
    // arguments before they are parsed.
    switches = [
        "-I%%ldcbinarypath%%/../include/d/ldc",
        "-I%%ldcbinarypath%%/../include/d",
        "-L-L%%ldcbinarypath%%/../lib",
        "-defaultlib=phobos2-ldc,druntime-ldc",
        "-debuglib=phobos2-ldc-debug,druntime-ldc-debug",
        "-gcc=ldc2.gcc"
    ];
};