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dyld: Library not loaded: /usr/local/lib/libjpeg.8.dylib - homebrew php

Tags:

php

homebrew

PHP was not working for me as I was encountering this libpng issue, so I reinstalled a new version with Homebrew.

However, I'm getting a similar error with libjpeg this time:

$ php -v
dyld: Library not loaded: /usr/local/lib/libjpeg.8.dylib
  Referenced from: /usr/local/bin/php
  Reason: image not found
Trace/BPT trap: 5

Any suggestions?

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Snowcrash Avatar asked Sep 21 '15 19:09

Snowcrash


3 Answers

As proposed by @jirson-tavera in the homebrew-php repo issue, this can be fixed without overriding your brew installation:

wget -c http://www.ijg.org/files/jpegsrc.v8d.tar.gz
tar xzf jpegsrc.v8d.tar.gz
cd jpeg-8d
./configure
make
cp ./.libs/libjpeg.8.dylib /usr/local/opt/jpeg/lib
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Denis Pitzalis Avatar answered Nov 08 '22 23:11

Denis Pitzalis


Even though the solution in the accepted answer works, it's not the right way to fix the problem. It violates brew's metadata integrity.

Problem

The issue is that Homebrew's jpeg formula has been upgraded to v9 but the existing "bottled" PHP formula is still built and linked against the previous version, v8, which is no longer exists on your system.

You have a few options to fix the issue.

1. Recompile phpxx formula from source (highly recommended)

Uninstall your php formula, and rebuild it from the source instead of using the bottled version. This way, php will use and link against the currently installed version of jpeg. Assuming that you're dealing with php71:

brew reinstall php71 --build-from-source

2. Downgrade jpeg formula the right way (preferred over recompiling it manually)

If you haven't run brew cleanup, you already got the previous jpeg version in your brew's cellar, switch to it:

brew switch jpeg 8d

If you get a jpeg does not have a version "8d" in the Cellar. error, you need to first restore it by reverting the history:

cd $(brew --prefix)/Homebrew/Library/Taps/homebrew/homebrew-core
git checkout b231469
HOMEBREW_NO_AUTO_UPDATE=1 brew install jpeg
git checkout master

brew switch jpeg 8d

You can find out the commit hash by using brew log jpeg and going through the commit messages.

The downside is that there might be other formulas that require the newer version to work properly, e.g. imagemagick. If you face such incompatibility issues, check the first solution above.

3. Downgrade jpeg by manually recompiling (not recommended)

Fetch the source, compile and overwrite brew's version. Refer to Denis' answer for details.

This is not recommended because it violates the integrity of your brew metadata. Brew thinks that it has the 8b version, however, you manually compiled 9b and overwrote the files.

4. Manually symlink the old version (seriously?)

Do not manually symlink the leftover libjpeg.8.dylib. If the file is there, you can just brew switch to it as mentioned in the second solution above.

It's just the worst hack you can do here.


Such issues will be eventually fixed.

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sepehr Avatar answered Nov 09 '22 00:11

sepehr


I encountered the similar problem today. The cause of the problem was a newer version of libjpeg. And the solution that worked was building php bottle from source.

Check available version of libjpeg:

$brew info libjpeg
jpeg: stable 9b (bottled)
Image manipulation library
http://www.ijg.org
/usr/local/Cellar/jpeg/9b (20 files, 724KB) *
  Poured from bottle on 2017-08-07 at 12:06:42
From: https://github.com/Homebrew/homebrew-core/blob/master/Formula/jpeg.rb

Install php from source:

brew install --build-from-source php56

Update:
If you have already installed php you have to uninstall it prior to building from source. It also applies to extensions.

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Paweł Wacławczyk Avatar answered Nov 08 '22 23:11

Paweł Wacławczyk