From cb1a07a93c26deaf01483bde5a85b27689b59630 Mon Sep 17 00:00:00 2001
From: Christoph Helma <helma@in-silico.ch>
Date: Mon, 20 Aug 2012 10:54:32 +0200
Subject: OpenBabel compiled if OpenBabel is not installed

---
 .gitignore               |   4 ++++
 Rakefile                 |   1 +
 ext/openbabel/extconf.rb |  23 +++++++++++++++++------
 openbabel-0.0.1.gem      | Bin 3584 -> 0 bytes
 openbabel-2.3.1.gem      | Bin 4096 -> 0 bytes
 openbabel.gemspec        |   4 ++--
 6 files changed, 24 insertions(+), 8 deletions(-)
 create mode 100644 .gitignore
 delete mode 100644 openbabel-0.0.1.gem
 delete mode 100644 openbabel-2.3.1.gem

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4040c6c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+*.gem
+.bundle
+Gemfile.lock
+pkg/*
diff --git a/Rakefile b/Rakefile
index debc11c..0f55802 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,3 +1,4 @@
+require "bundler/gem_tasks"
 require 'rake/testtask'
 
 Rake::TestTask.new do |t|
diff --git a/ext/openbabel/extconf.rb b/ext/openbabel/extconf.rb
index 4b6189c..2eecab8 100644
--- a/ext/openbabel/extconf.rb
+++ b/ext/openbabel/extconf.rb
@@ -4,22 +4,33 @@ require 'tmpdir'
 ob_num_ver="2.3.1"
 ob_ver="openbabel-"+ob_num_ver
 
-main_dir = Dir.mktmpdir
-ob_main_dir=main_dir+"/"+ob_ver
-ob_bindings_dir=ob_main_dir+"/scripts/ruby"
+main_dir = File.expand_path(File.join(File.dirname(__FILE__),"..","..","src"))
+lib_dir = File.expand_path(File.join(File.dirname(__FILE__),"..","..","src"))
+Dir.mkdir main_dir
+ob_main_dir = File.join(main_dir,ob_ver)
+ob_bindings_dir = File.join(ob_main_dir,"scripts","ruby")
 
 begin
   Dir.chdir main_dir do
     FileUtils.rm_rf ob_main_dir
-    `curl -L -d use_mirror=netcologne "http://downloads.sourceforge.net/project/openbabel/openbabel/#{ob_num_ver}/openbabel-#{ob_num_ver}.tar.gz" | tar xz`
+    puts "Downloading OpenBabel sources"
+    puts `curl -L -d use_mirror=netcologne "http://downloads.sourceforge.net/project/openbabel/openbabel/#{ob_num_ver}/openbabel-#{ob_num_ver}.tar.gz" | tar xz`
   end
   Dir.chdir ob_main_dir do
-    `cmake #{ob_main_dir}`
+    puts "Configuring OpenBabel"
+    puts `cmake #{ob_main_dir} -DCMAKE_INSTALL_PREFIX=#{lib_dir}`
+    unless File.exists?(`which obabel`.chomp)
+      puts "OpenBabel not installed. Compiling sources."
+      puts `make`
+      puts `make install`
+    end
   end
   Dir.chdir ob_bindings_dir do
+    puts "Compiling and instaling OpenBabel Ruby bindings."
     `sed -i 's/Init_OpenBabel/Init_openbabel/g' *cpp`
     require './extconf.rb'
-    `make`
+    `sed -i 's/-flat_namespace//' Makefile`
+    puts `make`
   end
   FileUtils.cp(ob_bindings_dir+"/openbabel.so", "./")
 ensure
diff --git a/openbabel-0.0.1.gem b/openbabel-0.0.1.gem
deleted file mode 100644
index a9098c9..0000000
Binary files a/openbabel-0.0.1.gem and /dev/null differ
diff --git a/openbabel-2.3.1.gem b/openbabel-2.3.1.gem
deleted file mode 100644
index 706f164..0000000
Binary files a/openbabel-2.3.1.gem and /dev/null differ
diff --git a/openbabel.gemspec b/openbabel.gemspec
index 9409965..709e16a 100644
--- a/openbabel.gemspec
+++ b/openbabel.gemspec
@@ -1,8 +1,8 @@
 Gem::Specification.new do |s|
   s.name               = "openbabel"
-  s.version            = "2.3.1"
+  s.version            = "2.3.1.3"
 
-  s.authors = ["Andreas Maunz"]
+  s.authors = ["Andreas Maunz, Christoph Helma"]
   s.date = %q{2012-04-03}
   s.description = %q{OpenBabel as a GEM}
   s.email = %q{andreas@maunz.de}
-- 
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