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bc60c930a4
The script already checks for `$RUSTC` and `$BINDGEN` existing
and exiting without failure. However, one may still pass an
unexpected binary that does not output what the later parsing
expects. The script still successfully reports a failure as
expected, but the error is confusing. For instance:
$ RUSTC=true BINDGEN=bindgen CC=clang scripts/rust_is_available.sh
scripts/rust_is_available.sh: 19: arithmetic expression: expecting primary: "100000 * + 100 * + "
***
*** Please see Documentation/rust/quick-start.rst for details
*** on how to set up the Rust support.
***
Thus add an explicit check and a proper message for unexpected
output from the called command.
Similarly, do so for the `libclang` version parsing, too.
Link: https://lore.kernel.org/rust-for-linux/CAK7LNAQYk6s11MASRHW6oxtkqF00EJVqhHOP=5rynWt-QDUsXw@mail.gmail.com/
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@gmail.com>
Link: https://lore.kernel.org/r/20230616001631.463536-11-ojeda@kernel.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .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.