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:=2013.02
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 $(TOPDIR)/support/scripts/setlocalversion)
58 noconfig_targets:=menuconfig nconfig gconfig xconfig config oldconfig randconfig \
59 %_defconfig allyesconfig allnoconfig silentoldconfig release \
60 randpackageconfig allyespackageconfig allnopackageconfig \
61 source-check print-version
63 # Strip quotes and then whitespaces
64 qstrip=$(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
212 GNU_HOST_NAME:=$(shell support/gnuconfig/config.guess)
214 ##############################################################
216 # The list of stuff to build for the target toolchain
217 # along with the packages to build for the target.
219 ##############################################################
221 ifeq ($(BR2_CCACHE),y)
222 BASE_TARGETS += host-ccache
225 ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
226 BASE_TARGETS += uclibc-configured host-binutils cross_compiler uclibc-target-utils kernel-headers
228 BASE_TARGETS += uclibc
232 # silent mode requested?
233 QUIET:=$(if $(findstring s,$(MAKEFLAGS)),-q)
235 # Strip off the annoying quoting
236 ARCH:=$(call qstrip,$(BR2_ARCH))
238 KERNEL_ARCH:=$(shell echo "$(ARCH)" | sed -e "s/-.*//" \
239 -e s/i.86/i386/ -e s/sun4u/sparc64/ \
240 -e s/arm.*/arm/ -e s/sa110/arm/ \
241 -e s/aarch64/arm64/ \
242 -e s/bfin/blackfin/ \
243 -e s/parisc64/parisc/ \
244 -e s/powerpc64/powerpc/ \
245 -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
248 ZCAT:=$(call qstrip,$(BR2_ZCAT))
249 BZCAT:=$(call qstrip,$(BR2_BZCAT))
250 XZCAT:=$(call qstrip,$(BR2_XZCAT))
251 TAR_OPTIONS=$(call qstrip,$(BR2_TAR_OPTIONS)) -xf
253 # packages compiled for the host go here
254 HOST_DIR:=$(call qstrip,$(BR2_HOST_DIR))
256 # locales to generate
257 GENERATE_LOCALE=$(call qstrip,$(BR2_GENERATE_LOCALE))
259 # stamp (dependency) files go here
260 STAMP_DIR:=$(BASE_DIR)/stamps
262 BINARIES_DIR:=$(BASE_DIR)/images
263 TARGET_DIR:=$(BASE_DIR)/target
264 TOOLCHAIN_DIR=$(BASE_DIR)/toolchain
265 TARGET_SKELETON=$(TOPDIR)/system/skeleton
267 LEGAL_INFO_DIR=$(BASE_DIR)/legal-info
268 REDIST_SOURCES_DIR=$(LEGAL_INFO_DIR)/sources
269 LICENSE_FILES_DIR=$(LEGAL_INFO_DIR)/licenses
270 LEGAL_MANIFEST_CSV=$(LEGAL_INFO_DIR)/manifest.csv
271 LEGAL_LICENSES_TXT=$(LEGAL_INFO_DIR)/licenses.txt
272 LEGAL_WARNINGS=$(LEGAL_INFO_DIR)/.warnings
273 LEGAL_REPORT=$(LEGAL_INFO_DIR)/README
275 # Location of a file giving a big fat warning that output/target
276 # should not be used as the root filesystem.
277 TARGET_DIR_WARNING_FILE=$(TARGET_DIR)/THIS_IS_NOT_YOUR_ROOT_FILESYSTEM
279 ifeq ($(BR2_CCACHE),y)
280 CCACHE:=$(HOST_DIR)/usr/bin/ccache
281 BUILDROOT_CACHE_DIR = $(call qstrip,$(BR2_CCACHE_DIR))
282 export BUILDROOT_CACHE_DIR
283 HOSTCC := $(CCACHE) $(HOSTCC)
284 HOSTCXX := $(CCACHE) $(HOSTCXX)
287 # Scripts in support/ or post-build scripts may need to reference
288 # these locations, so export them so it is easier to use
289 export BUILDROOT_CONFIG
296 #############################################################
298 # You should probably leave this stuff alone unless you know
299 # what you are doing.
301 #############################################################
305 # Include legacy before the other things, because package .mk files
307 ifneq ($(BR2_DEPRECATED),y)
308 include Makefile.legacy
311 include package/Makefile.in
312 include support/dependencies/dependencies.mk
314 # We also need the various per-package makefiles, which also add
315 # each selected package to TARGETS if that package was selected
316 # in the .config file.
317 ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
318 include toolchain/toolchain-buildroot.mk
319 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL),y)
320 include toolchain/toolchain-external.mk
321 else ifeq ($(BR2_TOOLCHAIN_CTNG),y)
322 include toolchain/toolchain-crosstool-ng.mk
325 # Include the package override file if one has been provided in the
327 PACKAGE_OVERRIDE_FILE=$(call qstrip,$(BR2_PACKAGE_OVERRIDE_FILE))
328 ifneq ($(PACKAGE_OVERRIDE_FILE),)
329 -include $(PACKAGE_OVERRIDE_FILE)
332 include package/*/*.mk
334 include boot/common.mk
335 include linux/linux.mk
336 include system/system.mk
338 TARGETS+=target-finalize
340 ifeq ($(BR2_ENABLE_LOCALE_PURGE),y)
341 TARGETS+=target-purgelocales
344 ifneq ($(BR2_TOOLCHAIN_EXTERNAL_GLIBC)$(BR2_TOOLCHAIN_CTNG_eglibc)$(BR2_TOOLCHAIN_CTNG_glibc),)
345 ifneq ($(GENERATE_LOCALE),)
346 TARGETS+=target-generatelocales
350 ifeq ($(BR2_ECLIPSE_REGISTER),y)
351 TARGETS+=toolchain-eclipse-register
356 TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS))
357 TARGETS_SOURCE:=$(patsubst %,%-source,$(TARGETS) $(BASE_TARGETS))
358 TARGETS_DIRCLEAN:=$(patsubst %,%-dirclean,$(TARGETS))
359 TARGETS_ALL:=$(patsubst %,__real_tgt_%,$(TARGETS))
361 # host-* dependencies have to be handled specially, as those aren't
362 # visible in Kconfig and hence not added to a variable like TARGETS.
363 # instead, find all the host-* targets listed in each <PKG>_DEPENDENCIES
364 # variable for each enabled target.
365 # Notice: this only works for newstyle gentargets/autotargets packages
366 TARGETS_HOST_DEPS = $(sort $(filter host-%,$(foreach dep,\
367 $(addsuffix _DEPENDENCIES,$(call UPPERCASE,$(TARGETS))),\
369 # Host packages can in turn have their own dependencies. Likewise find
370 # all the package names listed in the HOST_<PKG>_DEPENDENCIES for each
371 # host package found above. Ideally this should be done recursively until
372 # no more packages are found, but that's hard to do in make, so limit to
374 HOST_DEPS = $(sort $(foreach dep,\
375 $(addsuffix _DEPENDENCIES,$(call UPPERCASE,$(TARGETS_HOST_DEPS))),\
377 HOST_SOURCE += $(addsuffix -source,$(sort $(TARGETS_HOST_DEPS) $(HOST_DEPS)))
379 TARGETS_LEGAL_INFO:=$(patsubst %,%-legal-info,\
380 $(TARGETS) $(BASE_TARGETS) $(TARGETS_HOST_DEPS) $(HOST_DEPS))))
382 # all targets depend on the crosscompiler and it's prerequisites
383 $(TARGETS_ALL): __real_tgt_%: $(BASE_TARGETS) %
385 dirs: $(TOOLCHAIN_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
386 $(HOST_DIR) $(BINARIES_DIR) $(STAMP_DIR)
388 $(BASE_TARGETS): dirs $(HOST_DIR)/usr/share/buildroot/toolchainfile.cmake
390 $(BUILD_DIR)/buildroot-config/auto.conf: $(BUILDROOT_CONFIG)
391 $(MAKE) $(EXTRAMAKEARGS) HOSTCC="$(HOSTCC_NOCCACHE)" HOSTCXX="$(HOSTCXX_NOCCACHE)" silentoldconfig
393 prepare: $(BUILD_DIR)/buildroot-config/auto.conf
395 toolchain: prepare dirs dependencies $(BASE_TARGETS)
397 world: toolchain $(TARGETS_ALL)
399 .PHONY: all world toolchain dirs clean distclean source outputmakefile \
400 legal-info legal-info-prepare legal-info-clean \
401 $(BASE_TARGETS) $(TARGETS) $(TARGETS_ALL) \
402 $(TARGETS_CLEAN) $(TARGETS_DIRCLEAN) $(TARGETS_SOURCE) $(TARGETS_LEGAL_INFO) \
403 $(TOOLCHAIN_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
404 $(HOST_DIR) $(BINARIES_DIR) $(STAMP_DIR)
406 #############################################################
408 # staging and target directories do NOT list these as
409 # dependencies anywhere else
411 #############################################################
412 $(TOOLCHAIN_DIR) $(BUILD_DIR) $(HOST_DIR) $(BINARIES_DIR) $(STAMP_DIR) $(LEGAL_INFO_DIR) $(REDIST_SOURCES_DIR):
416 @mkdir -p $(STAGING_DIR)/bin
417 @mkdir -p $(STAGING_DIR)/lib
418 @mkdir -p $(STAGING_DIR)/usr/lib
419 @mkdir -p $(STAGING_DIR)/usr/include
420 @mkdir -p $(STAGING_DIR)/usr/bin
421 @ln -snf $(STAGING_DIR) $(BASE_DIR)/staging
423 ifeq ($(BR2_ROOTFS_SKELETON_CUSTOM),y)
424 TARGET_SKELETON=$(BR2_ROOTFS_SKELETON_CUSTOM_PATH)
428 mkdir -p $(TARGET_DIR)
429 if ! [ -d "$(TARGET_DIR)/bin" ]; then \
430 if [ -d "$(TARGET_SKELETON)" ]; then \
431 cp -fa $(TARGET_SKELETON)/* $(TARGET_DIR)/; \
434 cp support/misc/target-dir-warning.txt $(TARGET_DIR_WARNING_FILE)
435 -find $(TARGET_DIR) -type d -name CVS -print0 -o -name .svn -print0 | xargs -0 rm -rf
436 -find $(TARGET_DIR) -type f \( -name .empty -o -name '*~' \) -print0 | xargs -0 rm -rf
439 $(TARGET_DIR): $(BUILD_DIR)/.root
441 STRIP_FIND_CMD = find $(TARGET_DIR)
442 ifneq (,$(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS)))
443 STRIP_FIND_CMD += \( $(call finddirclauses,$(TARGET_DIR),$(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS))) \) -prune -o
445 STRIP_FIND_CMD += -type f -perm +111
446 STRIP_FIND_CMD += -not \( $(call findfileclauses,libpthread*.so* $(call qstrip,$(BR2_STRIP_EXCLUDE_FILES))) \) -print
449 ifeq ($(BR2_HAVE_DEVFILES),y)
450 ( support/scripts/copy.sh $(STAGING_DIR) $(TARGET_DIR) )
452 rm -rf $(TARGET_DIR)/usr/include $(TARGET_DIR)/usr/share/aclocal \
453 $(TARGET_DIR)/usr/lib/pkgconfig $(TARGET_DIR)/usr/share/pkgconfig
454 find $(TARGET_DIR)/lib \( -name '*.a' -o -name '*.la' \) -print0 | xargs -0 rm -f
455 find $(TARGET_DIR)/usr/lib \( -name '*.a' -o -name '*.la' \) -print0 | xargs -0 rm -f
457 ifneq ($(BR2_PACKAGE_GDB),y)
458 rm -rf $(TARGET_DIR)/usr/share/gdb
460 ifneq ($(BR2_HAVE_DOCUMENTATION),y)
461 rm -rf $(TARGET_DIR)/usr/man $(TARGET_DIR)/usr/share/man
462 rm -rf $(TARGET_DIR)/usr/info $(TARGET_DIR)/usr/share/info
463 rm -rf $(TARGET_DIR)/usr/doc $(TARGET_DIR)/usr/share/doc
464 rm -rf $(TARGET_DIR)/usr/share/gtk-doc
465 -rmdir $(TARGET_DIR)/usr/share 2>/dev/null
467 ifeq ($(BR2_PACKAGE_PYTHON_PY_ONLY),y)
468 find $(TARGET_DIR)/usr/lib/ -name '*.pyc' -print0 | xargs -0 rm -f
470 ifeq ($(BR2_PACKAGE_PYTHON_PYC_ONLY),y)
471 find $(TARGET_DIR)/usr/lib/ -name '*.py' -print0 | xargs -0 rm -f
473 $(STRIP_FIND_CMD) | xargs $(STRIPCMD) 2>/dev/null || true
474 find $(TARGET_DIR)/lib/modules -type f -name '*.ko' | \
475 xargs -r $(KSTRIPCMD) || true
477 # See http://sourceware.org/gdb/wiki/FAQ, "GDB does not see any threads
478 # besides the one in which crash occurred; or SIGTRAP kills my program when
479 # I set a breakpoint"
480 ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
481 find $(TARGET_DIR)/lib -type f -name 'libpthread*.so*' | \
482 xargs $(STRIPCMD) $(STRIP_STRIP_DEBUG) || true
485 mkdir -p $(TARGET_DIR)/etc
486 # Mandatory configuration file and auxilliary cache directory
487 # for recent versions of ldconfig
488 touch $(TARGET_DIR)/etc/ld.so.conf
489 mkdir -p $(TARGET_DIR)/var/cache/ldconfig
490 if [ -x "$(TARGET_CROSS)ldconfig" ]; \
492 $(TARGET_CROSS)ldconfig -r $(TARGET_DIR); \
494 /sbin/ldconfig -r $(TARGET_DIR); \
497 echo "NAME=Buildroot"; \
498 echo "VERSION=$(BR2_VERSION_FULL)"; \
499 echo "ID=buildroot"; \
500 echo "VERSION_ID=$(BR2_VERSION)"; \
501 echo "PRETTY_NAME=\"Buildroot $(BR2_VERSION)\"" \
502 ) > $(TARGET_DIR)/etc/os-release
504 @for dir in $(call qstrip,$(BR2_ROOTFS_OVERLAY)); do \
505 $(call MESSAGE,"Copying overlay $${dir}"); \
507 --exclude .svn --exclude .git --exclude .hg --exclude '*~' \
508 $${dir}/ $(TARGET_DIR); \
511 ifneq ($(BR2_ROOTFS_POST_BUILD_SCRIPT),"")
512 @$(call MESSAGE,"Executing post-build script\(s\)")
513 @$(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_BUILD_SCRIPT)), \
514 $(s) $(TARGET_DIR)$(sep))
517 ifeq ($(BR2_ENABLE_LOCALE_PURGE),y)
518 LOCALE_WHITELIST=$(BUILD_DIR)/locales.nopurge
519 LOCALE_NOPURGE=$(call qstrip,$(BR2_ENABLE_LOCALE_WHITELIST))
522 rm -f $(LOCALE_WHITELIST)
523 for i in $(LOCALE_NOPURGE); do echo $$i >> $(LOCALE_WHITELIST); done
525 for dir in $(wildcard $(addprefix $(TARGET_DIR),/usr/share/locale /usr/share/X11/locale /usr/man /usr/share/man)); \
527 for lang in $$(cd $$dir; ls .|grep -v man); \
529 grep -qx $$lang $(LOCALE_WHITELIST) || rm -rf $$dir/$$lang; \
534 ifneq ($(GENERATE_LOCALE),)
535 # Generate locale data. Basically, we call the localedef program
536 # (built by the host-localedef package) for each locale. The input
537 # data comes preferably from the toolchain, or if the toolchain does
538 # not have them (Linaro toolchains), we use the ones available on the
540 target-generatelocales: host-localedef
541 $(Q)mkdir -p $(TARGET_DIR)/usr/lib/locale/
542 $(Q)for locale in $(GENERATE_LOCALE) ; do \
543 inputfile=`echo $${locale} | cut -f1 -d'.'` ; \
544 charmap=`echo $${locale} | cut -f2 -d'.'` ; \
545 if test -z "$${charmap}" ; then \
548 echo "Generating locale $${inputfile}.$${charmap}" ; \
549 I18NPATH=$(STAGING_DIR)/usr/share/i18n:/usr/share/i18n \
550 $(HOST_DIR)/usr/bin/localedef \
551 --prefix=$(TARGET_DIR) \
552 --`echo $(BR2_ENDIAN) | tr [A-Z] [a-z]`-endian \
553 -i $${inputfile} -f $${charmap} \
558 toolchain-eclipse-register:
559 ./support/scripts/eclipse-register-toolchain `readlink -f $(O)` $(notdir $(TARGET_CROSS)) $(BR2_ARCH)
561 source: dirs $(TARGETS_SOURCE) $(HOST_SOURCE)
564 @$(MAKE) -Bs DL_MODE=SHOW_EXTERNAL_DEPS $(EXTRAMAKEARGS) source | sort -u
567 @rm -fr $(LEGAL_INFO_DIR)
569 legal-info-prepare: $(LEGAL_INFO_DIR)
570 @$(call MESSAGE,"Collecting legal info")
571 @$(call legal-license-file,buildroot,COPYING,COPYING)
572 @$(call legal-manifest,PACKAGE,VERSION,LICENSE,LICENSE FILES,SOURCE ARCHIVE)
573 @$(call legal-manifest,buildroot,$(BR2_VERSION_FULL),GPLv2+,COPYING,not saved)
574 @$(call legal-warning,the Buildroot source code has not been saved)
575 @$(call legal-warning,the toolchain has not been saved)
576 @cp $(BUILDROOT_CONFIG) $(LEGAL_INFO_DIR)/buildroot.config
578 legal-info: dirs legal-info-clean legal-info-prepare $(REDIST_SOURCES_DIR) \
579 $(TARGETS_LEGAL_INFO)
580 @cat support/legal-info/README.header >>$(LEGAL_REPORT)
581 @if [ -r $(LEGAL_WARNINGS) ]; then \
582 cat support/legal-info/README.warnings-header \
583 $(LEGAL_WARNINGS) >>$(LEGAL_REPORT); \
584 cat $(LEGAL_WARNINGS); fi
585 @echo "Legal info produced in $(LEGAL_INFO_DIR)"
586 @rm -f $(LEGAL_WARNINGS)
591 else # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
595 endif # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
598 # ---------------------------------------------------------------------------
600 HOSTCFLAGS=$(CFLAGS_FOR_BUILD)
603 $(BUILD_DIR)/buildroot-config/%onf:
604 mkdir -p $(@D)/lxdialog
605 $(MAKE) CC="$(HOSTCC_NOCCACHE)" HOSTCC="$(HOSTCC_NOCCACHE)" obj=$(@D) -C $(CONFIG) -f Makefile.br $(@F)
607 DEFCONFIG = $(call qstrip,$(BR2_DEFCONFIG))
609 # We don't want to fully expand BR2_DEFCONFIG here, so Kconfig will
610 # recognize that if it's still at its default $(CONFIG_DIR)/defconfig
611 COMMON_CONFIG_ENV = \
612 BR2_DEFCONFIG='$(call qstrip,$(value BR2_DEFCONFIG))' \
613 KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
614 KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
615 KCONFIG_TRISTATE=$(BUILD_DIR)/buildroot-config/tristate.config \
616 BUILDROOT_CONFIG=$(BUILDROOT_CONFIG)
618 xconfig: $(BUILD_DIR)/buildroot-config/qconf outputmakefile
619 @mkdir -p $(BUILD_DIR)/buildroot-config
620 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
622 gconfig: $(BUILD_DIR)/buildroot-config/gconf outputmakefile
623 @mkdir -p $(BUILD_DIR)/buildroot-config
624 @$(COMMON_CONFIG_ENV) srctree=$(TOPDIR) $< $(CONFIG_CONFIG_IN)
626 menuconfig: $(BUILD_DIR)/buildroot-config/mconf outputmakefile
627 @mkdir -p $(BUILD_DIR)/buildroot-config
628 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
630 nconfig: $(BUILD_DIR)/buildroot-config/nconf outputmakefile
631 @mkdir -p $(BUILD_DIR)/buildroot-config
632 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
634 config: $(BUILD_DIR)/buildroot-config/conf outputmakefile
635 @mkdir -p $(BUILD_DIR)/buildroot-config
636 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
638 oldconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
639 mkdir -p $(BUILD_DIR)/buildroot-config
640 @$(COMMON_CONFIG_ENV) $< --oldconfig $(CONFIG_CONFIG_IN)
642 randconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
643 @mkdir -p $(BUILD_DIR)/buildroot-config
644 @$(COMMON_CONFIG_ENV) $< --randconfig $(CONFIG_CONFIG_IN)
646 allyesconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
647 @mkdir -p $(BUILD_DIR)/buildroot-config
648 @$(COMMON_CONFIG_ENV) $< --allyesconfig $(CONFIG_CONFIG_IN)
650 allnoconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
651 @mkdir -p $(BUILD_DIR)/buildroot-config
652 @$(COMMON_CONFIG_ENV) $< --allnoconfig $(CONFIG_CONFIG_IN)
654 randpackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
655 @mkdir -p $(BUILD_DIR)/buildroot-config
656 @grep -v BR2_PACKAGE_ $(BUILDROOT_CONFIG) > $(CONFIG_DIR)/.config.nopkg
657 @grep '^config BR2_PACKAGE_' Config.in.legacy | \
658 while read config pkg; do \
659 echo "# $$pkg is not set" >> $(CONFIG_DIR)/.config.nopkg; done
660 @$(COMMON_CONFIG_ENV) \
661 KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
662 $< --randconfig $(CONFIG_CONFIG_IN)
663 @rm -f $(CONFIG_DIR)/.config.nopkg
665 allyespackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
666 @mkdir -p $(BUILD_DIR)/buildroot-config
667 @grep -v BR2_PACKAGE_ $(BUILDROOT_CONFIG) > $(CONFIG_DIR)/.config.nopkg
668 @grep '^config BR2_PACKAGE_' Config.in.legacy | \
669 while read config pkg; do \
670 echo "# $$pkg is not set" >> $(CONFIG_DIR)/.config.nopkg; done
671 @$(COMMON_CONFIG_ENV) \
672 KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
673 $< --allyesconfig $(CONFIG_CONFIG_IN)
674 @rm -f $(CONFIG_DIR)/.config.nopkg
676 allnopackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
677 @mkdir -p $(BUILD_DIR)/buildroot-config
678 @grep -v BR2_PACKAGE_ $(BUILDROOT_CONFIG) > $(CONFIG_DIR)/.config.nopkg
679 @$(COMMON_CONFIG_ENV) \
680 KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
681 $< --allnoconfig $(CONFIG_CONFIG_IN)
682 @rm -f $(CONFIG_DIR)/.config.nopkg
684 silentoldconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
685 @mkdir -p $(BUILD_DIR)/buildroot-config
686 $(COMMON_CONFIG_ENV) $< --silentoldconfig $(CONFIG_CONFIG_IN)
688 defconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
689 @mkdir -p $(BUILD_DIR)/buildroot-config
690 @$(COMMON_CONFIG_ENV) $< --defconfig$(if $(DEFCONFIG),=$(DEFCONFIG)) $(CONFIG_CONFIG_IN)
692 %_defconfig: $(BUILD_DIR)/buildroot-config/conf $(TOPDIR)/configs/%_defconfig outputmakefile
693 @mkdir -p $(BUILD_DIR)/buildroot-config
694 @$(COMMON_CONFIG_ENV) $< --defconfig=$(TOPDIR)/configs/$@ $(CONFIG_CONFIG_IN)
696 savedefconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
697 @mkdir -p $(BUILD_DIR)/buildroot-config
698 @$(COMMON_CONFIG_ENV) $< \
699 --savedefconfig=$(if $(DEFCONFIG),$(DEFCONFIG),$(CONFIG_DIR)/defconfig) \
702 # check if download URLs are outdated
704 $(MAKE) DL_MODE=SOURCE_CHECK $(EXTRAMAKEARGS) source
706 .PHONY: defconfig savedefconfig
708 #############################################################
710 # Cleanup and misc junk
712 #############################################################
714 # outputmakefile generates a Makefile in the output directory, if using a
715 # separate output directory. This allows convenient use of make in the
718 ifeq ($(NEED_WRAPPER),y)
719 $(Q)$(TOPDIR)/support/scripts/mkmakefile $(TOPDIR) $(O)
723 rm -rf $(STAGING_DIR) $(TARGET_DIR) $(BINARIES_DIR) $(HOST_DIR) \
724 $(STAMP_DIR) $(BUILD_DIR) $(TOOLCHAIN_DIR) $(BASE_DIR)/staging \
728 ifeq ($(DL_DIR),$(TOPDIR)/dl)
734 rm -rf $(BUILDROOT_CONFIG) $(CONFIG_DIR)/.config.old $(CONFIG_DIR)/.auto.deps
738 @echo ' clean - delete all files created by build'
739 @echo ' distclean - delete all non-source files (including .config)'
742 @echo ' all - make world'
743 @echo ' toolchain - build toolchain'
744 @echo ' <package>-rebuild - force recompile <package>'
745 @echo ' <package>-reconfigure - force reconfigure <package>'
747 @echo 'Configuration:'
748 @echo ' menuconfig - interactive curses-based configurator'
749 @echo ' nconfig - interactive ncurses-based configurator'
750 @echo ' xconfig - interactive Qt-based configurator'
751 @echo ' gconfig - interactive GTK-based configurator'
752 @echo ' oldconfig - resolve any unresolved symbols in .config'
753 @echo ' randconfig - New config with random answer to all options'
754 @echo ' defconfig - New config with default answer to all options'
755 @echo ' BR2_DEFCONFIG, if set, is used as input'
756 @echo ' savedefconfig - Save current config as ./defconfig (minimal config)'
757 @echo ' allyesconfig - New config where all options are accepted with yes'
758 @echo ' allnoconfig - New config where all options are answered with no'
759 @echo ' randpackageconfig - New config with random answer to package options'
760 @echo ' allyespackageconfig - New config where pkg options are accepted with yes'
761 @echo ' allnopackageconfig - New config where package options are answered with no'
762 ifeq ($(BR2_PACKAGE_BUSYBOX),y)
763 @echo ' busybox-menuconfig - Run BusyBox menuconfig'
765 ifeq ($(BR2_LINUX_KERNEL),y)
766 @echo ' linux-menuconfig - Run Linux kernel menuconfig'
767 @echo ' linux-savedefconfig - Run Linux kernel savedefconfig'
769 ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
770 @echo ' uclibc-menuconfig - Run uClibc menuconfig'
772 ifeq ($(BR2_TOOLCHAIN_CTNG),y)
773 @echo ' ctng-menuconfig - Run crosstool-NG menuconfig'
775 ifeq ($(BR2_TARGET_BAREBOX),y)
776 @echo ' barebox-menuconfig - Run barebox menuconfig'
777 @echo ' barebox-savedefconfig - Run barebox savedefconfig'
780 @echo 'Documentation:'
781 @echo ' manual - build manual in HTML, split HTML, PDF and txt'
782 @echo ' manual-html - build manual in HTML'
783 @echo ' manual-split-html - build manual in split HTML'
784 @echo ' manual-pdf - build manual in PDF'
785 @echo ' manual-txt - build manual in txt'
786 @echo ' manual-epub - build manual in ePub'
788 @echo 'Miscellaneous:'
789 @echo ' source - download all sources needed for offline-build'
790 @echo ' source-check - check selected packages for valid download URLs'
791 @echo ' external-deps - list external packages used'
792 @echo ' legal-info - generate info about license compliance'
794 @echo ' make V=0|1 - 0 => quiet build (default), 1 => verbose build'
795 @echo ' make O=dir - Locate all output files in "dir", including .config'
797 @$(foreach b, $(sort $(notdir $(wildcard $(TOPDIR)/configs/*_defconfig))), \
798 printf " %-35s - Build for %s\\n" $(b) $(b:_defconfig=);)
800 @echo 'See docs/README, or generate the Buildroot manual for further details'
803 release: OUT=buildroot-$(BR2_VERSION)
805 # Create release tarballs. We need to fiddle a bit to add the generated
806 # documentation to the git output
808 git archive --format=tar --prefix=$(OUT)/ master > $(OUT).tar
809 $(MAKE) O=$(OUT) manual-html manual-txt manual-pdf
810 tar rf $(OUT).tar $(OUT)
811 gzip -9 -c < $(OUT).tar > $(OUT).tar.gz
812 bzip2 -9 -c < $(OUT).tar > $(OUT).tar.bz2
813 rm -rf $(OUT) $(OUT).tar
816 @echo $(BR2_VERSION_FULL)
818 include docs/manual/manual.mk
820 .PHONY: $(noconfig_targets)