jetson orin build failure

[malv-c]

% cmake . -DRWKV_CUBLAS=ON
-- GGML CUDA sources found, configuring CUDA architecture
-- Configuring done (2.4s)
CMake Error at CMakeLists.txt:250 (add_library):
Cannot find source file:

/tmp/rwkv.cpp/ggml/src/ggml.c

Tried extensions .c .C .c++ .cc .cpp .cxx .cu .mpp .m .M .mm .ixx .cppm .h
.hh .h++ .hm .hpp .hxx .in .txx .f .F .for .f77 .f90 .f95 .f03 .hip .ispc

CMake Error at CMakeLists.txt:250 (add_library):
No SOURCES given to target: ggml

CMake Generate step failed. Build files cannot be regenerated correctly.

[LoganDark]

clone the repository recursively, it contains submodules