# 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 := 0.48
+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
-endif
+# With a modern GNU make(1) (highly recommended, that's what all the
+# developers use), all of the following configuration values can be
+# overridden at the command line. For example:
+# make CROSS=powerpc-linux- BB_SRC_DIR=$HOME/busybox PREFIX=/mnt/app
+
+# If you want a static binary, turn this on.
+DOSTATIC = false
+
+# Set the following to `true' to make a debuggable build.
+# Leave this set to `false' for production use.
+# eg: `make DODEBUG=true tests'
+# Do not enable this for production builds...
+DODEBUG = false
+
+# This enables compiling with dmalloc ( http://dmalloc.com/ )
+# which is an excellent public domain mem leak and malloc problem
+# detector. To enable dmalloc, before running busybox you will
+# want to first set up your environment.
+# eg: `export DMALLOC_OPTIONS=debug=0x14f47d83,inter=100,log=logfile`
+# Do not enable this for production builds...
+DODMALLOC = false
+
+# If you want large file summit support, turn this on.
+# This has no effect if you don't have a kernel with lfs
+# support, and a system with libc-2.1.3 or later.
+# Some of the programs that can benefit from lfs support
+# are dd, gzip, mount, tar, and mkfs_minix.
+# LFS allows you to use the above programs for files
+# larger than 2GB!
+DOLFS = false
+
+# If you have a "pristine" source directory, point BB_SRC_DIR to it.
+# Experimental and incomplete; tell the mailing list
+# <busybox@opensource.lineo.com> if you do or don't like it so far.
+BB_SRC_DIR = .
+
+# If you are running a cross compiler, you may want to set this
+# to something more interesting, like "powerpc-linux-".
+CROSS =
+CC = $(CROSS)gcc
+STRIPTOOL = $(CROSS)strip
+
+# To compile vs an alternative libc, you may need to use/adjust
+# the following lines to meet your needs. This is how I make
+# busybox compile with uC-Libc (needs BB_GETOPT and BB_FEATURE_NFSMOUNT
+# disabled at the moment).
+#LIBCDIR=/home/andersen/CVS/uClibc
+#LDFLAGS+=-nostdlib
+#LIBRARIES = $(LIBCDIR)/libc.a -lgcc
+#CROSS_CFLAGS+=-nostdinc -I$(LIBCDIR)/include -I$(GCCINCDIR)
+#GCCINCDIR = $(shell gcc -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp")
-# -D_GNU_SOURCE is needed because environ is used in init.c
+#--------------------------------------------------------
+
+# use '-Os' optimization if available, else use -O2
+OPTIMIZATION = $(shell if $(CC) -Os -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \
+ then echo "-Os"; else echo "-O2" ; fi)
+
+WARNINGS = -Wall
+
+ifeq ($(DOLFS),true)
+ # For large file summit support
+ CFLAGS+=-D_FILE_OFFSET_BITS=64
+endif
+ifeq ($(DODMALLOC),true)
+ # For testing mem leaks with dmalloc
+ CFLAGS+=-DDMALLOC
+ LIBRARIES = -ldmalloc
+ # Force debug=true, since this is useless when not debugging...
+ DODEBUG = true
+endif
ifeq ($(DODEBUG),true)
- CFLAGS+=-Wall -g -D_GNU_SOURCE -DDEBUG_INIT
- STRIP=
- LDFLAGS=
+ CFLAGS += $(WARNINGS) -g -D_GNU_SOURCE
+ LDFLAGS += -Wl,-warn-common
+ STRIP =
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
-
+ CFLAGS += $(WARNINGS) $(OPTIMIZATION) -fomit-frame-pointer -D_GNU_SOURCE
+ LDFLAGS += -s -Wl,-warn-common
+ STRIP = $(STRIPTOOL) --remove-section=.note --remove-section=.comment $(PROG)
+endif
+ifeq ($(DOSTATIC),true)
+ 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
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=${BB_INIT_RC_EXIT_CMD}
+# Additional complications due to support for pristine source dir.
+# Config.h in the build directory should take precedence over the
+# copy in BB_SRC_DIR, both during the compilation phase and the
+# shell script that finds the list of object files.
+#
+# Work in progress by <ldoolitt@recycle.lbl.gov>.
+# If it gets in your way, set DISABLE_VPATH=yes
+ifeq ($(DISABLE_VPATH),yes)
+ CONFIG_H = Config.h
+else
+ VPATH = .:$(BB_SRC_DIR)
+ CONFIG_LIST = $(addsuffix /Config.h,$(subst :, ,$(VPATH)))
+ CONFIG_H = $(word 1,$(shell ls -f -1 $(CONFIG_LIST) 2>/dev/null))
+ CFLAGS += -I- $(patsubst %,-I%,$(subst :, ,$(VPATH))) $(CROSS_CFLAGS)
endif
+OBJECTS = $(shell $(BB_SRC_DIR)/busybox.sh $(CONFIG_H) $(BB_SRC_DIR)) busybox.o messages.o usage.o utility.o
+CFLAGS += -DBB_VER='"$(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
-busybox: $(OBJECTS)
- $(CC) $(LDFLAGS) -o $(PROG) $(OBJECTS) $(LIBRARIES)
+all: busybox busybox.links doc
+
+doc: olddoc
+
+# Old Docs...
+olddoc: docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html
+
+docs/BusyBox.txt: docs/busybox.pod
+ @echo
+ @echo BusyBox Documentation
+ @echo
+ -mkdir -p docs
+ -pod2text $(BB_SRC_DIR)/docs/busybox.pod > docs/BusyBox.txt
+
+docs/BusyBox.1: docs/busybox.pod
+ - mkdir -p docs
+ - pod2man --center=BusyBox --release="version $(VERSION)" \
+ $(BB_SRC_DIR)/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
+ -@ mkdir -p docs/busybox.lineo.com
+ - pod2html --noindex $(BB_SRC_DIR)/docs/busybox.pod > \
+ docs/busybox.lineo.com/BusyBox.html
+ -@ rm -f pod2html*
+
+
+# New docs based on DOCBOOK SGML
+newdoc: docs/busybox.txt docs/busybox.pdf docs/busybox/busyboxdocumentation.html
+
+docs/busybox.txt: docs/busybox.sgml
+ @echo
+ @echo BusyBox Documentation
+ @echo
+ - mkdir -p docs
+ (cd docs; sgmltools -b txt busybox.sgml)
+
+docs/busybox.dvi: docs/busybox.sgml
+ - mkdir -p docs
+ (cd docs; sgmltools -b dvi busybox.sgml)
+
+docs/busybox.ps: docs/busybox.sgml
+ - mkdir -p docs
+ (cd docs; sgmltools -b ps busybox.sgml)
+
+docs/busybox.pdf: docs/busybox.ps
+ - mkdir -p docs
+ (cd docs; ps2pdf busybox.ps)
+
+docs/busybox/busyboxdocumentation.html: docs/busybox.sgml
+ - mkdir -p docs
+ (cd docs/busybox.lineo.com; sgmltools -b html ../busybox.sgml)
+
+
+
+busybox: $(OBJECTS)
+ $(CC) $(LDFLAGS) -o $@ $^ $(LIBRARIES)
$(STRIP)
-busybox.links:
- - ./busybox.mkll | sort >$@
+busybox.links: Config.h
+ - $(BB_SRC_DIR)/busybox.mkll $(CONFIG_H) $(BB_SRC_DIR)/applets.h >$@
+
+nfsmount.o cmdedit.o: %.o: %.h
+$(OBJECTS): %.o: %.c Config.h busybox.h Makefile
+
+utility.o: loop.h
+
+loop.h: mk_loop_h.sh
+ @ sh $<
+
+test tests:
+ cd tests && $(MAKE) all
clean:
- - rm -f $(PROG) busybox.links *~ *.o core
- - rm -rf _install
+ - cd tests && $(MAKE) clean
+ - rm -f docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html \
+ docs/busybox.lineo.com/BusyBox.html
+ - rm -f docs/busybox.txt docs/busybox.dvi docs/busybox.ps \
+ docs/busybox.pdf docs/busybox.lineo.com/busybox.html
+ - rm -rf docs/busybox _install
+ - rm -f busybox.links loop.h *~ *.o core
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)
+ $(BB_SRC_DIR)/install.sh $(PREFIX)
-dist: release
+install-hardlinks: busybox busybox.links
+ $(BB_SRC_DIR)/install.sh $(PREFIX) --hardlinks
-release: distclean
- (cd .. ; rm -rf busybox-$(VERSION) ; cp -a busybox busybox-$(VERSION); rm -rf busybox-$(VERSION)/CVS busybox-$(VERSION)/.cvsignore ; tar -cvzf busybox-$(VERSION).tar.gz busybox-$(VERSION))
+debug_pristine:
+ @ echo VPATH=\"$(VPATH)\"
+ @ echo CONFIG_LIST=\"$(CONFIG_LIST)\"
+ @ echo CONFIG_H=\"$(CONFIG_H)\"
+ @ echo OBJECTS=\"$(OBJECTS)\"
+dist release: distclean doc
+ cd ..; \
+ rm -rf busybox-$(VERSION); \
+ cp -a busybox busybox-$(VERSION); \
+ \
+ find busybox-$(VERSION)/ -type d \
+ -name CVS \
+ -print \
+ | xargs rm -rf; \
+ \
+ find busybox-$(VERSION)/ -type f \
+ -name .cvsignore \
+ -print \
+ | xargs rm -f; \
+ \
+ find busybox-$(VERSION)/ -type f \
+ -name .\#* \
+ -print \
+ | xargs rm -f; \
+ \
+ tar -cvzf busybox-$(VERSION).tar.gz busybox-$(VERSION)/;
+.PHONY: tags
+tags:
+ ctags -R .
projects / oweals / busybox.git / blobdiff