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make: Fix for local builds outside of GOPATH

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Go can be weird about tools having to run in a directory with
go.mod. This commit moves the linuxkit makefile to the same
directory as the code.

It also changes the semantics of the local-build target.
You can now use STATIC=0 for dynamic builds or PIE=1 to
use --buildmode=pie. The binaries we were producing in
local-static weren't actually static so I fixed that too

Signed-off-by: Dave Tucker <dave@dtucker.co.uk>
This commit is contained in:
Dave Tucker
2021-03-19 14:06:07 +00:00
parent a8797a5e0f
commit 93ada489f9
3 changed files with 105 additions and 45 deletions
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89
src/cmd/linuxkit/Makefile Normal file
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@@ -0,0 +1,89 @@
VERSION?="v0.0-dev"
GIT_COMMIT=$(shell git rev-list -1 HEAD)
GO_COMPILE?=linuxkit/go-compile:7b1f5a37d2a93cd4a9aa2a87db264d8145944006
export GO_FLAGS=-mod=vendor
ifeq ($(OS),Windows_NT)
LINUXKIT?=bin/linuxkit.exe
GOOS?=windows
else
LINUXKIT?=bin/linuxkit
GOOS?=$(shell uname -s | tr '[:upper:]' '[:lower:]')
endif
GOARCH?=amd64
ifneq ($(GOOS),linux)
CROSS+=-e GOOS=$(GOOS)
endif
ifneq ($(GOARCH),amd64)
CROSS+=-e GOARCH=$(GOARCH)
endif
.DELETE_ON_ERROR:
.PHONY: default all
default: $(LINUXKIT)
all: default
LINUXKIT_DEPS=$(wildcard *.go) $(wildcard */*.go) Makefile
$(LINUXKIT): tmp_linuxkit_bin.tar | bin
tar xf $<
rm $<
touch $@
tmp_linuxkit_bin.tar: $(LINUXKIT_DEPS)
tar cf - -C . . | docker run --rm --net=none --log-driver=none -i $(CROSS) $(GO_COMPILE) --package github.com/linuxkit/linuxkit/src/cmd/linuxkit --ldflags "-X github.com/linuxkit/linuxkit/src/cmd/linuxkit/version.GitCommit=$(GIT_COMMIT) -X github.com/linuxkit/linuxkit/src/cmd/linuxkit/version.Version=$(VERSION)" -o $(LINUXKIT) > $@
.PHONY: test-cross
test-cross:
$(MAKE) clean
$(MAKE) -j 3 GOOS=darwin tmp_linuxkit_bin.tar
$(MAKE) clean
$(MAKE) -j 3 GOOS=windows tmp_linuxkit_bin.tar
$(MAKE) clean
$(MAKE) -j 3 GOOS=linux tmp_linuxkit_bin.tar
$(MAKE) clean
LOCAL_LDFLAGS += -X github.com/linuxkit/linuxkit/src/cmd/linuxkit/version.GitCommit=$(GIT_COMMIT) -X github.com/linuxkit/linuxkit/src/cmd/linuxkit/version.Version=$(VERSION)
STATIC?=1
CGO_ENABLED?=1
BUILD_FLAGS=
PIE?=0
ifeq ($(STATIC), 1)
CGO_ENABLED=0
endif
ifeq ($(PIE), 1)
CGO_ENABLED=0
BUILD_FLAGS+= --buildmode pie
LOCAL_LDFLAGS+= -linkmode=external -s -w -extldflags \"-static-pie\"
endif
LOCAL_TARGET ?= $(LINUXKIT)
.PHONY: local-check local-build local-test local
local-check: $(LINUXKIT_DEPS)
@echo gofmt... && o=$$(gofmt -s -l $(filter %.go,$(LINUXKIT_DEPS))) && if [ -n "$$o" ] ; then echo $$o ; exit 1 ; fi
@echo govet... && go vet -printf=false ./...
@echo golint... && set -e ; for i in $(filter %.go,$(LINUXKIT_DEPS)); do golint $$i ; done
@echo ineffassign... && ineffassign ./...
local-build:
@mkdir -p $(dir LOCAL_TARGET)
CGO_ENABLED=$(CGO_ENABLED) go build -o $(LOCAL_TARGET) $(BUILD_FLAGS) --ldflags "$(LOCAL_LDFLAGS)"
local-test: $(LINUXKIT_DEPS)
go test -mod=vendor ./...
local: local-check local-build local-test
bin:
mkdir -p $@
install:
cp -R ./bin/* $(PREFIX)/bin
.PHONY: clean
clean:
rm -rf bin *.log *-kernel *-cmdline *-state *.img *.iso *.gz *.qcow2 *.vhd *.vmx *.vmdk *.tar *.raw