1 files changed, 18 insertions, 6 deletions

diff --git a/tools/testing/selftests/sync/Makefile b/tools/testing/selftests/sync/Makefile
index 43db80b71e80..8e04d0afcbd7 100644
--- a/tools/testing/selftests/sync/Makefile
+++ b/tools/testing/selftests/sync/Makefile
@@ -2,14 +2,16 @@ CFLAGS += -O2 -g -std=gnu89 -pthread -Wall -Wextra
 CFLAGS += -I../../../../usr/include/
 LDFLAGS += -pthread
 
-# lib.mk TEST_CUSTOM_PROGS var is for custome tests that need special
+.PHONY: all clean
+
+include ../lib.mk
+
+# lib.mk TEST_CUSTOM_PROGS var is for custom tests that need special
 # build rules. lib.mk will run and install them.
-TEST_CUSTOM_PROGS = sync_test
 
+TEST_CUSTOM_PROGS := $(OUTPUT)/sync_test
 all: $(TEST_CUSTOM_PROGS)
 
-include ../lib.mk
-
 OBJS = sync_test.o sync.o
 
 TESTS += sync_alloc.o
@@ -20,6 +22,16 @@ TESTS += sync_stress_parallelism.o
 TESTS += sync_stress_consumer.o
 TESTS += sync_stress_merge.o
 
-sync_test: $(OBJS) $(TESTS)
+OBJS := $(patsubst %,$(OUTPUT)/%,$(OBJS))
+TESTS := $(patsubst %,$(OUTPUT)/%,$(TESTS))
+
+$(TEST_CUSTOM_PROGS): $(TESTS) $(OBJS)
+        $(CC) -o $(TEST_CUSTOM_PROGS) $(OBJS) $(TESTS) $(CFLAGS) $(LDFLAGS)
+
+$(OBJS): $(OUTPUT)/%.o: %.c
+        $(CC) -c $^ -o $@
+
+$(TESTS): $(OUTPUT)/%.o: %.c
+        $(CC) -c $^ -o $@
 
-EXTRA_CLEAN := sync_test $(OBJS) $(TESTS)
+EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(OBJS) $(TESTS)