Installing GraphicsMagick on Mac OS X 10.8

Question

I am trying to install GraphicsMagick on Mountain Lion and having problems. I tried all the things that I could search for in blogs and other stackoverflow questions but nothing worked. So I have put the full stack of errors I get on each command. Please look and help me out.

When I run

brew install graphicsmagick

I get this

Warning: Could not link jpeg. 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 jpeg'

and

Warning: Could not link libpng. 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 libpng'

and in the last I am getting

==> make install
Warning: Could not link graphicsmagick. 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 graphicsmagick'

Possible conflicting files are:
==> Summary
🍺  /usr/local/Cellar/graphicsmagick/1.3.18: 283 files, 10M, built in 52 seconds

Now if I try to brew link jpeg or brew link libpng I get this error

Linking /usr/local/Cellar/jpeg/8d... Warning: Could not link jpeg. Unlinking...

Error: Could not symlink file: /usr/local/Cellar/jpeg/8d/bin/wrjpgcom
Target /usr/local/bin/wrjpgcom already exists. You may need to delete it.
To force the link and overwrite all other conflicting files, do:
  brew link --overwrite formula_name

To list all files that would be deleted:
  brew link --overwrite --dry-run formula_name

If I try the overwrite method by doing brew link --overwrite jpeg it worked. But 'brew link --overwrite libpng' I get this

Linking /usr/local/Cellar/libpng/1.5.14... Warning: Could not link libpng. Unlinking...

Error: Permission denied - /usr/local/share/man/man5/png.5

And after that when I try brew link graphicsmagick I get:

Linking /usr/local/Cellar/graphicsmagick/1.3.18... Warning: Could not link graphicsmagick. Unlinking...

Error: Could not symlink file: /usr/local/Cellar/graphicsmagick/1.3.18/share/man/man5/quantize.5
/usr/local/share/man/man5 is not writable. You should change its permissions.

Please help me. Thanks in advance.

Answer 1

Try removing everything and start again:

brew uninstall imagemagick graphicsmagick libpng jpeg
brew cleanup -s
brew install graphicsmagick

Solved me some issues recently