Makefile

   1 # Export all variables to sub-makes by default
   2 export
   3
   4 CC = gcc
   5 LN = ln
   6 AR = ar
   7 AM_CFLAGS = -Wall -D_FILE_OFFSET_BITS=64 -DBTRFS_FLAT_INCLUDES -fno-strict-aliasing -fPIC
   8 CFLAGS = -g -O1 -fno-strict-aliasing
   9 objects = ctree.o disk-io.o radix-tree.o extent-tree.o print-tree.o \
  10           root-tree.o dir-item.o file-item.o inode-item.o inode-map.o \
  11           extent-cache.o extent_io.o volumes.o utils.o repair.o \
  12           qgroup.o raid6.o free-space-cache.o list_sort.o props.o \
  13           ulist.o qgroup-verify.o
  14 cmds_objects = cmds-subvolume.o cmds-filesystem.o cmds-device.o cmds-scrub.o \
  15                cmds-inspect.o cmds-balance.o cmds-send.o cmds-receive.o \
  16                cmds-quota.o cmds-qgroup.o cmds-replace.o cmds-check.o \
  17                cmds-restore.o cmds-rescue.o chunk-recover.o super-recover.o \
  18                cmds-property.o
  19 libbtrfs_objects = send-stream.o send-utils.o rbtree.o btrfs-list.o crc32c.o \
  20                    uuid-tree.o utils-lib.o
  21 libbtrfs_headers = send-stream.h send-utils.h send.h rbtree.h btrfs-list.h \
  22                crc32c.h list.h kerncompat.h radix-tree.h extent-cache.h \
  23                extent_io.h ioctl.h ctree.h btrfsck.h version.h
  24 TESTS = fsck-tests.sh convert-tests.sh
  25
  26 INSTALL = install
  27 prefix ?= /usr/local
  28 bindir = $(prefix)/bin
  29 lib_LIBS = -luuid -lblkid -lm -lz -llzo2 -L.
  30 libdir ?= $(prefix)/lib
  31 incdir = $(prefix)/include/btrfs
  32 LIBS = $(lib_LIBS) $(libs_static)
  33
  34 ifeq ("$(origin V)", "command line")
  35   BUILD_VERBOSE = $(V)
  36 endif
  37 ifndef BUILD_VERBOSE
  38   BUILD_VERBOSE = 0
  39 endif
  40
  41 ifeq ($(BUILD_VERBOSE),1)
  42   Q =
  43 else
  44   Q = @
  45 endif
  46
  47 MAKEOPTS = --no-print-directory Q=$(Q)
  48
  49 progs = mkfs.btrfs btrfs-debug-tree btrfsck \
  50         btrfs btrfs-map-logical btrfs-image btrfs-zero-log btrfs-convert \
  51         btrfs-find-root btrfstune btrfs-show-super
  52
  53 progs_static = $(foreach p,$(progs),$(p).static)
  54
  55 # external libs required by various binaries; for btrfs-foo,
  56 # specify btrfs_foo_libs = <list of libs>; see $($(subst...)) rules below
  57 btrfs_convert_libs = -lext2fs -lcom_err
  58 btrfs_image_libs = -lpthread
  59 btrfs_fragments_libs = -lgd -lpng -ljpeg -lfreetype
  60
  61 SUBDIRS =
  62 BUILDDIRS = $(patsubst %,build-%,$(SUBDIRS))
  63 INSTALLDIRS = $(patsubst %,install-%,$(SUBDIRS))
  64 CLEANDIRS = $(patsubst %,clean-%,$(SUBDIRS))
  65
  66 ifneq ($(DISABLE_DOCUMENTATION),1)
  67 BUILDDIRS += build-Documentation
  68 INSTALLDIRS += install-Documentation
  69 endif
  70
  71 .PHONY: $(SUBDIRS)
  72 .PHONY: $(BUILDDIRS)
  73 .PHONY: $(INSTALLDIRS)
  74 .PHONY: $(TESTDIRS)
  75 .PHONY: $(CLEANDIRS)
  76 .PHONY: all install clean
  77
  78 # Create all the static targets
  79 static_objects = $(patsubst %.o, %.static.o, $(objects))
  80 static_cmds_objects = $(patsubst %.o, %.static.o, $(cmds_objects))
  81 static_libbtrfs_objects = $(patsubst %.o, %.static.o, $(libbtrfs_objects))
  82
  83 # Define static compilation flags
  84 STATIC_CFLAGS = $(CFLAGS) -ffunction-sections -fdata-sections
  85 STATIC_LDFLAGS = -static -Wl,--gc-sections
  86 STATIC_LIBS = $(lib_LIBS) -lpthread
  87
  88 libs_shared = libbtrfs.so.0.1
  89 libs_static = libbtrfs.a
  90 libs = $(libs_shared) $(libs_static)
  91 lib_links = libbtrfs.so.0 libbtrfs.so
  92 headers = $(libbtrfs_headers)
  93
  94 # make C=1 to enable sparse
  95 check_defs := .cc-defines.h
  96 ifdef C
  97         #
  98         # We're trying to use sparse against glibc headers which go wild
  99         # trying to use internal compiler macros to test features.  We
 100         # copy gcc's and give them to sparse.  But not __SIZE_TYPE__
 101         # 'cause sparse defines that one.
 102         #
 103         dummy := $(shell $(CC) -dM -E -x c - < /dev/null | \
 104                         grep -v __SIZE_TYPE__ > $(check_defs))
 105         check = sparse -include $(check_defs) -D__CHECKER__ \
 106                 -D__CHECK_ENDIAN__ -Wbitwise -Wuninitialized -Wshadow -Wundef
 107         check_echo = echo
 108         # don't use FORTIFY with sparse because glibc with FORTIFY can
 109         # generate so many sparse errors that sparse stops parsing,
 110         # which masks real errors that we want to see.
 111 else
 112         check = true
 113         check_echo = true
 114         AM_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
 115 endif
 116
 117 %.o.d: %.c
 118         $(Q)$(CC) -MM -MG -MF $@ -MT $(@:.o.d=.o) -MT $(@:.o.d=.static.o) -MT $@ $(AM_CFLAGS) $(CFLAGS) $<
 119
 120 .c.o:
 121         @$(check_echo) "    [SP]     $<"
 122         $(Q)$(check) $(AM_CFLAGS) $(CFLAGS) $<
 123         @echo "    [CC]     $@"
 124         $(Q)$(CC) $(AM_CFLAGS) $(CFLAGS) -c $<
 125
 126 %.static.o: %.c
 127         @echo "    [CC]     $@"
 128         $(Q)$(CC) $(AM_CFLAGS) $(STATIC_CFLAGS) -c $< -o $@
 129
 130 all: $(progs) $(BUILDDIRS)
 131 $(SUBDIRS): $(BUILDDIRS)
 132 $(BUILDDIRS):
 133         @echo "Making all in $(patsubst build-%,%,$@)"
 134         $(Q)$(MAKE) $(MAKEOPTS) -C $(patsubst build-%,%,$@)
 135
 136 test:
 137         $(Q)for t in $(TESTS); do \
 138                 echo "     [TEST]    $$t"; \
 139                 bash tests/$$t || exit 1; \
 140         done
 141
 142 #
 143 # NOTE: For static compiles, you need to have all the required libs
 144 #       static equivalent available
 145 #
 146 static: $(progs_static)
 147
 148 version.h:
 149         @echo "    [SH]     $@"
 150         $(Q)bash version.sh
 151
 152 $(libs_shared): $(libbtrfs_objects) $(lib_links) send.h
 153         @echo "    [LD]     $@"
 154         $(Q)$(CC) $(CFLAGS) $(libbtrfs_objects) $(LDFLAGS) $(lib_LIBS) \
 155                 -shared -Wl,-soname,libbtrfs.so.0 -o libbtrfs.so.0.1
 156
 157 $(libs_static): $(libbtrfs_objects)
 158         @echo "    [AR]     $@"
 159         $(Q)$(AR) cru libbtrfs.a $(libbtrfs_objects)
 160
 161 $(lib_links):
 162         @echo "    [LN]     $@"
 163         $(Q)$(LN) -sf libbtrfs.so.0.1 libbtrfs.so.0
 164         $(Q)$(LN) -sf libbtrfs.so.0.1 libbtrfs.so
 165
 166 # keep intermediate files from the below implicit rules around
 167 .PRECIOUS: $(addsuffix .o,$(progs))
 168
 169 # Make any btrfs-foo out of btrfs-foo.o, with appropriate libs.
 170 # The $($(subst...)) bits below takes the btrfs_*_libs definitions above and
 171 # turns them into a list of libraries to link against if they exist
 172 #
 173 # For static variants, use an extra $(subst) to get rid of the ".static"
 174 # from the target name before translating to list of libs
 175
 176 btrfs-%.static: $(static_objects) btrfs-%.static.o $(static_libbtrfs_objects)
 177         @echo "    [LD]     $@"
 178         $(Q)$(CC) $(STATIC_CFLAGS) -o $@ $@.o $(static_objects) \
 179                 $(static_libbtrfs_objects) $(STATIC_LDFLAGS) \
 180                 $($(subst -,_,$(subst .static,,$@)-libs)) $(STATIC_LIBS)
 181
 182 btrfs-%: $(objects) $(libs) btrfs-%.o
 183         @echo "    [LD]     $@"
 184         $(Q)$(CC) $(CFLAGS) -o $@ $(objects) $@.o $(LDFLAGS) $(LIBS) $($(subst -,_,$@-libs))
 185
 186 btrfs: $(objects) btrfs.o help.o $(cmds_objects) $(libs)
 187         @echo "    [LD]     $@"
 188         $(Q)$(CC) $(CFLAGS) -o btrfs btrfs.o help.o $(cmds_objects) \
 189                 $(objects) $(LDFLAGS) $(LIBS) -lpthread
 190
 191 btrfs.static: $(static_objects) btrfs.static.o help.static.o $(static_cmds_objects) $(static_libbtrfs_objects)
 192         @echo "    [LD]     $@"
 193         $(Q)$(CC) $(STATIC_CFLAGS) -o btrfs.static btrfs.static.o help.static.o $(static_cmds_objects) \
 194                 $(static_objects) $(static_libbtrfs_objects) $(STATIC_LDFLAGS) $(STATIC_LIBS)
 195
 196 # For backward compatibility, 'btrfs' changes behaviour to fsck if it's named 'btrfsck'
 197 btrfsck: btrfs
 198         @echo "    [LN]     $@"
 199         $(Q)$(LN) -f btrfs btrfsck
 200
 201 btrfsck.static: btrfs.static
 202         @echo "    [LN]     $@"
 203         $(Q)$(LN) -f $^ $@
 204
 205 mkfs.btrfs: $(objects) $(libs) mkfs.o
 206         @echo "    [LD]     $@"
 207         $(Q)$(CC) $(CFLAGS) -o mkfs.btrfs $(objects) mkfs.o $(LDFLAGS) $(LIBS)
 208
 209 mkfs.btrfs.static: $(static_objects) mkfs.static.o $(static_libbtrfs_objects)
 210         @echo "    [LD]     $@"
 211         $(Q)$(CC) $(STATIC_CFLAGS) -o mkfs.btrfs.static mkfs.static.o $(static_objects) \
 212                 $(static_libbtrfs_objects) $(STATIC_LDFLAGS) $(STATIC_LIBS)
 213
 214 btrfstune: $(objects) $(libs) btrfstune.o
 215         @echo "    [LD]     $@"
 216         $(Q)$(CC) $(CFLAGS) -o btrfstune $(objects) btrfstune.o $(LDFLAGS) $(LIBS)
 217
 218 btrfstune.static: $(static_objects) btrfstune.static.o $(static_libbtrfs_objects)
 219         @echo "    [LD]     $@"
 220         $(Q)$(CC) $(STATIC_CFLAGS) -o $@ btrfstune.static.o $(static_objects) \
 221                 $(static_libbtrfs_objects) $(STATIC_LDFLAGS) $(STATIC_LIBS)
 222
 223 dir-test: $(objects) $(libs) dir-test.o
 224         @echo "    [LD]     $@"
 225         $(Q)$(CC) $(CFLAGS) -o dir-test $(objects) dir-test.o $(LDFLAGS) $(LIBS)
 226
 227 quick-test: $(objects) $(libs) quick-test.o
 228         @echo "    [LD]     $@"
 229         $(Q)$(CC) $(CFLAGS) -o quick-test $(objects) quick-test.o $(LDFLAGS) $(LIBS)
 230
 231 ioctl-test: $(objects) $(libs) ioctl-test.o
 232         @echo "    [LD]     $@"
 233         $(Q)$(CC) $(CFLAGS) -o ioctl-test $(objects) ioctl-test.o $(LDFLAGS) $(LIBS)
 234
 235 send-test: $(objects) $(libs) send-test.o
 236         @echo "    [LD]     $@"
 237         $(Q)$(CC) $(CFLAGS) -o send-test $(objects) send-test.o $(LDFLAGS) $(LIBS) -lpthread
 238
 239 manpages:
 240         $(Q)$(MAKE) $(MAKEOPTS) -C Documentation
 241
 242 clean-all: clean-doc clean
 243
 244 clean: $(CLEANDIRS)
 245         @echo "Cleaning"
 246         $(Q)rm -f $(progs) cscope.out *.o *.o.d btrfs-convert btrfs-image btrfs-select-super \
 247               btrfs-zero-log btrfstune dir-test ioctl-test quick-test send-test btrfsck \
 248               btrfs.static mkfs.btrfs.static btrfs-calc-size \
 249               version.h $(check_defs) \
 250               $(libs) $(lib_links)
 251
 252 clean-doc:
 253         @echo "Cleaning Documentation"
 254         $(Q)$(MAKE) $(MAKEOPTS) -C Documentation clean
 255
 256 $(CLEANDIRS):
 257         @echo "Cleaning $(patsubst clean-%,%,$@)"
 258         $(Q)$(MAKE) $(MAKEOPTS) -C $(patsubst clean-%,%,$@) clean
 259
 260 install: $(libs) $(progs) $(INSTALLDIRS)
 261         $(INSTALL) -m755 -d $(DESTDIR)$(bindir)
 262         $(INSTALL) $(progs) $(DESTDIR)$(bindir)
 263         $(INSTALL) fsck.btrfs $(DESTDIR)$(bindir)
 264         # btrfsck is a link to btrfs in the src tree, make it so for installed file as well
 265         $(LN) -f $(DESTDIR)$(bindir)/btrfs $(DESTDIR)$(bindir)/btrfsck
 266         $(INSTALL) -m755 -d $(DESTDIR)$(libdir)
 267         $(INSTALL) $(libs) $(DESTDIR)$(libdir)
 268         cp -a $(lib_links) $(DESTDIR)$(libdir)
 269         $(INSTALL) -m755 -d $(DESTDIR)$(incdir)
 270         $(INSTALL) -m644 $(headers) $(DESTDIR)$(incdir)
 271
 272 install-static: $(progs_static) $(INSTALLDIRS)
 273         for p in $(progs_static) ; do \
 274                 $(INSTALL) -D -m755 $$p $(DESTDIR)$(bindir)/`basename $$p .static` ; \
 275         done
 276
 277 $(INSTALLDIRS):
 278         @echo "Making install in $(patsubst install-%,%,$@)"
 279         $(Q)$(MAKE) $(MAKEOPTS) -C $(patsubst install-%,%,$@) install
 280
 281 uninstall:
 282         $(Q)$(MAKE) $(MAKEOPTS) -C Documentation uninstall
 283         cd $(DESTDIR)$(incdir); rm -f $(headers)
 284         rmdir -p --ignore-fail-on-non-empty $(DESTDIR)$(incdir)
 285         cd $(DESTDIR)$(libdir); rm -f $(lib_links) $(libs)
 286         cd $(DESTDIR)$(bindir); rm -f btrfsck fsck.btrfs $(progs)
 287
 288 ifneq ($(MAKECMDGOALS),clean)
 289 -include $(objects:.o=.o.d) $(cmd-objects:.o=.o.d) $(subst .btrfs,, $(filter-out btrfsck.o.d, $(progs:=.o.d)))
 290 endif