set(CMAKE_SYSTEM_NAME Linux) set(CMAKE_SYSTEM_PROCESSOR arm) set(CMAKE_SYSTEM_VERSION 1) message(STATUS "Using cross-compile toolchain: ${CMAKE_C_COMPILER_TARGET}") set(CMAKE_CROSSCOMPILING TRUE) set(CMAKE_CROSSCOMPILING_EMULATOR qemu-arm -L /usr/${CMAKE_C_COMPILER_TARGET}/) 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) find_program(C_COMPILER_FULL_PATH ${CMAKE_C_COMPILER_TARGET}-gcc) if(NOT C_COMPILER_FULL_PATH) message(FATAL_ERROR "Cross-compiler ${CMAKE_C_COMPILER_TARGET}-gcc not found") endif() set(CMAKE_C_COMPILER ${C_COMPILER_FULL_PATH}) find_program(CXX_COMPILER_FULL_PATH ${CMAKE_C_COMPILER_TARGET}-g++) if(CXX_COMPILER_FULL_PATH) set(CMAKE_CXX_COMPILER ${CXX_COMPILER_FULL_PATH}) endif()