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From:   Michael Ellerman <mpe@ellerman.id.au>
To:     Masahiro Yamada <masahiroy@kernel.org>
Cc:     Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>
Subject: install is no longer PHONY?
Date:   Mon, 10 Feb 2020 16:14:58 +1100
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Hi Masahiro,

I noticed that "install" seems to be no longer PHONY, or at least if I
have a file/directory called install then the build doesn't run.

eg:
  $ touch install
  $ make install
  make: 'install' is up to date.
  $ rm install
  $ make install
    LDS     arch/powerpc/boot/zImage.lds
    WRAP    arch/powerpc/boot/zImage.pseries
    WRAP    arch/powerpc/boot/zImage.epapr

In the past the presence of an install file/directory didn't have any
affect.

It seems this changed in:
  d79424137a73 ("kbuild: do not update config when running install targets")

Was that expected?

cheers