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4b970e4365
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> |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
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| rust | ||
| samples | ||
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| security | ||
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| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.