193 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			Makefile
		
	
	
	
	
	
			
		
		
	
	
			193 lines
		
	
	
		
			5.3 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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PROG      := busybox
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VERSION   := 0.46
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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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# 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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DODEBUG = false
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# If you want a static binary, turn this on.
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DOSTATIC = false
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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 did it...
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#GCCINCDIR = $(shell gcc -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp")
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#CFLAGS+=-nostdinc -fno-builtin -I/home/andersen/CVS/uC-libc/include -I$(GCCINCDIR)
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#LDFLAGS+=-nostdlib
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#LIBRARIES = /home/andersen/CVS/uC-libc/libc.a
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CC = gcc
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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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# Allow alternative stripping tools to be used...
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ifndef $(STRIPTOOL)
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    STRIPTOOL = strip
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endif
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# -D_GNU_SOURCE is needed because environ is used in init.c
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ifeq ($(DODEBUG),true)
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    CFLAGS += -Wall -g -D_GNU_SOURCE
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    LDFLAGS += 
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    STRIP   =
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else
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    CFLAGS  += -Wall $(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 $(PROG)
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    #Only staticly link when _not_ debugging 
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    ifeq ($(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 work
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	#to try and strip out any unused junk.  Doesn't do much for me, but you may
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	#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) --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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endif
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ifndef $(PREFIX)
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    PREFIX = `pwd`/_install
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endif
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OBJECTS   = $(shell ./busybox.sh) busybox.o messages.o utility.o
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CFLAGS    += -DBB_VER='"$(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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all: busybox busybox.links doc
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doc: olddoc
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# Old Docs...
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olddoc: docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html
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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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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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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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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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# New docs based on DOCBOOK SGML
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newdoc: docs/busybox.txt docs/busybox.pdf docs/busybox/busybox.html
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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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docs/busybox.dvi: docs/busybox.sgml
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	(cd docs; sgmltools -b dvi busybox.sgml)
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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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docs/busybox.pdf: docs/busybox.ps
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	(cd docs; ps2pdf busybox.ps)
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docs/busybox/busybox.html: docs/busybox.sgml
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	(cd docs/busybox.lineo.com; sgmltools -b html ../busybox.sgml)
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busybox: $(OBJECTS)
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	$(CC) $(LDFLAGS) -o $@ $^ $(LIBRARIES)
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	$(STRIP)
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busybox.links: busybox.def.h
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	- ./busybox.mkll | sort >$@
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nfsmount.o cmdedit.o: %.o: %.h
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$(OBJECTS): %.o: busybox.def.h internal.h  %.c Makefile
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test tests:
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	cd tests && $(MAKE) all
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clean:
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	- rm -f busybox.links *~ *.o core
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	- rm -rf _install
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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
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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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install: busybox busybox.links
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	./install.sh $(PREFIX)
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dist release: distclean doc
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	cd ..;					\
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	rm -rf busybox-$(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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.PHONY: tags
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tags:
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	ctags -R .
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