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arm-gcc-toolchain.cmake
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arm-gcc-toolchain.cmake
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set(CMAKE_SYSTEM_NAME Generic)
set(CMAKE_SYSTEM_PROCESSOR ARM)
if(MINGW OR CYGWIN OR WIN32)
set(UTIL_SEARCH_CMD where)
elseif(UNIX OR APPLE)
set(UTIL_SEARCH_CMD which)
endif()
set(TOOLCHAIN_PREFIX arm-none-eabi-)
execute_process(
COMMAND ${UTIL_SEARCH_CMD} ${TOOLCHAIN_PREFIX}gcc
OUTPUT_VARIABLE BINUTILS_PATH
OUTPUT_STRIP_TRAILING_WHITESPACE
)
get_filename_component(ARM_TOOLCHAIN_DIR ${BINUTILS_PATH} DIRECTORY)
# Without that flag CMake is not able to pass test compilation check
if (${CMAKE_VERSION} VERSION_EQUAL "3.6.0" OR ${CMAKE_VERSION} VERSION_GREATER "3.6")
set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
else()
set(CMAKE_EXE_LINKER_FLAGS_INIT "-Wl,-E")
endif()
set(CMAKE_C_FLAGS " -DLUA_32BITS -std=c99 -march=armv7-a+neon-vfpv4 -D AARCH=32 -D __circle__ -D BAREMETAL --specs=nosys.specs -O3 -mabi=aapcs -marm -mfloat-abi=hard -mfpu=neon-vfpv4 -D__DYNAMIC_REENT__")
set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}gcc)
set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}g++)
set(CMAKE_OBJCOPY ${ARM_TOOLCHAIN_DIR}/${TOOLCHAIN_PREFIX}objcopy CACHE INTERNAL "objcopy tool")
set(CMAKE_SIZE_UTIL ${ARM_TOOLCHAIN_DIR}/${TOOLCHAIN_PREFIX}size CACHE INTERNAL "size tool")
set(CMAKE_SYSROOT ${ARM_TOOLCHAIN_DIR}/../arm-none-eabi)
set(CMAKE_FIND_ROOT_PATH ${BINUTILS_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)