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 # You shouldn't have to edit anything in this file for configuration
   9 # purposes, try "make help" or read http://busybox.net/FAQ.html.
  10
  11 .PHONY: dummy subdirs release distclean clean config oldconfig menuconfig \
  12         tags check test depend dep buildtree hosttools _all checkhelp \
  13         sizes bloatcheck baseline objsizes
  14
  15 noconfig_targets := menuconfig config oldconfig randconfig hosttools \
  16         defconfig allyesconfig allnoconfig allbareconfig \
  17         clean distclean help \
  18         release tags
  19
  20 nocheck_targets := clean distclean help release tags
  21
  22 # the toplevel sourcedir
  23 ifndef top_srcdir
  24 top_srcdir=$(CURDIR)
  25 endif
  26 # toplevel directory of the object-tree
  27 ifndef top_builddir
  28 top_builddir=$(CURDIR)
  29 endif
  30
  31 export srctree=$(top_srcdir)
  32 vpath %/Config.in $(srctree)
  33
  34 DIRS:=applets archival archival/libunarchive coreutils console-tools \
  35         debianutils editors findutils init miscutils modutils networking \
  36         networking/libiproute networking/udhcp procps loginutils shell \
  37         sysklogd util-linux e2fsprogs libpwdgrp coreutils/libcoreutils libbb
  38
  39 SRC_DIRS:=$(patsubst %,$(top_srcdir)/%,$(DIRS))
  40
  41 # That's our default target when none is given on the command line
  42 _all:
  43
  44 CONFIG_CONFIG_IN = $(top_srcdir)/Config.in
  45
  46 ifeq ($(BUILD_SRC),)
  47 ifdef O
  48   ifeq ("$(origin O)", "command line")
  49     BUILD_OUTPUT := $(O)
  50     top_builddir := $(O)
  51   endif
  52 else
  53 # If no alternate output-dir was specified, we build in cwd
  54 # We are using BUILD_OUTPUT nevertheless to make sure that we create
  55 # Rules.mak and the toplevel Makefile, in case they don't exist.
  56   BUILD_OUTPUT := $(top_builddir)
  57 endif
  58
  59 # see if we are in verbose mode
  60 BUILD_VERBOSE :=
  61 ifdef V
  62   ifeq ("$(origin V)", "command line")
  63     BUILD_VERBOSE := $(V)
  64   endif
  65 endif
  66 ifdef VERBOSE
  67   ifeq ("$(origin VERBOSE)", "command line")
  68     BUILD_VERBOSE := $(VERBOSE)
  69   endif
  70 endif
  71
  72 ifneq ($(strip $(BUILD_VERBOSE)),)
  73   export BUILD_VERBOSE
  74   CHECK_VERBOSE := -v
  75 # ARFLAGS+=v
  76 endif
  77
  78 ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
  79 # pull in settings early
  80 -include $(top_srcdir)/Rules.mak
  81 endif
  82
  83 # All object directories.
  84 OBJ_DIRS := $(DIRS)
  85 all_tree := $(patsubst %,$(top_builddir)/%,$(OBJ_DIRS) scripts scripts/config include)
  86 all_tree: $(all_tree)
  87 $(all_tree):
  88         @mkdir -p "$@"
  89
  90 ifneq ($(BUILD_OUTPUT),)
  91 # Invoke a second make in the output directory, passing relevant variables
  92 # Check that the output directory actually exists
  93 saved-output := $(BUILD_OUTPUT)
  94 BUILD_OUTPUT := $(shell cd $(BUILD_OUTPUT) && /bin/pwd)
  95 $(if $(wildcard $(BUILD_OUTPUT)),, \
  96      $(error output directory "$(saved-output)" does not exist))
  97
  98 .PHONY: $(MAKECMDGOALS)
  99
 100 $(filter-out _all,$(MAKECMDGOALS)) _all: $(BUILD_OUTPUT)/Rules.mak $(BUILD_OUTPUT)/Makefile all_tree
 101         $(Q)$(MAKE) -C $(BUILD_OUTPUT) \
 102         top_srcdir=$(top_srcdir) \
 103         top_builddir=$(top_builddir) \
 104         BUILD_SRC=$(top_srcdir) \
 105         -f $(CURDIR)/Makefile $@
 106
 107 $(BUILD_OUTPUT)/Rules.mak:
 108         @echo > $@
 109         @echo top_srcdir=$(top_srcdir) >> $@
 110         @echo top_builddir=$(BUILD_OUTPUT) >> $@
 111         @echo include $(top_srcdir)/Rules.mak >> $@
 112
 113 $(BUILD_OUTPUT)/Makefile:
 114         @echo > $@
 115         @echo top_srcdir=$(top_srcdir) >> $@
 116         @echo top_builddir=$(BUILD_OUTPUT) >> $@
 117         @echo BUILD_SRC='$$(top_srcdir)' >> $@
 118         @echo include '$$(BUILD_SRC)'/Makefile >> $@
 119
 120 # Leave processing to above invocation of make
 121 skip-makefile := 1
 122 endif # ifneq ($(BUILD_OUTPUT),)
 123 endif # ifeq ($(BUILD_SRC),)
 124
 125 ifeq ($(skip-makefile),)
 126
 127 # We only need a copy of the Makefile for the config targets and reuse
 128 # the rest from the source directory, i.e. we do not cp ALL_MAKEFILES.
 129 scripts/config/Makefile: $(top_srcdir)/scripts/config/Makefile
 130         cp $< $@
 131
 132 _all: all
 133
 134 help:
 135         @echo 'Cleaning:'
 136         @echo '  clean                  - delete temporary files created by build'
 137         @echo '  distclean              - delete all non-source files (including .config)'
 138         @echo
 139         @echo 'Build:'
 140         @echo '  all                    - Executable and documentation'
 141         @echo '  busybox                - the swiss-army executable'
 142         @echo '  doc                    - docs/BusyBox.{txt,html,1}'
 143         @echo '  html                   - create html-based cross-reference'
 144         @echo
 145         @echo 'Configuration:'
 146         @echo '  allnoconfig            - disable all symbols in .config'
 147         @echo '  allyesconfig           - enable all symbols in .config (see defconfig)'
 148         @echo '  allbareconfig          - enable all applets without any sub-features'
 149         @echo '  config         - text based configurator (of last resort)'
 150         @echo '  defconfig              - set .config to largest generic configuration'
 151         @echo '  menuconfig             - interactive curses-based configurator'
 152         @echo '  oldconfig              - resolve any unresolved symbols in .config'
 153         @echo '  hosttools              - build sed for the host.'
 154         @echo '                           You can use these commands if the commands on the host'
 155         @echo '                           is unusable. Afterwards use it like:'
 156         @echo '                   make SED="$(top_builddir)/sed"'
 157         @echo
 158         @echo 'Installation:'
 159         @echo '  install                - install busybox into $(PREFIX)'
 160         @echo '  uninstall'
 161         @echo
 162         @echo 'Development:'
 163         @echo '  baseline               - create busybox_old for bloatcheck.'
 164         @echo '  bloatcheck             - show size difference between old and new versions'
 165         @echo '  check                  - run the test suite for all applets'
 166         @echo '  checkhelp              - check for missing help-entries in Config.in'
 167         @echo '  randconfig             - generate a random configuration'
 168         @echo '  release                - create a distribution tarball'
 169         @echo '  sizes                  - show size of all enabled busybox symbols'
 170         @echo '  objsizes               - show size of each .o object built'
 171         @echo
 172
 173
 174 include $(top_srcdir)/Rules.mak
 175
 176 ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
 177
 178 # Default target if none was requested explicitly
 179 all: menuconfig
 180
 181 # warn if no configuration exists and we are asked to build a non-config target
 182 .config:
 183         @echo ""
 184         @echo "No $(top_builddir)/$@ found!"
 185         @echo "Please refer to 'make  help', section Configuration."
 186         @echo ""
 187         @exit 1
 188
 189 # configuration
 190 # ---------------------------------------------------------------------------
 191
 192 scripts/config/conf: scripts/config/Makefile
 193         $(Q)$(MAKE) -C scripts/config conf
 194         -@if [ ! -f .config ] ; then \
 195                 touch .config; \
 196         fi
 197
 198 scripts/config/mconf: scripts/config/Makefile
 199         $(Q)$(MAKE) -C scripts/config ncurses conf mconf
 200         -@if [ ! -f .config ] ; then \
 201                 touch .config; \
 202         fi
 203
 204 menuconfig: scripts/config/mconf
 205         @[ -f .config ] || $(MAKE) $(MAKEFLAGS) defconfig
 206         @./scripts/config/mconf $(CONFIG_CONFIG_IN)
 207
 208 config: scripts/config/conf
 209         @./scripts/config/conf $(CONFIG_CONFIG_IN)
 210
 211 oldconfig: scripts/config/conf
 212         @./scripts/config/conf -o $(CONFIG_CONFIG_IN)
 213
 214 randconfig: scripts/config/conf
 215         @./scripts/config/conf -r $(CONFIG_CONFIG_IN)
 216
 217 allyesconfig: scripts/config/conf
 218         @./scripts/config/conf -y $(CONFIG_CONFIG_IN) > /dev/null
 219         @$(SED) -i -r -e "s/^(USING_CROSS_COMPILER)=.*/# \1 is not set/" .config
 220         @./scripts/config/conf -o $(CONFIG_CONFIG_IN) > /dev/null
 221
 222 allnoconfig: scripts/config/conf
 223         @./scripts/config/conf -n $(CONFIG_CONFIG_IN) > /dev/null
 224
 225 # defconfig is allyesconfig minus any features that are specialized enough
 226 # or cause enough behavior change that the user really should switch them on
 227 # manually if that's what they want.  Sort of "maximum sane config".
 228
 229 defconfig: scripts/config/conf
 230         @./scripts/config/conf -y $(CONFIG_CONFIG_IN) > /dev/null
 231         @$(SED) -i -r -e "s/^(USING_CROSS_COMPILER|CONFIG_(DEBUG.*|STATIC|SELINUX|BUILD_(AT_ONCE|LIBBUSYBOX)|FEATURE_(DEVFS|FULL_LIBBUSYBOX|SHARED_BUSYBOX|MTAB_SUPPORT|CLEAN_UP|UDHCP_DEBUG)|INSTALL_NO_USR))=.*/# \1 is not set/" .config
 232         @./scripts/config/conf -o $(CONFIG_CONFIG_IN) > /dev/null
 233
 234
 235 allbareconfig: scripts/config/conf
 236         @./scripts/config/conf -y $(CONFIG_CONFIG_IN) > /dev/null
 237         @$(SED) -i -r -e "s/^(USING_CROSS_COMPILER|CONFIG_(DEBUG|STATIC|SELINUX|DEVFSD|NC_GAPING_SECURITY_HOLE|BUILD_AT_ONCE)).*/# \1 is not set/" .config
 238         @$(SED) -i -e "/FEATURE/s/=.*//;/^[^#]/s/.*FEATURE.*/# \0 is not set/;" .config
 239         @echo "CONFIG_FEATURE_BUFFERS_GO_ON_STACK=y" >> .config
 240         @yes n | ./scripts/config/conf -o $(CONFIG_CONFIG_IN) > /dev/null
 241
 242 hosttools:
 243         $(Q)cp .config .config.bak || noold=yea
 244         $(Q)$(MAKE) CC="$(HOSTCC)" CFLAGS="$(HOSTCFLAGS) $(INCS)" allnoconfig
 245         $(Q)mv .config .config.in
 246         $(Q)(grep -v CONFIG_SED .config.in ; \
 247          echo "CONFIG_SED=y" ; ) > .config
 248         $(Q)$(MAKE) CC="$(HOSTCC)" CFLAGS="$(HOSTCFLAGS) $(INCS)" oldconfig include/bb_config.h
 249         $(Q)$(MAKE) CC="$(HOSTCC)" CFLAGS="$(HOSTCFLAGS) $(INCS)" busybox
 250         $(Q)[ -f .config.bak ] && mv .config.bak .config || rm .config
 251         mv busybox sed
 252         @echo "Now do: $(MAKE) SED=$(top_builddir)/sed <target>"
 253
 254 else # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
 255
 256 all: busybox busybox.links doc
 257
 258 # In this section, we need .config
 259 -include $(top_builddir)/.config.cmd
 260 include $(patsubst %,%/Makefile.in, $(SRC_DIRS))
 261
 262 endif # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
 263
 264 -include $(top_builddir)/.config
 265 -include $(top_builddir)/.depend
 266
 267
 268 ifeq ($(strip $(CONFIG_BUILD_AT_ONCE)),y)
 269 libraries-y:=
 270 # Which parts of the internal libs are requested?
 271 # Per default we only want what was actually selected.
 272 # -a denotes all while -y denotes the selected ones.
 273 ifeq ($(strip $(CONFIG_FEATURE_FULL_LIBBUSYBOX)),y)
 274 LIBRARY_DEFINE:=$(LIBRARY_DEFINE-a)
 275 LIBRARY_SRC   :=$(LIBRARY_SRC-a)
 276 else # CONFIG_FEATURE_FULL_LIBBUSYBOX
 277 LIBRARY_DEFINE:=$(LIBRARY_DEFINE-y)
 278 LIBRARY_SRC   :=$(LIBRARY_SRC-y)
 279 endif # CONFIG_FEATURE_FULL_LIBBUSYBOX
 280 APPLET_SRC:=$(APPLET_SRC-y)
 281 APPLETS_DEFINE:=$(APPLETS_DEFINE-y)
 282 else  # CONFIG_BUILD_AT_ONCE
 283 # no --combine, build archives out of the individual .o
 284 # This was the old way the binary was built.
 285 libbusybox-obj:=archival/libunarchive/libunarchive.a \
 286         networking/libiproute/libiproute.a \
 287         libpwdgrp/libpwdgrp.a \
 288         coreutils/libcoreutils/libcoreutils.a \
 289         libbb/libbb.a
 290 libbusybox-obj:=$(patsubst %,$(top_builddir)/%,$(libbusybox-obj))
 291
 292 ifeq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
 293 # linking against libbusybox, so don't build the .a already contained in the .so
 294 libraries-y:=$(filter-out $(libbusybox-obj),$(libraries-y))
 295 endif # CONFIG_FEATURE_SHARED_BUSYBOX
 296 endif # CONFIG_BUILD_AT_ONCE
 297
 298
 299 ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
 300 LD_LIBBUSYBOX:=libbusybox.so
 301 LIBBUSYBOX_SONAME:=$(LD_LIBBUSYBOX).$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL_VERSION)
 302 DO_INSTALL_LIBS:=$(LD_LIBBUSYBOX) \
 303         $(LD_LIBBUSYBOX).$(MAJOR_VERSION) \
 304         $(LD_LIBBUSYBOX).$(MAJOR_VERSION).$(MINOR_VERSION)
 305 endif # CONFIG_BUILD_LIBBUSYBOX
 306
 307 ifeq ($(strip $(CONFIG_BUILD_AT_ONCE)),y)
 308 ifneq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
 309 # --combine but not linking against libbusybox, so compile all
 310 BUSYBOX_SRC   := $(LIBRARY_SRC)
 311 BUSYBOX_DEFINE:= $(LIBRARY_DEFINE)
 312 endif # !CONFIG_FEATURE_SHARED_BUSYBOX
 313 $(LIBBUSYBOX_SONAME): $(LIBRARY_SRC)
 314 else # CONFIG_BUILD_AT_ONCE
 315 $(LIBBUSYBOX_SONAME): $(libbusybox-obj)
 316 endif # CONFIG_BUILD_AT_ONCE
 317
 318 ifeq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
 319 LDBUSYBOX:=-L$(top_builddir) -lbusybox
 320 endif
 321
 322 ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
 323 $(LIBBUSYBOX_SONAME):
 324 ifndef MAJOR_VERSION
 325         $(error MAJOR_VERSION needed for $@ is not defined)
 326 endif
 327         $(do_link.so) \
 328         -Wl,-soname=$(LD_LIBBUSYBOX).$(MAJOR_VERSION) \
 329         -Wl,-z,combreloc
 330         @rm -f $(DO_INSTALL_LIBS)
 331         @for i in $(DO_INSTALL_LIBS); do ln -s $(@) $$i ; done
 332         $(do_strip)
 333
 334 endif # ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
 335
 336 busybox_unstripped: .depend $(LIBBUSYBOX_SONAME) $(BUSYBOX_SRC) $(APPLET_SRC) $(libraries-y)
 337         $(do_link)
 338
 339 busybox: busybox_unstripped
 340         $(Q)cp busybox_unstripped busybox
 341         $(do_strip)
 342
 343 %.bflt: %_unstripped
 344         $(do_elf2flt)
 345
 346 busybox.links: $(top_srcdir)/applets/busybox.mkll include/bb_config.h $(top_srcdir)/include/applets.h
 347         $(Q)-$(SHELL) $^ >$@
 348
 349 install: $(top_srcdir)/applets/install.sh busybox busybox.links
 350         $(Q)DO_INSTALL_LIBS="$(strip $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS))" \
 351                 $(SHELL) $< $(PREFIX) $(INSTALL_OPTS)
 352 ifeq ($(strip $(CONFIG_FEATURE_SUID)),y)
 353         @echo
 354         @echo
 355         @echo --------------------------------------------------
 356         @echo You will probably need to make your busybox binary
 357         @echo setuid root to ensure all configured applets will
 358         @echo work properly.
 359         @echo --------------------------------------------------
 360         @echo
 361 endif
 362
 363 uninstall: busybox.links
 364         rm -f $(PREFIX)/bin/busybox
 365         for i in `cat busybox.links` ; do rm -f $(PREFIX)$$i; done
 366 ifneq ($(strip $(DO_INSTALL_LIBS)),n)
 367         for i in $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS); do \
 368                 rm -f $(PREFIX)$$i; \
 369         done
 370 endif
 371
 372 check test: busybox
 373         bindir=$(top_builddir) srcdir=$(top_srcdir)/testsuite SED="$(SED)" \
 374         $(SHELL) $(top_srcdir)/testsuite/runtest $(CHECK_VERBOSE)
 375
 376 checkhelp:
 377         $(Q)$(top_srcdir)/scripts/checkhelp.awk \
 378                 $(wildcard $(patsubst %,%/Config.in,$(SRC_DIRS) ./))
 379
 380 sizes: busybox_unstripped
 381         $(NM) --size-sort $(<)
 382
 383 bloatcheck: busybox_old busybox_unstripped
 384         @$(top_srcdir)/scripts/bloat-o-meter busybox_old busybox_unstripped
 385
 386 baseline: busybox_unstripped
 387         @mv busybox_unstripped busybox_old
 388
 389 objsizes: busybox_unstripped
 390         $(SHELL) $(top_srcdir)/scripts/objsizes
 391
 392 # Documentation Targets
 393 doc: docs/busybox.pod docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html
 394
 395 docs/busybox.pod : $(top_srcdir)/docs/busybox_header.pod $(top_srcdir)/include/usage.h $(top_srcdir)/docs/busybox_footer.pod $(top_srcdir)/docs/autodocifier.pl
 396         $(disp_doc)
 397         $(Q)-mkdir -p docs
 398         $(Q)-( cat $(top_srcdir)/docs/busybox_header.pod ; \
 399             $(top_srcdir)/docs/autodocifier.pl $(top_srcdir)/include/usage.h ; \
 400             cat $(top_srcdir)/docs/busybox_footer.pod ; ) > docs/busybox.pod
 401
 402 docs/BusyBox.txt: docs/busybox.pod
 403         $(disp_doc)
 404         $(Q)-mkdir -p docs
 405         $(Q)-pod2text $< > $@
 406
 407 docs/BusyBox.1: docs/busybox.pod
 408         $(disp_doc)
 409         $(Q)-mkdir -p docs
 410         $(Q)-pod2man --center=BusyBox --release="version $(VERSION)" \
 411                 $< > $@
 412
 413 docs/BusyBox.html: docs/busybox.net/BusyBox.html
 414         $(disp_doc)
 415         $(Q)-mkdir -p docs
 416         $(Q)-rm -f docs/BusyBox.html
 417         $(Q)-cp docs/busybox.net/BusyBox.html docs/BusyBox.html
 418
 419 docs/busybox.net/BusyBox.html: docs/busybox.pod
 420         $(Q)-mkdir -p docs/busybox.net
 421         $(Q)-pod2html --noindex $< > \
 422             docs/busybox.net/BusyBox.html
 423         $(Q)-rm -f pod2htm*
 424
 425 # The nifty new dependency stuff
 426 scripts/bb_mkdep: $(top_srcdir)/scripts/bb_mkdep.c
 427         $(do_link.h)
 428
 429 DEP_INCLUDES := include/bb_config.h
 430
 431 ifeq ($(strip $(CONFIG_BBCONFIG)),y)
 432 DEP_INCLUDES += include/bbconfigopts.h
 433
 434 include/bbconfigopts.h: .config $(top_srcdir)/scripts/config/mkconfigs
 435         $(disp_gen)
 436         $(Q)$(top_srcdir)/scripts/config/mkconfigs > $@
 437 endif
 438
 439 ifeq ($(strip $(CONFIG_FEATURE_COMPRESS_USAGE)),y)
 440 USAGE_BIN:=scripts/usage
 441 $(USAGE_BIN): $(top_srcdir)/scripts/usage.c .config
 442         $(do_link.h)
 443
 444 DEP_INCLUDES += include/usage_compressed.h
 445
 446 include/usage_compressed.h: .config $(USAGE_BIN) $(top_srcdir)/scripts/usage_compressed
 447         $(Q)SED="$(SED)" $(SHELL) $(top_srcdir)/scripts/usage_compressed "$(top_builddir)/scripts" > $@
 448 endif # CONFIG_FEATURE_COMPRESS_USAGE
 449
 450 # workaround alleged bug in make-3.80, make-3.81
 451 .NOTPARALLEL: .depend
 452
 453 depend dep: .depend
 454 .depend: scripts/bb_mkdep $(USAGE_BIN) $(DEP_INCLUDES)
 455         $(disp_gen)
 456         $(Q)rm -f .depend
 457         $(Q)mkdir -p include/config
 458         $(Q)scripts/bb_mkdep -I $(top_srcdir)/include $(top_srcdir) > $@.tmp
 459         $(Q)mv $@.tmp $@
 460
 461 include/bb_config.h: .config
 462         @if [ ! -x $(top_builddir)/scripts/config/conf ] ; then \
 463             $(MAKE) -C scripts/config conf; \
 464         fi;
 465         @$(top_builddir)/scripts/config/conf -o $(CONFIG_CONFIG_IN)
 466
 467 clean:
 468         - $(MAKE) -C scripts/config $@
 469         - rm -f docs/busybox.dvi docs/busybox.ps \
 470             docs/busybox.pod docs/busybox.net/busybox.html \
 471             docs/busybox pod2htm* *.gdb *.elf *~ core .*config.log \
 472             docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html \
 473             docs/busybox.net/BusyBox.html busybox.links \
 474             libbusybox.so* \
 475             .config.old busybox busybox_unstripped
 476         - rm -r -f _install testsuite/links
 477         - find . -name .\*.flags -o -name \*.o  -o -name \*.om -o -name \*.syn \
 478             -o -name \*.os -o -name \*.osm -o -name \*.a | xargs rm -f
 479
 480 distclean: clean
 481         rm -f scripts/bb_mkdep scripts/usage
 482         rm -r -f include/config include/config.h $(DEP_INCLUDES)
 483         find . -name .depend'*' -print0 | xargs -0 rm -f
 484         rm -f .hdepend
 485         rm -f .config .config.old .config.cmd
 486
 487 release: distclean #doc
 488         cd ..; \
 489         rm -r -f $(PROG)-$(VERSION); \
 490         cp -a busybox $(PROG)-$(VERSION); \
 491         \
 492         find $(PROG)-$(VERSION)/ -type d \
 493                 -name .svn \
 494                 -print \
 495                 -exec rm -r -f {} \; ; \
 496         \
 497         find $(PROG)-$(VERSION)/ -type f \
 498                 -name .\#* \
 499                 -print \
 500                 -exec rm -f {} \; ; \
 501         \
 502         tar -cvzf $(PROG)-$(VERSION).tar.gz $(PROG)-$(VERSION)/;
 503
 504 tags:
 505         ctags -R .
 506
 507 # documentation, cross-reference
 508 # Modern distributions already ship synopsis packages (e.g. debian)
 509 # If you have an old distribution go to http://synopsis.fresco.org/
 510 syn_tgt := $(wildcard $(patsubst %,%/*.c,$(SRC_DIRS)))
 511 syn     := $(patsubst %.c, %.syn, $(syn_tgt))
 512
 513 %.syn: %.c
 514         synopsis -p C -l Comments.SSDFilter,Comments.Previous $(INCS) -Wp,verbose,debug,preprocess,cppflags="'$(CFLAGS) $(EXTRA_CFLAGS) $(LDFLAGS) $(PROG_CFLAGS) $(PROG_LDFLAGS) $(CFLAGS_COMBINE) $(APPLETS_DEFINE) $(BUSYBOX_DEFINE)'" -o $@ $<
 515 html: $(syn)
 516         synopsis -f HTML -Wf,title="'BusyBox Documentation'" -o $@ $^
 517
 518
 519 endif # ifeq ($(skip-makefile),)
 520