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build: add support ESP32-S3 in Clang build configuration

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This commit is contained in:
Anton Maklakov 2022-06-29 15:13:07 +07:00
parent 6b0c756ebf
commit 55dda77b98
1 changed files with 32 additions and 0 deletions
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32
tools/cmake/toolchain-clang-esp32s3.cmake Normal file
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@ -0,0 +1,32 @@
include($ENV{IDF_PATH}/tools/cmake/utilities.cmake)
set(CMAKE_SYSTEM_NAME Generic)
set(CMAKE_C_COMPILER clang)
set(CMAKE_CXX_COMPILER clang++)
set(CMAKE_ASM_COMPILER clang)
set(CMAKE_AR xtensa-esp32-elf-ar)
set(CMAKE_RANLIB xtensa-esp32-elf-gcc-ranlib)
set(CMAKE_OBJDUMP xtensa-esp32-elf-objdump)
# -freestanding is a hack to force Clang to use its own stdatomic.h,
# without falling back to the (incompatible) GCC stdatomic.h
# https://github.com/espressif/llvm-project/blob/d9341b81/clang/lib/Headers/stdatomic.h#L13-L18
remove_duplicated_flags("--target=xtensa -mcpu=esp32s3 -ffreestanding ${CMAKE_C_FLAGS}"
UNIQ_CMAKE_C_FLAGS)
set(CMAKE_C_FLAGS "${UNIQ_CMAKE_C_FLAGS}"
CACHE STRING "C Compiler Base Flags"
FORCE)
remove_duplicated_flags("--target=xtensa -mcpu=esp32s3 -ffreestanding ${CMAKE_CXX_FLAGS}"
UNIQ_CMAKE_CXX_FLAGS)
set(CMAKE_CXX_FLAGS "${UNIQ_CMAKE_CXX_FLAGS}"
CACHE STRING "C++ Compiler Base Flags"
FORCE)
remove_duplicated_flags("--target=xtensa -mcpu=esp32s3 ${CMAKE_ASM_FLAGS}"
UNIQ_CMAKE_ASM_FLAGS)
set(CMAKE_ASM_FLAGS "${UNIQ_CMAKE_ASM_FLAGS}"
CACHE STRING "Assembler Base Flags"
FORCE)