set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR ppc64)
set(CMAKE_SYSTEM_VERSION 1)

set(CMAKE_C_COMPILER clang)
set(CMAKE_C_COMPILER_TARGET powerpc64-linux-gnu)
set(CMAKE_CXX_COMPILER clang++)
set(CMAKE_CXX_COMPILER_TARGET powerpc64-linux-gnu)

set(CMAKE_CROSSCOMPILING TRUE)
set(CMAKE_CROSSCOMPILING_EMULATOR qemu-ppc64 -cpu power9 -L /usr/${CMAKE_C_COMPILER_TARGET}/)

set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)