linux-kernel - Re: Question about ARM FASTFPE

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Message-ID: <20190710102617.nhbsm4lpby3mtfc6@shell.armlinux.org.uk>
Date:   Wed, 10 Jul 2019 11:26:17 +0100
From:   Russell King - ARM Linux admin <linux@...linux.org.uk>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     Olof Johansson <olof@...om.net>, Arnd Bergmann <arnd@...db.de>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Question about ARM FASTFPE

On Wed, Jul 10, 2019 at 11:02:06AM +0100, Russell King - ARM Linux admin wrote:
> On Wed, Jul 10, 2019 at 06:54:06PM +0900, Masahiro Yamada wrote:
> > On Wed, Jul 10, 2019 at 5:23 PM Russell King - ARM Linux admin
> > <linux@...linux.org.uk> wrote:
> > > On Wed, Jul 10, 2019 at 01:30:24PM +0900, Masahiro Yamada wrote:
> > > > $(wildcard ...) checks if this directory exists in the *objtree*,
> > > > while scripts/Makefile.build needs to include
> > > > arch/arm/fastfpe/Makefile from *srctree*.
> > > >
> > > > I think the correct code should be like follows:
> > > >
> > > > # Do we have FASTFPE?
> > > > FASTFPE :=arch/arm/fastfpe
> > > > ifneq ($(wildcard $(srctree)/$(FASTFPE)),)
> > > > FASTFPE_OBJ :=$(FASTFPE)/
> > > > endif

That does indeed work for split object builds.
 
-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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