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From: Peter Foley <pefoley2@pefoley.com>
Date: Sun, 14 Sep 2014 11:57:51 -0400
Message-ID: <CAOFdcFP0gRDX66ius=VAN8xZZUeX9f93C7YwL52TrsJegTyy1g@mail.gmail.com>
Subject: Re: [PATCH 1/3] kbuild: Make targets names tree-wide unique on x86
To: Kirill Tkhai <tkhai@yandex.ru>
Cc: Michal Marek <mmarek@suse.cz>, arnd@arndb.de, linux-kbuild@vger.kernel.org,
        gregkh@linuxfoundation.org, LKML <linux-kernel@vger.kernel.org>,
        oleg@redhat.com, grant.likely@secretlab.ca, ebiederm@xmission.com,
        Andrew Morton <akpm@linux-foundation.org>, ktkhai@parallels.com,
        Sam Ravnborg <sam@ravnborg.org>
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On Sun, Sep 14, 2014 at 6:18 AM, Kirill Tkhai <tkhai@yandex.ru> wrote:
> diff --git a/init/Makefile b/init/Makefile
> index 7bc47ee..566a9ff 100644
> --- a/init/Makefile
> +++ b/init/Makefile
> @@ -2,23 +2,28 @@
>  # Makefile for the linux kernel.
>  #
>
> -obj-y                          := main.o version.o mounts.o
> +obj-y                          := main.o version.o do_mounts.o
> +
>  ifneq ($(CONFIG_BLK_DEV_INITRD),y)
>  obj-y                          += noinitramfs.o
>  else
> -obj-$(CONFIG_BLK_DEV_INITRD)   += initramfs.o
> +obj-y                          += initramfs.o do_mounts_initrd.o
> +endif
> +
> +ifeq ($(CONFIG_BLK_DEV_RAM),y)
> +obj-y                          += do_mounts_rd.o
>  endif
> +
> +ifeq ($(CONFIG_BLK_DEV_MD),y)
> +obj-y                          += do_mounts_md.o
> +endif
> +
>  obj-$(CONFIG_GENERIC_CALIBRATE_DELAY) += calibrate.o
>
>  ifneq ($(CONFIG_ARCH_INIT_TASK),y)
>  obj-y                          += init_task.o
>  endif
>
> -mounts-y                       := do_mounts.o
> -mounts-$(CONFIG_BLK_DEV_RAM)   += do_mounts_rd.o
> -mounts-$(CONFIG_BLK_DEV_INITRD)        += do_mounts_initrd.o
> -mounts-$(CONFIG_BLK_DEV_MD)    += do_mounts_md.o
> -

Can't you keep the obj-$(CONFIG_*) syntax?
e.g.
obj-$(CONFIG_BLK_DEV_RAM) += do_mounts_rd.o