08a1b5095d
Very unreliable as e.g the ld check will see the flags supported by each emulation, not just the active one. good enough for now.. Fix would be to crate one or more dummy .c files and accually try if a flag works.
468 lines
14 KiB
Makefile
468 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 \
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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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CONFIG_DEFCONFIG = $(top_srcdir)/defconfig
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ifeq ($(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 $(KBUILD_OUTPUT)/Makefile all_tree
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$(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 (almost) all symbols in .config'
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@echo ' allbareconfig - enable all basics without any features'
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@echo ' config - text based configurator (of last resort)'
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@echo ' defconfig - set .config to defaults'
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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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$(MAKE) -C scripts/config conf
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-@if [ ! -f .config ] ; then \
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cp $(CONFIG_DEFCONFIG) .config; \
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fi
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scripts/config/mconf: scripts/config/Makefile
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$(MAKE) -C scripts/config ncurses conf mconf
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-@if [ ! -f .config ] ; then \
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cp $(CONFIG_DEFCONFIG) .config; \
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fi
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menuconfig: scripts/config/mconf
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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|CONFIG_(DEBUG|STATIC|SELINUX|FEATURE_DEVFS|BUILD_AT_ONCE)).*/# \1 is not set/" .config
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echo "CONFIG_FEATURE_SHARED_BUSYBOX=y" >> .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: scripts/config/conf
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@./scripts/config/conf -d $(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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@./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).$(MINOR_VERSION)
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ifeq ($(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): $(libbusybox-obj)
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endif # CONFIG_BUILD_AT_ONCE
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endif # CONFIG_BUILD_LIBBUSYBOX
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ifeq ($(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 $@ is not defined)
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endif
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$(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(LDFLAGS) -shared \
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$(CFLAGS_PIC) \
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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) -v $(@) $$i ; done
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$(STRIPCMD) $@
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endif # ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
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busybox: .depend $(LIBBUSYBOX_SONAME) $(BUSYBOX_SRC) $(libraries-y)
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$(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(PROG_CFLAGS) $(LDFLAGS) \
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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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$(STRIPCMD) $@
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busybox.links: $(top_srcdir)/applets/busybox.mkll include/bb_config.h $(top_srcdir)/include/applets.h
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- $(SHELL) $^ >$@
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install: $(top_srcdir)/applets/install.sh busybox busybox.links
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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 $(CHECK_VERBOSE)
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sizes:
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-$(RM_F) busybox
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$(MAKE) top_srcdir=$(top_srcdir) top_builddir=$(top_builddir) \
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-f $(top_srcdir)/Makefile STRIPCMD=/bin/true
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$(NM) --size-sort busybox
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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
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-mkdir -p docs
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- ( 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 $(top_srcdir)/docs/busybox_footer.pod ) > docs/busybox.pod
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docs/BusyBox.txt: docs/busybox.pod
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$(SECHO)
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$(SECHO) BusyBox Documentation
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$(SECHO)
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-mkdir -p docs
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-pod2text $< > $@
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docs/BusyBox.1: docs/busybox.pod
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- mkdir -p docs
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- 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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- mkdir -p docs
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-@ $(RM_F) docs/BusyBox.html
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-@ 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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-@ mkdir -p docs/busybox.net
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- pod2html --noindex $< > \
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docs/busybox.net/BusyBox.html
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-@ $(RM_F) pod2htm*
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# The nifty new buildsystem stuff
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scripts/bb_mkdep: $(top_srcdir)/scripts/bb_mkdep.c
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$(HOSTCC) $(HOSTCFLAGS) -o $@ $<
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DEP_INCLUDES := include/config.h include/bb_config.h include/_usage.h
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ifeq ($(strip $(CONFIG_BBCONFIG)),y)
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DEP_INCLUDES += include/bbconfigopts.h
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include/bbconfigopts.h: .config
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$(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 $(DEP_INCLUDES)
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@$(RM_F) .depend
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@mkdir -p include/config
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scripts/bb_mkdep -c include/config.h -c include/bb_config.h \
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-I $(top_srcdir)/include $(top_srcdir) > $@.tmp
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mv $@.tmp $@
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include/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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include/bb_config.h: include/config.h
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@echo -e "#ifndef BB_CONFIG_H\n#define BB_CONFIG_H" > $@
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@sed -e 's/#undef CONFIG_\(.*\)/#define ENABLE_\1 0/' \
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-e 's/#define CONFIG_\(.*\)/#define CONFIG_\1\n#define ENABLE_\1/' \
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< $< >> $@
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@echo "#endif" >> $@
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# Create macros for usage.h, e.g.:
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#if ENABLE_HAVE_DOT_CONFIG
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#define USAGE_HAVE_DOT_CONFIG(a) a
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#else
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#define USAGE_HAVE_DOT_CONFIG(a)
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#endif
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include/_usage.h: .config
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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");}}' $(<) > $(@)
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clean:
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- $(MAKE) -C scripts/config $@
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- $(RM_F) docs/busybox.dvi docs/busybox.ps \
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docs/busybox.pod docs/busybox.net/busybox.html \
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docs/busybox pod2htm* *.gdb *.elf *~ core .*config.log \
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docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html \
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docs/busybox.net/BusyBox.html busybox.links \
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$(DO_INSTALL_LIBS) $(LIBBUSYBOX_SONAME) \
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.config.old busybox
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- rm -rf _install testsuite/links
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- find . -name .\*.flags -exec $(RM_F) {} \;
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- find . -name \*.o -exec $(RM_F) {} \;
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- find . -name \*.a -exec $(RM_F) {} \;
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- find . -name \*.so -exec $(RM_F) {} \;
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distclean: clean
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- $(RM_F) scripts/bb_mkdep
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- rm -rf include/config $(DEP_INCLUDES)
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- find . -name .depend -exec $(RM_F) {} \;
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$(RM_F) .config .config.old .config.cmd
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release: distclean #doc
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cd ..; \
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rm -rf $(PROG)-$(VERSION); \
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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
|