blob: 50cfbcbcf451feffa3c4ea689461ff900891a16b [file] [log] [blame]
Thomas De Schampheleire6cbdfb62013-09-05 09:12:15 +02001# Makefile for buildroot
Eric Andersenffde94b2001-12-22 00:56:11 +00002#
Peter Korsgaardf1d71552023-01-13 08:53:48 +01003# Copyright (C) the Buildroot developers <buildroot@buildroot.org>
Eric Andersenffde94b2001-12-22 00:56:11 +00004#
Eric Andersen08782ae2002-04-26 11:45:55 +00005# This program is free software; you can redistribute it and/or modify
Eric Andersen2d523c22004-10-09 01:06:03 +00006# it under the terms of the GNU General Public License as published by
7# the Free Software Foundation; either version 2 of the License, or
8# (at your option) any later version.
Eric Andersenffde94b2001-12-22 00:56:11 +00009#
Eric Andersen2d523c22004-10-09 01:06:03 +000010# This program is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
Eric Andersen08782ae2002-04-26 11:45:55 +000012# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Eric Andersen2d523c22004-10-09 01:06:03 +000013# General Public License for more details.
Peter Korsgaardb30d6732009-01-26 19:42:47 +000014#
Eric Andersen2d523c22004-10-09 01:06:03 +000015# You should have received a copy of the GNU General Public License
16# along with this program; if not, write to the Free Software
17# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18#
Eric Andersenffde94b2001-12-22 00:56:11 +000019
Eric Andersen2d523c22004-10-09 01:06:03 +000020#--------------------------------------------------------------
21# Just run 'make menuconfig', configure stuff, then run 'make'.
22# You shouldn't need to mess with anything beyond this point...
23#--------------------------------------------------------------
Yann E. MORIN2d239bb2010-10-31 17:35:09 +010024
Arnout Vandecappelle6bb74302016-11-05 22:05:08 +010025# Delete default rules. We don't use them. This saves a bit of time.
26.SUFFIXES:
27
Kurt Van Dijck3f4c72c2016-06-19 06:12:06 +020028# we want bash as shell
29SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
30 else if [ -x /bin/bash ]; then echo /bin/bash; \
31 else echo sh; fi; fi)
32
Samuel Martin916e6142016-10-17 23:05:42 +020033# Set O variable if not already done on the command line;
34# or avoid confusing packages that can use the O=<dir> syntax for out-of-tree
35# build by preventing it from being forwarded to sub-make calls.
36ifneq ("$(origin O)", "command line")
Samuel Martin173135d2016-10-17 23:05:43 +020037O := $(CURDIR)/output
Samuel Martin916e6142016-10-17 23:05:42 +020038endif
39
40# Check if the current Buildroot execution meets all the pre-requisites.
41# If they are not met, Buildroot will actually do its job in a sub-make meeting
Samuel Martin173135d2016-10-17 23:05:43 +020042# its pre-requisites, which are:
Samuel Martin916e6142016-10-17 23:05:42 +020043# 1- Permissive enough umask:
44# Wrong or too restrictive umask will prevent Buildroot and packages from
45# creating files and directories.
Samuel Martin173135d2016-10-17 23:05:43 +020046# 2- Absolute canonical CWD (i.e. $(CURDIR)):
47# Otherwise, some packages will use CWD as-is, others will compute its
48# absolute canonical path. This makes harder tracking and fixing host
49# machine path leaks.
50# 3- Absolute canonical output location (i.e. $(O)):
51# For the same reason as the one for CWD.
52
53# Remove the trailing '/.' from $(O) as it can be added by the makefile wrapper
54# installed in the $(O) directory.
55# Also remove the trailing '/' the user can set when on the command line.
56override O := $(patsubst %/,%,$(patsubst %.,%,$(O)))
57# Make sure $(O) actually exists before calling realpath on it; this is to
58# avoid empty CANONICAL_O in case on non-existing entry.
59CANONICAL_O := $(shell mkdir -p $(O) >/dev/null 2>&1)$(realpath $(O))
60
Yann E. MORIN7007dc22018-08-20 22:49:53 +020061# gcc fails to build when the srcdir contains a '@'
62ifneq ($(findstring @,$(CANONICAL_O)),)
63$(error The build directory can not contain a '@')
64endif
65
Samuel Martin173135d2016-10-17 23:05:43 +020066CANONICAL_CURDIR = $(realpath $(CURDIR))
Samuel Martin916e6142016-10-17 23:05:42 +020067
68REQ_UMASK = 0022
Luca Pescee9960262022-12-06 11:41:23 +010069CUR_UMASK := $(shell umask)
Samuel Martin916e6142016-10-17 23:05:42 +020070
Samuel Martin173135d2016-10-17 23:05:43 +020071# Make sure O= is passed (with its absolute canonical path) everywhere the
72# toplevel makefile is called back.
73EXTRAMAKEARGS := O=$(CANONICAL_O)
Samuel Martin916e6142016-10-17 23:05:42 +020074
75# Check Buildroot execution pre-requisites here.
Luca Pescee9960262022-12-06 11:41:23 +010076ifneq ($(CUR_UMASK):$(CURDIR):$(O),$(REQ_UMASK):$(CANONICAL_CURDIR):$(CANONICAL_O))
Guido Martínez1e9f6042015-07-17 00:33:07 +020077.PHONY: _all $(MAKECMDGOALS)
Guido Martínezbee57452014-11-21 13:19:00 -030078
Guido Martínez1e9f6042015-07-17 00:33:07 +020079$(MAKECMDGOALS): _all
80 @:
Guido Martínezbee57452014-11-21 13:19:00 -030081
Guido Martínez1e9f6042015-07-17 00:33:07 +020082_all:
Samuel Martin173135d2016-10-17 23:05:43 +020083 @umask $(REQ_UMASK) && \
84 $(MAKE) -C $(CANONICAL_CURDIR) --no-print-directory \
Luca Pescee9960262022-12-06 11:41:23 +010085 BR_ORIG_UMASK=$(CUR_UMASK) \
Samuel Martin173135d2016-10-17 23:05:43 +020086 $(MAKECMDGOALS) $(EXTRAMAKEARGS)
Guido Martínezbee57452014-11-21 13:19:00 -030087
Samuel Martin173135d2016-10-17 23:05:43 +020088else # umask / $(CURDIR) / $(O)
Guido Martínezbee57452014-11-21 13:19:00 -030089
Yann E. MORIN5309e2e2014-10-11 19:34:42 +020090# This is our default rule, so must come first
91all:
Arnout Vandecappelle5f94c972017-06-15 00:11:31 +020092.PHONY: all
Yann E. MORIN5309e2e2014-10-11 19:34:42 +020093
Yann E. MORINe5e8fae2010-10-31 17:35:10 +010094# Set and export the version string
Peter Korsgaard30450212024-09-01 21:47:44 +020095export BR2_VERSION := 2024.08-rc3
Gilles Chanteperdrix9befe942016-11-23 13:58:40 +010096# Actual time the release is cut (for reproducible builds)
Peter Korsgaard30450212024-09-01 21:47:44 +020097BR2_VERSION_EPOCH = 1725220000
Yann E. MORINe5e8fae2010-10-31 17:35:10 +010098
Gustavo Zacarias2ac7da02015-07-14 18:30:39 -030099# Save running make version since it's clobbered by the make package
100RUNNING_MAKE_VERSION := $(MAKE_VERSION)
101
Thomas De Schampheleire0edfb242012-02-08 17:22:17 +0100102# Check for minimal make version (note: this check will break at make 10.x)
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200103MIN_MAKE_VERSION = 3.81
Gustavo Zacarias2ac7da02015-07-14 18:30:39 -0300104ifneq ($(firstword $(sort $(RUNNING_MAKE_VERSION) $(MIN_MAKE_VERSION))),$(MIN_MAKE_VERSION))
105$(error You have make '$(RUNNING_MAKE_VERSION)' installed. GNU make >= $(MIN_MAKE_VERSION) is required)
Thomas De Schampheleire0edfb242012-02-08 17:22:17 +0100106endif
107
Peter Korsgaard6b1dd452009-11-30 17:29:01 +0100108# absolute path
Samuel Martine0499942016-03-09 23:58:43 +0100109TOPDIR := $(CURDIR)
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200110CONFIG_CONFIG_IN = Config.in
111CONFIG = support/kconfig
112DATE := $(shell date +%Y%m%d)
Eric Andersen2d523c22004-10-09 01:06:03 +0000113
Yann E. MORIN8258df22010-10-31 17:35:12 +0100114# Compute the full local version string so packages can use it as-is
115# Need to export it, so it can be got from environment in children (eg. mconf)
Thomas Petazzoni98c99552020-07-20 13:59:57 +0200116
117BR2_LOCALVERSION := $(shell $(TOPDIR)/support/scripts/setlocalversion)
118ifeq ($(BR2_LOCALVERSION),)
119export BR2_VERSION_FULL := $(BR2_VERSION)
120else
121export BR2_VERSION_FULL := $(BR2_LOCALVERSION)
122endif
Yann E. MORIN8258df22010-10-31 17:35:12 +0100123
Arnout Vandecappelle106dc752017-06-15 00:11:29 +0200124# List of targets and target patterns for which .config doesn't need to be read in
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200125noconfig_targets := menuconfig nconfig gconfig xconfig config oldconfig randconfig \
Petr Vorel6eacea52018-09-19 13:36:15 +0200126 defconfig %_defconfig allyesconfig allnoconfig alldefconfig syncconfig release \
Peter Korsgaard66527702009-10-04 21:57:12 +0200127 randpackageconfig allyespackageconfig allnopackageconfig \
Ricardo Martincoski9df65032022-07-31 16:35:18 -0300128 print-version olddefconfig distclean manual manual-% check-package
Bernhard Reutner-Fischer9e250352006-12-02 19:01:10 +0000129
Thomas Petazzoni256f1422015-04-26 11:51:14 +0200130# Some global targets do not trigger a build, but are used to collect
131# metadata, or do various checks. When such targets are triggered,
132# some packages should not do their configuration sanity
133# checks. Provide them a BR_BUILDING variable set to 'y' when we're
134# actually building and they should do their sanity checks.
135#
136# We're building in two situations: when MAKECMDGOALS is empty
137# (default target is to build), or when MAKECMDGOALS contains
138# something else than one of the nobuild_targets.
Maxime Hadjinlianbf28a162017-10-25 22:09:51 +0200139nobuild_targets := source %-source \
Rahul Jain472f0ae2016-11-15 16:33:20 +0530140 legal-info %-legal-info external-deps _external-deps \
141 clean distclean help show-targets graph-depends \
142 %-graph-depends %-show-depends %-show-version \
143 graph-build graph-size list-defconfigs \
Yann E. MORINda4cb172021-11-13 14:28:27 +0100144 savedefconfig update-defconfig printvars show-vars
Thomas Petazzoni256f1422015-04-26 11:51:14 +0200145ifeq ($(MAKECMDGOALS),)
146BR_BUILDING = y
147else ifneq ($(filter-out $(nobuild_targets),$(MAKECMDGOALS)),)
148BR_BUILDING = y
149endif
150
Arnout Vandecappelle5e3f8962016-11-03 02:55:16 +0100151# We call make recursively to build packages. The command-line overrides that
152# are passed to Buildroot don't apply to those package build systems. In
153# particular, we don't want to pass down the O=<dir> option for out-of-tree
154# builds, because the value specified on the command line will not be correct
155# for packages.
156MAKEOVERRIDES :=
157
Yann E. MORIN242e0082016-07-17 12:34:21 +0200158# Include some helper macros and variables
159include support/misc/utils.mk
Peter Korsgaardf85f2de2009-01-25 20:19:01 +0000160
Samuel Martin0b1b2c42016-10-17 23:05:41 +0200161# Set variables related to in-tree or out-of-tree build.
Samuel Martin173135d2016-10-17 23:05:43 +0200162# Here, both $(O) and $(CURDIR) are absolute canonical paths.
163ifeq ($(O),$(CURDIR)/output)
164CONFIG_DIR := $(CURDIR)
Samuel Martin0b1b2c42016-10-17 23:05:41 +0200165NEED_WRAPPER =
166else
167CONFIG_DIR := $(O)
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200168NEED_WRAPPER = y
Will Wagner39ca6d52010-01-11 12:28:50 +0000169endif
170
Thomas De Schampheleirebb335172013-10-02 22:06:40 +0200171# bash prints the name of the directory on 'cd <dir>' if CDPATH is
172# set, so unset it here to not cause problems. Notice that the export
Danomi Manchego6caa76d2016-11-22 21:31:31 -0500173# line doesn't affect the environment of $(shell ..) calls.
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200174export CDPATH :=
Danomi Manchego6caa76d2016-11-22 21:31:31 -0500175
176BASE_DIR := $(CANONICAL_O)
Thomas De Schampheleirebb335172013-10-02 22:06:40 +0200177$(if $(BASE_DIR),, $(error output directory "$(O)" does not exist))
178
Thomas Petazzonia4239f72013-12-05 20:11:10 +0100179
180# Handling of BR2_EXTERNAL.
181#
182# The value of BR2_EXTERNAL is stored in .br-external in the output directory.
Yann E. MORIN20cd4972016-10-14 16:39:20 +0200183# The location of the external.mk makefile fragments is computed in that file.
Yann E. MORIN6bd19cc2016-10-14 16:39:15 +0200184# On subsequent invocations of make, this file is read in. BR2_EXTERNAL can
185# still be overridden on the command line, therefore the file is re-created
186# every time make is run.
Thomas Petazzonia4239f72013-12-05 20:11:10 +0100187
Yann E. MORIN492d09b2019-07-29 22:19:54 +0200188BR2_EXTERNAL_FILE = $(BASE_DIR)/.br2-external.mk
Thomas Petazzonia4239f72013-12-05 20:11:10 +0100189-include $(BR2_EXTERNAL_FILE)
Yann E. MORINd027cd72019-07-29 22:19:56 +0200190$(shell support/scripts/br2-external -d '$(BASE_DIR)' $(BR2_EXTERNAL))
Yann E. MORIN6bd19cc2016-10-14 16:39:15 +0200191BR2_EXTERNAL_ERROR =
192include $(BR2_EXTERNAL_FILE)
193ifneq ($(BR2_EXTERNAL_ERROR),)
194$(error $(BR2_EXTERNAL_ERROR))
Thomas Petazzonia4239f72013-12-05 20:11:10 +0100195endif
196
Yann E. MORIN9e2128b2020-03-04 14:40:37 +0100197# Workaround bug in make-4.3: https://savannah.gnu.org/bugs/?57676
198$(BASE_DIR)/.br2-external.mk:;
199
Masahiro Yamada5b686a02015-04-08 09:53:36 +0900200# To make sure that the environment variable overrides the .config option,
Arnout Vandecappelle67680212014-02-04 16:18:51 +0100201# set this before including .config.
202ifneq ($(BR2_DL_DIR),)
203DL_DIR := $(BR2_DL_DIR)
204endif
Gustavo Zacarias3901cb52015-10-15 10:24:39 -0300205ifneq ($(BR2_CCACHE_DIR),)
206BR_CACHE_DIR := $(BR2_CCACHE_DIR)
207endif
Arnout Vandecappelle67680212014-02-04 16:18:51 +0100208
Yann E. MORINf1fedbb2013-12-28 18:39:13 +0100209# Need that early, before we scan packages
210# Avoids doing the $(or...) everytime
Yann E. MORIN22d05902014-04-13 22:42:37 +0200211BR_GRAPH_OUT := $(or $(BR2_GRAPH_OUT),pdf)
Thomas Petazzonia4239f72013-12-05 20:11:10 +0100212
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200213BUILD_DIR := $(BASE_DIR)/build
214BINARIES_DIR := $(BASE_DIR)/images
Yann E. MORIN7e9870c2018-03-31 11:05:50 +0200215BASE_TARGET_DIR := $(BASE_DIR)/target
Thomas Petazzonic4e6d5c2019-11-05 17:46:40 +0100216PER_PACKAGE_DIR := $(BASE_DIR)/per-package
Thomas De Schampheleirebb335172013-10-02 22:06:40 +0200217# initial definition so that 'make clean' works for most users, even without
218# .config. HOST_DIR will be overwritten later when .config is included.
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200219HOST_DIR := $(BASE_DIR)/host
Thomas Petazzoni4a9a21b2015-02-05 22:19:56 +0100220GRAPHS_DIR := $(BASE_DIR)/graphs
Thomas De Schampheleirebb335172013-10-02 22:06:40 +0200221
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200222LEGAL_INFO_DIR = $(BASE_DIR)/legal-info
223REDIST_SOURCES_DIR_TARGET = $(LEGAL_INFO_DIR)/sources
224REDIST_SOURCES_DIR_HOST = $(LEGAL_INFO_DIR)/host-sources
225LICENSE_FILES_DIR_TARGET = $(LEGAL_INFO_DIR)/licenses
226LICENSE_FILES_DIR_HOST = $(LEGAL_INFO_DIR)/host-licenses
227LEGAL_MANIFEST_CSV_TARGET = $(LEGAL_INFO_DIR)/manifest.csv
228LEGAL_MANIFEST_CSV_HOST = $(LEGAL_INFO_DIR)/host-manifest.csv
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200229LEGAL_WARNINGS = $(LEGAL_INFO_DIR)/.warnings
230LEGAL_REPORT = $(LEGAL_INFO_DIR)/README
Thomas De Schampheleirebb335172013-10-02 22:06:40 +0200231
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200232BR2_CONFIG = $(CONFIG_DIR)/.config
Yann E. MORIN2b0f4552013-01-13 11:52:20 +0000233
Ulf Samuelssona1b06512008-03-28 07:31:28 +0000234# Pull in the user's configuration file
235ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
Arnout Vandecappelle4113b3c2014-02-04 16:18:52 +0100236-include $(BR2_CONFIG)
Ulf Samuelsson7521f372007-09-12 04:34:16 +0000237endif
Eric Andersen2d523c22004-10-09 01:06:03 +0000238
Thomas Petazzonid9a4c0c2019-11-05 17:46:41 +0100239ifeq ($(BR2_PER_PACKAGE_DIRECTORIES),)
240# Disable top-level parallel build if per-package directories is not
241# used. Indeed, per-package directories is necessary to guarantee
242# determinism and reproducibility with top-level parallel build.
Thomas Petazzoni052fec02018-11-23 15:58:09 +0100243.NOTPARALLEL:
Thomas Petazzonid9a4c0c2019-11-05 17:46:41 +0100244endif
Thomas Petazzoni052fec02018-11-23 15:58:09 +0100245
Gilles Chanteperdrixa5f35132016-06-14 17:31:10 +0200246# timezone and locale may affect build output
247ifeq ($(BR2_REPRODUCIBLE),y)
Jérôme Pouiller3111f6a2016-11-23 13:58:57 +0100248export TZ = UTC
249export LANG = C
250export LC_ALL = C
Gilles Chanteperdrixa5f35132016-06-14 17:31:10 +0200251endif
252
Bernhard Reutner-Fischerafc61c62007-06-28 10:47:05 +0000253# To put more focus on warnings, be less verbose as default
254# Use 'make V=1' to see the full commands
Masahiro Yamada6bf9e232015-04-07 14:09:09 +0900255ifeq ("$(origin V)", "command line")
256 KBUILD_VERBOSE = $(V)
Bernhard Reutner-Fischerafc61c62007-06-28 10:47:05 +0000257endif
258ifndef KBUILD_VERBOSE
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200259 KBUILD_VERBOSE = 0
Bernhard Reutner-Fischerafc61c62007-06-28 10:47:05 +0000260endif
261
262ifeq ($(KBUILD_VERBOSE),1)
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200263 Q =
Bernhard Reutner-Fischer1669b6e2007-09-22 14:19:22 +0000264ifndef VERBOSE
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200265 VERBOSE = 1
Bernhard Reutner-Fischer1669b6e2007-09-22 14:19:22 +0000266endif
Cédric Marie30702982015-06-23 23:36:06 +0200267export VERBOSE
Bernhard Reutner-Fischerafc61c62007-06-28 10:47:05 +0000268else
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200269 Q = @
Bernhard Reutner-Fischerafc61c62007-06-28 10:47:05 +0000270endif
271
Peter Korsgaard69f85922009-01-01 21:20:35 +0000272# kconfig uses CONFIG_SHELL
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200273CONFIG_SHELL := $(SHELL)
Peter Korsgaard69f85922009-01-01 21:20:35 +0000274
Cédric Marie474d39a2015-10-08 22:03:37 +0200275export SHELL CONFIG_SHELL Q KBUILD_VERBOSE
Bernhard Reutner-Fischerafc61c62007-06-28 10:47:05 +0000276
277ifndef HOSTAR
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200278HOSTAR := ar
Bernhard Reutner-Fischerafc61c62007-06-28 10:47:05 +0000279endif
280ifndef HOSTAS
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200281HOSTAS := as
Bernhard Reutner-Fischerafc61c62007-06-28 10:47:05 +0000282endif
283ifndef HOSTCC
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200284HOSTCC := gcc
Yann E. MORIN556a0a12021-10-01 20:08:32 +0200285HOSTCC := $(shell which $(HOSTCC) || type -p $(HOSTCC) || echo gcc)
Bernhard Reutner-Fischerafc61c62007-06-28 10:47:05 +0000286endif
Markus Mayerc5912e72021-09-28 12:55:33 -0700287ifndef HOSTCC_NOCCACHE
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200288HOSTCC_NOCCACHE := $(HOSTCC)
Markus Mayerc5912e72021-09-28 12:55:33 -0700289endif
Bernhard Reutner-Fischerafc61c62007-06-28 10:47:05 +0000290ifndef HOSTCXX
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200291HOSTCXX := g++
Yann E. MORIN556a0a12021-10-01 20:08:32 +0200292HOSTCXX := $(shell which $(HOSTCXX) || type -p $(HOSTCXX) || echo g++)
Bernhard Reutner-Fischerafc61c62007-06-28 10:47:05 +0000293endif
Markus Mayerc5912e72021-09-28 12:55:33 -0700294ifndef HOSTCXX_NOCCACHE
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200295HOSTCXX_NOCCACHE := $(HOSTCXX)
Markus Mayerc5912e72021-09-28 12:55:33 -0700296endif
Ulf Samuelsson356133b2007-09-28 19:46:58 +0000297ifndef HOSTCPP
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200298HOSTCPP := cpp
Ulf Samuelsson356133b2007-09-28 19:46:58 +0000299endif
Bernhard Reutner-Fischerafc61c62007-06-28 10:47:05 +0000300ifndef HOSTLD
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200301HOSTLD := ld
Bernhard Reutner-Fischerafc61c62007-06-28 10:47:05 +0000302endif
Ulf Samuelsson0f9c5b12007-07-15 21:54:11 +0000303ifndef HOSTLN
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200304HOSTLN := ln
Ulf Samuelsson0f9c5b12007-07-15 21:54:11 +0000305endif
Ulf Samuelsson356133b2007-09-28 19:46:58 +0000306ifndef HOSTNM
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200307HOSTNM := nm
Ulf Samuelsson356133b2007-09-28 19:46:58 +0000308endif
Thomas Petazzonif1f44512013-11-11 17:47:26 +0100309ifndef HOSTOBJCOPY
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200310HOSTOBJCOPY := objcopy
Thomas Petazzonif1f44512013-11-11 17:47:26 +0100311endif
312ifndef HOSTRANLIB
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200313HOSTRANLIB := ranlib
Thomas Petazzonif1f44512013-11-11 17:47:26 +0100314endif
Yann E. MORIN556a0a12021-10-01 20:08:32 +0200315HOSTAR := $(shell which $(HOSTAR) || type -p $(HOSTAR) || echo ar)
316HOSTAS := $(shell which $(HOSTAS) || type -p $(HOSTAS) || echo as)
317HOSTCPP := $(shell which $(HOSTCPP) || type -p $(HOSTCPP) || echo cpp)
318HOSTLD := $(shell which $(HOSTLD) || type -p $(HOSTLD) || echo ld)
319HOSTLN := $(shell which $(HOSTLN) || type -p $(HOSTLN) || echo ln)
320HOSTNM := $(shell which $(HOSTNM) || type -p $(HOSTNM) || echo nm)
321HOSTOBJCOPY := $(shell which $(HOSTOBJCOPY) || type -p $(HOSTOBJCOPY) || echo objcopy)
322HOSTRANLIB := $(shell which $(HOSTRANLIB) || type -p $(HOSTRANLIB) || echo ranlib)
323SED := $(shell which sed || type -p sed) -i -e
Ulf Samuelsson54e93322008-07-06 07:34:41 +0000324
Masahiro Yamadaa9847d12015-04-09 20:28:55 +0900325export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTLD
Thomas Petazzoni17b66af2010-12-07 21:09:56 +0100326export HOSTCC_NOCCACHE HOSTCXX_NOCCACHE
Bernhard Reutner-Fischerafc61c62007-06-28 10:47:05 +0000327
Yann E. MORIN91ea9332015-11-09 20:00:21 +0100328# Determine the userland we are running on.
329#
330# Note that, despite its name, we are not interested in the actual
331# architecture name. This is mostly used to determine whether some
332# of the binary tools (e.g. pre-built external toolchains) can run
333# on the current host. So we need to know if the userland we're
334# running on can actually run those toolchains.
335#
336# For example, a 64-bit prebuilt toolchain will not run on a 64-bit
337# kernel if the userland is 32-bit (e.g. in a chroot for example).
338#
339# So, we extract the first part of the tuple the host gcc was
340# configured to generate code for; we assume this is our userland.
341#
Romain Naour86229d62016-01-20 22:53:19 +0100342export HOSTARCH := $(shell LC_ALL=C $(HOSTCC_NOCCACHE) -v 2>&1 | \
Yann E. MORIN91ea9332015-11-09 20:00:21 +0100343 sed -e '/^Target: \([^-]*\).*/!d' \
344 -e 's//\1/' \
345 -e 's/i.86/x86/' \
346 -e 's/sun4u/sparc64/' \
347 -e 's/arm.*/arm/' \
348 -e 's/sa110/arm/' \
349 -e 's/ppc64/powerpc64/' \
350 -e 's/ppc/powerpc/' \
351 -e 's/macppc/powerpc/' \
352 -e 's/sh.*/sh/' )
353
Yann E. MORIN3950e692018-10-23 11:08:40 +0200354# When adding a new host gcc version in Config.in,
355# update the HOSTCC_MAX_VERSION variable:
Adam Duskettda889332023-11-02 18:06:49 -0600356HOSTCC_MAX_VERSION := 11
Yann E. MORIN3950e692018-10-23 11:08:40 +0200357
358HOSTCC_VERSION := $(shell V=$$($(HOSTCC_NOCCACHE) --version | \
359 sed -n -r 's/^.* ([0-9]*)\.([0-9]*)\.([0-9]*)[ ]*.*/\1 \2/p'); \
360 [ "$${V%% *}" -le $(HOSTCC_MAX_VERSION) ] || V=$(HOSTCC_MAX_VERSION); \
361 printf "%s" "$${V}")
Arnout Vandecappelle12825f72015-12-31 01:34:13 +0100362
363# For gcc >= 5.x, we only need the major version.
364ifneq ($(firstword $(HOSTCC_VERSION)),4)
365HOSTCC_VERSION := $(firstword $(HOSTCC_VERSION))
366endif
367
Yann E. MORINc2a93582018-03-04 11:29:04 +0100368ifeq ($(BR2_NEEDS_HOST_UTF8_LOCALE),y)
369# First, we try to use the user's configured locale (as that's the
370# language they'd expect messages to be displayed), then we favour
371# a non language-specific locale like C.UTF-8 if one is available,
372# so we sort with the C locale to get it at the top.
373# This is guaranteed to not be empty, because of the check in
374# support/dependencies/dependencies.sh
375HOST_UTF8_LOCALE := $(shell \
376 ( echo $${LC_ALL:-$${LC_MESSAGES:-$${LANG}}}; \
377 locale -a 2>/dev/null | LC_ALL=C sort \
378 ) \
379 | grep -i -E 'utf-?8$$' \
380 | head -n 1)
381HOST_UTF8_LOCALE_ENV := LC_ALL=$(HOST_UTF8_LOCALE)
382endif
383
Arnout Vandecappelle670cb302012-06-30 10:29:22 +0000384# Make sure pkg-config doesn't look outside the buildroot tree
Bjørn Forsman0515fe42015-01-03 00:58:47 +0100385HOST_PKG_CONFIG_PATH := $(PKG_CONFIG_PATH)
Arnout Vandecappelle670cb302012-06-30 10:29:22 +0000386unexport PKG_CONFIG_PATH
Charles Manning4f607ed2012-12-02 11:13:04 +0000387unexport PKG_CONFIG_SYSROOT_DIR
Peter Korsgaardbdf472d2013-09-11 14:15:15 +0200388unexport PKG_CONFIG_LIBDIR
Arnout Vandecappelle670cb302012-06-30 10:29:22 +0000389
Thomas Petazzoni91123a62012-07-02 04:21:14 +0000390# Having DESTDIR set in the environment confuses the installation
391# steps of some packages.
392unexport DESTDIR
393
Gustavo Zacariasbed61a72013-07-11 11:37:33 -0300394# Causes breakage with packages that needs host-ruby
395unexport RUBYOPT
396
Gleb Mazovetskiyf7a60112022-11-06 14:26:34 +0000397# Compilation of perl-related packages will fail otherwise
398unexport PERL_MM_OPT
399
Thomas De Schampheleire3ed0ead2014-08-15 15:40:34 +0200400include package/pkg-utils.mk
Yann E. MORINab6a6212014-10-03 19:01:52 +0200401include package/doc-asciidoc.mk
Thomas De Schampheleire3ed0ead2014-08-15 15:40:34 +0200402
Bernhard Reutner-Fischercfe511b2007-09-29 13:58:30 +0000403ifeq ($(BR2_HAVE_DOT_CONFIG),y)
Eric Andersenffde94b2001-12-22 00:56:11 +0000404
Alexandre Belloni95442bb2013-06-07 12:13:46 +0200405################################################################################
Peter Korsgaard2c649042007-06-19 15:19:27 +0000406#
407# Hide troublesome environment variables from sub processes
408#
Alexandre Belloni95442bb2013-06-07 12:13:46 +0200409################################################################################
Peter Korsgaard2c649042007-06-19 15:19:27 +0000410unexport CROSS_COMPILE
411unexport ARCH
Daniel Nyström2bf3c162010-12-26 00:29:42 +0100412unexport CC
Nicolas Dichtel376737d2016-04-14 16:58:32 +0200413unexport LD
414unexport AR
Daniel Nyström2bf3c162010-12-26 00:29:42 +0100415unexport CXX
416unexport CPP
Tom Rini344c5a22015-11-17 14:04:04 -0500417unexport RANLIB
Daniel Nyström2bf3c162010-12-26 00:29:42 +0100418unexport CFLAGS
419unexport CXXFLAGS
420unexport GREP_OPTIONS
Nixf5437a62014-01-26 22:58:02 +0000421unexport TAR_OPTIONS
Peter Korsgaard12c9f7d2011-12-12 10:25:50 +0100422unexport CONFIG_SITE
Stephan Hoffmann32314b42012-08-17 13:54:16 +0200423unexport QMAKESPEC
Nathan Lynch20ca0082012-07-10 07:37:22 +0000424unexport TERMINFO
Risto Avila6d3b9752014-09-24 04:37:13 +0000425unexport MACHINE
Guido Martínez2e323302015-07-25 16:07:39 -0300426unexport O
Yann E. MORIN6cff7412017-02-14 18:24:32 +0100427unexport GCC_COLORS
Thomas De Schampheleired3e535a2019-02-05 12:03:42 +0100428unexport PLATFORM
429unexport OS
Peter Korsgaardd3910052022-02-23 13:41:08 +0100430unexport DEVICE_TREE
Bernhard Reutner-Fischer7dcbbfb2007-06-02 09:05:40 +0000431
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200432GNU_HOST_NAME := $(shell support/gnuconfig/config.guess)
Thomas Petazzoni60281cb2010-04-10 23:17:25 +0200433
Thomas Petazzoni8a58e022015-04-12 18:37:48 +0200434PACKAGES :=
Yann E. MORIN0ea851c2015-10-22 22:33:56 +0200435PACKAGES_ALL :=
Bernhard Reutner-Fischeracc706b2007-07-23 11:29:38 +0000436
Peter Korsgaard89464a92009-09-30 17:39:44 +0200437# silent mode requested?
Fabio Porceddafffb68a2015-01-01 21:03:50 +0100438QUIET := $(if $(findstring s,$(filter-out --%,$(MAKEFLAGS))),-q)
Peter Korsgaard89464a92009-09-30 17:39:44 +0200439
Thomas Petazzoni397fe5c2009-09-05 15:49:30 +0200440# Strip off the annoying quoting
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200441ARCH := $(call qstrip,$(BR2_ARCH))
Thomas De Schampheleiredd8a4102022-01-15 21:03:00 +0100442NORMALIZED_ARCH := $(call qstrip,$(BR2_NORMALIZED_ARCH))
443KERNEL_ARCH := $(call qstrip,$(BR2_NORMALIZED_ARCH))
Peter Korsgaard891973f2010-10-17 23:32:37 +0200444
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200445ZCAT := $(call qstrip,$(BR2_ZCAT))
446BZCAT := $(call qstrip,$(BR2_BZCAT))
447XZCAT := $(call qstrip,$(BR2_XZCAT))
Baruch Siachf1650322017-02-12 22:15:39 +0200448LZCAT := $(call qstrip,$(BR2_LZCAT))
Matt Staveley-Taylor7d0707c2024-04-08 02:38:44 +0100449ZSTDCAT := $(call qstrip,$(BR2_ZSTDCAT))
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200450TAR_OPTIONS = $(call qstrip,$(BR2_TAR_OPTIONS)) -xf
Bernhard Reutner-Fischer1dbe6e32007-08-21 17:56:47 +0000451
Thomas Petazzonic4e6d5c2019-11-05 17:46:40 +0100452ifeq ($(BR2_PER_PACKAGE_DIRECTORIES),y)
453HOST_DIR = $(if $(PKG),$(PER_PACKAGE_DIR)/$($(PKG)_NAME)/host,$(call qstrip,$(BR2_HOST_DIR)))
454TARGET_DIR = $(if $(ROOTFS),$(ROOTFS_$(ROOTFS)_TARGET_DIR),$(if $(PKG),$(PER_PACKAGE_DIR)/$($(PKG)_NAME)/target,$(BASE_TARGET_DIR)))
455else
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200456HOST_DIR := $(call qstrip,$(BR2_HOST_DIR))
Thomas Petazzonia86b6262018-12-28 11:43:29 +0100457TARGET_DIR = $(if $(ROOTFS),$(ROOTFS_$(ROOTFS)_TARGET_DIR),$(BASE_TARGET_DIR))
Thomas Petazzonic4e6d5c2019-11-05 17:46:40 +0100458endif
Thomas Petazzonia86b6262018-12-28 11:43:29 +0100459
Arnout Vandecappelle (Essensium/Mind)91b4a452017-08-04 18:31:30 +0200460ifneq ($(HOST_DIR),$(BASE_DIR)/host)
461HOST_DIR_SYMLINK = $(BASE_DIR)/host
Danomi Manchego7d38e582020-07-12 21:13:21 -0400462$(HOST_DIR_SYMLINK): | $(BASE_DIR)
Thomas De Schampheleire1b622272020-02-18 16:00:59 +0100463 ln -snf $(HOST_DIR) $(HOST_DIR_SYMLINK)
Arnout Vandecappelle (Essensium/Mind)91b4a452017-08-04 18:31:30 +0200464endif
465
Thomas De Schampheleire9b824422020-02-18 16:01:00 +0100466STAGING_DIR_SYMLINK = $(BASE_DIR)/staging
Danomi Manchego7d38e582020-07-12 21:13:21 -0400467$(STAGING_DIR_SYMLINK): | $(BASE_DIR)
Thomas De Schampheleire9b824422020-02-18 16:01:00 +0100468 ln -snf $(STAGING_DIR) $(STAGING_DIR_SYMLINK)
469
Samuel Martincaa329b2014-04-15 00:31:04 +0200470# Quotes are needed for spaces and all in the original PATH content.
Arnout Vandecappelle4c8872d2017-07-04 16:03:55 +0200471BR_PATH = "$(HOST_DIR)/bin:$(HOST_DIR)/sbin:$(PATH)"
Samuel Martincaa329b2014-04-15 00:31:04 +0200472
Thomas Petazzoni9226a992012-11-17 03:52:14 +0000473# Location of a file giving a big fat warning that output/target
474# should not be used as the root filesystem.
Thomas Petazzonibeef2b42018-11-23 15:58:10 +0100475TARGET_DIR_WARNING_FILE = $(TARGET_DIR)/THIS_IS_NOT_YOUR_ROOT_FILESYSTEM
Thomas Petazzoni9226a992012-11-17 03:52:14 +0000476
Thomas Petazzoni17b66af2010-12-07 21:09:56 +0100477ifeq ($(BR2_CCACHE),y)
Thomas Petazzoni11e8c902018-11-23 15:58:06 +0100478CCACHE = $(HOST_DIR)/bin/ccache
Gustavo Zacarias3901cb52015-10-15 10:24:39 -0300479BR_CACHE_DIR ?= $(call qstrip,$(BR2_CCACHE_DIR))
Arnout Vandecappellee7ab4b42014-02-04 16:18:50 +0100480export BR_CACHE_DIR
Thomas Petazzoni11e8c902018-11-23 15:58:06 +0100481HOSTCC = $(CCACHE) $(HOSTCC_NOCCACHE)
482HOSTCXX = $(CCACHE) $(HOSTCXX_NOCCACHE)
Paul Cercueild5c0eae2022-01-13 21:04:31 +0000483export BR2_USE_CCACHE ?= 1
Thomas Petazzoni17b66af2010-12-07 21:09:56 +0100484endif
485
Yann E. MORIN2b0f4552013-01-13 11:52:20 +0000486# Scripts in support/ or post-build scripts may need to reference
487# these locations, so export them so it is easier to use
Arnout Vandecappelle4113b3c2014-02-04 16:18:52 +0100488export BR2_CONFIG
Gilles Chanteperdrixa5f35132016-06-14 17:31:10 +0200489export BR2_REPRODUCIBLE
Yann E. MORIN2b0f4552013-01-13 11:52:20 +0000490export TARGET_DIR
491export STAGING_DIR
492export HOST_DIR
493export BINARIES_DIR
Peter Korsgaard1300cb52013-01-14 10:02:29 +0100494export BASE_DIR
Yann E. MORIN2b0f4552013-01-13 11:52:20 +0000495
Alexandre Belloni95442bb2013-06-07 12:13:46 +0200496################################################################################
Eric Andersen08782ae2002-04-26 11:45:55 +0000497#
Eric Andersenef407d32004-01-29 23:21:00 +0000498# You should probably leave this stuff alone unless you know
Eric Andersen08782ae2002-04-26 11:45:55 +0000499# what you are doing.
500#
Alexandre Belloni95442bb2013-06-07 12:13:46 +0200501################################################################################
Manuel Novoa III d632d422003-11-01 05:34:41 +0000502
Bernhard Reutner-Fischer6547bce2007-08-22 12:35:41 +0000503all: world
Eric Andersenffde94b2001-12-22 00:56:11 +0000504
Arnout Vandecappelle (Essensium/Mind)ebcfa982012-11-12 10:08:28 +0000505# Include legacy before the other things, because package .mk files
506# may rely on it.
Arnout Vandecappelle (Essensium/Mind)ebcfa982012-11-12 10:08:28 +0000507include Makefile.legacy
Arnout Vandecappelle (Essensium/Mind)ebcfa982012-11-12 10:08:28 +0000508
Yann E. MORIN2de968f2017-07-18 19:25:31 +0200509include system/system.mk
Thomas Petazzoni486253d2012-04-17 16:45:23 +0200510include package/Makefile.in
Mark Corbinbd0640a2018-09-12 11:22:53 +0100511# arch/arch.mk must be after package/Makefile.in because it may need to
Yann E. MORIN8efa2d82017-03-14 11:30:30 -0700512# complement variables defined therein, like BR_NO_CHECK_HASH_FOR.
Mark Corbinbd0640a2018-09-12 11:22:53 +0100513include arch/arch.mk
Thomas De Schampheleirea7926682012-02-08 17:22:16 +0100514include support/dependencies/dependencies.mk
515
Peter Seidererb9d2d4c2017-11-21 20:13:30 +0100516include $(sort $(wildcard toolchain/*.mk))
517include $(sort $(wildcard toolchain/*/*.mk))
Bernhard Reutner-Fischeracc706b2007-07-23 11:29:38 +0000518
James Byrne9b471462018-04-09 17:08:01 +0100519ifeq ($(BR2_REPRODUCIBLE),y)
520# If SOURCE_DATE_EPOCH has not been set then use the commit date, or the last
521# release date if the source tree is not within a Git repository.
522# See: https://reproducible-builds.org/specs/source-date-epoch/
James Byrne49395dc2018-04-10 11:28:12 +0100523BR2_VERSION_GIT_EPOCH := $(shell $(GIT) log -1 --format=%at 2> /dev/null)
James Byrne9b471462018-04-09 17:08:01 +0100524export SOURCE_DATE_EPOCH ?= $(or $(BR2_VERSION_GIT_EPOCH),$(BR2_VERSION_EPOCH))
525endif
526
Thomas Petazzoniee0246e2011-09-29 21:57:38 +0200527# Include the package override file if one has been provided in the
528# configuration.
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200529PACKAGE_OVERRIDE_FILE = $(call qstrip,$(BR2_PACKAGE_OVERRIDE_FILE))
Thomas Petazzoniee0246e2011-09-29 21:57:38 +0200530ifneq ($(PACKAGE_OVERRIDE_FILE),)
531-include $(PACKAGE_OVERRIDE_FILE)
532endif
533
Jérôme Pouiller741cbcc2013-09-03 10:45:41 +0200534include $(sort $(wildcard package/*/*.mk))
Eric Andersend06645d2005-02-10 03:06:39 +0000535
Peter Korsgaard64d8e9a2010-11-07 19:33:11 +0100536include boot/common.mk
Peter Korsgaard64d8e9a2010-11-07 19:33:11 +0100537include linux/linux.mk
Philippe Reynes00b1ff62014-05-05 09:52:13 +0200538include fs/common.mk
Peter Korsgaard64d8e9a2010-11-07 19:33:11 +0100539
Yann E. MORIN20cd4972016-10-14 16:39:20 +0200540# If using a br2-external tree, the BR2_EXTERNAL_$(NAME)_PATH variables
541# are also present in the .config file. Since .config is included after
542# we defined them in the Makefile, the values for those variables are
543# quoted. We just include the generated Makefile fragment .br2-external.mk
544# a third time, which will set those variables to the un-quoted values.
Yann E. MORINfc34cf72016-10-14 16:39:17 +0200545include $(BR2_EXTERNAL_FILE)
546
Yann E. MORIN64e12a32016-10-14 16:39:14 +0200547# Nothing to include if no BR2_EXTERNAL tree in use
Yann E. MORIN20cd4972016-10-14 16:39:20 +0200548include $(BR2_EXTERNAL_MKS)
Thomas Petazzoni8eb8aaf2013-12-05 20:11:11 +0100549
Thomas Petazzoni3e1b33a2016-01-01 01:01:23 +0100550# Now we are sure we have all the packages scanned and defined. We now
551# check for each package in the list of enabled packages, that all its
552# dependencies are indeed enabled.
553#
554# Only trigger the check for default builds. If the user forces building
555# a package, even if not enabled in the configuration, we want to accept
Adam Duskettbbf32a72019-01-02 10:49:20 -0500556# it. However; we also want to be able to force checking the dependencies
557# if the user so desires. Forcing a dependency check is useful in the case
558# of test-pkg, as we want to make sure during testing, that a package has
559# all the dependencies selected in the config file.
Thomas Petazzoni3e1b33a2016-01-01 01:01:23 +0100560#
561ifeq ($(MAKECMDGOALS),)
Adam Duskettbbf32a72019-01-02 10:49:20 -0500562BR_FORCE_CHECK_DEPENDENCIES = YES
563endif
564
565ifeq ($(BR_FORCE_CHECK_DEPENDENCIES),YES)
Thomas Petazzoni3e1b33a2016-01-01 01:01:23 +0100566
567define CHECK_ONE_DEPENDENCY
568ifeq ($$($(2)_TYPE),target)
Thomas Petazzoni3e1b33a2016-01-01 01:01:23 +0100569ifneq ($$($$($(2)_KCONFIG_VAR)),y)
570$$(error $$($(2)_NAME) is in the dependency chain of $$($(1)_NAME) that \
571has added it to its _DEPENDENCIES variable without selecting it or \
572depending on it from Config.in)
573endif
574endif
Thomas Petazzoni3e1b33a2016-01-01 01:01:23 +0100575endef
576
577$(foreach pkg,$(call UPPERCASE,$(PACKAGES)),\
578 $(foreach dep,$(call UPPERCASE,$($(pkg)_FINAL_ALL_DEPENDENCIES)),\
579 $(eval $(call CHECK_ONE_DEPENDENCY,$(pkg),$(dep))$(sep))))
580
581endif
582
Arnout Vandecappelle4113b3c2014-02-04 16:18:52 +0100583$(BUILD_DIR)/buildroot-config/auto.conf: $(BR2_CONFIG)
Petr Vorel6eacea52018-09-19 13:36:15 +0200584 $(MAKE1) $(EXTRAMAKEARGS) HOSTCC="$(HOSTCC_NOCCACHE)" HOSTCXX="$(HOSTCXX_NOCCACHE)" syncconfig
Thomas Petazzoni0b368802010-08-22 07:27:09 +0200585
Arnout Vandecappelle6ab14ff2017-06-15 00:11:32 +0200586.PHONY: prepare
Thomas Petazzoni0b368802010-08-22 07:27:09 +0200587prepare: $(BUILD_DIR)/buildroot-config/auto.conf
Markus Mayer9b2a3772020-01-21 15:09:56 -0800588 @$(foreach s, $(call qstrip,$(BR2_ROOTFS_PRE_BUILD_SCRIPT)), \
589 $(call MESSAGE,"Executing pre-build script $(s)"); \
Heiko Thieryb7cc5722024-03-28 15:09:20 +0100590 $(EXTRA_ENV) $(s) \
591 $(TARGET_DIR) \
592 $(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS)) \
593 $(call qstrip,$(BR2_ROOTFS_PRE_BUILD_SCRIPT_ARGS))$(sep))
Thomas Petazzoni0b368802010-08-22 07:27:09 +0200594
Arnout Vandecappelle5f94c972017-06-15 00:11:31 +0200595.PHONY: world
Fabio Porceddaa2487752014-02-14 10:55:06 +0100596world: target-post-image
Fabio Porcedda2a786412013-01-14 22:02:00 +0000597
Yann E. MORINc32ad512018-08-04 10:27:41 +0200598.PHONY: prepare-sdk
599prepare-sdk: world
Wolfgang Grandegger994301a2017-07-22 13:15:40 +0200600 @$(call MESSAGE,"Rendering the SDK relocatable")
Victor Dumas13490042022-10-20 13:55:12 +0200601 PARALLEL_JOBS=$(PARALLEL_JOBS) \
602 PER_PACKAGE_DIR=$(PER_PACKAGE_DIR) \
603 $(TOPDIR)/support/scripts/fix-rpath host
604 PARALLEL_JOBS=$(PARALLEL_JOBS) \
605 PER_PACKAGE_DIR=$(PER_PACKAGE_DIR) \
606 $(TOPDIR)/support/scripts/fix-rpath staging
Brandon Maier25e60fb2022-12-27 09:43:00 -0600607 $(call ppd-fixup-paths,$(BASE_DIR))
Wolfgang Grandegger994301a2017-07-22 13:15:40 +0200608 $(INSTALL) -m 755 $(TOPDIR)/support/misc/relocate-sdk.sh $(HOST_DIR)/relocate-sdk.sh
Stefan Becker6697f3b2018-03-26 10:23:32 +0300609 mkdir -p $(HOST_DIR)/share/buildroot
Wolfgang Grandegger994301a2017-07-22 13:15:40 +0200610 echo $(HOST_DIR) > $(HOST_DIR)/share/buildroot/sdk-location
611
Yann E. MORINc32ad512018-08-04 10:27:41 +0200612BR2_SDK_PREFIX ?= $(GNU_TARGET_NAME)_sdk-buildroot
613.PHONY: sdk
614sdk: prepare-sdk $(BR2_TAR_HOST_DEPENDENCY)
615 @$(call MESSAGE,"Generating SDK tarball")
616 $(if $(BR2_SDK_PREFIX),,$(error BR2_SDK_PREFIX can not be empty))
617 $(Q)mkdir -p $(BINARIES_DIR)
618 $(TAR) czf "$(BINARIES_DIR)/$(BR2_SDK_PREFIX).tar.gz" \
619 --owner=0 --group=0 --numeric-owner \
Joel Carlson8fed1622018-12-22 16:18:52 +0100620 --transform='s#^$(patsubst /%,%,$(HOST_DIR))#$(BR2_SDK_PREFIX)#' \
621 -C / $(patsubst /%,%,$(HOST_DIR))
Yann E. MORINc32ad512018-08-04 10:27:41 +0200622
Thomas De Schampheleire7ad28652013-11-07 11:41:22 +0100623RSYNC_VCS_EXCLUSIONS = \
624 --exclude .svn --exclude .git --exclude .hg --exclude .bzr \
625 --exclude CVS
626
John Keepinge5e0f632018-07-03 11:06:14 +0100627# When stripping, obey to BR2_STRIP_EXCLUDE_DIRS and
628# BR2_STRIP_EXCLUDE_FILES
629STRIP_FIND_COMMON_CMD = \
630 find $(TARGET_DIR) \
631 $(if $(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS)), \
632 \( $(call finddirclauses,$(TARGET_DIR),$(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS))) \) \
633 -prune -o \
634 ) \
635 $(if $(call qstrip,$(BR2_STRIP_EXCLUDE_FILES)), \
636 -not \( $(call findfileclauses,$(call qstrip,$(BR2_STRIP_EXCLUDE_FILES))) \) )
637
638# Regular stripping for everything, except libpthread, ld-*.so and
639# kernel modules:
Thomas De Schampheleire06635912014-04-30 21:29:02 +0200640# - libpthread.so: a non-stripped libpthread shared library is needed for
641# proper debugging of pthread programs using gdb.
Peter Seiderer1edb4c52015-10-06 21:51:36 +0200642# - ld.so: a non-stripped dynamic linker library is needed for valgrind
Thomas De Schampheleire06635912014-04-30 21:29:02 +0200643# - kernel modules (*.ko): do not function properly when stripped like normal
644# applications and libraries. Normally kernel modules are already excluded
John Keepinge5e0f632018-07-03 11:06:14 +0100645# by the executable permission check, so the explicit exclusion is only
Thomas De Schampheleire06635912014-04-30 21:29:02 +0200646# done for kernel modules with incorrect permissions.
John Keepinge5e0f632018-07-03 11:06:14 +0100647STRIP_FIND_CMD = \
648 $(STRIP_FIND_COMMON_CMD) \
649 -type f \( -perm /111 -o -name '*.so*' \) \
650 -not \( $(call findfileclauses,libpthread*.so* ld-*.so* *.ko) \) \
651 -print0
652
653# Special stripping (only debugging symbols) for libpthread and ld-*.so.
654STRIP_FIND_SPECIAL_LIBS_CMD = \
655 $(STRIP_FIND_COMMON_CMD) \
656 \( -name 'ld-*.so*' -o -name 'libpthread*.so*' \) \
657 -print0
Thomas De Schampheleire2a970452012-06-21 19:34:50 +0000658
Gleb Mazovetskiy6fbdf512021-01-03 17:15:25 +0000659# Generate locale data.
Fabio Porcedda33de7402014-06-27 14:15:58 +0200660ifeq ($(BR2_TOOLCHAIN_USES_GLIBC),y)
Thomas Petazzoni404f4932014-11-13 23:17:23 +0100661GLIBC_GENERATE_LOCALES = $(call qstrip,$(BR2_GENERATE_LOCALE))
662ifneq ($(GLIBC_GENERATE_LOCALES),)
Thomas Petazzoni8a58e022015-04-12 18:37:48 +0200663PACKAGES += host-localedef
Fabio Porcedda33de7402014-06-27 14:15:58 +0200664
Thomas Petazzoni404f4932014-11-13 23:17:23 +0100665define GENERATE_GLIBC_LOCALES
yann.morin@orange.com4164ed22022-10-14 13:18:25 +0200666 +$(MAKE) -f support/misc/gen-glibc-locales.mk \
Gleb Mazovetskiy6fbdf512021-01-03 17:15:25 +0000667 ENDIAN=$(call LOWERCASE,$(BR2_ENDIAN)) \
668 LOCALES="$(GLIBC_GENERATE_LOCALES)" \
669 Q=$(Q)
Fabio Porcedda33de7402014-06-27 14:15:58 +0200670endef
Thomas Petazzoni404f4932014-11-13 23:17:23 +0100671TARGET_FINALIZE_HOOKS += GENERATE_GLIBC_LOCALES
Fabio Porcedda33de7402014-06-27 14:15:58 +0200672endif
673endif
674
Fabio Porcedda58d82dd2014-04-29 17:32:34 +0200675ifeq ($(BR2_ENABLE_LOCALE_PURGE),y)
676LOCALE_WHITELIST = $(BUILD_DIR)/locales.nopurge
677LOCALE_NOPURGE = $(call qstrip,$(BR2_ENABLE_LOCALE_WHITELIST))
678
Valentine Barshakb7915712015-07-14 01:45:28 +0200679# This piece of junk does the following:
680# First collect the whitelist in a file.
681# Then go over all the locale dirs and for each subdir, check if it exists
682# in the whitelist file. If it doesn't, kill it.
683# Finally, specifically for X11, regenerate locale.dir from the whitelist.
Fabio Porcedda8d384fa2014-06-27 14:15:55 +0200684define PURGE_LOCALES
Yann E. MORINf88d5f52020-06-15 13:16:43 +0200685 printf '%s\n' $(LOCALE_NOPURGE) locale-archive > $(LOCALE_WHITELIST)
Fabio Porcedda58d82dd2014-04-29 17:32:34 +0200686
Thomas Petazzoni658a80e2020-03-16 16:46:23 +0100687 for dir in $(addprefix $(TARGET_DIR),/usr/share/locale /usr/share/X11/locale /usr/lib/locale); \
Fabio Porcedda58d82dd2014-04-29 17:32:34 +0200688 do \
Thomas Petazzoni658a80e2020-03-16 16:46:23 +0100689 if [ ! -d $$dir ]; then continue; fi; \
Arnout Vandecappelle805240b2015-07-14 01:45:27 +0200690 for langdir in $$dir/*; \
Fabio Porcedda58d82dd2014-04-29 17:32:34 +0200691 do \
Trent Piephobbe29b92016-03-08 21:02:15 +0000692 if [ -e "$${langdir}" ]; \
693 then \
694 grep -qx "$${langdir##*/}" $(LOCALE_WHITELIST) || rm -rf $$langdir; \
695 fi \
Fabio Porcedda58d82dd2014-04-29 17:32:34 +0200696 done; \
697 done
Valentine Barshakb7915712015-07-14 01:45:28 +0200698 if [ -d $(TARGET_DIR)/usr/share/X11/locale ]; \
699 then \
700 for lang in $(LOCALE_NOPURGE); \
701 do \
702 if [ -f $(TARGET_DIR)/usr/share/X11/locale/$$lang/XLC_LOCALE ]; \
703 then \
704 echo "$$lang/XLC_LOCALE: $$lang"; \
705 fi \
706 done > $(TARGET_DIR)/usr/share/X11/locale/locale.dir; \
707 fi
Fabio Porcedda58d82dd2014-04-29 17:32:34 +0200708endef
Fabio Porcedda8d384fa2014-06-27 14:15:55 +0200709TARGET_FINALIZE_HOOKS += PURGE_LOCALES
Fabio Porcedda58d82dd2014-04-29 17:32:34 +0200710endif
711
Fabio Porceddad4c0c642014-02-20 15:26:18 +0100712$(TARGETS_ROOTFS): target-finalize
713
Yann E. MORIN27659732018-03-31 11:05:51 +0200714# Avoid the rootfs name leaking down the dependency chain
715target-finalize: ROOTFS=
716
Thomas Petazzoniaa1e7472020-03-18 16:58:11 +0100717TARGET_DIR_FILES_LISTS = $(sort $(wildcard $(BUILD_DIR)/*/.files-list.txt))
718HOST_DIR_FILES_LISTS = $(sort $(wildcard $(BUILD_DIR)/*/.files-list-host.txt))
719STAGING_DIR_FILES_LISTS = $(sort $(wildcard $(BUILD_DIR)/*/.files-list-staging.txt))
720
Thomas Petazzonic4e6d5c2019-11-05 17:46:40 +0100721.PHONY: host-finalize
722host-finalize: $(PACKAGES) $(HOST_DIR) $(HOST_DIR_SYMLINK)
723 @$(call MESSAGE,"Finalizing host directory")
Yann E. MORIN23edf982023-10-17 23:01:20 +0200724 $(call per-package-rsync,$(sort $(PACKAGES)),host,$(HOST_DIR),copy)
Thomas Petazzonid0f4f952018-11-23 15:58:08 +0100725
726.PHONY: staging-finalize
Thomas De Schampheleire9b824422020-02-18 16:01:00 +0100727staging-finalize: $(STAGING_DIR_SYMLINK)
Thomas Petazzonid0f4f952018-11-23 15:58:08 +0100728
Arnout Vandecappelle5f94c972017-06-15 00:11:31 +0200729.PHONY: target-finalize
Thomas Petazzonic4e6d5c2019-11-05 17:46:40 +0100730target-finalize: $(PACKAGES) $(TARGET_DIR) host-finalize
Thomas De Schampheleire6f6a2cf2014-05-12 16:19:27 +0200731 @$(call MESSAGE,"Finalizing target directory")
Yann E. MORIN23edf982023-10-17 23:01:20 +0200732 $(call per-package-rsync,$(sort $(PACKAGES)),target,$(TARGET_DIR),copy)
Fabio Porcedda8d384fa2014-06-27 14:15:55 +0200733 $(foreach hook,$(TARGET_FINALIZE_HOOKS),$($(hook))$(sep))
Valentine Barshak94d3aa12012-10-02 08:52:15 +0000734 rm -rf $(TARGET_DIR)/usr/include $(TARGET_DIR)/usr/share/aclocal \
Luca Ceresolidf99efb2013-03-06 07:14:26 +0000735 $(TARGET_DIR)/usr/lib/pkgconfig $(TARGET_DIR)/usr/share/pkgconfig \
Andreas Naumannf08a7f32020-02-17 22:23:24 +0100736 $(TARGET_DIR)/usr/lib/cmake $(TARGET_DIR)/usr/share/cmake \
Norbert Lange960fc932022-02-22 11:22:08 +0100737 $(TARGET_DIR)/usr/lib/rpm $(TARGET_DIR)/usr/doc
Luca Ceresolidf99efb2013-03-06 07:14:26 +0000738 find $(TARGET_DIR)/usr/{lib,share}/ -name '*.cmake' -print0 | xargs -0 rm -f
Jérôme Pouiller179c5f12016-11-09 11:57:27 +0100739 find $(TARGET_DIR)/lib/ $(TARGET_DIR)/usr/lib/ $(TARGET_DIR)/usr/libexec/ \
Andreas Naumannf08a7f32020-02-17 22:23:24 +0100740 \( -name '*.a' -o -name '*.la' -o -name '*.prl' \) -print0 | xargs -0 rm -f
Malte Starostike48a72e2010-07-24 21:29:56 +0200741ifneq ($(BR2_PACKAGE_GDB),y)
742 rm -rf $(TARGET_DIR)/usr/share/gdb
743endif
Maxime Hadjinlian76d1c722015-07-12 17:25:57 +0200744ifneq ($(BR2_PACKAGE_BASH),y)
745 rm -rf $(TARGET_DIR)/usr/share/bash-completion
Danomi Manchego18072ec2020-07-13 22:24:59 -0400746 rm -rf $(TARGET_DIR)/etc/bash_completion.d
Maxime Hadjinlian76d1c722015-07-12 17:25:57 +0200747endif
748ifneq ($(BR2_PACKAGE_ZSH),y)
749 rm -rf $(TARGET_DIR)/usr/share/zsh
750endif
Peter Korsgaard32faf352009-04-07 21:04:31 +0000751 rm -rf $(TARGET_DIR)/usr/man $(TARGET_DIR)/usr/share/man
Peter Korsgaard32faf352009-04-07 21:04:31 +0000752 rm -rf $(TARGET_DIR)/usr/info $(TARGET_DIR)/usr/share/info
Thomas Petazzoni87b06372010-04-10 22:42:45 +0200753 rm -rf $(TARGET_DIR)/usr/doc $(TARGET_DIR)/usr/share/doc
Paulius Zaleckasd701a822010-05-05 13:09:36 +0300754 rm -rf $(TARGET_DIR)/usr/share/gtk-doc
Gaël PORTAY5b7013c2016-11-22 15:53:33 -0500755 rmdir $(TARGET_DIR)/usr/share 2>/dev/null || true
Danomi Manchego04e9a1e2020-07-13 22:25:54 -0400756ifneq ($(BR2_ENABLE_DEBUG):$(BR2_STRIP_strip),y:)
757 rm -rf $(TARGET_DIR)/lib/debug $(TARGET_DIR)/usr/lib/debug
758endif
Andrew Parlane26f215d2015-03-18 15:10:29 +0000759 $(STRIP_FIND_CMD) | xargs -0 $(STRIPCMD) 2>/dev/null || true
John Keepinge5e0f632018-07-03 11:06:14 +0100760 $(STRIP_FIND_SPECIAL_LIBS_CMD) | xargs -0 -r $(STRIPCMD) $(STRIP_STRIP_DEBUG) 2>/dev/null || true
Mike Frysinger8101c9a2010-11-17 18:55:43 -0500761
Thomas Petazzoni9c407232016-01-01 22:23:39 +0100762 test -f $(TARGET_DIR)/etc/ld.so.conf && \
763 { echo "ERROR: we shouldn't have a /etc/ld.so.conf file"; exit 1; } || true
764 test -d $(TARGET_DIR)/etc/ld.so.conf.d && \
765 { echo "ERROR: we shouldn't have a /etc/ld.so.conf.d directory"; exit 1; } || true
Thomas Petazzoni4ccde7f2010-08-30 22:52:18 +0200766 mkdir -p $(TARGET_DIR)/etc
Peter Korsgaard451a8872012-02-14 12:58:25 +0100767 ( \
768 echo "NAME=Buildroot"; \
769 echo "VERSION=$(BR2_VERSION_FULL)"; \
770 echo "ID=buildroot"; \
771 echo "VERSION_ID=$(BR2_VERSION)"; \
772 echo "PRETTY_NAME=\"Buildroot $(BR2_VERSION)\"" \
Chris Lesiak5f2dc442018-01-23 17:13:50 -0600773 ) > $(TARGET_DIR)/usr/lib/os-release
774 ln -sf ../usr/lib/os-release $(TARGET_DIR)/etc
Peter Korsgaard912ea812009-09-30 17:40:24 +0200775
Wolfgang Grandegger5f4ca512017-07-20 16:35:16 +0200776 @$(call MESSAGE,"Sanitizing RPATH in target tree")
Victor Dumas13490042022-10-20 13:55:12 +0200777 PARALLEL_JOBS=$(PARALLEL_JOBS) \
778 PER_PACKAGE_DIR=$(PER_PACKAGE_DIR) \
779 $(TOPDIR)/support/scripts/fix-rpath target
Wolfgang Grandegger5f4ca512017-07-20 16:35:16 +0200780
Carlos Santosdc7c6482018-05-07 11:44:29 -0300781# For a merged /usr, ensure that /lib, /bin and /sbin and their /usr
782# counterparts are appropriately setup as symlinks ones to the others.
783ifeq ($(BR2_ROOTFS_MERGED_USR),y)
784
Yann E. MORIN5754d9c2020-08-29 14:56:38 +0200785 $(foreach d, $(call qstrip,$(BR2_ROOTFS_OVERLAY)), \
786 @$(call MESSAGE,"Sanity check in overlay $(d)")$(sep) \
787 $(Q)not_merged_dirs="$$(support/scripts/check-merged-usr.sh $(d))"; \
Carlos Santosdc7c6482018-05-07 11:44:29 -0300788 test -n "$$not_merged_dirs" && { \
789 echo "ERROR: The overlay in $(d) is not" \
790 "using a merged /usr for the following directories:" \
791 $$not_merged_dirs; \
792 exit 1; \
793 } || true$(sep))
794
795endif # merged /usr
796
Yann E. MORIN5754d9c2020-08-29 14:56:38 +0200797 $(foreach d, $(call qstrip,$(BR2_ROOTFS_OVERLAY)), \
798 @$(call MESSAGE,"Copying overlay $(d)")$(sep) \
799 $(Q)$(call SYSTEM_RSYNC,$(d),$(TARGET_DIR))$(sep))
Arnout Vandecappelle (Essensium/Mind)7f860892013-02-05 07:16:00 +0000800
Thomas Petazzoni18f6c262020-08-29 14:20:54 +0200801 $(Q)$(if $(TARGET_DIR_FILES_LISTS), \
Thomas Petazzoniaa1e7472020-03-18 16:58:11 +0100802 cat $(TARGET_DIR_FILES_LISTS)) > $(BUILD_DIR)/packages-file-list.txt
Thomas Petazzoni18f6c262020-08-29 14:20:54 +0200803 $(Q)$(if $(HOST_DIR_FILES_LISTS), \
Thomas Petazzoniaa1e7472020-03-18 16:58:11 +0100804 cat $(HOST_DIR_FILES_LISTS)) > $(BUILD_DIR)/packages-file-list-host.txt
Thomas Petazzoni18f6c262020-08-29 14:20:54 +0200805 $(Q)$(if $(STAGING_DIR_FILES_LISTS), \
Thomas Petazzoniaa1e7472020-03-18 16:58:11 +0100806 cat $(STAGING_DIR_FILES_LISTS)) > $(BUILD_DIR)/packages-file-list-staging.txt
Thomas De Schampheleire509db3b2020-02-14 20:57:33 +0100807
Yann E. MORIN5754d9c2020-08-29 14:56:38 +0200808 $(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_BUILD_SCRIPT)), \
809 @$(call MESSAGE,"Executing post-build script $(s)")$(sep) \
Heiko Thieryb7cc5722024-03-28 15:09:20 +0100810 $(Q)$(EXTRA_ENV) $(s) \
811 $(TARGET_DIR) \
812 $(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS)) \
813 $(call qstrip,$(BR2_ROOTFS_POST_BUILD_SCRIPT_ARGS))$(sep))
Thomas De Schampheleired4d52d92020-03-18 16:58:13 +0100814
815 touch $(TARGET_DIR)/usr
816
Arnout Vandecappelle (Essensium/Mind)07aa5852022-07-28 21:37:26 +0200817# Note: this will run in the filesystem context, so will use a copy
818# of target/, not the real one, so the files are still available on
819# re-builds (foo-rebuild, etc...)
820define ROOTFS_RM_HWDB_DATA
821 rm -rf $(TARGET_DIR)/usr/lib/udev/hwdb.d/ $(TARGET_DIR)/etc/udev/hwdb.d/
822endef
823ROOTFS_PRE_CMD_HOOKS += ROOTFS_RM_HWDB_DATA
824
Arnout Vandecappelle5f94c972017-06-15 00:11:31 +0200825.PHONY: target-post-image
Thomas Petazzonid0f4f952018-11-23 15:58:08 +0100826target-post-image: $(TARGETS_ROOTFS) target-finalize staging-finalize
Yann E. MORIN543107d2018-03-31 11:06:01 +0200827 @rm -f $(ROOTFS_COMMON_TAR)
Brent Generousd57e7302019-08-04 17:07:07 +0200828 $(Q)mkdir -p $(BINARIES_DIR)
Thomas Petazzoni9fa32ba2013-02-07 11:58:43 +0000829 @$(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_IMAGE_SCRIPT)), \
Luca Ceresoli6d90a692013-04-08 06:50:15 +0000830 $(call MESSAGE,"Executing post-image script $(s)"); \
Heiko Thieryb7cc5722024-03-28 15:09:20 +0100831 $(EXTRA_ENV) $(s) \
832 $(BINARIES_DIR) \
833 $(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS)) \
834 $(call qstrip,$(BR2_ROOTFS_POST_IMAGE_SCRIPT_ARGS))$(sep))
Thomas Petazzoni9fa32ba2013-02-07 11:58:43 +0000835
Arnout Vandecappelle5f94c972017-06-15 00:11:31 +0200836.PHONY: source
Thomas Petazzoni17dcad02015-04-26 11:51:12 +0200837source: $(foreach p,$(PACKAGES),$(p)-all-source)
Eric Andersenffde94b2001-12-22 00:56:11 +0000838
Arnout Vandecappelle6ab14ff2017-06-15 00:11:32 +0200839.PHONY: _external-deps external-deps
Thomas Petazzoni7e679cc2015-04-26 11:51:01 +0200840_external-deps: $(foreach p,$(PACKAGES),$(p)-all-external-deps)
Peter Korsgaard155971e2008-03-04 12:19:16 +0000841external-deps:
Thomas Petazzoni7e679cc2015-04-26 11:51:01 +0200842 @$(MAKE1) -Bs $(EXTRAMAKEARGS) _external-deps | sort -u
Peter Korsgaard155971e2008-03-04 12:19:16 +0000843
Arnout Vandecappelle5f94c972017-06-15 00:11:31 +0200844.PHONY: legal-info-clean
Luca Ceresoli7e76f902012-05-17 19:33:00 +0200845legal-info-clean:
846 @rm -fr $(LEGAL_INFO_DIR)
847
Arnout Vandecappelle5f94c972017-06-15 00:11:31 +0200848.PHONY: legal-info-prepare
Luca Ceresoli7e76f902012-05-17 19:33:00 +0200849legal-info-prepare: $(LEGAL_INFO_DIR)
Yann E. MORIN719726a2017-07-05 13:20:43 +0200850 @$(call MESSAGE,"Buildroot $(BR2_VERSION_FULL) Collecting legal info")
Yann E. MORINf91e89b2023-11-06 20:09:12 +0100851 @$(call legal-license-file,HOST,buildroot,buildroot,COPYING,COPYING,support/legal-info/buildroot.hash)
Michal Sojkae33ea1c2018-10-21 12:59:24 +0100852 @$(call legal-manifest,TARGET,PACKAGE,VERSION,LICENSE,LICENSE FILES,SOURCE ARCHIVE,SOURCE SITE,DEPENDENCIES WITH LICENSES)
853 @$(call legal-manifest,HOST,PACKAGE,VERSION,LICENSE,LICENSE FILES,SOURCE ARCHIVE,SOURCE SITE,DEPENDENCIES WITH LICENSES)
Michal Sojka8f149012018-10-21 12:59:23 +0100854 @$(call legal-manifest,HOST,buildroot,$(BR2_VERSION_FULL),GPL-2.0+,COPYING,not saved,not saved)
Luca Ceresoli7e76f902012-05-17 19:33:00 +0200855 @$(call legal-warning,the Buildroot source code has not been saved)
Arnout Vandecappelle4113b3c2014-02-04 16:18:52 +0100856 @cp $(BR2_CONFIG) $(LEGAL_INFO_DIR)/buildroot.config
Luca Ceresoli7e76f902012-05-17 19:33:00 +0200857
Arnout Vandecappelle5f94c972017-06-15 00:11:31 +0200858.PHONY: legal-info
Thomas Petazzonid0f4f952018-11-23 15:58:08 +0100859legal-info: legal-info-clean legal-info-prepare $(foreach p,$(PACKAGES),$(p)-all-legal-info) \
Thomas De Schampheleire858334c2013-11-12 09:47:59 +0100860 $(REDIST_SOURCES_DIR_TARGET) $(REDIST_SOURCES_DIR_HOST)
Luca Ceresoli7e76f902012-05-17 19:33:00 +0200861 @cat support/legal-info/README.header >>$(LEGAL_REPORT)
862 @if [ -r $(LEGAL_WARNINGS) ]; then \
863 cat support/legal-info/README.warnings-header \
864 $(LEGAL_WARNINGS) >>$(LEGAL_REPORT); \
865 cat $(LEGAL_WARNINGS); fi
Luca Ceresoli7e76f902012-05-17 19:33:00 +0200866 @rm -f $(LEGAL_WARNINGS)
Yann E. MORIN7bfce062016-05-07 18:14:36 +0200867 @(cd $(LEGAL_INFO_DIR); \
868 find * -type f -exec sha256sum {} + | LC_ALL=C sort -k2 \
869 >.legal-info.sha256; \
870 mv .legal-info.sha256 legal-info.sha256)
871 @echo "Legal info produced in $(LEGAL_INFO_DIR)"
Luca Ceresoli7e76f902012-05-17 19:33:00 +0200872
Arnout Vandecappelle6ab14ff2017-06-15 00:11:32 +0200873.PHONY: show-targets
Thomas Petazzonib7d6c8a2010-05-13 19:20:33 +0200874show-targets:
Yann E. MORIN203219c2017-11-12 18:45:39 +0100875 @echo $(sort $(PACKAGES)) $(sort $(TARGETS_ROOTFS))
Thomas Petazzonib7d6c8a2010-05-13 19:20:33 +0200876
Arnout Vandecappelle6ab14ff2017-06-15 00:11:32 +0200877.PHONY: show-build-order
Yann E. MORIN75fcebb2017-04-02 15:03:38 +0200878show-build-order: $(patsubst %,%-show-build-order,$(PACKAGES))
879
Arnout Vandecappelle6ab14ff2017-06-15 00:11:32 +0200880.PHONY: graph-build
Yann E. MORINe16bf922013-12-28 18:39:11 +0100881graph-build: $(O)/build/build-time.log
Thomas Petazzoni4a9a21b2015-02-05 22:19:56 +0100882 @install -d $(GRAPHS_DIR)
Yann E. MORINe16bf922013-12-28 18:39:11 +0100883 $(foreach o,name build duration,./support/scripts/graph-build-time \
884 --type=histogram --order=$(o) --input=$(<) \
Thomas Petazzoni4a9a21b2015-02-05 22:19:56 +0100885 --output=$(GRAPHS_DIR)/build.hist-$(o).$(BR_GRAPH_OUT) \
Yann E. MORIN8ae78382014-02-23 16:59:11 +0100886 $(if $(BR2_GRAPH_ALT),--alternate-colors)$(sep))
Yann E. MORINe16bf922013-12-28 18:39:11 +0100887 $(foreach t,packages steps,./support/scripts/graph-build-time \
888 --type=pie-$(t) --input=$(<) \
Thomas Petazzoni4a9a21b2015-02-05 22:19:56 +0100889 --output=$(GRAPHS_DIR)/build.pie-$(t).$(BR_GRAPH_OUT) \
Yann E. MORIN8ae78382014-02-23 16:59:11 +0100890 $(if $(BR2_GRAPH_ALT),--alternate-colors)$(sep))
Thomas Petazzoni5e8b01a2022-02-09 21:30:26 +0100891 ./support/scripts/graph-build-time --type=timeline --input=$(<) \
892 --output=$(GRAPHS_DIR)/build.timeline.$(BR_GRAPH_OUT) \
893 $(if $(BR2_GRAPH_ALT),--alternate-colors)
Yann E. MORINe16bf922013-12-28 18:39:11 +0100894
Arnout Vandecappelle6ab14ff2017-06-15 00:11:32 +0200895.PHONY: graph-depends-requirements
Fabio Porceddad3c1c642014-06-17 11:33:54 +0200896graph-depends-requirements:
Thomas Petazzoni664f2702014-06-13 14:17:19 +0200897 @dot -? >/dev/null 2>&1 || \
Fabio Porceddad3c1c642014-06-17 11:33:54 +0200898 { echo "ERROR: The 'dot' program from Graphviz is needed for graph-depends" >&2; exit 1; }
899
Arnout Vandecappelle6ab14ff2017-06-15 00:11:32 +0200900.PHONY: graph-depends
Fabio Porceddad3c1c642014-06-17 11:33:54 +0200901graph-depends: graph-depends-requirements
Thomas Petazzoni4a9a21b2015-02-05 22:19:56 +0100902 @$(INSTALL) -d $(GRAPHS_DIR)
Yann E. MORIN56eb3942014-01-07 23:46:04 +0100903 @cd "$(CONFIG_DIR)"; \
Yann E. MORIN287a8822014-05-16 23:05:13 +0200904 $(TOPDIR)/support/scripts/graph-depends $(BR2_GRAPH_DEPS_OPTS) \
Yann E. MORIN2a2eb552016-10-23 19:19:44 +0200905 --direct -o $(GRAPHS_DIR)/$(@).dot
Yann E. MORIN5e7020e2016-02-07 22:34:26 +0100906 dot $(BR2_GRAPH_DOT_OPTS) -T$(BR_GRAPH_OUT) \
907 -o $(GRAPHS_DIR)/$(@).$(BR_GRAPH_OUT) \
908 $(GRAPHS_DIR)/$(@).dot
Yann E. MORIN0cfe3ab2013-12-28 18:39:12 +0100909
Arnout Vandecappelle6ab14ff2017-06-15 00:11:32 +0200910.PHONY: graph-size
Thomas Petazzoni24c75fb2015-10-17 15:33:44 +0200911graph-size:
912 $(Q)mkdir -p $(GRAPHS_DIR)
913 $(Q)$(TOPDIR)/support/scripts/size-stats --builddir $(BASE_DIR) \
914 --graph $(GRAPHS_DIR)/graph-size.$(BR_GRAPH_OUT) \
915 --file-size-csv $(GRAPHS_DIR)/file-size-stats.csv \
Yann E. MORINe9cdabe2019-08-17 19:18:27 +0200916 --package-size-csv $(GRAPHS_DIR)/package-size-stats.csv \
917 $(BR2_GRAPH_SIZE_OPTS)
Thomas Petazzoni24c75fb2015-10-17 15:33:44 +0200918
Arnout Vandecappelle6ab14ff2017-06-15 00:11:32 +0200919.PHONY: check-dependencies
Yann E. MORIN9dac9862016-02-07 22:34:29 +0100920check-dependencies:
921 @cd "$(CONFIG_DIR)"; \
922 $(TOPDIR)/support/scripts/graph-depends -C
923
Yann E. MORINf8177b72019-04-15 21:47:31 +0200924.PHONY: show-info
925show-info:
926 @:
927 $(info $(call clean-json, \
928 { $(foreach p, \
929 $(sort $(foreach i,$(PACKAGES) $(TARGETS_ROOTFS), \
930 $(i) \
931 $($(call UPPERCASE,$(i))_FINAL_RECURSIVE_DEPENDENCIES) \
932 ) \
933 ), \
934 $(call json-info,$(call UPPERCASE,$(p)))$(comma) \
935 ) } \
936 ) \
937 )
938
Thomas Petazzoni78568462020-11-05 17:30:22 +0100939.PHONY: pkg-stats
940pkg-stats:
941 @cd "$(CONFIG_DIR)" ; \
942 $(TOPDIR)/support/scripts/pkg-stats -c \
943 --json $(O)/pkg-stats.json \
944 --html $(O)/pkg-stats.html \
945 --nvd-path $(DL_DIR)/buildroot-nvd
946
Bernhard Reutner-Fischercfe511b2007-09-29 13:58:30 +0000947else # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
Eric Andersen2d523c22004-10-09 01:06:03 +0000948
Arnout Vandecappelle503439f2017-06-30 19:00:33 +0200949# Some subdirectories are also package names. To avoid that "make linux"
950# on an unconfigured tree produces "Nothing to be done", add an explicit
951# rule for it.
Arnout Vandecappellec3493062017-07-01 10:24:46 +0200952# Also for 'all' we error out and ask the user to configure first.
Arnout Vandecappelle503439f2017-06-30 19:00:33 +0200953.PHONY: linux toolchain
Peter Korsgaard51825df2017-07-03 12:24:05 +0200954linux toolchain all: outputmakefile
Arnout Vandecappelle503439f2017-06-30 19:00:33 +0200955 $(error Please configure Buildroot first (e.g. "make menuconfig"))
956 @exit 1
957
Arnout Vandecappelle (Essensium/Mind)1ed49962013-02-05 07:16:02 +0000958endif # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
959
Eric Andersen2d523c22004-10-09 01:06:03 +0000960# configuration
961# ---------------------------------------------------------------------------
962
Fabio Porceddac3e49d62014-04-23 10:39:23 +0200963HOSTCFLAGS = $(CFLAGS_FOR_BUILD)
Bernhard Reutner-Fischerc0d7d4e2007-07-09 18:23:20 +0000964export HOSTCFLAGS
965
Peter Korsgaard2cc210c2010-06-20 23:05:32 +0200966$(BUILD_DIR)/buildroot-config/%onf:
967 mkdir -p $(@D)/lxdialog
Bjørn Forsman0515fe42015-01-03 00:58:47 +0100968 PKG_CONFIG_PATH="$(HOST_PKG_CONFIG_PATH)" $(MAKE) CC="$(HOSTCC_NOCCACHE)" HOSTCC="$(HOSTCC_NOCCACHE)" \
969 obj=$(@D) -C $(CONFIG) -f Makefile.br $(@F)
Alper Yildirimb0df9df2009-07-20 19:17:10 +0200970
Arnout Vandecappelle (Essensium/Mind)1ed49962013-02-05 07:16:02 +0000971DEFCONFIG = $(call qstrip,$(BR2_DEFCONFIG))
972
973# We don't want to fully expand BR2_DEFCONFIG here, so Kconfig will
974# recognize that if it's still at its default $(CONFIG_DIR)/defconfig
Thomas Petazzoni1039eb72010-08-21 18:29:27 +0200975COMMON_CONFIG_ENV = \
Arnout Vandecappelle (Essensium/Mind)1ed49962013-02-05 07:16:02 +0000976 BR2_DEFCONFIG='$(call qstrip,$(value BR2_DEFCONFIG))' \
Thomas Petazzoni1039eb72010-08-21 18:29:27 +0200977 KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
978 KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
Thomas Petazzoni0b368802010-08-22 07:27:09 +0200979 KCONFIG_TRISTATE=$(BUILD_DIR)/buildroot-config/tristate.config \
Arnout Vandecappelle4113b3c2014-02-04 16:18:52 +0100980 BR2_CONFIG=$(BR2_CONFIG) \
Arnout Vandecappelle12825f72015-12-31 01:34:13 +0100981 HOST_GCC_VERSION="$(HOSTCC_VERSION)" \
Yann E. MORIN54af0552019-07-29 22:19:53 +0200982 BASE_DIR=$(BASE_DIR) \
Arnout Vandecappelle53903a12015-04-11 01:49:02 +0200983 SKIP_LEGACY=
Alper Yildirimb0df9df2009-07-20 19:17:10 +0200984
Yann E. MORINf8792032019-07-29 22:19:57 +0200985xconfig: $(BUILD_DIR)/buildroot-config/qconf outputmakefile
Peter Korsgaard610255e2010-11-24 15:30:54 +0100986 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
Alper Yildirimb0df9df2009-07-20 19:17:10 +0200987
Yann E. MORINf8792032019-07-29 22:19:57 +0200988gconfig: $(BUILD_DIR)/buildroot-config/gconf outputmakefile
Peter Korsgaard610255e2010-11-24 15:30:54 +0100989 @$(COMMON_CONFIG_ENV) srctree=$(TOPDIR) $< $(CONFIG_CONFIG_IN)
Peter Korsgaard2b42aae2010-06-05 21:09:05 +0200990
Yann E. MORINf8792032019-07-29 22:19:57 +0200991menuconfig: $(BUILD_DIR)/buildroot-config/mconf outputmakefile
Peter Korsgaard610255e2010-11-24 15:30:54 +0100992 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
Eric Andersen2d523c22004-10-09 01:06:03 +0000993
Yann E. MORINf8792032019-07-29 22:19:57 +0200994nconfig: $(BUILD_DIR)/buildroot-config/nconf outputmakefile
Peter Korsgaard610255e2010-11-24 15:30:54 +0100995 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
Eric Andersen2d523c22004-10-09 01:06:03 +0000996
Yann E. MORINf8792032019-07-29 22:19:57 +0200997config: $(BUILD_DIR)/buildroot-config/conf outputmakefile
Thomas Petazzoni1039eb72010-08-21 18:29:27 +0200998 @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
Eric Andersen2d523c22004-10-09 01:06:03 +0000999
Arnout Vandecappelle53903a12015-04-11 01:49:02 +02001000# For the config targets that automatically select options, we pass
1001# SKIP_LEGACY=y to disable the legacy options. However, in that case
1002# no values are set for the legacy options so a subsequent oldconfig
1003# will query them. Therefore, run an additional olddefconfig.
1004
Yann E. MORINf8792032019-07-29 22:19:57 +02001005randconfig allyesconfig alldefconfig allnoconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
Arnout Vandecappelle26070512017-07-21 03:05:28 +02001006 @$(COMMON_CONFIG_ENV) SKIP_LEGACY=y $< --$@ $(CONFIG_CONFIG_IN)
Arnout Vandecappelle53903a12015-04-11 01:49:02 +02001007 @$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
Eric Andersen2d523c22004-10-09 01:06:03 +00001008
Yann E. MORINf8792032019-07-29 22:19:57 +02001009randpackageconfig allyespackageconfig allnopackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
Arnout Vandecappelle4113b3c2014-02-04 16:18:52 +01001010 @grep -v BR2_PACKAGE_ $(BR2_CONFIG) > $(CONFIG_DIR)/.config.nopkg
Arnout Vandecappelle53903a12015-04-11 01:49:02 +02001011 @$(COMMON_CONFIG_ENV) SKIP_LEGACY=y \
Will Wagner39ca6d52010-01-11 12:28:50 +00001012 KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
Arnout Vandecappelle26070512017-07-21 03:05:28 +02001013 $< --$(subst package,,$@) $(CONFIG_CONFIG_IN)
Will Wagner39ca6d52010-01-11 12:28:50 +00001014 @rm -f $(CONFIG_DIR)/.config.nopkg
Arnout Vandecappelle53903a12015-04-11 01:49:02 +02001015 @$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
Peter Korsgaard66527702009-10-04 21:57:12 +02001016
Yann E. MORINf8792032019-07-29 22:19:57 +02001017oldconfig syncconfig olddefconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
Arnout Vandecappelle26070512017-07-21 03:05:28 +02001018 @$(COMMON_CONFIG_ENV) $< --$@ $(CONFIG_CONFIG_IN)
Thomas Petazzoni9db3b472013-04-04 11:24:25 +00001019
Yann E. MORINf8792032019-07-29 22:19:57 +02001020defconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
Arnout Vandecappelle (Essensium/Mind)1ed49962013-02-05 07:16:02 +00001021 @$(COMMON_CONFIG_ENV) $< --defconfig$(if $(DEFCONFIG),=$(DEFCONFIG)) $(CONFIG_CONFIG_IN)
Eric Andersen2d523c22004-10-09 01:06:03 +00001022
Nevo Hede6195c52023-01-04 20:57:59 -05001023%_defconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
1024 @defconfig=$(or \
1025 $(firstword \
1026 $(foreach d, \
1027 $(call reverse,$(TOPDIR) $(BR2_EXTERNAL_DIRS)), \
1028 $(wildcard $(d)/configs/$@) \
1029 ) \
1030 ), \
1031 $(error "Can't find $@") \
1032 ); \
1033 $(COMMON_CONFIG_ENV) BR2_DEFCONFIG=$${defconfig} \
1034 $< --defconfig=$${defconfig} $(CONFIG_CONFIG_IN)
Thomas Petazzoni6f381192010-08-11 20:01:23 +02001035
Vivien Didelot45f03952019-01-25 19:34:06 -05001036update-defconfig: savedefconfig
1037
Yann E. MORINf8792032019-07-29 22:19:57 +02001038savedefconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
Arnout Vandecappelle (Essensium/Mind)1ed49962013-02-05 07:16:02 +00001039 @$(COMMON_CONFIG_ENV) $< \
1040 --savedefconfig=$(if $(DEFCONFIG),$(DEFCONFIG),$(CONFIG_DIR)/defconfig) \
1041 $(CONFIG_CONFIG_IN)
Yann E. MORIN1482ef62020-11-06 19:26:41 +01001042 @$(SED) '/^BR2_DEFCONFIG=/d' $(if $(DEFCONFIG),$(DEFCONFIG),$(CONFIG_DIR)/defconfig)
Eric Andersen2d523c22004-10-09 01:06:03 +00001043
Vivien Didelot45f03952019-01-25 19:34:06 -05001044.PHONY: defconfig savedefconfig update-defconfig
Peter Korsgaard406053d2009-11-20 14:05:48 +01001045
Alexandre Belloni95442bb2013-06-07 12:13:46 +02001046################################################################################
Eric Andersen2d523c22004-10-09 01:06:03 +00001047#
1048# Cleanup and misc junk
1049#
Alexandre Belloni95442bb2013-06-07 12:13:46 +02001050################################################################################
Yann E. MORINaefad532010-09-26 10:56:12 +02001051
Arnout Vandecappelle (Essensium/Mind)ca9a0b22017-08-04 18:31:29 +02001052# staging and target directories do NOT list these as
1053# dependencies anywhere else
Yann E. MORIN5bd2caf2023-01-22 10:09:47 +01001054$(BASE_DIR) $(BUILD_DIR) $(BASE_TARGET_DIR) $(HOST_DIR) $(BINARIES_DIR) $(LEGAL_INFO_DIR) $(REDIST_SOURCES_DIR_TARGET) $(REDIST_SOURCES_DIR_HOST) $(PER_PACKAGE_DIR):
Arnout Vandecappelle (Essensium/Mind)ca9a0b22017-08-04 18:31:29 +02001055 @mkdir -p $@
1056
Yann E. MORINaefad532010-09-26 10:56:12 +02001057# outputmakefile generates a Makefile in the output directory, if using a
1058# separate output directory. This allows convenient use of make in the
1059# output directory.
Arnout Vandecappelle5f94c972017-06-15 00:11:31 +02001060.PHONY: outputmakefile
Yann E. MORINaefad532010-09-26 10:56:12 +02001061outputmakefile:
1062ifeq ($(NEED_WRAPPER),y)
Thomas Petazzonif082c7c2011-08-31 23:35:02 +02001063 $(Q)$(TOPDIR)/support/scripts/mkmakefile $(TOPDIR) $(O)
Yann E. MORINaefad532010-09-26 10:56:12 +02001064endif
1065
Yann E. MORIN376fda82015-11-04 22:42:39 +01001066# printvars prints all the variables currently defined in our
1067# Makefiles. Alternatively, if a non-empty VARS variable is passed,
1068# only the variables matching the make pattern passed in VARS are
1069# displayed.
Yann E. MORINda4cb172021-11-13 14:28:27 +01001070# show-vars does the same, but as a JSON dictionnary.
Roosen Henri5c54c3e2022-07-29 21:49:33 +00001071#
1072# Note: we iterate of .VARIABLES and filter each variable individually,
1073# to workaround a bug in make 4.3; see https://savannah.gnu.org/bugs/?59093
Arnout Vandecappelle5f94c972017-06-15 00:11:31 +02001074.PHONY: printvars
Roosen Henri5c54c3e2022-07-29 21:49:33 +00001075printvars:
Quentin Schulzec823472022-08-02 14:35:59 +02001076ifndef VARS
Yann E. MORIN466d65d2022-08-04 23:05:01 +02001077 $(error Please pass a non-empty VARS to 'make printvars')
Quentin Schulzec823472022-08-02 14:35:59 +02001078endif
Trent Piephob8d0aad2018-09-17 11:10:54 -07001079 @:
1080 $(foreach V, \
Roosen Henri5c54c3e2022-07-29 21:49:33 +00001081 $(sort $(foreach X, $(.VARIABLES), $(filter $(VARS),$(X)))), \
Émeric Vigier98b616d2013-05-29 00:41:11 +02001082 $(if $(filter-out environment% default automatic, \
1083 $(origin $V)), \
Yann E. MORINba636032017-03-29 11:43:05 +02001084 $(if $(QUOTED_VARS),\
1085 $(info $V='$(subst ','\'',$(if $(RAW_VARS),$(value $V),$($V)))'), \
1086 $(info $V=$(if $(RAW_VARS),$(value $V),$($V))))))
Yann E. MORINcba51c72021-11-13 14:28:18 +01001087# ')))) # Syntax colouring...
Émeric Vigier98b616d2013-05-29 00:41:11 +02001088
Roosen Henri5c54c3e2022-07-29 21:49:33 +00001089# See details above, same as for printvars
Yann E. MORINda4cb172021-11-13 14:28:27 +01001090.PHONY: show-vars
1091show-vars: VARS?=%
Roosen Henri5c54c3e2022-07-29 21:49:33 +00001092show-vars:
Yann E. MORINda4cb172021-11-13 14:28:27 +01001093 @:
Yann E. MORIN83f71e72022-08-01 22:42:27 +02001094 $(foreach i, \
1095 $(call clean-json, { \
Yann E. MORINda4cb172021-11-13 14:28:27 +01001096 $(foreach V, \
Yann E. MORIN83f71e72022-08-01 22:42:27 +02001097 $(.VARIABLES), \
1098 $(and $(filter $(VARS),$(V)) \
1099 , \
1100 $(filter-out environment% default automatic, $(origin $V)) \
1101 , \
Yann E. MORINda4cb172021-11-13 14:28:27 +01001102 "$V": { \
1103 "expanded": $(call mk-json-str,$($V))$(comma) \
1104 "raw": $(call mk-json-str,$(value $V)) \
1105 }$(comma) \
1106 ) \
1107 ) \
Yann E. MORIN83f71e72022-08-01 22:42:27 +02001108 } ) \
1109 , \
1110 $(info $(i)) \
1111 )
Yann E. MORINda4cb172021-11-13 14:28:27 +01001112
Arnout Vandecappelle5f94c972017-06-15 00:11:31 +02001113.PHONY: clean
Eric Andersen2d523c22004-10-09 01:06:03 +00001114clean:
Yann E. MORIN7e9870c2018-03-31 11:05:50 +02001115 rm -rf $(BASE_TARGET_DIR) $(BINARIES_DIR) $(HOST_DIR) $(HOST_DIR_SYMLINK) \
Arnout Vandecappellee0c60672014-03-17 09:22:33 +01001116 $(BUILD_DIR) $(BASE_DIR)/staging \
Daniel Lang8a307fb2023-10-02 05:57:32 +02001117 $(LEGAL_INFO_DIR) $(GRAPHS_DIR) $(PER_PACKAGE_DIR) $(O)/pkg-stats.*
Eric Andersen2d523c22004-10-09 01:06:03 +00001118
Arnout Vandecappelle5f94c972017-06-15 00:11:31 +02001119.PHONY: distclean
Eric Andersen2d523c22004-10-09 01:06:03 +00001120distclean: clean
Danomi Manchego171d4102016-11-22 21:23:02 -05001121ifeq ($(O),$(CURDIR)/output)
Peter Korsgaard406053d2009-11-20 14:05:48 +01001122 rm -rf $(O)
1123endif
Yann E. MORINe76b4fd2016-09-11 15:55:46 +02001124 rm -rf $(TOPDIR)/dl $(BR2_CONFIG) $(CONFIG_DIR)/.config.old $(CONFIG_DIR)/..config.tmp \
Yann E. MORIN76345bf2019-07-29 22:19:55 +02001125 $(CONFIG_DIR)/.auto.deps $(BASE_DIR)/.br2-external.*
Eric Andersen2d523c22004-10-09 01:06:03 +00001126
Arnout Vandecappelle5f94c972017-06-15 00:11:31 +02001127.PHONY: help
Yann E. MORINa49b81e2016-04-16 23:20:17 +02001128help:
Bernhard Reutner-Fischere491fba2007-07-08 12:20:58 +00001129 @echo 'Cleaning:'
Peter Korsgaard406053d2009-11-20 14:05:48 +01001130 @echo ' clean - delete all files created by build'
Bernhard Reutner-Fischere491fba2007-07-08 12:20:58 +00001131 @echo ' distclean - delete all non-source files (including .config)'
1132 @echo
1133 @echo 'Build:'
1134 @echo ' all - make world'
Fabio Porcedda2a786412013-01-14 22:02:00 +00001135 @echo ' toolchain - build toolchain'
Wolfgang Grandegger994301a2017-07-22 13:15:40 +02001136 @echo ' sdk - build relocatable SDK'
Bernhard Reutner-Fischere491fba2007-07-08 12:20:58 +00001137 @echo
1138 @echo 'Configuration:'
1139 @echo ' menuconfig - interactive curses-based configurator'
Peter Korsgaard15f5bef2011-02-01 08:41:01 +01001140 @echo ' nconfig - interactive ncurses-based configurator'
Peter Korsgaardc48bbb82009-10-04 21:42:54 +02001141 @echo ' xconfig - interactive Qt-based configurator'
Peter Korsgaard2b42aae2010-06-05 21:09:05 +02001142 @echo ' gconfig - interactive GTK-based configurator'
Bernhard Reutner-Fischere491fba2007-07-08 12:20:58 +00001143 @echo ' oldconfig - resolve any unresolved symbols in .config'
Petr Vorel6eacea52018-09-19 13:36:15 +02001144 @echo ' syncconfig - Same as oldconfig, but quietly, additionally update deps'
1145 @echo ' olddefconfig - Same as syncconfig but sets new symbols to their default value'
Peter Korsgaardc48bbb82009-10-04 21:42:54 +02001146 @echo ' randconfig - New config with random answer to all options'
Arnout Vandecappelle (Essensium/Mind)27aa7ae2018-07-22 23:34:45 +02001147 @echo ' defconfig - New config with default answer to all options;'
1148 @echo ' BR2_DEFCONFIG, if set on the command line, is used as input'
Frank Hunleth5c1a75c2015-02-11 08:14:49 -05001149 @echo ' savedefconfig - Save current config to BR2_DEFCONFIG (minimal config)'
Vivien Didelot45f03952019-01-25 19:34:06 -05001150 @echo ' update-defconfig - Same as savedefconfig'
Peter Korsgaardc48bbb82009-10-04 21:42:54 +02001151 @echo ' allyesconfig - New config where all options are accepted with yes'
1152 @echo ' allnoconfig - New config where all options are answered with no'
Arnout Vandecappelledab80982017-07-21 03:05:29 +02001153 @echo ' alldefconfig - New config where all options are set to default'
Peter Korsgaard66527702009-10-04 21:57:12 +02001154 @echo ' randpackageconfig - New config with random answer to package options'
1155 @echo ' allyespackageconfig - New config where pkg options are accepted with yes'
1156 @echo ' allnopackageconfig - New config where package options are answered with no'
Arnout Vandecappelleb1e0b6d2015-03-21 20:49:47 +01001157 @echo
1158 @echo 'Package-specific:'
1159 @echo ' <pkg> - Build and install <pkg> and all its dependencies'
1160 @echo ' <pkg>-source - Only download the source files for <pkg>'
1161 @echo ' <pkg>-extract - Extract <pkg> sources'
1162 @echo ' <pkg>-patch - Apply patches to <pkg>'
1163 @echo ' <pkg>-depends - Build <pkg>'\''s dependencies'
1164 @echo ' <pkg>-configure - Build <pkg> up to the configure step'
1165 @echo ' <pkg>-build - Build <pkg> up to the build step'
Yann E. MORIN5abb8822019-04-15 21:47:32 +02001166 @echo ' <pkg>-show-info - generate info about <pkg>, as a JSON blurb'
Yann E. MORIN56cf5612016-10-23 17:28:51 +02001167 @echo ' <pkg>-show-depends - List packages on which <pkg> depends'
1168 @echo ' <pkg>-show-rdepends - List packages which have <pkg> as a dependency'
George Redivoca9b17a2018-03-31 18:35:43 +02001169 @echo ' <pkg>-show-recursive-depends'
1170 @echo ' - Recursively list packages on which <pkg> depends'
1171 @echo ' <pkg>-show-recursive-rdepends'
1172 @echo ' - Recursively list packages which have <pkg> as a dependency'
Arnout Vandecappelleb1e0b6d2015-03-21 20:49:47 +01001173 @echo ' <pkg>-graph-depends - Generate a graph of <pkg>'\''s dependencies'
Yann E. MORIN2a2eb552016-10-23 19:19:44 +02001174 @echo ' <pkg>-graph-rdepends - Generate a graph of <pkg>'\''s reverse dependencies'
ʎɐH ǝʌǝʇSca6c8962023-01-24 00:12:23 +01001175 @echo ' <pkg>-graph-both-depends'
1176 @echo ' - Generate a graph of both <pkg>'\''s forward and'
Vincent Stehlé64fb6652024-07-15 16:17:56 +02001177 @echo ' reverse dependencies.'
Arnout Vandecappelleb1e0b6d2015-03-21 20:49:47 +01001178 @echo ' <pkg>-dirclean - Remove <pkg> build directory'
1179 @echo ' <pkg>-reconfigure - Restart the build from the configure step'
1180 @echo ' <pkg>-rebuild - Restart the build from the build step'
Thomas Petazzoni4899d9e2021-07-03 21:40:00 +02001181 @echo ' <pkg>-reinstall - Restart the build from the install step'
Yann E. MORIN66a5fc72016-06-04 18:30:48 +02001182 $(foreach p,$(HELP_PACKAGES), \
1183 @echo $(sep) \
1184 @echo '$($(p)_NAME):' $(sep) \
1185 $($(p)_HELP_CMDS)$(sep))
Bernhard Reutner-Fischere491fba2007-07-08 12:20:58 +00001186 @echo
Thomas Petazzoni8792cf92011-10-10 10:46:40 +02001187 @echo 'Documentation:'
Thomas De Schampheleire55ecab12013-09-19 12:47:14 +02001188 @echo ' manual - build manual in all formats'
Thomas Petazzoni8792cf92011-10-10 10:46:40 +02001189 @echo ' manual-html - build manual in HTML'
1190 @echo ' manual-split-html - build manual in split HTML'
1191 @echo ' manual-pdf - build manual in PDF'
Thomas De Schampheleire462e9912013-10-18 22:31:26 +02001192 @echo ' manual-text - build manual in text'
Thomas Petazzoni8792cf92011-10-10 10:46:40 +02001193 @echo ' manual-epub - build manual in ePub'
Yann E. MORINe16bf922013-12-28 18:39:11 +01001194 @echo ' graph-build - generate graphs of the build times'
Yann E. MORIN0cfe3ab2013-12-28 18:39:12 +01001195 @echo ' graph-depends - generate graph of the dependency tree'
Thomas Petazzoni24c75fb2015-10-17 15:33:44 +02001196 @echo ' graph-size - generate stats of the filesystem size'
Yann E. MORINde6377e2015-04-23 23:04:06 +02001197 @echo ' list-defconfigs - list all defconfigs (pre-configured minimal systems)'
Thomas Petazzoni8792cf92011-10-10 10:46:40 +02001198 @echo
Bernhard Reutner-Fischere491fba2007-07-08 12:20:58 +00001199 @echo 'Miscellaneous:'
1200 @echo ' source - download all sources needed for offline-build'
Peter Korsgaard155971e2008-03-04 12:19:16 +00001201 @echo ' external-deps - list external packages used'
Luca Ceresoli7e76f902012-05-17 19:33:00 +02001202 @echo ' legal-info - generate info about license compliance'
Yann E. MORINf8177b72019-04-15 21:47:31 +02001203 @echo ' show-info - generate info about packages, as a JSON blurb'
Thomas Petazzoni78568462020-11-05 17:30:22 +01001204 @echo ' pkg-stats - generate info about packages as JSON and HTML'
Arnout Vandecappelle (Essensium/Mind)fd5bd122019-03-12 18:55:34 +01001205 @echo ' printvars - dump internal variables selected with VARS=...'
Yann E. MORINda4cb172021-11-13 14:28:27 +01001206 @echo ' show-vars - dump all internal variables as a JSON blurb; use VARS=...'
1207 @echo ' to limit the list to variables names matching that pattern'
Bernhard Reutner-Fischere491fba2007-07-08 12:20:58 +00001208 @echo
Peter Korsgaard15f5bef2011-02-01 08:41:01 +01001209 @echo ' make V=0|1 - 0 => quiet build (default), 1 => verbose build'
1210 @echo ' make O=dir - Locate all output files in "dir", including .config'
1211 @echo
Arnout Vandecappellef42a5802015-03-21 20:49:46 +01001212 @echo 'For further details, see README, generate the Buildroot manual, or consult'
1213 @echo 'it on-line at http://buildroot.org/docs.html'
1214 @echo
1215
Yann E. MORIN20cd4972016-10-14 16:39:20 +02001216# List the defconfig files
1217# $(1): base directory
1218# $(2): br2-external name, empty for bundled
1219define list-defconfigs
1220 @first=true; \
1221 for defconfig in $(1)/configs/*_defconfig; do \
1222 [ -f "$${defconfig}" ] || continue; \
1223 if $${first}; then \
1224 if [ "$(2)" ]; then \
Yann E. MORIN49117c12016-10-14 16:39:23 +02001225 printf 'External configs in "$(call qstrip,$(2))":\n'; \
Yann E. MORIN20cd4972016-10-14 16:39:20 +02001226 else \
1227 printf "Built-in configs:\n"; \
1228 fi; \
1229 first=false; \
1230 fi; \
1231 defconfig="$${defconfig##*/}"; \
1232 printf " %-35s - Build for %s\n" "$${defconfig}" "$${defconfig%_defconfig}"; \
1233 done; \
1234 $${first} || printf "\n"
1235endef
1236
1237# We iterate over BR2_EXTERNAL_NAMES rather than BR2_EXTERNAL_DIRS,
1238# because we want to display the name of the br2-external tree.
Arnout Vandecappelle5f94c972017-06-15 00:11:31 +02001239.PHONY: list-defconfigs
Arnout Vandecappellef42a5802015-03-21 20:49:46 +01001240list-defconfigs:
Yann E. MORIN20cd4972016-10-14 16:39:20 +02001241 $(call list-defconfigs,$(TOPDIR))
1242 $(foreach name,$(BR2_EXTERNAL_NAMES),\
Yann E. MORIN49117c12016-10-14 16:39:23 +02001243 $(call list-defconfigs,$(BR2_EXTERNAL_$(name)_PATH),\
1244 $(BR2_EXTERNAL_$(name)_DESC))$(sep))
Bernhard Reutner-Fischerba2e7e02007-06-25 10:56:13 +00001245
Fabio Porceddac3e49d62014-04-23 10:39:23 +02001246release: OUT = buildroot-$(BR2_VERSION)
Peter Korsgaard0dca7062010-11-04 00:00:00 +01001247
Peter Korsgaard134ab1c2012-02-03 22:03:29 +01001248# Create release tarballs. We need to fiddle a bit to add the generated
1249# documentation to the git output
Peter Korsgaard0dca7062010-11-04 00:00:00 +01001250release:
Peter Korsgaardc6715b62013-09-17 13:42:07 +02001251 git archive --format=tar --prefix=$(OUT)/ HEAD > $(OUT).tar
Thomas De Schampheleire462e9912013-10-18 22:31:26 +02001252 $(MAKE) O=$(OUT) manual-html manual-text manual-pdf
Yann E. MORINbee47592020-05-08 10:32:20 +02001253 $(MAKE) O=$(OUT) distclean
Peter Korsgaard134ab1c2012-02-03 22:03:29 +01001254 tar rf $(OUT).tar $(OUT)
1255 gzip -9 -c < $(OUT).tar > $(OUT).tar.gz
Peter Korsgaarda9bd2b82021-12-02 18:01:45 +01001256 xz -9 -c < $(OUT).tar > $(OUT).tar.xz
Peter Korsgaard134ab1c2012-02-03 22:03:29 +01001257 rm -rf $(OUT) $(OUT).tar
Peter Korsgaarde62d2ec2009-01-15 19:36:06 +00001258
Arnout Vandecappelle (Essensium/Mind)2b91ab72012-03-11 12:16:39 +01001259print-version:
1260 @echo $(BR2_VERSION_FULL)
1261
Thomas Petazzoni12902412018-08-11 12:44:23 +02001262check-package:
Thomas Petazzoni394afb32023-02-06 22:10:57 +01001263 $(Q)./utils/check-package `git ls-tree -r --name-only HEAD` \
1264 --ignore-list=$(TOPDIR)/.checkpackageignore
Thomas Petazzoni12902412018-08-11 12:44:23 +02001265
Ricardo Martincoskidd28acc2022-07-31 16:35:10 -03001266.PHONY: .checkpackageignore
1267.checkpackageignore:
Ricardo Martincoskiaeec8fa2022-07-31 16:35:11 -03001268 $(Q)./utils/check-package --failed-only `git ls-tree -r --name-only HEAD` \
1269 > .checkpackageignore
Ricardo Martincoskidd28acc2022-07-31 16:35:10 -03001270
Thomas Petazzonib7285d02012-04-17 16:45:22 +02001271include docs/manual/manual.mk
Peter Seidererb9d2d4c2017-11-21 20:13:30 +01001272-include $(foreach dir,$(BR2_EXTERNAL_DIRS),$(sort $(wildcard $(dir)/docs/*/*.mk)))
Thomas Petazzoni8792cf92011-10-10 10:46:40 +02001273
Peter Korsgaard66527702009-10-04 21:57:12 +02001274.PHONY: $(noconfig_targets)
Guido Martínezbee57452014-11-21 13:19:00 -03001275
Arnout Vandecappelle7e3105d2023-10-01 17:48:15 +02001276# .WAIT was introduced in make 4.4. For older make, define it as phony.
1277.PHONY: .WAIT
1278
Samuel Martin173135d2016-10-17 23:05:43 +02001279endif #umask / $(CURDIR) / $(O)