busybox/Makefile
Bernhard Reutner-Fischer 08c5a1789b - Simplify the prereq and add more documentation.
- Fix regex for allyesconfig.
2006-01-25 15:58:04 +00:00

469 lines
14 KiB
Makefile

# 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 need to mess with anything beyond this point...
#--------------------------------------------------------------
noconfig_targets := menuconfig config oldconfig randconfig \
defconfig allyesconfig allnoconfig allbareconfig \
clean distclean \
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
.PHONY: _all
_all:
CONFIG_CONFIG_IN = $(top_srcdir)/Config.in
CONFIG_DEFCONFIG = $(top_srcdir)/defconfig
ifeq ($(KBUILD_SRC),)
ifdef O
ifeq ("$(origin O)", "command line")
KBUILD_OUTPUT := $(O)
top_builddir := $(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 := $(top_builddir)
endif
ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
# pull in OS specific commands like cp, mkdir, etc. 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 ($(KBUILD_OUTPUT),)
# Invoke a second make in the output directory, passing relevant variables
# Check that the output directory actually exists
saved-output := $(KBUILD_OUTPUT)
KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd)
$(if $(wildcard $(KBUILD_OUTPUT)),, \
$(error output directory "$(saved-output)" does not exist))
.PHONY: $(MAKECMDGOALS)
$(filter-out _all,$(MAKECMDGOALS)) _all: $(KBUILD_OUTPUT)/Rules.mak $(KBUILD_OUTPUT)/Makefile all_tree
$(MAKE) -C $(KBUILD_OUTPUT) \
top_srcdir=$(top_srcdir) \
top_builddir=$(top_builddir) \
KBUILD_SRC=$(top_srcdir) \
-f $(CURDIR)/Makefile $@
$(KBUILD_OUTPUT)/Rules.mak:
@echo > $@
@echo top_srcdir=$(top_srcdir) >> $@
@echo top_builddir=$(KBUILD_OUTPUT) >> $@
@echo include $(top_srcdir)/Rules.mak >> $@
$(KBUILD_OUTPUT)/Makefile:
@echo > $@
@echo top_srcdir=$(top_srcdir) >> $@
@echo top_builddir=$(KBUILD_OUTPUT) >> $@
@echo KBUILD_SRC='$$(top_srcdir)' >> $@
@echo include '$$(KBUILD_SRC)'/Makefile >> $@
# Leave processing to above invocation of make
skip-makefile := 1
endif # ifneq ($(KBUILD_OUTPUT),)
endif # ifeq ($(KBUILD_SRC),)
ifeq ($(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
@echo 'Configuration:'
@echo ' allnoconfig - disable all symbols in .config'
@echo ' allyesconfig - enable (almost) all symbols in .config'
@echo ' allbareconfig - enable all basics without any features'
@echo ' config - text based configurator (of last resort)'
@echo ' defconfig - set .config to defaults'
@echo ' menuconfig - interactive curses-based configurator'
@echo ' oldconfig - resolve any unresolved symbols in .config'
@echo
@echo 'Installation:'
@echo ' install - install busybox into $prefix'
@echo ' uninstall'
@echo
@echo 'Development:'
@echo ' check - run the test suite for all applets'
@echo ' randconfig - generate a random configuration'
@echo ' release - create a distribution tarball'
@echo ' sizes - show size of all enabled busybox symbols'
@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
$(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/^(USING_CROSS_COMPILER|CONFIG_(DEBUG|STATIC|SELINUX|FEATURE_DEVFS|BUILD_AT_ONCE)).*/# \1 is not set/" .config
echo "CONFIG_FEATURE_SHARED_BUSYBOX=y" >> .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)
allbareconfig: scripts/config/conf
@./scripts/config/conf -y $(CONFIG_CONFIG_IN)
@sed -i -r -e "s/^(USING_CROSS_COMPILER|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
@./scripts/config/conf -o $(CONFIG_CONFIG_IN)
else # ifneq ($(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, $(SRC_DIRS))
endif # ifneq ($(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).$(MINOR_VERSION)
ifeq ($(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): $(libbusybox-obj)
endif # CONFIG_BUILD_AT_ONCE
endif # CONFIG_BUILD_LIBBUSYBOX
ifeq ($(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
$(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(LDFLAGS) -shared \
$(CFLAGS_PIC) \
-Wl,-soname=$(LD_LIBBUSYBOX).$(MAJOR_VERSION) \
-Wl,--enable-new-dtags -Wl,--reduce-memory-overheads \
-Wl,-z,combreloc -Wl,-shared -Wl,--as-needed -Wl,--warn-shared-textrel \
-o $(@) \
-Wl,--start-group -Wl,--whole-archive \
$(LIBRARY_DEFINE) $(^) \
-Wl,--no-whole-archive -Wl,--end-group
$(RM_F) $(DO_INSTALL_LIBS)
for i in $(DO_INSTALL_LIBS); do $(LN_S) -v $(@) $$i ; done
$(STRIPCMD) $@
endif # ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
busybox: .depend $(LIBBUSYBOX_SONAME) $(BUSYBOX_SRC) $(libraries-y)
$(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(PROG_CFLAGS) $(LDFLAGS) \
-o $@ -Wl,--start-group \
$(APPLETS_DEFINE) $(APPLET_SRC) \
$(BUSYBOX_DEFINE) $(BUSYBOX_SRC) $(libraries-y) \
$(LDBUSYBOX) $(LIBRARIES) \
-Wl,--end-group
$(STRIPCMD) $@
busybox.links: $(top_srcdir)/applets/busybox.mkll include/bb_config.h $(top_srcdir)/include/applets.h
- $(SHELL) $^ >$@
install: $(top_srcdir)/applets/install.sh busybox busybox.links
DO_INSTALL_LIBS="$(strip $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS))" \
$(SHELL) $< $(PREFIX) $(INSTALL_OPTS)
ifeq ($(strip $(CONFIG_FEATURE_SUID)),y)
@echo
@echo
@echo --------------------------------------------------
@echo You will probably need to make your busybox binary
@echo setuid root to ensure all configured applets will
@echo work properly.
@echo --------------------------------------------------
@echo
endif
uninstall: busybox.links
$(RM_F) $(PREFIX)/bin/busybox
for i in `cat busybox.links` ; do $(RM_F) $(PREFIX)$$i; done
ifneq ($(strip $(DO_INSTALL_LIBS)),n)
for i in $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS); do \
$(RM_F) $(PREFIX)$$i; \
done
endif
# see if we are in verbose mode
KBUILD_VERBOSE :=
ifdef V
ifeq ("$(origin V)", "command line")
KBUILD_VERBOSE := $(V)
endif
endif
ifneq ($(strip $(KBUILD_VERBOSE)),)
CHECK_VERBOSE := -v
# ARFLAGS+=v
endif
check test: busybox
bindir=$(top_builddir) srcdir=$(top_srcdir)/testsuite \
$(top_srcdir)/testsuite/runtest $(CHECK_VERBOSE)
sizes:
-$(RM_F) busybox
$(MAKE) top_srcdir=$(top_srcdir) top_builddir=$(top_builddir) \
-f $(top_srcdir)/Makefile STRIPCMD=/bin/true
$(NM) --size-sort busybox
# 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
-mkdir -p docs
- ( 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
$(SECHO)
$(SECHO) BusyBox Documentation
$(SECHO)
-mkdir -p docs
-pod2text $< > $@
docs/BusyBox.1: docs/busybox.pod
- mkdir -p docs
- pod2man --center=BusyBox --release="version $(VERSION)" \
$< > $@
docs/BusyBox.html: docs/busybox.net/BusyBox.html
- mkdir -p docs
-@ $(RM_F) docs/BusyBox.html
-@ cp docs/busybox.net/BusyBox.html docs/BusyBox.html
docs/busybox.net/BusyBox.html: docs/busybox.pod
-@ mkdir -p docs/busybox.net
- pod2html --noindex $< > \
docs/busybox.net/BusyBox.html
-@ $(RM_F) pod2htm*
# The nifty new buildsystem stuff
scripts/bb_mkdep: $(top_srcdir)/scripts/bb_mkdep.c
$(HOSTCC) $(HOSTCFLAGS) -o $@ $<
DEP_INCLUDES := include/config.h include/bb_config.h include/_usage.h
ifeq ($(strip $(CONFIG_BBCONFIG)),y)
DEP_INCLUDES += include/bbconfigopts.h
include/bbconfigopts.h: .config
$(top_srcdir)/scripts/config/mkconfigs > $@
endif
depend dep: .depend
.depend: scripts/bb_mkdep $(DEP_INCLUDES)
@$(RM_F) .depend
@mkdir -p include/config
scripts/bb_mkdep -c include/config.h -c include/bb_config.h \
-I $(top_srcdir)/include $(top_srcdir) > $@.tmp
mv $@.tmp $@
include/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)
include/bb_config.h: include/config.h
@echo -e "#ifndef BB_CONFIG_H\n#define BB_CONFIG_H" > $@
@sed -e 's/#undef CONFIG_\(.*\)/#define ENABLE_\1 0/' \
-e 's/#define CONFIG_\(.*\)/#define CONFIG_\1\n#define ENABLE_\1/' \
< $< >> $@
@echo "#endif" >> $@
# Create macros for usage.h, e.g.:
#if ENABLE_HAVE_DOT_CONFIG
#define USAGE_HAVE_DOT_CONFIG(a) a
#else
#define USAGE_HAVE_DOT_CONFIG(a)
#endif
include/_usage.h: .config
awk '/CONFIG|BB_APPLET/{gsub("#[[:space:]]*|=y|.*CONFIG_|.*BB_APPLET_","");if(!/=/){print("#if ENABLE_"$$1"\n#define USAGE_"$$1"(a) a\n#else\n#define USAGE_"$$1"(a)\n#endif");}}' $(<) > $(@)
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 \
$(DO_INSTALL_LIBS) $(LIBBUSYBOX_SONAME) \
.config.old busybox
- rm -rf _install testsuite/links
- find . -name .\*.flags -exec $(RM_F) {} \;
- find . -name \*.o -exec $(RM_F) {} \;
- find . -name \*.a -exec $(RM_F) {} \;
- find . -name \*.so -exec $(RM_F) {} \;
distclean: clean
- $(RM_F) scripts/bb_mkdep
- rm -rf include/config $(DEP_INCLUDES)
- find . -name .depend -exec $(RM_F) {} \;
$(RM_F) .config .config.old .config.cmd
release: distclean #doc
cd ..; \
rm -rf $(PROG)-$(VERSION); \
cp -a busybox $(PROG)-$(VERSION); \
\
find $(PROG)-$(VERSION)/ -type d \
-name .svn \
-print \
-exec rm -rf {} \; ; \
\
find $(PROG)-$(VERSION)/ -type f \
-name .\#* \
-print \
-exec $(RM_F) {} \; ; \
\
tar -cvzf $(PROG)-$(VERSION).tar.gz $(PROG)-$(VERSION)/;
tags:
ctags -R .
endif # ifeq ($(skip-makefile),)
.PHONY: dummy subdirs release distclean clean config oldconfig \
menuconfig tags check test depend dep buildtree