From: Thomas Petazzoni via buildroot <buildroot@buildroot.org>
To: Neal Frager via buildroot <buildroot@buildroot.org>
Cc: Neal Frager <neal.frager@amd.com>,
ibai.erkiaga-elorza@amd.com, luca.ceresoli@bootlin.com,
yann.morin@orange.com, brandon.maier@collins.com, ju.o@free.fr,
romain.naour@smile.fr, michal.simek@amd.com,
romain.naour@gmail.com
Subject: Re: [Buildroot] [PATCH v2 1/1] boot/arm-trusted-firmware: override BL31 environment variable error
Date: Fri, 2 Jan 2026 18:27:20 +0100 [thread overview]
Message-ID: <20260102182720.6f74d47e@windsurf> (raw)
In-Reply-To: <20250905122603.2521801-1-neal.frager@amd.com>
On Fri, 5 Sep 2025 13:26:03 +0100
Neal Frager via buildroot <buildroot@buildroot.org> wrote:
> When building the arm-trusted-firmware, if the host environment has a value
> configured in the BL31 variable such as the following:
>
> export BL31=/tmp/bl31.elf
>
> This will cause the build of the bl31.elf to be skipped leading to the
> following build error:
>
> make[1]: Nothing to be done for 'bl31'.
> And then:
> readelf: Error: './output/build/arm-trusted-firmware-custom/build/versal/release/bl31/bl31.elf': No such file
>
> To fix this, clear the BL31 variable in the MAKE_OPTS, so that building the
> arm-trusted-firmware will build regardless of the host environment.
>
> Signed-off-by: Neal Frager <neal.frager@amd.com>
> ---
> V1->V2:
> - correct file path in commit subject
> ---
> boot/arm-trusted-firmware/arm-trusted-firmware.mk | 1 +
> 1 file changed, 1 insertion(+)
I am also not sure whether this was the best approach or not, but let's
say it's good enough for now. Applied to master, thanks!
Thomas
--
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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next prev parent reply other threads:[~2026-01-02 17:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-05 12:26 [Buildroot] [PATCH v2 1/1] boot/arm-trusted-firmware: override BL31 environment variable error Neal Frager via buildroot
2025-09-10 8:11 ` Luca Ceresoli via buildroot
2025-09-10 9:44 ` Frager, Neal via buildroot
2026-01-02 17:27 ` Thomas Petazzoni via buildroot [this message]
2026-01-13 19:45 ` Arnout Vandecappelle via buildroot
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