1 # Makefile for buildroot
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 # General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, write to the Free Software
19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #--------------------------------------------------------------
23 # Just run 'make menuconfig', configure stuff, then run 'make'.
24 # You shouldn't need to mess with anything beyond this point...
25 #--------------------------------------------------------------
27 # Delete default rules. We don't use them. This saves a bit of time.
30 # we want bash as shell
31 SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
32 else if [ -x /bin/bash ]; then echo /bin/bash; \
35 # Set O variable if not already done on the command line;
36 # or avoid confusing packages that can use the O=<dir> syntax for out-of-tree
37 # build by preventing it from being forwarded to sub-make calls.
38 ifneq ("$(origin O)", "command line")
42 # Check if the current Buildroot execution meets all the pre-requisites.
43 # If they are not met, Buildroot will actually do its job in a sub-make meeting
44 # its pre-requisites, which are:
45 # 1- Permissive enough umask:
46 # Wrong or too restrictive umask will prevent Buildroot and packages from
47 # creating files and directories.
48 # 2- Absolute canonical CWD (i.e. $(CURDIR)):
49 # Otherwise, some packages will use CWD as-is, others will compute its
50 # absolute canonical path. This makes harder tracking and fixing host
52 # 3- Absolute canonical output location (i.e. $(O)):
53 # For the same reason as the one for CWD.
55 # Remove the trailing '/.' from $(O) as it can be added by the makefile wrapper
56 # installed in the $(O) directory.
57 # Also remove the trailing '/' the user can set when on the command line.
58 override O := $(patsubst %/,%,$(patsubst %.,%,$(O)))
59 # Make sure $(O) actually exists before calling realpath on it; this is to
60 # avoid empty CANONICAL_O in case on non-existing entry.
61 CANONICAL_O := $(shell mkdir -p $(O) >/dev/null 2>&1)$(realpath $(O))
63 # gcc fails to build when the srcdir contains a '@'
64 ifneq ($(findstring @,$(CANONICAL_O)),)
65 $(error The build directory can not contain a '@')
68 CANONICAL_CURDIR = $(realpath $(CURDIR))
72 # Make sure O= is passed (with its absolute canonical path) everywhere the
73 # toplevel makefile is called back.
74 EXTRAMAKEARGS := O=$(CANONICAL_O)
76 # Check Buildroot execution pre-requisites here.
77 ifneq ($(shell umask):$(CURDIR):$(O),$(REQ_UMASK):$(CANONICAL_CURDIR):$(CANONICAL_O))
78 .PHONY: _all $(MAKECMDGOALS)
84 @umask $(REQ_UMASK) && \
85 $(MAKE) -C $(CANONICAL_CURDIR) --no-print-directory \
86 $(MAKECMDGOALS) $(EXTRAMAKEARGS)
88 else # umask / $(CURDIR) / $(O)
90 # This is our default rule, so must come first
94 # Set and export the version string
95 export BR2_VERSION := 2019.02-git
96 # Actual time the release is cut (for reproducible builds)
97 BR2_VERSION_EPOCH = 1543701000
99 # Save running make version since it's clobbered by the make package
100 RUNNING_MAKE_VERSION := $(MAKE_VERSION)
102 # Check for minimal make version (note: this check will break at make 10.x)
103 MIN_MAKE_VERSION = 3.81
104 ifneq ($(firstword $(sort $(RUNNING_MAKE_VERSION) $(MIN_MAKE_VERSION))),$(MIN_MAKE_VERSION))
105 $(error You have make '$(RUNNING_MAKE_VERSION)' installed. GNU make >= $(MIN_MAKE_VERSION) is required)
110 CONFIG_CONFIG_IN = Config.in
111 CONFIG = support/kconfig
112 DATE := $(shell date +%Y%m%d)
114 # Compute the full local version string so packages can use it as-is
115 # Need to export it, so it can be got from environment in children (eg. mconf)
116 export BR2_VERSION_FULL := $(BR2_VERSION)$(shell $(TOPDIR)/support/scripts/setlocalversion)
118 # List of targets and target patterns for which .config doesn't need to be read in
119 noconfig_targets := menuconfig nconfig gconfig xconfig config oldconfig randconfig \
120 defconfig %_defconfig allyesconfig allnoconfig alldefconfig syncconfig release \
121 randpackageconfig allyespackageconfig allnopackageconfig \
122 print-version olddefconfig distclean manual manual-% check-package
124 # Some global targets do not trigger a build, but are used to collect
125 # metadata, or do various checks. When such targets are triggered,
126 # some packages should not do their configuration sanity
127 # checks. Provide them a BR_BUILDING variable set to 'y' when we're
128 # actually building and they should do their sanity checks.
130 # We're building in two situations: when MAKECMDGOALS is empty
131 # (default target is to build), or when MAKECMDGOALS contains
132 # something else than one of the nobuild_targets.
133 nobuild_targets := source %-source \
134 legal-info %-legal-info external-deps _external-deps \
135 clean distclean help show-targets graph-depends \
136 %-graph-depends %-show-depends %-show-version \
137 graph-build graph-size list-defconfigs \
138 savedefconfig printvars
139 ifeq ($(MAKECMDGOALS),)
141 else ifneq ($(filter-out $(nobuild_targets),$(MAKECMDGOALS)),)
145 # We call make recursively to build packages. The command-line overrides that
146 # are passed to Buildroot don't apply to those package build systems. In
147 # particular, we don't want to pass down the O=<dir> option for out-of-tree
148 # builds, because the value specified on the command line will not be correct
152 # Include some helper macros and variables
153 include support/misc/utils.mk
155 # Set variables related to in-tree or out-of-tree build.
156 # Here, both $(O) and $(CURDIR) are absolute canonical paths.
157 ifeq ($(O),$(CURDIR)/output)
158 CONFIG_DIR := $(CURDIR)
165 # bash prints the name of the directory on 'cd <dir>' if CDPATH is
166 # set, so unset it here to not cause problems. Notice that the export
167 # line doesn't affect the environment of $(shell ..) calls.
170 BASE_DIR := $(CANONICAL_O)
171 $(if $(BASE_DIR),, $(error output directory "$(O)" does not exist))
174 # Handling of BR2_EXTERNAL.
176 # The value of BR2_EXTERNAL is stored in .br-external in the output directory.
177 # The location of the external.mk makefile fragments is computed in that file.
178 # On subsequent invocations of make, this file is read in. BR2_EXTERNAL can
179 # still be overridden on the command line, therefore the file is re-created
180 # every time make is run.
182 BR2_EXTERNAL_FILE = $(BASE_DIR)/.br-external.mk
183 -include $(BR2_EXTERNAL_FILE)
184 $(shell support/scripts/br2-external \
185 -m -o '$(BR2_EXTERNAL_FILE)' $(BR2_EXTERNAL))
187 include $(BR2_EXTERNAL_FILE)
188 ifneq ($(BR2_EXTERNAL_ERROR),)
189 $(error $(BR2_EXTERNAL_ERROR))
192 # To make sure that the environment variable overrides the .config option,
193 # set this before including .config.
194 ifneq ($(BR2_DL_DIR),)
195 DL_DIR := $(BR2_DL_DIR)
197 ifneq ($(BR2_CCACHE_DIR),)
198 BR_CACHE_DIR := $(BR2_CCACHE_DIR)
201 # Need that early, before we scan packages
202 # Avoids doing the $(or...) everytime
203 BR_GRAPH_OUT := $(or $(BR2_GRAPH_OUT),pdf)
205 BUILD_DIR := $(BASE_DIR)/build
206 BINARIES_DIR := $(BASE_DIR)/images
207 # The target directory is common to all packages,
208 # but there is one that is specific to each filesystem.
209 BASE_TARGET_DIR := $(BASE_DIR)/target
210 TARGET_DIR = $(if $(ROOTFS),$(ROOTFS_$(ROOTFS)_TARGET_DIR),$(BASE_TARGET_DIR))
211 # initial definition so that 'make clean' works for most users, even without
212 # .config. HOST_DIR will be overwritten later when .config is included.
213 HOST_DIR := $(BASE_DIR)/host
214 GRAPHS_DIR := $(BASE_DIR)/graphs
216 LEGAL_INFO_DIR = $(BASE_DIR)/legal-info
217 REDIST_SOURCES_DIR_TARGET = $(LEGAL_INFO_DIR)/sources
218 REDIST_SOURCES_DIR_HOST = $(LEGAL_INFO_DIR)/host-sources
219 LICENSE_FILES_DIR_TARGET = $(LEGAL_INFO_DIR)/licenses
220 LICENSE_FILES_DIR_HOST = $(LEGAL_INFO_DIR)/host-licenses
221 LEGAL_MANIFEST_CSV_TARGET = $(LEGAL_INFO_DIR)/manifest.csv
222 LEGAL_MANIFEST_CSV_HOST = $(LEGAL_INFO_DIR)/host-manifest.csv
223 LEGAL_WARNINGS = $(LEGAL_INFO_DIR)/.warnings
224 LEGAL_REPORT = $(LEGAL_INFO_DIR)/README
226 BR2_CONFIG = $(CONFIG_DIR)/.config
228 # Pull in the user's configuration file
229 ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
230 -include $(BR2_CONFIG)
233 # Parallel execution of this Makefile is disabled because it changes
234 # the packages building order, that can be a problem for two reasons:
235 # - If a package has an unspecified optional dependency and that
236 # dependency is present when the package is built, it is used,
237 # otherwise it isn't (but compilation happily proceeds) so the end
238 # result will differ if the order is swapped due to parallel
240 # - Also changing the building order can be a problem if two packages
241 # manipulate the same file in the target directory.
243 # Taking into account the above considerations, if you still want to execute
244 # this top-level Makefile in parallel comment the ".NOTPARALLEL" line and
245 # use the -j<jobs> option when building, e.g:
246 # make -j$((`getconf _NPROCESSORS_ONLN`+1))
249 # timezone and locale may affect build output
250 ifeq ($(BR2_REPRODUCIBLE),y)
257 # To put more focus on warnings, be less verbose as default
258 # Use 'make V=1' to see the full commands
259 ifeq ("$(origin V)", "command line")
260 KBUILD_VERBOSE = $(V)
262 ifndef KBUILD_VERBOSE
266 ifeq ($(KBUILD_VERBOSE),1)
276 # kconfig uses CONFIG_SHELL
277 CONFIG_SHELL := $(SHELL)
279 export SHELL CONFIG_SHELL Q KBUILD_VERBOSE
289 HOSTCC := $(shell which $(HOSTCC) || type -p $(HOSTCC) || echo gcc)
291 HOSTCC_NOCCACHE := $(HOSTCC)
294 HOSTCXX := $(shell which $(HOSTCXX) || type -p $(HOSTCXX) || echo g++)
296 HOSTCXX_NOCCACHE := $(HOSTCXX)
310 HOSTOBJCOPY := objcopy
315 HOSTAR := $(shell which $(HOSTAR) || type -p $(HOSTAR) || echo ar)
316 HOSTAS := $(shell which $(HOSTAS) || type -p $(HOSTAS) || echo as)
317 HOSTCPP := $(shell which $(HOSTCPP) || type -p $(HOSTCPP) || echo cpp)
318 HOSTLD := $(shell which $(HOSTLD) || type -p $(HOSTLD) || echo ld)
319 HOSTLN := $(shell which $(HOSTLN) || type -p $(HOSTLN) || echo ln)
320 HOSTNM := $(shell which $(HOSTNM) || type -p $(HOSTNM) || echo nm)
321 HOSTOBJCOPY := $(shell which $(HOSTOBJCOPY) || type -p $(HOSTOBJCOPY) || echo objcopy)
322 HOSTRANLIB := $(shell which $(HOSTRANLIB) || type -p $(HOSTRANLIB) || echo ranlib)
323 SED := $(shell which sed || type -p sed) -i -e
325 export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTLD
326 export HOSTCC_NOCCACHE HOSTCXX_NOCCACHE
328 # Determine the userland we are running on.
330 # Note that, despite its name, we are not interested in the actual
331 # architecture name. This is mostly used to determine whether some
332 # of the binary tools (e.g. pre-built external toolchains) can run
333 # on the current host. So we need to know if the userland we're
334 # running on can actually run those toolchains.
336 # For example, a 64-bit prebuilt toolchain will not run on a 64-bit
337 # kernel if the userland is 32-bit (e.g. in a chroot for example).
339 # So, we extract the first part of the tuple the host gcc was
340 # configured to generate code for; we assume this is our userland.
342 export HOSTARCH := $(shell LC_ALL=C $(HOSTCC_NOCCACHE) -v 2>&1 | \
343 sed -e '/^Target: \([^-]*\).*/!d' \
346 -e 's/sun4u/sparc64/' \
349 -e 's/ppc64/powerpc64/' \
350 -e 's/ppc/powerpc/' \
351 -e 's/macppc/powerpc/' \
354 # When adding a new host gcc version in Config.in,
355 # update the HOSTCC_MAX_VERSION variable:
356 HOSTCC_MAX_VERSION := 8
358 HOSTCC_VERSION := $(shell V=$$($(HOSTCC_NOCCACHE) --version | \
359 sed -n -r 's/^.* ([0-9]*)\.([0-9]*)\.([0-9]*)[ ]*.*/\1 \2/p'); \
360 [ "$${V%% *}" -le $(HOSTCC_MAX_VERSION) ] || V=$(HOSTCC_MAX_VERSION); \
363 # For gcc >= 5.x, we only need the major version.
364 ifneq ($(firstword $(HOSTCC_VERSION)),4)
365 HOSTCC_VERSION := $(firstword $(HOSTCC_VERSION))
368 ifeq ($(BR2_NEEDS_HOST_UTF8_LOCALE),y)
369 # First, we try to use the user's configured locale (as that's the
370 # language they'd expect messages to be displayed), then we favour
371 # a non language-specific locale like C.UTF-8 if one is available,
372 # so we sort with the C locale to get it at the top.
373 # This is guaranteed to not be empty, because of the check in
374 # support/dependencies/dependencies.sh
375 HOST_UTF8_LOCALE := $(shell \
376 ( echo $${LC_ALL:-$${LC_MESSAGES:-$${LANG}}}; \
377 locale -a 2>/dev/null | LC_ALL=C sort \
379 | grep -i -E 'utf-?8$$' \
381 HOST_UTF8_LOCALE_ENV := LC_ALL=$(HOST_UTF8_LOCALE)
384 # Make sure pkg-config doesn't look outside the buildroot tree
385 HOST_PKG_CONFIG_PATH := $(PKG_CONFIG_PATH)
386 unexport PKG_CONFIG_PATH
387 unexport PKG_CONFIG_SYSROOT_DIR
388 unexport PKG_CONFIG_LIBDIR
390 # Having DESTDIR set in the environment confuses the installation
391 # steps of some packages.
394 # Causes breakage with packages that needs host-ruby
397 include package/pkg-utils.mk
398 include package/doc-asciidoc.mk
400 ifeq ($(BR2_HAVE_DOT_CONFIG),y)
402 ################################################################################
404 # Hide troublesome environment variables from sub processes
406 ################################################################################
407 unexport CROSS_COMPILE
417 unexport GREP_OPTIONS
426 GNU_HOST_NAME := $(shell support/gnuconfig/config.guess)
431 # silent mode requested?
432 QUIET := $(if $(findstring s,$(filter-out --%,$(MAKEFLAGS))),-q)
434 # Strip off the annoying quoting
435 ARCH := $(call qstrip,$(BR2_ARCH))
437 KERNEL_ARCH := $(shell echo "$(ARCH)" | sed -e "s/-.*//" \
438 -e s/i.86/i386/ -e s/sun4u/sparc64/ \
441 -e s/arm.*/arm/ -e s/sa110/arm/ \
442 -e s/aarch64.*/arm64/ \
443 -e s/or1k/openrisc/ \
444 -e s/parisc64/parisc/ \
445 -e s/powerpc64.*/powerpc/ \
446 -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
447 -e s/riscv.*/riscv/ \
449 -e s/microblazeel/microblaze/)
451 ZCAT := $(call qstrip,$(BR2_ZCAT))
452 BZCAT := $(call qstrip,$(BR2_BZCAT))
453 XZCAT := $(call qstrip,$(BR2_XZCAT))
454 LZCAT := $(call qstrip,$(BR2_LZCAT))
455 TAR_OPTIONS = $(call qstrip,$(BR2_TAR_OPTIONS)) -xf
457 # packages compiled for the host go here
458 HOST_DIR := $(call qstrip,$(BR2_HOST_DIR))
460 ifneq ($(HOST_DIR),$(BASE_DIR)/host)
461 HOST_DIR_SYMLINK = $(BASE_DIR)/host
462 $(HOST_DIR_SYMLINK): $(BASE_DIR)
463 ln -snf $(HOST_DIR) $(BASE_DIR)/host
466 # Quotes are needed for spaces and all in the original PATH content.
467 BR_PATH = "$(HOST_DIR)/bin:$(HOST_DIR)/sbin:$(PATH)"
469 # Location of a file giving a big fat warning that output/target
470 # should not be used as the root filesystem.
471 TARGET_DIR_WARNING_FILE = $(TARGET_DIR)/THIS_IS_NOT_YOUR_ROOT_FILESYSTEM
473 ifeq ($(BR2_CCACHE),y)
474 CCACHE = $(HOST_DIR)/bin/ccache
475 BR_CACHE_DIR ?= $(call qstrip,$(BR2_CCACHE_DIR))
477 HOSTCC = $(CCACHE) $(HOSTCC_NOCCACHE)
478 HOSTCXX = $(CCACHE) $(HOSTCXX_NOCCACHE)
483 # Scripts in support/ or post-build scripts may need to reference
484 # these locations, so export them so it is easier to use
486 export BR2_REPRODUCIBLE
493 ################################################################################
495 # You should probably leave this stuff alone unless you know
496 # what you are doing.
498 ################################################################################
502 # Include legacy before the other things, because package .mk files
504 include Makefile.legacy
506 include system/system.mk
507 include package/Makefile.in
508 # arch/arch.mk must be after package/Makefile.in because it may need to
509 # complement variables defined therein, like BR_NO_CHECK_HASH_FOR.
511 include support/dependencies/dependencies.mk
513 include $(sort $(wildcard toolchain/*.mk))
514 include $(sort $(wildcard toolchain/*/*.mk))
516 ifeq ($(BR2_REPRODUCIBLE),y)
517 # If SOURCE_DATE_EPOCH has not been set then use the commit date, or the last
518 # release date if the source tree is not within a Git repository.
519 # See: https://reproducible-builds.org/specs/source-date-epoch/
520 BR2_VERSION_GIT_EPOCH := $(shell $(GIT) log -1 --format=%at 2> /dev/null)
521 export SOURCE_DATE_EPOCH ?= $(or $(BR2_VERSION_GIT_EPOCH),$(BR2_VERSION_EPOCH))
524 # Include the package override file if one has been provided in the
526 PACKAGE_OVERRIDE_FILE = $(call qstrip,$(BR2_PACKAGE_OVERRIDE_FILE))
527 ifneq ($(PACKAGE_OVERRIDE_FILE),)
528 -include $(PACKAGE_OVERRIDE_FILE)
531 include $(sort $(wildcard package/*/*.mk))
533 include boot/common.mk
534 include linux/linux.mk
537 # If using a br2-external tree, the BR2_EXTERNAL_$(NAME)_PATH variables
538 # are also present in the .config file. Since .config is included after
539 # we defined them in the Makefile, the values for those variables are
540 # quoted. We just include the generated Makefile fragment .br2-external.mk
541 # a third time, which will set those variables to the un-quoted values.
542 include $(BR2_EXTERNAL_FILE)
544 # Nothing to include if no BR2_EXTERNAL tree in use
545 include $(BR2_EXTERNAL_MKS)
547 # Now we are sure we have all the packages scanned and defined. We now
548 # check for each package in the list of enabled packages, that all its
549 # dependencies are indeed enabled.
551 # Only trigger the check for default builds. If the user forces building
552 # a package, even if not enabled in the configuration, we want to accept
555 ifeq ($(MAKECMDGOALS),)
557 define CHECK_ONE_DEPENDENCY
558 ifeq ($$($(2)_TYPE),target)
559 ifeq ($$($(2)_IS_VIRTUAL),)
560 ifneq ($$($$($(2)_KCONFIG_VAR)),y)
561 $$(error $$($(2)_NAME) is in the dependency chain of $$($(1)_NAME) that \
562 has added it to its _DEPENDENCIES variable without selecting it or \
563 depending on it from Config.in)
569 $(foreach pkg,$(call UPPERCASE,$(PACKAGES)),\
570 $(foreach dep,$(call UPPERCASE,$($(pkg)_FINAL_ALL_DEPENDENCIES)),\
571 $(eval $(call CHECK_ONE_DEPENDENCY,$(pkg),$(dep))$(sep))))
575 $(BUILD_DIR)/buildroot-config/auto.conf: $(BR2_CONFIG)
576 $(MAKE1) $(EXTRAMAKEARGS) HOSTCC="$(HOSTCC_NOCCACHE)" HOSTCXX="$(HOSTCXX_NOCCACHE)" syncconfig
579 prepare: $(BUILD_DIR)/buildroot-config/auto.conf
582 world: target-post-image
586 @$(call MESSAGE,"Rendering the SDK relocatable")
587 $(TOPDIR)/support/scripts/fix-rpath host
588 $(TOPDIR)/support/scripts/fix-rpath staging
589 $(INSTALL) -m 755 $(TOPDIR)/support/misc/relocate-sdk.sh $(HOST_DIR)/relocate-sdk.sh
590 mkdir -p $(HOST_DIR)/share/buildroot
591 echo $(HOST_DIR) > $(HOST_DIR)/share/buildroot/sdk-location
593 BR2_SDK_PREFIX ?= $(GNU_TARGET_NAME)_sdk-buildroot
595 sdk: prepare-sdk $(BR2_TAR_HOST_DEPENDENCY)
596 @$(call MESSAGE,"Generating SDK tarball")
597 $(if $(BR2_SDK_PREFIX),,$(error BR2_SDK_PREFIX can not be empty))
598 $(Q)mkdir -p $(BINARIES_DIR)
599 $(TAR) czf "$(BINARIES_DIR)/$(BR2_SDK_PREFIX).tar.gz" \
600 --owner=0 --group=0 --numeric-owner \
601 --transform='s#^\.#$(BR2_SDK_PREFIX)#' \
604 RSYNC_VCS_EXCLUSIONS = \
605 --exclude .svn --exclude .git --exclude .hg --exclude .bzr \
608 STRIP_FIND_CMD = find $(TARGET_DIR)
609 ifneq (,$(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS)))
610 STRIP_FIND_CMD += \( $(call finddirclauses,$(TARGET_DIR),$(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS))) \) -prune -o
612 STRIP_FIND_CMD += -type f \( -perm /111 -o -name '*.so*' \)
614 # - libpthread.so: a non-stripped libpthread shared library is needed for
615 # proper debugging of pthread programs using gdb.
616 # - ld.so: a non-stripped dynamic linker library is needed for valgrind
617 # - kernel modules (*.ko): do not function properly when stripped like normal
618 # applications and libraries. Normally kernel modules are already excluded
619 # by the executable permission check above, so the explicit exclusion is only
620 # done for kernel modules with incorrect permissions.
621 STRIP_FIND_CMD += -not \( $(call findfileclauses,libpthread*.so* ld-*.so* *.ko $(call qstrip,$(BR2_STRIP_EXCLUDE_FILES))) \) -print0
623 ifeq ($(BR2_ECLIPSE_REGISTER),y)
624 define TOOLCHAIN_ECLIPSE_REGISTER
625 ./support/scripts/eclipse-register-toolchain `readlink -f $(O)` \
626 $(notdir $(TARGET_CROSS)) $(BR2_ARCH)
628 TARGET_FINALIZE_HOOKS += TOOLCHAIN_ECLIPSE_REGISTER
631 # Generate locale data. Basically, we call the localedef program
632 # (built by the host-localedef package) for each locale. The input
633 # data comes preferably from the toolchain, or if the toolchain does
634 # not have them (Linaro toolchains), we use the ones available on the
636 ifeq ($(BR2_TOOLCHAIN_USES_GLIBC),y)
637 GLIBC_GENERATE_LOCALES = $(call qstrip,$(BR2_GENERATE_LOCALE))
638 ifneq ($(GLIBC_GENERATE_LOCALES),)
639 PACKAGES += host-localedef
641 define GENERATE_GLIBC_LOCALES
642 $(Q)mkdir -p $(TARGET_DIR)/usr/lib/locale/
643 $(Q)for locale in $(GLIBC_GENERATE_LOCALES) ; do \
644 inputfile=`echo $${locale} | cut -f1 -d'.'` ; \
645 charmap=`echo $${locale} | cut -f2 -d'.' -s` ; \
646 if test -z "$${charmap}" ; then \
649 echo "Generating locale $${inputfile}.$${charmap}" ; \
650 I18NPATH=$(STAGING_DIR)/usr/share/i18n:/usr/share/i18n \
651 $(HOST_DIR)/bin/localedef \
652 --prefix=$(TARGET_DIR) \
653 --$(call LOWERCASE,$(BR2_ENDIAN))-endian \
654 -i $${inputfile} -f $${charmap} \
658 TARGET_FINALIZE_HOOKS += GENERATE_GLIBC_LOCALES
662 ifeq ($(BR2_ENABLE_LOCALE_PURGE),y)
663 LOCALE_WHITELIST = $(BUILD_DIR)/locales.nopurge
664 LOCALE_NOPURGE = $(call qstrip,$(BR2_ENABLE_LOCALE_WHITELIST))
666 # This piece of junk does the following:
667 # First collect the whitelist in a file.
668 # Then go over all the locale dirs and for each subdir, check if it exists
669 # in the whitelist file. If it doesn't, kill it.
670 # Finally, specifically for X11, regenerate locale.dir from the whitelist.
672 rm -f $(LOCALE_WHITELIST)
673 for i in $(LOCALE_NOPURGE) locale-archive; do echo $$i >> $(LOCALE_WHITELIST); done
675 for dir in $(wildcard $(addprefix $(TARGET_DIR),/usr/share/locale /usr/share/X11/locale /usr/lib/locale)); \
677 for langdir in $$dir/*; \
679 if [ -e "$${langdir}" ]; \
681 grep -qx "$${langdir##*/}" $(LOCALE_WHITELIST) || rm -rf $$langdir; \
685 if [ -d $(TARGET_DIR)/usr/share/X11/locale ]; \
687 for lang in $(LOCALE_NOPURGE); \
689 if [ -f $(TARGET_DIR)/usr/share/X11/locale/$$lang/XLC_LOCALE ]; \
691 echo "$$lang/XLC_LOCALE: $$lang"; \
693 done > $(TARGET_DIR)/usr/share/X11/locale/locale.dir; \
696 TARGET_FINALIZE_HOOKS += PURGE_LOCALES
699 $(TARGETS_ROOTFS): target-finalize
701 # Avoid the rootfs name leaking down the dependency chain
702 target-finalize: ROOTFS=
704 host-finalize: $(HOST_DIR_SYMLINK)
706 .PHONY: staging-finalize
708 @ln -snf $(STAGING_DIR) $(BASE_DIR)/staging
710 .PHONY: target-finalize
711 target-finalize: $(PACKAGES) host-finalize
712 @$(call MESSAGE,"Finalizing target directory")
713 # Check files that are touched by more than one package
714 ./support/scripts/check-uniq-files -t target $(BUILD_DIR)/packages-file-list.txt
715 ./support/scripts/check-uniq-files -t staging $(BUILD_DIR)/packages-file-list-staging.txt
716 ./support/scripts/check-uniq-files -t host $(BUILD_DIR)/packages-file-list-host.txt
717 $(foreach hook,$(TARGET_FINALIZE_HOOKS),$($(hook))$(sep))
718 rm -rf $(TARGET_DIR)/usr/include $(TARGET_DIR)/usr/share/aclocal \
719 $(TARGET_DIR)/usr/lib/pkgconfig $(TARGET_DIR)/usr/share/pkgconfig \
720 $(TARGET_DIR)/usr/lib/cmake $(TARGET_DIR)/usr/share/cmake
721 find $(TARGET_DIR)/usr/{lib,share}/ -name '*.cmake' -print0 | xargs -0 rm -f
722 find $(TARGET_DIR)/lib/ $(TARGET_DIR)/usr/lib/ $(TARGET_DIR)/usr/libexec/ \
723 \( -name '*.a' -o -name '*.la' \) -print0 | xargs -0 rm -f
724 ifneq ($(BR2_PACKAGE_GDB),y)
725 rm -rf $(TARGET_DIR)/usr/share/gdb
727 ifneq ($(BR2_PACKAGE_BASH),y)
728 rm -rf $(TARGET_DIR)/usr/share/bash-completion
730 ifneq ($(BR2_PACKAGE_ZSH),y)
731 rm -rf $(TARGET_DIR)/usr/share/zsh
733 rm -rf $(TARGET_DIR)/usr/man $(TARGET_DIR)/usr/share/man
734 rm -rf $(TARGET_DIR)/usr/info $(TARGET_DIR)/usr/share/info
735 rm -rf $(TARGET_DIR)/usr/doc $(TARGET_DIR)/usr/share/doc
736 rm -rf $(TARGET_DIR)/usr/share/gtk-doc
737 rmdir $(TARGET_DIR)/usr/share 2>/dev/null || true
738 $(STRIP_FIND_CMD) | xargs -0 $(STRIPCMD) 2>/dev/null || true
740 # See http://sourceware.org/gdb/wiki/FAQ, "GDB does not see any threads
741 # besides the one in which crash occurred; or SIGTRAP kills my program when
742 # I set a breakpoint"
743 ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
744 find $(TARGET_DIR)/lib/ -type f -name 'libpthread*.so*' | \
745 xargs -r $(STRIPCMD) $(STRIP_STRIP_DEBUG)
748 # Valgrind needs ld.so with enough information, so only strip
750 find $(TARGET_DIR)/lib/ -type f -name 'ld-*.so*' | \
751 xargs -r $(STRIPCMD) $(STRIP_STRIP_DEBUG)
752 test -f $(TARGET_DIR)/etc/ld.so.conf && \
753 { echo "ERROR: we shouldn't have a /etc/ld.so.conf file"; exit 1; } || true
754 test -d $(TARGET_DIR)/etc/ld.so.conf.d && \
755 { echo "ERROR: we shouldn't have a /etc/ld.so.conf.d directory"; exit 1; } || true
756 mkdir -p $(TARGET_DIR)/etc
758 echo "NAME=Buildroot"; \
759 echo "VERSION=$(BR2_VERSION_FULL)"; \
760 echo "ID=buildroot"; \
761 echo "VERSION_ID=$(BR2_VERSION)"; \
762 echo "PRETTY_NAME=\"Buildroot $(BR2_VERSION)\"" \
763 ) > $(TARGET_DIR)/usr/lib/os-release
764 ln -sf ../usr/lib/os-release $(TARGET_DIR)/etc
766 @$(call MESSAGE,"Sanitizing RPATH in target tree")
767 $(TOPDIR)/support/scripts/fix-rpath target
769 @$(foreach d, $(call qstrip,$(BR2_ROOTFS_OVERLAY)), \
770 $(call MESSAGE,"Copying overlay $(d)"); \
771 rsync -a --ignore-times --keep-dirlinks $(RSYNC_VCS_EXCLUSIONS) \
772 --chmod=u=rwX,go=rX --exclude .empty --exclude '*~' \
773 $(d)/ $(TARGET_DIR)$(sep))
775 @$(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_BUILD_SCRIPT)), \
776 $(call MESSAGE,"Executing post-build script $(s)"); \
777 $(EXTRA_ENV) $(s) $(TARGET_DIR) $(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS))$(sep))
779 touch $(TARGET_DIR)/usr
781 .PHONY: target-post-image
782 target-post-image: $(TARGETS_ROOTFS) target-finalize staging-finalize
783 @rm -f $(ROOTFS_COMMON_TAR)
784 @$(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_IMAGE_SCRIPT)), \
785 $(call MESSAGE,"Executing post-image script $(s)"); \
786 $(EXTRA_ENV) $(s) $(BINARIES_DIR) $(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS))$(sep))
789 source: $(foreach p,$(PACKAGES),$(p)-all-source)
791 .PHONY: _external-deps external-deps
792 _external-deps: $(foreach p,$(PACKAGES),$(p)-all-external-deps)
794 @$(MAKE1) -Bs $(EXTRAMAKEARGS) _external-deps | sort -u
796 .PHONY: legal-info-clean
798 @rm -fr $(LEGAL_INFO_DIR)
800 .PHONY: legal-info-prepare
801 legal-info-prepare: $(LEGAL_INFO_DIR)
802 @$(call MESSAGE,"Buildroot $(BR2_VERSION_FULL) Collecting legal info")
803 @$(call legal-license-file,buildroot,buildroot,support/legal-info/buildroot.hash,COPYING,COPYING,HOST)
804 @$(call legal-manifest,TARGET,PACKAGE,VERSION,LICENSE,LICENSE FILES,SOURCE ARCHIVE,SOURCE SITE,DEPENDENCIES WITH LICENSES)
805 @$(call legal-manifest,HOST,PACKAGE,VERSION,LICENSE,LICENSE FILES,SOURCE ARCHIVE,SOURCE SITE,DEPENDENCIES WITH LICENSES)
806 @$(call legal-manifest,HOST,buildroot,$(BR2_VERSION_FULL),GPL-2.0+,COPYING,not saved,not saved)
807 @$(call legal-warning,the Buildroot source code has not been saved)
808 @cp $(BR2_CONFIG) $(LEGAL_INFO_DIR)/buildroot.config
811 legal-info: legal-info-clean legal-info-prepare $(foreach p,$(PACKAGES),$(p)-all-legal-info) \
812 $(REDIST_SOURCES_DIR_TARGET) $(REDIST_SOURCES_DIR_HOST)
813 @cat support/legal-info/README.header >>$(LEGAL_REPORT)
814 @if [ -r $(LEGAL_WARNINGS) ]; then \
815 cat support/legal-info/README.warnings-header \
816 $(LEGAL_WARNINGS) >>$(LEGAL_REPORT); \
817 cat $(LEGAL_WARNINGS); fi
818 @rm -f $(LEGAL_WARNINGS)
819 @(cd $(LEGAL_INFO_DIR); \
820 find * -type f -exec sha256sum {} + | LC_ALL=C sort -k2 \
821 >.legal-info.sha256; \
822 mv .legal-info.sha256 legal-info.sha256)
823 @echo "Legal info produced in $(LEGAL_INFO_DIR)"
827 @echo $(sort $(PACKAGES)) $(sort $(TARGETS_ROOTFS))
829 .PHONY: show-build-order
830 show-build-order: $(patsubst %,%-show-build-order,$(PACKAGES))
833 graph-build: $(O)/build/build-time.log
834 @install -d $(GRAPHS_DIR)
835 $(foreach o,name build duration,./support/scripts/graph-build-time \
836 --type=histogram --order=$(o) --input=$(<) \
837 --output=$(GRAPHS_DIR)/build.hist-$(o).$(BR_GRAPH_OUT) \
838 $(if $(BR2_GRAPH_ALT),--alternate-colors)$(sep))
839 $(foreach t,packages steps,./support/scripts/graph-build-time \
840 --type=pie-$(t) --input=$(<) \
841 --output=$(GRAPHS_DIR)/build.pie-$(t).$(BR_GRAPH_OUT) \
842 $(if $(BR2_GRAPH_ALT),--alternate-colors)$(sep))
844 .PHONY: graph-depends-requirements
845 graph-depends-requirements:
846 @dot -? >/dev/null 2>&1 || \
847 { echo "ERROR: The 'dot' program from Graphviz is needed for graph-depends" >&2; exit 1; }
849 .PHONY: graph-depends
850 graph-depends: graph-depends-requirements
851 @$(INSTALL) -d $(GRAPHS_DIR)
852 @cd "$(CONFIG_DIR)"; \
853 $(TOPDIR)/support/scripts/graph-depends $(BR2_GRAPH_DEPS_OPTS) \
854 --direct -o $(GRAPHS_DIR)/$(@).dot
855 dot $(BR2_GRAPH_DOT_OPTS) -T$(BR_GRAPH_OUT) \
856 -o $(GRAPHS_DIR)/$(@).$(BR_GRAPH_OUT) \
857 $(GRAPHS_DIR)/$(@).dot
861 $(Q)mkdir -p $(GRAPHS_DIR)
862 $(Q)$(TOPDIR)/support/scripts/size-stats --builddir $(BASE_DIR) \
863 --graph $(GRAPHS_DIR)/graph-size.$(BR_GRAPH_OUT) \
864 --file-size-csv $(GRAPHS_DIR)/file-size-stats.csv \
865 --package-size-csv $(GRAPHS_DIR)/package-size-stats.csv
867 .PHONY: check-dependencies
869 @cd "$(CONFIG_DIR)"; \
870 $(TOPDIR)/support/scripts/graph-depends -C
872 else # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
874 # Some subdirectories are also package names. To avoid that "make linux"
875 # on an unconfigured tree produces "Nothing to be done", add an explicit
877 # Also for 'all' we error out and ask the user to configure first.
878 .PHONY: linux toolchain
879 linux toolchain all: outputmakefile
880 $(error Please configure Buildroot first (e.g. "make menuconfig"))
883 endif # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
886 # ---------------------------------------------------------------------------
888 HOSTCFLAGS = $(CFLAGS_FOR_BUILD)
891 .PHONY: prepare-kconfig
892 prepare-kconfig: outputmakefile $(BUILD_DIR)/.br2-external.in
894 $(BUILD_DIR)/buildroot-config/%onf:
895 mkdir -p $(@D)/lxdialog
896 PKG_CONFIG_PATH="$(HOST_PKG_CONFIG_PATH)" $(MAKE) CC="$(HOSTCC_NOCCACHE)" HOSTCC="$(HOSTCC_NOCCACHE)" \
897 obj=$(@D) -C $(CONFIG) -f Makefile.br $(@F)
899 DEFCONFIG = $(call qstrip,$(BR2_DEFCONFIG))
901 # We don't want to fully expand BR2_DEFCONFIG here, so Kconfig will
902 # recognize that if it's still at its default $(CONFIG_DIR)/defconfig
903 COMMON_CONFIG_ENV = \
904 BR2_DEFCONFIG='$(call qstrip,$(value BR2_DEFCONFIG))' \
905 KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
906 KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
907 KCONFIG_TRISTATE=$(BUILD_DIR)/buildroot-config/tristate.config \
908 BR2_CONFIG=$(BR2_CONFIG) \
909 HOST_GCC_VERSION="$(HOSTCC_VERSION)" \
910 BUILD_DIR=$(BUILD_DIR) \
913 xconfig: $(BUILD_DIR)/buildroot-config/qconf prepare-kconfig
914 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
916 gconfig: $(BUILD_DIR)/buildroot-config/gconf prepare-kconfig
917 @$(COMMON_CONFIG_ENV) srctree=$(TOPDIR) $< $(CONFIG_CONFIG_IN)
919 menuconfig: $(BUILD_DIR)/buildroot-config/mconf prepare-kconfig
920 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
922 nconfig: $(BUILD_DIR)/buildroot-config/nconf prepare-kconfig
923 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
925 config: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
926 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
928 # For the config targets that automatically select options, we pass
929 # SKIP_LEGACY=y to disable the legacy options. However, in that case
930 # no values are set for the legacy options so a subsequent oldconfig
931 # will query them. Therefore, run an additional olddefconfig.
933 randconfig allyesconfig alldefconfig allnoconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
934 @$(COMMON_CONFIG_ENV) SKIP_LEGACY=y $< --$@ $(CONFIG_CONFIG_IN)
935 @$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
937 randpackageconfig allyespackageconfig allnopackageconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
938 @grep -v BR2_PACKAGE_ $(BR2_CONFIG) > $(CONFIG_DIR)/.config.nopkg
939 @$(COMMON_CONFIG_ENV) SKIP_LEGACY=y \
940 KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
941 $< --$(subst package,,$@) $(CONFIG_CONFIG_IN)
942 @rm -f $(CONFIG_DIR)/.config.nopkg
943 @$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
945 oldconfig syncconfig olddefconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
946 @$(COMMON_CONFIG_ENV) $< --$@ $(CONFIG_CONFIG_IN)
948 defconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
949 @$(COMMON_CONFIG_ENV) $< --defconfig$(if $(DEFCONFIG),=$(DEFCONFIG)) $(CONFIG_CONFIG_IN)
951 define percent_defconfig
952 # Override the BR2_DEFCONFIG from COMMON_CONFIG_ENV with the new defconfig
953 %_defconfig: $(BUILD_DIR)/buildroot-config/conf $(1)/configs/%_defconfig prepare-kconfig
954 @$$(COMMON_CONFIG_ENV) BR2_DEFCONFIG=$(1)/configs/$$@ \
955 $$< --defconfig=$(1)/configs/$$@ $$(CONFIG_CONFIG_IN)
957 $(eval $(foreach d,$(call reverse,$(TOPDIR) $(BR2_EXTERNAL_DIRS)),$(call percent_defconfig,$(d))$(sep)))
959 savedefconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
960 @$(COMMON_CONFIG_ENV) $< \
961 --savedefconfig=$(if $(DEFCONFIG),$(DEFCONFIG),$(CONFIG_DIR)/defconfig) \
963 @$(SED) '/BR2_DEFCONFIG=/d' $(if $(DEFCONFIG),$(DEFCONFIG),$(CONFIG_DIR)/defconfig)
965 .PHONY: defconfig savedefconfig
967 ################################################################################
969 # Cleanup and misc junk
971 ################################################################################
973 # staging and target directories do NOT list these as
974 # dependencies anywhere else
975 $(BUILD_DIR) $(BASE_TARGET_DIR) $(HOST_DIR) $(BINARIES_DIR) $(LEGAL_INFO_DIR) $(REDIST_SOURCES_DIR_TARGET) $(REDIST_SOURCES_DIR_HOST):
978 # outputmakefile generates a Makefile in the output directory, if using a
979 # separate output directory. This allows convenient use of make in the
981 .PHONY: outputmakefile
983 ifeq ($(NEED_WRAPPER),y)
984 $(Q)$(TOPDIR)/support/scripts/mkmakefile $(TOPDIR) $(O)
987 # Even though the target is a real file, we mark it as PHONY as we
988 # want it to be re-generated each time make is invoked, in case the
989 # value of BR2_EXTERNAL is changed.
990 .PHONY: $(BUILD_DIR)/.br2-external.in
991 $(BUILD_DIR)/.br2-external.in: $(BUILD_DIR)
992 $(Q)support/scripts/br2-external -k -o "$(@)" $(BR2_EXTERNAL)
994 # printvars prints all the variables currently defined in our
995 # Makefiles. Alternatively, if a non-empty VARS variable is passed,
996 # only the variables matching the make pattern passed in VARS are
1002 $(sort $(if $(VARS),$(filter $(VARS),$(.VARIABLES)),$(.VARIABLES))), \
1003 $(if $(filter-out environment% default automatic, \
1005 $(if $(QUOTED_VARS),\
1006 $(info $V='$(subst ','\'',$(if $(RAW_VARS),$(value $V),$($V)))'), \
1007 $(info $V=$(if $(RAW_VARS),$(value $V),$($V))))))
1008 # ' Syntax colouring...
1012 rm -rf $(BASE_TARGET_DIR) $(BINARIES_DIR) $(HOST_DIR) $(HOST_DIR_SYMLINK) \
1013 $(BUILD_DIR) $(BASE_DIR)/staging \
1014 $(LEGAL_INFO_DIR) $(GRAPHS_DIR)
1018 ifeq ($(O),$(CURDIR)/output)
1021 rm -rf $(TOPDIR)/dl $(BR2_CONFIG) $(CONFIG_DIR)/.config.old $(CONFIG_DIR)/..config.tmp \
1022 $(CONFIG_DIR)/.auto.deps $(BR2_EXTERNAL_FILE)
1027 @echo ' clean - delete all files created by build'
1028 @echo ' distclean - delete all non-source files (including .config)'
1031 @echo ' all - make world'
1032 @echo ' toolchain - build toolchain'
1033 @echo ' sdk - build relocatable SDK'
1035 @echo 'Configuration:'
1036 @echo ' menuconfig - interactive curses-based configurator'
1037 @echo ' nconfig - interactive ncurses-based configurator'
1038 @echo ' xconfig - interactive Qt-based configurator'
1039 @echo ' gconfig - interactive GTK-based configurator'
1040 @echo ' oldconfig - resolve any unresolved symbols in .config'
1041 @echo ' syncconfig - Same as oldconfig, but quietly, additionally update deps'
1042 @echo ' olddefconfig - Same as syncconfig but sets new symbols to their default value'
1043 @echo ' randconfig - New config with random answer to all options'
1044 @echo ' defconfig - New config with default answer to all options;'
1045 @echo ' BR2_DEFCONFIG, if set on the command line, is used as input'
1046 @echo ' savedefconfig - Save current config to BR2_DEFCONFIG (minimal config)'
1047 @echo ' allyesconfig - New config where all options are accepted with yes'
1048 @echo ' allnoconfig - New config where all options are answered with no'
1049 @echo ' alldefconfig - New config where all options are set to default'
1050 @echo ' randpackageconfig - New config with random answer to package options'
1051 @echo ' allyespackageconfig - New config where pkg options are accepted with yes'
1052 @echo ' allnopackageconfig - New config where package options are answered with no'
1054 @echo 'Package-specific:'
1055 @echo ' <pkg> - Build and install <pkg> and all its dependencies'
1056 @echo ' <pkg>-source - Only download the source files for <pkg>'
1057 @echo ' <pkg>-extract - Extract <pkg> sources'
1058 @echo ' <pkg>-patch - Apply patches to <pkg>'
1059 @echo ' <pkg>-depends - Build <pkg>'\''s dependencies'
1060 @echo ' <pkg>-configure - Build <pkg> up to the configure step'
1061 @echo ' <pkg>-build - Build <pkg> up to the build step'
1062 @echo ' <pkg>-show-depends - List packages on which <pkg> depends'
1063 @echo ' <pkg>-show-rdepends - List packages which have <pkg> as a dependency'
1064 @echo ' <pkg>-show-recursive-depends'
1065 @echo ' - Recursively list packages on which <pkg> depends'
1066 @echo ' <pkg>-show-recursive-rdepends'
1067 @echo ' - Recursively list packages which have <pkg> as a dependency'
1068 @echo ' <pkg>-graph-depends - Generate a graph of <pkg>'\''s dependencies'
1069 @echo ' <pkg>-graph-rdepends - Generate a graph of <pkg>'\''s reverse dependencies'
1070 @echo ' <pkg>-dirclean - Remove <pkg> build directory'
1071 @echo ' <pkg>-reconfigure - Restart the build from the configure step'
1072 @echo ' <pkg>-rebuild - Restart the build from the build step'
1073 $(foreach p,$(HELP_PACKAGES), \
1075 @echo '$($(p)_NAME):' $(sep) \
1076 $($(p)_HELP_CMDS)$(sep))
1078 @echo 'Documentation:'
1079 @echo ' manual - build manual in all formats'
1080 @echo ' manual-html - build manual in HTML'
1081 @echo ' manual-split-html - build manual in split HTML'
1082 @echo ' manual-pdf - build manual in PDF'
1083 @echo ' manual-text - build manual in text'
1084 @echo ' manual-epub - build manual in ePub'
1085 @echo ' graph-build - generate graphs of the build times'
1086 @echo ' graph-depends - generate graph of the dependency tree'
1087 @echo ' graph-size - generate stats of the filesystem size'
1088 @echo ' list-defconfigs - list all defconfigs (pre-configured minimal systems)'
1090 @echo 'Miscellaneous:'
1091 @echo ' source - download all sources needed for offline-build'
1092 @echo ' external-deps - list external packages used'
1093 @echo ' legal-info - generate info about license compliance'
1094 @echo ' printvars - dump all the internal variables'
1096 @echo ' make V=0|1 - 0 => quiet build (default), 1 => verbose build'
1097 @echo ' make O=dir - Locate all output files in "dir", including .config'
1099 @echo 'For further details, see README, generate the Buildroot manual, or consult'
1100 @echo 'it on-line at http://buildroot.org/docs.html'
1103 # List the defconfig files
1104 # $(1): base directory
1105 # $(2): br2-external name, empty for bundled
1106 define list-defconfigs
1108 for defconfig in $(1)/configs/*_defconfig; do \
1109 [ -f "$${defconfig}" ] || continue; \
1110 if $${first}; then \
1111 if [ "$(2)" ]; then \
1112 printf 'External configs in "$(call qstrip,$(2))":\n'; \
1114 printf "Built-in configs:\n"; \
1118 defconfig="$${defconfig##*/}"; \
1119 printf " %-35s - Build for %s\n" "$${defconfig}" "$${defconfig%_defconfig}"; \
1121 $${first} || printf "\n"
1124 # We iterate over BR2_EXTERNAL_NAMES rather than BR2_EXTERNAL_DIRS,
1125 # because we want to display the name of the br2-external tree.
1126 .PHONY: list-defconfigs
1128 $(call list-defconfigs,$(TOPDIR))
1129 $(foreach name,$(BR2_EXTERNAL_NAMES),\
1130 $(call list-defconfigs,$(BR2_EXTERNAL_$(name)_PATH),\
1131 $(BR2_EXTERNAL_$(name)_DESC))$(sep))
1133 release: OUT = buildroot-$(BR2_VERSION)
1135 # Create release tarballs. We need to fiddle a bit to add the generated
1136 # documentation to the git output
1138 git archive --format=tar --prefix=$(OUT)/ HEAD > $(OUT).tar
1139 $(MAKE) O=$(OUT) manual-html manual-text manual-pdf
1140 $(MAKE) O=$(OUT) manual-clean
1141 tar rf $(OUT).tar $(OUT)
1142 gzip -9 -c < $(OUT).tar > $(OUT).tar.gz
1143 bzip2 -9 -c < $(OUT).tar > $(OUT).tar.bz2
1144 rm -rf $(OUT) $(OUT).tar
1147 @echo $(BR2_VERSION_FULL)
1150 find $(TOPDIR) -type f \( -name '*.mk' -o -name '*.hash' -o -name 'Config.*' \) \
1151 -exec ./utils/check-package {} +
1153 .PHONY: .gitlab-ci.yml
1154 .gitlab-ci.yml: .gitlab-ci.yml.in
1156 (cd configs; LC_ALL=C ls -1 *_defconfig) | sed 's/$$/: *defconfig/' >> $@
1157 set -o pipefail; ./support/testing/run-tests -l 2>&1 | sed -r -e '/^test_run \((.*)\).*/!d; s//\1: *runtime_test/' | LC_ALL=C sort >> $@
1159 include docs/manual/manual.mk
1160 -include $(foreach dir,$(BR2_EXTERNAL_DIRS),$(sort $(wildcard $(dir)/docs/*/*.mk)))
1162 .PHONY: $(noconfig_targets)
1164 endif #umask / $(CURDIR) / $(O)