Index: doc/theses/thierry_delisle_PhD/thesis/Makefile
===================================================================
--- doc/theses/thierry_delisle_PhD/thesis/Makefile	(revision 5ce9bea7df2b938e51fd16911bb3db187fc1d99d)
+++ doc/theses/thierry_delisle_PhD/thesis/Makefile	(revision f6664bf20cd0bee167a481acde6d2d076339a035)
@@ -8,5 +8,5 @@
 BibTeX = BIBINPUTS=${TeXLIB} && export BIBINPUTS && bibtex
 
-MAKEFLAGS = --no-print-directory --silent
+MAKEFLAGS = --no-print-directory # --silent
 VPATH = ${Build} ${Figures}
 
@@ -52,4 +52,6 @@
 # Directives #
 
+.NOTPARALLEL:						# cannot make in parallel
+
 .PHONY : all clean					# not file names
 
@@ -83,7 +85,4 @@
 	${LaTeX} $<
 
-build/fairness.svg : fig/fairness.py | ${Build}
-	python3 $< $@
-
 ## Define the default recipes.
 
@@ -107,6 +106,6 @@
 	sed -i 's/$@/${Build}\/$@/g' ${Build}/$@_t
 
-build/fairness.svg: fig/fairness.py | ${Build}
-	python3 fig/fairness.py build/fairness.svg
+build/fairness.svg : fig/fairness.py | ${Build}
+	python3 $< $@
 
 ## pstex with inverted colors