toolchain.cmake

set(CMAKE_SYSTEM_NAME Generic)
set(CMAKE_SYSTEM_PROCESSOR arm)

# set(CMAKE_SYSROOT /home/devel/rasp-pi-rootfs)
# set(CMAKE_STAGING_PREFIX /home/devel/stage)

set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)

set(tiva_compiler_flags "-mcpu=cortex-m4 -march=armv7e-m -mthumb -mfloat-abi=hard  -mfpu=fpv4-sp-d16 -DTARGET_IS_TM4C123_RB1 -DPART_TM4C123GH6PM -Og -ffunction-sections -fdata-sections -g -gdwarf-3 -gstrict-dwarf -Wall -MD --specs=nosys.specs -fno-exceptions ")
set(CMAKE_CXX_FLAGS "${tiva_compiler_flags} -std=c++17 -fno-rtti -Wno-comment" )
set(CMAKE_C_FLAGS "${tiva_compiler_flags} -Wno-comment")

set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -DPART_TM4C123GH6PM -Og -ffunction-sections -fdata-sections -g -gdwarf-3 -gstrict-dwarf -Wall -march=armv7e-m -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-d16 -T ${CMAKE_CURRENT_SOURCE_DIR}/tm4c123gh6pm.lds --entry ResetISR "
 )

find_program(CMAKE_C_COMPILER arm-none-eabi-gcc)
find_program(CMAKE_CXX_COMPILER arm-none-eabi-g++)

set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)

set(BUILD_SHARED_LIBS OFF)