if(${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU" AND
(${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS "9"
OR (CMAKE_SIZE_OF_VOID_P EQUAL 4 OR
(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "arm")))) # TODO: implict definition of A_PLATFORM
endif()


if((((${CMAKE_CXX_COMPILER_ID}) STREQUAL "GNU" AND
${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS "9")
OR CMAKE_SIZE_OF_VOID_P EQUAL 4) OR
${CMAKE_SYSTEM_PROCESSOR} STREQUAL "arm") # TODO: implict definition of A_PLATFORM
endif()

if(${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU" AND
(${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS "9" OR CMAKE_SIZE_OF_VOID_P EQUAL 4) OR
${CMAKE_SYSTEM_PROCESSOR} STREQUAL "arm")
endif()