Build restructure top level

pkgs/erasure/Makefile

@@ -1,11 +1,19 @@
 all: build test
 .PHONY: all
 
-test:
-	@godep go test
+test: test-race test-cover
+
+test-race:
+	@godep go test -race
+
+test-cover:
+	@godep go test -coverprofile=cover.out
 
 isal/isal-l.a:
-	@$(MAKE) --quiet -C isal lib
+	@$(MAKE) -C isal lib
 
 build: isal/isal-l.a
 	@godep go build
+
+clean:
+	@rm -v cover.out