cmake can't run script from pseudo file
```
$ cmake --version
cmake version 3.24.2
CMake suite maintained and supported by Kitware (kitware.com/cmake).
$ cat tmp
message("foo")
$ cmake -P tmp
foo
$ cmake -P <(echo 'messaage("foo")')
CMake Error in /dev/fd/63:
Error while reading Byte-Order-Mark. File not seekable?
CMake Error: Error processing file: /dev/fd/63
```
issue