tree ef761c0ab1e841c7d05596058e91498f1dabb117
parent 2b8481be3cc3b8dfb2704f4d33668d930474fac8
author Masahiro Yamada <yamada.masahiro@socionext.com> 1559643241 +0900
committer Masahiro Yamada <yamada.masahiro@socionext.com> 1560596222 +0900

kbuild: build all prerequisites of headers_install simultaneously

Currently, scripts/unifdef is compiled after scripts_basic,
uapi-asm-generic, archheaders, and archscripts.

The proper dependency is just scripts_basic. There is no problem
to compile scripts/unifdef and other headers at the same time.

Split scripts_unifdef out in order to allow more parallel building.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>