1 files changed, 72 insertions, 18 deletions
diff --git a/version.h b/version.h
index c0b484a8f8..b7ac766eb0 100644
--- a/version.h
+++ b/version.h
@@ -1,19 +1,73 @@
-#define RUBY_VERSION "1.8.5"
-#define RUBY_RELEASE_DATE "2008-06-20"
-#define RUBY_VERSION_CODE 185
-#define RUBY_RELEASE_CODE 20080620
-#define RUBY_PATCHLEVEL 231
-
-#define RUBY_VERSION_MAJOR 1
-#define RUBY_VERSION_MINOR 8
-#define RUBY_VERSION_TEENY 5
-#define RUBY_RELEASE_YEAR 2008
-#define RUBY_RELEASE_MONTH 6
-#define RUBY_RELEASE_DAY 20
-
-#ifdef RUBY_EXTERN
-RUBY_EXTERN const char ruby_version[];
-RUBY_EXTERN const char ruby_release_date[];
-RUBY_EXTERN const char ruby_platform[];
-RUBY_EXTERN const int ruby_patchlevel;
+#define RUBY_VERSION "2.5.9"
+#define RUBY_RELEASE_DATE "2021-04-05"
+#define RUBY_PATCHLEVEL 229
+
+#define RUBY_RELEASE_YEAR 2021
+#define RUBY_RELEASE_MONTH 4
+#define RUBY_RELEASE_DAY 5
+
+#include "ruby/version.h"
+
+#ifndef TOKEN_PASTE
+#define TOKEN_PASTE(x,y) x##y
+#endif
+#define ONLY_ONE_DIGIT(x) TOKEN_PASTE(10,x) < 1000
+#define WITH_ZERO_PADDING(x) TOKEN_PASTE(0,x)
+#define RUBY_BIRTH_YEAR_STR STRINGIZE(RUBY_BIRTH_YEAR)
+#define RUBY_RELEASE_YEAR_STR STRINGIZE(RUBY_RELEASE_YEAR)
+#if ONLY_ONE_DIGIT(RUBY_RELEASE_MONTH)
+#define RUBY_RELEASE_MONTH_STR STRINGIZE(WITH_ZERO_PADDING(RUBY_RELEASE_MONTH))
+#else
+#define RUBY_RELEASE_MONTH_STR STRINGIZE(RUBY_RELEASE_MONTH)
 #endif
+#if ONLY_ONE_DIGIT(RUBY_RELEASE_DAY)
+#define RUBY_RELEASE_DAY_STR STRINGIZE(WITH_ZERO_PADDING(RUBY_RELEASE_DAY))
+#else
+#define RUBY_RELEASE_DAY_STR STRINGIZE(RUBY_RELEASE_DAY)
+#endif
+
+#if !defined RUBY_LIB_VERSION && defined RUBY_LIB_VERSION_STYLE
+# if RUBY_LIB_VERSION_STYLE == 3
+#   define RUBY_LIB_VERSION STRINGIZE(RUBY_API_VERSION_MAJOR)"."STRINGIZE(RUBY_API_VERSION_MINOR)"."STRINGIZE(RUBY_API_VERSION_TEENY)
+# elif RUBY_LIB_VERSION_STYLE == 2
+#   define RUBY_LIB_VERSION STRINGIZE(RUBY_API_VERSION_MAJOR)"."STRINGIZE(RUBY_API_VERSION_MINOR)
+# endif
+#endif
+
+#if RUBY_PATCHLEVEL == -1
+#define RUBY_PATCHLEVEL_STR "dev"
+#else
+#define RUBY_PATCHLEVEL_STR "p"STRINGIZE(RUBY_PATCHLEVEL)
+#endif
+
+#ifndef RUBY_REVISION
+# include "revision.h"
+#endif
+#ifndef RUBY_REVISION
+# define RUBY_REVISION 0
+#endif
+
+#if RUBY_REVISION
+# if RUBY_PATCHLEVEL == -1
+#  ifndef RUBY_BRANCH_NAME
+#   define RUBY_BRANCH_NAME "trunk"
+#  endif
+#  define RUBY_REVISION_STR " "RUBY_BRANCH_NAME" "STRINGIZE(RUBY_REVISION)
+# else
+#  define RUBY_REVISION_STR " revision "STRINGIZE(RUBY_REVISION)
+# endif
+#else
+# define RUBY_REVISION_STR ""
+#endif
+
+# define RUBY_DESCRIPTION	    \
+    "ruby "RUBY_VERSION		    \
+    RUBY_PATCHLEVEL_STR		    \
+    " ("RUBY_RELEASE_DATE	    \
+    RUBY_REVISION_STR") "	    \
+    "["RUBY_PLATFORM"]"
+# define RUBY_COPYRIGHT		    \
+    "ruby - Copyright (C) "	    \
+    RUBY_BIRTH_YEAR_STR"-"   \
+    RUBY_RELEASE_YEAR_STR" " \
+    RUBY_AUTHOR