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-rw-r--r--arch/sandbox/cpu/Makefile3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/sandbox/cpu/Makefile b/arch/sandbox/cpu/Makefile
index 63deded..7d4410c 100644
--- a/arch/sandbox/cpu/Makefile
+++ b/arch/sandbox/cpu/Makefile
@@ -8,6 +8,7 @@
#
obj-y := cpu.o os.o start.o state.o
+obj-$(CONFIG_SANDBOX_SDL) += sdl.o
# os.c is build in the system environment, so needs standard includes
# CFLAGS_REMOVE_os.o cannot be used to drop header include path
@@ -17,3 +18,5 @@ cmd_cc_os.o = $(CC) $(filter-out -nostdinc, \
$(obj)/os.o: $(src)/os.c FORCE
$(call if_changed_dep,cc_os.o)
+$(obj)/sdl.o: $(src)/sdl.c FORCE
+ $(call if_changed_dep,cc_os.o)