first commit

2 files changed, 35 insertions, 0 deletions

diff --git a/ext/openbabel/Makefile b/ext/openbabel/Makefile
new file mode 100644
index 0000000..581ad59
--- /dev/null
+++ b/ext/openbabel/Makefile
@@ -0,0 +1,8 @@
+.PHONY: openbabel.so
+openbabel.so:
+	chmod 755 openbabel.so
+
+.PHONY: install
+install:
+	mkdir -p ../../lib/openbabel
+	mv openbabel.so ../../lib/openbabel
diff --git a/ext/openbabel/extconf.rb b/ext/openbabel/extconf.rb
new file mode 100644
index 0000000..4b6189c
--- /dev/null
+++ b/ext/openbabel/extconf.rb
@@ -0,0 +1,27 @@
+require 'fileutils'
+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"
+
+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`
+  end
+  Dir.chdir ob_main_dir do
+    `cmake #{ob_main_dir}`
+  end
+  Dir.chdir ob_bindings_dir do
+    `sed -i 's/Init_OpenBabel/Init_openbabel/g' *cpp`
+    require './extconf.rb'
+    `make`
+  end
+  FileUtils.cp(ob_bindings_dir+"/openbabel.so", "./")
+ensure
+  FileUtils.remove_entry_secure main_dir
+end