arm_toolchain.cmake

set(CMAKE_SYSTEM_NAME Generic)
set(CMAKE_SYSTEM_PROCESSOR ARM)

set(TOOLCHAIN_PREFIX arm-none-eabi-)
set(TOOLCHAIN_PATH /home/fabien/.local/bin/gcc-arm-none-eabi-10.3-2021.10/bin/)

# execute_process(
#     COMMAND which ${TOOLCHAIN_PATH}/${TOOLCHAIN_PREFIX}gcc
#   OUTPUT_VARIABLE BINUTILS_PATH
#   OUTPUT_STRIP_TRAILING_WHITESPACE
# )
# get_filename_component(ARM_TOOLCHAIN_DIR ${BINUTILS_PATH} DIRECTORY)

message(STATUS "toolchain path ${TOOLCHAIN_PATH}")
message(STATUS "compiler path ${TOOLCHAIN_PATH}/${TOOLCHAIN_PREFIX}gcc")

set(CMAKE_C_COMPILER "${TOOLCHAIN_PATH}/${TOOLCHAIN_PREFIX}gcc")
set(CMAKE_ASM_COMPILER "${CMAKE_C_COMPILER}")
set(CMAKE_CXX_COMPILER "${TOOLCHAIN_PATH}/${TOOLCHAIN_PREFIX}g++")

set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)

# set(CMAKE_OBJCOPY ${TOOLCHAIN_PATH}/${TOOLCHAIN_PREFIX}objcopy CACHE INTERNAL "objcopy tool")
# set(CMAKE_SIZE_UTIL ${TOOLCHAIN_PATH}/${TOOLCHAIN_PREFIX}size CACHE INTERNAL "size tool")

set(CMAKE_FIND_ROOT_PATH ${TOOLCHAIN_PATH}/../)
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)