def solutionEmitter(target, source, env):
    if source[0] == target[0]:
        source = []
    (base, suff) = SCons.Util.splitext(str(target[0]))
    suff = env.subst('$MSVSSOLUTIONSUFFIX')
    target[0] = base + suff
    if not source:
        source = 'sln_inputs:'
        if 'name' in env:
            if SCons.Util.is_String(env['name']):
                source = source + ' "%s"' % env['name']
            else:
                raise SCons.Errors.InternalError("name must be a string")
        if 'variant' in env:
            if SCons.Util.is_String(env['variant']):
                source = source + ' "%s"' % env['variant']
            elif SCons.Util.is_List(env['variant']):
                for variant in env['variant']:
                    if SCons.Util.is_String(variant):
                        source = source + ' "%s"' % variant
                    else:
                        raise SCons.Errors.InternalError("name must be a string or a list of strings")
            else:
                raise SCons.Errors.InternalError("variant must be a string or a list of strings")
        else:
            raise SCons.Errors.InternalError("variant must be specified")
        if 'slnguid' in env:
            if SCons.Util.is_String(env['slnguid']):
                source = source + ' "%s"' % env['slnguid']
            else:
                raise SCons.Errors.InternalError("slnguid must be a string")
        if 'projects' in env:
            if SCons.Util.is_String(env['projects']):
                source = source + ' "%s"' % env['projects']
            elif SCons.Util.is_List(env['projects']):
                for t in env['projects']:
                    if SCons.Util.is_String(t):
                        source = source + ' "%s"' % t
        source = source + ' "%s"' % str(target[0])
        source = [SCons.Node.Python.Value(source)]
    return ([target[0]], source)