Add all targets from related PR

Author: crobert-1

Makefile.Common

@@ -41,9 +41,10 @@ IMPI=impi
 BUILD_TYPE?=release
 
 # COVER_PKGS is the list of packages to include in the test coverage
-MAIN_PKGS := $(shell go list ./... | tr "\n" ",")
-SIGNALFX_PKGS := $(shell cd internal/signalfx-agent && go list ./... | tr "\n" ",")
-COVER_PKGS := $(MAIN_PKGS)$(SIGNALFX_PKGS)
+EXCLUDE_MODS=-not -path "./examples/*"
+FIND_MOD_ARGS=-type f -name "go.mod"
+COVER_PKGS := $(shell find . $(EXCLUDE_MODS) $(FIND_MOD_ARGS) -execdir $(GOCMD) list ./... \; | tr "\n" "," )
+
 COVER_DIR?=coverage
 COVER_DIR_ABS?=$(PWD)/$(COVER_DIR)
 TEST_COVER_DIR?=$(PWD)/tests/$(COVER_DIR)