--- /dev/null
+.PHONY: all update rebase
+
+TEXTARGETS := graphics_pdf.pdf
+
+CMP := cmp -s
+CP := cp
+CONVERT := convert
+
+all:
+ @$(MAKE) -s graphics_pdf_1.pdf
+ @$(ECHO) '--------------------'
+ @$(MAKE) -s graphics_pdf_2.pdf
+
+graphics_pdf_1.pdf: rebase
+ @$(ECHO) '---------- $@: $^ ----------'
+ @$(MAKE) -s graphics_pdf.pdf
+ $(CP) -v graphics_pdf.pdf $@
+
+graphics_pdf_2.pdf: update
+ @$(ECHO) '---------- $@: $^ ----------'
+ @$(MAKE) -s graphics_pdf.pdf
+ $(CP) -v graphics_pdf.pdf $@
+
+rebase:
+ $(CMP) tiger.pdf.base tiger.pdf || $(CP) -v tiger.pdf.base tiger.pdf
+
+update:
+ $(CONVERT) Panthera_tigris_tigris.jpg tiger.pdf
+
+include latex.mk
+
+clean: tex-clean
+
+distclean: rebase clean tex-distclean
+ $(RM) graphics_pdf_*.pdf