Simplified Makefiles.

Makefile

@@ -1,19 +1,8 @@
 SUBDIRS := libhashset example test
 
-BUILD_ALL := $(patsubst %,build\:%,$(SUBDIRS))
-CLEAN_ALL := $(patsubst %,clean\:%,$(SUBDIRS))
+.PHONY: all clean test $(SUBDIRS)
 
-.PHONY: all test clean $(BUILD_ALL) $(CLEAN_ALL)
+all clean test: $(SUBDIRS)
 
-all: $(BUILD_ALL)
-
-clean: $(CLEAN_ALL)
-
-$(BUILD_ALL):
-	$(MAKE) -C $(patsubst build:%,%,$@)
-
-$(CLEAN_ALL):
-	$(MAKE) -C $(patsubst clean:%,%,$@) clean
-
-test: $(BUILD_ALL)
-	$(MAKE) -C test test
+$(SUBDIRS):
+	$(MAKE) -C $@ $(MAKECMDGOALS)

example/Makefile

@@ -1,16 +1,8 @@
 SUBDIRS := hash-set hash-map
 
-BUILD_ALL := $(patsubst %,build\:%,$(SUBDIRS))
-CLEAN_ALL := $(patsubst %,clean\:%,$(SUBDIRS))
+.PHONY: all clean test $(SUBDIRS)
 
-.PHONY: all clean $(BUILD_ALL) $(CLEAN_ALL)
+all clean test: $(SUBDIRS)
 
-all: $(BUILD_ALL)
-
-clean: $(CLEAN_ALL)
-
-$(BUILD_ALL):
-	$(MAKE) -C $(patsubst build:%,%,$@)
-
-$(CLEAN_ALL):
-	$(MAKE) -C $(patsubst clean:%,%,$@) clean
+$(SUBDIRS):
+	$(MAKE) -C $@ $(MAKECMDGOALS)

example/hash-map/Makefile

@@ -10,11 +10,9 @@ ALL_PATH := $(SRC_PATH) $(BIN_PATH)
 BIN_FILE := $(BIN_PATH)/example-hash-map$(EXE_SUFFIX)
 SRC_FILE := $(wildcard $(SRC_PATH)/*.c)
 
-.PHONY: all build clean
+.PHONY: all clean test
 
-all: clean build
-
-build: $(ALL_PATH) $(BIN_FILE)
+all test: clean $(ALL_PATH) $(BIN_FILE)
 
 $(BIN_FILE): $(SRC_FILE)
 	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)

example/hash-set/Makefile

@@ -10,11 +10,9 @@ ALL_PATH := $(SRC_PATH) $(BIN_PATH)
 BIN_FILE := $(BIN_PATH)/example-hash-set$(EXE_SUFFIX)
 SRC_FILE := $(wildcard $(SRC_PATH)/*.c)
 
-.PHONY: all build clean
+.PHONY: all clean test
 
-all: clean build
-
-build: $(ALL_PATH) $(BIN_FILE)
+all test: clean $(ALL_PATH) $(BIN_FILE)
 
 $(BIN_FILE): $(SRC_FILE)
 	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)

libhashset/Makefile

@@ -11,10 +11,12 @@ SRC_FILE := $(wildcard $(SRC_PATH)/*.c)
 OBJ_FILE := $(addprefix $(OBJ_PATH)/,$(patsubst %.c,%.o,$(notdir $(SRC_FILE))))
 LIB_FILE := $(LIB_PATH)/libhashset-1.a
 
-.PHONY: all build clean
+.PHONY: all build clean test
 
 all: clean build
 
+test: build
+
 build: $(ALL_PATH) $(LIB_FILE)
 
 $(LIB_FILE): $(OBJ_FILE)

test/Makefile

@@ -1,22 +1,8 @@
 SUBDIRS := hash-set hash-map
 
-BUILD_ALL := $(patsubst %,build\:%,$(SUBDIRS))
-CLEAN_ALL := $(patsubst %,clean\:%,$(SUBDIRS))
-TESTS_ALL := $(patsubst %,rtest\:%,$(SUBDIRS))
+.PHONY: all clean test $(SUBDIRS)
 
-.PHONY: all clean test $(BUILD_ALL) $(CLEAN_ALL) $(TESTS_ALL)
+all clean test: $(SUBDIRS)
 
-all: $(BUILD_ALL)
-
-clean: $(CLEAN_ALL)
-
-test: $(TESTS_ALL)
-
-$(BUILD_ALL):
-	$(MAKE) -C $(patsubst build:%,%,$@)
-
-$(CLEAN_ALL):
-	$(MAKE) -C $(patsubst clean:%,%,$@) clean
-
-$(TESTS_ALL):
-	$(MAKE) -C $(patsubst rtest:%,%,$@) test
+$(SUBDIRS):
+	$(MAKE) -C $@ $(MAKECMDGOALS)

test/hash-map/Makefile

@@ -10,11 +10,9 @@ ALL_PATH := $(SRC_PATH) $(BIN_PATH)
 BIN_FILE := $(BIN_PATH)/test-hash-set$(EXE_SUFFIX)
 SRC_FILE := $(wildcard $(SRC_PATH)/*.c)
 
-.PHONY: all build clean test
+.PHONY: all clean test
 
-all: clean build
-
-build: $(ALL_PATH) $(BIN_FILE)
+all: clean $(ALL_PATH) $(BIN_FILE)
 
 $(BIN_FILE): $(SRC_FILE)
 	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
@@ -22,8 +20,8 @@ $(BIN_FILE): $(SRC_FILE)
 $(ALL_PATH):
 	mkdir -p $@
 
+test: all
+	./$(BIN_FILE)
+
 clean:
 	rm -vf $(BIN_FILE)
-
-test: build
-	./$(BIN_FILE)

test/hash-set/Makefile

@@ -10,11 +10,9 @@ ALL_PATH := $(SRC_PATH) $(BIN_PATH)
 BIN_FILE := $(BIN_PATH)/test-hash-set$(EXE_SUFFIX)
 SRC_FILE := $(wildcard $(SRC_PATH)/*.c)
 
-.PHONY: all build clean test
+.PHONY: all clean test
 
-all: clean build
-
-build: $(ALL_PATH) $(BIN_FILE)
+all: clean $(ALL_PATH) $(BIN_FILE)
 
 $(BIN_FILE): $(SRC_FILE)
 	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
@@ -22,8 +20,8 @@ $(BIN_FILE): $(SRC_FILE)
 $(ALL_PATH):
 	mkdir -p $@
 
+test: all
+	./$(BIN_FILE)
+
 clean:
 	rm -vf $(BIN_FILE)
-
-test: build
-	./$(BIN_FILE)