Backport racc-1.4.15 from upstream.

1 files changed, 13 insertions, 0 deletions

diff --git a/lib/racc/pre-setup b/lib/racc/pre-setup
new file mode 100644
index 0000000000..5027d865b7
--- /dev/null
+++ b/lib/racc/pre-setup
@@ -0,0 +1,13 @@
+def generate_parser_text_rb(target)
+  return if File.exist?(srcfile(target))
+  $stderr.puts "generating #{target}..."
+  File.open(target, 'w') {|f|
+    f.puts "module Racc"
+    f.puts "  PARSER_TEXT = <<'__end_of_file__'"
+    f.puts File.read(srcfile('parser.rb'))
+    f.puts "__end_of_file__"
+    f.puts "end"
+  }
+end
+
+generate_parser_text_rb 'parser-text.rb'