1 # Makefile for buildroot
3 # Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org>
4 # Copyright (C) 2006-2014 by the Buildroot developers <buildroot@uclibc.org>
5 # Copyright (C) 2014 by the Buildroot developers <buildroot@buildroot.org>
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 # Set and export the version string
28 export BR2_VERSION := 2014.08-git
30 # Check for minimal make version (note: this check will break at make 10.x)
31 MIN_MAKE_VERSION = 3.81
32 ifneq ($(firstword $(sort $(MAKE_VERSION) $(MIN_MAKE_VERSION))),$(MIN_MAKE_VERSION))
33 $(error You have make '$(MAKE_VERSION)' installed. GNU make >= $(MIN_MAKE_VERSION) is required)
36 export HOSTARCH := $(shell uname -m | \
41 -e s/ppc64/powerpc64/ \
46 # Parallel execution of this Makefile is disabled because it changes
47 # the packages building order, that can be a problem for two reasons:
48 # - If a package has an unspecified optional dependency and that
49 # dependency is present when the package is built, it is used,
50 # otherwise it isn't (but compilation happily proceeds) so the end
51 # result will differ if the order is swapped due to parallel
53 # - Also changing the building order can be a problem if two packages
54 # manipulate the same file in the target directory.
56 # Taking into account the above considerations, if you still want to execute
57 # this top-level Makefile in parallel comment the ".NOTPARALLEL" line and
58 # build using the following command:
59 # make BR2_JLEVEL= -j$((`getconf _NPROCESSORS_ONLN`+1))
63 TOPDIR := $(shell pwd)
64 CONFIG_CONFIG_IN = Config.in
65 CONFIG = support/kconfig
66 DATE := $(shell date +%Y%m%d)
68 # Compute the full local version string so packages can use it as-is
69 # Need to export it, so it can be got from environment in children (eg. mconf)
70 export BR2_VERSION_FULL := $(BR2_VERSION)$(shell $(TOPDIR)/support/scripts/setlocalversion)
72 noconfig_targets := menuconfig nconfig gconfig xconfig config oldconfig randconfig \
73 defconfig %_defconfig allyesconfig allnoconfig silentoldconfig release \
74 randpackageconfig allyespackageconfig allnopackageconfig \
75 source-check print-version olddefconfig
77 # Strip quotes and then whitespaces
78 qstrip = $(strip $(subst ",,$(1)))
81 # Variables for use in Make constructs
84 space := $(empty) $(empty)
86 ifneq ("$(origin O)", "command line")
88 CONFIG_DIR := $(TOPDIR)
91 # other packages might also support Linux-style out of tree builds
92 # with the O=<dir> syntax (E.G. BusyBox does). As make automatically
93 # forwards command line variable definitions those packages get very
94 # confused. Fix this by telling make to not do so
96 # strangely enough O is still passed to submakes with MAKEOVERRIDES
97 # (with make 3.81 atleast), the only thing that changes is the output
98 # of the origin function (command line -> environment).
99 # Unfortunately some packages don't look at origin (E.G. uClibc 0.9.31+)
100 # To really make O go away, we have to override it.
103 # we need to pass O= everywhere we call back into the toplevel makefile
104 EXTRAMAKEARGS = O=$(O)
108 # bash prints the name of the directory on 'cd <dir>' if CDPATH is
109 # set, so unset it here to not cause problems. Notice that the export
110 # line doesn't affect the environment of $(shell ..) calls, so
111 # explictly throw away any output from 'cd' here.
113 BASE_DIR := $(shell mkdir -p $(O) && cd $(O) >/dev/null && pwd)
114 $(if $(BASE_DIR),, $(error output directory "$(O)" does not exist))
117 # Handling of BR2_EXTERNAL.
119 # The value of BR2_EXTERNAL is stored in .br-external in the output directory.
120 # On subsequent invocations of make, it is read in. It can still be overridden
121 # on the command line, therefore the file is re-created every time make is run.
123 # When BR2_EXTERNAL is not set, the .br-external file is removed and we point
124 # to support/dummy-external. This makes sure we can unconditionally include the
125 # Config.in and external.mk from the BR2_EXTERNAL directory. In this case,
126 # override is necessary so the user can clear BR2_EXTERNAL from the command
127 # line, but the dummy path is still used internally.
129 BR2_EXTERNAL_FILE = $(BASE_DIR)/.br-external
130 -include $(BR2_EXTERNAL_FILE)
131 ifeq ($(BR2_EXTERNAL),)
132 override BR2_EXTERNAL = support/dummy-external
133 $(shell rm -f $(BR2_EXTERNAL_FILE))
135 _BR2_EXTERNAL = $(shell cd $(BR2_EXTERNAL) >/dev/null 2>&1 && pwd)
136 ifeq ($(_BR2_EXTERNAL),)
137 $(error BR2_EXTERNAL='$(BR2_EXTERNAL)' does not exist, relative to $(TOPDIR))
139 override BR2_EXTERNAL := $(_BR2_EXTERNAL)
140 $(shell echo BR2_EXTERNAL ?= $(BR2_EXTERNAL) > $(BR2_EXTERNAL_FILE))
143 # To make sure the the environment variable overrides the .config option,
144 # set this before including .config.
145 ifneq ($(BR2_DL_DIR),)
146 DL_DIR := $(BR2_DL_DIR)
150 # Need that early, before we scan packages
151 # Avoids doing the $(or...) everytime
152 BR_GRAPH_OUT := $(or $(BR2_GRAPH_OUT),pdf)
154 BUILD_DIR := $(BASE_DIR)/build
155 BINARIES_DIR := $(BASE_DIR)/images
156 TARGET_DIR := $(BASE_DIR)/target
157 # initial definition so that 'make clean' works for most users, even without
158 # .config. HOST_DIR will be overwritten later when .config is included.
159 HOST_DIR := $(BASE_DIR)/host
161 LEGAL_INFO_DIR = $(BASE_DIR)/legal-info
162 REDIST_SOURCES_DIR_TARGET = $(LEGAL_INFO_DIR)/sources
163 REDIST_SOURCES_DIR_HOST = $(LEGAL_INFO_DIR)/host-sources
164 LICENSE_FILES_DIR_TARGET = $(LEGAL_INFO_DIR)/licenses
165 LICENSE_FILES_DIR_HOST = $(LEGAL_INFO_DIR)/host-licenses
166 LEGAL_MANIFEST_CSV_TARGET = $(LEGAL_INFO_DIR)/manifest.csv
167 LEGAL_MANIFEST_CSV_HOST = $(LEGAL_INFO_DIR)/host-manifest.csv
168 LEGAL_LICENSES_TXT_TARGET = $(LEGAL_INFO_DIR)/licenses.txt
169 LEGAL_LICENSES_TXT_HOST = $(LEGAL_INFO_DIR)/host-licenses.txt
170 LEGAL_WARNINGS = $(LEGAL_INFO_DIR)/.warnings
171 LEGAL_REPORT = $(LEGAL_INFO_DIR)/README
173 BR2_CONFIG = $(CONFIG_DIR)/.config
175 # Pull in the user's configuration file
176 ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
177 -include $(BR2_CONFIG)
180 # To put more focus on warnings, be less verbose as default
181 # Use 'make V=1' to see the full commands
183 ifeq ("$(origin V)", "command line")
184 KBUILD_VERBOSE = $(V)
187 ifndef KBUILD_VERBOSE
191 ifeq ($(KBUILD_VERBOSE),1)
202 # we want bash as shell
203 SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
204 else if [ -x /bin/bash ]; then echo /bin/bash; \
205 else echo sh; fi; fi)
207 # kconfig uses CONFIG_SHELL
208 CONFIG_SHELL := $(SHELL)
210 export SHELL CONFIG_SHELL quiet Q KBUILD_VERBOSE VERBOSE
220 HOSTCC := $(shell which $(HOSTCC) || type -p $(HOSTCC) || echo gcc)
222 HOSTCC_NOCCACHE := $(HOSTCC)
225 HOSTCXX := $(shell which $(HOSTCXX) || type -p $(HOSTCXX) || echo g++)
227 HOSTCXX_NOCCACHE := $(HOSTCXX)
244 HOSTOBJCOPY := objcopy
249 HOSTAR := $(shell which $(HOSTAR) || type -p $(HOSTAR) || echo ar)
250 HOSTAS := $(shell which $(HOSTAS) || type -p $(HOSTAS) || echo as)
251 HOSTFC := $(shell which $(HOSTLD) || type -p $(HOSTLD) || echo || which g77 || type -p g77 || echo gfortran)
252 HOSTCPP := $(shell which $(HOSTCPP) || type -p $(HOSTCPP) || echo cpp)
253 HOSTLD := $(shell which $(HOSTLD) || type -p $(HOSTLD) || echo ld)
254 HOSTLN := $(shell which $(HOSTLN) || type -p $(HOSTLN) || echo ln)
255 HOSTNM := $(shell which $(HOSTNM) || type -p $(HOSTNM) || echo nm)
256 HOSTOBJCOPY := $(shell which $(HOSTOBJCOPY) || type -p $(HOSTOBJCOPY) || echo objcopy)
257 HOSTRANLIB := $(shell which $(HOSTRANLIB) || type -p $(HOSTRANLIB) || echo ranlib)
259 export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTFC HOSTLD
260 export HOSTCC_NOCCACHE HOSTCXX_NOCCACHE
262 # Make sure pkg-config doesn't look outside the buildroot tree
263 unexport PKG_CONFIG_PATH
264 unexport PKG_CONFIG_SYSROOT_DIR
265 unexport PKG_CONFIG_LIBDIR
267 # Having DESTDIR set in the environment confuses the installation
268 # steps of some packages.
271 # Causes breakage with packages that needs host-ruby
274 ifeq ($(BR2_HAVE_DOT_CONFIG),y)
276 ################################################################################
278 # Hide troublesome environment variables from sub processes
280 ################################################################################
281 unexport CROSS_COMPILE
288 unexport GREP_OPTIONS
294 GNU_HOST_NAME := $(shell support/gnuconfig/config.guess)
298 # silent mode requested?
299 QUIET := $(if $(findstring s,$(MAKEFLAGS)),-q)
301 # Strip off the annoying quoting
302 ARCH := $(call qstrip,$(BR2_ARCH))
304 KERNEL_ARCH := $(shell echo "$(ARCH)" | sed -e "s/-.*//" \
305 -e s/i.86/i386/ -e s/sun4u/sparc64/ \
308 -e s/arm.*/arm/ -e s/sa110/arm/ \
309 -e s/aarch64/arm64/ \
310 -e s/bfin/blackfin/ \
311 -e s/parisc64/parisc/ \
312 -e s/powerpc64.*/powerpc/ \
313 -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
315 -e s/microblazeel/microblaze/)
317 ZCAT := $(call qstrip,$(BR2_ZCAT))
318 BZCAT := $(call qstrip,$(BR2_BZCAT))
319 XZCAT := $(call qstrip,$(BR2_XZCAT))
320 TAR_OPTIONS = $(call qstrip,$(BR2_TAR_OPTIONS)) -xf
322 # packages compiled for the host go here
323 HOST_DIR := $(call qstrip,$(BR2_HOST_DIR))
325 # Quotes are needed for spaces and all in the original PATH content.
326 BR_PATH = "$(HOST_DIR)/bin:$(HOST_DIR)/sbin:$(HOST_DIR)/usr/bin:$(HOST_DIR)/usr/sbin:$(PATH)"
328 # locales to generate
329 GENERATE_LOCALE = $(call qstrip,$(BR2_GENERATE_LOCALE))
331 TARGET_SKELETON = $(TOPDIR)/system/skeleton
333 # Location of a file giving a big fat warning that output/target
334 # should not be used as the root filesystem.
335 TARGET_DIR_WARNING_FILE = $(TARGET_DIR)/THIS_IS_NOT_YOUR_ROOT_FILESYSTEM
337 ifeq ($(BR2_CCACHE),y)
338 CCACHE := $(HOST_DIR)/usr/bin/ccache
339 BR_CACHE_DIR = $(call qstrip,$(BR2_CCACHE_DIR))
341 HOSTCC := $(CCACHE) $(HOSTCC)
342 HOSTCXX := $(CCACHE) $(HOSTCXX)
345 # Scripts in support/ or post-build scripts may need to reference
346 # these locations, so export them so it is easier to use
354 ################################################################################
356 # You should probably leave this stuff alone unless you know
357 # what you are doing.
359 ################################################################################
363 # Include legacy before the other things, because package .mk files
365 ifneq ($(BR2_DEPRECATED),y)
366 include Makefile.legacy
369 include package/Makefile.in
370 include support/dependencies/dependencies.mk
372 # We also need the various per-package makefiles, which also add
373 # each selected package to TARGETS if that package was selected
374 # in the .config file.
375 include toolchain/helpers.mk
376 include toolchain/*/*.mk
378 # Include the package override file if one has been provided in the
380 PACKAGE_OVERRIDE_FILE = $(call qstrip,$(BR2_PACKAGE_OVERRIDE_FILE))
381 ifneq ($(PACKAGE_OVERRIDE_FILE),)
382 -include $(PACKAGE_OVERRIDE_FILE)
385 include $(sort $(wildcard package/*/*.mk))
387 include boot/common.mk
388 include linux/linux.mk
389 include system/system.mk
392 include $(BR2_EXTERNAL)/external.mk
394 ifeq ($(BR2_TOOLCHAIN_USES_GLIBC),y)
395 ifneq ($(GENERATE_LOCALE),)
396 TARGETS += target-generatelocales
400 ifeq ($(BR2_ECLIPSE_REGISTER),y)
401 TARGETS += toolchain-eclipse-register
404 TARGETS_SOURCE := $(patsubst %,%-source,$(TARGETS))
405 TARGETS_DIRCLEAN := $(patsubst %,%-dirclean,$(TARGETS))
407 # host-* dependencies have to be handled specially, as those aren't
408 # visible in Kconfig and hence not added to a variable like TARGETS.
409 # instead, find all the host-* targets listed in each <PKG>_DEPENDENCIES
410 # variable for each enabled target.
411 # Notice: this only works for newstyle gentargets/autotargets packages
412 TARGETS_HOST_DEPS = $(sort $(filter host-%,$(foreach dep,\
413 $(addsuffix _DEPENDENCIES,\
414 $(call UPPERCASE,$(TARGETS) $(TARGETS_ROOTFS))),\
416 # Host packages can in turn have their own dependencies. Likewise find
417 # all the package names listed in the HOST_<PKG>_DEPENDENCIES for each
418 # host package found above. Ideally this should be done recursively until
419 # no more packages are found, but that's hard to do in make, so limit to
421 HOST_DEPS = $(sort $(foreach dep,\
422 $(addsuffix _DEPENDENCIES,$(call UPPERCASE,$(TARGETS_HOST_DEPS))),\
424 HOST_SOURCE += $(addsuffix -source,$(sort $(TARGETS_HOST_DEPS) $(HOST_DEPS)))
426 TARGETS_LEGAL_INFO := $(patsubst %,%-legal-info,\
427 $(TARGETS) $(TARGETS_HOST_DEPS) $(HOST_DEPS))))
429 dirs: $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
430 $(HOST_DIR) $(BINARIES_DIR)
432 $(BUILD_DIR)/buildroot-config/auto.conf: $(BR2_CONFIG)
433 $(MAKE1) $(EXTRAMAKEARGS) HOSTCC="$(HOSTCC_NOCCACHE)" HOSTCXX="$(HOSTCXX_NOCCACHE)" silentoldconfig
435 prepare: $(BUILD_DIR)/buildroot-config/auto.conf
437 # Add base dependencies to all targets even on those not based on the
439 $(TARGETS): dirs prepare dependencies
441 world: target-post-image
443 .PHONY: all world toolchain dirs clean distclean source outputmakefile \
444 legal-info legal-info-prepare legal-info-clean printvars \
445 target-finalize target-post-image \
446 $(TARGETS) $(TARGETS_ROOTFS) \
447 $(TARGETS_DIRCLEAN) $(TARGETS_SOURCE) $(TARGETS_LEGAL_INFO) \
448 $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
449 $(HOST_DIR) $(BINARIES_DIR)
451 ################################################################################
453 # staging and target directories do NOT list these as
454 # dependencies anywhere else
456 ################################################################################
457 $(BUILD_DIR) $(HOST_DIR) $(BINARIES_DIR) $(LEGAL_INFO_DIR) $(REDIST_SOURCES_DIR_TARGET) $(REDIST_SOURCES_DIR_HOST):
460 # We make a symlink lib32->lib or lib64->lib as appropriate
461 # MIPS64/n32 requires lib32 even though it's a 64-bit arch.
462 ifeq ($(BR2_ARCH_IS_64)$(BR2_MIPS_NABI32),y)
469 @mkdir -p $(STAGING_DIR)/bin
470 @mkdir -p $(STAGING_DIR)/lib
471 @ln -snf lib $(STAGING_DIR)/$(LIB_SYMLINK)
472 @mkdir -p $(STAGING_DIR)/usr/lib
473 @ln -snf lib $(STAGING_DIR)/usr/$(LIB_SYMLINK)
474 @mkdir -p $(STAGING_DIR)/usr/include
475 @mkdir -p $(STAGING_DIR)/usr/bin
476 @ln -snf $(STAGING_DIR) $(BASE_DIR)/staging
478 ifeq ($(BR2_ROOTFS_SKELETON_CUSTOM),y)
479 TARGET_SKELETON = $(BR2_ROOTFS_SKELETON_CUSTOM_PATH)
482 RSYNC_VCS_EXCLUSIONS = \
483 --exclude .svn --exclude .git --exclude .hg --exclude .bzr \
487 mkdir -p $(TARGET_DIR)
488 rsync -a --ignore-times $(RSYNC_VCS_EXCLUSIONS) \
489 --chmod=Du+w --exclude .empty --exclude '*~' \
490 $(TARGET_SKELETON)/ $(TARGET_DIR)/
491 $(INSTALL) -m 0644 support/misc/target-dir-warning.txt $(TARGET_DIR_WARNING_FILE)
492 @ln -snf lib $(TARGET_DIR)/$(LIB_SYMLINK)
493 @mkdir -p $(TARGET_DIR)/usr
494 @ln -snf lib $(TARGET_DIR)/usr/$(LIB_SYMLINK)
497 $(TARGET_DIR): $(BUILD_DIR)/.root
499 STRIP_FIND_CMD = find $(TARGET_DIR)
500 ifneq (,$(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS)))
501 STRIP_FIND_CMD += \( $(call finddirclauses,$(TARGET_DIR),$(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS))) \) -prune -o
503 STRIP_FIND_CMD += -type f \( -perm /111 -o -name '*.so*' \)
505 # - libpthread.so: a non-stripped libpthread shared library is needed for
506 # proper debugging of pthread programs using gdb.
507 # - kernel modules (*.ko): do not function properly when stripped like normal
508 # applications and libraries. Normally kernel modules are already excluded
509 # by the executable permission check above, so the explicit exclusion is only
510 # done for kernel modules with incorrect permissions.
511 STRIP_FIND_CMD += -not \( $(call findfileclauses,libpthread*.so* *.ko $(call qstrip,$(BR2_STRIP_EXCLUDE_FILES))) \) -print
513 ifeq ($(BR2_ENABLE_LOCALE_PURGE),y)
514 LOCALE_WHITELIST = $(BUILD_DIR)/locales.nopurge
515 LOCALE_NOPURGE = $(call qstrip,$(BR2_ENABLE_LOCALE_WHITELIST))
517 define TARGET_PURGE_LOCALES
518 rm -f $(LOCALE_WHITELIST)
519 for i in $(LOCALE_NOPURGE); do echo $$i >> $(LOCALE_WHITELIST); done
521 for dir in $(wildcard $(addprefix $(TARGET_DIR),/usr/share/locale /usr/share/X11/locale /usr/man /usr/share/man /usr/lib/locale)); \
523 for lang in $$(cd $$dir; ls .|grep -v man); \
525 grep -qx $$lang $(LOCALE_WHITELIST) || rm -rf $$dir/$$lang; \
531 $(TARGETS_ROOTFS): target-finalize
533 target-finalize: $(TARGETS)
534 @$(call MESSAGE,"Finalizing target directory")
535 $(TARGET_PURGE_LOCALES)
536 rm -rf $(TARGET_DIR)/usr/include $(TARGET_DIR)/usr/share/aclocal \
537 $(TARGET_DIR)/usr/lib/pkgconfig $(TARGET_DIR)/usr/share/pkgconfig \
538 $(TARGET_DIR)/usr/lib/cmake $(TARGET_DIR)/usr/share/cmake
539 find $(TARGET_DIR)/usr/{lib,share}/ -name '*.cmake' -print0 | xargs -0 rm -f
540 find $(TARGET_DIR)/lib \( -name '*.a' -o -name '*.la' \) -print0 | xargs -0 rm -f
541 find $(TARGET_DIR)/usr/lib \( -name '*.a' -o -name '*.la' \) -print0 | xargs -0 rm -f
542 ifneq ($(BR2_PACKAGE_GDB),y)
543 rm -rf $(TARGET_DIR)/usr/share/gdb
545 rm -rf $(TARGET_DIR)/usr/man $(TARGET_DIR)/usr/share/man
546 rm -rf $(TARGET_DIR)/usr/info $(TARGET_DIR)/usr/share/info
547 rm -rf $(TARGET_DIR)/usr/doc $(TARGET_DIR)/usr/share/doc
548 rm -rf $(TARGET_DIR)/usr/share/gtk-doc
549 -rmdir $(TARGET_DIR)/usr/share 2>/dev/null
550 ifeq ($(BR2_PACKAGE_PYTHON_PY_ONLY)$(BR2_PACKAGE_PYTHON3_PY_ONLY),y)
551 find $(TARGET_DIR)/usr/lib/ -name '*.pyc' -print0 | xargs -0 rm -f
553 ifeq ($(BR2_PACKAGE_PYTHON_PYC_ONLY)$(BR2_PACKAGE_PYTHON3_PYC_ONLY),y)
554 find $(TARGET_DIR)/usr/lib/ -name '*.py' -print0 | xargs -0 rm -f
556 rm -rf $(TARGET_DIR)/usr/lib/luarocks
557 rm -rf $(TARGET_DIR)/usr/lib/perl5/$(PERL_VERSION)/$(PERL_ARCHNAME)/CORE
558 find $(TARGET_DIR)/usr/lib/perl5/ -name '*.bs' -print0 | xargs -0 rm -f
559 find $(TARGET_DIR)/usr/lib/perl5/ -name '.packlist' -print0 | xargs -0 rm -f
560 $(STRIP_FIND_CMD) | xargs $(STRIPCMD) 2>/dev/null || true
561 if test -d $(TARGET_DIR)/lib/modules; then \
562 find $(TARGET_DIR)/lib/modules -type f -name '*.ko' | \
563 xargs -r $(KSTRIPCMD); fi
565 # See http://sourceware.org/gdb/wiki/FAQ, "GDB does not see any threads
566 # besides the one in which crash occurred; or SIGTRAP kills my program when
567 # I set a breakpoint"
568 ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
569 find $(TARGET_DIR)/lib -type f -name 'libpthread*.so*' | \
570 xargs -r $(STRIPCMD) $(STRIP_STRIP_DEBUG)
573 mkdir -p $(TARGET_DIR)/etc
574 # Mandatory configuration file and auxilliary cache directory
575 # for recent versions of ldconfig
576 touch $(TARGET_DIR)/etc/ld.so.conf
577 mkdir -p $(TARGET_DIR)/var/cache/ldconfig
578 if [ -x "$(TARGET_CROSS)ldconfig" ]; \
580 $(TARGET_CROSS)ldconfig -r $(TARGET_DIR); \
582 /sbin/ldconfig -r $(TARGET_DIR); \
585 echo "NAME=Buildroot"; \
586 echo "VERSION=$(BR2_VERSION_FULL)"; \
587 echo "ID=buildroot"; \
588 echo "VERSION_ID=$(BR2_VERSION)"; \
589 echo "PRETTY_NAME=\"Buildroot $(BR2_VERSION)\"" \
590 ) > $(TARGET_DIR)/etc/os-release
592 @$(foreach d, $(call qstrip,$(BR2_ROOTFS_OVERLAY)), \
593 $(call MESSAGE,"Copying overlay $(d)"); \
594 rsync -a --ignore-times $(RSYNC_VCS_EXCLUSIONS) \
595 --chmod=Du+w --exclude .empty --exclude '*~' \
596 $(d)/ $(TARGET_DIR)$(sep))
598 @$(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_BUILD_SCRIPT)), \
599 $(call MESSAGE,"Executing post-build script $(s)"); \
600 $(EXTRA_ENV) $(s) $(TARGET_DIR) $(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS))$(sep))
602 ifneq ($(GENERATE_LOCALE),)
603 # Generate locale data. Basically, we call the localedef program
604 # (built by the host-localedef package) for each locale. The input
605 # data comes preferably from the toolchain, or if the toolchain does
606 # not have them (Linaro toolchains), we use the ones available on the
608 target-generatelocales: host-localedef toolchain
609 $(Q)mkdir -p $(TARGET_DIR)/usr/lib/locale/
610 $(Q)for locale in $(GENERATE_LOCALE) ; do \
611 inputfile=`echo $${locale} | cut -f1 -d'.'` ; \
612 charmap=`echo $${locale} | cut -f2 -d'.' -s` ; \
613 if test -z "$${charmap}" ; then \
616 echo "Generating locale $${inputfile}.$${charmap}" ; \
617 I18NPATH=$(STAGING_DIR)/usr/share/i18n:/usr/share/i18n \
618 $(HOST_DIR)/usr/bin/localedef \
619 --prefix=$(TARGET_DIR) \
620 --$(call LOWERCASE,$(BR2_ENDIAN))-endian \
621 -i $${inputfile} -f $${charmap} \
626 target-post-image: $(TARGETS_ROOTFS) target-finalize
627 @$(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_IMAGE_SCRIPT)), \
628 $(call MESSAGE,"Executing post-image script $(s)"); \
629 $(EXTRA_ENV) $(s) $(BINARIES_DIR) $(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS))$(sep))
631 toolchain-eclipse-register: toolchain
632 ./support/scripts/eclipse-register-toolchain `readlink -f $(O)` $(notdir $(TARGET_CROSS)) $(BR2_ARCH)
634 source: $(TARGETS_SOURCE) $(HOST_SOURCE)
637 @$(MAKE1) -Bs DL_MODE=SHOW_EXTERNAL_DEPS $(EXTRAMAKEARGS) source | sort -u
640 @rm -fr $(LEGAL_INFO_DIR)
642 legal-info-prepare: $(LEGAL_INFO_DIR)
643 @$(call MESSAGE,"Collecting legal info")
644 @$(call legal-license-file,buildroot,COPYING,COPYING,HOST)
645 @$(call legal-manifest,PACKAGE,VERSION,LICENSE,LICENSE FILES,SOURCE ARCHIVE,TARGET)
646 @$(call legal-manifest,PACKAGE,VERSION,LICENSE,LICENSE FILES,SOURCE ARCHIVE,HOST)
647 @$(call legal-manifest,buildroot,$(BR2_VERSION_FULL),GPLv2+,COPYING,not saved,HOST)
648 @$(call legal-warning,the Buildroot source code has not been saved)
649 @$(call legal-warning,the toolchain has not been saved)
650 @cp $(BR2_CONFIG) $(LEGAL_INFO_DIR)/buildroot.config
652 legal-info: dirs legal-info-clean legal-info-prepare $(TARGETS_LEGAL_INFO) \
653 $(REDIST_SOURCES_DIR_TARGET) $(REDIST_SOURCES_DIR_HOST)
654 @cat support/legal-info/README.header >>$(LEGAL_REPORT)
655 @if [ -r $(LEGAL_WARNINGS) ]; then \
656 cat support/legal-info/README.warnings-header \
657 $(LEGAL_WARNINGS) >>$(LEGAL_REPORT); \
658 cat $(LEGAL_WARNINGS); fi
659 @echo "Legal info produced in $(LEGAL_INFO_DIR)"
660 @rm -f $(LEGAL_WARNINGS)
663 @echo $(HOST_DEPS) $(TARGETS_HOST_DEPS) $(TARGETS) $(TARGETS_ROOTFS)
665 graph-build: $(O)/build/build-time.log
666 @install -d $(O)/graphs
667 $(foreach o,name build duration,./support/scripts/graph-build-time \
668 --type=histogram --order=$(o) --input=$(<) \
669 --output=$(O)/graphs/build.hist-$(o).$(BR_GRAPH_OUT) \
670 $(if $(BR2_GRAPH_ALT),--alternate-colors)$(sep))
671 $(foreach t,packages steps,./support/scripts/graph-build-time \
672 --type=pie-$(t) --input=$(<) \
673 --output=$(O)/graphs/build.pie-$(t).$(BR_GRAPH_OUT) \
674 $(if $(BR2_GRAPH_ALT),--alternate-colors)$(sep))
677 @$(INSTALL) -d $(O)/graphs
678 @cd "$(CONFIG_DIR)"; \
679 $(TOPDIR)/support/scripts/graph-depends $(BR2_GRAPH_DEPS_OPTS) \
680 |tee $(O)/graphs/$(@).dot \
681 |dot $(BR2_GRAPH_DOT_OPTS) -T$(BR_GRAPH_OUT) -o $(O)/graphs/$(@).$(BR_GRAPH_OUT)
683 else # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
687 endif # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
690 # ---------------------------------------------------------------------------
692 HOSTCFLAGS = $(CFLAGS_FOR_BUILD)
695 $(BUILD_DIR)/buildroot-config/%onf:
696 mkdir -p $(@D)/lxdialog
697 $(MAKE) CC="$(HOSTCC_NOCCACHE)" HOSTCC="$(HOSTCC_NOCCACHE)" obj=$(@D) -C $(CONFIG) -f Makefile.br $(@F)
699 DEFCONFIG = $(call qstrip,$(BR2_DEFCONFIG))
701 # We don't want to fully expand BR2_DEFCONFIG here, so Kconfig will
702 # recognize that if it's still at its default $(CONFIG_DIR)/defconfig
703 COMMON_CONFIG_ENV = \
704 BR2_DEFCONFIG='$(call qstrip,$(value BR2_DEFCONFIG))' \
705 KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
706 KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
707 KCONFIG_TRISTATE=$(BUILD_DIR)/buildroot-config/tristate.config \
708 BR2_CONFIG=$(BR2_CONFIG) \
709 BR2_EXTERNAL=$(BR2_EXTERNAL)
711 xconfig: $(BUILD_DIR)/buildroot-config/qconf outputmakefile
712 @mkdir -p $(BUILD_DIR)/buildroot-config
713 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
715 gconfig: $(BUILD_DIR)/buildroot-config/gconf outputmakefile
716 @mkdir -p $(BUILD_DIR)/buildroot-config
717 @$(COMMON_CONFIG_ENV) srctree=$(TOPDIR) $< $(CONFIG_CONFIG_IN)
719 menuconfig: $(BUILD_DIR)/buildroot-config/mconf outputmakefile
720 @mkdir -p $(BUILD_DIR)/buildroot-config
721 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
723 nconfig: $(BUILD_DIR)/buildroot-config/nconf outputmakefile
724 @mkdir -p $(BUILD_DIR)/buildroot-config
725 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
727 config: $(BUILD_DIR)/buildroot-config/conf outputmakefile
728 @mkdir -p $(BUILD_DIR)/buildroot-config
729 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
731 oldconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
732 mkdir -p $(BUILD_DIR)/buildroot-config
733 @$(COMMON_CONFIG_ENV) $< --oldconfig $(CONFIG_CONFIG_IN)
735 randconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
736 @mkdir -p $(BUILD_DIR)/buildroot-config
737 @$(COMMON_CONFIG_ENV) $< --randconfig $(CONFIG_CONFIG_IN)
739 allyesconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
740 @mkdir -p $(BUILD_DIR)/buildroot-config
741 @$(COMMON_CONFIG_ENV) $< --allyesconfig $(CONFIG_CONFIG_IN)
743 allnoconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
744 @mkdir -p $(BUILD_DIR)/buildroot-config
745 @$(COMMON_CONFIG_ENV) $< --allnoconfig $(CONFIG_CONFIG_IN)
747 randpackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
748 @mkdir -p $(BUILD_DIR)/buildroot-config
749 @grep -v BR2_PACKAGE_ $(BR2_CONFIG) > $(CONFIG_DIR)/.config.nopkg
750 @grep '^config BR2_PACKAGE_' Config.in.legacy | \
751 while read config pkg; do \
752 echo "# $$pkg is not set" >> $(CONFIG_DIR)/.config.nopkg; done
753 @$(COMMON_CONFIG_ENV) \
754 KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
755 $< --randconfig $(CONFIG_CONFIG_IN)
756 @rm -f $(CONFIG_DIR)/.config.nopkg
758 allyespackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
759 @mkdir -p $(BUILD_DIR)/buildroot-config
760 @grep -v BR2_PACKAGE_ $(BR2_CONFIG) > $(CONFIG_DIR)/.config.nopkg
761 @grep '^config BR2_PACKAGE_' Config.in.legacy | \
762 while read config pkg; do \
763 echo "# $$pkg is not set" >> $(CONFIG_DIR)/.config.nopkg; done
764 @$(COMMON_CONFIG_ENV) \
765 KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
766 $< --allyesconfig $(CONFIG_CONFIG_IN)
767 @rm -f $(CONFIG_DIR)/.config.nopkg
769 allnopackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
770 @mkdir -p $(BUILD_DIR)/buildroot-config
771 @grep -v BR2_PACKAGE_ $(BR2_CONFIG) > $(CONFIG_DIR)/.config.nopkg
772 @$(COMMON_CONFIG_ENV) \
773 KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
774 $< --allnoconfig $(CONFIG_CONFIG_IN)
775 @rm -f $(CONFIG_DIR)/.config.nopkg
777 silentoldconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
778 @mkdir -p $(BUILD_DIR)/buildroot-config
779 $(COMMON_CONFIG_ENV) $< --silentoldconfig $(CONFIG_CONFIG_IN)
781 olddefconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
782 @mkdir -p $(BUILD_DIR)/buildroot-config
783 $(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN)
785 defconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
786 @mkdir -p $(BUILD_DIR)/buildroot-config
787 @$(COMMON_CONFIG_ENV) $< --defconfig$(if $(DEFCONFIG),=$(DEFCONFIG)) $(CONFIG_CONFIG_IN)
789 %_defconfig: $(BUILD_DIR)/buildroot-config/conf $(TOPDIR)/configs/%_defconfig outputmakefile
790 @mkdir -p $(BUILD_DIR)/buildroot-config
791 @$(COMMON_CONFIG_ENV) $< --defconfig=$(TOPDIR)/configs/$@ $(CONFIG_CONFIG_IN)
793 %_defconfig: $(BUILD_DIR)/buildroot-config/conf $(BR2_EXTERNAL)/configs/%_defconfig outputmakefile
794 @mkdir -p $(BUILD_DIR)/buildroot-config
795 @$(COMMON_CONFIG_ENV) $< --defconfig=$(BR2_EXTERNAL)/configs/$@ $(CONFIG_CONFIG_IN)
797 savedefconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
798 @mkdir -p $(BUILD_DIR)/buildroot-config
799 @$(COMMON_CONFIG_ENV) $< \
800 --savedefconfig=$(if $(DEFCONFIG),$(DEFCONFIG),$(CONFIG_DIR)/defconfig) \
803 # check if download URLs are outdated
805 $(MAKE1) DL_MODE=SOURCE_CHECK $(EXTRAMAKEARGS) source
807 .PHONY: defconfig savedefconfig
809 ################################################################################
811 # Cleanup and misc junk
813 ################################################################################
815 # outputmakefile generates a Makefile in the output directory, if using a
816 # separate output directory. This allows convenient use of make in the
819 ifeq ($(NEED_WRAPPER),y)
820 $(Q)$(TOPDIR)/support/scripts/mkmakefile $(TOPDIR) $(O)
823 # printvars prints all the variables currently defined in our Makefiles
826 $(sort $(.VARIABLES)), \
827 $(if $(filter-out environment% default automatic, \
829 $(info $V=$($V) ($(value $V)))))
832 rm -rf $(TARGET_DIR) $(BINARIES_DIR) $(HOST_DIR) \
833 $(BUILD_DIR) $(BASE_DIR)/staging \
837 ifeq ($(DL_DIR),$(TOPDIR)/dl)
843 rm -rf $(BR2_CONFIG) $(CONFIG_DIR)/.config.old $(CONFIG_DIR)/.auto.deps
847 @echo ' clean - delete all files created by build'
848 @echo ' distclean - delete all non-source files (including .config)'
851 @echo ' all - make world'
852 @echo ' toolchain - build toolchain'
853 @echo ' <package>-rebuild - force recompile <package>'
854 @echo ' <package>-reconfigure - force reconfigure <package>'
855 @echo ' <package>-graph-depends - generate graph of the dependency tree for package'
857 @echo 'Configuration:'
858 @echo ' menuconfig - interactive curses-based configurator'
859 @echo ' nconfig - interactive ncurses-based configurator'
860 @echo ' xconfig - interactive Qt-based configurator'
861 @echo ' gconfig - interactive GTK-based configurator'
862 @echo ' oldconfig - resolve any unresolved symbols in .config'
863 @echo ' silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
864 @echo ' olddefconfig - Same as silentoldconfig but sets new symbols to their default value'
865 @echo ' randconfig - New config with random answer to all options'
866 @echo ' defconfig - New config with default answer to all options'
867 @echo ' BR2_DEFCONFIG, if set, is used as input'
868 @echo ' savedefconfig - Save current config as ./defconfig (minimal config)'
869 @echo ' allyesconfig - New config where all options are accepted with yes'
870 @echo ' allnoconfig - New config where all options are answered with no'
871 @echo ' randpackageconfig - New config with random answer to package options'
872 @echo ' allyespackageconfig - New config where pkg options are accepted with yes'
873 @echo ' allnopackageconfig - New config where package options are answered with no'
874 ifeq ($(BR2_PACKAGE_BUSYBOX),y)
875 @echo ' busybox-menuconfig - Run BusyBox menuconfig'
877 ifeq ($(BR2_LINUX_KERNEL),y)
878 @echo ' linux-menuconfig - Run Linux kernel menuconfig'
879 @echo ' linux-savedefconfig - Run Linux kernel savedefconfig'
881 ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
882 @echo ' uclibc-menuconfig - Run uClibc menuconfig'
884 ifeq ($(BR2_TARGET_BAREBOX),y)
885 @echo ' barebox-menuconfig - Run barebox menuconfig'
886 @echo ' barebox-savedefconfig - Run barebox savedefconfig'
889 @echo 'Documentation:'
890 @echo ' manual - build manual in all formats'
891 @echo ' manual-html - build manual in HTML'
892 @echo ' manual-split-html - build manual in split HTML'
893 @echo ' manual-pdf - build manual in PDF'
894 @echo ' manual-text - build manual in text'
895 @echo ' manual-epub - build manual in ePub'
896 @echo ' graph-build - generate graphs of the build times'
897 @echo ' graph-depends - generate graph of the dependency tree'
899 @echo 'Miscellaneous:'
900 @echo ' source - download all sources needed for offline-build'
901 @echo ' source-check - check selected packages for valid download URLs'
902 @echo ' external-deps - list external packages used'
903 @echo ' legal-info - generate info about license compliance'
905 @echo ' make V=0|1 - 0 => quiet build (default), 1 => verbose build'
906 @echo ' make O=dir - Locate all output files in "dir", including .config'
908 @echo 'Built-in configs:'
909 @$(foreach b, $(sort $(notdir $(wildcard $(TOPDIR)/configs/*_defconfig))), \
910 printf " %-35s - Build for %s\\n" $(b) $(b:_defconfig=);)
911 ifneq ($(wildcard $(BR2_EXTERNAL)/configs/*_defconfig),)
913 @echo 'User-provided configs:'
914 @$(foreach b, $(sort $(notdir $(wildcard $(BR2_EXTERNAL)/configs/*_defconfig))), \
915 printf " %-35s - Build for %s\\n" $(b) $(b:_defconfig=);)
918 @echo 'See docs/README, or generate the Buildroot manual for further details'
921 release: OUT = buildroot-$(BR2_VERSION)
923 # Create release tarballs. We need to fiddle a bit to add the generated
924 # documentation to the git output
926 git archive --format=tar --prefix=$(OUT)/ HEAD > $(OUT).tar
927 $(MAKE) O=$(OUT) manual-html manual-text manual-pdf
928 tar rf $(OUT).tar $(OUT)
929 gzip -9 -c < $(OUT).tar > $(OUT).tar.gz
930 bzip2 -9 -c < $(OUT).tar > $(OUT).tar.bz2
931 rm -rf $(OUT) $(OUT).tar
934 @echo $(BR2_VERSION_FULL)
936 include docs/manual/manual.mk
938 .PHONY: $(noconfig_targets)