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17 lines
773 B
CMake
17 lines
773 B
CMake
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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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set(CMAKE_C_FLAGS "--target=xtensa -mcpu=esp32s2 -ffreestanding" CACHE STRING "C Compiler Base Flags")
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set(CMAKE_CXX_FLAGS "--target=xtensa -mcpu=esp32s2 -ffreestanding" CACHE STRING "C++ Compiler Base Flags")
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set(CMAKE_ASM_FLAGS "--target=xtensa -mcpu=esp32s2" CACHE STRING "Assembler Base Flags")
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