From e5cb128a95eafac47e755cb4b83beb4c6c6af57c Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Mon, 7 Jan 2013 14:24:35 -0800 Subject: btrfs-progs: libify some parts of btrfs-progs External software wanting to use the functionality provided by the btrfs send ioctl has a hard time doing so without replicating tons of work. Of particular interest are functions like btrfs_read_and_process_send_stream() and subvol_uuid_search(). As that functionality requires a bit more than just send-stream.c and send-utils.c we have to pull in some other parts of the progs package. This patch adds code to the Makefile and headers to create a library, libbtrfs which the btrfs command now links to. Signed-off-by: Mark Fasheh Signed-off-by: David Sterba --- Makefile | 78 ++++++++++++++++++++++++++++++++++++++++++---------------------- 1 file changed, 52 insertions(+), 26 deletions(-) (limited to 'Makefile') diff --git a/Makefile b/Makefile index b1bd7c25..94577449 100644 --- a/Makefile +++ b/Makefile @@ -1,16 +1,20 @@ CC = gcc LN = ln -AM_CFLAGS = -Wall -D_FILE_OFFSET_BITS=64 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 +AM_CFLAGS = -Wall -D_FILE_OFFSET_BITS=64 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -DBTRFS_FLAT_INCLUDES -fPIC 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 \ + inode-map.o extent-cache.o extent_io.o \ volumes.o utils.o btrfs-list.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 +libbtrfs_objects = send-stream.o send-utils.o rbtree.o btrfs-list.o crc32c.o +libbtrfs_headers = send-stream.h send-utils.h send.h rbtree.h btrfs-list.h \ + crc32c.h list.h kerncompat.h radix-tree.h extent-cache.h \ + extent_io.h ioctl.h ctree.h CHECKFLAGS= -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise \ -Wuninitialized -Wshadow -Wundef @@ -19,7 +23,10 @@ DEPFLAGS = -Wp,-MMD,$(@D)/.$(@F).d,-MT,$@ INSTALL = install prefix ?= /usr/local bindir = $(prefix)/bin -LIBS=-luuid -lblkid -lm -lz +lib_LIBS = -luuid -lblkid -lm -lz -L. +libdir ?= $(prefix)/lib +incdir = $(prefix)/include/btrfs +LIBS = $(lib_LIBS) -lbtrfs ifeq ("$(origin V)", "command line") BUILD_VERBOSE = $(V) @@ -50,6 +57,10 @@ STATIC_CFLAGS = $(CFLAGS) -ffunction-sections -fdata-sections STATIC_LDFLAGS = -static -Wl,--gc-sections STATIC_LIBS = $(LIBS) -lpthread +libs = libbtrfs.so.0.1 +lib_links = libbtrfs.so.0 libbtrfs.so +headers = $(libbtrfs_headers) + # make C=1 to enable sparse ifdef C check = sparse $(CHECKFLAGS) @@ -72,38 +83,47 @@ 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 +static: version.h $(libs) btrfs.static version.h: $(Q)bash version.sh -btrfs: $(objects) btrfs.o help.o $(cmds_objects) +$(libs): $(libbtrfs_objects) $(lib_links) send.h + @echo " [LD] $@" + $(Q)$(CC) $(CFLAGS) $(libbtrfs_objects) $(lib_LIBS) -shared -Wl,-soname,libbtrfs.so -o libbtrfs.so.0.1 + +$(lib_links): + @echo " [LN] $@" + $(Q)$(LN) -sf libbtrfs.so.0.1 libbtrfs.so.0 + $(Q)$(LN) -sf libbtrfs.so.0.1 libbtrfs.so + +btrfs: $(objects) btrfs.o help.o $(cmds_objects) $(libs) @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) +btrfs.static: $(static_objects) $(libs) 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 +calc-size: $(objects) $(libs) calc-size.o @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) -o calc-size calc-size.o $(objects) $(LDFLAGS) $(LIBS) -btrfs-find-root: $(objects) find-root.o +btrfs-find-root: $(objects) $(libs) find-root.o @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) -o btrfs-find-root find-root.o $(objects) $(LDFLAGS) $(LIBS) -btrfsctl: $(objects) btrfsctl.o +btrfsctl: $(objects) $(libs) btrfsctl.o @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) -o btrfsctl btrfsctl.o $(objects) $(LDFLAGS) $(LIBS) -btrfs-vol: $(objects) btrfs-vol.o +btrfs-vol: $(objects) $(libs) btrfs-vol.o @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) -o btrfs-vol btrfs-vol.o $(objects) $(LDFLAGS) $(LIBS) -btrfs-show: $(objects) btrfs-show.o +btrfs-show: $(objects) $(libs) btrfs-show.o @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) -o btrfs-show btrfs-show.o $(objects) $(LDFLAGS) $(LIBS) @@ -112,55 +132,55 @@ btrfsck: btrfs @echo " [LN] $@" $(Q)$(LN) -f btrfs btrfsck -mkfs.btrfs: $(objects) mkfs.o +mkfs.btrfs: $(objects) $(libs) mkfs.o @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) -o mkfs.btrfs $(objects) mkfs.o $(LDFLAGS) $(LIBS) -lblkid -btrfs-debug-tree: $(objects) debug-tree.o +btrfs-debug-tree: $(objects) $(libs) 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 +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) btrfs-show-super.o +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) btrfs-select-super.o +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) btrfstune.o +btrfstune: $(objects) $(libs) btrfstune.o @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) -o btrfstune $(objects) btrfstune.o $(LDFLAGS) $(LIBS) -btrfs-map-logical: $(objects) btrfs-map-logical.o +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) btrfs-corrupt-block.o +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) btrfs-image.o +btrfs-image: $(objects) $(libs) 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 +dir-test: $(objects) $(libs) dir-test.o @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) -o dir-test $(objects) dir-test.o $(LDFLAGS) $(LIBS) -quick-test: $(objects) quick-test.o +quick-test: $(objects) $(libs) quick-test.o @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) -o quick-test $(objects) quick-test.o $(LDFLAGS) $(LIBS) -btrfs-convert: $(objects) convert.o +btrfs-convert: $(objects) $(libs) convert.o @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) -o btrfs-convert $(objects) convert.o -lext2fs -lcom_err $(LDFLAGS) $(LIBS) -ioctl-test: $(objects) ioctl-test.o +ioctl-test: $(objects) $(libs) ioctl-test.o @echo " [LD] $@" $(Q)$(CC) $(CFLAGS) -o ioctl-test $(objects) ioctl-test.o $(LDFLAGS) $(LIBS) @@ -178,11 +198,17 @@ 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 + version.h \ + $(libs) $(lib_links) $(Q)$(MAKE) $(MAKEOPTS) -C man $@ -install: $(progs) install-man +install: $(libs) $(progs) install-man $(INSTALL) -m755 -d $(DESTDIR)$(bindir) $(INSTALL) $(progs) $(DESTDIR)$(bindir) + $(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) -include .*.d -- cgit v1.2.3