Re: [Buildroot] [PATCH 7/7] configs/arcturus_ucp1020: specify Linux license file

From: Thomas Perale via buildroot <buildroot@buildroot.org>
To: Romain Naour <romain.naour@smile.fr>
Cc: Thomas Perale <thomas.perale@mind.be>, buildroot@buildroot.org
Subject: Re: [Buildroot] [PATCH 7/7] configs/arcturus_ucp1020: specify Linux license file
Date: Fri, 12 Jun 2026 13:37:13 +0200	[thread overview]
Message-ID: <20260612113713.251665-1-thomas.perale@mind.be> (raw)
In-Reply-To: <20260606225120.409046-7-romain.naour@smile.fr>

In reply of:
> The used Linux kernel (4.4.144) does not contain the default license
> files as those were only added in 4.16 with commit e00a844aca
> ("LICENSES: Add Linux syscall note exception"), so specify the correct
> license file to fix:
> 
> make legal-info
> ..
> cp: cannot stat '/path/to/output/build/linux-headers-custom/LICENSES/preferred/GPL-2.0': No such file or directory
> 
> And add the sha256sum to the .hash file.
> Enable BR2_DOWNLOAD_FORCE_CHECK_HASHES.
> 
> Fixes:
> https://gitlab.com/buildroot.org/buildroot/-/jobs/14728913808 (arcturus_ucp1020_defconfig)
> 
> Signed-off-by: Romain Naour <romain.naour@smile.fr>
> Cc: Michael Durrant <mdurrant@ArcturusNetworks.com>

Applied to 2026.02.x. Thanks

> ---
> Note: This defconfig still use a vendor 4.4.144 kernel
> (linux-v20190618.tar.gz), a vendor 2019.07-rc4 uboot
> (uboot-v20190618.tar.gz) and a gcc based toolchain since
> the support for ppc SPE has been removed from gcc.
> How long should we keep this defconfig?
> See commits:
> 531b2a10cda6bae78ecc141c9fe48f2024f71dbc (2021)
> 96e80ad214ced86c802d561946fa7da88c1595eb (2020)
> ---
>  .../ppc-ucp1020/patches/linux-headers/linux-headers.hash       | 1 +
>  board/arcturus/ppc-ucp1020/patches/linux/linux.hash            | 2 ++
>  board/arcturus/ppc-ucp1020/patches/uboot/uboot.hash            | 2 ++
>  configs/arcturus_ucp1020_defconfig                             | 3 +++
>  4 files changed, 8 insertions(+)
>  create mode 120000 board/arcturus/ppc-ucp1020/patches/linux-headers/linux-headers.hash
>  create mode 100644 board/arcturus/ppc-ucp1020/patches/linux/linux.hash
>  create mode 100644 board/arcturus/ppc-ucp1020/patches/uboot/uboot.hash
> 
> diff --git a/board/arcturus/ppc-ucp1020/patches/linux-headers/linux-headers.hash b/board/arcturus/ppc-ucp1020/patches/linux-headers/linux-headers.hash
> new file mode 120000
> index 0000000000..5808d92afe
> --- /dev/null
> +++ b/board/arcturus/ppc-ucp1020/patches/linux-headers/linux-headers.hash
> @@ -0,0 +1 @@
> +../linux/linux.hash
> \ No newline at end of file
> diff --git a/board/arcturus/ppc-ucp1020/patches/linux/linux.hash b/board/arcturus/ppc-ucp1020/patches/linux/linux.hash
> new file mode 100644
> index 0000000000..eafb86d8cb
> --- /dev/null
> +++ b/board/arcturus/ppc-ucp1020/patches/linux/linux.hash
> @@ -0,0 +1,2 @@
> +# Locally calculated
> +sha256  5ad0192e5cd10eca5f9fabb3234f2bfcbafba3382a9577139cc66be629e5bafa  linux-v20190618.tar.gz
> diff --git a/board/arcturus/ppc-ucp1020/patches/uboot/uboot.hash b/board/arcturus/ppc-ucp1020/patches/uboot/uboot.hash
> new file mode 100644
> index 0000000000..eb9744043c
> --- /dev/null
> +++ b/board/arcturus/ppc-ucp1020/patches/uboot/uboot.hash
> @@ -0,0 +1,2 @@
> +# Locally calculated
> +sha256  eba8aaf634affec7c27a55b899c404a85a0c219c3f814d576793e3c21b711b05  uboot-v20190618.tar.gz
> diff --git a/configs/arcturus_ucp1020_defconfig b/configs/arcturus_ucp1020_defconfig
> index 8e489f7f19..c0423032bc 100644
> --- a/configs/arcturus_ucp1020_defconfig
> +++ b/configs/arcturus_ucp1020_defconfig
> @@ -1,6 +1,8 @@
>  BR2_powerpc=y
>  BR2_powerpc_8548=y
>  BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_4=y
> +BR2_GLOBAL_PATCH_DIR="board/arcturus/ppc-ucp1020/patches"
> +BR2_DOWNLOAD_FORCE_CHECK_HASHES=y
>  BR2_TARGET_GENERIC_HOSTNAME="UCP1020"
>  BR2_TARGET_GENERIC_ISSUE="Welcome to Arcturus uCP1020 System on Module"
>  BR2_TARGET_GENERIC_GETTY_PORT="ttyS0"
> @@ -8,6 +10,7 @@ BR2_SYSTEM_DHCP="eth0"
>  BR2_LINUX_KERNEL=y
>  BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
>  BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="$(call github,ArcturusNetworks,uCP1020-kernel,v20190618)/linux-v20190618.tar.gz"
> +BR2_LINUX_KERNEL_LICENSE_FILES="COPYING"
>  BR2_LINUX_KERNEL_DEFCONFIG="ucp1020"
>  BR2_LINUX_KERNEL_DTS_SUPPORT=y
>  BR2_LINUX_KERNEL_INTREE_DTS_NAME="ucp1020"
> -- 
> 2.54.0
> 
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