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1 PREFIX?=/usr/local
2 PKG_CONFIG?=pkg-config
3 INSTALL=install
4 PYTEST=pytest-3
5 CFLAGS+=-std=gnu89 -O2 -g -MMD -Wall -fPIC                              \
6         -Wno-pointer-sign                                       \
7         -fno-strict-aliasing                                    \
8         -fno-delete-null-pointer-checks                         \
9         -I. -Iinclude -Iraid                                    \
10         -D_FILE_OFFSET_BITS=64                                  \
11         -D_GNU_SOURCE                                           \
12         -D_LGPL_SOURCE                                          \
13         -DRCU_MEMBARRIER                                        \
14         -DZSTD_STATIC_LINKING_ONLY                              \
15         -DFUSE_USE_VERSION=32                                   \
16         -DNO_BCACHEFS_CHARDEV                                   \
17         -DNO_BCACHEFS_FS                                        \
18         -DNO_BCACHEFS_SYSFS                                     \
19         -DVERSION_STRING='"$(VERSION)"'                         \
20         $(EXTRA_CFLAGS)
21 LDFLAGS+=$(CFLAGS) $(EXTRA_LDFLAGS)
22 CARGO_ARGS=
23 CARGO=cargo $(CARGO_ARGS)
24 CARGO_PROFILE=release
25 # CARGO_PROFILE=debug
26
27 CARGO_BUILD_ARGS=--$(CARGO_PROFILE)
28 CARGO_BUILD=$(CARGO) build $(CARGO_BUILD_ARGS)
29 VERSION?=$(shell git describe --dirty=+ 2>/dev/null || echo v0.1-nogit)
30
31 include Makefile.compiler
32
33 CFLAGS+=$(call cc-disable-warning, unused-but-set-variable)
34 CFLAGS+=$(call cc-disable-warning, stringop-overflow)
35 CFLAGS+=$(call cc-disable-warning, zero-length-bounds)
36 CFLAGS+=$(call cc-disable-warning, missing-braces)
37 CFLAGS+=$(call cc-disable-warning, zero-length-array)
38 CFLAGS+=$(call cc-disable-warning, shift-overflow)
39 CFLAGS+=$(call cc-disable-warning, enum-conversion)
40
41 PKGCONFIG_LIBS="blkid uuid liburcu libsodium zlib liblz4 libzstd libudev"
42 ifdef BCACHEFS_FUSE
43         PKGCONFIG_LIBS+="fuse3 >= 3.7"
44         CFLAGS+=-DBCACHEFS_FUSE
45 endif
46
47 PKGCONFIG_CFLAGS:=$(shell $(PKG_CONFIG) --cflags $(PKGCONFIG_LIBS))
48 ifeq (,$(PKGCONFIG_CFLAGS))
49     $(error pkg-config error, command: $(PKG_CONFIG) --cflags $(PKGCONFIG_LIBS))
50 endif
51 PKGCONFIG_LDLIBS:=$(shell $(PKG_CONFIG) --libs   $(PKGCONFIG_LIBS))
52 ifeq (,$(PKGCONFIG_LDLIBS))
53     $(error pkg-config error, command: $(PKG_CONFIG) --libs $(PKGCONFIG_LIBS))
54 endif
55
56 CFLAGS+=$(PKGCONFIG_CFLAGS)
57 LDLIBS+=$(PKGCONFIG_LDLIBS)
58 LDLIBS+=-lm -lpthread -lrt -lscrypt -lkeyutils -laio -ldl
59 LDLIBS+=$(EXTRA_LDLIBS)
60
61 ifeq ($(PREFIX),/usr)
62         ROOT_SBINDIR=/sbin
63         INITRAMFS_DIR=$(PREFIX)/share/initramfs-tools
64 else
65         ROOT_SBINDIR=$(PREFIX)/sbin
66         INITRAMFS_DIR=/etc/initramfs-tools
67 endif
68
69 STATUS:=$(shell rst2man -V 2>/dev/null; echo $$?)
70 ifeq ($(STATUS),0)
71         RST2MAN=rst2man
72 endif
73
74 STATUS:=$(shell rst2man.py -V 2>/dev/null; echo $$?)
75 ifeq ($(STATUS),0)
76         RST2MAN=rst2man.py
77 endif
78
79 .PHONY: all
80 all: bcachefs bcachefs.5 lib
81
82 .PHONY: lib
83 lib: libbcachefs.so
84
85 .PHONY: tests
86 tests: tests/test_helper
87
88 .PHONY: check
89 check: tests bcachefs
90         $(PYTEST)
91
92 .PHONY: TAGS tags
93 TAGS:
94         ctags -e -R .
95
96 tags:
97         ctags -R .
98
99 DOCSRC := opts_macro.h bcachefs.5.rst.tmpl
100 DOCGENERATED := bcachefs.5 doc/bcachefs.5.rst
101 DOCDEPS := $(addprefix ./doc/,$(DOCSRC))
102 bcachefs.5: $(DOCDEPS)  libbcachefs/opts.h
103 ifneq (,$(RST2MAN))
104         $(CC) doc/opts_macro.h -I libbcachefs -I include -E 2>/dev/null \
105                 | doc/macro2rst.py
106         $(RST2MAN) doc/bcachefs.5.rst bcachefs.5
107 else
108         @echo "WARNING: no rst2man found! Man page not generated."
109 endif
110
111 SRCS=$(shell find . -type f -iname '*.c')
112 DEPS=$(SRCS:.c=.d)
113 -include $(DEPS)
114
115 OBJS=$(SRCS:.c=.o)
116 bcachefs: $(filter-out ./tests/%.o, $(OBJS))
117
118 RUST_SRCS=$(shell find rust-src/ -type f -iname '*.rs')
119 MOUNT_SRCS=$(filter %mount, $(RUST_SRCS))
120
121 debug: CFLAGS+=-Werror -DCONFIG_BCACHEFS_DEBUG=y -DCONFIG_VALGRIND=y
122 debug: bcachefs
123
124 MOUNT_OBJ=$(filter-out ./bcachefs.o ./tests/%.o ./cmd_%.o , $(OBJS))
125 libbcachefs.so: LDFLAGS+=-shared
126 libbcachefs.so: $(MOUNT_OBJ)
127         $(CC) $(LDFLAGS) $+ -o $@ $(LDLIBS)
128
129 MOUNT_TOML=rust-src/mount/Cargo.toml
130 mount.bcachefs: lib $(MOUNT_SRCS)
131         LIBBCACHEFS_LIB=$(CURDIR) \
132         LIBBCACHEFS_INCLUDE=$(CURDIR) \
133         $(CARGO_BUILD) --manifest-path $(MOUNT_TOML)
134
135         ln -f rust-src/mount/target/$(CARGO_PROFILE)/bcachefs-mount $@
136
137
138 tests/test_helper: $(filter ./tests/%.o, $(OBJS))
139
140 # If the version string differs from the last build, update the last version
141 ifneq ($(VERSION),$(shell cat .version 2>/dev/null))
142 .PHONY: .version
143 endif
144 .version:
145         echo '$(VERSION)' > $@
146
147 # Rebuild the 'version' command any time the version string changes
148 cmd_version.o : .version
149
150 .PHONY: install
151 install: INITRAMFS_HOOK=$(INITRAMFS_DIR)/hooks/bcachefs
152 install: INITRAMFS_SCRIPT=$(INITRAMFS_DIR)/scripts/local-premount/bcachefs
153 install: bcachefs lib
154         $(INSTALL) -m0755 -D bcachefs      -t $(DESTDIR)$(ROOT_SBINDIR)
155         $(INSTALL) -m0755    fsck.bcachefs    $(DESTDIR)$(ROOT_SBINDIR)
156         $(INSTALL) -m0755    mkfs.bcachefs    $(DESTDIR)$(ROOT_SBINDIR)
157         $(INSTALL) -m0644 -D bcachefs.8    -t $(DESTDIR)$(PREFIX)/share/man/man8/
158         $(INSTALL) -m0755 -D initramfs/script $(DESTDIR)$(INITRAMFS_SCRIPT)
159         $(INSTALL) -m0755 -D initramfs/hook   $(DESTDIR)$(INITRAMFS_HOOK)
160         $(INSTALL) -m0755 -D mount.bcachefs.sh $(DESTDIR)$(ROOT_SBINDIR)
161         $(INSTALL) -m0755 -D libbcachefs.so -t $(PREFIX)/lib/
162   
163         sed -i '/^# Note: make install replaces/,$$d' $(DESTDIR)$(INITRAMFS_HOOK)
164         echo "copy_exec $(ROOT_SBINDIR)/bcachefs /sbin/bcachefs" >> $(DESTDIR)$(INITRAMFS_HOOK)
165
166 .PHONY: clean
167 clean:
168         $(RM) bcachefs mount.bcachefs libbcachefs_mount.a tests/test_helper .version $(OBJS) $(DEPS) $(DOCGENERATED)
169         $(RM) -rf rust-src/*/target
170
171 .PHONY: deb
172 deb: all
173         debuild -us -uc -nc -b -i -I
174
175 .PHONY: update-bcachefs-sources
176 update-bcachefs-sources:
177         git rm -rf --ignore-unmatch libbcachefs
178         test -d libbcachefs || mkdir libbcachefs
179         cp $(LINUX_DIR)/fs/bcachefs/*.[ch] libbcachefs/
180         git add libbcachefs/*.[ch]
181         cp $(LINUX_DIR)/include/trace/events/bcachefs.h include/trace/events/
182         git add include/trace/events/bcachefs.h
183         cp $(LINUX_DIR)/include/linux/xxhash.h include/linux/
184         git add include/linux/xxhash.h
185         cp $(LINUX_DIR)/lib/xxhash.c linux/
186         git add linux/xxhash.c
187         cp $(LINUX_DIR)/kernel/locking/six.c linux/
188         git add linux/six.c
189         cp $(LINUX_DIR)/include/linux/six.h include/linux/
190         git add include/linux/six.h
191         cp $(LINUX_DIR)/include/linux/list_nulls.h include/linux/
192         git add include/linux/list_nulls.h
193         cp $(LINUX_DIR)/include/linux/poison.h include/linux/
194         git add include/linux/poison.h
195         cp $(LINUX_DIR)/scripts/Makefile.compiler ./
196         git add Makefile.compiler
197         $(RM) libbcachefs/*.mod.c
198         git -C $(LINUX_DIR) rev-parse HEAD | tee .bcachefs_revision
199         git add .bcachefs_revision
200
201 .PHONY: update-commit-bcachefs-sources
202 update-commit-bcachefs-sources: update-bcachefs-sources
203         git commit -m "Update bcachefs sources to $(shell git -C $(LINUX_DIR) show --oneline --no-patch)"