1 files changed, 11 insertions, 0 deletions
diff --git a/ext/tkutil/extconf.rb b/ext/tkutil/extconf.rb
new file mode 100644
index 0000000000..b61a7ac01c
--- /dev/null
+++ b/ext/tkutil/extconf.rb
@@ -0,0 +1,11 @@
+for dir in ENV['PATH'].split(':')
+  if File.exists? "#{dir}/wish"
+    $CFLAGS = $CFLAGS + " -DWISHPATH=" + "'\"#{dir}/wish\"'"
+    have_wish = TRUE
+    break
+  end
+end
+
+if have_wish and have_func('pipe')
+  create_makefile("tkutil")
+end