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131 lines
4.0 KiB
Makefile
131 lines
4.0 KiB
Makefile
include Makefile.bootfiles
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# C settings
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# enable loading kernel modules in init
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KMOD:=0
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CFLAGS:=-O2 -Wall
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LDFLAGS:=-static -s #strip C binaries
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LDLIBS:=
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PREPROCESSORFLAGS:=
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ifeq "$(KMOD)" "1"
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LDFLAGS:=-s
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LDLIBS:=-lkmod
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PREPROCESSORFLAGS:=-DMODULES=1
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endif
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# Go settings
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# if Go is from the Microsoft Go fork
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MSGO:=0
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# explicitly use vendored modules when building
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GOMODVENDOR:=
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# Go tags to enable
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GO_BUILD_TAGS:=
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# additional Go build flags
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GO_FLAGS_EXTRA:=
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# use CGO
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CGO_ENABLED:=0
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GO:=go
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GO_FLAGS:=-ldflags "-s -w" # strip Go binaries
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ifeq "$(GOMODVENDOR)" "1"
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GO_FLAGS+=-mod=vendor
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endif
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ifneq ($(strip $(GO_BUILD_TAGS)),)
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GO_FLAGS+=-tags="$(GO_BUILD_TAGS)"
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endif
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GO_BUILD_ENV:=CGO_ENABLED=$(CGO_ENABLED)
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# starting with ms-go1.25, systemcrypto (for FIPS compliance) is enabled by default, which
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# requires CGo.
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# disable it for non-CGo builds.
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#
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# https://github.com/microsoft/go/blob/microsoft/main/eng/doc/MigrationGuide.md#cgo-is-not-enabled
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# https://github.com/microsoft/go/blob/microsoft/main/eng/doc/MigrationGuide.md#disabling-systemcrypto
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ifeq "$(MSGO)" "1"
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ifneq "$(CGO_ENABLED)" "1"
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# MS_GO_NOSYSTEMCRYPTO only works for >=ms-go1.25.2
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GO_BUILD_ENV+=MS_GO_NOSYSTEMCRYPTO=1 GOEXPERIMENT=nosystemcrypto
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endif
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endif
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GO_BUILD:= $(GO_BUILD_ENV) $(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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# 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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test:
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cd $(SRCROOT) && $(GO) test -v ./internal/guest/...
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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-snp.tar.gz: out/delta.tar.gz bin/internal/tools/snp-report boot/startup_v2056.sh boot/startup_simple.sh boot/startup.sh
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rm -rf rootfs-snp
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mkdir rootfs-snp
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tar -xzf out/delta.tar.gz -C rootfs-snp
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cp boot/startup_v2056.sh rootfs-snp/startup_v2056.sh
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cp boot/startup_simple.sh rootfs-snp/startup_simple.sh
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cp boot/startup.sh rootfs-snp/startup.sh
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cp bin/internal/tools/snp-report rootfs-snp/bin/
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chmod a+x rootfs-snp/startup_v2056.sh
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chmod a+x rootfs-snp/startup_simple.sh
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chmod a+x rootfs-snp/startup.sh
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tar -zcf $@ -C rootfs-snp .
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rm -rf rootfs-snp
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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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# Use force target to always call `go build` per make invocation and rely on Go's build cache
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# to decide if binaries should be (re)built.
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# Note: don't use `.PHONY` since the targets are actual files.
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#
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# www.gnu.org/software/make/manual/html_node/Force-Targets.html
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bin/cmd/gcs bin/cmd/gcstools bin/cmd/hooks/wait-paths bin/cmd/tar2ext4 bin/internal/tools/snp-report: FORCE
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@mkdir -p $(dir $@)
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GOOS=linux $(GO_BUILD) -o $@ $(SRCROOT)/$(@:bin/%=%)
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FORCE:
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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 $@ $^ $(LDLIBS)
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%.o: %.c
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@mkdir -p $(dir $@)
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$(CC) $(PREPROCESSORFLAGS) $(CFLAGS) $(CPPFLAGS) -c -o $@ $<
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