460 lines
14 KiB
Makefile
460 lines
14 KiB
Makefile
# Makefile for busybox
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#
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# Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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#
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# Licensed under GPLv2, see the file LICENSE in this tarball for details.
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#
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#--------------------------------------------------------------
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# You shouldn't need to mess with anything beyond this point...
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#--------------------------------------------------------------
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noconfig_targets := menuconfig config oldconfig randconfig \
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defconfig allyesconfig allnoconfig allbareconfig \
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clean distclean help \
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release tags
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# the toplevel sourcedir
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ifndef top_srcdir
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top_srcdir=$(CURDIR)
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endif
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# toplevel directory of the object-tree
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ifndef top_builddir
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top_builddir=$(CURDIR)
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endif
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export srctree=$(top_srcdir)
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vpath %/Config.in $(srctree)
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DIRS:=applets archival archival/libunarchive coreutils console-tools \
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debianutils editors findutils init miscutils modutils networking \
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networking/libiproute networking/udhcp procps loginutils shell \
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sysklogd util-linux e2fsprogs libpwdgrp coreutils/libcoreutils libbb
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SRC_DIRS:=$(patsubst %,$(top_srcdir)/%,$(DIRS))
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# That's our default target when none is given on the command line
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.PHONY: _all
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_all:
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CONFIG_CONFIG_IN = $(top_srcdir)/Config.in
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ifeq ($(KBUILD_SRC),)
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ifdef O
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ifeq ("$(origin O)", "command line")
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KBUILD_OUTPUT := $(O)
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top_builddir := $(O)
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endif
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else
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# If no alternate output-dir was specified, we build in cwd
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# We are using KBUILD_OUTPUT nevertheless to make sure that we create
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# Rules.mak and the toplevel Makefile, in case they don't exist.
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KBUILD_OUTPUT := $(top_builddir)
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endif
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ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
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# pull in OS specific commands like cp, mkdir, etc. early
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-include $(top_srcdir)/Rules.mak
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endif
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# All object directories.
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OBJ_DIRS := $(DIRS)
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all_tree := $(patsubst %,$(top_builddir)/%,$(OBJ_DIRS) scripts scripts/config include)
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all_tree: $(all_tree)
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$(all_tree):
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@mkdir -p "$@"
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ifneq ($(KBUILD_OUTPUT),)
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# Invoke a second make in the output directory, passing relevant variables
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# Check that the output directory actually exists
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saved-output := $(KBUILD_OUTPUT)
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KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd)
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$(if $(wildcard $(KBUILD_OUTPUT)),, \
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$(error output directory "$(saved-output)" does not exist))
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.PHONY: $(MAKECMDGOALS)
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$(filter-out _all,$(MAKECMDGOALS)) _all: $(KBUILD_OUTPUT)/Rules.mak $(KBUILD_OUTPUT)/Makefile all_tree
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$(Q)$(MAKE) -C $(KBUILD_OUTPUT) \
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top_srcdir=$(top_srcdir) \
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top_builddir=$(top_builddir) \
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KBUILD_SRC=$(top_srcdir) \
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-f $(CURDIR)/Makefile $@
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$(KBUILD_OUTPUT)/Rules.mak:
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@echo > $@
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@echo top_srcdir=$(top_srcdir) >> $@
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@echo top_builddir=$(KBUILD_OUTPUT) >> $@
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@echo include $(top_srcdir)/Rules.mak >> $@
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$(KBUILD_OUTPUT)/Makefile:
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@echo > $@
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@echo top_srcdir=$(top_srcdir) >> $@
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@echo top_builddir=$(KBUILD_OUTPUT) >> $@
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@echo KBUILD_SRC='$$(top_srcdir)' >> $@
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@echo include '$$(KBUILD_SRC)'/Makefile >> $@
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# Leave processing to above invocation of make
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skip-makefile := 1
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endif # ifneq ($(KBUILD_OUTPUT),)
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endif # ifeq ($(KBUILD_SRC),)
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ifeq ($(skip-makefile),)
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# We only need a copy of the Makefile for the config targets and reuse
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# the rest from the source directory, i.e. we do not cp ALL_MAKEFILES.
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scripts/config/Makefile: $(top_srcdir)/scripts/config/Makefile
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cp $< $@
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_all: all
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help:
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@echo 'Cleaning:'
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@echo ' clean - delete temporary files created by build'
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@echo ' distclean - delete all non-source files (including .config)'
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@echo
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@echo 'Build:'
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@echo ' all - Executable and documentation'
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@echo ' busybox - the swiss-army executable'
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@echo ' doc - docs/BusyBox.{txt,html,1}'
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@echo
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@echo 'Configuration:'
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@echo ' allnoconfig - disable all symbols in .config'
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@echo ' allyesconfig - enable all symbols in .config (see defconfig)'
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@echo ' allbareconfig - enable all applets without any sub-features'
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@echo ' config - text based configurator (of last resort)'
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@echo ' defconfig - set .config to largest generic configuration'
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@echo ' menuconfig - interactive curses-based configurator'
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@echo ' oldconfig - resolve any unresolved symbols in .config'
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@echo
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@echo 'Installation:'
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@echo ' install - install busybox into $(PREFIX)'
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@echo ' uninstall'
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@echo
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@echo 'Development:'
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@echo ' check - run the test suite for all applets'
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@echo ' randconfig - generate a random configuration'
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@echo ' release - create a distribution tarball'
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@echo ' sizes - show size of all enabled busybox symbols'
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@echo
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include $(top_srcdir)/Rules.mak
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ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
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# Default target if none was requested explicitly
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all: menuconfig
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# warn if no configuration exists and we are asked to build a non-config target
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.config:
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@echo ""
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@echo "No $(top_builddir)/$@ found!"
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@echo "Please refer to 'make help', section Configuration."
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@echo ""
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@exit 1
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# configuration
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# ---------------------------------------------------------------------------
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scripts/config/conf: scripts/config/Makefile
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$(Q)$(MAKE) -C scripts/config conf
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-@if [ ! -f .config ] ; then \
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touch .config; \
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fi
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scripts/config/mconf: scripts/config/Makefile
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$(Q)$(MAKE) -C scripts/config ncurses conf mconf
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-@if [ ! -f .config ] ; then \
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touch .config; \
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fi
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menuconfig: scripts/config/mconf
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@[ -f .config ] || make $(MAKEFLAGS) defconfig
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@./scripts/config/mconf $(CONFIG_CONFIG_IN)
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config: scripts/config/conf
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@./scripts/config/conf $(CONFIG_CONFIG_IN)
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oldconfig: scripts/config/conf
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@./scripts/config/conf -o $(CONFIG_CONFIG_IN)
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randconfig: scripts/config/conf
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@./scripts/config/conf -r $(CONFIG_CONFIG_IN)
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allyesconfig: scripts/config/conf
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@./scripts/config/conf -y $(CONFIG_CONFIG_IN)
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@$(SED) -i -r -e "s/^(USING_CROSS_COMPILER)=.*/# \1 is not set/" .config
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@./scripts/config/conf -o $(CONFIG_CONFIG_IN)
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allnoconfig: scripts/config/conf
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@./scripts/config/conf -n $(CONFIG_CONFIG_IN)
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# defconfig is allyesconfig minus any features that are specialized enough
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# or cause enough behavior change that the user really should switch them on
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# manually if that's what they want. Sort of "maximum sane config".
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defconfig: scripts/config/conf
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@./scripts/config/conf -y $(CONFIG_CONFIG_IN)
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@$(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
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@./scripts/config/conf -o $(CONFIG_CONFIG_IN)
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allbareconfig: scripts/config/conf
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@./scripts/config/conf -y $(CONFIG_CONFIG_IN)
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@$(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
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@$(SED) -i -e "/FEATURE/s/=.*//;/^[^#]/s/.*FEATURE.*/# \0 is not set/;" .config
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@echo "CONFIG_FEATURE_BUFFERS_GO_ON_STACK=y" >> .config
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@yes n | ./scripts/config/conf -o $(CONFIG_CONFIG_IN)
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else # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
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all: busybox busybox.links doc
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# In this section, we need .config
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-include $(top_builddir)/.config.cmd
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include $(patsubst %,%/Makefile.in, $(SRC_DIRS))
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endif # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
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-include $(top_builddir)/.config
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-include $(top_builddir)/.depend
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ifeq ($(strip $(CONFIG_BUILD_AT_ONCE)),y)
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libraries-y:=
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# Which parts of the internal libs are requested?
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# Per default we only want what was actually selected.
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# -a denotes all while -y denotes the selected ones.
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ifeq ($(strip $(CONFIG_FEATURE_FULL_LIBBUSYBOX)),y)
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LIBRARY_DEFINE:=$(LIBRARY_DEFINE-a)
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LIBRARY_SRC :=$(LIBRARY_SRC-a)
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else # CONFIG_FEATURE_FULL_LIBBUSYBOX
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LIBRARY_DEFINE:=$(LIBRARY_DEFINE-y)
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LIBRARY_SRC :=$(LIBRARY_SRC-y)
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endif # CONFIG_FEATURE_FULL_LIBBUSYBOX
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APPLET_SRC:=$(APPLET_SRC-y)
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APPLETS_DEFINE:=$(APPLETS_DEFINE-y)
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else # CONFIG_BUILD_AT_ONCE
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# no --combine, build archives out of the individual .o
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# This was the old way the binary was built.
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libbusybox-obj:=archival/libunarchive/libunarchive.a \
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networking/libiproute/libiproute.a \
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libpwdgrp/libpwdgrp.a \
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coreutils/libcoreutils/libcoreutils.a \
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libbb/libbb.a
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libbusybox-obj:=$(patsubst %,$(top_builddir)/%,$(libbusybox-obj))
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ifeq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
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# linking against libbusybox, so don't build the .a already contained in the .so
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libraries-y:=$(filter-out $(libbusybox-obj),$(libraries-y))
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endif # CONFIG_FEATURE_SHARED_BUSYBOX
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endif # CONFIG_BUILD_AT_ONCE
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ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
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LD_LIBBUSYBOX:=libbusybox.so
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LIBBUSYBOX_SONAME:=$(LD_LIBBUSYBOX).$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL_VERSION)
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DO_INSTALL_LIBS:=$(LD_LIBBUSYBOX) \
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$(LD_LIBBUSYBOX).$(MAJOR_VERSION) \
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$(LD_LIBBUSYBOX).$(MAJOR_VERSION).$(MINOR_VERSION)
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endif # CONFIG_BUILD_LIBBUSYBOX
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ifeq ($(strip $(CONFIG_BUILD_AT_ONCE)),y)
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ifneq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
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# --combine but not linking against libbusybox, so compile all
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BUSYBOX_SRC := $(LIBRARY_SRC)
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BUSYBOX_DEFINE:= $(LIBRARY_DEFINE)
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endif # !CONFIG_FEATURE_SHARED_BUSYBOX
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$(LIBBUSYBOX_SONAME): $(LIBRARY_SRC)
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else # CONFIG_BUILD_AT_ONCE
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$(LIBBUSYBOX_SONAME): $(libbusybox-obj)
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endif # CONFIG_BUILD_AT_ONCE
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ifeq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
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LDBUSYBOX:=-L$(top_builddir) -lbusybox
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endif
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ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
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$(LIBBUSYBOX_SONAME):
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ifndef MAJOR_VERSION
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$(error MAJOR_VERSION needed for $@ is not defined)
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endif
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$(do_link) $(LIB_CFLAGS) $(CFLAGS_COMBINE) \
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-Wl,-soname=$(LD_LIBBUSYBOX).$(MAJOR_VERSION) \
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-Wl,-z,combreloc $(LIB_LDFLAGS) \
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-o $(@) \
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-Wl,--start-group -Wl,--whole-archive \
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$(LIBRARY_DEFINE) $(^) \
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-Wl,--no-whole-archive -Wl,--end-group
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@rm -f $(DO_INSTALL_LIBS)
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@for i in $(DO_INSTALL_LIBS); do ln -s $(@) $$i ; done
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$(do_strip)
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endif # ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
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busybox_unstripped: .depend $(LIBBUSYBOX_SONAME) $(BUSYBOX_SRC) $(libraries-y)
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$(do_link) $(PROG_CFLAGS) $(PROG_LDFLAGS) $(CFLAGS_COMBINE) \
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-o $@ -Wl,--start-group \
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$(APPLETS_DEFINE) $(APPLET_SRC) \
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$(BUSYBOX_DEFINE) $(BUSYBOX_SRC) $(libraries-y) \
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$(LDBUSYBOX) $(LIBRARIES) \
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-Wl,--end-group
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busybox: busybox_unstripped
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$(Q)cp busybox_unstripped busybox
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$(do_strip)
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%.bflt: %_unstripped
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$(do_elf2flt)
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busybox.links: $(top_srcdir)/applets/busybox.mkll include/bb_config.h $(top_srcdir)/include/applets.h
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$(Q)-$(SHELL) $^ >$@
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install: $(top_srcdir)/applets/install.sh busybox busybox.links
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$(Q)DO_INSTALL_LIBS="$(strip $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS))" \
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$(SHELL) $< $(PREFIX) $(INSTALL_OPTS)
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ifeq ($(strip $(CONFIG_FEATURE_SUID)),y)
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@echo
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@echo
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@echo --------------------------------------------------
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@echo You will probably need to make your busybox binary
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@echo setuid root to ensure all configured applets will
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@echo work properly.
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@echo --------------------------------------------------
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@echo
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endif
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uninstall: busybox.links
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rm -f $(PREFIX)/bin/busybox
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for i in `cat busybox.links` ; do rm -f $(PREFIX)$$i; done
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ifneq ($(strip $(DO_INSTALL_LIBS)),n)
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for i in $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS); do \
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rm -f $(PREFIX)$$i; \
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done
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endif
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# see if we are in verbose mode
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KBUILD_VERBOSE :=
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ifdef V
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ifeq ("$(origin V)", "command line")
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KBUILD_VERBOSE := $(V)
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endif
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endif
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ifneq ($(strip $(KBUILD_VERBOSE)),)
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CHECK_VERBOSE := -v
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# ARFLAGS+=v
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endif
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check test: busybox
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bindir=$(top_builddir) srcdir=$(top_srcdir)/testsuite \
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$(top_srcdir)/testsuite/runtest $(CHECK_VERBOSE)
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sizes: busybox_unstripped
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$(NM) --size-sort $(<)
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# Documentation Targets
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doc: docs/busybox.pod docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html
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docs/busybox.pod : $(top_srcdir)/docs/busybox_header.pod $(top_srcdir)/include/usage.h $(top_srcdir)/docs/busybox_footer.pod $(top_srcdir)/docs/autodocifier.pl
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$(disp_doc)
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$(Q)-mkdir -p docs
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$(Q)-( cat $(top_srcdir)/docs/busybox_header.pod ; \
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$(top_srcdir)/docs/autodocifier.pl $(top_srcdir)/include/usage.h ; \
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cat $(top_srcdir)/docs/busybox_footer.pod ; ) > docs/busybox.pod
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docs/BusyBox.txt: docs/busybox.pod
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$(disp_doc)
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$(Q)-mkdir -p docs
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$(Q)-pod2text $< > $@
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docs/BusyBox.1: docs/busybox.pod
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$(disp_doc)
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$(Q)-mkdir -p docs
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$(Q)-pod2man --center=BusyBox --release="version $(VERSION)" \
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$< > $@
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docs/BusyBox.html: docs/busybox.net/BusyBox.html
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$(disp_doc)
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$(Q)-mkdir -p docs
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$(Q)-rm -f docs/BusyBox.html
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$(Q)-cp docs/busybox.net/BusyBox.html docs/BusyBox.html
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docs/busybox.net/BusyBox.html: docs/busybox.pod
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$(Q)-mkdir -p docs/busybox.net
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$(Q)-pod2html --noindex $< > \
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docs/busybox.net/BusyBox.html
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$(Q)-rm -f pod2htm*
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# The nifty new dependency stuff
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scripts/bb_mkdep: $(top_srcdir)/scripts/bb_mkdep.c
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$(Q)$(HOSTCC) $(HOSTCFLAGS) -o $@ $<
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DEP_INCLUDES := include/bb_config.h
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ifeq ($(strip $(CONFIG_BBCONFIG)),y)
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DEP_INCLUDES += include/bbconfigopts.h
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include/bbconfigopts.h: .config
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$(disp_gen)
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$(Q)$(top_srcdir)/scripts/config/mkconfigs > $@
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endif
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depend dep: .depend
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.depend: scripts/bb_mkdep $(DEP_INCLUDES)
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$(disp_gen)
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$(Q)rm -f .depend
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$(Q)mkdir -p include/config
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$(Q)scripts/bb_mkdep -I $(top_srcdir)/include $(top_srcdir) > $@.tmp
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$(Q)mv $@.tmp $@
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include/bb_config.h: .config
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@if [ ! -x $(top_builddir)/scripts/config/conf ] ; then \
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$(MAKE) -C scripts/config conf; \
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fi;
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@$(top_builddir)/scripts/config/conf -o $(CONFIG_CONFIG_IN)
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clean:
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- $(MAKE) -C scripts/config $@
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- rm -f docs/busybox.dvi docs/busybox.ps \
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docs/busybox.pod docs/busybox.net/busybox.html \
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docs/busybox pod2htm* *.gdb *.elf *~ core .*config.log \
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docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html \
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docs/busybox.net/BusyBox.html busybox.links \
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libbusybox.so* \
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.config.old busybox busybox_unstripped
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- rm -r -f _install testsuite/links
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- find . -name .\*.flags -o -name \*.o -o -name \*.om \
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-o -name \*.os -o -name \*.osm -o -name \*.a | xargs rm -f
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distclean: clean
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- rm -f scripts/bb_mkdep
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- rm -r -f include/config $(DEP_INCLUDES)
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- find . -name .depend'*' | xargs rm -f
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rm -f .config .config.old .config.cmd
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release: distclean #doc
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cd ..; \
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rm -r -f $(PROG)-$(VERSION); \
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cp -a busybox $(PROG)-$(VERSION); \
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\
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find $(PROG)-$(VERSION)/ -type d \
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-name .svn \
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-print \
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-exec rm -r -f {} \; ; \
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\
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find $(PROG)-$(VERSION)/ -type f \
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-name .\#* \
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-print \
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-exec rm -f {} \; ; \
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\
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tar -cvzf $(PROG)-$(VERSION).tar.gz $(PROG)-$(VERSION)/;
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tags:
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ctags -R .
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endif # ifeq ($(skip-makefile),)
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.PHONY: dummy subdirs release distclean clean config oldconfig \
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menuconfig tags check test depend dep buildtree
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