README.in, INSTALL.in が更新されたら README, INSTALL が作り直されるように変更

diff --git a/Makefile.dist b/Makefile.dist
index 0db64be..73e56fb 100644 (file)
--- a/Makefile.dist
+++ b/Makefile.dist
@@ -14,9 +14,13 @@ ifndef DIST
 endif
 DATE := $(shell date "+%Yǯ%m·î%dÆü")
 
-all:
+all: $(README) $(INSTALL)
+
+$(README): $(README).in
        perl -pe "s/\@DATE\@/$(DATE)/;\
        s/\@FILENAME\@/$(DIST).tar.gz/" $(README).in > $(README)
+
+$(INSTALL): $(INSTALL).in
        perl -pe "s/\@DIRNAME\@/$(DIST)/" $(INSTALL).in > $(INSTALL)
 
 install: all