1 files changed, 18 insertions, 0 deletions
diff --git a/ext/ripper/extconf.rb b/ext/ripper/extconf.rb
new file mode 100644
index 0000000000..c3c56c27c5
--- /dev/null
+++ b/ext/ripper/extconf.rb
@@ -0,0 +1,18 @@
+#!ruby -s
+# frozen_string_literal: true
+
+require 'mkmf'
+require 'rbconfig'
+
+def main
+  $objs = %w(eventids1.o eventids2.o ripper.o ripper_init.o)
+  $distcleanfiles.concat %w(ripper.y ripper.c eventids1.c eventids1.h eventids2table.c ripper_init.c)
+  $cleanfiles.concat %w(ripper.E ripper.output y.output .eventids2-check)
+  $defs << '-DRIPPER'
+  $defs << '-DRIPPER_DEBUG' if $debug
+  $VPATH << '$(topdir)' << '$(top_srcdir)'
+  $INCFLAGS << ' -I$(topdir) -I$(top_srcdir)'
+  create_makefile 'ripper'
+end
+
+main