mruby.diff

diff --git a/build_config.rb b/build_config.rb
index 1429837..35df7d6 100644
--- a/build_config.rb
+++ b/build_config.rb
@@ -34,11 +34,20 @@ MRuby::Build.new do |conf|
   #   cc.compile_options = "%{flags} -MMD -o %{outfile} -c %{infile}"
   # end
 
+  conf.cc do |cc|
+    cc.flags = '-fPIC'
+  end
+
   # mrbc settings
   # conf.mrbc do |mrbc|
   #   mrbc.compile_options = "-g -B%{funcname} -o-" # The -g option is required for line numbers
   # end
 
+  conf.archiver do |archiver|
+    archiver.command = 'gcc'
+    archiver.archive_options = '-shared -o %{outfile} %{objs}'
+  end
+
   # Linker settings
   # conf.linker do |linker|
   #   linker.command = ENV['LD'] || 'gcc'
diff --git a/lib/mruby/build.rb b/lib/mruby/build.rb
index 57bd9c5..97a55d3 100644
--- a/lib/mruby/build.rb
+++ b/lib/mruby/build.rb
@@ -61,7 +61,7 @@ module MRuby
         if ENV['OS'] == 'Windows_NT'
           @exts = Exts.new('.o', '.exe', '.a')
         else
-          @exts = Exts.new('.o', '', '.a')
+          @exts = Exts.new('.o', '', '.so')
         end
 
         build_dir = build_dir || ENV['MRUBY_BUILD_DIR'] || "#{MRUBY_ROOT}/build"