2021-09-10 12:47:46 -04:00
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set(CMAKE_SYSTEM_NAME Generic)
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set(CMAKE_C_COMPILER clang)
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set(CMAKE_CXX_COMPILER clang++)
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set(CMAKE_ASM_COMPILER clang)
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set(CMAKE_AR xtensa-esp32-elf-ar)
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set(CMAKE_RANLIB xtensa-esp32-elf-gcc-ranlib)
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set(CMAKE_OBJDUMP xtensa-esp32-elf-objdump)
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# -freestanding is a hack to force Clang to use its own stdatomic.h,
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# without falling back to the (incompatible) GCC stdatomic.h
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# https://github.com/espressif/llvm-project/blob/d9341b81/clang/lib/Headers/stdatomic.h#L13-L18
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2021-09-29 06:46:35 -04:00
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list(APPEND c_compile_options "--target=xtensa" "-mcpu=esp32s2" "-ffreestanding")
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list(APPEND cxx_compile_options "--target=xtensa" "-mcpu=esp32s2" "-ffreestanding")
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list(APPEND asm_compile_options "--target=xtensa" "-mcpu=esp32s2")
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