blob: a8f5516cd0b1bef12edca89cf1b30119424f9288 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
BASE:=base.tar.gz
GO:=go
GO_FLAGS:=-ldflags "-s -w" # strip Go binaries
CGO_ENABLED:=0
GOMODVENDOR:=
CFLAGS:=-O2 -Wall
LDFLAGS:=-static -s # strip C binaries
GO_FLAGS_EXTRA:=
ifeq "$(GOMODVENDOR)" "1"
GO_FLAGS_EXTRA += -mod=vendor
endif
GO_BUILD:=CGO_ENABLED=$(CGO_ENABLED) $(GO) build $(GO_FLAGS) $(GO_FLAGS_EXTRA)
SRCROOT=$(dir $(abspath $(firstword $(MAKEFILE_LIST))))
# The link aliases for gcstools
GCS_TOOLS=\
generichook
.PHONY: all always rootfs test
all: out/initrd.img out/rootfs.tar.gz
clean:
find -name '*.o' -print0 | xargs -0 -r rm
rm -rf bin deps rootfs out
test:
cd $(SRCROOT) && go test -v ./internal/guest/...
out/delta.tar.gz: bin/init bin/vsockexec bin/cmd/gcs bin/cmd/gcstools Makefile
@mkdir -p out
rm -rf rootfs
mkdir -p rootfs/bin/
cp bin/init rootfs/
cp bin/vsockexec rootfs/bin/
cp bin/cmd/gcs rootfs/bin/
cp bin/cmd/gcstools rootfs/bin/
for tool in $(GCS_TOOLS); do ln -s gcstools rootfs/bin/$$tool; done
git -C $(SRCROOT) rev-parse HEAD > rootfs/gcs.commit && \
git -C $(SRCROOT) rev-parse --abbrev-ref HEAD > rootfs/gcs.branch
tar -zcf $@ -C rootfs .
rm -rf rootfs
out/rootfs.tar.gz: out/initrd.img
rm -rf rootfs-conv
mkdir rootfs-conv
gunzip -c out/initrd.img | (cd rootfs-conv && cpio -imd)
tar -zcf $@ -C rootfs-conv .
rm -rf rootfs-conv
out/initrd.img: $(BASE) out/delta.tar.gz $(SRCROOT)/hack/catcpio.sh
$(SRCROOT)/hack/catcpio.sh "$(BASE)" out/delta.tar.gz > out/initrd.img.uncompressed
gzip -c out/initrd.img.uncompressed > $@
rm out/initrd.img.uncompressed
-include deps/cmd/gcs.gomake
-include deps/cmd/gcstools.gomake
# Implicit rule for includes that define Go targets.
%.gomake: $(SRCROOT)/Makefile
@mkdir -p $(dir $@)
@/bin/echo $(@:deps/%.gomake=bin/%): $(SRCROOT)/hack/gomakedeps.sh > $@.new
@/bin/echo -e '\t@mkdir -p $$(dir $$@) $(dir $@)' >> $@.new
@/bin/echo -e '\t$$(GO_BUILD) -o $$@.new $$(SRCROOT)/$$(@:bin/%=%)' >> $@.new
@/bin/echo -e '\tGO="$(GO)" $$(SRCROOT)/hack/gomakedeps.sh $$@ $$(SRCROOT)/$$(@:bin/%=%) $$(GO_FLAGS) $$(GO_FLAGS_EXTRA) > $(@:%.gomake=%.godeps).new' >> $@.new
@/bin/echo -e '\tmv $(@:%.gomake=%.godeps).new $(@:%.gomake=%.godeps)' >> $@.new
@/bin/echo -e '\tmv $$@.new $$@' >> $@.new
@/bin/echo -e '-include $(@:%.gomake=%.godeps)' >> $@.new
mv $@.new $@
VPATH=$(SRCROOT)
bin/vsockexec: vsockexec/vsockexec.o vsockexec/vsock.o
@mkdir -p bin
$(CC) $(LDFLAGS) -o $@ $^
bin/init: init/init.o vsockexec/vsock.o
@mkdir -p bin
$(CC) $(LDFLAGS) -o $@ $^
%.o: %.c
@mkdir -p $(dir $@)
$(CC) $(CFLAGS) $(CPPFLAGS) -c -o $@ $<
|
