Makefile.in (common-tools, [...]): Speed up by using -j0.

	* gcc-interface/Makefile.in (common-tools, gnatmake-re,                 
	gnatlink-re): Speed up by using -j0.

From-SVN: r178586

gcc/ada/ChangeLog

+2011-09-06  Arnaud Charlet  <charlet@adacore.com>
+
+	* gcc-interface/Makefile.in (common-tools, gnatmake-re,
+	gnatlink-re): Speed up by using -j0.
+
 2011-09-06  Yannick Moy  <moy@adacore.com>
 
 	* sem_ch13.adb (Analyze_Aspect_Specifications): Call

gcc/ada/gcc-interface/Makefile.in

@@ -2336,7 +2336,7 @@ ifeq ($(TOOLSCASE),cross)
 endif
 
 common-tools:
-	$(GNATMAKE) -c -b $(ADA_INCLUDES) \
+	$(GNATMAKE) -j0 -c -b $(ADA_INCLUDES) \
 	  --GNATBIND="$(GNATBIND)" --GCC="$(CC) $(ALL_ADAFLAGS)" \
 	  gnatchop gnatcmd gnatkr gnatls gnatprep gnatxref gnatfind gnatname \
 	  gnatclean -bargs $(ADA_INCLUDES) $(GNATBIND_FLAGS)
@@ -2375,16 +2375,18 @@ common-tools:
 	$(GNATLINK) -v vxaddr2line -o $@ --GCC="$(GCC_LINK)" targext.o $(CLIB)
 
 gnatmake-re:  link.o targext.o
-	$(GNATMAKE) $(ADA_INCLUDES) -u sdefault --GCC="$(CC) $(MOST_ADA_FLAGS)"
-	$(GNATMAKE) -c $(ADA_INCLUDES) gnatmake --GCC="$(CC) $(ALL_ADAFLAGS)"
+	$(GNATMAKE) -j0 $(ADA_INCLUDES) -u sdefault --GCC="$(CC) $(MOST_ADA_FLAGS)"
+	$(GNATMAKE) -j0 -c $(ADA_INCLUDES) gnatmake --GCC="$(CC) $(ALL_ADAFLAGS)"
 	$(GNATBIND) $(ADA_INCLUDES) $(GNATBIND_FLAGS) gnatmake
 	$(GNATLINK) -v gnatmake -o ../../gnatmake$(exeext) \
 		--GCC="$(GCC_LINK)" $(TOOLS_LIBS)
 
 # Note the use of the "mv" command in order to allow gnatlink to be linked with
 # with the former version of gnatlink itself which cannot override itself.
-gnatlink-re:  link.o targext.o
-	$(GNATMAKE) -c $(ADA_INCLUDES) gnatlink --GCC="$(CC) $(ALL_ADAFLAGS)"
+# gnatlink-re cannot be run at the same time as gnatmake-re, hence the
+# dependency
+gnatlink-re: link.o targext.o gnatmake-re
+	$(GNATMAKE) -j0 -c $(ADA_INCLUDES) gnatlink --GCC="$(CC) $(ALL_ADAFLAGS)"
 	$(GNATBIND) $(ADA_INCLUDES) $(GNATBIND_FLAGS) gnatlink
 	$(GNATLINK) -v gnatlink -o ../../gnatlinknew$(exeext) \
 		    --GCC="$(GCC_LINK)" $(TOOLS_LIBS)