# Set Compiler flags
if (NOT WIN32)
  set (CMAKE_CXX_FLAGS "-fPIC ${USERDEFINED_CXX_FLAGS}")
  set (CMAKE_CXX_FLAGS_PROFILE "-O3 -g -DNDEBUG -fPIC ${USERDEFINED_CXX_FLAGS}")
  set (CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O3 -g -DNDEBUG -fPIC ${USERDEFINED_CXX_FLAGS}")
else (NOT WIN32)
  if (UNIX)
    #mingw, cygwin etc.
    message (FATAL_ERROR "Found unsupported operating system: Only Windows and Linux systems are supported!")  
  else (UNIX)
    #pure win32
    if (MSVC70 OR MSVC71)
      set (CMAKE_CXX_FLAGS "/D _WIN32 /D _WINSOCKAPI_ /Gy /GR /EHsc /W1 /nologo /c /TP /wd4005 /wd4103")
      set (CMAKE_CXX_FLAGS_RELWITHDEBINFO "")
      set (CMAKE_CXX_FLAGS_DEBUG "/Od /ZI /D DEBUG /MDd /Gm /RTC1 /RTCc")
      set (CMAKE_CXX_FLAGS_RELEASE "/Ob2 /Oi /Ot /D NDEBUG /GL /MD")
    elseif (MSVC90)
      set (CMAKE_CXX_FLAGS "/D _WIN32 /D _WINSOCKAPI_ /MP /Gy /EHsc /W1 /nologo /c /TP /wd4005 /wd4103")
      set (CMAKE_CXX_FLAGS_RELWITHDEBINFO "")
      set (CMAKE_CXX_FLAGS_DEBUG "/Od /ZI /D DEBUG /MDd /RTC1 /RTCc /fp:except")
      set (CMAKE_CXX_FLAGS_RELEASE "/Ob2 /Oi /Ot /D NDEBUG /GL /MD /fp:fast")
    else (MSVC70 OR MSVC71)
      set (CMAKE_CXX_FLAGS "/D _WIN32 /D _WINSOCKAPI_ /MP /Gy /EHsc /W1 /nologo /c /TP /wd4005 /wd4103")
      set (CMAKE_CXX_FLAGS_RELWITHDEBINFO "")
      set (CMAKE_CXX_FLAGS_DEBUG "/Od /ZI /D DEBUG /MDd /Gm /RTC1 /RTCc /fp:except")
      set (CMAKE_CXX_FLAGS_RELEASE "/Ob2 /Oi /Ot /D NDEBUG /GL /MD /fp:fast")
    endif (MSVC70 OR MSVC71)
  endif (UNIX)
endif (NOT WIN32)