--- linux-2.4.19acpi/include/asm-i386/mpspec.h.orig	Sun Oct  6 21:27:06 2002
+++ linux-2.4.19acpi/include/asm-i386/mpspec.h	Sun Oct  6 21:34:06 2002
@@ -228,9 +228,11 @@
 extern void mp_register_ioapic (u8 id, u32 address, u32 irq_base);
 extern void mp_override_legacy_irq (u8 bus_irq, u8 polarity, u8 trigger, u32 global_irq);
 extern void mp_config_acpi_legacy_irqs (void);
-extern void mp_config_ioapic_for_sci(int irq);
 extern void mp_parse_prt (void);
 #endif /*CONFIG_X86_IO_APIC*/
+#ifdef CONFIG_X86
+extern void mp_config_ioapic_for_sci(int irq);
+#endif /*CONFIG_X86*/
 
 #endif /*CONFIG_ACPI_BOOT*/