Add mrproper target.

Ensure Thrift is being built with only one thread.

Makefile

@@ -19,8 +19,8 @@ info:
 	@echo "DCDB - Data Center Database"
 	@echo "Buildsystem description"
 	@echo ""
-	@echo "Use the DCDBDEPSPATH environment variable to specify a build path."
-	@echo "Currently, the project will be built to:"
+	@echo "Use the DCDBDEPSPATH environment variable to specify a build path for the"
+	@echo "dependencies. Currently, the project dependenceis will be built to:"
 	@echo "$(DCDBDEPSPATH)"
 	@echo ""
 	@echo "Use the DCDBDEPLOYPATH environment variable to specifiy the path for deployment"
@@ -46,6 +46,13 @@ distclean: clean
 	@echo "Wiping dependencies..."
 	@rm -rf $(DCDBDEPSPATH)
 
+mrproper: distclean
+	$(eval U := $(shell whoami))
+	@if [ "$(U)" = "root" ]; then echo "Sorry, I won't allow you to use mrproper as root."; exit 1; fi
+	@echo ""
+	@echo "Wiping installation directory..."
+	@rm -rf $(DCDBDEPLOYPATH)
+
 all: $(DCDBDEPSPATH)/.prerequesites
 	make $(PROJECTS)
 
@@ -71,7 +78,8 @@ $(DCDBDEPSPATH)/.prerequesites: $(DCDBDEPSPATH)/.extract-distfiles
 	$(eval T := $(shell echo "$(DISTFILESPATHS)" | sed 's/.*thrift/thrift/' | sed 's/\ .*//'))
 	@cd $(DCDBDEPSPATH)/$(T) && ./configure --prefix=$(DCDBDEPLOYPATH) --without-qt4 --without-csharp \
 		--without-java --without-erlang --without-python --without-perl --without-php --without-php_extension \
-		--without-ruby --without-haskell --without-go --without-d --with-cpp --with-boost=$(DCDBDEPLOYPATH) && make && make install
+		--without-ruby --without-haskell --without-go --without-d --with-cpp --with-boost=$(DCDBDEPLOYPATH) \
+		--enable-libtool-lock && make -j 1 && make install
 
 	@echo ""
 	@echo "Staging and configuring Cassandra..."