1 files changed, 19 insertions, 0 deletions
diff --git a/ext/io/console/extconf.rb b/ext/io/console/extconf.rb
new file mode 100644
index 0000000000..ac861848fa
--- /dev/null
+++ b/ext/io/console/extconf.rb
@@ -0,0 +1,19 @@
+require 'mkmf'
+
+ok = true
+hdr = nil
+case
+when macro_defined?("_WIN32", "")
+  have_func("rb_w32_map_errno", "ruby.h")
+when hdr = %w"termios.h termio.h".find {|h| have_header(h)}
+  have_func("cfmakeraw", hdr)
+when have_header(hdr = "sgtty.h")
+  %w"stty gtty".each {|f| have_func(f, hdr)}
+else
+  ok = false
+end
+have_header("sys/ioctl.h")
+have_func("rb_io_get_write_io", "ruby/io.h")
+if ok
+  create_makefile("io/console")
+end