4 files changed, 66 insertions, 0 deletions
diff --git a/include/ruby/backward/rubyio.h b/include/ruby/backward/rubyio.h
new file mode 100644
index 0000000000..d5246db546
--- /dev/null
+++ b/include/ruby/backward/rubyio.h
@@ -0,0 +1,6 @@
+#if   defined __GNUC__
+#warning use "ruby/io.h" instead of "rubyio.h"
+#elif defined _MSC_VER || defined __BORLANDC__
+#pragma message("warning: use \"ruby/io.h\" instead of \"rubyio.h\"")
+#endif
+#include "ruby/io.h"
diff --git a/include/ruby/backward/rubysig.h b/include/ruby/backward/rubysig.h
new file mode 100644
index 0000000000..3952f7e85e
--- /dev/null
+++ b/include/ruby/backward/rubysig.h
@@ -0,0 +1,48 @@
+/**********************************************************************
+
+  rubysig.h -
+
+  $Author$
+  $Date$
+  created at: Wed Aug 16 01:15:38 JST 1995
+
+  Copyright (C) 1993-2008 Yukihiro Matsumoto
+
+**********************************************************************/
+
+#if   defined __GNUC__
+#warning rubysig.h is obsolete
+#elif defined _MSC_VER || defined __BORLANDC__
+#pragma message("warning: rubysig.h is obsolete")
+#endif
+
+#ifndef RUBYSIG_H
+#define RUBYSIG_H
+#include "ruby/ruby.h"
+
+#if defined(__cplusplus)
+extern "C" {
+#if 0
+} /* satisfy cc-mode */
+#endif
+#endif
+
+struct rb_blocking_region_buffer;
+DEPRECATED(RUBY_EXTERN struct rb_blocking_region_buffer *rb_thread_blocking_region_begin(void));
+DEPRECATED(RUBY_EXTERN void rb_thread_blocking_region_end(struct rb_blocking_region_buffer *));
+#define TRAP_BEG do {struct rb_blocking_region_buffer *__region = rb_thread_blocking_region_begin();
+#define TRAP_END rb_thread_blocking_region_end(__region);} while (0)
+#define RUBY_CRITICAL(statements) do {statements;} while (0)
+#define DEFER_INTS (0)
+#define ENABLE_INTS (1)
+#define ALLOW_INTS do {CHECK_INTS;} while (0)
+#define CHECK_INTS rb_thread_check_ints()
+
+#if defined(__cplusplus)
+#if 0
+{ /* satisfy cc-mode */
+#endif
+}  /* extern "C" { */
+#endif
+
+#endif
diff --git a/include/ruby/backward/st.h b/include/ruby/backward/st.h
new file mode 100644
index 0000000000..514128e616
--- /dev/null
+++ b/include/ruby/backward/st.h
@@ -0,0 +1,6 @@
+#if   defined __GNUC__
+#warning use "ruby/st.h" instead of bare "st.h"
+#elif defined _MSC_VER || defined __BORLANDC__
+#pragma message("warning: use \"ruby/st.h\" instead of bare \"st.h\"")
+#endif
+#include "ruby/st.h"
diff --git a/include/ruby/backward/util.h b/include/ruby/backward/util.h
new file mode 100644
index 0000000000..6b47940ddc
--- /dev/null
+++ b/include/ruby/backward/util.h
@@ -0,0 +1,6 @@
+#if   defined __GNUC__
+#warning use "ruby/util.h" instead of bare "util.h"
+#elif defined _MSC_VER || defined __BORLANDC__
+#pragma message("warning: use \"ruby/util.h\" instead of bare \"util.h\"")
+#endif
+#include "ruby/util.h"