Commit Graph

121 Commits

Author SHA1 Message Date
Michael Pratt
0a8ed4c122 build: add support for host building in a subdirectory
Add HOST_MAKE_PATH and use it in order to execute Make
in a subdirectory of the build directory
and in a similar way that MAKE_PATH is used for target building.

Signed-off-by: Michael Pratt <mcpratt@pm.me>
Link: https://github.com/openwrt/openwrt/pull/15991
Signed-off-by: Robert Marko <robimarko@gmail.com>
2024-07-27 20:32:20 +02:00
Michael Pratt
9c833bc1c4 build: add default host build recipes for gnulib
Add generic recipes for incorporating gnulib into a build
for simplification and readability of the individual build Makefile.

Recipes for configuring and installing are purposefully missing
since "configuring" gnulib is done with standard autoreconf
and gnulib is not a final build target meant for installing.

Signed-off-by: Michael Pratt <mcpratt@pm.me>
Link: https://github.com/openwrt/openwrt/pull/15853
Signed-off-by: Robert Marko <robimarko@gmail.com>
2024-07-08 08:49:43 +02:00
Michael Pratt
3de19697fd build: add support for PKG_SUBDIRS variable
Add support for overriding the SUBDIRS variable while invoking Make
by defining it after Make in the command line.

This is useful for builds that have previously patched out
the building of certain subdirectories in projects
that use recursive and independent Makefiles,
for example, to block the building of docs or test suites.

The wildcard function is used in the case of there being
subdirectories within any of the subdirectories,
for example, in the building of gengetopt,
in order to avoid the problem where Make will attempt
to execute a Makefile in a subdirectory that does not exist
within the subdirectory it is currently running from
because it really exists at the top-level, or one that exists
within one of the subdirectories when ran from top-level.
There are also cases where the Makefiles in the subdirectories
have the recursive building rules even though there are no more
subdirectories beyond that point, for example, with gnulib.

Signed-off-by: Michael Pratt <mcpratt@pm.me>
Link: https://github.com/openwrt/openwrt/pull/15853
Signed-off-by: Robert Marko <robimarko@gmail.com>
2024-07-08 08:49:42 +02:00
Michael Pratt
39e8ef33bf build: add test for 64-bit time support
Several GNU tools such as tar, coreutils, and findutils
now build with support for 64-bit time by default
and otherwise require reconfiguring with a flag
--disable-year2038 in order to build without 64-bit time.

Some standard C libraries, for example,
certain older versions of glibc such as 2.31
have large file support but not long time bits support:

  checking for ... option to enable large file support... -D_FILE_OFFSET_BITS=64
  checking for ... option for timestamps after 2038... support not detected

This test using C code taken from largefile.m4 in gnulib
uses math and casting to check for overflow
with a macro and array pair that can only be defined
when 64-bit time support is present, and otherwise errors.
It is the exact same code used to test for 64-bit time
during the configure stage of building these tools,
so the results of this test before configure takes place
will always be in concordance with the results of
the test that takes place during the configure script.

Based on the test, the configure flag --disable-year2038
is added to every host tool build depending on the host system.

When the year 2038 problem finally comes around,
the effect of the test can be converted
from the toggling of a configure option into a build prerequisite,
requiring it to pass in order to continue building.

Signed-off-by: Michael Pratt <mcpratt@pm.me>
Link: https://github.com/openwrt/openwrt/pull/15799
Signed-off-by: Robert Marko <robimarko@gmail.com>
2024-06-27 09:31:53 +02:00
Christian Marangi
725389b7c7
host-build: always define Host/Prepare/Default
We currently skip defining Host/Prepare/Default if HOST_UNPACK is not
defined.

This is mostly the case for Host packages that just provide files with
the src directory and don't need to be downloaded/extracted.

This was probably done lots of times ago due to quilt causing error as
the patches directory wasn't present.
This has changed now and quilt can correctly detect if no patches needs
to be applied (instead of terminating with error)

Always define Host/Prepare/Default to make tools/refresh correctly works
as HOST_QUILT is hardcoded enabled for this make target and will
complain for tool not prepared for quilt patches.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
2024-05-22 11:38:49 +02:00
Michael Pratt
5a028a8d73 host-build: fix stampfile name substitution per installed binaries
A funny bug was discovered where if the buildroot's path
has the name of the build target within it, it will also be substituted
along with the stampfile's name for each program,
causing an attempt to touch a file in a directory that doesn't exist.

...
...
touch: cannot touch '/Volumes/touch/openwrt/staging_dir/host/stamp/.touch_installed': No such file or directory
touch: cannot touch '/Volumes/ln/openwrt/staging_dir/host/stamp/.ln_installed': No such file or directory
touch: cannot touch '/Volumes/chown/openwrt/staging_dir/host/stamp/.chown_installed': No such file or directory
make[2]: *** [Makefile:50: /Volumes/coreutils/openwrt/staging_dir/host/stamp/.coreutils_installed] Error 1
...
...

Split up the path with $(dir) and $(notdir) before substitution to fix
the syntax.

Reported-by: Georgi Valkov <gvalkov@gmail.com>
Tested-by: Georgi Valkov <gvalkov@gmail.com> # MacOS
Signed-off-by: Michael Pratt <mcpratt@pm.me>
Signed-off-by: Tony Ambardar <itugrok@yahoo.com>
2024-04-25 21:33:51 +02:00
Michael Pratt
84f7a45e9e
host-build: add support for a stampfile per installed binary
Some individual build items install a group of programs
instead of a program matching the name of the build item.

Add support for installing stampfiles for each of the
programs installed by that build item,
which will allow more control and awareness
of what is installed by the rest of the build system,
if, for example, prereq symlink checks are looking
for the same program which is built already.

Signed-off-by: Michael Pratt <mcpratt@pm.me>
2023-06-05 08:31:53 +02:00
Jeffery To
f597f34f3a
build: export GIT_CEILING_DIRECTORIES for package builds
A package may run git as part of its build process, and if the package
source code is not from a git checkout, then git may traverse up the
directory tree to find buildroot's repository directory (.git).

For instance, Poetry Core, a Python build backend, will read the
contents of .gitignore for paths to exclude when creating a Python
package. If it finds buildroot's .gitignore file, then Poetry Core will
exclude all of the package's files[1].

This exports GIT_CEILING_DIRECTORIES for both package and host builds so
that git will not traverse beyond $(BUILD_DIR)/$(BUILD_DIR_HOST).

[1]: https://github.com/python-poetry/poetry/issues/5547

Signed-off-by: Jeffery To <jeffery.to@gmail.com>
2023-05-31 19:33:00 +02:00
Michael Pratt
129be247a6 build: disable automake dependency tracking
Recent versions of Automake
have changed dependency tracking significantly
(reference commit below)
causing breakage in some package builds
when using newer Automake with packages that need autoreconf
that were bootstrapped with an old version of Automake.

Those changes cause a great inconsistency between packages over time
where some packages may or may not use this feature,
and may or may not update the .ac and .am files
to work with the new methods.
This problem might exist in many packages
where autoreconf is not currently required,
but would cause build failure if autoreconf is used.

Fortunately, this feature is practically useless
for the purposes of Openwrt and the average developer,
so we can disable it.

GNU Automake manual states in part:

  "Because dependencies are only computed as a side-effect of compilation...
   no dependency information exists the first time a package is built...
   dependency tracking is completely useless for one-time builds..."

A nice side-effect is that build times are slightly faster.

Ref: 6a675ef17edf7109da189f5ae70e2dc6b7665896 (automake.git)
Signed-off-by: Michael Pratt <mcpratt@pm.me>
2023-03-13 22:53:41 +01:00
Christian Marangi
37b8b315e1
build: skip download for host build with AUTOREMOVE if already compiled
Packages in general use 4 check to trigger a recompile:
- timestamp for the build_dir
- timestamp for the staging stamp dir
- depends hash for the build_dir prepared file
- presence of package archieve in dl

If host tools are prebuilt and shipped in a container or manually
installed from an archieve, it would be ideal to skip including the
package archieve and just provide the build_dir prepared files and the
staging stamp file (and the actualy prebuilt tools).

Add some logic to skip dl download for host tools if AUTOREMOVE is
selected and checks for the presence of staging dir stamp file and build
dir stamp file.

If one of these requirements are not met, the package is redownloaded
and rebuilt.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
2023-01-23 19:18:06 +01:00
Christian Marangi
53a08e3743
build: make find_md5 reproducible with AUTOREMOVE
While experimenting with the AUTOREMOVE option in search of a way to use
prebuilt host tools in different buildroot, it was discovered that the
md5 generated by find_md5 in depends.mk is not reproducible.

Currently the hash is generated by the path of the file in addition to
the file mod time. Out of confusion, probably, there was an idea that
such command was used on the package build_dir. Reality is that this
command is run on the package files. (Makefile, patches, src)

This is problematic because the package Makefile (for example) change at
each git clone and base the hash on the Makefile mtime doesn't really
reflect if the Makefile actually changes across a buildroot or not.

A better approach is to generate an hash of each file and then generate
an hash on the sort hash list. This way we remove the problem of git
clone setting a wrong mtime while keeping the integrity of checking if a
file changed for the package as any change will result in a different
hash.

Introduce a new kind of find_md5 function, find_md5_reproducible that
apply this new logic and limit it only with AUTOREMOVE option set to
prevent any kind of slowdown due to additional hash generation.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
2022-09-30 22:26:51 +02:00
Christian Marangi
dccee21792
build: handle directory with whitespace in AUTOREMOVE clean
Package with whitespace in their build directory are not correctly
removed when CONFIG_AUTOREMOVE is enabled. This is caused by xargs that
use whitespace as delimiters. To handle this use \0 as the delimiter and
set find to use \0 as the delimiter.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
2022-09-11 11:27:02 +02:00
Sergey V. Lobanov
87d489f67a build: add HOST_CXXFLAGS for host build
Added HOST_CXXFLAGS to specify CXXFLAGS during host-compile
(e.g. to specify c++ standard: HOST_CXXFLAGS += -std=c++11)

Signed-off-by: Sergey V. Lobanov <sergey@lobanov.in>
2022-01-16 22:13:46 +01:00
Felix Fietkau
9faa22fcee build: fix host package unpack if git-src is used
If the package download step is skipped, it needs to be performed for the host
build instead.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-11-04 16:43:32 +01:00
Eneas U de Queiroz
8cf4d4df55 download: improve handling of invalid local files
4e19cbc553: [download: handle possibly invalid local tarballs] added a
FORCE rule to downloaded files, so that they will be always checked by
download.pl.

As a side-effect, check-compile will fail, forcing unnecessary package
rebuilds.
The check-compile.txt log shows (for libxml2 for example):
  Considering target file '.../dl/libxml2-2.9.12.tar.gz'.
    ...
    prerequisite 'FORCE' of target '.../dl/libxml2-2.9.12.tar.gz' does
    not exist.
    Must remake target '.../dl/libxml2-2.9.12.tar.gz'.
    ...
   Giving up on target file '...libxml2-2.9.12/.prepared_...'.
   Giving up on target file '...libxml2-2.9.12/.configured_...'.
   Giving up on target file '...libxml2-2.9.12/.built'.
   Giving up on target file '...stamp/.libxml2_installed'.
  Giving up on target file '.compile'.

Then the package is rebuilt even if it is not otherwise needed.

To fix this, instead of always forcing the download target to be remade,
check its hash first: if it matches, then the FORCE is not added.

Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
2021-11-01 20:18:55 +01:00
Paul Spooren
a17b8eaa2e build: use SPDX license tags
The license folder is a core part of OpenWrt and all GPL-2.0 licensed.
Use SPDX license tags to allow machines to check licenses.

Signed-off-by: Paul Spooren <mail@aparcar.org>
[rebase, keep some Copyright lines, sharpen commit message]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2021-02-05 14:54:47 +01:00
Sven Wegener
e9fb9b79f6 build: drop ccache variables from specific targets
With commit 2ca084cc ("build: improve ccache support") these variables
are being set globally and we don't need them for specific targets.

Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
2021-01-01 10:29:07 -10:00
Petr Štetiar
4e19cbc553 download: handle possibly invalid local tarballs
Currently it's assumed, that already downloaded tarballs are always
fine, so no checksum checking is performed and the tarball is used even
if it might be corrupted.

From now on, we're going to always check the downloaded tarballs before
considering them valid.

Steps to reproduce:

 1. Remove cached tarball

   rm dl/libubox-2020-08-06-9e52171d.tar.xz

 2. Download valid tarball again

   make package/libubox/download

 3. Invalidate the tarball

   sed -i 's/PKG_MIRROR_HASH:=../PKG_MIRROR_HASH:=ff/' package/libs/libubox/Makefile

 4. Now compile with corrupt tarball source

   make package/libubox/{clean,compile}

Signed-off-by: Petr Štetiar <ynezz@true.cz>
2020-11-27 14:46:13 +01:00
Roman Yeryomin
2ca084ccaa build: improve ccache support
Set CCACHE_DIR to $(TOPDIR)/.ccache and CCACHE_BASEDIR to $(TOPDIR).
This allows to do clean and dirclean. Cache hit rate for test build
after dirclean is ~65%.
If CCACHE is enabled stats are printed out at the end of building process.
CCACHE_DIR config variable allows to override default, which could be useful
when sharing cache with many builds.
cacheclean make target allows to clean the cache.

Changes from v1:
- remove ccache directory using CCACHE_DIR variable
- remove ccache leftovers from sdk and toolchain make files
- introduce CONFIG_CCACHE_DIR variable
- introduce cacheclean make target

Signed-off-by: Roman Yeryomin <roman@advem.lv>
2020-07-11 15:19:53 +02:00
Andre Heider
02330a6556 build: call Host/Uninstall before wiping the host build dir
Uninstall targets may depend on build artefacts, like `make uninstall`
or `ninja uninstall`.

Signed-off-by: Andre Heider <a.heider@gmail.com>
2019-10-21 14:18:17 +02:00
Jo-Philipp Wich
991c7a4f69 build: do not override CCACHE_DIR when ccache is disabled
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2018-07-24 15:23:05 +02:00
Felix Fietkau
a1c65b41cb build: pass HOSTCXX to host builds as CXX
Fixes cmake build on some systems that also have an older clang++

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2018-04-20 13:20:25 +02:00
Felix Fietkau
905bbc96ef build: allow PKG_PREPARED_DEPENDS and PKG_CONFIG_DEPENDS to be changed after including package.mk
Reverts commit a9c96ef0ac and replaces it
with a different approach

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2017-12-12 12:45:28 +01:00
Felix Fietkau
603900ef82 build: add a darwin sitefile to deal with macOS 10.12 + Xcode 9 build errors
Certain functions are available in system headers, but only work on
macOS 10.13

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2017-10-05 21:14:43 +02:00
Felix Fietkau
f62f4b3c5c build: stop overriding STAGING_DIR_HOST for toolchain build
This causes various issues in other places that assume that host
binaries are staged in STAGING_DIR_HOST.
Since all the right places use HOST_BUILD_PREFIX, override that instead.
This fixes some issues with quilt on toolchain dirs

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2017-05-25 19:01:07 +02:00
Felix Fietkau
89118da865 build: fix STAMP_PREPARED with quilt
quilt.mk needs to be included first, to ensure that STAMP_PREPARED does
not include the hash if quilt is used.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2017-03-22 20:17:20 +01:00
Felix Fietkau
a9c96ef0ac build: improve performance by avoiding lazy-eval for make shell calls
Avoids lots of redundant calls to mkhash on things like
package/kernel/linux

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2017-03-16 19:13:47 +01:00
Felix Fietkau
9467ce42da build: get rid of host.mk
Defined required host related variables in toplevel.mk instead

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2017-02-26 13:31:44 +01:00
Felix Fietkau
fe1e3622a2 build: make Host/Install/Default use Host/Compile/Default with an extra argument
Allows parallelizing compile steps that might be necessary during install

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2017-02-09 14:49:35 +01:00
Felix Fietkau
849ced84f6 build: support make tools/<name>/install again
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2017-02-09 12:26:19 +01:00
Felix Fietkau
0e22d63775 build: fix CONFIG_AUTOREMOVE for packages with multiple variants
Calling the clean target removes all .ipk files and un-stages the
package. Add a new target just for clearing the build dir and call that
one instead of the full clean target

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2017-01-22 17:40:31 +01:00
Felix Fietkau
5aa03e16a7 build: disable CONFIG_AUTOREMOVE for packages/tools where QUILT is used
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2017-01-19 13:30:22 +01:00
Felix Fietkau
bc73a7fd98 build: include CONFIG_AUTOREMOVE in HOST_STAMP_PREPARED
Fixes build issues when changing the CONFIG_AUTOREMOVE setting

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2017-01-19 13:04:30 +01:00
Felix Fietkau
d98bb7e6b9 build: extend CONFIG_AUTOREMOVE to tools/
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2017-01-18 23:57:09 +01:00
Felix Fietkau
131db366a3 build: remove separate /install step for host builds
Reduces the number of recursive make invocations

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2017-01-18 23:57:09 +01:00
Felix Fietkau
9228d1c066 build: introduce extra targets that contain only proper dependencies
This can be used to check if targets like prepare or compile are up to date

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2017-01-18 23:57:08 +01:00
Felix Fietkau
6cf067d084 build: define common subdir targets in rules.mk
Reduce build system clutter and enable further rework

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2017-01-18 23:57:07 +01:00
Matthias Schiffer
3d71786154
build: move STAGING_DIR_HOSTPKG and BUILD_DIR_HOST back to a common directory for all targets
Using a single host package staging dir (and build dir) significantly speeds up
builds when multiple targets are built in succession, especially for large host
packages like NodeJS.

$(STAGING_DIR)/host is kept in addition to $(STAGING_DIR_HOSTPKG) in most
places; it is still used as destination for host files in Build/InstallDev.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
2017-01-18 19:47:36 +01:00
Jo-Philipp Wich
5faad30d5d build: properly pass CPP and CXX flags in HOST_MAKE_VARS
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2017-01-17 09:30:13 +01:00
Alexandru Ardelean
e9d20f1f87 build: introduce default HOST_MAKE_VARS for host-builds
Inspired/adapted from `package-defaults.mk` MAKE_VARS.

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
2017-01-17 09:18:45 +01:00
Jo-Philipp Wich
83b6bfc235 build: fix HOST_CONFIGURE_VARS placement
Instead of passing HOST_CONFIGURE_VARS as arguments to the configure script,
pass it as environment variables which brings the logic in line with the
behaviour of package-defaults.mk.

The change is needed since passing environment variables as configure
parameters only works with GNU autoconf which evaluates command line arguments
looking like variable assignments. Doing the same with non-autoconf configure
scripts is not guaranteed to work since such scripts might terminate due to
unknown argument errors.

One example case is the cmake configure script which bails out when called
as "./configure LDFLAGS=..." but not when called as "LDFLAGS=... ./configure".

Also change the SHELL override to CONFIG_SHELL in the default
HOST_CONFIGURE_VARS as the former is not properly propagated through the
various GNU configure invocations since it gets lost when configure re-
executes itself.

A prior attempt to change the variable placement had to be reverted due to
the missing SHELL -> CONFIG_SHELL change, leading to misgenerated libtool
executables in various packages.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2017-01-10 12:28:32 +01:00
Felix Fietkau
1e1d735e52 build: remove obsolete parallel build related options
Always use the main make jobserver, which has been the default for ages

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2017-01-10 12:10:20 +01:00
Jo-Philipp Wich
267b05f273 Revert "build: fix HOST_CONFIGURE_VARS placement"
This reverts commit 8395b63aac616f72fd835c59240fc2a4a6b28106.

Various host builds currently rely on the broken behaviour of
HOST_CONFIGURE_VARS so roll back to the previous state.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2017-01-05 14:34:11 +01:00
Jo-Philipp Wich
28f9df62f5 build: fix HOST_CONFIGURE_VARS placement
Ensure that HOST_CONFIGURE_VARS are set before the actual configure command
instead of passing them as configure command arguments.

This change brings host-build.mk in line with package-defaults.mk and makes
host configure environment variables work as expected.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2017-01-05 14:21:27 +01:00
Felix Fietkau
bdaa138c0d host-build: remove openssl include path from host cflags
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2017-01-05 11:09:12 +01:00
Felix Fietkau
ffb0181a87 build: add defaults for PKG_SOURCE, PKG_SOURCE_SUBDIR, PKG_VERSION
This makes it easier to unify versioning of git based package downloads.
PKG_SOURCE_DATE along with an 8-character abbreviation of the git hash
is used as PKG_VERSION, PKG_RELEASE should be used like normal packages.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2016-12-22 16:42:20 +01:00
Felix Fietkau
7a315b0b5d build: implement make check and make package/X/check
This is intended to be used for a wide array of package sanity checks.

The first check that is implemented is for the hash of downloaded files.
It checks:
  - Missing hash
  - Use of SHA256 instead of MD5
  - dl/<file> hash not matching hash in makefile
  - deprecated MD5SUM variable

The deprecated MD5SUM variable check is skipped for feeds/ until OpenWrt
is updated as well

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2016-12-17 10:36:25 +01:00
Felix Fietkau
881c5b47ec build: remove duplicate Download/default definition from include/host-build.mk
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2016-12-16 15:35:21 +01:00
Jo-Philipp Wich
b7f7e9fe42 include/host-build.mk: use STAGING_DIR_HOSTPKG
Instead of hardcoding $(STAGING_DIR)/host, use the new $(STAGING_DIR_HOSTPKG)
variable to refer to the directory.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2016-11-01 12:11:14 +01:00
Alexandru Ardelean
7c8c3226dc build: copy contents of 'src' folder to build dirs (if present)
The normal Prepare step for a build is unpack, apply patches.
But for certain packages, patches contain whole files, which
would be nice to have separately and copied over as a last step
in the Prepare phase.

We need it for some other packages + patches, but I think
the 'hostapd' package can be used as a test for this.

As a quick note:
the reason the condition is being evaluated as
`[ ! -d ./src/ ] || $(CP) ./src/* $(HOST_BUILD_DIR)`
and not with
`[ -d ./src/ ] && $(CP) ./src/* $(HOST_BUILD_DIR)`
is that the latter would translate in a build failure if the `src`
folder is not present (the exit code would be 1).
The first one, succeeds for both cases (if `src` present or not).

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
2016-10-15 11:36:51 +02:00