ceph/src/jaegertracing/opentelemetry-cpp/tools/vcpkg/scripts/cmake/vcpkg_buildpath_length_warning.cmake

   1 #[===[.md:
   2 # vcpkg_buildpath_length_warning
   3
   4 Warns the user if their vcpkg installation path might be too long for the package they're installing.
   5
   6 ```cmake
   7 vcpkg_buildpath_length_warning(<N>)
   8 ```
   9
  10 `vcpkg_buildpath_length_warning` warns the user if the number of bytes in the
  11 path to `buildtrees` is bigger than `N`. Note that this is simply a warning,
  12 and isn't relied on for correctness.
  13 #]===]
  14
  15 function(vcpkg_buildpath_length_warning warning_length)
  16     string(LENGTH "${CURRENT_BUILDTREES_DIR}" buildtrees_path_length)
  17     if(buildtrees_path_length GREATER warning_length AND CMAKE_HOST_WIN32)
  18             message(WARNING "${PORT}'s buildsystem uses very long paths and may fail on your system.\n"
  19                 "We recommend moving vcpkg to a short path such as 'C:\\src\\vcpkg' or using the subst command."
  20             )
  21     endif()
  22 endfunction()