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linux-stable/Documentation/kbuild
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Masahiro Yamada 8c4d9b145b kbuild: doc: replace arch/$(ARCH)/ with arch/$(SRCARCH)/ 
Precisely speaking, the arch directory is specified by $(SRCARCH),
not $(ARCH).

In old days, $(ARCH) actually matched to the arch directory because
32-bit and 64-bit were supported as separate architectures.

Most architectures (except arm/arm64) were unified like follows:

    arch/i386, arch/x86_64    ->  arch/x86
    arch/sh, arch/sh64        ->  arch/sh
    arch/sparc, arch/sparc64  ->  arch/sparc

To not break the user interface, commit 6752ed90da ("Kbuild: allow
arch/xxx to use a different source path") introduced SRCARCH to point
to the arch directory, still allowing to pass in the former ARCH=i386
or ARCH=x86_64.

Update the documents for preciseness, and add the explanation of SRCARCH.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
2020-12-21 13:56:58 +09:00
..
gcc-plugins.rst docs: move gcc-plugins to the kbuild manual 2020-03-10 11:20:46 -06:00
headers_install.rst Kbuild updates for v5.3 2019-07-12 16:03:16 -07:00
index.rst Kbuild updates for v5.7 2020-03-31 16:03:39 -07:00
issues.rst docs: kbuild: fix build with pdf and fix some minor issues 2019-07-15 11:03:04 -03:00
kbuild.rst kbuild: support LLVM=1 to switch the default tools to Clang/LLVM 2020-04-09 03:18:21 +09:00
kconfig-language.rst Kbuild updates for v5.9 2020-08-09 14:10:26 -07:00
kconfig-macro-language.rst kbuild: doc: fix references to other documents 2020-03-13 10:02:27 +09:00
Kconfig.recursion-issue-01 kbuild: document recursive dependency limitation / resolution 2015-10-08 15:36:16 +02:00
Kconfig.recursion-issue-02 kbuild: Replace HTTP links with HTTPS ones 2020-08-10 01:32:59 +09:00
kconfig.rst kbuild: create modules.builtin without Makefile.modbuiltin or tristate.conf 2020-01-07 02:18:39 +09:00
Kconfig.select-break kbuild: document recursive dependency limitation / resolution 2015-10-08 15:36:16 +02:00
llvm.rst kbuild: remove unused OBJSIZE 2020-11-02 11:31:00 +09:00
makefiles.rst kbuild: doc: replace arch/$(ARCH)/ with arch/$(SRCARCH)/ 2020-12-21 13:56:58 +09:00
modules.rst kbuild: doc: replace arch/$(ARCH)/ with arch/$(SRCARCH)/ 2020-12-21 13:56:58 +09:00
reproducible-builds.rst gcc-plugins: fix gcc-plugins directory path in documentation 2020-06-28 12:16:55 +09:00