Makefile

   1 # Makefile for busybox
   2 #
   3 # Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
   4 #
   5 # Licensed under GPLv2, see the file LICENSE in this tarball for details.
   6 #
   7
   8 #--------------------------------------------------------------
   9 # You shouldn't need to mess with anything beyond this point...
  10 #--------------------------------------------------------------
  11 noconfig_targets := menuconfig config oldconfig randconfig \
  12         defconfig allyesconfig allnoconfig clean distclean \
  13         release tags
  14
  15 ifndef TOPDIR
  16 TOPDIR=$(CURDIR)/
  17 endif
  18 ifndef top_srcdir
  19 top_srcdir=$(CURDIR)
  20 endif
  21 ifndef top_builddir
  22 top_builddir=$(CURDIR)
  23 endif
  24
  25 export srctree=$(top_srcdir)
  26 vpath %/Config.in $(srctree)
  27
  28 include $(top_srcdir)/Rules.mak
  29
  30 DIRS:=applets archival archival/libunarchive coreutils console-tools \
  31         debianutils editors findutils init miscutils modutils networking \
  32         networking/libiproute networking/udhcp procps loginutils shell \
  33         sysklogd util-linux e2fsprogs libpwdgrp coreutils/libcoreutils libbb
  34
  35 SRC_DIRS:=$(patsubst %,$(top_srcdir)/%,$(DIRS))
  36
  37 ifeq ($(strip $(CONFIG_SELINUX)),y)
  38 LIBRARIES += -lselinux
  39 endif
  40
  41 CONFIG_CONFIG_IN = $(top_srcdir)/sysdeps/$(TARGET_OS)/Config.in
  42 CONFIG_DEFCONFIG = $(top_srcdir)/sysdeps/$(TARGET_OS)/defconfig
  43
  44 ALL_DIRS:= $(DIRS) scripts/config
  45 ALL_MAKEFILES:=$(patsubst %,%/Makefile,$(ALL_DIRS))
  46
  47 ifeq ($(KBUILD_SRC),)
  48
  49 ifdef O
  50   ifeq ("$(origin O)", "command line")
  51     KBUILD_OUTPUT := $(O)
  52   endif
  53 endif
  54
  55 # That's our default target when none is given on the command line
  56 .PHONY: _all
  57 _all:
  58
  59 ifneq ($(KBUILD_OUTPUT),)
  60 # Invoke a second make in the output directory, passing relevant variables
  61 # check that the output directory actually exists
  62 saved-output := $(KBUILD_OUTPUT)
  63 KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd)
  64 $(if $(wildcard $(KBUILD_OUTPUT)),, \
  65      $(error output directory "$(saved-output)" does not exist))
  66
  67 .PHONY: $(MAKECMDGOALS)
  68
  69 $(filter-out _all,$(MAKECMDGOALS)) _all: $(KBUILD_OUTPUT)/Rules.mak $(KBUILD_OUTPUT)/Makefile
  70         $(MAKE) -C $(KBUILD_OUTPUT) \
  71         top_srcdir=$(CURDIR) \
  72         top_builddir=$(KBUILD_OUTPUT) \
  73         TOPDIR=$(KBUILD_OUTPUT) \
  74         KBUILD_SRC=$(CURDIR) \
  75         -f $(CURDIR)/Makefile $@
  76
  77 $(KBUILD_OUTPUT)/Rules.mak:
  78         @echo > $@
  79         @echo top_srcdir=$(CURDIR) >> $@
  80         @echo top_builddir=$(KBUILD_OUTPUT) >> $@
  81         @echo include $(top_srcdir)/Rules.mak >> $@
  82
  83 $(KBUILD_OUTPUT)/Makefile:
  84         @echo > $@
  85         @echo top_srcdir=$(CURDIR) >> $@
  86         @echo top_builddir=$(KBUILD_OUTPUT) >> $@
  87         @echo KBUILD_SRC='$$(top_srcdir)' >> $@
  88         @echo include '$$(KBUILD_SRC)'/Makefile >> $@
  89
  90 # Leave processing to above invocation of make
  91 skip-makefile := 1
  92 endif # ifneq ($(KBUILD_OUTPUT),)
  93 endif # ifeq ($(KBUILD_SRC),)
  94
  95 ifeq ($(skip-makefile),)
  96
  97 _all: all
  98
  99 ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
 100
 101 all: busybox busybox.links doc
 102
 103 all_tree:       $(ALL_MAKEFILES)
 104
 105 $(ALL_MAKEFILES): %/Makefile: $(top_srcdir)/%/Makefile
 106         [ -d $(@D) ] || mkdir -p $(@D); cp $< $@
 107
 108 # In this section, we need .config
 109 -include $(top_builddir)/.config.cmd
 110 include $(patsubst %,%/Makefile.in, $(SRC_DIRS))
 111 -include $(top_builddir)/.depend
 112
 113 busybox: $(ALL_MAKEFILES) .depend include/bb_config.h $(libraries-y)
 114         $(CC) $(LDFLAGS) -o $@ -Wl,--start-group $(libraries-y) $(LIBRARIES) -Wl,--end-group
 115         $(STRIPCMD) $@
 116
 117 busybox.links: $(top_srcdir)/applets/busybox.mkll include/config.h $(top_srcdir)/include/applets.h
 118         - $(SHELL) $^ >$@
 119
 120 install: $(top_srcdir)/applets/install.sh busybox busybox.links
 121         $(SHELL) $< $(PREFIX)
 122 ifeq ($(strip $(CONFIG_FEATURE_SUID)),y)
 123         @echo
 124         @echo
 125         @echo --------------------------------------------------
 126         @echo You will probably need to make your busybox binary
 127         @echo setuid root to ensure all configured applets will
 128         @echo work properly.
 129         @echo --------------------------------------------------
 130         @echo
 131 endif
 132
 133 uninstall: busybox.links
 134         rm -f $(PREFIX)/bin/busybox
 135         for i in `cat busybox.links` ; do rm -f $(PREFIX)$$i; done
 136
 137 install-hardlinks: $(top_srcdir)/applets/install.sh busybox busybox.links
 138         $(SHELL) $< $(PREFIX) --hardlinks
 139
 140 check: busybox
 141         bindir=$(top_builddir) srcdir=$(top_srcdir)/testsuite \
 142         $(top_srcdir)/testsuite/runtest
 143
 144 sizes:
 145         -rm -f busybox
 146         $(MAKE) top_srcdir=$(top_srcdir) top_builddir=$(top_builddir) \
 147                 -f $(top_srcdir)/Makefile STRIPCMD=/bin/true
 148         nm --size-sort busybox
 149
 150 # Documentation Targets
 151 doc: docs/busybox.pod docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html
 152
 153 docs/busybox.pod : $(top_srcdir)/docs/busybox_header.pod $(top_srcdir)/include/usage.h $(top_srcdir)/docs/busybox_footer.pod
 154         -mkdir -p docs
 155         - ( cat $(top_srcdir)/docs/busybox_header.pod; \
 156             $(top_srcdir)/docs/autodocifier.pl $(top_srcdir)/include/usage.h; \
 157             cat $(top_srcdir)/docs/busybox_footer.pod ) > docs/busybox.pod
 158
 159 docs/BusyBox.txt: docs/busybox.pod
 160         $(SECHO)
 161         $(SECHO) BusyBox Documentation
 162         $(SECHO)
 163         -mkdir -p docs
 164         -pod2text $< > $@
 165
 166 docs/BusyBox.1: docs/busybox.pod
 167         - mkdir -p docs
 168         - pod2man --center=BusyBox --release="version $(VERSION)" \
 169                 $< > $@
 170
 171 docs/BusyBox.html: docs/busybox.net/BusyBox.html
 172         - mkdir -p docs
 173         -@ rm -f docs/BusyBox.html
 174         -@ cp docs/busybox.net/BusyBox.html docs/BusyBox.html
 175
 176 docs/busybox.net/BusyBox.html: docs/busybox.pod
 177         -@ mkdir -p docs/busybox.net
 178         -  pod2html --noindex $< > \
 179             docs/busybox.net/BusyBox.html
 180         -@ rm -f pod2htm*
 181
 182 # The nifty new buildsystem stuff
 183 scripts/mkdep: $(top_srcdir)/scripts/mkdep.c
 184         $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
 185
 186 scripts/split-include: $(top_srcdir)/scripts/split-include.c
 187         $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
 188
 189 depend dep: .depend
 190 .depend: scripts/mkdep include/config.h include/bbconfigopts.h
 191         rm -f .depend .hdepend;
 192         mkdir -p include/config;
 193         scripts/mkdep -I include -- \
 194           `find $(top_srcdir) -name \*.c -print | sed -e "s,^./,,"` >> .depend;
 195         scripts/mkdep -I include -- \
 196           `find $(top_srcdir) -name \*.h -print | sed -e "s,^./,,"` >> .hdepend;
 197
 198 include/config/MARKER: depend scripts/split-include
 199         scripts/split-include include/config.h include/config
 200         @ touch include/config/MARKER
 201
 202 include/config.h: .config
 203         @if [ ! -x $(top_builddir)/scripts/config/conf ] ; then \
 204             $(MAKE) -C scripts/config conf; \
 205         fi;
 206         @$(top_builddir)/scripts/config/conf -o $(CONFIG_CONFIG_IN)
 207
 208 include/bb_config.h: include/config.h
 209         echo -e "#ifndef BB_CONFIG_H\n#define BB_CONFIG_H" > $@
 210         sed -e 's/#undef CONFIG_\(.*\)/#define ENABLE_\1 0/' \
 211             -e 's/#define CONFIG_\(.*\)/#define CONFIG_\1\n#define ENABLE_\1/' \
 212                 < $< >> $@
 213         echo "#endif" >> $@
 214
 215 include/bbconfigopts.h: .config
 216         @[ -d $(@D) ] || mkdir -v $(@D)
 217         $(top_srcdir)/scripts/config/mkconfigs >include/bbconfigopts.h
 218
 219 finished2:
 220         $(SECHO)
 221         $(SECHO) Finished installing...
 222         $(SECHO)
 223
 224 else # ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
 225
 226 all: menuconfig
 227
 228 # configuration
 229 # ---------------------------------------------------------------------------
 230
 231 scripts/config/conf: scripts/config/Makefile $(top_srcdir)/Rules.mak
 232         $(MAKE) -C scripts/config conf
 233         -@if [ ! -f .config ] ; then \
 234                 cp $(CONFIG_DEFCONFIG) .config; \
 235         fi
 236
 237 scripts/config/mconf: scripts/config/Makefile $(top_srcdir)/Rules.mak
 238         $(MAKE) -C scripts/config ncurses conf mconf
 239         -@if [ ! -f .config ] ; then \
 240                 cp $(CONFIG_DEFCONFIG) .config; \
 241         fi
 242
 243 menuconfig: scripts/config/mconf
 244         @./scripts/config/mconf $(CONFIG_CONFIG_IN)
 245
 246 config: scripts/config/conf
 247         @./scripts/config/conf $(CONFIG_CONFIG_IN)
 248
 249 oldconfig: scripts/config/conf
 250         @./scripts/config/conf -o $(CONFIG_CONFIG_IN)
 251
 252 randconfig: scripts/config/conf
 253         @./scripts/config/conf -r $(CONFIG_CONFIG_IN)
 254
 255 allyesconfig: scripts/config/conf
 256         @./scripts/config/conf -y $(CONFIG_CONFIG_IN)
 257         sed -i -r -e "s/^(CONFIG_DEBUG|USING_CROSS_COMPILER|CONFIG_STATIC|CONFIG_SELINUX).*/# \1 is not set/" .config
 258         @./scripts/config/conf -o $(CONFIG_CONFIG_IN)
 259
 260 allnoconfig: scripts/config/conf
 261         @./scripts/config/conf -n $(CONFIG_CONFIG_IN)
 262
 263 defconfig: scripts/config/conf
 264         @./scripts/config/conf -d $(CONFIG_CONFIG_IN)
 265
 266 clean:
 267         - $(MAKE) -C scripts/config $@
 268         - rm -f docs/busybox.dvi docs/busybox.ps \
 269             docs/busybox.pod docs/busybox.net/busybox.html \
 270             docs/busybox pod2htm* *.gdb *.elf *~ core .*config.log \
 271             docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html \
 272             docs/busybox.net/BusyBox.html busybox.links libbb/loop.h \
 273             .config.old .hdepend busybox testsuite/links/*
 274         - rm -rf _install
 275         - find . -name .\*.flags -exec rm -f {} \;
 276         - find . -name \*.o -exec rm -f {} \;
 277         - find . -name \*.a -exec rm -f {} \;
 278
 279 distclean: clean
 280         - rm -f scripts/split-include scripts/mkdep
 281         - rm -rf include/config include/config.h include/bb_config.h include/bbconfigopts.h
 282         - find . -name .depend -exec rm -f {} \;
 283         rm -f .config .config.old .config.cmd
 284
 285 release: distclean #doc
 286         cd ..; \
 287         rm -rf $(PROG)-$(VERSION); \
 288         cp -a busybox $(PROG)-$(VERSION); \
 289         \
 290         find $(PROG)-$(VERSION)/ -type d \
 291                 -name .svn \
 292                 -print \
 293                 -exec rm -rf {} \; ; \
 294         \
 295         find $(PROG)-$(VERSION)/ -type f \
 296                 -name .\#* \
 297                 -print \
 298                 -exec rm -f {} \; ; \
 299         \
 300         tar -cvzf $(PROG)-$(VERSION).tar.gz $(PROG)-$(VERSION)/;
 301
 302 tags:
 303         ctags -R .
 304
 305
 306 endif # ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
 307
 308 endif # ifeq ($(skip-makefile),)
 309
 310 .PHONY: dummy subdirs release distclean clean config oldconfig \
 311         menuconfig tags check test depend buildtree