Ulrich Mohr
c0e896b371
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113 lines
3.4 KiB
CMake
113 lines
3.4 KiB
CMake
if(DEFINED ENV{ZYNQ_7020_SYSROOT})
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set(ENV{ZYNQ_7020_ROOTFS} $ENV{ZYNQ_7020_SYSROOT})
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endif()
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# CROSS_COMPILE also needs to be set accordingly or passed to the CMake command
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if(NOT DEFINED ENV{ZYNQ_7020_ROOTFS})
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# Sysroot has not been cached yet and was not set in environment either
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if(NOT DEFINED SYSROOT_PATH)
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message(FATAL_ERROR
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"Define the ZYNQ_7020_ROOTFS variable to point to the Zynq-7020 rootfs."
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)
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endif()
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else()
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set(SYSROOT_PATH "$ENV{ZYNQ_7020_ROOTFS}" CACHE PATH "Zynq-7020 root filesystem path")
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endif()
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if(NOT DEFINED ENV{CROSS_COMPILE})
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set(CROSS_COMPILE "")
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message(STATUS
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"No CROSS_COMPILE environmental variable set, using default ARM linux "
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"cross compiler name ${CROSS_COMPILE}"
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)
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else()
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set(CROSS_COMPILE "$ENV{CROSS_COMPILE}")
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message(STATUS
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"Using environmental variable CROSS_COMPILE as cross-compiler: "
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"$ENV{CROSS_COMPILE}"
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)
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endif()
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message(STATUS "Using sysroot path: ${SYSROOT_PATH}")
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set(CROSS_COMPILE_CC "${CROSS_COMPILE}gcc")
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set(CROSS_COMPILE_CXX "${CROSS_COMPILE}g++")
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set(CROSS_COMPILE_LD "${CROSS_COMPILE}ld")
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set(CROSS_COMPILE_AR "${CROSS_COMPILE}ar")
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set(CROSS_COMPILE_RANLIB "${CROSS_COMPILE}ranlib")
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set(CROSS_COMPILE_STRIP "${CROSS_COMPILE}strip")
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set(CROSS_COMPILE_NM "${CROSS_COMPILE}nm")
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set(CROSS_COMPILE_OBJCOPY "${CROSS_COMPILE}objcopy")
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set(CROSS_COMPILE_SIZE "${CROSS_COMPILE}size")
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# At the very least, cross compile gcc and g++ have to be set!
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find_program (CMAKE_C_COMPILER ${CROSS_COMPILE_CC} REQUIRED)
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find_program (CMAKE_CXX_COMPILER ${CROSS_COMPILE_CXX} REQUIRED)
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# Useful utilities, not strictly necessary
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find_program(CMAKE_SIZE ${CROSS_COMPILE_SIZE})
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find_program(CMAKE_OBJCOPY ${CROSS_COMPILE_OBJCOPY})
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find_program(CMAKE_STRIP ${CROSS_COMPILE_STRIP})
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#set(CMAKE_CROSSCOMPILING TRUE)
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#set(CMAKE_SYSROOT "${SYSROOT_PATH}")
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# Define name of the target system
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set(CMAKE_SYSTEM_NAME "Linux")
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#set(CMAKE_SYSTEM_PROCESSOR "armv7")
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# Define the compiler
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set(CMAKE_C_COMPILER ${CROSS_COMPILE_CC})
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set(CMAKE_CXX_COMPILER ${CROSS_COMPILE_CXX})
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if(EIVE_SYSROOT_MAGIC)
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# List of library dirs where LD has to look. Pass them directly through gcc.
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set(LIB_DIRS
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"${SYSROOT_PATH}/usr/include"
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"${SYSROOT_PATH}/usr/include/linux"
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"${SYSROOT_PATH}/usr/lib"
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"${SYSROOT_PATH}/lib"
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"${SYSROOT_PATH}"
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"${SYSROOT_PATH}/usr/lib/arm-xiphos-linux-gnueabi"
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)
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# You can additionally check the linker paths if you add the
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# flags ' -Xlinker --verbose'
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set(COMMON_FLAGS "-I${SYSROOT_PATH}/usr/lib")
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foreach(LIB ${LIB_DIRS})
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set(COMMON_FLAGS "${COMMON_FLAGS} -L${LIB} -Wl,-rpath-link,${LIB}")
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endforeach()
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endif()
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#set(CMAKE_PREFIX_PATH
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# "${CMAKE_PREFIX_PATH}"
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# # "${SYSROOT_PATH}/usr/lib/${CROSS_COMPILE}"
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#)
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set(C_FLAGS
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# -mcpu=cortex-a9
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# -mfpu=neon-vfpv3
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# -mfloat-abi=hard
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${COMMON_FLAGS}
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-lgpiod
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)
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if (TGT_BSP MATCHES "arm/q7s")
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# set(C_FLAGS ${C_FLAGS} -lxiphos)
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endif()
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string (REPLACE ";" " " C_FLAGS "${C_FLAGS}")
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set(CMAKE_C_FLAGS
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${C_FLAGS}
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CACHE STRING "C flags for Zynq-7020"
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)
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set(CMAKE_CXX_FLAGS
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"${CMAKE_C_FLAGS}"
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CACHE STRING "CPP flags for Zynq-7020"
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)
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# search for programs in the build host directories
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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# for libraries and headers in the target directories
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
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