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* kbuild: unexport abs_srctree and abs_objtreeMasahiro Yamada2024-03-101-1/+1
| | | | | | | | | | | | | | | | | Commit 25b146c5b8ce ("kbuild: allow Kbuild to start from any directory") exported abs_srctree and abs_objtree to avoid recomputation after the sub-make. However, this approach turned out to be fragile. Commit 5fa94ceb793e ("kbuild: set correct abs_srctree and abs_objtree for package builds") moved them above "ifneq ($(sub_make_done),1)", eliminating the need for exporting them. These are only needed in the top Makefile. If an absolute path is required in sub-directories, you can use $(abspath ) or $(realpath ) as needed. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
* kbuild: deb-pkg: remove the fakeroot builds supportMasahiro Yamada2023-12-101-3/+1
| | | | | | | | | | | | | | | 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>
* kbuild: remove the last use of old cmd_src_tar rule in packagingMasahiro Yamada2023-11-281-23/+1
| | | | | | | | | | | | | The rpm-pkg and deb-pkg targets have transitioned to using 'git archive' for tarball creation. Although the old cmd_src_tar is still used by snap-pkg, there is no need to pack and unpack a tarball solely for passing the source to snapcraft. Instead, you can use 'source-type: local' to tell the source location to snapcraft. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: deb-pkg: apply short -R and -j optionsDmitrii Bundin2023-11-281-1/+1
| | | | | | | | | | | | | | | | | | | The long version --rules-file and --jobs are available since 1.18.8 while their short analogues -R and -j have been added since 1.14.7. The option --rules-file the way it works currently was introduced in the commit 5cd52673aabdf5eaa58181972119a41041fc85f2 of dpkg dated 23.07.18 with the following changelog entry: * Fix dpkg-buildpackage option --rules-file parsing. It was trying to parse it as --rules-target, which due to the ordering was a no-op. The current behavior of the long version --rules-file is guaranteed to be in use starting 1.19.1 and might cause build failures for some versions newer than 1.18.8 even in spite of being documented that way. Signed-off-by: Dmitrii Bundin <dmitrii.bundin.a@gmail.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: make binrpm-pkg always produce kernel-devel packageMasahiro Yamada2023-10-181-2/+0
| | | | | | | | | | | | | | | | | | | | The generation of the kernel-devel package is disabled for binrpm-pkg presumably because it was quite big (>= 200MB) and took a long time to package. Commit fe66b5d2ae72 ("kbuild: refactor kernel-devel RPM package and linux-headers Deb package") reduced the package size to 12MB, and now it is quick to build. It won't hurt to have binrpm-pkg generate it by default. If you want to skip the kernel-devel package generation, you can pass RPMOPTS='--without devel': $ make binrpm-pkg RPMOPTS='--without devel' Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Tested-by: Nathan Chancellor <nathan@kernel.org>
* kbuild: rpm-pkg: generate kernel.spec in rpmbuild/SPECS/Masahiro Yamada2023-10-031-4/+4
| | | | | | | | | kernel.spec is the last piece that resides outside the rpmbuild/ directory. Move all the RPM-related files to rpmbuild/ consistently. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Tested-by: Nathan Chancellor <nathan@kernel.org>
* kbuild: deb-pkg: support DEB_BUILD_OPTIONS=parallel=N in debian/rulesMasahiro Yamada2023-08-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 'make srcdeb-pkg' generates a source package, which you can build later by using dpkg-buildpackage. In older dpkg versions, 'dpkg-buildpackage --jobs=N' sets not only DEB_BUILD_OPTIONS but also MAKEFLAGS. Hence, passing -j or --jobs to dpkg-buildpackage was enough for kicking the parallel execution. The behavior was changed by commit 1d0ea9b2ba3f ("dpkg-buildpackage: Change -j, --jobs semantics to non-force mode") of dpkg project. [1] Since then, 'dpkg-buildpackage --jobs=N' sets only DEB_BUILD_OPTIONS, which is not parsed by the current debian/rules. To build the package in parallel, you need to pass the alternative --jobs-force option or set the MAKEFLAGS environment variable. Debian policy [2] suggests the following code snippet for debian/rules. ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS))) NUMJOBS = $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS))) MAKEFLAGS += -j$(NUMJOBS) endif I tweaked the code to filter out parallel=1 and passed --jobs=1 to dpkg-buildpackage from scripts/Makefile.package. It is needed to force 'make deb-pkg' without the -j option to run in serial. Please note that dpkg-buildpackage sets parallel=<nproc> in DEB_BUILD_OPTIONS by default (that is, --jobs=auto is the default) and --jobs=1 is needed to restore the serial execution. When dpkg-buildpackage is invoked from Kbuild, the number of jobs is inherited from the top level Makefile. Passing --jobs=1 to dpkg-buildpackage allows debian/rules to skip parsing DEB_BUILD_OPTIONS. [1] https://salsa.debian.org/dpkg-team/dpkg/-/commit/1d0ea9b2ba3f6a2de5b1a6ff55f3df7b71f73db6 [2] https://www.debian.org/doc/debian-policy/ch-source.html#s-debianrules-options Reported-by: Bastian Germann <bage@linutronix.de> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: deb-pkg: use Debian compliant shebang for debian/rulesMasahiro Yamada2023-08-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Debian Policy "4.9. Main building script: debian/rules" requires "debian/rules must start with the line #!/usr/bin/make -f". [1] Currently, Kbuild does not follow this policy. When Kbuild generates debian/rules, "#!$(command -v $MAKE) -f" is expanded by shell. The resuling string may not be "#!/usr/bin/make -f". There was a reason to opt out the Debian policy. If you run '/path/to/my/custom/make deb-pkg', debian/rules must also be invoked by the same Make program. If #!/usr/bin/make were hard-coded in debian/rules, the sub-make would be executed by a possibly different Make version. This is problematic due to the MAKEFLAGS incompatibility, especially the job server flag. Old Make versions used --jobserver-fds to propagate job server file descriptors, but Make >= 4.2 uses --jobserver-auth. The flag disagreement between the parent/child Makes would result in a process fork explosion. However, having a non-standard path in the shebang causes another issue; the generated source package is not portable as such a path does not exist in other build environments. This commit solves those conflicting demands. Hard-code '#!/usr/bin/make -f' in debian/rules to create a portable and Debian-compliant source package. Pass '--rules-file=$(MAKE) -f debian/rules' when dpkg-buildpackage is invoked from Makefile so that debian/rules is executed by the same Make program as used to start Kbuild. [1] https://www.debian.org/doc/debian-policy/ch-source.html#main-building-script-debian-rules Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Tested-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
* kbuild: rpm-pkg: skip build dependency check on non-rpm systemsMasahiro Yamada2023-07-251-1/+2
| | | | | | | | | | | | | | | | | | | | | | Commit 8818039f959b ("kbuild: add ability to make source rpm buildable using koji") added the BuildRequires: field. Checking the build dependency is fine, but one annoyance is that 'make (bin)rpm-pkg' fails on non-rpm systems [1]. For example, Debian provides rpmbuild via 'apt install rpm', but of course cannot meet the requirement listed in the BuildRequires: field. It is possible to pass RPMOPTS=--nodeps to work around it, but it is reasonable to do it automatically. If 'rpm -q rpm' fails, it is not an RPM-managed system. (The command 'rpm' is not installed at all, or was installed by other means.) In that case, pass --nodeps to skip the build dependency check. [1]: https://lore.kernel.org/linux-kbuild/Y6mkdYQYmjUz7bqV@li-4a3a4a4c-28e5-11b2-a85c-a8d192c6f089.ibm.com/ Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: rpm-pkg: refactor *rpm-pkg targetsMasahiro Yamada2023-07-251-25/+29
| | | | | | | | | | | | | | Merge the similar build targets. Also, make the output location consistent. Previously, source packages were created in the build directory, while binary packages under ~/rpmbuild/RPMS/. Now, Kbuild creates the rpmbuild/ directory in the build directory, and saves all packages under it. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: rpm-pkg: build the kernel in-place for rpm-pkgMasahiro Yamada2023-07-251-0/+1
| | | | | | | | | Currently, 'make rpm-pkg' always builds the kernel from the pristine source tree in the ~/rpmbuild/BUILD/ directory. Build the kernel incrementally just like 'make binrpm-pkg'. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: rpm-pkg: rename binkernel.spec to kernel.specMasahiro Yamada2023-07-251-2/+2
| | | | | | | | Now kernel.spec and binkernel.spec have the exactly same contents. Use kernel.spec for binrpm-pkg as well. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: rpm-pkg: introduce %{with_devel} switch to select devel packageMasahiro Yamada2023-07-251-1/+1
| | | | | | | | | | scripts/package/mkspec preprocesses the spec file by sed, but it is unreadable. This commit removes the last portion of the sed scripting. Remove the $S$M prefixes from the conditionally generated lines. Instead, surround the code with %if %{with_devel} ... %endif. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: rpm-pkg: invoke the kernel build from rpmbuild for binrpm-pkgMasahiro Yamada2023-07-251-1/+1
| | | | | | | | | | To reduce the preprocess of the spec file, invoke the kernel build from rpmbuild. Run init/build-version to increment the release number not only for binrpm-pkg but also for srcrpm-pkg and rpm-pkg. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: add a phony target to run a command with Kbuild env varsMasahiro Yamada2023-07-251-4/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are some cases where we want to run a command with the same environment variables as Kbuild uses. For example, 'make coccicheck' invokes scripts/coccicheck from the top Makefile so that the script can reference to ${LINUXINCLUDE}, ${KBUILD_EXTMOD}, etc. The top Makefile defines several phony targets that run a script. We do it also for an internally used script, which results in a somewhat complex call graph. One example: debian/rules binary-arch -> make intdeb-pkg -> scripts/package/builddeb It is also tedious to add a dedicated target like 'intdeb-pkg' for each use case. Add a generic target 'run-command' to run an arbitrary command in an environment with all Kbuild variables set. The usage is: $ make run-command KBUILD_RUN_COMMAND=<command> The concept is similar to: $ dpkg-architecture -c <command> This executes <command> in an environment which has all DEB_* variables defined. Convert the existing 'make intdeb-pkg'. Another possible usage is to interrogate a Make variable. $ make run-command KBUILD_RUN_COMMAND='echo $(KBUILD_CFLAGS)' might be useful to see KBUILD_CFLAGS set by the top Makefile. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: rpm-pkg: do not hard-code $MAKE in spec fileMasahiro Yamada2023-07-251-2/+3
| | | | | | | | | | | | | | | | | Currently, $MAKE will expand to the GNU Make program that created the source RPM. This is problematic if you carry it to a different build host to run 'rpmbuild' there. Consider this command: $ /path/to/my/custom/make srcrpm-pkg The spec file in the SRPM will record '/path/to/my/custom/make', which exists only on that build environment. To create a portable SRPM, the spec file should avoid hard-coding $MAKE. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* Merge tag 'kbuild-v6.4' of ↵Linus Torvalds2023-04-301-14/+47
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild updates from Masahiro Yamada: - Refactor scripts/kallsyms to make it faster and easier to maintain - Clean up menuconfig - Provide Clang with hard-coded target triple instead of CROSS_COMPILE - Use -z pack-relative-relocs flags instead of --use-android-relr-tags for arm64 CONFIG_RELR - Add srcdeb-pkg target to build only a Debian source package - Add KDEB_SOURCE_COMPRESS option to specify the compression for a Debian source package - Misc cleanups and fixes * tag 'kbuild-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kbuild: deb-pkg: specify targets in debian/rules as .PHONY sparc: unify sparc32/sparc64 archhelp kbuild: rpm-pkg: remove kernel-drm PROVIDES kbuild: deb-pkg: add KDEB_SOURCE_COMPRESS to specify source compression kbuild: add srcdeb-pkg target Makefile: use -z pack-relative-relocs kbuild: clang: do not use CROSS_COMPILE for target triple kconfig: menuconfig: reorder functions to remove forward declarations kconfig: menuconfig: remove unused M_EVENT macro kconfig: menuconfig: remove OLD_NCURSES macro kbuild: builddeb: Eliminate debian/arch use scripts/kallsyms: update the usage in the comment block scripts/kallsyms: decrease expand_symbol() / cleanup_symbol_name() calls scripts/kallsyms: change the output order scripts/kallsyms: move compiler-generated symbol patterns to mksysmap scripts/kallsyms: exclude symbols generated by itself dynamically scripts/mksysmap: use sed with in-line comments scripts/mksysmap: remove comments described in nm(1) scripts/kallsyms: remove redundant code for omitting U and N kallsyms: expand symbol name into comment for debugging
| * kbuild: deb-pkg: add KDEB_SOURCE_COMPRESS to specify source compressionMasahiro Yamada2023-04-251-8/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add KDEB_SOURCE_COMPRESS to specify the compression for the orig and debian tarballs. (cf. the existing KDEB_COMPRESS is used to specify the compression for binary packages.) Supported algorithms are gzip, bzip2, lzma, and xz, all of which are supported by dpkg-source. The current default is gzip. You can change it via the environment variable, for example, 'KDEB_SOURCE_COMPRESS=xz make deb-pkg'. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
| * kbuild: add srcdeb-pkg targetMasahiro Yamada2023-04-231-7/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | This new target builds only the debian source package. Unify the build rules of deb-pkg, srcdeb-pkg, bindeb-pkg to avoid code duplication. --no-check-builddeps is added to srcdeb-pkg so that build dependencies will not be checked. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
* | kbuild: use proper prefix for tarballs to fix rpm-pkg build errorMasahiro Yamada2023-04-231-3/+3
|/ | | | | | | | | | | | | | | | | | | Since commit f8d94c4e403c ("kbuild: do not create intermediate *.tar for source tarballs"), 'make rpm-pkg' fails because the prefix of the source tarball is 'linux.tar/' instead of 'linux/'. $(basename $@) strips only '.gz' from the filename linux.tar.gz. You need to strip two suffixes from compressed tarballs and one suffix from uncompressed tarballs (for example 'perf-6.3.0.tar' generated by 'make perf-tar-src-pkg'). One tricky fix might be --prefix=$(firstword $(subst .tar, ,$@))/ but I think it is better to hard-code the prefix. Fixes: f8d94c4e403c ("kbuild: do not create intermediate *.tar for source tarballs") Reported-by: Jiwei Sun <sunjw10@lenovo.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
* kbuild: do not create intermediate *.tar for tar packagesMasahiro Yamada2023-04-161-17/+9
| | | | | | | | | | | | | | | Commit 05e96e96a315 ("kbuild: use git-archive for source package creation") split the compression as a separate step to factor out the common build rules. With the previous commit, we got back to the situation where source tarballs are compressed on-the-fly. There is no reason to keep the separate compression rules. Generate the comressed tar packages directly. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nathan Chancellor <nathan@kernel.org>
* kbuild: do not create intermediate *.tar for source tarballsMasahiro Yamada2023-04-161-7/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | Since commit 05e96e96a315 ("kbuild: use git-archive for source package creation"), a source tarball is created in two steps; create *.tar file then compress it. I split the compression as a separate rule because I just thought 'git archive' supported only gzip. For other compression algorithms, I could pipe the two commands: $ git archive HEAD | xz > linux.tar.xz I read git-archive(1) carefully, and I realized GIT had provided a more elegant way: $ git -c tar.tar.xz.command=xz archive -o linux.tar.xz HEAD This commit uses 'tar.tar.*.command' configuration to specify the compression backend so we can compress a source tarball on-the-fly. GIT commit 767cf4579f0e ("archive: implement configurable tar filters") is more than a decade old, so it should be available on almost all build environments. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nathan Chancellor <nathan@kernel.org>
* kbuild: merge cmd_archive_linux and cmd_archive_perfMasahiro Yamada2023-04-161-10/+9
| | | | | | | | | The two commands, cmd_archive_linux and cmd_archive_perf, are similar. Merge them to make it easier to add more changes to the git-archive command. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nathan Chancellor <nathan@kernel.org>
* kbuild: give up untracked files for source package buildsMasahiro Yamada2023-04-111-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | When the source tree is dirty and contains untracked files, package builds may fail, for example, when a broken symlink exists, a file path contains whitespaces, etc. Since commit 05e96e96a315 ("kbuild: use git-archive for source package creation"), the source tarball only contains committed files because it is created by 'git archive'. scripts/package/gen-diff-patch tries to address the diff from HEAD, but including untracked files by the hand-crafted script introduces more complexity. I wrote a patch [1] to make it work in most cases, but still wonder if this is what we should aim for. To simplify the code, this patch just gives up untracked files. Going forward, it is your responsibility to do 'git add' for what you want in the source package. The script shows a warning just in case you forgot to do so. It should be checked only when building source packages. [1]: https://lore.kernel.org/all/CAK7LNAShbZ56gSh9PrbLnBDYKnjtTkHMoCXeGrhcxMvqXGq9=g@mail.gmail.com/2-0001-kbuild-make-package-builds-more-robust.patch Fixes: 05e96e96a315 ("kbuild: use git-archive for source package creation") Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
* kbuild: use git-archive for source package creationMasahiro Yamada2023-03-161-78/+68
| | | | | | | | | | | | | | | | | | | | | | | | | | Commit 5c3d1d0abb12 ("kbuild: add a tool to list files ignored by git") added a new tool, scripts/list-gitignored. My intention was to create source packages without cleaning the source tree, without relying on git. Linus strongly objected to it, and suggested using 'git archive' instead. [1] [2] [3] This commit goes in that direction - Remove scripts/list-gitignored.c and rewrites Makefiles and scripts to use 'git archive' for building Debian and RPM source packages. It also makes 'make perf-tar*-src-pkg' use 'git archive' again. Going forward, building source packages is only possible in a git-managed tree. Building binary packages does not require git. [1]: https://lore.kernel.org/lkml/CAHk-=wi49sMaC7vY1yMagk7eqLK=1jHeHQ=yZ_k45P=xBccnmA@mail.gmail.com/ [2]: https://lore.kernel.org/lkml/CAHk-=wh5AixGsLeT0qH2oZHKq0FLUTbyTw4qY921L=PwYgoGVw@mail.gmail.com/ [3]: https://lore.kernel.org/lkml/CAHk-=wgM-W6Fu==EoAVCabxyX8eYBz9kNC88-tm9ExRQwA79UQ@mail.gmail.com/ Fixes: 5c3d1d0abb12 ("kbuild: add a tool to list files ignored by git") Fixes: e0ca16749ac3 ("kbuild: make perf-tar*-src-pkg work without relying on git") Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: rpm-pkg: move source components to rpmbuild/SOURCESMasahiro Yamada2023-03-161-1/+1
| | | | | | | | | Prepare to add more files to the source RPM. Also, fix the build error when KCONFIG_CONFIG is set: error: Bad file: ./.config: No such file or directory Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: tar-pkg: use tar rules in scripts/Makefile.packageMasahiro Yamada2023-02-261-6/+23
| | | | | | | Use %.tar, %.tar.gz, %.tar.bz2, %.tar.xz, %.tar.zst rules in scripts/Makefile.package. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: make perf-tar*-src-pkg work without relying on gitMasahiro Yamada2023-02-261-33/+64
| | | | | | | | | | | Currently, perf-tar*-src-pkg only uses 'git archive', but it is better to make it work without relying on git. The file, HEAD, which saves the commit hash, will be included in the tarball only when the source tree is managed by git. The git tree is more precisely checked; it has been copied from scripts/setlocalversion. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: deb-pkg: switch over to source format 3.0 (quilt)Masahiro Yamada2023-02-261-1/+1
| | | | | | | | | | | | | | | | | | | Change the source format from "1.0" to "3.0 (quilt)" because it works more cleanly. All files except .config and debian/ go into the orig tarball. Add a single patch, debian/patches/config, and delete the ugly extend-diff-ignore patterns. The debian tarball will be compressed into *.debian.tar.xz by default. If you like to use a different compression mode, you can pass the command line option, DPKG_FLAGS=-Zgzip, for example. The orig tarball only supports gzip for now. The combination of gzip and xz is somewhat clumsy, but it is not a practical problem. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
* kbuild: deb-pkg: make .orig tarball a hard link if possibleMasahiro Yamada2023-02-261-1/+5
| | | | | | | | | | | If '..' belongs to the same filesystem, create a hard link instead of a copy. In most cases, you can save disk space. I do not want to use 'mv' because keeping linux.tar.gz is useful to avoid unneeded rebuilding of the tarball. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
* kbuild: deb-pkg: hide KDEB_SOURCENAME from MakefileMasahiro Yamada2023-02-261-8/+15
| | | | | | | | | | | | scripts/Makefile.package does not need to know the value of KDEB_SOURCENAME because the source name can be taken from debian/changelog by using dpkg-parsechangelog. Move the default of KDEB_SOURCENAME (i.e. linux-upstream) to scripts/package/mkdebian. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
* kbuild: srcrpm-pkg: create source package without cleaningMasahiro Yamada2023-02-261-28/+4
| | | | | | | | | | | | | | | | | If you run 'make (src)rpm-pkg', all objects are lost due to 'make clean', which makes the incremental builds impossible. Instead of cleaning, pass the exclude list to tar's --exclude-from option. Previously, the .config was contained in the source tarball. With this commit, the source rpm consists of separate linux.tar.gz and .config. Remove stale comments. Now, 'make (src)rpm-pkg' works with O= option. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: rpm-pkg: build binary packages from source rpmMasahiro Yamada2023-02-261-5/+3
| | | | | | | | | | | | | The build rules of rpm-pkg and srcrpm-pkg are almost the same. Remove the code duplication. Change rpm-pkg to build binary packages from the source package generated by srcrpm-pkg. This changes the output directory of the srpm generated by 'make rpm-pkg' because srcrpm-pkg overrides _srcrpmdir. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: deb-pkg: create source package without cleaningMasahiro Yamada2023-02-261-6/+42
| | | | | | | | | | | | | | | | | | | | If you run 'make deb-pkg', all objects are lost due to 'make clean', which makes the incremental builds impossible. Instead of cleaning, pass the exclude list to tar's --exclude-from option. Previously, *.diff.gz contained some check-in files such as .clang-format, .cocciconfig. With this commit, *.diff.gz will only contain the .config and debian/. The other source files will go into the .orig tarball. linux.tar.gz is rebuilt only when the source files that would go into the tarball are changed. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
* kbuild: deb-pkg: add --source-option=-sPMasahiro Yamada2023-02-051-1/+1
| | | | | | | | | | | | | If the source package fails to build, ../linux.orig is left over. In the next run of 'make deb-pkg', you will get the following error: dpkg-source: error: orig directory 'linux.orig' already exists, not overwriting, giving up; use -sA, -sK or -sP to override You can manually remove ../linux.orig, but it is annoying. Pass -sP down to dpkg-source. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: do not put .scmversion into the source tarballMasahiro Yamada2023-01-301-4/+2
| | | | | | | | | | | | | | .scmversion is used by (src)rpm-pkg and deb-pkg to carry KERNELRELEASE. In fact, deb-pkg does not rely on it any more because the generated debian/rules specifies KERNELRELEASE from the command line. Do likwise for (src)rpm-pkg, and remove this feature. For the same reason, you do not need to save LOCALVERSION in the spec file. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
* kbuild: add a missing line for help messageJun ASAKA2022-12-301-0/+1
| | | | | | | | | The help message line for building the source RPM package was missing. Added it. Signed-off-by: Jun ASAKA <JunASAKA@zzy040330.moe> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* Merge tag 'kbuild-v6.2' of ↵Linus Torvalds2022-12-191-0/+10
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild updates from Masahiro Yamada: - Support zstd-compressed debug info - Allow W=1 builds to detect objects shared among multiple modules - Add srcrpm-pkg target to generate a source RPM package - Make the -s option detection work for future GNU Make versions - Add -Werror to KBUILD_CPPFLAGS when CONFIG_WERROR=y - Allow W=1 builds to detect -Wundef warnings in any preprocessed files - Raise the minimum supported version of binutils to 2.25 - Use $(intcmp ...) to compare integers if GNU Make >= 4.4 is used - Use $(file ...) to read a file if GNU Make >= 4.2 is used - Print error if GNU Make older than 3.82 is used - Allow modpost to detect section mismatches with Clang LTO - Include vmlinuz.efi into kernel tarballs for arm64 CONFIG_EFI_ZBOOT=y * tag 'kbuild-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (29 commits) buildtar: fix tarballs with EFI_ZBOOT enabled modpost: Include '.text.*' in TEXT_SECTIONS padata: Mark padata_work_init() as __ref kbuild: ensure Make >= 3.82 is used kbuild: refactor the prerequisites of the modpost rule kbuild: change module.order to list *.o instead of *.ko kbuild: use .NOTINTERMEDIATE for future GNU Make versions kconfig: refactor Makefile to reduce process forks kbuild: add read-file macro kbuild: do not sort after reading modules.order kbuild: add test-{ge,gt,le,lt} macros Documentation: raise minimum supported version of binutils to 2.25 kbuild: add -Wundef to KBUILD_CPPFLAGS for W=1 builds kbuild: move -Werror from KBUILD_CFLAGS to KBUILD_CPPFLAGS kbuild: Port silent mode detection to future gnu make. init/version.c: remove #include <generated/utsrelease.h> firmware_loader: remove #include <generated/utsrelease.h> modpost: Mark uuid_le type to be suitable only for MEI kbuild: add ability to make source rpm buildable using koji kbuild: warn objects shared among multiple modules ...
| * kbuild: add ability to make source rpm buildable using kojiIvan Vecera2022-11-241-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | Changes: - added new target 'srcrpm-pkg' to generate source rpm - added required build tools to spec file - removed locally compiled host tools to force their re-compile Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: Jonathan Toppins <jtoppins@redhat.com> Acked-by: Íñigo Huguet <ihuguet@redhat.com> Tested-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* | scripts: add rust in scripts/Makefile.packageParan Lee2022-11-241-2/+2
|/ | | | | | | | Add rust argument at TAR_CONTENT in scripts/Makefile.package script with alphabetical order. Signed-off-by: Paran Lee <p4ranlee@gmail.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: hard-code KBUILD_ALLDIRS in scripts/Makefile.packageMasahiro Yamada2022-09-291-1/+4
| | | | | | | | | | | | My future plan is to list subdirectories in ./Kbuild. When it occurs, $(vmlinux-alldirs) will not contain all subdirectories. Let's hard-code the directory list until I get around to implementing a more sophisticated way for generating a source tarball. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Tested-by: Nick Desaulniers <ndesaulniers@google.com> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
* kbuild: rpm-pkg: pass 'linux' to --target option of rpmbuildMasahiro Yamada2022-07-271-2/+2
| | | | | | | Presumably, _target_os is defined even if the --target flag does not specify it, but it is better to make it explicit. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: Add make tarzst-pkg build optionPaweł Jasiak2021-10-121-3/+7
| | | | | | | | Add tarzst-pkg and perf-tarzst-src-pkg targets to build zstd compressed tarballs. Signed-off-by: Paweł Jasiak <pawel@jasiak.dev> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: deb-pkg: change the source package name to linux-upstreamMasahiro Yamada2021-04-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change the source package name from 'linux-$(KERNELRELEASE)' to 'linux-upstream'. Initially, I tried to use 'linux' to be aligned with the Debian kernel package, but Ben suggested 'linux-upstream' so that it is clearly distinguished from distribution packages. [1] The filenames will be changed as follows: [Before] linux-5.12.0-rc3+_5.12.0-rc3+-1.dsc linux-5.12.0-rc3+_5.12.0-rc3+.orig.tar.gz linux-5.12.0-rc3+_5.12.0-rc3+-1.diff.gz [After] linux-upstream_5.12.0-rc3+-1.dsc linux-upstream_5.12.0-rc3+.orig.tar.gz linux-upstream_5.12.0-rc3+-1.diff.gz Commit 3716001bcb7f ("deb-pkg: add source package") introduced KDEB_SOURCENAME. If you are unhappy with the default name, you can override it via KDEB_SOURCENAME. [1]: https://lore.kernel.org/linux-kbuild/06ffa2a690d57f867b4bc1b42f0026917b1dd3cd.camel@decadent.org.uk/T/#m2c4afa0eca5ced5e57795b002f2dbcb05d7a4a44 Suggested-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: fix broken builds because of GZIP,BZIP2,LZOP variablesDenis Efremov2020-06-111-3/+3
| | | | | | | | | | | | | | | 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 Efremov2020-06-061-4/+4
| | | | | | | | | | | | | | | | | | | | 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: Add make dir-pkg build optionMatteo Croce2019-11-111-1/+2
| | | | | | | | | | 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: Wrap long "make help" text linesGeert Uytterhoeven2019-11-111-1/+2
| | | | | | | | Some "make help" text lines extend beyond 80 characters. Wrap them before an opening parenthesis, or before 80 characters. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* kbuild: pkg: rename scripts/package/Makefile to scripts/Makefile.packageMasahiro Yamada2019-08-251-0/+159
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>
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