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74 lines
2.0 KiB
74 lines
2.0 KiB
# defines: |
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# |
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# NM |
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# OBJCOPY |
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# LD |
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# CXX_COMPILER |
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# C_COMPILER |
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# CMAKE_SYSTEM_NAME |
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# CMAKE_SYSTEM_VERSION |
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# LINKER_FLAGS |
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# CMAKE_EXE_LINKER_FLAGS |
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# CMAKE_FIND_ROOT_PATH |
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# CMAKE_FIND_ROOT_PATH_MODE_PROGRAM |
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# CMAKE_FIND_ROOT_PATH_MODE_LIBRARY |
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# CMAKE_FIND_ROOT_PATH_MODE_INCLUDE |
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include(CMakeForceCompiler) |
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# this one is important |
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set(CMAKE_SYSTEM_NAME Generic) |
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#this one not so much |
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set(CMAKE_SYSTEM_VERSION 1) |
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# specify the cross compiler |
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find_program(C_COMPILER arm-linux-gnueabihf-gcc) |
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if(NOT C_COMPILER) |
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message(STATUS "Make sure to: apt-get install arm-linux-gnueabihf-gcc") |
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message(FATAL_ERROR "could not find arm-linux-gnueabihf-gcc compiler") |
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endif() |
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cmake_force_c_compiler(${C_COMPILER} GNU) |
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find_program(CXX_COMPILER arm-linux-gnueabihf-g++) |
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if(NOT CXX_COMPILER) |
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message(FATAL_ERROR "could not find arm-linux-gnueabihf-g++ compiler") |
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endif() |
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cmake_force_cxx_compiler(${CXX_COMPILER} GNU) |
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# compiler tools |
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foreach(tool objcopy nm ld) |
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string(TOUPPER ${tool} TOOL) |
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find_program(${TOOL} arm-linux-gnueabihf-${tool}) |
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if(NOT ${TOOL}) |
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message(FATAL_ERROR "could not find arm-linux-gnueabihf-${tool}") |
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endif() |
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endforeach() |
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# os tools |
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foreach(tool echo grep rm mkdir nm cp touch make unzip) |
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string(TOUPPER ${tool} TOOL) |
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find_program(${TOOL} ${tool}) |
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if(NOT ${TOOL}) |
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message(FATAL_ERROR "could not find ${TOOL}") |
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endif() |
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endforeach() |
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set(LINKER_FLAGS "-Wl,-gc-sections") |
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set(CMAKE_EXE_LINKER_FLAGS ${LINKER_FLAGS}) |
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set(CMAKE_C_FLAGS ${C_FLAGS}) |
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set(CMAKE_CXX_LINKER_FLAGS ${C_FLAGS} -mfloat-abi=hard -mcpu=cortex-a9 -mfpu=neon-vfpv3 -O3 -funsafe-math-optimizations -mthumb-interwork -ftree-vectorize) |
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# where is the target environment |
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set(CMAKE_FIND_ROOT_PATH get_file_component(${C_COMPILER} PATH)) |
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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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# enable static linking |
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#set(LDFLAGS "--disable-shared")
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