ImageMagick package missing PNG?

[dfischer]

identify source/logo.png
identify: unable to load module /usr/local/Cellar/imagemagick/6.7.7-6/lib/ImageMagick/modules-Q16/coders/png.la': file not found @ error/module.c/OpenModule/1278. identify: no decode delegate for this image formatsource/logo.png' @ error/constitute.c/ReadImage/544.

identify -list format
https://gist.github.com/55e1814cb3a009affffe

No PNG in formats.

[dfischer]

I guess it depends upon XQuartz being installed. That's lame. #2415

[jacknagel]

It shouldn't. If XQuartz isn't installed, libpng should be installed as a dependency automatically.

[dfischer]

libpng is installed but it still doesn't compile with png support. I rather not install XQuartz. What can I do to help? :)

[jacknagel]

ping @MikeMcQuaid

[Sharpie]

Could be a bottle issue. Did you do brew install imagemagick or did you pass options or use --build-from-source?

[dfischer]

I tried brew install imagemagick shall I try --build-from-source ?

[Sharpie]

Try --build-from-source and let us know. We originally pulled the ImageMagick bottles because our binary distribution system wasn't robust enough to handle things that have dependency trees without the loader links breaking every time a dependency is upgraded.

I've been out of the loop for a couple of months, so some improvements on this front could have occurred that enabled the re-bottling of ImageMagick---but this looks like the same old issue.

[MikeMcQuaid]

https://github.com/mxcl/homebrew/wiki/Bug-Fixing-Checklist

Please gist your brew doctor output.

[MikeMcQuaid]

And brew --config please.

[dfischer]

brew doctor | jist
https://gist.github.com/0cc2fee43a98761b30cd

brew --config | jist
https://gist.github.com/e5c04b0d59b5609daca7

---

brew install imagemagick --build-from-source made it work. Thanks @Sharpie

[MikeMcQuaid]

Ok, this breaks if libpng is unlinked on 10.8 without XQuartz.

[MikeMcQuaid]

Not sure what to do about that other than a caveat or forceful linking (if you don't have XQuartz is should be linked).

[bronson]

I have xquartz installed and I still get this issue. Brew doctor says raring to brew.

$ convert tumblr.png +set date:create +set date:modify tumblr.out.png
convert: unable to load module `/usr/local/Cellar/imagemagick/6.7.7-6/lib/ImageMagick/modules-Q16/coders/png.la': file not found @ error/module.c/OpenModule/1278.
...
$ which xquartz
/opt/X11/bin/xquartz

--build-from-source worked for me too, yea @Sharpie.

[MikeMcQuaid]

@bronson Can you try and do brew uninstall imagemagick; brew install imagemagick;brew install libpng; brew link libpng and see if that works?

[dylanvee]

@MikeMcQuaid That solved the issue for me.

[MikeMcQuaid]

@jacknagel @Sharpie I guess I need to add some code to make the X11 dependencies get linked automatically when we've got no XQuartz?

[MikeMcQuaid]

And also this is probably borked if you have XQuartz.

[jacknagel]

I thought that was covered by keg_only :when_xquartz_installed? They should be getting linked otherwise.

[MikeMcQuaid]

Yep, should be. The problem is, I guess, if people already have it installed from before we added that and it isn't linked. Also wondering if this demonstrates that the optionally depend on XQuartz experiment doesn't really work as it isn't in the default library path lookup so won't work for bottles like this.

[jacknagel]

Before :when_xquartz_installed was added, the keg_only bits were still guarded with if MacOS::Xquartz.installed? which is functionally the same, so nothing should have changed. Besides, FormulaInstaller will error out if there are unlinked deps, so I suspect that it failed to link completely but left a LinkedKegs symlink or something. Wouldn't be the first time.

As far as XQuartz with bottles, it is problematic. A while ago I was thinking about a writing special formula that installs symlinks to stuff in /{usr,opt}/X11. But that is fragile.

[MikeMcQuaid]

Yeh, sounds like a bad link. Given the number of downloads this has compared to reports I think it must be a fairly niche issue.

With XQuartz I'm wondering if we just only depend on it for the stuff that actually needs X11 and not try and be clever and use it's libpng if it's around. Should be an easy fix.

[jacknagel]

Yeah, I don't really see any other way around the issue.

[jacknagel]

It will certainly make things less confusing.

[mxcl]

Close?

[MikeMcQuaid]

I'll close this when I push a commit to properly fix.

[MikeMcQuaid]

Should be fixed by e6647d3. Basically this will ignore XQuartz on Mountain Lion for stuff like :libpng.

[disbelief]

Just a note on this, I still had to include the --build-from-source flag when installing the imagemagick recipe to get it working.

I'm on 10.8 and have XQuartz installed. I tried installing homebrew's libpng recipe first, but it kegs when XQuartz is found.

[MikeMcQuaid]

Ah, ok, thanks.

[MikeMcQuaid]

Tried another fix in 8eb5a07. Can you test? Thanks!

[disbelief]

That seems to have done the trick! Thanks.

[ghost]

Thanks a lot for these hints.

I had issues with Paperclip (a Ruby Gem), and running identify spec/fixtures/image.png showed that it was identify's fault: identify: no decode delegate for this image formatspec/fixtures/image.png' @ error/constitute.c/ReadImage/550.`

Running identify -list format | grep png had no results, obviously libpng was missing. I installed it and reinstalled imagemagick as described above, but it still did not work.

brew doctor showed that the new imagemagick was still not linked, so I linked it with brew link --overwrite imagemagick. I found that I had wrong permissions on several directorys (owned by root instead of me), and after fixing that with sudo chown -R <me> <directory> everything worked fine.

Thank you!

[shedd]

I'm on Mac OS X Mavericks and hit this problem with PNG support not enabled.

I tried the suggestion to use the --build-from-source option, but kept getting a compilation failure.

Running brew install -v imagemagick --build-from-source showed me that it was lzma.h that was causing the issues.

  CC       coders/coders_map_la-map.lo
  CC       coders/coders_mask_la-mask.lo
  CC       coders/coders_mat_la-mat.lo
  CC       coders/coders_matte_la-matte.lo
  CC       coders/coders_meta_la-meta.lo
  CC       coders/coders_miff_la-miff.lo
  CC       coders/coders_mono_la-mono.lo
  CC       coders/coders_mpc_la-mpc.lo
  CC       coders/coders_mpeg_la-mpeg.lo
  CC       coders/coders_mpr_la-mpr.lo
coders/miff.c:81:10: fatal error: 'lzma.h' file not found
#include "lzma.h"
         ^
1 error generated.
make[2]: *** [coders/coders_miff_la-miff.lo] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [install-recursive] Error 1
make: *** [install] Error 2

I was tearing my hair out trying to solve this problem.

I re-installed libpng and for good measure built that from source, too.

brew uninstall libpng
brew install libpng --build-from-source

This didn't do anything.

I eventually stumbled upon a random thread (https://bugs.launchpad.net/kicad/+bug/1285317) which advised brew uninstall xz

Not having any other options, I tried this and it worked. I re-ran install with --build-from-source and it completed successfully.

Hope this helps spare someone else some time.

[unphased]

@shedd You saved my bacon! thanks

[createthis]

Strangely, none of the "easy" fixes here worked. Ultimately, I had to brew install imagemagick --build-from-source

I'm running Mavericks. Weird.