Makefile generator: fallback on 'cp' if 'ln' fails.
Makefile generator: fallback on 'cp' if 'ln' fails.

Useful when your build output is on a different file system.

http://code.google.com/p/chromium/issues/detail?id=14785
Patch from Adam Langley.
witwall/gyp,witwall/gyp,witwall/gyp,witwall/gyp,witwall/gyp