Set -e to make these scripts fail on the first error.
Set -u because these scripts are invoked by Makefile, and do not work
properly without necessary variables defined.
I tweaked mkdebian to cope with optional environment variables.
Remove the explicit "test -n ..." from install-extmod-build.
Both options are described in POSIX. [1]
[1]: https://pubs.opengroup.org/onlinepubs/009604499/utilities/set.html
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
Use dh_prep instead of removing old build directories manually.
Use dh_clean instead of removing build directories and debian/files
manually.
Call dh_testdir and dh_testroot for preliminary checks.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
'make deb-pkg' builds build-arch in parallel, but binary-arch serially.
Given that all binary packages are independent of one another, they can
be built in parallel.
I am uncertain whether debian/files is robust against a race condition.
Just in case, make dh_gencontrol (dpkg-gencontrol) output to separate
debian/*.files, which are then concatenated into debian/files.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
Use debian/<package> for tmpdir, which is the default of debhelper.
This simplifies the code.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
Strictly speaking, 'make headers' should be a part of build-arch
instead of binary-arch.
'make headers' constructs ready-to-copy UAPI headers in the kernel
directory.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
There are two ways of managing separate debug info files:
[1] The executable contains the .gnu_debuglink section, which specifies
the name and the CRC of the separate debug info file.
[2] The executable contains a build ID, and the corresponding debug info
file is placed in the .build-id directory.
We could do both, but the former, which 'make deb-pkg' currently does,
results in complicated installation steps because we need to manually
strip the debug sections, create debug links, and re-sign the modules.
Besides, it is not working with module compression.
This commit abandons the approach [1], and instead opts for [2].
Debian kernel commit de26137e2a9f ("Drop not needed extra step to add
debug links") also stopped adding debug links.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Commit 36862e14e3 ("kbuild: deb-pkg: use dh_listpackages to know
enabled packages") started to require the debhelper tool suite.
Use more dh_* commands in create_package():
- dh_installdocs to install copyright
- dh_installchangelogs to install changelog
- dh_compress to compress changelog
- dh_fixperms to replace the raw chmod command
- dh_gencontrol to replace the raw dpkg-gencontrol command
- dh_md5sums to record the md5sum of included files
- dh_builddeb to replace the raw dpkg-deb command
Set DEB_RULES_REQUIRES_ROOT to 'no' in case debian/rules is executed
directly.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
Since commit 491b146d4c ("kbuild: builddeb: Eliminate debian/arch
use"), direct execution of debian/rules results in the following error:
dpkg-architecture: error: unknown option 'DEB_HOST_MULTIARCH'
The current code:
dpkg-architecture -a$DEB_HOST_ARCH -qDEB_HOST_MULTIARCH
... does not look sensible because:
- For this code to work correctly, DEB_HOST_ARCH must be pre-defined,
which is true when the packages are built via dpkg-buildpackage.
In this case, DEB_HOST_MULTIARCH is also likely defined, hence there
is no need to query DEB_HOST_MULTIARCH in the first place.
- If DEB_HOST_MULTIARCH is undefined, DEB_HOST_ARCH is likely undefined
too. So, you cannot query DEB_HOST_MULTIARCH in this way. This is
mostly the case where debian/rules is directly executed.
When debian/rules is directly executed, querying DEB_HOST_MUCHARCH is
not enough because we need to know DEB_{BUILD,HOST}_GNU_TYPE as well.
All DEB_* variables are defined when the package build is initiated by
dpkg-buildpackage, but otherwise, let's call dpkg-architecture to set
all DEB_* environment variables.
This requires dpkg 1.20.6 or newer because --print-format option
was added in dpkg commit 7c54fa2b232e ("dpkg-architecture: Add a
--print-format option").
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
In 2017, the dpkg suite introduced the rootless builds support with the
following commits:
- 2436807c87b0 ("dpkg-deb: Add support for rootless builds")
- fca1bfe84068 ("dpkg-buildpackage: Add support for rootless builds")
This feature is available in the default dpkg on Debian 10 and Ubuntu
20.04.
Remove the old method.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Since commit d8131c2965 ("kbuild: remove $(MODLIB)/source symlink"),
modules_install does not create the 'source' symlink.
Remove the stale code from builddeb and kernel.spec.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
The kernel-devel RPM package and the linux-headers Debian package
provide headers and scripts needed for building external modules.
They copy the necessary files in slightly different ways - the RPM
copies almost everything except some exclude patterns, while the Debian
copies less number of files. There is no need to maintain different code
to do the same thing.
Split the Debian code out to scripts/package/install-extmod-build, which
is called from both of the packages.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
When CONFIG_MODULES is disabled for ARCH=um, 'make (bin)deb-pkg' fails
with an error like follows:
cp: cannot create regular file 'debian/linux-image/usr/lib/uml/modules/6.4.0-rc2+/System.map': No such file or directory
Remove the CONFIG_MODULES check completely so ${pdir}/usr/lib/uml/modules
will always be created and modules.builtin.(modinfo) will be installed
under it for ARCH=um.
Fixes: b611daae5e ("kbuild: deb-pkg: split image and debug objects staging out into functions")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Even for a non-modular kernel, the kernel builds modules.builtin and
modules.builtin.modinfo, with information about the built-in modules.
Tools such as initramfs-tools need these files to build a working
initramfs on some systems, such as those requiring firmware.
Now that `make modules_install` works even in non-modular kernels and
installs these files, unconditionally invoke it when building a Debian
package.
Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
In the builddeb context, the DEB_HOST_ARCH environment variable is set
to the same value as debian/arch's content, so use the variable with
dpkg-architecture.
This is the last use of the debian/arch file during dpkg-buildpackage time.
Signed-off-by: Bastian Germann <bage@linutronix.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
As a result of the switch to dh_listpackages, $version is no longer set
when install_kernel_headers() is called. This causes files in the
linux-headers deb package to be installed to a path with an empty
$version (e.g. /usr/src/linux-headers-/scripts/sign-file rather than
/usr/src/linux-headers-6.3.0-rc3/scripts/sign-file).
To avoid this, while continuing to use the version information from
dh_listpackages, pass $version from $package as the second argument
of install_kernel_headers().
Fixes: 36862e14e3 ("kbuild: deb-pkg: use dh_listpackages to know enabled packages")
Signed-off-by: Kevin Locke <kevin@kevinlocke.name>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Use dh_listpackages to get a list of all binary packages.
With this, debian/control lists which binary packages will be produced.
Previously, ARCH=um listed linux-libc-dev in debian/control, but it
was not generated because each of mkdebian and builddeb independently
maintained the if-conditionals.
Another motivation is to allow scripts/package/builddeb to get the
package name (linux-image-*, etc.) dynamically from debian/control.
This will also allow the BuildProfile to control the generation of
the binary packages.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
No need to call chmod three times when it can do everything at once.
Signed-off-by: Sven Joachim <svenjoac@gmx.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Now that stack validation is an optional feature of objtool, add
CONFIG_OBJTOOL and replace most usages of CONFIG_STACK_VALIDATION with
it.
CONFIG_STACK_VALIDATION can now be considered to be frame-pointer
specific. CONFIG_UNWINDER_ORC is already inherently valid for live
patching, so no need to "validate" it.
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Link: https://lkml.kernel.org/r/939bf3d85604b2a126412bf11af6e3bd3b872bcb.1650300597.git.jpoimboe@redhat.com
Building 5.10-rc1 in a setgid directory failed with the following
error:
dpkg-deb: error: control directory has bad permissions 2755 (must be
>=0755 and <=0775)
When building with fakeroot, the earlier chown call would have removed
the setgid bits, but in a rootless build they remain.
Fixes: 3e85418036 ("builddeb: Enable rootless builds")
Cc: Guillem Jover <guillem@hadrons.org>
Signed-off-by: Sven Joachim <svenjoac@gmx.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Since commit 269a535ca9 ("modpost: generate vmlinux.symvers and
reuse it for the second modpost"), with CONFIG_MODULES disabled,
"make deb-pkg" (or "make bindeb-pkg") fails with:
find: ‘Module.symvers’: No such file or directory
If CONFIG_MODULES is disabled, it doesn't really make sense to build
the linux-headers package.
Fixes: 269a535ca9 ("modpost: generate vmlinux.symvers and reuse it for the second modpost")
Reported-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This makes it possible to build the Debian packages without requiring
(pseudo-)root privileges, when the build drivers support this mode
of operation.
See-Also: /usr/share/doc/dpkg/rootless-builds.txt.gz
Signed-off-by: Guillem Jover <guillem@hadrons.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
We should not be encoding the timestamp, otherwise we end up generating
unreproducible files that cascade into unreproducible packages.
Signed-off-by: Guillem Jover <guillem@hadrons.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
There was a request to preprocess the module linker script like we
do for the vmlinux one. (https://lkml.org/lkml/2020/8/21/512)
The difference between vmlinux.lds and module.lds is that the latter
is needed for external module builds, thus must be cleaned up by
'make mrproper' instead of 'make clean'. Also, it must be created
by 'make modules_prepare'.
You cannot put it in arch/$(SRCARCH)/kernel/, which is cleaned up by
'make clean'. I moved arch/$(SRCARCH)/kernel/module.lds to
arch/$(SRCARCH)/include/asm/module.lds.h, which is included from
scripts/module.lds.S.
scripts/module.lds is fine because 'make clean' keeps all the
build artifacts under scripts/.
You can add arch-specific sections in <asm/module.lds.h>.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Tested-by: Jessica Yu <jeyu@kernel.org>
Acked-by: Will Deacon <will@kernel.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Palmer Dabbelt <palmerdabbelt@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Jessica Yu <jeyu@kernel.org>
The commands surrounded by ( ... ) is run in a sub-shell, but you do
not have to spawn a sub-shell for every single line.
Use just one ( ... ) for creating debian/hdrsrcfiles.
For tar, use -C option instead.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This script works only when it is invoked in the $objtree, that is,
it is already relying on $objtree is '.'
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
The temporary directory names, debian/hdrtmp (linux-headers package)
vs debian/headertmp (linux-libc-dev package), are confusing.
Matching the directory name to the package name is clearer, IMHO.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
- We do not need tools/objtool/fixdep or tools/objtool/sync-check.sh
for building external modules. Including tools/objtool/objtool is
enough.
- gcc-common.h is a check-in file. I do not see any point to search
for it in objtree.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Select deb compression using KDEB_COMPRESS make variable. This allows to
use gzip compression for local or test builds, and that's way faster
than now-default xz compression.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Remove a bunch of files not used during external module builds:
- foreign architecture headers
- subtree Makefiles
- Kconfig files
- perl scripts
On amd64 system this looses a third of the resulting .deb size.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Debian-based distributions place libc header files in a machine
specific directory (/usr/include/<libc-machine>) instead of
/usr/include/asm to support installation of the linux-libc-dev
package from multiple architectures. Move headers installed by
"make headers_install" accordingly using Debian's tuple from
dpkg-architecture (stored in debian/arch).
Signed-off-by: Cedric Hombourger <Cedric_Hombourger@mentor.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
It is absolutely fine to add extra sanity checks in package scripts,
but it is not necessary to do so.
This is already covered by the daily compile-testing (0day bot etc.)
because headers_check is run as a part of the normal build process
when CONFIG_HEADERS_CHECK=y.
Replace it with the newly-added "make headers".
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This will be a little more efficient since unset CONFIG options are
stripped away from auto.conf, and we can hard-code the path to auto.conf
since it is never overridden.
include/config/kernel.release is generated before %pkg is run.
So, it is guaranteed auto.conf is up-to-date.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
I think is_enabled() and if_enable_echo() in scripts/package/mkdebian
are useful.
builddeb also has many repetitive greps over the kernel config, so I
borrowed the idea to clean it up.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
'$(MAKE) KBUILD_SRC=' changes the working directory back and forth
between objtree and srctree.
It is better to recurse to the top-level Makefile directly.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Commit 37c8a5fafa ("kbuild: consolidate Devicetree dtb build rules")
moved the location of 'dtbs_install' target which caused dtbs to not be
installed when building debian package with 'bindeb-pkg' target. Update
the builddeb script to use the same logic that determines if there's a
'dtbs_install' target which is presence of the arch dts directory. Also,
use CONFIG_OF_EARLY_FLATTREE instead of CONFIG_OF as that's a better
indication of whether we are building dtbs.
This commit will also have the side effect of installing dtbs on any
arch that has dts files. Previously, it was dependent on whether the
arch defined 'dtbs_install'.
Fixes: 37c8a5fafa ("kbuild: consolidate Devicetree dtb build rules")
Reported-by: Nuno Gonçalves <nunojpg@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Ard Biesheuvel reports bindeb-pkg with O= option is broken in the
following way:
...
LD [M] sound/soc/rockchip/snd-soc-rk3399-gru-sound.ko
LD [M] sound/soc/rockchip/snd-soc-rockchip-pcm.ko
LD [M] sound/soc/rockchip/snd-soc-rockchip-rt5645.ko
LD [M] sound/soc/rockchip/snd-soc-rockchip-spdif.ko
LD [M] sound/soc/sh/rcar/snd-soc-rcar.ko
fakeroot -u debian/rules binary
make KERNELRELEASE=4.19.0-12677-g19beffaf7a99-dirty ARCH=arm64 KBUILD_SRC= intdeb-pkg
/bin/bash /home/ard/linux/scripts/package/builddeb
Makefile:600: include/config/auto.conf: No such file or directory
***
*** Configuration file ".config" not found!
***
*** Please run some configurator (e.g. "make oldconfig" or
*** "make menuconfig" or "make xconfig").
***
make[12]: *** [syncconfig] Error 1
make[11]: *** [syncconfig] Error 2
make[10]: *** [include/config/auto.conf] Error 2
make[9]: *** [__sub-make] Error 2
...
Prior to commit 80463f1b7b ("kbuild: add --include-dir flag only
for out-of-tree build"), both srctree and objtree were added to
--include-dir redundantly, and the wrong code '$MAKE image_name'
was working by relying on that. Now, the potential issue that had
previously been hidden just showed up.
'$MAKE image_name' recurses to the generated $(objtree)/Makefile and
ends up with running in srctree, which is incorrect. It should be
invoked with '-f $srctree/Makefile' (or KBUILD_SRC=) to be executed
in objtree.
Fixes: 80463f1b7b ("kbuild: add --include-dir flag only for out-of-tree build")
Reported-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Move debian/ directory generation out of builddeb to a new script,
mkdebian. The package build commands are kept in builddeb, which
is now an internal command called from debian/rules.
With these changes in place, we can now use dpkg-buildpackage from
deb-pkg and bindeb-pkg removing need for handrolled source/changes
generation.
This patch is based on the criticism of the current state of builddeb
discussed on:
https://patchwork.kernel.org/patch/9656403/
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Since d5d332d3f7, a couple of links in scripts/dtc/include-prefixes
are additionally required in order to build device trees with the header
package.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Riku Voipio <riku.voipio@linaro.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
At the end of "make bindeb-pkg" I noticed the following warning:
dpkg-genchanges: warning: unknown substitution variable ${kernel:debarch}
It turns out that since dpkg version 1.19.0 dpkg-genchanges honors
substitution variables in the Description field, while earlier
versions silently left them alone, see https://bugs.debian.org/856547.
The result is an incomplete description of the linux-headers package
in the generated .changes file. Fix it by passing the kernel:debarch
substitution variable to dpkg-genchanges.
Signed-off-by: Sven Joachim <svenjoac@gmx.de>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Commit 5620a0d1aa ("firmware: delete in-kernel firmware") deleted
in-kernel firmware support, including the firmware install command.
So, the firmware package does not make sense any more. Remove it.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Riku Voipio <riku.voipio@linaro.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- Clean up builddeb script
- Use full path for KBUILD_IMAGE to fix rpm-pkg build
- Fix objdiff tool to ignore debug info
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Merge tag 'kbuild-misc-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull misc Kbuild updates from Masahiro Yamada:
- clean up builddeb script
- use full path for KBUILD_IMAGE to fix rpm-pkg build
- fix objdiff tool to ignore debug info
* tag 'kbuild-misc-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
builddeb: fix typo
builddeb: Update a few outdated and hardcoded strings
deb-pkg: Remove the KBUILD_IMAGE workaround
unicore32: Use full path in KBUILD_IMAGE definition
sh: Use full path in KBUILD_IMAGE definition
arc: Use full path in KBUILD_IMAGE definition
arm: Use full path in KBUILD_IMAGE definition
arm64: Use full path in KBUILD_IMAGE definition
scripts: objdiff: Ignore debug info when comparing
The builddeb script has some hardcoded references to Linux version 2.6
which is ancient. Drop Provides as the virtual packages provided are not
useful anymore. Leave the Provides for linux-kernel-headers, as someone
might still be referring to it.
While at it, updated copyright date and drop Standards-Version: since
the package isn't Debian Standards compliant anyways.
Cc: Timo Sigurdsson <public_timo.s@silentcreek.de>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
URLs to ftp.kernel.org are still exist though the service is closed [0].
This commit fixes the URLs to use www.kernel.org instead.
[0] https://www.kernel.org/shutting-down-ftp-services.html
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The arch Makefile are fixed to set KBUILD_IMAGE to the full patch, so
the workaround is no longer needed.
Signed-off-by: Michal Marek <mmarek@suse.com>
Reviewed-by: Riku Voipio <riku.voipio@linaro.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Both Debian and kernel archs are "arm64" but UTS_MACHINE and gcc say
"aarch64". Recognizing just the latter should be enough but let's
accept both in case something regresses again or an user sets
UTS_MACHINE=arm64.
Regressed in cfa88c7: arm64: Set UTS_MACHINE in the Makefile.
Signed-off-by: Adam Borowski <kilobyte@angband.pl>
Acked-by: Riku Voipio <riku.voipio@linaro.org>
Signed-off-by: Michal Marek <mmarek@suse.com>
