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INCLUDE(CMakeForceCompiler)
# TOOLCHAIN EXTENSION
IF(WIN32)
SET(TOOLCHAIN_EXT ".exe")
ELSE()
SET(TOOLCHAIN_EXT "")
ENDIF()
# EXECUTABLE EXTENSION
SET (CMAKE_EXECUTABLE_SUFFIX ".elf")
# CMAKE_BUILD_TYPE
IF(NOT CMAKE_BUILD_TYPE MATCHES Debug)
SET (CMAKE_BUILD_TYPE Release)
ENDIF()
# TOOLCHAIN_DIR AND NANO LIBRARY
SET(TOOLCHAIN_DIR $ENV{ARMGCC_DIR})
STRING(REGEX REPLACE "\\\\" "/" TOOLCHAIN_DIR "${TOOLCHAIN_DIR}")
IF(NOT TOOLCHAIN_DIR)
MESSAGE(FATAL_ERROR "***Please set ARMGCC_DIR in envionment variables***")
ENDIF()
MESSAGE(STATUS "TOOLCHAIN_DIR: " ${TOOLCHAIN_DIR})
# TARGET_TRIPLET
SET(TARGET_TRIPLET "arm-none-eabi")
SET(TOOLCHAIN_BIN_DIR ${TOOLCHAIN_DIR}/bin)
SET(TOOLCHAIN_INC_DIR ${TOOLCHAIN_DIR}/${TARGET_TRIPLET}/include)
SET(TOOLCHAIN_LIB_DIR ${TOOLCHAIN_DIR}/${TARGET_TRIPLET}/lib)
SET(CMAKE_SYSTEM_NAME Generic)
SET(CMAKE_SYSTEM_PROCESSOR arm)
CMAKE_FORCE_C_COMPILER(${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-gcc${TOOLCHAIN_EXT} GNU)
CMAKE_FORCE_CXX_COMPILER(${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-g++${TOOLCHAIN_EXT} GNU)
SET(CMAKE_ASM_COMPILER ${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-gcc${TOOLCHAIN_EXT})
SET(CMAKE_OBJCOPY ${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-objcopy CACHE INTERNAL "objcopy tool")
SET(CMAKE_OBJDUMP ${TOOLCHAIN_BIN_DIR}/${TARGET_TRIPLET}-objdump CACHE INTERNAL "objdump tool")
SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -O0 -g" CACHE INTERNAL "c compiler flags debug")
SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -O0 -g" CACHE INTERNAL "cxx compiler flags debug")
SET(CMAKE_ASM_FLAGS_DEBUG "${CMAKE_ASM_FLAGS_DEBUG} -g" CACHE INTERNAL "asm compiler flags debug")
SET(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG}" CACHE INTERNAL "linker flags debug")
SET(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O3 " CACHE INTERNAL "c compiler flags release")
SET(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3 " CACHE INTERNAL "cxx compiler flags release")
SET(CMAKE_ASM_FLAGS_RELEASE "${CMAKE_ASM_FLAGS_RELEASE}" CACHE INTERNAL "asm compiler flags release")
SET(CMAKE_EXE_LINKER_FLAGS_RELESE "${CMAKE_EXE_LINKER_FLAGS_RELESE}" CACHE INTERNAL "linker flags release")
SET(CMAKE_FIND_ROOT_PATH ${TOOLCHAIN_DIR}/${TARGET_TRIPLET} ${EXTRA_FIND_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)
IF(CMAKE_BUILD_TYPE MATCHES Release)
SET(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/release)
SET(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/release)
ELSEIF(CMAKE_BUILD_TYPE MATCHES Debug)
SET(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/debug)
SET(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/debug)
ENDIF()
MESSAGE(STATUS "BUILD_TYPE: " ${CMAKE_BUILD_TYPE})
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