Issue #636 has been updated by Ahmet Ozkesek.
Update-1:
I managed to make clang instead of crossgcc-i386.
- In case of a backup plan-b I got coreboot-sdk container. -
Made nconfig, then only changed u-boot as payload other then
defaults. Now I got error you can see below. I am digging
from here now, if I missed some elf-tools.
Some help still much appreciated.
MAKE U-Boot v2025.07
objcopy: lib/efi_loader/helloworld_efi.so: file format not recognized
make[5]: *** [scripts/Makefile.lib:494: lib/efi_loader/helloworld.efi] Error 1
make[4]: ***
[/home/aozkesek/fw/coreboot/payloads/external/U-Boot/u-boot/scripts/Makefile.build:398:
lib/efi_loader] Error 2
make[3]: ***
[/home/aozkesek/fw/coreboot/payloads/external/U-Boot/u-boot/Makefile:1919: lib]
Error 2
make[2]: *** [Makefile:177: sub-make] Error 2
make[1]: *** [Makefile:49: build] Error 2
make: *** [payloads/external/Makefile.mk:341:
payloads/external/U-Boot/build/u-boot.bin] Error 2
----------------------------------------
Support #636: Building GCC v14.2.0 for target ... failed. Check
'build-i386-elf-GCC/build.log'.
https://ticket.coreboot.org/issues/636#change-2248
* Author: Ahmet Ozkesek
* Status: New
* Priority: Low
* Category: build system
* Target version: none
* Start date: 2026-03-22
----------------------------------------
Hi all,
Thank you for coreboot, first of all.
I am looking for building coreboot with u-boot payload.
I started from scratch as documented on my Fedora 44 beta system.
I hit the error below, -please scroll-down for it- and hoping that
someone already either fixed or done a workaround for this making
crossgcc-i386.
I somewhat did workaround for -V command-line argument error for
gnatgcc and g++, and got version info out there, but no lock for
this `error: no matching function for call to 'S2C(const char8_t [2])` .
I attached config&build log from util/crossgcc/build-i386-elf-GCC.
Welcome to the coreboot cross toolchain builder v2026-01-30_235bb1e617
Building toolchain using 10 thread(s).
Target architecture is i386-elf
Found compatible Ada compiler, enabling Ada support by default.
Downloading and verifying tarballs ...
* gmp-6.3.0.tar.xz (cached)... hash verified
(b4043dd2964ab1a858109da85c44de224384f352)
* mpfr-4.2.2.tar.xz (cached)... hash verified
(a63a264b273a652e27518443640e69567da498ce)
* mpc-1.3.1.tar.gz (cached)... hash verified
(bac1c1fa79f5602df1e29e4684e103ad55714e02)
* binutils-2.45.tar.xz (cached)... hash verified
(09fd8a50a95be4a94412fe3847d16280996679c5)
* gcc-14.2.0.tar.xz (cached)... hash verified
(d91ecc3d20ce6298bd95f9b09cc51dc6d3c73ae3)
Downloaded tarballs ... ok
Unpacking and patching ...
* gmp-6.3.0.tar.xz
o gmp-6.3.0_fix-c23-prototypes.patch
o gmp-6.3.0_generic-build.patch
* mpfr-4.2.2.tar.xz
* mpc-1.3.1.tar.gz
* binutils-2.45.tar.xz
o binutils-2.45_as-ipxe.patch
o binutils-2.45_no-makeinfo.patch
* gcc-14.2.0.tar.xz
o gcc-14.2.0_asan_shadow_offset_callback.patch
o gcc-14.2.0_gnat.patch
o gcc-14.2.0_libcpp.patch
o gcc-14.2.0_libgcc.patch
o gcc-14.2.0_musl_poisoned_calloc.patch
o gcc-14.2.0_rv32iafc.patch
Unpacked and patched ... ok
Building packages ...
Building GMP v6.3.0 for host ... ok
Building MPFR v4.2.2 for host ... ok
Building MPC v1.3.1 for host ... ok
Building BINUTILS v2.45 for target ... ok
Building GCC v14.2.0 for target ... failed. Check
'build-i386-elf-GCC/build.log'.
make[2]: *** [Makefile:20: build_gcc] Error 1
make[1]: *** [Makefile:36: build-i386] Error 2
make: *** [util/crossgcc/Makefile.mk:32: crossgcc-i386] Error 2
---Files--------------------------------
config.log (39.2 KB)
build.log (284 KB)
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