no shell escape needed

documents/index/Makefile

@@ -1,9 +1,9 @@
 SOURCE = index
 
 make:
-	pdflatex -shell-escape $(SOURCE).tex -output-format=pdf
-	makeindex $(SOURCE)
-	pdflatex -shell-escape $(SOURCE).tex -output-format=pdf
+	pdflatex $(SOURCE).tex -output-format=pdf # first run for the aux file
+	makeindex $(SOURCE)                       # now the index is generated
+	pdflatex $(SOURCE).tex -output-format=pdf # pdf with index :-)
 	make clean
 
 clean: