2010-01-21 15:12:50 +00:00
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#-------------------------------------------------------------------------------
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# detectOperatingSystem
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#-------------------------------------------------------------------------------
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# This function detects on which OS cmake is run and set a flag to control the
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# build process. Supported OS: Linux, MacOSX, Windows
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2013-01-02 13:34:38 +00:00
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#
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# On linux, it also set a flag for specific distribution (ie Fedora)
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2010-01-21 15:12:50 +00:00
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#-------------------------------------------------------------------------------
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function(detectOperatingSystem)
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2013-01-02 13:34:38 +00:00
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# nothing detected yet
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set(MacOSX FALSE PARENT_SCOPE)
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set(Windows FALSE PARENT_SCOPE)
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set(Linux FALSE PARENT_SCOPE)
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set(Fedora FALSE PARENT_SCOPE)
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2010-01-21 15:12:50 +00:00
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2013-01-02 13:34:38 +00:00
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# check if we are on Linux
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if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
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set(Linux TRUE PARENT_SCOPE)
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2010-01-21 15:12:50 +00:00
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2013-01-02 13:34:38 +00:00
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if (EXISTS /etc/os-release)
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# Read the file without CR character
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file(STRINGS /etc/os-release OS_RELEASE)
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if ("${OS_RELEASE}" MATCHES "^.*ID=fedora.*$")
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set(Fedora TRUE PARENT_SCOPE)
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endif()
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endif()
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endif(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
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2010-01-21 15:12:50 +00:00
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2013-01-02 13:34:38 +00:00
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# check if we are on MacOSX
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if(APPLE)
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set(MacOSX TRUE PARENT_SCOPE)
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endif(APPLE)
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# check if we are on Windows
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if(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
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set(Windows TRUE PARENT_SCOPE)
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endif(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
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endfunction(detectOperatingSystem)
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