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2020-03-25.gitignore: add SPDX License IdentifierMasahiro Yamada
Add SPDX License Identifier to all .gitignore files. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-16initramfs: refactor the initramfs build rulesMasahiro Yamada
Currently, usr/gen_initramfs.sh takes care of all the use-cases: [1] generates a cpio file unless CONFIG_INITRAMFS_SOURCE points to a single cpio archive [2] If CONFIG_INITRAMFS_SOURCE is the path to a cpio archive, use it as-is. [3] Compress the cpio file according to CONFIG_INITRAMFS_COMPRESSION_* unless it is passed a compressed archive. To simplify the script, move [2] and [3] to usr/Makefile. If CONFIG_INITRAMFS_SOURCE is the path to a cpio archive, there is no need to run this shell script. For the cpio archive compression, you can re-use the rules from scripts/Makefile.lib . Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2019-07-08kbuild: compile-test exported headers to ensure they are self-containedMasahiro Yamada
Multiple people have suggested compile-testing UAPI headers to ensure they can be really included from user-space. "make headers_check" is obviously not enough to catch bugs, and we often leak unresolved references to user-space. Use the new header-test-y syntax to implement it. Please note exported headers are compile-tested with a completely different set of compiler flags. The header search path is set to $(objtree)/usr/include since exported headers should not include unexported ones. We use -std=gnu89 for the kernel space since the kernel code highly depends on GNU extensions. On the other hand, UAPI headers should be written in more standardized C, so they are compiled with -std=c90. This will emit errors if C++ style comments, the keyword 'inline', etc. are used. Please use C style comments (/* ... */), '__inline__', etc. in UAPI headers. There is additional compiler requirement to enable this test because many of UAPI headers include <stdlib.h>, <sys/ioctl.h>, <sys/time.h>, etc. directly or indirectly. You cannot use kernel.org pre-built toolchains [1] since they lack <stdlib.h>. I reused CONFIG_CC_CAN_LINK to check the system header availability. The intention is slightly different, but a compiler that can link userspace programs provide system headers. For now, a lot of headers need to be excluded because they cannot be compiled standalone, but this is a good start point. [1] https://mirrors.edge.kernel.org/pub/tools/crosstool/index.html Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
2009-09-20gitignore usr/initramfs_data.cpio.bz2 and usr/initramfs_data.cpio.lzmaJaswinder Singh Rajput
usr/initramfs_data.cpio.bz2 and usr/initramfs_data.cpio.lzma are binary files should be ignored Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2007-07-16.gitignore updateAlexey Dobriyan
headers_install by default puts headers into usr/include/ . They're auto-generated, so should be ignored. Same for *.orig, *.rej . Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2005-10-18Add some basic .gitignore filesLinus Torvalds
This still leaves driver and architecture-specific subdirectories alone, but gets rid of the bulk of the "generic" generated files that we should ignore. Signed-off-by: Linus Torvalds <torvalds@osdl.org>