Re: [Buildroot] Problem: Setting Uboot custom version does not apply defconfig

From: "Yann E. MORIN" <yann.morin.1998@free.fr>
To: Kilian Zinnecker <kilian.zinnecker@mail.de>
Cc: buildroot@buildroot.org
Subject: Re: [Buildroot] Problem: Setting Uboot custom version does not apply defconfig
Date: Sun, 25 Jun 2023 15:02:27 +0200	[thread overview]
Message-ID: <20230625130227.GL24952@scaer> (raw)
In-Reply-To: <5686076.DvuYhMxLoT@kilian-aisec>

Kilian, All,

On 2023-06-25 14:33 +0200, Kilian Zinnecker via buildroot spake thusly:
> I am having issues using the custom uboot version feature: When setting a 
> custom uboot version value and a particular uboot defconfig, buildroot seems to 
> NOT apply the uboot defconfig properly, i.e. there is no .config in the uboot 
> build folder. This is the error I get (further below my settings):
> 
> >>> uboot 2023.07-rc4 Patching
> for p in  ; do if test -d $p ; then PATH=/home/zinnecker/buildroot-test/
> buildroot/output/host/bin:$PATH support/scripts/apply-patches.sh  /home/
> zinnecker/buildroot-test/buildroot/output/build/uboot-2023.07-rc4 $p \*.patch 
> || exit 1 ; els
> e PATH=/home/zinnecker/buildroot-test/buildroot/output/host/bin:$PATH support/
> scripts/apply-patches.sh  /home/zinnecker/buildroot-test/buildroot/output/
> build/uboot-2023.07-rc4 `dirname $p` `basename $p` || exit 1; fi done
>   HOSTCC  scripts/basic/fixdep
>   HOSTCC  scripts/kconfig/conf.o
>   YACC    scripts/kconfig/zconf.tab.c
>   LEX     scripts/kconfig/zconf.lex.c
>   HOSTCC  scripts/kconfig/zconf.tab.o
>   HOSTLD  scripts/kconfig/conf
> scripts/kconfig/conf  --syncconfig Kconfig
> ***
> *** Configuration file ".config" not found!
> ***
> *** Please run some configurator (e.g. "make oldconfig" or
> *** "make menuconfig" or "make xconfig").
> ***
> make[5]: *** [scripts/kconfig/Makefile:75: syncconfig] Error 1
> make[4]: *** [Makefile:576: syncconfig] Error 2
> make[3]: *** No rule to make target 'include/config/auto.conf', needed by 
> 'include/config/uboot.release'.  Stop.
> make[2]: *** [Makefile:558: __build_one_by_one] Error 2
> make[1]: *** [boot/uboot/uboot.mk:553: /home/zinnecker/buildroot-test/
> buildroot/output/build/uboot-2023.07-rc4/.stamp_dotconfig] Error 2
> make: *** [Makefile:82: _all] Error 2
> 
> 
> What I did: I want to use a fairly new uboot ("2023.07-rc4") because it 
> features a defconfig for a particular board ("rock5b-rk3588_defconfig"). I 
> therefore use the following settings in my buildroot board defconfig / .config:
> 
> BR2_TARGET_UBOOT=y
> BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
> BR2_TARGET_UBOOT_CUSTOM_VERSION=y
> BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2023.07-rc4"
> BR2_TARGET_UBOOT_USE_DEFCONFIG=y
> BR2_TARGET_UBOOT_BOARD_DEFCONFIG="rock5b-rk3588"

Looks like it is working as expected here, with this defconfig:

    BR2_aarch64=y
    BR2_cortex_a76_a55=y
    BR2_TOOLCHAIN_EXTERNAL=y
    BR2_TARGET_UBOOT=y
    BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
    BR2_TARGET_UBOOT_CUSTOM_VERSION=y
    BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2023.07-rc4"
    BR2_TARGET_UBOOT_BOARD_DEFCONFIG="rock5b-rk3588"
    BR2_TARGET_UBOOT_NEEDS_PYLIBFDT=y
    BR2_TARGET_UBOOT_NEEDS_OPENSSL=y

Note that the build fails much later, because it can't find
rockchip-tpl.bin; see tools/binman/missing-blob-help for some hint on
how to fix that.

Regards,
Yann E. MORIN.

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