以下のエラースタックを参照してください。homebrew、'gem pristine rmagick'を介してimagemagickのアンインストール/インストールを試み、rmagickを再インストールしました。すべてが同じエラーを返しました。どんな助けでも非常にありがたいです-しばらくの間これにありました。
$ gem install rmagick
Building native extensions. This could take a while...
ERROR: Error installing rmagick:
ERROR: Failed to build gem native extension.
/Users/LU/.rvm/rubies/ruby-1.9.3-p362/bin/ruby extconf.rb
checking for Ruby version >= 1.8.5... yes
extconf.rb:128: Use RbConfig instead of obsolete and deprecated Config.
checking for /usr/local/bin/gcc-4.2... yes
checking for Magick-config... yes
checking for ImageMagick version >= 6.4.9... yes
checking for HDRI disabled version of ImageMagick... yes
checking for stdint.h... yes
checking for sys/types.h... yes
checking for wand/MagickWand.h... yes
checking for InitializeMagick() in -lMagickCore... no
checking for InitializeMagick() in -lMagick... no
checking for InitializeMagick() in -lMagick++... no
Can't install RMagick 2.13.1. Can't find the ImageMagick library or one of the dependent libraries. Check the mkmf.log file for more detailed information.
*** 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/Lungs/.rvm/rubies/ruby-1.9.3-p362/bin/ruby
--with-MagickCorelib
--without-MagickCorelib
--with-Magicklib
--without-Magicklib
--with-Magick++lib
--without-Magick++lib
Gem files will remain installed in /Users/Lungs/.rvm/gems/ruby-1.9.3-p362/gems/rmagick-2.13.1 for inspection.
Results logged to /Users/LU/.rvm/gems/ruby-1.9.3-p362/gems/rmagick-2.13.1/ext/RMagick/gem_make.out