SET(CMAKE_SYSTEM_NAME Linux) SET(CMAKE_SYSTEM_VERSION 1) SET(CROSSROOT $ENV{HOME}/crosscompile) SET(DEVROOT ${CROSSROOT}/hummingboard) SET(CUBIXROOT ${DEVROOT}/rootfs) SET(CUBIXCROSS_DIR ${DEVROOT}/tools) SET(TOOLROOT ${CUBIXCROSS_DIR}/gcc-linaro-arm-linux-gnueabihf-4.8-2013.10_linux/ ) # specify the cross compiler SET(CMAKE_C_COMPILER ${TOOLROOT}/bin/arm-linux-gnueabihf-gcc) SET(CMAKE_CXX_COMPILER ${TOOLROOT}/bin/arm-linux-gnueabihf-g++) SET(CUBIX_FLAGS "-march=armv7-a -mcpu=cortex-a9 -mtune=cortex-a9 -mfpu=vfpv3 -mfloat-abi=hard") SET(CPACK_DEBIAN_PACKAGE_ARCHITECTURE "armhf" ) SET(CMAKE_SYSROOT ${CUBIXROOT}) SET(CMAKE_FIND_ROOT_PATH ${CUBIXROOT}) # search for programs in the build host directories SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) # for libraries and headers in the target directories SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) #SET(CMAKE_FIND_ROOT_PATH_MODE_PACKAGES ONLY) #SET Flags for linking as dynamic linker config file is not being properly parsed by the toolchain # see https://solderspot.wordpress.com/2016/02/04/cross-compiling-for-raspberry-pi-part-ii/ SET(FLAGS "${CUBIX_FLAGS} -Wl,-rpath-link,${CUBIXROOT}/opt/vc/lib -Wl,-rpath-link,${CUBIXROOT}/lib/arm-linux-gnueabihf -Wl,-rpath-link,${CUBIXROOT}/usr/lib/arm-linux-gnueabihf -Wl,-rpath-link,${CUBIXROOT}/usr/local/lib") UNSET(CMAKE_C_FLAGS CACHE) UNSET(CMAKE_CXX_FLAGS CACHE) SET(CMAKE_CXX_FLAGS ${FLAGS} CACHE STRING "" FORCE) SET(CMAKE_C_FLAGS ${FLAGS} CACHE STRING "" FORCE) link_directories(${CUBIXROOT}/lib/arm-linux-gnueabihf)