How do I fix 'brew install pkg-config'?

Question

Warning: Could not link pkg-config. Unlinking... Error: The `brew link` step did not complete successfully The formula built, but is not symlinked into /usr/local You can try again using `brew link pkg-config`‏‏‏‏‏‏ 

Answer 1

1. brew reinstall pkg-config
2. rm -R offending-directory
3. repeat step 1

Answer 2

As Michael Pigg said above, in my case it was the folder permission issue. I had to do the following:

sudo chmod 777 /usr/local/bin sudo chmod 777 /usr/local/share/man/man1 brew link pkg-config 

And after I'm done:

sudo chmod 755 /usr/local/bin sudo chmod 755 /usr/local/share/man/man1 

to restore the original permissions.