compare linux distributions 'lsb_release' in find script

issue #220

modules/Findscript.cmake.in

@@ -101,6 +101,21 @@ else()
     message(STATUS "@CMAKE_PROJECT_NAME@: ${findFile}.")
     message(AUTHOR_WARNING "Find scripts don't match. You may want to update the local with the @CMAKE_PROJECT_NAME@ version.")
   endif()
+  execute_process(COMMAND lsb_release --description
+    OUTPUT_VARIABLE lsbDesc # LSB (Linux Standard Base)
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+    ERROR_VARIABLE lsbErr
+    )
+  if(NOT lsbErr)
+    set(infoFile ${@CMAKE_PROJECT_NAME@_DIR}/@CMAKE_PROJECT_NAME@_${@CMAKE_PROJECT_NAME@_SIG}.txt)
+    set(lsbString "^lsb_release Description:[ \t]+(.*)")
+    file(STRINGS ${infoFile} LSB REGEX "${lsbString}")
+    string(REGEX REPLACE "${lsbString}" "\\1" xpLSB ${LSB})
+    string(REGEX REPLACE "Description:[ \t]+(.*)" "\\1" thisLSB ${lsbDesc})
+    if(NOT xpLSB STREQUAL thisLSB)
+      message(AUTHOR_WARNING "@CMAKE_PROJECT_NAME@ ${xpLSB} build\n${PROJECT_NAME} ${thisLSB} build")
+    endif()
+  endif()
   message(STATUS "Found @CMAKE_PROJECT_NAME@: ${@CMAKE_PROJECT_NAME@_DIR}")
   list(APPEND XP_MODULE_PATH ${moduleDir})
   link_directories(${@CMAKE_PROJECT_NAME@_DIR}/lib)