1 files changed, 14 insertions, 0 deletions
diff --git a/ext/dl/callback/extconf.rb b/ext/dl/callback/extconf.rb
new file mode 100644
index 0000000000..6c3387670d
--- /dev/null
+++ b/ext/dl/callback/extconf.rb
@@ -0,0 +1,14 @@
+require 'mkmf'
+
+if compiled?("dl")
+  callbacks = (0..8).map{|i| "callback-#{i}"}.unshift("callback")
+  callback_srcs = callbacks.map{|basename| "#{basename}.c"}
+  callback_objs = callbacks.map{|basename| "#{basename}.o"}
+
+  $distcleanfiles << '$(SRCS)'
+  $srcs = callback_srcs
+  $objs = callback_objs
+  $INCFLAGS << " -I$(srcdir)/.."
+
+  create_makefile("dl/callback")
+end