busybox/Makefile
Rob Landley 31e3610c4b Cleanup from Paul Fox. One find piped to xargs is faster/simpler than
lots of finds doing individual -exec rm.
2006-03-09 22:01:05 +00:00

481 lines
15 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
# make-3.79.1 didn't support MAKEFILE_LIST
# for building out-of-tree, users of make-3.79.1 still have to pass top_srcdir=
# to make: make -f /srcs/busybox/Makefile top_srcdir=/srcs/busybox
ifdef MAKEFILE_LIST
top_srcdir:=$(shell cd $(dir $(firstword $(MAKEFILE_LIST))) && pwd)
else
top_srcdir:=$(CURDIR)
endif
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: all
# see if we are in verbose mode
ifdef VERBOSE
CHECK_VERBOSE := -v
PACKAGE_BE_VERBOSE := $(VERBOSE)
endif
ifdef V
CHECK_VERBOSE := -v
PACKAGE_BE_VERBOSE := $(V)
endif
ifdef O
ifeq ("$(origin O)", "command line")
PACKAGE_OUTPUTDIR := $(shell cd $(O) && pwd)
top_builddir := $(PACKAGE_OUTPUTDIR)
endif
else
# If no alternate output-dir was specified, we build in cwd
PACKAGE_OUTPUTDIR := $(top_builddir)
endif
define check_gcc
$(if $(2),$(if $(shell $(CC) $(2) -S -o /dev/null -xc /dev/null > /dev/null 2>&1 && echo y),$(2),$(if $(3),$(3))),$(if $(3),$(3)))
endef
define check_ld
$(if $(2),$(if $(shell $(LD) $(2) -o /dev/null -b binary /dev/null > /dev/null 2>&1 && echo y),$(shell echo \-Wl,$(2)),$(if $(3),$(3))),$(if $(3),$(3)))
endef
#######################################################################
# make-3.79.1 doesn't support order-only prerequisites..
ifeq ($(MAKE_VERSION),3.79.1)
|: $(^) ;
endif
#######################################################################
# Handle building out of tree
ifneq ($(top_builddir),$(top_srcdir))
all_tree := $(patsubst %,$(top_builddir)/%,$(DIRS) scripts scripts/config include include/config)
$(all_tree):
@mkdir -p "$@"
saved-output := $(PACKAGE_OUTPUTDIR)
$(if $(wildcard $(PACKAGE_OUTPUTDIR)),, \
$(error output directory "$(saved-output)" does not exist))
.PHONY: $(filter $(noconfig_targets),$(MAKECMDGOALS))
$(PACKAGE_OUTPUTDIR)/Rules.mak:
@echo > $@
@echo top_srcdir=$(top_srcdir) >> $@
@echo top_builddir=$(PACKAGE_OUTPUTDIR) >> $@
@echo include $$\(top_srcdir\)/Rules.mak >> $@
$(PACKAGE_OUTPUTDIR)/Makefile:
@echo > $@
@echo top_srcdir=$(top_srcdir) >> $@
@echo top_builddir=$(PACKAGE_OUTPUTDIR) >> $@
@echo PACKAGE_SOURCEDIR='$$(top_srcdir)' >> $@
@echo include '$$(PACKAGE_SOURCEDIR)'/Makefile >> $@
buildtree := $(all_tree) $(PACKAGE_OUTPUTDIR)/Rules.mak $(PACKAGE_OUTPUTDIR)/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 | $(buildtree)
@cp $(top_srcdir)/scripts/config/Makefile $@
else
all_tree := include/config
$(all_tree):
@mkdir -p "$@"
buildtree := $(all_tree)
endif # ifneq ($(PACKAGE_OUTPUTDIR),$(top_srcdir))
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 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
@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
@echo 'Make flags:'
@echo ' V=<number> - print verbose make output (default: unset)'
@echo ' 0 print CC invocations'
@echo ' 1'
@echo ' 2 also print when make enters a directory'
@echo ' 3 also verbosely print shell invocations'
-include $(top_srcdir)/Rules.mak
ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
# Default target if none was requested explicitly
all: defconfig menuconfig ;
ifneq ($(filter-out $(noconfig_targets),$(MAKECMDGOALS)),)
# 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
else
# Avoid implicit rule to kick in by using an empty command
.config: $(buildtree) ;
endif
endif # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
# configuration
# ---------------------------------------------------------------------------
CONFIG_CONFIG_IN = $(top_srcdir)/Config.in
scripts/config/conf: scripts/config/Makefile
$(Q)$(MAKE) -C scripts/config conf
scripts/config/mconf: scripts/config/Makefile
$(Q)$(MAKE) -C scripts/config ncurses conf mconf
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)=.*/# \1 is not set/" .config
@./scripts/config/conf -o $(CONFIG_CONFIG_IN)
allnoconfig: scripts/config/conf
@./scripts/config/conf -n $(CONFIG_CONFIG_IN)
# 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 $(CONFIG_CONFIG_IN)
@$(SED) -i -r -e "s/^(USING_CROSS_COMPILER|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)
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 $(CONFIG_CONFIG_IN)
ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
# Load all Config.in
-include $(top_builddir)/.config.cmd
endif # ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
include $(patsubst %,%/Makefile.in,$(SRC_DIRS))
ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
# Finally pull in the dependencies (headers and other includes) of the
# individual object files
-include $(top_builddir)/.depend
$(top_builddir)/applets/applets.o: $(top_builddir)/.config
# Everything is set.
all: busybox busybox.links doc ;
# Two modes of operation: legacy and IMA
# Legacy mode builds each object through an individual invocation of CC
# IMA compiles all sources at once (aka IPO aka IPA etc.)
ifeq ($(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 lib*.c
BUSYBOX_SRC := $(LIBRARY_SRC)
BUSYBOX_DEFINE:= $(LIBRARY_DEFINE)
endif # !CONFIG_FEATURE_SHARED_BUSYBOX
$(LIBBUSYBOX_SONAME): $(LIBRARY_SRC)
else # CONFIG_BUILD_AT_ONCE
$(LIBBUSYBOX_SONAME): $(libbusybox-obj)
AR_INTRO:=-Wl,--whole-archive
AR_EXTRO:=-Wl,--no-whole-archive
endif # CONFIG_BUILD_AT_ONCE
ifeq ($(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) $(LIB_CFLAGS) $(CFLAGS_COMBINE) \
-Wl,-soname=$(LD_LIBBUSYBOX).$(MAJOR_VERSION) \
-Wl,-z,combreloc $(LIB_LDFLAGS) \
-o $(@) \
-Wl,--start-group \
$(LIBRARY_DEFINE) $(AR_INTRO) $(^) $(AR_EXTRO) \
-Wl,--end-group
@rm -f $(DO_INSTALL_LIBS)
@for i in $(DO_INSTALL_LIBS); do ln -s $(@) $$i ; done
$(do_strip)
endif # ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
busybox_unstripped: $(top_builddir)/.depend $(LIBBUSYBOX_SONAME) $(BUSYBOX_SRC) $(APPLET_SRC) $(libraries-y)
$(do_link) $(PROG_CFLAGS) $(PROG_LDFLAGS) $(CFLAGS_COMBINE) \
$(foreach f,$(^:.o=.c),$(CFLAGS-$(notdir $(patsubst %/$,%,$(dir $(f))))-$(notdir $(f)))) \
$(CFLAGS-$(@)) \
-o $@ -Wl,--start-group \
$(APPLETS_DEFINE) $(APPLET_SRC) \
$(BUSYBOX_DEFINE) $(BUSYBOX_SRC) \
$(libraries-y) \
$(LDBUSYBOX) $(LIBRARIES) \
-Wl,--end-group
busybox: busybox_unstripped
$(Q)cp busybox_unstripped busybox
$(do_strip)
busybox.links: $(top_srcdir)/applets/busybox.mkll include/bb_config.h $(top_srcdir)/include/applets.h
$(Q)-$(SHELL) $^ >$@
install: $(top_srcdir)/applets/install.sh busybox busybox.links
$(Q)DO_INSTALL_LIBS="$(strip $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS))" \
$(SHELL) $< $(PREFIX) $(INSTALL_OPTS)
ifeq ($(strip $(CONFIG_FEATURE_SUID)),y)
@echo
@echo
@echo --------------------------------------------------
@echo You will probably need to make your busybox binary
@echo setuid root to ensure all configured applets will
@echo work properly.
@echo --------------------------------------------------
@echo
endif
uninstall: busybox.links
rm -f $(PREFIX)/bin/busybox
for i in `cat busybox.links` ; do rm -f $(PREFIX)$$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 \
$(top_srcdir)/testsuite/runtest $(CHECK_VERBOSE)
sizes: busybox_unstripped
$(NM) --size-sort $(<)
# 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
$(disp_gen)
$(Q)$(top_srcdir)/scripts/config/mkconfigs > $@
endif
depend dep: $(top_builddir)/.depend ;
$(top_builddir)/.depend: $(buildtree) scripts/bb_mkdep $(DEP_INCLUDES)
$(disp_gen)
$(Q)rm -f .depend
$(Q)scripts/bb_mkdep $(MKDEP_ARGS) \
-I $(top_srcdir)/include $(top_srcdir) > $@.tmp
$(Q)mv $@.tmp $@
include/bb_config.h: .config
$(disp_gen)
@$(top_builddir)/scripts/config/conf -o $(CONFIG_CONFIG_IN)
endif # ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
clean:
- 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
- rm -r -f _install testsuite/links
- find . -name .\*.flags -o -name \*.o -o -name \*.om \
-o -name \*.os -o -name \*.osm -o -name \*.a | xargs rm -f
distclean: clean
- $(MAKE) -C scripts/config clean
- rm -f scripts/bb_mkdep
- rm -r -f include/config $(DEP_INCLUDES)
- find . -name .depend'*' | xargs rm -f
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 .
# keep these in sync with noconfig_targets above!
.PHONY: dummy subdirs check test depend dep buildtree \
menuconfig config oldconfig randconfig \
defconfig allyesconfig allnoconfig allbareconfig \
clean distclean \
release tags