```cmake
# Copyright (c) 2018, Ruslan Baratov
# All rights reserved.

if(DEFINED POLLY_FLAGS_VS_NONPERMISSIVE_CMAKE_)
  return()
else()
  set(POLLY_FLAGS_VS_NONPERMISSIVE_CMAKE_ 1)
endif()

include(polly_add_cache_flag)

polly_add_cache_flag(CMAKE_CXX_FLAGS_INIT "/permissive-")

# There is no macro to detect this flags on toolchain calculation so we must
# mark this toolchain explicitly.
list(APPEND HUNTER_TOOLCHAIN_UNDETECTABLE_ID "/permissive-")```

Fix "No newline at end of file" warning
user
```cmake
# Copyright (c) 2018, Ruslan Baratov
# All rights reserved.

if(DEFINED POLLY_FLAGS_VS_NONPERMISSIVE_CMAKE_)
  return()
else()
  set(POLLY_FLAGS_VS_NONPERMISSIVE_CMAKE_ 1)
endif()

include(polly_add_cache_flag)

polly_add_cache_flag(CMAKE_CXX_FLAGS_INIT "/permissive-")

# There is no macro to detect this flags on toolchain calculation so we must
# mark this toolchain explicitly.
list(APPEND HUNTER_TOOLCHAIN_UNDETECTABLE_ID "/permissive-")
```
assistant