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btrfs-progs: Add default rules to Makefile

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Add a default rule for any btrfs-$FOO or btrfs-$FOO.static
target, allowing it to be built from btrfs-$FOO.c along with
all the normal userspace objects.

This gets rid of a lot of the cut and pasted rules for
each individual command, and as an added bonus makes it
easy to build any btrfs-$FOO statically as well, i.e.

  # make btrfs-convert.static

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
This commit is contained in:
Eric Sandeen 2013-04-21 17:22:37 -05:00 committed by David Sterba
parent b1031dfae1
commit ef85e7e285
1 changed files with 26 additions and 53 deletions
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79
Makefile
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@ -47,6 +47,12 @@ progs = mkfs.btrfs btrfs-debug-tree btrfsck \
btrfs btrfs-map-logical btrfs-image btrfs-zero-log btrfs-convert \
btrfs-find-root btrfstune btrfs-show-super
# external libs required by various binaries; for btrfs-foo,
# specify btrfs_foo_libs = <list of libs>; see $($(subst...)) rules below
btrfs_convert_libs = -lext2fs -lcom_err
btrfs_image_libs = -lpthread
btrfs_fragment_libs = -lgd -lpng -ljpeg -lfreetype
# Create all the static targets
static_objects = $(patsubst %.o, %.static.o, $(objects))
static_cmds_objects = $(patsubst %.o, %.static.o, $(cmds_objects))
@ -105,6 +111,26 @@ $(lib_links):
$(Q)$(LN) -sf libbtrfs.so.0.1 libbtrfs.so.0
$(Q)$(LN) -sf libbtrfs.so.0.1 libbtrfs.so
# 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: version.h $(static_objects) btrfs-%.static.o $(static_libbtrfs_objects)
@echo " [LD] $@"
$(Q)$(CC) $(STATIC_CFLAGS) -o $@ $@.o $(static_objects) \
$(static_libbtrfs_objects) $(STATIC_LDFLAGS) $(STATIC_LIBS) \
$($(subst -,_,$(subst .static,,$@)-libs))
btrfs-%: version.h $(objects) $(libs) btrfs-%.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o $@ $(objects) $@.o $(LDFLAGS) $(LIBS) $($(subst -,_,$@-libs))
btrfs: $(objects) btrfs.o help.o $(cmds_objects) $(libs)
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs btrfs.o help.o $(cmds_objects) \
@ -115,19 +141,6 @@ btrfs.static: $(static_objects) btrfs.static.o help.static.o $(static_cmds_objec
$(Q)$(CC) $(STATIC_CFLAGS) -o btrfs.static btrfs.static.o help.static.o $(static_cmds_objects) \
$(static_objects) $(static_libbtrfs_objects) $(STATIC_LDFLAGS) $(STATIC_LIBS)
btrfs-calc-size: $(objects) $(libs) btrfs-calc-size.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-calc-size btrfs-calc-size.o $(objects) $(LDFLAGS) $(LIBS)
btrfs-find-root: $(objects) $(libs) btrfs-find-root.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-find-root btrfs-find-root.o $(objects) $(LDFLAGS) $(LIBS)
btrfs-find-root.static: $(static_objects) btrfs-find-root.static.o $(static_libbtrfs_objects)
@echo " [LD] $@"
$(Q)$(CC) $(STATIC_CFLAGS) -o btrfs-find-root.static btrfs-find-root.static.o $(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] $@"
@ -142,42 +155,10 @@ mkfs.btrfs.static: $(static_objects) mkfs.static.o $(static_libbtrfs_objects)
$(Q)$(CC) $(STATIC_CFLAGS) -o mkfs.btrfs.static mkfs.static.o $(static_objects) \
$(static_libbtrfs_objects) $(STATIC_LDFLAGS) $(STATIC_LIBS)
btrfs-debug-tree: $(objects) $(libs) btrfs-debug-tree.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-debug-tree $(objects) btrfs-debug-tree.o $(LDFLAGS) $(LIBS)
btrfs-zero-log: $(objects) $(libs) btrfs-zero-log.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-zero-log $(objects) btrfs-zero-log.o $(LDFLAGS) $(LIBS)
btrfs-show-super: $(objects) $(libs) btrfs-show-super.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-show-super $(objects) btrfs-show-super.o $(LDFLAGS) $(LIBS)
btrfs-select-super: $(objects) $(libs) btrfs-select-super.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-select-super $(objects) btrfs-select-super.o $(LDFLAGS) $(LIBS)
btrfstune: $(objects) $(libs) btrfstune.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfstune $(objects) btrfstune.o $(LDFLAGS) $(LIBS)
btrfs-map-logical: $(objects) $(libs) btrfs-map-logical.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-map-logical $(objects) btrfs-map-logical.o $(LDFLAGS) $(LIBS)
btrfs-corrupt-block: $(objects) $(libs) btrfs-corrupt-block.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-corrupt-block $(objects) btrfs-corrupt-block.o $(LDFLAGS) $(LIBS)
btrfs-image: $(objects) $(libs) btrfs-image.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-image $(objects) btrfs-image.o -lpthread -lz $(LDFLAGS) $(LIBS)
btrfs-crc: btrfs-crc.o $(libs)
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-crc btrfs-crc.o $(LDFLAGS) $(LIBS)
dir-test: $(objects) $(libs) dir-test.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o dir-test $(objects) dir-test.o $(LDFLAGS) $(LIBS)
@ -186,14 +167,6 @@ quick-test: $(objects) $(libs) quick-test.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o quick-test $(objects) quick-test.o $(LDFLAGS) $(LIBS)
btrfs-convert: $(objects) $(libs) btrfs-convert.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-convert $(objects) btrfs-convert.o -lext2fs -lcom_err $(LDFLAGS) $(LIBS)
btrfs-fragments: $(objects) $(libs) btrfs-fragments.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o btrfs-fragments $(objects) btrfs-fragments.o $(LDFLAGS) $(LIBS) -lgd -lpng -ljpeg -lfreetype
ioctl-test: $(objects) $(libs) ioctl-test.o
@echo " [LD] $@"
$(Q)$(CC) $(CFLAGS) -o ioctl-test $(objects) ioctl-test.o $(LDFLAGS) $(LIBS)