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1
2 PREFIX=/usr
3 INSTALL=install
4 CFLAGS+=-std=gnu99 -O2 -g -MMD -Wall                            \
5         -Wno-unused-but-set-variable                            \
6         -Wno-pointer-sign                                       \
7         -fno-strict-aliasing                                    \
8         -I. -Iinclude -Ilibbcache                               \
9         -D_FILE_OFFSET_BITS=64                                  \
10         -D_GNU_SOURCE                                           \
11         -D_LGPL_SOURCE                                          \
12         -DRCU_MEMBARRIER                                        \
13         -DNO_BCACHE_ACCOUNTING                                  \
14         -DNO_BCACHE_BLOCKDEV                                    \
15         -DNO_BCACHE_CHARDEV                                     \
16         -DNO_BCACHE_FS                                          \
17         -DNO_BCACHE_NOTIFY                                      \
18         -DNO_BCACHE_WRITEBACK                                   \
19         $(EXTRA_CFLAGS)
20 LDFLAGS+=-O2 -g
21
22 ifdef D
23         CFLAGS+=-Werror
24 else
25         CFLAGS+=-flto
26         LDFLAGS+=-flto
27 endif
28
29 PKGCONFIG_LIBS="blkid uuid liburcu libsodium zlib"
30 CFLAGS+=`pkg-config --cflags    ${PKGCONFIG_LIBS}`
31 LDLIBS+=`pkg-config --libs      ${PKGCONFIG_LIBS}`              \
32         -lm -lpthread -lrt -lscrypt -lkeyutils
33
34 ifeq ($(PREFIX),/usr)
35         ROOT_SBINDIR=/sbin
36 else
37         ROOT_SBINDIR=$(PREFIX)/sbin
38 endif
39
40 .PHONY: all
41 all: bcache
42
43 CCANSRCS=$(wildcard ccan/*/*.c)
44 CCANOBJS=$(patsubst %.c,%.o,$(CCANSRCS))
45
46 # Linux kernel shim:
47 LINUX_SRCS=$(wildcard linux/*.c linux/*/*.c)
48 LINUX_OBJS=$(LINUX_SRCS:.c=.o)
49
50 OBJS=bcache.o                   \
51      bcache-userspace-shim.o    \
52      cmd_assemble.o             \
53      cmd_debug.o                \
54      cmd_device.o               \
55      cmd_fs.o                   \
56      cmd_fsck.o                 \
57      cmd_format.o               \
58      cmd_key.o                  \
59      cmd_migrate.o              \
60      cmd_run.o                  \
61      crypto.o                   \
62      libbcache.o                \
63      qcow2.o                    \
64      tools-util.o               \
65      $(LINUX_OBJS)              \
66      $(CCANOBJS)
67
68 DEPS=$(OBJS:.o=.d)
69 -include $(DEPS)
70
71 bcache: $(OBJS)
72
73 .PHONY: install
74 install: bcache
75         mkdir -p $(DESTDIR)$(ROOT_SBINDIR)
76         mkdir -p $(DESTDIR)$(PREFIX)/share/man/man8/
77         $(INSTALL) -m0755 bcache        $(DESTDIR)$(ROOT_SBINDIR)
78         $(INSTALL) -m0755 mkfs.bcache   $(DESTDIR)$(ROOT_SBINDIR)
79         $(INSTALL) -m0644 bcache.8      $(DESTDIR)$(PREFIX)/share/man/man8/
80
81 .PHONY: clean
82 clean:
83         $(RM) bcache $(OBJS) $(DEPS)
84
85 .PHONY: deb
86 deb: all
87         debuild --unsigned-source       \
88                 --unsigned-changes      \
89                 --no-pre-clean          \
90                 --build=binary          \
91                 --diff-ignore           \
92                 --tar-ignore
93
94 .PHONE: update-bcache-sources
95 update-bcache-sources:
96         echo BCACHE_REVISION=`cd $(LINUX_DIR); git rev-parse HEAD` > .bcache_revision
97         cp $(LINUX_DIR)/drivers/md/bcache/*.[ch] libbcache/
98         cp $(LINUX_DIR)/include/trace/events/bcache.h include/trace/events/
99         cp $(LINUX_DIR)/include/uapi/linux/bcache.h include/linux/
100         cp $(LINUX_DIR)/include/uapi/linux/bcache-ioctl.h include/linux/