void loadClass(string class)
{
    string classIH = class + IH;
    string classGch = classIH + ".gch";
    string storedGch = g_cwd + g_gchDir + '/' + classGch;

        // if the gch file doesn't exist but the gch file in gchDir does
        // then mv the gchDir file to the current directory
    if (!exists(classGch) && exists(storedGch))
    {
        echo(OFF);
        system("mv " + storedGch + " .");
        echo(USE_ECHO);
    }
}

void loadPrecompile(list classes)
{
    for (int idx = listlen(g_classes); idx--; )
    {
        string class = g_classes[idx];

        chdir(class);
        loadClass(class);        
        chdir(g_cwd);
    }

    #ifdef MAIN
        loadClass(g_mainBase);          // load the main.ih.gch file
    #endif
}