1 files changed, 15 insertions, 0 deletions
diff --git a/ext/dl/callback/extconf.rb b/ext/dl/callback/extconf.rb
new file mode 100644
index 000000000..46aba2839
--- /dev/null
+++ b/ext/dl/callback/extconf.rb
@@ -0,0 +1,15 @@
+require 'mkmf'
+
+if compiled?("dl")
+  CALLBACKS = (0..8).map{|i| "callback-#{i}"}
+  CALLBACK_SRCS = CALLBACKS.map{|basename| "#{basename}.c"}
+  CALLBACK_OBJS = CALLBACKS.map{|basename| "#{basename}.o"}
+
+  $distcleanfiles += [ "callback.h", *CALLBACK_SRCS ]
+
+  $objs = %w[ callback.o ] + CALLBACK_OBJS
+
+  $INCFLAGS << " -I$(srcdir)/.."
+
+  create_makefile("dl/callback")
+end