PREFIX ?= /usr DESTDIR ?= BINDIR ?= $(PREFIX)/bin ifeq ($(shell go env GOOS),linux) ifeq ($(wildcard .git),) $(error Do not build this for Linux. Instead use the Linux kernel module. See wireguard.com/install/ for more info.) else $(shell printf 'package main\nconst UseTheKernelModuleInstead = 0xdeadbabe\n' > ireallywantobuildon_linux.go) endif endif all: wireguard-go export GOPATH := $(CURDIR)/.gopath export PATH := $(PATH):$(CURDIR)/.gopath/bin GO_IMPORT_PATH := git.zx2c4.com/wireguard-go version.go: @export GIT_CEILING_DIRECTORIES="$(realpath $(CURDIR)/..)" && \ tag="$$(git describe --dirty 2>/dev/null)" && \ ver="$$(printf 'package main\nconst WireGuardGoVersion = "%s"\n' "$$tag")" && \ [ "$$(cat $@ 2>/dev/null)" != "$$ver" ] && \ echo "$$ver" > $@ && \ git update-index --assume-unchanged $@ || true .gopath/.created: rm -rf .gopath mkdir -p $(dir .gopath/src/$(GO_IMPORT_PATH)) ln -s ../../.. .gopath/src/$(GO_IMPORT_PATH) touch $@ vendor/.created: Gopkg.toml Gopkg.lock | .gopath/.created command -v dep >/dev/null || go get -v github.com/golang/dep/cmd/dep cd .gopath/src/$(GO_IMPORT_PATH) && dep ensure -vendor-only -v touch $@ wireguard-go: $(wildcard *.go) $(wildcard */*.go) .gopath/.created vendor/.created version.go go build -v $(GO_IMPORT_PATH) install: wireguard-go @install -v -d "$(DESTDIR)$(BINDIR)" && install -v -m 0755 wireguard-go "$(DESTDIR)$(BINDIR)/wireguard-go" clean: rm -f wireguard-go update-dep: | .gopath/.created command -v dep >/dev/null || go get -v github.com/golang/dep/cmd/dep cd .gopath/src/$(GO_IMPORT_PATH) && dep ensure -update -v .PHONY: clean install update-dep version.go