busybox/Makefile

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Makefile
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# Makefile for busybox
#
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# Copyright (C) 1999-2000 Erik Andersen <andersee@debian.org>
# Copyright (C) 2000 Karl M. Hegbloom <karlheg@debian.org>
#
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# 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
#
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PROG := busybox
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VERSION := 0.49pre
BUILDTIME := $(shell TZ=UTC date --utc "+%Y.%m.%d-%H:%M%z")
export VERSION
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# With a modern GNU make(1) (highly recommended, that's what all the
# developers use), all of the following configuration values can be
# overridden at the command line. For example:
# make CROSS=powerpc-linux- BB_SRC_DIR=$HOME/busybox PREFIX=/mnt/app
# 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.
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# eg: `make DODEBUG=true tests'
# Do not enable this for production builds...
DODEBUG = false
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# 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
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# 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 BB_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.
BB_SRC_DIR = .
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# If you are running a cross compiler, you may want to set this
# to something more interesting, like "powerpc-linux-".
CROSS =
CC = $(CROSS)gcc
STRIPTOOL = $(CROSS)strip
# To compile vs an alternative libc, you may need to use/adjust
# the following lines to meet your needs. This is how I make
# busybox compile staticly with uClibc (needs BB_FEATURE_NFSMOUNT
# disabled at the moment). Note the _full_ path for LIBCDIR.
# This is because make doesn't do ~ expansion...
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#LIBCDIR=/home/andersen/CVS/uClibc
#LDFLAGS+=-nostdlib
#LIBRARIES = $(LIBCDIR)/libc.a -lgcc
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#CROSS_CFLAGS+=-nostdinc -I$(LIBCDIR)/include -I$(GCCINCDIR)
#GCCINCDIR = $(shell gcc -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp")
# This is how I compile with the uClibc shared lib...
#LIBCDIR=/home/andersen/CVS/uClibc
#LDFLAGS+=-nostdlib
#LIBRARIES = -luClibc -lgcc $(LIBCDIR)/crt0.o
#CROSS_CFLAGS+=-nostdinc -I$(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 $(CC) -Os -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \
then echo "-Os"; else echo "-O2" ; fi)
WARNINGS = -Wall
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ifeq ($(DOLFS),true)
# For large file summit support
CFLAGS+=-D_FILE_OFFSET_BITS=64
endif
ifeq ($(DODMALLOC),true)
# For testing mem leaks with dmalloc
CFLAGS+=-DDMALLOC
LIBRARIES = -ldmalloc
# Force debug=true, since this is useless when not debugging...
DODEBUG = true
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endif
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ifeq ($(DODEBUG),true)
CFLAGS += $(WARNINGS) -g -D_GNU_SOURCE
LDFLAGS += -Wl,-warn-common
STRIP =
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else
CFLAGS += $(WARNINGS) $(OPTIMIZATION) -fomit-frame-pointer -D_GNU_SOURCE
LDFLAGS += -s -Wl,-warn-common
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STRIP = $(STRIPTOOL) --remove-section=.note --remove-section=.comment $(PROG)
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endif
ifeq ($(DOSTATIC),true)
LDFLAGS += --static
#
#use '-ffunction-sections -fdata-sections' and '--gc-sections' (if they
# work) to try and strip out any unused junk. Doesn't do much for me,
# but you may want to give it a shot...
#
#ifeq ($(shell $(CC) -ffunction-sections -fdata-sections -S \
# -o /dev/null -xc /dev/null 2>/dev/null && $(LD) \
# --gc-sections -v >/dev/null && echo 1),1)
# CFLAGS += -ffunction-sections -fdata-sections
# LDFLAGS += --gc-sections
#endif
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endif
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ifndef $(PREFIX)
PREFIX = `pwd`/_install
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endif
# Additional complications due to support for pristine source dir.
# Config.h in the build directory should take precedence over the
# copy in BB_SRC_DIR, both during the compilation phase and the
# shell script that finds the list of object files.
#
# Work in progress by <ldoolitt@recycle.lbl.gov>.
# If it gets in your way, set DISABLE_VPATH=yes
ifeq ($(DISABLE_VPATH),yes)
CONFIG_H = Config.h
else
VPATH = .:$(BB_SRC_DIR)
CONFIG_LIST = $(addsuffix /Config.h,$(subst :, ,$(VPATH)))
CONFIG_H = $(word 1,$(shell ls -f -1 $(CONFIG_LIST) 2>/dev/null))
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CFLAGS += -I- $(patsubst %,-I%,$(subst :, ,$(VPATH))) $(CROSS_CFLAGS)
endif
OBJECTS = $(shell $(BB_SRC_DIR)/busybox.sh $(CONFIG_H) $(BB_SRC_DIR)) busybox.o messages.o usage.o utility.o
CFLAGS += -DBB_VER='"$(VERSION)"'
CFLAGS += -DBB_BT='"$(BUILDTIME)"'
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ifdef BB_INIT_SCRIPT
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CFLAGS += -DINIT_SCRIPT='"$(BB_INIT_SCRIPT)"'
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endif
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all: busybox busybox.links doc
doc: olddoc
# Old Docs...
olddoc: docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html
docs/BusyBox.txt: docs/busybox.pod
@echo
@echo BusyBox Documentation
@echo
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-mkdir -p docs
-pod2text $(BB_SRC_DIR)/docs/busybox.pod > docs/BusyBox.txt
docs/BusyBox.1: docs/busybox.pod
- mkdir -p docs
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- pod2man --center=BusyBox --release="version $(VERSION)" \
$(BB_SRC_DIR)/docs/busybox.pod > docs/BusyBox.1
docs/BusyBox.html: docs/busybox.lineo.com/BusyBox.html
-@ 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
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- pod2html --noindex $(BB_SRC_DIR)/docs/busybox.pod > \
docs/busybox.lineo.com/BusyBox.html
-@ rm -f pod2html*
# New docs based on DOCBOOK SGML
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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)
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docs/busybox/busyboxdocumentation.html: docs/busybox.sgml
- mkdir -p docs
(cd docs/busybox.lineo.com; sgmltools -b html ../busybox.sgml)
busybox: $(OBJECTS)
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$(CC) $(LDFLAGS) -o $@ $^ $(LIBRARIES)
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$(STRIP)
busybox.links: Config.h applets.h
- $(BB_SRC_DIR)/busybox.mkll $(CONFIG_H) $(BB_SRC_DIR)/applets.h >$@
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nfsmount.o cmdedit.o: %.o: %.h
$(OBJECTS): %.o: %.c Config.h busybox.h applets.h Makefile
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utility.o: loop.h
loop.h: mk_loop_h.sh
@ sh $<
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test tests:
cd tests && $(MAKE) all
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clean:
- cd tests && $(MAKE) 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
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- rm -rf docs/busybox _install
- rm -f busybox.links loop.h *~ *.o core
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distclean: clean
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- rm -f busybox
- cd tests && $(MAKE) distclean
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install: busybox busybox.links
$(BB_SRC_DIR)/install.sh $(PREFIX)
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install-hardlinks: busybox busybox.links
$(BB_SRC_DIR)/install.sh $(PREFIX) --hardlinks
debug_pristine:
@ echo VPATH=\"$(VPATH)\"
@ echo CONFIG_LIST=\"$(CONFIG_LIST)\"
@ echo CONFIG_H=\"$(CONFIG_H)\"
@ echo OBJECTS=\"$(OBJECTS)\"
dist release: distclean doc
cd ..; \
rm -rf busybox-$(VERSION); \
cp -a busybox busybox-$(VERSION); \
\
find busybox-$(VERSION)/ -type d \
-name CVS \
-print \
| xargs rm -rf; \
\
find busybox-$(VERSION)/ -type f \
-name .cvsignore \
-print \
| xargs rm -f; \
\
find busybox-$(VERSION)/ -type f \
-name .\#* \
-print \
| xargs rm -f; \
\
tar -cvzf busybox-$(VERSION).tar.gz busybox-$(VERSION)/;
.PHONY: tags
tags:
ctags -R .