Merge pull request #1180 from LiZhenCheng9527/kmeshctl-out

[cherry-pick-release-1.0.0] can specify the out name for kmeshctl

Author: kmesh-bot

Makefile

@@ -120,11 +120,12 @@ all-binary:
 	$(QUIET) (export PKG_CONFIG_PATH=$(PKG_CONFIG_PATH):$(ROOT_DIR)mk; \
 		CGO_ENABLED=0 $(GO) build -ldflags $(GOLDFLAGS) -o $(APPS4) $(GOFLAGS) ./ctl/main.go)
 
+OUT ?= kmeshctl
 .PHONY: kmeshctl
 kmeshctl:
 	$(call printlog, BUILD, $(APPS4))
 	$(QUIET) (export PKG_CONFIG_PATH=$(PKG_CONFIG_PATH):$(ROOT_DIR)mk; \
-		CGO_ENABLED=0 $(GO) build -gcflags $(GOGCFLAGS) -ldflags $(GOLDFLAGS) -o kmeshctl $(GOFLAGS) ./ctl/main.go)
+		CGO_ENABLED=0 $(GO) build -gcflags $(GOGCFLAGS) -ldflags $(GOLDFLAGS) -o $(OUT) $(GOFLAGS) ./ctl/main.go)
 
 .PHONY: gen-proto
 gen-proto: