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1d351f1894
It causes build failures with unusual CC/HOSTCC combinations. Quoting https://lkml.kernel.org/r/A222B1E6-69B8-4085-AD1B-27BDB72CA971@goldelico.com: HOSTCC scripts/mod/modpost.o - due to target missing In file included from include/linux/string.h:5, from scripts/mod/../../include/linux/license.h:5, from scripts/mod/modpost.c:24: include/linux/compiler.h:246:10: fatal error: asm/rwonce.h: No such file or directory 246 | #include <asm/rwonce.h> | ^~~~~~~~~~~~~~ compilation terminated. ... The problem is that HOSTCC is not necessarily the same compiler or even architecture as CC and pulling in <linux/compiler.h> or <asm/rwonce.h> files indirectly isn't a good idea then. My toolchain is providing HOSTCC = gcc (MacPorts) and CC = arm-linux-gnueabihf (built from gcc source) and all running on Darwin. If I change the include to <string.h> I can then "HOSTCC scripts/mod/modpost.c" but then it fails for "CC kernel/module/main.c" not finding <string.h>: CC kernel/module/main.o - due to target missing In file included from kernel/module/main.c:43:0: ./include/linux/license.h:5:20: fatal error: string.h: No such file or directory #include <string.h> ^ compilation terminated. Reported-by: "H. Nikolaus Schaller" <hns@goldelico.com> Cc: Sam James <sam@gentoo.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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| arch | ||
| block | ||
| 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.