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112 lines
3.1 KiB
Makefile
112 lines
3.1 KiB
Makefile
BASE:=base.tar.gz
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DEV_BUILD:=0
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GO:=go
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GO_FLAGS:=-ldflags "-s -w" # strip Go binaries
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CGO_ENABLED:=0
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GOMODVENDOR:=
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CFLAGS:=-O2 -Wall
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LDFLAGS:=-static -s # strip C binaries
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GO_FLAGS_EXTRA:=
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ifeq "$(GOMODVENDOR)" "1"
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GO_FLAGS_EXTRA += -mod=vendor
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endif
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GO_BUILD_TAGS:=
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ifneq ($(strip $(GO_BUILD_TAGS)),)
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GO_FLAGS_EXTRA += -tags="$(GO_BUILD_TAGS)"
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endif
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GO_BUILD:=CGO_ENABLED=$(CGO_ENABLED) $(GO) build $(GO_FLAGS) $(GO_FLAGS_EXTRA)
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SRCROOT=$(dir $(abspath $(firstword $(MAKEFILE_LIST))))
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# additional directories to search for rule prerequisites and targets
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VPATH=$(SRCROOT)
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DELTA_TARGET=out/delta.tar.gz
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ifeq "$(DEV_BUILD)" "1"
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DELTA_TARGET=out/delta-dev.tar.gz
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endif
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# The link aliases for gcstools
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GCS_TOOLS=\
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generichook \
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install-drivers
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.PHONY: all always rootfs test
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.DEFAULT_GOAL := all
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all: out/initrd.img out/rootfs.tar.gz
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clean:
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find -name '*.o' -print0 | xargs -0 -r rm
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rm -rf bin deps rootfs out
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test:
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cd $(SRCROOT) && $(GO) test -v ./internal/guest/...
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rootfs: out/rootfs.vhd
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out/rootfs.vhd: out/rootfs.tar.gz bin/cmd/tar2ext4
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gzip -f -d ./out/rootfs.tar.gz
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bin/cmd/tar2ext4 -vhd -i ./out/rootfs.tar -o $@
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out/rootfs.tar.gz: out/initrd.img
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rm -rf rootfs-conv
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mkdir rootfs-conv
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gunzip -c out/initrd.img | (cd rootfs-conv && cpio -imd)
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tar -zcf $@ -C rootfs-conv .
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rm -rf rootfs-conv
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out/initrd.img: $(BASE) $(DELTA_TARGET) $(SRCROOT)/hack/catcpio.sh
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$(SRCROOT)/hack/catcpio.sh "$(BASE)" $(DELTA_TARGET) > out/initrd.img.uncompressed
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gzip -c out/initrd.img.uncompressed > $@
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rm out/initrd.img.uncompressed
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# This target includes utilities which may be useful for testing purposes.
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out/delta-dev.tar.gz: out/delta.tar.gz bin/internal/tools/snp-report
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rm -rf rootfs-dev
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mkdir rootfs-dev
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tar -xzf out/delta.tar.gz -C rootfs-dev
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cp bin/internal/tools/snp-report rootfs-dev/bin/
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tar -zcf $@ -C rootfs-dev .
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rm -rf rootfs-dev
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out/delta.tar.gz: bin/init bin/vsockexec bin/cmd/gcs bin/cmd/gcstools bin/cmd/hooks/wait-paths Makefile
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@mkdir -p out
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rm -rf rootfs
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mkdir -p rootfs/bin/
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mkdir -p rootfs/info/
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cp bin/init rootfs/
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cp bin/vsockexec rootfs/bin/
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cp bin/cmd/gcs rootfs/bin/
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cp bin/cmd/gcstools rootfs/bin/
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cp bin/cmd/hooks/wait-paths rootfs/bin/
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for tool in $(GCS_TOOLS); do ln -s gcstools rootfs/bin/$$tool; done
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git -C $(SRCROOT) rev-parse HEAD > rootfs/info/gcs.commit && \
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git -C $(SRCROOT) rev-parse --abbrev-ref HEAD > rootfs/info/gcs.branch && \
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date --iso-8601=minute --utc > rootfs/info/tar.date
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$(if $(and $(realpath $(subst .tar,.testdata.json,$(BASE))), $(shell which jq)), \
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jq -r '.IMAGE_NAME' $(subst .tar,.testdata.json,$(BASE)) 2>/dev/null > rootfs/info/image.name && \
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jq -r '.DATETIME' $(subst .tar,.testdata.json,$(BASE)) 2>/dev/null > rootfs/info/build.date)
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tar -zcf $@ -C rootfs .
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rm -rf rootfs
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bin/cmd/gcs bin/cmd/gcstools bin/cmd/hooks/wait-paths bin/cmd/tar2ext4 bin/internal/tools/snp-report:
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@mkdir -p $(dir $@)
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GOOS=linux $(GO_BUILD) -o $@ $(SRCROOT)/$(@:bin/%=%)
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bin/vsockexec: vsockexec/vsockexec.o vsockexec/vsock.o
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@mkdir -p bin
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$(CC) $(LDFLAGS) -o $@ $^
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bin/init: init/init.o vsockexec/vsock.o
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@mkdir -p bin
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$(CC) $(LDFLAGS) -o $@ $^
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%.o: %.c
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@mkdir -p $(dir $@)
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$(CC) $(CFLAGS) $(CPPFLAGS) -c -o $@ $<
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