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* kbuild: Stop including vmlinux.bz2 in the rpm'sZack Rusin2022-10-121-2/+0
| | | | | | | | | | | | | | | | | | vmlinux.bz2 was added to the rpm packages in 2009 in the fc370ecfdb37 ("kbuild: add vmlinux to kernel rpm") but seemingly hasn't been used since. Originally this should have been split up in a seperate debugging package because it massively increases the size of the generated rpm's e.g. kernel rpm built using binrpm-pkg on Fedora 36 default 5.19.8 kernel config and localmodconfig is ~255MB with vmlinux.bz2 and only ~65MB without it. Make the kernel built rpms about 4x smaller by not including the unused vmlinux.bz2 in them. Signed-off-by: Zack Rusin <zackr@vmware.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: rpm-pkg: fix breakage when V=1 is usedJanis Schoetterl-Glausch2022-09-281-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | Doing make V=1 binrpm-pkg results in: Executing(%install): /bin/sh -e /var/tmp/rpm-tmp.EgV6qJ + umask 022 + cd . + /bin/rm -rf /home/scgl/rpmbuild/BUILDROOT/kernel-6.0.0_rc5+-1.s390x + /bin/mkdir -p /home/scgl/rpmbuild/BUILDROOT + /bin/mkdir /home/scgl/rpmbuild/BUILDROOT/kernel-6.0.0_rc5+-1.s390x + mkdir -p /home/scgl/rpmbuild/BUILDROOT/kernel-6.0.0_rc5+-1.s390x/boot + make -f ./Makefile image_name + cp test -e include/generated/autoconf.h -a -e include/config/auto.conf || ( \ echo >&2; \ echo >&2 " ERROR: Kernel configuration is invalid."; \ echo >&2 " include/generated/autoconf.h or include/config/auto.conf are missing.";\ echo >&2 " Run 'make oldconfig && make prepare' on kernel src to fix it."; \ echo >&2 ; \ /bin/false) arch/s390/boot/bzImage /home/scgl/rpmbuild/BUILDROOT/kernel-6.0.0_rc5+-1.s390x/boot/vmlinuz-6.0.0-rc5+ cp: invalid option -- 'e' Try 'cp --help' for more information. error: Bad exit status from /var/tmp/rpm-tmp.EgV6qJ (%install) Because the make call to get the image name is verbose and prints additional information. Fixes: 993bdde94547 ("kbuild: add image_name to no-sync-config-targets") Signed-off-by: Janis Schoetterl-Glausch <scgl@linux.ibm.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: rpm-pkg: fix build error when _arch is undefinedMasahiro Yamada2022-07-271-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Cross-building (bin)rpm-pkg fails on several architectures. For example, 'make ARCH=arm binrpm-pkg' fails like follows: sh ./scripts/package/mkspec prebuilt > ./binkernel.spec rpmbuild --define "_builddir ." --target \ arm -bb ./binkernel.spec Building target platforms: arm Building for target arm warning: line 19: It's not recommended to have unversioned Obsoletes: Obsoletes: kernel-headers Executing(%install): /bin/sh -e /var/tmp/rpm-tmp.0S8t2F + umask 022 + cd . + mkdir -p /home/masahiro/rpmbuild/BUILDROOT/kernel-5.19.0_rc6-19.%{_arch}/boot + make -f ./Makefile image_name + cp arch/arm/boot/zImage /home/masahiro/rpmbuild/BUILDROOT/kernel-5.19.0_rc6-19.%{_arch}/boot/vmlinuz-5.19.0-rc6 + make -f ./Makefile INSTALL_MOD_PATH=/home/masahiro/rpmbuild/BUILDROOT/kernel-5.19.0_rc6-19.%{_arch} modules_install make[3]: *** No rule to make target '/home/masahiro/rpmbuild/BUILDROOT/kernel-5.19.0_rc6-19.arch/arm/crypto/aes-arm-bs.ko{_arch}/lib/modules/5.19.0-rc6/kernel/%', needed by '__modinst'. Stop. make[2]: *** [Makefile:1768: modules_install] Error 2 error: Bad exit status from /var/tmp/rpm-tmp.0S8t2F (%install) By default, 'buildroot' contains %{_arch} (see /usr/lib/rpm/macros). _arch is generally defined in /usr/lib/rpm/platforms/*/macros, where the platform sub-directory is specified by --target= option for cross builds. If the given arch does not exist, %{_arch} is not expanded. In the example above, --target=arm is passed to rpmbuild, but /usr/lib/rpm/platforms/arm-linux/ does not exist. The '%' character in the path confuses GNU make and rpmbuild. The same occurs for such architectures as csky, microblaze, nios2, etc. Define _arch if it has not been defined. Reported-by: Jason Self <jason@bluehome.net> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* objtool: Add CONFIG_OBJTOOLJosh Poimboeuf2022-04-221-1/+1
| | | | | | | | | | | | | | | 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
* kbuild: Add make tarzst-pkg build optionPaweł Jasiak2021-10-121-0/+4
| | | | | | | | Add tarzst-pkg and perf-tarzst-src-pkg targets to build zstd compressed tarballs. Signed-off-by: Paweł Jasiak <pawel@jasiak.dev> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: buildtar: add riscv supportCarlos de Paula2021-03-301-0/+8
| | | | | | | Make 'make tar-pkg' and 'tarbz2-pkg' work on riscv. Signed-off-by: Carlos de Paula <me@carlosedp.com> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
* builddeb: Fix rootless build in setuid/setgid directorySven Joachim2020-11-021-0/+2
| | | | | | | | | | | | | | | | 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: 3e8541803624 ("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>
* kbuild: deb-pkg: clean up package name variablesMasahiro Yamada2020-10-141-9/+9
| | | | | | | | | | Hard-code the names of linux-headers and debug packages in the control file. The kernel package is different for ARCH=um. Change the code for better readability. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: deb-pkg: do not build linux-headers package if CONFIG_MODULES=nMasahiro Yamada2020-10-142-9/+16
| | | | | | | | | | | | | | | Since commit 269a535ca931 ("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: 269a535ca931 ("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>
* builddeb: Add support for all required debian/rules targetsGuillem Jover2020-10-091-2/+6
| | | | | | | | | | | | | | | | These have been required by the Debian policy for a while, even though the tooling can detect and workaround their omission, but are a hard requirement when using rootless builds. [masahiro: The following Debian policy is particularly important for rootless builds: "Both binary-* targets should depend on the build target, or on the appropriate build-arch or build-indep target, so that the package is built if it has not been already." ] Signed-off-by: Guillem Jover <guillem@hadrons.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* builddeb: Enable rootless buildsGuillem Jover2020-10-092-2/+8
| | | | | | | | | | 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>
* builddeb: Pass -n to gzip for reproducible packagesGuillem Jover2020-10-091-1/+1
| | | | | | | | 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>
* kbuild: preprocess module linker scriptMasahiro Yamada2020-09-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* kbuild: Replace HTTP links with HTTPS onesAlexander A. Klimov2020-08-092-2/+2
| | | | | | | | | | | | | | | | | | | | Rationale: Reduces attack surface on kernel devs opening the links for MITM as HTTPS traffic is much harder to manipulate. Deterministic algorithm: For each file: If not .svg: For each line: If doesn't contain `\bxmlns\b`: For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`: If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`: If both the HTTP and HTTPS versions return 200 OK and serve the same content: Replace HTTP with HTTPS. Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: buildtar: add dtbs supportDomenico Andreoli2020-07-071-0/+12
| | | | | | | Make 'make tar-pkg' install dtbs. Signed-off-by: Domenico Andreoli <domenico.andreoli@linux.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: fix broken builds because of GZIP,BZIP2,LZOP variablesDenis Efremov2020-06-111-2/+2
| | | | | | | | | | | | | | | Redefine GZIP, BZIP2, LZOP variables as KGZIP, KBZIP2, KLZOP resp. GZIP, BZIP2, LZOP env variables are reserved by the tools. The original attempt to redefine them internally doesn't work in makefiles/scripts intercall scenarios, e.g., "make GZIP=gzip bindeb-pkg" and results in broken builds. There can be other broken build commands because of this, so the universal solution is to use non-reserved env variables for the compression tools. Fixes: 8dfb61dcbace ("kbuild: add variables for compression tools") Signed-off-by: Denis Efremov <efremov@linux.com> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: add variables for compression toolsDenis Efremov2020-06-061-3/+3
| | | | | | | | | | | | | | | | | | | | Allow user to use alternative implementations of compression tools, such as pigz, pbzip2, pxz. For example, multi-threaded tools to speed up the build: $ make GZIP=pigz BZIP2=pbzip2 Variables _GZIP, _BZIP2, _LZOP are used internally because original env vars are reserved by the tools. The use of GZIP in gzip tool is obsolete since 2015. However, alternative implementations (e.g., pigz) still rely on it. BZIP2, BZIP, LZOP vars are not obsolescent. The credit goes to @grsecurity. As a sidenote, for multi-threaded lzma, xz compression one can use: $ export XZ_OPT="--threads=0" Signed-off-by: Denis Efremov <efremov@linux.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: deb-pkg: fix warning when CONFIG_DEBUG_INFO is unsetReinhard Karcher2020-03-301-0/+5
| | | | | | | | | | | Creating a Debian package without CONFIG_DEBUG_INFO produces a warning that no debug package was created. This patch excludes the debug package from the control file, if no debug package is created by this configuration. Signed-off-by: Reinhard Karcher <reinhard.karcher@gmx.net> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* builddeb: split libc headers deployment out into a functionMasahiro Yamada2020-01-281-14/+18
| | | | | | | Deploy user-space headers (linux-libc-dev package) in a separate function for readability. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* builddeb: split kernel headers deployment out into a functionMasahiro Yamada2020-01-281-34/+42
| | | | | | | Deploy kernel headers (linux-headers package) in a separate function for readability. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* builddeb: remove redundant make for ARCH=umMasahiro Yamada2020-01-281-2/+1
| | | | | | The kernel build has already been done before builddeb is invoked. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* builddeb: avoid invoking sub-shells where possibleMasahiro Yamada2020-01-281-13/+22
| | | | | | | | | | | 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>
* builddeb: remove redundant $objtree/Masahiro Yamada2020-01-281-16/+16
| | | | | | | 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>
* builddeb: match temporary directory name to the package nameMasahiro Yamada2020-01-281-4/+4
| | | | | | | | | 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>
* builddeb: remove unneeded files in hdrobjfiles for headers packageMasahiro Yamada2020-01-281-2/+2
| | | | | | | | | | | - 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>
* builddeb: allow selection of .deb compressorMichał Mirosław2020-01-211-1/+1
| | | | | | | | | 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>
* builddeb: make headers package thinnerMichał Mirosław2020-01-141-2/+2
| | | | | | | | | | | | | 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>
* kbuild/deb-pkg: annotate libelf-dev dependency as :nativeArd Biesheuvel2020-01-031-1/+1
| | | | | | | | | | | | | | | | | Cross compiling the x86 kernel on a non-x86 build machine produces the following error when CONFIG_UNWINDER_ORC is enabled, regardless of whether libelf-dev is installed or not. dpkg-checkbuilddeps: error: Unmet build dependencies: libelf-dev dpkg-buildpackage: warning: build dependencies/conflicts unsatisfied; aborting dpkg-buildpackage: warning: (Use -d flag to override.) Since this is a build time dependency for a build tool, we need to depend on the native version of libelf-dev so add the appropriate annotation. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* scripts: package: mkdebian: add missing rsync dependencyEnrico Weigelt, metux IT consult2019-12-171-1/+1
| | | | | | | | | We've missed the dependency to rsync, so build fails on minimal containers. Fixes: 59b2bd05f5f4 ("kbuild: add 'headers' target to build up uapi headers in usr/include") Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: Add make dir-pkg build optionMatteo Croce2019-11-111-2/+6
| | | | | | | | | | Add a 'dir-pkg' target which just creates the same directory structures as in tar-pkg, but doesn't package anything. Useful when the user wants to copy the kernel tree on a machine using ssh, rsync or whatever. Signed-off-by: Matteo Croce <mcroce@redhat.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* kbuild: pkg: rename scripts/package/Makefile to scripts/Makefile.packageMasahiro Yamada2019-08-251-156/+0
| | | | | | | | scripts/package/Makefile does not use $(obj) or $(src) at all. It actually generates files and directories in the top of $(objtree). I do not see much sense in descending into scripts/package/. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* kbuild: pkg: add package targets to PHONY instead of FORCEMasahiro Yamada2019-08-251-9/+20
| | | | | | These are not real targets. Adding them to PHONY is preferred. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* kbuild: pkg: clean up package files/dirs from the top MakefileMasahiro Yamada2019-08-251-9/+0
| | | | | | | | | I am not a big fan of the $(objtree)/ hack for clean-files/clean-dirs. These are created in the top of $(objtree), so let's clean them up from the top Makefile. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* kbuild: create *.mod with full directory path and remove MODVERDIRMasahiro Yamada2019-07-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While descending directories, Kbuild produces objects for modules, but do not link final *.ko files; it is done in the modpost. To keep track of modules, Kbuild creates a *.mod file in $(MODVERDIR) for every module it is building. Some post-processing steps read the necessary information from *.mod files. This avoids descending into directories again. This mechanism was introduced in 2003 or so. Later, commit 551559e13af1 ("kbuild: implement modules.order") added modules.order. So, we can simply read it out to know all the modules with directory paths. This is easier than parsing the first line of *.mod files. $(MODVERDIR) has a flat directory structure, that is, *.mod files are named only with base names. This is based on the assumption that the module name is unique across the tree. This assumption is really fragile. Stephen Rothwell reported a race condition caused by a module name conflict: https://lkml.org/lkml/2019/5/13/991 In parallel building, two different threads could write to the same $(MODVERDIR)/*.mod simultaneously. Non-unique module names are the source of all kind of troubles, hence commit 3a48a91901c5 ("kbuild: check uniqueness of module names") introduced a new checker script. However, it is still fragile in the build system point of view because this race happens before scripts/modules-check.sh is invoked. If it happens again, the modpost will emit unclear error messages. To fix this issue completely, create *.mod with full directory path so that two threads never attempt to write to the same file. $(MODVERDIR) is no longer needed. Since modules with directory paths are listed in modules.order, Kbuild is still able to find *.mod files without additional descending. I also killed cmd_secanalysis; scripts/mod/sumversion.c computes MD4 hash for modules with MODULE_VERSION(). When CONFIG_DEBUG_SECTION_MISMATCH=y, it occurs not only in the modpost stage, but also during directory descending, where sumversion.c may parse stale *.mod files. It would emit 'No such file or directory' warning when an object consisting a module is renamed, or when a single-obj module is turned into a multi-obj module or vice versa. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Nicolas Pitre <nico@fluxnic.net>
* builddeb: generate multi-arch friendly linux-libc-dev packageCedric Hombourger2019-07-172-0/+6
| | | | | | | | | | | | 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>
* kbuild: do not create wrappers for header-test-yMasahiro Yamada2019-07-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | header-test-y does not work with headers in sub-directories. For example, you may want to write a Makefile, like this: include/linux/Kbuild: header-test-y += mtd/nand.h This entry will create a wrapper include/linux/mtd/nand.hdrtest.c with the following content: #include "mtd/nand.h" To make this work, we need to add $(srctree)/include/linux to the header search path. It would be tedious to add ccflags-y. Instead, we could change the *.hdrtest.c rule to wrap: #include "nand.h" This works for in-tree build since #include "..." searches in the relative path from the header with this directive. For O=... build, we need to add $(srctree)/include/linux/mtd to the header search path, which will be even more tedious. After all, I thought it would be handier to compile headers directly without creating wrappers. I added a new build rule to compile %.h into %.h.s The target is %.h.s instead of %.h.o because it is slightly faster. Also, as for GCC, an empty assembly is smaller than an empty object. I wrote the build rule: $(CC) $(c_flags) -S -o $@ -x c /dev/null -include $< instead of: $(CC) $(c_flags) -S -o $@ -x c $< Both work fine with GCC, but the latter is bad for Clang. This comes down to the difference in the -Wunused-function policy. GCC does not warn about unused 'static inline' functions at all. Clang does not warn about the ones in included headers, but does about the ones in the source. So, we should handle headers as headers, not as source files. In fact, this has been hidden since commit abb2ea7dfd82 ("compiler, clang: suppress warning for unused static inline functions"), but we should not rely on that. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Jani Nikula <jani.nikula@intel.com> Tested-by: Jani Nikula <jani.nikula@intel.com>
* kbuild: deb-pkg: do not run headers_checkMasahiro Yamada2019-06-151-1/+1
| | | | | | | | | | | | | 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>
* kbuild: tar-pkg: enable communication with jobserverTrevor Bourget2019-06-041-1/+1
| | | | | | | | | | | | | | | | | The buildtar script might want to invoke a make, so tell the parent make to pass the jobserver token pipe to the subcommand by prefixing the command with a +. This addresses the issue seen here: /bin/sh ../scripts/package/buildtar tar-pkg make[3]: warning: jobserver unavailable: using -j1. Add '+' to parent make rule. See https://www.gnu.org/software/make/manual/html_node/Job-Slots.html for more information. Signed-off-by: Trevor Bourget <tgb.kernel@gmail.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner2019-05-211-0/+1
| | | | | | | | | | | | | | Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* kbuild: deb-pkg: avoid implicit effectsArseny Maslennikov2019-03-171-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * The man page for dpkg-source(1) notes: > -b, --build directory [format-specific-parameters] > Build a source package (--build since dpkg 1.17.14). > <...> > > dpkg-source will build the source package with the first > format found in this ordered list: the format indicated > with the --format command line option, the format > indicated in debian/source/format, “1.0”. The fallback > to “1.0” is deprecated and will be removed at some point > in the future, you should always document the desired > source format in debian/source/format. See section > SOURCE PACKAGE FORMATS for an extensive description of > the various source package formats. Thus it would be more foolproof to explicitly use 1.0 (as we always did) than to rely on dpkg-source's defaults. * In a similar vein, debian/rules is not made executable by mkdebian, and dpkg-source warns about that but still silently fixes the file. Let's be explicit once again. Signed-off-by: Arseny Maslennikov <ar@cs.msu.ru> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* kbuild: pkg: grep include/config/auto.conf instead of $KCONFIG_CONFIGMasahiro Yamada2019-03-133-3/+3
| | | | | | | | | | | 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>
* kbuild: deb-pkg: introduce is_enabled and if_enabled_echo to builddebMasahiro Yamada2019-03-131-13/+19
| | | | | | | | | | 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>
* kbuild: deb-pkg: add CONFIG_ prefix to kernel config optionsMasahiro Yamada2019-03-131-17/+17
| | | | | | | | | | | | This might be a kind of bike-shed, but I personally prefer grep'able code. I often do 'git grep CONFIG_FOO' instead of 'git grep FOO' when I want to know where that CONFIG option is used. This makes code longer, but I hope this is acceptable level. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* deb-pkg: generate correct build dependenciesRiku Voipio2019-03-131-1/+3
| | | | | | | | | | | | | | | | | | | bison/flex is now needed always for building for kconfig. Some build dependencies depend on kernel configuration, enable them as needed: - libelf-dev when UNWINDER_ORC is set - libssl-dev for SYSTEM_TRUSTED_KEYRING Since the libssl-dev is needed for extract_cert binary, denote with :native to install the libssl-dev for the build machines architecture, rather than for the architecture of the kernel being built. Tested-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org> Reviewed-by: Ben Hutchings <ben@decadent.org.uk> Acked-by: maximilian attems <maks@stro.at> [masahiro.yamada: change 'flex' to 'flex | flex:native' ] Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* kbuild: [bin]deb-pkg: add DPKG_FLAGS variableKacper Kołodziej2019-02-281-2/+2
| | | | | | | | DPKG_FLAGS variable lets user to add more flags to dpkg-buildpackage command in deb-pkg and bindeb-pkg. Signed-off-by: Kacper Kołodziej <kacper@kolodziej.it> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* kbuild: pkg: use -f $(srctree)/Makefile to recurse to top MakefileMasahiro Yamada2019-02-204-10/+12
| | | | | | | | | '$(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>
* kbuild: remove redundant 'set -e' from cmd_* definesMasahiro Yamada2018-12-011-1/+0
| | | | | | | | | These three cmd_* are invoked in the $(call cmd,*) form. Now that 'set -e' moved to the 'cmd' macro, they do not need to explicitly give 'set -e'. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* builddeb: Fix inclusion of dtbs in debian packageRob Herring2018-11-111-2/+2
| | | | | | | | | | | | | | | | | | | Commit 37c8a5fafa3b ("kbuild: consolidate Devicetree dtb build rules") moved the location of 'dtbs_install' target which caused dtbs to not be installed when building debian package with 'bindeb-pkg' target. Update the builddeb script to use the same logic that determines if there's a 'dtbs_install' target which is presence of the arch dts directory. Also, use CONFIG_OF_EARLY_FLATTREE instead of CONFIG_OF as that's a better indication of whether we are building dtbs. This commit will also have the side effect of installing dtbs on any arch that has dts files. Previously, it was dependent on whether the arch defined 'dtbs_install'. Fixes: 37c8a5fafa3b ("kbuild: consolidate Devicetree dtb build rules") Reported-by: Nuno Gonçalves <nunojpg@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* kbuild: deb-pkg: fix too low build version numberMasahiro Yamada2018-11-111-2/+5
| | | | | | | | | | | | | | | | | | | | Since commit b41d920acff8 ("kbuild: deb-pkg: split generating packaging and build"), the build version of the kernel contained in a deb package is too low by 1. Prior to the bad commit, the kernel was built first, then the number in .version file was read out, and written into the debian control file. Now, the debian control file is created before the kernel is actually compiled, which is causing the version number mismatch. Let the mkdebian script pass KBUILD_BUILD_VERSION=${revision} to require the build system to use the specified version number. Fixes: b41d920acff8 ("kbuild: deb-pkg: split generating packaging and build") Reported-by: Doug Smythies <dsmythies@telus.net> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Tested-by: Doug Smythies <dsmythies@telus.net>
* kbuild: deb-pkg: fix bindeb-pkg breakage when O= is usedMasahiro Yamada2018-11-051-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 80463f1b7bf9 ("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: 80463f1b7bf9 ("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>
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