winebuild Building arm64ec failed

[longwu]

When using clang to compile the wine9.11 arm64ec option, an error message appears as follows, indicating that winebuild currently does not support the option "- b arm64ec windows"

tools/winebuild/winebuild -w --implib -o dlls/ucrtbase/arm64ec-windows/libucrtbase.a -b arm64ec-windows --export dlls/ucrtbase/ucrtbase.spec \
dlls/ucrtbase/arm64ec-windows/crt_gccmain.o dlls/ucrtbase/arm64ec-windows/crt_main.o \
dlls/ucrtbase/arm64ec-windows/crt_winmain.o dlls/ucrtbase/arm64ec-windows/crt_wmain.o \
dlls/ucrtbase/arm64ec-windows/crt_wwinmain.o dlls/ucrtbase/arm64ec-windows/mathf.o \
dlls/ucrtbase/arm64ec-windows/printf.o dlls/ucrtbase/arm64ec-windows/sincos.o
unknown target
winebuild: /usr/lib/llvm-18/bin/llvm-dlltool failed with status 1

[Kreitinn]

I have tried to compile too, but got the same error