-INCLUDE = ../include
-CC = gcc
-CFLAGS = -g -Wall -I $(INCLUDE)
-WORDOBJ = word.o
-HASHOBJ = hash.o
-CMEMOBJ = cmem.o
-CERROBJ = cerr.o
-COMMONOBJ = $(WORDOBJ) $(HASHOBJ) $(CMEMOBJ) $(CERROBJ) struct.o cmd.o
-ASOBJ = assemble.o token.o label.o macro.o
-EXECOBJ = exec.o dump.o
-COMMONHEAD = $(INCLUDE)/casl2.h $(INCLUDE)/word.h $(INCLUDE)/hash.h $(INCLUDE)/cmem.h $(INCLUDE)/cerr.h
-ASHEAD = $(INCLUDE)/assemble.h
-EXECHEAD = $(INCLUDE)/exec.h
+INCLUDEDIR := ../include
+INCLUDE = -I $(INCLUDEDIR)
-.PHONY: all clean
+# コマンド
+CC := gcc
+CFLAGS := -g -Wall -Wextra $(INCLUDE)
+CTAGS := ctags
+ETAGS := etags
+SED := sed
+WHICH := which
-all: ../casl2 ../comet2 ../dumpword
+# ソースの分類
+CMDOBJ := casl2 comet2 dumpword
+COMMONOBJ := word cmem cerr
+CASL2OBJ := struct hash
+ASOBJ := assemble token label
+EXECOBJ := exec dump
-../casl2: casl2.o $(COMMONOBJ) $(ASOBJ) $(EXECOBJ)
- $(CC) $(CFLAGS) -o $@ $^
+.PHONY: all build tag clean
-../comet2: comet2.o $(COMMONOBJ) $(EXECOBJ)
- $(CC) $(CFLAGS) -o $@ $^
+all: build tag
-../dumpword: dumpword.o $(WORDOBJ) $(CMEMOBJ) $(CERROBJ)
- $(CC) $(CFLAGS) -o $@ $^
+# ヘッダファイルの依存関係を.dファイルに出力する
+%.d: %.c
+ @($(CC) -MM -I $(INCLUDEDIR) $< | $(SED) 's/\($*\.o\):/\1 $@:/g' >$@ && echo '$@ is created from $<')
-%.o: %.c
- $(CC) -c $(CFLAGS) $<
+# .dファイルからヘッダファイルの依存関係を取得する
+# ターゲットに clean が含まれている場合は除く
+ifeq (,$(filter %clean,$(MAKECMDGOALS)))
+ -include $(addsuffix .d,$(CMDOBJ) $(COMMONOBJ) $(CASL2OBJ) $(ASOBJ) $(EXECOBJ))
+endif
-casl2.o comet2.o $(COMMONOBJ) $(ASOBJ) $(EXECOBJ): $(COMMONHEAD)
+# casl2、comet2、dumpwordのビルド
+build: $(CMDOBJ)
-casl2.o $(ASOBJ): $(ASHEAD)
+casl2: casl2.o $(addsuffix .o,$(COMMONOBJ) $(CASL2OBJ) $(ASOBJ) $(EXECOBJ))
-comet2.o $(EXECOBJ): $(EXECHEAD)
+comet2: comet2.o $(addsuffix .o,$(COMMONOBJ) $(CASL2OBJ) $(EXECOBJ))
-TAGS: $(INCLUDE)/*.h *.c
- @if test `which etags`; then etags $^; fi
+dumpword: dumpword.o $(addsuffix .o,$(COMMONOBJ))
-clean:
- @rm -f *.o
+# tagファイル作成 - ctags & etags
+# コマンドがない場合はなにもしない
+tag: tags TAGS
+
+tags: $(INCLUDEDIR)/*.h *.c
+ $(if $(strip $(shell $(WHICH) $(CTAGS))),$(CTAGS) $^,@$(ECHO) '$(CTAGS): not found')
+
+TAGS: $(INCLUDEDIR)/*.h *.c
+ $(if $(strip $(shell $(WHICH) $(ETAGS))),$(ETAGS) $^,@$(ECHO) '$(ETAGS): not found')
+
+# makeで生成したファイルの削除
+clean: cmd-clean work-clean tag-clean
+
+cmd-clean:
+ @$(RM) casl2 comet2 dumpword
+
+work-clean:
+ @$(RM) *.o *.d
+
+tag-clean:
+ @$(RM) TAGS tags