--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ruby/rbdc/extconf.rb	Thu Mar 19 22:26:28 2015 +0100
@@ -0,0 +1,59 @@
+#//////////////////////////////////////////////////////////////////////
+#
+# extconf.rb
+# Copyright (c) 2007-2014 Daniel Adler <dadler@uni-goettingen.de>, 
+#                         Tassilo Philipp <tphilipp@potion-studios.com>
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#
+# Configuration file for dyncall/ruby extension. This script creates
+# a makefile that can be used to compile the C-extension. It is
+# configured such that every .c file in this directory will be used
+# for compilation.
+#
+#///////////////////////////////////////////////////////////////////////
+
+require 'mkmf'
+
+dir_config 'rbdc'
+base_dir = '../../../dyncall/'
+
+$CFLAGS << ' -I../../../dyncall/dyncall '
+
+# Build dyncall libs.
+puts 'Building dyncall libraries:'
+Dir.chdir(base_dir) do
+	cmd = case
+		when RUBY_PLATFORM =~ /mswin/  then 'configure.bat && nmake /f Nmakefile'
+		else './configure && env CFLAGS="-fPIC" make'
+	end
+	puts cmd
+	raise "'#{cmd}' failed" unless system(cmd)
+end
+
+# Search for dyncall libs.
+puts 'Using the following dyncall libraries to build native ruby extension:'
+Dir[base_dir+'**/*'].each { |d|
+	if d =~ /(lib)?dyn(call(back)?|load)_s\./
+		$LOCAL_LIBS << '"'+d+'" '
+		puts d
+	end
+}
+
+if($LOCAL_LIBS.size > 0) then
+	# Write out a makefile for our dyncall extension.
+	create_makefile 'rbdc'
+else
+	puts "Couldn't find dyncall and dynload libraries - dyncall build seems to have failed!"
+end
+