+#ifdef HAVE_PM_LINUX_PROC
+#define GENOPT_PROC "P:"
+#define GENHELP_PROC "-P <dir>\tUse specified directory instead of " PATH_PROC_BUS_PCI "\n"
+#else
+#define GENOPT_PROC
+#define GENHELP_PROC
+#endif
+#ifdef HAVE_PM_INTEL_CONF
+#define GENOPT_INTEL "H:"
+#define GENHELP_INTEL "-H <mode>\tUse direct hardware access (<mode> = 1 or 2)\n"
+#else
+#define GENOPT_INTEL
+#define GENHELP_INTEL
+#endif
+#ifdef HAVE_PM_SYSCALLS
+#define GENOPT_SYSCALLS "S"
+#define GENHELP_SYSCALLS "-S\t\tUse direct hardware access via syscalls\n"
+#else
+#define GENOPT_SYSCALLS
+#define GENHELP_SYSCALLS
+#endif
+#ifdef HAVE_PM_DUMP
+#define GENOPT_DUMP "F:"
+#define GENHELP_DUMP "-F <file>\tRead configuration data from given file\n"
+#else
+#define GENOPT_DUMP
+#define GENHELP_DUMP
+#endif