message: Use a relative path for the install directive
diff: @@ -5,4 +5,4 @@ set_property(TARGET pthread_win32 APPEND PROPERTY COMPILE_DEFINITIONS PTW32_STAT
  target_include_directories(pthread_win32 INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})
  install(TARGETS pthread_win32 ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT devel)
  -install(DIRECTORY ${CMAKE_SOURCE_DIR} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} COMPONENT devel FILES_MATCHING PATTERN "*.h")
  +install(DIRECTORY ./ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} COMPONENT devel FILES_MATCHING PATTERN "*.h")
  