バージョン表示機能を追加

[YACASL2.git] / src / Makefile

diff --git a/src/Makefile b/src/Makefile
index 04d0604..afb82a6 100644 (file)
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,40 +1,55 @@
+CC ?= gcc
+CFLAGS ?= -g -Wall -Wextra -I $(INCLUDE)
+RMF ?= rm -f
+WHICH ?= which
+CTAGS ?= ctags
+ETAGS ?= etags
+SED ?= sed
+
 INCLUDE := ../include
-CC := gcc
-CFLAGS := -g -Wall -Wextra -I $(INCLUDE)
-RM := rm -f
 
 COMMONSRC := word.c cmem.c cerr.c
-CASL2SRC := struct.c cmd.c hash.c
+CASL2SRC := struct.c hash.c
 ASSRC := assemble.c token.c label.c
 EXECSRC := exec.c dump.c
 
 .PHONY: all clean
 
-all: ../casl2 ../comet2 ../dumpword
+all: ../casl2 ../comet2 ../dumpword ctags etags
 
 ../casl2: casl2.o $(subst .c,.o,$(COMMONSRC) $(CASL2SRC) $(ASSRC) $(EXECSRC))
        $(CC) $(CFLAGS) -o $@ $^
-       @rm -f *.d
+       @$(RMF) *.d
 
 ../comet2: comet2.o $(subst .c,.o,$(COMMONSRC) $(CASL2SRC) $(EXECSRC))
        $(CC) $(CFLAGS) -o $@ $^
-       @rm -f *.d
+       @$(RMF) *.d
 
 ../dumpword: dumpword.o $(subst .c,.o,$(COMMONSRC))
        $(CC) $(CFLAGS) -o $@ $^
-       @rm -f *.d
+       @$(RMF) *.d
 
 %.o: %.c
        $(CC) -c $(CFLAGS) $<
 
 %.d: %.c
-       @$(CC) -MM -I $(INCLUDE) $< | sed 's/\($*\.o\):/\1 $@:/g' >$@
+       @$(CC) -MM -I $(INCLUDE) $< | $(SED) 's/\($*\.o\):/\1 $@:/g' >$@
 
 -include $(subst .c,.d,casl2.c comet2.c dumpword.c $(COMMONSRC) $(CASL2SRC) $(ASSRC) $(EXECSRC))
 
-TAGS: $(INCLUDE)/*.h *.c
-       @if test `which etags`; then etags $^; fi
+ctags: $(INCLUDE)/*.h *.c
+       @$(WHICH) $(CTAGS) >/dev/null && $(CTAGS) $^
+
+etags: $(INCLUDE)/*.h *.c
+       @$(WHICH) $(ETAGS) >/dev/null && $(ETAGS) $^
+
+clean: clean_cmd clean_build clean_tags
+
+clean_cmd:
+       @$(RMF) ../casl2 ../comet2 ../dumpword
+
+clean_build:
+       @$(RMF) *.o *.d
 
-clean:
-       @rm -f ../casl2 ../comet2 ../dumpword
-       @rm -f *.o *.d
+clean_tags:
+       @$(RMF) TAGS tags