LemonBoy b72d55ea5f std: Make copy_file_range checks run at compile-time ...

* Avoid emitting the copy_file_range symbol at all to prevent link-time
  errors.
* Fix a bug in the check logic, the has_copy_file_range_syscall was
  set to the wrong value in case of ENOSYS
* If link_libc is true don't fall-back to the raw syscall approach,
  there's no policy about what to do in this case but let's follow what
  the other impls do.

Fixes #9146

2021-06-20 16:54:39 -07:00

238 KiB

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