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1 VERSION=1.4.0
2
3 PREFIX?=/usr/local
4 PKG_CONFIG?=pkg-config
5 INSTALL=install
6 LN=ln
7 .DEFAULT_GOAL=all
8
9 ifeq ("$(origin V)", "command line")
10   BUILD_VERBOSE = $(V)
11 endif
12 ifndef BUILD_VERBOSE
13   BUILD_VERBOSE = 0
14 endif
15
16 ifeq ($(BUILD_VERBOSE),1)
17   Q =
18   CARGO_CLEAN_ARGS = --verbose
19 else
20   Q = @
21   CARGO_CLEAN_ARGS = --quiet
22 endif
23
24 # Prevent recursive expansions of $(CFLAGS) to avoid repeatedly performing
25 # compile tests
26 CFLAGS:=$(CFLAGS)
27
28 CFLAGS+=-std=gnu11 -O2 -g -MMD -Wall -fPIC                      \
29         -Wno-pointer-sign                                       \
30         -Wno-deprecated-declarations                            \
31         -fno-strict-aliasing                                    \
32         -fno-delete-null-pointer-checks                         \
33         -I. -Iinclude -Iraid                                    \
34         -D_FILE_OFFSET_BITS=64                                  \
35         -D_GNU_SOURCE                                           \
36         -D_LGPL_SOURCE                                          \
37         -DRCU_MEMBARRIER                                        \
38         -DZSTD_STATIC_LINKING_ONLY                              \
39         -DFUSE_USE_VERSION=35                                   \
40         -DNO_BCACHEFS_CHARDEV                                   \
41         -DNO_BCACHEFS_FS                                        \
42         -DNO_BCACHEFS_SYSFS                                     \
43         -DVERSION_STRING='"$(VERSION)"'                         \
44         $(EXTRA_CFLAGS)
45
46 # Intenionally not doing the above to $(LDFLAGS) because we rely on
47 # recursive expansion here (CFLAGS is not yet completely built by this line)
48 LDFLAGS+=$(CFLAGS) $(EXTRA_LDFLAGS)
49
50 ifdef CARGO_TOOLCHAIN_VERSION
51   CARGO_TOOLCHAIN = +$(CARGO_TOOLCHAIN_VERSION)
52 endif
53
54 CARGO_ARGS=${CARGO_TOOLCHAIN}
55 CARGO=cargo $(CARGO_ARGS)
56 CARGO_PROFILE=release
57 # CARGO_PROFILE=debug
58 CARGO_MANIFEST=--manifest-path rust-src/Cargo.toml
59
60 CARGO_BUILD_ARGS=--$(CARGO_PROFILE)
61 CARGO_BUILD=$(CARGO) build $(CARGO_BUILD_ARGS) $(CARGO_MANIFEST)
62
63 CARGO_CLEAN=$(CARGO) clean $(CARGO_CLEAN_ARGS) $(CARGO_MANIFEST)
64
65 include Makefile.compiler
66
67 CFLAGS+=$(call cc-disable-warning, unused-but-set-variable)
68 CFLAGS+=$(call cc-disable-warning, stringop-overflow)
69 CFLAGS+=$(call cc-disable-warning, zero-length-bounds)
70 CFLAGS+=$(call cc-disable-warning, missing-braces)
71 CFLAGS+=$(call cc-disable-warning, zero-length-array)
72 CFLAGS+=$(call cc-disable-warning, shift-overflow)
73 CFLAGS+=$(call cc-disable-warning, enum-conversion)
74 CFLAGS+=$(call cc-disable-warning, gnu-variable-sized-type-not-at-end)
75
76 PKGCONFIG_LIBS="blkid uuid liburcu libsodium zlib liblz4 libzstd libudev libkeyutils udev"
77 ifdef BCACHEFS_FUSE
78         PKGCONFIG_LIBS+="fuse3 >= 3.7"
79         CFLAGS+=-DBCACHEFS_FUSE
80         export RUSTFLAGS=--cfg fuse
81 endif
82
83 PKGCONFIG_CFLAGS:=$(shell $(PKG_CONFIG) --cflags $(PKGCONFIG_LIBS))
84 ifeq (,$(PKGCONFIG_CFLAGS))
85     $(error pkg-config error, command: $(PKG_CONFIG) --cflags $(PKGCONFIG_LIBS))
86 endif
87 PKGCONFIG_LDLIBS:=$(shell $(PKG_CONFIG) --libs   $(PKGCONFIG_LIBS))
88 ifeq (,$(PKGCONFIG_LDLIBS))
89     $(error pkg-config error, command: $(PKG_CONFIG) --libs $(PKGCONFIG_LIBS))
90 endif
91 PKGCONFIG_UDEVDIR:=$(shell $(PKG_CONFIG) --variable=udevdir udev)
92 ifeq (,$(PKGCONFIG_UDEVDIR))
93     $(error pkg-config error, command: $(PKG_CONFIG) --variable=udevdir udev)
94 endif
95 PKGCONFIG_UDEVRULESDIR:=$(PKGCONFIG_UDEVDIR)/rules.d
96
97 CFLAGS+=$(PKGCONFIG_CFLAGS)
98 LDLIBS+=$(PKGCONFIG_LDLIBS)
99 LDLIBS+=-lm -lpthread -lrt -lkeyutils -laio -ldl
100 LDLIBS+=$(EXTRA_LDLIBS)
101
102 ifeq ($(PREFIX),/usr)
103         ROOT_SBINDIR?=/sbin
104         INITRAMFS_DIR=$(PREFIX)/share/initramfs-tools
105 else
106         ROOT_SBINDIR?=$(PREFIX)/sbin
107         INITRAMFS_DIR=/etc/initramfs-tools
108 endif
109 LIBEXECDIR=$(PREFIX)/libexec
110
111 PKGCONFIG_SERVICEDIR:=$(shell $(PKG_CONFIG) --variable=systemdsystemunitdir systemd)
112 ifeq (,$(PKGCONFIG_SERVICEDIR))
113   $(warning skipping systemd integration)
114 else
115 BCACHEFSCK_ARGS=-f -n
116 systemd_libexecfiles=\
117         fsck/bcachefsck_fail \
118         fsck/bcachefsck_all
119
120 systemd_services=\
121         fsck/bcachefsck_fail@.service \
122         fsck/bcachefsck@.service \
123         fsck/system-bcachefsck.slice \
124         fsck/bcachefsck_all_fail.service \
125         fsck/bcachefsck_all.service \
126         fsck/bcachefsck_all.timer
127
128 built_scripts+=\
129         fsck/bcachefsck_fail@.service \
130         fsck/bcachefsck@.service \
131         fsck/bcachefsck_all_fail.service \
132         fsck/bcachefsck_all \
133         fsck/bcachefsck_all.service
134
135 %.service: %.service.in
136         @echo "    [SED]    $@"
137         $(Q)sed -e "s|@libexecdir@|$(LIBEXECDIR)|g" \
138                 -e "s|@bcachefsck_args@|$(BCACHEFSCK_ARGS)|g" < $< > $@
139
140 fsck/bcachefsck_all: fsck/bcachefsck_all.in
141         @echo "    [SED]    $@"
142         $(Q)sed -e "s|@bcachefsck_args@|$(BCACHEFSCK_ARGS)|g" < $< > $@
143
144 optional_build+=$(systemd_libexecfiles) $(systemd_services)
145 optional_install+=install_systemd
146 endif   # PKGCONFIG_SERVICEDIR
147
148 .PHONY: all
149 all: bcachefs $(optional_build)
150
151 .PHONY: debug
152 debug: CFLAGS+=-Werror -DCONFIG_BCACHEFS_DEBUG=y -DCONFIG_VALGRIND=y
153 debug: bcachefs
154
155 .PHONY: tests
156 tests: tests/test_helper
157
158 .PHONY: TAGS tags
159 TAGS:
160         ctags -e -R .
161
162 tags:
163         ctags -R .
164
165 SRCS:=$(sort $(shell find . -type f ! -path '*/.*/*' -iname '*.c'))
166 DEPS:=$(SRCS:.c=.d)
167 -include $(DEPS)
168
169 OBJS:=$(SRCS:.c=.o)
170
171 %.o: %.c
172         @echo "    [CC]     $@"
173         $(Q)$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $<
174
175 BCACHEFS_DEPS=libbcachefs.a
176 RUST_SRCS:=$(shell find rust-src/src rust-src/bch_bindgen/src -type f -iname '*.rs')
177
178 bcachefs: $(BCACHEFS_DEPS) $(RUST_SRCS)
179         $(CARGO_BUILD)
180
181 libbcachefs.a: $(filter-out ./tests/%.o, $(OBJS))
182         @echo "    [AR]     $@"
183         $(Q)ar -rc $@ $+
184
185 tests/test_helper: $(filter ./tests/%.o, $(OBJS))
186         @echo "    [LD]     $@"
187         $(Q)$(CC) $(LDFLAGS) $+ $(LOADLIBES) $(LDLIBS) -o $@
188
189 # If the version string differs from the last build, update the last version
190 ifneq ($(VERSION),$(shell cat .version 2>/dev/null))
191 .PHONY: .version
192 endif
193 .version:
194         @echo "  [VERS]    $@"
195         $(Q)echo '$(VERSION)' > $@
196
197 # Rebuild the 'version' command any time the version string changes
198 cmd_version.o : .version
199
200 .PHONY: install
201 install: INITRAMFS_HOOK=$(INITRAMFS_DIR)/hooks/bcachefs
202 install: INITRAMFS_SCRIPT=$(INITRAMFS_DIR)/scripts/local-premount/bcachefs
203 install: bcachefs $(optional_install)
204         $(INSTALL) -m0755 -D rust-src/target/release/bcachefs -t $(DESTDIR)$(ROOT_SBINDIR)
205         $(INSTALL) -m0644 -D bcachefs.8    -t $(DESTDIR)$(PREFIX)/share/man/man8/
206         $(INSTALL) -m0755 -D initramfs/script $(DESTDIR)$(INITRAMFS_SCRIPT)
207         $(INSTALL) -m0755 -D initramfs/hook   $(DESTDIR)$(INITRAMFS_HOOK)
208         $(INSTALL) -m0644 -D udev/64-bcachefs.rules -t $(DESTDIR)$(PKGCONFIG_UDEVRULESDIR)/
209         $(LN) -sfr $(DESTDIR)$(ROOT_SBINDIR)/bcachefs $(DESTDIR)$(ROOT_SBINDIR)/mkfs.bcachefs
210         $(LN) -sfr $(DESTDIR)$(ROOT_SBINDIR)/bcachefs $(DESTDIR)$(ROOT_SBINDIR)/fsck.bcachefs
211         $(LN) -sfr $(DESTDIR)$(ROOT_SBINDIR)/bcachefs $(DESTDIR)$(ROOT_SBINDIR)/mount.bcachefs
212         $(LN) -sfr $(DESTDIR)$(ROOT_SBINDIR)/bcachefs $(DESTDIR)$(ROOT_SBINDIR)/mkfs.fuse.bcachefs
213         $(LN) -sfr $(DESTDIR)$(ROOT_SBINDIR)/bcachefs $(DESTDIR)$(ROOT_SBINDIR)/fsck.fuse.bcachefs
214         $(LN) -sfr $(DESTDIR)$(ROOT_SBINDIR)/bcachefs $(DESTDIR)$(ROOT_SBINDIR)/mount.fuse.bcachefs
215
216         sed -i '/^# Note: make install replaces/,$$d' $(DESTDIR)$(INITRAMFS_HOOK)
217         echo "copy_exec $(ROOT_SBINDIR)/bcachefs /sbin/bcachefs" >> $(DESTDIR)$(INITRAMFS_HOOK)
218
219 .PHONY: install_systemd
220 install_systemd: $(systemd_services) $(systemd_libexecfiles)
221         $(INSTALL) -m0755 -D $(systemd_libexecfiles) -t $(DESTDIR)$(LIBEXECDIR)
222         $(INSTALL) -m0644 -D $(systemd_services) -t $(DESTDIR)$(PKGCONFIG_SERVICEDIR)
223
224 .PHONY: clean
225 clean:
226         @echo "Cleaning all"
227         $(Q)$(RM) libbcachefs.a tests/test_helper .version *.tar.xz $(OBJS) $(DEPS) $(DOCGENERATED)
228         $(Q)$(CARGO_CLEAN)
229         $(Q)$(RM) -f $(built_scripts)
230
231 .PHONY: deb
232 deb: all
233         debuild -us -uc -nc -b -i -I
234
235 .PHONY: rpm
236 rpm: clean
237         rpmbuild --build-in-place -bb --define "_version $(subst -,_,$(VERSION))" packaging/bcachefs-tools.spec
238
239 bcachefs-principles-of-operation.pdf: doc/bcachefs-principles-of-operation.tex
240         pdflatex doc/bcachefs-principles-of-operation.tex
241         pdflatex doc/bcachefs-principles-of-operation.tex
242
243 doc: bcachefs-principles-of-operation.pdf
244
245 .PHONY: cargo-update-msrv
246 cargo-update-msrv:
247         cargo +nightly generate-lockfile --manifest-path rust-src/Cargo.toml -Zmsrv-policy
248         cargo +nightly generate-lockfile --manifest-path rust-src/bch_bindgen/Cargo.toml -Zmsrv-policy
249
250 .PHONY: update-bcachefs-sources
251 update-bcachefs-sources:
252         git rm -rf --ignore-unmatch libbcachefs
253         test -d libbcachefs || mkdir libbcachefs
254         cp $(LINUX_DIR)/fs/bcachefs/*.[ch] libbcachefs/
255         git add libbcachefs/*.[ch]
256         cp $(LINUX_DIR)/include/linux/closure.h include/linux/
257         git add include/linux/closure.h
258         cp $(LINUX_DIR)/lib/closure.c linux/
259         git add linux/closure.c
260         cp $(LINUX_DIR)/include/linux/xxhash.h include/linux/
261         git add include/linux/xxhash.h
262         cp $(LINUX_DIR)/lib/xxhash.c linux/
263         git add linux/xxhash.c
264         cp $(LINUX_DIR)/include/linux/list_nulls.h include/linux/
265         git add include/linux/list_nulls.h
266         cp $(LINUX_DIR)/include/linux/poison.h include/linux/
267         git add include/linux/poison.h
268         cp $(LINUX_DIR)/include/linux/generic-radix-tree.h include/linux/
269         git add include/linux/generic-radix-tree.h
270         cp $(LINUX_DIR)/lib/generic-radix-tree.c linux/
271         git add linux/generic-radix-tree.c
272         cp $(LINUX_DIR)/include/linux/kmemleak.h include/linux/
273         git add include/linux/kmemleak.h
274         cp $(LINUX_DIR)/lib/math/int_sqrt.c linux/
275         git add linux/int_sqrt.c
276         git rm -f libbcachefs/mean_and_variance_test.c
277 #       cp $(LINUX_DIR)/lib/math/mean_and_variance.c linux/
278 #       git add linux/mean_and_variance.c
279 #       cp $(LINUX_DIR)/include/linux/mean_and_variance.h include/linux/
280 #       git add include/linux/mean_and_variance.h
281         cp $(LINUX_DIR)/scripts/Makefile.compiler ./
282         git add Makefile.compiler
283         $(RM) libbcachefs/*.mod.c
284         git -C $(LINUX_DIR) rev-parse HEAD | tee .bcachefs_revision
285         git add .bcachefs_revision
286
287
288 .PHONY: update-commit-bcachefs-sources
289 update-commit-bcachefs-sources: update-bcachefs-sources
290         git commit -m "Update bcachefs sources to $(shell git -C $(LINUX_DIR) show --oneline --no-patch)"
291
292 SRCTARXZ = bcachefs-tools-$(VERSION).tar.xz
293 SRCDIR=bcachefs-tools-$(VERSION)
294
295 .PHONY: tarball
296 tarball: $(SRCTARXZ)
297
298 $(SRCTARXZ) : .gitcensus
299         $(Q)tar --transform "s,^,$(SRCDIR)/," -Jcf $(SRCDIR).tar.xz  \
300             `cat .gitcensus` 
301         @echo Wrote: $@
302
303 .PHONY: .gitcensus
304 .gitcensus:
305         $(Q)if test -d .git; then \
306           git ls-files > .gitcensus; \
307         fi