README.textile in rmagick-2.16.0 vs README.textile in rmagick-3.0.0
- old
+ new
@@ -22,22 +22,28 @@
RMagick is an interface between the Ruby programming language and the
ImageMagick image processing library.
h2(#prereq). Prerequisites
+These prerequisites are required for the latest DEVELOPMENT version of RMagick. To see prerequisites for the latest RELEASED version of the gem, switch to the master branch.
+
*O/S* Linux, *BSD, OS X, Windows 2000, XP, Vista, other *nix-like systems.
-*Ruby* Version 1.8.5 or later. You can get Ruby from "www.ruby-lang.org":http://www.ruby-lang.org.
+*Ruby* 2.3 or later. You can get Ruby from "www.ruby-lang.org":http://www.ruby-lang.org.
Ruby must be able to build C-Extensions (e.g. MRI, Rubinius, not JRuby)
-*ImageMagick* Version 6.4.9 or later. You can get ImageMagick from "www.imagemagick.org":http://www.imagemagick.org.
+*ImageMagick* Version 6.4.9 or later (6.x.x). Version 7 is NOT yet supported; ETA April 2019 ( https://github.com/rmagick/rmagick/pull/299 ). You can get ImageMagick from "www.imagemagick.org":http://www.imagemagick.org.
On Ubuntu, you can run:
bc. sudo apt-get install libmagickwand-dev
+On Centos, you can run:
+
+bc. sudo yum install gcc ImageMagick-devel make which
+
*Note to Windows users:* Please make sure that you choose an ImageMagick version that matches the bitness of your Ruby version.
h2(#install). Installing RMagick
h4. Installing via Bundler
@@ -66,10 +72,12 @@
Require RMagick in your project as follows:
bc. require 'rmagick'
+See https://rmagick.github.io/usage.html for links to more information.
+
h2(#wrong). Things that can go wrong
The "RMagick installation FAQ":https://web.archive.org/web/20140512193354/http://rmagick.rubyforge.org/install-faq.html
has answers to the most commonly reported problems, though may be out of date.
@@ -176,10 +184,10 @@
h4. 3) install ImageMagick and additional environment stuff
<pre>
cd /vagrant/rmagick
-export IMAGEMAGICK_VERSION=6.6.9-10 # the only known passing version as of this writing
+export IMAGEMAGICK_VERSION=6.8.9-10
sh ./before_install_linux.sh
</pre>
This will take just a few minutes to build ImageMagick