Makefile

   1 # Makefile for busybox
   2 #
   3 # Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  13 # General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  18 #
  19
  20 #--------------------------------------------------------------
  21 # You shouldn't need to mess with anything beyond this point...
  22 #--------------------------------------------------------------
  23 noconfig_targets := menuconfig config oldconfig randconfig \
  24         defconfig allyesconfig allnoconfig clean distclean \
  25         release tags
  26
  27 ifndef TOPDIR
  28 TOPDIR=$(CURDIR)/
  29 endif
  30 ifndef top_srcdir
  31 top_srcdir=$(CURDIR)
  32 endif
  33 ifndef top_builddir
  34 top_builddir=$(CURDIR)
  35 endif
  36
  37 srctree=$(top_srcdir)
  38 vpath %/Config.in $(srctree)
  39
  40 include $(top_builddir)/Rules.mak
  41
  42 DIRS:=applets archival archival/libunarchive coreutils console-tools \
  43         debianutils editors findutils init miscutils modutils networking \
  44         networking/libiproute networking/udhcp procps loginutils shell \
  45         sysklogd util-linux e2fsprogs libpwdgrp coreutils/libcoreutils libbb
  46
  47 SRC_DIRS:=$(patsubst %,$(top_srcdir)/%,$(DIRS))
  48
  49 ifeq ($(strip $(CONFIG_SELINUX)),y)
  50 LIBRARIES += -lselinux
  51 endif
  52
  53 CONFIG_CONFIG_IN = $(top_srcdir)/sysdeps/$(TARGET_OS)/Config.in
  54 CONFIG_DEFCONFIG = $(top_srcdir)/sysdeps/$(TARGET_OS)/defconfig
  55
  56 ALL_DIRS:= $(DIRS) scripts/config
  57 ALL_MAKEFILES:=$(patsubst %,%/Makefile,$(ALL_DIRS))
  58
  59 ifeq ($(KBUILD_SRC),)
  60
  61 ifdef O
  62   ifeq ("$(origin O)", "command line")
  63     KBUILD_OUTPUT := $(O)
  64   endif
  65 endif
  66
  67 # That's our default target when none is given on the command line
  68 .PHONY: _all
  69 _all:
  70
  71 ifneq ($(KBUILD_OUTPUT),)
  72 # Invoke a second make in the output directory, passing relevant variables
  73 # check that the output directory actually exists
  74 saved-output := $(KBUILD_OUTPUT)
  75 KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd)
  76 $(if $(wildcard $(KBUILD_OUTPUT)),, \
  77      $(error output directory "$(saved-output)" does not exist))
  78
  79 .PHONY: $(MAKECMDGOALS)
  80
  81 $(filter-out _all,$(MAKECMDGOALS)) _all: $(KBUILD_OUTPUT)/Rules.mak $(KBUILD_OUTPUT)/Makefile
  82         $(MAKE) -C $(KBUILD_OUTPUT) \
  83         top_srcdir=$(CURDIR) \
  84         top_builddir=$(KBUILD_OUTPUT) \
  85         TOPDIR=$(KBUILD_OUTPUT) \
  86         KBUILD_SRC=$(CURDIR) \
  87         -f $(CURDIR)/Makefile $@
  88
  89 $(KBUILD_OUTPUT)/Rules.mak:
  90         @echo > $@
  91         @echo top_srcdir=$(CURDIR) >> $@
  92         @echo top_builddir=$(KBUILD_OUTPUT) >> $@
  93         @echo include $(top_srcdir)/Rules.mak >> $@
  94
  95 $(KBUILD_OUTPUT)/Makefile:
  96         @echo > $@
  97         @echo top_srcdir=$(CURDIR) >> $@
  98         @echo top_builddir=$(KBUILD_OUTPUT) >> $@
  99         @echo KBUILD_SRC='$$(top_srcdir)' >> $@
 100         @echo include '$$(KBUILD_SRC)'/Makefile >> $@
 101
 102 # Leave processing to above invocation of make
 103 skip-makefile := 1
 104 endif # ifneq ($(KBUILD_OUTPUT),)
 105 endif # ifeq ($(KBUILD_SRC),)
 106
 107 ifeq ($(skip-makefile),)
 108
 109 _all: all
 110
 111 ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
 112
 113 all: busybox busybox.links doc
 114
 115 all_tree:       $(ALL_MAKEFILES)
 116
 117 $(ALL_MAKEFILES): %/Makefile: $(top_srcdir)/%/Makefile
 118         d=`dirname $@`; [ -d "$$d" ] || mkdir -p "$$d"; cp $< $@
 119
 120 # In this section, we need .config
 121 -include $(top_builddir)/.config.cmd
 122 include $(patsubst %,%/Makefile.in, $(SRC_DIRS))
 123 -include $(top_builddir)/.depend
 124
 125 busybox: $(ALL_MAKEFILES) .depend include/bb_config.h $(libraries-y)
 126         $(CC) $(LDFLAGS) -o $@ -Wl,--start-group $(libraries-y) $(LIBRARIES) -Wl,--end-group
 127         $(STRIPCMD) $@
 128
 129 busybox.links: $(top_srcdir)/applets/busybox.mkll include/config.h $(top_srcdir)/include/applets.h
 130         - $(SHELL) $^ >$@
 131
 132 install: $(top_srcdir)/applets/install.sh busybox busybox.links
 133         $(SHELL) $< $(PREFIX)
 134 ifeq ($(strip $(CONFIG_FEATURE_SUID)),y)
 135         @echo
 136         @echo
 137         @echo --------------------------------------------------
 138         @echo You will probably need to make your busybox binary
 139         @echo setuid root to ensure all configured applets will
 140         @echo work properly.
 141         @echo --------------------------------------------------
 142         @echo
 143 endif
 144
 145 uninstall: busybox.links
 146         rm -f $(PREFIX)/bin/busybox
 147         for i in `cat busybox.links` ; do rm -f $(PREFIX)$$i; done
 148
 149 install-hardlinks: $(top_srcdir)/applets/install.sh busybox busybox.links
 150         $(SHELL) $< $(PREFIX) --hardlinks
 151
 152 check: busybox
 153         bindir=$(top_builddir) srcdir=$(top_srcdir)/testsuite \
 154         $(top_srcdir)/testsuite/runtest
 155
 156 # Documentation Targets
 157 doc: docs/busybox.pod docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html
 158
 159 docs/busybox.pod : $(top_srcdir)/docs/busybox_header.pod $(top_srcdir)/include/usage.h $(top_srcdir)/docs/busybox_footer.pod
 160         -mkdir -p docs
 161         - ( cat $(top_srcdir)/docs/busybox_header.pod; \
 162             $(top_srcdir)/docs/autodocifier.pl $(top_srcdir)/include/usage.h; \
 163             cat $(top_srcdir)/docs/busybox_footer.pod ) > docs/busybox.pod
 164
 165 docs/BusyBox.txt: docs/busybox.pod
 166         $(SECHO)
 167         $(SECHO) BusyBox Documentation
 168         $(SECHO)
 169         -mkdir -p docs
 170         -pod2text $< > $@
 171
 172 docs/BusyBox.1: docs/busybox.pod
 173         - mkdir -p docs
 174         - pod2man --center=BusyBox --release="version $(VERSION)" \
 175                 $< > $@
 176
 177 docs/BusyBox.html: docs/busybox.net/BusyBox.html
 178         - mkdir -p docs
 179         -@ rm -f docs/BusyBox.html
 180         -@ cp docs/busybox.net/BusyBox.html docs/BusyBox.html
 181
 182 docs/busybox.net/BusyBox.html: docs/busybox.pod
 183         -@ mkdir -p docs/busybox.net
 184         -  pod2html --noindex $< > \
 185             docs/busybox.net/BusyBox.html
 186         -@ rm -f pod2htm*
 187
 188 # The nifty new buildsystem stuff
 189 scripts/mkdep: $(top_srcdir)/scripts/mkdep.c
 190         $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
 191
 192 scripts/split-include: $(top_srcdir)/scripts/split-include.c
 193         $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
 194
 195 .depend: scripts/mkdep include/config.h
 196         rm -f .depend .hdepend;
 197         mkdir -p include/config;
 198         scripts/mkdep -I include -- \
 199           `find $(top_srcdir) -name \*.c -print | sed -e "s,^./,,"` >> .depend;
 200         scripts/mkdep -I include -- \
 201           `find $(top_srcdir) -name \*.h -print | sed -e "s,^./,,"` >> .hdepend;
 202
 203 depend dep: .depend
 204
 205 include/config/MARKER: depend scripts/split-include
 206         scripts/split-include include/config.h include/config
 207         @ touch include/config/MARKER
 208
 209 include/config.h: .config
 210         @if [ ! -x $(top_builddir)/scripts/config/conf ] ; then \
 211             $(MAKE) -C scripts/config conf; \
 212         fi;
 213         @$(top_builddir)/scripts/config/conf -o $(CONFIG_CONFIG_IN)
 214
 215 include/bb_config.h: include/config.h
 216         echo "#ifndef AUTOCONF_INCLUDED" > $@
 217         sed -e 's/#undef CONFIG_\(.*\)/#define ENABLE_\1 0/' \
 218             -e 's/#define CONFIG_\(.*\)/#define CONFIG_\1\n#define ENABLE_\1/' \
 219                 < $< >> $@
 220         echo "#endif" >> $@
 221
 222 finished2:
 223         $(SECHO)
 224         $(SECHO) Finished installing...
 225         $(SECHO)
 226
 227 else # ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
 228
 229 all: menuconfig
 230
 231 # configuration
 232 # ---------------------------------------------------------------------------
 233
 234 $(ALL_MAKEFILES): %/Makefile: $(top_srcdir)/%/Makefile
 235         d=`dirname $@`; [ -d "$$d" ] || mkdir -p "$$d"; cp $< $@
 236
 237 scripts/config/conf: scripts/config/Makefile Rules.mak
 238         $(MAKE) -C scripts/config conf
 239         -@if [ ! -f .config ] ; then \
 240                 cp $(CONFIG_DEFCONFIG) .config; \
 241         fi
 242
 243 scripts/config/mconf: scripts/config/Makefile Rules.mak
 244         $(MAKE) -C scripts/config ncurses conf mconf
 245         -@if [ ! -f .config ] ; then \
 246                 cp $(CONFIG_DEFCONFIG) .config; \
 247         fi
 248
 249 menuconfig: scripts/config/mconf
 250         @./scripts/config/mconf $(CONFIG_CONFIG_IN)
 251
 252 config: scripts/config/conf
 253         @./scripts/config/conf $(CONFIG_CONFIG_IN)
 254
 255 oldconfig: scripts/config/conf
 256         @./scripts/config/conf -o $(CONFIG_CONFIG_IN)
 257
 258 randconfig: scripts/config/conf
 259         @./scripts/config/conf -r $(CONFIG_CONFIG_IN)
 260
 261 allyesconfig: scripts/config/conf
 262         @./scripts/config/conf -y $(CONFIG_CONFIG_IN)
 263         sed -i -e "s/^CONFIG_DEBUG.*/# CONFIG_DEBUG is not set/" .config
 264         sed -i -e "s/^USING_CROSS_COMPILER.*/# USING_CROSS_COMPILER is not set/" .config
 265         sed -i -e "s/^CONFIG_STATIC.*/# CONFIG_STATIC is not set/" .config
 266         sed -i -e "s/^CONFIG_SELINUX.*/# CONFIG_SELINUX is not set/" .config
 267         @./scripts/config/conf -o $(CONFIG_CONFIG_IN)
 268
 269 allnoconfig: scripts/config/conf
 270         @./scripts/config/conf -n $(CONFIG_CONFIG_IN)
 271
 272 defconfig: scripts/config/conf
 273         @./scripts/config/conf -d $(CONFIG_CONFIG_IN)
 274
 275 clean:
 276         - rm -f docs/busybox.dvi docs/busybox.ps \
 277             docs/busybox.pod docs/busybox.net/busybox.html \
 278             docs/busybox pod2htm* *.gdb *.elf *~ core .*config.log \
 279             docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html \
 280             docs/busybox.net/BusyBox.html busybox.links libbb/loop.h \
 281             .config.old .hdepend busybox
 282         - rm -rf _install
 283         - find . -name .\*.flags -exec rm -f {} \;
 284         - find . -name \*.o -exec rm -f {} \;
 285         - find . -name \*.a -exec rm -f {} \;
 286
 287 distclean: clean
 288         - rm -f scripts/split-include scripts/mkdep
 289         - rm -rf include/config include/config.h include/bb_config.h
 290         - find . -name .depend -exec rm -f {} \;
 291         rm -f .config .config.old .config.cmd
 292         - $(MAKE) -C scripts/config clean
 293
 294 release: distclean #doc
 295         cd ..;                                  \
 296         rm -rf $(PROG)-$(VERSION);              \
 297         cp -a busybox $(PROG)-$(VERSION);       \
 298                                                 \
 299         find $(PROG)-$(VERSION)/ -type d        \
 300                                  -name CVS      \
 301                                  -print         \
 302                 -exec rm -rf {} \; ;            \
 303                                                 \
 304         find $(PROG)-$(VERSION)/ -type f        \
 305                                  -name .\#*     \
 306                                  -print         \
 307                 -exec rm -f {} \;  ;            \
 308                                                 \
 309         tar -cvzf $(PROG)-$(VERSION).tar.gz $(PROG)-$(VERSION)/;
 310
 311 tags:
 312         ctags -R .
 313
 314
 315 endif # ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
 316
 317 endif # ifeq ($(skip-makefile),)
 318
 319 .PHONY: dummy subdirs release distclean clean config oldconfig \
 320         menuconfig tags check test depend buildtree
 321