fix build

Makefile

@@ -1,21 +1,34 @@
 VERSION = $(shell git describe --tags)
+BUILDTIME = $(shell date +%Y.%m.%d)
 
-all:
-	-rm resources/*.so
-	touch resources/blank.so
-	-cp -a ~/go/src/go.wit.com/toolkits/*.so resources/    # embed the toolkit plugins in the binary
-	GO111MODULE=off go build -v -x \
-		    -ldflags "-X main.VERSION=${VERSION}"
+all: build
 	./helloworld
 
+build:
+	GO111MODULE=off go build \
+		-ldflags "-X main.VERSION=${VERSION} -X main.BUILDTIME=${BUILDTIME} -X gui.GUIVERSION=${VERSION}"
+
+verbose:
+	GO111MODULE=off go build -v -x \
+		-ldflags "-X main.VERSION=${VERSION} -X main.BUILDTIME=${BUILDTIME} -X gui.GUIVERSION=${VERSION}"
+
 install:
-	GO111MODULE=off go install -v -x \
-		    -ldflags "-X main.VERSION=${VERSION}"
-	./helloworld
+	GO111MODULE=off go install \
+		-ldflags "-X main.VERSION=${VERSION} -X main.BUILDTIME=${BUILDTIME} -X gui.GUIVERSION=${VERSION}"
+
+clean:
+	-rm -f gadgetwindow
+	-rm resources/*.so
+	touch resources/blank.so
+
+# embed the toolkit plugins in the binary
+embed:
+	-rm resources/*.so
+	touch resources/blank.so
+	-cp -a ~/go/src/go.wit.com/toolkits/*.so resources/
 
 gocui:
-	GO111MODULE=off go build -v -x
-	./helloworld --gui gocui >/tmp/helloworld.stdout 2>&1
+	./helloworld --gui gocui
 
 goimports:
 	goimports -w *.go
@@ -25,4 +38,3 @@ redomod:
 	goimports -w *.go
 	GO111MODULE= go mod init
 	GO111MODULE= go mod tidy
-