--- rpl/Makefile.am	2012/06/12 21:20:22	1.51
+++ rpl/Makefile.am	2012/12/13 20:27:07	1.56
@@ -213,6 +213,7 @@ $(top_builddir)/tools/@UNITS@/units$(EXE
 				@UNITS@/Makefile > $$TMP; \
 		mv -f $$TMP @UNITS@/Makefile; \
 	fi; \
+	cp -f $(srcdir)/tools/@UNITS@/units_cur $(top_builddir)/tools/@UNITS@
 	$(MAKE) -C $(top_builddir)/tools/@UNITS@ $(AM_MAKEFLAGS)
 
 .NOTPARALLEL: $(top_builddir)/tools/@FILE@/src/rplfile$(EXEEXT) \
@@ -263,6 +264,13 @@ all: $(top_builddir)/tools/@NCURSES@/lib
 		$(top_builddir)/tools/@UNITS@/units$(EXEEXT) \
 		$(top_builddir)/tools/@SIGSEGV@/src/.libs/@LIB_PREFIX@sigsegv.a \
 		@LIBRPLCAS@ @LIBMOTIF@
+	@if [ -n $(shell $(MAKE) -v | grep "^GNU Make") ]; then \
+		echo; \
+		echo MAKE=$(MAKE); \
+		echo "Please use GNU Make !"; \
+		echo; \
+		false; \
+	fi
 # Cette règle n'est là que pour forcer la compilation de Gnuplot.
 	$(MAKE) -C $(top_builddir)/tools $(AM_MAKEFLAGS)
 	$(MAKE) -C $(top_builddir)/rpltags $(AM_MAKEFLAGS)