From mboxrd@z Thu Jan  1 00:00:00 1970
From: Markus Pargmann <mpa@pengutronix.de>
Subject: Re: [PATCH 2/4] tools: gpio: Add necessary include paths
Date: Wed, 24 Feb 2016 07:39:33 +0100
Message-ID: <1663266.QvtJ23oI59@adelgunde>
References: <1456214089-13954-1-git-send-email-mpa@pengutronix.de> <1456214089-13954-2-git-send-email-mpa@pengutronix.de> <CACRpkdYxDeKDLN8bsA0q3F_q-WiSDd1JTEsw8YYwUXSecMmsoA@mail.gmail.com>
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To: Linus Walleij <linus.walleij@linaro.org>
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On Tuesday, February 23, 2016 02:26:09 PM Linus Walleij wrote:
> On Tue, Feb 23, 2016 at 8:54 AM, Markus Pargmann <mpa@pengutronix.de>=
 wrote:
>=20
> > Add include paths to the Makefile so that linux/gpio.h can be found=
 even
> > on systems without this header.
> >
> > Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
> (...)
> > -CFLAGS +=3D -Wall -g -D_GNU_SOURCE
> > +CFLAGS +=3D -Wall -g -D_GNU_SOURCE -I ../include -I ../../include/=
uapi
>=20
> This is probably not how userspace compilation is supposed
> to work. The way I understand it, userspace programs from tools/*
> should be compiled like this:
>=20
> make headers_install ARCH=3Dfoo INSTALL_HDR_PATH=3D<bar>
> cd tools/gpio
> make CFLAGS=3D"$CFLAGS -I<bar>"
>=20
> The reason being that UAPI files can differ after install depending
> on arch.

I see, thanks for explaining.

Best Regards,

Markus

=2D-=20
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