diff --git a/lib/rb/ext/extconf.rb b/lib/rb/ext/extconf.rb
new file mode 100644
index 0000000..54ad5ed
--- /dev/null
+++ b/lib/rb/ext/extconf.rb
@@ -0,0 +1,7 @@
+require 'mkmf'
+
+$CFLAGS = "-g -O2 -Wall -Werror"
+
+have_func("strlcpy", "string.h")
+
+create_makefile 'binaryprotocolaccelerated'