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@znz
Created December 17, 2012 04:01
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homebrew の imagemagick 6.8.0-10 と rmagick 2.13.1 の組み合わせでインストール出来ない
Installing rmagick (2.13.1) with native extensions
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

        /Users/kazu/.rbenv/versions/1.9.3-p327/bin/ruby extconf.rb
checking for Ruby version >= 1.8.5... yes
checking for gcc... 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.
% ls Cellar/imagemagick/6.8.0-10/lib
ImageMagick/               libMagickCore-Q16.7.dylib  libMagickWand-Q16.dylib@
libMagick++-Q16.7.dylib    libMagickCore-Q16.dylib@   libMagickWand-Q16.la*
libMagick++-Q16.dylib@     libMagickCore-Q16.la*      pkgconfig/
libMagick++-Q16.la*        libMagickWand-Q16.7.dylib
ls Cellar/imagemagick/6.7.7-6/lib
ImageMagick/           libMagickCore.dylib@   libMagickWand.5.dylib  libMagickWand.la*
libMagickCore.5.dylib  libMagickCore.la*      libMagickWand.dylib@   pkgconfig/
@Sixeight
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Sixeight commented Jan 8, 2013

以下のようにシンボリックリンクを作るとインストールできました。
もう解決されてたらスルーしてください。

$ cd /usr/local/Cellar/imagemagick/6.8.0-10/lib
$ ln -s libMagick++-Q16.7.dylib libMagick++.dylib
$ ln -s libMagickWand-Q16.7.dylib libMagickWand.dylib
$ ln -s libMagickCore-Q16.7.dylib libMagickCore.dylib

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