# btrfs-progs # # Basic build targets: # all all main tools # static build static bnaries, requires static version of the libraries # test run the full testsuite # install install to default location (/usr/local) # clean clean built binaries (not the documentation) # clean-all clean as above, clean docs and generated files # # Tuning by variables (environment or make arguments): # V=1 verbose, print command lines (default: quiet) # C=1 run checker before compilation (default checker: sparse) # D=1 debugging build, turn off optimizations # D=dflags dtto, turn on additional debugging features: # verbose - print file:line along with error/warning messages # trace - print trace before the error/warning messages # abort - call abort() on first error (dumps core) # all - shortcut for all of the above # asan - enable address sanitizer compiler feature # ubsan - undefined behaviour sanitizer compiler feature # bcheck - extended build checks # W=123 build with warnings (default: off) # DEBUG_CFLAGS additional compiler flags for debugging build # EXTRA_CFLAGS additional compiler flags # EXTRA_LDFLAGS additional linker flags # # Testing-specific options (see also tests/README.md): # TEST=GLOB run test(s) from directories matching GLOB # TEST_LOG=tty print name of a command run via the execution helpers # TEST_LOG=dump dump testing log file when a test fails # # Static checkers: # CHECKER static checker binary to be called (default: sparse) # CHECKER_FLAGS flags to pass to CHECKER, can override CFLAGS # # Export all variables to sub-makes by default export include Makefile.extrawarn CC = @CC@ LN_S = @LN_S@ AR = @AR@ RM = @RM@ RMDIR = @RMDIR@ INSTALL = @INSTALL@ DISABLE_DOCUMENTATION = @DISABLE_DOCUMENTATION@ DISABLE_BTRFSCONVERT = @DISABLE_BTRFSCONVERT@ BTRFSCONVERT_EXT2 = @BTRFSCONVERT_EXT2@ EXTRA_CFLAGS := EXTRA_LDFLAGS := DEBUG_CFLAGS_DEFAULT = -O0 -U_FORTIFY_SOURCE -ggdb3 DEBUG_CFLAGS_INTERNAL = DEBUG_CFLAGS := TOPDIR := $(shell pwd) # Common build flags CFLAGS = @CFLAGS@ \ -include config.h \ -DBTRFS_FLAT_INCLUDES \ -D_XOPEN_SOURCE=700 \ -fno-strict-aliasing \ -fPIC \ -I$(TOPDIR) \ -I$(TOPDIR)/kernel-lib \ $(EXTRAWARN_CFLAGS) \ $(DEBUG_CFLAGS_INTERNAL) \ $(EXTRA_CFLAGS) LDFLAGS = @LDFLAGS@ \ -rdynamic -L$(TOPDIR) $(EXTRA_LDFLAGS) LIBS = @UUID_LIBS@ @BLKID_LIBS@ @ZLIB_LIBS@ @LZO2_LIBS@ -L. -pthread LIBBTRFS_LIBS = $(LIBS) # Static compilation flags STATIC_CFLAGS = $(CFLAGS) -ffunction-sections -fdata-sections STATIC_LDFLAGS = -static -Wl,--gc-sections STATIC_LIBS = @UUID_LIBS_STATIC@ @BLKID_LIBS_STATIC@ \ @ZLIB_LIBS_STATIC@ @LZO2_LIBS_STATIC@ -L. -pthread # don't use FORTIFY with sparse because glibc with FORTIFY can # generate so many sparse errors that sparse stops parsing, # which masks real errors that we want to see. CHECKER := sparse check_defs := .cc-defines.h CHECKER_FLAGS := -include $(check_defs) -D__CHECKER__ \ -D__CHECK_ENDIAN__ -Wbitwise -Wuninitialized -Wshadow -Wundef \ -U_FORTIFY_SOURCE objects = ctree.o disk-io.o kernel-lib/radix-tree.o extent-tree.o print-tree.o \ root-tree.o dir-item.o file-item.o inode-item.o inode-map.o \ extent-cache.o extent_io.o volumes.o utils.o repair.o \ qgroup.o raid56.o free-space-cache.o kernel-lib/list_sort.o props.o \ ulist.o qgroup-verify.o backref.o string-table.o task-utils.o \ inode.o file.o find-root.o free-space-tree.o help.o send-dump.o \ fsfeatures.o cmds_objects = cmds-subvolume.o cmds-filesystem.o cmds-device.o cmds-scrub.o \ cmds-inspect.o cmds-balance.o cmds-send.o cmds-receive.o \ cmds-quota.o cmds-qgroup.o cmds-replace.o cmds-check.o \ cmds-restore.o cmds-rescue.o chunk-recover.o super-recover.o \ cmds-property.o cmds-fi-usage.o cmds-inspect-dump-tree.o \ cmds-inspect-dump-super.o cmds-inspect-tree-stats.o cmds-fi-du.o libbtrfs_objects = send-stream.o send-utils.o kernel-lib/rbtree.o btrfs-list.o \ kernel-lib/crc32c.o \ uuid-tree.o utils-lib.o rbtree-utils.o libbtrfs_headers = send-stream.h send-utils.h send.h kernel-lib/rbtree.h btrfs-list.h \ kernel-lib/crc32c.h kernel-lib/list.h kerncompat.h \ kernel-lib/radix-tree.h extent-cache.h \ extent_io.h ioctl.h ctree.h btrfsck.h version.h convert_objects = convert/main.o convert/common.o convert/source-fs.o \ convert/source-ext2.o TESTS = fsck-tests.sh convert-tests.sh udev_rules = 64-btrfs-dm.rules prefix ?= @prefix@ exec_prefix = @exec_prefix@ bindir = @bindir@ libdir ?= @libdir@ incdir = @includedir@/btrfs udevdir = @UDEVDIR@ udevruledir = ${udevdir}/rules.d ifeq ("$(origin V)", "command line") BUILD_VERBOSE = $(V) endif ifndef BUILD_VERBOSE BUILD_VERBOSE = 0 endif ifeq ($(BUILD_VERBOSE),1) Q = else Q = @ endif ifeq ("$(origin D)", "command line") DEBUG_CFLAGS_INTERNAL = $(DEBUG_CFLAGS_DEFAULT) $(DEBUG_CFLAGS) endif ifneq (,$(findstring verbose,$(D))) DEBUG_CFLAGS_INTERNAL += -DDEBUG_VERBOSE_ERROR=1 endif ifneq (,$(findstring trace,$(D))) DEBUG_CFLAGS_INTERNAL += -DDEBUG_TRACE_ON_ERROR=1 endif ifneq (,$(findstring abort,$(D))) DEBUG_CFLAGS_INTERNAL += -DDEBUG_ABORT_ON_ERROR=1 endif ifneq (,$(findstring all,$(D))) DEBUG_CFLAGS_INTERNAL += -DDEBUG_VERBOSE_ERROR=1 DEBUG_CFLAGS_INTERNAL += -DDEBUG_TRACE_ON_ERROR=1 DEBUG_CFLAGS_INTERNAL += -DDEBUG_ABORT_ON_ERROR=1 endif ifneq (,$(findstring asan,$(D))) DEBUG_CFLAGS_INTERNAL += -fsanitize=address endif ifneq (,$(findstring ubsan,$(D))) DEBUG_CFLAGS_INTERNAL += -fsanitize=undefined endif ifneq (,$(findstring bcheck,$(D))) DEBUG_CFLAGS_INTERNAL += -DDEBUG_BUILD_CHECKS endif MAKEOPTS = --no-print-directory Q=$(Q) # build all by default progs = $(progs_install) btrfsck btrfs-corrupt-block # install only selected progs_install = btrfs mkfs.btrfs btrfs-debug-tree \ btrfs-map-logical btrfs-image btrfs-zero-log \ btrfs-find-root btrfstune \ btrfs-select-super # other tools, not built by default progs_extra = btrfs-fragments btrfs-calc-size btrfs-show-super progs_static = $(foreach p,$(progs),$(p).static) ifneq ($(DISABLE_BTRFSCONVERT),1) progs_install += btrfs-convert endif # external libs required by various binaries; for btrfs-foo, # specify btrfs_foo_libs = ; see $($(subst...)) rules below btrfs_convert_libs = @EXT2FS_LIBS@ @COM_ERR_LIBS@ btrfs_convert_cflags = -DBTRFSCONVERT_EXT2=$(BTRFSCONVERT_EXT2) btrfs_fragments_libs = -lgd -lpng -ljpeg -lfreetype btrfs_debug_tree_objects = cmds-inspect-dump-tree.o btrfs_show_super_objects = cmds-inspect-dump-super.o btrfs_calc_size_objects = cmds-inspect-tree-stats.o # collect values of the variables above standalone_deps = $(foreach dep,$(patsubst %,%_objects,$(subst -,_,$(filter btrfs-%, $(progs)))),$($(dep))) SUBDIRS = BUILDDIRS = $(patsubst %,build-%,$(SUBDIRS)) INSTALLDIRS = $(patsubst %,install-%,$(SUBDIRS)) CLEANDIRS = $(patsubst %,clean-%,$(SUBDIRS)) ifneq ($(DISABLE_DOCUMENTATION),1) BUILDDIRS += build-Documentation INSTALLDIRS += install-Documentation endif .PHONY: $(SUBDIRS) .PHONY: $(BUILDDIRS) .PHONY: $(INSTALLDIRS) .PHONY: $(TESTDIRS) .PHONY: $(CLEANDIRS) .PHONY: all install clean # Create all the static targets static_objects = $(patsubst %.o, %.static.o, $(objects)) static_cmds_objects = $(patsubst %.o, %.static.o, $(cmds_objects)) static_libbtrfs_objects = $(patsubst %.o, %.static.o, $(libbtrfs_objects)) static_convert_objects = $(patsubst %.o, %.static.o, $(convert_objects)) libs_shared = libbtrfs.so.0.1 libs_static = libbtrfs.a libs = $(libs_shared) $(libs_static) lib_links = libbtrfs.so.0 libbtrfs.so headers = $(libbtrfs_headers) # make C=1 to enable sparse ifdef C # We're trying to use sparse against glibc headers which go wild # trying to use internal compiler macros to test features. We # copy gcc's and give them to sparse. But not __SIZE_TYPE__ # 'cause sparse defines that one. # dummy := $(shell $(CC) -dM -E -x c - < /dev/null | \ grep -v __SIZE_TYPE__ > $(check_defs)) check = $(CHECKER) check_echo = echo else check = true check_echo = true endif %.o.d: %.c $(Q)$(CC) -MD -MM -MG -MF $@ -MT $(@:.o.d=.o) -MT $(@:.o.d=.static.o) -MT $@ $(CFLAGS) $< # # Pick from per-file variables, btrfs_*_cflags # .c.o: @$(check_echo) " [SP] $<" $(Q)$(check) $(CFLAGS) $(CHECKER_FLAGS) $< @echo " [CC] $@" $(Q)$(CC) $(CFLAGS) -c $< -o $@ $($(subst -,_,$(@:%.o=%)-cflags)) \ $($(subst -,_,btrfs-$(@:%/$(notdir $@)=%)-cflags)) %.static.o: %.c @echo " [CC] $@" $(Q)$(CC) $(STATIC_CFLAGS) -c $< -o $@ $($(subst -,_,$(@:%.static.o=%)-cflags)) \ $($(subst -,_,btrfs-$(@:%/$(notdir $@)=%)-cflags)) all: $(progs) $(BUILDDIRS) $(SUBDIRS): $(BUILDDIRS) $(BUILDDIRS): @echo "Making all in $(patsubst build-%,%,$@)" $(Q)$(MAKE) $(MAKEOPTS) -C $(patsubst build-%,%,$@) test-convert: btrfs btrfs-convert @echo " [TEST] convert-tests.sh" $(Q)bash tests/convert-tests.sh test-check: test-fsck test-fsck: btrfs btrfs-image btrfs-corrupt-block btrfs-debug-tree mkfs.btrfs @echo " [TEST] fsck-tests.sh" $(Q)bash tests/fsck-tests.sh test-misc: btrfs btrfs-image btrfs-corrupt-block btrfs-debug-tree mkfs.btrfs btrfstune @echo " [TEST] misc-tests.sh" $(Q)bash tests/misc-tests.sh test-mkfs: btrfs mkfs.btrfs @echo " [TEST] mkfs-tests.sh" $(Q)bash tests/mkfs-tests.sh test-fuzz: btrfs @echo " [TEST] fuzz-tests.sh" $(Q)bash tests/fuzz-tests.sh test-cli: btrfs @echo " [TEST] cli-tests.sh" $(Q)bash tests/cli-tests.sh test-clean: @echo "Cleaning tests" $(Q)bash tests/clean-tests.sh test-inst: all @tmpdest=`mktemp --tmpdir -d btrfs-inst.XXXXXX` && \ echo "Test installation to $$tmpdest" && \ $(MAKE) DESTDIR=$$tmpdest install && \ $(RM) -rf -- $$tmpdest test: test-fsck test-mkfs test-convert test-misc test-fuzz test-cli # # NOTE: For static compiles, you need to have all the required libs # static equivalent available # static: $(progs_static) version.h: version.sh version.h.in configure.ac @echo " [SH] $@" $(Q)bash ./config.status --silent $@ $(libs_shared): $(libbtrfs_objects) $(lib_links) send.h @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) $(libbtrfs_objects) $(LDFLAGS) $(LIBBTRFS_LIBS) \ -shared -Wl,-soname,libbtrfs.so.0 -o libbtrfs.so.0.1 $(libs_static): $(libbtrfs_objects) @echo " [AR] $@" $(Q)$(AR) cr libbtrfs.a $(libbtrfs_objects) $(lib_links): @echo " [LN] $@" $(Q)$(LN_S) -f libbtrfs.so.0.1 $@ # keep intermediate files from the below implicit rules around .PRECIOUS: $(addsuffix .o,$(progs)) # Make any btrfs-foo out of btrfs-foo.o, with appropriate libs. # The $($(subst...)) bits below takes the btrfs_*_libs definitions above and # turns them into a list of libraries to link against if they exist # # For static variants, use an extra $(subst) to get rid of the ".static" # from the target name before translating to list of libs btrfs-%.static: $(static_objects) btrfs-%.static.o $(static_libbtrfs_objects) $(patsubst %.o,%.static.o,$(standalone_deps)) @echo " [LD] $@" $(Q)$(CC) $(STATIC_CFLAGS) -o $@ $@.o $(static_objects) \ $(patsubst %.o, %.static.o, $($(subst -,_,$(subst .static,,$@)-objects))) \ $(static_libbtrfs_objects) $(STATIC_LDFLAGS) \ $($(subst -,_,$(subst .static,,$@)-libs)) $(STATIC_LIBS) btrfs-%: $(objects) $(libs_static) btrfs-%.o $(standalone_deps) @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) -o $@ $(objects) $@.o \ $($(subst -,_,$@-objects)) \ $(libs_static) \ $(LDFLAGS) $(LIBS) $($(subst -,_,$@-libs)) btrfs: $(objects) btrfs.o $(cmds_objects) $(libs_static) @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) -o btrfs btrfs.o $(cmds_objects) \ $(objects) $(libs_static) $(LDFLAGS) $(LIBS) btrfs.static: $(static_objects) btrfs.static.o $(static_cmds_objects) $(static_libbtrfs_objects) @echo " [LD] $@" $(Q)$(CC) $(STATIC_CFLAGS) -o btrfs.static btrfs.static.o $(static_cmds_objects) \ $(static_objects) $(static_libbtrfs_objects) $(STATIC_LDFLAGS) $(STATIC_LIBS) # For backward compatibility, 'btrfs' changes behaviour to fsck if it's named 'btrfsck' btrfsck: btrfs @echo " [LN] $@" $(Q)$(LN_S) -f btrfs btrfsck btrfsck.static: btrfs.static @echo " [LN] $@" $(Q)$(LN_S) -f $^ $@ mkfs.btrfs: $(objects) $(libs_static) mkfs/main.o mkfs/common.o @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) -o mkfs.btrfs $(objects) $(libs_static) \ mkfs/main.o mkfs/common.o $(LDFLAGS) $(LIBS) mkfs.btrfs.static: $(static_objects) mkfs/main.static.o mkfs/common.static.o $(static_libbtrfs_objects) @echo " [LD] $@" $(Q)$(CC) $(STATIC_CFLAGS) -o mkfs.btrfs.static \ mkfs/main.static.o mkfs/common.static.o $(static_objects) \ $(static_libbtrfs_objects) $(STATIC_LDFLAGS) $(STATIC_LIBS) btrfstune: $(objects) $(libs_static) btrfstune.o @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) -o btrfstune $(objects) btrfstune.o $(libs_static) $(LDFLAGS) $(LIBS) btrfstune.static: $(static_objects) btrfstune.static.o $(static_libbtrfs_objects) @echo " [LD] $@" $(Q)$(CC) $(STATIC_CFLAGS) -o $@ btrfstune.static.o $(static_objects) \ $(static_libbtrfs_objects) $(STATIC_LDFLAGS) $(STATIC_LIBS) btrfs-image: $(objects) $(libs_static) image/main.o @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) -I$(TOPDIR)/image -o btrfs-image $(objects) image/main.o $(libs_static) $(LDFLAGS) $(LIBS) btrfs-image.static: $(static_objects) image/main.static.o $(static_libbtrfs_objects) @echo " [LD] $@" $(Q)$(CC) $(STATIC_CFLAGS) -o $@ image/main.static.o $(static_objects) \ $(static_libbtrfs_objects) $(STATIC_LDFLAGS) $(STATIC_LIBS) btrfs-convert: $(objects) $(libs_static) $(convert_objects) @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) -I$(TOPDIR)/convert -o btrfs-convert $(objects) \ $(convert_objects) $(libs_static) \ $(LDFLAGS) $(btrfs_convert_libs) $(LIBS) btrfs-convert.static: $(static_objects) $(static_convert_objects) $(static_libbtrfs_objects) @echo " [LD] $@" $(Q)$(CC) $(STATIC_CFLAGS) -o $@ $(static_convert_objects) $(static_objects) \ $(static_libbtrfs_objects) $(STATIC_LDFLAGS) $(btrfs_convert_libs) $(STATIC_LIBS) dir-test: $(objects) $(libs) dir-test.o @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) -o dir-test $(objects) $(libs) dir-test.o $(LDFLAGS) $(LIBS) quick-test: $(objects) $(libs) quick-test.o @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) -o quick-test $(objects) $(libs) quick-test.o $(LDFLAGS) $(LIBS) ioctl-test.o: ioctl-test.c ioctl.h kerncompat.h ctree.h @echo " [CC] $@" $(Q)$(CC) $(CFLAGS) -c $< -o $@ ioctl-test-32.o: ioctl-test.c ioctl.h kerncompat.h ctree.h @echo " [CC32] $@" $(Q)$(CC) $(CFLAGS) -m32 -c $< -o $@ ioctl-test-64.o: ioctl-test.c ioctl.h kerncompat.h ctree.h @echo " [CC64] $@" $(Q)$(CC) $(CFLAGS) -m64 -c $< -o $@ ioctl-test: ioctl-test.o @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) -o $@ $< $(LDFLAGS) @echo " ?[PAHOLE] $@.pahole" -$(Q)pahole $@ > $@.pahole ioctl-test-32: ioctl-test-32.o @echo " [LD32] $@" $(Q)$(CC) $(CFLAGS) -m32 -o $@ $< $(LDFLAGS) @echo " ?[PAHOLE] $@.pahole" -$(Q)pahole $@ > $@.pahole ioctl-test-64: ioctl-test-64.o @echo " [LD64] $@" $(Q)$(CC) $(CFLAGS) -m64 -o $@ $< $(LDFLAGS) @echo " ?[PAHOLE] $@.pahole" -$(Q)pahole $@ > $@.pahole test-ioctl: ioctl-test ioctl-test-32 ioctl-test-64 @echo " [TEST/ioctl]" $(Q)./ioctl-test > ioctl-test.log $(Q)./ioctl-test-32 > ioctl-test-32.log $(Q)./ioctl-test-64 > ioctl-test-64.log library-test: $(libs_shared) library-test.o @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) -o library-test library-test.o $(LDFLAGS) -Wl,-rpath=$(TOPDIR) -lbtrfs @echo " [TEST] $@" $(Q)./$@ library-test.static: $(libs_static) library-test.static.o @echo " [LD] $@" $(Q)$(CC) $(STATIC_CFLAGS) -o library-test.static library-test.static.o $(STATIC_LDFLAGS) $(libs_static) $(STATIC_LIBS) @echo " [TEST] $@" $(Q)./$@ test-build: test-build-pre test-build-real test-build-pre: $(MAKE) clean-all ./autogen.sh ./configure test-build-real: $(MAKE) library-test -$(MAKE) library-test.static $(MAKE) -j 8 all -$(MAKE) -j 8 static $(MAKE) -j 8 $(progs_extra) manpages: $(Q)$(MAKE) $(MAKEOPTS) -C Documentation clean-all: clean clean-doc clean-gen clean: $(CLEANDIRS) @echo "Cleaning" $(Q)$(RM) -f -- $(progs) cscope.out *.o *.o.d \ kernel-lib/*.o kernel-lib/*.o.d \ image/*.o image/*.o.d \ convert/*.o convert/*.o.d \ mkfs/*.o mkfs/*.o.d \ dir-test ioctl-test quick-test library-test library-test-static \ btrfs.static mkfs.btrfs.static \ $(check_defs) \ $(libs) $(lib_links) \ $(progs_static) $(progs_extra) clean-doc: @echo "Cleaning Documentation" $(Q)$(MAKE) $(MAKEOPTS) -C Documentation clean clean-gen: @echo "Cleaning Generated Files" $(Q)$(RM) -rf -- version.h config.status config.cache connfig.log \ configure.lineno config.status.lineno Makefile \ Documentation/Makefile \ config.log config.h config.h.in~ aclocal.m4 \ configure autom4te.cache/ config/ $(CLEANDIRS): @echo "Cleaning $(patsubst clean-%,%,$@)" $(Q)$(MAKE) $(MAKEOPTS) -C $(patsubst clean-%,%,$@) clean install: $(libs) $(progs_install) $(INSTALLDIRS) $(INSTALL) -m755 -d $(DESTDIR)$(bindir) $(INSTALL) $(progs_install) $(DESTDIR)$(bindir) $(INSTALL) fsck.btrfs $(DESTDIR)$(bindir) # btrfsck is a link to btrfs in the src tree, make it so for installed file as well $(LN_S) -f btrfs $(DESTDIR)$(bindir)/btrfsck $(INSTALL) -m755 -d $(DESTDIR)$(libdir) $(INSTALL) $(libs) $(DESTDIR)$(libdir) cp -a $(lib_links) $(DESTDIR)$(libdir) $(INSTALL) -m755 -d $(DESTDIR)$(incdir) $(INSTALL) -m644 $(headers) $(DESTDIR)$(incdir) ifneq ($(udevdir),) $(INSTALL) -m755 -d $(DESTDIR)$(udevruledir) $(INSTALL) -m644 $(udev_rules) $(DESTDIR)$(udevruledir) endif install-static: $(progs_static) $(INSTALLDIRS) $(INSTALL) -m755 -d $(DESTDIR)$(bindir) $(INSTALL) $(progs_static) $(DESTDIR)$(bindir) # btrfsck is a link to btrfs in the src tree, make it so for installed file as well $(LN_S) -f btrfs.static $(DESTDIR)$(bindir)/btrfsck.static $(INSTALLDIRS): @echo "Making install in $(patsubst install-%,%,$@)" $(Q)$(MAKE) $(MAKEOPTS) -C $(patsubst install-%,%,$@) install uninstall: $(Q)$(MAKE) $(MAKEOPTS) -C Documentation uninstall cd $(DESTDIR)$(incdir); $(RM) -f -- $(headers) $(RMDIR) -p --ignore-fail-on-non-empty -- $(DESTDIR)$(incdir) cd $(DESTDIR)$(libdir); $(RM) -f -- $(lib_links) $(libs) cd $(DESTDIR)$(bindir); $(RM) -f -- btrfsck fsck.btrfs $(progs_install) ifneq ($(MAKECMDGOALS),clean) -include $(objects:.o=.o.d) $(cmds_objects:.o=.o.d) $(subst .btrfs,, $(filter-out btrfsck.o.d, $(progs:=.o.d))) endif