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busybox/Makefile

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Makefile
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# Makefile for busybox
#
# Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.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
#
PROG := busybox
VERSION := 0.61.pre
BUILDTIME := $(shell TZ=UTC date -u "+%Y.%m.%d-%H:%M%z")
TOPDIR := ${shell /bin/pwd}
HOSTCC := gcc
HOSTCFLAGS:= -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
# What OS are you compiling busybox for? This allows you to include
# OS specific things, syscall overrides, etc.
TARGET_OS := linux
# With a modern GNU make(1) (highly recommended, that's what all the
# developers use), all of the following configuration values can be
# overridden at the command line. For example:
# make CROSS=powerpc-linux- CONFIG_SRC_DIR=$HOME/busybox PREFIX=/mnt/app
# If you want to add some simple compiler switches (like -march=i686),
# especially from the command line, use this instead of CFLAGS directly.
# For optimization overrides, it's better still to set OPTIMIZATION.
CFLAGS_EXTRA =
# If you want a static binary, turn this on.
DOSTATIC = false
# Set the following to `true' to make a debuggable build.
# Leave this set to `false' for production use.
DODEBUG = false
# This enables compiling with dmalloc ( http://dmalloc.com/ )
# which is an excellent public domain mem leak and malloc problem
# detector. To enable dmalloc, before running busybox you will
# want to first set up your environment.
# eg: `export DMALLOC_OPTIONS=debug=0x14f47d83,inter=100,log=logfile`
# Do not enable this for production builds...
DODMALLOC = false
# Electric-fence is another very useful malloc debugging library.
# Do not enable this for production builds...
DOEFENCE = false
# If you want large file summit support, turn this on.
# This has no effect if you don't have a kernel with lfs
# support, and a system with libc-2.1.3 or later.
# Some of the programs that can benefit from lfs support
# are dd, gzip, mount, tar, and mkfs_minix.
# LFS allows you to use the above programs for files
# larger than 2GB!
DOLFS = false
# If you have a "pristine" source directory, point CONFIG_SRC_DIR to it.
# Experimental and incomplete; tell the mailing list
# <busybox@opensource.lineo.com> if you do or don't like it so far.
CONFIG_SRC_DIR =
# If you are running a cross compiler, you may want to set CROSS
# to something more interesting, like "arm-linux-".
CROSS =
CC = $(CROSS)gcc
AR = $(CROSS)ar
AS = $(CROSS)as
LD = $(CROSS)ld
NM = $(CROSS)nm
STRIP = $(CROSS)strip
CPP = $(CC) -E
MAKEFILES = $(TOPDIR)/.config
export VERSION BUILDTIME TOPDIR HOSTCC HOSTCFLAGS CROSS CC AR AS LD NM STRIP CPP
# To compile vs uClibc, just use the compiler wrapper built by uClibc...
# Everything should compile and work as expected these days...
#CC = /usr/i386-linux-uclibc/usr/bin/i386-uclibc-gcc
# To compile vs some other alternative libc, you may need to use/adjust
# the following lines to meet your needs...
#
# If you are using Red Hat 6.x with the compatible RPMs (for developing under
# Red Hat 5.x and glibc 2.0) uncomment the following. Be sure to read about
# using the compatible RPMs (compat-*) at http://www.redhat.com !
#LIBCDIR=/usr/i386-glibc20-linux
#
# The following is used for libc5 (if you install altgcc and libc5-altdev
# on a Debian system).
#LIBCDIR=/usr/i486-linuxlibc1
#
# For other libraries, you are on your own...
#LDFLAGS+=-nostdlib
#LIBRARIES = $(LIBCDIR)/lib/libc.a -lgcc
#CROSS_CFLAGS+=-nostdinc -I$(LIBCDIR)/include -I$(GCCINCDIR)
#GCCINCDIR = $(shell gcc -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp")
# use '-Os' optimization if available, else use -O2
OPTIMIZATION := ${shell if $(CC) -Os -S -o /dev/null -xc /dev/null \
>/dev/null 2>&1; then echo "-Os"; else echo "-O2" ; fi}
WARNINGS=-Wall -Wstrict-prototypes -Wshadow
CFLAGS = -I $(TOPDIR)/include
ARFLAGS = -r
#
#--------------------------------------------------------
# If you're going to do a lot of builds with a non-vanilla configuration,
# it makes sense to adjust parameters above, so you can type "make"
# by itself, instead of following it by the same half-dozen overrides
# every time. The stuff below, on the other hand, is probably less
# prone to casual user adjustment.
#
ifeq ($(strip $(DOLFS)),true)
# For large file summit support
CFLAGS+=-D_FILE_OFFSET_BITS=64 -D__USE_FILE_OFFSET64
endif
ifeq ($(strip $(DODMALLOC)),true)
# For testing mem leaks with dmalloc
CFLAGS+=-DDMALLOC
LIBRARIES = -ldmalloc
# Force debug=true, since this is useless when not debugging...
DODEBUG = true
else
ifeq ($(strip $(DOEFENCE)),true)
LIBRARIES = -lefence
# Force debug=true, since this is useless when not debugging...
DODEBUG = true
endif
endif
ifeq ($(strip $(DODEBUG)),true)
CFLAGS += $(WARNINGS) -g -D_GNU_SOURCE
LDFLAGS += -Wl,-warn-common
STRIPCMD =
else
CFLAGS += $(WARNINGS) $(OPTIMIZATION) -fomit-frame-pointer -mpreferred-stack-boundary=2 -D_GNU_SOURCE
LDFLAGS += -s -Wl,-warn-common
STRIPCMD = $(STRIP) --remove-section=.note --remove-section=.comment $(PROG)
endif
ifeq ($(strip $(DOSTATIC)),true)
LDFLAGS += --static
endif
ifndef $(PREFIX)
PREFIX = `pwd`/_install
endif
# Additional complications due to support for pristine source dir.
# Include files in the build directory should take precedence over
# the copy in CONFIG_SRC_DIR, both during the compilation phase and the
# shell script that finds the list of object files.
# Work in progress by <ldoolitt@recycle.lbl.gov>.
#
ifneq ($(strip $(CONFIG_SRC_DIR)),)
VPATH = $(CONFIG_SRC_DIR)
endif
OBJECTS = $(APPLET_SOURCES:.c=.o) busybox.o usage.o applets.o
CFLAGS += $(CROSS_CFLAGS)
ifdef CONFIG_INIT_SCRIPT
CFLAGS += -DINIT_SCRIPT='"$(CONFIG_INIT_SCRIPT)"'
endif
# Put user-supplied flags at the end, where they
# have a chance of winning.
CFLAGS += $(CFLAGS_EXTRA)
.EXPORT_ALL_VARIABLES:
all: do-it-all
#
# Make "config" the default target if there is no configuration file or
# "depend" the target if there is no top-level dependency information.
ifeq (.config,$(wildcard .config))
include .config
ifeq (.depend,$(wildcard .depend))
include .depend
do-it-all: busybox busybox.links doc
else
CONFIGURATION = depend
do-it-all: depend
endif
else
CONFIGURATION = menuconfig
do-it-all: menuconfig
endif
SUBDIRS =applets archival archival/libunarchive console-tools editors \
fileutils findutils init miscutils modutils networking procps \
pwd_grp shell shellutils sysklogd textutils util-linux libbb
bbsubdirs: $(patsubst %, _dir_%, $(SUBDIRS))
$(patsubst %, _dir_%, $(SUBDIRS)) : dummy include/config/MARKER
$(MAKE) CFLAGS="$(CFLAGS)" -C $(patsubst _dir_%, %, $@)
busybox: config.h depend bbsubdirs
$(CC) $(LDFLAGS) -o $@ $(shell find $(SUBDIRS) -name \*.a) $(LIBCONFIG_LIB) $(LIBRARIES)
$(STRIPCMD)
busybox.links: applets/busybox.mkll
- $(SHELL) $^ >$@
install: applets/install.sh busybox busybox.links
$(SHELL) $< $(PREFIX)
install-hardlinks: applets/install.sh busybox busybox.links
$(SHELL) $< $(PREFIX) --hardlinks
# Documentation Targets
doc: olddoc
# Old Docs...
olddoc: docs/busybox.pod docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html
docs/busybox.pod : docs/busybox_header.pod applets/usage.h docs/busybox_footer.pod
- ( cat docs/busybox_header.pod; \
docs/autodocifier.pl applets/usage.h; \
cat docs/busybox_footer.pod ) > docs/busybox.pod
docs/BusyBox.txt: docs/busybox.pod
@echo
@echo BusyBox Documentation
@echo
-mkdir -p docs
-pod2text $< > $@
docs/BusyBox.1: docs/busybox.pod
- mkdir -p docs
- pod2man --center=BusyBox --release="version $(VERSION)" \
$< > $@
docs/BusyBox.html: docs/busybox.lineo.com/BusyBox.html
- mkdir -p docs
-@ rm -f docs/BusyBox.html
-@ ln -s busybox.lineo.com/BusyBox.html docs/BusyBox.html
docs/busybox.lineo.com/BusyBox.html: docs/busybox.pod
-@ mkdir -p docs/busybox.lineo.com
- pod2html --noindex $< > \
docs/busybox.lineo.com/BusyBox.html
-@ rm -f pod2htm*
# New docs based on DOCBOOK SGML
newdoc: docs/busybox.txt docs/busybox.pdf docs/busybox/busyboxdocumentation.html
docs/busybox.txt: docs/busybox.sgml
@echo
@echo BusyBox Documentation
@echo
- mkdir -p docs
(cd docs; sgmltools -b txt busybox.sgml)
docs/busybox.dvi: docs/busybox.sgml
- mkdir -p docs
(cd docs; sgmltools -b dvi busybox.sgml)
docs/busybox.ps: docs/busybox.sgml
- mkdir -p docs
(cd docs; sgmltools -b ps busybox.sgml)
docs/busybox.pdf: docs/busybox.ps
- mkdir -p docs
(cd docs; ps2pdf busybox.ps)
docs/busybox/busyboxdocumentation.html: docs/busybox.sgml
- mkdir -p docs
(cd docs/busybox.lineo.com; sgmltools -b html ../busybox.sgml)
# The nifty new buildsystem stuff
scripts/mkdep: scripts/mkdep.c
$(HOSTCC) $(HOSTCFLAGS) -o scripts/mkdep scripts/mkdep.c
scripts/split-include: scripts/split-include.c
$(HOSTCC) $(HOSTCFLAGS) -o scripts/split-include scripts/split-include.c
dep-files: scripts/mkdep
if [ ! -f .depend ] ; then \
rm -f .depend .hdepend; \
mkdir -p $(TOPDIR)/include/config; \
scripts/mkdep -I $(TOPDIR)/include -- \
`find $(TOPDIR) -name \*.c -print` >> .depend; \
scripts/mkdep -I $(TOPDIR)/include -- \
`find $(TOPDIR) -name \*.h -print` >> .hdepend; \
$(MAKE) $(patsubst %,_sfdep_%,$(SUBDIRS)) _FASTDEP_ALL_SUB_DIRS="$(SUBDIRS)" ; \
fi;
depend dep: config.h dep-files
@ echo -e "\n\nNow run 'make' to build BusyBox\n\n"
CONFIG_SHELL := ${shell if [ -x "$$BASH" ]; then echo $$BASH; \
else if [ -x /bin/bash ]; then echo /bin/bash; \
else echo sh; fi ; fi}
include/config/MARKER: scripts/split-include include/config.h
scripts/split-include include/config.h include/config
@ touch include/config/MARKER
config.h:
@if [ ! -f include/config.h ] ; then \
make oldconfig; \
fi;
menuconfig:
mkdir -p $(TOPDIR)/include/config
$(MAKE) -C scripts/lxdialog all
$(CONFIG_SHELL) scripts/Menuconfig sysdeps/$(TARGET_OS)/config.in
config:
mkdir -p $(TOPDIR)/include/config
$(CONFIG_SHELL) scripts/Configure sysdeps/$(TARGET_OS)/config.in
oldconfig:
mkdir -p $(TOPDIR)/include/config
$(CONFIG_SHELL) scripts/Configure -d sysdeps/$(TARGET_OS)/config.in
ifdef CONFIGURATION
..$(CONFIGURATION):
@echo
@echo "You have a bad or nonexistent" .$(CONFIGURATION) ": running 'make" $(CONFIGURATION)"'"
@echo
$(MAKE) $(CONFIGURATION)
@echo
@echo "Successful. Try re-making (ignore the error that follows)"
@echo
exit 1
dummy:
else
dummy:
endif
include Rules.mak
# Testing...
test tests:
# old way of doing it
#cd tests && $(MAKE) all
# new way of doing it
cd tests && ./tester.sh
# Cleanup
clean:
- $(MAKE) -C tests clean
- $(MAKE) -C scripts/lxdialog clean
- rm -f docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html \
docs/busybox.lineo.com/BusyBox.html
- rm -f docs/busybox.txt docs/busybox.dvi docs/busybox.ps \
docs/busybox.pdf docs/busybox.lineo.com/busybox.html \
docs/busybox _install pod2htm* *.gdb *.elf *~ core
- rm -f busybox.links libbb/loop.h .config.old .hdepend
- rm -f scripts/split-include scripts/mkdep .*config.log
- rm -rf include/config include/config.h
- find -name .\*.flags -o -name .depend -exec rm -f {} \;
- find -name \*.o -exec rm -f {} \;
- find -name \*.a -exec rm -f {} \;
distclean: clean
- rm -f busybox
- cd tests && $(MAKE) distclean
dist release: distclean doc
cd ..; \
rm -rf busybox-$(VERSION); \
cp -a busybox busybox-$(VERSION); \
\
find busybox-$(VERSION)/ -type d \
-name CVS \
-print \
-exec rm -rf {} \; ; \
\
find busybox-$(VERSION)/ -type f \
-name .\#* \
-print \
-exec rm -f {} \; ; \
\
tar -cvzf busybox-$(VERSION).tar.gz busybox-$(VERSION)/;
.PHONY: tags
tags:
ctags -R .
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