mirror of
https://github.com/kdave/btrfs-progs
synced 2024-12-24 23:22:27 +00:00
5ac75e2af2
There were a few problems that were breaking sparse checking: - We were defining CHECK_ENDIAN late in the environment, after linux/fs.h has been included which defines __force and __bitwise in confusing ways that conflict with ours. Define it up with __CHECKER__ so that linux/fs.h and our copy are acting on the same input. - We had manually set a few of gcc's internal defines to give to sparse. It's easier to just ask gcc for all the defines it sets and hand those to sparse. - We weren't passing the same *FLAGS to sparse as we were to CC. - glibc has so many errors with FORTIFY turned on that sparse gives up and doesn't show us any errors from our code. It's a questionable hack to always turn on FORTIFY ourselves, so we'll just not do that when building with sparse. And add a nice '[SP]' quiet output line for sparse checks. Signed-off-by: Zach Brown <zab@redhat.com> Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
224 lines
7.6 KiB
Makefile
224 lines
7.6 KiB
Makefile
CC = gcc
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LN = ln
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AR = ar
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AM_CFLAGS = -Wall -D_FILE_OFFSET_BITS=64 -DBTRFS_FLAT_INCLUDES -fPIC
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CFLAGS = -g -O1
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objects = ctree.o disk-io.o radix-tree.o extent-tree.o print-tree.o \
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root-tree.o dir-item.o file-item.o inode-item.o inode-map.o \
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extent-cache.o extent_io.o volumes.o utils.o repair.o \
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qgroup.o raid6.o free-space-cache.o uuid-tree.o
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cmds_objects = cmds-subvolume.o cmds-filesystem.o cmds-device.o cmds-scrub.o \
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cmds-inspect.o cmds-balance.o cmds-send.o cmds-receive.o \
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cmds-quota.o cmds-qgroup.o cmds-replace.o cmds-check.o \
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cmds-restore.o cmds-chunk.o
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libbtrfs_objects = send-stream.o send-utils.o rbtree.o btrfs-list.o crc32c.o \
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uuid-tree.o
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libbtrfs_headers = send-stream.h send-utils.h send.h rbtree.h btrfs-list.h \
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crc32c.h list.h kerncompat.h radix-tree.h extent-cache.h \
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extent_io.h ioctl.h ctree.h btrfsck.h
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INSTALL = install
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prefix ?= /usr/local
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bindir = $(prefix)/bin
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lib_LIBS = -luuid -lblkid -lm -lz -llzo2 -L.
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libdir ?= $(prefix)/lib
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incdir = $(prefix)/include/btrfs
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LIBS = $(lib_LIBS) $(libs_static)
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ifeq ("$(origin V)", "command line")
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BUILD_VERBOSE = $(V)
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endif
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ifndef BUILD_VERBOSE
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BUILD_VERBOSE = 0
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endif
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ifeq ($(BUILD_VERBOSE),1)
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Q =
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else
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Q = @
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endif
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MAKEOPTS = --no-print-directory Q=$(Q)
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progs = mkfs.btrfs btrfs-debug-tree btrfsck \
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btrfs btrfs-map-logical btrfs-image btrfs-zero-log btrfs-convert \
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btrfs-find-root btrfstune btrfs-show-super
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# external libs required by various binaries; for btrfs-foo,
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# specify btrfs_foo_libs = <list of libs>; see $($(subst...)) rules below
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btrfs_convert_libs = -lext2fs -lcom_err
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btrfs_image_libs = -lpthread
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btrfs_fragment_libs = -lgd -lpng -ljpeg -lfreetype
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# Create all the static targets
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static_objects = $(patsubst %.o, %.static.o, $(objects))
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static_cmds_objects = $(patsubst %.o, %.static.o, $(cmds_objects))
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static_libbtrfs_objects = $(patsubst %.o, %.static.o, $(libbtrfs_objects))
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# Define static compilation flags
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STATIC_CFLAGS = $(CFLAGS) -ffunction-sections -fdata-sections
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STATIC_LDFLAGS = -static -Wl,--gc-sections
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STATIC_LIBS = $(lib_LIBS) -lpthread
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libs_shared = libbtrfs.so.0.1
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libs_static = libbtrfs.a
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libs = $(libs_shared) $(libs_static)
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lib_links = libbtrfs.so.0 libbtrfs.so
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headers = $(libbtrfs_headers)
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# make C=1 to enable sparse
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check_defs := .cc-defines.h
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ifdef C
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#
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# We're trying to use sparse against glibc headers which go wild
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# trying to use internal compiler macros to test features. We
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# copy gcc's and give them to sparse. But not __SIZE_TYPE__
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# 'cause sparse defines that one.
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#
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dummy := $(shell $(CC) -dM -E -x c - < /dev/null | \
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grep -v __SIZE_TYPE__ > $(check_defs))
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check = sparse -include $(check_defs) -D__CHECKER__ \
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-D__CHECK_ENDIAN__ -Wbitwise -Wuninitialized -Wshadow -Wundef
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check_echo = echo
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# don't use FORTIFY with sparse because glibc with FORTIFY can
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# generate so many sparse errors that sparse stops parsing,
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# which masks real errors that we want to see.
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else
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check = true
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check_echo = true
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AM_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
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endif
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%.o.d: %.c
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$(Q)$(CC) -MM -MG -MF $@ -MT $(@:.o.d=.o) -MT $(@:.o.d=.static.o) -MT $@ $(AM_CFLAGS) $(CFLAGS) $<
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.c.o:
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@$(check_echo) " [SP] $<"
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$(Q)$(check) $(AM_CFLAGS) $(CFLAGS) $<
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@echo " [CC] $@"
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$(Q)$(CC) $(AM_CFLAGS) $(CFLAGS) -c $<
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%.static.o: %.c
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@echo " [CC] $@"
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$(Q)$(CC) $(AM_CFLAGS) $(STATIC_CFLAGS) -c $< -o $@
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all: $(progs) manpages
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#
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# NOTE: For static compiles, you need to have all the required libs
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# static equivalent available
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#
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static: btrfs.static mkfs.btrfs.static btrfs-find-root.static
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version.h:
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@echo " [SH] $@"
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$(Q)bash version.sh
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$(libs_shared): $(libbtrfs_objects) $(lib_links) send.h
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@echo " [LD] $@"
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$(Q)$(CC) $(CFLAGS) $(libbtrfs_objects) $(LDFLAGS) $(lib_LIBS) \
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-shared -Wl,-soname,libbtrfs.so.0 -o libbtrfs.so.0.1
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$(libs_static): $(libbtrfs_objects)
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@echo " [AR] $@"
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$(Q)$(AR) cru libbtrfs.a $(libbtrfs_objects)
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$(lib_links):
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@echo " [LN] $@"
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$(Q)$(LN) -sf libbtrfs.so.0.1 libbtrfs.so.0
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$(Q)$(LN) -sf libbtrfs.so.0.1 libbtrfs.so
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# keep intermediate files from the below implicit rules around
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.PRECIOUS: $(addsuffix .o,$(progs))
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# Make any btrfs-foo out of btrfs-foo.o, with appropriate libs.
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# The $($(subst...)) bits below takes the btrfs_*_libs definitions above and
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# turns them into a list of libraries to link against if they exist
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#
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# For static variants, use an extra $(subst) to get rid of the ".static"
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# from the target name before translating to list of libs
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btrfs-%.static: $(static_objects) btrfs-%.static.o $(static_libbtrfs_objects)
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@echo " [LD] $@"
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$(Q)$(CC) $(STATIC_CFLAGS) -o $@ $@.o $(static_objects) \
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$(static_libbtrfs_objects) $(STATIC_LDFLAGS) $(STATIC_LIBS) \
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$($(subst -,_,$(subst .static,,$@)-libs))
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btrfs-%: $(objects) $(libs) btrfs-%.o
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@echo " [LD] $@"
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$(Q)$(CC) $(CFLAGS) -o $@ $(objects) $@.o $(LDFLAGS) $(LIBS) $($(subst -,_,$@-libs))
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btrfs: $(objects) btrfs.o help.o $(cmds_objects) $(libs)
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@echo " [LD] $@"
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$(Q)$(CC) $(CFLAGS) -o btrfs btrfs.o help.o $(cmds_objects) \
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$(objects) $(LDFLAGS) $(LIBS) -lpthread
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btrfs.static: $(static_objects) btrfs.static.o help.static.o $(static_cmds_objects) $(static_libbtrfs_objects)
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@echo " [LD] $@"
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$(Q)$(CC) $(STATIC_CFLAGS) -o btrfs.static btrfs.static.o help.static.o $(static_cmds_objects) \
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$(static_objects) $(static_libbtrfs_objects) $(STATIC_LDFLAGS) $(STATIC_LIBS)
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# For backward compatibility, 'btrfs' changes behaviour to fsck if it's named 'btrfsck'
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btrfsck: btrfs
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@echo " [LN] $@"
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$(Q)$(LN) -f btrfs btrfsck
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mkfs.btrfs: $(objects) $(libs) mkfs.o
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@echo " [LD] $@"
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$(Q)$(CC) $(CFLAGS) -o mkfs.btrfs $(objects) mkfs.o $(LDFLAGS) $(LIBS)
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mkfs.btrfs.static: $(static_objects) mkfs.static.o $(static_libbtrfs_objects)
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@echo " [LD] $@"
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$(Q)$(CC) $(STATIC_CFLAGS) -o mkfs.btrfs.static mkfs.static.o $(static_objects) \
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$(static_libbtrfs_objects) $(STATIC_LDFLAGS) $(STATIC_LIBS)
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btrfstune: $(objects) $(libs) btrfstune.o
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@echo " [LD] $@"
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$(Q)$(CC) $(CFLAGS) -o btrfstune $(objects) btrfstune.o $(LDFLAGS) $(LIBS)
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dir-test: $(objects) $(libs) dir-test.o
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@echo " [LD] $@"
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$(Q)$(CC) $(CFLAGS) -o dir-test $(objects) dir-test.o $(LDFLAGS) $(LIBS)
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quick-test: $(objects) $(libs) quick-test.o
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@echo " [LD] $@"
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$(Q)$(CC) $(CFLAGS) -o quick-test $(objects) quick-test.o $(LDFLAGS) $(LIBS)
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ioctl-test: $(objects) $(libs) ioctl-test.o
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@echo " [LD] $@"
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$(Q)$(CC) $(CFLAGS) -o ioctl-test $(objects) ioctl-test.o $(LDFLAGS) $(LIBS)
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send-test: $(objects) $(libs) send-test.o
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@echo " [LD] $@"
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$(Q)$(CC) $(CFLAGS) -o send-test $(objects) send-test.o $(LDFLAGS) $(LIBS) -lpthread
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manpages:
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$(Q)$(MAKE) $(MAKEOPTS) -C man
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install-man:
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cd man; $(MAKE) install
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clean :
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@echo "Cleaning"
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$(Q)rm -f $(progs) cscope.out *.o *.o.d btrfs-convert btrfs-image btrfs-select-super \
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btrfs-zero-log btrfstune dir-test ioctl-test quick-test send-test btrfsck \
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btrfs.static mkfs.btrfs.static btrfs-calc-size \
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version.h $(check_defs) \
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$(libs) $(lib_links)
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$(Q)$(MAKE) $(MAKEOPTS) -C man $@
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install: $(libs) $(progs) install-man
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$(INSTALL) -m755 -d $(DESTDIR)$(bindir)
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$(INSTALL) $(progs) $(DESTDIR)$(bindir)
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# btrfsck is a link to btrfs in the src tree, make it so for installed file as well
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$(LN) -f $(DESTDIR)$(bindir)/btrfs $(DESTDIR)$(bindir)/btrfsck
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$(INSTALL) -m755 -d $(DESTDIR)$(libdir)
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$(INSTALL) $(libs) $(DESTDIR)$(libdir)
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cp -a $(lib_links) $(DESTDIR)$(libdir)
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$(INSTALL) -m755 -d $(DESTDIR)$(incdir)
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$(INSTALL) -m644 $(headers) $(DESTDIR)$(incdir)
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ifneq ($(MAKECMDGOALS),clean)
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-include $(objects:.o=.o.d) $(cmd-objects:.o=.o.d) $(subst .btrfs,, $(filter-out btrfsck.o.d, $(progs:=.o.d)))
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endif
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