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# Makefile for busybox
#
# 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 := 0.42
BUILDTIME := $(shell TZ=GMT date "+%Y%m%d-%H%M")
# Set the following to `true' to make a debuggable build.
# Leave this set to `false' for production use.
# eg: `make DODEBUG=true'
DODEBUG = false
# If you want a static binary, turn this on. I can't think
# of many situations where anybody would ever want it static,
# but...
DOSTATIC = false
# This will choke on a non-debian system
ARCH =`uname -m | sed -e 's/i.86/i386/' | sed -e 's/sparc.*/sparc/'`
CC = gcc
GCCMAJVERSION = $(shell $(CC) --version | sed -n "s/^[^0-9]*\([0-9]\)\.\([0-9].*\)[\.].*/\1/p")
GCCMINVERSION = $(shell $(CC) --version | sed -n "s/^[^0-9]*\([0-9]\)\.\([0-9].*\)[\.].*/\2/p")
GCCSUPPORTSOPTSIZE = $(shell \
if ( test $(GCCMAJVERSION) -eq 2 ) ; then \
if ( test $(GCCMINVERSION) -ge 66 ) ; then \
echo "true"; \
else \
echo "false"; \
fi; \
else \
if ( test $(GCCMAJVERSION) -gt 2 ) ; then \
echo "true"; \
else \
echo "false"; \
fi; \
fi; )
ifeq ($(GCCSUPPORTSOPTSIZE), true)
OPTIMIZATION = -Os
else
OPTIMIZATION = -O2
endif
# -D_GNU_SOURCE is needed because environ is used in init.c
ifeq ($(DODEBUG),true)
CFLAGS += -Wall -g -D_GNU_SOURCE -DDEBUG_INIT
STRIP =
LDFLAGS =
else
CFLAGS += -Wall $(OPTIMIZATION) -fomit-frame-pointer -fno-builtin -D_GNU_SOURCE
LDFLAGS = -s
STRIP = strip --remove-section=.note --remove-section=.comment $(PROG)
#Only staticly link when _not_ debugging
ifeq ($(DOSTATIC),true)
LDFLAGS += --static
endif
endif
ifndef $(PREFIX)
PREFIX = `pwd`/_install
endif
LIBRARIES =
OBJECTS = $(shell ./busybox.sh) messages.o utility.o
CFLAGS += -DBB_VER='"$(VERSION)"'
CFLAGS += -DBB_BT='"$(BUILDTIME)"'
ifdef BB_INIT_SCRIPT
CFLAGS += -DINIT_SCRIPT=${BB_INIT_SCRIPT}
endif
all: busybox busybox.links
busybox: $(OBJECTS)
$(CC) $(LDFLAGS) -o $(PROG) $(OBJECTS) $(LIBRARIES)
$(STRIP)
busybox.links: busybox.def.h
- ./busybox.mkll | sort >$@
clean:
- rm -f $(PROG) busybox.links *~ *.o core
- rm -rf _install
distclean: clean
- rm -f $(PROG)
$(OBJECTS): %.o: %.c busybox.def.h internal.h Makefile messages.c
install: busybox busybox.links
./install.sh $(PREFIX)
dist: release
release: distclean
cd ..; \
rm -rf busybox-$(VERSION); \
cp -a busybox busybox-$(VERSION); \
\
find busybox-$(VERSION)/ -type d \
-name CVS \
-print \
| xargs rm -rf; \
\
find busybox-$(VERSION)/ -type f \
-name .cvsignore \
-print \
| xargs rm -f; \
\
tar -cvzf busybox-$(VERSION).tar.gz busybox-$(VERSION)/;
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