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e3324502a5
busybox/Makefile
Paul Fox e3324502a5 fix dependencies so that compressed usage gets rebuilt if 
a) include/usage.h is changed, and 
    b) after "make clean".
2006-07-06 20:00:43 +00:00

523 lines
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Makefile
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# Makefile for busybox
#
# Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
#
# Licensed under GPLv2, see the file LICENSE in this tarball for details.
#
# You shouldn't have to edit anything in this file for configuration
# purposes, try "make help" or read http://busybox.net/FAQ.html.
.PHONY: dummy subdirs release distclean clean config oldconfig menuconfig \
tags check test depend dep buildtree hosttools _all checkhelp \
sizes bloatcheck baseline objsizes
noconfig_targets := menuconfig config oldconfig randconfig hosttools \
defconfig allyesconfig allnoconfig allbareconfig \
clean distclean help \
release tags
nocheck_targets := clean distclean help release tags
# the toplevel sourcedir
ifndef top_srcdir
top_srcdir=$(CURDIR)
endif
# toplevel directory of the object-tree
ifndef top_builddir
top_builddir=$(CURDIR)
endif
export srctree=$(top_srcdir)
vpath %/Config.in $(srctree)
DIRS:=applets archival archival/libunarchive coreutils console-tools \
debianutils editors findutils init miscutils modutils networking \
networking/libiproute networking/udhcp procps loginutils shell \
sysklogd util-linux e2fsprogs libpwdgrp coreutils/libcoreutils libbb
SRC_DIRS:=$(patsubst %,$(top_srcdir)/%,$(DIRS))
# That's our default target when none is given on the command line
_all:
CONFIG_CONFIG_IN = $(top_srcdir)/Config.in
ifeq ($(BUILD_SRC),)
ifdef O
ifeq ("$(origin O)", "command line")
BUILD_OUTPUT := $(O)
top_builddir := $(O)
endif
else
# If no alternate output-dir was specified, we build in cwd
# We are using BUILD_OUTPUT nevertheless to make sure that we create
# Rules.mak and the toplevel Makefile, in case they don't exist.
BUILD_OUTPUT := $(top_builddir)
endif
# see if we are in verbose mode
BUILD_VERBOSE :=
ifdef V
ifeq ("$(origin V)", "command line")
BUILD_VERBOSE := $(V)
endif
endif
ifdef VERBOSE
ifeq ("$(origin VERBOSE)", "command line")
BUILD_VERBOSE := $(VERBOSE)
endif
endif
ifneq ($(strip $(BUILD_VERBOSE)),)
export BUILD_VERBOSE
CHECK_VERBOSE := -v
# ARFLAGS+=v
endif
ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
# pull in settings early
-include $(top_srcdir)/Rules.mak
endif
# All object directories.
OBJ_DIRS := $(DIRS)
all_tree := $(patsubst %,$(top_builddir)/%,$(OBJ_DIRS) scripts scripts/config include)
all_tree: $(all_tree)
$(all_tree):
@mkdir -p "$@"
ifneq ($(BUILD_OUTPUT),)
# Invoke a second make in the output directory, passing relevant variables
# Check that the output directory actually exists
saved-output := $(BUILD_OUTPUT)
BUILD_OUTPUT := $(shell cd $(BUILD_OUTPUT) && /bin/pwd)
$(if $(wildcard $(BUILD_OUTPUT)),, \
$(error output directory "$(saved-output)" does not exist))
.PHONY: $(MAKECMDGOALS)
$(filter-out _all,$(MAKECMDGOALS)) _all: $(BUILD_OUTPUT)/Rules.mak $(BUILD_OUTPUT)/Makefile all_tree
$(Q)$(MAKE) -C $(BUILD_OUTPUT) \
top_srcdir=$(top_srcdir) \
top_builddir=$(top_builddir) \
BUILD_SRC=$(top_srcdir) \
-f $(CURDIR)/Makefile $@
$(BUILD_OUTPUT)/Rules.mak:
@echo > $@
@echo top_srcdir=$(top_srcdir) >> $@
@echo top_builddir=$(BUILD_OUTPUT) >> $@
@echo include $(top_srcdir)/Rules.mak >> $@
$(BUILD_OUTPUT)/Makefile:
@echo > $@
@echo top_srcdir=$(top_srcdir) >> $@
@echo top_builddir=$(BUILD_OUTPUT) >> $@
@echo BUILD_SRC='$$(top_srcdir)' >> $@
@echo include '$$(BUILD_SRC)'/Makefile >> $@
# Leave processing to above invocation of make
skip-makefile := 1
endif # ifneq ($(BUILD_OUTPUT),)
endif # ifeq ($(BUILD_SRC),)
ifeq ($(skip-makefile),)
# 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.
scripts/config/Makefile: $(top_srcdir)/scripts/config/Makefile
cp $< $@
_all: all
help:
@echo 'Cleaning:'
@echo ' clean - delete temporary files created by build'
@echo ' distclean - delete all non-source files (including .config)'
@echo
@echo 'Build:'
@echo ' all - Executable and documentation'
@echo ' busybox - the swiss-army executable'
@echo ' doc - docs/BusyBox.{txt,html,1}'
@echo ' html - create html-based cross-reference'
@echo
@echo 'Configuration:'
@echo ' allnoconfig - disable all symbols in .config'
@echo ' allyesconfig - enable all symbols in .config (see defconfig)'
@echo ' allbareconfig - enable all applets without any sub-features'
@echo ' config - text based configurator (of last resort)'
@echo ' defconfig - set .config to largest generic configuration'
@echo ' menuconfig - interactive curses-based configurator'
@echo ' oldconfig - resolve any unresolved symbols in .config'
@echo ' hosttools - build sed for the host.'
@echo ' You can use these commands if the commands on the host'
@echo ' is unusable. Afterwards use it like:'
@echo ' make SED="$(top_builddir)/sed"'
@echo
@echo 'Installation:'
@echo ' install - install busybox into $(PREFIX)'
@echo ' uninstall'
@echo
@echo 'Development:'
@echo ' baseline - create busybox_old for bloatcheck.'
@echo ' bloatcheck - show size difference between old and new versions'
@echo ' check - run the test suite for all applets'
@echo ' checkhelp - check for missing help-entries in Config.in'
@echo ' randconfig - generate a random configuration'
@echo ' release - create a distribution tarball'
@echo ' sizes - show size of all enabled busybox symbols'
@echo ' objsizes - show size of each .o object built'
@echo
include $(top_srcdir)/Rules.mak
ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
# Default target if none was requested explicitly
all: menuconfig
# warn if no configuration exists and we are asked to build a non-config target
.config:
@echo ""
@echo "No $(top_builddir)/$@ found!"
@echo "Please refer to 'make help', section Configuration."
@echo ""
@exit 1
# configuration
# ---------------------------------------------------------------------------
scripts/config/conf: scripts/config/Makefile
$(Q)$(MAKE) -C scripts/config conf
-@if [ ! -f .config ] ; then \
touch .config; \
fi
scripts/config/mconf: scripts/config/Makefile
$(Q)$(MAKE) -C scripts/config ncurses conf mconf
-@if [ ! -f .config ] ; then \
touch .config; \
fi
menuconfig: scripts/config/mconf
@[ -f .config ] || $(MAKE) $(MAKEFLAGS) defconfig
@./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) > /dev/null
allnoconfig: scripts/config/conf
@./scripts/config/conf -n $(CONFIG_CONFIG_IN) > /dev/null
# defconfig is allyesconfig minus any features that are specialized enough
# or cause enough behavior change that the user really should switch them on
# manually if that's what they want. Sort of "maximum sane config".
defconfig: scripts/config/conf
@./scripts/config/conf -y $(CONFIG_CONFIG_IN) > /dev/null
@$(SED) -i -r -e "s/^(CONFIG_(DEBUG.*|STATIC|SELINUX|BUILD_(AT_ONCE|LIBBUSYBOX)|FEATURE_(DEVFS|FULL_LIBBUSYBOX|SHARED_BUSYBOX|MTAB_SUPPORT|CLEAN_UP|UDHCP_DEBUG)|INSTALL_NO_USR))=.*/# \1 is not set/" .config
@./scripts/config/conf -o $(CONFIG_CONFIG_IN) > /dev/null
allbareconfig: scripts/config/conf
@./scripts/config/conf -y $(CONFIG_CONFIG_IN) > /dev/null
@$(SED) -i -r -e "s/^(CONFIG_(DEBUG|STATIC|SELINUX|DEVFSD|NC_GAPING_SECURITY_HOLE|BUILD_AT_ONCE)).*/# \1 is not set/" .config
@$(SED) -i -e "/FEATURE/s/=.*//;/^[^#]/s/.*FEATURE.*/# \0 is not set/;" .config
@echo "CONFIG_FEATURE_BUFFERS_GO_ON_STACK=y" >> .config
@yes n | ./scripts/config/conf -o $(CONFIG_CONFIG_IN) > /dev/null
hosttools:
$(Q)cp .config .config.bak || noold=yea
$(Q)$(MAKE) CC="$(HOSTCC)" CFLAGS="$(HOSTCFLAGS) $(INCS)" allnoconfig
$(Q)mv .config .config.in
$(Q)(grep -v CONFIG_SED .config.in ; \
echo "CONFIG_SED=y" ; ) > .config
$(Q)$(MAKE) CC="$(HOSTCC)" CFLAGS="$(HOSTCFLAGS) $(INCS)" oldconfig include/bb_config.h
$(Q)$(MAKE) CC="$(HOSTCC)" CFLAGS="$(HOSTCFLAGS) $(INCS)" busybox
$(Q)[ -f .config.bak ] && mv .config.bak .config || rm .config
mv busybox sed
@echo "Now do: $(MAKE) SED=$(top_builddir)/sed <target>"
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, $(SRC_DIRS))
endif # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
-include $(top_builddir)/.config
-include $(top_builddir)/.depend
ifeq ($(strip $(CONFIG_BUILD_AT_ONCE)),y)
libraries-y:=
# Which parts of the internal libs are requested?
# Per default we only want what was actually selected.
# -a denotes all while -y denotes the selected ones.
ifeq ($(strip $(CONFIG_FEATURE_FULL_LIBBUSYBOX)),y)
LIBRARY_DEFINE:=$(LIBRARY_DEFINE-a)
LIBRARY_SRC :=$(LIBRARY_SRC-a)
else # CONFIG_FEATURE_FULL_LIBBUSYBOX
LIBRARY_DEFINE:=$(LIBRARY_DEFINE-y)
LIBRARY_SRC :=$(LIBRARY_SRC-y)
endif # CONFIG_FEATURE_FULL_LIBBUSYBOX
APPLET_SRC:=$(APPLET_SRC-y)
APPLETS_DEFINE:=$(APPLETS_DEFINE-y)
else # CONFIG_BUILD_AT_ONCE
# no --combine, build archives out of the individual .o
# This was the old way the binary was built.
libbusybox-obj:=archival/libunarchive/libunarchive.a \
networking/libiproute/libiproute.a \
libpwdgrp/libpwdgrp.a \
coreutils/libcoreutils/libcoreutils.a \
libbb/libbb.a
libbusybox-obj:=$(patsubst %,$(top_builddir)/%,$(libbusybox-obj))
ifeq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
# linking against libbusybox, so don't build the .a already contained in the .so
libraries-y:=$(filter-out $(libbusybox-obj),$(libraries-y))
endif # CONFIG_FEATURE_SHARED_BUSYBOX
endif # CONFIG_BUILD_AT_ONCE
ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
LD_LIBBUSYBOX:=libbusybox.so
LIBBUSYBOX_SONAME:=$(LD_LIBBUSYBOX).$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL_VERSION)
DO_INSTALL_LIBS:=$(LD_LIBBUSYBOX) \
$(LD_LIBBUSYBOX).$(MAJOR_VERSION) \
$(LD_LIBBUSYBOX).$(MAJOR_VERSION).$(MINOR_VERSION)
endif # CONFIG_BUILD_LIBBUSYBOX
ifeq ($(strip $(CONFIG_BUILD_AT_ONCE)),y)
ifneq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
# --combine but not linking against libbusybox, so compile all
BUSYBOX_SRC := $(LIBRARY_SRC)
BUSYBOX_DEFINE:= $(LIBRARY_DEFINE)
endif # !CONFIG_FEATURE_SHARED_BUSYBOX
$(LIBBUSYBOX_SONAME): $(LIBRARY_SRC)
else # CONFIG_BUILD_AT_ONCE
$(LIBBUSYBOX_SONAME): $(libbusybox-obj)
endif # CONFIG_BUILD_AT_ONCE
ifeq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
LDBUSYBOX:=-L$(top_builddir) -lbusybox
endif
ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
$(LIBBUSYBOX_SONAME):
ifndef MAJOR_VERSION
$(error MAJOR_VERSION needed for $@ is not defined)
endif
$(do_link.so) \
-Wl,-soname=$(LD_LIBBUSYBOX).$(MAJOR_VERSION) \
-Wl,-z,combreloc
@rm -f $(DO_INSTALL_LIBS)
@for i in $(DO_INSTALL_LIBS); do ln -s $(@) $$i ; done
$(do_strip)
endif # ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
busybox_unstripped: .depend $(LIBBUSYBOX_SONAME) $(BUSYBOX_SRC) $(APPLET_SRC) $(libraries-y)
$(do_link)
busybox: busybox_unstripped
$(Q)cp busybox_unstripped busybox
$(do_strip)
%.bflt: %_unstripped
$(do_elf2flt)
busybox.links: $(top_srcdir)/applets/busybox.mkll include/bb_config.h $(top_srcdir)/include/applets.h
$(Q)-$(SHELL) $^ >$@
install: $(top_srcdir)/applets/install.sh busybox busybox.links
$(Q)DO_INSTALL_LIBS="$(strip $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS))" \
$(SHELL) $< $(PREFIX) $(INSTALL_OPTS)
ifeq ($(strip $(CONFIG_FEATURE_SUID)),y)
@echo
@echo
@echo --------------------------------------------------
@echo You will probably need to make your busybox binary
@echo setuid root to ensure all configured applets will
@echo work properly.
@echo --------------------------------------------------
@echo
endif
uninstall: busybox.links
rm -f $(PREFIX)/bin/busybox
for i in `cat busybox.links` ; do rm -f $(PREFIX)$$i; done
ifneq ($(strip $(DO_INSTALL_LIBS)),n)
for i in $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS); do \
rm -f $(PREFIX)$$i; \
done
endif
check test: busybox
bindir=$(top_builddir) srcdir=$(top_srcdir)/testsuite SED="$(SED)" \
$(SHELL) $(top_srcdir)/testsuite/runtest $(CHECK_VERBOSE)
checkhelp:
$(Q)$(top_srcdir)/scripts/checkhelp.awk \
$(wildcard $(patsubst %,%/Config.in,$(SRC_DIRS) ./))
sizes: busybox_unstripped
$(NM) --size-sort $(<)
bloatcheck: busybox_old busybox_unstripped
@$(top_srcdir)/scripts/bloat-o-meter busybox_old busybox_unstripped
baseline: busybox_unstripped
@mv busybox_unstripped busybox_old
objsizes: busybox_unstripped
$(SHELL) $(top_srcdir)/scripts/objsizes
# Documentation Targets
doc: docs/busybox.pod docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html
docs/busybox.pod : $(top_srcdir)/docs/busybox_header.pod $(top_srcdir)/include/usage.h $(top_srcdir)/docs/busybox_footer.pod $(top_srcdir)/docs/autodocifier.pl
$(disp_doc)
$(Q)-mkdir -p docs
$(Q)-( cat $(top_srcdir)/docs/busybox_header.pod ; \
$(top_srcdir)/docs/autodocifier.pl $(top_srcdir)/include/usage.h ; \
cat $(top_srcdir)/docs/busybox_footer.pod ; ) > docs/busybox.pod
docs/BusyBox.txt: docs/busybox.pod
$(disp_doc)
$(Q)-mkdir -p docs
$(Q)-pod2text $< > $@
docs/BusyBox.1: docs/busybox.pod
$(disp_doc)
$(Q)-mkdir -p docs
$(Q)-pod2man --center=BusyBox --release="version $(VERSION)" \
$< > $@
docs/BusyBox.html: docs/busybox.net/BusyBox.html
$(disp_doc)
$(Q)-mkdir -p docs
$(Q)-rm -f docs/BusyBox.html
$(Q)-cp docs/busybox.net/BusyBox.html docs/BusyBox.html
docs/busybox.net/BusyBox.html: docs/busybox.pod
$(Q)-mkdir -p docs/busybox.net
$(Q)-pod2html --noindex $< > \
docs/busybox.net/BusyBox.html
$(Q)-rm -f pod2htm*
# The nifty new dependency stuff
scripts/bb_mkdep: $(top_srcdir)/scripts/bb_mkdep.c
$(do_link.h)
DEP_INCLUDES := include/bb_config.h
ifeq ($(strip $(CONFIG_BBCONFIG)),y)
DEP_INCLUDES += include/bbconfigopts.h
include/bbconfigopts.h: .config $(top_srcdir)/scripts/config/mkconfigs
$(disp_gen)
$(Q)$(top_srcdir)/scripts/config/mkconfigs > $@
endif
ifeq ($(strip $(CONFIG_FEATURE_COMPRESS_USAGE)),y)
USAGE_BIN:=scripts/usage
$(USAGE_BIN): $(top_srcdir)/scripts/usage.c .config \
$(top_srcdir)/include/usage.h
$(do_link.h)
DEP_INCLUDES += include/usage_compressed.h
include/usage_compressed.h: .config $(USAGE_BIN) \
$(top_srcdir)/scripts/usage_compressed
$(Q)SED="$(SED)" $(SHELL) $(top_srcdir)/scripts/usage_compressed \
"$(top_builddir)/scripts" > $@
endif # CONFIG_FEATURE_COMPRESS_USAGE
# workaround alleged bug in make-3.80, make-3.81
.NOTPARALLEL: .depend
depend dep: .depend
.depend: scripts/bb_mkdep $(USAGE_BIN) $(DEP_INCLUDES)
$(disp_gen)
$(Q)rm -f .depend
$(Q)mkdir -p include/config
$(Q)scripts/bb_mkdep -I $(top_srcdir)/include $(top_srcdir) > $@.tmp
$(Q)mv $@.tmp $@
include/bb_config.h: .config
@if [ ! -x $(top_builddir)/scripts/config/conf ] ; then \
$(MAKE) -C scripts/config conf; \
fi;
@$(top_builddir)/scripts/config/conf -o $(CONFIG_CONFIG_IN)
clean:
- $(MAKE) -C scripts/config $@
- rm -f docs/busybox.dvi docs/busybox.ps \
docs/busybox.pod docs/busybox.net/busybox.html \
docs/busybox pod2htm* *.gdb *.elf *~ core .*config.log \
docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html \
docs/busybox.net/BusyBox.html busybox.links \
libbusybox.so* \
.config.old busybox busybox_unstripped \
include/usage_compressed.h scripts/usage
- rm -r -f _install testsuite/links
- find . -name .\*.flags -o -name \*.o -o -name \*.om -o -name \*.syn \
-o -name \*.os -o -name \*.osm -o -name \*.a | xargs rm -f
distclean: clean
rm -f scripts/bb_mkdep scripts/usage
rm -r -f include/config include/config.h $(DEP_INCLUDES)
find . -name .depend'*' -print0 | xargs -0 rm -f
rm -f .hdepend
rm -f .config .config.old .config.cmd
release: distclean #doc
cd ..; \
rm -r -f $(PROG)-$(VERSION); \
cp -a busybox $(PROG)-$(VERSION); \
\
find $(PROG)-$(VERSION)/ -type d \
-name .svn \
-print \
-exec rm -r -f {} \; ; \
\
find $(PROG)-$(VERSION)/ -type f \
-name .\#* \
-print \
-exec rm -f {} \; ; \
\
tar -cvzf $(PROG)-$(VERSION).tar.gz $(PROG)-$(VERSION)/;
tags:
ctags -R .
# documentation, cross-reference
# Modern distributions already ship synopsis packages (e.g. debian)
# If you have an old distribution go to http://synopsis.fresco.org/
syn_tgt := $(wildcard $(patsubst %,%/*.c,$(SRC_DIRS)))
syn := $(patsubst %.c, %.syn, $(syn_tgt))
%.syn: %.c
synopsis -p C -l Comments.SSDFilter,Comments.Previous $(INCS) -Wp,verbose,debug,preprocess,cppflags="'$(CFLAGS) $(EXTRA_CFLAGS) $(LDFLAGS) $(PROG_CFLAGS) $(PROG_LDFLAGS) $(CFLAGS_COMBINE) $(APPLETS_DEFINE) $(BUSYBOX_DEFINE)'" -o $@ $<
html: $(syn)
synopsis -f HTML -Wf,title="'BusyBox Documentation'" -o $@ $^
endif # ifeq ($(skip-makefile),)
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