1 files changed, 5 insertions, 0 deletions

diff --git a/arch/x86_64/kernel/acpi/Makefile b/arch/x86_64/kernel/acpi/Makefile
index 7da9ace890bd..4fe97071f297 100644
--- a/arch/x86_64/kernel/acpi/Makefile
+++ b/arch/x86_64/kernel/acpi/Makefile
@@ -1,3 +1,8 @@
 obj-y                   := boot.o
 boot-y                  := ../../../i386/kernel/acpi/boot.o
 obj-$(CONFIG_ACPI_SLEEP)        += sleep.o wakeup.o
+
+ifneq ($(CONFIG_ACPI_PROCESSOR),)
+obj-y                   += processor.o
+endif
+