#
# 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
-TOPDIR=./
-include Rules.mak
+
+# 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 $(srctree)
DIRS:=applets archival archival/libunarchive coreutils console-tools \
debianutils editors findutils init miscutils modutils networking \
networking/libiproute networking/udhcp procps loginutils shell \
- sysklogd util-linux libpwdgrp coreutils/libcoreutils libbb
+ sysklogd util-linux e2fsprogs libpwdgrp coreutils/libcoreutils libbb
+
+SRC_DIRS:=$(patsubst %,$(top_srcdir)/%,$(DIRS))
+
+# That's our default target when none is given on the command line
+.PHONY: _all
+_all:
-ifeq ($(strip $(CONFIG_SELINUX)),y)
-CFLAGS += -I/usr/include/selinux
-LIBRARIES += -lsecure
+CONFIG_CONFIG_IN = $(top_srcdir)/sysdeps/$(TARGET_OS)/Config.in
+CONFIG_DEFCONFIG = $(top_srcdir)/sysdeps/$(TARGET_OS)/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 $(top_srcdir)/Rules.mak
endif
-CONFIG_CONFIG_IN = sysdeps/$(TARGET_OS)/Config.in
-CONFIG_DEFCONFIG = sysdeps/$(TARGET_OS)/defconfig
+# 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
-ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
+# 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)
+
+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: busybox busybox.links doc
# In this section, we need .config
--include .config.cmd
-include $(patsubst %,%/Makefile.in, $(DIRS))
--include $(TOPDIR).depend
+-include $(top_builddir)/.config.cmd
+include $(patsubst %,%/Makefile.in, $(SRC_DIRS))
+-include $(top_builddir)/.depend
-busybox: .depend include/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: applets/busybox.mkll include/config.h
+busybox.links: $(top_srcdir)/applets/busybox.mkll include/config.h $(top_srcdir)/include/applets.h
- $(SHELL) $^ >$@
-install: applets/install.sh busybox busybox.links
- $(SHELL) $< $(PREFIX)
+install: $(top_srcdir)/applets/install.sh busybox busybox.links
+ $(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
-install-hardlinks: applets/install.sh busybox busybox.links
- $(SHELL) $< $(PREFIX) --hardlinks
+# see if we are in verbose mode
+KBUILD_VERBOSE :=
+ifdef V
+ ifeq ("$(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 $(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 : docs/busybox_header.pod include/usage.h docs/busybox_footer.pod
- - ( cat docs/busybox_header.pod; \
- docs/autodocifier.pl include/usage.h; \
- cat docs/busybox_footer.pod ) > docs/busybox.pod
+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
- @echo
- @echo BusyBox Documentation
- @echo
+ $(SECHO)
+ $(SECHO) BusyBox Documentation
+ $(SECHO)
-mkdir -p docs
-pod2text $< > $@
docs/BusyBox.html: docs/busybox.net/BusyBox.html
- mkdir -p docs
-@ rm -f docs/BusyBox.html
- -@ ln -s busybox.net/BusyBox.html 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
-@ rm -f pod2htm*
# The nifty new buildsystem stuff
-scripts/mkdep: scripts/mkdep.c
- $(HOSTCC) $(HOSTCFLAGS) -o scripts/mkdep scripts/mkdep.c
+scripts/bb_mkdep: $(top_srcdir)/scripts/bb_mkdep.c
+ $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
-scripts/split-include: scripts/split-include.c
- $(HOSTCC) $(HOSTCFLAGS) -o scripts/split-include scripts/split-include.c
+DEP_INCLUDES := include/config.h include/bb_config.h
-.depend: scripts/mkdep
- rm -f .depend .hdepend;
- mkdir -p include/config;
- $(HOSTCC) $(HOSTCFLAGS) -o scripts/mkdep scripts/mkdep.c
- scripts/mkdep -I include -- \
- `find -name \*.c -print | sed -e "s,^./,,"` >> .depend;
- scripts/mkdep -I include -- \
- `find -name \*.h -print | sed -e "s,^./,,"` >> .hdepend;
+ifeq ($(strip $(CONFIG_BBCONFIG)),y)
+DEP_INCLUDES += include/bbconfigopts.h
-depend dep: include/config.h .depend
+include/bbconfigopts.h: .config
+ $(top_srcdir)/scripts/config/mkconfigs > $@
+endif
-include/config/MARKER: depend scripts/split-include
- scripts/split-include include/config.h include/config
- @ touch include/config/MARKER
+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 ./scripts/config/conf ] ; then \
+ @if [ ! -x $(top_builddir)/scripts/config/conf ] ; then \
$(MAKE) -C scripts/config conf; \
fi;
- @./scripts/config/conf -o $(CONFIG_CONFIG_IN)
-
-%.o: %.c
- $(CC) $(CFLAGS) $(EXTRA_CFLAGS) -c -o $@ $<
-
-finished2:
- @echo
- @echo Finished installing...
- @echo
-
-else # ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
-
-all: menuconfig
-
-# configuration
-# ---------------------------------------------------------------------------
-
-scripts/config/conf:
- $(MAKE) -C scripts/config conf
- -@if [ ! -f .config ] ; then \
- cp $(CONFIG_DEFCONFIG) .config; \
- fi
-scripts/config/mconf:
- $(MAKE) -C scripts/config ncurses conf mconf
- -@if [ ! -f .config ] ; then \
- cp $(CONFIG_DEFCONFIG) .config; \
- fi
+ @$(top_builddir)/scripts/config/conf -o $(CONFIG_CONFIG_IN)
-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)
-
-test tests: busybox
- # Note that 'tests' is depricated. Use 'make check' instead
- # To use the nice new testsuite....
- cd tests && ./tester.sh
-
-check: busybox
- cd testsuite && ./runtest
+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" >> $@
clean:
- - $(MAKE) -C tests 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
- - 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 -rf include/config include/config.h
+ - 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 ..; \
- rm -rf $(PROG)-$(VERSION); \
- cp -a busybox $(PROG)-$(VERSION); \
- \
- find $(PROG)-$(VERSION)/ -type d \
- -name CVS \
- -print \
- -exec rm -rf {} \; ; \
- \
- find $(PROG)-$(VERSION)/ -type f \
- -name .\#* \
- -print \
- -exec rm -f {} \; ; \
- \
+ 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 ($(strip $(HAVE_DOT_CONFIG)),y)
+endif # ifeq ($(skip-makefile),)
.PHONY: dummy subdirs release distclean clean config oldconfig \
- menuconfig tags check test tests depend
-
-
+ menuconfig tags check test depend dep buildtree