3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 2 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 # General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program; if not, write to the Free Software
15 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 BUILDTIME=$(shell date "+%Y%m%d-%H%M")
23 # Comment out the following to make a debuggable build
24 # Leave this off for production use.
26 # If you want a static binary, turn this on. I can't think
27 # of many situations where anybody would ever want it static,
31 #This will choke on a non-debian system
32 ARCH=`uname -m | sed -e 's/i.86/i386/' | sed -e 's/sparc.*/sparc/'`
34 GCCMAJVERSION=$(shell $(CC) --version | sed -n "s/^\([^\.]*\).*/\1/p" )
35 GCCMINVERSION=$(shell $(CC) --version | sed -n "s/^[^\.]*\.\([^\.]*\)[\.].*/\1/p" )
36 GCCEGCS=$(shell $(CC) --version | sed -n "s/.*\(egcs\).*/\1/p" )
38 GCCSUPPORTSOPTSIZE=$(shell \
39 if ( test $(GCCMAJVERSION) -eq 2 ) ; then \
40 if ( test $(GCCMINVERSION) -ge 66 ) ; then \
46 if ( test $(GCCMAJVERSION) -gt 2 ) ; then \
54 if ( test "x$(GCCEGCS)" == "xegcs" ) ; then \
60 EGCSEXTREMEFLAGS = -m386 -mcpu=i386 -march=i386 -malign-jumps=1 -malign-loops=1 -malign-functions=1
61 GCCEXTREMEFLAGS = -m386 -malign-jumps=1 -malign-loops=1 -malign-functions=1
63 ifeq ($(GCCISEGCS), true)
64 EXTREMEFLAGS = $(EGCSEXTREMEFLAGS)
66 EXTREMEFLAGS = $(GCCEXTREMEFLAGS)
69 ifeq ($(GCCSUPPORTSOPTSIZE), true)
70 OPTIMIZATION=-Os $(EXTREMEFLAGS)
72 OPTIMIZATION=-O2 $(EXTREMEFLAGS)
75 # -D_GNU_SOURCE is needed because environ is used in init.c
76 ifeq ($(DODEBUG),true)
77 CFLAGS+=-Wall -g -D_GNU_SOURCE -DDEBUG_INIT
81 CFLAGS+=-Wall $(OPTIMIZATION) -fomit-frame-pointer -fno-builtin -D_GNU_SOURCE
83 STRIP= strip --remove-section=.note --remove-section=.comment $(PROG)
84 #Only staticly link when _not_ debugging
85 ifeq ($(DOSTATIC),true)
96 OBJECTS=$(shell ./busybox.sh)
97 CFLAGS+= -DBB_VER='"$(VERSION)"'
98 CFLAGS+= -DBB_BT='"$(BUILDTIME)"'
100 CFLAGS += -DINIT_SCRIPT=${BB_INIT_SCRIPT}
103 all: busybox busybox.links
106 $(CC) $(LDFLAGS) -o $(PROG) $(OBJECTS) $(LIBRARIES)
110 - ./busybox.mkll | sort >$@
113 - rm -f $(PROG) busybox.links *~ *.o core
119 $(OBJECTS): busybox.def.h internal.h Makefile
121 install: busybox busybox.links
122 ./install.sh $(PREFIX)
127 (cd .. ; rm -rf busybox-$(VERSION) ; cp -a busybox busybox-$(VERSION); rm -rf busybox-$(VERSION)/CVS busybox-$(VERSION)/scripts/CVS busybox-$(VERSION)/docs/CVS busybox-$(VERSION)/.cvsignore ; tar -cvzf busybox-$(VERSION).tar.gz busybox-$(VERSION))