Index: doc/papers/concurrency/Makefile
===================================================================
--- doc/papers/concurrency/Makefile	(revision d046db2ac11262165d9c13d2f62d3fff987a4f36)
+++ doc/papers/concurrency/Makefile	(revision b68fc85c385c78a719e38cee61d4235739c22591)
@@ -81,11 +81,11 @@
 	ln -fs ../AMA/AMA-stix/ama/WileyNJD-AMA.bst .
 
-%.tex : %.fig
+%.tex : %.fig ${Build}
 	fig2dev -L eepic $< > ${Build}/$@
 
-%.ps : %.fig
+%.ps : %.fig ${Build}
 	fig2dev -L ps $< > ${Build}/$@
 
-%.pstex : %.fig
+%.pstex : %.fig ${Build}
 	fig2dev -L pstex $< > ${Build}/$@
 	fig2dev -L pstex_t -p ${Build}/$@ $< > ${Build}/$@_t