12     set(triple armv8m.main-none-eabi)  variable
15     set(triple armv8m.base-none-eabi)  variable
19     set(triple armv7m-none-eabi)  variable
23     set(triple armv6m-none-eabi)  variable
26     set(triple arm-none-eabi)  variable
29   set(triple aarch64-none-elf)  variable
32     set(triple x86_64-pc-none-elf)  variable
34     set(triple i686-pc-none-elf)  variable
38     set(triple riscv64-unknown-elf)  variable
40     set(triple riscv32-unknown-elf)  variable
44 if(DEFINED triple)
45   set(CMAKE_C_COMPILER_TARGET   ${triple})
46   set(CMAKE_ASM_COMPILER_TARGET ${triple})
47   set(CMAKE_CXX_COMPILER_TARGET ${triple})
49   unset(triple)