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121 lines
3.8 KiB
Makefile
121 lines
3.8 KiB
Makefile
# Copyright 2015 The Prometheus Authors
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# THE AUTHORITATIVE VERSION OF THIS MAKEFILE LIVES IN:
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#
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# https://github.com/prometheus/utils
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#
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# PLEASE MAKE ANY CHANGES THERE AND PROPAGATE THEM TO ALL PROMETHEUS
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# REPOSITORIES THAT ARE USING THIS MAKEFILE.
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#
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# This file provides common Makefile infrastructure for several Prometheus
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# components. This includes make tasks for downloading Go, setting up a
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# self-contained build environment, fetching Go dependencies, building
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# binaries, running tests, and doing release management. This file is intended
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# to be included from a project's Makefile, which needs to define the following
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# variables, at a minimum:
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#
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# * VERSION - The current version of the project in question.
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# * TARGET - The desired name of the built binary.
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#
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# Many of the variables defined below are defined conditionally (using '?'),
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# which allows the project's main Makefile to override any of these settings, if
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# needed. See also:
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#
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# https://www.gnu.org/software/make/manual/html_node/Flavors.html#Flavors.
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#
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# The including Makefile may define any number of extra targets that are
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# specific to that project.
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VERSION ?= $(error VERSION not set in including Makefile)
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TARGET ?= $(error TARGET not set in including Makefile)
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SRC ?= $(shell find . -type f -name "*.go" ! -path "./.build/*")
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GOOS ?= $(shell uname | tr A-Z a-z)
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GOARCH ?= $(subst x86_64,amd64,$(patsubst i%86,386,$(shell uname -m)))
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GO_VERSION ?= 1.5.2
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GOURL ?= https://golang.org/dl
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GOPKG ?= go$(GO_VERSION).$(GOOS)-$(GOARCH).tar.gz
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GOPATH := $(CURDIR)/.build/gopath
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# Check for the correct version of go in the path. If we find it, use it.
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# Otherwise, prepare to build go locally.
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ifeq ($(shell command -v "go" >/dev/null && go version | sed -e 's/^[^0-9.]*\([0-9.]*\).*/\1/'), $(GO_VERSION))
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GOCC ?= $(shell command -v "go")
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GOFMT ?= $(shell command -v "gofmt")
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GO ?= GOPATH=$(GOPATH) $(GOCC)
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else
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GOROOT ?= $(CURDIR)/.build/go$(GO_VERSION)
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GOCC ?= $(GOROOT)/bin/go
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GOFMT ?= $(GOROOT)/bin/gofmt
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GO ?= GOROOT=$(GOROOT) GOPATH=$(GOPATH) $(GOCC)
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endif
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# Never honor GOBIN, should it be set at all.
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unexport GOBIN
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SUFFIX ?= $(GOOS)-$(GOARCH)
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BINARY ?= $(TARGET)
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ARCHIVE ?= $(TARGET)-$(VERSION).$(SUFFIX).tar.gz
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ROOTPKG ?= github.com/prometheus/$(TARGET)
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SELFLINK ?= $(GOPATH)/src/$(ROOTPKG)
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default: $(BINARY)
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$(GOCC):
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@echo Go version $(GO_VERSION) required but not found in PATH.
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@echo About to download and install go$(GO_VERSION) to $(GOROOT)
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@echo Abort now if you want to manually install it system-wide instead.
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@echo
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@sleep 5
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mkdir -p .build
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# The archive contains a single directory called 'go/'.
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curl -L $(GOURL)/$(GOPKG) | tar -C .build -xzf -
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rm -rf $(GOROOT)
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mv .build/go $(GOROOT)
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$(SELFLINK):
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mkdir -p $(dir $@)
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ln -s $(CURDIR) $@
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dependencies-stamp: $(GOCC) $(SRC) | $(SELFLINK)
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$(GO) get -d
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touch $@
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$(BINARY): $(GOCC) $(SRC) dependencies-stamp Makefile Makefile.COMMON
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$(GO) build $(GOFLAGS) -o $@
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.PHONY: archive
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archive: $(ARCHIVE)
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$(ARCHIVE): $(BINARY)
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tar -czf $@ $<
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.PHONY: tag
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tag:
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git tag $(VERSION)
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git push --tags
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.PHONY: test
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test: $(GOCC) dependencies-stamp
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$(GO) test ./...
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.PHONY: format
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format: $(GOCC)
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find . -iname '*.go' | egrep -v "^\./\.build|./generated|\./Godeps|\.(l|y)\.go" | xargs -n1 $(GOFMT) -w -s=true
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.PHONY: clean
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clean:
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rm -rf $(BINARY) $(ARCHIVE) .build *-stamp
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