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[buildroot-gz.git] / Makefile
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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 # Trick for always running with a fixed umask
28 UMASK = 0022
29 ifneq ($(shell umask),$(UMASK))
30 .PHONY: _all $(MAKECMDGOALS)
32 $(MAKECMDGOALS): _all
35 _all:
36 @umask $(UMASK) && $(MAKE) --no-print-directory $(MAKECMDGOALS)
38 else # umask
40 # This is our default rule, so must come first
41 all:
43 # Set and export the version string
44 export BR2_VERSION := 2015.11-git
46 # Save running make version since it's clobbered by the make package
47 RUNNING_MAKE_VERSION := $(MAKE_VERSION)
49 # Check for minimal make version (note: this check will break at make 10.x)
50 MIN_MAKE_VERSION = 3.81
51 ifneq ($(firstword $(sort $(RUNNING_MAKE_VERSION) $(MIN_MAKE_VERSION))),$(MIN_MAKE_VERSION))
52 $(error You have make '$(RUNNING_MAKE_VERSION)' installed. GNU make >= $(MIN_MAKE_VERSION) is required)
53 endif
55 export HOSTARCH := $(shell uname -m | \
56 sed -e s/i.86/x86/ \
57 -e s/sun4u/sparc64/ \
58 -e s/arm.*/arm/ \
59 -e s/sa110/arm/ \
60 -e s/ppc64/powerpc64/ \
61 -e s/ppc/powerpc/ \
62 -e s/macppc/powerpc/\
63 -e s/sh.*/sh/)
65 # Parallel execution of this Makefile is disabled because it changes
66 # the packages building order, that can be a problem for two reasons:
67 # - If a package has an unspecified optional dependency and that
68 # dependency is present when the package is built, it is used,
69 # otherwise it isn't (but compilation happily proceeds) so the end
70 # result will differ if the order is swapped due to parallel
71 # building.
72 # - Also changing the building order can be a problem if two packages
73 # manipulate the same file in the target directory.
75 # Taking into account the above considerations, if you still want to execute
76 # this top-level Makefile in parallel comment the ".NOTPARALLEL" line and
77 # use the -j<jobs> option when building, e.g:
78 # make -j$((`getconf _NPROCESSORS_ONLN`+1))
79 .NOTPARALLEL:
81 # absolute path
82 TOPDIR := $(shell pwd)
83 CONFIG_CONFIG_IN = Config.in
84 CONFIG = support/kconfig
85 DATE := $(shell date +%Y%m%d)
87 # Compute the full local version string so packages can use it as-is
88 # Need to export it, so it can be got from environment in children (eg. mconf)
89 export BR2_VERSION_FULL := $(BR2_VERSION)$(shell $(TOPDIR)/support/scripts/setlocalversion)
91 noconfig_targets := menuconfig nconfig gconfig xconfig config oldconfig randconfig \
92 defconfig %_defconfig allyesconfig allnoconfig silentoldconfig release \
93 randpackageconfig allyespackageconfig allnopackageconfig \
94 print-version olddefconfig
96 # Some global targets do not trigger a build, but are used to collect
97 # metadata, or do various checks. When such targets are triggered,
98 # some packages should not do their configuration sanity
99 # checks. Provide them a BR_BUILDING variable set to 'y' when we're
100 # actually building and they should do their sanity checks.
102 # We're building in two situations: when MAKECMDGOALS is empty
103 # (default target is to build), or when MAKECMDGOALS contains
104 # something else than one of the nobuild_targets.
105 nobuild_targets := source source-check \
106 legal-info external-deps _external-deps \
107 clean distclean
108 ifeq ($(MAKECMDGOALS),)
109 BR_BUILDING = y
110 else ifneq ($(filter-out $(nobuild_targets),$(MAKECMDGOALS)),)
111 BR_BUILDING = y
112 endif
114 # Strip quotes and then whitespaces
115 qstrip = $(strip $(subst ",,$(1)))
116 #"))
118 # Variables for use in Make constructs
119 comma := ,
120 empty :=
121 space := $(empty) $(empty)
123 ifneq ("$(origin O)", "command line")
124 O := output
125 CONFIG_DIR := $(TOPDIR)
126 NEED_WRAPPER =
127 else
128 # other packages might also support Linux-style out of tree builds
129 # with the O=<dir> syntax (E.G. BusyBox does). As make automatically
130 # forwards command line variable definitions those packages get very
131 # confused. Fix this by telling make to not do so
132 MAKEOVERRIDES =
133 # strangely enough O is still passed to submakes with MAKEOVERRIDES
134 # (with make 3.81 atleast), the only thing that changes is the output
135 # of the origin function (command line -> environment).
136 # Unfortunately some packages don't look at origin (E.G. uClibc 0.9.31+)
137 # To really make O go away, we have to override it.
138 override O := $(O)
139 CONFIG_DIR := $(O)
140 # we need to pass O= everywhere we call back into the toplevel makefile
141 EXTRAMAKEARGS = O=$(O)
142 NEED_WRAPPER = y
143 endif
145 # bash prints the name of the directory on 'cd <dir>' if CDPATH is
146 # set, so unset it here to not cause problems. Notice that the export
147 # line doesn't affect the environment of $(shell ..) calls, so
148 # explictly throw away any output from 'cd' here.
149 export CDPATH :=
150 BASE_DIR := $(shell mkdir -p $(O) && cd $(O) >/dev/null && pwd)
151 $(if $(BASE_DIR),, $(error output directory "$(O)" does not exist))
154 # Handling of BR2_EXTERNAL.
156 # The value of BR2_EXTERNAL is stored in .br-external in the output directory.
157 # On subsequent invocations of make, it is read in. It can still be overridden
158 # on the command line, therefore the file is re-created every time make is run.
160 # When BR2_EXTERNAL is set to an empty value (e.g. explicitly in command
161 # line), the .br-external file is removed and we point to
162 # support/dummy-external. This makes sure we can unconditionally include the
163 # Config.in and external.mk from the BR2_EXTERNAL directory. In this case,
164 # override is necessary so the user can clear BR2_EXTERNAL from the command
165 # line, but the dummy path is still used internally.
167 BR2_EXTERNAL_FILE = $(BASE_DIR)/.br-external
168 -include $(BR2_EXTERNAL_FILE)
169 ifeq ($(BR2_EXTERNAL),)
170 override BR2_EXTERNAL = support/dummy-external
171 $(shell rm -f $(BR2_EXTERNAL_FILE))
172 else
173 _BR2_EXTERNAL = $(shell cd $(BR2_EXTERNAL) >/dev/null 2>&1 && pwd)
174 ifeq ($(_BR2_EXTERNAL),)
175 $(error BR2_EXTERNAL='$(BR2_EXTERNAL)' does not exist, relative to $(TOPDIR))
176 endif
177 override BR2_EXTERNAL := $(_BR2_EXTERNAL)
178 $(shell echo BR2_EXTERNAL ?= $(BR2_EXTERNAL) > $(BR2_EXTERNAL_FILE))
179 endif
181 # To make sure that the environment variable overrides the .config option,
182 # set this before including .config.
183 ifneq ($(BR2_DL_DIR),)
184 DL_DIR := $(BR2_DL_DIR)
185 endif
188 # Need that early, before we scan packages
189 # Avoids doing the $(or...) everytime
190 BR_GRAPH_OUT := $(or $(BR2_GRAPH_OUT),pdf)
192 BUILD_DIR := $(BASE_DIR)/build
193 BINARIES_DIR := $(BASE_DIR)/images
194 TARGET_DIR := $(BASE_DIR)/target
195 # initial definition so that 'make clean' works for most users, even without
196 # .config. HOST_DIR will be overwritten later when .config is included.
197 HOST_DIR := $(BASE_DIR)/host
198 GRAPHS_DIR := $(BASE_DIR)/graphs
200 LEGAL_INFO_DIR = $(BASE_DIR)/legal-info
201 REDIST_SOURCES_DIR_TARGET = $(LEGAL_INFO_DIR)/sources
202 REDIST_SOURCES_DIR_HOST = $(LEGAL_INFO_DIR)/host-sources
203 LICENSE_FILES_DIR_TARGET = $(LEGAL_INFO_DIR)/licenses
204 LICENSE_FILES_DIR_HOST = $(LEGAL_INFO_DIR)/host-licenses
205 LEGAL_MANIFEST_CSV_TARGET = $(LEGAL_INFO_DIR)/manifest.csv
206 LEGAL_MANIFEST_CSV_HOST = $(LEGAL_INFO_DIR)/host-manifest.csv
207 LEGAL_LICENSES_TXT_TARGET = $(LEGAL_INFO_DIR)/licenses.txt
208 LEGAL_LICENSES_TXT_HOST = $(LEGAL_INFO_DIR)/host-licenses.txt
209 LEGAL_WARNINGS = $(LEGAL_INFO_DIR)/.warnings
210 LEGAL_REPORT = $(LEGAL_INFO_DIR)/README
212 BR2_CONFIG = $(CONFIG_DIR)/.config
214 # Pull in the user's configuration file
215 ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
216 -include $(BR2_CONFIG)
217 endif
219 # To put more focus on warnings, be less verbose as default
220 # Use 'make V=1' to see the full commands
221 ifeq ("$(origin V)", "command line")
222 KBUILD_VERBOSE = $(V)
223 endif
224 ifndef KBUILD_VERBOSE
225 KBUILD_VERBOSE = 0
226 endif
228 ifeq ($(KBUILD_VERBOSE),1)
229 quiet =
231 ifndef VERBOSE
232 VERBOSE = 1
233 endif
234 export VERBOSE
235 else
236 quiet = quiet_
237 Q = @
238 endif
240 # we want bash as shell
241 SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
242 else if [ -x /bin/bash ]; then echo /bin/bash; \
243 else echo sh; fi; fi)
245 # kconfig uses CONFIG_SHELL
246 CONFIG_SHELL := $(SHELL)
248 export SHELL CONFIG_SHELL quiet Q KBUILD_VERBOSE
250 ifndef HOSTAR
251 HOSTAR := ar
252 endif
253 ifndef HOSTAS
254 HOSTAS := as
255 endif
256 ifndef HOSTCC
257 HOSTCC := gcc
258 HOSTCC := $(shell which $(HOSTCC) || type -p $(HOSTCC) || echo gcc)
259 endif
260 HOSTCC_NOCCACHE := $(HOSTCC)
261 ifndef HOSTCXX
262 HOSTCXX := g++
263 HOSTCXX := $(shell which $(HOSTCXX) || type -p $(HOSTCXX) || echo g++)
264 endif
265 HOSTCXX_NOCCACHE := $(HOSTCXX)
266 ifndef HOSTCPP
267 HOSTCPP := cpp
268 endif
269 ifndef HOSTLD
270 HOSTLD := ld
271 endif
272 ifndef HOSTLN
273 HOSTLN := ln
274 endif
275 ifndef HOSTNM
276 HOSTNM := nm
277 endif
278 ifndef HOSTOBJCOPY
279 HOSTOBJCOPY := objcopy
280 endif
281 ifndef HOSTRANLIB
282 HOSTRANLIB := ranlib
283 endif
284 HOSTAR := $(shell which $(HOSTAR) || type -p $(HOSTAR) || echo ar)
285 HOSTAS := $(shell which $(HOSTAS) || type -p $(HOSTAS) || echo as)
286 HOSTCPP := $(shell which $(HOSTCPP) || type -p $(HOSTCPP) || echo cpp)
287 HOSTLD := $(shell which $(HOSTLD) || type -p $(HOSTLD) || echo ld)
288 HOSTLN := $(shell which $(HOSTLN) || type -p $(HOSTLN) || echo ln)
289 HOSTNM := $(shell which $(HOSTNM) || type -p $(HOSTNM) || echo nm)
290 HOSTOBJCOPY := $(shell which $(HOSTOBJCOPY) || type -p $(HOSTOBJCOPY) || echo objcopy)
291 HOSTRANLIB := $(shell which $(HOSTRANLIB) || type -p $(HOSTRANLIB) || echo ranlib)
293 export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTLD
294 export HOSTCC_NOCCACHE HOSTCXX_NOCCACHE
296 # Make sure pkg-config doesn't look outside the buildroot tree
297 HOST_PKG_CONFIG_PATH := $(PKG_CONFIG_PATH)
298 unexport PKG_CONFIG_PATH
299 unexport PKG_CONFIG_SYSROOT_DIR
300 unexport PKG_CONFIG_LIBDIR
302 # Having DESTDIR set in the environment confuses the installation
303 # steps of some packages.
304 unexport DESTDIR
306 # Causes breakage with packages that needs host-ruby
307 unexport RUBYOPT
309 include package/pkg-utils.mk
310 include package/doc-asciidoc.mk
312 ifeq ($(BR2_HAVE_DOT_CONFIG),y)
314 ################################################################################
316 # Hide troublesome environment variables from sub processes
318 ################################################################################
319 unexport CROSS_COMPILE
320 unexport ARCH
321 unexport CC
322 unexport CXX
323 unexport CPP
324 unexport CFLAGS
325 unexport CXXFLAGS
326 unexport GREP_OPTIONS
327 unexport TAR_OPTIONS
328 unexport CONFIG_SITE
329 unexport QMAKESPEC
330 unexport TERMINFO
331 unexport MACHINE
332 unexport O
334 GNU_HOST_NAME := $(shell support/gnuconfig/config.guess)
336 PACKAGES :=
338 # silent mode requested?
339 QUIET := $(if $(findstring s,$(filter-out --%,$(MAKEFLAGS))),-q)
341 # Strip off the annoying quoting
342 ARCH := $(call qstrip,$(BR2_ARCH))
344 KERNEL_ARCH := $(shell echo "$(ARCH)" | sed -e "s/-.*//" \
345 -e s/i.86/i386/ -e s/sun4u/sparc64/ \
346 -e s/arcle/arc/ \
347 -e s/arceb/arc/ \
348 -e s/arm.*/arm/ -e s/sa110/arm/ \
349 -e s/aarch64.*/arm64/ \
350 -e s/bfin/blackfin/ \
351 -e s/parisc64/parisc/ \
352 -e s/powerpc64.*/powerpc/ \
353 -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
354 -e s/sh.*/sh/ \
355 -e s/microblazeel/microblaze/)
357 ZCAT := $(call qstrip,$(BR2_ZCAT))
358 BZCAT := $(call qstrip,$(BR2_BZCAT))
359 XZCAT := $(call qstrip,$(BR2_XZCAT))
360 TAR_OPTIONS = $(call qstrip,$(BR2_TAR_OPTIONS)) -xf
362 # packages compiled for the host go here
363 HOST_DIR := $(call qstrip,$(BR2_HOST_DIR))
365 # Quotes are needed for spaces and all in the original PATH content.
366 BR_PATH = "$(HOST_DIR)/bin:$(HOST_DIR)/sbin:$(HOST_DIR)/usr/bin:$(HOST_DIR)/usr/sbin:$(PATH)"
368 # Location of a file giving a big fat warning that output/target
369 # should not be used as the root filesystem.
370 TARGET_DIR_WARNING_FILE = $(TARGET_DIR)/THIS_IS_NOT_YOUR_ROOT_FILESYSTEM
372 ifeq ($(BR2_CCACHE),y)
373 CCACHE := $(HOST_DIR)/usr/bin/ccache
374 BR_CACHE_DIR = $(call qstrip,$(BR2_CCACHE_DIR))
375 export BR_CACHE_DIR
376 HOSTCC := $(CCACHE) $(HOSTCC)
377 HOSTCXX := $(CCACHE) $(HOSTCXX)
378 endif
380 # Scripts in support/ or post-build scripts may need to reference
381 # these locations, so export them so it is easier to use
382 export BR2_CONFIG
383 export TARGET_DIR
384 export STAGING_DIR
385 export HOST_DIR
386 export BINARIES_DIR
387 export BASE_DIR
389 ################################################################################
391 # You should probably leave this stuff alone unless you know
392 # what you are doing.
394 ################################################################################
396 all: world
398 # Include legacy before the other things, because package .mk files
399 # may rely on it.
400 ifneq ($(BR2_DEPRECATED),y)
401 include Makefile.legacy
402 endif
404 include package/Makefile.in
405 include support/dependencies/dependencies.mk
407 include toolchain/*.mk
408 include toolchain/*/*.mk
410 # Include the package override file if one has been provided in the
411 # configuration.
412 PACKAGE_OVERRIDE_FILE = $(call qstrip,$(BR2_PACKAGE_OVERRIDE_FILE))
413 ifneq ($(PACKAGE_OVERRIDE_FILE),)
414 -include $(PACKAGE_OVERRIDE_FILE)
415 endif
417 include $(sort $(wildcard package/*/*.mk))
419 include boot/common.mk
420 include linux/linux.mk
421 include fs/common.mk
423 include $(BR2_EXTERNAL)/external.mk
425 dirs: $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
426 $(HOST_DIR) $(BINARIES_DIR)
428 $(BUILD_DIR)/buildroot-config/auto.conf: $(BR2_CONFIG)
429 $(MAKE1) $(EXTRAMAKEARGS) HOSTCC="$(HOSTCC_NOCCACHE)" HOSTCXX="$(HOSTCXX_NOCCACHE)" silentoldconfig
431 prepare: $(BUILD_DIR)/buildroot-config/auto.conf
433 world: target-post-image
435 .PHONY: all world toolchain dirs clean distclean source outputmakefile \
436 legal-info legal-info-prepare legal-info-clean printvars help \
437 list-defconfigs target-finalize target-post-image source-check
439 ################################################################################
441 # staging and target directories do NOT list these as
442 # dependencies anywhere else
444 ################################################################################
445 $(BUILD_DIR) $(TARGET_DIR) $(HOST_DIR) $(BINARIES_DIR) $(LEGAL_INFO_DIR) $(REDIST_SOURCES_DIR_TARGET) $(REDIST_SOURCES_DIR_HOST):
446 @mkdir -p $@
448 # We make a symlink lib32->lib or lib64->lib as appropriate
449 # MIPS64/n32 requires lib32 even though it's a 64-bit arch.
450 ifeq ($(BR2_ARCH_IS_64)$(BR2_MIPS_NABI32),y)
451 LIB_SYMLINK = lib64
452 else
453 LIB_SYMLINK = lib32
454 endif
456 $(STAGING_DIR):
457 @mkdir -p $(STAGING_DIR)/bin
458 @mkdir -p $(STAGING_DIR)/lib
459 @ln -snf lib $(STAGING_DIR)/$(LIB_SYMLINK)
460 @mkdir -p $(STAGING_DIR)/usr/lib
461 @ln -snf lib $(STAGING_DIR)/usr/$(LIB_SYMLINK)
462 @mkdir -p $(STAGING_DIR)/usr/include
463 @mkdir -p $(STAGING_DIR)/usr/bin
464 @ln -snf $(STAGING_DIR) $(BASE_DIR)/staging
466 RSYNC_VCS_EXCLUSIONS = \
467 --exclude .svn --exclude .git --exclude .hg --exclude .bzr \
468 --exclude CVS
470 STRIP_FIND_CMD = find $(TARGET_DIR)
471 ifneq (,$(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS)))
472 STRIP_FIND_CMD += \( $(call finddirclauses,$(TARGET_DIR),$(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS))) \) -prune -o
473 endif
474 STRIP_FIND_CMD += -type f \( -perm /111 -o -name '*.so*' \)
475 # file exclusions:
476 # - libpthread.so: a non-stripped libpthread shared library is needed for
477 # proper debugging of pthread programs using gdb.
478 # - kernel modules (*.ko): do not function properly when stripped like normal
479 # applications and libraries. Normally kernel modules are already excluded
480 # by the executable permission check above, so the explicit exclusion is only
481 # done for kernel modules with incorrect permissions.
482 STRIP_FIND_CMD += -not \( $(call findfileclauses,libpthread*.so* *.ko $(call qstrip,$(BR2_STRIP_EXCLUDE_FILES))) \) -print0
484 ifeq ($(BR2_ECLIPSE_REGISTER),y)
485 define TOOLCHAIN_ECLIPSE_REGISTER
486 ./support/scripts/eclipse-register-toolchain `readlink -f $(O)` \
487 $(notdir $(TARGET_CROSS)) $(BR2_ARCH)
488 endef
489 TARGET_FINALIZE_HOOKS += TOOLCHAIN_ECLIPSE_REGISTER
490 endif
492 # Generate locale data. Basically, we call the localedef program
493 # (built by the host-localedef package) for each locale. The input
494 # data comes preferably from the toolchain, or if the toolchain does
495 # not have them (Linaro toolchains), we use the ones available on the
496 # host machine.
497 ifeq ($(BR2_TOOLCHAIN_USES_GLIBC),y)
498 GLIBC_GENERATE_LOCALES = $(call qstrip,$(BR2_GENERATE_LOCALE))
499 ifneq ($(GLIBC_GENERATE_LOCALES),)
500 PACKAGES += host-localedef
502 define GENERATE_GLIBC_LOCALES
503 $(Q)mkdir -p $(TARGET_DIR)/usr/lib/locale/
504 $(Q)for locale in $(GLIBC_GENERATE_LOCALES) ; do \
505 inputfile=`echo $${locale} | cut -f1 -d'.'` ; \
506 charmap=`echo $${locale} | cut -f2 -d'.' -s` ; \
507 if test -z "$${charmap}" ; then \
508 charmap="UTF-8" ; \
509 fi ; \
510 echo "Generating locale $${inputfile}.$${charmap}" ; \
511 I18NPATH=$(STAGING_DIR)/usr/share/i18n:/usr/share/i18n \
512 $(HOST_DIR)/usr/bin/localedef \
513 --prefix=$(TARGET_DIR) \
514 --$(call LOWERCASE,$(BR2_ENDIAN))-endian \
515 -i $${inputfile} -f $${charmap} \
516 $${locale} ; \
517 done
518 endef
519 TARGET_FINALIZE_HOOKS += GENERATE_GLIBC_LOCALES
520 endif
521 endif
523 ifeq ($(BR2_ENABLE_LOCALE_PURGE),y)
524 LOCALE_WHITELIST = $(BUILD_DIR)/locales.nopurge
525 LOCALE_NOPURGE = $(call qstrip,$(BR2_ENABLE_LOCALE_WHITELIST))
527 # This piece of junk does the following:
528 # First collect the whitelist in a file.
529 # Then go over all the locale dirs and for each subdir, check if it exists
530 # in the whitelist file. If it doesn't, kill it.
531 # Finally, specifically for X11, regenerate locale.dir from the whitelist.
532 define PURGE_LOCALES
533 rm -f $(LOCALE_WHITELIST)
534 for i in $(LOCALE_NOPURGE) locale-archive; do echo $$i >> $(LOCALE_WHITELIST); done
536 for dir in $(wildcard $(addprefix $(TARGET_DIR),/usr/share/locale /usr/share/X11/locale /usr/lib/locale)); \
537 do \
538 for langdir in $$dir/*; \
539 do \
540 grep -qx $${langdir##*/} $(LOCALE_WHITELIST) || rm -rf $$langdir; \
541 done; \
542 done
543 if [ -d $(TARGET_DIR)/usr/share/X11/locale ]; \
544 then \
545 for lang in $(LOCALE_NOPURGE); \
546 do \
547 if [ -f $(TARGET_DIR)/usr/share/X11/locale/$$lang/XLC_LOCALE ]; \
548 then \
549 echo "$$lang/XLC_LOCALE: $$lang"; \
550 fi \
551 done > $(TARGET_DIR)/usr/share/X11/locale/locale.dir; \
553 endef
554 TARGET_FINALIZE_HOOKS += PURGE_LOCALES
555 endif
557 $(TARGETS_ROOTFS): target-finalize
559 target-finalize: $(PACKAGES)
560 @$(call MESSAGE,"Finalizing target directory")
561 $(foreach hook,$(TARGET_FINALIZE_HOOKS),$($(hook))$(sep))
562 rm -rf $(TARGET_DIR)/usr/include $(TARGET_DIR)/usr/share/aclocal \
563 $(TARGET_DIR)/usr/lib/pkgconfig $(TARGET_DIR)/usr/share/pkgconfig \
564 $(TARGET_DIR)/usr/lib/cmake $(TARGET_DIR)/usr/share/cmake
565 find $(TARGET_DIR)/usr/{lib,share}/ -name '*.cmake' -print0 | xargs -0 rm -f
566 find $(TARGET_DIR)/lib $(TARGET_DIR)/usr/lib $(TARGET_DIR)/usr/libexec \
567 \( -name '*.a' -o -name '*.la' \) -print0 | xargs -0 rm -f
568 ifneq ($(BR2_PACKAGE_GDB),y)
569 rm -rf $(TARGET_DIR)/usr/share/gdb
570 endif
571 ifneq ($(BR2_PACKAGE_BASH),y)
572 rm -rf $(TARGET_DIR)/usr/share/bash-completion
573 endif
574 ifneq ($(BR2_PACKAGE_ZSH),y)
575 rm -rf $(TARGET_DIR)/usr/share/zsh
576 endif
577 rm -rf $(TARGET_DIR)/usr/man $(TARGET_DIR)/usr/share/man
578 rm -rf $(TARGET_DIR)/usr/info $(TARGET_DIR)/usr/share/info
579 rm -rf $(TARGET_DIR)/usr/doc $(TARGET_DIR)/usr/share/doc
580 rm -rf $(TARGET_DIR)/usr/share/gtk-doc
581 -rmdir $(TARGET_DIR)/usr/share 2>/dev/null
582 $(STRIP_FIND_CMD) | xargs -0 $(STRIPCMD) 2>/dev/null || true
583 if test -d $(TARGET_DIR)/lib/modules; then \
584 find $(TARGET_DIR)/lib/modules -type f -name '*.ko' -print0 | \
585 xargs -0 -r $(KSTRIPCMD); fi
587 # See http://sourceware.org/gdb/wiki/FAQ, "GDB does not see any threads
588 # besides the one in which crash occurred; or SIGTRAP kills my program when
589 # I set a breakpoint"
590 ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
591 find $(TARGET_DIR)/lib -type f -name 'libpthread*.so*' | \
592 xargs -r $(STRIPCMD) $(STRIP_STRIP_DEBUG)
593 endif
595 mkdir -p $(TARGET_DIR)/etc
596 # Mandatory configuration file and auxiliary cache directory
597 # for recent versions of ldconfig
598 touch $(TARGET_DIR)/etc/ld.so.conf
599 mkdir -p $(TARGET_DIR)/var/cache/ldconfig
600 if [ -x "$(TARGET_CROSS)ldconfig" ]; \
601 then \
602 $(TARGET_CROSS)ldconfig -r $(TARGET_DIR) \
603 -f $(TARGET_DIR)/etc/ld.so.conf; \
604 else \
605 /sbin/ldconfig -r $(TARGET_DIR) \
606 -f $(TARGET_DIR)/etc/ld.so.conf; \
609 echo "NAME=Buildroot"; \
610 echo "VERSION=$(BR2_VERSION_FULL)"; \
611 echo "ID=buildroot"; \
612 echo "VERSION_ID=$(BR2_VERSION)"; \
613 echo "PRETTY_NAME=\"Buildroot $(BR2_VERSION)\"" \
614 ) > $(TARGET_DIR)/etc/os-release
616 @$(foreach d, $(call qstrip,$(BR2_ROOTFS_OVERLAY)), \
617 $(call MESSAGE,"Copying overlay $(d)"); \
618 rsync -a --ignore-times $(RSYNC_VCS_EXCLUSIONS) \
619 --chmod=u=rwX,go=rX --exclude .empty --exclude '*~' \
620 $(d)/ $(TARGET_DIR)$(sep))
622 @$(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_BUILD_SCRIPT)), \
623 $(call MESSAGE,"Executing post-build script $(s)"); \
624 $(EXTRA_ENV) $(s) $(TARGET_DIR) $(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS))$(sep))
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 source: $(foreach p,$(PACKAGES),$(p)-all-source)
633 _external-deps: $(foreach p,$(PACKAGES),$(p)-all-external-deps)
634 external-deps:
635 @$(MAKE1) -Bs $(EXTRAMAKEARGS) _external-deps | sort -u
637 # check if download URLs are outdated
638 source-check: $(foreach p,$(PACKAGES),$(p)-all-source-check)
640 legal-info-clean:
641 @rm -fr $(LEGAL_INFO_DIR)
643 legal-info-prepare: $(LEGAL_INFO_DIR)
644 @$(call MESSAGE,"Collecting legal info")
645 @$(call legal-license-file,buildroot,COPYING,COPYING,HOST)
646 @$(call legal-manifest,PACKAGE,VERSION,LICENSE,LICENSE FILES,SOURCE ARCHIVE,SOURCE SITE,TARGET)
647 @$(call legal-manifest,PACKAGE,VERSION,LICENSE,LICENSE FILES,SOURCE ARCHIVE,SOURCE SITE,HOST)
648 @$(call legal-manifest,buildroot,$(BR2_VERSION_FULL),GPLv2+,COPYING,not saved,not saved,HOST)
649 @$(call legal-warning,the Buildroot source code has not been saved)
650 @$(call legal-warning,the toolchain has not been saved)
651 @cp $(BR2_CONFIG) $(LEGAL_INFO_DIR)/buildroot.config
653 legal-info: dirs legal-info-clean legal-info-prepare $(foreach p,$(PACKAGES),$(p)-all-legal-info) \
654 $(REDIST_SOURCES_DIR_TARGET) $(REDIST_SOURCES_DIR_HOST)
655 @cat support/legal-info/README.header >>$(LEGAL_REPORT)
656 @if [ -r $(LEGAL_WARNINGS) ]; then \
657 cat support/legal-info/README.warnings-header \
658 $(LEGAL_WARNINGS) >>$(LEGAL_REPORT); \
659 cat $(LEGAL_WARNINGS); fi
660 @echo "Legal info produced in $(LEGAL_INFO_DIR)"
661 @rm -f $(LEGAL_WARNINGS)
663 show-targets:
664 @echo $(PACKAGES) $(TARGETS_ROOTFS)
666 graph-build: $(O)/build/build-time.log
667 @install -d $(GRAPHS_DIR)
668 $(foreach o,name build duration,./support/scripts/graph-build-time \
669 --type=histogram --order=$(o) --input=$(<) \
670 --output=$(GRAPHS_DIR)/build.hist-$(o).$(BR_GRAPH_OUT) \
671 $(if $(BR2_GRAPH_ALT),--alternate-colors)$(sep))
672 $(foreach t,packages steps,./support/scripts/graph-build-time \
673 --type=pie-$(t) --input=$(<) \
674 --output=$(GRAPHS_DIR)/build.pie-$(t).$(BR_GRAPH_OUT) \
675 $(if $(BR2_GRAPH_ALT),--alternate-colors)$(sep))
677 graph-depends-requirements:
678 @dot -? >/dev/null 2>&1 || \
679 { echo "ERROR: The 'dot' program from Graphviz is needed for graph-depends" >&2; exit 1; }
681 graph-depends: graph-depends-requirements
682 @$(INSTALL) -d $(GRAPHS_DIR)
683 @cd "$(CONFIG_DIR)"; \
684 $(TOPDIR)/support/scripts/graph-depends $(BR2_GRAPH_DEPS_OPTS) \
685 |tee $(GRAPHS_DIR)/$(@).dot \
686 |dot $(BR2_GRAPH_DOT_OPTS) -T$(BR_GRAPH_OUT) -o $(GRAPHS_DIR)/$(@).$(BR_GRAPH_OUT)
688 else # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
690 all: menuconfig
692 endif # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
694 # configuration
695 # ---------------------------------------------------------------------------
697 HOSTCFLAGS = $(CFLAGS_FOR_BUILD)
698 export HOSTCFLAGS
700 $(BUILD_DIR)/buildroot-config/%onf:
701 mkdir -p $(@D)/lxdialog
702 PKG_CONFIG_PATH="$(HOST_PKG_CONFIG_PATH)" $(MAKE) CC="$(HOSTCC_NOCCACHE)" HOSTCC="$(HOSTCC_NOCCACHE)" \
703 obj=$(@D) -C $(CONFIG) -f Makefile.br $(@F)
705 DEFCONFIG = $(call qstrip,$(BR2_DEFCONFIG))
707 # We don't want to fully expand BR2_DEFCONFIG here, so Kconfig will
708 # recognize that if it's still at its default $(CONFIG_DIR)/defconfig
709 COMMON_CONFIG_ENV = \
710 BR2_DEFCONFIG='$(call qstrip,$(value BR2_DEFCONFIG))' \
711 KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
712 KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
713 KCONFIG_TRISTATE=$(BUILD_DIR)/buildroot-config/tristate.config \
714 BR2_CONFIG=$(BR2_CONFIG) \
715 BR2_EXTERNAL=$(BR2_EXTERNAL) \
716 SKIP_LEGACY=
718 xconfig: $(BUILD_DIR)/buildroot-config/qconf outputmakefile
719 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
721 gconfig: $(BUILD_DIR)/buildroot-config/gconf outputmakefile
722 @$(COMMON_CONFIG_ENV) srctree=$(TOPDIR) $< $(CONFIG_CONFIG_IN)
724 menuconfig: $(BUILD_DIR)/buildroot-config/mconf outputmakefile
725 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
727 nconfig: $(BUILD_DIR)/buildroot-config/nconf outputmakefile
728 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
730 config: $(BUILD_DIR)/buildroot-config/conf outputmakefile
731 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
733 # For the config targets that automatically select options, we pass
734 # SKIP_LEGACY=y to disable the legacy options. However, in that case
735 # no values are set for the legacy options so a subsequent oldconfig
736 # will query them. Therefore, run an additional olddefconfig.
738 oldconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
739 @$(COMMON_CONFIG_ENV) $< --oldconfig $(CONFIG_CONFIG_IN)
741 randconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
742 @$(COMMON_CONFIG_ENV) SKIP_LEGACY=y $< --randconfig $(CONFIG_CONFIG_IN)
743 @$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
745 allyesconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
746 @$(COMMON_CONFIG_ENV) SKIP_LEGACY=y $< --allyesconfig $(CONFIG_CONFIG_IN)
747 @$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
749 allnoconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
750 @$(COMMON_CONFIG_ENV) SKIP_LEGACY=y $< --allnoconfig $(CONFIG_CONFIG_IN)
751 @$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
753 randpackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
754 @grep -v BR2_PACKAGE_ $(BR2_CONFIG) > $(CONFIG_DIR)/.config.nopkg
755 @$(COMMON_CONFIG_ENV) SKIP_LEGACY=y \
756 KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
757 $< --randconfig $(CONFIG_CONFIG_IN)
758 @rm -f $(CONFIG_DIR)/.config.nopkg
759 @$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
761 allyespackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
762 @grep -v BR2_PACKAGE_ $(BR2_CONFIG) > $(CONFIG_DIR)/.config.nopkg
763 @$(COMMON_CONFIG_ENV) SKIP_LEGACY=y \
764 KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
765 $< --allyesconfig $(CONFIG_CONFIG_IN)
766 @rm -f $(CONFIG_DIR)/.config.nopkg
767 @$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
769 allnopackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
770 @grep -v BR2_PACKAGE_ $(BR2_CONFIG) > $(CONFIG_DIR)/.config.nopkg
771 @$(COMMON_CONFIG_ENV) SKIP_LEGACY=y \
772 KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
773 $< --allnoconfig $(CONFIG_CONFIG_IN)
774 @rm -f $(CONFIG_DIR)/.config.nopkg
775 @$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
777 silentoldconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
778 $(COMMON_CONFIG_ENV) $< --silentoldconfig $(CONFIG_CONFIG_IN)
780 olddefconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
781 $(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN)
783 defconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
784 @$(COMMON_CONFIG_ENV) $< --defconfig$(if $(DEFCONFIG),=$(DEFCONFIG)) $(CONFIG_CONFIG_IN)
786 # Override the BR2_DEFCONFIG from COMMON_CONFIG_ENV with the new defconfig
787 %_defconfig: $(BUILD_DIR)/buildroot-config/conf $(TOPDIR)/configs/%_defconfig outputmakefile
788 @$(COMMON_CONFIG_ENV) BR2_DEFCONFIG=$(TOPDIR)/configs/$@ \
789 $< --defconfig=$(TOPDIR)/configs/$@ $(CONFIG_CONFIG_IN)
791 %_defconfig: $(BUILD_DIR)/buildroot-config/conf $(BR2_EXTERNAL)/configs/%_defconfig outputmakefile
792 @$(COMMON_CONFIG_ENV) BR2_DEFCONFIG=$(BR2_EXTERNAL)/configs/$@ \
793 $< --defconfig=$(BR2_EXTERNAL)/configs/$@ $(CONFIG_CONFIG_IN)
795 savedefconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
796 @$(COMMON_CONFIG_ENV) $< \
797 --savedefconfig=$(if $(DEFCONFIG),$(DEFCONFIG),$(CONFIG_DIR)/defconfig) \
798 $(CONFIG_CONFIG_IN)
799 @$(SED) '/BR2_DEFCONFIG=/d' $(if $(DEFCONFIG),$(DEFCONFIG),$(CONFIG_DIR)/defconfig)
801 .PHONY: defconfig savedefconfig
803 ################################################################################
805 # Cleanup and misc junk
807 ################################################################################
809 # outputmakefile generates a Makefile in the output directory, if using a
810 # separate output directory. This allows convenient use of make in the
811 # output directory.
812 outputmakefile:
813 ifeq ($(NEED_WRAPPER),y)
814 $(Q)$(TOPDIR)/support/scripts/mkmakefile $(TOPDIR) $(O)
815 endif
817 # printvars prints all the variables currently defined in our Makefiles
818 printvars:
819 @$(foreach V, \
820 $(sort $(.VARIABLES)), \
821 $(if $(filter-out environment% default automatic, \
822 $(origin $V)), \
823 $(info $V=$($V) ($(value $V)))))
825 clean:
826 rm -rf $(TARGET_DIR) $(BINARIES_DIR) $(HOST_DIR) \
827 $(BUILD_DIR) $(BASE_DIR)/staging \
828 $(LEGAL_INFO_DIR) $(GRAPHS_DIR)
830 distclean: clean
831 ifeq ($(DL_DIR),$(TOPDIR)/dl)
832 rm -rf $(DL_DIR)
833 endif
834 ifeq ($(O),output)
835 rm -rf $(O)
836 endif
837 rm -rf $(BR2_CONFIG) $(CONFIG_DIR)/.config.old $(CONFIG_DIR)/..config.tmp \
838 $(CONFIG_DIR)/.auto.deps
840 help:
841 @echo 'Cleaning:'
842 @echo ' clean - delete all files created by build'
843 @echo ' distclean - delete all non-source files (including .config)'
844 @echo
845 @echo 'Build:'
846 @echo ' all - make world'
847 @echo ' toolchain - build toolchain'
848 @echo
849 @echo 'Configuration:'
850 @echo ' menuconfig - interactive curses-based configurator'
851 @echo ' nconfig - interactive ncurses-based configurator'
852 @echo ' xconfig - interactive Qt-based configurator'
853 @echo ' gconfig - interactive GTK-based configurator'
854 @echo ' oldconfig - resolve any unresolved symbols in .config'
855 @echo ' silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
856 @echo ' olddefconfig - Same as silentoldconfig but sets new symbols to their default value'
857 @echo ' randconfig - New config with random answer to all options'
858 @echo ' defconfig - New config with default answer to all options'
859 @echo ' BR2_DEFCONFIG, if set, is used as input'
860 @echo ' savedefconfig - Save current config to BR2_DEFCONFIG (minimal config)'
861 @echo ' allyesconfig - New config where all options are accepted with yes'
862 @echo ' allnoconfig - New config where all options are answered with no'
863 @echo ' randpackageconfig - New config with random answer to package options'
864 @echo ' allyespackageconfig - New config where pkg options are accepted with yes'
865 @echo ' allnopackageconfig - New config where package options are answered with no'
866 @echo
867 @echo 'Package-specific:'
868 @echo ' <pkg> - Build and install <pkg> and all its dependencies'
869 @echo ' <pkg>-source - Only download the source files for <pkg>'
870 @echo ' <pkg>-extract - Extract <pkg> sources'
871 @echo ' <pkg>-patch - Apply patches to <pkg>'
872 @echo ' <pkg>-depends - Build <pkg>'\''s dependencies'
873 @echo ' <pkg>-configure - Build <pkg> up to the configure step'
874 @echo ' <pkg>-build - Build <pkg> up to the build step'
875 @echo ' <pkg>-graph-depends - Generate a graph of <pkg>'\''s dependencies'
876 @echo ' <pkg>-dirclean - Remove <pkg> build directory'
877 @echo ' <pkg>-reconfigure - Restart the build from the configure step'
878 @echo ' <pkg>-rebuild - Restart the build from the build step'
879 ifeq ($(BR2_PACKAGE_BUSYBOX),y)
880 @echo ' busybox-menuconfig - Run BusyBox menuconfig'
881 endif
882 ifeq ($(BR2_LINUX_KERNEL),y)
883 @echo ' linux-menuconfig - Run Linux kernel menuconfig'
884 @echo ' linux-savedefconfig - Run Linux kernel savedefconfig'
885 @echo ' linux-update-defconfig - Save the Linux configuration to the path specified'
886 @echo ' by BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE'
887 endif
888 ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
889 @echo ' uclibc-menuconfig - Run uClibc menuconfig'
890 endif
891 ifeq ($(BR2_TARGET_BAREBOX),y)
892 @echo ' barebox-menuconfig - Run barebox menuconfig'
893 @echo ' barebox-savedefconfig - Run barebox savedefconfig'
894 endif
895 @echo
896 @echo 'Documentation:'
897 @echo ' manual - build manual in all formats'
898 @echo ' manual-html - build manual in HTML'
899 @echo ' manual-split-html - build manual in split HTML'
900 @echo ' manual-pdf - build manual in PDF'
901 @echo ' manual-text - build manual in text'
902 @echo ' manual-epub - build manual in ePub'
903 @echo ' graph-build - generate graphs of the build times'
904 @echo ' graph-depends - generate graph of the dependency tree'
905 @echo ' list-defconfigs - list all defconfigs (pre-configured minimal systems)'
906 @echo
907 @echo 'Miscellaneous:'
908 @echo ' source - download all sources needed for offline-build'
909 @echo ' source-check - check selected packages for valid download URLs'
910 @echo ' external-deps - list external packages used'
911 @echo ' legal-info - generate info about license compliance'
912 @echo
913 @echo ' make V=0|1 - 0 => quiet build (default), 1 => verbose build'
914 @echo ' make O=dir - Locate all output files in "dir", including .config'
915 @echo
916 @echo 'For further details, see README, generate the Buildroot manual, or consult'
917 @echo 'it on-line at http://buildroot.org/docs.html'
918 @echo
920 list-defconfigs:
921 @echo 'Built-in configs:'
922 @$(foreach b, $(sort $(notdir $(wildcard $(TOPDIR)/configs/*_defconfig))), \
923 printf " %-35s - Build for %s\\n" $(b) $(b:_defconfig=);)
924 ifneq ($(wildcard $(BR2_EXTERNAL)/configs/*_defconfig),)
925 @echo
926 @echo 'User-provided configs:'
927 @$(foreach b, $(sort $(notdir $(wildcard $(BR2_EXTERNAL)/configs/*_defconfig))), \
928 printf " %-35s - Build for %s\\n" $(b) $(b:_defconfig=);)
929 endif
930 @echo
932 release: OUT = buildroot-$(BR2_VERSION)
934 # Create release tarballs. We need to fiddle a bit to add the generated
935 # documentation to the git output
936 release:
937 git archive --format=tar --prefix=$(OUT)/ HEAD > $(OUT).tar
938 $(MAKE) O=$(OUT) manual-html manual-text manual-pdf
939 $(MAKE) O=$(OUT) manual-clean
940 tar rf $(OUT).tar $(OUT)
941 gzip -9 -c < $(OUT).tar > $(OUT).tar.gz
942 bzip2 -9 -c < $(OUT).tar > $(OUT).tar.bz2
943 rm -rf $(OUT) $(OUT).tar
945 print-version:
946 @echo $(BR2_VERSION_FULL)
948 include docs/manual/manual.mk
949 -include $(BR2_EXTERNAL)/docs/*/*.mk
951 .PHONY: $(noconfig_targets)
953 endif #umask