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>
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:=2014.02-git
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 $(TOPDIR)/support/scripts/setlocalversion)
58 noconfig_targets:=menuconfig nconfig gconfig xconfig config oldconfig randconfig \
59 defconfig %_defconfig allyesconfig allnoconfig silentoldconfig release \
60 randpackageconfig allyespackageconfig allnopackageconfig \
61 source-check print-version olddefconfig
63 # Strip quotes and then whitespaces
64 qstrip=$(strip $(subst ",,$(1)))
67 # Variables for use in Make constructs
70 space:=$(empty) $(empty)
72 ifneq ("$(origin O)", "command line")
77 # other packages might also support Linux-style out of tree builds
78 # with the O=<dir> syntax (E.G. Busybox does). As make automatically
79 # forwards command line variable definitions those packages get very
80 # confused. Fix this by telling make to not do so
82 # strangely enough O is still passed to submakes with MAKEOVERRIDES
83 # (with make 3.81 atleast), the only thing that changes is the output
84 # of the origin function (command line -> environment).
85 # Unfortunately some packages don't look at origin (E.G. uClibc 0.9.31+)
86 # To really make O go away, we have to override it.
89 # we need to pass O= everywhere we call back into the toplevel makefile
90 EXTRAMAKEARGS = O=$(O)
94 # bash prints the name of the directory on 'cd <dir>' if CDPATH is
95 # set, so unset it here to not cause problems. Notice that the export
96 # line doesn't affect the environment of $(shell ..) calls, so
97 # explictly throw away any output from 'cd' here.
99 BASE_DIR := $(shell mkdir -p $(O) && cd $(O) >/dev/null && pwd)
100 $(if $(BASE_DIR),, $(error output directory "$(O)" does not exist))
103 # Handling of BR2_EXTERNAL.
105 # The value of BR2_EXTERNAL is stored in .br-external in the output directory.
106 # On subsequent invocations of make, it is read in. It can still be overridden
107 # on the command line, therefore the file is re-created every time make is run.
109 # When BR2_EXTERNAL is not set, the .br-external file is removed and we point
110 # to support/dummy-external. This makes sure we can unconditionally include the
111 # Config.in and external.mk from the BR2_EXTERNAL directory. In this case,
112 # override is necessary so the user can clear BR2_EXTERNAL from the command
113 # line, but the dummy path is still used internally.
115 BR2_EXTERNAL_FILE = $(BASE_DIR)/.br-external
116 -include $(BR2_EXTERNAL_FILE)
117 ifeq ($(BR2_EXTERNAL),)
118 override BR2_EXTERNAL = support/dummy-external
119 $(shell rm -f $(BR2_EXTERNAL_FILE))
121 $(shell echo BR2_EXTERNAL ?= $(BR2_EXTERNAL) > $(BR2_EXTERNAL_FILE))
124 # Need that early, before we scan packages
125 # Avoids doing the $(or...) everytime
126 BR2_GRAPH_OUT := $(or $(GRAPH_OUT),pdf)
128 BUILD_DIR:=$(BASE_DIR)/build
129 STAMP_DIR:=$(BASE_DIR)/stamps
130 BINARIES_DIR:=$(BASE_DIR)/images
131 TARGET_DIR:=$(BASE_DIR)/target
132 # initial definition so that 'make clean' works for most users, even without
133 # .config. HOST_DIR will be overwritten later when .config is included.
134 HOST_DIR:=$(BASE_DIR)/host
136 LEGAL_INFO_DIR=$(BASE_DIR)/legal-info
137 REDIST_SOURCES_DIR_TARGET=$(LEGAL_INFO_DIR)/sources
138 REDIST_SOURCES_DIR_HOST=$(LEGAL_INFO_DIR)/host-sources
139 LICENSE_FILES_DIR_TARGET=$(LEGAL_INFO_DIR)/licenses
140 LICENSE_FILES_DIR_HOST=$(LEGAL_INFO_DIR)/host-licenses
141 LEGAL_MANIFEST_CSV_TARGET=$(LEGAL_INFO_DIR)/manifest.csv
142 LEGAL_MANIFEST_CSV_HOST=$(LEGAL_INFO_DIR)/host-manifest.csv
143 LEGAL_LICENSES_TXT_TARGET=$(LEGAL_INFO_DIR)/licenses.txt
144 LEGAL_LICENSES_TXT_HOST=$(LEGAL_INFO_DIR)/host-licenses.txt
145 LEGAL_WARNINGS=$(LEGAL_INFO_DIR)/.warnings
146 LEGAL_REPORT=$(LEGAL_INFO_DIR)/README
148 BUILDROOT_CONFIG=$(CONFIG_DIR)/.config
150 # Pull in the user's configuration file
151 ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
152 -include $(BUILDROOT_CONFIG)
155 # To put more focus on warnings, be less verbose as default
156 # Use 'make V=1' to see the full commands
158 ifeq ("$(origin V)", "command line")
162 ifndef KBUILD_VERBOSE
166 ifeq ($(KBUILD_VERBOSE),1)
177 # we want bash as shell
178 SHELL:=$(shell if [ -x "$$BASH" ]; then echo $$BASH; \
179 else if [ -x /bin/bash ]; then echo /bin/bash; \
180 else echo sh; fi; fi)
182 # kconfig uses CONFIG_SHELL
183 CONFIG_SHELL:=$(SHELL)
185 export SHELL CONFIG_SHELL quiet Q KBUILD_VERBOSE VERBOSE
195 HOSTCC:=$(shell which $(HOSTCC) || type -p $(HOSTCC) || echo gcc)
197 HOSTCC_NOCCACHE:=$(HOSTCC)
200 HOSTCXX:=$(shell which $(HOSTCXX) || type -p $(HOSTCXX) || echo g++)
202 HOSTCXX_NOCCACHE:=$(HOSTCXX)
224 HOSTAR:=$(shell which $(HOSTAR) || type -p $(HOSTAR) || echo ar)
225 HOSTAS:=$(shell which $(HOSTAS) || type -p $(HOSTAS) || echo as)
226 HOSTFC:=$(shell which $(HOSTLD) || type -p $(HOSTLD) || echo || which g77 || type -p g77 || echo gfortran)
227 HOSTCPP:=$(shell which $(HOSTCPP) || type -p $(HOSTCPP) || echo cpp)
228 HOSTLD:=$(shell which $(HOSTLD) || type -p $(HOSTLD) || echo ld)
229 HOSTLN:=$(shell which $(HOSTLN) || type -p $(HOSTLN) || echo ln)
230 HOSTNM:=$(shell which $(HOSTNM) || type -p $(HOSTNM) || echo nm)
231 HOSTOBJCOPY:=$(shell which $(HOSTOBJCOPY) || type -p $(HOSTOBJCOPY) || echo objcopy)
232 HOSTRANLIB:=$(shell which $(HOSTRANLIB) || type -p $(HOSTRANLIB) || echo ranlib)
234 export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTFC HOSTLD
235 export HOSTCC_NOCCACHE HOSTCXX_NOCCACHE
237 # Make sure pkg-config doesn't look outside the buildroot tree
238 unexport PKG_CONFIG_PATH
239 unexport PKG_CONFIG_SYSROOT_DIR
240 unexport PKG_CONFIG_LIBDIR
242 # Having DESTDIR set in the environment confuses the installation
243 # steps of some packages.
246 # Causes breakage with packages that needs host-ruby
249 ifeq ($(BR2_HAVE_DOT_CONFIG),y)
251 ################################################################################
253 # Hide troublesome environment variables from sub processes
255 ################################################################################
256 unexport CROSS_COMPILE
263 unexport GREP_OPTIONS
269 GNU_HOST_NAME:=$(shell support/gnuconfig/config.guess)
271 ################################################################################
273 # The list of stuff to build for the target toolchain
274 # along with the packages to build for the target.
276 ################################################################################
278 BASE_TARGETS = toolchain
282 # silent mode requested?
283 QUIET:=$(if $(findstring s,$(MAKEFLAGS)),-q)
285 # Strip off the annoying quoting
286 ARCH:=$(call qstrip,$(BR2_ARCH))
288 KERNEL_ARCH:=$(shell echo "$(ARCH)" | sed -e "s/-.*//" \
289 -e s/i.86/i386/ -e s/sun4u/sparc64/ \
292 -e s/arm.*/arm/ -e s/sa110/arm/ \
293 -e s/aarch64/arm64/ \
294 -e s/bfin/blackfin/ \
295 -e s/parisc64/parisc/ \
296 -e s/powerpc64/powerpc/ \
297 -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
300 ZCAT:=$(call qstrip,$(BR2_ZCAT))
301 BZCAT:=$(call qstrip,$(BR2_BZCAT))
302 XZCAT:=$(call qstrip,$(BR2_XZCAT))
303 TAR_OPTIONS=$(call qstrip,$(BR2_TAR_OPTIONS)) -xf
305 # packages compiled for the host go here
306 HOST_DIR:=$(call qstrip,$(BR2_HOST_DIR))
308 # locales to generate
309 GENERATE_LOCALE=$(call qstrip,$(BR2_GENERATE_LOCALE))
311 TARGET_SKELETON=$(TOPDIR)/system/skeleton
313 # Location of a file giving a big fat warning that output/target
314 # should not be used as the root filesystem.
315 TARGET_DIR_WARNING_FILE=$(TARGET_DIR)/THIS_IS_NOT_YOUR_ROOT_FILESYSTEM
317 ifeq ($(BR2_CCACHE),y)
318 CCACHE:=$(HOST_DIR)/usr/bin/ccache
319 BUILDROOT_CACHE_DIR = $(call qstrip,$(BR2_CCACHE_DIR))
320 export BUILDROOT_CACHE_DIR
321 HOSTCC := $(CCACHE) $(HOSTCC)
322 HOSTCXX := $(CCACHE) $(HOSTCXX)
325 # Scripts in support/ or post-build scripts may need to reference
326 # these locations, so export them so it is easier to use
327 export BUILDROOT_CONFIG
334 ################################################################################
336 # You should probably leave this stuff alone unless you know
337 # what you are doing.
339 ################################################################################
343 # Include legacy before the other things, because package .mk files
345 ifneq ($(BR2_DEPRECATED),y)
346 include Makefile.legacy
349 include package/Makefile.in
350 include support/dependencies/dependencies.mk
352 # We also need the various per-package makefiles, which also add
353 # each selected package to TARGETS if that package was selected
354 # in the .config file.
355 include toolchain/helpers.mk
356 include toolchain/*/*.mk
358 # Include the package override file if one has been provided in the
360 PACKAGE_OVERRIDE_FILE=$(call qstrip,$(BR2_PACKAGE_OVERRIDE_FILE))
361 ifneq ($(PACKAGE_OVERRIDE_FILE),)
362 -include $(PACKAGE_OVERRIDE_FILE)
365 include $(sort $(wildcard package/*/*.mk))
367 include boot/common.mk
368 include linux/linux.mk
369 include system/system.mk
371 include $(BR2_EXTERNAL)/external.mk
373 TARGETS+=target-finalize
375 ifeq ($(BR2_ENABLE_LOCALE_PURGE),y)
376 TARGETS+=target-purgelocales
379 ifeq ($(BR2_TOOLCHAIN_USES_GLIBC),y)
380 ifneq ($(GENERATE_LOCALE),)
381 TARGETS+=target-generatelocales
385 ifeq ($(BR2_ECLIPSE_REGISTER),y)
386 TARGETS+=toolchain-eclipse-register
391 TARGETS+=target-post-image
393 TARGETS_SOURCE:=$(patsubst %,%-source,$(TARGETS) $(BASE_TARGETS))
394 TARGETS_DIRCLEAN:=$(patsubst %,%-dirclean,$(TARGETS))
395 TARGETS_ALL:=$(patsubst %,__real_tgt_%,$(TARGETS))
397 # host-* dependencies have to be handled specially, as those aren't
398 # visible in Kconfig and hence not added to a variable like TARGETS.
399 # instead, find all the host-* targets listed in each <PKG>_DEPENDENCIES
400 # variable for each enabled target.
401 # Notice: this only works for newstyle gentargets/autotargets packages
402 TARGETS_HOST_DEPS = $(sort $(filter host-%,$(foreach dep,\
403 $(addsuffix _DEPENDENCIES,$(call UPPERCASE,$(TARGETS))),\
405 # Host packages can in turn have their own dependencies. Likewise find
406 # all the package names listed in the HOST_<PKG>_DEPENDENCIES for each
407 # host package found above. Ideally this should be done recursively until
408 # no more packages are found, but that's hard to do in make, so limit to
410 HOST_DEPS = $(sort $(foreach dep,\
411 $(addsuffix _DEPENDENCIES,$(call UPPERCASE,$(TARGETS_HOST_DEPS))),\
413 HOST_SOURCE += $(addsuffix -source,$(sort $(TARGETS_HOST_DEPS) $(HOST_DEPS)))
415 TARGETS_LEGAL_INFO:=$(patsubst %,%-legal-info,\
416 $(TARGETS) $(BASE_TARGETS) $(TARGETS_HOST_DEPS) $(HOST_DEPS))))
418 # all targets depend on the crosscompiler and it's prerequisites
419 $(TARGETS_ALL): __real_tgt_%: $(BASE_TARGETS) %
421 dirs: $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
422 $(HOST_DIR) $(BINARIES_DIR) $(STAMP_DIR)
424 $(BUILD_DIR)/buildroot-config/auto.conf: $(BUILDROOT_CONFIG)
425 $(MAKE1) $(EXTRAMAKEARGS) HOSTCC="$(HOSTCC_NOCCACHE)" HOSTCXX="$(HOSTCXX_NOCCACHE)" silentoldconfig
427 prepare: $(BUILD_DIR)/buildroot-config/auto.conf
429 world: $(BASE_TARGETS) $(TARGETS_ALL)
431 .PHONY: all world toolchain dirs clean distclean source outputmakefile \
432 legal-info legal-info-prepare legal-info-clean printvars \
433 $(BASE_TARGETS) $(TARGETS) $(TARGETS_ALL) \
434 $(TARGETS_DIRCLEAN) $(TARGETS_SOURCE) $(TARGETS_LEGAL_INFO) \
435 $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
436 $(HOST_DIR) $(BINARIES_DIR) $(STAMP_DIR)
438 ################################################################################
440 # staging and target directories do NOT list these as
441 # dependencies anywhere else
443 ################################################################################
444 $(BUILD_DIR) $(HOST_DIR) $(BINARIES_DIR) $(STAMP_DIR) $(LEGAL_INFO_DIR) $(REDIST_SOURCES_DIR_TARGET) $(REDIST_SOURCES_DIR_HOST):
447 # We make a symlink lib32->lib or lib64->lib as appropriate
448 # MIPS64/n32 requires lib32 even though it's a 64-bit arch.
449 ifeq ($(BR2_ARCH_IS_64)$(BR2_MIPS_NABI32),y)
456 @mkdir -p $(STAGING_DIR)/bin
457 @mkdir -p $(STAGING_DIR)/lib
458 @ln -snf lib $(STAGING_DIR)/$(LIB_SYMLINK)
459 @mkdir -p $(STAGING_DIR)/usr/lib
460 @ln -snf lib $(STAGING_DIR)/usr/$(LIB_SYMLINK)
461 @mkdir -p $(STAGING_DIR)/usr/include
462 @mkdir -p $(STAGING_DIR)/usr/bin
463 @ln -snf $(STAGING_DIR) $(BASE_DIR)/staging
465 ifeq ($(BR2_ROOTFS_SKELETON_CUSTOM),y)
466 TARGET_SKELETON=$(BR2_ROOTFS_SKELETON_CUSTOM_PATH)
469 RSYNC_VCS_EXCLUSIONS = \
470 --exclude .svn --exclude .git --exclude .hg --exclude .bzr \
474 mkdir -p $(TARGET_DIR)
475 rsync -a $(RSYNC_VCS_EXCLUSIONS) \
476 --chmod=Du+w --exclude .empty --exclude '*~' \
477 $(TARGET_SKELETON)/ $(TARGET_DIR)/
478 $(INSTALL) -m 0644 support/misc/target-dir-warning.txt $(TARGET_DIR_WARNING_FILE)
479 @ln -snf lib $(TARGET_DIR)/$(LIB_SYMLINK)
480 @mkdir -p $(TARGET_DIR)/usr
481 @ln -snf lib $(TARGET_DIR)/usr/$(LIB_SYMLINK)
484 $(TARGET_DIR): $(BUILD_DIR)/.root
486 STRIP_FIND_CMD = find $(TARGET_DIR)
487 ifneq (,$(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS)))
488 STRIP_FIND_CMD += \( $(call finddirclauses,$(TARGET_DIR),$(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS))) \) -prune -o
490 STRIP_FIND_CMD += -type f -perm /111
491 STRIP_FIND_CMD += -not \( $(call findfileclauses,libpthread*.so* $(call qstrip,$(BR2_STRIP_EXCLUDE_FILES))) \) -print
494 rm -rf $(TARGET_DIR)/usr/include $(TARGET_DIR)/usr/share/aclocal \
495 $(TARGET_DIR)/usr/lib/pkgconfig $(TARGET_DIR)/usr/share/pkgconfig \
496 $(TARGET_DIR)/usr/lib/cmake $(TARGET_DIR)/usr/share/cmake
497 find $(TARGET_DIR)/usr/{lib,share}/ -name '*.cmake' -print0 | xargs -0 rm -f
498 find $(TARGET_DIR)/lib \( -name '*.a' -o -name '*.la' \) -print0 | xargs -0 rm -f
499 find $(TARGET_DIR)/usr/lib \( -name '*.a' -o -name '*.la' \) -print0 | xargs -0 rm -f
500 ifneq ($(BR2_PACKAGE_GDB),y)
501 rm -rf $(TARGET_DIR)/usr/share/gdb
503 ifneq ($(BR2_HAVE_DOCUMENTATION),y)
504 rm -rf $(TARGET_DIR)/usr/man $(TARGET_DIR)/usr/share/man
505 rm -rf $(TARGET_DIR)/usr/info $(TARGET_DIR)/usr/share/info
506 rm -rf $(TARGET_DIR)/usr/doc $(TARGET_DIR)/usr/share/doc
507 rm -rf $(TARGET_DIR)/usr/share/gtk-doc
508 -rmdir $(TARGET_DIR)/usr/share 2>/dev/null
510 ifeq ($(BR2_PACKAGE_PYTHON_PY_ONLY),y)
511 find $(TARGET_DIR)/usr/lib/ -name '*.pyc' -print0 | xargs -0 rm -f
513 ifeq ($(BR2_PACKAGE_PYTHON_PYC_ONLY),y)
514 find $(TARGET_DIR)/usr/lib/ -name '*.py' -print0 | xargs -0 rm -f
516 rm -rf $(TARGET_DIR)/usr/lib/luarocks
517 $(STRIP_FIND_CMD) | xargs $(STRIPCMD) 2>/dev/null || true
518 if test -d $(TARGET_DIR)/lib/modules; then \
519 find $(TARGET_DIR)/lib/modules -type f -name '*.ko' | \
520 xargs -r $(KSTRIPCMD); fi
522 # See http://sourceware.org/gdb/wiki/FAQ, "GDB does not see any threads
523 # besides the one in which crash occurred; or SIGTRAP kills my program when
524 # I set a breakpoint"
525 ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
526 find $(TARGET_DIR)/lib -type f -name 'libpthread*.so*' | \
527 xargs -r $(STRIPCMD) $(STRIP_STRIP_DEBUG)
530 mkdir -p $(TARGET_DIR)/etc
531 # Mandatory configuration file and auxilliary cache directory
532 # for recent versions of ldconfig
533 touch $(TARGET_DIR)/etc/ld.so.conf
534 mkdir -p $(TARGET_DIR)/var/cache/ldconfig
535 if [ -x "$(TARGET_CROSS)ldconfig" ]; \
537 $(TARGET_CROSS)ldconfig -r $(TARGET_DIR); \
539 /sbin/ldconfig -r $(TARGET_DIR); \
542 echo "NAME=Buildroot"; \
543 echo "VERSION=$(BR2_VERSION_FULL)"; \
544 echo "ID=buildroot"; \
545 echo "VERSION_ID=$(BR2_VERSION)"; \
546 echo "PRETTY_NAME=\"Buildroot $(BR2_VERSION)\"" \
547 ) > $(TARGET_DIR)/etc/os-release
549 @$(foreach d, $(call qstrip,$(BR2_ROOTFS_OVERLAY)), \
550 $(call MESSAGE,"Copying overlay $(d)"); \
551 rsync -a $(RSYNC_VCS_EXCLUSIONS) \
552 --chmod=Du+w --exclude .empty --exclude '*~' \
553 $(d)/ $(TARGET_DIR)$(sep))
555 @$(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_BUILD_SCRIPT)), \
556 $(call MESSAGE,"Executing post-build script $(s)"); \
557 $(USER_HOOKS_EXTRA_ENV) $(s) $(TARGET_DIR) $(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS))$(sep))
559 ifeq ($(BR2_ENABLE_LOCALE_PURGE),y)
560 LOCALE_WHITELIST=$(BUILD_DIR)/locales.nopurge
561 LOCALE_NOPURGE=$(call qstrip,$(BR2_ENABLE_LOCALE_WHITELIST))
564 rm -f $(LOCALE_WHITELIST)
565 for i in $(LOCALE_NOPURGE); do echo $$i >> $(LOCALE_WHITELIST); done
567 for dir in $(wildcard $(addprefix $(TARGET_DIR),/usr/share/locale /usr/share/X11/locale /usr/man /usr/share/man /usr/lib/locale)); \
569 for lang in $$(cd $$dir; ls .|grep -v man); \
571 grep -qx $$lang $(LOCALE_WHITELIST) || rm -rf $$dir/$$lang; \
576 ifneq ($(GENERATE_LOCALE),)
577 # Generate locale data. Basically, we call the localedef program
578 # (built by the host-localedef package) for each locale. The input
579 # data comes preferably from the toolchain, or if the toolchain does
580 # not have them (Linaro toolchains), we use the ones available on the
582 target-generatelocales: host-localedef
583 $(Q)mkdir -p $(TARGET_DIR)/usr/lib/locale/
584 $(Q)for locale in $(GENERATE_LOCALE) ; do \
585 inputfile=`echo $${locale} | cut -f1 -d'.'` ; \
586 charmap=`echo $${locale} | cut -f2 -d'.' -s` ; \
587 if test -z "$${charmap}" ; then \
590 echo "Generating locale $${inputfile}.$${charmap}" ; \
591 I18NPATH=$(STAGING_DIR)/usr/share/i18n:/usr/share/i18n \
592 $(HOST_DIR)/usr/bin/localedef \
593 --prefix=$(TARGET_DIR) \
594 --$(call LOWERCASE,$(BR2_ENDIAN))-endian \
595 -i $${inputfile} -f $${charmap} \
601 @$(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_IMAGE_SCRIPT)), \
602 $(call MESSAGE,"Executing post-image script $(s)"); \
603 $(USER_HOOKS_EXTRA_ENV) $(s) $(BINARIES_DIR) $(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS))$(sep))
605 toolchain-eclipse-register:
606 ./support/scripts/eclipse-register-toolchain `readlink -f $(O)` $(notdir $(TARGET_CROSS)) $(BR2_ARCH)
608 source: dirs $(TARGETS_SOURCE) $(HOST_SOURCE)
611 @$(MAKE1) -Bs DL_MODE=SHOW_EXTERNAL_DEPS $(EXTRAMAKEARGS) source | sort -u
614 @rm -fr $(LEGAL_INFO_DIR)
616 legal-info-prepare: $(LEGAL_INFO_DIR)
617 @$(call MESSAGE,"Collecting legal info")
618 @$(call legal-license-file,buildroot,COPYING,COPYING,HOST)
619 @$(call legal-manifest,PACKAGE,VERSION,LICENSE,LICENSE FILES,SOURCE ARCHIVE,TARGET)
620 @$(call legal-manifest,PACKAGE,VERSION,LICENSE,LICENSE FILES,SOURCE ARCHIVE,HOST)
621 @$(call legal-manifest,buildroot,$(BR2_VERSION_FULL),GPLv2+,COPYING,not saved,HOST)
622 @$(call legal-warning,the Buildroot source code has not been saved)
623 @$(call legal-warning,the toolchain has not been saved)
624 @cp $(BUILDROOT_CONFIG) $(LEGAL_INFO_DIR)/buildroot.config
626 legal-info: dirs legal-info-clean legal-info-prepare $(TARGETS_LEGAL_INFO) \
627 $(REDIST_SOURCES_DIR_TARGET) $(REDIST_SOURCES_DIR_HOST)
628 @cat support/legal-info/README.header >>$(LEGAL_REPORT)
629 @if [ -r $(LEGAL_WARNINGS) ]; then \
630 cat support/legal-info/README.warnings-header \
631 $(LEGAL_WARNINGS) >>$(LEGAL_REPORT); \
632 cat $(LEGAL_WARNINGS); fi
633 @echo "Legal info produced in $(LEGAL_INFO_DIR)"
634 @rm -f $(LEGAL_WARNINGS)
639 graph-build: $(O)/build/build-time.log
640 @install -d $(O)/graphs
641 $(foreach o,name build duration,./support/scripts/graph-build-time \
642 --type=histogram --order=$(o) --input=$(<) \
643 --output=$(O)/graphs/build.hist-$(o).$(BR2_GRAPH_OUT) \
644 $(if $(GRAPH_ALT),--alternate-colors)$(sep))
645 $(foreach t,packages steps,./support/scripts/graph-build-time \
646 --type=pie-$(t) --input=$(<) \
647 --output=$(O)/graphs/build.pie-$(t).$(BR2_GRAPH_OUT) \
648 $(if $(GRAPH_ALT),--alternate-colors)$(sep))
651 @$(INSTALL) -d $(O)/graphs
652 @cd "$(CONFIG_DIR)"; \
653 $(TOPDIR)/support/scripts/graph-depends \
654 |dot -T$(BR2_GRAPH_OUT) -o $(O)/graphs/$(@).$(BR2_GRAPH_OUT)
656 else # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
660 endif # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
663 # ---------------------------------------------------------------------------
665 HOSTCFLAGS=$(CFLAGS_FOR_BUILD)
668 $(BUILD_DIR)/buildroot-config/%onf:
669 mkdir -p $(@D)/lxdialog
670 $(MAKE) CC="$(HOSTCC_NOCCACHE)" HOSTCC="$(HOSTCC_NOCCACHE)" obj=$(@D) -C $(CONFIG) -f Makefile.br $(@F)
672 DEFCONFIG = $(call qstrip,$(BR2_DEFCONFIG))
674 # We don't want to fully expand BR2_DEFCONFIG here, so Kconfig will
675 # recognize that if it's still at its default $(CONFIG_DIR)/defconfig
676 COMMON_CONFIG_ENV = \
677 BR2_DEFCONFIG='$(call qstrip,$(value BR2_DEFCONFIG))' \
678 KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
679 KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
680 KCONFIG_TRISTATE=$(BUILD_DIR)/buildroot-config/tristate.config \
681 BUILDROOT_CONFIG=$(BUILDROOT_CONFIG) \
682 BR2_EXTERNAL=$(BR2_EXTERNAL)
684 xconfig: $(BUILD_DIR)/buildroot-config/qconf outputmakefile
685 @mkdir -p $(BUILD_DIR)/buildroot-config
686 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
688 gconfig: $(BUILD_DIR)/buildroot-config/gconf outputmakefile
689 @mkdir -p $(BUILD_DIR)/buildroot-config
690 @$(COMMON_CONFIG_ENV) srctree=$(TOPDIR) $< $(CONFIG_CONFIG_IN)
692 menuconfig: $(BUILD_DIR)/buildroot-config/mconf outputmakefile
693 @mkdir -p $(BUILD_DIR)/buildroot-config
694 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
696 nconfig: $(BUILD_DIR)/buildroot-config/nconf outputmakefile
697 @mkdir -p $(BUILD_DIR)/buildroot-config
698 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
700 config: $(BUILD_DIR)/buildroot-config/conf outputmakefile
701 @mkdir -p $(BUILD_DIR)/buildroot-config
702 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
704 oldconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
705 mkdir -p $(BUILD_DIR)/buildroot-config
706 @$(COMMON_CONFIG_ENV) $< --oldconfig $(CONFIG_CONFIG_IN)
708 randconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
709 @mkdir -p $(BUILD_DIR)/buildroot-config
710 @$(COMMON_CONFIG_ENV) $< --randconfig $(CONFIG_CONFIG_IN)
712 allyesconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
713 @mkdir -p $(BUILD_DIR)/buildroot-config
714 @$(COMMON_CONFIG_ENV) $< --allyesconfig $(CONFIG_CONFIG_IN)
716 allnoconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
717 @mkdir -p $(BUILD_DIR)/buildroot-config
718 @$(COMMON_CONFIG_ENV) $< --allnoconfig $(CONFIG_CONFIG_IN)
720 randpackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
721 @mkdir -p $(BUILD_DIR)/buildroot-config
722 @grep -v BR2_PACKAGE_ $(BUILDROOT_CONFIG) > $(CONFIG_DIR)/.config.nopkg
723 @grep '^config BR2_PACKAGE_' Config.in.legacy | \
724 while read config pkg; do \
725 echo "# $$pkg is not set" >> $(CONFIG_DIR)/.config.nopkg; done
726 @$(COMMON_CONFIG_ENV) \
727 KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
728 $< --randconfig $(CONFIG_CONFIG_IN)
729 @rm -f $(CONFIG_DIR)/.config.nopkg
731 allyespackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
732 @mkdir -p $(BUILD_DIR)/buildroot-config
733 @grep -v BR2_PACKAGE_ $(BUILDROOT_CONFIG) > $(CONFIG_DIR)/.config.nopkg
734 @grep '^config BR2_PACKAGE_' Config.in.legacy | \
735 while read config pkg; do \
736 echo "# $$pkg is not set" >> $(CONFIG_DIR)/.config.nopkg; done
737 @$(COMMON_CONFIG_ENV) \
738 KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
739 $< --allyesconfig $(CONFIG_CONFIG_IN)
740 @rm -f $(CONFIG_DIR)/.config.nopkg
742 allnopackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
743 @mkdir -p $(BUILD_DIR)/buildroot-config
744 @grep -v BR2_PACKAGE_ $(BUILDROOT_CONFIG) > $(CONFIG_DIR)/.config.nopkg
745 @$(COMMON_CONFIG_ENV) \
746 KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
747 $< --allnoconfig $(CONFIG_CONFIG_IN)
748 @rm -f $(CONFIG_DIR)/.config.nopkg
750 silentoldconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
751 @mkdir -p $(BUILD_DIR)/buildroot-config
752 $(COMMON_CONFIG_ENV) $< --silentoldconfig $(CONFIG_CONFIG_IN)
754 olddefconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
755 @mkdir -p $(BUILD_DIR)/buildroot-config
756 $(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN)
758 defconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
759 @mkdir -p $(BUILD_DIR)/buildroot-config
760 @$(COMMON_CONFIG_ENV) $< --defconfig$(if $(DEFCONFIG),=$(DEFCONFIG)) $(CONFIG_CONFIG_IN)
762 %_defconfig: $(BUILD_DIR)/buildroot-config/conf $(TOPDIR)/configs/%_defconfig outputmakefile
763 @mkdir -p $(BUILD_DIR)/buildroot-config
764 @$(COMMON_CONFIG_ENV) $< --defconfig=$(TOPDIR)/configs/$@ $(CONFIG_CONFIG_IN)
766 %_defconfig: $(BUILD_DIR)/buildroot-config/conf $(BR2_EXTERNAL)/configs/%_defconfig outputmakefile
767 @mkdir -p $(BUILD_DIR)/buildroot-config
768 @$(COMMON_CONFIG_ENV) $< --defconfig=$(BR2_EXTERNAL)/configs/$@ $(CONFIG_CONFIG_IN)
770 savedefconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
771 @mkdir -p $(BUILD_DIR)/buildroot-config
772 @$(COMMON_CONFIG_ENV) $< \
773 --savedefconfig=$(if $(DEFCONFIG),$(DEFCONFIG),$(CONFIG_DIR)/defconfig) \
776 # check if download URLs are outdated
778 $(MAKE1) DL_MODE=SOURCE_CHECK $(EXTRAMAKEARGS) source
780 .PHONY: defconfig savedefconfig
782 ################################################################################
784 # Cleanup and misc junk
786 ################################################################################
788 # outputmakefile generates a Makefile in the output directory, if using a
789 # separate output directory. This allows convenient use of make in the
792 ifeq ($(NEED_WRAPPER),y)
793 $(Q)$(TOPDIR)/support/scripts/mkmakefile $(TOPDIR) $(O)
796 # printvars prints all the variables currently defined in our Makefiles
799 $(sort $(.VARIABLES)), \
800 $(if $(filter-out environment% default automatic, \
802 $(info $V=$($V) ($(value $V)))))
805 rm -rf $(TARGET_DIR) $(BINARIES_DIR) $(HOST_DIR) \
806 $(STAMP_DIR) $(BUILD_DIR) $(BASE_DIR)/staging \
810 ifeq ($(DL_DIR),$(TOPDIR)/dl)
816 rm -rf $(BUILDROOT_CONFIG) $(CONFIG_DIR)/.config.old $(CONFIG_DIR)/.auto.deps
820 @echo ' clean - delete all files created by build'
821 @echo ' distclean - delete all non-source files (including .config)'
824 @echo ' all - make world'
825 @echo ' toolchain - build toolchain'
826 @echo ' <package>-rebuild - force recompile <package>'
827 @echo ' <package>-reconfigure - force reconfigure <package>'
828 @echo ' <package>-graph-depends - generate graph of the dependency tree for package'
830 @echo 'Configuration:'
831 @echo ' menuconfig - interactive curses-based configurator'
832 @echo ' nconfig - interactive ncurses-based configurator'
833 @echo ' xconfig - interactive Qt-based configurator'
834 @echo ' gconfig - interactive GTK-based configurator'
835 @echo ' oldconfig - resolve any unresolved symbols in .config'
836 @echo ' silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
837 @echo ' olddefconfig - Same as silentoldconfig but sets new symbols to their default value'
838 @echo ' randconfig - New config with random answer to all options'
839 @echo ' defconfig - New config with default answer to all options'
840 @echo ' BR2_DEFCONFIG, if set, is used as input'
841 @echo ' savedefconfig - Save current config as ./defconfig (minimal config)'
842 @echo ' allyesconfig - New config where all options are accepted with yes'
843 @echo ' allnoconfig - New config where all options are answered with no'
844 @echo ' randpackageconfig - New config with random answer to package options'
845 @echo ' allyespackageconfig - New config where pkg options are accepted with yes'
846 @echo ' allnopackageconfig - New config where package options are answered with no'
847 ifeq ($(BR2_PACKAGE_BUSYBOX),y)
848 @echo ' busybox-menuconfig - Run BusyBox menuconfig'
850 ifeq ($(BR2_LINUX_KERNEL),y)
851 @echo ' linux-menuconfig - Run Linux kernel menuconfig'
852 @echo ' linux-savedefconfig - Run Linux kernel savedefconfig'
854 ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
855 @echo ' uclibc-menuconfig - Run uClibc menuconfig'
857 ifeq ($(BR2_TARGET_BAREBOX),y)
858 @echo ' barebox-menuconfig - Run barebox menuconfig'
859 @echo ' barebox-savedefconfig - Run barebox savedefconfig'
862 @echo 'Documentation:'
863 @echo ' manual - build manual in all formats'
864 @echo ' manual-html - build manual in HTML'
865 @echo ' manual-split-html - build manual in split HTML'
866 @echo ' manual-pdf - build manual in PDF'
867 @echo ' manual-text - build manual in text'
868 @echo ' manual-epub - build manual in ePub'
869 @echo ' graph-build - generate graphs of the build times'
870 @echo ' graph-depends - generate graph of the dependency tree'
872 @echo 'Miscellaneous:'
873 @echo ' source - download all sources needed for offline-build'
874 @echo ' source-check - check selected packages for valid download URLs'
875 @echo ' external-deps - list external packages used'
876 @echo ' legal-info - generate info about license compliance'
878 @echo ' make V=0|1 - 0 => quiet build (default), 1 => verbose build'
879 @echo ' make O=dir - Locate all output files in "dir", including .config'
881 @echo 'Built-in configs:'
882 @$(foreach b, $(sort $(notdir $(wildcard $(TOPDIR)/configs/*_defconfig))), \
883 printf " %-35s - Build for %s\\n" $(b) $(b:_defconfig=);)
884 ifneq ($(wildcard $(BR2_EXTERNAL)/configs/*_defconfig),)
886 @echo 'User-provided configs:'
887 @$(foreach b, $(sort $(notdir $(wildcard $(BR2_EXTERNAL)/configs/*_defconfig))), \
888 printf " %-35s - Build for %s\\n" $(b) $(b:_defconfig=);)
891 @echo 'See docs/README, or generate the Buildroot manual for further details'
894 release: OUT=buildroot-$(BR2_VERSION)
896 # Create release tarballs. We need to fiddle a bit to add the generated
897 # documentation to the git output
899 git archive --format=tar --prefix=$(OUT)/ HEAD > $(OUT).tar
900 $(MAKE) O=$(OUT) manual-html manual-text manual-pdf
901 tar rf $(OUT).tar $(OUT)
902 gzip -9 -c < $(OUT).tar > $(OUT).tar.gz
903 bzip2 -9 -c < $(OUT).tar > $(OUT).tar.bz2
904 rm -rf $(OUT) $(OUT).tar
907 @echo $(BR2_VERSION_FULL)
909 include docs/manual/manual.mk
911 .PHONY: $(noconfig_targets)