1 # Makefile for buildroot2
3 # Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org>
4 # Copyright (C) 2006-2012 by the Buildroot developers <buildroot@uclibc.org>
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 # General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #--------------------------------------------------------------
22 # Just run 'make menuconfig', configure stuff, then run 'make'.
23 # You shouldn't need to mess with anything beyond this point...
24 #--------------------------------------------------------------
26 # Set and export the version string
27 export BR2_VERSION:=2013.05-rc1
29 # Check for minimal make version (note: this check will break at make 10.x)
31 ifneq ($(firstword $(sort $(MAKE_VERSION) $(MIN_MAKE_VERSION))),$(MIN_MAKE_VERSION))
32 $(error You have make '$(MAKE_VERSION)' installed. GNU make >= $(MIN_MAKE_VERSION) is required)
35 export HOSTARCH := $(shell uname -m | \
45 # This top-level Makefile can *not* be executed in parallel
50 CONFIG_CONFIG_IN=Config.in
51 CONFIG=support/kconfig
52 DATE:=$(shell date +%Y%m%d)
54 # Compute the full local version string so packages can use it as-is
55 # Need to export it, so it can be got from environment in children (eg. mconf)
56 export BR2_VERSION_FULL:=$(BR2_VERSION)$(shell $(TOPDIR)/support/scripts/setlocalversion)
58 noconfig_targets:=menuconfig nconfig gconfig xconfig config oldconfig randconfig \
59 %_defconfig allyesconfig allnoconfig silentoldconfig release \
60 randpackageconfig allyespackageconfig allnopackageconfig \
61 source-check print-version olddefconfig
63 # Strip quotes and then whitespaces
64 qstrip=$(strip $(subst ",,$(1)))
67 # Variables for use in Make constructs
70 space:=$(empty) $(empty)
72 ifneq ("$(origin O)", "command line")
77 # other packages might also support Linux-style out of tree builds
78 # with the O=<dir> syntax (E.G. Busybox does). As make automatically
79 # forwards command line variable definitions those packages get very
80 # confused. Fix this by telling make to not do so
82 # strangely enough O is still passed to submakes with MAKEOVERRIDES
83 # (with make 3.81 atleast), the only thing that changes is the output
84 # of the origin function (command line -> environment).
85 # Unfortunately some packages don't look at origin (E.G. uClibc 0.9.31+)
86 # To really make O go away, we have to override it.
89 # we need to pass O= everywhere we call back into the toplevel makefile
90 EXTRAMAKEARGS = O=$(O)
94 BUILDROOT_CONFIG=$(CONFIG_DIR)/.config
96 # Pull in the user's configuration file
97 ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
98 -include $(BUILDROOT_CONFIG)
101 # To put more focus on warnings, be less verbose as default
102 # Use 'make V=1' to see the full commands
104 ifeq ("$(origin V)", "command line")
108 ifndef KBUILD_VERBOSE
112 ifeq ($(KBUILD_VERBOSE),1)
123 # we want bash as shell
124 SHELL:=$(shell if [ -x "$$BASH" ]; then echo $$BASH; \
125 else if [ -x /bin/bash ]; then echo /bin/bash; \
126 else echo sh; fi; fi)
128 # kconfig uses CONFIG_SHELL
129 CONFIG_SHELL:=$(SHELL)
131 export SHELL CONFIG_SHELL quiet Q KBUILD_VERBOSE VERBOSE
141 HOSTCC:=$(shell which $(HOSTCC) || type -p $(HOSTCC) || echo gcc)
143 HOSTCC_NOCCACHE:=$(HOSTCC)
146 HOSTCXX:=$(shell which $(HOSTCXX) || type -p $(HOSTCXX) || echo g++)
148 HOSTCXX_NOCCACHE:=$(HOSTCXX)
164 HOSTAR:=$(shell which $(HOSTAR) || type -p $(HOSTAR) || echo ar)
165 HOSTAS:=$(shell which $(HOSTAS) || type -p $(HOSTAS) || echo as)
166 HOSTFC:=$(shell which $(HOSTLD) || type -p $(HOSTLD) || echo || which g77 || type -p g77 || echo gfortran)
167 HOSTCPP:=$(shell which $(HOSTCPP) || type -p $(HOSTCPP) || echo cpp)
168 HOSTLD:=$(shell which $(HOSTLD) || type -p $(HOSTLD) || echo ld)
169 HOSTLN:=$(shell which $(HOSTLN) || type -p $(HOSTLN) || echo ln)
170 HOSTNM:=$(shell which $(HOSTNM) || type -p $(HOSTNM) || echo nm)
172 export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTFC HOSTLD
173 export HOSTCC_NOCCACHE HOSTCXX_NOCCACHE
175 # Make sure pkg-config doesn't look outside the buildroot tree
176 unexport PKG_CONFIG_PATH
177 unexport PKG_CONFIG_SYSROOT_DIR
179 # Having DESTDIR set in the environment confuses the installation
180 # steps of some packages.
183 # bash prints the name of the directory on 'cd <dir>' if CDPATH is
184 # set, so unset it here to not cause problems. Notice that the export
185 # line doesn't affect the environment of $(shell ..) calls, so
186 # explictly throw away any output from 'cd' here.
188 BASE_DIR := $(shell mkdir -p $(O) && cd $(O) >/dev/null && pwd)
189 $(if $(BASE_DIR),, $(error output directory "$(O)" does not exist))
191 BUILD_DIR:=$(BASE_DIR)/build
194 ifeq ($(BR2_HAVE_DOT_CONFIG),y)
196 #############################################################
198 # Hide troublesome environment variables from sub processes
200 #############################################################
201 unexport CROSS_COMPILE
208 unexport GREP_OPTIONS
213 GNU_HOST_NAME:=$(shell support/gnuconfig/config.guess)
215 ##############################################################
217 # The list of stuff to build for the target toolchain
218 # along with the packages to build for the target.
220 ##############################################################
222 ifeq ($(BR2_CCACHE),y)
223 BASE_TARGETS += host-ccache
226 ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
227 BASE_TARGETS += uclibc-configured host-binutils cross_compiler uclibc-target-utils kernel-headers
229 BASE_TARGETS += uclibc
233 # silent mode requested?
234 QUIET:=$(if $(findstring s,$(MAKEFLAGS)),-q)
236 # Strip off the annoying quoting
237 ARCH:=$(call qstrip,$(BR2_ARCH))
239 KERNEL_ARCH:=$(shell echo "$(ARCH)" | sed -e "s/-.*//" \
240 -e s/i.86/i386/ -e s/sun4u/sparc64/ \
243 -e s/arm.*/arm/ -e s/sa110/arm/ \
244 -e s/aarch64/arm64/ \
245 -e s/bfin/blackfin/ \
246 -e s/parisc64/parisc/ \
247 -e s/powerpc64/powerpc/ \
248 -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
251 ZCAT:=$(call qstrip,$(BR2_ZCAT))
252 BZCAT:=$(call qstrip,$(BR2_BZCAT))
253 XZCAT:=$(call qstrip,$(BR2_XZCAT))
254 TAR_OPTIONS=$(call qstrip,$(BR2_TAR_OPTIONS)) -xf
256 # packages compiled for the host go here
257 HOST_DIR:=$(call qstrip,$(BR2_HOST_DIR))
259 # locales to generate
260 GENERATE_LOCALE=$(call qstrip,$(BR2_GENERATE_LOCALE))
262 # stamp (dependency) files go here
263 STAMP_DIR:=$(BASE_DIR)/stamps
265 BINARIES_DIR:=$(BASE_DIR)/images
266 TARGET_DIR:=$(BASE_DIR)/target
267 TOOLCHAIN_DIR=$(BASE_DIR)/toolchain
268 TARGET_SKELETON=$(TOPDIR)/system/skeleton
270 LEGAL_INFO_DIR=$(BASE_DIR)/legal-info
271 REDIST_SOURCES_DIR=$(LEGAL_INFO_DIR)/sources
272 LICENSE_FILES_DIR=$(LEGAL_INFO_DIR)/licenses
273 LEGAL_MANIFEST_CSV=$(LEGAL_INFO_DIR)/manifest.csv
274 LEGAL_LICENSES_TXT=$(LEGAL_INFO_DIR)/licenses.txt
275 LEGAL_WARNINGS=$(LEGAL_INFO_DIR)/.warnings
276 LEGAL_REPORT=$(LEGAL_INFO_DIR)/README
278 # Location of a file giving a big fat warning that output/target
279 # should not be used as the root filesystem.
280 TARGET_DIR_WARNING_FILE=$(TARGET_DIR)/THIS_IS_NOT_YOUR_ROOT_FILESYSTEM
282 ifeq ($(BR2_CCACHE),y)
283 CCACHE:=$(HOST_DIR)/usr/bin/ccache
284 BUILDROOT_CACHE_DIR = $(call qstrip,$(BR2_CCACHE_DIR))
285 export BUILDROOT_CACHE_DIR
286 HOSTCC := $(CCACHE) $(HOSTCC)
287 HOSTCXX := $(CCACHE) $(HOSTCXX)
290 # Scripts in support/ or post-build scripts may need to reference
291 # these locations, so export them so it is easier to use
292 export BUILDROOT_CONFIG
299 #############################################################
301 # You should probably leave this stuff alone unless you know
302 # what you are doing.
304 #############################################################
308 # Include legacy before the other things, because package .mk files
310 ifneq ($(BR2_DEPRECATED),y)
311 include Makefile.legacy
314 include package/Makefile.in
315 include support/dependencies/dependencies.mk
317 # We also need the various per-package makefiles, which also add
318 # each selected package to TARGETS if that package was selected
319 # in the .config file.
320 ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
321 include toolchain/toolchain-buildroot.mk
322 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL),y)
323 include toolchain/toolchain-external.mk
324 else ifeq ($(BR2_TOOLCHAIN_CTNG),y)
325 include toolchain/toolchain-crosstool-ng.mk
328 # Include the package override file if one has been provided in the
330 PACKAGE_OVERRIDE_FILE=$(call qstrip,$(BR2_PACKAGE_OVERRIDE_FILE))
331 ifneq ($(PACKAGE_OVERRIDE_FILE),)
332 -include $(PACKAGE_OVERRIDE_FILE)
335 include package/*/*.mk
337 include boot/common.mk
338 include linux/linux.mk
339 include system/system.mk
341 TARGETS+=target-finalize
343 ifeq ($(BR2_ENABLE_LOCALE_PURGE),y)
344 TARGETS+=target-purgelocales
347 ifneq ($(BR2_TOOLCHAIN_EXTERNAL_GLIBC)$(BR2_TOOLCHAIN_CTNG_eglibc)$(BR2_TOOLCHAIN_CTNG_glibc),)
348 ifneq ($(GENERATE_LOCALE),)
349 TARGETS+=target-generatelocales
353 ifeq ($(BR2_ECLIPSE_REGISTER),y)
354 TARGETS+=toolchain-eclipse-register
359 TARGETS+=target-post-image
361 TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS))
362 TARGETS_SOURCE:=$(patsubst %,%-source,$(TARGETS) $(BASE_TARGETS))
363 TARGETS_DIRCLEAN:=$(patsubst %,%-dirclean,$(TARGETS))
364 TARGETS_ALL:=$(patsubst %,__real_tgt_%,$(TARGETS))
366 # host-* dependencies have to be handled specially, as those aren't
367 # visible in Kconfig and hence not added to a variable like TARGETS.
368 # instead, find all the host-* targets listed in each <PKG>_DEPENDENCIES
369 # variable for each enabled target.
370 # Notice: this only works for newstyle gentargets/autotargets packages
371 TARGETS_HOST_DEPS = $(sort $(filter host-%,$(foreach dep,\
372 $(addsuffix _DEPENDENCIES,$(call UPPERCASE,$(TARGETS))),\
374 # Host packages can in turn have their own dependencies. Likewise find
375 # all the package names listed in the HOST_<PKG>_DEPENDENCIES for each
376 # host package found above. Ideally this should be done recursively until
377 # no more packages are found, but that's hard to do in make, so limit to
379 HOST_DEPS = $(sort $(foreach dep,\
380 $(addsuffix _DEPENDENCIES,$(call UPPERCASE,$(TARGETS_HOST_DEPS))),\
382 HOST_SOURCE += $(addsuffix -source,$(sort $(TARGETS_HOST_DEPS) $(HOST_DEPS)))
384 TARGETS_LEGAL_INFO:=$(patsubst %,%-legal-info,\
385 $(TARGETS) $(BASE_TARGETS) $(TARGETS_HOST_DEPS) $(HOST_DEPS))))
387 # all targets depend on the crosscompiler and it's prerequisites
388 $(TARGETS_ALL): __real_tgt_%: $(BASE_TARGETS) %
390 dirs: $(TOOLCHAIN_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
391 $(HOST_DIR) $(BINARIES_DIR) $(STAMP_DIR)
393 $(BASE_TARGETS): dirs $(HOST_DIR)/usr/share/buildroot/toolchainfile.cmake
395 $(BUILD_DIR)/buildroot-config/auto.conf: $(BUILDROOT_CONFIG)
396 $(MAKE) $(EXTRAMAKEARGS) HOSTCC="$(HOSTCC_NOCCACHE)" HOSTCXX="$(HOSTCXX_NOCCACHE)" silentoldconfig
398 prepare: $(BUILD_DIR)/buildroot-config/auto.conf
400 toolchain: prepare dirs dependencies $(BASE_TARGETS)
402 world: toolchain $(TARGETS_ALL)
404 .PHONY: all world toolchain dirs clean distclean source outputmakefile \
405 legal-info legal-info-prepare legal-info-clean \
406 $(BASE_TARGETS) $(TARGETS) $(TARGETS_ALL) \
407 $(TARGETS_CLEAN) $(TARGETS_DIRCLEAN) $(TARGETS_SOURCE) $(TARGETS_LEGAL_INFO) \
408 $(TOOLCHAIN_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
409 $(HOST_DIR) $(BINARIES_DIR) $(STAMP_DIR)
411 #############################################################
413 # staging and target directories do NOT list these as
414 # dependencies anywhere else
416 #############################################################
417 $(TOOLCHAIN_DIR) $(BUILD_DIR) $(HOST_DIR) $(BINARIES_DIR) $(STAMP_DIR) $(LEGAL_INFO_DIR) $(REDIST_SOURCES_DIR):
421 @mkdir -p $(STAGING_DIR)/bin
422 @mkdir -p $(STAGING_DIR)/lib
423 @mkdir -p $(STAGING_DIR)/usr/lib
424 @mkdir -p $(STAGING_DIR)/usr/include
425 @mkdir -p $(STAGING_DIR)/usr/bin
426 @ln -snf $(STAGING_DIR) $(BASE_DIR)/staging
428 ifeq ($(BR2_ROOTFS_SKELETON_CUSTOM),y)
429 TARGET_SKELETON=$(BR2_ROOTFS_SKELETON_CUSTOM_PATH)
433 mkdir -p $(TARGET_DIR)
435 --exclude .empty --exclude .svn --exclude .git \
436 --exclude .hg --exclude=CVS --exclude '*~' \
437 $(TARGET_SKELETON)/ $(TARGET_DIR)/
438 cp support/misc/target-dir-warning.txt $(TARGET_DIR_WARNING_FILE)
441 $(TARGET_DIR): $(BUILD_DIR)/.root
443 STRIP_FIND_CMD = find $(TARGET_DIR)
444 ifneq (,$(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS)))
445 STRIP_FIND_CMD += \( $(call finddirclauses,$(TARGET_DIR),$(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS))) \) -prune -o
447 STRIP_FIND_CMD += -type f -perm +111
448 STRIP_FIND_CMD += -not \( $(call findfileclauses,libpthread*.so* $(call qstrip,$(BR2_STRIP_EXCLUDE_FILES))) \) -print
451 ifeq ($(BR2_HAVE_DEVFILES),y)
452 ( support/scripts/copy.sh $(STAGING_DIR) $(TARGET_DIR) )
454 rm -rf $(TARGET_DIR)/usr/include $(TARGET_DIR)/usr/share/aclocal \
455 $(TARGET_DIR)/usr/lib/pkgconfig $(TARGET_DIR)/usr/share/pkgconfig \
456 $(TARGET_DIR)/usr/lib/cmake $(TARGET_DIR)/usr/share/cmake
457 find $(TARGET_DIR)/usr/{lib,share}/ -name '*.cmake' -print0 | xargs -0 rm -f
458 find $(TARGET_DIR)/lib \( -name '*.a' -o -name '*.la' \) -print0 | xargs -0 rm -f
459 find $(TARGET_DIR)/usr/lib \( -name '*.a' -o -name '*.la' \) -print0 | xargs -0 rm -f
461 ifneq ($(BR2_PACKAGE_GDB),y)
462 rm -rf $(TARGET_DIR)/usr/share/gdb
464 ifneq ($(BR2_HAVE_DOCUMENTATION),y)
465 rm -rf $(TARGET_DIR)/usr/man $(TARGET_DIR)/usr/share/man
466 rm -rf $(TARGET_DIR)/usr/info $(TARGET_DIR)/usr/share/info
467 rm -rf $(TARGET_DIR)/usr/doc $(TARGET_DIR)/usr/share/doc
468 rm -rf $(TARGET_DIR)/usr/share/gtk-doc
469 -rmdir $(TARGET_DIR)/usr/share 2>/dev/null
471 ifeq ($(BR2_PACKAGE_PYTHON_PY_ONLY),y)
472 find $(TARGET_DIR)/usr/lib/ -name '*.pyc' -print0 | xargs -0 rm -f
474 ifeq ($(BR2_PACKAGE_PYTHON_PYC_ONLY),y)
475 find $(TARGET_DIR)/usr/lib/ -name '*.py' -print0 | xargs -0 rm -f
477 $(STRIP_FIND_CMD) | xargs $(STRIPCMD) 2>/dev/null || true
478 find $(TARGET_DIR)/lib/modules -type f -name '*.ko' | \
479 xargs -r $(KSTRIPCMD) || true
481 # See http://sourceware.org/gdb/wiki/FAQ, "GDB does not see any threads
482 # besides the one in which crash occurred; or SIGTRAP kills my program when
483 # I set a breakpoint"
484 ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
485 find $(TARGET_DIR)/lib -type f -name 'libpthread*.so*' | \
486 xargs $(STRIPCMD) $(STRIP_STRIP_DEBUG) || true
489 mkdir -p $(TARGET_DIR)/etc
490 # Mandatory configuration file and auxilliary cache directory
491 # for recent versions of ldconfig
492 touch $(TARGET_DIR)/etc/ld.so.conf
493 mkdir -p $(TARGET_DIR)/var/cache/ldconfig
494 if [ -x "$(TARGET_CROSS)ldconfig" ]; \
496 $(TARGET_CROSS)ldconfig -r $(TARGET_DIR); \
498 /sbin/ldconfig -r $(TARGET_DIR); \
501 echo "NAME=Buildroot"; \
502 echo "VERSION=$(BR2_VERSION_FULL)"; \
503 echo "ID=buildroot"; \
504 echo "VERSION_ID=$(BR2_VERSION)"; \
505 echo "PRETTY_NAME=\"Buildroot $(BR2_VERSION)\"" \
506 ) > $(TARGET_DIR)/etc/os-release
508 @$(foreach d, $(call qstrip,$(BR2_ROOTFS_OVERLAY)), \
509 $(call MESSAGE,"Copying overlay $(d)"); \
511 --exclude .empty --exclude .svn --exclude .git \
512 --exclude .hg --exclude=CVS --exclude '*~' \
513 $(d)/ $(TARGET_DIR)$(sep))
515 @$(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_BUILD_SCRIPT)), \
516 $(call MESSAGE,"Executing post-build script $(s)"); \
517 $(s) $(TARGET_DIR)$(sep))
519 ifeq ($(BR2_ENABLE_LOCALE_PURGE),y)
520 LOCALE_WHITELIST=$(BUILD_DIR)/locales.nopurge
521 LOCALE_NOPURGE=$(call qstrip,$(BR2_ENABLE_LOCALE_WHITELIST))
524 rm -f $(LOCALE_WHITELIST)
525 for i in $(LOCALE_NOPURGE); do echo $$i >> $(LOCALE_WHITELIST); done
527 for dir in $(wildcard $(addprefix $(TARGET_DIR),/usr/share/locale /usr/share/X11/locale /usr/man /usr/share/man)); \
529 for lang in $$(cd $$dir; ls .|grep -v man); \
531 grep -qx $$lang $(LOCALE_WHITELIST) || rm -rf $$dir/$$lang; \
536 ifneq ($(GENERATE_LOCALE),)
537 # Generate locale data. Basically, we call the localedef program
538 # (built by the host-localedef package) for each locale. The input
539 # data comes preferably from the toolchain, or if the toolchain does
540 # not have them (Linaro toolchains), we use the ones available on the
542 target-generatelocales: host-localedef
543 $(Q)mkdir -p $(TARGET_DIR)/usr/lib/locale/
544 $(Q)for locale in $(GENERATE_LOCALE) ; do \
545 inputfile=`echo $${locale} | cut -f1 -d'.'` ; \
546 charmap=`echo $${locale} | cut -f2 -d'.'` ; \
547 if test -z "$${charmap}" ; then \
550 echo "Generating locale $${inputfile}.$${charmap}" ; \
551 I18NPATH=$(STAGING_DIR)/usr/share/i18n:/usr/share/i18n \
552 $(HOST_DIR)/usr/bin/localedef \
553 --prefix=$(TARGET_DIR) \
554 --`echo $(BR2_ENDIAN) | tr [A-Z] [a-z]`-endian \
555 -i $${inputfile} -f $${charmap} \
561 @$(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_IMAGE_SCRIPT)), \
562 $(call MESSAGE,"Executing post-image script $(s)"); \
563 $(s) $(BINARIES_DIR)$(sep))
565 toolchain-eclipse-register:
566 ./support/scripts/eclipse-register-toolchain `readlink -f $(O)` $(notdir $(TARGET_CROSS)) $(BR2_ARCH)
568 source: dirs $(TARGETS_SOURCE) $(HOST_SOURCE)
571 @$(MAKE) -Bs DL_MODE=SHOW_EXTERNAL_DEPS $(EXTRAMAKEARGS) source | sort -u
574 @rm -fr $(LEGAL_INFO_DIR)
576 legal-info-prepare: $(LEGAL_INFO_DIR)
577 @$(call MESSAGE,"Collecting legal info")
578 @$(call legal-license-file,buildroot,COPYING,COPYING)
579 @$(call legal-manifest,PACKAGE,VERSION,LICENSE,LICENSE FILES,SOURCE ARCHIVE)
580 @$(call legal-manifest,buildroot,$(BR2_VERSION_FULL),GPLv2+,COPYING,not saved)
581 @$(call legal-warning,the Buildroot source code has not been saved)
582 @$(call legal-warning,the toolchain has not been saved)
583 @cp $(BUILDROOT_CONFIG) $(LEGAL_INFO_DIR)/buildroot.config
585 legal-info: dirs legal-info-clean legal-info-prepare $(REDIST_SOURCES_DIR) \
586 $(TARGETS_LEGAL_INFO)
587 @cat support/legal-info/README.header >>$(LEGAL_REPORT)
588 @if [ -r $(LEGAL_WARNINGS) ]; then \
589 cat support/legal-info/README.warnings-header \
590 $(LEGAL_WARNINGS) >>$(LEGAL_REPORT); \
591 cat $(LEGAL_WARNINGS); fi
592 @echo "Legal info produced in $(LEGAL_INFO_DIR)"
593 @rm -f $(LEGAL_WARNINGS)
598 else # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
602 endif # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
605 # ---------------------------------------------------------------------------
607 HOSTCFLAGS=$(CFLAGS_FOR_BUILD)
610 $(BUILD_DIR)/buildroot-config/%onf:
611 mkdir -p $(@D)/lxdialog
612 $(MAKE) CC="$(HOSTCC_NOCCACHE)" HOSTCC="$(HOSTCC_NOCCACHE)" obj=$(@D) -C $(CONFIG) -f Makefile.br $(@F)
614 DEFCONFIG = $(call qstrip,$(BR2_DEFCONFIG))
616 # We don't want to fully expand BR2_DEFCONFIG here, so Kconfig will
617 # recognize that if it's still at its default $(CONFIG_DIR)/defconfig
618 COMMON_CONFIG_ENV = \
619 BR2_DEFCONFIG='$(call qstrip,$(value BR2_DEFCONFIG))' \
620 KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
621 KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
622 KCONFIG_TRISTATE=$(BUILD_DIR)/buildroot-config/tristate.config \
623 BUILDROOT_CONFIG=$(BUILDROOT_CONFIG)
625 xconfig: $(BUILD_DIR)/buildroot-config/qconf outputmakefile
626 @mkdir -p $(BUILD_DIR)/buildroot-config
627 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
629 gconfig: $(BUILD_DIR)/buildroot-config/gconf outputmakefile
630 @mkdir -p $(BUILD_DIR)/buildroot-config
631 @$(COMMON_CONFIG_ENV) srctree=$(TOPDIR) $< $(CONFIG_CONFIG_IN)
633 menuconfig: $(BUILD_DIR)/buildroot-config/mconf outputmakefile
634 @mkdir -p $(BUILD_DIR)/buildroot-config
635 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
637 nconfig: $(BUILD_DIR)/buildroot-config/nconf outputmakefile
638 @mkdir -p $(BUILD_DIR)/buildroot-config
639 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
641 config: $(BUILD_DIR)/buildroot-config/conf outputmakefile
642 @mkdir -p $(BUILD_DIR)/buildroot-config
643 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
645 oldconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
646 mkdir -p $(BUILD_DIR)/buildroot-config
647 @$(COMMON_CONFIG_ENV) $< --oldconfig $(CONFIG_CONFIG_IN)
649 randconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
650 @mkdir -p $(BUILD_DIR)/buildroot-config
651 @$(COMMON_CONFIG_ENV) $< --randconfig $(CONFIG_CONFIG_IN)
653 allyesconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
654 @mkdir -p $(BUILD_DIR)/buildroot-config
655 @$(COMMON_CONFIG_ENV) $< --allyesconfig $(CONFIG_CONFIG_IN)
657 allnoconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
658 @mkdir -p $(BUILD_DIR)/buildroot-config
659 @$(COMMON_CONFIG_ENV) $< --allnoconfig $(CONFIG_CONFIG_IN)
661 randpackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
662 @mkdir -p $(BUILD_DIR)/buildroot-config
663 @grep -v BR2_PACKAGE_ $(BUILDROOT_CONFIG) > $(CONFIG_DIR)/.config.nopkg
664 @grep '^config BR2_PACKAGE_' Config.in.legacy | \
665 while read config pkg; do \
666 echo "# $$pkg is not set" >> $(CONFIG_DIR)/.config.nopkg; done
667 @$(COMMON_CONFIG_ENV) \
668 KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
669 $< --randconfig $(CONFIG_CONFIG_IN)
670 @rm -f $(CONFIG_DIR)/.config.nopkg
672 allyespackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
673 @mkdir -p $(BUILD_DIR)/buildroot-config
674 @grep -v BR2_PACKAGE_ $(BUILDROOT_CONFIG) > $(CONFIG_DIR)/.config.nopkg
675 @grep '^config BR2_PACKAGE_' Config.in.legacy | \
676 while read config pkg; do \
677 echo "# $$pkg is not set" >> $(CONFIG_DIR)/.config.nopkg; done
678 @$(COMMON_CONFIG_ENV) \
679 KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
680 $< --allyesconfig $(CONFIG_CONFIG_IN)
681 @rm -f $(CONFIG_DIR)/.config.nopkg
683 allnopackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
684 @mkdir -p $(BUILD_DIR)/buildroot-config
685 @grep -v BR2_PACKAGE_ $(BUILDROOT_CONFIG) > $(CONFIG_DIR)/.config.nopkg
686 @$(COMMON_CONFIG_ENV) \
687 KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
688 $< --allnoconfig $(CONFIG_CONFIG_IN)
689 @rm -f $(CONFIG_DIR)/.config.nopkg
691 silentoldconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
692 @mkdir -p $(BUILD_DIR)/buildroot-config
693 $(COMMON_CONFIG_ENV) $< --silentoldconfig $(CONFIG_CONFIG_IN)
695 olddefconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
696 @mkdir -p $(BUILD_DIR)/buildroot-config
697 $(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN)
699 defconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
700 @mkdir -p $(BUILD_DIR)/buildroot-config
701 @$(COMMON_CONFIG_ENV) $< --defconfig$(if $(DEFCONFIG),=$(DEFCONFIG)) $(CONFIG_CONFIG_IN)
703 %_defconfig: $(BUILD_DIR)/buildroot-config/conf $(TOPDIR)/configs/%_defconfig outputmakefile
704 @mkdir -p $(BUILD_DIR)/buildroot-config
705 @$(COMMON_CONFIG_ENV) $< --defconfig=$(TOPDIR)/configs/$@ $(CONFIG_CONFIG_IN)
707 savedefconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
708 @mkdir -p $(BUILD_DIR)/buildroot-config
709 @$(COMMON_CONFIG_ENV) $< \
710 --savedefconfig=$(if $(DEFCONFIG),$(DEFCONFIG),$(CONFIG_DIR)/defconfig) \
713 # check if download URLs are outdated
715 $(MAKE) DL_MODE=SOURCE_CHECK $(EXTRAMAKEARGS) source
717 .PHONY: defconfig savedefconfig
719 #############################################################
721 # Cleanup and misc junk
723 #############################################################
725 # outputmakefile generates a Makefile in the output directory, if using a
726 # separate output directory. This allows convenient use of make in the
729 ifeq ($(NEED_WRAPPER),y)
730 $(Q)$(TOPDIR)/support/scripts/mkmakefile $(TOPDIR) $(O)
734 rm -rf $(STAGING_DIR) $(TARGET_DIR) $(BINARIES_DIR) $(HOST_DIR) \
735 $(STAMP_DIR) $(BUILD_DIR) $(TOOLCHAIN_DIR) $(BASE_DIR)/staging \
739 ifeq ($(DL_DIR),$(TOPDIR)/dl)
745 rm -rf $(BUILDROOT_CONFIG) $(CONFIG_DIR)/.config.old $(CONFIG_DIR)/.auto.deps
749 @echo ' clean - delete all files created by build'
750 @echo ' distclean - delete all non-source files (including .config)'
753 @echo ' all - make world'
754 @echo ' toolchain - build toolchain'
755 @echo ' <package>-rebuild - force recompile <package>'
756 @echo ' <package>-reconfigure - force reconfigure <package>'
758 @echo 'Configuration:'
759 @echo ' menuconfig - interactive curses-based configurator'
760 @echo ' nconfig - interactive ncurses-based configurator'
761 @echo ' xconfig - interactive Qt-based configurator'
762 @echo ' gconfig - interactive GTK-based configurator'
763 @echo ' oldconfig - resolve any unresolved symbols in .config'
764 @echo ' silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
765 @echo ' olddefconfig - Same as silentoldconfig but sets new symbols to their default value'
766 @echo ' randconfig - New config with random answer to all options'
767 @echo ' defconfig - New config with default answer to all options'
768 @echo ' BR2_DEFCONFIG, if set, is used as input'
769 @echo ' savedefconfig - Save current config as ./defconfig (minimal config)'
770 @echo ' allyesconfig - New config where all options are accepted with yes'
771 @echo ' allnoconfig - New config where all options are answered with no'
772 @echo ' randpackageconfig - New config with random answer to package options'
773 @echo ' allyespackageconfig - New config where pkg options are accepted with yes'
774 @echo ' allnopackageconfig - New config where package options are answered with no'
775 ifeq ($(BR2_PACKAGE_BUSYBOX),y)
776 @echo ' busybox-menuconfig - Run BusyBox menuconfig'
778 ifeq ($(BR2_LINUX_KERNEL),y)
779 @echo ' linux-menuconfig - Run Linux kernel menuconfig'
780 @echo ' linux-savedefconfig - Run Linux kernel savedefconfig'
782 ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
783 @echo ' uclibc-menuconfig - Run uClibc menuconfig'
785 ifeq ($(BR2_TOOLCHAIN_CTNG),y)
786 @echo ' ctng-menuconfig - Run crosstool-NG menuconfig'
788 ifeq ($(BR2_TARGET_BAREBOX),y)
789 @echo ' barebox-menuconfig - Run barebox menuconfig'
790 @echo ' barebox-savedefconfig - Run barebox savedefconfig'
793 @echo 'Documentation:'
794 @echo ' manual - build manual in HTML, split HTML, PDF and txt'
795 @echo ' manual-html - build manual in HTML'
796 @echo ' manual-split-html - build manual in split HTML'
797 @echo ' manual-pdf - build manual in PDF'
798 @echo ' manual-txt - build manual in txt'
799 @echo ' manual-epub - build manual in ePub'
801 @echo 'Miscellaneous:'
802 @echo ' source - download all sources needed for offline-build'
803 @echo ' source-check - check selected packages for valid download URLs'
804 @echo ' external-deps - list external packages used'
805 @echo ' legal-info - generate info about license compliance'
807 @echo ' make V=0|1 - 0 => quiet build (default), 1 => verbose build'
808 @echo ' make O=dir - Locate all output files in "dir", including .config'
810 @$(foreach b, $(sort $(notdir $(wildcard $(TOPDIR)/configs/*_defconfig))), \
811 printf " %-35s - Build for %s\\n" $(b) $(b:_defconfig=);)
813 @echo 'See docs/README, or generate the Buildroot manual for further details'
816 release: OUT=buildroot-$(BR2_VERSION)
818 # Create release tarballs. We need to fiddle a bit to add the generated
819 # documentation to the git output
821 git archive --format=tar --prefix=$(OUT)/ master > $(OUT).tar
822 $(MAKE) O=$(OUT) manual-html manual-txt manual-pdf
823 tar rf $(OUT).tar $(OUT)
824 gzip -9 -c < $(OUT).tar > $(OUT).tar.gz
825 bzip2 -9 -c < $(OUT).tar > $(OUT).tar.bz2
826 rm -rf $(OUT) $(OUT).tar
829 @echo $(BR2_VERSION_FULL)
831 include docs/manual/manual.mk
833 .PHONY: $(noconfig_targets)