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From:   Rolf Eike Beer <eb@emlix.com>
To:     Masahiro Yamada <masahiroy@kernel.org>,
        Michal Marek <michal.lkml@markovi.net>,
        linux-kbuild@vger.kernel.org,
        open list <linux-kernel@vger.kernel.org>,
        Daniel =?ISO-8859-1?Q?D=EDaz?= <daniel.diaz@linaro.org>
Cc:     stable@vger.kernel.org, Naresh Kamboju <naresh.kamboju@linaro.org>
Subject: Re: [PATCH] scripts: Fix linking extract-cert against libcrypto
Date:   Fri, 12 Feb 2021 08:44:46 +0100
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In-Reply-To: <3314666.Em9qtOGRgX@mobilepool36.emlix.com>
References: <20210209050047.1958473-1-daniel.diaz@linaro.org> <6065587.C4oOSP4HzL@mobilepool36.emlix.com> <3314666.Em9qtOGRgX@mobilepool36.emlix.com>
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From: Rolf Eike Beer <eb@emlix.com>
To: Masahiro Yamada <masahiroy@kernel.org>, Michal Marek <michal.lkml@markovi.net>, linux-kbuild@vger.kernel.org, open list <linux-kernel@vger.kernel.org>, Daniel =?ISO-8859-1?Q?D=EDaz?= <daniel.diaz@linaro.org>
Cc: stable@vger.kernel.org, Naresh Kamboju <naresh.kamboju@linaro.org>
Subject: Re: [PATCH] scripts: Fix linking extract-cert against libcrypto
Date: Fri, 12 Feb 2021 08:44:46 +0100
Message-ID: <5043253.pljLzkpU8D@mobilepool36.emlix.com>
In-Reply-To: <3314666.Em9qtOGRgX@mobilepool36.emlix.com>
References: <20210209050047.1958473-1-daniel.diaz@linaro.org> <6065587.C4oOSP4HzL@mobilepool36.emlix.com> <3314666.Em9qtOGRgX@mobilepool36.emlix.com>

Am Donnerstag, 11. Februar 2021, 11:29:33 CET schrieb Rolf Eike Beer:

> I'm just guessing, but your build error looks like you are also
> cross-building the tools, which is wrong. You want them to be host-tools.
> So don't export PKG_CONFIG_SYSROOT_DIR, it would then try to link target
> libraries into a host binary.

I have looked again how I do it:

# this is for additional _host_ .pc files
export PKG_CONFIG_PATH=3D${prefix}/lib/pkgconfig

Then have a target-pkg-config, so this code inside several kernel Makefiles=
=20
will work:

PKG_CONFIG ?=3D $(CROSS_COMPILE)pkg-config

And then export your PKG_CONFIG_SYSROOT_DIR and the like inside that. I bet=
=20
you have all of this already in place, so just remove the SYSROOT_DIR from=
=20
your kernel build script and things should work.

Eike
=2D-=20
Rolf Eike Beer, emlix GmbH, http://www.emlix.com
=46on +49 551 30664-0, Fax +49 551 30664-11
Gothaer Platz 3, 37083 G=C3=B6ttingen, Germany
Sitz der Gesellschaft: G=C3=B6ttingen, Amtsgericht G=C3=B6ttingen HR B 3160
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