Error installing rmagick: ERROR: Failed to build gem native extension

Question

I am trying to run one project on my local machine. I installed Ruby and Rails on my Mac OS system. It is working properly. I can create a new project and can run it properl

Answer 1

I have solved this problem by installing imagemagic:

sudo apt-get install imagemagick

and then install libmagick package:

sudo apt-get install libmagick++-dev

Answer 2

If you are using openSUSE, then first check if the ImageMagick installed or not. If it is installed, then do install it development header file.

[arup@sztukajedzenia]$ sudo zypper se imagemagic
root\'s password:

Loading repository data...
Reading installed packages...

S | Name              | Summary                                               | Type
--+-------------------+-------------------------------------------------------+-----------
i | ImageMagick       | Viewer and Converter for Images                       | package
  | ImageMagick       | Viewer and Converter for Images                       | srcpackage
  | ImageMagick-devel | Include Files and Libraries Mandatory for Development | package
  | ImageMagick-doc   | Document Files for ImageMagick Library                | package
  | ImageMagick-extra | Viewer and Converter for Images - extra codecs        | package
[arup@sztukajedzenia]$ sudo zypper in ImageMagick-devel
root\'s password:
Loading repository data...
Reading installed packages...
Resolving package dependencies...

The following 2 NEW packages are going to be installed:
  ImageMagick-devel libbz2-devel
  ........

Answer 3

first run this: sudo apt-get install imagemagick

then: sudo apt-get install libmagick++-dev

now install rmagick: gem install rmagick

Answer 4

May be you are installing ImageMagick version 7.x.x which will generate different folder names in your usr/lib/local/include/ImageMagick7.x.x folder. E.g.

In ImageMagick6.x.x version we have magick, wand named folders, where in ImageMagick7.x.x version have named this MagickCore , MagickWand . So this updation is causing the problem in some gem installation like here. Which is using magick/some_header.h or wand/some_header.h (Means they are not updated with the new 7.x.x ImageMagick version).That's why we are getting this error :

```

checking for outdated ImageMagick version (<= 6.4.9)... no
checking for presence of MagickWand API (ImageMagick version >= 6.9.0)... no
 .... 
checking for wand/MagickWand.h... no

```

and in log file something like this :

error: 'MagickCore/method-attribute.h' file not found
#include "MagickCore/method-attribute.h"
         ^

Solution

Install the ImageMagick6.x.x version in your system from the official site : https://www.imagemagick.org/download/ and install it using this commands(after extract zip/tar) :

./configure
make 
make install

Then do

gem install rmagick

It will work.

Answer 5

For Ubuntu, I used the ff. based on this link:

$ sudo apt-get install libmagick++-dev

Answer 6

On a mac (the below code works on OSX Mavericks):

brew install imagemagick
gem install rmagick