mirror of
https://github.com/wneessen/apg-go.git
synced 2024-11-22 13:50:49 +01:00
94 lines
2.8 KiB
Makefile
94 lines
2.8 KiB
Makefile
# The binaries to build (just the basenames).
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BINS := apg
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VERSION ?= $(shell grep VersionString apg.go | head -1 | awk '{print $$5}' | sed 's/"//g')
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ALL_PLATFORMS := darwin/amd64 linux/amd64 linux/arm linux/arm64 linux/ppc64le linux/s390x windows/amd64
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OS := $(if $(GOOS),$(GOOS),$(shell go env GOOS))
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ARCH := $(if $(GOARCH),$(GOARCH),$(shell go env GOARCH))
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TAG := $(VERSION)__$(OS)_$(ARCH)
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BIN_EXTENSION :=
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ifeq ($(OS), windows)
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BIN_EXTENSION := .exe
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endif
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# If you want to build all binaries, see the 'all-build' rule.
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all: # @HELP builds binaries for one platform ($OS/$ARCH)
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all: build
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# For the following OS/ARCH expansions, we transform OS/ARCH into OS_ARCH
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# because make pattern rules don't match with embedded '/' characters.
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build-%:
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@$(MAKE) build \
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--no-print-directory \
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GOOS=$(firstword $(subst _, ,$*)) \
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GOARCH=$(lastword $(subst _, ,$*))
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all-build: # @HELP builds binaries for all platforms
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all-build: $(addprefix build-, $(subst /,_, $(ALL_PLATFORMS)))
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OUTBINS = $(foreach bin,$(BINS),bin/v$(VERSION)/$(OS)_$(ARCH)/$(bin)$(BIN_EXTENSION))
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build: $(OUTBINS)
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BUILD_DIRS := bin/v$(VERSION)/$(OS)_$(ARCH) \
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.go/bin/v$(VERSION)/$(OS)_$(ARCH) \
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.go/cache
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# Each outbin target is just a facade for the respective stampfile target.
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# This `eval` establishes the dependencies for each.
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$(foreach outbin,$(OUTBINS),$(eval \
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$(outbin): .go/$(outbin).stamp \
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))
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# This is the target definition for all outbins.
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$(OUTBINS):
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@true
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# Each stampfile target can reference an $(OUTBIN) variable.
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$(foreach outbin,$(OUTBINS),$(eval $(strip \
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.go/$(outbin).stamp: OUTBIN = $(outbin) \
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)))
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# This is the target definition for all stampfiles.
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# This will build the binary under ./.go and update the real binary iff needed.
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STAMPS = $(foreach outbin,$(OUTBINS),.go/$(outbin).stamp)
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.PHONY: $(STAMPS)
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$(STAMPS): go-build
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@echo "binary: $(OUTBIN)"
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@if ! cmp -s .go/$(OUTBIN) $(OUTBIN); then \
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mv .go/$(OUTBIN) $(OUTBIN); \
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date >$@; \
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fi
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# This runs the actual `go build` which updates all binaries.
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go-build: $(BUILD_DIRS)
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@echo
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@echo "building for $(OS)/$(ARCH)"
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@go build -o .go/bin/v$(VERSION)/$(OS)_$(ARCH)/apg$(BIN_EXTENSION) apg.go
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version: # @HELP outputs the version string
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version:
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@echo $(VERSION)
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"
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$(BUILD_DIRS):
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@mkdir -p $@
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clean: # @HELP removes built binaries and temporary files
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clean: bin-clean
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bin-clean:
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rm -rf .go bin
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help: # @HELP prints this message
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help:
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@echo "VARIABLES:"
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@echo " BINS = $(BINS)"
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@echo " OS = $(OS)"
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@echo " ARCH = $(ARCH)"
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@echo " REGISTRY = $(REGISTRY)"
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@echo
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@echo "TARGETS:"
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@grep -E '^.*: *# *@HELP' $(MAKEFILE_LIST) \
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| awk ' \
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BEGIN {FS = ": *# *@HELP"}; \
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{ printf " %-30s %s\n", $$1, $$2 }; \
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'
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