wireguard-go/Makefile

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PREFIX ?= /usr
DESTDIR ?=
BINDIR ?= $(PREFIX)/bin
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ifeq ($(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.)
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else
$(shell printf 'package main\nconst UseTheKernelModuleInstead = 0xdeadbabe\n' > ireallywantobuildon_linux.go)
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endif
endif
all: wireguard-go
export GOPATH := $(CURDIR)/.gopath
export PATH := $(PATH):$(CURDIR)/.gopath/bin
GO_IMPORT_PATH := git.zx2c4.com/wireguard-go
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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 $@
vendor/.created: Gopkg.toml Gopkg.lock | .gopath/.created
command -v dep >/dev/null || go get -v github.com/golang/dep/cmd/dep
export PWD; cd .gopath/src/$(GO_IMPORT_PATH) && dep ensure -vendor-only -v
touch $@
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wireguard-go: $(wildcard *.go) $(wildcard */*.go) .gopath/.created vendor/.created version.go
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go build -v $(GO_IMPORT_PATH)
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install: wireguard-go
@install -v -d "$(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
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.PHONY: clean install update-dep version.go