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kbuild: redo fake deps at include/config/*.h

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Make include/config/foo/bar.h fake deps files generation simpler.

* delete .h suffix
	those aren't header files, shorten filenames,

* delete tolower()
	Linux filesystems can deal with both upper and lowercase
	filenames very well,

* put everything in 1 directory
	Presumably 'mkdir -p' split is from dark times when filesystems
	handled huge directories badly, disks were round adding to
	seek times.

	x86_64 allmodconfig lists 12364 files in include/config.

	../obj/include/config/
	├── 104_QUAD_8
	├── 60XX_WDT
	├── 64BIT
		...
	├── ZSWAP_DEFAULT_ON
	├── ZSWAP_ZPOOL_DEFAULT
	└── ZSWAP_ZPOOL_DEFAULT_ZBUD

	0 directories, 12364 files

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Alexey Dobriyan 2021-04-15 20:36:07 +03:00 • committed by Masahiro Yamada
parent e3456056f1
commit 0e0345b77a
6 changed files with 16 additions and 52 deletions
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2
include/linux/compiler-version.h
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@ -9,6 +9,6 @@
* This header exists to force full rebuild when the compiler is upgraded.
*
* When fixdep scans this, it will find this string "CONFIG_CC_VERSION_TEXT"
* and add dependency on include/config/cc/version/text.h, which is touched
* and add dependency on include/config/CC_VERSION_TEXT, which is touched
* by Kconfig when the version string from the compiler changes.
*/