2018-04-29

Cygwin: FAST_CWD problem

Cygwin is a useful set of tools which make working on Windows systems closer to working on a UNIX/Linux system. These tools used to be bundled with various other software which may run into problems if they do not update to newer versions. What normally is seen is that a person will try to compile a program and get:

find_fast_cwd: WARNING: Couldn't compute FAST_CWD pointer. Please report
this problem to the public mailing list cygwin@cygwin.com

If you are seeing this error, you have a very very old version of cygwin and should contact the software vendor who you got the software from. They need to rebase their version of Cygwin to a more current version in order to get both security updates and other fixes you need for Cygwin to work with the version of Windows you have.

This error has been showing up a lot on the Cygwin mailing lists from software associated with:
  • Some particular Eclipse plugin
  • Some circuit diagram software that wasn't named.
Please see the Cygwin FAQ entry for more information.
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