# Makefile for busybox
#
+# Copyright (C) 1999-2000 Erik Andersen <andersee@debian.org>
+# Copyright (C) 2000 Karl M. Hegbloom <karlheg@debian.org>
+#
# 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
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
+PROG := busybox
+VERSION := 0.44
+BUILDTIME := $(shell TZ=UTC date --utc "+%Y.%m.%d-%H:%M%z")
+export VERSION
-PROG=busybox
-VERSION=0.40
-BUILDTIME=$(shell date "+%Y%m%d-%H%M")
-
-# Comment out the following to make a debuggable build
-# Leave this off for production use.
-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/'`
-
-GCCMAJVERSION=$(shell $(CC) --version | sed -n "s/^\([^\.]*\).*/\1/p" )
-GCCMINVERSION=$(shell $(CC) --version | sed -n "s/^[^\.]*\.\([^\.]*\)[\.].*/\1/p" )
-
-GCCSUPPORTSOPTSIZE=$(shell \
-if ( test $(GCCMAJVERSION) -eq 2 ) ; then \
- if ( test $(GCCMINVERSION) -ge 91 ) ; 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
+# Set the following to `true' to make a debuggable build.
+# Leave this set to `false' for production use.
+# eg: `make DODEBUG=true tests'
+DODEBUG = false
+
+# If you want a static binary, turn this on.
+DOSTATIC = false
+
+# To compile vs an alternative libc, you may need to use/adjust
+# the following lines to meet your needs. This is how I did it...
+#CFLAGS+=-nostdinc -I/home/andersen/CVS/uC-libc/include -I/usr/include/linux
+#LDFLAGS+=-nostdlib -L/home/andersen/CVS/libc.a
+
+
+CC = gcc
+
+# 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)
+
+
+# Allow alternative stripping tools to be used...
+ifndef $(STRIPTOOL)
+ STRIPTOOL = strip
endif
# -D_GNU_SOURCE is needed because environ is used in init.c
ifeq ($(DODEBUG),true)
- CFLAGS+=-Wall -g -D_GNU_SOURCE -DDEBUG_INIT
- STRIP=
- LDFLAGS=
+ CFLAGS += -Wall -g -D_GNU_SOURCE
+ LDFLAGS =
+ STRIP =
else
- CFLAGS+=-Wall $(OPTIMIZATION) -fomit-frame-pointer -fno-builtin -D_GNU_SOURCE
- LDFLAGS= -s
- STRIP= strip --remove-section=.note --remove-section=.comment $(PROG)
+ CFLAGS += -Wall $(OPTIMIZATION) -fomit-frame-pointer -fno-builtin -D_GNU_SOURCE
+ LDFLAGS = -s
+ STRIP = $(STRIPTOOL) --remove-section=.note --remove-section=.comment $(PROG)
#Only staticly link when _not_ debugging
ifeq ($(DOSTATIC),true)
- LDFLAGS+= --static
+ 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
endif
-
endif
ifndef $(PREFIX)
- PREFIX=`pwd`/_install
+ PREFIX = `pwd`/_install
endif
-LIBRARIES=
-OBJECTS=$(shell ./busybox.sh)
-CFLAGS+= -DBB_VER='"$(VERSION)"'
-CFLAGS+= -DBB_BT='"$(BUILDTIME)"'
-ifdef BB_INIT_RC_EXIT_CMD
- CFLAGS += -DBB_INIT_CMD_IF_RC_SCRIPT_EXITS=${BB_INIT_RC_EXIT_CMD}
-endif
+LIBRARIES =
+OBJECTS = $(shell ./busybox.sh) busybox.o messages.o utility.o
+CFLAGS += -DBB_VER='"$(VERSION)"'
+CFLAGS += -DBB_BT='"$(BUILDTIME)"'
ifdef BB_INIT_SCRIPT
- CFLAGS += -DBB_INIT_SCRIPT=${BB_INIT_SCRIPT}
+ CFLAGS += -DINIT_SCRIPT='"$(BB_INIT_SCRIPT)"'
endif
-all: busybox busybox.links
+all: busybox busybox.links doc
+
+doc: docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html
+
+docs/BusyBox.txt: docs/busybox.pod
+ @echo
+ @echo BusyBox Documentation
+ @echo
+ - pod2text docs/busybox.pod > docs/BusyBox.txt
+
+docs/BusyBox.1: docs/busybox.pod
+ - pod2man --center=BusyBox --release="version $(VERSION)" 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
+ - pod2html docs/busybox.pod > docs/busybox.lineo.com/BusyBox.html
+ - rm -f pod2html*
busybox: $(OBJECTS)
- $(CC) $(LDFLAGS) -o $(PROG) $(OBJECTS) $(LIBRARIES)
+ $(CC) $(LDFLAGS) -o $@ $^ $(LIBRARIES)
$(STRIP)
-busybox.links:
+busybox.links: busybox.def.h
- ./busybox.mkll | sort >$@
+regexp.o nfsmount.o cmdedit.o: %.o: %.h
+$(OBJECTS): %.o: busybox.def.h internal.h %.c Makefile
+
+test tests:
+ cd tests && $(MAKE) all
+
clean:
- - rm -f $(PROG) busybox.links *~ *.o core
+ - rm -f busybox.links *~ *.o core
- rm -rf _install
+ - cd tests && $(MAKE) clean
+ - rm -f docs/BusyBox.html docs/busybox.lineo.com/BusyBox.html \
+ docs/BusyBox.1 docs/BusyBox.txt pod2html*
distclean: clean
- - rm -f $(PROG)
-
-$(OBJECTS): busybox.def.h internal.h Makefile
+ - rm -f busybox
+ - cd tests && $(MAKE) distclean
install: busybox busybox.links
./install.sh $(PREFIX)
-dist: release
-
-release: distclean
- (cd .. ; rm -rf busybox-$(VERSION) ; cp -a busybox busybox-$(VERSION); rm -rf busybox-$(VERSION)/CVS busybox-$(VERSION)/.cvsignore ; tar -cvzf busybox-$(VERSION).tar.gz busybox-$(VERSION))
-
-
+dist release: distclean doc
+ cd ..; \
+ rm -rf busybox-$(VERSION); \
+ cp -a busybox busybox-$(VERSION); \
+ \
+ find busybox-$(VERSION)/ -type d \
+ -name CVS \
+ -print \
+ | xargs rm -rf; \
+ \
+ find busybox-$(VERSION)/ -type f \
+ -name .cvsignore \
+ -print \
+ | xargs rm -f; \
+ \
+ tar -cvzf busybox-$(VERSION).tar.gz busybox-$(VERSION)/;
projects / oweals / busybox.git / blobdiff