+TEXTARGETS := makeindex.pdf
+
+.PHONY: all index-update rebase index-rebase tex-update tex-rebase clean distclean
+
+SED := sed
+CMP := cmp -s
+
+all: $(TEXTARGETS)
+
+index-update:
+ $(SED) -i -e 's/楽譜の/楽譜\\index{がくふ@楽譜}の/' makeindex.tex
+
+index-rebase:
+ $(CMP) makeindex.tex.base makeindex.tex || $(CP) makeindex.tex.base makeindex.tex
+
+rebase: index-rebase
+
+include latex.mk
+
+clean: tex-clean
+
+distclean: clean tex-distclean