#
# Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+# 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 clean distclean \
+ defconfig allyesconfig allnoconfig allbareconfig \
+ clean distclean \
release tags
-ifndef TOPDIR
-TOPDIR=$(CURDIR)/
-endif
+# the toplevel sourcedir
ifndef top_srcdir
top_srcdir=$(CURDIR)
endif
+# toplevel directory of the object-tree
ifndef top_builddir
top_builddir=$(CURDIR)
endif
export srctree=$(top_srcdir)
vpath %/Config.in $(srctree)
-include $(top_srcdir)/Rules.mak
-
DIRS:=applets archival archival/libunarchive coreutils console-tools \
debianutils editors findutils init miscutils modutils networking \
networking/libiproute networking/udhcp procps loginutils shell \
SRC_DIRS:=$(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:
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)
+ 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 := $(top_builddir)
endif
-# That's our default target when none is given on the command line
-.PHONY: _all
-_all:
+ifneq ($(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
+# Check that the output directory actually exists
saved-output := $(KBUILD_OUTPUT)
KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd)
$(if $(wildcard $(KBUILD_OUTPUT)),, \
.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
$(MAKE) -C $(KBUILD_OUTPUT) \
- top_srcdir=$(CURDIR) \
- top_builddir=$(KBUILD_OUTPUT) \
- TOPDIR=$(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 >> $@
ifeq ($(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 $< $@
+
_all: all
-ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
+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 and symlinks into $prefix'
+ @echo ' install-hardlinks - install busybox and hardlinks 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
+
-all: busybox busybox.links doc
+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/^(CONFIG_DEBUG|USING_CROSS_COMPILER|CONFIG_STATIC|CONFIG_SELINUX|CONFIG_FEATURE_DEVFS).*/# \1 is not set/" .config
+ @./scripts/config/conf -o $(CONFIG_CONFIG_IN)
+
+allnoconfig: scripts/config/conf
+ @./scripts/config/conf -n $(CONFIG_CONFIG_IN)
-all_tree: $(ALL_MAKEFILES)
+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/^(CONFIG_DEBUG|USING_CROSS_COMPILER|CONFIG_STATIC|CONFIG_SELINUX).*/# \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_MAKEFILES): %/Makefile: $(top_srcdir)/%/Makefile
- [ -d $(@D) ] || mkdir -p $(@D); cp $< $@
+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 include/bb_config.h $(libraries-y)
- $(CC) $(LDFLAGS) -o $@ -Wl,--start-group $(libraries-y) $(LIBRARIES) -Wl,--end-group
+endif # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
+
+busybox: .depend $(libraries-y)
+ $(CC) $(EXTRA_CFLAGS) $(LDFLAGS) -o $@ -Wl,--start-group $(libraries-y) $(LIBRARIES) -Wl,--end-group
$(STRIPCMD) $@
busybox.links: $(top_srcdir)/applets/busybox.mkll include/config.h $(top_srcdir)/include/applets.h
install-hardlinks: $(top_srcdir)/applets/install.sh busybox busybox.links
$(SHELL) $< $(PREFIX) --hardlinks
-check: busybox
+# see if we are in verbose mode
+KBUILD_VERBOSE :=
+ifdef V
+ ifeq ("$(origin V)", "command line")
+ KBUILD_VERBOSE := $(V)
+ endif
+endif
+ifneq ($(strip $(KBUILD_VERBOSE)),)
+ CHECK_VERBOSE := -v
+endif
+check test: busybox
bindir=$(top_builddir) srcdir=$(top_srcdir)/testsuite \
- $(top_srcdir)/testsuite/runtest
+ $(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
+ $(NM) --size-sort busybox
# Documentation Targets
doc: docs/busybox.pod docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html
-@ rm -f pod2htm*
# The nifty new buildsystem stuff
-scripts/mkdep: $(top_srcdir)/scripts/mkdep.c
+scripts/bb_mkdep: $(top_srcdir)/scripts/bb_mkdep.c
$(HOSTCC) $(HOSTCFLAGS) -o $@ $<
-scripts/split-include: $(top_srcdir)/scripts/split-include.c
- $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
+DEP_INCLUDES := include/config.h include/bb_config.h
+
+ifeq ($(strip $(CONFIG_BBCONFIG)),y)
+DEP_INCLUDES += include/bbconfigopts.h
+
+include/bbconfigopts.h: .config
+ $(top_srcdir)/scripts/config/mkconfigs > $@
+endif
depend dep: .depend
-.depend: scripts/mkdep include/config.h include/bbconfigopts.h
- rm -f .depend .hdepend;
- mkdir -p include/config;
- scripts/mkdep -I include -- \
- `find $(top_srcdir) -name \*.c -print | sed -e "s,^./,,"` >> .depend;
- scripts/mkdep -I include -- \
- `find $(top_srcdir) -name \*.h -print | sed -e "s,^./,,"` >> .hdepend;
-
-include/config/MARKER: depend scripts/split-include
- scripts/split-include include/config.h include/config
- @ touch include/config/MARKER
+.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 $(top_builddir)/scripts/config/conf ] ; then \
@$(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/' \
+ @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" >> $@
-
-include/bbconfigopts.h: .config
- @[ -d $(@D) ] || mkdir -v $(@D)
- $(top_srcdir)/scripts/config/mkconfigs >include/bbconfigopts.h
-
-finished2:
- $(SECHO)
- $(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 -e "s/^CONFIG_DEBUG.*/# CONFIG_DEBUG is not set/" .config
- sed -i -e "s/^USING_CROSS_COMPILER.*/# USING_CROSS_COMPILER is not set/" .config
- sed -i -e "s/^CONFIG_STATIC.*/# CONFIG_STATIC is not set/" .config
- sed -i -e "s/^CONFIG_SELINUX.*/# CONFIG_SELINUX 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)
+ @echo "#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 libbb/loop.h \
- .config.old .hdepend busybox testsuite/links/*
- - rm -rf _install
+ .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 {} \;
distclean: clean
- - rm -f scripts/split-include scripts/mkdep
+ - rm -f scripts/bb_mkdep
- rm -rf include/config include/config.h include/bb_config.h include/bbconfigopts.h
- find . -name .depend -exec rm -f {} \;
rm -f .config .config.old .config.cmd
- - $(MAKE) -C scripts/config clean
release: distclean #doc
cd ..; \
ctags -R .
-endif # ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
-
endif # ifeq ($(skip-makefile),)
.PHONY: dummy subdirs release distclean clean config oldconfig \
- menuconfig tags check test depend buildtree
+ menuconfig tags check test depend dep buildtree