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btrfs-progs/Makefile
Eric Sandeen 2a2d8e1962 btrfs-progs: require mkfs -f force option to overwrite filesystem or partition table 
The core of this is shamelessly stolen from xfsprogs.

Use blkid to detect an existing filesystem or partition
table on any of the target devices.  If something is found,
require the '-f' option to overwrite it, hopefully avoiding
disaster due to mistyped devicenames, etc.

# mkfs.btrfs /dev/sda1

WARNING! - Btrfs v0.20-rc1-59-gd00279c-dirty IS EXPERIMENTAL
WARNING! - see http://btrfs.wiki.kernel.org before using

/dev/sda1 appears to contain an existing filesystem (xfs).
Use the -f option to force overwrite.
#

This does introduce a requirement on libblkid.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
2013-02-19 11:15:31 +01:00

189 lines
5.9 KiB
Makefile
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CC = gcc
LN = ln
AM_CFLAGS = -Wall -D_FILE_OFFSET_BITS=64 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
CFLAGS = -g -O1
objects = ctree.o disk-io.o radix-tree.o extent-tree.o print-tree.o \
root-tree.o dir-item.o file-item.o inode-item.o \
inode-map.o crc32c.o rbtree.o extent-cache.o extent_io.o \
volumes.o utils.o btrfs-list.o btrfslabel.o repair.o \
send-stream.o send-utils.o qgroup.o raid6.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
CHECKFLAGS= -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise \
-Wuninitialized -Wshadow -Wundef
DEPFLAGS = -Wp,-MMD,$(@D)/.$(@F).d,-MT,$@
INSTALL = install
prefix ?= /usr/local
bindir = $(prefix)/bin
LIBS=-luuid -lblkid -lm -lz
ifeq ("$(origin V)", "command line")
BUILD_VERBOSE = $(V)
endif
ifndef BUILD_VERBOSE
BUILD_VERBOSE = 0
endif
ifeq ($(BUILD_VERBOSE),1)
Q =
else
Q = @
endif
MAKEOPTS = --no-print-directory Q=$(Q)
progs = btrfsctl mkfs.btrfs btrfs-debug-tree btrfs-show btrfs-vol btrfsck \
btrfs btrfs-map-logical btrfs-image btrfs-zero-log btrfs-convert \
btrfs-find-root btrfstune btrfs-show-super
# Create all the static targets
static_objects = $(patsubst %.o, %.static.o, $(objects))
static_cmds_objects = $(patsubst %.o, %.static.o, $(cmds_objects))
static_progs = $(patsubst %.o, %.static.o, $(progs))
# Define static compilation flags
STATIC_CFLAGS = $(CFLAGS) -ffunction-sections -fdata-sections
STATIC_LDFLAGS = -static -Wl,--gc-sections
STATIC_LIBS = $(LIBS) -lpthread
# make C=1 to enable sparse
ifdef C
check = sparse $(CHECKFLAGS)
else
check = true
endif
.c.o:
$(Q)$(check) $<
@echo " [CC] $@"
$(Q)$(CC) $(DEPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c $<
%.static.o: %.c
@echo " [CC] $@"
$(Q)$(CC) $(DEPFLAGS) $(AM_CFLAGS) $(STATIC_CFLAGS) -c $< -o $@
all: version.h $(progs) manpages
#
# NOTE: For static compiles, you need to have all the required libs
# static equivalent available
#
static: version.h btrfs.static
version.h:
$(Q)bash version.sh
btrfs: $(objects) btrfs.o help.o $(cmds_objects)
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs btrfs.o help.o $(cmds_objects) \
$(objects) $(LDFLAGS) $(LIBS) -lpthread
btrfs.static: $(static_objects) btrfs.static.o help.static.o $(static_cmds_objects)
@echo " [LD] $@"
$(Q)$(CC) $(STATIC_CFLAGS) -o btrfs.static btrfs.static.o help.static.o $(static_cmds_objects) \
$(static_objects) $(STATIC_LDFLAGS) $(STATIC_LIBS)
calc-size: $(objects) calc-size.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o calc-size calc-size.o $(objects) $(LDFLAGS) $(LIBS)
btrfs-find-root: $(objects) find-root.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-find-root find-root.o $(objects) $(LDFLAGS) $(LIBS)
btrfsctl: $(objects) btrfsctl.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfsctl btrfsctl.o $(objects) $(LDFLAGS) $(LIBS)
btrfs-vol: $(objects) btrfs-vol.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-vol btrfs-vol.o $(objects) $(LDFLAGS) $(LIBS)
btrfs-show: $(objects) btrfs-show.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-show btrfs-show.o $(objects) $(LDFLAGS) $(LIBS)
# For backward compatibility, 'btrfs' changes behaviour to fsck if it's named 'btrfsck'
btrfsck: btrfs
@echo " [LN] $@"
$(Q)$(LN) -f btrfs btrfsck
mkfs.btrfs: $(objects) mkfs.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o mkfs.btrfs $(objects) mkfs.o $(LDFLAGS) $(LIBS) -lblkid
btrfs-debug-tree: $(objects) debug-tree.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-debug-tree $(objects) debug-tree.o $(LDFLAGS) $(LIBS)
btrfs-zero-log: $(objects) btrfs-zero-log.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-zero-log $(objects) btrfs-zero-log.o $(LDFLAGS) $(LIBS)
btrfs-show-super: $(objects) btrfs-show-super.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-show-super $(objects) btrfs-show-super.o $(LDFLAGS) $(LIBS)
btrfs-select-super: $(objects) btrfs-select-super.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-select-super $(objects) btrfs-select-super.o $(LDFLAGS) $(LIBS)
btrfstune: $(objects) btrfstune.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfstune $(objects) btrfstune.o $(LDFLAGS) $(LIBS)
btrfs-map-logical: $(objects) btrfs-map-logical.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-map-logical $(objects) btrfs-map-logical.o $(LDFLAGS) $(LIBS)
btrfs-corrupt-block: $(objects) btrfs-corrupt-block.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-corrupt-block $(objects) btrfs-corrupt-block.o $(LDFLAGS) $(LIBS)
btrfs-image: $(objects) btrfs-image.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-image $(objects) btrfs-image.o -lpthread -lz $(LDFLAGS) $(LIBS)
dir-test: $(objects) dir-test.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o dir-test $(objects) dir-test.o $(LDFLAGS) $(LIBS)
quick-test: $(objects) quick-test.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o quick-test $(objects) quick-test.o $(LDFLAGS) $(LIBS)
btrfs-convert: $(objects) convert.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-convert $(objects) convert.o -lext2fs -lcom_err $(LDFLAGS) $(LIBS)
ioctl-test: $(objects) ioctl-test.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o ioctl-test $(objects) ioctl-test.o $(LDFLAGS) $(LIBS)
send-test: $(objects) send-test.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o send-test $(objects) send-test.o $(LDFLAGS) $(LIBS) -lpthread
manpages:
$(Q)$(MAKE) $(MAKEOPTS) -C man
install-man:
cd man; $(MAKE) install
clean :
@echo "Cleaning"
$(Q)rm -f $(progs) cscope.out *.o .*.d btrfs-convert btrfs-image btrfs-select-super \
btrfs-zero-log btrfstune dir-test ioctl-test quick-test send-test btrfs.static btrfsck \
version.h
$(Q)$(MAKE) $(MAKEOPTS) -C man $@
install: $(progs) install-man
$(INSTALL) -m755 -d $(DESTDIR)$(bindir)
$(INSTALL) $(progs) $(DESTDIR)$(bindir)
-include .*.d
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