# 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 \
+# You shouldn't have to edit anything in this file for configuration
+# purposes, try "make help" or read http://busybox.net/FAQ.html.
+
+.PHONY: dummy subdirs release distclean clean config oldconfig menuconfig \
+ tags check test depend dep buildtree hosttools _all checkhelp \
+ sizes bloatcheck baseline objsizes
+
+noconfig_targets := menuconfig config oldconfig randconfig hosttools \
defconfig allyesconfig allnoconfig allbareconfig \
clean distclean help \
release tags
+nocheck_targets := clean distclean help release tags
+
# the toplevel sourcedir
ifndef top_srcdir
top_srcdir=$(CURDIR)
SRC_DIRS:=$(patsubst %,$(top_srcdir)/%,$(DIRS))
# That's our default target when none is given on the command line
-.PHONY: _all
_all:
CONFIG_CONFIG_IN = $(top_srcdir)/Config.in
-ifeq ($(KBUILD_SRC),)
-
+ifeq ($(BUILD_SRC),)
ifdef O
ifeq ("$(origin O)", "command line")
- KBUILD_OUTPUT := $(O)
+ BUILD_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
+# We are using BUILD_OUTPUT nevertheless to make sure that we create
# Rules.mak and the toplevel Makefile, in case they don't exist.
- KBUILD_OUTPUT := $(top_builddir)
+ BUILD_OUTPUT := $(top_builddir)
+endif
+
+# see if we are in verbose mode
+BUILD_VERBOSE :=
+ifdef V
+ ifeq ("$(origin V)", "command line")
+ BUILD_VERBOSE := $(V)
+ endif
+endif
+ifdef VERBOSE
+ ifeq ("$(origin VERBOSE)", "command line")
+ BUILD_VERBOSE := $(VERBOSE)
+ endif
+endif
+
+ifneq ($(strip $(BUILD_VERBOSE)),)
+ export BUILD_VERBOSE
+ CHECK_VERBOSE := -v
+# ARFLAGS+=v
endif
ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
-# pull in OS specific commands like cp, mkdir, etc. early
+# pull in settings early
-include $(top_srcdir)/Rules.mak
endif
$(all_tree):
@mkdir -p "$@"
-ifneq ($(KBUILD_OUTPUT),)
+ifneq ($(BUILD_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)),, \
+saved-output := $(BUILD_OUTPUT)
+BUILD_OUTPUT := $(shell cd $(BUILD_OUTPUT) && /bin/pwd)
+$(if $(wildcard $(BUILD_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
- $(Q)$(MAKE) -C $(KBUILD_OUTPUT) \
+$(filter-out _all,$(MAKECMDGOALS)) _all: $(BUILD_OUTPUT)/Rules.mak $(BUILD_OUTPUT)/Makefile all_tree
+ $(Q)$(MAKE) -C $(BUILD_OUTPUT) \
top_srcdir=$(top_srcdir) \
top_builddir=$(top_builddir) \
- KBUILD_SRC=$(top_srcdir) \
+ BUILD_SRC=$(top_srcdir) \
-f $(CURDIR)/Makefile $@
-$(KBUILD_OUTPUT)/Rules.mak:
+$(BUILD_OUTPUT)/Rules.mak:
@echo > $@
@echo top_srcdir=$(top_srcdir) >> $@
- @echo top_builddir=$(KBUILD_OUTPUT) >> $@
+ @echo top_builddir=$(BUILD_OUTPUT) >> $@
@echo include $(top_srcdir)/Rules.mak >> $@
-$(KBUILD_OUTPUT)/Makefile:
+$(BUILD_OUTPUT)/Makefile:
@echo > $@
@echo top_srcdir=$(top_srcdir) >> $@
- @echo top_builddir=$(KBUILD_OUTPUT) >> $@
- @echo KBUILD_SRC='$$(top_srcdir)' >> $@
- @echo include '$$(KBUILD_SRC)'/Makefile >> $@
+ @echo top_builddir=$(BUILD_OUTPUT) >> $@
+ @echo BUILD_SRC='$$(top_srcdir)' >> $@
+ @echo include '$$(BUILD_SRC)'/Makefile >> $@
# Leave processing to above invocation of make
skip-makefile := 1
-endif # ifneq ($(KBUILD_OUTPUT),)
-endif # ifeq ($(KBUILD_SRC),)
+endif # ifneq ($(BUILD_OUTPUT),)
+endif # ifeq ($(BUILD_SRC),)
ifeq ($(skip-makefile),)
@echo ' all - Executable and documentation'
@echo ' busybox - the swiss-army executable'
@echo ' doc - docs/BusyBox.{txt,html,1}'
+ @echo ' html - create html-based cross-reference'
@echo
@echo 'Configuration:'
@echo ' allnoconfig - disable all symbols in .config'
@echo ' defconfig - set .config to largest generic configuration'
@echo ' menuconfig - interactive curses-based configurator'
@echo ' oldconfig - resolve any unresolved symbols in .config'
+ @echo ' hosttools - build sed for the host.'
+ @echo ' You can use these commands if the commands on the host'
+ @echo ' is unusable. Afterwards use it like:'
+ @echo ' make SED="$(top_builddir)/sed"'
@echo
@echo 'Installation:'
@echo ' install - install busybox into $(PREFIX)'
@echo ' uninstall'
@echo
@echo 'Development:'
- @echo ' bloatcheck - show size difference between busybox_unstripped'
- @echo ' and busybox_old
+ @echo ' baseline - create busybox_old for bloatcheck.'
+ @echo ' bloatcheck - show size difference between old and new versions'
@echo ' check - run the test suite for all applets'
@echo ' checkhelp - check for missing help-entries in Config.in'
@echo ' randconfig - generate a random configuration'
fi
menuconfig: scripts/config/mconf
- @[ -f .config ] || make $(MAKEFLAGS) defconfig
+ @[ -f .config ] || $(MAKE) $(MAKEFLAGS) defconfig
@./scripts/config/mconf $(CONFIG_CONFIG_IN)
config: scripts/config/conf
@./scripts/config/conf -r $(CONFIG_CONFIG_IN)
allyesconfig: scripts/config/conf
- @./scripts/config/conf -y $(CONFIG_CONFIG_IN)
- @$(SED) -i -r -e "s/^(USING_CROSS_COMPILER)=.*/# \1 is not set/" .config
- @./scripts/config/conf -o $(CONFIG_CONFIG_IN)
+ @./scripts/config/conf -y $(CONFIG_CONFIG_IN) > /dev/null
allnoconfig: scripts/config/conf
- @./scripts/config/conf -n $(CONFIG_CONFIG_IN)
+ @./scripts/config/conf -n $(CONFIG_CONFIG_IN) > /dev/null
# defconfig is allyesconfig minus any features that are specialized enough
# or cause enough behavior change that the user really should switch them on
# manually if that's what they want. Sort of "maximum sane config".
defconfig: scripts/config/conf
- @./scripts/config/conf -y $(CONFIG_CONFIG_IN)
- @$(SED) -i -r -e "s/^(USING_CROSS_COMPILER|CONFIG_(DEBUG.*|STATIC|SELINUX|BUILD_(AT_ONCE|LIBBUSYBOX)|FEATURE_(DEVFS|FULL_LIBBUSYBOX|SHARED_BUSYBOX|MTAB_SUPPORT|CLEAN_UP|UDHCP_DEBUG)|INSTALL_NO_USR))=.*/# \1 is not set/" .config
- @./scripts/config/conf -o $(CONFIG_CONFIG_IN)
+ @./scripts/config/conf -y $(CONFIG_CONFIG_IN) > /dev/null
+ @$(SED) -i -r -e "s/^(CONFIG_(DEBUG.*|STATIC|SELINUX|BUILD_(AT_ONCE|LIBBUSYBOX)|FEATURE_(DEVFS|FULL_LIBBUSYBOX|SHARED_BUSYBOX|MTAB_SUPPORT|CLEAN_UP|UDHCP_DEBUG)|INSTALL_NO_USR))=.*/# \1 is not set/" .config
+ @./scripts/config/conf -o $(CONFIG_CONFIG_IN) > /dev/null
allbareconfig: scripts/config/conf
- @./scripts/config/conf -y $(CONFIG_CONFIG_IN)
- @$(SED) -i -r -e "s/^(USING_CROSS_COMPILER|CONFIG_(DEBUG|STATIC|SELINUX|DEVFSD|NC_GAPING_SECURITY_HOLE|BUILD_AT_ONCE)).*/# \1 is not set/" .config
+ @./scripts/config/conf -y $(CONFIG_CONFIG_IN) > /dev/null
+ @$(SED) -i -r -e "s/^(CONFIG_(DEBUG|STATIC|SELINUX|DEVFSD|NC_GAPING_SECURITY_HOLE|BUILD_AT_ONCE)).*/# \1 is not set/" .config
@$(SED) -i -e "/FEATURE/s/=.*//;/^[^#]/s/.*FEATURE.*/# \0 is not set/;" .config
@echo "CONFIG_FEATURE_BUFFERS_GO_ON_STACK=y" >> .config
- @yes n | ./scripts/config/conf -o $(CONFIG_CONFIG_IN)
+ @yes n | ./scripts/config/conf -o $(CONFIG_CONFIG_IN) > /dev/null
+
+hosttools:
+ $(Q)cp .config .config.bak || noold=yea
+ $(Q)$(MAKE) CC="$(HOSTCC)" CFLAGS="$(HOSTCFLAGS) $(INCS)" allnoconfig
+ $(Q)mv .config .config.in
+ $(Q)(grep -v CONFIG_SED .config.in ; \
+ echo "CONFIG_SED=y" ; ) > .config
+ $(Q)$(MAKE) CC="$(HOSTCC)" CFLAGS="$(HOSTCFLAGS) $(INCS)" oldconfig include/bb_config.h
+ $(Q)$(MAKE) CC="$(HOSTCC)" CFLAGS="$(HOSTCFLAGS) $(INCS)" busybox
+ $(Q)[ -f .config.bak ] && mv .config.bak .config || rm .config
+ mv busybox sed
+ @echo "Now do: $(MAKE) SED=$(top_builddir)/sed <target>"
else # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
ifndef MAJOR_VERSION
$(error MAJOR_VERSION needed for $@ is not defined)
endif
- $(do_link) $(LIB_CFLAGS) $(CFLAGS_COMBINE) \
+ $(do_link.so) \
-Wl,-soname=$(LD_LIBBUSYBOX).$(MAJOR_VERSION) \
- -Wl,-z,combreloc $(LIB_LDFLAGS) \
- -o $(@) \
- -Wl,--start-group -Wl,--whole-archive \
- $(LIBRARY_DEFINE) $(^) \
- -Wl,--no-whole-archive -Wl,--end-group
+ -Wl,-z,combreloc
@rm -f $(DO_INSTALL_LIBS)
@for i in $(DO_INSTALL_LIBS); do ln -s $(@) $$i ; done
$(do_strip)
endif # ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
-busybox_unstripped: .depend $(LIBBUSYBOX_SONAME) $(BUSYBOX_SRC) $(libraries-y)
- $(do_link) $(PROG_CFLAGS) $(PROG_LDFLAGS) $(CFLAGS_COMBINE) \
- -o $@ -Wl,--start-group \
- $(APPLETS_DEFINE) $(APPLET_SRC) \
- $(BUSYBOX_DEFINE) $(BUSYBOX_SRC) $(libraries-y) \
- $(LDBUSYBOX) $(LIBRARIES) \
- -Wl,--end-group
+busybox_unstripped: .depend $(LIBBUSYBOX_SONAME) $(BUSYBOX_SRC) $(APPLET_SRC) $(libraries-y)
+ $(do_link)
busybox: busybox_unstripped
$(Q)cp busybox_unstripped busybox
done
endif
-# see if we are in verbose mode
-KBUILD_VERBOSE :=
-ifdef V
- ifeq ("$(origin V)", "command line")
- KBUILD_VERBOSE := $(V)
- endif
-endif
-ifneq ($(strip $(KBUILD_VERBOSE)),)
- CHECK_VERBOSE := -v
-# ARFLAGS+=v
-endif
check test: busybox
- bindir=$(top_builddir) srcdir=$(top_srcdir)/testsuite \
- $(top_srcdir)/testsuite/runtest $(CHECK_VERBOSE)
+ bindir=$(top_builddir) srcdir=$(top_srcdir)/testsuite SED="$(SED)" \
+ $(SHELL) $(top_srcdir)/testsuite/runtest $(CHECK_VERBOSE)
-.PHONY: checkhelp
checkhelp:
$(Q)$(top_srcdir)/scripts/checkhelp.awk \
$(wildcard $(patsubst %,%/Config.in,$(SRC_DIRS) ./))
-.PHONY: sizes
+
sizes: busybox_unstripped
$(NM) --size-sort $(<)
-.PHONY: bloatcheck
+
bloatcheck: busybox_old busybox_unstripped
@$(top_srcdir)/scripts/bloat-o-meter busybox_old busybox_unstripped
-.PHONY: objsizes
+baseline: busybox_unstripped
+ @mv busybox_unstripped busybox_old
+
objsizes: busybox_unstripped
$(SHELL) $(top_srcdir)/scripts/objsizes
ifeq ($(strip $(CONFIG_BBCONFIG)),y)
DEP_INCLUDES += include/bbconfigopts.h
-include/bbconfigopts.h: .config
+include/bbconfigopts.h: .config $(top_srcdir)/scripts/config/mkconfigs
$(disp_gen)
$(Q)$(top_srcdir)/scripts/config/mkconfigs > $@
endif
-scripts/usage: $(top_srcdir)/scripts/usage.c .config
- $(do_link.h) -I$(top_srcdir)/include
+ifeq ($(strip $(CONFIG_FEATURE_COMPRESS_USAGE)),y)
+USAGE_BIN:=scripts/usage
+$(USAGE_BIN): $(top_srcdir)/scripts/usage.c .config
+ $(do_link.h)
DEP_INCLUDES += include/usage_compressed.h
-include/usage_compressed.h: .config scripts/usage
- $(Q)sh $(top_srcdir)/scripts/usage_compressed "$(top_srcdir)/scripts" > $@
+
+include/usage_compressed.h: .config $(USAGE_BIN) $(top_srcdir)/scripts/usage_compressed
+ $(Q)SED="$(SED)" $(SHELL) $(top_srcdir)/scripts/usage_compressed "$(top_builddir)/scripts" > $@
+endif # CONFIG_FEATURE_COMPRESS_USAGE
+
+# workaround alleged bug in make-3.80, make-3.81
+.NOTPARALLEL: .depend
depend dep: .depend
-.depend: scripts/bb_mkdep $(DEP_INCLUDES)
+.depend: scripts/bb_mkdep $(USAGE_BIN) $(DEP_INCLUDES)
$(disp_gen)
$(Q)rm -f .depend
$(Q)mkdir -p include/config
libbusybox.so* \
.config.old busybox busybox_unstripped
- rm -r -f _install testsuite/links
- - find . -name .\*.flags -o -name \*.o -o -name \*.om \
+ - find . -name .\*.flags -o -name \*.o -o -name \*.om -o -name \*.syn \
-o -name \*.os -o -name \*.osm -o -name \*.a | xargs rm -f
distclean: clean
- - rm -f scripts/bb_mkdep
- - rm -r -f include/config $(DEP_INCLUDES)
- - find . -name .depend'*' | xargs rm -f
+ rm -f scripts/bb_mkdep scripts/usage
+ rm -r -f include/config include/config.h $(DEP_INCLUDES)
+ find . -name .depend'*' -print0 | xargs -0 rm -f
+ rm -f .hdepend
rm -f .config .config.old .config.cmd
release: distclean #doc
tags:
ctags -R .
+# documentation, cross-reference
+# Modern distributions already ship synopsis packages (e.g. debian)
+# If you have an old distribution go to http://synopsis.fresco.org/
+syn_tgt := $(wildcard $(patsubst %,%/*.c,$(SRC_DIRS)))
+syn := $(patsubst %.c, %.syn, $(syn_tgt))
+
+%.syn: %.c
+ synopsis -p C -l Comments.SSDFilter,Comments.Previous $(INCS) -Wp,verbose,debug,preprocess,cppflags="'$(CFLAGS) $(EXTRA_CFLAGS) $(LDFLAGS) $(PROG_CFLAGS) $(PROG_LDFLAGS) $(CFLAGS_COMBINE) $(APPLETS_DEFINE) $(BUSYBOX_DEFINE)'" -o $@ $<
+html: $(syn)
+ synopsis -f HTML -Wf,title="'BusyBox Documentation'" -o $@ $^
+
endif # ifeq ($(skip-makefile),)
-.PHONY: dummy subdirs release distclean clean config oldconfig \
- menuconfig tags check test depend dep buildtree