diff options
| -rw-r--r-- | INSTALL | 48 | ||||
| -rw-r--r-- | Makefile | 145 | ||||
| -rw-r--r-- | README | 26 | ||||
| -rw-r--r-- | Rules.mak | 18 | ||||
| -rw-r--r-- | e2fsprogs/Makefile | 2 | ||||
| -rw-r--r-- | e2fsprogs/Makefile.in | 16 |
6 files changed, 149 insertions, 106 deletions
@@ -1,14 +1,50 @@ +Building: +========= + +You will usually build in the source-tree. + +Alternatively you can build out-of-tree to have the object files separated +from the source. This allows for building several different configurations +from the same set of sources. + +A) Building in the source-tree: +------------------------------- + 1) Run 'make config' or 'make menuconfig' and select the functionality that you wish to enable. 2) Run 'make' -3) Go get a drink of water, drink a soda, visit the bathroom, - or whatever while it compiles. It doesn't take very - long to compile, so you don't really need to waste too - much time waiting... - -4) Run 'make install' or 'make PREFIX=/target install' to +3) Run 'make install' or 'make PREFIX=/target install' to install busybox and all the needed links. Some people will prefer to install using hardlinks and will instead want to run 'make install-hardlinks'.... + +B) Building out-of-tree: +------------------------ + +1) make the directory to hold the object files and chdir to it: + 'mkdir /tmp/bb ; cd /tmp/bb' + Then prepare the config giving the full path to the source in top_srcdir: + make top_srcdir=/path/busybox -f /path/busybox/Makefile O=/tmp/b allyesconfig + + Note that O=$(pwd) is the default if no O= was specified. + + You now have a buildable tree in $O and can run 'make' without the need + to specify any paths. + + Proceed with step #A2 above. + + +Installation: +============= + +After the build is complete, a busybox.links file is generated. This is +used by 'make install' to create symlinks to the BusyBox binary for all +compiled in functions. By default, 'make install' will place the symlink +forest into `pwd`/_install unless you have defined the PREFIX environment +variable (i.e., 'make PREFIX=/tmp/foo install') + +If you wish to install hard links, rather than symlinks, you can use +'make PREFIX=/tmp/foo install-hardlinks' instead. + @@ -24,8 +24,6 @@ endif export srctree=$(top_srcdir) vpath %/Config.in $(srctree) -include $(top_srcdir)/Rules.mak - DIRS:=applets archival archival/libunarchive coreutils console-tools \ debianutils editors findutils init miscutils modutils networking \ networking/libiproute networking/udhcp procps loginutils shell \ @@ -33,28 +31,36 @@ DIRS:=applets archival archival/libunarchive coreutils console-tools \ SRC_DIRS:=$(patsubst %,$(top_srcdir)/%,$(DIRS)) -ifeq ($(strip $(CONFIG_SELINUX)),y) -LIBRARIES += -lselinux -endif +# That's our default target when none is given on the command line +.PHONY: _all +_all: + +# All object directories. +OBJ_DIRS = scripts/config include $(DIRS) +$(OBJ_DIRS): + mkdir -p "$(patsubst %,$(top_builddir)/%,$@)" + +scripts/config/Makefile: $(top_srcdir)/scripts/config/Makefile + cp -v $< $@ + +include $(top_srcdir)/Rules.mak CONFIG_CONFIG_IN = $(top_srcdir)/sysdeps/$(TARGET_OS)/Config.in CONFIG_DEFCONFIG = $(top_srcdir)/sysdeps/$(TARGET_OS)/defconfig -ALL_DIRS:= $(DIRS) scripts/config -ALL_MAKEFILES:=$(patsubst %,%/Makefile,$(ALL_DIRS)) - ifeq ($(KBUILD_SRC),) ifdef O ifeq ("$(origin O)", "command line") KBUILD_OUTPUT := $(O) endif +else +# If no alternate output-dir was specified, we build in cwd +# We are using KBUILD_OUTPUT nevertheless to make sure that we create +# Rules.mak and the toplevel Makefile, in case they don't exist. + KBUILD_OUTPUT := $(top_builddir) endif -# That's our default target when none is given on the command line -.PHONY: _all -_all: - ifneq ($(KBUILD_OUTPUT),) # Invoke a second make in the output directory, passing relevant variables # check that the output directory actually exists @@ -63,24 +69,29 @@ KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd) $(if $(wildcard $(KBUILD_OUTPUT)),, \ $(error output directory "$(saved-output)" does not exist)) +# We only need a copy of the Makefile for the config targets and reuse +# the rest from the source directory, i.e. we do not cp ALL_MAKEFILES. +all_tree: $(OBJ_DIRS) $(KBUILD_OUTPUT)/Rules.mak $(KBUILD_OUTPUT)/Makefile scripts/config/Makefile + .PHONY: $(MAKECMDGOALS) -$(filter-out _all,$(MAKECMDGOALS)) _all: $(KBUILD_OUTPUT)/Rules.mak $(KBUILD_OUTPUT)/Makefile +$(filter-out _all,$(MAKECMDGOALS)) _all: $(KBUILD_OUTPUT)/Rules.mak $(KBUILD_OUTPUT)/Makefile all_tree +#all: $(MAKE) -C $(KBUILD_OUTPUT) \ - top_srcdir=$(CURDIR) \ - top_builddir=$(KBUILD_OUTPUT) \ - KBUILD_SRC=$(CURDIR) \ + top_srcdir=$(top_srcdir) \ + top_builddir=$(top_builddir) \ + KBUILD_SRC=$(top_srcdir) \ -f $(CURDIR)/Makefile $@ $(KBUILD_OUTPUT)/Rules.mak: @echo > $@ - @echo top_srcdir=$(CURDIR) >> $@ + @echo top_srcdir=$(top_srcdir) >> $@ @echo top_builddir=$(KBUILD_OUTPUT) >> $@ @echo include $(top_srcdir)/Rules.mak >> $@ $(KBUILD_OUTPUT)/Makefile: @echo > $@ - @echo top_srcdir=$(CURDIR) >> $@ + @echo top_srcdir=$(top_srcdir) >> $@ @echo top_builddir=$(KBUILD_OUTPUT) >> $@ @echo KBUILD_SRC='$$(top_srcdir)' >> $@ @echo include '$$(KBUILD_SRC)'/Makefile >> $@ @@ -124,21 +135,61 @@ help: @echo ' sizes - show size of all enabled busybox symbols' @echo -ifeq ($(strip $(HAVE_DOT_CONFIG)),y) -all: busybox busybox.links doc +ifneq ($(strip $(HAVE_DOT_CONFIG)),y) + +all: menuconfig -all_tree: $(ALL_MAKEFILES) +# configuration +# --------------------------------------------------------------------------- -$(ALL_MAKEFILES): %/Makefile: $(top_srcdir)/%/Makefile - [ -d $(@D) ] || mkdir -p $(@D); cp $< $@ +scripts/config/conf: scripts/config/Makefile + $(MAKE) -C scripts/config conf + -@if [ ! -f .config ] ; then \ + cp $(CONFIG_DEFCONFIG) .config; \ + fi + +scripts/config/mconf: scripts/config/Makefile + $(MAKE) -C scripts/config ncurses conf mconf + -@if [ ! -f .config ] ; then \ + cp $(CONFIG_DEFCONFIG) .config; \ + fi + +menuconfig: scripts/config/mconf + @./scripts/config/mconf $(CONFIG_CONFIG_IN) + +config: scripts/config/conf + @./scripts/config/conf $(CONFIG_CONFIG_IN) + +oldconfig: scripts/config/conf + @./scripts/config/conf -o $(CONFIG_CONFIG_IN) + +randconfig: scripts/config/conf + @./scripts/config/conf -r $(CONFIG_CONFIG_IN) + +allyesconfig: scripts/config/conf + @./scripts/config/conf -y $(CONFIG_CONFIG_IN) + sed -i -r -e "s/^(CONFIG_DEBUG|USING_CROSS_COMPILER|CONFIG_STATIC|CONFIG_SELINUX).*/# \1 is not set/" .config + @./scripts/config/conf -o $(CONFIG_CONFIG_IN) + +allnoconfig: scripts/config/conf + @./scripts/config/conf -n $(CONFIG_CONFIG_IN) + +defconfig: scripts/config/conf + @./scripts/config/conf -d $(CONFIG_CONFIG_IN) + +else # ifneq ($(strip $(HAVE_DOT_CONFIG)),y) + +all: busybox busybox.links doc # In this section, we need .config -include $(top_builddir)/.config.cmd include $(patsubst %,%/Makefile.in, $(SRC_DIRS)) -include $(top_builddir)/.depend -busybox: $(ALL_MAKEFILES) .depend $(libraries-y) +endif # ifneq ($(strip $(HAVE_DOT_CONFIG)),y) + +busybox: .depend $(libraries-y) $(CC) $(EXTRA_CFLAGS) $(LDFLAGS) -o $@ -Wl,--start-group $(libraries-y) $(LIBRARIES) -Wl,--end-group $(STRIPCMD) $@ @@ -217,7 +268,7 @@ ifeq ($(strip $(CONFIG_BBCONFIG)),y) DEP_INCLUDES += include/bbconfigopts.h include/bbconfigopts.h: .config - scripts/config/mkconfigs > $@ + $(top_srcdir)/scripts/config/mkconfigs > $@ endif depend dep $(top_builddir)/.depend: .depend @@ -245,48 +296,6 @@ finished2: $(SECHO) Finished installing... $(SECHO) -else # ifeq ($(strip $(HAVE_DOT_CONFIG)),y) - -all: menuconfig - -# configuration -# --------------------------------------------------------------------------- - -scripts/config/conf: scripts/config/Makefile $(top_srcdir)/Rules.mak - $(MAKE) -C scripts/config conf - -@if [ ! -f .config ] ; then \ - cp $(CONFIG_DEFCONFIG) .config; \ - fi - -scripts/config/mconf: scripts/config/Makefile $(top_srcdir)/Rules.mak - $(MAKE) -C scripts/config ncurses conf mconf - -@if [ ! -f .config ] ; then \ - cp $(CONFIG_DEFCONFIG) .config; \ - fi - -menuconfig: scripts/config/mconf - @./scripts/config/mconf $(CONFIG_CONFIG_IN) - -config: scripts/config/conf - @./scripts/config/conf $(CONFIG_CONFIG_IN) - -oldconfig: scripts/config/conf - @./scripts/config/conf -o $(CONFIG_CONFIG_IN) - -randconfig: scripts/config/conf - @./scripts/config/conf -r $(CONFIG_CONFIG_IN) - -allyesconfig: scripts/config/conf - @./scripts/config/conf -y $(CONFIG_CONFIG_IN) - sed -i -r -e "s/^(CONFIG_DEBUG|USING_CROSS_COMPILER|CONFIG_STATIC|CONFIG_SELINUX).*/# \1 is not set/" .config - @./scripts/config/conf -o $(CONFIG_CONFIG_IN) - -allnoconfig: scripts/config/conf - @./scripts/config/conf -n $(CONFIG_CONFIG_IN) - -defconfig: scripts/config/conf - @./scripts/config/conf -d $(CONFIG_CONFIG_IN) - clean: - $(MAKE) -C scripts/config $@ - rm -f docs/busybox.dvi docs/busybox.ps \ @@ -327,8 +336,6 @@ tags: ctags -R . -endif # ifeq ($(strip $(HAVE_DOT_CONFIG)),y) - endif # ifeq ($(skip-makefile),) .PHONY: dummy subdirs release distclean clean config oldconfig \ @@ -1,4 +1,5 @@ Please see the LICENSE file for details on copying and usage. +Please refer to the INSTALL file for instructions on how to build. BusyBox combines tiny versions of many common UNIX utilities into a single small executable. It provides minimalist replacements for most of the utilities @@ -15,17 +16,8 @@ BusyBox provides a fairly complete POSIX environment for any small or embedded system. BusyBox is extremely configurable. This allows you to include only the -components you need, thereby reducing binary size. Run 'make config' or -'make menuconfig' to select the functionality that you wish to enable. - -After the build is complete, a busybox.links file is generated. This is -used by 'make install' to create symlinks to the BusyBox binary for all -compiled in functions. By default, 'make install' will place the symlink -forest into `pwd`/_install unless you have defined the PREFIX environment -variable (i.e., 'make PREFIX=/tmp/foo install') - -If you wish to install hard links, rather than symlinks, you can use -'make PREFIX=/tmp/foo install-hardlinks' instead. +components you need, thereby reducing binary size. See the file INSTALL +for details. ---------------- @@ -110,14 +102,14 @@ be downloaded from CVS: -BusyBox now has its own publicly browsable CVS tree at: - http://busybox.net/cgi-bin/cvsweb/busybox/ +BusyBox now has its own publicly browsable SVN tree at: + http://busybox.net/cgi-bin/viewcvs.cgi/trunk/busybox/ -Anonymous CVS access is available. For instructions, check out: - http://busybox.net/cvs_anon.html +Anonymous SVN access is available. For instructions, check out: + http://busybox.net/subversion.html -For those that are actively contributing there is even CVS write access: - http://busybox.net/cvs_write.html +For those that are actively contributing there is even SVN write access: + http://busybox.net/developer.html ---------------- @@ -27,7 +27,7 @@ BUILDTIME := $(shell TZ=UTC date -u "+%Y.%m.%d-%H:%M%z") # With a modern GNU make(1) (highly recommended, that's what all the # developers use), all of the following configuration values can be # overridden at the command line. For example: -# make CROSS=powerpc-linux- BB_SRC_DIR=$HOME/busybox PREFIX=/mnt/app +# make CROSS=powerpc-linux- top_srcdir="$HOME/busybox" PREFIX=/mnt/app #-------------------------------------------------------- # If you are running a cross compiler, you will want to set 'CROSS' @@ -60,11 +60,6 @@ LC_ALL:= C # For optimization overrides, it's better still to set OPTIMIZATION. CFLAGS_EXTRA=$(subst ",, $(strip $(EXTRA_CFLAGS_OPTIONS))) -# If you have a "pristine" source directory, point BB_SRC_DIR to it. -# Experimental and incomplete; tell the mailing list -# <busybox@busybox.net> if you do or don't like it so far. -BB_SRC_DIR= - # To compile vs some other alternative libc, you may need to use/adjust # the following lines to meet your needs... # @@ -176,19 +171,20 @@ ifeq ($(strip $(CONFIG_STATIC)),y) LDFLAGS += --static endif +ifeq ($(strip $(CONFIG_SELINUX)),y) + LIBRARIES += -lselinux +endif + ifeq ($(strip $(PREFIX)),) PREFIX:=`pwd`/_install endif # Additional complications due to support for pristine source dir. # Include files in the build directory should take precedence over -# the copy in BB_SRC_DIR, both during the compilation phase and the +# the copy in top_srcdir, both during the compilation phase and the # shell script that finds the list of object files. # Work in progress by <ldoolitt@recycle.lbl.gov>. -# -ifneq ($(strip $(BB_SRC_DIR)),) - VPATH:=$(BB_SRC_DIR) -endif + OBJECTS:=$(APPLET_SOURCES:.c=.o) busybox.o usage.o applets.o CFLAGS += $(CROSS_CFLAGS) diff --git a/e2fsprogs/Makefile b/e2fsprogs/Makefile index a4b0b78..e6299e6 100644 --- a/e2fsprogs/Makefile +++ b/e2fsprogs/Makefile @@ -8,8 +8,8 @@ top_srcdir=.. top_builddir=.. srcdir=$(top_srcdir)/e2fsprogs E2FSPROGS_DIR:=./ -include $(top_builddir)/Rules.mak include $(top_builddir)/.config +include $(top_builddir)/Rules.mak include Makefile.in all: $(libraries-y) -include $(top_builddir)/.depend diff --git a/e2fsprogs/Makefile.in b/e2fsprogs/Makefile.in index 0353a16..46a684e 100644 --- a/e2fsprogs/Makefile.in +++ b/e2fsprogs/Makefile.in @@ -39,7 +39,18 @@ UUID_SRC := compare.c gen_uuid.c pack.c parse.c unpack.c unparse.c \ UUID_SRCS := $(patsubst %,uuid/%, $(UUID_SRC)) UUID_OBJS := $(patsubst %.c,%.o, $(UUID_SRCS)) -E2FSPROGS-:= +# for building out-of-tree we need to make sure that the directories to hold +# the object tree are created +$(patsubst %,$(E2FSPROGS_DIR)/%, blkid e2fsck e2p ext2fs uuid): + mkdir -p "$@" + +$(patsubst %,$(E2FSPROGS_DIR)/%, $(BLKID_OBJS)):$(E2FSPROGS_DIR)/blkid +$(patsubst %,$(E2FSPROGS_DIR)/%, $(E2FSCK_OBJS)):$(E2FSPROGS_DIR)/e2fsck +$(patsubst %,$(E2FSPROGS_DIR)/%, $(E2P_OBJS)):$(E2FSPROGS_DIR)/e2p +$(patsubst %,$(E2FSPROGS_DIR)/%, $(EXT2FS_OBJS)):$(E2FSPROGS_DIR)/ext2fs +$(patsubst %,$(E2FSPROGS_DIR)/%, $(UUID_OBJS)):$(E2FSPROGS_DIR)/uuid + +E2FSPROGS-y:= E2FSPROGS-$(CONFIG_CHATTR) += chattr.o $(E2P_OBJS) E2FSPROGS-$(CONFIG_E2FSCK) += e2fsck.o util.o $(BLKID_OBJS) $(EXT2FS_OBJS) $(UUID_OBJS) E2FSPROGS-$(CONFIG_FSCK) += fsck.o base_device.o $(BLKID_OBJS) $(UUID_OBJS) @@ -53,5 +64,6 @@ libraries-y+=$(E2FSPROGS_DIR)/$(E2FSPROGS_AR) $(E2FSPROGS_DIR)/$(E2FSPROGS_AR): $(patsubst %,$(E2FSPROGS_DIR)/%, $(E2FSPROGS-y)) $(AR) $(ARFLAGS) $@ $(patsubst %,$(E2FSPROGS_DIR)/%, $(E2FSPROGS-y)) -$(E2FSPROGS_DIR)/%.o: $(E2FSPROGS_DIR)/%.c +$(E2FSPROGS_DIR)/%.o: $(subst $(top_builddir),$(top_srcdir),$(E2FSPROGS_DIR)/%.c) $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(E2FSPROGS_CFLAGS) -c -o $@ $< + |