[cfe-commits] [PATCH] Makefile.rules: [PR13921] Use hard link to create clang++.exe for --host=mingw32.

[NAKAMURA Takumi]

On Posix host,

  - Hard links waste very little disk spaces.
  - tar(1) can mark 2nd linked file as "hard linked". It can be
extracted by Win32 tar.exe.

On Win32 host,

  - NTFS' Hard links behave like Posix, w/o any privileges.
  - ln(1) creates actual hard link, like Windows' mklink.exe /H.
  - tar(1) can extract hard links.
---
 llvm/Makefile.rules |   13 ++++++++++---
 1 files changed, 10 insertions(+), 3 deletions(-)
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