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-=begin
-= Native Client port of Ruby
-
-= How to build
-== Prerequisites
-You need to install the following things before building NaCl port of Ruby.
-* Ruby 1.9.3 or later
-* Python 2.6 or later
-* NativeClient SDK pepper 37 or later
-* GNU make
-
-== Steps
-(1) Extract all files from the tarball:
- $ tar xzf ruby-X.Y.Z.tar.gz
-(2) Set NACL_SDK_ROOT environment variable to the path to the Native Client SDK you installed:
- $ export NACL_SDK_ROOT=/home/yugui/src/nacl_sdk/pepper_37
-(3) Configure
- $ ./configure --prefix=/tmp/nacl-ruby --host=x86_64-nacl --with-baseruby=/path/to/ruby-1.9.3-or-later
-(4) Make
- $ make
- $ make package
-
-Now you have ruby.nexe. You can run it by sel_ldr in NaCl SDK.
-
-"make package" installs "pepper-ruby.nexe", an example Pepper application that
-embeds Ruby", and libraries to $prefix. You can run it by the following steps:
-(5) Publish the $prefix directory on a web server
-(6) Visit the example.html on the web server by a browser that implements Pepper 18 or later.
- -- e.g., Chrome 18 implements Pepper 18, Chrome 19 implements Pepper 19, ...
-
-=== Example Configurations
-* x86_32 Native Client
- $ ./configure --prefix=/tmp/nacl-ruby \
- --host=i686-nacl \
- --with-baseruby=/path/to/ruby-1.9.3-or-later
-* arm Native Client
- $ ./configure --prefix=/tmp/nacl-ruby \
- --host=arm-nacl \
- --with-newlib \
- --with-baseruby=/path/to/ruby-1.9.3-or-later
-* Portable Native Client
- $ ./configure --prefix=/tmp/nacl-ruby \
- --host=le32-nacl \
- --with-newlib \
- --with-static-linked-ext \
- --with-baseruby=/path/to/ruby-1.9.3-or-later
-
-= Copyright
-* Copyright 2012 Google Inc. All Rights Reserved.
-* Author: yugui@google.com (Yugui Sonoda)
-=end