--- Makefile.orig	2018-01-07 07:10:36 UTC
+++ Makefile
@@ -2,22 +2,26 @@
 #  Makefile for ninix-aya
 #
 
-prefix = /opt/ninix-aya
+prefix ?= ${PREFIX}
 
 exec_libdir = $(prefix)/lib
 
 bindir = $(DESTDIR)$(prefix)/bin
-docdir = $(DESTDIR)$(prefix)/doc
-libdir = $(DESTDIR)$(exec_libdir)
-localedir = /usr/local/share/locale # system specific
+docdir = $(DESTDIR)$(prefix)/share/doc/ninix-aya
+libdir = $(DESTDIR)$(exec_libdir)/ninix
+localedir = $(DESTDIR)$(prefix)/share/locale # system specific
 
-shiori_so_dir = $(DESTDIR)$(prefix)/lib/kawari8:$(DESTDIR)$(prefix)/lib/yaya
+shiori_so_dir = $(prefix)/lib/kawari8:$(prefix)/lib/yaya
 
 ruby = ruby
 
 NINIX = ninix
 
+sed_dirs = sed -e "s,@ruby,$(ruby),g" -e "s,@libdir,$(libdir),g" -e "s,@so_path,$(shiori_so_dir),g"
+
 all:
+	$(sed_dirs) bin/ninix.in         > bin/ninix
+	msgfmt po/ja/ninix-aya.po -o po/ja/ninix-aya.mo
 
 install: install-lib install-bin install-doc
 
@@ -25,13 +29,10 @@ install-lib:
 	mkdir -p $(libdir)
 	cp -r lib/* $(libdir)
 	mkdir -p $(localedir)/ja/LC_MESSAGES
-	(cd po/ja ; msgfmt ninix-aya.po -o $(localedir)/ja/LC_MESSAGES/ninix-aya.mo)
-
-sed_dirs = sed -e "s,@ruby,$(ruby),g" -e "s,@libdir,$(libdir),g" -e "s,@so_path,$(shiori_so_dir),g"
+	cp po/ja/ninix-aya.mo $(localedir)/ja/LC_MESSAGES
 
 install-bin:
 	mkdir -p $(bindir)
-	$(sed_dirs) bin/ninix.in         > bin/ninix
 	install -m 755 bin/ninix         $(bindir)/$(NINIX)
 
 install-doc: