Prefixing the executable with arch and OS values

Makefile

@@ -53,7 +53,7 @@ build:
 	@echo "   CGO_LDFLAGS = $(CGO_LDFLAGS)"
 	@echo "   BUILD_TAGS  = $(BUILD_TAGS)"
 	@echo "   VERSION     = $(VERSION)"
-	@for target_pkg in $(TARGET_PACKAGES); do echo $$target_pkg; $(GO) build -tags="$(BUILD_TAGS)" $(LDFLAGS) -o ./bin/`basename $$target_pkg`$(BIN_EXT) $$target_pkg || exit 1; done
+	@for target_pkg in $(TARGET_PACKAGES); do echo $$target_pkg; $(GO) build -tags="$(BUILD_TAGS)" $(LDFLAGS) -o ./bin/`basename $$target_pkg`-$(GOOS)-$(GOARCH)$(BIN_EXT) $$target_pkg || exit 1; done
 
 .PHONY: install
 install: