Problem
- System: Mac OSX
Installing RMagick
gems for ruby, get error:
yukis$ gem install rmagick
/Users/yukis/.rvm/rubies/ruby-1.9.3-p362/lib/ruby/1.9.1/yaml.rb:56:in `<top (required)>':
It seems your ruby installation is missing psych (for YAML output).
To eliminate this warning, please install libyaml and reinstall your ruby.
Building native extensions. This could take a while...
ERROR: Error installing rmagick:
ERROR: Failed to build gem native extension.
/Users/yukis/.rvm/rubies/ruby-1.9.3-p362/bin/ruby extconf.rb
checking for /usr/local/Cellar/apple-gcc42/4.2.1-5666.3/bin/gcc-4.2... yes
checking for Magick-config... no
checking for pkg-config... yes
Package MagickCore was not found in the pkg-config search path.
Perhaps you should add the directory containing `MagickCore.pc'
to the PKG_CONFIG_PATH environment variable
No package 'MagickCore' found
checking for outdated ImageMagick version (<= 6.4.9)... *** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers. Check the mkmf.log file for more
details. You may need configuration options.
Provided configuration options:
--with-opt-dir
--with-opt-include
--without-opt-include=${opt-dir}/include
--with-opt-lib
--without-opt-lib=${opt-dir}/lib
--with-make-prog
--without-make-prog
--srcdir=.
--curdir
--ruby=/Users/yukis/.rvm/rubies/ruby-1.9.3-p362/bin/ruby
Gem files will remain installed in /Users/yukis/.rvm/gems/ruby-1.9.3-p362/gems/rmagick-2.15.4 for inspection.
Results logged to /Users/yukis/.rvm/gems/ruby-1.9.3-p362/gems/rmagick-2.15.4/ext/RMagick/gem_make.out
Solution
- check
pkg-config
(or reinstalling it) - run
C_INCLUDE_PATH=/usr/local/Cellar/imagemagick/6.9.2-6/include/ImageMagick-6 PKG_CONFIG_PATH=/usr/local/Cellar/imagemagick/6.9.2-6/lib/pkgconfig gem install rmagick