with Matt Kraai <kraai@alumni.carnegiemellon.edu>) to allow for a pristine source directory -- where all the .o files and such are not placed into the source tree. Thanks Larry!
		
			
				
	
	
		
			243 lines
		
	
	
		
			7.0 KiB
		
	
	
	
		
			Makefile
		
	
	
	
	
	
			
		
		
	
	
			243 lines
		
	
	
		
			7.0 KiB
		
	
	
	
		
			Makefile
		
	
	
	
	
	
| # Makefile for busybox
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| #
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| # Copyright (C) 1999-2000 Erik Andersen <andersee@debian.org>
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| # Copyright (C) 2000 Karl M. Hegbloom <karlheg@debian.org>
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| #
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| # This program is free software; you can redistribute it and/or modify
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| # it under the terms of the GNU General Public License as published by
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| # the Free Software Foundation; either version 2 of the License, or
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| # (at your option) any later version.
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| #
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| # This program is distributed in the hope that it will be useful,
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| # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| # General Public License for more details.
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| #
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| # You should have received a copy of the GNU General Public License
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| # along with this program; if not, write to the Free Software
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| # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| #
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| 
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| PROG      := busybox
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| VERSION   := 0.48pre
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| BUILDTIME := $(shell TZ=UTC date --utc "+%Y.%m.%d-%H:%M%z")
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| export VERSION
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| 
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| # With a modern GNU make(1) (highly recommended, that's what all the
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| # developers use), all of the following configuration values can be
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| # overridden at the command line.  For example:
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| #   make CROSS=powerpc-linux- BB_SRC_DIR=$HOME/busybox PREFIX=/mnt/app
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| 
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| # If you want a static binary, turn this on.
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| DOSTATIC = false
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| 
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| # Set the following to `true' to make a debuggable build.
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| # Leave this set to `false' for production use.
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| # eg: `make DODEBUG=true tests'
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| # Do not enable this for production builds...
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| DODEBUG = false
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| 
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| # This enables compiling with dmalloc ( http://dmalloc.com/ )
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| # which is an excellent public domain mem leak and malloc problem
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| # detector.  To enable dmalloc, before running busybox you will
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| # want to first set up your environment.
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| # eg: `export DMALLOC_OPTIONS=debug=0x14f47d83,inter=100,log=logfile`
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| # Do not enable this for production builds...
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| DODMALLOC = false
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| 
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| # If you want large file summit support, turn this on.
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| # This has no effect if you don't have a kernel with lfs
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| # support, and a system with libc-2.1.3 or later.
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| # Some of the programs that can benefit from lfs support
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| # are dd, gzip, mount, tar, and mkfs_minix.
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| # LFS allows you to use the above programs for files
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| # larger than 2GB!
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| DOLFS = false
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| 
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| # If you have a "pristine" source directory, point BB_SRC_DIR to it.
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| BB_SRC_DIR = .
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| 
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| # If you are running a cross compiler, you may want to set this
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| # to something more interesting, like "powerpc-linux-".
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| CROSS =
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| CC = $(CROSS)gcc
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| STRIPTOOL = $(CROSS)strip
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| 
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| # To compile vs an alternative libc, you may need to use/adjust
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| # the following lines to meet your needs.  This is how I make
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| # busybox compile with uC-Libc...
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| #LIBCDIR=/home/andersen/CVS/uC-libc
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| #GCCINCDIR = $(shell gcc -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp")
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| #CFLAGS+=-nostdinc -I$(LIBCDIR)/include -I$(GCCINCDIR)
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| #LDFLAGS+=-nostdlib
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| #LIBRARIES = $(LIBCDIR)/libc.a -lgcc
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| 
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| #--------------------------------------------------------
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| 
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| # use '-Os' optimization if available, else use -O2
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| OPTIMIZATION = $(shell if $(CC) -Os -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \
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|     then echo "-Os"; else echo "-O2" ; fi)
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| 
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| WARNINGS = -Wall
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| 
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| VPATH += :$(BB_SRC_DIR)
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| 
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| ifeq ($(DOLFS),true)
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|     # For large file summit support
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|     CFLAGS+=-D_FILE_OFFSET_BITS=64
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| endif
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| ifeq ($(DODMALLOC),true)
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|     # For testing mem leaks with dmalloc
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|     CFLAGS+=-DDMALLOC
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|     LIBRARIES = -ldmalloc
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|     # Force debug=true, since this is useless when not debugging...
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|     DODEBUG = true
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| endif
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| # -D_GNU_SOURCE is needed because environ is used in init.c
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| ifeq ($(DODEBUG),true)
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|     CFLAGS += $(WARNINGS) -g -D_GNU_SOURCE
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|     LDFLAGS += 
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|     STRIP   =
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| else
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|     CFLAGS  += $(WARNINGS) $(OPTIMIZATION) -fomit-frame-pointer -D_GNU_SOURCE
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|     LDFLAGS  += -s
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|     STRIP    = $(STRIPTOOL) --remove-section=.note --remove-section=.comment $(PROG)
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| endif
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| ifeq ($(DOSTATIC),true)
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|     LDFLAGS += --static
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|     #
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|     #use '-ffunction-sections -fdata-sections' and '--gc-sections' (if they 
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|     # work) to try and strip out any unused junk.  Doesn't do much for me, 
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|     # but you may want to give it a shot...
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|     #
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|     #ifeq ($(shell $(CC) -ffunction-sections -fdata-sections -S \
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|     #	-o /dev/null -xc /dev/null 2>/dev/null && $(LD) \
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|     #			--gc-sections -v >/dev/null && echo 1),1)
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|     #	CFLAGS += -ffunction-sections -fdata-sections
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|     #	LDFLAGS += --gc-sections
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|     #endif
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| endif
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| 
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| ifndef $(PREFIX)
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|     PREFIX = `pwd`/_install
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| endif
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| 
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| OBJECTS   = $(shell cd $(BB_SRC_DIR); ./busybox.sh) busybox.o messages.o usage.o utility.o
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| CFLAGS    += -DBB_VER='"$(VERSION)"'
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| 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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| 
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| 
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| all: busybox busybox.links doc
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| 
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| doc: olddoc
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| 
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| # Old Docs...
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| olddoc: docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html
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| 
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| docs/BusyBox.txt: docs/busybox.pod
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| 	@echo
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| 	@echo BusyBox Documentation
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| 	@echo
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| 	- pod2text docs/busybox.pod > docs/BusyBox.txt
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| 
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| docs/BusyBox.1: docs/busybox.pod
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| 	- pod2man --center=BusyBox --release="version $(VERSION)" docs/busybox.pod > docs/BusyBox.1
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| 
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| docs/BusyBox.html: docs/busybox.lineo.com/BusyBox.html
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| 	- rm -f docs/BusyBox.html
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| 	- ln -s busybox.lineo.com/BusyBox.html docs/BusyBox.html
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| 
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| docs/busybox.lineo.com/BusyBox.html: docs/busybox.pod
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| 	- pod2html --noindex docs/busybox.pod > docs/busybox.lineo.com/BusyBox.html
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| 	- rm -f pod2html*
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| 
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| 
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| # New docs based on DOCBOOK SGML
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| newdoc: docs/busybox.txt docs/busybox.pdf docs/busybox/busyboxdocumentation.html
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| 
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| docs/busybox.txt: docs/busybox.sgml
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| 	@echo
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| 	@echo BusyBox Documentation
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| 	@echo
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| 	(cd docs; sgmltools -b txt busybox.sgml)
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| 
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| docs/busybox.dvi: docs/busybox.sgml
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| 	(cd docs; sgmltools -b dvi busybox.sgml)
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| 
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| docs/busybox.ps: docs/busybox.sgml
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| 	(cd docs; sgmltools -b ps busybox.sgml)
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| 
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| docs/busybox.pdf: docs/busybox.ps
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| 	(cd docs; ps2pdf busybox.ps)
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| 
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| docs/busybox/busyboxdocumentation.html: docs/busybox.sgml
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| 	(cd docs/busybox.lineo.com; sgmltools -b html ../busybox.sgml)
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| 
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| 
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| 
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| busybox: $(OBJECTS) 
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| 	$(CC) $(LDFLAGS) -o $@ $^ $(LIBRARIES)
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| 	$(STRIP)
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| 
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| busybox.links: Config.h
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| 	- ./busybox.mkll | sort >$@
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| 
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| nfsmount.o cmdedit.o: %.o: %.h
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| $(OBJECTS): %.o: %.c Config.h busybox.h Makefile
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| 
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| utility.o: loop.h
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| 
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| loop.h:
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| 	@$(BB_SRC_DIR)/mk_loop_h.sh
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| 
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| test tests:
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| 	cd tests && $(MAKE) all
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| 
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| clean:
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| 	- cd tests && $(MAKE) clean
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| 	- rm -f docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html \
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| 	    docs/busybox.lineo.com/BusyBox.html
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| 	- rm -f docs/busybox.txt docs/busybox.dvi docs/busybox.ps \
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| 	    docs/busybox.pdf docs/busybox.lineo.com/busybox.html
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| 	- rm -rf docs/busybox _install
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| 	- rm -f busybox.links *~ *.o core
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| 
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| distclean: clean
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| 	- rm -f busybox
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| 	- cd tests && $(MAKE) distclean
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| 
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| install: busybox busybox.links
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| 	./install.sh $(PREFIX)
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| 
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| install-hardlinks: busybox busybox.links
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| 	./install.sh $(PREFIX) --hardlinks
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| 
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| dist release: distclean doc
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| 	cd ..;					\
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| 	rm -rf busybox-$(VERSION);		\
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| 	cp -a busybox busybox-$(VERSION);	\
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| 						\
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| 	find busybox-$(VERSION)/ -type d	\
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| 				 -name CVS	\
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| 				 -print		\
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| 		| xargs rm -rf;			\
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| 						\
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| 	find busybox-$(VERSION)/ -type f	\
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| 				 -name .cvsignore \
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| 				 -print		\
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| 		| xargs rm -f;			\
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| 						\
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| 	find busybox-$(VERSION)/ -type f	\
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| 				 -name .\#*	\
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| 				 -print		\
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| 		| xargs rm -f;			\
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| 						\
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| 	tar -cvzf busybox-$(VERSION).tar.gz busybox-$(VERSION)/;
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| 
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| .PHONY: tags
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| tags:
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| 	ctags -R .
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