diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 311 |
1 files changed, 130 insertions, 181 deletions
@@ -1,6 +1,6 @@ # Makefile for busybox # -# Copyright (C) 1999,2000,2001 Erik Andersen <andersee@debian.org> +# Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@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 @@ -20,12 +20,19 @@ PROG := busybox VERSION := 0.61.pre BUILDTIME := $(shell TZ=UTC date -u "+%Y.%m.%d-%H:%M%z") -export VERSION +TOPDIR := ${shell /bin/pwd} +HOSTCC := gcc +HOSTCFLAGS:= -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer + + +# What OS are you compiling busybox for? This allows you to include +# OS specific things, syscall overrides, etc. +TARGET_OS := linux # With a modern GNU make(1) (highly recommended, that's what all the # developers use), all of the following configuration values can be # overridden at the command line. For example: -# make CROSS=powerpc-linux- BB_SRC_DIR=$HOME/busybox PREFIX=/mnt/app +# make CROSS=powerpc-linux- CONFIG_SRC_DIR=$HOME/busybox PREFIX=/mnt/app # If you want to add some simple compiler switches (like -march=i686), # especially from the command line, use this instead of CFLAGS directly. @@ -39,18 +46,6 @@ DOSTATIC = false # Leave this set to `false' for production use. DODEBUG = false -# Setting this to `true' will cause busybox to directly use the system's -# password and group functions. Assuming you use GNU libc, when this is -# `true', you will need to install the /etc/nsswitch.conf configuration file -# and the required libnss_* libraries. This generally makes your embedded -# system quite a bit larger... If you leave this off, busybox will directly use -# the /etc/password, /etc/group files (and your system will be smaller, and I -# will get fewer emails asking about how glibc NSS works). Enabling this adds -# just 1.4k to the binary size (which is a _lot_ less then glibc NSS costs). -# Note that if you want hostname resolution to work with glibc, you still need -# the libnss_* libraries. -USE_SYSTEM_PWD_GRP = true - # 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 @@ -72,17 +67,24 @@ DOEFENCE = false # larger than 2GB! DOLFS = false -# If you have a "pristine" source directory, point BB_SRC_DIR to it. +# If you have a "pristine" source directory, point CONFIG_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 = +CONFIG_SRC_DIR = -# If you are running a cross compiler, you may want to set this -# to something more interesting, like "powerpc-linux-". +# If you are running a cross compiler, you may want to set CROSS +# to something more interesting, like "arm-linux-". CROSS = -CC = $(CROSS)gcc -AR = $(CROSS)ar -STRIPTOOL = $(CROSS)strip +CC = $(CROSS)gcc +AR = $(CROSS)ar +AS = $(CROSS)as +LD = $(CROSS)ld +NM = $(CROSS)nm +STRIP = $(CROSS)strip +CPP = $(CC) -E +MAKEFILES = $(TOPDIR)/.config +export VERSION BUILDTIME TOPDIR HOSTCC HOSTCFLAGS CROSS CC AR AS LD NM STRIP CPP + # To compile vs uClibc, just use the compiler wrapper built by uClibc... # Everything should compile and work as expected these days... @@ -107,10 +109,11 @@ STRIPTOOL = $(CROSS)strip #GCCINCDIR = $(shell gcc -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp") # 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) +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 -Wstrict-prototypes -Wshadow +CFLAGS = -I $(TOPDIR)/include -I $(TOPDIR)/busybox ARFLAGS = -r # @@ -142,25 +145,14 @@ endif ifeq ($(strip $(DODEBUG)),true) CFLAGS += $(WARNINGS) -g -D_GNU_SOURCE LDFLAGS += -Wl,-warn-common - STRIP = + STRIPCMD = else CFLAGS += $(WARNINGS) $(OPTIMIZATION) -fomit-frame-pointer -D_GNU_SOURCE LDFLAGS += -s -Wl,-warn-common - STRIP = $(STRIPTOOL) --remove-section=.note --remove-section=.comment $(PROG) + STRIPCMD = $(STRIP) --remove-section=.note --remove-section=.comment $(PROG) endif ifeq ($(strip $(DOSTATIC)),true) LDFLAGS += --static - # - #use '-ffunction-sections -fdata-sections' and '--gc-sections' (if they - # work) to try and strip out any unused junk. Doesn't do much for me, - # but you may want to give it a shot... - # - #ifeq ($(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 $(PREFIX) @@ -169,125 +161,77 @@ endif # Additional complications due to support for pristine source dir. # Include files in the build directory should take precedence over -# the copy in BB_SRC_DIR, both during the compilation phase and the +# the copy in CONFIG_SRC_DIR, both during the compilation phase and the # shell script that finds the list of object files. # Work in progress by <ldoolitt@recycle.lbl.gov>. # -ifneq ($(strip $(BB_SRC_DIR)),) - VPATH = $(BB_SRC_DIR) +ifneq ($(strip $(CONFIG_SRC_DIR)),) + VPATH = $(CONFIG_SRC_DIR) endif -#ifneq ($(strip $(VPATH)),) -# CFLAGS += -I- -I. $(patsubst %,-I%,$(subst :, ,$(VPATH))) -#endif - -# We need to set APPLET_SOURCES to something like -# $(shell busybox.sh Config.h) -# but in a manner that works with VPATH and BB_SRC_DIR. -# Possible ways to approach this: -# -# 1. Explicitly search through .:$(VPATH) for busybox.sh and config.h, -# then $(shell $(BUSYBOX_SH) $(CONFIG_H) $(BB_SRC_DIR)) -# -# 2. Explicity search through .:$(VPATH) for slist.mk, -# then $(shell $(MAKE) -f $(SLIST_MK) VPATH=$(VPATH) BB_SRC_DIR=$(BB_SRC_DIR)) -# -# 3. Create slist.mk in this directory, with commands embedded in -# a $(shell ...) command, and $(MAKE) it immediately. -# -# 4. Use a real rule within this makefile to create a file that sets -# APPLET_SOURCE_LIST, then include that file. Has complications -# with the first trip through the makefile (before processing the -# include) trying to do too much, and a spurious warning the first -# time make is run. -# -# This is option 3: -# -#APPLET_SOURCES = $(shell \ -# echo -e 'all: busybox.sh Config.h\n\t@ $$(SHELL) $$^ $$(BB_SRC_DIR)' >slist.mk; \ -# make -f slist.mk VPATH=$(VPATH) BB_SRC_DIR=$(BB_SRC_DIR) \ -#) -# And option 4: --include applet_source_list OBJECTS = $(APPLET_SOURCES:.c=.o) busybox.o usage.o applets.o CFLAGS += $(CROSS_CFLAGS) -CFLAGS += -DBB_VER='"$(VERSION)"' -CFLAGS += -DBB_BT='"$(BUILDTIME)"' -ifdef BB_INIT_SCRIPT - CFLAGS += -DINIT_SCRIPT='"$(BB_INIT_SCRIPT)"' +ifdef CONFIG_INIT_SCRIPT + CFLAGS += -DINIT_SCRIPT='"$(CONFIG_INIT_SCRIPT)"' endif -ifneq ($(strip $(USE_SYSTEM_PWD_GRP)),true) - PWD_GRP = pwd_grp - PWD_GRP_DIR = $(BB_SRC_DIR:=/)$(PWD_GRP) - PWD_LIB = libpwd.a - PWD_CSRC=__getpwent.c pwent.c getpwnam.c getpwuid.c putpwent.c getpw.c \ - fgetpwent.c __getgrent.c grent.c getgrnam.c getgrgid.c fgetgrent.c \ - initgroups.c setgroups.c - PWD_OBJS=$(patsubst %.c,$(PWD_GRP)/%.o, $(PWD_CSRC)) -ifneq ($(strip $(BB_SRC_DIR)),) - PWD_CFLAGS = -I- -I. -endif - PWD_CFLAGS += -I$(PWD_GRP_DIR) +# Put user-supplied flags at the end, where they +# have a chance of winning. +CFLAGS += $(CFLAGS_EXTRA) + +.EXPORT_ALL_VARIABLES: + +all: do-it-all + +# +# Make "config" the default target if there is no configuration file or +# "depend" the target if there is no top-level dependency information. +ifeq (.config,$(wildcard .config)) +include .config +ifeq (.depend,$(wildcard .depend)) +include .depend +do-it-all: busybox busybox.links doc else - CFLAGS += -DUSE_SYSTEM_PWD_GRP +CONFIGURATION = depend +do-it-all: depend endif - -LIBBB = libbb -LIBBB_LIB = libbb.a -LIBBB_CSRC= ask_confirmation.c chomp.c concat_path_file.c copy_file.c \ -copy_file_chunk.c libc5.c device_open.c error_msg.c \ -error_msg_and_die.c fgets_str.c find_mount_point.c find_pid_by_name.c \ -find_root_device.c full_read.c full_write.c get_console.c \ -get_last_path_component.c get_line_from_file.c gz_open.c human_readable.c \ -isdirectory.c kernel_version.c loop.c mode_string.c module_syscalls.c mtab.c \ -mtab_file.c my_getgrnam.c my_getgrgid.c my_getpwnam.c my_getpwnamegid.c \ -my_getpwuid.c parse_mode.c parse_number.c perror_msg.c perror_msg_and_die.c \ -print_file.c process_escape_sequence.c read_package_field.c recursive_action.c \ -safe_read.c safe_strncpy.c syscalls.c syslog_msg_with_name.c time_string.c \ -trim.c unzip.c vdprintf.c verror_msg.c vperror_msg.c wfopen.c xfuncs.c \ -xgetcwd.c xreadlink.c xregcomp.c interface.c remove_file.c last_char_is.c \ -copyfd.c vherror_msg.c herror_msg.c herror_msg_and_die.c xgethostbyname.c \ -dirname.c make_directory.c create_icmp_socket.c u_signal_names.c arith.c \ -simplify_path.c -LIBBB_OBJS=$(patsubst %.c,$(LIBBB)/%.o, $(LIBBB_CSRC)) -ifeq ($(strip $(BB_SRC_DIR)),) - LIBBB_CFLAGS += -I$(LIBBB) else - LIBBB_CFLAGS = -I- -I. -I./$(LIBBB) -I$(BB_SRC_DIR)/$(LIBBB) -I$(BB_SRC_DIR) +CONFIGURATION = menuconfig +do-it-all: menuconfig endif -LIBBB_MSRC=libbb/messages.c -LIBBB_MESSAGES= full_version name_too_long omitting_directory not_a_directory \ -memory_exhausted invalid_date invalid_option io_error dash_dash_help \ -write_error too_few_args name_longer_than_foo unknown can_not_create_raw_socket -LIBBB_MOBJ=$(patsubst %,$(LIBBB)/%.o, $(LIBBB_MESSAGES)) +SUBDIRS =applets archival console-tools editors fileutils findutils init \ + miscutils modutils networking pwd_grp shell shellutils sysklogd \ + textutils tinylogin util-linux libbb -LIBBB_ARCSRC=libbb/unarchive.c -LIBBB_ARCOBJ= archive_offset seek_sub_file extract_archive unarchive \ -get_header_ar get_header_cpio get_header_tar deb_extract -LIBBB_AROBJS=$(patsubst %,$(LIBBB)/%.o, $(LIBBB_ARCOBJ)) +bbsubdirs: $(patsubst %, _dir_%, $(SUBDIRS)) +$(patsubst %, _dir_%, $(SUBDIRS)) : dummy include/config/MARKER + $(MAKE) CFLAGS="$(CFLAGS)" -C $(patsubst _dir_%, %, $@) -# Put user-supplied flags at the end, where they -# have a chance of winning. -CFLAGS += $(CFLAGS_EXTRA) +busybox: bbsubdirs + $(CC) $(LDFLAGS) -o $@ $(shell find $(SUBDIRS) -name \*.a) $(LIBCONFIG_LIB) $(LIBRARIES) + $(STRIPCMD) -.EXPORT_ALL_VARIABLES: +busybox.links: applets/busybox.mkll + - $(SHELL) $^ >$@ + +install: applets/install.sh busybox busybox.links + $(SHELL) $< $(PREFIX) -all: applet_source_list busybox busybox.links doc +install-hardlinks: applets/install.sh busybox busybox.links + $(SHELL) $< $(PREFIX) --hardlinks -applet_source_list: busybox.sh Config.h - (echo -n "APPLET_SOURCES := "; CC="$(CC)" BB_SRC_DIR="$(BB_SRC_DIR)" $(SHELL) $^) > $@ +# Documentation Targets doc: olddoc # Old Docs... olddoc: docs/busybox.pod docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html -docs/busybox.pod : docs/busybox_header.pod usage.h docs/busybox_footer.pod +docs/busybox.pod : docs/busybox_header.pod applets/usage.h docs/busybox_footer.pod - ( cat docs/busybox_header.pod; \ - docs/autodocifier.pl usage.h; \ + docs/autodocifier.pl applets/usage.h; \ cat docs/busybox_footer.pod ) > docs/busybox.pod docs/BusyBox.txt: docs/busybox.pod @@ -340,86 +284,89 @@ docs/busybox/busyboxdocumentation.html: docs/busybox.sgml - mkdir -p docs (cd docs/busybox.lineo.com; sgmltools -b html ../busybox.sgml) +# The nifty new buildsystem stuff +scripts/mkdep: scripts/mkdep.c + $(HOSTCC) $(HOSTCFLAGS) -o scripts/mkdep scripts/mkdep.c -busybox: $(PWD_LIB) $(LIBBB_LIB) $(OBJECTS) - $(CC) $(LDFLAGS) -o $@ $(OBJECTS) $(LIBBB_LIB) $(PWD_LIB) $(LIBRARIES) - $(STRIP) +scripts/split-include: scripts/split-include.c + $(HOSTCC) $(HOSTCFLAGS) -o scripts/split-include scripts/split-include.c -# Without VPATH, rule expands to "/bin/sh busybox.mkll Config.h applets.h" -# but with VPATH, some or all of those file names are resolved to the -# directories in which they live. -busybox.links: busybox.mkll Config.h applets.h - - $(SHELL) $^ >$@ +dep-files: scripts/mkdep #archdep + rm -f .depend .hdepend + scripts/mkdep -I $(TOPDIR)/include -- `find $(TOPDIR) -name \*.c -print` >> .depend + scripts/mkdep -I $(TOPDIR)/include -- `find $(TOPDIR) -name \*.h -print` >> .hdepend + $(MAKE) $(patsubst %,_sfdep_%,$(SUBDIRS)) _FASTDEP_ALL_SUB_DIRS="$(SUBDIRS)" -nfsmount.o cmdedit.o: %.o: %.h -ash.o hush.o lash.o msh.o: cmdedit.h -$(OBJECTS): %.o: %.c Config.h busybox.h applets.h Makefile -ifeq ($(strip $(BB_SRC_DIR)),) - $(CC) $(CFLAGS) -I. $(patsubst %,-I%,$(subst :, ,$(BB_SRC_DIR))) -c $< -o $*.o -else - $(CC) $(CFLAGS) -I- -I. $(patsubst %,-I%,$(subst :, ,$(BB_SRC_DIR))) -c $< -o $*.o -endif +depend dep: dep-files + @ echo -e "\n\nNow run 'make' to build BusyBox\n\n" -$(PWD_OBJS): %.o: %.c Config.h busybox.h applets.h Makefile - - mkdir -p $(PWD_GRP) - $(CC) $(CFLAGS) $(PWD_CFLAGS) -c $< -o $*.o +CONFIG_SHELL := ${shell if [ -x "$$BASH" ]; then echo $$BASH; \ + else if [ -x /bin/bash ]; then echo /bin/bash; \ + else echo sh; fi ; fi} -$(LIBBB_OBJS): %.o: %.c Config.h busybox.h applets.h Makefile libbb/libbb.h - - mkdir -p $(LIBBB) - $(CC) $(CFLAGS) $(LIBBB_CFLAGS) -c $< -o $*.o +include/config/MARKER: scripts/split-include include/config.h + scripts/split-include include/config.h include/config + @ touch include/config/MARKER -$(LIBBB_MOBJ): $(LIBBB_MSRC) - - mkdir -p $(LIBBB) - $(CC) $(CFLAGS) $(LIBBB_CFLAGS) -DL_$(patsubst libbb/%,%,$*) -c $< -o $*.o +menuconfig: + $(MAKE) -C scripts/lxdialog all + $(CONFIG_SHELL) scripts/Menuconfig sysdeps/$(TARGET_OS)/config.in -$(LIBBB_AROBJS): $(LIBBB_ARCSRC) - - mkdir -p $(LIBBB) - $(CC) $(CFLAGS) $(LIBBB_CFLAGS) -DL_$(patsubst libbb/%,%,$*) -c $< -o $*.o +config: + $(CONFIG_SHELL) scripts/Configure sysdeps/$(TARGET_OS)/config.in -libpwd.a: $(PWD_OBJS) - $(AR) $(ARFLAGS) $@ $^ +oldconfig: + $(CONFIG_SHELL) scripts/Configure -d sysdeps/$(TARGET_OS)/config.in -libbb.a: $(LIBBB_MOBJ) $(LIBBB_AROBJS) $(LIBBB_OBJS) - $(AR) $(ARFLAGS) $@ $^ -usage.o: usage.h +ifdef CONFIGURATION +..$(CONFIGURATION): + @echo + @echo "You have a bad or nonexistent" .$(CONFIGURATION) ": running 'make" $(CONFIGURATION)"'" + @echo + $(MAKE) $(CONFIGURATION) + @echo + @echo "Successful. Try re-making (ignore the error that follows)" + @echo + exit 1 -libbb/loop.o: libbb/loop.h +dummy: -libbb/loop.h: mk_loop_h.sh - @ $(SHELL) $< > $@ +else +dummy: + +endif + +include Rules.mak + +# Testing... test tests: # old way of doing it #cd tests && $(MAKE) all # new way of doing it cd tests && ./tester.sh +# Cleanup clean: - - cd tests && $(MAKE) clean + - $(MAKE) -C tests clean + - $(MAKE) -C scripts/lxdialog 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 -f multibuild.log Config.h.orig *.gdb *.elf - - rm -rf docs/busybox _install libpwd.a libbb.a pod2htm* - - rm -f busybox.links libbb/loop.h *~ slist.mk core applet_source_list + docs/busybox.pdf docs/busybox.lineo.com/busybox.html \ + docs/busybox _install pod2htm* *.gdb *.elf *~ core + - rm -f busybox.links libbb/loop.h .config.old .hdepend + - rm -f scripts/split-include scripts/mkdep .*config.log + - rm -rf include/config include/config.h + - find -name .\*.flags -o -name .depend -exec rm -f {} \; - find -name \*.o -exec rm -f {} \; + - find -name \*.a -exec rm -f {} \; distclean: clean - - rm -f busybox applet_source_list + - rm -f busybox - cd tests && $(MAKE) distclean -install: install.sh busybox busybox.links - $(SHELL) $< $(PREFIX) - -install-hardlinks: install.sh busybox busybox.links - $(SHELL) $< $(PREFIX) --hardlinks - -debug_pristine: - @ echo VPATH=\"$(VPATH)\" - @ echo OBJECTS=\"$(OBJECTS)\" - dist release: distclean doc cd ..; \ rm -rf busybox-$(VERSION); \ @@ -437,6 +384,8 @@ dist release: distclean doc \ tar -cvzf busybox-$(VERSION).tar.gz busybox-$(VERSION)/; + + .PHONY: tags tags: ctags -R . |