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SubjectRe: [RFC PATCH 3/3] kbuild: generate *.tab.c and *.tab.h during build
On Sat, Aug 19, 2017 at 3:49 AM, Masahiro Yamada
<yamada.masahiro@socionext.com> wrote:
> *.tab.[ch] files are artifacts generated from *.y by using bison.
> Instead of running bison, we conventionally version-control
> *.tab.[ch]_shipped files and copy them to *.tab.[ch] during build.
>
> It is true that this approach can minimize external tool dependency,
> but we need to update the shipped files from time to time. This
> commit switches to build-time generation of the intermediate C files.

When do we need to update them?

>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
> ---
>
> Documentation/process/changes.rst | 12 +
> scripts/Makefile.lib | 14 +-
> scripts/dtc/Makefile | 9 +-
> scripts/dtc/dtc-parser.tab.c_shipped | 2303 -------------------------------
> scripts/dtc/dtc-parser.tab.h_shipped | 125 --

The script to import dtc normally creates these. If you change this,
please make sure the script still works.

> scripts/genksyms/Makefile | 5 +-
> scripts/genksyms/parse.tab.c_shipped | 2394 --------------------------------
> scripts/genksyms/parse.tab.h_shipped | 119 --
> scripts/kconfig/Makefile | 2 +-
> scripts/kconfig/zconf.tab.c_shipped | 2471 ----------------------------------
> 10 files changed, 24 insertions(+), 7430 deletions(-)
> delete mode 100644 scripts/dtc/dtc-parser.tab.c_shipped
> delete mode 100644 scripts/dtc/dtc-parser.tab.h_shipped
> delete mode 100644 scripts/genksyms/parse.tab.c_shipped
> delete mode 100644 scripts/genksyms/parse.tab.h_shipped
> delete mode 100644 scripts/kconfig/zconf.tab.c_shipped
>

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