47 lines
1.7 KiB
CMake
47 lines
1.7 KiB
CMake
# Guard against multiple inclusion
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if(_RT_KERNEL_CMAKE_)
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return()
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endif()
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set(_RT_KERNEL_CMAKE_ TRUE)
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cmake_minimum_required (VERSION 3.1.2)
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# Get environment variables
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set(RTK $ENV{RTK} CACHE STRING
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"Location of rt-kernel tree")
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# Avoid warning when re-running cmake
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set(DUMMY ${CMAKE_TOOLCHAIN_FILE})
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include_directories(
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${RTK}/include/
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${RTK}/include/arch/${ARCH}
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${RTK}/include/kern
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${RTK}/include/drivers
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${RTK}/bsp/${BSP}/include
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${SOES_SOURCE_DIR}/soes/include/sys/gcc
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)
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link_directories(
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${RTK}/lib/${ARCH}/${CPU}
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)
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# No support for shared libs
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set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS FALSE)
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set(CMAKE_STATIC_LIBRARY_PREFIX "lib")
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set(CMAKE_STATIC_LIBRARY_SUFFIX ".a")
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set(CMAKE_EXECUTABLE_SUFFIX ".elf")
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# Common compile flags
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add_compile_options(-Wall -Wextra -Wno-unused-parameter -Werror -fomit-frame-pointer -fno-strict-aliasing)
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# Add machine flags to C_FLAGS so they take effect for linking also
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MACHINE_FLAGS}" CACHE STRING "" FORCE)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${MACHINE_FLAGS}" CACHE STRING "" FORCE)
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# Default libs
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set(RTK_LIBS "-l${BSP} -l${ARCH} -lkern -ldev -lsio -lblock -lfs -lusb -llwip -lptpd -leth -li2c -lrtc -lcan -lnand -lspi -lnor -lpwm -ladc -ltrace -lcounter -lc -lm")
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set(CMAKE_CXX_LINK_EXECUTABLE "<CMAKE_CXX_COMPILER> <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> -nostartfiles -T${RTK}/bsp/${BSP}/${BSP}.ld -Wl,--start-group <LINK_LIBRARIES> ${RTK_LIBS} -Wl,--end-group")
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set(CMAKE_C_LINK_EXECUTABLE "<CMAKE_C_COMPILER> <FLAGS> <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> -nostartfiles -T${RTK}/bsp/${BSP}/${BSP}.ld -Wl,--start-group <LINK_LIBRARIES> ${RTK_LIBS} -Wl,--end-group")
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