Added the trunk/branches/tags directories at repository root, and moved previous root into trunk/

git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/trunk@1002 4e206d99-4929-0410-ac5d-dfc041789085

ruby/RubySFML/extconf-linux.rb

@@ -0,0 +1,26 @@
+require "mkmf"
+
+dir_config('SFML')
+
+libs = [
+	"GL",
+	"GLU",
+	"sfml-system",
+	"sfml-window",
+	"sfml-graphics",
+	"sfml-audio",
+]
+
+libs.each {|lib|
+	unless have_library(lib)
+		puts "Unable to find #{lib}.lib!"
+		puts "Please specify the path to them using:"
+		puts "--with-SFML-lib=lib_path"
+		puts "--with-SFML-include=include_path"
+		puts
+		exit
+	end
+}
+
+create_makefile("RubySFML")
+