golang.mk

# golang utilities
GO_MIN_VERSION = 1.7

# pre-definitions
GOTAGS ?=
GOFLAGS ?=
GOTFLAGS ?=

DEPS_GO :=
TEST_GO :=
CHECK_GO :=

go-pkg-name=$(shell go list $(go-tags) ./$(1))
go-main-name=$(notdir $(call go-pkg-name,$(1)))$(?exe)
go-curr-pkg-tgt=$(d)/$(call go-main-name,$(d))

go-tags=$(if $(GOTAGS), -tags $(call join-with,$(comma),$(GOTAGS)))
go-flags-with-tags=$(GOFLAGS)$(go-tags)

define go-build
go build -i $(go-flags-with-tags) -o "$@" "$(call go-pkg-name,$<)"
endef

test_go_short: GOTFLAGS += -test.short
test_go_short: test_go_expensive
.PHONY: test_go_short

test_go_race: GOTFLAGS += -race
test_go_race: test_go_expensive
.PHONY: test_go_race

test_go_expensive: $$(DEPS_GO)
	go test $(go-flags-with-tags) $(GOTFLAGS) ./...
.PHONY: test_go_expensive
TEST_GO += test_go_expensive

test_go_fmt:
	bin/test-go-fmt
.PHONY: test_go_fmt
TEST_GO += test_go_fmt

test_go: $(TEST_GO)

check_go_version:
	bin/check_go_version $(GO_MIN_VERSION)
.PHONY: check_go_version
CHECK_GO += check_go_version

TEST += $(TEST_GO)
TEST_SHORT += test_go_fmt test_go_short