1 files changed, 22 insertions, 11 deletions

diff --git a/Makefile b/Makefile
index 078aa54..e028ca0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,23 +1,34 @@
+################################################################################
+################################################################################
 CFLAGS += -O3
+CFLAGS += -Wall -Wextra -pedantic -Werror
 CFLAGS += -D_POSIX_SOURCE
 CFLAGS += -D_POSIX_C_SOURCE=200809L
 ################################################################################
-EXECUTABLE = jh-cli
-SRC_DIR = ./src
+EXECUTABLE ?= jh-cli
+BASE_DIR ?= $(CURDIR)
+SRC_DIR ?= $(BASE_DIR)/src
+COMPILE_DIR ?= $(BASE_DIR)/compilation_data
 ################################################################################
-export
+SRC_FILES ?= $(shell find $(SRC_DIR) -type f -name *.c)
+OBJ_FILES ?= $(patsubst $(SRC_DIR)/%.c,$(COMPILE_DIR)/%.o,$(SRC_FILES))
+DEP_FILES ?= $(patsubst %.o,%.d,$(OBJ_FILES))
 ################################################################################
 
 build: $(EXECUTABLE)
 
-$(EXECUTABLE): $(SRC_DIR)/export.a
-	$(CC) $(CFLAGS) -o $@ $<
+$(OBJ_FILES): $(COMPILE_DIR)/%.o : $(SRC_DIR)/%.c $(COMPILE_DIR)/%.d
+	$(CC) $(CFLAGS) -c -o $@ $<
 
-$(SRC_DIR)/export.a: .JUST_CHECK
-	$(MAKE) -C $(SRC_DIR) export.a
+$(DEP_FILES): $(COMPILE_DIR)/%.d: $(SRC_DIR)/%.c
+	mkdir -p $(dir $@)
+	@set -e; rm -f $@; \
+		$(CC) -M $(CFLAGS) $< > $@.$$$$; \
+		sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \
+		rm -f $@.$$$$
 
-clean:
-	$(MAKE) -C $(SRC_DIR) clean
-	rm -f $(EXECUTABLE)
+$(EXECUTABLE): $(OBJ_FILES)
+	$(CC) $(CFLAGS) -o $@ $^
 
-.JUST_CHECK:
+clean:
+	rm -fr $(EXECUTABLE) $(COMPILE_DIR)