Error trying to build U540 Hifive firmware

[htafr]

Build environment: Linux-6.8.8-300.fc40.x86_64-x86_64-with-glibc2.39
Build start time: 16:35:03, May.07 2024

WORKSPACE        = /home/hta/Git/riscv/tianocore
PACKAGES_PATH    = /home/hta/Git/riscv/tianocore/edk2:/home/hta/Git/riscv/tianocore/edk2-platforms
EDK_TOOLS_PATH   = /home/hta/Git/riscv/tianocore/edk2/BaseTools
CONF_PATH        = /home/hta/Git/riscv/tianocore/edk2/Conf
PYTHON_COMMAND   = python3


Processing meta-data
.Architecture(s)  = RISCV64
Build target     = DEBUG
Toolchain        = GCC5

Active Platform          = /home/hta/Git/riscv/tianocore/edk2-platforms/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.dsc
... done!

.
.
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Building ... /home/hta/Git/riscv/tianocore/edk2-platforms/Platform/RISC-V/PlatformPkg/Library/OpensbiPlatformLib/OpensbiPlatformLib.inf [RISCV64]
In file included from /home/hta/Git/riscv/tianocore/Build/FreedomU540HiFiveUnleashed/DEBUG_GCC5/RISCV64/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/DeviceTree/U540DeviceTree/DEBUG/AutoGen.h:16,
                 from <command-line>:
/home/hta/Git/riscv/tianocore/edk2/MdePkg/Include/Base.h:63:23: error: missing binary operator before token "("
   63 |     #if __has_builtin (__builtin_unreachable)
      |                       ^
make: Nothing to be done for 'tbuild'.
make: *** [GNUmakefile:294: /home/hta/Git/riscv/tianocore/Build/FreedomU540HiFiveUnleashed/DEBUG_GCC5/RISCV64/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/DeviceTree/U540DeviceTree/OUTPUT/hifive-unleashed-a00.dtb] Error 1


build.py...
 : error 7000: Failed to execute command
        make tbuild [/home/hta/Git/riscv/tianocore/Build/FreedomU540HiFiveUnleashed/DEBUG_GCC5/RISCV64/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/DeviceTree/U540DeviceTree]


build.py...
 : error F002: Failed to build module
        /home/hta/Git/riscv/tianocore/edk2-platforms/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/DeviceTree/U540DeviceTree.inf [RISCV64, GCC5, DEBUG]

- Failed -
Build end time: 16:35:08, May.07 2024
Build total time: 00:00:04

My local variables for EDK2:

GCC5_RISCV64_PREFIX=/opt/riscv/bin/riscv64-unknown-linux-gnu-
PACKAGES_PATH=/home/hta/Git/riscv/tianocore/edk2:/home/hta/Git/riscv/tianocore/edk2-platforms
EDK_TOOLS_PATH=/home/hta/Git/riscv/tianocore/edk2/BaseTools
PYTHON_COMMAND=python3
PYTHONHASHSEED=1
WORKSPACE=/home/hta/Git/riscv/tianocore
CONF_PATH=/home/hta/Git/riscv/tianocore/edk2/Conf

I've searched for similar problems and saw some answers about the reason being the compiler version. I've already tried with 3 different versions (13.2.0, 12.3.0 and 13.2.1-1). Does anyone know how to fix this?