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1#
2# This file is your local configuration file and is where all local user settings
3# are placed. The comments in this file give some guide to the options a new user
4# to the system might want to change but pretty much any configuration option can
5# be set in this file. More adventurous users can look at local.conf.extended
6# which contains other examples of configuration which can be placed in this file
7# but new users likely won't need any of them initially.
8#
9# Lines starting with the '#' character are commented out and in some cases the
10# default values are provided as comments to show people example syntax. Enabling
11# the option is a question of removing the # character and making any change to the
12# variable as required.
13
14#
15# Machine Selection
16#
17# You need to select a specific machine to target the build with. There are a selection
18# of emulated machines available which can boot and run in the QEMU emulator:
19#
20#MACHINE ?= "qemuarm"
21#MACHINE ?= "qemuarm64"
22#MACHINE ?= "qemumips"
23#MACHINE ?= "qemumips64"
24#MACHINE ?= "qemuppc"
25#MACHINE ?= "qemux86"
26#MACHINE ?= "qemux86-64"
27#
28# There are also the following hardware board target machines included for
29# demonstration purposes:
30#
31#MACHINE ?= "beaglebone-yocto"
32#MACHINE ?= "genericx86"
33#MACHINE ?= "genericx86-64"
34#MACHINE ?= "edgerouter"
35#
36# This sets the default machine to be qemux86-64 if no other machine is selected:
37MACHINE ??= "qemux86-64"
38
39#
40# Where to place downloads
41#
42# During a first build the system will download many different source code tarballs
43# from various upstream projects. This can take a while, particularly if your network
44# connection is slow. These are all stored in DL_DIR. When wiping and rebuilding you
45# can preserve this directory to speed up this part of subsequent builds. This directory
46# is safe to share between multiple builds on the same machine too.
47#
48# The default is a downloads directory under TOPDIR which is the build directory.
49#
50#DL_DIR ?= "${TOPDIR}/downloads"
51
52#
53# Where to place shared-state files
54#
55# BitBake has the capability to accelerate builds based on previously built output.
56# This is done using "shared state" files which can be thought of as cache objects
57# and this option determines where those files are placed.
58#
59# You can wipe out TMPDIR leaving this directory intact and the build would regenerate
60# from these files if no changes were made to the configuration. If changes were made
61# to the configuration, only shared state files where the state was still valid would
62# be used (done using checksums).
63#
64# The default is a sstate-cache directory under TOPDIR.
65#
66#SSTATE_DIR ?= "${TOPDIR}/sstate-cache"
67
68#
69# Where to place the build output
70#
71# This option specifies where the bulk of the building work should be done and
72# where BitBake should place its temporary files and output. Keep in mind that
73# this includes the extraction and compilation of many applications and the toolchain
74# which can use Gigabytes of hard disk space.
75#
76# The default is a tmp directory under TOPDIR.
77#
78#TMPDIR = "${TOPDIR}/tmp"
79
80#
81# Default policy config
82#
83# The distribution setting controls which policy settings are used as defaults.
84# The default value is fine for general Yocto project use, at least initially.
85# Ultimately when creating custom policy, people will likely end up subclassing
86# these defaults.
87#
88DISTRO ?= "poky"
89# As an example of a subclass there is a "bleeding" edge policy configuration
90# where many versions are set to the absolute latest code from the upstream
91# source control systems. This is just mentioned here as an example, its not
92# useful to most new users.
93# DISTRO ?= "poky-bleeding"
94
95#
96# Package Management configuration
97#
98# This variable lists which packaging formats to enable. Multiple package backends
99# can be enabled at once and the first item listed in the variable will be used
100# to generate the root filesystems.
101# Options are:
102# - 'package_deb' for debian style deb files
103# - 'package_ipk' for ipk files are used by opkg (a debian style embedded package manager)
104# - 'package_rpm' for rpm style packages
105# E.g.: PACKAGE_CLASSES ?= "package_rpm package_deb package_ipk"
106# We default to rpm:
107PACKAGE_CLASSES ?= "package_rpm"
108
109#
110# SDK target architecture
111#
112# This variable specifies the architecture to build SDK items for and means
113# you can build the SDK packages for architectures other than the machine you are
114# running the build on (i.e. building i686 packages on an x86_64 host).
115# Supported values are i686, x86_64, aarch64
116#SDKMACHINE ?= "i686"
117
118#
119# Extra image configuration defaults
120#
121# The EXTRA_IMAGE_FEATURES variable allows extra packages to be added to the generated
122# images. Some of these options are added to certain image types automatically. The
123# variable can contain the following options:
124# "dbg-pkgs" - add -dbg packages for all installed packages
125# (adds symbol information for debugging/profiling)
126# "src-pkgs" - add -src packages for all installed packages
127# (adds source code for debugging)
128# "dev-pkgs" - add -dev packages for all installed packages
129# (useful if you want to develop against libs in the image)
130# "ptest-pkgs" - add -ptest packages for all ptest-enabled packages
131# (useful if you want to run the package test suites)
132# "tools-sdk" - add development tools (gcc, make, pkgconfig etc.)
133# "tools-debug" - add debugging tools (gdb, strace)
134# "eclipse-debug" - add Eclipse remote debugging support
135# "tools-profile" - add profiling tools (oprofile, lttng, valgrind)
136# "tools-testapps" - add useful testing tools (ts_print, aplay, arecord etc.)
137# "debug-tweaks" - make an image suitable for development
138# e.g. ssh root access has a blank password
139# There are other application targets that can be used here too, see
140# meta/classes/image.bbclass and meta/classes/core-image.bbclass for more details.
141# We default to enabling the debugging tweaks.
142EXTRA_IMAGE_FEATURES ?= "debug-tweaks"
143
144#
145# Additional image features
146#
147# The following is a list of additional classes to use when building images which
148# enable extra features. Some available options which can be included in this variable
149# are:
150# - 'buildstats' collect build statistics
151# - 'image-mklibs' to reduce shared library files size for an image
152# - 'image-prelink' in order to prelink the filesystem image
153# NOTE: if listing mklibs & prelink both, then make sure mklibs is before prelink
154# NOTE: mklibs also needs to be explicitly enabled for a given image, see local.conf.extended
155USER_CLASSES ?= "buildstats image-mklibs image-prelink"
156
157#
158# Runtime testing of images
159#
160# The build system can test booting virtual machine images under qemu (an emulator)
161# after any root filesystems are created and run tests against those images. It can also
162# run tests against any SDK that are built. To enable this uncomment these lines.
163# See classes/test{image,sdk}.bbclass for further details.
164#IMAGE_CLASSES += "testimage testsdk"
165#TESTIMAGE_AUTO_qemuall = "1"
166
167#
168# Interactive shell configuration
169#
170# Under certain circumstances the system may need input from you and to do this it
171# can launch an interactive shell. It needs to do this since the build is
172# multithreaded and needs to be able to handle the case where more than one parallel
173# process may require the user's attention. The default is iterate over the available
174# terminal types to find one that works.
175#
176# Examples of the occasions this may happen are when resolving patches which cannot
177# be applied, to use the devshell or the kernel menuconfig
178#
179# Supported values are auto, gnome, xfce, rxvt, screen, konsole (KDE 3.x only), none
180# Note: currently, Konsole support only works for KDE 3.x due to the way
181# newer Konsole versions behave
182#OE_TERMINAL = "auto"
183# By default disable interactive patch resolution (tasks will just fail instead):
184PATCHRESOLVE = "noop"
185
186#
187# Disk Space Monitoring during the build
188#
189# Monitor the disk space during the build. If there is less that 1GB of space or less
190# than 100K inodes in any key build location (TMPDIR, DL_DIR, SSTATE_DIR), gracefully
191# shutdown the build. If there is less that 100MB or 1K inodes, perform a hard abort
192# of the build. The reason for this is that running completely out of space can corrupt
193# files and damages the build in ways which may not be easily recoverable.
194# It's necessary to monitor /tmp, if there is no space left the build will fail
195# with very exotic errors.
196BB_DISKMON_DIRS ??= "\
197 STOPTASKS,${TMPDIR},1G,100K \
198 STOPTASKS,${DL_DIR},1G,100K \
199 STOPTASKS,${SSTATE_DIR},1G,100K \
200 STOPTASKS,/tmp,100M,100K \
201 ABORT,${TMPDIR},100M,1K \
202 ABORT,${DL_DIR},100M,1K \
203 ABORT,${SSTATE_DIR},100M,1K \
204 ABORT,/tmp,10M,1K"
205
206#
207# Shared-state files from other locations
208#
209# As mentioned above, shared state files are prebuilt cache data objects which can
210# used to accelerate build time. This variable can be used to configure the system
211# to search other mirror locations for these objects before it builds the data itself.
212#
213# This can be a filesystem directory, or a remote url such as http or ftp. These
214# would contain the sstate-cache results from previous builds (possibly from other
215# machines). This variable works like fetcher MIRRORS/PREMIRRORS and points to the
216# cache locations to check for the shared objects.
217# NOTE: if the mirror uses the same structure as SSTATE_DIR, you need to add PATH
218# at the end as shown in the examples below. This will be substituted with the
219# correct path within the directory structure.
220#SSTATE_MIRRORS ?= "\
221#file://.* http://someserver.tld/share/sstate/PATH;downloadfilename=PATH \n \
222#file://.* file:///some/local/dir/sstate/PATH"
223
224#
225# Yocto Project SState Mirror
226#
227# The Yocto Project has prebuilt artefacts available for its releases, you can enable
228# use of these by uncommenting the following line. This will mean the build uses
229# the network to check for artefacts at the start of builds, which does slow it down
230# equally, it will also speed up the builds by not having to build things if they are
231# present in the cache. It assumes you can download something faster than you can build it
232# which will depend on your network.
233#
234#SSTATE_MIRRORS ?= "file://.* http://sstate.yoctoproject.org/2.5/PATH;downloadfilename=PATH"
235
236#
237# Qemu configuration
238#
239# By default native qemu will build with a builtin VNC server where graphical output can be
240# seen. The line below enables the SDL UI frontend too.
241PACKAGECONFIG_append_pn-qemu-system-native = " sdl"
242# By default libsdl2-native will be built, if you want to use your host's libSDL instead of
243# the minimal libsdl built by libsdl2-native then uncomment the ASSUME_PROVIDED line below.
244#ASSUME_PROVIDED += "libsdl2-native"
245
246# You can also enable the Gtk UI frontend, which takes somewhat longer to build, but adds
247# a handy set of menus for controlling the emulator.
248#PACKAGECONFIG_append_pn-qemu-system-native = " gtk+"
249
250#
251# Hash Equivalence
252#
253# Enable support for automatically running a local hash equivalence server and
254# instruct bitbake to use a hash equivalence aware signature generator. Hash
255# equivalence improves reuse of sstate by detecting when a given sstate
256# artifact can be reused as equivalent, even if the current task hash doesn't
257# match the one that generated the artifact.
258#
259# A shared hash equivalent server can be set with "<HOSTNAME>:<PORT>" format
260#
261#BB_HASHSERVE = "auto"
262#BB_SIGNATURE_HANDLER = "OEEquivHash"
263
264#
265# Memory Resident Bitbake
266#
267# Bitbake's server component can stay in memory after the UI for the current command
268# has completed. This means subsequent commands can run faster since there is no need
269# for bitbake to reload cache files and so on. Number is in seconds, after which the
270# server will shut down.
271#
272#BB_SERVER_TIMEOUT = "60"
273
274# CONF_VERSION is increased each time build/conf/ changes incompatibly and is used to
275# track the version of this file when it was generated. This can safely be ignored if
276# this doesn't mean anything to you.
277CONF_VERSION = "1"