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annotate Resources/CMake/LinuxStandardBaseToolchain.cmake @ 138:a1ad6282f2f7

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lsb
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 11 Apr 2018 16:05:16 +0200
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138
Sebastien Jodogne <s.jodogne@gmail.com>
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1 # LSB_CC=gcc-4.8 LSB_CXX=g++-4.8 cmake .. -DCMAKE_BUILD_TYPE=Debug -DCMAKE_TOOLCHAIN_FILE=../Resources/LinuxStandardBaseToolchain.cmake -DUSE_LEGACY_JSONCPP=ON
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2
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3 INCLUDE(CMakeForceCompiler)
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4
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5 SET(LSB_PATH $ENV{LSB_PATH})
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6 SET(LSB_CC $ENV{LSB_CC})
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7 SET(LSB_CXX $ENV{LSB_CXX})
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8 SET(LSB_TARGET_VERSION "4.0")
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9
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10 IF ("${LSB_PATH}" STREQUAL "")
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11 SET(LSB_PATH "/opt/lsb")
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12 ENDIF()
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13
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14 IF (EXISTS ${LSB_PATH}/lib64)
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15 SET(LSB_TARGET_PROCESSOR "x86_64")
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16 SET(LSB_LIBPATH ${LSB_PATH}/lib64-${LSB_TARGET_VERSION})
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17 ELSEIF (EXISTS ${LSB_PATH}/lib)
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18 SET(LSB_TARGET_PROCESSOR "x86")
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19 SET(LSB_LIBPATH ${LSB_PATH}/lib-${LSB_TARGET_VERSION})
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20 ELSE()
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21 MESSAGE(FATAL_ERROR "Unable to detect the target processor architecture. Check the LSB_PATH environment variable.")
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22 ENDIF()
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23
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24 SET(LSB_CPPPATH ${LSB_PATH}/include)
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25 SET(PKG_CONFIG_PATH ${LSB_LIBPATH}/pkgconfig/)
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26
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27 # the name of the target operating system
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28 SET(CMAKE_SYSTEM_NAME Linux)
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29 SET(CMAKE_SYSTEM_VERSION LinuxStandardBase)
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30 SET(CMAKE_SYSTEM_PROCESSOR ${LSB_TARGET_PROCESSOR})
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31
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32 # which compilers to use for C and C++
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33 SET(CMAKE_C_COMPILER ${LSB_PATH}/bin/lsbcc)
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34 CMAKE_FORCE_CXX_COMPILER(${LSB_PATH}/bin/lsbc++ GNU)
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35
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36 # here is the target environment located
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37 SET(CMAKE_FIND_ROOT_PATH ${LSB_PATH})
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38
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39 # adjust the default behaviour of the FIND_XXX() commands:
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40 # search headers and libraries in the target environment, search
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41 # programs in the host environment
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42 SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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43 SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY NEVER)
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44 SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE NEVER)
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45
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46 SET(CMAKE_CROSSCOMPILING OFF)
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47
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48
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49 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --lsb-target-version=${LSB_TARGET_VERSION} -I${LSB_PATH}/include" CACHE INTERNAL "" FORCE)
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50 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --lsb-target-version=${LSB_TARGET_VERSION} -nostdinc++ -I${LSB_PATH}/include -I${LSB_PATH}/include/c++ -I${LSB_PATH}/include/c++/backward" CACHE INTERNAL "" FORCE)
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51 SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} --lsb-target-version=${LSB_TARGET_VERSION} -L${LSB_LIBPATH} --lsb-besteffort" CACHE INTERNAL "" FORCE)
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52 SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --lsb-target-version=${LSB_TARGET_VERSION} -L${LSB_LIBPATH} --lsb-besteffort" CACHE INTERNAL "" FORCE)
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53
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54 if (NOT "${LSB_CXX}" STREQUAL "")
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55 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --lsb-cxx=${LSB_CXX}")
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56 SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} --lsb-cxx=${LSB_CXX}")
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57 SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --lsb-cxx=${LSB_CXX}")
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58 endif()
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59
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60 if (NOT "${LSB_CC}" STREQUAL "")
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61 SET(CMAKE_C_FLAGS "${CMAKE_CC_FLAGS} --lsb-cc=${LSB_CC}")
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62 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --lsb-cc=${LSB_CC}")
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63 SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} --lsb-cc=${LSB_CC}")
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64 SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --lsb-cc=${LSB_CC}")
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65 endif()
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66